Rust removal steel wire brush with brush head capable of being replaced quickly

Abstract

The derusting steel wire brush comprises a grip and a brush plate, a fixing plate is connected to one side of the brush plate, a telescopic mechanism is arranged on the other side of the fixing plate, the telescopic mechanism is used for moving the fixing plate into the brush plate, a fixing mechanism is arranged in the brush plate, and the brush head of the brush plate can be quickly replaced. The fixing mechanism is used for fixing the telescopic mechanism and can fix a fixing plate to the surface of a brush plate, one end of an inserting rod is driven to be inserted into a fixing hole through the elasticity of a third spring, then the inserting rod fixes a grip and a lifting plate, and the height of the lifting plate and the height of the fixing plate can be adjusted; when the fixing plate with the brush head is detached, the fixing block is pushed to the initial position by the elastic force of the first spring, so that the fixing block is clamped between the moving block and the fixing clamping block, the fixing plate with the brush head is conveniently fixed, the fixing plate with the brush head can be rapidly detached, and the use is more convenient.

Description

Technical Field

[0001] The invention relates to the technical field of wire brushes, in particular to a rust-removing wire brush with a quickly replaceable brush head. Background Art

[0002] Wire brush is a brush with different wire diameters and corresponding models for different uses. There are two types of wires: straight wire and corrugated wire. The thickness of the wire can be determined according to different needs.

[0003] For example, the Chinese patent with application number CN201821506648.6 discloses a brush, including a brush handle and a brush head connected to the end of the brush handle, the top of the brush head is provided with a boss, the end of the brush handle is provided with a connecting groove matching with the boss, the boss on the top of the brush head can be detachably inserted into the connecting groove at the end of the brush handle, and the angle between the brush head and the brush handle is adjustable.

[0004] However, the above scheme has the following disadvantages: when it is used, all parts can be connected by screws, which is convenient for disassembly and assembly. However, the screws and the connecting grooves may be stripped, and then when disassembling and replacing the brush head and the brush head seat, the operation is more time-consuming and laborious, and the brush head and the brush head seat cannot be quickly disassembled;

[0005] For this reason, we offer a rust-removing wire brush with a quickly replaceable brush head. Summary of the invention

[0006] The object of the present invention is to provide a rust-removing wire brush with a quickly replaceable brush head, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the present invention provides the following technical solution: a rust-removing wire brush with a quickly replaceable brush head, comprising a handle and a brush plate, one side of the brush plate is connected to a fixed plate, and the other side of the fixed plate is provided with a telescopic mechanism, and the telescopic mechanism is used to realize the movement of the fixed plate to the inside of the brush plate;

[0008] The telescopic mechanism includes a placement block connected to the other side of the fixed plate, and movable cavities are respectively provided on both sides of the placement block, and the movable cavity and the placement block are integrally formed. A fixing rod is horizontally arranged inside the placement block, and the surface of the fixing rod is connected to the limiting plate at a center position, and a moving block is slidably connected to the surface of the fixing rod, and a through groove is provided on the surface of the moving block, and the fixing rod is connected to the inside of the through groove, and a first spring located between the moving block and the limiting plate is sleeved on the surface of the fixing rod. When the moving block moves, the moving block will move toward the inside of the movable cavity, and then the moving block will squeeze the first spring, so that one end of the first spring is squeezed against the surface of the limiting plate, and then the fixing rod will move inside the through groove, and then when the fixing rod moves, the fixing rod will not separate from the inside of the through groove.

[0009] A fixing mechanism is provided inside the brush plate, and the fixing mechanism is used to fix the telescopic mechanism, and the fixing plate can be fixed on the surface of the brush plate;

[0010] The fixing mechanism includes a connecting groove opened inside the brush plate, a fixing block is slidably connected inside the connecting groove, a moving rod is respectively connected to the upper and lower ends of one side of the fixing block, and the moving rod is connected to a pulling block after passing through the brush plate, and a second spring located between one side of the fixing block and the inner side wall of the connecting groove is sleeved on the surface of the moving rod. When the pulling block is pulled, the pulling block drives the moving rod to move, and the moving rod drives the fixed block to move, thereby causing the fixed block to squeeze the second spring.

[0011] The bottom of the brush plate is connected with a lifting plate, and the brush plate and the lifting plate are fixedly connected. A plug-in mechanism is arranged inside the handle, and the plug-in mechanism is used to fix the lifting plate.

[0012] The plug-in mechanism includes a pull plate connected to the outside of the handle, a fixing hole is opened on the surface of the lifting plate, one end of the pull plate is connected to a plug-in rod, the plug-in rod is connected to the inside of the fixing hole, after the plug-in rod is inserted into the inside of the fixing hole, it is convenient for the plug-in rod to fix the lifting plate, the surface of the plug-in rod is fixedly connected to a fixing ring, the surface of the plug-in rod is sleeved with a third spring located between one side of the fixing ring and the inner side of the handle, when the fixing ring is driven by the plug-in rod, the fixing ring will squeeze the third spring, so that the third spring is in a compressed state.

[0013] Compared with the prior art, the present invention has the following beneficial effects: the present invention makes the connection hole and the fixing hole in the same horizontal plane, utilizes the elastic force of the third spring to drive one end of the plug-in rod to be inserted into the fixing hole, and then allows the plug-in rod to fix the handle and the lifting plate, so that the lifting plate and the fixing plate can be adjusted in height;

[0014] After the placing block enters the connecting groove, the moving block will contact the fixed block, and the moving block will move toward the inside of the movable cavity, and then the moving block will squeeze the first spring. After the moving block is no longer squeezed by the fixed block, the fixed block will be pushed to the initial position by the elastic force of the first spring itself, and then the fixed block will be stuck between the moving block and the fixed clamping block, which is convenient for fixing the fixed plate with the brush head, and then the fixed plate with the brush head can be quickly disassembled, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0016] Figure 2 It is a schematic diagram of the structure of the handle, the lifting plate and the pulling plate of the present invention when they are three-dimensionally decomposed;

[0017] Figure 3 It is a schematic diagram of the structure of the handle, the lifting plate and the pulling plate when they are three-dimensionally connected;

[0018] Figure 4 This is a schematic diagram of the structure of the brush plates of the present invention when they are three-dimensionally connected;

[0019] Figure 5 It is a structural schematic diagram of a three-dimensional cross-section of a brush plate of the present invention;

[0020] Figure 6 It is a schematic diagram of the structure when the fixing plate and the placement block are three-dimensionally connected;

[0021] Figure 7 It is a schematic structural diagram of a three-dimensional cross-section of a placement block of the present invention.

[0022] In the figure: 1. handle; 2. pull plate; 3. lifting plate; 4. brush plate; 5. pull block; 7. fixed plate; 8. brush head; 9. third spring; 10. fixed collar; 11. plug-in rod; 12. fixed hole; 13. fixed block; 14. moving rod; 15. second spring; 16. connecting groove; 17. placement block; 18. fixed clamping block; 19. moving block; 20. limit plate; 21. first spring; 22. fixed rod; 23. through groove; 24. movable cavity; 25. connecting hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. 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.

[0024] See also Figure 1-7 The present invention provides a technical solution: a rust-removing wire brush with a quickly replaceable brush head, comprising a handle 1 and a brush plate 4, one side of the brush plate 4 is connected to a fixing plate 7, the other side of the fixing plate 7 is provided with a telescopic mechanism, the telescopic mechanism is used to realize the movement of the fixing plate 7 to the inside of the brush plate 4, the inside of the brush plate 4 is provided with a fixing mechanism, the fixing mechanism is used to fix the telescopic mechanism, and the fixing plate 7 can be fixed on the surface of the brush plate 4, the bottom of the brush plate 4 is connected to a lifting plate 3, the brush plate 4 and the lifting plate 3 are fixedly connected, the inside of the handle 1 is provided with a plug-in mechanism, the plug-in mechanism is used to fix the lifting plate 3.

[0025] The telescopic mechanism includes a placement block 17 connected to the other side of the fixed plate 7, and active cavities 24 are respectively provided on both sides of the placement block 17. The active cavity 24 and the placement block 17 are integrally formed. A fixing rod 22 is horizontally arranged inside the placement block 17, and the surface of the fixing rod 22 is connected to the limiting plate 20 at a center position. A moving block 19 is slidably connected to the surface of the fixing rod 22, and a through groove 23 is provided on the surface of the fixing rod 22, and the fixing rod 22 is connected to the inside of the through groove 23. The surface of the fixing rod 22 is sleeved with a first spring 21 located between the moving block 19 and the limiting plate 20. When the moving block 19 moves, the moving block 19 will move toward the inside of the active cavity 24, and then the moving block 19 will squeeze the first spring 21, so that one end of the first spring 21 is squeezed against the surface of the limiting plate 20, and then the fixing rod 22 will move inside the through groove 23, and then when the fixing rod 22 moves, the fixing rod 22 will not disengage from the inside of the through groove 23.

[0026] A fixing clamping block 18 is fixedly connected to one side of the placement block 17 close to the fixing plate 7 .

[0027] The fixing mechanism includes a connecting groove 16 opened inside the brush plate 4, and a fixing block 13 is slidably connected inside the connecting groove 16. The upper and lower ends of one side of the fixing block 13 are respectively connected to a moving rod 14, and the moving rod 14 is connected to a pulling block 5 after passing through the brush plate 4. The surface of the moving rod 14 is sleeved with a second spring 15 located between one side of the fixing block 13 and the inner side wall of the connecting groove 16. Pulling the pulling block 5 causes the pulling block 5 to drive the moving rod 14 to move, and the moving rod 14 drives the fixing block 13 to move, thereby causing the fixing block 13 to squeeze the second spring 15.

[0028] The plug-in mechanism includes a pull plate 2 connected to the outside of the handle 1, a fixing hole 12 is opened on the surface of the lifting plate 3, one end of the pull plate 2 is connected to a plug-in rod 11, and the plug-in rod 11 is connected to the inside of the fixing hole 12. After the plug-in rod 11 is inserted into the inside of the fixing hole 12, it is convenient for the plug-in rod 11 to fix the lifting plate 3. A fixing ring 10 is fixedly connected to the surface of the plug-in rod 11, and a third spring 9 is sleeved on the surface of the plug-in rod 11 and is located between one side of the fixing ring 10 and the inner side of the handle 1. When the fixing ring 10 is driven by the plug-in rod 11, the fixing ring 10 will squeeze the third spring 9, so that the third spring 9 is in a compressed state.

[0029] The lifting plate 3 is slidably connected to the inside of the handle 1. A connecting hole 25 is opened on the surface of the handle 1. The connecting hole 25 and the handle 1 are integrally formed, and one end of the plug-in rod 11 passes through the connecting hole 25. The fixing ring 10 is connected to the inner side of the handle 1.

[0030] A brush head 8 is connected to one side of the surface of the fixing plate 7 , and the brush head 8 is convenient for working on objects. The brush head 8 and the fixing plate 7 are integrally formed.

[0031] The surface of the handle 1 is connected with a rubber pad, which is convenient for protecting the user's hands and making it easier to hold the handle 1. The rubber pad is fixedly connected to the handle 1.

[0032] When in use, the pull plate 2 is pulled, so that the pull plate 2 drives the plug rod 11 to move, so that the surface of the plug rod 11 drives the fixing ring 10 to move toward the inner side of the handle 1, and then the fixing ring 10 squeezes the third spring 9, so that the third spring 9 is in a compressed state, and then one end of the plug rod 11 is separated from the inside of the fixing hole 12, so that the plug rod 11 releases the fixation of the lifting plate 3;

[0033] Pull the brush plate 4 upward, so that the brush plate 4 drives the lifting plate 3 to move upward inside the handle 1, and then after moving to a certain position, the connection hole 25 and the fixing hole 12 are in the same horizontal plane, and then release the pulling of the pull plate 2, and use the elastic force of the third spring 9 to drive one end of the plug-in rod 11 to be inserted into the fixing hole 12, so that the plug-in rod 11 fixes the handle 1 and the lifting plate 3, so that the lifting plate 3 and the fixing plate 7 can be adjusted in height;

[0034] When the wire brush is used for a long time, the brush head 8 on the surface of the fixed plate 7 will fall off, pulling the pull block 5, so that the pull block 5 drives the two sets of moving rods 14 to move inside the connecting groove 16, and then the moving rods 14 move to the outside of the brush plate 4, and the moving rods 14 will drive the fixed block 13 to move on both sides of the connecting groove 16, and then the fixed block 13 will squeeze the second spring 15, so that the fixed block 13 is separated from between the moving block 19 and the fixed clamping block 18, and then the fixed plate 7 with the brush head 8 is taken out;

[0035] Release the pulling of the pulling block 5, and let the second spring 15 use its own elastic force to move the fixed block 13 and the pulling block 5 to the initial position;

[0036] Then take out the new fixing plate 7 with the brush head 8, hold the fixing plate 7 and move it toward the inside of the connecting groove 16, and the placement block 17 on one side of the fixing plate 7 matches the connecting groove 16, so that the placement block 17 can enter the inside of the connecting groove 16. After the placement block 17 enters the inside of the connecting groove 16, the moving block 19 will contact the fixing block 13, and the moving block 19 will move toward the inside of the active cavity 24, and then the moving block 19 will squeeze the first spring 21, and then the first spring 21 will be in a compressed state, and the elastic force of the first spring 21 is less than the elastic force of the moving rod 14, and the moving block 19 will squeeze the first spring 21;

[0037] After the moving block 19 moves to the inside of the active cavity 24, the fixed rod 22 will not extend out of the through slot 23, and the fixed rod 22 always moves inside the through slot 23. After the moving block 19 is no longer squeezed with the fixed block 13, the fixed block 13 will be pushed to the initial position by the elastic force of the first spring 21 itself, and the fixed block 13 will be stuck between the moving block 19 and the fixed clamping block 18, which is convenient for fixing the fixed plate 7 with the brush head 8, and then the fixed plate 7 with the brush head 8 can be quickly disassembled, which is more convenient to use.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rust-removing wire brush with a quickly replaceable brush head, comprising a handle (1) and a brush plate (4), characterized in that: One side of the brush plate (4) is connected to a fixing plate (7), and the other side of the fixing plate (7) is provided with a telescopic mechanism, and the telescopic mechanism is used to move the fixing plate (7) to the inside of the brush plate (4). The inside of the brush plate (4) is provided with a fixing mechanism, and the fixing mechanism is used to fix the telescopic mechanism and can fix the fixing plate (7) on the surface of the brush plate (4). The bottom of the brush plate (4) is connected to a lifting plate (3), and the inside of the handle (1) is provided with a plug-in mechanism, and the plug-in mechanism is used to fix the lifting plate (3).

2. The rust-removing wire brush with a quickly replaceable brush head according to claim 1, characterized in that: The telescopic mechanism comprises a placement block (17) connected to the other side of the fixed plate (7), movable cavities (24) are respectively provided on both sides of the placement block (17), a fixing rod (22) is horizontally arranged inside the placement block (17), a limiting plate (20) is connected to the center of the surface of the fixing rod (22), a moving block (19) is slidably connected to the surface of the fixing rod (22), a through groove (23) is provided on the surface of the moving block (19), and the fixing rod (22) is connected to the inside of the through groove (23), and a first spring (21) located between the moving block (19) and the limiting plate (20) is sleeved on the surface of the fixing rod (22).

3. The rust-removing wire brush with a quickly replaceable brush head according to claim 2, characterized in that: A fixed clamping block (18) is fixedly connected to one side of the placement block (17) close to the fixed plate (7).

4. The rust-removing wire brush with a quickly replaceable brush head according to claim 1, characterized in that: The fixing mechanism comprises a connecting groove (16) provided inside the brush plate (4), a fixing block (13) being slidably connected inside the connecting groove (16), a moving rod (14) being connected to the upper and lower ends of one side of the fixing block (13) respectively, and the moving rod (14) is connected to the pulling block (5) after passing through the brush plate (4), and a second spring (15) is sleeved on the surface of the moving rod (14) and is located between one side of the fixing block (13) and the inner side wall of the connecting groove (16).

5. The rust-removing wire brush with a quickly replaceable brush head according to claim 1, characterized in that: The plug-in mechanism comprises a pull plate (2) connected to the outside of the handle (1); a fixing hole (12) is provided on the surface of the lifting plate (3); one end of the pull plate (2) is connected to a plug-in rod (11); the plug-in rod (11) is connected to the inside of the fixing hole (12); a fixing ring (10) is fixedly connected to the surface of the plug-in rod (11); and a third spring (9) is sleeved on the surface of the plug-in rod (11) and is located between one side of the fixing ring (10) and the inner side of the handle (1).

6. The rust-removing wire brush with a quickly replaceable brush head according to claim 5, characterized in that: The lifting plate (3) is slidably connected to the inside of the handle (1); a connection hole (25) is provided on the surface of the handle (1); one end of the plug-in rod (11) passes through the connection hole (25); and the fixing ring (10) is connected to the inner side of the handle (1).

7. The rust-removing wire brush with a quickly replaceable brush head according to claim 1, characterized in that: A brush head (8) is connected to one side of the surface of the fixing plate (7), and the brush head (8) and the fixing plate (7) are integrally formed.

8. The rust-removing wire brush with a quickly replaceable brush head according to claim 1, characterized in that: A rubber pad is connected to the surface of the handle (1), and the rubber pad is fixedly connected to the handle (1).

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