Bolt with good wear resistance

Abstract

The utility model discloses a bolt with good wear resistance, which relates to the technical field of bolts, and comprises a bolt bar and a bolt head, the top end of the bolt bar is provided with the bolt head, the outer side of the bolt head is provided with a first wear-resistant layer, and the top end of the bolt head is provided with a groove. The first wear-resisting layer, the second wear-resisting layer and the third wear-resisting layer are installed, the bolt head fixes the first wear-resisting layer on the outer side, stability of the first wear-resisting layer is guaranteed, the first wear-resisting layer is composed of a nickel-plated layer, wear-resisting performance of the bolt rod is improved, the service life of the bolt rod is guaranteed, the bolt rod fixes the second wear-resisting layer on the outer side, and the service life of the bolt rod is prolonged. Connecting threads are arranged on the outer side of the second wear-resistant layer, the second wear-resistant layer is movably connected with a nut through the connecting threads, the nut moves up and down on the outer side of the bolt rod, the nut abuts against the lower portion of a component, the nut fixes the third wear-resistant layer on the outer side, and the third wear-resistant layer is composed of a nickel-plated layer, so that the wear-resistant performance is improved, and the service life of the bolt is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to bolt technical field, concretely is a kind of bolt with good wear resistance. BACKGROUND

[0002] Bolt is mechanical part, cylindrical threaded fastener with nut, two parts consisting of head and screw rod are a kind of fastener, need to cooperate with nut, for fastening connection two parts with through hole, this connection form is called bolt connection, such as nut is spun down from bolt, again can make two parts separate, so bolt connection is belongs to detachable connection, using the physical and mathematical principles of object's bevel circular rotation and friction, gradually tightens the tool of machine part.

[0003] Patent document CN212155400U discloses a double hexagonal bolt head bolt, which discloses "a double hexagonal bolt head bolt, comprising a bolt body, the bolt body is fixed with first bolt head, the side wall of the first bolt head is fixed with second bolt head";

[0004] The existing bolt lacks wear-resistant structure inside, and the bolt will be damaged after long-term use, which can easily cause the bolt to be activated. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of bolt with good wear resistance, to solve the technical problem that the inside of bolt lacks wear-resistant structure in the above background art, bolt can be damaged after long-term use, it is easy to cause the technical problem that bolt is activated.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of bolt with good wear resistance, comprising: bolt rod and bolt head, the top of the bolt rod is installed with bolt head, the outside of the bolt head is installed with first wear-resistant layer, the top of the bolt head is equipped with recess, the two sides of the recess are equipped with limit slot, limit slot is equipped in the inside of bolt head, the bottom of the recess is equipped with slot, slot is arranged in the inside of bolt head, the outside of the bolt rod is movably installed with first gasket, first gasket is below bolt head, the inside of the recess is movably installed with clamping block, the two sides of the clamping block are installed with clamping piece, clamping piece is embedded to the inside of limit slot.

[0007] Preferably, the top of the clamping block is equipped with cross slot, and the bottom of the clamping block is equipped with a slot.

[0008] Preferably, the top and bottom of the clamping block are installed with fitting blocks, and the fitting blocks are embedded to the inside of the slot.

[0009] Preferably, the outside of the bolt rod is movably installed with second gasket.

[0010] Preferably, the outer side of the bolt rod is provided with a second wear-resistant layer, and the outer side of the second wear-resistant layer is provided with a connecting thread.

[0011] Preferably, the outer side of the second wear-resistant layer is movably provided with a nut through the connecting thread, and the nut is located below the second gasket.

[0012] Preferably, the outer side of the nut is provided with a third wear-resistant layer.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The utility model discloses a first wear-resistant layer, a second wear-resistant layer and a third wear-resistant layer are installed, the bolt head is fixed to the outer side first wear-resistant layer, guarantees the stability of first wear-resistant layer, and first wear-resistant layer is composed of nickel plating layer, improves the wear resistance of bolt rod, guarantees the service life of bolt rod, and the bolt rod is fixed to the outer side second wear-resistant layer, guarantees the stability of second wear-resistant layer, and the outer side of second wear-resistant layer is provided with connecting thread, and is movably connected with the nut through connecting thread, and the nut moves up and down on the outer side of bolt rod, and the nut is located below the component, and the nut is fixed to the outer side third wear-resistant layer, and third wear-resistant layer is composed of nickel plating layer, improves the wear resistance, and prolongs the service life of bolt.

[0015] 2. The utility model discloses a recess is installed, and the recess is set up in the top of bolt head, and the both sides of recess are provided with limit slot, and the both sides clamping piece is fixed to the clamping block, guarantees the stability of clamping block and clamping piece structure, and the clamping block is embedded to the inner side of recess, and the clamping piece is embedded to the inner side of limit slot, guarantees the stability of clamping block and clamping piece, and the user installs clamping block and clamping piece conveniently, and the top of clamping block is provided with cross groove, and the bottom of clamping block is provided with a slot, and the user can adjust the angle of clamping block, and the user can adjust conveniently according to the tool, improves the use range of bolt. ACCURATE DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the side structure schematic diagram of the utility model;

[0018] Figure 3 It is the section structure schematic diagram of the utility model;

[0019] Figure 4 It is the clamping block structure schematic diagram of the utility model.

[0020] In the figure: 1, bolt rod; 2, bolt head; 3, first wear-resistant layer; 4, first gasket; 5, groove; 6, limiting groove; 7, clamping groove; 8, second wear-resistant layer; 9, second gasket; 10, nut; 11, third wear-resistant layer; 12, clamping block; 13, clamping piece; 14, fitting block; 15, cross groove; 16, straight groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4The utility model provides a bolt with good wear resistance, which comprises a bolt rod 1 and a bolt head 2, the top end of the bolt rod 1 is provided with the bolt head 2, the outer side of the bolt head 2 is provided with a first wear-resistant layer 3, the top end of the bolt head 2 is provided with a groove 5, the two sides of the groove 5 are provided with limiting grooves 6, the limiting grooves 6 are provided on the inner side of the bolt head 2, the bottom end of the groove 5 is provided with a clamping groove 7, the clamping groove 7 is provided on the inner side of the bolt head 2, the outer side of the bolt rod 1 is movably provided with a first gasket 4, the first gasket 4 is located below the bolt head 2, the inner side of the groove 5 is movably provided with a clamping block 12, the two sides of the clamping block 12 are provided with clamping pieces 13, and the clamping pieces 13 are embedded in the inner side of the limiting groove 6.

[0025] The top end of the bolt rod 1 is fixedly connected with the bolt head 2, so as to ensure the stability of the structure of the bolt rod 1 and the bolt head 2, the outer side of the bolt head 2 is fixed with the first wear-resistant layer 3, so as to ensure the stability of the first wear-resistant layer 3, the first wear-resistant layer 3 is composed of a nickel plating layer, so as to improve the wear resistance of the bolt rod 1, ensure the service life of the bolt rod 1, and limit the outer side of the bolt rod 1 with the first gasket 4.

[0026] The groove 5 is arranged at the top of the bolt head 2, the limiting grooves 6 are arranged at the two sides of the groove 5, the clamping block 12 is fixed with the clamping pieces 13, so as to ensure the stability of the structure of the clamping block 12 and the clamping pieces 13, the clamping block 12 is embedded in the inner side of the groove 5, the clamping pieces 13 are embedded in the inner side of the limiting groove 6, so as to ensure the stability of the clamping block 12 and the clamping pieces 13, facilitate the user to install the clamping block 12 and the clamping pieces 13, the clamping block 12 is fixed with the top and bottom embedding blocks 14, so as to ensure the stability of the embedding blocks 14, the embedding blocks 14 are inserted into the inner side of the clamping groove 7, and the user can accurately install the clamping block 12.

[0027] The top of the clamping block 12 is provided with a cross groove 15, and the bottom end of the clamping block 12 is provided with a single groove 16.

[0028] The top of the clamping block 12 is provided with a cross groove 15, and the bottom of the clamping block 12 is provided with a single groove 16, so that the user can adjust the angle of the clamping block 12, facilitate the user to adjust according to the tool, and improve the use range of the bolt.

[0029] The top and bottom of the clamping block 12 are provided with embedding blocks 14, the embedding blocks 14 are embedded in the inner side of the clamping groove 7, the clamping block 12 is fixed with the top and bottom embedding blocks 14, so as to ensure the stability of the embedding blocks 14, the embedding blocks 14 are inserted into the inner side of the clamping groove 7, and the user can accurately install the clamping block 12.

[0030] The outer side of the bolt rod 1 is movably provided with a second gasket 9, the bolt rod 1 limits the outer side of the second gasket 9, and the nut 10 is abutted against the equipment through the second gasket 9, so as to improve the stability of the bolt.

[0031] The outer side of the bolt rod 1 is provided with a second wear-resistant layer 8, the outer side of the second wear-resistant layer 8 is provided with a connecting thread, the outer side of the second wear-resistant layer 8 is movably installed with a nut 10 through the connecting thread, and the nut 10 is located below the second gasket 9, and the outer side of the nut 10 is provided with a third wear-resistant layer 11;

[0032] The bolt rod 1 fixes the outer side of the second wear-resistant layer 8 to ensure the stability of the second wear-resistant layer 8, the outer side of the second wear-resistant layer 8 is provided with a connecting thread, and the second wear-resistant layer 8 is movably connected with the nut 10 through the connecting thread, the nut 10 moves up and down on the outer side of the bolt rod 1, the nut 10 abuts against the lower part of the component, the nut 10 fixes the outer side of the third wear-resistant layer 11, the third wear-resistant layer 11 is composed of a nickel plating layer, the wear resistance is improved, and the service life of the bolt is prolonged.

[0033] The working principle is that the top end of the bolt rod 1 is fixedly connected with the bolt head 2 to ensure the stability of the structure of the bolt rod 1 and the bolt head 2, the bolt head 2 fixes the outer side of the first wear-resistant layer 3 to ensure the stability of the first wear-resistant layer 3, the first wear-resistant layer 3 is composed of a nickel plating layer, the wear resistance of the bolt rod 1 is improved, and the service life of the bolt rod 1 is ensured, the bolt rod 1 limits the outer side of the first gasket 4, the bolt rod 1 fixes the outer side of the second wear-resistant layer 8 to ensure the stability of the second wear-resistant layer 8, the outer side of the second wear-resistant layer 8 is provided with a connecting thread, the second wear-resistant layer 8 is movably connected with the nut 10 through the connecting thread, the nut 10 moves up and down on the outer side of the bolt rod 1, the nut 10 abuts against the lower part of the component, the third wear-resistant layer 11 is composed of a nickel plating layer, the wear resistance is improved, the service life of the bolt is verified, the groove 5 is arranged on the top of the bolt head 2, the two sides of the groove 5 are provided with limiting grooves 6, the clamping block 12 fixes the two sides of the clamping piece 13 to ensure the stability of the structure of the clamping block 12 and the clamping piece 13, the clamping block 12 is embedded into the inner side of the groove 5, the clamping piece 13 is embedded into the inner side of the limiting groove 6 to ensure the stability of the clamping block 12 and the clamping piece 13, the clamping block 12 and the clamping piece 13 are convenient for a user to install, the clamping block 12 fixes the top and bottom embedded blocks 14 to ensure the stability of the embedded blocks 14, the embedded blocks 14 are inserted into the inner side of the clamping groove 7, the clamping block 12 is convenient for a user to accurately install, a cross groove 15 is arranged on the top of the clamping block 12, a letter groove 16 is arranged on the bottom of the clamping block 12, a user can adjust the angle of the clamping block 12, a user is convenient for adjusting according to tools, and the use range of the bolt is improved.

[0034] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A bolt with good wear resistance, characterized in that, It include: bolt rod (1) and bolt head (2), the top end of the bolt rod (1) is equipped with bolt head (2), the outside of bolt head (2) is equipped with first wear layer (3), the top end of bolt head (2) is equipped with recess (5), the both sides of recess (5) are equipped with limit slot (6), limit slot (6) is equipped in the inside of bolt head (2), the bottom end of recess (5) is equipped with clamping groove (7), clamping groove (7) is arranged in the inside of bolt head (2), the outside of bolt rod (1) is movably equipped with first gasket (4), first gasket (4) is below bolt head (2), the inside of recess (5) is movably equipped with clamping block (12), the both sides of clamping block (12) are equipped with clamping piece (13), clamping piece (13) is embedded in the inside of limit slot (6).

2. A bolt with good wear resistance according to claim 1, characterized in that: The top of clamping block (12) is equipped with cross slot (15), the bottom end of clamping block (12) is equipped with one-way slot (16).

3. A bolt with good wear resistance according to claim 1, characterized in that: The top and bottom of clamping block (12) are equipped with embedded block (14), embedded block (14) is embedded in the inside of clamping groove (7).

4. The bolt of good wear resistance according to claim 1, characterized in that: The outside of bolt rod (1) is movably equipped with second gasket (9).

5. The bolt of good wear resistance according to claim 1, characterized in that: The outside of bolt rod (1) is equipped with second wear layer (8), the outside of second wear layer (8) is provided with connecting thread.

6. A bolt with good wear resistance according to claim 5, characterized in that: The outside of second wear layer (8) is movably equipped with nut (10) through connecting thread, and nut (10) is below second gasket (9).

7. A bolt with good wear resistance according to claim 6, characterized in that: The outside of nut (10) is equipped with third wear layer (11).

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