18 results about "Acute angle" patented technology

A power unit for a vehicle with an internal combustion engine including a cylinder block and a crankshaft. A speed change drive shaft is disposed at a position on the upper side of a static oil hydraulic type non-stage transmission and in parallel to the axis of the transmission. A plane connecting the axis of the speed change drive shaft and the axis of the transmission does not intersect with the axis of the crankshaft, and intersects with the axis of the cylinder center axis of the cylinder block at a position on the lower side of the axis of the crankshaft while making an acute angle with the axis of the cylinder center axis of the cylinder block.

The invention provides a cylindrical casting piece pouring system preventing cracks and a design method thereof. The system includes a vertical cylinder, a gap runner and a casting piece body; the vertical cylinder is communicated with the rear end of the gap runner, and the front end of the gap runner is communicated with the casting piece body; an included angle of the upper side face of the gap runner with the vertical cylinder is an acute angle; the front end of the gap runner is provided with a repairing patch, and a feeding channel is formed. The gap runner includes a plurality of gap runner sections, and the vertical cylinder is communicated with a mold body through the plurality of the gap runner sections. The acute angle is formed between the gap runner and the vertical cylinder in a connection manner, so that directional stress concentration is caused, and the cracks are guided to be generated between the gap runner and the vertical cylinder, so as to release the casting piece stress and prevent the cracks from being generated in the casting piece body; the front end of the gap runner is provided with the repairing patch, the feeding channel is formed, a hot section moves outward, at the same time, a rounded transition formed by the repairing patch prevents stress concentration, and the cracks are guided indirectly to be generated in a specified part.

A necktie knot support assembly that supports a pre-tied knotted necktie which, when worn, advantageously provides a knot that is maintained away from the wearer's neck, so as to aesthetically resemble a non pre-tied necktie. The assembly includes a main body member that is shaped to determine the formation of the knot of the necktie, and a spring clamp that is adapted to inter-engage the main body member. The main body member has a central wall and a post that rearwardly extends outwards from the wall at an acute angle therefrom. The main body member is shaped to integrally include left and right wings that extend outward from the central wall and that preferably have respective top surfaces that extend outwardly in a substantially horizontal plane relative to the central wall. The main body member further preferably includes an integrally connected forwardly projecting nose portion. In addition, instead of including a post that extends away from the rear of the body member, the body member may include, integral therewith, a rear support member that abridges across the rear surface of the wall. The rear support member may extend from the central wall at an acute angle therefrom and includes a notch that is adapted to receive a portion of the necktie so that the necktie is retained on the assembly. A rectangular-shaped slot may be formed between the rear support member and the rear surface of the wall so that the assembly can be mounted on a jig via the slot, thus facilitating the tying of a necktie on the assembly.

The invention discloses a ballast removing screwdriver for a wheel, which is used for removing the stone ballast in a tread. The ballast removing screwdriver for the wheel consists of a hook, a tip and a handle, wherein a screw hole is formed at each of the two ends of the handle; and bolts for connecting the hook and the tip are arranged in the screw holes. The hook is U-shaped on the whole, the two ends of which are provided with a cone and the bolt respectively. The tip is bent on the whole, the two ends of which are provided with an acute angle and the bolt. The bolts are provided with matched nuts. After the bolts on the hook and the tip are connected with the screw holes of the handle, the nuts are used for tightening the bolts.

The invention discloses a three-dimensional rotation type body builder suitable for an azimuth control mechanism of a folding vehicle. The three-dimensional rotation type body builder is connected between the azimuth control mechanism, a pedal plate and a front wheel of the vehicle. A front folding rod, a rear folding rod, an elastic buckle and a connecting hole formed in the front wheel are included, and the elastic buckle is installed in the azimuth control mechanism. Due to the fact that a rear wheel frame is obliquely connected to the pedal plate downwards at an acute angle relative to the advancing direction of a vehicle body and a rear wheel assembly is a universal wheel, pressure generated by the human body on the vehicle body has component force in the advancing direction of the vehicle body, in cooperation of twisting of the human body, the component force of the pressure in the advancing direction of the vehicle body is larger than friction force of the ground on wheel bodies, the vehicle body advances, and the body building purpose is achieved. The three-dimensional rotation type body builder is flexible in operation, good in safety performance and capable of being used on elegant occasions such as indoor space.

The invention discloses a liquid crystal display filming device and a method for filming with the same. The filming device comprises a base table, a carrying platform, an XYZR precise moving platform and a film attachment device, wherein the XYZR precise moving platform is arranged on the base table; the carrying platform is arranged on the XYZR precise moving platform; supporting rods are arranged on the carrying platform; the film attachment device is arranged on the supporting rods and comprises a hollow lifting bracket and a film attachment rack which is arranged on the lifting bracket; one end of the film attachment rack is horizontal and is fixedly arranged on the lifting bracket, and the other end of the film attachment device is bent upwards to form an acute angle with the horizontal end. The liquid crystal display filming device has a simple structure and is easy to assemble and manufacture; when the device and the method are used for performing filming operation, a display is fixedly arranged on the carrying platform, and a film is fixedly arranged on the bent film attachment device; a better attachment effect is achieved by adjusting the platform; the filming efficiency and the alignment accuracy are higher; a good attachment effect is achieved.

The invention discloses an OLED display panel which comprises a display area and a non-display area and further comprises an array substrate, a first retaining wall, a second retaining wall, a plurality of metal routings, a plurality of first grooves and a thin film packaging layer, wherein the metal routing layer is located in a fan-out routing area, close to a lower frame, of the array substrate, part of the metal routings are arranged along the direction perpendicular to the first retaining wall, and the included angle between the other part of the metal routings and the first retaining wall is an acute angle; the plurality of first grooves are arranged in the fan-out routing area and are arranged along the direction of the metal routings; the part, corresponding to the second area, ofthe array substrate is further provided with a plurality of second grooves, and the second grooves are distributed along the direction perpendicular to the first retaining wall.

The invention provides an elevator protecting system with distributed air bags. The elevator protecting system comprises a car, a hoistway, floor safety modules, a server and a mobile phone APP. Eachfloor safety module comprises a ranging module, an air bag module, a floor communication module and a floor controller, wherein the ranging module is mounted horizontally and diagonally upwards to form an acute angle with the inner wall of the hoistway; the air bag module is below the ranging module by a distance of at least half height of the car; the floor controller is used for detecting statesof the air bag module, alarming under abnormal conditions, regularly reading measurement values of the ranging module, calculating time difference between car tail approaching and car head leaving toobtain car descending speed and alarming and controlling the air bag module to eject an air bag to slow down the car in descending under a stall condition. The elevator protecting system is high in reliability, each floor safety module is capable of independently judging the stall condition of the car and ejecting the air bags to protect passengers, and convenience in mobile phone APP remote monitoring is achieved.

A transition base for processing inclined holes in an inner cylinder space of a gas turbine compressor exhaust cylinder relates to a component for processing inclined holes in an inner cylinder space of a gas turbine compressor exhaust cylinder, and aims to solve the problem that a multi-axis numerical control machine for processing inclined holes in an inner cylinder space of a gas turbine compressor exhaust cylinder is not provided with reasonable accessories, so that the positions of the processed inclined holes in the inner cylinder space of the gas turbine compressor exhaust cylinder aredifficult to meet design requirements. Eight circular arc grooves are evenly arranged on the lateral wall of the outer periphery of a cylinder, a connecting lug is positioned between each two adjacent circular arc grooves on the cylinder, a connecting hole is arranged on each connecting lug, two radial through holes are arranged on the outer lateral wall of a cone, six threaded holes are axially arranged on a small-diameter end face of the cone, and an acute angle alpha formed between the central line of two of the six threaded holes and the central line of each two adjacent connecting holes 7 is 2.734 degrees. The transition base is used as an accessory for processing the inclined holes in the inner cylinder space of the gas turbine compressor exhaust cylinder.

The invention provides an insert mold structure for a shower head, comprising a mold insert used for molding the external structure of the shower head and insert pins used for molding a water outlet of the shower head, wherein each insert pin comprises a main body, a hang block, a first molding part and an insert pin end, wherein the hang block is arranged at the upper end of the main body, the first molding part arranged at the lower end of the main body is used for molding the water outlet, the insert pin end is connected with the main body, and the axis of the insert pin end and the axis of the first molding part are in the same line; the mold insert comprises a body part, a second molding part and an insert auxiliary part, wherein the second molding part is arranged inside the body part, and the insert auxiliary part and the insert pin end form an oblique angle to secure the insert auxiliary part and the insert pin end to be not close, so the mold is easy to exhaust and has little wear; and the acute angle between the insert auxiliary part and the insert pin end enables thin flash at the insert pin end to easily fracture when the mold is opened, thus saving manual deflashing in post process.

The invention discloses a multi-functional single-pole transporting vehicle, which comprises a pole clamp, a bracket and tires, the pole clamp forms a concave arc-shaped groove, the bottom of the pole clamp is connected with a plurality of tires below through the bracket, and the pole clamp It forms an acute angle with the horizontal plane; any branch rod connected to the pole clamp on the bracket is provided with a telescopic rod and a rotating handle, and the rotating handle can drive the telescopic rod to realize the telescopic operation; the two parallel edges of the pole clamp A plurality of suction cups are evenly arranged on the sides, and the plurality of suction cups on the two parallel edges all face the concave arc-shaped groove on the electric pole clamp, and each suction cup is connected with a hollow tube. In the present invention, through the above structure, the angle and height between the pole fixture and the ground in the pole transport device can be adjusted according to the actual situation, so that the pole can be placed in the best position for unloading and installation no matter what the environment is. In addition, the setting of the suction cup can prevent the electric pole from slipping off the electric pole clamp during the shaking process.

The invention provides a novel washtub, belongs to the technical field of articles for daily life and aims at solving the problem that an existing washtub is provided with a washboard and the space becomes small. The washboard comprises a trumpet-shaped washtub side plate, wherein the washtub side plate is provided with a washtub side plate large end with a larger opening and a washtub side plate small end with a smaller opening respectively; the novel washtub further comprises a lug boss; the lug boss comprises a plate-shaped lug boss bottom plate and a trumpet-shaped lug boss side plate; the lug boss side plate is provided with a lug boss side plate large end with a larger opening and a lug boss side plate small end with a smaller opening respectively; the lug boss side plate large end and the washtub side plate small end have the same diameter and are connected; the lug boss side plate small end is connected with a lug boss bottom plate; the lug boss side plate small end is arranged towards one side of the washtub side plate large end; an included angle between the face formed by the washtub side plate small end and the face of the lug boss bottom plate is an acute angle; a plurality of racks I are arranged on one face, facing the washtub side plate large end, on one side of the lug boss bottom plate. The washtub has a washboard function and has a larger storing space.

The invention provides a machine tool bed which comprises a bed body. The bed comprises a head and a tail, the upper portion of the head is provided with a top plate with a plurality of mounting holes and a plurality of installing square grooves, a second end plate is arranged on the side of the top plate downwards in the height direction of the machine tool bed, the lower portion of the head is provided with a plurality of evenly distributed long bed plates, the lower portion of the tail is provided with a plurality of evenly distributed bed plates, and a plate with a third rib plate and a plurality of second rib plates is arranged above the long bed plates and the bed plates. Two third hot rolling groove pipes symmetrical with each other are arranged on the two sides of the plate, every two second rib plates form an acute angle structure to be sequentially connected linearly, a first rib plate is arranged at the position of the center line in the acute angle structure, and the first rib plate and the long bed plates are parallelly arranged in the length direction. A second hot rolling groove pipe, a first hot rolling groove pipe and the second end plate form a square-in-square structure. The machine tool bed is simple and reasonable in structure and high in movement strength, and mechanical properties of a machine tool are improved.

The invention provides a water treatment filter with a backwashing function. The water treatment filter comprises: a filter shell; a sewage inlet, wherein the sewage inlet communicates with the filtershell; a sewage outlet, wherein the sewage outlet is connected with a water purification channel; a first filtering working combined structure and a second filtering working combined structure, wherein the first filtering working combined structure and the second filtering working combined structure communicate through the water purification channel. The invention designs a novel filter, a plurality of flow guide plates and flow deflectors are additionally arranged in the filter, and the flow direction of fluid in the filter is optimized, so that the filtering efficiency is improved; the sewage inlet and the outlet are both in an acute angle with the filter, so that the sewage can flow into the filtering medium smoothly, and residue and sewage residue are prevented.