CN211778431U

CN211778431U - Bolt capable of preventing falling off

Info

Publication number: CN211778431U
Application number: CN201922414075.5U
Authority: CN
Inventors: 陈虹甸
Original assignee: Sichuan Aen Aviation Metal Equipment Co ltd
Current assignee: Sichuan Aen Aviation Metal Equipment Co ltd
Priority date: 2019-12-29
Filing date: 2019-12-29
Publication date: 2020-10-27
Anticipated expiration: 2029-12-29

Abstract

The utility model discloses a prevent bolt that drops, including the screw rod, the bottom of screw rod is connected with the nut through the screw thread rotation, and the top of nut is provided with three first fastener, and the top of nut is provided with three first calorie of ball, and the bottom of screw rod is provided with three second fastener, and the bottom of screw rod is provided with three second calorie of ball, between first fastener and the first calorie of ball and crisscross distribution between second fastener and the second calorie of ball, and three first mounting groove has been seted up to the inside of nut, and first spout has all been seted up to the inside of nut and the both sides that are located first mounting groove. The utility model discloses a cooperation between screw rod and the nut is realized fixed to the machine, is used for increasing the stability between nut and the machine through the cooperation between first fastener and the first calorie of ball, realizes fixing between screw rod and the machine through setting up the cooperation between second fastener and the second calorie of ball, has solved current bolt simultaneously and has come off when using and lead to taking place dangerous problem.

Description

Bolt capable of preventing falling off

Technical Field

The utility model relates to a bolt technical field specifically is a prevent bolt that drops.

Background

Bolt: mechanical parts, the cylindrical threaded fastener with nut, a fastener composed of a head and a screw (a cylinder with external thread), need to be matched with the nut for fastening and connecting two parts with through holes, and this connection form is called bolt connection, if the nut is screwed off from the bolt, the two parts can be separated, so the bolt connection belongs to detachable connection.

The machine need fix it with the bolt when the equipment, because the vibrations of machine lead to becoming flexible between screw rod and the nut, can lead to screw rod and nut to drop for a long time to lead to taking place danger, be unfavorable for production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent bolt that drops possesses the advantage that can effectually prevent to drop between bolt and the nut, has solved current bolt and has come off when using and lead to taking place dangerous problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bolt that prevents to drop, includes the screw rod, the bottom of screw rod is connected with the nut through the screw thread rotation, the top of nut is provided with three first fastener, the top of nut is provided with three first calorie of ball, the bottom of screw rod is provided with three second fastener, the bottom of screw rod is provided with three second card ball.

Preferably, the first clamping pieces and the first clamping balls are distributed in a staggered mode, and the second clamping pieces and the second clamping balls are distributed in a staggered mode.

Preferably, three first mounting groove has been seted up to the inside of nut, first spout has all been seted up to the inside of nut and the both sides that are located first mounting groove, the inside sliding connection of first spout has first slider, first card ball and first mounting groove sliding connection, fixed connection between first slider and the first card ball, the bottom of first card ball is provided with first spring, the bottom of first spring and the bottom fixed connection of first mounting groove.

Preferably, three second mounting groove has been seted up to the inside of screw rod, the inside of screw rod and the both sides that are located the second mounting groove have all seted up the second spout, the inside sliding connection of second spout has the second slider, second card ball and second mounting groove sliding connection, second slider and second card ball fixed connection, the top of second card ball is provided with the second spring, the top of second spring and the top fixed connection of second mounting groove.

Preferably, a second groove and a first groove are formed in the tops of the screw rod and the nut respectively, and a second clamping piece and a first clamping piece are fixedly mounted inside the second groove and the first groove respectively.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a cooperation between screw rod and the nut is realized fixed to the machine, is used for increasing the stability between nut and the machine through the cooperation between first fastener and the first calorie of ball, realizes fixing between screw rod and the machine through setting up the cooperation between second fastener and the second calorie of ball, has solved current bolt simultaneously and has come off when using and lead to taking place dangerous problem.

2. The utility model is beneficial to the even stress between the screw rod and the nut and the machine by arranging the first clamping piece and the first clamping ball and the second clamping piece and the second clamping ball in a staggered distribution, thereby ensuring that the bolt can not loosen, realizing the fixation of the first clamping ball through the matching between the first chute and the first slide block, so that the first clamping ball can not deviate to ensure the stability of the nut, the first spring is arranged to ensure the repulsive force between the nut and the machine, thereby ensuring that the screw cap cannot be loosened, realizing the fixation of the second clamping ball by arranging the second sliding chute and the second sliding block, so that the second clamping ball can not deviate to ensure the stability of the screw rod, the second spring is arranged to ensure the repulsive force between the first spring and the machine, thereby guarantee that the screw rod can not lead to becoming flexible because of the machine vibrations, realize accomodating first fastener and second fastener through the cooperation between first recess and the second recess.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the nut of the present invention;

FIG. 3 is a schematic view of the screw rod of the present invention;

FIG. 4 is a schematic cross-sectional view of the nut of the present invention;

fig. 5 is a schematic view of the cross-sectional structure of the screw of the present invention.

In the figure: 1. a screw; 2. a nut; 3. a first clip member; 4. a first ball retainer; 5. a second clip member; 6. a second ball; 7. a first mounting groove; 8. a first spring; 9. a first chute; 10. a first slider; 11. a first groove; 12. a second spring; 13. a second chute; 14. a second slider; 15. a second mounting groove; 16. a second groove.

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.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-5, a bolt for preventing falling comprises a screw rod 1, a nut 2 is rotatably connected to the bottom of the screw rod 1 through threads, three first clamping members 3 are arranged at the top of the nut 2, three first clamping balls 4 are arranged at the top of the nut 2, three second clamping members 5 are arranged at the bottom of the screw rod 1, three second clamping balls 6 are arranged at the bottom of the screw rod 1, the machine is fixed through the cooperation between the screw rod 1 and the nut 2, the stability between the nut 2 and the machine is increased through the cooperation between the first clamping members 3 and the first clamping balls 4, the screw rod 1 and the machine are fixed through the cooperation between the second clamping members 5 and the second clamping balls 6, the first clamping members 3 and the first clamping balls 4 and the second clamping members 5 and the second clamping balls 6 are distributed in a staggered manner, and the first clamping members 3 and the first clamping balls 4 and the second clamping members 5 and the second clamping balls 6 are distributed in a staggered manner, the screw rod 1, the nut 2 and a machine are uniformly stressed, so that the bolt can be ensured not to loosen, three first mounting grooves 7 are formed in the nut 2, first sliding grooves 9 are formed in the nut 2 and positioned on two sides of the first mounting grooves 7, first sliding blocks 10 are connected in the first sliding grooves 9 in a sliding manner, first clamping balls 4 are connected with the first mounting grooves 7 in a sliding manner, the first sliding blocks 10 are fixedly connected with the first clamping balls 4, first springs 8 are arranged at the bottoms of the first clamping balls 4, the bottoms of the first springs 8 are fixedly connected with the bottoms of the first mounting grooves 7, the first clamping balls 4 are fixed through matching between the first sliding grooves 9 and the first sliding blocks 10, so that the first clamping balls 4 cannot deviate and the stability of the nut 2 is ensured, the first springs 8 are arranged to ensure repulsive force between the nut 2 and the machine, so that the nut 2 cannot loosen, three second mounting grooves 15 are formed in the screw 1, second sliding grooves 13 are formed in the screw 1 and located on two sides of each second mounting groove 15, a second sliding block 14 is connected to the inside of each second sliding groove 13 in a sliding manner, a second clamping ball 6 is connected to each second mounting groove 15 in a sliding manner, each second sliding block 14 is fixedly connected to each second clamping ball 6, a second spring 12 is arranged on the top of each second clamping ball 6, the top of each second spring 12 is fixedly connected to the top of each second mounting groove 15, the second clamping ball 6 is fixed by the aid of the second sliding grooves 13 and the second sliding blocks 14 in a matching manner, so that the second clamping balls 6 cannot deviate to ensure stability of the screw 1, the second springs 12 are arranged to ensure repulsive force between the first springs 8 and a machine, the screw 1 is ensured not to be loosened due to vibration of the machine, second grooves 16 and first grooves 11 are formed in the tops of the screw 1 and the nut 2 respectively, the second clamping piece 5 and the first clamping piece 3 are fixedly mounted in the second groove 16 and the first groove 11 respectively, and the first clamping piece 3 and the second clamping piece 5 are accommodated through the matching between the first groove 11 and the second groove 16.

When in use, the first clamping part 3 and the first clamping ball 4 and the second clamping part 5 and the second clamping ball 6 are arranged in a staggered distribution, so that the uniform stress between the screw rod 1, the nut 2 and a machine is facilitated, the bolt can be ensured not to loosen, the first clamping ball 4 is fixed through the matching between the first sliding groove 9 and the first sliding block 10, the first clamping ball 4 can not deviate to ensure the stability of the nut 2, the first spring 8 is arranged to ensure the repulsive force between the nut 2 and the machine, so that the nut 2 can not loosen, the second clamping ball 6 is fixed through the matching between the second sliding groove 13 and the second sliding block 14, the second clamping ball 6 can not deviate to ensure the stability of the screw rod 1, the second spring 12 is arranged to ensure the repulsive force between the first spring 8 and the machine, so that the screw rod 1 can not loosen due to the vibration of the machine, the first clip piece 3 and the second clip piece 5 are accommodated by the cooperation between the first groove 11 and the second groove 16.

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 prevent bolt that drops, includes screw rod (1), its characterized in that: the bottom of screw rod (1) is connected with nut (2) through the screw thread rotation, the top of nut (2) is provided with three first fastener (3), the top of nut (2) is provided with three first calorie of ball (4), the bottom of screw rod (1) is provided with three second fastener (5), the bottom of screw rod (1) is provided with three second card ball (6).

2. A drop-preventing bolt as defined in claim 1, wherein: the first clamping pieces (3) and the first clamping balls (4) and the second clamping pieces (5) and the second clamping balls (6) are distributed in a staggered mode.

3. A drop-preventing bolt as defined in claim 1, wherein: three first mounting groove (7) have been seted up to the inside of nut (2), first spout (9) have all been seted up to the inside of nut (2) and the both sides that are located first mounting groove (7), the inside sliding connection of first spout (9) has first slider (10), first calorie of ball (4) and first mounting groove (7) sliding connection, fixed connection between first slider (10) and first calorie of ball (4), the bottom of first calorie of ball (4) is provided with first spring (8), the bottom of first spring (8) and the bottom fixed connection of first mounting groove (7).

4. A drop-preventing bolt as defined in claim 1, wherein: three second mounting groove (15) have been seted up to the inside of screw rod (1), second spout (13) have all been seted up to the inside of screw rod (1) and the both sides that are located second mounting groove (15), the inside sliding connection of second spout (13) has second slider (14), second card ball (6) and second mounting groove (15) sliding connection, second slider (14) and second card ball (6) fixed connection, the top of second card ball (6) is provided with second spring (12), the top of second spring (12) and the top fixed connection of second mounting groove (15).

5. A drop-preventing bolt as defined in claim 1, wherein: a second groove (16) and a first groove (11) are formed in the tops of the screw rod (1) and the nut (2) respectively, and a second clamping piece (5) and a first clamping piece (3) are fixedly mounted inside the second groove (16) and the first groove (11) respectively.