CN216812478U

CN216812478U - Wedge tooth antiskid type self-tightening screw

Info

Publication number: CN216812478U
Application number: CN202220037436.8U
Authority: CN
Inventors: 俞天江
Original assignee: Jiaxing Dacheng Hardware Technology Co ltd
Current assignee: Jiaxing Dacheng Hardware Technology Co ltd
Priority date: 2022-01-08
Filing date: 2022-01-08
Publication date: 2022-06-24
Anticipated expiration: 2032-01-08

Abstract

A wedge-shaped tooth anti-skidding self-tightening screw relates to the related field of bolts and comprises a screw cap, wherein a sliding space is arranged in the screw cap, limit sliders are symmetrically arranged in the screw cap in a sliding mode in the left and right direction, miniature magnets are respectively and fixedly arranged in each limit slider, a miniature spring is respectively connected between each limit slider and the screw cap, a clamping plate is arranged in the sliding space in a sliding mode, sliding grooves are symmetrically arranged in the sliding space in the front and back direction, a top plate is arranged in the sliding space in a sliding mode, limit sliding rods are symmetrically and fixedly arranged in the top plate in the front and back direction, each limit sliding rod is respectively and slidably connected with the sliding grooves, an elastic spring is connected between the clamping plate and the top plate, the ejecting block is ejected through a circular truncated cone ejecting block, the ejecting block is moved, the ejecting block is ejected onto the circular truncated cone ejecting block, and friction force is increased by utilizing the fluctuated surface of the ejecting block, thereby making the bolt fastening more secure.

Description

Wedge tooth antiskid type self-tightening screw

Technical Field

The utility model relates to the related field of bolts, in particular to an anti-skidding self-tightening screw with wedge-shaped teeth.

Background

The bolt is a tool for fastening the parts of the equipment step by utilizing the physical and mathematical principles of the inclined circular rotation and the friction force of the object, and the bolt is often used on some machines, and the machines can vibrate in the using process, so that the bolt is vibrated to be loosened, the bolt is separated, and the danger is generated in the using process of the machines.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wedge-shaped tooth anti-skidding self-tightening screw to solve the problems in the background technology.

The technical problem to be solved by the utility model is realized by adopting the following technical scheme:

a wedge-shaped tooth anti-skidding type self-tightening screw comprises a screw cap, wherein a sliding space is arranged in the screw cap, limit sliders are symmetrically arranged in the screw cap in a sliding mode, miniature magnets are fixedly arranged in each limit slider respectively, miniature springs are connected between each limit slider and the screw cap respectively, a clamping plate is arranged in the sliding space in a sliding mode, sliding grooves are symmetrically arranged in the sliding space in a front-back mode, a top plate is arranged in the sliding space in the sliding mode, limit sliders are symmetrically and fixedly arranged in the top plate in the front-back mode, each limit slider is connected with the sliding grooves in a sliding mode respectively, an elastic spring is connected between the clamping plate and the top plate, the clamping plate is installed in the sliding space, so that the clamping plate is clamped by the two limit sliders, and when the clamping plate needs to be taken out, the screw cap is sleeved on the screw cap through an annular magnet, and the miniature magnet is attracted by the annular magnet, so that the limiting slide block moves, and the limiting slide block is separated from the card main card-entering plate.

Preferably, four jacking spaces are symmetrically arranged in the nut in a front-back and left-right manner, a sliding rod plate is fixedly arranged in each jacking space, a jacking sliding rod is slidably arranged in each sliding rod plate, each jacking sliding rod is fixedly connected with the top plate, a jacking ball is slidably arranged in each jacking space, each jacking ball is abutted against the jacking sliding rods, a pressing spring is connected between each jacking ball and the sliding rod plate, and when the nut is screwed into an object, the jacking balls are jacked into the jacking spaces, so that the jacking sliding rods are jacked by the jacking balls, and the top plate is jacked.

Preferably, a screw is fixedly arranged in the nut, a driving space is arranged in the screw, a driven slide rod is arranged in the driving space in a sliding mode, the driven slide rod is fixedly connected with the top plate, and the top plate moves to enable the driven slide rod to move.

Preferably, the driving space is fixed with stabilizing blocks which are vertically symmetrical, the stabilizing blocks are connected with the two driven slide bars in a sliding manner, and the driven slide bars are fixedly provided with three circular truncated cone top blocks which are vertically symmetrical.

Preferably, six moving-out sliding blocks are symmetrically arranged in the screw rod in a left-right mode, each moving-out sliding block is internally provided with an ejection block in a sliding mode, each ejection block is connected with an ejection spring between each ejection block and the screw rod, each ejection block is abutted to the circular truncated cone top block, and when the driven sliding rod moves upwards, the circular truncated cone top blocks move upwards, so that the circular truncated cone top blocks eject the ejection blocks, the ejection blocks move, the ejection blocks are ejected to the hole wall, friction force is increased by means of the fluctuant surfaces of the ejection blocks, and accordingly bolts are fixed more firmly.

Preferably, an anti-oblique sliding sleeve is fixedly arranged in the driving space, and the driven sliding rod is in sliding connection with the anti-oblique sliding sleeve.

The utility model has the advantages and positive effects that:

1. according to the utility model, the ejection block is pushed by the circular truncated cone ejection block, so that the ejection block moves, the ejection block is pushed to the hole wall, and the friction force is increased by utilizing the fluctuant surface of the ejection block, so that the bolt is more firmly fixed.

2. According to the utility model, the driven sliding rod is prevented from inclining when sliding through the inclination-preventing sliding sleeve, so that the damage rate of the bolt in use is reduced, and the service life of the bolt is greatly prolonged.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of a wedge-shaped anti-slip self-tightening screw of the present invention in a front view in full section;

FIG. 2 is a sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of the utility model at B of FIG. 2;

FIG. 4 is an enlarged view of the utility model at C in FIG. 2.

The scores in the figures are as follows: 11. a screw; 13. jacking space; 14. a sliding space; 15. a card-in board; 16. a top plate; 17. a limiting slide bar; 18. pushing the ball; 19. a slider plate; 20. pushing the sliding rod; 22. a driving space; 23. a stabilizing block; 24. an anti-tilt sliding sleeve; 25. a driven slide bar; 26. ejecting a block; 27. a circular truncated cone top block; 28. moving out the slide block; 29. a limiting slide block; 30. a micro magnet; 31. a chute.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

The utility model will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, front and rear directions described below correspond to the front, back, left, right, top and bottom directions of the view direction of fig. 1, fig. 1 is a front view of the apparatus of the present invention, and the directions shown in fig. 1 correspond to the front, back, left, right, top and bottom directions of the apparatus of the present invention.

The embodiments of the utility model will be described in further detail below with reference to the accompanying drawings:

referring to fig. 1-4, an embodiment of the present invention is shown: a wedge-tooth anti-skid self-tightening screw comprises a screw cap 10, wherein a sliding space 14 is arranged in the screw cap 10, limit sliders 29 are symmetrically arranged in the screw cap 10 in a sliding mode, micro magnets 30 are fixedly arranged in each limit slider 29, a micro spring is connected between each limit slider 29 and the screw cap 10, a clamping plate 15 is arranged in the sliding space 14 in a sliding mode, sliding grooves 31 are symmetrically arranged in the sliding space 14 in a front-back mode, a top plate 16 is arranged in the sliding space 14 in a sliding mode, limit sliders 17 are symmetrically arranged in the top plate 16 in a front-back mode, each limit slider 17 is connected with the corresponding sliding groove 31 in a sliding mode, an elastic spring is connected between the clamping plate 15 and the top plate 16, the clamping plate 15 is installed in the sliding space 14, and therefore the clamping plate 15 is clamped by the two limit sliders 29, when the card-in plate 15 needs to be taken out, the ring magnet is sleeved on the screw cap 10, so that the micro magnet 30 is attracted by the ring magnet, the limit slide block 29 moves, and the limit slide block 29 is separated from the card main body and the card-in plate 15.

In addition, in one embodiment, four ejecting spaces 13 are symmetrically arranged in the nut 10 in a front-back and left-right direction, a sliding bar plate 19 is fixedly arranged in each ejecting space 13, an ejecting sliding bar 20 is slidably arranged in each sliding bar plate 19, each ejecting sliding bar 20 is fixedly connected with the top plate 16, an ejecting ball 18 is slidably arranged in each ejecting space 13, each ejecting ball 18 abuts against the ejecting sliding bar 20, a pressing spring is connected between each ejecting ball 18 and the sliding bar plate 19, and when the nut 10 is screwed into an object, the ejecting ball 18 is ejected into the ejecting space 13, so that the ejecting ball 18 ejects the ejecting sliding bar 20, and the top plate 16 is ejected.

In addition, in an embodiment, a screw 11 is fixedly disposed in the nut 10, a driving space 22 is disposed in the screw 11, a driven slide rod 25 is slidably disposed in the driving space 22, the driven slide rod 25 is fixedly connected to the top plate 16, and the top plate 16 moves, so that the driven slide rod 25 moves.

In addition, in an embodiment, the driving space 22 is provided with stabilizing blocks 23 fixed thereon in a vertically symmetrical manner, the stabilizing blocks 23 are slidably connected with two driven slide bars 25, and the driven slide bars 25 are provided with three truncated cone top blocks 27 fixed thereon in a vertically symmetrical manner.

In addition, in an embodiment, six removing sliders 28 are symmetrically arranged in the screw rod 11, each removing slider 28 is provided with an ejecting block 26 in a sliding manner, an ejecting spring is connected between each ejecting block 26 and the screw rod 11, each ejecting block 26 abuts against the circular truncated cone ejecting block 27, when the driven slide rod 25 moves upwards, the circular truncated cone ejecting block 27 ejects the ejecting block 26, the ejecting block 26 moves, the ejecting block 26 abuts against the hole wall, and accordingly, the surface of the protruding block 26 which undulates is utilized to increase friction, and therefore, the bolt is fixed more firmly.

In addition, in an embodiment, an anti-tilting sliding sleeve 24 is fixedly arranged in the driving space 22, and the driven sliding rod 25 is slidably connected with the anti-tilting sliding sleeve 24.

In specific implementation, when a bolt is required to be used, the clamping plate 15 is installed in the sliding space 14, so that the clamping plate 15 is clamped by the two limit sliders 29, the nut 10 is screwed into an object, so that the jacking ball 18 is jacked into the jacking space 13, so that the jacking ball 18 jacks the jacking slide bar 20, so that the top plate 16 is jacked up, so that the driven slide bar 25 moves, so that the circular truncated cone jacking block 27 moves upwards, so that the circular truncated cone jacking block 27 jacks the jacking block 26, so that the jacking block 26 moves, so that the jacking block 26 jacks the hole wall, so that the friction force is increased by the fluctuated surface of the jacking block 26, so that the bolt is more firmly fixed, when the clamping plate 15 is required to be taken out, a ring magnet is sleeved on the nut 10, so that the micro-magnet 30 is attracted by the ring magnet to move the stopper slider 29, thereby disengaging the stopper slider 29 from the card holder and the card-entering plate 15.

It should be emphasized that the embodiments described herein are illustrative rather than restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but other embodiments derived from the technical solutions of the present invention by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides a wedge tooth antiskid type self-tightening screw, includes nut (10), its characterized in that: be equipped with in nut (10) slip space (14), bilateral symmetry's slip is equipped with limit slider (29) in nut (10), every fixed miniature magnet (30) that is equipped with respectively in limit slider (29), every limit slider (29) respectively with be connected with miniature spring between nut (10), slip in slip space (14) is equipped with card income board (15), slip space (14) in the front and back symmetry be equipped with spout (31), slip space (14) in the slip be equipped with roof (16), the fixed of front and back symmetry is equipped with limit slide bar (17) in roof (16), every limit slide bar (17) respectively with sliding connection between spout (31), card income board (15) with be connected with elastic spring between roof (16).

2. The wedge tooth anti-slip self-tightening screw according to claim 1, wherein: the nut (10) is middle, and bilateral symmetry is equipped with four and pushes up and move space (13), every push up and move in the space (13) respectively fixed be equipped with slide bar board (19), every slide respectively in slide bar board (19) and be equipped with and push up and move slide bar (20), every push up move slide bar (20) respectively with roof (16) fixed connection, every it slides respectively in space (13) to push up and is equipped with and pushes up and move ball (18), every push up move ball (18) respectively with push up and move butt between slide bar (20), every push up move ball (18) respectively with be connected with between slide bar board (19) and press the spring.

3. The wedge tooth anti-slip self-tightening screw according to claim 1, wherein: the screw cap is characterized in that a screw rod (11) is fixedly arranged in the screw cap (10), a driving space (22) is arranged in the screw rod (11), a driven slide rod (25) is arranged in the driving space (22) in a sliding mode, and the driven slide rod (25) is fixedly connected with the top plate (16).

4. The wedge tooth anti-slip self-tightening screw according to claim 3, wherein: the fixed of driving the upper and lower symmetry in space (22) is equipped with stabilizing block (23), stabilizing block (23) and two sliding connection between driven slide bar (25), the fixed of upper and lower symmetry is equipped with three round platform kicking blocks (27) in driven slide bar (25).

5. The wedge tooth anti-slip self-tightening screw according to claim 4, wherein: six moving-out sliding blocks (28) are symmetrically arranged in the screw rod (11) in the left-right direction, ejection blocks (26) are respectively arranged in the moving-out sliding blocks (28) in a sliding mode, an ejection spring is connected between each ejection block (26) and the screw rod (11), and each ejection block (26) is respectively abutted to the circular truncated cone ejection block (27).

6. The wedge tooth anti-slip self-tightening screw according to claim 4, wherein: an anti-tilting sliding sleeve (24) is fixedly arranged in the driving space (22), and the driven sliding rod (25) is in sliding connection with the anti-tilting sliding sleeve (24).