CN214788512U

CN214788512U - Anti-vibration self-locking bolt assembly

Info

Publication number: CN214788512U
Application number: CN202121557084.0U
Authority: CN
Inventors: 范艳普
Original assignee: Ningbo Hexin Standard Parts Co ltd
Current assignee: Ningbo Hexin Standard Parts Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-11-19
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses an anti-vibration self-locking bolt assembly, which relates to the technical field of bolts and comprises a bolt body, wherein two sides of the bolt body are respectively provided with a first chute, the inner side wall of the first chute is movably connected with a first slider, one end of the first slider is fixedly connected with an anti-falling frame, the inner side wall of the anti-falling frame is provided with a second chute, the inner top wall of the second chute is fixedly connected with a reset spring, one end of the reset spring is fixedly connected with a second slider, the bottom end of the second slider is fixedly connected with a fixture block, the side surface of the anti-falling frame is provided with a movable groove, the top part of the side surface of the fixture block is fixedly connected with a connecting support frame, the anti-vibration self-locking bolt assembly realizes the restriction of the self-rotation of a nut through the arrangement of the anti-falling frame, the fixture block, a clamping groove, the reset spring, a lantern ring and the nut, a self-locking structure is formed, at the moment, unless the bolt body and the nut rotate simultaneously, otherwise, the nut can not rotate relative to the bolt body, thereby avoiding the phenomenon that the bolt body is separated from the nut due to external vibration.

Description

Anti-vibration self-locking bolt assembly

Technical Field

The utility model relates to a bolt technical field specifically is an anti-vibration auto-lock bolt assembly.

Background

The bolt is a common mechanical part, a cylindrical threaded fastener matched with the nut, a fastener composed of a head part and a screw rod needs to be matched with the nut and is used for tightly connecting two parts with through holes, the nut and the bolt are connected in a rigid manner, when the connecting structure is in vibration with certain amplitude and certain frequency, the connecting structure can resonate, and vibration frequencies of the connecting pieces in the connecting structure are possibly different, so that vibration frequency differences exist among the connecting pieces, certain displacement can be generated by the connecting pieces in the connecting structure, the loosening of the connecting structure is caused, namely the connection between the nut and the bolt becomes loose.

At present, people usually set up metal elastic bulge or elastic gasket on one side of nut, utilize its structure to have certain deformability, increase the friction to strengthen nut and bolt resistance to vibration's ability, though can reduce nut and the not hard up phenomenon of bolt, the nut still has rotatability, causes the breaking away from of bolt and nut because of external vibration easily.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

Not enough to prior art, the utility model provides an anti-vibration auto-lock bolt assembly has solved the problem of proposing among the above-mentioned background art.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the bolt comprises a bolt body, first spout has all been seted up to the both sides of bolt body, the inside wall swing joint of first spout has first slider, the one end fixedly connected with anticreep frame of first slider, the second spout has been seted up to the inside wall of anticreep frame, the interior roof fixedly connected with reset spring of second spout, reset spring's one end fixedly connected with second slider, the bottom fixedly connected with fixture block of second slider, the activity groove has been seted up to the side of anticreep frame, the top fixedly connected with joint support frame of fixture block side, the one end fixedly connected with lantern ring of joint support frame, the surperficial threaded connection of bolt body has the nut, the upper surface of nut seted up with the draw-in groove of fixture block looks adaptation.

Optionally, the bolt body includes a hexagonal bolt head, and a bolt rod is fixedly connected to the middle of the lower surface of the hexagonal bolt head.

Optionally, a continuous thread section is formed in the top end of the surface of the bolt rod, an intermittent thread section is formed in the bottom end of the surface of the bolt rod, the two first sliding grooves are symmetrically arranged on two sides of the bolt rod by taking the central axis of the bolt rod as a symmetry axis, and the intermittent thread section ensures that the first sliding block has a moving space in the first sliding groove.

Optionally, the second sliding block is matched with the second sliding groove, the second sliding block is in sliding fit with the second sliding groove, and the second sliding block slides up and down in the second sliding groove to drive the clamping block to be engaged with or separated from the clamping groove.

Optionally, the second slider is elastically matched with the anti-falling frame through a return spring, and the second slider moves in a vertical direction relative to the anti-falling frame, so that the second slider is ensured to have an automatic downward resetting effect.

Optionally, the quantity of activity groove is six, and six activity grooves are the annular array and are in the side of anticreep frame, the activity groove is linked together with the second spout to for connecting the support frame provides the space of stepping down.

Optionally, the lantern ring is hollow circular ring, the lantern ring is assembled with the fixture block through the joint support frame and is an organic whole to make things convenient for personnel to control the lantern ring and can promote the fixture block and slide from top to bottom.

Advantageous effects

The utility model provides an anti-vibration auto-lock bolt assembly possesses following beneficial effect:

this anti-vibration auto-lock bolt assembly, through first spout, first slider, the anticreep frame, the fixture block, the draw-in groove, reset spring, the setting of lantern ring and nut, upwards promote the lantern ring, personnel can be with nut and bolt body threaded connection, connect the completion back, loosen the lantern ring, reset spring promotes the second slider and makes fixture block automatic re-setting, the fixture block is fixed with the draw-in groove interlock, thereby realize the restriction to the nut rotation, thereby form auto-lock structure, this moment unless bolt body rotates with the nut simultaneously, otherwise the nut can not be for bolt body rotation, thereby avoid causing the phenomenon of bolt body and nut separation because of external vibrations.

Drawings

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

FIG. 2 is a schematic view of the split structure of the present invention;

fig. 3 is a schematic view of the anti-falling frame according to the present invention;

FIG. 4 is a schematic structural view of the collar and the fixture block of the present invention;

fig. 5 is a sectional view of the anti-falling frame of the present invention.

In the figure: the bolt comprises a bolt body 1, a hexagonal bolt head 101, a bolt rod 102, a first sliding groove 2, a first sliding block 3, an anti-falling frame 4, a second sliding groove 5, a return spring 6, a second sliding block 7, a clamping block 8, a movable groove 9, a connecting support frame 10, a nut 11, a clamping groove 12 and a lantern ring 13.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: an anti-vibration self-locking bolt assembly comprises a bolt body 1, wherein two sides of the bolt body 1 are respectively provided with a first sliding groove 2, the inner side wall of the first sliding groove 2 is movably connected with a first sliding block 3, one end of the first sliding block 3 is fixedly connected with an anti-falling frame 4, the anti-falling frame 4 is a hollow sleeve, the inner diameter of the anti-falling frame 4 is slightly larger than the outer diameter of a bolt rod 102, the inner side wall of the anti-falling frame 4 is provided with a second sliding groove 5, the inner top wall of the second sliding groove 5 is fixedly connected with a reset spring 6, one end of the reset spring 6 is fixedly connected with a second sliding block 7, the bottom end of the second sliding block 7 is fixedly connected with a clamping block 8, the side surface of the anti-falling frame 4 is provided with a movable groove 9, the top of the side surface of the clamping block 8 is fixedly connected with a connecting support frame 10, one end of the connecting support frame 10 is fixedly connected with a lantern ring 13, the surface of the bolt body 1 is in threaded connection with a nut 11, the upper surface of the nut 11 is provided with a clamping groove 12 matched with the clamping block 8, the clamping block 8 is meshed and fixed with the clamping groove 12, so that a self-locking structure is formed, the nut 11 cannot rotate relative to the bolt body 1 unless the bolt body 1 and the nut 11 rotate simultaneously, and the phenomenon that the bolt body 1 is separated from the nut 11 due to external vibration is avoided.

The second slider 7 is matched with the second sliding groove 5, the second slider 7 is in sliding fit with the second sliding groove 5, the second slider 7 slides up and down in the second sliding groove 5 to drive the clamping block 8 to be occluded with or separated from the clamping groove 17, the second slider 7 is in elastic fit with the anti-falling frame 4 through the reset spring 6, the second slider 7 slides up and down relative to the anti-falling frame 4 in the moving direction, so that the second slider 7 is ensured to have an automatic downward resetting effect, the number of the movable grooves 9 is six, the six movable grooves 9 are arranged on the side surface of the anti-falling frame 4 in an annular array mode, the movable grooves 9 are communicated with the second sliding groove 5, so that an abdicating space is provided for the connecting support frame 10, the lantern ring 13 is in a hollow circular ring shape, the lantern ring 13 is assembled with the clamping block 8 into a whole through the connecting support frame 10, so that a person can conveniently control the lantern ring 13 to push the clamping block 8 to slide up and down, the bolt body 1 comprises a hexagonal bolt head 101, the middle part fixedly connected with bolt pole 102 of hexagonal bolt head 101 lower surface, continuous screw thread section has been seted up on the top on the surface of bolt pole 102, and the discontinuous screw thread section has been seted up to the bottom on bolt pole 102 surface, and two first spouts 2 use the axis of bolt pole 102 as the symmetry axis, and the symmetry sets up in the both sides of bolt pole 102, and the discontinuous screw thread section guarantees that first slider 3 has the activity space in first spout 2.

In conclusion, when the anti-vibration self-locking bolt assembly is used, a worker penetrates a bolt body 1 through an object to be fixed, two first sliding blocks 3 on the inner side wall of an anti-falling frame 4 correspond to first sliding grooves 2, the first sliding blocks 3 move upwards in the first sliding grooves 2, so that the anti-falling frame 4 is installed on a bolt rod 102, after the installation is completed, a nut 11 is screwed down along the bolt rod 102 by a nut 11, so that the nut 11 is occluded on the bolt rod 102, a movable groove 9 provides a lifting space for a connecting support frame 10, a lantern ring 13 is respectively assembled with six 8 clamping blocks into a whole through the six connecting support frames 10, the lantern ring 13 is loosened, a return spring 6 pushes the second sliding block 7 to slide downwards in a second sliding groove 5, the second sliding block 7 pushes the six clamping blocks 8 to move downwards, so that the six clamping blocks 8 are clamped in the six clamping grooves 12 on the upper surface of the nut 11, so that a self-locking structure is formed, and unless the bolt body 1 and the nut 11 rotate simultaneously, otherwise, the nut 11 cannot rotate relative to the bolt body 1, so that the phenomenon that the bolt body 1 is separated from the nut 11 due to external vibration is avoided.

The detailed description of the known functions and the known components is omitted in the embodiment of the disclosure, and in order to ensure the compatibility of the equipment, the adopted operation means are consistent with the parameters of the instruments on the market.

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.

In the description of the present application, the terms "connect", "install", "fix", "set", etc. are used in a broad sense, for example, the term "connect" may be a fixed connection or an indirect connection through intermediate components without affecting the relationship and technical effects of the components, or may be an integral connection or a partial connection, and as in this case, for a person skilled in the art, the specific meaning of the above terms in the present invention or the present invention can be understood according to specific situations.

The standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt conventional models in the prior art, and the structure and the principle of the parts known by the skilled person can be known by technical manuals or conventional experimental methods.

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 an anti-vibration auto-lock bolt subassembly, includes bolt body (1), its characterized in that: the bolt is characterized in that first sliding grooves (2) are formed in two sides of the bolt body (1), a first sliding block (3) is movably connected to the inner side wall of each first sliding groove (2), an anti-falling frame (4) is fixedly connected to one end of each first sliding block (3), a second sliding groove (5) is formed in the inner side wall of each anti-falling frame (4), a reset spring (6) is fixedly connected to the inner top wall of each second sliding groove (5), a second sliding block (7) is fixedly connected to one end of each reset spring (6), a clamping block (8) is fixedly connected to the bottom end of each second sliding block (7), a movable groove (9) is formed in the side face of each anti-falling frame (4), a connecting support frame (10) is fixedly connected to the top of the side face of each clamping block (8), a lantern ring (13) is fixedly connected to one end of each connecting support frame (10), and a nut (11) is in threaded connection with the surface of the bolt body (1), and the upper surface of the nut (11) is provided with a clamping groove (12) matched with the clamping block (8).

2. The anti-vibration self-locking bolt assembly of claim 1, wherein: the bolt body (1) comprises a hexagonal bolt head (101), and a bolt rod (102) is fixedly connected to the middle of the lower surface of the hexagonal bolt head (101).

3. The anti-vibration self-locking bolt assembly of claim 2, wherein: the top end of the surface of the bolt rod (102) is provided with a continuous thread section, the bottom end of the surface of the bolt rod (102) is provided with an intermittent thread section, and the two first sliding grooves (2) are symmetrically arranged on two sides of the bolt rod (102) by taking the central axis of the bolt rod (102) as a symmetry axis.

4. The anti-vibration self-locking bolt assembly of claim 1, wherein: the second sliding block (7) is matched with the second sliding groove (5), and the second sliding block (7) is in sliding fit with the second sliding groove (5).

5. The anti-vibration self-locking bolt assembly of claim 1, wherein: the second sliding block (7) is in elastic fit with the anti-falling frame (4) through a return spring (6), and the moving direction of the second sliding block (7) is relative to the anti-falling frame (4) to slide up and down.

6. The anti-vibration self-locking bolt assembly of claim 1, wherein: the number of the movable grooves (9) is six, the six movable grooves (9) are in an annular array on the side face of the anti-falling frame (4), and the movable grooves (9) are communicated with the second sliding groove (5).

7. The anti-vibration self-locking bolt assembly of claim 1, wherein: the lantern ring (13) is a hollow circular ring, and the lantern ring (13) is integrally assembled with the clamping block (8) through the connecting support frame (10).