Efficient motor for polishing tool

By designing an efficient motor for grinding tools, driving the bevel gear to rotate and multiple sets of bearings are provided on the shaft, the safety hazards caused by the motor shaft offset are solved, stable and efficient long-term operation is achieved, and noise and thermal management needs are reduced.

CN223052870UActive Publication Date: 2025-07-01YUYAO CHILI MOTOR CO LTD
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Patent Information

Application Number
CN202422019651.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-19
Publication Date
2025-07-01
Estimated Expiration
2034-08-19

AI Technical Summary

Technical Problem

When the motor used for grinding tools is running for a long time, the shaft is prone to offset, resulting in damage and splashing of the grinding sheet, posing a safety hazard.

Method used

An efficient motor for grinding tools is designed, and the first bevel gear and the second bevel gear are driven by the motor to rotate, so that the rotating shaft drives the grinding tool to grind, and three sets of bearings are provided outside the rotating shaft to maintain stable rotation.

Benefits of technology

The risk of grinding tools is reduced, overall safety is improved, and the noise and heat transfer are reduced through the setting of sound insulation felt and heat dissipation fins, forming a small and lightweight motor structure that can run efficiently for a long time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of motors, in particular to a high-efficiency motor for a polishing tool, which comprises a shell assembly and a motor assembly connected with the interior of the shell assembly. The shell assembly is composed of a mounting plate, a connecting base, a first bearing, a first mounting shell, a handheld rod, cooling fins, a second mounting shell, a sound insulation felt, a speed regulator, a tail cover, a control button, a handheld handle and an electric wire, and the motor assembly is composed of a motor, a first bevel gear, a second bearing, a second bevel gear, a third bearing and a rotating shaft. A first bevel gear is connected to one side of the motor, a second bevel gear is connected to the lower end of the first bevel gear, a rotating shaft is connected to the middle of the second bevel gear, a second bearing is connected to the upper end of the rotating shaft, and a third bearing is connected to the lower portion of the rotating shaft.
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Description

Technical Field

[0001] The utility model relates to the technical field of motors, and particularly relates to an efficient motor for a grinding tool. Background Technique

[0002] When the motor for a grinding tool runs for a long time, the shaft offset is likely to cause damage and splashing of the grinding disc, which has potential safety hazards.

[0003] Therefore, it is necessary to design an efficient motor for a grinding tool to solve the problems in the above background technique. Content of the Utility Model

[0004] The purpose of the utility model is to solve the problems in the prior art, and to provide an efficient motor for a grinding tool.

[0005] To achieve the above purpose, the utility model provides the following technical solution:

[0006] An efficient motor for a grinding tool, comprising a housing assembly and a motor assembly, wherein the motor assembly is connected inside the housing assembly;

[0007] The housing assembly is composed of a mounting plate, a connecting seat, a first bearing, a first mounting shell, a hand-held rod, heat dissipation fins, a second mounting shell, sound insulation felt, a speed regulator, a tail cover, a control button, a hand-held handle and a wire. And a first mounting shell is arranged on one side of the second mounting shell, a tail cover is connected to the side of the second mounting shell away from the first mounting shell, a connecting seat is connected to the lower end of the first mounting shell, a mounting plate is arranged at the lower end of the connecting seat, a first bearing is connected to the middle of the connecting seat, a hand-held rod is arranged at the upper part of the front surface of the first mounting shell, multiple groups of heat dissipation fins are arranged on the outside of the second mounting shell, multiple groups of sound insulation felt are connected to the inner wall of the second mounting shell, a speed regulator is connected inside the tail cover, a control button is connected to the upper end of the tail cover, a hand-held handle is arranged on the side of the tail cover away from the second mounting shell, and a wire is connected to the middle of the hand-held handle;

[0008] The motor assembly is composed of a motor, a first bevel gear, a second bearing, a second bevel gear, a third bearing and a shaft. And a first bevel gear is connected to one side of the motor, a second bevel gear is connected to the lower end of the first bevel gear, a shaft is connected to the middle of the second bevel gear, a second bearing is connected to the upper end of the shaft, and a third bearing is connected to the lower part of the shaft.

[0009] As a preferred scheme of the utility model, the motor, the wire, the control button and the speed regulator are all electrically connected.

[0010] As a preferred scheme of the utility model, the motor and the first bevel gear are connected by a coupling, and the first bevel gear and the second bevel gear are connected by meshing.

[0011] As a preferred embodiment of the present utility model, the motor and the second mounting shell are connected by socketing and limited and locked by bolts. The first bevel gear and the second mounting shell are connected by bearings. The sound insulation felt is socketed outside the motor.

[0012] As a preferred embodiment of the present utility model, the upper end of the rotating shaft is installed at the top inside the first mounting shell through a second bearing and bolts, and the lower part of the rotating shaft is installed at the lower part inside the first mounting shell through a third bearing and bolts.

[0013] As a preferred embodiment of the present utility model, the first mounting shell and the connecting seat are connected by screwing tightly.

[0014] As a preferred embodiment of the present utility model, the rotating shaft is connected to the connecting seat through a first bearing.

[0015] As a preferred embodiment of the present utility model, the tail cover and the second mounting shell are connected by screwing tightly.

[0016] In summary, the technical effects and advantages of the present utility model are as follows: For the high-efficiency motor of the grinding tool, during use, the first bevel gear and the second bevel gear are driven by the motor to rotate, so that the rotating shaft drives the grinding tool to grind. There are three groups of bearings arranged on the rotating shaft from top to bottom in sequence, so that the rotating shaft rotates stably, thereby reducing the deviation of the grinding tool and improving the overall safety. Moreover, the sound insulation felt is arranged outside the motor, which can reduce the noise generated during the overall operation. Through the setting of the heat dissipation fins, the transfer of heat can be improved. The hand-held rod outside the first mounting shell and the hand-held handle at the overall tail form a double hand-held structure, which is convenient to use, forming a small and lightweight motor structure. The overall structure is simple and can operate efficiently for a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the overall structure diagram of the present utility model;

[0018] Figure 2 is the structure diagram of the motor assembly of the present utility model;

[0019] Figure 3 is the structure diagram of the housing assembly of the present utility model.

[0020] In the figure: 1. Outer shell assembly; 101. Mounting plate; 102. Connecting seat; 103. First bearing; 104. First mounting shell; 105. Handheld rod; 106. Heat dissipation fins; 107. Second mounting shell; 108. Sound insulation felt; 109. Speed regulator; 110. Tail cover; 111. Control button; 112. Handheld handle; 113. Electric wire; 2. Motor assembly; 201. Motor; 202. First bevel gear; 203. Second bearing; 204. Second bevel gear; 205. Third bearing; 206. Rotating shaft. Detailed implementation manners

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0022] Refer to Figures 1 - 3 , a high-efficiency motor for a grinding tool, comprising an outer shell assembly 1 and a motor assembly 2, and the motor assembly 2 is connected inside the outer shell assembly 1; the outer shell assembly 1 is composed of a mounting plate 101, a connecting seat 102, a first bearing 103, a first mounting shell 104, a handheld rod 105, heat dissipation fins 106, a second mounting shell 107, a sound insulation felt 108, a speed regulator 109, a tail cover 110, a control button 111, a handheld handle 112 and an electric wire 113, and a first mounting shell 104 is provided on one side of the second mounting shell 107, a tail cover 110 is connected to the side of the second mounting shell 107 away from the first mounting shell 104, a connecting seat 102 is connected to the lower end of the first mounting shell 104, a mounting plate 101 is provided at the lower end of the connecting seat 102, a first bearing 103 is connected to the middle inside the connecting seat 102, a handheld rod 105 is provided at the upper part of the front surface of the first mounting shell 104, multiple groups of heat dissipation fins 106 are provided outside the second mounting shell 107, multiple groups of sound insulation felt 108 are connected to the inner wall of the second mounting shell 107, a speed regulator 109 is connected inside the tail cover 110, a control button 111 is connected to the upper end of the tail cover 110, a handheld handle 112 is provided on the side of the tail cover 110 away from the second mounting shell 107, and an electric wire 113 is connected to the middle of the handheld handle 112; the motor assembly 2 is composed of a motor 201, a first bevel gear 202, a second bearing 203, a second bevel gear 204, a third bearing 205 and a rotating shaft 206, and a first bevel gear 202 is connected to one side of the motor 201, a second bevel gear 204 is connected to the lower end of the first bevel gear 202, a rotating shaft 206 is connected to the middle of the second bevel gear 204, a second bearing 203 is connected to the upper end of the rotating shaft 206, and a third bearing 205 is connected to the lower part of the rotating shaft 206.

[0023] Refer to Figure 1 , Figure 2 and Figure 3, when the motor for the grinding tool runs for a long time, the shaft offset is likely to cause damage and splashing of the grinding disc, posing a safety hazard. The motor 201, wire 113, control button 111, and speed regulator 109 are all electrically connected. The motor 201 and the first bevel gear 202 are connected by a coupling. The first bevel gear 202 and the second bevel gear 204 are connected by meshing. The motor 201 and the second mounting shell 107 are connected by socketing and limited and locked by bolts. The first bevel gear 202 and the second mounting shell 107 are connected by a bearing. The sound insulation felt 108 is socketed outside the motor 201. The upper end of the shaft 206 is installed at the top inside the first mounting shell 104 through the second bearing 203 and bolts. The lower part of the shaft 206 is installed at the lower part inside the first mounting shell 104 through the third bearing 205 and bolts. The first mounting shell 104 and the connecting seat 102 are screwed and tightened. The shaft 206 is connected to the connecting seat 102 through the first bearing 103. The end cap 110 and the second mounting shell 107 are screwed and tightened. When in use, the motor 201 drives the first bevel gear 202 and the second bevel gear 204 to rotate, so that the shaft 206 drives the grinding tool to grind. Three groups of bearings are arranged on the outside of the shaft 206 from top to bottom, so that the shaft 206 rotates stably, thereby reducing the offset of the grinding tool and improving the overall safety. Moreover, the sound insulation felt 108 is arranged outside the motor 201, which can reduce the noise generated during the overall operation. Through the setting of the heat dissipation fins 106, the transfer of heat can be improved. The hand-held rod 105 outside the first mounting shell 104 and the hand-held handle 112 at the overall tail form a double hand-held structure, which is convenient to use, forming a small and lightweight motor structure. The overall structure is simple and can operate efficiently for a long time.

[0024] Working principle: There are electrical connections between the motor 201, wire 113, control button 111 and speed regulator 109 of the high-efficiency motor for the grinding tool. The motor 201 and the first bevel gear 202 are connected by a coupling. The first bevel gear 202 and the second bevel gear 204 are connected by meshing. The motor 201 and the second mounting shell 107 are connected by sleeving and limited and locked by bolts. The first bevel gear 202 and the second mounting shell 107 are connected by a bearing. The sound insulation felt 108 is sleeved outside the motor 201. The upper end of the rotating shaft 206 is installed at the top inside the first mounting shell 104 through the second bearing 203 and bolts. The lower part of the rotating shaft 206 is installed at the lower part inside the first mounting shell 104 through the third bearing 205 and bolts. The first mounting shell 104 and the connecting seat 102 are screwed and tightened. The rotating shaft 206 is connected to the connecting seat 102 through the first bearing 103. The end cover 110 and the second mounting shell 107 are screwed and tightened. When in use, the motor 201 drives the first bevel gear 202 and the second bevel gear 204 to rotate, so that the rotating shaft 206 drives the grinding tool to grind. There are three groups of bearings arranged on the rotating shaft 206 from top to bottom, so that the rotating shaft 206 rotates stably, thereby reducing the deviation of the grinding tool and improving the overall safety. And the sound insulation felt 108 is arranged outside the motor 201, which can reduce the noise generated during the overall operation. Through the setting of the heat dissipation fins 106, the transfer of heat can be improved. The hand-held rod 105 outside the first mounting shell 104 and the hand-held handle 112 at the overall tail form a double hand-held structure, which is convenient to use, forming a small and lightweight motor structure. The overall structure is simple and can operate efficiently for a long time.

[0025] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency motor for a grinding tool, comprising a housing assembly (1) and a motor assembly (2), characterized in that: The housing component (1) is internally connected to a motor component (2); The housing assembly (1) is composed of a mounting plate (101), a connecting seat (102), a first bearing (103), a first mounting shell (104), a hand-held rod (105), a heat dissipation fin (106), a second mounting shell (107), a sound insulation felt (108), a speed regulator (109), a tail cover (110), a control button (111), a hand-held handle (112) and an electric wire (113), and the first mounting shell (104) is arranged on one side of the second mounting shell (107), the tail cover (110) is connected to a side of the second mounting shell (107) away from the first mounting shell (104), the lower end of the first mounting shell (104) is connected to the connecting seat (102), and the connecting seat (1 02) is provided with a mounting plate (101) at the lower end, a first bearing (103) is connected to the middle of the connection seat (102), a hand-held rod (105) is provided at the upper front of the first mounting shell (104), a plurality of groups of heat dissipation fins (106) are provided on the outside of the second mounting shell (107), a plurality of groups of sound insulation felts (108) are connected to the inner wall of the second mounting shell (107), a speed regulator (109) is connected inside the tail cover (110), a control button (111) is connected to the upper end of the tail cover (110), a hand-held handle (112) is provided on the side of the tail cover (110) away from the second mounting shell (107), and a wire (113) is connected to the middle of the hand-held handle (112); The motor assembly (2) is composed of a motor (201), a first bevel gear (202), a second bearing (203), a second bevel gear (204), a third bearing (205) and a rotating shaft (206), wherein one side of the motor (201) is connected to the first bevel gear (202), the lower end of the first bevel gear (202) is connected to the second bevel gear (204), the middle of the second bevel gear (204) is connected to the rotating shaft (206), the upper end of the rotating shaft (206) is connected to the second bearing (203), and the lower part of the rotating shaft (206) is connected to the third bearing (205).

2. A high-efficiency motor for grinding tools according to claim 1, characterized in that: The motor (201), the electric wire (113), the control button (111) and the speed regulator (109) are all electrically connected.

3. The high-efficiency motor for grinding tools according to claim 1, characterized in that: The motor (201) and the first bevel gear (202) are connected via a coupling, and the first bevel gear (202) and the second bevel gear (204) are connected via meshing.

4. A high-efficiency motor for grinding tools according to claim 1, characterized in that: The motor (201) and the second mounting shell (107) are connected by sleeve connection and locked by bolt limit, the first bevel gear (202) and the second mounting shell (107) are connected by bearings, and the sound insulation felt (108) is sleeved on the outside of the motor (201).

5. The high-efficiency motor for grinding tools according to claim 1, characterized in that: The upper end of the rotating shaft (206) is installed at the top of the first mounting shell (104) through a second bearing (203) and bolts, and the lower part of the rotating shaft (206) is installed at the lower part of the first mounting shell (104) through a third bearing (205) and bolts.

6. A high-efficiency motor for grinding tools according to claim 1, characterized in that: The first mounting shell (104) and the connecting seat (102) are screwed together via threads.

7. A high-efficiency motor for grinding tools according to claim 1, characterized in that: The rotating shaft (206) is connected via a first bearing (103) and a connecting seat (102).

8. The high-efficiency motor for grinding tools according to claim 1, characterized in that: The tail cover (110) and the second mounting shell (107) are screwed together via threads.