43results about How to "Assembly time saving" patented technology

The invention provides an elastic chuck. The elastic chuck comprises a bottom disc, an elastic disc and a plurality of clamping claws. The bottom disc comprises an upper surface, a lower surface and a through hole penetrating the upper and lower surfaces. The elastic disc is formed integrally and comprises a fixed ring fixed on the bottom disc, a pulling block and a plurality of bearing seats. The pulling block is disposed at the center of the fixed ring and is disposed in the through hole and capable of performing displacement along the axis of the through hole. The plurality of the bearing seats extends to the fixed ring from the pulling block radially. An upper surface facing towards the bottom disc with a radial clearance formed is formed at the bottom of each bearing seat. The clamping claws are arranged at the tops of the bearing seats, and the pulling block of the elastic disc is used for receiving pulling force acting axially substantially to drive the clamping claws to clamp a work-piece. The elastic chuck is simple in structure, few in part, time saving and cost saving and high in accuracy during manufacturing and assembly.

The invention discloses an installation box for installing a circuit board and a refrigerator with the installation box. The installation box for installing the circuit board comprises a box body and at least one assembling component, wherein an installation chamber for installing the circuit board is defined inside the box body; at least one part of the circuit board is clamped into the assembling component. According to the installation box for installing the circuit board, the assembling component which can be connected with the circuit board in a clamping manner is arranged inside the installation chamber of the box body, and the circuit board is connected with the assembling component in the clamping manner, so that the application of screws is reduced, a step for assembling the circuit board through the screws can be eliminated, and not only can the preparation cost be reduced, but also the assembling efficiency can be improved.

The invention discloses a micro water pump, which comprises a motor, a casing body, an impeller and an end cover. Outward convex flange and dummy club are arranged on an inner wall of the casing body, a water outlet opening is arranged on the outer wall of the casing body along the tangent direction, a water level hole parallel to the end surface of the casing body and positioned above the water outlet opening is arranged on the circumferential wall of the casing body, and the lower edge of the water level hole is flush with the upper edge of the dummy club; the impeller is composed of an impeller shaft, a chassis and a plurality of blades of an integral structure, the impeller shaft is positioned above the chassis, the blades are uniformly distributed below the chassis, and a plurality of air vents are arranged on the chassis; a cavity is arranged in the end cover, and a central hole is arranged on the end surface of the water pump; the motor, the impeller and the end cover are arranged in the cavity, wherein, a motor shaft is positioned in the impeller shaft and is tightly fitted, the chassis and the blades of the impeller are positioned between the dummy club of the casing body and the end surface of the end cover, and the impeller, the casing body and the end cover are not contacted; the cavities formed among the water outlet opening, the dummy club and the end cover are communicated. The invention has the advantages that the structure is simple, the sealing element is not required, the service life is long, and the noise is low.

The invention provides a ball switch and a method for manufacturing the same, comprising a first insulation outer shell, a second insulation outer shell, an insulation central arrangement body, two metal sheets and a ball, wherein the insulation central arrangement body is provided with a first connection surface and a second connection surface which are opposite in direction; the first connection surface is used to be connected with the first insulation outer shell, and the second connection surface is used to be connected with the second insulation outer shell; the two metal sheets are arranged respectively between the first insulation outer shell and the insulation central arrangement body and between the second insulation outer shell and the insulation central arrangement body; the combination of the first insulation outer shell, the second insulation outer shell, the insulation central arrangement body and the metal sheets can limit a receiving space for receiving the ball, and the ball can move between a conduction connection position and a non-conduction connection position, thereby the ball switch has the advantages of relatively simple assembly and good action stability.

The invention relates to the technical field of air vehicles, and discloses a miniature helicopter undercarriage. The miniature helicopter undercarriage comprises two supporting feet arranged in parallel. Each supporting foot is provided with a supporting rod inclined at a set angle relative to the supporting foot. The miniature helicopter undercarriage further comprises transverse rods connected with the supporting rods, and the transverse rods are connected with the supporting feet through transition rods. An installation base for installing a helicopter base is arranged between the supporting rods. A supporting frame is arranged below the installation base and provided with a supporting structure. According to the miniature helicopter undercarriage, the transverse rods and the transition rods are arranged on the supporting feet, the impact resistant capacity of the supporting feet during landing is greatly improved, damage, caused by impacting, to a helicopter during landing is avoided, and the service life is effectively prolonged; the supporting structure is arranged, the impact resistance of the undercarriage is further improved, and the stability of a helicopter body in the flying process is improved; the undercarriage and the helicopter base are installed together, time and labor are saved in the assembling process, and meanwhile the whole helicopter body structure is compact.

This invention provides one aphototropism module and its isolation light source connection device, wherein, the aphototropism module comprises light source, light source connection device and signal source module; light source connection device comprises light connection socket ad signal connection socket; light source connection socket has light source conductive part and signal input part; light source conductive part one end is connected to light source electrode end; signal connection socket is connected to light source connection socket; signal connection socket comprises signal output part and signal source connection part.

The invention relates to a fixer tool for an automobile sun shield, and the fixer tool comprises a fixing block of a fixer cap, a mechanical extruder and an offsetting spring, wherein the fixing block of the fixer cap, which is used as a female die of the mechanical extruder, is fixedly mounted on a base of the mechanical extruder; the fixing block is of a trapezoid structure; a connection fixing hole for the fixer cap and a fixer rod is formed on the fixing block; and the offsetting spring is mounted at the top of the mechanical extruder. The fixer tool for the shading board of the vehicle has the following beneficial effects: 1) the assembling is time-saving and labor-saving, and after being assembled, the fixer cap and the fixer rod are tightly connected; 2) the surface of the fixer is free from being damaged during an assembling process, thereby ensuring the quality of the fixer; and 3) the mechanical extruder is adopted, so that the whole device is stable in working process, high in working precision, good in operation condition and high in production efficiency.

The invention discloses a tooth protection type visual laryngoscope. The tooth protection type visual laryngoscope comprises a visual laryngoscope body; the bottom of the visual laryngoscope body is provided with a connecting pipe in a penetrating manner; the connecting pipe is rotatably connected with the visual laryngoscope body; a sliding groove is formed in the outer wall of the connecting pipe; the interior of the sliding groove is fixedly connected with a movable ring; and both two sides of the outer wall of the movable ring are each fixedly connected with a support rod. According to thetooth protection type visual laryngoscope in the invention, a second spring is arranged in a groove; due to addition of the second spring, a clamping rod can be effectively clamped with a clamping groove; simultaneously, a sliding block returns to its original position; due to addition of the sliding groove, it is more time-saving to assemble the movable ring and the connecting pipe; due to addition of a first fixed rod and a second fixed rod, the stability of a first spring is increased; due to addition of the first spring, when being not used, an intubation tube can return to its original position; due to addition of the clamping rod and the clamping groove, the position of the support rod can be fixed; and thus, the position of the intubation tube can be fixed.

The invention relates to an exhaust gas turbocharger (1), in particular for an internal combustion engine (2) of a motor vehicle, having a bearing housing (3) for supporting an impeller shaft (4); having a compressor housing (5) for receiving a compressor disc (6); having a clamping device (10) comprising a first arm section (11) and an engagement section (12), wherein the first arm section (11) contacts a surface (7) of the bearing housing (3) at least in sections, and having a counter-clamping device (20) comprising a head segment (21) and a counter-engagement section (22), wherein the head section (21) contacts a first surface (8) of the compressor housing (5) at least in sections, and wherein the counter-engagement section (22) can be brought into form-fit contact with the engagement section (12), such that the bearing housing (3) and the compressor housing (5); are connected to each other by means of a force fit. The invention further relates to a motor vehicle and to a method for assembling such an exhaust gas turbocharger ().

The invention relates to the technical field of elevator operating boards, in particular to a parallel outbound operating board for an elevator. The parallel outbound operating board for the elevatorcomprises a fixing plate, a sectional material frame, a lining plate and a control panel, wherein the sectional material frame and the fixing plate are detachably connected; the lining plate is installed on one surface which is near the sectional material frame and is far away from a display plate; and the control panel is laminated to one surface, which is far away from the fixing plate, of the lining plate. A processing technology of the parallel outbound operating board for the elevator comprises the steps that an aluminum sectional material is subjected to production, cutting, CNC lathe machining and electroplating through an extrusion mould shaping way, the display plate is installed to the fixing plate, then, the sectional material frame is fixed with the fixing plate, the lining plate is installed and fixed with the sectional material frame, and the control panel is laminated to the lining plate to obtain the parallel outbound operating board for the elevator. According to theparallel outbound operating board for the elevator, and the processing technology of the parallel outbound operating board, the problems in the prior art that integral assembling intensity is low, deformation is likely to occur, the period is long and decoration is single are solved, and the provided parallel outbound operating board for the elevator has the advantages that intensity is high, multiple series of products can be quickly developed, and the parallel outbound operating board is firm and reliable and is unlikely to deform after the parallel outbound operating board is integrally assembled.

The present invention provides an optical path system of an interaction bench and an interaction bench system. The optical path system of the interaction bench comprises: a projection surface configured to arrange image identification cards and allow users to perform operation of the image identification cards on the projection surface; a projector arranged at the lower portion of the projection surface, connected with a host and configured to receive data to be projected transmitted by the host and project the data to be projected to the projection surface; and an image collection device connected with the host and configured to collect information of target image identification cards arranged on the projection surface and send the information of the target image identification cards to the host, so as to allow a display screen connected with the host to update display content in the display screen according to the information of the target image identification cards. In the optical path system of the interaction bench provided by the embodiment of the invention, the projector is employed to directly perform projection of the data to be projected to allow images obtained through projection to be more clear and more real so as to solve the technical problem that the images projected by the optical path system of an interaction bench are distorted and fuzzy in the prior art.

The invention discloses a gear selecting device of an automobile gearbox. The gear selecting device comprises a gear shifting box, a gear shifting shaft penetrating the gear shifting box, a gear shifting rocker and a limiting part, wherein the limiting part is sleeved on the gear shifting shaft and is limited by a first locating component and a third locating component inside the gear shifting box to perform axial displacement, the gear shifting rocker is fixed on the gear shifting shaft inside the limiting part and can rotate in the circumferential direction inside the limiting part and perform axial displacement via the limiting part, and a spring extension mechanism is arranged on the gear shifting shaft on one side of the limiting part. A limiting function in gear selection of the gearbox is realized with one spring extension mechanism only, the gear selecting device is simple in structure, low in cost and convenient to assemble, and large mounting space is saved.

The invention provides an ultra-high power transformer, which comprises a base, a plurality of sheet bodies and a plurality of barrier bodies. The base comprises a main core part, a plurality of open grooves and a plurality of wing parts. The main core part is in a polygonal shape and the two edges thereof are provided with a first top corner of a first radius of curvature. The main core part is provided with a through hole penetrating the main core part. Each open groove corresponds to the top corner. Each wing part corresponds to the edges of the main core part. A gap is reserved between the wing part and the edge of the main core part. The wing part is provided with a second top corner of a second radius of curvature close to the above open groove. Each sheet body is provided with a through hole and a guide groove. The through hole is arranged in the main core part. The guide groove corresponds to the open groove.

The invention relates to a clamping device and a method for replacing a single-hole connecting plate strain insulator string. The clamping device comprises a front bending plate clamp, a rear bending plate clamp, two adjustable aluminum alloy hanging rings and an aluminum alloy insulator cradle, wherein the upper part of the front bending plate clamp is used for being connected with a lead-side connecting plate, a steering pulley is fixed in the middle of the front bending plate clamp, and the lower part of the front bending plate clamp is connected with one of the adjustable aluminum alloy hanging rings; a rope which is connected with the front end of the aluminum alloy insulator cradle penetrates by virtue of the steering pulley; the upper part of the rear bending plate clamp is used for being connected with a cross arm-side connecting plate, the middle of the rear bending plate clamp is movably connected with the rear end of the aluminum alloy insulator cradle, and the lower part of the rear bending plate clamp is connected with the other adjustable aluminum alloy hanging ring; a plurality of holes for adjusting the connection position of the corresponding bending plate clamp are formed in each adjustable aluminum alloy hanging ring; the two adjustable aluminum alloy hanging rings are connected with double hooks. The clamp has the advantages of convenience in assembly and disassembly, high operability and the like; the labor intensity is reduced, safety requirements for overhead field operation are met, and the operation efficiency is improved.

The invention discloses a sealed integrated main cone bearing unit which comprises a main shaft. The left side of the surface of the main shaft is sleeved with a bevel gear. The surface of the main shaft is sleeved with an inner bearing. The inner bearing is located on the right side of the bevel gear. The surface of the inner bearing is sleeved with a bearing seat. Through cooperative use of theinner bearing, a first groove, the bearing seat, an outer bearing, a small end face, a small flange, a large flange, a large end face, a second groove, a sealing ring, a shaft sleeve and a spacer, theproblems that an existing commercial vehicle sealed integrated main cone bearing unit is complex in assembly and high in machining accuracy requirement are solved, the sealed integrated main cone bearing unit has the advantages of being easy to assemble and low in machining accuracy requirement, the structure is reasonable, time is saved in the assembly process, part machining cost is saved, thesealing performance of the sealed integrated main cone bearing unit is better, the risk of bearing failure due to oil leakage is reduced, and the defects in the prior art are effectively overcome.