36results about How to "Precise locking" patented technology

The invention discloses a locking structure applied to an extension pipe. The locking structure comprises the extension pipe, a locking mechanism including a fixed piece and an expansion piece, and an unlocking mechanism for pushing the extension piece to retreat from the middle of an inner pipe and the fixed piece so as to remove expansion locking between the inner pipe and the fixed piece. As the expansion piece movably sleeved on the outer peripheral wall of the inner pipe is inserted between the inner pipe and the fixed piece for expansion locking of the inner pipe and the fixed piece, the inner pipe and an outer pipe are effectively locked, and the total length of the extension pipe is invariable; when the total length of the extension pipe needs to be adjusted, the unlocking mechanism can push the expansion piece to retreat from the middle of the inner pipe and the fixed piece so as to remove expansion locking between the inner pipe and the fixed piece; and at this time, users can randomly adjust the total length of the extension pipe.

The invention belongs to the field of an engineering joint component, and concretely discloses a push and press fastening type female head locking adjustable core joint and an assembled building component. The push and press fastening type female head locking adjustable core joint comprises a female clamp joint module and a male insertion joint module which are respectively and fixedly arranged inthe assembled building component, wherein the female clamp joint module comprises a steel pipe and a horn tail part; the steel pipe is fixedly connected with the horn tail part; a plurality of stop valves are also arranged on the steel pipe; one end, far away from the horn tail part, of each stop valve is fixedly connected with the steel pipe; the other end of each stop valve is in a free state of extending in a direction towards the center axial line of the steel pipe; the male insertion joint module comprises a Y-shaped long threaded anchor bar, a plug pin screw bolt and a pin which are sequentially and fixedly connected; the Y-shaped long threaded anchor bar is embedded into the assembled building component; the pin is of a conical structure; and the big end surface of the conical structure is fixedly connected with the plug pin screw bolt. The function of automatic core regulation in the assembling process of the assembled building component can be realized; the splicing speed ishigh; and the adaptability is high.

The invention relates to a full-automatic integrated processing machine of a video graphics array (VGA) interface. The full-automatic integrated processing machine comprises a rack and a power distribution control box, wherein a transmission groove is formed in the rack and is matched with a product, a clamping device, a bolt loading device and a bolt locking device are arranged at a left part of the transmission groove and are matched with one another, an upper bending device and a lower bending device are arranged at a right part of the transmission groove and are matched, detection devices are arranged at a left side of the upper bending device and a right side of the lower bending device, the upper bending device comprises an upper bending air cylinder, an upper bending block is connected with the upper bending air cylinder and is provided with a bending inclined surface inclining at an angle of 45 degrees at an outer side, the lower bending device comprises a lower bending air cylinder, and a lower bending block is connected with the lower bending air cylinder and is provided with a bending inclined surface inclining at an angle of 45 degrees at an inner side. By the full-automatic integrated processing machine, automatic integrated processing is achieved, meanwhile, the accurate bending angle of a terminal can be ensured, detection leakage is prevented, and the processing efficiency is improved.

The invention discloses a universal test fixture for surface-mounted two-pole components, which includes a front and rear sliding positioning slider, an elastic test probe module and a pull-out base plate. The screw and nut set at the bottom drive the two sliding bodies to move towards each other, and there is a movable pull-out bottom plate near the bottom. The test probe module includes elastically expandable left test probes and right test probes placed facing each other. In the present invention, the device under test is placed in a variable placement slot, and the rapid replacement and testing of the device under test can be realized through the fastening of the elastic test probe and the detachment of the drawing bottom plate, and the variable two sliders And the elastic pressure rod can realize the test of different specifications of the device under test, greatly improve the test efficiency and test accuracy, and also has the characteristics of simple structure, convenient operation and use, and low price.

The invention provides a positioning device for accurately positioning a fuel rod replacing tool on an extracted fuel rod. The positioning device comprises a positioning plate matched with the length and the width of lattice cells distributed in a*a array, and the positioning plate is provided with p positioning holes. The number of the positioning holes is 1 / 4 of the number of the fuel rods; andafter each installation, the 1 / 4 fuel rods can be accurately positioned, all the fuel rods are installed for four times to finally cover all the fuel rod lattice cells, and the positioning times of each fuel rod is only one times. By adjusting different installation directions of the positioning plate in the positioning device, the fuel rod replacing tool is accurately positioned on the extractedfuel rod, and the purpose of accurate positioning is fulfilled.

The invention provides an automatic drilling equipment, which includes a magnetic drill, which is arranged on a sliding table in a liftable manner, and the sliding table is connected with a multi-stage mechanical arm capable of translating and rotating, and the multi-stage mechanical arm is fixed on the control automatic drilling equipment. On the movable control cabinet. The present invention enables the magnetic drill to move up and down through the setting of the slide table, and enables the magnetic drill to rotate along the horizontal direction through the setting of the mechanical arm, thereby enabling the magnetic drill to realize the need for drilling holes at any position within a certain range. That is, through the setting of the automatic drilling equipment of the present invention, it is more convenient to automatically perform drilling operations on required positions.

The invention relates to continuous nut tightening equipment for automatic assembly of a distribution cabinet, which comprises a first conveying mechanism, a second conveying mechanism, a combined mounting mechanism and an automatic nut tightening mechanism, wherein the first conveying mechanism includes a left conduction transporting assembly a and a right transporting assembly a; the second conveying mechanism includes a left transporting assembly b and a right transporting assembly b; the combined mounting mechanism includes an upwarping assembly, a positioning assembly a and a positioningassembly b, the upwarping assembly is arranged between the left transporting assembly a and the right transporting assembly a, and the positioning assembly a and the positioning assembly b are respectively installed on the left transporting assembly a and the right transporting assembly a and are symmetrically arranged along the length direction of the upwarping assembly; and the automatic nut tightening mechanism includes a lifting assembly, tightening assemblies and limiting assemblies, the lifting assembly is arranged at the output end of the upwarping assembly, the tightening assemblies are symmetrically arranged at two sides of the upwarping assembly and are installed on the upwarping assembly, and the limiting assemblies are arranged at the front sides of the tightening assemblies and are in intermittent contact with the tightening assemblies. The continuous nut tightening equipment solves a technical problem that the machine needs to stop to tighten screws when a zero line is assembled with a switch and a wiring board and cannot carry out continuous assembly work.

The invention discloses a locking mechanism for a transmission device, and relates to locking mechanisms. The locking mechanism for the transmission device solves the problems that an existing transmission device uses friction and pressure for locking, so that locking is not rapid, and the locking position is not accurate or stable. Through holes and grooves are formed in each side wall of inverted-U-shaped steel from the bottom end to the opening end. One end of a pull rod is arranged in a U-shaped groove of the inverted-U-shaped steel, and the other end of the pull rod penetrates through a bottom plate of the inverted-U-shaped steel, a spring and an upper fixing plate to be exposed out of the upper fixing plate. A hexagon locking section is arranged in the middle of a transmission shaft, the transmission shaft is horizontally arranged, and the hexagon locking section is placed in the U-shaped groove. The length s of the hexagon locking section is smaller than the width b of the through holes, and the circumscribed circle diameter of the hexagon locking section is smaller than the length a of the through holes. Two inverted-L-shaped guide plates are symmetrically arranged on the two sides of the inverted-U-shaped steel, the long edge plate of the inverted-L-shaped guide plates makes contact with the side wall of the inverted-U-shaped steel adjacent to the long edge plate, and the short edge plate of the inverted-L-shaped guide plates is connected with the upper fixing plate through a connecting component. The locking mechanism is used for transmission devices.

The present invention relates to a seat armrest device (100), in particular to a vehicle seat, comprising an armrest (1) and an armrest support (3) pivotally connected to the armrest (1) through a bearing shaft (2), the The armrest device (100) further comprises a locking and adjusting device (4) for setting the relationship between the armrest (1) and the armrest support (3) at the position of use The inclination angle is also used to fold down the armrest (1) from the use position to the non-use position, wherein the locking and adjustment device (4) is installed so that it is in the armrest (1) the rotating element (6) in the housing (5) of the the inclination angle.

This invention relates to an applique shuttle box on a horizontal braider including a box, an outside cover plate, an inside cover plate, an anti-bumping device, a locking device and a yarn nozzle moving device, in which, the anti-bumping device and the locking device are set at the top and middle of the box, the nozzle moving device is set at the top of the outside of the box and right and left center, the outside and internal cover plates are connected with the outside and inside of the box, in which, the locking device is composed of two clamp pins, two release springs, two locking levers, a drive lever and a pair of incomplete gears, said nozzle device is composed of a drive plate, a leaf spring, a nozzle fixing plate, a spacing swing block and a spacing unit. Advantage: 1, the small transverse diameter of the shuttle box reduces idle running and increases weaving efficiency, 2, the location of the box is accurate and stable since the locking and the guide way are not coplanary, 3, light actions of locking and loosing, 4, simple structure of the devices in the box.