Brushless lithium battery angle grinder

Abstract

The utility model discloses a brushless lithium battery angle grinder which comprises a brushless lithium battery angle grinder control base, a protection adjusting mechanism is fixedly arranged on one side of the brushless lithium battery angle grinder control base, and a protection positioning mechanism is fixedly arranged at the bottom end of the protection adjusting mechanism. The protection adjusting mechanism comprises a positioning frame, and a positioning ring is fixedly arranged on one side of the positioning frame. The positioning gear ring drives the positioning seat to rotate along the positioning ring, so that the positioning seat drives the protective cover fixed at the top end to rotate, the protective cover rotates along the positioning groove formed in the outer wall of the mounting seat, and the protective cover and the protective positioning mechanism at the bottom end rotate; according to the brushless lithium battery angle grinder, the angle grinding wheel can be conveniently used for grinding at different angles, the brushless lithium battery angle grinder can conveniently conduct grinding work under different working environments, the brushless lithium battery angle grinder can conveniently conduct stable protection at different angles through the protection positioning mechanism, and the practicability of the brushless lithium battery angle grinder is improved.

Description

Technical Field

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

[0002] Angle grinder, also known as grinding machine or disc grinder, is a kind of grinding tool used for cutting and grinding fiberglass. Angle grinder is a portable electric tool that uses fiberglass to cut and grind, mainly used for cutting, grinding and brushing metal and stone.

[0003] In view of this, Chinese patent number CN217776574U proposes a brushless lithium-electric angle grinder. Construction workers only need to apply force downward to make the four guide wheels contact the surface of the workpiece. The guide wheels support the machine body, which can effectively prevent other components except the grinding wheel from contacting the workpiece. Therefore, construction workers do not need to deliberately control the force to prevent other components from contacting the workpiece, which is more convenient to use. However, in the above patents, it is difficult to adjust the protection direction of the brushless lithium-electric angle grinder when it is in use, which is not convenient for grinding and protection at different angles, and it is easy to cause the hidden danger of over-grinding. Therefore, a brushless lithium-electric angle grinder is needed. Utility Model Content

[0004] In order to solve the above problems, the purpose of the utility model is to provide a brushless lithium electric angle grinder to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model proposes a brushless lithium-electric angle grinder, comprising a brushless lithium-electric angle grinder control seat, one side of the brushless lithium-electric angle grinder control seat is fixedly provided with a protective adjustment mechanism, and the bottom end of the protective adjustment mechanism is fixedly provided with a protective positioning mechanism;

[0006] The protective adjustment mechanism includes a positioning frame, a positioning ring is fixedly provided on one side of the positioning frame, a positioning seat is rotatably provided in the middle position of the positioning ring, a positioning gear ring is fixedly provided on one end of the outer wall of the positioning seat, a positioning gear is rotatably provided on one side of the top of the positioning frame, the tooth surface of the positioning gear is meshed with the tooth surface of the positioning gear ring, a motor is fixedly provided at one end of the bottom of the control seat of the brushless lithium electric angle grinder, the output end of the motor is fixedly connected to the middle position of the top of the positioning gear, and a protective cover is fixedly provided on the top of the positioning seat.

[0007] In one example, a mounting seat is fixedly provided at one end of the bottom of the brushless lithium-electric angle grinder control seat, an angle grinding wheel is rotatably provided at the bottom end of the mounting seat, a positioning groove is opened on one side of the outer wall of the mounting seat, and one end of the top of the protective cover is rotatably connected to the inner wall of the positioning groove.

[0008] In one example, the protective positioning mechanism includes a fixed frame, a telescopic frame is slidably provided in the middle position of the fixed frame, fixed seats are fixed on both sides of the fixed frame, positioning rods are fixed in the middle position of the two fixed seats, springs are inserted at one end of the outer walls of the two positioning rods, and moving blocks are inserted at the other end of the outer walls of the two positioning rods, fixed grooves are opened on both sides of the fixed frame, and one side of the two moving blocks passes through one side of the two fixed grooves and is fixedly connected to one end of the two sides of the telescopic frame.

[0009] In one example, a buffer seat is fixedly provided at one end of the telescopic frame.

[0010] In one example, two ends of the two springs are in contact with one side of the inner walls of the two fixing seats and one side of the two moving blocks respectively.

[0011] In one example, a positioning handle is fixedly provided at one end of one side of the control base of the brushless lithium-electric angle grinder.

[0012] In one example, a switch panel is fixedly provided on one side of the control base of the brushless lithium-electric angle grinder, and the motor is electrically connected to an external power supply through the switch panel.

[0013] The brushless lithium electric angle grinder proposed by the utility model can bring the following beneficial effects:

[0014] 1. This brushless lithium-electric angle grinder drives the positioning seat to rotate along the positioning ring through the positioning gear ring, so that the positioning seat drives the protective cover fixed on the top to rotate, and the protective cover rotates along the positioning groove opened on the outer wall of the mounting seat, so that the protective cover and the protective positioning mechanism at the bottom are rotated, which is convenient for grinding at different angles of the angle grinding wheel, so that the brushless lithium-electric angle grinder is convenient for grinding work in different working environments, and the brushless lithium-electric angle grinder is convenient for stable protection at different angles through the protective positioning mechanism, thereby increasing the practicality of the brushless lithium-electric angle grinder.

[0015] 2. This brushless lithium-electric angle grinder contacts the object to be grinded through a buffer seat fixed on one side of the telescopic frame, and the moving blocks fixed on both sides of the telescopic frame slide through two fixed grooves. The moving blocks are respectively slidably connected to the two positioning rods, and the buffer seat controls the brushless lithium-electric angle grinder to grind slowly and steadily through the elastic deformation of the springs inserted in the outer walls of the two positioning rods, thereby avoiding the hidden danger of over-grinding and increasing the convenience of using the brushless lithium-electric angle grinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the control structure of the brushless lithium-electric angle grinder of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the protective adjustment mechanism of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the protective positioning mechanism of the utility model.

[0021] In the figure: 1. Control seat of brushless lithium electric angle grinder; 2. Mounting seat; 3. Angle grinding wheel; 4. Protective cover; 5. Positioning groove; 6. Positioning seat; 7. Positioning handle; 8. Positioning frame; 9. Positioning ring; 10. Positioning gear; 11. Motor; 12. Fixed frame; 13. Telescopic frame; 14. Buffer seat; 15. Positioning gear ring; 16. Fixed seat; 17. Positioning rod; 18. Spring; 19. Fixed groove; 20. Moving block. DETAILED DESCRIPTION

[0022] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0023] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] The embodiments are as follows. The utility model provides Figure 1-4 A brushless lithium-electric angle grinder shown includes a brushless lithium-electric angle grinder control base 1, a protection adjustment mechanism is fixedly provided on one side of the brushless lithium-electric angle grinder control base 1, and a protection positioning mechanism is fixedly provided on the bottom end of the protection adjustment mechanism;

[0025] The protective adjustment mechanism includes a positioning frame 8, a positioning ring 9 is fixedly provided on one side of the positioning frame 8, a positioning seat 6 is rotatably provided in the middle position of the positioning ring 9, a positioning gear ring 15 is fixedly provided on one end of the outer wall of the positioning seat 6, a positioning gear 10 is rotatably provided on one side of the top of the positioning frame 8, the tooth surface of the positioning gear 10 is meshed with the tooth surface of the positioning gear ring 15, a motor 11 is fixedly provided at one end of the bottom of the brushless lithium electric angle grinder control seat 1, the output end of the motor 11 is fixedly connected to the middle position of the top of the positioning gear 10, and a protective cover 4 is fixedly provided on the top of the positioning seat 6.

[0026] A mounting seat 2 is fixedly provided at one end of the bottom of the brushless lithium-electric angle grinder control seat 1, an angle grinding wheel 3 is rotatably provided at the bottom end of the mounting seat 2, a positioning groove 5 is opened on one side of the outer wall of the mounting seat 2, and one end of the top of the protective cover 4 is rotatably connected to the inner wall of the positioning groove 5.

[0027] Furthermore, the protective positioning mechanism includes a fixed frame 12, a telescopic frame 13 is slidably provided in the middle position of the fixed frame 12, fixed seats 16 are fixed on both sides of the fixed frame 12, positioning rods 17 are fixed in the middle position of the two fixed seats 16, springs 18 are inserted at one end of the outer walls of the two positioning rods 17, and moving blocks 20 are inserted at the other end of the outer walls of the two positioning rods 17, fixed grooves 19 are opened on both sides of the fixed frame 12, and one side of the two moving blocks 20 passes through one side of the two fixed grooves 19 and is fixedly connected to one end of both sides of the telescopic frame 13.

[0028] A buffer seat 14 is fixedly provided at one end of the telescopic frame 13 .

[0029] Two ends of the two springs 18 are in contact with one side of the inner wall of the two fixing seats 16 and one side of the two moving blocks 20 respectively.

[0030] Furthermore, a positioning handle 7 is fixedly provided at one end of one side of the brushless lithium-electric angle grinder control base 1 .

[0031] Furthermore, a switch panel is fixedly provided on one side of the brushless lithium-electric angle grinder control base 1, and the motor 11 is electrically connected to the external power supply through the switch panel.

[0032] Working principle: When the brushless lithium-electric angle grinder is needed, the output end of the motor 11 fixed at the bottom of the brushless lithium-electric angle grinder control seat 1 drives the positioning gear 10 to rotate, so that the tooth surface of the positioning gear 10 meshes with the tooth surface of the positioning gear ring 15, so that the positioning gear ring 15 drives the positioning seat 6 to rotate along the positioning ring 9, so that the positioning seat 6 drives the protective cover 4 fixed on the top to rotate, so that the protective cover 4 rotates along the positioning groove 5 opened on the outer wall of the mounting seat 2, so that the protective cover 4 and the protective positioning mechanism at the bottom rotate, so that the angle grinding wheel 3 can be used for grinding at different angles, so that the brushless lithium-electric angle grinder can be used in different working environments. The invention is suitable for grinding work, and the brushless lithium-electric angle grinder is convenient for stable protection at different angles through the protective positioning mechanism, thereby increasing the practicality of the brushless lithium-electric angle grinder. The buffer seat 14 fixed on one side of the telescopic frame 13 contacts the object to be ground, and the moving blocks 20 fixed on both sides of the telescopic frame 13 slide through the two fixed grooves 19. The moving blocks 20 are respectively slidably connected with the two positioning rods 17. Through the elastic deformation of the springs 18 inserted in the outer walls of the two positioning rods 17, the buffer seat 14 controls the brushless lithium-electric angle grinder to grind slowly and stably, thereby avoiding the hidden danger of excessive grinding and increasing the convenience of using the brushless lithium-electric angle grinder.

[0033] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0034] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A brushless lithium electric angle grinder, comprising: A brushless lithium-electric angle grinder control base (1), wherein a protection adjustment mechanism is fixedly provided on one side of the brushless lithium-electric angle grinder control base (1), and a protection positioning mechanism is fixedly provided on the bottom end of the protection adjustment mechanism; The protective adjustment mechanism comprises a positioning frame (8), a positioning ring (9) is fixedly provided on one side of the positioning frame (8), a positioning seat (6) is rotatably provided in the middle position of the positioning ring (9), a positioning gear ring (15) is fixedly provided on one end of the outer wall of the positioning seat (6), a positioning gear (10) is rotatably provided on one side of the top of the positioning frame (8), the tooth surface of the positioning gear (10) is meshed with the tooth surface of the positioning gear ring (15), a motor (11) is fixedly provided at one end of the bottom of the brushless lithium electric angle grinder control seat (1), the output end of the motor (11) is fixedly connected to the middle position of the top of the positioning gear (10), and a protective cover (4) is fixedly provided on the top of the positioning seat (6).

2. A brushless lithium electric angle grinder according to claim 1, characterized in that: A mounting seat (2) is fixedly provided at one end of the bottom of the brushless lithium electric angle grinder control seat (1); an angle grinding wheel (3) is rotatably provided at the bottom end of the mounting seat (2); a positioning groove (5) is provided on one side of the outer wall of the mounting seat (2); and one end of the top of the protective cover (4) is rotatably connected to the inner wall of the positioning groove (5).

3. The brushless lithium electric angle grinder according to claim 1, characterized in that: The protective positioning mechanism comprises a fixed frame (12), a telescopic frame (13) is slidably provided in the middle position of the fixed frame (12), fixed seats (16) are fixedly provided on both sides of the fixed frame (12), positioning rods (17) are fixedly provided in the middle positions of the two fixed seats (16), springs (18) are inserted into one end of the outer wall of the two positioning rods (17), and moving blocks (20) are inserted into the other end of the outer wall of the two positioning rods (17), fixed grooves (19) are provided on both sides of the fixed frame (12), and one side of the two moving blocks (20) passes through one side of the two fixed grooves (19) and is fixedly connected to one end of both sides of the telescopic frame (13).

4. A brushless lithium electric angle grinder according to claim 3, characterized in that: A buffer seat (14) is fixedly provided at one end of the telescopic frame (13).

5. The brushless lithium electric angle grinder according to claim 3, characterized in that: Two ends of the two springs (18) are in contact with one side of the inner wall of the two fixed seats (16) and one side of the two moving blocks (20) respectively.

6. The brushless lithium electric angle grinder according to claim 1, characterized in that: A positioning handle (7) is fixedly provided at one end of one side of the brushless lithium electric angle grinder control base (1).

7. The brushless lithium electric angle grinder according to claim 1, characterized in that: A switch panel is fixedly provided on one side of the brushless lithium-electric angle grinder control base (1), and the motor (11) is electrically connected to an external power source via the switch panel.

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