Wear-resistant bolt

Abstract

The utility model provides a wear-resistant bolt, particularly relates to bolt technical field, including bolt body, limit mechanism and puller mechanism, one end surface of bolt body is provided with protective structure, the other end outer side of bolt body is provided with limit mechanism, the outer side surface of bolt body is in threaded connection with nut, and the puller mechanism is in threaded connection with the nut. When the wear-resistant bolt is used, the end cap of the bolt body can be sleeved with the cover cap, and the problems that the end cap is abraded, follow-up disassembly is not convenient, the nut possibly falls off due to external factors, the bolt body is disengaged from an installation hole, and the bolt body is damaged can be solved. The sliding groove in the nut passes through the fixing block and compresses the elastic piece to achieve installation, the nut can be prevented from being separated from the bolt body through limiting of the elastic piece, after the nut is installed and tightened, the screw can be screwed into the threaded hole, one end of the screw abuts against the nut, and therefore the nut can be better fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of bolts, in particular to a wear-resistant bolt. Background Art

[0002] As we all know, bolts are quite common in daily life. In large equipment, larger bolts are needed due to the need for extremely stable connection strength. Traditional bolts of this type are composed of a bolt body and a bolt head. The outer peripheral wall of the bolt body is provided with an external thread and is threadedly connected to the screw hole in the workpiece to play a fixing role. In the existing technology, the nut on the bolt is usually exposed to the outside of the workpiece, the nut is easily rubbed by foreign objects, and the nut on the bolt is easy to fall off and easily lost after falling off, which will make the bolt unusable. Utility Model Content

[0003] The utility model aims to provide a wear-resistant bolt to solve the problem in the prior art proposed in the above background technology that the nut on the bolt is usually exposed to the outside of the workpiece, the nut is easily rubbed by foreign objects, and the nut on the bolt is easy to fall off and easily lost after falling off, which makes the bolt unusable.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wear-resistant bolt, comprising a bolt body, a limiting mechanism and a tightening mechanism, wherein a protective structure is arranged on the surface of one end of the bolt body, a limiting mechanism is arranged on the outer side of the other end of the bolt body, a nut is threadedly connected to the outer surface of the bolt body, a mounting structure is arranged on the inner surface of the nut, the limiting mechanism comprises a fixing block, and a tightening mechanism is arranged on the inner surface of the fixing block.

[0005] Preferably, the protective structure includes a cap, and the cap is sleeved on one end surface of the bolt body, the inner surface of the cap is tightly fitted with the one end surface of the bolt body, and the cap is made of rubber.

[0006] Preferably, the limiting mechanism comprises a fixing block and a spring sheet, the fixing block is integrally formed on the outer side of the other end of the bolt body, the outer surface of the fixing block is integrally formed with a spring sheet, and two spring sheets are provided.

[0007] Preferably, the mounting structure comprises a slide groove, the inner surface of the nut is provided with the slide groove, and the inner wall size of the slide groove matches the outer wall size of the fixing block.

[0008] Preferably, the tightening mechanism comprises a threaded hole and a screw rod, a threaded hole is provided through the bottom of the fixing block, and the inner surface of the threaded hole is threadedly connected with the screw rod.

[0009] Preferably, one end of the screw rod conflicts with the nut.

[0010] Compared with the prior art, the beneficial effects of the utility model are: when the wear-resistant bolt is in use, the cover cap can be set on the end cap of the bolt body, which can prevent the end cap from being worn and inconvenient for subsequent disassembly. The nut may fall off due to external factors, which will cause the bolt body to separate from the installation hole, and the slide groove on the nut is installed by the fixing block and compressing the spring sheet. The nut can be prevented from separating from the bolt body through the limiting of the spring sheet. After the nut is installed and tightened, the screw rod can be screwed into the threaded hole and one end of the screw rod can be made to contact the nut, which can better fix the nut. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the appearance of the utility model;

[0012] Figure 2 This is a schematic diagram of the structure of the bolt body and the cover cap used in conjunction with each other in the utility model;

[0013] Figure 3 This is a schematic diagram of the structure of the nut and the slide groove used in conjunction with each other in the utility model;

[0014] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0015] In the figure: 1. bolt body; 2. cover cap; 3. limit mechanism; 301. fixing block; 302. spring piece; 4. nut; 5. slide groove; 6. tightening mechanism; 601. threaded hole; 602. screw. DETAILED DESCRIPTION

[0016] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0017] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the present invention to be protected, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0019] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0020] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower", etc. is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the invention product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0021] See also Figure 1-4 The utility model discloses a wear-resistant bolt, comprising a bolt body 1, a limiting mechanism 3 and a tightening mechanism 6. A protective structure is arranged on the surface of one end of the bolt body 1, a limiting mechanism 3 is arranged on the outer side of the other end of the bolt body 1, a nut 4 is threadedly connected to the outer surface of the bolt body 1, and a mounting structure is arranged on the inner surface of the nut 4. The limiting mechanism 3 comprises a fixing block 301, and a tightening mechanism 6 is arranged on the inner surface of the fixing block 301.

[0022] In order to protect the bolt body 1, the protective structure includes a cover cap 2. The cover cap 2 is sleeved on one end surface of the bolt body 1. The inner surface of the cover cap 2 is tightly fitted with the one end surface of the bolt body 1. The cover cap 2 is made of rubber. In order to protect the bolt body 1, when in use, the cover cap 2 can be sleeved on the end cap of the bolt body 1 to prevent the end cap from being worn and inconvenient for subsequent disassembly.

[0023] In order to prevent the nut 4 from falling off, the limiting mechanism 3 includes a fixing block 301 and a spring piece 302. The fixing block 301 is integrally formed on the outer side of the other end of the bolt body 1, and the outer surface of the fixing block 301 is integrally formed with a spring piece 302. Two spring pieces 302 are provided. When in use, the nut 4 may fall off due to external factors, which will cause the bolt body 1 to be separated from the installation hole. The slide groove 5 on the nut 4 is installed through the fixing block 301 and compresses the spring piece 302. The limiting of the spring piece 302 can prevent the nut 4 from being separated from the bolt body 1.

[0024] In order to better limit the position, the installation structure includes a slide groove 5. The inner surface of the nut 4 is provided with a slide groove 5. The inner wall size of the slide groove 5 is consistent with the outer wall size of the fixed block 301. The setting of the fixed block 301 can prevent the nut 4 from falling off and being lost.

[0025] In order to better fix the nut 4, the tightening mechanism 6 includes a threaded hole 601 and a screw 602. A threaded hole 601 is opened through the bottom of the fixing block 301, and the inner surface of the threaded hole 601 is threadedly connected with the screw 602. After the nut 4 is installed and tightened, the screw 602 can be screwed into the threaded hole 601 and one end of the screw 602 can be against the nut 4, so that the nut 4 can be better fixed.

[0026] In order to better fix the nut 4 , one end of the screw rod 602 abuts against the nut 4 .

[0027] Working principle: When in use, the cover cap 2 can be sleeved on the end cap of the bolt body 1 to prevent the end cap from being worn and inconvenient for subsequent disassembly. The nut 4 may fall off due to external factors, which will cause the bolt body 1 to be separated from the installation hole, and the slide groove 5 on the nut 4 is installed through the fixing block 301 and compressing the spring piece 302. The nut 4 can be prevented from being separated from the bolt body 1 through the limiting of the spring piece 302. After the nut 4 is installed and tightened, the screw rod 602 can be screwed into the threaded hole 601, and one end of the screw rod 602 can be made to contact the nut 4, which can better fix the nut 4.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the implementation rules without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wear-resistant bolt, comprising a bolt body (1), a limiting mechanism (3) and a tightening mechanism (6), characterized in that: A protective structure is provided on one end surface of the bolt body (1), a limiting mechanism (3) is provided on the outer side of the other end of the bolt body (1), a nut (4) is threadedly connected to the outer surface of the bolt body (1), a mounting structure is provided on the inner surface of the nut (4), the limiting mechanism (3) comprises a fixing block (301), and a tightening mechanism (6) is provided on the inner surface of the fixing block (301).

2. A wear-resistant bolt according to claim 1, characterized in that: The protective structure comprises a cover cap (2), one end surface of the bolt body (1) is sleeved with the cover cap (2), the inner surface of the cover cap (2) is tightly fitted with the one end surface of the bolt body (1), and the cover cap (2) is made of rubber.

3. The wear-resistant bolt according to claim 1, characterized in that: The limiting mechanism (3) comprises a fixing block (301) and a spring sheet (302); the fixing block (301) is integrally formed on the outer side of the other end of the bolt body (1); the outer surface of the fixing block (301) is integrally formed with a spring sheet (302); and two spring sheets (302) are provided.

4. The wear-resistant bolt according to claim 1, characterized in that: The mounting structure comprises a slide groove (5), the inner surface of the nut (4) is provided with a slide groove (5), and the inner wall size of the slide groove (5) is consistent with the outer wall size of the fixing block (301).

5. The wear-resistant bolt according to claim 1, characterized in that: The tightening mechanism (6) comprises a threaded hole (601) and a screw rod (602); a threaded hole (601) is provided through the bottom of the fixing block (301); and the inner surface of the threaded hole (601) is threadedly connected with the screw rod (602).

6. The wear-resistant bolt according to claim 5, characterized in that: One end of the screw rod (602) is in conflict with the nut (4).

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