Torsion wire pen type copper wire brush for angle grinder

Abstract

The utility model belongs to the field of copper wire brushes, and particularly relates to a wire twisting pen type copper wire brush for an angle grinder, which comprises a copper wire brush body, the top of the copper wire brush body is in contact with a connecting seat, a round rod is slidably sleeved in the connecting seat, and a plurality of uniformly distributed fixing rods are fixedly connected in the round rod. A spring is arranged on the outer side of the fixing rod, the outer side of the fixing rod is slidably connected with an arc-shaped block in a sleeving mode, the arc-shaped block is slidably connected with the round rod, and the arc-shaped block is slidably connected with the connecting base. The arc-shaped block is inserted into the arc-shaped groove in the connecting seat, so that the round rod can be fixedly connected with the connecting seat, the round rod can be connected with the angle grinder for use, the ejector block can extrude the arc-shaped block when the push ring is pushed to move upwards, the arc-shaped block can be separated from the arc-shaped groove, and the round rod can be pulled out from the interior of the connecting seat immediately. And the round rod is convenient to overhaul and maintain, and is prevented from being damaged to influence connection and use with the angle grinder.

Description

Technical Field

[0001] This utility model relates to the field of copper wire brush technology, specifically a twisted wire pen-type copper wire brush for an angle grinder. Background Technology

[0002] A twisted wire pen-type copper wire brush for angle grinders is a cleaning and polishing tool used on angle grinders. It typically features a pen-shaped design with a copper wire brush head for removing surface dirt, rust, oxide layers, etc., as well as polishing or smoothing metal surfaces.

[0003] Utility model patent CN220428040U discloses a twisted wire pen-type copper wire brush for an angle grinder, comprising a rivet-shaped round rod. The rivet-shaped round rod has a length of 43mm and a diameter of 6mm. A round rod outer cup is connected to the center end face of the bottom of the rivet-shaped round rod, and a twisted flange shell is connected to the bottom end face of the round rod outer cup. The twisted flange shell is a hollow cylinder with a mounting groove at its center. A winding fixing component is provided in the mounting groove. A mechanical pressing mark is provided on the outer ring of the bottom of the twisted flange shell. This utility model has a simple structure and is easy to operate. By setting a first fixing frame and a second fixing frame, their end faces magnetically contact and fit together, effectively covering the winding steel wire and providing protection. The winding steel wire can be removed to tighten the sheared steel wire layer for easy storage. A pull ring can be provided to effectively and conveniently pull open the second fixing frame, and then remove the first fixing frame to use the winding steel wire inside.

[0004] In the aforementioned existing technology, the copper wire brush needs to be connected to the angle grinder via a round rod during use. However, the round rod is inconvenient to disassemble and maintain. If the round rod is damaged, it will affect the connection and even the safety of use. Furthermore, the round rod is not easy to replace and is not convenient to connect to different models of angle grinders. Therefore, an improvement is needed. Utility Model Content

[0005] The purpose of this utility model is to provide a twisted wire pen-type copper wire brush for an angle grinder, which solves the problem that the round rod is inconvenient to disassemble, inspect and maintain, and also solves the problem that the round rod is not easy to replace.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a twisted wire brush for an angle grinder, comprising a copper wire brush body, a connecting seat contacting the top of the copper wire brush body, a round rod slidably sleeved inside the connecting seat, a plurality of evenly distributed fixing rods fixedly connected inside the round rod, a spring provided on the outer side of the fixing rod, an arc-shaped block slidably sleeved on the outer side of the fixing rod, the arc-shaped block slidably connected to the round rod, the arc-shaped block slidably connected to the connecting seat, a guide block fixedly connected to the top of the arc-shaped block, the guide block slidably connected to the round rod, a push ring slidably sleeved on the outer side of the connecting seat, a top block fixedly connected to the inner side of the push ring, the top block slidably connected to the connecting seat, and a connecting mechanism provided on the connecting seat.

[0007] Preferably, one end of the spring is fixedly connected to the arc-shaped block, and the other end of the spring is fixedly connected to the round rod. The spring is designed so that its force can be applied to the arc-shaped block.

[0008] Preferably, the connecting seat has an arc-shaped groove inside, and an arc-shaped block is slidably connected inside the arc-shaped groove. By designing the arc-shaped groove, the arc-shaped block can slide inside the arc-shaped groove.

[0009] Preferably, the connecting mechanism includes a fixed base, a fixed base is fixedly connected to the top of the copper wire brush body, a rotating base is fixedly connected to the top of the fixed base, the rotating base contacts the connecting base, a positive and negative screw is rotatably sleeved inside the rotating base via bearings, knobs are fixedly connected to both ends of the positive and negative screws, and two symmetrically distributed connecting blocks are threaded to the outer sides of the positive and negative screws, with insert blocks fixedly connected to the outer sides of the connecting blocks, and the insert blocks are slidably connected to the connecting base. This connecting mechanism facilitates the disassembly of the connecting base and the round rod as a whole.

[0010] Preferably, the connector has a slot inside, and a plug is slidably connected inside the slot. The slot design allows the plug to slide inside the connector.

[0011] Preferably, a guide rod is slidably fitted inside the connecting block, and the guide rod is fixedly connected to the fixed base. By designing the guide rod, the movement of the connecting block can be guided.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model, through the design of the arc-shaped block and the arc-shaped groove inside the connecting seat, can connect and fix the round rod to the connecting seat. The round rod can be connected to the angle grinder. When the push ring is pushed upward, the top block can squeeze the arc-shaped block, which can separate the arc-shaped block from the arc-shaped groove. Then the round rod can be pulled out from the inside of the connecting seat, which is convenient for the round rod to be inspected and maintained, and avoids damage to it affecting its connection and use with the angle grinder.

[0014] 2. This utility model, through the design of the insertion block and slot, can limit the connection seat, thereby realizing the connection and fixation between the connection seat and the copper wire brush body. When the knob is turned to drive the forward and reverse screws to rotate, the threaded movement of the connection block can be realized, and then the insertion block and the connection seat can be separated. Then the connection seat can be removed from the copper wire brush body, which facilitates the disassembly of the overall structure of the connection seat and the round rod. Different sizes of round rods can be replaced for use, which is convenient to connect to different angle grinders according to the usage requirements, thus improving its adaptability. Attached Figure Description

[0015] Figure 1 This is a three-dimensional view of the overall structure of this utility model;

[0016] Figure 2 This utility model Figure 1 A partial three-dimensional sectional view of the structure;

[0017] Figure 3 This utility model Figure 2 Enlarged view of point A;

[0018] Figure 4 This utility model Figure 2 Enlarged view of point B.

[0019] In the diagram: 1. Copper wire brush body; 2. Connecting seat; 3. Round rod; 4. Fixing rod; 5. Spring; 6. Arc-shaped block; 7. Arc-shaped groove; 8. Guide block; 9. Connecting mechanism; 10. Push ring; 11. Top block; 91. Fixing seat; 92. Rotating seat; 93. Positive and negative screws; 94. Knob; 95. Connecting block; 96. Insertion block; 97. Slot; 98. Guide rod. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1 , Figure 2 , Figure 3A twisted wire brush for an angle grinder includes a copper wire brush body 1. A connecting seat 2 is in contact with the top of the copper wire brush body 1. A round rod 3 is slidably sleeved inside the connecting seat 2. Multiple evenly distributed fixing rods 4 are fixedly connected inside the round rod 3. A spring 5 is provided on the outside of the fixing rod 4. One end of the spring 5 is fixedly connected to an arc-shaped block 6, and the other end of the spring 5 is fixedly connected to the round rod 3. By designing the spring 5, the force of the spring 5 can be applied to the arc-shaped block 6.

[0022] Please see Figure 1 , Figure 2 , Figure 3 An arc-shaped block 6 is slidably sleeved on the outer side of the fixed rod 4. The arc-shaped block 6 is slidably connected to the round rod 3 and to the connecting seat 2. An arc-shaped groove 7 is provided inside the connecting seat 2. The arc-shaped block 6 is slidably connected inside the arc-shaped groove 7. By designing the arc-shaped groove 7, the arc-shaped block 6 can slide inside the arc-shaped groove 7. A guide block 8 is fixedly connected to the top of the arc-shaped block 6. The guide block 8 is slidably connected to the round rod 3. A push ring 10 is slidably sleeved on the outer side of the connecting seat 2. A top block 11 is fixedly connected to the inner side of the push ring 10. The top block 11 is slidably connected to the connecting seat 2. A connecting mechanism 9 is provided on the connecting seat 2.

[0023] Please see Figure 1 , Figure 2 , Figure 4 The connecting mechanism 9 includes a fixed seat 91. The top of the copper wire brush body 1 is fixedly connected to the fixed seat 91, and the top of the fixed seat 91 is fixedly connected to the rotating seat 92. The rotating seat 92 contacts the connecting seat 2. Inside the rotating seat 92, a positive and negative screw 93 is rotatably sleeved through a bearing. Both ends of the positive and negative screw 93 are fixedly connected to knobs 94. The outer sides of the positive and negative screw 93 are connected by threads to two symmetrically distributed connecting blocks 95. The outer sides of the connecting blocks 95 are fixedly connected to insert blocks 96. The insert blocks 96 are slidably connected to the connecting seat 2. The connecting seat 2 has a slot 97 inside. The insert blocks 96 are slidably connected inside the slot 97. By designing the slot 97, the insert blocks 96 can slide inside the connecting seat 2. Inside the connecting blocks 95, a guide rod 98 is slidably sleeved. The guide rod 98 is fixedly connected to the fixed seat 91. By designing the guide rod 98, the movement of the connecting blocks 95 can be guided. By designing the connecting mechanism 9, the overall structure of the connecting seat 2 and the round rod 3 can be easily disassembled.

[0024] The specific implementation process of this utility model is as follows: In use, the round rod 3 can be connected to the angle grinder. The specific connection method has been disclosed in the utility model patent with patent authorization announcement number CN220428040U, and will not be repeated here. When it is necessary to disassemble the round rod 3, push the push ring 10 upwards. The push ring 10 will drive the top block 11 to move upwards. The top block 11 will contact the arc-shaped block 6 and squeeze the arc-shaped block 6. The arc-shaped block 6 will slide along the fixed rod 4 and squeeze the spring 5. At the same time, the arc-shaped block 6 will drive the guide block 8 to move horizontally, so that the arc-shaped block 6 separates from the arc-shaped groove 7 inside the connecting seat 2. Then the round rod 3 can be moved upwards and removed from the inside of the connecting seat 2, which is convenient for the round rod 3 to be inspected and maintained, and avoids damage to it affecting its connection and use with the angle grinder.

[0025] When it is necessary to disassemble the connecting seat 2, simply turn the knob 94. The knob 94 drives the positive and negative screws 93 to rotate. The positive and negative screws 93 will rotate inside the rotating seat 92, causing the connecting block 95 to make threaded movement. The two connecting blocks 95 will move in opposite directions and slide along the guide rod 98. At the same time, the connecting block 95 will drive the insertion block 96 to move horizontally, so that the insertion block 96 is separated from the connecting seat 2. Then, move the connecting seat 2 upward to separate it from the copper wire brush body 1. This makes it easy to disassemble the overall structure of the connecting seat 2 and the round rod 3. Different sizes of round rod 3 can be replaced for use, which is convenient to connect to different angle grinders according to the usage requirements, thus improving its adaptability.

[0026] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A twisted wire brush type copper wire brush for an angle grinder, comprising a copper wire brush body (1), characterized in that: The top of the copper wire brush body (1) is in contact with a connecting seat (2). A round rod (3) is slidably sleeved inside the connecting seat (2). A plurality of evenly distributed fixing rods (4) are fixedly connected inside the round rod (3). A spring (5) is provided on the outside of the fixing rod (4). An arc-shaped block (6) is slidably sleeved on the outside of the fixing rod (4). The arc-shaped block (6) is slidably connected to the round rod (3) and to the connecting seat (2). A guide block (8) is fixedly connected to the top of the arc-shaped block (6). The guide block (8) is slidably connected to the round rod (3). A push ring (10) is slidably sleeved on the outside of the connecting seat (2). A top block (11) is fixedly connected to the inside of the push ring (10). The top block (11) is slidably connected to the connecting seat (2). A connecting mechanism (9) is provided on the connecting seat (2).

2. The twisted wire brush for an angle grinder according to claim 1, characterized in that: One end of the spring (5) is fixedly connected to the arc block (6), and the other end of the spring (5) is fixedly connected to the round rod (3).

3. The twisted wire brush for an angle grinder according to claim 1, characterized in that: The connecting seat (2) has an arc-shaped groove (7) inside, and an arc-shaped block (6) is slidably connected inside the arc-shaped groove (7).

4. A twisted wire brush for an angle grinder according to claim 1, characterized in that: The connecting mechanism (9) includes a fixed seat (91). The top of the copper wire brush body (1) is fixedly connected to the fixed seat (91). The top of the fixed seat (91) is fixedly connected to a rotating seat (92). The rotating seat (92) contacts the connecting seat (2). The rotating seat (92) is rotatably sleeved with a positive and negative screw (93) through a bearing. Both ends of the positive and negative screw (93) are fixedly connected to knobs (94). The outer side of the positive and negative screw (93) is connected to two symmetrically distributed connecting blocks (95) through a thread. The outer side of the connecting blocks (95) is fixedly connected to a plug (96). The plug (96) is slidably connected to the connecting seat (2).

5. A twisted wire brush for an angle grinder according to claim 1, characterized in that: The connector (2) has a slot (97) inside, and a plug (96) is slidably connected inside the slot (97).

6. A twisted wire brush for an angle grinder according to claim 4, characterized in that: The connecting block (95) has a guide rod (98) slidably sleeved inside, and the guide rod (98) is fixedly connected to the fixed seat (91).

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