23results about How to "Guaranteed clearance" patented technology

The utility model discloses an orthosis for preventing underarm scar contracture of a burn patient, which comprises a neck fixing strip, a shoulder lapping piece is fixedly arranged on the side of the bottom end of the neck fixing strip, one side of each first tensioning strip is rotatably connected with a first movable column, an underarm orthosis mechanism comprises an arc-shaped supporting piece, and the arc-shaped supporting piece is fixedly connected with the shoulder lapping piece. Adjusting long holes are formed in the two sides of the inner wall of the arc-shaped supporting piece correspondingly, and two limiting sliding blocks are slidably connected into each adjusting long hole. The armpit orthopedic mechanism is arranged between the first movable columns connected through the first tensioning strip, the limiting sliding block is connected with the arc-shaped filler strip, and the rubber stud is rotationally connected with the arc-shaped contact net piece, so that the orthopedic device is better in ventilation effect, dryness and ventilation of a burn position are guaranteed, recovery of an affected part is promoted, and it is guaranteed that a gap is formed between the arc-shaped supporting piece and the affected part; meanwhile, the arc-shaped supporting piece and the arc-shaped contact net piece generate pressure on the scar, so that the problem of scar contracture is solved while the ventilation effect is guaranteed.

The utility model discloses a kind of metal composite material walkway plates, comprising: footpath cantilever support, footpath cantilever support is spacedly arranged multiple along the length direction of prefabricated beam, the fixed end of multiple footpath cantilever support is fixedly connected with prefabricated beam;Steel grating frame, steel grating frame is multiple, the length direction of each steel grating frame Two ends are respectively overlapped and fixed on adjacent two footpath cantilever supports;Continuous no-alkali glass fiber felt reinforced polyurethane rigid foam plate, polyurethane rigid foam plate is multiple, and it is flatly fixed on multiple steel grating frames;Guardrail, guardrail is fixed on the cantilever end of footpath cantilever support.The footpath step plate is combined use by steel grating frame and polyurethane rigid foam plate, can greatly improve the durability of footpath step plate, and has the advantages of light weight, high strength.

The utility model relates to the technical field of drilling machines, and one embodiment of the utility model provides a drilling machine for rigging production, which comprises a drilling machine body, a cross-shaped sliding table, a support frame, a support block, a clamping plate, a clamping mechanism and a relative movement mechanism, the drilling machine body is provided with a working table, and the cross-shaped sliding table is arranged on the working table; a U-shaped supporting frame is fixedly arranged at the output end of the cross-shaped sliding table, supporting through grooves are formed in the two opposite inner walls of the supporting frame, the supporting blocks are arranged in the supporting through grooves in a sliding mode, clamping through grooves are formed in the close side walls of the supporting blocks, clamping grooves are formed in the bottoms of the clamping through grooves, and the clamping plates are arranged in the clamping grooves in a sliding mode. The clamping mechanism is arranged on the supporting block and used for driving the clamping plate to adjust the position, and through the technical scheme, the technical problem that in the prior art, abrasion is likely to happen between a drill bit and a workbench in the rigging drilling process of a drilling machine is solved.

The utility model provides a headlamp mounting assembly and a vehicle, and relates to the technical field of vehicle parts, the headlamp mounting assembly comprises a headlamp, a front end module, an upper longitudinal beam and a fender; in the vertical direction of the automobile body, the front end module and the upper longitudinal beam support a first connecting part and a second connecting part of the headlamp respectively, and the fender and the front end module support a third connecting part and a fourth connecting part of the headlamp respectively. The orthographic projection of the gravity center of the headlamp on the plane perpendicular to the vertical direction is located in an area defined by the orthographic projection of the first connecting part, the orthographic projection of the second connecting part, the orthographic projection of the third connecting part and the orthographic projection of the fourth connecting part on the plane perpendicular to the vertical direction. In this way, the headlamp can be prevented from inclining forwards and sinking under the action of gravity, it is guaranteed that the gap between the headlamp and the peripheral part meets the DTS matching requirement, and then the assembly precision of the headlamp is improved.

The utility model discloses a kind of T-shaped filter composite folding filter element, including filter element top cover and annular outer skeleton, the top of annular outer skeleton is connected with the bottom of filter element top cover, annular outer skeleton is concentrically arranged with filter element top cover, the surface of annular outer skeleton is evenly distributed with filter hole, the bottom of annular outer skeleton is provided with inclined filter surface, folding filter layer and braided metal inner skeleton are concentrically arranged in annular outer skeleton, the top of braided metal inner skeleton is welded with the bottom of filter element top cover, the bottom of braided metal inner skeleton is welded with inclined connecting ring. After being compressed in height direction by filter element top, braided metal inner skeleton can be deformed in height direction, and then reduce the error generated when installing contact between inclined connecting ring and baffle.

The utility model discloses a fireproof door frame split steel ladle sleeve inserting structure which comprises a door frame, a door pocket, a door frame tie bar, a door frame pull piece, a door pocket fixing pull piece, a clamping groove pressing piece, a clamping groove pressing piece fixing piece and an expansion bolt, the door pocket is connected with the door frame in an inserting mode, the door frame tie bar is provided with the door frame pull piece, and the clamping groove pressing piece fixing piece is connected with the door frame. The door pocket is fixedly connected with a wall surface through the door pocket fixing pull piece and the expansion bolt, the clamping groove pressing pieces are connected with the door frame through the clamping groove pressing piece fixing pieces, one end of the door pocket is inserted between the clamping groove pressing pieces and the door frame and tightly attached to the door frame and the clamping groove pressing pieces, and the clamping groove pressing pieces comprise the first clamping groove pressing piece and the second clamping groove pressing piece. According to the split steel ladle sleeve insertion structure of the fireproof door frame, an insertion mode is adopted, the insertion depth can be adjusted until the insertion is in place, the structure is simple, the installation process is simple, convenient and rapid, abutted seams are compact and attractive, and the installation effect is improved.

According to the one-way valve and the fluid control assembly, in the technical scheme of the one-way valve and the fluid control assembly, the size relation between the one-way valve and a runner plate conforms to L1 + L2-Hgt; therefore, after the first valve body abuts against the first mounting part and the second valve body abuts against the second mounting part, it can be guaranteed that a gap exists between two limiting faces at the joint of the first valve body and the second valve body, the possibility of extrusion stress between the first limiting face and the second limiting face is reduced, and then stress borne by the joint of the first valve body and the second valve body can be reduced.

A display module, a preparation method thereof, a display device and a mold. The display module comprises a display panel having a display side and a back side opposite to each other, the display panel comprising a display area, a bending area and a binding area, the bending area being connected with the display area and the binding area respectively, the bending area being bent into a curved surface towards the back side of the display panel, and the binding area being located on the back side of the display panel; the bending area is provided with a hole, one end of the hole being open on the display side of the display panel; a cover plate is covered on the display side of the display panel, the cover plate covering the display panel; a middle frame is surrounded on the periphery of the edge of the display panel and is in contact with the edge of the cover plate; a support fixing structure is located at least between the curved surface and the middle frame, and the support fixing structure covers at least part of the area on the outer side of the curved surface away from the display area of the display panel, and the support fixing structure covers one end of the hole.

The utility model relates to the technical field of building construction, and discloses a profiled steel sheet additional steel bar positioning structure which comprises a bottom groove formed in a profiled steel sheet, a plurality of sets of cushion blocks are arranged in the bottom groove, the cushion blocks are perpendicular to the extending direction of the bottom groove, and the length of the cushion blocks is matched with the width of the bottom groove. A positioning groove is formed in the top of the cushion block and used for containing an additional steel bar, and the direction of the positioning groove is consistent with the extending direction of the bottom groove. Binding grooves are formed in the cushion blocks, binding wires are arranged in the binding grooves in a penetrating mode and used for binding and fixing the additional steel bars to the cushion blocks, the positioning grooves can rapidly determine the positions in the placement process of the additional steel bars, the height of the cushion blocks effectively guarantees the interval between the additional steel bars and the profiled steel sheet, and the additional steel bars are prevented from being exposed after concrete is poured. After the additional steel bars are placed, the additional steel bars can be bound and fixed to the cushion block through the binding grooves in the cushion block, and therefore the technical problem that the additional steel bars of the profiled steel sheet are not easy to position is solved.

The invention relates to a motorized chain saw and a method for tensioning a saw chain of a motorized chain saw, in particular a motorized chain saw with a housing (2) and a drive motor (3). A guide rail (5) is held at the housing (2) via a releasable fastening device (8) and can be moved relative to the housing (2) in the direction of the longitudinal axis (6) of the guide rail via a tensioning device (10) when the fastening device (8) is released. The motorized chain saw (1) comprises a chain lifting device (11) which is constructed separately from the tensioning device (10). The chain lifting device (11) is configured for deflecting the saw chain (7) in a deflection position (40) of the chain lifting device (11) when the tensioning device (10) tensions the saw chain (7) and relaxing the saw chain (7) in an operating position (41) of the chain lifting device (11) when the guide rail (5) is fastened.

A display panel is provided. The display panel includes an upper display substrate and a lower display substrate, the upper display substrate includes a first pixel region, a second pixel region, a third pixel region, and a light-shielding region surrounding the first pixel region, the second pixel region, and the third pixel region, the lower display substrate includes a light-emitting element. The upper display substrate includes a base substrate, a first bank overlapping the light-shielding region and arranged on the base substrate, a second bank overlapping the light-shielding region and arranged on the base substrate, a bridge bank arranged on the base substrate between the first bank and the second bank, and an organic material pattern having at least a portion thereof arranged on the bridge bank. The display panel has improved reliability.

This utility model discloses a packaging barrel and a material extraction device, relating to the field of chemical technology. The material extraction device includes an extraction pipe and a metal guide rod; one end of the extraction pipe has a connecting part; the extraction pipe passes through the barrel body via an extraction channel, and the connecting part is assembled and connected to a connecting seat; one end of the metal guide rod is hinged to the connecting part; the metal guide rod passes through the barrel body, and the end of the metal guide rod facing away from the connecting part abuts against the inner liner bag inside the barrel; When the material extraction device provided by this utility model is extracted from the packaging barrel, the metal guide rod can, on the one hand, provide support for the inner liner bag inside the packaging barrel, preventing the inner liner bag from sticking to the opening of the extraction pipe as the material decreases, ensuring extraction efficiency; on the other hand, the metal guide rod conducts communication between the material inside the barrel and other external components, effectively removing static electricity inside the barrel and ensuring safety during the extraction process.

An image projection device comprises: a light source (10); a control unit (50) that generates image light based on image data and controls the emission of image light from the light source; a scanning unit (12) mounted on a frame worn on a user's face and scanning the image light emitted from the light source in two dimensions; a light guide member (30) mounted on the frame and positioned in front of the user's eyes, formed of a glass material that allows image light emitted from the scanning unit at different times to pass through internally, having multiple reflective surfaces that reflect the image light, so that multiple image light reflected by the multiple reflective surfaces converge at a convergence point (62) in the user's eyes and illuminate the retina; a reflector (20) mounted on the frame, so that multiple image light emitted from the scanning unit converges at a convergence point (60) near the light guide member and is incident on the light guide member; and a lens (24) positioned at the convergence point (60), so that the image light is incident as diffused light onto the reflective surface of the last segment of the light guide member.

The utility model relates to a kind of broken machine rotor body with variable rotary diameter, it is related to broken machine technical field, including rotating shaft and hammer head assembly being set in the rotating shaft around, and the hammer head assembly is connected between the rotating shaft by telescopic structure.This utility model can make broken machine according to the gap of the clearance of rotor body and broken machine crushing cavity to adjust broken material granularity, reach the substantial increase of broken machine production quantity.Meanwhile, due to the wear of hammer head, hammer head seat can be extended by oil cylinder at any time, the clearance of rotor body and broken machine crushing cavity can be automatically guaranteed, ensure that broken machine production quantity will not be reduced.Meanwhile, hammer head is replaced conveniently, maintenance time is short, and use and maintenance cost are low.

The utility model provides an anti-seismic structure of an automobile interior drawer, which belongs to the technical field of vehicle-mounted drawers and aims to solve the problems that plastic materials are short in service life due to abrasion in the use process, noise is easy to generate and user experience is affected if a gap between a drawer box and a panel is increased, and the anti-seismic structure comprises a mounting main body and a box body arranged in the mounting main body in a sliding manner, a plurality of mounting holes are formed in the mounting main body, anti-shaking assemblies are arranged in the mounting holes in a penetrating manner, each anti-shaking assembly comprises a main shaft clamped in the corresponding mounting hole, a ball head is arranged at one end of each main shaft, a tail part is arranged at the other end of each main shaft, a clamping cone is arranged between each tail part and the corresponding main shaft, the clamping cones abut against the mounting main body, and the ball heads are hemispherical and clamped between the mounting main body and the box body.

The utility model discloses a test fixture, and belongs to the field of atomization device testing. The test fixture comprises a support frame assembly which comprises a connecting rod; the clamping assemblies are connected to the connecting rod and are distributed at intervals in the extending direction of the connecting rod, each clamping assembly is slidably connected with the connecting rod and is configured to clamp a packaging bag of an object to be detected, and the distance between every two adjacent clamping assemblies can be adjusted; therefore, the packaging bags of the adjacent to-be-detected objects are arranged at intervals. According to the invention, the test effect of the to-be-tested object can be improved.

The utility model discloses a weft knitting cloth relates to the field of textile, and its technical scheme main points are: including base layer, the base layer is woven with hydrophobic yarn and cotton yarn, and the inner side of base layer forms the convex part, still be equipped with a plurality of reinforcing color yarn on the base layer, and reinforcing color yarn adds on cotton yarn and forms the reinforcing part on the base layer, is equipped with a plurality of convex stripe on reinforcing part, still is woven and forms the air hole on the base layer. The convex part protrudes in the inner side of base layer, and the convex part is not easy to produce adhesion with skin under the action of sweat, thereby reduces the possibility of the inner side of base layer and skin adhesion, forms the convex stripe through the after finishing means, thereby makes the outer side of base layer and external dress not easy to fit, and then makes the clearance of the outer side of base layer guaranteed, and the air hole is not easy to be blocked in this way setting both ends, thereby guarantees the air permeability of base layer whole, and cotton yarn has the characteristics of good hygroscopicity, guarantees the hygroscopicity of base layer whole.

The utility model relates to the technical field of vehicle-mounted grouting machines, and discloses a vehicle-mounted grouting machine sliding seat lifting mechanism which comprises a vehicle body chassis, the vehicle body chassis is connected with a guide rail door frame, a sliding seat is arranged at the bottom of the guide rail door frame in a sliding mode, a grouting machine base is connected to the bottom of the sliding seat, and the grouting machine base is connected with a grouting machine. The guide rail portal frame is connected with a telescopic oil cylinder, and the output end of the telescopic oil cylinder is connected with the sliding seat; guide rail door frame grooves are formed in the inner surfaces of the left side and the right side of the guide rail door frame, composite wheels are connected to the left side and the right side of the sliding base and comprise welding shafts, the welding shafts are fixedly connected with the sliding base, bearing pulleys are rotationally arranged on the sides, away from the sliding base, of the welding shafts, and the bearing pulleys make contact with the front faces and the rear faces of the corresponding guide rail door frame grooves. According to the sliding seat lifting mechanism of the vehicle-mounted grouting machine, the stable operation of the grouting machine can be ensured in a limited space through the sliding seat lifting mechanism of the vehicle-mounted grouting machine, and the feeding height of the grouting machine can be adjusted according to working conditions, so that the working intensity is reduced.

The invention discloses a telescopic electromagnetic stirring device for metallurgical continuous casting. The telescopic electromagnetic stirring device comprises a bottom plate, a top plate and a supporting rod connecting the bottom plate and the top plate. And two electromagnetic stirring assemblies capable of moving oppositely or reversely are arranged between the bottom plate and the top plate. Each stirring assembly comprises a moving plate, a base plate, a control plate and an electromagnetic stirring plate. An arc-shaped iron core and a coil are arranged in the electromagnetic stirring plate, and the radial distance between the electromagnetic stirring plate and the casting blank container and the self angle can be changed through an adjusting mechanism. The bottom plate is provided with a double-shaft motor, and the two stirring assemblies are driven by a bevel gear set and a two-way threaded rod to be synchronously close to or away from each other so as to adjust the distance between upper and lower stirring layers. Multi-dimensional flexible adjustment of the radial distance, the inclination angle and the distance between the upper layer and the lower layer of the stirrer is achieved, the stirrer can adapt to containers with different pipe diameters, a synergistically enhanced or reversely sheared composite electromagnetic flow field can be formed, the molten steel flowing and temperature uniformity is effectively improved, isometric crystal formation is promoted, and the quality of a continuous casting billet is improved.

The utility model provides a cloth separating and turning device for a marking machine, which comprises a roller mechanism for rolling and releasing cloth and a driving mechanism for driving the roller mechanism to act and assisting in turning the cloth, and the roller mechanism comprises a roller driving motor arranged on a motor mounting frame. The rolling wheel assembly is driven by the driving motor to roll cloth in a forward rotation mode and unroll cloth in a reverse rotation mode, a bottom plate matched with the rolling wheel assembly to roll the cloth is arranged on the motor installation frame, and a detector for detecting whether the cloth is rolled in or not is further arranged at the position, corresponding to the rolling wheel mechanism, of the motor installation frame. And a corresponding cloth rolling-in gap is formed between a corresponding roller of the roller assembly and the bottom plate. The device is simple in structure, suitable for thin cloth strips and wider in application range.

This utility model discloses a spray curing device for concrete silo structures, comprising a winch located on a slipform operating platform, and an inner and outer annular spray pipes located on the inner and outer sides of the silo structure, respectively. Both spray pipes are suspended from the winch's wire rope, and multiple spray nozzles and support springs are spaced apart on the side of each pipe closest to the silo structure. The length direction of the support springs is consistent with the radial direction of the silo structure, and the end closest to the silo structure abuts against it. This utility model utilizes a winch to suspend the inner and outer annular spray pipes on the slipform operating platform, and provides support springs on the side of each pipe closest to the silo structure to ensure the clearance between them and the silo structure. The position of the spray pipes can be flexibly adjusted by the winch, thereby achieving a large-area spraying operation unaffected by the raising and lowering of the slipform operating platform, and without affecting construction efficiency.

The utility model relates to a welding positioning tool of a buffer capacitor, which comprises a soldering lug bottom plate, an element bottom plate, an element limiting block, a spring baffle plate, a soldering lug pressing plate and a pull rod, one end of the element bottom plate is connected with one end of the soldering lug bottom plate, the height of the element bottom plate is higher than that of the soldering lug bottom plate, and the other end of the soldering lug bottom plate is provided with the spring baffle plate. The other end of the element bottom plate is provided with an element limiting block, the soldering lug bottom plate is provided with a first soldering lug clamping groove, the element bottom plate is provided with a second soldering lug clamping groove, the soldering lug pressing plate is arranged on the soldering lug bottom plate in a sliding mode, the pull rod is connected with the soldering lug pressing plate and penetrates through the spring baffle, and the spring is arranged between the soldering lug pressing plate and the spring baffle. A heightening block is arranged on the surface of the element bottom plate and located at one end of the element bottom plate. The positioning device is simple in structure, convenient to use, accurate in positioning and high in production and manufacturing efficiency. The soldering lug is positioned through the height difference between the soldering lug bottom plate and the element bottom plate and the soldering lug clamping groove, and the capacitor element is positioned through the element limiting block and the heightening block.