CN209781407U

CN209781407U - Fixed-point anti-sideslip screw

Info

Publication number: CN209781407U
Application number: CN201822065109.XU
Authority: CN
Inventors: 李梅清
Original assignee: Guangzhou Longsheng Mechanical And Electrical Equipment Co Ltd
Current assignee: Guangzhou Longsheng Mechanical And Electrical Equipment Co Ltd
Priority date: 2018-12-10
Filing date: 2018-12-10
Publication date: 2019-12-13
Anticipated expiration: 2028-12-10

Abstract

The utility model discloses a fixed point sideslip prevention screw, comprising a supporting seat, symmetrical cavity has been seted up to the inside of supporting seat, the inside of cavity is equipped with first slider, the inside fixed of first slider is inlayed and is had the siphunculus, the inside cover of siphunculus is equipped with the slide bar, the both ends of slide bar all with the inside wall fixed connection of cavity, the surface winding of slide bar has powerful spring, the last fixed surface of first slider is connected with the support column, the bar through-hole has been seted up to the interior roof of cavity, the top of support column runs through the bar through-hole and extends to the outside of cavity, the top of supporting seat is equipped with first fixed plate, the below of first fixed plate is equipped with the second fixed plate, the both ends of second fixed plate all are connected with the fixed surface of support column. This screw that sideslips is prevented to fixed point can effectual realization improve the stability of screw to the fixing of screw nail, avoids the slippage phenomenon to appear in the screw.

Description

Fixed-point anti-sideslip screw

Technical Field

The utility model relates to a screw technical field specifically is a fixed point prevents screw that sideslips.

Background

The screw is a component for construction machinery, the tail end of the screw is sharp like a nail, a small cylindrical or conical metal rod is provided with a threaded component, a head with a groove or a concave groove is arranged, the screw is used independently, and different components can be connected by the screw.

In the process of tightening the screw nail at the present stage, because the bottom of the screw nail is small, the screw nail is in point contact with an operation surface, the phenomenon of sideslip is easy to occur, certain potential safety hazards exist, and therefore the fixed-point anti-sideslip screw nail is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a fixed point sideslip prevention screw has solved because the bottom of screw is less, and contact with the form of point between the operation face, the phenomenon that sideslips appears easily, has the problem of certain potential safety hazard.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a fixed-point anti-sideslip screw comprises a supporting seat, wherein symmetrical cavities are formed in the supporting seat, a first sliding block is arranged in each cavity, a through pipe is fixedly inlaid in each first sliding block, a sliding rod is sleeved in each through pipe, two ends of each sliding rod are fixedly connected with the inner side wall of each cavity, a strong spring is wound on the outer surface of each sliding rod, a supporting column is fixedly connected to the upper surface of each first sliding block, a strip-shaped through hole is formed in the inner top wall of each cavity, the top of each supporting column penetrates through each strip-shaped through hole and extends to the outside of each cavity, a first fixing plate is arranged above the supporting seat, a second fixing plate is arranged below each first fixing plate, two ends of each second fixing plate are fixedly connected with the outer surface of each supporting column, a movable rod is fixedly hinged to each second fixing plate through a first pin shaft, and two groups of symmetrical sliding chutes are formed in the, the inside joint of spout has the second slider, the second slider passes through second round pin axle and fixed articulated with the movable rod, the inside of spout is equipped with symmetrical expanding spring, the inside of first fixed plate is fixed to be inlayed and is had symmetrical first intubate of passing, the intubate is worn to the fixed symmetrical second in inside of second fixed plate, the inside cover that the intubate was worn to the second is equipped with the screw, the bottom of screw contacts with the upper surface of operating surface.

Preferably, one end of the strong spring, which is close to the first sliding block, is fixedly connected with the outer surface of the first sliding block, and one end of the strong spring, which is far away from the first sliding block, is fixedly connected with the inner side wall of the cavity.

Preferably, the lower surface of the supporting seat is in contact with an operating surface, and the supporting seat is parallel to the operating surface.

Preferably, one end of the extension spring, which is close to the second sliding block, is fixedly connected with the outer surface of the second sliding block, and one end of the extension spring, which is far away from the second sliding block, is fixedly connected with the inner side wall of the sliding groove.

Preferably, the second penetrating pipe is positioned right below the first penetrating pipe, and the diameter value of the second penetrating pipe is larger than that of the screw.

Preferably, the bottom of the first fixing plate is fixedly connected with symmetrical soft pads, and the vertical distance value of the soft pads from the supporting columns is smaller than the horizontal distance value of the second sliding blocks from the inner side wall of the sliding chute.

Preferably, the first fixing plate is parallel to the second fixing plate, and the horizontal length of the first fixing plate is greater than that of the second fixing plate.

Preferably, the vertical length value of the strong spring is smaller than that of the cavity, and the through pipe and the sliding rod are coaxial.

Preferably, the vertical length of the extension spring is smaller than that of the sliding groove, and the vertical distance from the second fixing plate to the operating surface is smaller than that of the screw.

(III) advantageous effects

The utility model provides a fixed point prevents screw that sideslips possesses following beneficial effect:

(1) this screw that sideslips is prevented to fixed point, the one end that is close to first slider through strong spring is connected with the surface fixed connection of first slider, and strong spring keeps away from the one end of first slider and the inside wall fixed connection of cavity, can effectual stability that increases strong spring, the one end that is close to the second slider through expanding spring is connected with the surface fixed connection of second slider, and expanding spring keeps away from the one end of second slider and the inside wall fixed connection of spout, can effectual stability that increases expanding spring, soft pad of bottom fixed connection through first fixed plate, can effectual realization to expanding spring's protection, avoid reaching its elasticity limit.

(2) This fixed point prevents screw that sideslips, through cavity, first slider, slide bar, cooperation setting between siphunculus and the powerful spring, can effectually make the support holder have the elasticity, avoid can't tighten the screw, through first fixed plate, second fixed plate, first intubate and the second cooperation setting of interlude between the pipe of wearing, can effectual realization be fixed to the screw, improve the stability of screw, avoid the slippage phenomenon to appear in the screw.

Drawings

FIG. 1 is a side view of the support base of the present invention;

FIG. 2 is a front view of the supporting seat of the present invention;

FIG. 3 is a cross-sectional view of the supporting seat of the present invention;

Fig. 4 is an enlarged schematic view of a structure shown in fig. 3 according to the present invention.

In the figure: the device comprises a support seat 1, a cavity 2, a second penetrating cannula 3, a support column 4, a second fixing plate 5, a first pin shaft 6, a movable rod 7, a first fixing plate 8, a sliding chute 9, a second sliding block 10, a second pin shaft 11, a telescopic spring 12, a soft pad 13, a first penetrating cannula 14, an operation surface 15, a first sliding block 16, a through pipe 17, a sliding rod 18, a strong spring 19 and screws 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a fixed point screw that sideslips is prevented, including supporting seat 1, supporting seat 1 lower surface contacts has operating surface 15, and supporting seat 1 parallels with operating surface 15, can effectual assurance device's stable effect, symmetrical cavity 2 has been seted up to supporting seat 1's inside, the inside of cavity 2 is equipped with first slider 16, the inside fixed of first slider 16 is inlayed and is had siphunculus 17, the inside cover of siphunculus 17 is equipped with slide bar 18, the both ends of slide bar 18 all are connected with the inside wall fixed connection of cavity 2, the surface winding of slide bar 18 has strong spring 19, strong spring 19 is close to the one end of first slider 16 and is connected with the surface fixed of first slider 16, and strong spring 19 keeps away from the one end of first slider 16 and the inside wall fixed connection of cavity 2, can effectual increase strong spring 19's stability, reduce the wearing and tearing to strong spring 19, the upper surface fixed connection of first, the inner top wall of the cavity 2 is provided with a strip-shaped through hole, the top of the supporting column 4 penetrates through the strip-shaped through hole and extends to the outside of the cavity 2, a first fixing plate 8 is arranged above the supporting seat 1, a second fixing plate 5 is arranged below the first fixing plate 8, both ends of the second fixing plate 5 are fixedly connected with the outer surface of the supporting column 4, the second fixing plate 5 is fixedly hinged with a movable rod 7 through a first pin shaft 6, the lower surface of the first fixing plate 8 is provided with two groups of symmetrical chutes 9, a second sliding block 10 is clamped inside the chutes 9, the second sliding block 10 is fixedly hinged with the movable rod 7 through a second pin shaft 11, symmetrical telescopic springs 12 are arranged inside the chutes 9, one end of the telescopic spring 12 close to the second sliding block 10 is fixedly connected with the outer surface of the second sliding block 10, and one end of the telescopic spring 12 far away from the second sliding block 10 is, can effectively increase the stability of the expansion spring 12 and avoid the inclination phenomenon, the first symmetrical inserting pipe 14 is fixedly inlaid in the first fixing plate 8, the second symmetrical inserting pipe 3 is fixedly arranged in the second fixing plate 5, the screw 20 is sleeved in the second inserting pipe 3, the bottom of the screw 20 is contacted with the upper surface of the operating surface 15, the second inserting pipe 3 is positioned under the first inserting pipe 14, the diameter value of the second inserting pipe 3 is larger than that of the screw 20, the friction between the screw 20 and the second inserting pipe 3 can be effectively avoided, the device is ensured not to influence the tightening effect of the screw 20, the bottom of the first fixing plate 8 is fixedly connected with the symmetrical soft pad 13, and the vertical distance value of the soft pad 13 from the support column 4 is smaller than the horizontal distance value of the second slider 10 from the inner side wall of the chute 9, the protection of the expansion spring 12 can be effectively increased, avoid reaching its elastic limit, first fixed plate 8 parallels with second fixed plate 5, and the horizontal length value of first fixed plate 8 is greater than the horizontal length value of second fixed plate 5, can effectually realize fixing screw 20, guarantee screw 20's stable effect, strong spring 19's vertical length value is less than cavity 2's vertical length value, can effectually avoid strong spring 19 and cavity 2 postpartum friction, and siphunculus 17 and slide bar 18 are coaxial, can effectual friction that reduces between siphunculus 17 and the slide bar 18, telescopic spring 12's vertical length value is less than chute 9's vertical length value, and second fixed plate 5 is less than screw 20's vertical length value apart from the vertical distance value of operation face 15, can effectually avoid telescopic spring 12 and chute 9 to produce the friction, extension telescopic spring 12's life.

The working principle is as follows: under the cooperation of slide bar 18, first powerful spring 19, first slider 16 and siphunculus 17 sets up, utilize powerful spring 19's elasticity, to the damage of operation face when reducing screw 20 slope, under the cooperation of first fixed plate 8, spout 9, second slider 10, first round pin axle 6, first intubate 14 of wearing, intubate 3 is worn to the second, movable rod 7 and second round pin axle 11 sets up, utilize the elasticity of expanding spring 12, realize the device to screw 20 fixed, increase the stability of screw 20, avoid screw 20 to take place the phenomenon of sideslipping.

To sum up, the fixed-point anti-sideslip screw is fixedly connected with the outer surface of the first slider 16 through one end of the strong spring 19 close to the first slider 16, and fixedly connected with the inner side wall of the cavity 2 through one end of the strong spring 19 far away from the first slider 16, so that the stability of the strong spring 19 can be effectively increased, fixedly connected with the outer surface of the second slider 10 through one end of the telescopic spring 12 close to the second slider 10, and fixedly connected with the inner side wall of the chute 9 through one end of the telescopic spring 12 far away from the second slider 10, so that the stability of the telescopic spring 12 can be effectively increased, the protection of the telescopic spring 12 can be effectively realized through the soft cushion 13 fixedly connected with the bottom of the first fixing plate 8, the elastic limit of the telescopic spring is avoided to be reached, and the supporting seat 1 can be effectively made to have elasticity through the matching arrangement among the cavity 2, the first slider 16, the slider 18, avoid unable phenomenon of going on tighten screw 20, through first fixed plate 8, second fixed plate 5, first 14 and the second of wearing the intubate and the second of wearing to alternate the cooperation setting between the pipe 3, can effectually realize the fixed to screw 20, improve screw 20's stability, avoid screw 20 slippage phenomenon to appear.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. the utility model provides a fixed point sideslip prevention screw, includes supporting seat (1), its characterized in that: symmetrical cavity (2) is arranged in the supporting seat (1), a first sliding block (16) is arranged in the cavity (2), a through pipe (17) is fixedly embedded in the first sliding block (16), a sliding rod (18) is sleeved in the through pipe (17), two ends of the sliding rod (18) are fixedly connected with the inner side wall of the cavity (2), a strong spring (19) is wound on the outer surface of the sliding rod (18), a supporting column (4) is fixedly connected to the upper surface of the first sliding block (16), a bar-shaped through hole is arranged on the inner top wall of the cavity (2), the top of the supporting column (4) penetrates through the bar-shaped through hole and extends to the outside of the cavity (2), a first fixing plate (8) is arranged above the supporting seat (1), a second fixing plate (5) is arranged below the first fixing plate (8), two ends of the second fixing plate (5) are fixedly connected with the outer surface of the supporting column (4), second fixed plate (5) are fixed articulated through first round pin axle (6) have movable rod (7), two sets of symmetrical spout (9) have been seted up to the lower surface of first fixed plate (8), the inside joint of spout (9) has second slider (10), second slider (10) are fixed articulated through second round pin axle (11) and movable rod (7), the inside of spout (9) is equipped with symmetrical expanding spring (12), the inside fixed the inlaying of first fixed plate (8) has symmetrical first intubate (14) of passing, intubate (3) are passed to the fixed symmetrical second in inside of second fixed plate (5), the inside cover that intubate (3) were passed to the second is equipped with screw (20), the bottom of screw (20) contacts with the upper surface of operation face (15).

2. The set point anti-sideslip screw of claim 1, wherein: one end, close to the first sliding block (16), of the strong spring (19) is fixedly connected with the outer surface of the first sliding block (16), and one end, far away from the first sliding block (16), of the strong spring (19) is fixedly connected with the inner side wall of the cavity (2).

3. The set point anti-sideslip screw of claim 1, wherein: the lower surface of the supporting seat (1) is in contact with an operating surface (15), and the supporting seat (1) is parallel to the operating surface (15).

4. The set point anti-sideslip screw of claim 1, wherein: one end, close to the second sliding block (10), of the extension spring (12) is fixedly connected with the outer surface of the second sliding block (10), and one end, far away from the second sliding block (10), of the extension spring (12) is fixedly connected with the inner side wall of the sliding groove (9).

5. The set point anti-sideslip screw of claim 1, wherein: the second penetrating pipe (3) is located right below the first penetrating pipe (14), and the diameter value of the second penetrating pipe (3) is larger than that of the screw (20).

6. the set point anti-sideslip screw of claim 1, wherein: the bottom fixedly connected with of first fixed plate (8) is symmetrical soft to fill up (13), and soft fills up (13) and is less than the horizontal distance value of second slider (10) apart from spout (9) inside wall apart from the vertical distance value of support column (4).

7. The set point anti-sideslip screw of claim 1, wherein: the first fixing plate (8) is parallel to the second fixing plate (5), and the horizontal length value of the first fixing plate (8) is larger than that of the second fixing plate (5).

8. The set point anti-sideslip screw of claim 1, wherein: the vertical length value of the strong spring (19) is smaller than that of the cavity (2), and the through pipe (17) and the sliding rod (18) are coaxial.

9. The set point anti-sideslip screw of claim 1, wherein: the vertical length value of the telescopic spring (12) is smaller than that of the sliding groove (9), and the vertical distance value of the second fixing plate (5) from the operating surface (15) is smaller than that of the screw (20).