CN210599762U

CN210599762U - Mechanical interlocking check bolt

Info

Publication number: CN210599762U
Application number: CN201920963033.4U
Authority: CN
Inventors: 王兵; 刘鸿滨; 赵孟阳
Original assignee: Nanchang Mineral Systems Co Ltd
Current assignee: Nanchang Mineral Systems Group Co Ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-05-22
Anticipated expiration: 2029-06-25

Abstract

The utility model discloses a mechanical interlocking check bolt, including bolt, locking device, locking cover, ratchet and telescoping device, bolt and the fixed body coupling of ratchet, the outside cover of ratchet has the locking cover, and locking cover and ratchet pass through locking device spacing fixed, connect through the telescoping device between the adjacent locking cover. The utility model has the advantages that: the problems of loose connection, unreliable connection and the like between moving parts can be effectively prevented, and the connection failure of the bolt caused by vibration is prevented. When the bolt needs to be loosened manually, the driving lever only needs to be pulled upwards, the driving lever, the moving block and the locking block move upwards together to unlock the ratchet, and the bolt can be loosened by a wrench or a sleeve at the moment and can be repeatedly used.

Description

Mechanical interlocking check bolt

Technical Field

The utility model relates to a bolted connection technical field especially relates to a mechanical interlocking check bolt.

Background

Bolt connection is the most common connection mode in various mechanical industries, but often because some parts are in a strong motion state, bolts are easy to loosen, so that connection failure is caused, the on-site maintenance cost and expense of customers are greatly increased, the production plan of the customers is even affected, and the improvement of the reliability of bolt connection is very important.

In order to improve bolted connection's reliability, the utility model discloses utilize the mutual locking between the adjacent bolt, form a mechanical interlocking structure, reach the mutual locking effect between the bolt.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanical interlocking check bolt can prevent effectively that the connection between moving part is not hard up, connects unreliable scheduling problem, prevents that the bolt from leading to connecting inefficacy because of the vibration. When the bolt needs to be loosened manually, the driving lever only needs to be pulled upwards, the driving lever, the moving block and the locking block move upwards together to unlock the ratchet, and the bolt can be loosened by a wrench or a sleeve at the moment and can be repeatedly used.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a machinery interlocking check bolt, includes bolt, locking device, locking cover, ratchet and telescoping device, and bolt and the fixed body coupling of ratchet, the outside cover of ratchet has the locking cover, and locking cover and ratchet pass through locking device spacing fixed, connect through the telescoping device between the adjacent locking cover.

Furthermore, the bolt consists of a nut and a stud, and the nut, the stud and the ratchet wheel are fixedly and integrally connected.

Furthermore, a plurality of ratchets are arranged on the periphery of the ratchet wheel, and the thickness of each ratchet is smaller than that of the ratchet wheel.

Furthermore, the anti-loosening sleeve is in a stepped ring shape and is sleeved outside the ratchet wheel and the ratchet.

Furthermore, a spring groove is radially arranged in the anti-loosening sleeve, the spring groove is communicated with the upper portion of the anti-loosening sleeve through a deflector rod movable groove, the spring groove is communicated with the inner side of the ring of the anti-loosening sleeve, and an anti-loosening device is arranged in the spring groove.

Further, locking device includes spring, movable block, latch segment and driving lever, spring one end and spring tank bottom fixed connection, the other end and movable block fixed connection, the movable block is kept away from spring one side and is fixed with triangular latch segment, latch segment and ratchet phase-match setting, the top and the driving lever fixed connection of movable block, the driving lever runs through the setting of driving lever movable slot.

Furthermore, the telescopic device comprises a piston, a telescopic sleeve and a telescopic rod, one end of the telescopic sleeve is fixedly connected with the anti-loosening sleeve, the piston is arranged in the telescopic sleeve, the piston is fixedly connected with the telescopic rod, and the telescopic rod penetrates through the other end of the telescopic sleeve and is fixedly connected with the anti-loosening sleeve at an adjacent position.

Compared with the prior art, the utility model discloses following beneficial effect has: one is as follows: the structure adopts the combination of a telescopic device and an anti-loose sleeve, the anti-loose sleeve is sleeved outside the adjacent bolt, the anti-loose sleeve and a ratchet wheel positioned in the anti-loose sleeve are limited and fixed through an anti-loose device, when the ratchet wheel rotates clockwise, the bolt is screwed, the ratchet wheel outside the ratchet wheel jacks up a locking block at the moment, a moving block, the locking block and a deflector rod are simultaneously jacked up, and a spring is compressed at the moment, so the ratchet wheel can rotate clockwise; when the ratchet wheel rotates anticlockwise, the moving block supports the ratchet, so that the ratchet wheel cannot rotate anticlockwise, and the effect of mechanical interlocking and looseness prevention is achieved. The second step is as follows: connect through the telescoping device between the adjacent anti-loosening sleeve in this structure, the telescoping device is together fixed adjacent two adjacent anti-loosening sleeves, can not rotate relatively between the two adjacent anti-loosening sleeves, but the distance between the two adjacent anti-loosening sleeves can change, during the use, as long as the distance between two adjacent bolts all can use in the flexible within range of telescoping device, application range is wide. And thirdly: when the bolt needs to be loosened manually, the driving lever only needs to be pulled upwards, the driving lever, the moving block and the locking block move upwards together to unlock the ratchet, and the bolt can be loosened by a wrench or a sleeve at the moment and can be repeatedly used.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a schematic view of the structure at the position A of the present invention;

fig. 3 is a schematic structural view of the position B of the present invention;

fig. 4 is a front view of the present invention;

in the figure: 1. a bolt; 1-1, a screw cap; 1-2, a stud; 2. a locking device; 2-1, a spring; 2-2, moving blocks; 2-3, a locking block; 2-4, a deflector rod; 3. an anti-loose sleeve; 3-1, spring grooves; 3-2, a deflector rod movable groove; 4. a ratchet wheel; 4-1, ratchets; 5. a piston; 6. a telescopic sleeve; 7. a telescopic rod.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in figure 1, a mechanical interlocking anti-loosening bolt comprises a bolt 1, a loosening prevention device 2, an anti-loosening sleeve 3, a ratchet wheel 4 and a telescopic device, wherein the bolt 1 and the ratchet wheel 4 are fixedly and integrally connected, the anti-loosening sleeve 3 is sleeved outside the ratchet wheel 4, the anti-loosening sleeve 3 and the ratchet wheel 4 are limited and fixed through the loosening prevention device 2, the loosening prevention device 2 is radially installed in the anti-loosening sleeve 3, and due to the arrangement of the loosening prevention device 2, the ratchet wheel 4 can rotate clockwise relative to the anti-loosening sleeve 3 and can not rotate anticlockwise relative to the anti-loosening sleeve. The adjacent anti-loosening sleeves 3 are connected through the telescopic device, the two adjacent anti-loosening sleeves 3 are fixed together by the telescopic device, the two adjacent anti-loosening sleeves 3 cannot rotate relatively, but the distance between the two adjacent anti-loosening sleeves 3 can be changed. The telescoping device includes piston 5, telescopic tube 6 and

telescopic link

7, and 6 one end of telescopic tube and 3 fixed connection of anti-loosening sleeve are equipped with piston 5 in the telescopic tube 6,

piston

5 and 7 fixed connection of telescopic link, telescopic link 7 run through behind the other end of telescopic tube 6, and the 3 fixed connection of anti-loosening sleeve of adjacent position.

As shown in figure 4, the bolt 1 consists of a nut 1-1 and a stud 1-2, the nut 1-1, the stud 1-2 and the ratchet 4 are fixedly and integrally connected, and when the bolt is used, the nut 1-1, the stud 1-2 and the ratchet 4 synchronously rotate. The anti-loose sleeve 3 is in a step ring shape and is sleeved outside the ratchet wheel 4 and the ratchet 4-1. The ratchet wheel 4 is circumferentially provided with a plurality of ratchet teeth 4-1, and the thickness of the ratchet teeth 4-1 is smaller than that of the ratchet wheel 4. When in use, the whole body consisting of the screw cap 1-1, the stud 1-2 and the ratchet 4 passes through the stepped annular anti-loosening sleeve 3, and the anti-loosening sleeve 3 is stepped and can be sleeved outside the ratchet 4 and blocked by the ratchet 4-1.

As shown in fig. 2-3, a spring groove 3-1 is radially arranged in the anti-loosening sleeve 3, the spring groove 3-1 is communicated with the upper part of the anti-loosening sleeve 3 through a deflector rod movable groove 3-2, the spring groove 3-1 is communicated with the inner side of the ring of the anti-loosening sleeve 3, and an anti-loosening device 2 is arranged in the spring groove 3-1. The anti-loosening device 2 comprises a spring 2-1, a moving block 2-2, a locking block 2-3 and a shifting rod 2-4, one end of the spring 2-1 is fixedly connected with the bottom of a spring groove 3-1, the other end of the spring is fixedly connected with the moving block 2-2, the triangular locking block 2-3 is fixed on one side, far away from the spring 2-1, of the moving block 2-2, the locking block 2-3 is arranged in a matched mode with a ratchet 4-1, the top of the moving block 2-2 is fixedly connected with the shifting rod 2-4, and the shifting rod 2-4 penetrates through a shifting rod movable groove 3-2.

It should be noted that, the utility model relates to a mechanical interlocking check bolt, during the use, as shown in fig. 4, pass one of them bolt 1 through the anti-loosening sleeve 3, another bolt 1 passes the anti-loosening sleeve 3 of adjacent position to tighten two bolts. The ratchet 4 on the bolt 1 is positioned in the anti-loosening sleeve 3, the anti-loosening sleeve 3 is in a step shape and clamped outside the ratchet 4, the anti-loosening sleeve 3 cannot move towards one end of the nut 1-1 under the limitation of the ratchet 4-1, and the anti-loosening sleeve 3 can be prevented from falling and losing in the using process. As shown in figure 1, the locking device 2 is arranged in the anti-loosening sleeve 3 in the radial direction, when the ratchet wheel 4 rotates clockwise, the bolt 1 is screwed, the ratchet 4-1 outside the ratchet wheel 4 pushes up the locking block 2-3, the moving block 2-2, the locking block 2-3 and the shifting rod 2-4 are simultaneously pushed up, the spring 2-1 is compressed, and therefore the ratchet wheel 4 can rotate clockwise. When the ratchet wheel 4 rotates anticlockwise, the moving block 2-2 supports against the ratchet 4-1, so that the ratchet wheel 4 cannot rotate anticlockwise, and the anti-loosening effect is achieved.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a mechanical interlocking check bolt, includes bolt, locking device, locking cover, ratchet and telescoping device, its characterized in that: the bolt is fixedly connected with the ratchet wheel into a whole, an anti-loosening sleeve is sleeved outside the ratchet wheel, the anti-loosening sleeve and the ratchet wheel are limited and fixed through a locking device, and adjacent anti-loosening sleeves are connected through a telescopic device.

2. A mechanical interlocking check bolt as defined in claim 1, wherein: the bolt consists of a nut and a stud, and the nut, the stud and the ratchet wheel are fixedly and integrally connected.

3. A mechanical interlocking check bolt as defined in claim 1, wherein: the ratchet wheel is circumferentially provided with a plurality of ratchets, and the thickness of each ratchet is smaller than that of the ratchet wheel.

4. A mechanical interlocking check bolt as defined in claim 1, wherein: the anti-loosening sleeve is in a stepped ring shape and is sleeved outside the ratchet wheel and the ratchet.

5. A mechanical interlocking check bolt as defined in claim 1, wherein: the anti-loosening device is characterized in that a spring groove is radially arranged in the anti-loosening sleeve, the spring groove is communicated with the upper portion of the anti-loosening sleeve through a shifting rod movable groove, the spring groove is communicated with the inner side of the ring of the anti-loosening sleeve, and an anti-loosening device is arranged in the spring groove.

6. A mechanical interlocking check bolt as defined in claim 1, wherein: the locking device comprises a spring, a moving block, a locking block and a shifting rod, one end of the spring is fixedly connected with the bottom of the spring groove, the other end of the spring is fixedly connected with the moving block, the triangular locking block is fixed on one side, away from the spring, of the moving block, the locking block and the ratchet are arranged in a matched mode, the top of the moving block is fixedly connected with the shifting rod, and the shifting rod penetrates through the shifting rod moving groove.

7. A mechanical interlocking check bolt as defined in claim 1, wherein: the telescopic device comprises a piston, a telescopic sleeve and a telescopic rod, one end of the telescopic sleeve is fixedly connected with the anti-loosening sleeve, the piston is arranged in the telescopic sleeve, the piston is fixedly connected with the telescopic rod, and the telescopic rod penetrates through the other end of the telescopic sleeve and is fixedly connected with the anti-loosening sleeve at an adjacent position.