CN219013124U

CN219013124U - Wear-resistant bolt

Info

Publication number: CN219013124U
Application number: CN202223518467.4U
Authority: CN
Inventors: 李晶芳; 刘桃
Original assignee: Wenzhou Shengwei Vehicle Parts Co ltd
Current assignee: Wenzhou Shengwei Vehicle Parts Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-12
Anticipated expiration: 2032-12-28

Abstract

The utility model relates to the field of wear-resistant bolts and discloses a wear-resistant bolt, which comprises a bolt main body, wherein nuts are connected to the outer surface of the bolt main body at the positions close to the lower side in a threaded manner, the bolt main body comprises an outer cylinder, an inner cylinder is sleeved in a sliding manner at the central position of the upper end surface of the outer cylinder, first sliding grooves are formed in the inner surfaces of the two sides of the outer cylinder at the positions close to the upper side, first springs are fixedly arranged on the inner bottom surfaces of the two first sliding grooves, and a wear-resistant layer is fixedly arranged on the outer surface of the outer cylinder. According to the wear-resistant bolt, the bolt body is protected through the wear-resistant paint sprayed on the outer surface, the wear resistance and the service life of the bolt body are improved, the threads are enabled to be staggered upwards through the first spring pushing convex blocks, so that bolt connection is more fastened and difficult to loosen, the ring body can be separated up and down through the clamping connection of the rotating plate loosening arc blocks to the arc plates, the spring pushing in the placing groove is used for increasing friction force, and the possibility of loosening is reduced.

Description

Wear-resistant bolt

Technical Field

The utility model relates to the field of wear-resistant bolts, in particular to a wear-resistant bolt.

Background

The utility model discloses a bolt with good wear resistance, which relates to the technical field of bolts and comprises a nut, wherein a screw is fixedly arranged at the bottom of the nut, a thread groove is formed in the outer side of the screw, a first nickel plating layer is coated on the outer side of the screw, a fixed inner rod is fixedly arranged in the screw, a nut is sleeved at the bottom of the outer side of the screw, a diamond layer is fixedly arranged in the nut, a second nickel plating layer is coated on the inner wall of the diamond layer, a third nickel plating layer is coated on the outer side of the nut, the thickness of the diamond layer is smaller than five centimeters at zero, and a threaded hole matched with the thread groove is formed in the diamond layer. This bolt that wear resistance is good through setting up first nickel plating layer, second nickel plating layer and third nickel plating layer, can improve the wearability of screw rod and nut, through setting up the diamond layer, can improve the life of nut, reduces the wearing and tearing of nut inner wall, increases the wearability, and this structure has reached the effectual effect of wearability, increases the life of bolt.

The inventors found that the following problems exist in the prior art in the process of implementing the present utility model: 1. the patent does not have a looseness prevention mechanism, so that the bolt is easy to loosen after being connected, and the use is affected; 2. the nut of this patent also does not have a looseness prevention mechanism, so that the nut is easily loosened when connected with a bolt.

Accordingly, one skilled in the art would provide a wear resistant bolt to address the problems set forth in the background above.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a wear-resistant bolt, wherein a bolt main body of the wear-resistant bolt is protected by wear-resistant paint sprayed on the outer surface, the wear resistance of the bolt main body is increased, the service life is prolonged, movable threads are arranged on the outer surface of the bolt main body, the threads are staggered upwards through a first spring pushing convex block, so that bolt connection is more fastened and difficult to loosen, a placing groove is arranged in a nut of the wear-resistant bolt, the ring main body can be separated up and down through the clamping connection of a rotating plate loosening arc block to an arc plate, the threads of the nut are pushed onto the threads of the bolt up and down through the spring pushing in the placing groove, the friction force between the threads is increased, and the possibility of loosening is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the wear-resistant bolt comprises a bolt main body, wherein a nut is connected to the outer surface of the bolt main body at the lower side in a threaded manner;

the bolt main body comprises an outer cylinder, an inner cylinder is sleeved in the center of the upper end surface of the outer cylinder in a sliding manner, first sliding grooves are formed in the positions, close to the upper sides, of the inner surfaces of the two sides of the outer cylinder, first springs are fixedly arranged on the inner bottom surfaces of the two first sliding grooves, and a wear-resistant layer is fixedly arranged on the outer surface of the outer cylinder;

the nut comprises a ring main body, an arc groove is formed in the center of one side end surface of the ring main body, and a supporting hole is formed in the center of one side inner wall of the arc groove;

through above-mentioned technical scheme, screw thread through bolt main part surface precesses, reduces wearing and tearing by the wearing layer to move through first spring top and drive interior cylinder and push up and move, make the partial screw thread dislocation on outer cylinder surface, thereby increase frictional force, become difficult not hard up.

Further, a second chute is arranged at the middle of the upper end surface of the outer column body near one side, and a baffle is arranged on the inner bottom surface of the second chute in a sliding manner;

through above-mentioned technical scheme, block first spring through the baffle and push up the internal column body and move, pull open the baffle internal body and just can upwards.

Further, the upper end surfaces of the two first springs are fixedly provided with protruding blocks, and the two protruding blocks are respectively and fixedly connected with the upper side positions of the outer surfaces of the two sides of the inner cylinder;

through above-mentioned technical scheme, thereby move the lug through first spring top and drive interior cylinder and rise, misplace the screw thread, increase the fastening nature for difficult not hard up.

Further, a plurality of connecting rods are fixedly arranged on the outer surfaces of the two sides of the inner column body near the lower side, and movable threads are fixedly arranged on the end faces of one side of each connecting rod;

through above-mentioned technical scheme, the interior cylinder that moves through first spring top drives the movable screw thread that the connecting rod is connected and rises, blocks other screw threads, makes the bolt main part become difficult not hard up.

Further, placing grooves are formed in the two sides of the ring main body, and second springs are fixedly arranged on the inner bottom surfaces of the two placing grooves;

through above-mentioned technical scheme, through the inside second spring top ring main part of standing groove for the ring main part separates from top to bottom, lets the inside screw thread of ring main part block from top to bottom, increases the fastening and makes the nut difficult not hard up.

Further, arc plates are fixedly arranged at the front side and the rear side of the inner surface of the arc groove, and a rotary rod is rotatably arranged in the supporting hole;

through above-mentioned technical scheme, come the joint through the inside arc board of arc groove for can closely laminate about the ring main part, the unable bullet of second spring is opened.

Further, a rotating plate is fixedly arranged on one side end face of the rotating rod, and arc blocks are fixedly arranged on the upper side and the lower side of one side end face of the rotating plate;

through above-mentioned technical scheme, through rotating the rotatory board, drive the arc piece card on the arc board, accomplish to compress tightly the effect of second spring, the rotatory board arc piece of rotating again rotates away from the arc board for the ring main part is moved from top to bottom by the second spring and is separated, blocks the screw thread, makes the nut difficult not hard up.

The utility model has the following beneficial effects:

1. according to the wear-resistant bolt provided by the utility model, the bolt main body of the wear-resistant bolt is protected by the wear-resistant paint sprayed on the outer surface, so that the wear resistance of the bolt main body is increased, the service life is prolonged, the outer surface of the bolt main body is provided with the movable thread, and the movable thread pushes the lug through the first spring to enable the thread to be staggered upwards, so that the bolt connection is more fastened and difficult to loosen.

2. According to the wear-resistant bolt, the placing groove is formed in the nut of the wear-resistant bolt, the arc block is loosened by rotating the rotating plate to clamp the arc plate, so that the ring main body can be separated up and down, the threads of the nut are propped up and down to the threads of the bolt by the spring in the placing groove, friction force between the threads is increased, and the possibility of loosening is reduced.

Drawings

FIG. 1 is a schematic axial view of a wear-resistant bolt according to the present utility model;

FIG. 2 is a schematic front cross-sectional view of a bolt body of a wear-resistant bolt according to the present utility model;

FIG. 3 is an enlarged schematic view of FIG. 2;

FIG. 4 is a schematic view of a wear-resistant bolt according to the present utility model;

FIG. 5 is a schematic front cross-sectional view of a nut of a wear-resistant bolt according to the present utility model;

fig. 6 is an isometric view of the arc slot of the present utility model.

Legend description:

1. a bolt body; 2. a nut; 101. an outer cylinder; 102. an inner cylinder; 103. a connecting rod; 104. a movable thread; 105. a baffle; 106. a bump; 107. a first chute; 108. a first spring; 109. a second chute; 110. a wear-resistant layer; 201. a ring body; 202. a placement groove; 203. a second spring; 204. a rotating plate; 205. an arc block; 206. a rotating rod; 207. an arc groove; 208. a support hole; 209. an arc plate.

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. 1-6, one embodiment provided by the present utility model is: the wear-resistant bolt comprises a bolt main body 1, wherein a nut 2 is connected to the outer surface of the bolt main body 1 at the lower side in a threaded manner;

the bolt main body 1 comprises an outer column body 101, an inner column body 102 is sleeved in the center of the upper end surface of the outer column body 101 in a sliding manner, first sliding grooves 107 are formed in the positions, close to the upper sides, of the inner surfaces of the two sides of the outer column body 101, and are used for placing first springs 108, first springs 108 are fixedly arranged on the inner bottom surfaces of the two first sliding grooves 107, the inner column body 102 is driven to ascend, a wear-resistant layer 110 is fixedly arranged on the outer surface of the outer column body 101, and abrasion of the bolt main body 1 is reduced;

the nut 2 comprises a ring main body 201, an arc groove 207 is formed in the center position of one side end surface of the ring main body 201, a supporting hole 208 is formed in the center position of one side inner wall of the arc groove 207, abrasion is reduced by the abrasion-resistant layer 110 through screwing in of threads on the surface of the bolt main body 1, the inner cylinder 102 is driven to move upwards through pushing of the first spring 108, partial threads on the surface of the outer cylinder 101 are misplaced, friction force is increased, and loosening is difficult to occur.

The second chute 109 has been seted up near one side position in the middle of the up end of outer cylinder 101, the bottom surface slides in the second chute 109 and is provided with baffle 105, it moves upward to block first spring 108 through baffle 105, pull open the interior cylinder 102 of baffle 105 and just can upwards, two first spring 108 up end are all fixed to be provided with lug 106, two lug 106 fixed connection respectively in cylinder 102 both sides surface upside position, thereby move lug 106 through first spring 108 top and drive interior cylinder 102 and rise, dislocation is carried out to the screw thread, increase the fastening nature, make difficult not hard up, the interior cylinder 102 both sides surface is provided with a plurality of connecting rods 103 near downside position is fixed, a plurality of connecting rods 103 side terminal surfaces are all fixed and are provided with movable screw thread 104, the interior cylinder 102 that pushes up through first spring 108 drives the movable screw thread 104 that connecting rod 103 connects and rises, block other screw threads, make bolt main body 1 become difficult for becoming flexible.

The standing grooves 202 are formed in the two sides of the ring main body 201, the second springs 203 are fixedly arranged on the inner bottom surfaces of the two standing grooves 202, the ring main body 201 is pushed against the second springs 203 through the second springs 203 in the standing grooves 202, the ring main body 201 is separated up and down, threads in the ring main body 201 are clamped up and down, fastening is increased, nuts 2 are not easy to loosen, the front side and the rear side of the inner surface of the arc grooves 207 are fixedly provided with arc plates 209, rotating rods 206 are rotatably arranged in supporting holes 208, the arc plates 209 are clamped through the inner arc grooves 207, the ring main body 201 can be tightly attached up and down, the second springs 203 cannot be sprung out, a rotating plate 204 is fixedly arranged on one side end surface of the rotating rods 206, arc blocks 205 are fixedly arranged on the upper side and the lower side of one side end surface of the rotating plate 204, the arc blocks 205 are driven to be clamped on the arc plates 209, the effect of pressing the second springs 203 is achieved, the arc blocks 205 are rotated away from the arc plates 209 again, the upper side and the lower sides of the ring main body 201 are separated by the second springs 203, and the threads are not easy to loosen.

Working principle: when the wear-resistant bolt is used, the screw thread outside the outer column body 101 is screwed into a hole to be connected, the nut 2 is screwed in, the baffle 105 is pulled open, the first spring 108 pushes the convex block 106 to drive the inner column body 102 to ascend, the movable screw thread 104 is driven to ascend and be clamped on other screw threads, dislocation is formed, the bolt is not easy to loosen, the arc block 205 is loosened through rotating the rotating plate 204 to be clamped with the arc plate 209, the second spring 203 pushes the ring main body 201, the screw thread inside the ring main body 201 pushes up and down, and the nut 2 is not easy to loosen.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Wear-resistant bolt, comprising a bolt body (1), characterized in that: a nut (2) is connected to the outer surface of the bolt main body (1) at the lower side in a threaded manner;

the bolt main body (1) comprises an outer column body (101), an inner column body (102) is sleeved at the center of the upper end face of the outer column body (101) in a sliding mode, first sliding grooves (107) are formed in the positions, close to the upper side, of the inner surfaces of the two sides of the outer column body (101), first springs (108) are fixedly arranged on the inner bottom surfaces of the two first sliding grooves (107), and a wear-resistant layer (110) is fixedly arranged on the outer surface of the outer column body (101);

the nut (2) comprises a ring main body (201), an arc groove (207) is formed in the center of one side end face of the ring main body (201), and a supporting hole (208) is formed in the center of one side inner wall of the arc groove (207).

2. A wear stud in accordance with claim 1, wherein: a second chute (109) is formed in the middle of the upper end face of the outer column body (101) and near one side, and a baffle (105) is slidably arranged on the inner bottom surface of the second chute (109).

3. A wear stud in accordance with claim 1, wherein: the upper end faces of the two first springs (108) are fixedly provided with protruding blocks (106), and the two protruding blocks (106) are respectively and fixedly connected to the upper side positions of the outer surfaces of the two sides of the inner cylinder (102).

4. A wear stud in accordance with claim 1, wherein: a plurality of connecting rods (103) are fixedly arranged on the outer surfaces of two sides of the inner column body (102) near the lower side, and movable threads (104) are fixedly arranged on one side end surface of each connecting rod (103).

5. A wear stud in accordance with claim 1, wherein: the inner parts of two sides of the ring main body (201) are respectively provided with a placing groove (202), and the inner bottom surfaces of the two placing grooves (202) are respectively fixedly provided with a second spring (203).

6. A wear stud in accordance with claim 1, wherein: the front side and the rear side of the inner surface of the arc groove (207) are fixedly provided with arc plates (209), and the supporting hole (208) is internally provided with a rotating rod (206) in a rotating mode.

7. A wear stud in accordance with claim 6, wherein: the rotary rod is characterized in that a rotary plate (204) is fixedly arranged on one side end face of the rotary rod (206), and arc blocks (205) are fixedly arranged on the upper side and the lower side of one side end face of the rotary plate (204).