Controller for brushless angle grinder
By installing sliding grooves and rectangular grooves on the inner wall of the angle grinder handle, the dust cover is driven to cover the heat dissipation hole, which solves the problem of dust entering, and improves grip and adapts to multi-angle grinding through the detachable round rod, which realizes the prevention of the controller Dust and easy to use.
Patent Information
- Application Number
- CN202421525585.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-07-01
AI Technical Summary
The controllers of existing angle grinders lack dust covers, and dust enters through the heat dissipation holes and causes damage.
A controller for a brushless angle grinder is designed. The inner wall of the handle is equipped with a slide groove and a rectangular groove. The slider drives the dustproof cover to cover the heat dissipation hole when not in use, preventing dust from entering, and can be detached and installed on the round rod when needed. To improve grip and adapt to grinding operations at different angles.
Effectively prevent dust from entering the controller, extending its service life, and providing flexible grip and multi-angle polishing capabilities.
Smart Images
Figure CN222222148U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of angle grinders, in particular to a controller for a brushless 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. Electric angle grinder uses high-speed rotating thin-blade grinding wheel, rubber grinding wheel, wire wheel, etc. to grind, cut, rust and polish metal components. Angle grinder is suitable for cutting, grinding and brushing metal and stone.
[0003] The controllers of existing angle grinders are all installed inside the handles, and the outer walls of the handles are provided with heat dissipation holes, but there are no dust covers outside the heat dissipation holes, so that when the angle grinder is not working, some dust will enter the controller through the heat dissipation holes, causing damage to the controller.
[0004] Therefore, it is necessary to provide a controller for a brushless angle grinder to solve the above technical problems. Utility Model Content
[0005] The utility model provides a controller for a brushless angle grinder, which solves the problem that dust enters the controller through the heat dissipation holes and causes damage to the controller.
[0006] In order to solve the above technical problems, the controller for a brushless angle grinder provided by the utility model comprises: a body, a rotating shaft is installed at the bottom of the body, a grinding wheel is installed at the bottom of the rotating shaft, a handle is installed on the side wall of the body, a circular plate is installed on the inner wall of the handle close to the body, a connecting pipe is installed on the side wall of the circular plate, a controller is installed on the other end of the connecting pipe, an external thread block is installed on the other end of the controller, a cover is threadedly connected to the outer wall of the external thread block, a power supply hole is installed on the outer wall of the cover, a plurality of groups of heat dissipation holes are evenly opened on the outer wall of the handle, a slide groove and a rectangular groove are respectively opened on the inner wall of the handle, a slider 2 is slidably connected to the inner wall of the slide groove, a rectangular block is installed on the outer wall of the slider 2, a slider 1 is slidably connected to the inner wall of the rectangular groove, a dust cover is fitted and contacted on the inner wall of the handle, and the outer walls of the dust cover are respectively fixedly connected to the slider 1 and the slider 2, a plurality of groups of mounting seats are evenly installed on the outer wall of the handle, a limiting component is installed between every two groups of the mounting seats, the limiting component is connected with a mounting block, and a round rod is fixedly installed between the two groups of the mounting blocks.
[0007] Preferably, the limit assembly includes a limit slot, a limit block, a limit plate, a stop block and a second rotating shaft, the limit slot is opened on the front end side wall of the mounting seat, the limit block is plug-connected to the limit slot, and the mounting block is fixedly connected to the top of the limit block.
[0008] Preferably, the second rotating shaft is fixedly connected to the front end side wall of the mounting seat, the limiting plate is rotatably connected to the second rotating shaft, and the limiting plate is in close contact with the outer wall of the limiting block.
[0009] Preferably, the stopper is fixedly mounted on the front end side wall of the mounting seat, and the stopper is in close contact with the limiting plate.
[0010] Preferably, a protrusion is fixedly mounted on the outer wall of the cover.
[0011] Preferably, the outer wall of the round rod is provided with anti-slip grooves.
[0012] Compared with the related art, the controller for the brushless angle grinder provided by the utility model has the following beneficial effects:
[0013] The utility model provides a controller for a brushless angle grinder. When the controller is working, the rectangular block is pushed by hand so that the second slider drives the dust cover to move along the inner wall of the handle and leave the lower end of the heat dissipation hole, so that the high temperature generated by the controller can be promptly discharged from the handle. When the angle grinder is not in use, the dust cover is pulled back to the bottom of the heat dissipation hole to prevent dust from entering the handle. When the user feels that the handle cannot be held, the limit assembly is opened, and the mounting block with the round rod is mounted on the mounting seat, so that grinding can be carried out by holding the round rod. At the same time, the mounting seats in different positions can facilitate the user to mount the round rod on its surface to cope with grinding operations at different angles. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 A schematic structural diagram of a preferred embodiment of a controller for a brushless angle grinder provided by the utility model;
[0015] Figure 2 for Figure 1 A schematic diagram of the internal structure of the handle shown;
[0016] Figure 3 for Figure 1 A schematic diagram of the structure of the controller shown;
[0017] Figure 4 for Figure 1 An enlarged schematic diagram of part A is shown;
[0018] Figure 5 for Figure 2 An enlarged schematic diagram of part B is shown.
[0019] Numbers in the figure: 1, body, 2, grinding wheel, 3, handle, 4, cover, 5, power hole, 6, bump, 7, shaft one, 8, heat dissipation hole, 9, slide groove, 10, rectangular block, 11, mounting seat, 12, limit assembly, 121, limit groove, 122, limit block, 123, limit plate, 124, stopper, 125, shaft two, 13, round rod, 14, mounting block, 15, round plate, 16, dust cover, 17, connecting pipe, 18, controller, 19, rectangular groove, 20, slider one, 21, slider two, 22, external thread block. DETAILED DESCRIPTION
[0020] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.
[0021] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of a controller for a brushless angle grinder provided by the utility model; Figure 2 for Figure 1 A schematic diagram of the internal structure of the handle shown; Figure 3 for Figure 1 A schematic diagram of the structure of the controller shown; Figure 4 for Figure 1 An enlarged schematic diagram of part A is shown;
[0022] Figure 5 for Figure 2The controller for the brushless angle grinder comprises: a body 1, a rotating shaft 7 is installed at the bottom of the body 1, a grinding wheel 2 is installed at the bottom of the rotating shaft 7, a handle 3 is installed on the side wall of the body 1, a circular plate 15 is installed on the inner wall of the handle 3 close to the body 1, a connecting pipe 17 is installed on the side wall of the circular plate 15, a controller 18 is installed on the other end of the connecting pipe 17, an external thread block 22 is installed on the other end of the controller 18, a cover 4 is threadedly connected to the outer wall of the external thread block 22, a power supply hole 5 is installed on the outer wall of the cover 4, a plurality of heat dissipation holes 8 are evenly opened on the outer wall of the handle 3, and the inner wall of the handle 3 is divided into A slide groove 9 and a rectangular groove 19 are separately provided, the slide groove 9 passes through the handle 3, the inner wall of the slide groove 9 is slidably connected with a slider 21, the outer wall of the slider 21 is installed with a rectangular block 10, the inner wall of the rectangular groove 19 is slidably connected with a slider 1 20, the inner wall of the handle 3 is in contact with a dust cover 16, the outer walls of the dust cover 16 are respectively fixedly connected to the slider 1 20 and the slider 2 21, a plurality of groups of mounting seats 11 are evenly installed on the outer wall of the handle 3, a limiting assembly 12 is installed between every two groups of the mounting seats 11, the limiting assembly 12 is connected with a mounting block 14, and a round rod 13 is fixedly installed between the two groups of the mounting blocks 14.
[0023] The limiting assembly 12 includes a limiting groove 121, a limiting block 122, a limiting plate 123, a stopper 124 and a second rotating shaft 125. The limiting groove 121 is provided on the front end side wall of the mounting seat 11. The limiting block 122 is plug-connected to the limiting groove 121. The mounting block 14 is fixedly connected to the top of the limiting block 122. The limiting groove 121 passes through the top of the mounting seat 11.
[0024] The second rotating shaft 125 is fixedly connected to the front end side wall of the mounting seat 11, and the limit plate 123 is rotatably connected to the second rotating shaft 125. The limit plate 123 is in contact with the outer wall of the limit block 122. The limit plate 123 is rotated to make it leave the entrance end of the limit groove 121, so as to facilitate the limit block 122 to be pulled out from the inside of the limit groove 121 and disassemble the round rod 13.
[0025] The stopper 124 is fixedly mounted on the front end side wall of the mounting base 11, and is in close contact with the limit plate 123. A torsion spring is arranged between the limit plate 123 and the second rotating shaft 125. The stopper 124 is arranged to limit the limit plate 123 from rotating under the action of the torsion spring.
[0026] A protrusion 6 is fixedly mounted on the outer wall of the cover 4 , and the arrangement of the protrusion 6 facilitates the rotation of the cover 4 .
[0027] The outer wall of the round rod 13 is provided with anti-slip grooves.
[0028] The working principle of the controller for the brushless angle grinder provided by the utility model is as follows: when the controller 18 is working, the rectangular block 10 is pushed by hand so that the slider 21 drives the dust cover 16 to move along the inner wall of the handle 3 and leave the lower end of the heat dissipation hole 8. When the angle grinder is not in use, the dust cover 16 is pulled back to the bottom of the heat dissipation hole 8 to prevent dust from entering the handle 3. When the user feels that the handle 3 cannot be held, the limit assembly 12 is opened, and the mounting block 14 with the round rod 13 is installed on the mounting seat 11, and grinding can be carried out by holding the round rod 13.
[0029] Compared with the related art, the controller for the brushless angle grinder provided by the utility model has the following beneficial effects:
[0030] When the controller 18 is working, the rectangular block 10 is pushed by hand so that the slider 21 drives the dust cover 16 to move along the inner wall of the handle 3 and leave the lower end of the heat dissipation hole 8, so as to facilitate the high temperature generated by the controller 18 to be discharged from the handle 3 in time. When the angle grinder is not in use, the dust cover 16 is pulled back to the bottom of the heat dissipation hole 8 to prevent dust from entering the handle 3. When the user feels that the handle 3 cannot be held, the limit assembly 12 is opened, and the mounting block 14 with the round rod 13 is installed on the mounting seat 11. The round rod 13 can be held for grinding. At the same time, the mounting seats 11 in different positions can facilitate the user to install the round rod 13 on its surface to cope with grinding operations at different angles.
[0031] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A controller for a brushless angle grinder, characterized in that: include: A machine body (1), a rotating shaft (7) is installed at the bottom of the machine body (1), a grinding wheel (2) is installed at the bottom of the rotating shaft (7), a handle (3) is installed on the side wall of the machine body (1), a circular plate (15) is installed on the inner wall of the handle (3) close to the machine body (1), a connecting pipe (17) is installed on the side wall of the circular plate (15), a controller (18) is installed on the other end of the connecting pipe (17), an external thread block (22) is installed on the other end of the controller (18), the outer wall of the external thread block (22) is threadedly connected to a cover (4), the outer wall of the cover (4) is installed with a power supply hole (5), the outer wall of the handle (3) is evenly opened with a plurality of groups of heat dissipation holes (8), and the inner wall of the handle (3) is respectively A slide groove (9) and a rectangular groove (19) are provided, the inner wall of the slide groove (9) is slidably connected to a second slide block (21), the outer wall of the second slide block (21) is installed with a rectangular block (10), the inner wall of the rectangular groove (19) is slidably connected to a first slide block (20), the inner wall of the handle (3) is in close contact with a dust cover (16), the outer wall of the dust cover (16) is respectively fixedly connected to the first slide block (20) and the second slide block (21), the outer wall of the handle (3) is evenly installed with a plurality of groups of mounting seats (11), a limiting assembly (12) is installed between every two groups of the mounting seats (11), the limiting assembly (12) is connected to a mounting block (14), and a round rod (13) is fixedly installed between the two groups of the mounting blocks (14).
2. The controller for a brushless angle grinder according to claim 1, characterized in that: The limiting assembly (12) comprises a limiting groove (121), a limiting block (122), a limiting plate (123), a stopper (124) and a second rotating shaft (125); the limiting groove (121) is provided on the front end side wall of the mounting seat (11); the limiting block (122) is plug-connected to the limiting groove (121); and the mounting block (14) is fixedly connected to the top of the limiting block (122).
3. The controller for a brushless angle grinder according to claim 2, characterized in that: The second rotating shaft (125) is fixedly connected to the front end side wall of the mounting seat (11), the limiting plate (123) is rotatably connected to the second rotating shaft (125), and the limiting plate (123) is in close contact with the outer wall of the limiting block (122).
4. The controller for a brushless angle grinder according to claim 3, characterized in that: The stopper (124) is fixedly mounted on the front end side wall of the mounting seat (11), and the stopper (124) is in close contact with the limiting plate (123).
5. The controller for a brushless angle grinder according to claim 1, characterized in that: A protrusion (6) is fixedly mounted on the outer wall of the cover (4).
6. The controller for a brushless angle grinder according to claim 1, characterized in that: The outer wall of the round rod (13) is provided with anti-slip grooves.