CN216812478U - A wedge tooth non-slip self-tightening screw - Google Patents

Abstract

A wedge-shaped tooth anti-skid self-tightening screw relates to the related field of bolts, and includes a nut, wherein a sliding space is arranged in the nut, and limit sliders are arranged symmetrically on the left and right sides of the nut, and each limit The sliders are respectively fixed with miniature magnets, and each limit slider is connected with the nut with a miniature spring. A snap-in plate is slidably arranged in the sliding space, and the front and rear of the sliding space are symmetrical. A sliding slot is provided in the sliding space, a top plate is slidably arranged in the sliding space, and limit sliding rods are fixed and fixed symmetrically in the front and rear of the top plate, and each of the limiting sliding rods is slidably connected with the sliding grooves, so the An elastic spring is connected between the clip-in plate and the top plate, and the ejector block is pushed up by the dome top block, so that the ejector block moves, so that the ejector block is pushed against the hole wall , so that the undulating surface of the ejector block is used to increase the friction force, so that the bolts are fixed more firmly.

Description

A wedge tooth non-slip self-tightening screw

technical field

The utility model relates to the bolt-related field, in particular to a wedge-shaped tooth anti-skid self-tightening screw.

Background technique

Bolts are tools that use the physical and mathematical principles of the inclined plane circular rotation and friction of objects to gradually tighten the parts of objects. Bolts are often used in some machinery, and these machinery will vibrate during use. As a result, the bolts are shaken loose, and the bolts fall off, so that the machine is in danger during use.

Utility model content

The purpose of the present invention is to provide a wedge-shaped tooth anti-skid self-tightening screw to solve the problems raised in the above background technology.

The utility model solves its technical problems by adopting the following technical solutions:

A wedge-shaped tooth anti-skid self-tightening screw includes a nut, a sliding space is arranged in the nut, and limit sliders are arranged symmetrically on the left and right sides of the nut, and each limit slider is respectively fixed in A miniature magnet is provided, a miniature spring is connected between each limit slider and the nut, a snap-in plate is slid in the sliding space, and a chute is symmetrically arranged in the front and rear of the sliding space , a top plate is slidably arranged in the sliding space, and limit slide bars are fixed symmetrically in the front and rear of the top plate, each of the limit slide bars is slidably connected with the chute respectively, and the snap-in plate is connected to the An elastic spring is connected between the top plates, and the clip-in plate is installed in the sliding space, so that the clip-in plate is held by the two limit sliders. When the clip-in plate needs to be taken out When the plate is installed, a ring magnet is used to cover the nut, so that the micro magnet is attracted by the ring magnet, so that the limit slider moves, so that the limit slider is separated from the card master and the card. into the board.

Preferably, there are four push-up spaces symmetrically arranged in the nut, front and rear, left and right, each of the push-up spaces is respectively fixed with a sliding rod plate, and each of the sliding rod plates is respectively slidably provided with a push-up space. A sliding bar, each of the ejecting sliding bars is respectively fixedly connected to the top plate, each ejecting space is slidably provided with an ejecting ball, and each of the ejecting balls is respectively connected to the ejecting sliding bar abutting between them, and a compression spring is connected between each of the jacking balls and the slide bar plate, so that when the nut is screwed into the object, the jacking ball is pushed into the into the pushing space, so that the pushing ball pushes the pushing sliding rod, so that the top plate is pushed up.

Preferably, a screw is fixed in the nut, a driving space is arranged in the screw, a driven sliding rod is slidably arranged in the driving space, and the driven sliding rod is fixedly connected with the top plate, The movement of the top plate causes the driven sliding rod to move.

Preferably, a stabilizing block is fixed symmetrically up and down in the driving space, the stabilizing block is slidably connected with the two driven sliding bars, and three circular platforms are fixed symmetrically up and down in the driven sliding bar. top block.

Preferably, the screw rods are provided with six moving sliders symmetrically on the left and right, and each of the moving sliders is respectively provided with an ejector block, and each of the ejection blocks is connected with the screw rod respectively. An ejector spring, each of the ejection blocks abuts against the dome top block respectively, when the driven sliding rod moves upward, the dome top block moves upward, so that the dome top block tops Move the ejector block, so that the ejector block moves, so that the ejector block pushes against the hole wall, so that the undulating surface of the ejector block is used to increase the friction force, so that the bolt is fixed more firmly .

Preferably, an anti-slant sliding sleeve is fixed in the driving space, and the driven sliding rod and the anti-slant sliding sleeve are slidably connected.

The advantages and positive effects of the present utility model are:

1. The utility model pushes the ejector block through the dome top block, so that the ejector block moves, so that the ejector block pushes against the hole wall, so as to utilize the undulating shape of the ejector block. The surface increases friction, which makes the bolts more secure.

2. The utility model uses the anti-slope sliding sleeve to prevent the driven sliding rod from tilting when sliding, which reduces the damage rate of the bolt during use and greatly increases the service life of the bolt.

Description of drawings

The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a kind of wedge-shaped tooth anti-skid self-tightening screw of the present utility model as a whole and a schematic front view of the structure;

Fig. 2 is the cross-sectional view of the utility model along A-A in Fig. 1;

Fig. 3 is the enlarged view of the place B in Fig. 2 of the utility model;

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

The symbols in the drawings are described as follows: 11, screw; 13, push space; 14, sliding space; 15, snap-in plate; 16, top plate; 17, limit slide bar; 18, push ball; 19, slide bar plate; 20, top sliding rod; 22, driving space; 23, stabilizer block; 24, anti-slope sliding sleeve; 25, driven sliding rod; 26, ejector block; 27, dome top block; 28, remove the slider ; 29, limit slider; 30, miniature magnet; 31, chute.

Detailed ways

The present utility model will now be described in further detail in conjunction with the accompanying drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.

Below in conjunction with Fig. 1-4, the present utility model will be described in detail, wherein, for the convenience of description, the orientations mentioned below are now specified as follows: the up, down, left, right, front, and rear directions mentioned below are consistent with the front, back, left, right, up, and down directions of the view direction of Fig. 1, FIG. 1 is a front view of the device of the present invention, and the direction shown in FIG. 1 is consistent with the front, rear, left, right, up, and down directions of the front view of the device of the present invention.

Below in conjunction with accompanying drawing, the utility model embodiment is described in further detail:

Please refer to FIGS. 1-4 , an embodiment provided by the present invention: a wedge-shaped tooth non-slip self-tightening screw, including a nut 10 , a sliding space 14 is provided in the nut 10 , and the nut 10 is provided with a sliding space 14 . The left-right symmetrical sliding is provided with limit sliders 29 , each limit slider 29 is respectively fixed with a micro magnet 30 , and each limit slider 29 is connected with the nut 10 respectively with a micro magnet 30 . A spring, the sliding space 14 is slidably provided with a snap-in plate 15, the sliding space 14 is provided with a chute 31 symmetrically in the front and rear, and the sliding space 14 is slidably provided with a top plate 16, and the top plate 16 is symmetrical in the front and rear There is a limit slide bar 17 for fixing, each of the limit slide bars 17 is slidably connected with the chute 31, and a spring spring is connected between the snap-in plate 15 and the top plate 16, The snap-in plate 15 is installed in the sliding space 14, so that the snap-in plate 15 is caught by the two limit sliders 29. When the snap-in plate 15 needs to be taken out, a ring magnet is used to cover it. On the nut 10 , the micro magnets 30 are attracted by the ring magnet, so that the limit slider 29 moves, so that the limit slider 29 is separated from the card holder and the card insertion plate 15 . .

In addition, in an embodiment, the nut 10 is provided with four pushing spaces 13 symmetrically in front, rear, left and right, each pushing space 13 is respectively fixed with a sliding rod plate 19, and each The sliding rod plate 19 is respectively provided with a jacking sliding rod 20 , each of the jacking sliding rods 20 is respectively fixedly connected with the top plate 16 , and a jacking ball 18 is slidably arranged in each of the jacking space 13 . , each of the ejector balls 18 is in contact with the ejector slide bar 20 respectively, and a compression spring is connected between each of the ejector balls 18 and the slider plate 19 respectively. When the nut 10 is screwed into the object, the pushing ball 18 is pushed into the pushing space 13 , so that the pushing ball 18 pushes the pushing sliding rod 20 , thereby The top plate 16 is lifted up.

In addition, in an embodiment, a screw 11 is fixed in the nut 10 , a driving space 22 is provided in the screw 11 , and a driven sliding rod 25 is slidably provided in the driving space 22 . The movable sliding bar 25 is fixedly connected with the top plate 16 , and the movement of the top plate 16 causes the driven sliding bar 25 to move.

In addition, in an embodiment, a stabilizing block 23 is fixed symmetrically up and down in the driving space 22 , and the stabilizing block 23 is slidably connected with the two driven sliding bars 25 , and the driven sliding rods 25 are slidably connected. Three dome top blocks 27 are fixed symmetrically up and down in the rod 25 .

In addition, in an embodiment, the screw 11 is provided with six moving blocks 28 symmetrically on the left and right, and each of the moving blocks 28 is slidably provided with an ejector block 26, each of which is An ejector spring is connected between the blocks 26 and the screw rods 11 respectively, and each ejector block 26 is in contact with the dome top block 27 respectively. When the driven sliding rod 25 moves upward, all The dome top block 27 moves upward, so that the dome top block 27 pushes the ejector block 26, so that the ejector block 26 moves, so that the ejector block 26 pushes against the hole wall, thereby The undulating surface of the ejector block 26 is used to increase the frictional force, so that the bolts are fixed more firmly.

In addition, in an embodiment, an anti-slant sliding sleeve 24 is fixed in the driving space 22 , and the driven sliding rod 25 is slidably connected to the anti-slant sliding sleeve 24 .

In specific implementation, when bolts are required, the snap-in plate 15 is installed in the sliding space 14, so that the snap-in plate 15 is caught by the two limit sliders 29, and the The nut 10 is screwed into the object, so that the push ball 18 is pushed into the push space 13, so that the push ball 18 pushes the push rod 20, so that all The top plate 16 is lifted up, so that the driven sliding rod 25 moves, so that the dome top block 27 moves upward, so that the dome top block 27 pushes the ejector block 26, so that the The ejector block 26 moves, so that the ejector block 26 pushes against the hole wall, so that the undulating surface of the ejector block 26 is used to increase the frictional force, so that the bolts are fixed more firmly. When the card needs to be taken out When inserting into the plate 15, a ring magnet is used to cover the nut 10, so that the micro magnet 30 is attracted by the ring magnet, so that the limit slider 29 moves, thereby making the limit slider 29 Detach the clip-in board 15 from the card owner.

It should be emphasized that the embodiments described in the present utility model are illustrative rather than restrictive, so the present utility model is not limited to the embodiments described in the specific implementation manner. Other embodiments derived from the technical solution of the invention also belong to the protection scope of the present invention.

Claims (6)

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).

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