Adjustable lithium battery charging type angle grinder

Abstract

The utility model relates to the technical field of adjustable angle grinders, and discloses an adjustable lithium battery charging type angle grinder which comprises a machine shell, an empty groove is formed in the rear side of the interior of the machine shell, a pull rod is slidably connected to the interior of the empty groove, a tension spring is arranged on the periphery of the pull rod in a sleeved mode, and a limiting piece is fixedly connected to the front side of the tension spring. A connecting block is fixedly connected to the left side of the machine shell, a fixing block is fixedly connected to the right side of the connecting block, a fan-shaped sliding plate is fixedly connected to the right side of the fixing block, a rotating rod is fixedly connected to the middle of the fan-shaped sliding plate, and the front end and the rear end of the rotating rod are rotationally connected into the machine shell; the left side of the connecting block is fixedly connected with a first connecting shell. According to the angle grinder, the pull rod is pulled to drive the limiting piece to move, when the pull rod moves to a proper position, the pull rod slides out of the fan-shaped sliding plate, when the pull rod slides out of the fan-shaped sliding plate, the fan-shaped sliding plate can rotate through the rotating rod, and therefore the effect of adjusting the angle of the angle grinder is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of adjustable angle grinders, in particular to an adjustable lithium-electric rechargeable angle grinder. Background Art

[0002] A rechargeable angle grinder is a portable electric tool that uses a rechargeable battery as a power source. It is mainly used for cutting, grinding, polishing and finishing of metal, stone and concrete materials. It is often used in workplaces that require mobility and flexibility, such as on construction sites, workshops or home workshops.

[0003] When using a rechargeable angle grinder, connect the charged battery to the angle grinder to power it on, then press the switch to start the angle grinder, start rotating the grinding tool, gently touch the grinding tool to the surface of the workpiece, gradually apply pressure and control the angle to start cutting and polishing. Finally, after the work is completed, press the switch to stop the rotation of the angle grinder.

[0004] In the prior art, the angle of the rechargeable angle grinder cannot be adjusted at will. In some special working scenarios, the angle grinder needs to be operated in a compact space or at a specific angle. The lack of angle adjustment function cannot ensure the optimal cutting and grinding effects, which will lead to reduced operating efficiency or even inability to complete the work. Therefore, an adjustable lithium-powered rechargeable angle grinder is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides an adjustable lithium battery rechargeable angle grinder, aiming to improve the problem that the rechargeable angle grinder in the prior art cannot adjust the angle at will.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] The adjustable lithium battery rechargeable angle grinder comprises a casing, an empty slot is provided on the rear side of the casing, a pull rod is slidably connected to the empty slot, a tension spring is sleeved on the outer periphery of the pull rod, a front side of the tension spring is fixedly connected to a limiting plate, a middle part of the limiting plate is fixedly connected to the outer periphery of the pull rod, a connecting block is fixedly connected to the left side of the casing, a fixing block is fixedly connected to the right side of the connecting block, a fan-shaped slide plate is fixedly connected to the right side of the fixing block, a rotating rod is fixedly connected to the middle of the fan-shaped slide plate, front and rear ends of the rotating rod are rotatably connected to the casing, a connecting shell 1 is fixedly connected to the left side of the connecting block, a hollow cavity is provided inside the connecting shell 1, a motor is fixedly connected to the hollow cavity, a rotating shaft is fixedly connected to the output end of the motor, a grinding sheet is fixedly connected to the bottom end of the rotating shaft, a connecting plate is rotatably connected to the outer periphery of the rotating shaft, a top side of the connecting plate is fixedly connected to the bottom side of the connecting shell 1, and a disassembly component is provided on the right side of the casing, and the disassembly component is used to disassemble the charging device of the angle grinder;

[0008] As a further description of the above technical solution:

[0009] The disassembly assembly includes a connecting shell 2, the left side of the connecting shell 2 is fixedly connected to the right side of the casing, a sliding groove is provided inside the connecting shell 2, a pull plate is slidably connected inside the sliding groove, the front side of the pull plate is fixedly connected to the sliding shell, the sliding shell is slidably connected to a sliding rod, the front and rear sides of the sliding rod are fixedly connected to the inside of the connecting shell 2, the front side of the sliding rod is fixedly connected to a baffle, the rear side of the baffle is fixedly connected to a compression spring, the compression spring is sleeved on the outer periphery of the sliding rod, the right side of the sliding shell is fixedly connected to two buckles 1, the right sides of the two buckles 1 are slidably connected to buckles 2, the right side of the buckle 2 is fixedly connected to a battery, and the right side of the battery is fixedly connected to a base;

[0010] As a further description of the above technical solution:

[0011] The fan-shaped slide plate is provided with a plurality of evenly distributed fixing grooves;

[0012] As a further description of the above technical solution:

[0013] A pull cap is fixedly connected to the rear side of the pull rod;

[0014] As a further description of the above technical solution:

[0015] A protective cover is fixedly connected to the right side of the connecting plate;

[0016] As a further description of the above technical solution:

[0017] A hollow groove is provided inside the front side of the housing;

[0018] As a further description of the above technical solution:

[0019] A pull block is fixedly connected to the rear side of the pull plate;

[0020] As a further description of the above technical solution:

[0021] A plurality of evenly distributed heat dissipation holes are provided on the left side of the connection shell.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the pull cap is pulled to drive the pull rod to move, and the movement of the pull rod will drive the limit plate to move. When the limit plate moves outward, it will squeeze the tension spring to generate elastic force. When the pull rod moves to the appropriate position, it will slide out the fan-shaped slide plate. When the pull rod slides out of the fan-shaped slide plate, the fan-shaped slide plate can be rotated by the rotating rod. The rotation of the fan-shaped slide plate will drive the fixed block to move. The movement of the fixed block will drive the connecting block and the connecting shell to move. The movement of the connecting shell will drive the motor and the rotating shaft to move together. At the same time, it will also drive the connecting plate to move. The movement of the connecting plate will drive the protective cover to move. The movement of the rotating shaft will drive the grinding sheet to move together. When it moves to the appropriate angle, the pull cap can be loosened. At this time, the pull rod will be re-stuck in the fixing groove of the fan-shaped slide plate to fix the fan-shaped slide plate, thereby achieving the effect of adjusting the angle of the angle grinder.

[0024] 2. In the utility model, with the cooperation of the pulling block, the pulling plate, the sliding shell, the sliding rod, the blocking piece, the compression spring, the buckle 1, the buckle 2, the battery and the base, the pulling block is pulled to drive the pulling plate to move, the movement of the pulling plate will drive the sliding shell to move, the movement of the sliding shell will slide on the sliding rod, the sliding shell will squeeze the compression spring when sliding, the compression spring will squeeze the blocking piece to generate elastic force, and the sliding shell will also drive the two buckles 1 to move when moving. When the two buckles 1 slide out of the two buckles 2, the battery and the base can be separated from the connecting shell 2. At this time, the pulling block is released, and the sliding shell and the pulling plate will rebound to the initial position due to the elastic force generated by the compression spring, so that the disassembly problem can be solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A three-dimensional schematic diagram of the adjustable lithium-electric rechargeable angle grinder proposed by the utility model;

[0026] Figure 2 This is a schematic diagram of the structure of the fan-shaped slide plate of the adjustable lithium-electric rechargeable angle grinder proposed by the utility model;

[0027] Figure 3 This is a schematic diagram of the structure of the pull rod of the adjustable lithium-electric rechargeable angle grinder proposed by the utility model;

[0028] Figure 4 This is a structural schematic diagram of the sliding shell of the adjustable lithium-electric rechargeable angle grinder proposed by the utility model.

[0029] Legend:

[0030] 1. Casing; 2. Empty slot; 3. Pull rod; 4. Tension spring; 5. Limiting piece; 6. Connecting block; 7. Fixed block; 8. Fan-shaped slide plate; 9. Rotating rod; 10. Connecting shell 1; 11. Hollow cavity; 12. Motor; 13. Connecting plate; 14. Rotating shaft; 15. Frosted sheet; 16. Heat dissipation hole; 17. Protective cover; 18. Hollow slot; 19. Connecting shell 2; 20. Slide slot; 21. Pull plate; 22. Sliding shell; 23. Sliding rod; 24. Blocking piece; 25. Compression spring; 26. Buckle 1; 27. Buckle 2; 28. Battery; 29. ​​Base; 30. Pull block; 31. Pull cap; 32. Fixed slot. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 1-Figure 3 The utility model provides an embodiment: an adjustable lithium battery rechargeable angle grinder, including a casing 1, which plays a role of protecting the connection. An empty slot 2 is opened on the rear side of the casing 1, and the empty slot 2 can be used to place other parts. A pull rod 3 is slidably connected inside the empty slot 2, and the pull rod 3 can play a fixing role. A tension spring 4 is sleeved on the periphery of the pull rod 3, and the tension spring 4 can generate elastic force. The front side of the tension spring 4 is fixedly connected to a limiting piece 5, and the middle part of the limiting piece 5 is fixedly connected to the periphery of the pull rod 3. The limiting piece 5 can limit the pull rod 3. A connecting block 6 is fixedly connected to the left side of the casing 1, and the connecting block 6 plays a connecting role. A fixing block 7 is fixedly connected to the right side of the connecting block 6, and a fan-shaped slide plate 8 is fixedly connected to the right side of the fixing block 7. The fixing block 7 is used to fix the fan-shaped slide plate 8. A rotating rod 9 is fixedly connected to the middle of the fan-shaped slide plate 8, and the rotating rod 9 has both front and rear ends. It is rotatably connected in the casing 1, and the rotating rod 9 serves to connect the fan-shaped skateboard 8 and the casing 1. A connecting shell 10 is fixedly connected to the left side of the connecting block 6, and the connecting shell 10 is used to connect other parts. A hollow cavity 11 is opened inside the connecting shell 10, and a motor 12 is fixedly connected inside the hollow cavity 11. The hollow cavity 11 provides space for the motor 12, and a rotating shaft 14 is fixedly connected to the output end of the motor 12. The motor 12 can drive the rotating shaft 14 to rotate, and a grinding sheet 15 is fixedly connected to the bottom end of the rotating shaft 14. The grinding sheet 15 can grind the objects that need to be polished. The outer periphery of the rotating shaft 14 is rotatably connected to a connecting plate 13, and the connecting plate 13 is used to connect other parts. The top side of the connecting plate 13 is fixedly connected to the bottom side of the connecting shell 10. A disassembly component is provided on the right side of the casing 1, and the disassembly component is used to disassemble the charging device of the angle grinder.

[0033] Reference Figure 4 The disassembly assembly includes a connecting shell 2 19, the left side of the connecting shell 2 19 is fixedly connected to the right side of the casing 1, the connecting shell 2 19 is used to connect the casing 1, a slide groove 20 is provided inside the connecting shell 2 19, a pull plate 21 is slidably connected inside the slide groove 20, the slide groove 20 provides a sliding space for the pull plate 21, a sliding shell 22 is fixedly connected to the front side of the pull plate 21, a slide rod 23 is slidably connected inside the sliding shell 22, the pull plate 21 can drive the sliding shell 22 to slide on the slide rod 23, the front and rear sides of the slide rod 23 are fixedly connected to the inside of the connecting shell 2 19, and the front side of the slide rod 23 is fixedly connected to the inside of the connecting shell 2 A baffle 24 is fixedly connected, and a compression spring 25 is fixedly connected to the rear side of the baffle 24. The baffle 24 can limit the pull plate 21. The compression spring 25 is sleeved on the outer periphery of the sliding rod 23, and the compression spring 25 can generate elastic force. Two buckles 26 are fixedly connected to the right side of the sliding shell 22. Buckle 2 27 is slidably connected to the right side of the two buckles 26. Buckle 1 26 can clamp buckle 27. A battery 28 is fixedly connected to the right side of buckle 2 27. The battery 28 can provide power for the angle grinder. A base 29 is fixedly connected to the right side of the battery 28, and the base 29 plays a fixing role.

[0034] Reference Figure 2-Figure 4 A hollow groove 18 is provided inside the front side of the casing 1, and the hollow groove 18 can allow the rotating rod 9 to rotate inside it. A pull cap 31 is fixedly connected to the rear side of the pull rod 3, and the pull cap 31 can facilitate the movement of the pull rod 3. A plurality of evenly distributed fixing grooves 32 are provided inside the fan-shaped slide 8, and the pull rod 3 can be stuck in the fixing groove 32 to fix the fan-shaped slide 8. A plurality of evenly distributed heat dissipation holes 16 are provided on the left side of the connecting shell 10, and the heat dissipation holes 16 can dissipate the heat generated by the motor 12. A protective cover 17 is fixedly connected to the right side of the connecting plate 13, and the protective cover 17 can protect the safety of the user and prevent injury. A pull block 30 is fixedly connected to the rear side of the pull plate 21, and the pull block 30 can facilitate the movement of the pull plate 21.

[0035] Working principle: when the angle of the angle grinder needs to be adjusted, the pull cap 31 can be pulled to drive the pull rod 3 to move, and the movement of the pull rod 3 will drive the limit plate 5 to move, and when the limit plate 5 moves outward, it will squeeze the tension spring 4 to generate elastic force, and when the pull rod 3 moves to the appropriate position, it will slide out the fan-shaped slide plate 8, and when the pull rod 3 slides out of the fan-shaped slide plate 8, the fan-shaped slide plate 8 can be rotated by the rotating rod 9, and the rotation of the fan-shaped slide plate 8 will drive the fixed block 7 to move, and the movement of the fixed block 7 will drive the connecting block 6 and the connecting shell 10 to move, and the movement of the connecting shell 10 will drive the motor 12 and the rotating shaft 14 to move together, and at the same time will also drive the connecting plate 13 to move, and the movement of the connecting plate 13 will drive the protective cover 17 to move, and the movement of the rotating shaft 14 will drive the grinding sheet 15 to move together, and when it moves to the appropriate angle, the pull cap 31 can be released, and the pull rod 3 will be re-stuck into the fixing groove 32 of the fan-shaped slide plate 8 , the fan-shaped slide plate 8 is fixed to achieve the effect of adjusting the angle of the angle grinder. After the adjustment, the motor 12 can be started to drive the rotating shaft 14 to rotate, and then drive the grinding sheet 15 to rotate to perform the grinding work. When the power supply of the angle grinder needs to be disassembled, the pull block 30 can be pulled to drive the pull plate 21 to move. The movement of the pull plate 21 will drive the sliding shell 22 to move. The movement of the sliding shell 22 will slide on the sliding rod 23. When the sliding shell 22 slides, it will squeeze the compression spring 25. When the compression spring 25 is squeezed, it will squeeze the blocking piece 24 to generate elastic force. When the sliding shell 22 moves, it will also drive the two buckles 26 to move. When the two buckles 26 slide out of the two buckles 27, the battery 28 and the base 29 can be separated from the connecting shell 2. At this time, the pull block 30 is released, and the sliding shell 22 and the pull plate 21 will rebound to the initial position due to the elastic force generated by the compression spring 25, so that the disassembly problem can be solved.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable lithium battery rechargeable angle grinder, comprising a housing (1), characterized in that: A hollow groove (2) is provided on the rear side of the casing (1), a pull rod (3) is slidably connected inside the hollow groove (2), a tension spring (4) is sleeved on the outer periphery of the pull rod (3), a limit plate (5) is fixedly connected to the front side of the tension spring (4), the middle part of the limit plate (5) is fixedly connected to the outer periphery of the pull rod (3), a connecting block (6) is fixedly connected to the left side of the casing (1), a fixed block (7) is fixedly connected to the right side of the connecting block (6), a fan-shaped slide plate (8) is fixedly connected to the right side of the fixed block (7), a rotating rod (9) is fixedly connected to the middle part of the fan-shaped slide plate (8), and the front and rear ends of the rotating rod (9) are rotatably connected to the casing (1). In the shell (1), the left side of the connecting block (6) is fixedly connected to a connecting shell (10), a hollow cavity (11) is provided inside the connecting shell (10), a motor (12) is fixedly connected inside the hollow cavity (11), a rotating shaft (14) is fixedly connected to the output end of the motor (12), a grinding sheet (15) is fixedly connected to the bottom end of the rotating shaft (14), a connecting plate (13) is rotatably connected to the outer periphery of the rotating shaft (14), the top side of the connecting plate (13) is fixedly connected to the bottom side of the connecting shell (10), and a disassembly component is arranged on the right side of the shell (1), and the disassembly component is used to disassemble the charging device of the angle grinder.

2. The adjustable lithium battery rechargeable angle grinder according to claim 1, characterized in that: The disassembly assembly comprises a second connection shell (19), the left side of the second connection shell (19) is fixedly connected to the right side of the housing (1), a slide groove (20) is provided inside the second connection shell (19), a pull plate (21) is slidably connected inside the slide groove (20), a sliding shell (22) is fixedly connected to the front side of the pull plate (21), a sliding rod (23) is slidably connected inside the sliding shell (22), and the front and rear sides of the sliding rod (23) are fixedly connected inside the second connection shell (19), The front side of the slide bar (23) is fixedly connected with a baffle (24), the rear side of the baffle (24) is fixedly connected with a compression spring (25), the compression spring (25) is sleeved on the outer periphery of the slide bar (23), the right side of the slide shell (22) is fixedly connected with two buckles (26), the right sides of the two buckles (26) are both slidably connected with buckles (27), the right side of the buckles (27) is fixedly connected with a battery (28), and the right side of the battery (28) is fixedly connected with a base (29).

3. The adjustable lithium battery rechargeable angle grinder according to claim 1, characterized in that: The fan-shaped slide plate (8) is provided with a plurality of evenly distributed fixing grooves (32) inside.

4. The adjustable lithium battery rechargeable angle grinder according to claim 1, characterized in that: A pull cap (31) is fixedly connected to the rear side of the pull rod (3).

5. The adjustable lithium battery rechargeable angle grinder according to claim 1, characterized in that: A protective cover (17) is fixedly connected to the right side of the connecting plate (13).

6. The adjustable lithium-electric rechargeable angle grinder according to claim 1, characterized in that: A hollow groove (18) is provided inside the front side of the casing (1).

7. The adjustable lithium-electric rechargeable angle grinder according to claim 2, characterized in that: A pulling block (30) is fixedly connected to the rear side of the pulling plate (21).

8. The adjustable lithium-electric rechargeable angle grinder according to claim 1, characterized in that: The left side of the connecting shell (10) is provided with a plurality of evenly distributed heat dissipation holes (16).

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