8results about How to "Prevent bobbing" patented technology

The utility model discloses a kind of wire guiding devices of hosiery machine, belong to the technical field of socks processing, including the fixed component for fixing spindle, further including the moving assembly for driving yarn spindle reciprocating motion up and down, further including the adjusting component for adjusting yarn tension;The fixed component includes center tube, the center tube is inserted in yarn spindle middle and with yarn spindle sliding fit;The utility model is rotated by setting rotary disc, simple structure, it is convenient and practical, yarn spindle can be driven to rotate with center tube when external force is pulled, realize stable wire supply, and by setting adjusting component, the friction between the abutting block and rotary disc can be adjusted, so as to realize the adjustment to silk thread tension, and avoid damage to silk thread, and by setting moving assembly, yarn spindle can be driven to move up and down when wire supply, so that wire outlet position is always horizontal with wire guide ring, avoid silk thread up and down swing, simultaneously reduce the friction between silk thread and wire guide ring.

This utility model belongs to the field of trolley technology, and specifically relates to a trolley that facilitates straight-line travel. It includes a balance scooter and a trolley body, connected by a connecting frame. The connecting frame is detachably connected to the trolley body and rotatably connected to the balance scooter. The balance scooter has a positioning groove, and the connecting frame has a positioning element and an elastic element. The elastic element drives the positioning element to engage with the positioning groove, fixing the balance scooter and the connecting frame relatively, thus allowing the trolley to maintain straight-line travel or maintain a certain angle of rotation. Under external force, the positioning element can move relative to the positioning groove, allowing the balance scooter and the connecting frame to rotate relative to each other, thus enabling the trolley to turn flexibly. The purpose of this utility model is to provide a user-friendly trolley that facilitates straight-line travel.

The invention belongs to the technical field of valves, and particularly relates to a swing check valve which comprises a valve body, a rotating part is rotationally assembled on the valve body through a rotating assembly, a valve clack assembly is rotationally assembled in the rotating part through a fixing disc, the valve clack assembly can adjust the limiting direction of the flow direction of a medium according to needs, and the swing check valve further comprises a limiting assembly used for limiting the rotating part. The valve clack assembly comprises a connecting rod, the connecting rod is rotationally assembled on one side of the fixing disc, a valve clack is fixedly assembled on the connecting rod through a fixing bolt, and a damping mechanism for providing damping for the valve clack assembly is arranged on the fixing disc. Compared with the prior art, the check valve has the advantages that the material cost is reduced, the occupied space of equipment is reduced, the adjustment process is convenient, the maintenance cost is reduced, the check valve has higher flexibility and expandability, the production efficiency of enterprises is also improved, and meanwhile the reliability of a pipeline system is greatly improved due to the arrangement of the damping mechanism.

The present invention relates to the field of medical equipment, and in particular to a portable mobile device with negative pressure drainage that is beneficial to postoperative rehabilitation, comprising a walker for hand-held pushing, a sliding bracket rotatably installed at the front end of the walker, the axis of rotation of the sliding bracket extending laterally, a support plate slidably installed radially along the rotation axis of the sliding bracket, a cushion being provided on one side of the support plate, and a tray being detachably installed on the other side, and a negative pressure suction device being detachably installed on the tray; supporting components for supporting the support plate are respectively installed on the walker located at the front and rear sides of the sliding bracket, and when any supporting component supports the support plate, the support plate is in a horizontal state; the support plate is rotated forward to a horizontal state and unfolded, so that the supporting component located at the front side supports the seating surface of the support plate, so that the tray and the negative pressure suction device can be installed on the support plate, and negative pressure drainage can be continuously performed while the patient pushes the walker. The use is convenient and beneficial to the rapid rehabilitation of the patient after surgery.

The present invention provides a shearing and bending device for metal pins of precision components, comprising a feed tray, a loading assembly and a bending assembly, wherein a plurality of adsorption slots are arranged on the feed tray in a circumferential direction; the loading assembly is installed on one side of the feed tray, and is used for loading the precision components toward the adsorption slots; the bending assembly is installed on the other side of the feed tray, and the bending assembly comprises bending baffles symmetrically arranged on both sides of the feed tray and a bending support which can move back and forth, a clamping block is slidably installed on the bending support, and the clamping block can move toward the bending baffle to clamp the pin; a bending angle die is slidably installed on the bending support, one end of the bending angle die is provided with a V-shaped bending groove for limiting the pin, and the other end is provided with an inclined push surface; a top head is installed on the outer side of the bending angle die, and the top head can push the bending angle die toward the precision component through the inclined push surface; the present invention provides a shearing and bending device for metal pins of precision components, which overcomes the defect that the existing bending machine has a poor bending effect.

The invention relates to the field of medical instruments, in particular to a portable moving device with a negative pressure drainage function and beneficial to postoperative rehabilitation, which comprises a walking aid used for being pushed by hands, a sliding support is rotatably mounted at the front end of the walking aid, the rotating axis of the sliding support extends transversely, and a supporting plate is slidably mounted on the sliding support in the radial direction of the rotating axis of the sliding support. A cushion is arranged on one side of the supporting plate, a tray is detachably installed on the other side of the supporting plate, and a negative pressure aspirator is detachably installed on the tray. Bearing parts used for supporting the supporting plate are installed on the walking aids located on the front side and the rear side of the sliding support respectively, and when any bearing part supports the supporting plate, the supporting plate is in a horizontal state; when the walking aid is used, the supporting plate is rotated forwards to be in a horizontal state to be unfolded, the bearing part located on the front side supports the sitting face of the supporting plate so that the tray and the negative pressure aspirator can be conveniently installed on the supporting plate, negative pressure drainage can be continuously conducted while a patient pushes the walking aid to move, use is convenient, and rapid postoperative rehabilitation of the patient is facilitated.

The present invention relates to a bearing fixing structure and a wheel assembly including the structure, wherein the bearing fixing structure includes a wheel axle, a first bearing connected to the wheel axle, and a first clamping ring, and a dustproof structure is also connected to the outer side of the first wheel axle, and the dustproof device has a part that wraps the first bearing and / or the first clamping ring. The present invention provides a first support pad and a second support pad, and the first support pad and the second support pad both have a part that extends and can wrap the first bearing inside, thereby preventing the first bearing from being affected by dust or grass clippings, and effectively improving the service life of the first bearing.

The invention provides a vacuum manipulator and semiconductor process equipment, and relates to the technical field of semiconductor manufacturing. The vacuum manipulator comprises a quartz finger which is provided with an adsorption end and a mounting end which are opposite, and the adsorption end is provided with a vacuum adsorption port; the quartz finger is further provided with a first air channel, and the first air channel is communicated with the vacuum adsorption opening. The mounting arm is provided with a first mounting hole; the mounting end of the quartz finger is inserted into the first mounting hole; the mounting arm is further provided with at least two adjusting holes, the axial direction of the adjusting holes is perpendicular to the axial direction of the first mounting hole, and the adjusting holes are communicated with the first mounting hole. The mounting arm is further provided with a second air channel, and the second air channel communicates with the first air channel. The adjusting pieces are respectively matched with the adjusting holes; the adjusting piece is used for abutting against the surface of the quartz finger. The clamping assembly is connected with the mounting arm, and the clamping assembly is used for abutting against the surface, away from the adjusting piece, of the quartz finger.