CN216922806U - Check bolt structure - Google Patents

Abstract

The utility model discloses a check bolt structure which comprises a check bolt, wherein a check assembly is arranged on the surface of the check bolt, a first thread is movably arranged on the surface of the check bolt, a check nut is movably arranged on the surface of the first thread, and a limit groove is formed in the check bolt close to the top end. This kind of check bolt structure, in-process carrying out daily use, on the check bolt is gone into in proper order through first locking pad and second locking pad, install locknut and fix equipment on check bolt, tighten lockbolt and locknut, make second sawtooth and third sawtooth intermeshing, top joint through first sawtooth and lockbolt, carry out zonulae occludens with equipment through the fourth sawtooth, it takes place not hard up to have avoided lockbolt to receive vibrations after the fastening, replace lug connection or adopt the steel wire to run through fixed simple and crude mode that comes the restriction nut to drop.

Description

Check bolt structure

Technical Field

The utility model relates to the technical field of bolts, in particular to a check bolt structure.

Background

The bolt is a mechanical part, a cylindrical threaded fastener matched with a nut, a fastener composed of a head part and a screw (a cylinder with an external thread) is matched with the nut and used for tightly connecting two parts with through holes, the connection form is called bolt connection, if the nut is screwed off the bolt, the two parts can be separated, so the bolt connection belongs to detachable connection, the bolt has a plurality of calls, the call of each person is different, one person is called a screw, the other person is called a bolt nail, the other person is called a fastener, although the calls are so, the meanings are the same, the bolt is a general expression of the fastener, the bolt is a tool for fastening machine parts of a machine in a sequence by utilizing the physics and mathematical principles of the inclined plane circular rotation and the friction of the machine, and the bolt is used in daily life and industrial production and manufacture, the bolt is also called industrial rice, so that the application range of the bolt is wide, the bolt has electronic products, mechanical products, digital products, electric power equipment, electromechanical products and the like, the bolt has important tasks in industry, and the function of the bolt is always important as long as the industry exists on the earth.

Traditional bolt structure is comparatively simple, through nut and bolt lug connection, or adopt the steel wire to run through the simple and crude mode that fixed restriction nut drops in the one end of bolt, bolted connection structure's operational environment is generally relatively poor, easily receive external force influences such as vibration, impact, lead to bolt and nut to take place to remove, the condition that breaks away from appears, the normal use of equipment has been influenced, and suffer impact influence for a long time, take place the friction and damage between the screw thread of nut and bolt, the life of bolt has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-loosening bolt structure, which aims to solve the problems that the traditional bolt structure proposed in the background technology is simple, the nut and the bolt are directly connected, or a steel wire is adopted to penetrate and fix one end of the bolt to limit the nut to fall off in a simple and crude mode, the working environment of the bolt connection structure is generally poor, the bolt and the nut are easily influenced by external forces such as vibration, impact and the like, the bolt and the nut move and are separated, the normal use of equipment is influenced, the bolt and the nut are influenced by impact for a long time, the threads of the nut and the bolt are damaged due to friction, and the service life of the bolt is shortened.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a check bolt structure, includes check bolt, check bolt's surface is provided with locking subassembly, check bolt's surface movable mounting has first screw thread, the surface movable mounting of first screw thread has lock nut, check bolt's inside is close a top department and has seted up the spacing groove, the inside of spacing groove is provided with spacing subassembly.

Preferably, the anti-loosening assembly comprises a first anti-loosening pad and a second anti-loosening pad which are movably sleeved on the surface of the anti-loosening bolt, wherein first sawteeth and second sawteeth are respectively arranged on the surfaces of two sides of the first anti-loosening pad, and third sawteeth and fourth sawteeth are respectively arranged on the surfaces of two sides of the second anti-loosening pad.

Preferably, the second screw thread is arranged in the locknut, the first screw thread is movably connected with the second screw thread, and a friction rubber pad is fixedly arranged on the inner wall of the locknut corresponding to one side of the second screw thread.

Preferably, the limiting assembly comprises a spring fixedly installed inside the limiting groove, a movable rod is fixedly installed at one end of the spring, a sliding groove is formed in the movable rod, and one end of the spring is fixedly connected with the bottom end of the sliding groove.

Preferably, the first saw tooth and the fourth saw tooth have opposite directions of saw tooth, and the second saw tooth and the third saw tooth are meshed with each other.

Compared with the prior art, the utility model has the beneficial effects that:

this kind of check bolt structure, in-process carrying out daily use, on the check bolt is gone into in proper order through first locking pad and second locking pad, install locknut and fix equipment on lockbolt, tighten lockbolt and locknut, make second sawtooth and third sawtooth intermeshing, top joint through first sawtooth and lockbolt, carry out zonulae occludens with equipment through the fourth sawtooth, lockbolt has been avoided receiving vibrations and has taken place not hard up after the fastening, replace lug connection or adopt the steel wire to run through the simple and crude mode of fixing to restrict nut and drop, make lockbolt and locknut receive the vibration, can not break away from when external force influences such as impact, the normal use of equipment has been ensured.

This kind of check bolt structure, in the in-process of carrying out daily use, during the installation locknut, through pressing down the movable rod, the spring atress compression deformation makes the movable rod retract the spacing groove, locknut installation back, loosen the movable rod, the spring restores the normal position, prevent through the movable rod that locknut from droing, it is more firm to make locknut and lockbolt's fixed through the friction cushion, prevent that lockbolt from suffering the impact influence for a long time and leading to taking place the friction and damaging between first screw thread and the second screw thread, the life of bolt has been improved.

Drawings

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

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

FIG. 3 is a schematic view of a portion of the anti-loosening assembly of the present invention;

FIG. 4 is a schematic view of the internal structure of the spacing assembly of the present invention;

fig. 5 is a schematic view of the internal structure of the locknut of the present invention.

In the figure: 1. a lock bolt; 2. a locking assembly; 3. a first anti-loosening pad; 4. a second anti-loosening pad; 5. a first saw tooth; 6. a second saw tooth; 7. a third saw tooth; 8. a fourth saw tooth; 9. a limiting groove; 10. a limiting component; 11. a spring; 12. a movable rod; 13. a chute; 14. a first thread; 15. a second thread; 16. rubbing the rubber pad; 17. a locknut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a check bolt structure, includes check bolt 1, its characterized in that: the surface of the anti-loose bolt 1 is provided with an anti-loose assembly 2, the surface of the anti-loose bolt 1 is movably provided with a first thread 14, the surface of the first thread 14 is movably provided with an anti-loose nut 17, the position of the inner part of the anti-loose bolt 1 close to the top end is provided with a limit groove 9, the inner part of the limit groove 9 is provided with a limit assembly 10, the anti-loose assembly 2 comprises a first anti-loose pad 3 and a second anti-loose pad 4 which are movably sleeved on the surface of the anti-loose bolt 1, the two side surfaces of the first anti-loose pad 3 are respectively provided with a first sawtooth 5 and a second sawtooth 6, the two side surfaces of the second anti-loose pad 4 are respectively provided with a third sawtooth 7 and a fourth sawtooth 8, the first anti-loose pad 3 and the second anti-loose pad 4 are sequentially strung into the anti-loose bolt 1, the anti-loose bolt 1 is inserted into a bolt hole in equipment and is movably connected with the second thread 15 through the first thread 14, the anti-loose nut 17 is arranged on the anti-loose bolt 1 to fix the equipment, screw up lockbolt 1 and locknut 17, make second sawtooth 6 and third sawtooth 7 intermeshing, top joint through first sawtooth 5 and lockbolt 1, carry out zonulae occludens with equipment through fourth sawtooth 8, lockbolt 1 has been avoided receiving vibrations and taking place not hard up after the fastening, replace lug connection or adopt the steel wire to run through the simple and crude mode that fixed restriction nut drops, make lockbolt 1 and locknut 17 receive the vibration, can not break away from when external force influences such as impact, the normal use of equipment has been ensured, second screw thread 15 has been seted up to locknut 17's inside, first screw thread 14 and 15 swing joint of second screw thread, locknut 17 inner wall fixed mounting that one side of second screw thread 15 corresponds has friction rubber pad 16.

The limiting component 10 comprises a spring 11 fixedly arranged inside the limiting groove 9, one end of the spring 11 is fixedly provided with a movable rod 12, the movable rod 12 is internally provided with a sliding groove 13, one end of the spring 11 is fixedly connected with the bottom end inside the sliding groove 13, the directions of the sawteeth of the first sawteeth 5 and the fourth sawteeth 8 are opposite, the second sawteeth 6 and the third sawteeth 7 are meshed with each other, when the locknut 17 is arranged, by pressing the movable rod 12, the spring 11 is stressed to be compressed and deformed so that the movable rod 12 retracts into the limit groove 9, after the locknut 17 is installed, the movable rod 12 is loosened, the spring 11 restores to the original position, prevent locknut 17 through movable rod 12 and drop, make locknut 17 more firm with lockbolt 1's fixed through friction cushion 16, prevent that lockbolt 1 from suffering the impact influence for a long time and leading to taking place friction and damage between first screw thread 14 and the second screw thread 15, improved the life of bolt.

The working principle is as follows: when the anti-loose bolt is needed to be used, firstly, the first anti-loose pad 3 and the second anti-loose pad 4 are sequentially connected into the anti-loose bolt 1 in series, then the anti-loose bolt 1 is inserted into a bolt hole in equipment, the anti-loose nut 17 is installed on the anti-loose bolt 1 to fix the equipment through the movable connection of the first thread 14 and the second thread 15, the anti-loose bolt 1 and the anti-loose nut 17 are screwed, the second sawtooth 6 and the third sawtooth 7 are meshed with each other, the first sawtooth 5 is clamped with the top end of the anti-loose bolt 1, the fourth sawtooth 8 is tightly connected with the equipment, the anti-loose bolt 1 is prevented from being loosened due to vibration after being fastened, a simple and crude mode that the steel wire penetrates through and is fixed to limit the nut to fall off is replaced, the anti-loose bolt 1 and the anti-loose nut 17 cannot be separated when being influenced by external forces such as vibration and impact, the normal use of the equipment is ensured, when the anti-loose nut 17 is installed, through pressing down movable rod 12, spring 11 atress compression deformation makes movable rod 12 retract spacing groove 9, locknut 17 installs the back, loosen movable rod 12, spring 11 resumes the normal position, prevent locknut 17 through movable rod 12 and drop, it is more firm to make locknut 17 and lockbolt 1's fixed through friction cushion 16, prevent lockbolt 1 from suffering the impact influence for a long time and leading to taking place friction and damage between first screw 14 and the second screw 15, the life of bolt has been improved.

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. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a check bolt structure, includes check bolt (1), its characterized in that: the surface of check bolt (1) is provided with locking subassembly (2), the surface movable mounting of check bolt (1) has first screw thread (14), the surface movable mounting of first screw thread (14) has locknut (17), the inside of check bolt (1) is close a top department and has seted up spacing groove (9), the inside of spacing groove (9) is provided with spacing subassembly (10).

2. A check bolt structure according to claim 1, wherein: locking subassembly (2) including the activity cup joint first locking pad (3) and second locking pad (4) on check bolt (1) surface, first sawtooth (5) and second sawtooth (6) have been seted up respectively to the both sides surface of first locking pad (3), third sawtooth (7) and fourth sawtooth (8) have been seted up respectively to the both sides surface of second locking pad (4).

3. A check bolt structure according to claim 1, wherein: second screw thread (15) have been seted up to locknut (17) inside, first screw thread (14) and second screw thread (15) swing joint, locknut (17) inner wall fixed mounting that one side of second screw thread (15) corresponds has friction rubber pad (16).

4. A check bolt structure according to claim 1, wherein: spacing subassembly (10) include spring (11) of fixed mounting in spacing groove (9) inside, the one end fixed mounting of spring (11) has movable rod (12), spout (13) have been seted up to the inside of movable rod (12), the inside bottom fixed connection of the one end of spring (11) and spout (13).

5. A check bolt structure according to claim 2, wherein: the first saw tooth (5) and the fourth saw tooth (8) have opposite saw tooth directions, and the second saw tooth (6) and the third saw tooth (7) are meshed with each other.

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