CN217234099U

CN217234099U - Wear-resistant bolt

Info

Publication number: CN217234099U
Application number: CN202123074292.8U
Authority: CN
Inventors: 马运虎
Original assignee: Quanzhou Bo'erte Auto Parts Co ltd
Current assignee: Quanzhou Bo'erte Auto Parts Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-08-19
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses a stand wear and tear bolt, concretely relates to bolt field, including the bolt body, the one end fixedly connected with spliced pole of bolt body, the outside of spliced pole can be dismantled and be equipped with the bolt head, the bolt head is kept away from one side of bolt body and has been seted up the operation counter bore, and the bolt head is close to one side of bolt body and has seted up the connecting hole. In the tightening process, the wear pad will contact with the workpiece surface, thereby utilize the soft characteristic of rubber texture, can avoid appearing wearing and tearing between bolt body and the work piece, and then the life of bolt body has been prolonged, after the work piece is connected and is accomplished, can pull two sets of pull rings, thereby drive the arm-tie through the pull rod and do the motion dorsad and extrude the spring with corresponding the inserted bar, until inserted bar and jack separation, can separate bolt head and spliced pole afterwards, and then realized the convenient purpose of demolising the bolt head, avoid appearing other people and demolish the phenomenon of bolt at will, and the later stage of being convenient for assembles it once more, therefore, the practicality is higher.

Description

Wear-resistant bolt

Technical Field

The utility model relates to a bolt technical field, concretely relates to stand wear and tear bolt.

Background

The bolt is a fastener composed of a head part and a screw rod (a cylinder with external threads) and is used for fastening and connecting two parts with through holes. The bolt is divided into common bolt and bolt with a reamed hole according to the stress mode of connection; hexagonal, round, countersunk, etc. are classified according to the shape of the head.

Although the variety of bolt is various, the bolt that uses at present still has certain not enough, be mostly the integral type structure like current bolt, its bolt head can not be dismantled to lead to other people can dismantle it at will during the use, and then the connection between the fragile work piece is stable, and does not set up the wear pad on the current bolt, thereby lead to the bolt easily when using and the work piece between produce wearing and tearing, and then reduced the life of bolt, we propose a stand wear and tear bolt for this reason and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a wear-resistant bolt to solve the above technical problems.

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

the utility model provides a stand wear and tear bolt, includes the bolt body, the one end fixedly connected with spliced pole of bolt body, the outside of spliced pole can be dismantled and be equipped with the bolt head, the bolt head is kept away from one side of bolt body and has been seted up the operation counter bore, and the bolt head is close to one side of bolt body and has been seted up the connecting hole, the spliced pole can slide to insert and establish in the connecting hole, the cavity that the symmetry set up is seted up to the inside of bolt head, slide card is equipped with the arm-tie in the cavity, the opposite side of arm-tie all is equipped with the inserted bar of symmetric distribution, set up the jack that uses with the inserted bar cooperation on the spliced pole, the inserted bar can slide to insert and establish in the jack, the mutually opposite side of arm-tie all is equipped with the pull rod, the spring has been cup jointed in the outside activity of pull rod, the both ends of spring respectively with the inner wall fixed connection of arm-tie and cavity.

Furthermore, a limiting ring is fixedly sleeved on the outer side of one end, close to the connecting column, of the bolt body, and one side, close to the bolt body, of the bolt head can be in contact with the limiting ring.

Furthermore, one side of the limiting ring, which is close to the connecting column, is provided with two groups of symmetrically arranged positioning blocks, and one end of the bolt head, which is close to the limiting ring, can be slidably inserted between the positioning blocks.

Further, the one end that the bolt body is close to the spliced pole can be dismantled and be equipped with the abrasion pad, and the one side that the abrasion pad is close to the spliced pole can contact with the spacing ring, the inboard integrated into one piece of abrasion pad has the snap ring, set up the annular groove of using with the snap ring cooperation on the bolt body, the snap ring can activity card establish in the annular groove.

Further, the wear pad and the snap ring are both of rubber structures.

Furthermore, the two ends of the pulling plate are provided with symmetrically arranged sliding blocks, the inner walls of the two sides of the cavity are provided with symmetrically distributed sliding grooves, and the sliding blocks are slidably clamped in the sliding grooves.

Further, the length of the sliding groove is larger than that of the sliding block.

Furthermore, one end of the pull rod, which is far away from the pull plate, penetrates through the bolt head, the tail end of the pull rod is provided with a pull ring, and the outer side of the pull ring is covered with a layer of anti-skidding grains.

It can be seen from the above technical scheme that, the utility model has the advantages that:

1. in the screwing process, the wear pad is in contact with the surface of a workpiece, so that the characteristic of soft rubber texture is utilized, the abrasion between the bolt body and the workpiece can be avoided, and the service life of the bolt body is prolonged.

2. After the work piece is connected and is accomplished, can pull two sets of pull rings to drive the arm-tie through the pull rod and do motion dorsad and extrusion spring with corresponding the inserted bar, until inserted bar and jack separation, can separate bolt head and spliced pole afterwards, and then realized the purpose of convenient demolising the bolt head, avoid appearing other people and demolish the phenomenon of bolt at will, and be convenient for the later stage assemble it once more, the practicality is higher.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the connection structure of the present invention.

Fig. 3 is an enlarged schematic view of a structure in fig. 2 according to the present invention.

Fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

List of reference numerals: 1. a bolt body; 11. an annular groove; 2. connecting columns; 21. a jack; 3. a bolt head; 31. operating the counter bore; 32. connecting holes; 33. a cavity; 34. pulling a plate; 35. inserting a rod; 36. a pull rod; 37. a spring; 38. a slider; 39. a chute; 310. a pull ring; 4. a limiting ring; 41. positioning blocks; 5. a wear pad; 51. a snap ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.

Example (b): as shown in fig. 1-4, the utility model provides a wear-resistant bolt, which comprises a bolt body 1, wherein one end of the bolt body 1 is fixedly connected with a connecting column 2, the outer side of the connecting column 2 is detachably provided with a bolt head 3, one side of the bolt head 3, which is far away from the bolt body 1, is provided with an operation counter bore 31, the operation counter bore 31 is matched with a special tightening device for use in screwing the bolt head 3, which is the prior art, no redundant description is given here, one side of the bolt head 3, which is close to the bolt body 1, is provided with a connecting hole 32, the connecting column 2 can be slidably inserted into the connecting hole 32, the inside of the bolt head 3 is provided with a symmetrically arranged cavity 33, a pulling plate 34 is slidably clamped in the cavity 33, two ends of the pulling plate 34 are provided with symmetrically arranged sliders 38, and the inner walls at two sides of the cavity 33 are provided with symmetrically distributed sliding grooves 39, the sliding block 38 is slidably clamped in the sliding groove 39, the sliding block 38 and the sliding groove 39 are used in a matched manner, so that the movement of the pulling plate 34 is limited, the length of the sliding groove 39 is greater than that of the sliding block 38, so that the normal movement of the pulling plate 34 is ensured, the opposite sides of the pulling plate 34 are respectively provided with symmetrically distributed insertion rods 35, the connecting column 2 is provided with insertion holes 21 matched with the insertion rods 35 for use, the insertion rods 35 can be slidably inserted in the insertion holes 21, pull rods 36 are arranged on opposite sides of the pulling plate 34, springs 37 are movably sleeved on the outer sides of the pull rods 36, two ends of each spring 37 are respectively fixedly connected with the pulling plate 34 and the inner wall of the cavity 33, one end, far away from the pulling plate 34, of each pull rod 36 penetrates through the bolt head 3 and is provided with a pull ring 310 at the tail end thereof, a user can pull the pull ring 310, so that the pulling plate 34 is driven by the pull rods 36 to move, the outer side of each pull ring 310 is provided with a layer of anti-slip threads, the anti-slip lines can increase friction and facilitate pulling.

The fixed spacing ring 4 that has cup jointed in the one end outside that bolt body 1 is close to spliced pole 2, one side that bolt head 3 is close to bolt body 1 can contact with spacing ring 4, one side that spacing ring 4 is close to spliced pole 2 is equipped with the locating piece 41 that two sets of symmetries set up, the one end that bolt head 3 is close to spacing ring 4 can slide and insert and establish between locating piece 41, and setting up of locating piece 41 uses and provides convenience for the accurate installation of bolt head 3.

Bolt body 1 is close to the one end of spliced pole 2 and can dismantle and be equipped with abrasion pad 5, and abrasion pad 5 is close to one side of spliced pole 2 and can contact with spacing ring 4, the inboard integrated into one piece of abrasion pad 5 has snap ring 51, set up the annular groove 11 that uses with the cooperation of snap ring 51 on the bolt body 1, snap ring 51 can the activity card establish in annular groove 11, uses through the cooperation of snap ring 51 with annular groove 11, provides convenience for the change of abrasion pad 5, abrasion pad 5 is rubber construction with snap ring 51.

The working principle is as follows: when the bolt body 1 is used, the bolt body 1 can be placed at a proper position, one end of the tightening device is inserted into the operation counter bore 31, then the tightening device can be rotated, the bolt body 1 is driven to rotate through the bolt head 3, the bolt body 1 is inserted into a corresponding fixing hole in a workpiece to be connected, and in the tightening process, the wear-resistant pad 5 is in contact with the surface of the workpiece, so that the wear between the bolt body 1 and the workpiece can be avoided by utilizing the soft characteristic of rubber texture, and the service life of the bolt body 1 is prolonged;

after the work piece connection is accomplished, can take off the equipment of screwing up and stimulate two sets of pull rings 310 simultaneously, thereby it is motion dorsad to drive arm-tie 34 through pull rod 36, and then it is motion dorsad and extrudees spring 37 to drive to correspond inserted bar 35, until inserted bar 35 and jack 21 separation, can stimulate pull ring 310 to the one side of keeping away from bolt body 1 afterwards, thereby make bolt head 3 and spliced pole 2 separation, and then realized the convenient purpose of dismantling bolt head 3, avoid appearing other people and demolish the phenomenon of bolt at will, and be convenient for assemble it once more in the later stage, the practicality is higher.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wear-resistant bolt comprises a bolt body (1) and is characterized in that: one end of the bolt body (1) is fixedly connected with a connecting column (2), a bolt head (3) is detachably arranged on the outer side of the connecting column (2), an operation counter bore (31) is formed in one side, away from the bolt body (1), of the bolt head (3), a connecting hole (32) is formed in one side, close to the bolt body (1), of the bolt head (3), the connecting column (2) can be inserted into the connecting hole (32) in a sliding mode, symmetrically arranged cavities (33) are formed in the bolt head (3), pull plates (34) are arranged in the cavities (33) in a sliding clamping mode, symmetrically distributed inserting rods (35) are arranged on opposite sides of the pull plates (34), inserting holes (21) matched with the inserting rods (35) are formed in the connecting column (2), the inserting rods (35) can be inserted into the inserting holes (21) in a sliding mode, pull rods (36) are arranged on opposite sides of the pull plates (34), the outer side of the pull rod (36) is movably sleeved with a spring (37), and two ends of the spring (37) are fixedly connected with the pull plate (34) and the inner wall of the cavity (33) respectively.

2. A wear-resistant bolt according to claim 1, characterized in that a limiting ring (4) is fixedly sleeved on the outer side of one end of the bolt body (1) close to the connecting column (2), and one side of the bolt head (3) close to the bolt body (1) can be in contact with the limiting ring (4).

3. A wear-resistant bolt according to claim 2, characterized in that two sets of symmetrically arranged positioning blocks (41) are arranged on the side of the limiting ring (4) close to the connecting column (2), and one end of the bolt head (3) close to the limiting ring (4) can be slidably inserted between the positioning blocks (41).

4. The wear-resistant bolt as claimed in claim 2, wherein the end of the bolt body (1) close to the connecting column (2) is detachably provided with the wear-resistant pad (5), one side of the wear-resistant pad (5) close to the connecting column (2) can be in contact with the limiting ring (4), the inner side of the wear-resistant pad (5) is integrally formed with a snap ring (51), the bolt body (1) is provided with an annular groove (11) matched with the snap ring (51), and the snap ring (51) can be movably clamped in the annular groove (11).

5. A wear-resistant bolt according to claim 4, characterized in that the wear pad (5) and the snap ring (51) are of rubber construction.

6. The wear-resistant bolt as claimed in claim 1, wherein the two ends of the pulling plate (34) are provided with symmetrically arranged sliding blocks (38), the inner walls of the two sides of the cavity (33) are provided with symmetrically distributed sliding grooves (39), and the sliding blocks (38) are slidably clamped in the sliding grooves (39).

7. A wear-resistant bolt according to claim 6, in which the length of the runner (39) is greater than the length of the slide (38).

8. A wear-resistant bolt according to claim 1, characterized in that the end of the pull rod (36) remote from the pull plate (34) extends through the bolt head (3) and is provided with a pull ring (310) at its end, and the outer side of the pull ring (310) is covered with a layer of anti-slip threads.