22results about How to "Simple positioning structure" patented technology

A positioning device used for accurately manufacturing a complex automobile accessory. The positioning device comprises a platform, a base is arranged on the platform, a fixing plate used for limiting Y-axis direction of one end of the accessory is arranged on the base, a retaining plate used for limiting Z-axis direction of one end of the accessory is arranged on the fixing plate, a lateral retaining plate used for limiting X-axis direction of the accessory is arranged on the base, and a limiting part used for limiting Z-axis direction of one end of one side, opposite to the retaining plate, on the accessory is arranged on the base. Through a separated positioning mode, positioning structure is simplified, operation steps are reduced, more convenience in replacement of the automobile accessory is realized, and the positioning device is suitable for large-scale welding operation. In addition, the whole positioning device is simple in structure, firm in positioning and high in accuracy.

The invention provides a rapid drainage device for foundation reinforcement, and relates to the technical field of foundation drainage, the rapid drainage device comprises a foundation reinforcement plate, a steel bar frame is arranged in the middle of the foundation reinforcement plate, and a water collecting pipe is arranged in the steel bar frame; a mounting ring is sleeved on the water collecting pipe; positioning frames are arranged on the left side and the right side of the mounting ring and can control the position of a filter cover at the bottom of a water collecting pipe between foundation reinforcing plates, so that the filter cover is located in accumulated water between the foundation reinforcing plates and is prevented from being immersed into sediment at the bottoms of the foundation reinforcing plates, and therefore the drainage efficiency of the accumulated water is guaranteed; the problems that when an existing rapid drainage device for foundation reinforcement is used, a water collecting pipe lacks a reasonable positioning structure, so that a water inlet of the water collecting pipe is inserted into silt, drainage of accumulated water is affected, the water collecting pipe slides to the deep position of a steel bar net frame and cannot be taken out, and in addition, a large amount of silt is accumulated on a filter screen, drainage efficiency is affected, and drainage cost is lowered are solved. And an operator needs to regularly disassemble and clean the device, so that the operation is troublesome.

The invention discloses a continuously variable transmission, including a first shaft system, a second shaft system and a transmission element. By specifically setting the elastic element and each component therein, the system life, transmission efficiency and other technical effects of the continuously variable transmission are greatly improved, so that the applicability of the continuously variable transmission is greatly improved.

The invention relates to the field of household appliance equipment, and discloses a mounting structure and an electric appliance device. The installation structure can simultaneously install and fix the power line and the water pipe, the installation structure of the power line and the water pipe is simplified, operation is easy and convenient, the installation efficiency can be improved, and the production cost is reduced. The mounting structure is applied to the electric appliance device, the electric appliance device comprises a mounting plate, a power line and a water pipe, and the power line and the water pipe are arranged on the mounting plate through the mounting structure.

The invention relates to the technical field of LED display screens, and discloses a modular spliced ​​suspended LED display screen. For a plurality of LED display screen bodies spliced ​​together, a connection mechanism is first used to perform preliminary positioning on four LED display screen bodies, and the positioning method is simple. Only by twisting a rotating column and using four positioning bolts can the positioning of three adjacent LED display screen bodies be realized, and not only the positioning is firm, but also the positioning structure used is simple and easy to operate; then a locking mechanism is used to drive the positioning column in the positioning mechanism to be inserted into the interior of a positioning socket, and a protrusion is pushed by a second spring to move up and be stuck in the interior of a limiting hole, so that the positioning mechanism positions the LED display screen body, and only by twisting the rotating column can the locking connection of four adjacent LED display screen bodies be realized. Two connection structures are used to position the LED display screen body, so that the connection stability of the four LED display screen bodies is improved, and the LED display screen bodies are not easy to shake or even fall off during use.

The utility model discloses a slider structure of placing insert injection molding, including front mould, back mould, the slider of being able to in the back mould sliding, its characterized in that: the forming surface of slider is equipped with the locating insert that can cooperate with the positioning hole on metal spare, and be equipped with inclined jacking core-pulling structure between slider and front mould, thereby realize slider can drive locating insert to exit from product before product demoulding. The utility model discloses locating insert cooperation locating insert is positioned to metal spare through setting locating insert on slider, and locating insert not only can realize accurate positioning of metal spare, can avoid the rubber coating position of metal spare edge, and positioning structure is simple, and the small space in mould is occupied.

A bearing seat positioning mechanism comprises a positioning base with an L-shaped cross section, a centering seat, a pull rod, a limiting block, a pressing seat and a top seat, the centering seat comprises a positioning disc assembled in a bearing hole of a bearing seat, the pressing seat comprises a pressing rod and two connecting rods, and the top seat comprises a seat body and a supporting bolt in threaded fit with the top of the seat body. The horizontal plane of the positioning base is fixedly installed on a milling machine table, one end of the pull rod is fixed to the vertical plane of the positioning base, and the other end of the pull rod extends in the horizontal direction, penetrates through the circle center of the positioning disc and the limiting block and is in threaded fit with the locking nut and a base body of the top base to be supported on the milling machine table. And the pressing rod is tightly pressed on the side face of the top of the bearing seat, so that the bearing seat is positioned. The device is simple in structure and low in machining cost, the bearing seat can be rapidly, efficiently and stably positioned, it is guaranteed that the side face where the length and the thickness of the bearing assembly end of the bearing seat are located is horizontal, and the milling requirement is met.

The utility model relates to kitchen appliances, in particular to a liquid heater capable of detecting liquid level across the air, which comprises a glass cup body and a handle mounted on one side of the glass cup body, and is characterized in that a detection plate component for detecting the liquid level across the air is arranged between the glass cup body and the handle in a hidden manner, and a hook is arranged at the top of the detection plate component. The detection plate assembly is hooked on the cup edge of the glass cup body through the hook for positioning, and the detection plate assembly is tightly pressed on the outer wall of the glass cup body through the handle. According to the liquid heater, a good installation structure is designed, the detection plate assembly can be reliably positioned on the outer wall of the glass cup body, position deviation is not prone to occurring, installation is easy, and manufacturing cost is low.

According to the welding positioning tool for the protective fence assembly, a protective fence bottom plate in the protective fence assembly is centrally positioned on a bottom plate, and guide grooves which are parallel to the length direction of the bottom plate and are the same as longitudinal grid bars in the protective fence assembly in number are formed in the middle of the surface of the bottom plate; two sets of side pushing positioning devices which are installed on the bottom plate in a telescopic and controllable mode and connected with the guide grooves in a matched mode are located on the outer side of the end of the bottom plate of the protective fence, the bottom plate is provided with a positioning and supporting assembly used for positioning and supporting longitudinal grid bars and transverse grid bars in the protective fence assembly, and the longitudinal grid bars are positioned through the side pushing positioning devices at the ends of the longitudinal grid bars. Two groups of downward pressing type positioning devices fixed on the bottom plate are arranged outside the long edge side of the protective fence bottom plate, and the protective fence bottom plate and a plurality of transverse grid bars for welding the two longitudinal grid bars are pressed and fixed through the downward pressing type positioning devices. The welding positioning difficulty of the protective fence assembly is solved, the welding quality and efficiency are improved, the welding positioning difficulty is reduced, operation is convenient and fast, and batch production is facilitated.

The present invention relates to a modular optical fiber connector for removing and removing contacts without tools, comprising a connector housing and at least one contact module composed of a plurality of contacts whose tails are rotated and locked in a support block; the connector housing is provided with a contact hole for adapting each contact in the contact module and a rear end cavity for fixing the support block; the contact comprises a ceramic pin and a tail handle, and the tail handle realizes circumferential rotation prevention through the cooperation of a large convex key on its outer circumference and a large keyway in the contact hole; a spring at one end is movably sleeved on the tail of the tail handle and stopped on the flange of the tail handle, and the other end is fixedly connected to the front end of the support, and the spacing between the support and the tail handle is adjusted by compressing the spring; at least two pins are evenly distributed on the outer circumference of the support, which are rotationally locked with the fixed part in the support block. The contact of the present invention can be removed and removed without tools; the contact positioning structure is simple; the modular design is used to enable the housing to be compatible with various types of contact units, thereby improving the applicability of parts.

The utility model relates to a kind of installation tolerance regulators of automobile outer door handle, including assembly shell structure and multiple movable installation limiting components, assembly shell structure includes main connection shell, limiting handle corresponding slot area, multiple equidivided installation sleeve structure, movable installation limiting component includes mounting spiral sleeve structure and assembly adjusting bolt body, mounting spiral sleeve structure includes spiral sleeve body, spiral body being arranged on the outer surface of spiral sleeve body, limiting clamping groove, built-in limiting structure being arranged in spiral sleeve body, the assembly adjusting bolt body includes lock nut and nut and threaded body.The positioning structure of the installation tolerance regulator configuration is relatively simple, corresponding adaptability is strong, there may be size or space difference and low structural rigidity in multiple screwing components, locking firmness is poor, the two components of the body reduce forced misregistration after mounting screw locking, cause the two components of the body in Y direction stress opposite, cause partial torsion.

The utility model provides a carrying device and corresponding PCB appearance detection equipment. The carrying device comprises a platform, an adsorption table, a limiting assembly and a carrying driver. The adsorption table is arranged above the platform in a sliding mode in the vertical direction, adsorption holes are formed in the bottom face of the adsorption table, and the adsorption table comprises a jacking position, a plate adsorption position and a plate placing position which are sequentially arranged from top to bottom on the sliding track of the adsorption table. The limiting assembly comprises a limiting plate and a limiting mechanism. The limiting plate is connected to the adsorption table, and a limiting hole is formed in the limiting plate. The limiting mechanism comprises a telescopic rod, the telescopic rod is arranged in the axial direction of the limiting hole in a telescopic mode, and the telescopic rod comprises an extending position and a retracting position in the moving direction. When the adsorption table is located at the plate adsorption position, the telescopic rod abuts against the top of the limiting hole and is used for limiting the adsorption table to move towards the plate placement position. According to the carrying device and the corresponding PCB appearance detection equipment, the positioning structure is simple and accurate, and the phenomenon that the PCB is damaged due to the fact that the downward moving stroke of the adsorption table is too large is avoided.

The utility model discloses a dustproof sludge outlet, which belongs to the technical field of sludge treatment and comprises a discharge pipe, a steel plate frame is arranged at the upper end of the discharge pipe, a discharge hole is formed in the discharge pipe, a discharge pipe is arranged at one end, far away from the steel plate frame, of the discharge hole, and filtering anti-blocking components are arranged on two sides of the discharge pipe. A dust suction pipe is arranged on one side of the filtering anti-blocking assembly, a collecting cover is installed on the surface of the bottom end of the discharging pipe, and a positioning installation assembly is arranged at the position, corresponding to the collecting cover, of the bottom end of the filtering anti-blocking assembly. By arranging the filtering anti-blocking assembly, flying dust generated when sludge is discharged can be collected, the flying dust is prevented from polluting the working environment, human health is guaranteed, meanwhile, the porous collecting frame can be conveniently disassembled, assembled and cleaned, a dust suction pipe is prevented from being blocked, the working stability of equipment is guaranteed, and the working quality is improved; the collecting cover can be conveniently and accurately mounted, so that raised dust generated by sludge discharge can be shielded.

This invention provides a spring outer circle grinding device, including a grinding box. A set of first cylinders is located on the top of the grinding box, with the output end of each cylinder extending into the grinding box. An upper positioning mechanism is fixedly connected to the output end of the first cylinders. A set of second cylinders is located on the right end face of the grinding box, with the output end of each second cylinder extending into the grinding box. A side positioning mechanism is installed at the output end of the second cylinders. This invention utilizes multiple upper positioning rollers rotatably connected between arc-shaped plates at both ends of the bottom of a first U-shaped frame and side positioning rollers rotatably connected between second U-shaped frames, along with grinding rollers rotatably connected to a support, to form a three-point positioning structure. The inscribed circle of each of these three points is the circumscribed circle of the spring to be ground. The positioning structure of the spring to be ground is simple, low in cost, and easy to promote.

The utility model discloses an electric ceramic cooker which comprises a bottom shell, an upper cover and a heating disc. The upper cover is arranged at the top of the bottom shell; a plurality of positioning columns are distributed on the inner bottom wall of the bottom shell in an annular array mode. The outer side of the positioning column is sleeved with a spring. The outer side of the heating disc is sleeved with a shell. A plurality of bearing lugs are arranged on the outer side surface of the shell; the number of the bearing lugs is the same as that of the positioning columns, and the bearing lugs and the positioning columns are arranged in a one-to-one correspondence mode. Positioning holes are formed in the bearing lugs; the positioning columns are arranged in the corresponding positioning holes in a penetrating manner; the bearing lug is positioned above the spring; the bearing lugs and the shell are of an integrated structure. According to the utility model, the bearing lugs and the shell are designed into an integrated structure, so that the structure and the assembly steps of the electric ceramic cooker can be simplified, the production efficiency can be improved, and the cost is saved.

The utility model discloses a special appliance for tumor resection in the technical field of medical instruments, which comprises a handle and a cutting knife, a connecting piece is mounted in the handle in a sliding manner, communicating grooves for the connecting piece to slide are formed in two sides of the handle, and a mounting rod capable of sliding in the handle is mounted at the front end of the connecting piece. The cutting knife is detachably mounted at the front end of the mounting rod; the connecting piece extends to the surfaces of the two sides of the handle and is provided with a limiting frame in an up-down sliding mode, the two sides of the handle are each provided with two sets of clamping rods for positioning the limiting frame, and the top of the handle is slidably provided with an elastic supporting piece connected with the limiting frame; the scalpel for tumor resection solves the problems that a blade part of an existing scalpel for tumor resection is sharp, when the scalpel is stored, the blade part is inconvenient to protect, medical workers are prone to be accidentally injured, and the scalpel is not beneficial for people to use.

An all-in-one machine support, comprising a base provided with a stand, a wall-mounted support provided on the stand, the wall-mounted support comprising a transverse frame connected with at least two hanging supports, each hanging support being provided with an upper hook capable of being hooked on the transverse frame and a lower supporting block supported on the bottom edge of the transverse frame, and a movable limiting member mounted on the lower supporting block, the movable limiting member comprising a rear stopper, a pivot, a tension spring and a pulling member, the rear stopper being pivotally connected with the lower supporting block through the pivot, the upper and lower ends of the tension spring being fixed on the hanging support and the lower end of the rear stopper respectively and being obliquely located between the hanging support and the rear stopper, and the pulling member being fixed on the rear stopper, the top of the rear stopper being provided with a top block, the top block moving downward and backward to release the limitation of the bottom edge of the transverse frame when the pulling member pulls the rear stopper, and the top block protruding from the lower supporting block and abutting against the back of the bottom edge of the transverse frame to limit the transverse frame when the rear stopper is reset. The all-in-one machine support is stable in structure and convenient to use.

The present invention discloses a wireless charging product assembly welding carrier and method thereof, including a positioning cover plate mechanism for positioning a connector and a wire carrier body, a positioning cover plate mechanism that is inserted and matched with the carrier body and used to clamp and position the shielding crimping wings on the wire, and a welding cover mechanism that is inserted and matched with the carrier body and used to press the conductor on the wire. Through the above method, the positioning, welding, and sealing of the present invention are concentrated on a carrier, which simplifies the complex process; the specific welding sequence improves the quality of the weld point, the positioning cover plate mechanism and the welding cover mechanism are magnetically adsorbed with the carrier body, and the tool-free installation improves efficiency.

The utility model aims to provide the film coating clamp which is compact in structure, and a product is not easy to deviate after being put into the film coating clamp. The tool comprises a bottom plate, an elastic clamping piece, two groups of slide fastener mounting pieces and a plurality of positioning columns, the bottom plate is provided with a first placing position and a second placing position, and the plurality of positioning columns are respectively arranged in the first placing position and the second placing position and are in guide fit with a product. The elastic clamping piece is arranged on one side of the first containing position and is pressed against a product in a lateral pushing mode, and the two sliding buckle installation pieces are arranged on one side of the first containing position and matched with an external sliding buckle installation mechanism. The clamp is applied to the technical field of product coating clamps.

The utility model provides an in-vehicle rearview mirror protection structure and a vehicle. The in-vehicle rearview mirror protection structure comprises a protection cover assembly arranged on front windshield glass. The shield assembly is located in front of the front reading lamp assembly, and a positioning structure is arranged between the shield assembly and the front reading lamp assembly. The positioning structure comprises a positioning part arranged on the shield assembly and a positioning matching part arranged on an installation support in the front reading lamp assembly, and the positioning matching part can at least limit the position of the positioning part in the left-right direction of the whole vehicle. According to the protection structure of the rearview mirror in the vehicle, the installation convenience of the protection cover assembly is improved, the protection cover assembly and the front reading lamp assembly can be better matched, the delicate sense of interior decoration is improved, and therefore the quality of the whole vehicle is improved.