CN218953785U

CN218953785U - Novel anti-loosening bolt

Info

Publication number: CN218953785U
Application number: CN202223341486.4U
Authority: CN
Inventors: 袁佑斌
Original assignee: Hubei Hongmei New Material Technology Co ltd
Current assignee: Hubei Hongmei New Material Technology Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-05-02
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a novel anti-loosening bolt, which relates to the technical field of anti-loosening bolt design and comprises a bolt main body, a nut anti-loosening unit and a fixing column fixedly connected with the end face of one end of the bolt main body of the bolt anti-loosening unit, wherein a hexagonal screw groove is formed in the left side surface of the fixing column, an external thread is formed in the position, close to the fixing column, of the bolt main body, the bolt anti-loosening unit is arranged on the position, close to the fixing column, of the bolt main body, the nut anti-loosening unit comprises a fixing ring, a first anti-loosening strip, a second anti-loosening groove, a first anti-loosening groove, an arc-shaped clamping block, an arc-shaped groove and a nut, an internal thread is formed in the inner side surface of the nut, four equally-spaced anti-loosening grooves are annularly arrayed on the inner side surface of the nut, after the nut is connected with the bolt, an anti-loosening device is arranged, the stability of the fixing device is not affected, a bolt rotating mechanism is prevented, and the bolt is prevented from falling.

Description

Novel anti-loosening bolt

Technical Field

The utility model relates to the technical field of anti-loosening bolt design, in particular to a novel anti-loosening bolt.

Background

The bolt is a mechanical object, is matched with a cylindrical threaded fastener of a nut, and is a fastener consisting of a head part and a screw rod (a cylinder with external threads), and is matched with the nut for fastening and connecting two objects with through holes. The connection is called a bolt connection, such as screwing a nut off the bolt, and separating the two objects, so the bolt connection is a detachable connection.

The novel anti-loosening bolt provided by the prior art with the authorized bulletin number of CN217633346U comprises a bolt main body, a nut main body and an abutting ring, wherein an external thread is arranged on the bolt main body, a tooth slot is formed in the external thread at the top end of the bolt main body, teeth are arranged on an internal thread of the nut main body and can be inserted into the tooth slot in an adapting mode, the nut main body is connected with the bolt main body in a threaded mode, and the abutting ring is sleeved on the bolt main body.

The existing novel anti-loosening bolt is likely to loosen after the nut is connected with the bolt, so that stability of the fixing device is affected, and the bolt can rotate after being fixed, so that the bolt falls off.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides a novel anti-loosening bolt, which is provided with an anti-loosening device after a nut is connected with the bolt, so that the nut is prevented from loosening, the stability of a fixing device is not affected, a bolt rotating mechanism is prevented, the bolt is prevented from falling off, and the problems in the background art can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a novel anti-loosening bolt comprises a bolt main body, a nut anti-loosening unit and a bolt anti-loosening unit;

a bolt main body: the end face of one end is fixedly connected with a fixed column, a hexagonal screw groove is formed in the left side surface of the fixed column, an external thread is formed in the position, located at the other end, of the bolt main body, and a bolt anti-loosening unit is arranged in the position, located close to the fixed column, of the bolt main body;

nut locking unit: the anti-loosening bolt comprises a fixing ring, a first anti-loosening strip, an anti-loosening groove II, an arc-shaped clamping block, an arc-shaped groove and a nut, wherein internal threads are arranged on the inner side surface of the nut, four equidistant anti-loosening grooves II are annularly arranged on the inner side surface of the nut, four equidistant arc-shaped clamping blocks are arranged on one side of the nut, which is close to the arc-shaped groove, of the bolt body, the internal threads of the nut are in threaded connection with the external threads of the bolt body, the anti-loosening grooves II and the anti-loosening grooves I correspond to each other, the four annular arrays of the first anti-loosening strip are fixedly connected with the inner side surface of the fixing ring, the four first anti-loosening strips respectively penetrate between the corresponding anti-loosening grooves II and the anti-loosening groove I, four equidistant arc-shaped grooves are formed in the inner side surface of the fixing ring, four equidistant arc-shaped clamping blocks are arranged on one side of the nut, which is close to the arc-shaped groove, and the four arc-shaped clamping blocks are respectively fixedly clamped with the corresponding arc-shaped grooves.

The bolt main part is used for fixing device, and the fixed column is used for conveniently driving the bolt main part and rotates, and the hexagon helicoidal groove is used for conveniently carrying out fixing device with the screwdriver joint, and the bolt is prevented not hard up unit and is used for preventing the bolt rotation, carries out the protection bolt not hard up, and locking groove two merges with locking groove one, inserts through first locking strip, prevents that the nut from rotating, arc joint piece and arc groove joint, lets the solid fixed ring fix on the nut, prevents conveniently that the solid fixed ring from rocking, prevents thereby that the nut is not hard up.

Further, the nut anti-loosening unit further comprises friction patterns and movable armrests, the friction patterns are arranged on the outer side surface of the nut, a limiting groove is formed in the surface, far away from the arc-shaped groove, of the fixing ring, and the two limiting grooves are respectively and movably connected with the corresponding movable armrests through movable pin shafts.

The movable handrail is used for conveniently pulling the fixing ring to facilitate the dismounting device, and the friction patterns are used for conveniently rotating the screw cap to use.

Further, the bolt anti-loosening unit comprises a compression spring, gaskets, rubber rings and second anti-loosening strips, two equidistant gaskets are sleeved on the bolt main body, two ends of the compression spring are fixedly connected between the two gaskets, the compression spring is sleeved on the bolt main body, one side surface of each gasket, which does not correspond to the corresponding gasket, is fixedly connected with the second anti-loosening strips of the annular arrays, and the rubber rings are sleeved on the surfaces of the inner ring and the outer ring of each gasket respectively.

The gasket is used for letting fixed being in a horizontal plane, and compression spring is used for compressing the buffering, prevents that the bolt main part from rotating, and the rubber ring is used for protecting the gasket, and the gasket is used for buffering, and the second locking strip is used for increasing the frictional force of beating the contact surface, protects from this, prevents that the bolt main part from rotating, reaches locking effect of moving.

Further, the bolt anti-loosening unit further comprises a fixed ring and a protruding block, a fixed ring is fixedly sleeved on one side surface of the fixed column, which is close to the bolt main body, and a plurality of protruding blocks of annular arrays are fixedly connected on one side surface of the fixed ring, which is close to the bolt main body.

The fixing ring is used for increasing contact with the fixing device, and the lug is used for increasing friction force to prevent the rotation of the bolt main body, so that the rotation of the bolt main body is prevented.

Further, the fixing device further comprises friction strips and reinforcing rings, wherein a plurality of equidistant friction strips are arranged on the outer side surfaces of the fixing columns, and the reinforcing rings are fixedly sleeved at the connecting positions of the fixing columns and the bolt main body.

The friction strip is used for making things convenient for the fixed column to rotate, conveniently carries out fastening bolt, and the stiffening ring is used for strengthening the junction of fixed column and bolt main part, prevents the bolt fracture from this, increases bolt life.

Further, the anti-rust paint layer is further included, and the surfaces of the bolt main body, the fixing column and the screw cap are respectively coated with the anti-rust paint layer.

The antirust paint layer adopts polyurethane resin to protect the device and prevent the bolt from being oxidized, so that the device is protected and rust is prevented.

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

1. this novel anti not hard up bolt has following benefit: the anti-loosening unit for the nut is arranged, the anti-loosening unit is combined with the anti-loosening groove I through the anti-loosening groove II, the nut is prevented from rotating through the insertion of the first anti-loosening strip, the arc-shaped clamping block is clamped with the arc-shaped groove to enable the fixing ring to be fixed on the nut, so that the fixing ring is prevented from shaking conveniently, the nut is prevented from loosening, the movable handrail is used for conveniently pulling the fixing ring to facilitate the dismounting device, and the friction pattern is used for conveniently rotating the nut to prevent the nut from loosening;

2. this novel anti not hard up bolt has following benefit: the anti-loosening unit is provided with a bolt, the bolt is fixed on a horizontal plane through the gasket, the compression spring is used for compressing and buffering, the bolt main body is prevented from rotating, the rubber ring is used for protecting the gasket, the gasket is used for buffering, the second anti-loosening strip is used for increasing the friction force of the contact surface, so that the bolt main body is prevented from rotating, the fixed ring is used for increasing the contact with the fixing device, the lug is used for increasing the friction force, so that the bolt main body is prevented from rotating, and the loosening is prevented;

3. this novel anti not hard up bolt has following benefit: after the nut is connected with the bolt, a locking device is arranged to prevent the nut from loosening, so that the stability of the fixing device is not affected, and a bolt rotating mechanism is arranged to prevent the bolt from falling off.

Drawings

FIG. 1 is a schematic diagram of the front structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

fig. 3 is a schematic view of the back structure of the present utility model.

In the figure: the anti-loosening device comprises a 1 bolt main body, a 2 fixed column, a 3 nut anti-loosening unit, a 31 fixed ring, a 32 first anti-loosening strip, a 33 movable handrail, a 34 anti-loosening groove II, a 35 anti-loosening groove I, a 36 arc clamping block, a 37 arc groove, a 38 nut, a 39 friction pattern, a 4 bolt anti-loosening unit, a 41 fixed ring, a 42 bump, a 43 compression spring, a 44 gasket, a 45 rubber ring, a 46 second anti-loosening strip, a 5 hexagonal screw groove, a 6 friction strip and a 7 reinforcing ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present embodiment provides a technical solution: a novel anti-loosening bolt comprises a bolt main body 1, a nut anti-loosening unit 3 and a bolt anti-loosening unit 4;

bolt body 1: the end face of one end is fixedly connected with a fixed column 2, a hexagonal screw groove 5 is formed in the left side surface of the fixed column 2, an external thread is formed in the position, located at the other end, of the bolt main body 1, and a bolt looseness prevention unit 4 is arranged in the position, located near the fixed column 2, of the bolt main body 1;

nut anti-loosening unit 3: the anti-loosening bolt comprises a fixing ring 31, a first anti-loosening strip 32, a second anti-loosening strip 34, a first anti-loosening strip 35, arc clamping blocks 36, arc grooves 37 and nuts 38, wherein internal threads are arranged on the inner side surface of the nuts 38, four equally-spaced anti-loosening strips 34 are annularly arranged on the inner side surface of the nuts 38, the first annular-array anti-loosening strips 35 are arranged on the bolt body 1 and are in threaded connection with external threads on the bolt body 1, the second annular-array anti-loosening strips 34 and the first anti-loosening strips 35 correspond to each other, the inner side surface of the fixing ring 31 is fixedly connected with the first anti-loosening strips 32 of the four annular-array, the four first anti-loosening strips 32 respectively penetrate between the corresponding second anti-loosening strips 34 and the first anti-loosening strips 35, four equally-spaced arc grooves 37 are arranged on one side surface of the fixing ring 31, which is close to the arc grooves 37, four equally-spaced arc clamping blocks 36 are arranged on one side of the nuts 38, which is close to the arc grooves 37, and the four arc clamping blocks 36 are fixedly clamped with the corresponding arc grooves 37.

The bolt main body 1 is used for fixing device, and the fixed column 2 is used for conveniently driving the bolt main body 1 and rotates, and hexagon helicoidal groove 5 is used for conveniently carrying out fixing device with the screwdriver joint, and bolt anti-loosening unit 4 is used for preventing the bolt from rotating, carries out the protection bolt loosening, and locking groove two 34 and locking groove one 35 merge, prevent nut 38 rotation through first locking strip 32 inserts, arc joint piece 36 and arc groove 37 joint, let solid fixed ring 31 fix on nut 38, prevent conveniently that solid fixed ring 31 from rocking, prevent from this nut 38 loosening.

The nut anti-loosening unit 3 further comprises friction patterns 39 and movable armrests 33, the friction patterns 39 are arranged on the outer side surface of the nut 38, a limiting groove is formed in the surface, far away from the arc-shaped groove 37, of the fixed ring 31, and the two limiting grooves are respectively and movably connected with the corresponding movable armrests 33 through movable pin shafts.

The movable armrest 33 is used to facilitate pulling the fixing ring 31 to facilitate dismounting the device, and the friction pattern 39 is used to facilitate turning the nut 38 for use.

The bolt looseness prevention unit 4 comprises a compression spring 43, gaskets 44, rubber rings 45 and second looseness prevention strips 46, two equidistant gaskets 44 are sleeved on the bolt main body 1, two ends of the compression spring 43 are fixedly connected between the two gaskets 44, the compression spring 43 is sleeved on the bolt main body 1, one side surface, which does not correspond to the two gaskets 44, of each second looseness prevention strip 46 is fixedly connected with a plurality of annular arrays, and the rubber rings 45 are respectively sleeved on the surfaces of the inner ring and the outer ring of the two gaskets 44.

The gasket 44 is used for letting fixed in a horizontal plane, compression spring 43 is used for compressing the buffering, prevents that bolt main part 1 from rotating, and rubber ring 45 is used for protecting gasket 44, and gasket 44 is used for buffering, and second locking strip 46 is used for increasing the frictional force of beating the contact surface, protects from this, prevents that bolt main part 1 from rotating, reaches locking effect.

The bolt anti-loosening unit 4 further comprises a fixed ring 41 and a lug 42, wherein the fixed ring 41 is fixedly sleeved on one side surface of the fixed column 2, which is close to the bolt main body 1, and the lug 42 which is fixedly connected with a plurality of annular arrays is fixedly connected on one side surface of the fixed ring 41, which is close to the bolt main body 1.

The fixing ring 41 serves to increase contact with the fixing means, and the protrusions 42 serve to increase friction to prevent the rotation of the bolt body 1, thereby preventing the rotation of the bolt body 1.

Still include friction strip 6 and stiffening ring 7, fixed column 2 outside surface is provided with a plurality of equidistant friction strips 6, and fixed column 2 and the junction of bolt main part 1 have fixedly cup jointed stiffening ring 7.

The friction strip 6 is used for facilitating rotation of the fixed column 2 to facilitate fastening of the bolt, and the reinforcing ring 7 is used for reinforcing the joint of the fixed column 2 and the bolt main body 1, so that breakage of the bolt is prevented, and the service life of the bolt is prolonged.

And the surfaces of the bolt main body 1, the fixed column 2 and the screw cap 38 are respectively coated with an anti-rust paint layer.

The working principle of the novel anti-loosening bolt provided by the utility model is as follows: firstly, the bolt main body 1 is used for fixing devices, the fixing column 2 is used for conveniently driving the bolt main body 1 to rotate, the hexagonal spiral groove 5 is used for conveniently clamping with a screwdriver to fix the devices, then the sleeve gasket 44 is used for fixing the bolt main body in a horizontal plane, the compression spring 43 is used for compressing and buffering, the bolt main body 1 is prevented from rotating, the rubber ring 45 is used for protecting the gasket 44, the gasket 44 is used for buffering, the second anti-loose strip 46 is used for increasing the friction force of a contact surface, the bolt main body 1 is prevented from rotating, the fixing circular ring 41 is used for increasing the contact with the fixing devices, the convex block 42 is used for increasing the friction force to prevent the bolt main body 1 from rotating, the bolt main body 1 is prevented from rotating, loosening is prevented from being caused, then the anti-loose groove two 34 and the anti-loose groove one 35 are combined, the nut 38 is prevented from rotating by inserting the first anti-loose strip 32, the arc-shaped clamping block 36 and the arc-shaped groove 37 are clamped, the fixing ring 31 is fixed on the nut 38, the nut 31 is prevented from shaking conveniently, the nut 38 is prevented from loosening, the movable handrail 33 is used for conveniently pulling the fixing ring 31, the friction force is prevented from rotating conveniently, and the nut 39 is prevented from rotating conveniently.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The utility model provides a novel anti not hard up bolt which characterized in that: comprises a bolt main body (1), a nut anti-loosening unit (3) and a bolt anti-loosening unit (4);

bolt main body (1): the end face of one end is fixedly connected with a fixed column (2), a hexagonal screw groove (5) is formed in the left side surface of the fixed column (2), an external thread is formed in the position, located at the other end, of the bolt main body (1), and a bolt looseness prevention unit (4) is arranged in the position, located close to the fixed column (2), of the bolt main body (1);

nut anti-loosening unit (3): the anti-loosening bolt comprises a fixing ring (31), a first anti-loosening strip (32), a second anti-loosening groove (34), a first anti-loosening groove (35), arc-shaped clamping blocks (36), arc-shaped grooves (37) and a nut (38), wherein internal threads are arranged on the inner side surface of the nut (38), four equally-spaced anti-loosening grooves (34) are annularly arrayed on the inner side surface of the nut (38), four equally-spaced first anti-loosening grooves (35) are formed in the position, located on the bolt body (1), of the external threads, of the nut (38), the internal threads of the nut (38) are in threaded connection with the external threads of the bolt body (1), the second anti-loosening grooves (34) and the first anti-loosening grooves (35) are mutually corresponding, the first anti-loosening strips (32) of the four annular arrays are fixedly connected on the inner side surface of the fixing ring (31), the four first anti-loosening strips (32) penetrate through the space between the corresponding second anti-loosening grooves (34) and the first anti-loosening grooves (35), four equally-spaced arc-loosening grooves (37) are formed in the surface, located on one side surface, close to the bolt body (1), and the four equally-spaced arc-loosening grooves (38) are formed in the position, and the arc-shaped clamping blocks (36) are located on one side, corresponding to the arc-shaped clamping blocks (36).

2. The novel anti-loosening bolt according to claim 1, wherein: the nut anti-loosening unit (3) further comprises friction patterns (39) and movable armrests (33), the friction patterns (39) are arranged on the outer side surface of the nut (38), a limiting groove is formed in the surface, far away from the arc-shaped groove (37), of the fixed ring (31), and the two limiting grooves are respectively and movably connected with the corresponding movable armrests (33) through movable pin shafts.

3. The novel anti-loosening bolt according to claim 1, wherein: the bolt anti-loosening unit (4) comprises a compression spring (43), gaskets (44), rubber rings (45) and second anti-loosening strips (46), wherein two equidistant gaskets (44) are sleeved on the bolt main body (1), two ends of the compression spring (43) are fixedly connected between the two gaskets (44), the compression spring (43) is sleeved on the bolt main body (1), one side surface, which does not correspond to the two gaskets (44), of the second anti-loosening strips (46) is fixedly connected with a plurality of annular arrays, and the rubber rings (45) are respectively sleeved on the surfaces of the inner ring and the outer ring of the two gaskets (44).

4. A novel anti-loosening bolt as claimed in claim 3, wherein: the bolt anti-loosening unit (4) further comprises a fixed circular ring (41) and a lug (42), wherein the fixed circular ring (41) is fixedly sleeved on one side surface of the fixed column (2) close to the bolt main body (1), and a plurality of annular array lugs (42) are fixedly connected on one side surface of the fixed circular ring (41) close to the bolt main body (1).

5. The novel anti-loosening bolt according to claim 1, wherein: still include friction strip (6) and stiffening ring (7), fixed column (2) outside surface is provided with a plurality of equidistant friction strips (6), the fixed junction of fixed column (2) and bolt main part (1) has fixedly cup jointed stiffening ring (7).

6. The novel anti-loosening bolt according to claim 1, wherein: the anti-rust paint coating is characterized by further comprising an anti-rust paint coating layer, wherein the surfaces of the bolt main body (1), the fixing column (2) and the screw cap (38) are respectively coated with the anti-rust paint coating layer.