CN210265457U

CN210265457U - Anti-loosening bolt

Info

Publication number: CN210265457U
Application number: CN201920875403.9U
Authority: CN
Inventors: 不公告发明人
Original assignee: Jiaxing Zhongren Metal Products Co Ltd
Current assignee: Jiaxing Zhongren metal products Co., Ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-04-07
Anticipated expiration: 2029-06-12

Abstract

The utility model relates to a bolt technical field especially relates to an anti-loosening bolt, including the lead screw, it has the screw thread to etch on the perisporium of lead screw, set up a plurality of evenly distributed's cross slot on the perisporium of lead screw, the cross slot runs through the both ends parallel and level of screw thread and its both ends and lead screw, the fixed welding in top of lead screw has hexagon nut, threaded connection has the nut on the perisporium of lead screw, the inside of nut is seted up flutedly, the inside joint of recess has the slide, one side fixed welding of slide has the joint board, the fixed welding in opposite side of slide has the spring, the other end of spring with the fixed welding in bottom of recess. Through the inside at the nut setting mobilizable slide for the slide drives the direction removal of triangle slider towards the main screw rod under the effect of spring, when triangle slider card advances the cross slot, makes the main screw rod can only screw in can not screw out, plays the fixed action, makes the bolt keep fixed, and unable not hard up, convenient operation, simple structure is fit for promoting.

Description

Anti-loosening bolt

Technical Field

The utility model relates to a bolt technical field especially relates to an anti-loosening bolt.

Background

Bolts are common mechanical parts, often with nuts to perform the fastener function. A fastener consisting of a head (a nut) and a screw (a cylinder with external threads) needs to be matched with the nut and is used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection. The bolt in the prior art is easy to loosen due to reasons such as transportation and the like in the use process, so that the stability of part combination installation is poor, the bolt loosens or even falls off in the long-time use or long-distance transportation process, and the use is influenced or even the safety threat can be caused. To this end, we have devised a locking bolt to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the bolt is easy to loose in the prior art, and providing a locking bolt.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a locking bolt that moves, includes the lead screw, it has the screw thread to etch on the perisporium of lead screw, set up a plurality of evenly distributed's cross slot on the perisporium of lead screw, the cross slot runs through the both ends parallel and level of screw thread and its both ends and lead screw, the fixed welding in top of lead screw has hexagon nut, threaded connection has the nut on the perisporium of lead screw, the inside of nut has seted up flutedly, the inside joint of recess has the slide, one side fixed welding of slide has the joint board, the fixed welding in opposite side of slide has the spring, the other end of spring with the fixed welding in bottom of recess, the fixed welding in bottom of joint board has the triangle slider, the inside of cross slot can be blocked to the triangle slider, one side that the nut was kept away from to the slide is provided with control mechanism.

Preferably, one side of the nut, which is close to the hexagonal nut, is fixedly welded with a plurality of triangular bulges which are uniformly distributed.

Preferably, the hexagonal nut is close to the fixed adhesion of one side of nut and has the rubber cushion, be provided with a plurality of evenly distributed's globular arch on the side of rubber cushion.

Preferably, control mechanism is including seting up the spout in the inside and one side of keeping away from hexagon nut of nut, the spout communicates with each other with the recess, the round bar has been placed to the inside of spout, the one end of round bar and the one end fixed weld of slide, the other end of round bar extends to the outside of spout.

Preferably, six screws which are uniformly distributed are arranged inside the hexagonal nut.

The utility model provides a locking bolt that moves, beneficial effect lies in:

1. this locking bolt that moves sets up mobilizable slide through the inside at the nut for the slide drives the triangle slider and moves towards the direction of lead screw under the effect of spring, when the triangle slider card advances the cross slot, makes the lead screw can only the precession can not the back-out, has played limiting displacement, makes the bolt keep fixed, unable not hard up.

2. The utility model discloses in, it is protruding through the fixed triangle that sets up in one side that the nut is close to hexagon nut, can increase the frictional force between nut and the connecting piece, and when the connecting piece was non-rigid material, the triangle arch can block into inside the connecting piece for the rigidity of nut.

3. The utility model discloses in, it has the rubber cushion to fix the bonding in one side that hexagon nut is close to the nut, can increase the frictional force between hexagon nut and the connecting piece, prevents not hard up, and hexagon nut's inside is provided with the screw, can fix hexagon nut's position, prevents that the bolt from taking place not hard up phenomenon.

Drawings

Fig. 1 is a schematic view of a front cross-sectional structure of a locking bolt provided by the present invention;

fig. 2 is a schematic front view of a locking bolt provided by the present invention;

fig. 3 is a schematic side view of a cross-sectional structure of a locking bolt according to the present invention;

fig. 4 is an enlarged view of the structure of the portion a in fig. 1.

In the figure: the device comprises a main screw rod 1, a thread 2, a transverse groove 3, a hexagonal nut 4, a nut 5, a round rod 6, a groove 7, a sliding plate 8, a clamping plate 9, a spring 10, a triangular sliding block 11, a triangular protrusion 12, a rubber cushion 13, a screw 14, a spherical protrusion 15 and a sliding groove 16.

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.

Referring to fig. 1-4, a locking bolt comprises a main screw rod 1, a thread 2 is etched on the circumferential wall of the main screw rod 1, a plurality of uniformly distributed transverse grooves 3 are formed on the circumferential wall of the main screw rod 1, the transverse grooves 3 penetrate through the thread 2, and both ends of the transverse grooves are flush with both ends of the main screw rod 1, a hexagonal nut 4 is fixedly welded at the top end of the main screw rod 1, a nut 5 is connected with the circumferential wall of the main screw rod 1 through a thread, a plurality of uniformly distributed triangular protrusions 12 are fixedly welded on one side of the nut 5 close to the hexagonal nut 4, the friction between the nut 5 and a connecting piece can be increased by arranging the triangular protrusions 12, when the connecting piece is made of a non-rigid material, the triangular protrusions 12 can be clamped into the connecting piece, so that the position of the nut 5 is fixed, a groove 7 is formed in the nut 5, a sliding plate 8 is clamped in the, the fixed welding of opposite side of slide 8 has spring 10, the bottom fixed welding with recess 7 of the other end of spring 10, the fixed welding in bottom of joint plate 9 has triangle slider 11, triangle slider 11 can joint the inside of cross slot 3, through the inside at nut 5 sets up mobilizable slide 8, make slide 8 drive triangle slider 11 and move towards the direction of leading screw 1 under the effect of spring 10, when triangle slider 11 blocks into cross slot 3, make leading screw 1 can only screw in and can not screw out, limiting displacement has been played, make the bolt keep fixed, can't become flexible.

The utility model discloses in, hexagonal nut 4 is close to the fixed adhesion in one side of nut 5 and has rubber cushion 13, be provided with a plurality of evenly distributed's globular arch 15 on rubber cushion 13's the side, hexagonal nut 4's inside is provided with six evenly distributed's screw 14, there is rubber cushion 13 at hexagonal nut 4's the fixed adhesion in one side of being close to nut 5, rubber cushion 13 can increase the frictional force between hexagonal nut 4 and the connecting piece, prevent not hard up, and hexagonal nut 4's inside is provided with screw 14, can fix hexagonal nut 4's position, prevent that the bolt from taking place not hard up phenomenon.

The utility model discloses in, one side that hexagon nut 4 was kept away from to slide 8 is provided with control mechanism, control mechanism is including seting up at the inside spout 16 that just keeps away from one side of hexagon nut 4 of nut 5, spout 16 communicates with each other with recess 7, round bar 6 has been placed to the inside of spout 16, the one end of round bar 6 and slide 8's one end fixed weld, the other end of round bar 6 extends to spout 16's outside, can control the position of slide 8 in recess 7 through control mechanism, operation round bar 6 can make slide 8 remove in recess 7, when needs cup joint nut 5 on main screw 1, can remove the inside of recess 7 with triangle slider 11 through round bar 6, make nut 5 can overlap on main screw 1's outer wall.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The anti-loosening bolt comprises a main screw rod (1) and is characterized in that threads (2) are etched on the peripheral wall of the main screw rod (1), a plurality of uniformly distributed transverse grooves (3) are formed in the peripheral wall of the main screw rod (1), the transverse grooves (3) penetrate through the threads (2), two ends of each transverse groove are flush with two ends of the main screw rod (1), a hexagonal nut (4) is fixedly welded at the top end of the main screw rod (1), a nut (5) is in threaded connection with the peripheral wall of the main screw rod (1), a groove (7) is formed in the nut (5), a sliding plate (8) is clamped in the groove (7), a clamping plate (9) is fixedly welded at one side of the sliding plate (8), a spring (10) is fixedly welded at the other side of the sliding plate (8), and the other end of the spring (10) is fixedly welded with the bottom of the groove (7), the bottom fixed welding of joint board (9) has triangle slider (11), but the inside of horizontal groove (3) is connected to triangle slider (11) joint, one side that hexagon nut (4) was kept away from in slide (8) is provided with control mechanism.

2. The anti-loosening bolt according to claim 1, wherein a plurality of evenly distributed triangular bulges (12) are fixedly welded on one side of the nut (5) close to the hexagonal nut (4).

3. A locking bolt according to claim 1, characterized in that a rubber cushion (13) is fixedly adhered to one side of the hexagonal nut (4) close to the nut (5), and a plurality of uniformly distributed spherical protrusions (15) are arranged on the side surface of the rubber cushion (13).

4. The anti-loosening bolt as claimed in claim 1, wherein the control mechanism comprises a sliding groove (16) which is formed in the nut (5) and is far away from one side of the hexagonal nut (4), the sliding groove (16) is communicated with the groove (7), a round rod (6) is placed in the sliding groove (16), one end of the round rod (6) is fixedly welded with one end of the sliding plate (8), and the other end of the round rod (6) extends to the outside of the sliding groove (16).

5. A locking bolt according to claim 1, characterised in that the hexagonal nut (4) is internally provided with six evenly distributed screws (14).