Wear-resistant bolt

Abstract

The utility model discloses a wear-resistant bolt, which relates to the technical field of bolts, and comprises a screw, a nut and a protective sleeve, the inner wall of the nut is provided with an embedding groove, the bottom of the protective sleeve is provided with an embedding column, the bottom of the protective sleeve is provided with an adsorption magnet, the outer wall of the nut is provided with a positioning groove, the inner wall of the positioning groove is provided with a positioning column, and the inner wall of the positioning groove is provided with the adsorption magnet. And a positioning block is mounted on the outer wall of the positioning column. The protective mechanism is installed, the protective sleeve is moved into the nut, an embedding column is located in an embedding groove, at the moment, an adsorption magnet and the interior of the nut are adsorbed, and at the moment, the protective sleeve is in a horizontal state, so that the nut is prevented from being damaged due to the fact that the nut is twisted for a long time in the prior art, and later-stage bolt disassembly and assembly are affected. And then the positioning columns are fixed into the positioning grooves, the positioning columns are fixed through the positions of the positioning blocks and the protection sleeves, and therefore the situation that internal lines of the nut are damaged due to long-time use, and disassembly and assembly of the bolt are affected is avoided.

Description

TECHNICAL FIELD

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

[0002] As a kind of high-performance fastener, wear-resistant bolt is widely used in various industrial scenes with extremely high wear resistance requirements, its design aims to improve the durability and safety of connecting components, the design purpose of wear-resistant bolt is to meet the high wear resistance, high strength and high reliability requirements of fastener under specific working conditions, by optimizing material selection, heat treatment process and structure design, realize the long-term stable operation of connecting components, reduce maintenance cost, improve the safety and economy of overall equipment.

[0003] Patent document CN218542858U discloses a new wear-resistant bolt, which discloses "including cylinder and reset mechanism;Cylinder: its lower surface middle part is equipped with screw rod, the upper surface middle part of cylinder is equipped with hexagon hole, hexagon hole is slidably connected with hexagon plate, the outer side of hexagon plate is equipped with ceramic sealing plate, the outer side of ceramic sealing plate is attached to the inner side of hexagon hole, the outer arc surface of cylinder is equipped with ring;Reset mechanism: set up in the inside of cylinder, the upper end of reset mechanism is fixedly connected with the lower surface of hexagon plate, the reset mechanism includes sliding slot, spring, sliding disc and connecting block, the sliding slot is annularly arranged in the inside of cylinder, and the sliding slot is communicated with hexagon hole, the new wear-resistant bolt is convenient for sealing the upper end of hexagon hole, the sealing effect is more compact, reduces the corrosion caused by external environment to the inner wall of hexagon hole, improves the wear resistance of overall device, increases the service life of overall device".

[0004] However, the above-mentioned patent document mainly considers improving the wear resistance of overall device and increasing the service life of overall device, but it is inconvenient to protect the thread in the nut and avoid damage to the thread caused by long-term use, so that the bolt cannot be removed.

[0005] Therefore, it is necessary to study a protection mechanism to protect the thread in the nut and avoid damage to the thread caused by long-term use, so that the bolt cannot be removed. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a wear-resistant bolt to solve the technical problem of improving the protection performance of wear-resistant bolt in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a wear-resistant bolt, comprising: a screw rod, a nut is installed on the outer wall of the screw rod, a protection mechanism is arranged on the inner wall of the nut, the protection mechanism is used for protecting the thread in the nut, avoiding damage to the thread caused by long-term use, so that the bolt cannot be removed.

[0008] The protection mechanism comprises a protection sleeve, the protection sleeve is arranged on the inner wall of the nut, the inner wall of the nut is provided with a fitting groove, the bottom of the protection sleeve is provided with a fitting column, the bottom of the protection sleeve is provided with an adsorption magnet, the outer wall of the nut is provided with a positioning groove, the inner wall of the positioning groove is provided with a positioning column, and the outer wall of the positioning column is provided with a positioning block.

[0009] Preferably, the outer wall of the screw rod is provided with a thread.

[0010] Preferably, the outer wall of the screw rod is provided with a reinforcing mechanism, and the reinforcing mechanism is used for reinforcing the fixing stability of the screw rod.

[0011] Preferably, the reinforcing mechanism comprises a sealing iron block, and the sealing iron block is arranged on the outer wall of the reinforcing screw rod.

[0012] Preferably, the outer wall of the sealing iron block is provided with a disassembly groove, and the inner wall of the disassembly groove is provided with a disassembly column.

[0013] Preferably, the outer wall of the disassembly column is provided with a first magnet.

[0014] Preferably, the bottom of the nut is provided with a mounting groove, and the inner wall of the mounting groove is provided with a second magnet.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The utility model discloses a protection mechanism is installed to the thread in the nut is protected, avoids the thread in the nut and is damaged for long -time use, makes the bolt cannot remove the condition, and the thread in the nut can be damaged when the existing long -time twist nut, and the later bolt dismounting is affected, so this needs to be improved, first, the protection sleeve is removed to the nut, and the fitting column is located in the fitting groove, at this time, the adsorption magnet is adsorbed with the inside of the nut, then the protection sleeve is in the horizontal state, and the shape of the protection sleeve is consistent with the shape of the nut, then the positioning column is fixed to the positioning groove, and the position of the protection sleeve is fixed by using the positioning block, thereby avoiding the inside thread of the nut and being damaged for long -time use, and the bolt dismounting is affected.

[0017] 2. The utility model discloses a reinforcing mechanism is installed, and the fixing stability of reinforcing screw rod is surrounded in the outside of the screw rod, then the first magnet and the second magnet are adsorbed, and the position of the sealing iron block is fixed, and then the screw rod is fixed to the screw hole in the outside, avoids the gap between the nut and the screw hole, and causes the screw rod to be fixed unstable, and the first magnet can be removed and replaced by rotating and twisting out from the disassembly groove by the disassembly column, thereby improving the fixing stability of the screw rod. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic view of the utility model;

[0019] Figure 2 It is the front structure schematic view of the utility model;

[0020] Figure 3 It is the nut internal partial structure schematic view of the utility model;

[0021] Figure 4 It is the sealing iron block partial structure schematic view of the utility model.

[0022] In the drawing: 1, screw rod;2, nut;3, thread;4, protective sleeve;5, fitting groove;6, fitting column;7, adsorption magnet;8, positioning groove;9, positioning column;10, positioning block;11, sealing iron block;12, more disassembly groove;13, more disassembly column;14, first magnet;15, installation groove;16, second magnet. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be apparently and completely described below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the scope of protection of the utility model.

[0024] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like is the orientation or position relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model to having a particular orientation, being constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, 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 inside two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] Please refer to Figure 1And Figure 2 A wear-resistant bolt, comprising a screw rod 1, a nut 2 is mounted on the outer wall of the screw rod 1, a thread 3 is arranged around the outer wall of the screw rod 1, the nut 2 is twisted by an external tool to make the screw rod 1 fixed in an external screw hole through the thread 3, and then the article can be installed and fixed.

[0027] Please refer to Figure 2 And Figure 3 The inner wall of the nut 2 is provided with a protection mechanism for protecting the thread in the nut 2, so that the thread is not damaged after long-term use, and the bolt cannot be removed. The protection mechanism comprises a protective sleeve 4 arranged on the inner wall of the nut 2, the inner wall of the nut 2 is provided with a fitting groove 5, the bottom of the protective sleeve 4 is provided with a fitting column 6, the bottom of the protective sleeve 4 is provided with an adsorbing magnet 7, the outer wall of the nut 2 is provided with a positioning groove 8, the inner wall of the positioning groove 8 is provided with a positioning column 9, and the outer wall of the positioning column 9 is provided with a positioning block 10. The existing long-term twisting of the nut 2 will cause damage to the thread in the nut 2, which will affect the disassembly of the bolt in the later period, so improvement is needed. First, move the protective sleeve 4 into the nut 2, and make the fitting column 6 located in the fitting groove 5. At this time, the adsorbing magnet 7 is adsorbed with the inside of the nut 2. At this time, the protective sleeve 4 is in a horizontal state, and the shape of the protective sleeve 4 is consistent with the shape of the nut 2. Then fix the positioning column 9 in the positioning groove 8, and fix the position of the positioning block 10 and the protective sleeve 4, so as to avoid the damage of the internal thread of the nut 2 caused by long-term use, and affect the disassembly of the bolt.

[0028] Please refer to Figure 1 And Figure 4 The outer wall of the screw rod 1 is provided with a reinforcing mechanism for reinforcing the fixing stability of the screw rod 1. The reinforcing mechanism comprises a sealing iron block 11 arranged on the outer wall of the reinforcing screw rod 1, a more disassembly groove 12 is arranged on the outer wall of the sealing iron block 11, a more disassembly column 13 is arranged on the inner wall of the more disassembly groove 12, a first magnet 14 is arranged on the outer wall of the more disassembly column 13, an installation groove 15 is arranged on the bottom of the nut 2, a second magnet 16 is arranged on the inner wall of the installation groove 15, the sealing iron block 11 is arranged around the outside of the screw rod 1, and then the first magnet 14 and the second magnet 16 are adsorbed. Then the position of the sealing iron block 11 is fixed, and then the screw rod 1 is fixed in the external screw hole, so as to avoid the gap between the nut 2 and the screw hole, and to avoid the unstable fixation of the screw rod 1. At the same time, the first magnet 14 can be disassembled and replaced by rotating and twisting out of the more disassembly groove 12 through the more disassembly column 13, so as to improve the fixing stability of the screw rod 1.

[0029] The working principle is that the nut 2 is twisted by external tools to fix the screw rod 1 in the external screw hole through the thread 3, so that the article is installed and fixed. The existing long-time twisting of the nut 2 can cause damage to the thread in the nut 2, thereby affecting the disassembly of the bolt in the later period. Therefore, the improvement is needed. First, the protective sleeve 4 is moved into the nut 2, and the embedded column 6 is located in the embedded groove 5. At this time, the adsorption magnet 7 is adsorbed with the inside of the nut 2. At this time, the protective sleeve 4 is in a horizontal state, and the shape of the protective sleeve 4 is consistent with the shape of the nut 2. Then, the positioning column 9 is fixed into the positioning groove 8, and the position of the positioning block 10 and the protective sleeve 4 is fixed, thereby avoiding the damage of the internal thread of the nut 2 caused by long-time use, and affecting the disassembly of the bolt. The sealing iron block 11 is wrapped around the outside of the screw rod 1, and then the first magnet 14 and the second magnet 16 are adsorbed, so that the position of the sealing iron block 11 is fixed, thereby fixing the screw rod 1 into the external screw hole, avoiding the gap between the nut 2 and the screw hole, and causing the unstable condition of the screw rod 1. At the same time, the first magnet 14 can be disassembled and replaced by rotating and twisting out of the disassembly column 13 from the disassembly groove 12, thereby improving the fixing stability of the screw rod 1.

[0030] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments but can be implemented in other embodiments without departing from the spirit or essential characteristics of the application. Consequently, the embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims.

Claims

1. A wear resistant bolt characterized by, The utility model relates to a screw rod (1), the outer wall of screw rod (1) is equipped with nut (2), the inner wall of nut (2) is equipped with protection mechanism, protection mechanism is used for protecting the thread in nut (2), avoids the thread damage due to long -time use, makes the situation that bolt cannot be removed; The protection mechanism includes a protective sleeve (4) disposed on the inner wall of the nut (2), the inner wall of the nut (2) is provided with a fitting groove (5), the bottom of the protective sleeve (4) is provided with a fitting column (6), the bottom of the protective sleeve (4) is provided with an adsorbing magnet (7), the outer wall of the nut (2) is provided with a positioning groove (8), the inner wall of the positioning groove (8) is provided with a positioning column (9), and the outer wall of the positioning column (9) is provided with a positioning block (10).

2. A wear resistant bolt according to claim 1, wherein: The outer wall of the screw rod (1) is provided with a thread (3).

3. A wear resistant bolt according to claim 1, wherein: The outer wall of the screw rod (1) is provided with a reinforcing mechanism for reinforcing the fixing stability of the screw rod (1).

4. A wear resistant bolt according to claim 3, wherein: The reinforcing mechanism includes a sealing iron block (11) disposed on the outer wall of the reinforcing screw rod (1).

5. A wear resistant bolt according to claim 4, wherein: The outer wall of the sealing iron block (11) is provided with a disassembly groove (12), and the inner wall of the disassembly groove (12) is provided with a disassembly column (13).

6. A wear resistant bolt according to claim 5, wherein: The outer wall of the disassembly column (13) is provided with a first magnet (14).

7. A wear resistant bolt according to claim 1, wherein: The bottom of the nut (2) is provided with a mounting groove (15), and the inner wall of the mounting groove (15) is provided with a second magnet (16).

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