Electric tool bearing cooling device
By using metal heat conduction plates and high-pressure nozzles in the bearing cooling device of the electric tool, and combining with the cooling fan to assist in cooling, the problems of bearing heat dissipation and moisture inlet are solved, and efficient cooling and protection effects are achieved.
Patent Information
- Application Number
- CN202420924692.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-01-10
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Power tool bearings generate a large amount of heat during long working hours. Direct cooling with cold water may cause thermal shock damage to the material and rust in the bearings. The existing technology is difficult to effectively solve this problem.
A power tool bearing cooling device is designed, which uses metal heat conducting plates to absorb the heat of the bearing, and sprays and cools through a high-pressure nozzle through a water pump. Combined with a cooling fan to assist in cooling, the bearing is cooled indirectly to avoid direct cooling of the bearing surface and preventing moisture from entering. .
It effectively avoids thermal shock damage and moisture inlet of bearing materials, improves the cooling efficiency and service life of bearings, and ensures efficient operation of bearings.
Smart Images

Figure CN222334303U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cooling devices, in particular to a cooling device for a bearing of an electric tool. Background Art
[0002] Power tool bearings are key components used in power tools. They support rotating parts and bear various loads. Power tool bearings need to have high speed, high precision, compact structure and good wear resistance to ensure efficient operation and long service life of the tools.
[0003] Bearings will generate a lot of heat when working for a long time. If they are not cooled, it is easy to cause wear inside the bearing and surface damage of the rolling elements or raceways. However, if the bearing surface is cooled directly by cold water, thermal shock damage to the material may be caused, and moisture may enter the bearing, causing rust and other damage. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides a power tool bearing cooling device.
[0005] The utility model is implemented by the following technical scheme: a power tool bearing cooling device, comprising a cooling box, a water pump is fixedly installed on the inner bottom wall of the cooling box by bolts, a cooling component is fixedly connected to the output end of the water pump, and first slide grooves are opened on the inner walls on both sides of the cooling box;
[0006] The cooling component includes a connecting water pipe, one end of the connecting water pipe is fixedly connected to the output end of the water pump, a support sleeve is provided on the outer surface of the connecting water pipe, the bottom of the support sleeve is fixedly connected to the inner bottom wall of the cooling box, the top of the connecting water pipe is fixedly connected to a nozzle pipe, both ends of the nozzle pipe are fixedly connected to the inner walls on both sides of the cooling box, and a plurality of high-pressure nozzles are fixedly connected to the outer surface of the nozzle pipe.
[0007] Through the above technical solution, personnel place the bearing that needs to be cooled on the surface of the heat conduction plate, which is made of metal, so as to absorb the heat on the outer surface of the bearing. Then, personnel start the water pump to pressurize the water flow inside the cooling box, and the water flow is sprayed around through the high-pressure nozzle on the outer surface of the nozzle pipe to cool the lower surface of the heat conduction plate, thereby indirectly cooling the bearing. A cooling fan is provided on the top, which can accelerate the air flow rate after starting, thereby assisting in cooling the outer surface of the bearing. The device absorbs the heat on the bearing surface through the heat conduction plate, and then cools the heat conduction plate, thereby achieving the effect of cooling the bearing, avoiding personnel directly cooling the outer surface of the bearing with cold water, and the problem that the sudden cooling of the bearing may cause thermal shock damage to the material, and avoiding the problem that moisture may enter the bearing and cause rust and other damage.
[0008] As a further improvement of the above solution, a first sliding block is slidably connected inside the first sliding groove, a heat conducting plate is fixedly connected to one side of the first sliding block, and the heat conducting plate is made of metal.
[0009] Through the above technical solution, the heat conducting plate is made of metal, so as to absorb the heat on the outer surface of the bearing. The heat conducting plate is installed through the first slider, which is convenient for personnel to disassemble the heat conducting plate and maintain the surface of the heat conducting plate.
[0010] As a further improvement of the above solution, the heat conducting plate is clamped to the upper surface of the cooling box via a first slider, and a filling pipe is fixedly connected to one side of the bottom of the cooling box.
[0011] Through the above technical solution, personnel can add cooling liquid to the inside of the cooling box through the filling pipe. The operation is simple and convenient, which makes it convenient for personnel to add liquid in time according to actual work needs.
[0012] As a further improvement of the above solution, a bearing body is provided on the upper surface of the heat conducting plate, and a positioning rod is fixedly connected to the upper surface of the cooling box.
[0013] Through the above technical solution, personnel place the bearing that needs to be cooled on the surface of the heat conduction plate. Since the heat conduction plate is made of metal, the heat on the outer surface of the bearing is absorbed.
[0014] As a further improvement of the above solution, there are four positioning rods, which are respectively fixedly connected to the four corners of the upper surface of the cooling box.
[0015] Through the above technical solution, the positioning rods are respectively fixed at the four corners of the upper surface of the cooling box, which improves the stability of the support for the bearing plate and avoids the problem of displacement and shaking of the bearing plate.
[0016] As a further improvement of the above solution, a bearing plate is provided on the outer surface of the positioning rod, a hexagonal bolt is threadedly connected to the top end of the positioning rod, and a groove is provided on the lower surface of the bearing plate.
[0017] Through the above technical solution, the setting of the groove makes it convenient for personnel to install the fan frame without taking up too much assembly space.
[0018] As a further improvement of the above solution, a fan frame is fixedly installed inside the groove by positioning bolts, and a heat dissipation fan is arranged inside the fan frame.
[0019] Through the above technical solution, the cooling fan can speed up the air flow rate after starting, thereby assisting in cooling the outer surface of the bearing. In combination with cooling water cooling, the two work simultaneously to improve the cooling efficiency of the bearing.
[0020] Compared with the prior art, the beneficial effects of the present invention are:
[0021] The utility model sets a cooling component, and personnel place the bearing to be cooled on the surface of the heat-conducting plate. The material of the heat-conducting plate is metal, so as to absorb the heat on the outer surface of the bearing. Then the personnel starts the water pump, and the water flows around through the high-pressure nozzle to cool the lower surface of the heat-conducting plate, thereby indirectly cooling the bearing. A cooling fan is set on the top, which can accelerate the air flow rate after starting, so as to assist in cooling the outer surface of the bearing, avoiding the problem that personnel directly cool the outer surface of the bearing with cold water, and the sudden cold of the bearing may cause thermal shock damage to the material. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0023] Figure 2 It is a structural schematic diagram of the first sliding block of the utility model;
[0024] Figure 3 This is a schematic diagram of the structure of the water pump of the utility model;
[0025] Figure 4 This is a schematic diagram of the structure of the heat dissipation fan of the utility model;
[0026] Figure 5 This is a schematic diagram of the structural disassembly of the cooling component of the utility model.
[0027] Description of main symbols:
[0028] Cooling box; 2. Water pump; 3. Cooling component; 301. Connecting water pipe; 302. Support sleeve; 303. Nozzle pipe; 304. High-pressure nozzle; 4. First slide groove; 5. First slide block; 6. Heat conduction plate; 7. Filling pipe; 8. Bearing body; 9. Positioning rod; 10. Loading plate; 11. Groove; 12. Fan frame; 13. Cooling fan. DETAILED DESCRIPTION
[0029] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment. Example
[0030] Please combine Figure 1-5 The present embodiment is a power tool bearing cooling device, comprising a power tool bearing cooling device, comprising a cooling box 1, a water pump 2 is fixedly installed on the inner bottom wall of the cooling box 1 by bolts, a cooling component 3 is fixedly connected to the output end of the water pump 2, and first slide grooves 4 are opened on the inner walls on both sides of the cooling box 1;
[0031] The cooling component 3 includes a connecting water pipe 301, one end of which is fixedly connected to the output end of the water pump 2, a supporting sleeve 302 is arranged on the outer surface of the connecting water pipe 301, the bottom of the supporting sleeve 302 is fixedly connected to the inner bottom wall of the cooling box 1, a nozzle pipe 303 is fixedly connected to the top of the connecting water pipe 301, both ends of the nozzle pipe 303 are fixedly connected to the inner walls on both sides of the cooling box 1, and a plurality of high-pressure nozzles 304 are fixedly connected to the outer surface of the nozzle pipe 303. The personnel place the bearing to be cooled on the surface of the heat conducting plate 6, which is made of metal, so as to absorb the heat from the outer surface of the bearing, and then the personnel cool the inside of the cooling box 1 by starting the water pump 2. The water flow is pressurized, and the water flow is sprayed around through the high-pressure nozzle 304 on the outer surface of the nozzle pipe 303, so as to cool the lower surface of the heat conduction plate 6, thereby indirectly cooling the bearing, and a cooling fan 13 is arranged on the top, which can accelerate the air flow rate after starting, so as to assist in cooling the outer surface of the bearing. The device absorbs the heat on the bearing surface through the heat conduction plate 6, and then cools the heat conduction plate 6, so as to achieve the effect of cooling the bearing, avoiding personnel directly cooling the outer surface of the bearing with cold water, and the problem that the sudden cold of the bearing may cause thermal shock damage to the material, and avoiding the problem that moisture may enter the inside of the bearing, causing rust and other damage.
[0032] The first slide groove 4 is internally slidably connected with a first slider 5, and one side of the first slider 5 is fixedly connected with a heat conducting plate 6, which is made of metal. The heat conducting plate 6 is made of metal, so as to absorb the heat from the outer surface of the bearing. The heat conducting plate 6 is installed through the first slider 5, which is convenient for personnel to disassemble the heat conducting plate 6 and maintain the surface of the heat conducting plate 6 later.
[0033] The heat conducting plate 6 is clamped on the upper surface of the cooling box 1 through the first slider 5. A filling pipe 7 is fixedly connected to one side of the bottom of the cooling box 1. Personnel can add cooling liquid to the inside of the cooling box 1 through the filling pipe 7. The operation is simple and convenient, which allows personnel to add cooling liquid in time according to actual work needs.
[0034] A bearing body 8 is provided on the upper surface of the heat conducting plate 6, and a positioning rod 9 is fixedly connected to the upper surface of the cooling box 1. Personnel place the bearing that needs to be cooled on the surface of the heat conducting plate 6. Since the heat conducting plate 6 is made of metal, the heat on the outer surface of the bearing is absorbed.
[0035] There are four positioning rods 9, which are fixedly connected to the four corners of the upper surface of the cooling box 1, respectively. The positioning rods 9 are fixed at the four corners of the upper surface of the cooling box 1, respectively, which improves the stability of the support for the supporting plate 10 and avoids the problem of displacement and shaking of the supporting plate 10.
[0036] A bearing plate 10 is arranged on the outer surface of the positioning rod 9, a hexagonal bolt is threadedly connected to the top of the positioning rod 9, and a groove 11 is arranged on the lower surface of the bearing plate 10. The arrangement of the groove 11 facilitates personnel to install the fan frame 12 without occupying too much assembly space.
[0037] A fan frame 12 is fixedly installed inside the groove 11 by positioning bolts, and a cooling fan 13 is arranged inside the fan frame 12. When the cooling fan 13 is started, the air flow rate can be accelerated, thereby assisting in cooling the outer surface of the bearing. In combination with cooling water cooling, the two work simultaneously to improve the cooling efficiency of the bearing.
[0038] The implementation principle of an electric tool bearing cooling device in the embodiment of the present application is as follows: personnel place the bearing that needs to be cooled on the surface of the heat conducting plate 6, which is made of metal, so as to absorb the heat on the outer surface of the bearing. Then, personnel start the water pump 2 to pressurize the water flow inside the cooling box 1, and the water flow is sprayed around through the high-pressure nozzle 304 on the outer surface of the nozzle pipe 303, so as to cool the lower surface of the heat conducting plate 6, thereby indirectly cooling the bearing. A cooling fan 13 is arranged on the top, which can accelerate the air flow rate after starting, so as to assist in cooling the outer surface of the bearing. The device absorbs the heat on the bearing surface through the heat conducting plate 6, and then cools the heat conducting plate 6, so as to achieve the effect of cooling the bearing, avoiding personnel directly cooling the outer surface of the bearing with cold water, and the problem that the bearing is suddenly cooled and may cause thermal shock damage to the material, and avoiding the problem that moisture may enter the inside of the bearing, causing rust and other damage.
[0039] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.
Claims
1. A power tool bearing cooling device, characterized in that: It comprises a cooling box (1), a water pump (2) being fixedly mounted on the inner bottom wall of the cooling box (1) by means of bolts, a cooling component (3) being fixedly connected to the output end of the water pump (2), and first sliding grooves (4) being provided on the inner walls on both sides of the cooling box (1); The cooling component (3) comprises a connecting water pipe (301), one end of the connecting water pipe (301) is fixedly connected to the output end of the water pump (2), a support sleeve (302) is provided on the outer surface of the connecting water pipe (301), the bottom of the support sleeve (302) is fixedly connected to the inner bottom wall of the cooling box (1), the top of the connecting water pipe (301) is fixedly connected to a nozzle pipe (303), both ends of the nozzle pipe (303) are fixedly connected to the inner walls of both sides of the cooling box (1), and the outer surface of the nozzle pipe (303) is fixedly connected to a plurality of high-pressure nozzles (304).
2. The electric tool bearing cooling device according to claim 1, characterized in that: A first sliding block (5) is slidably connected inside the first sliding groove (4), and a heat conducting plate (6) is fixedly connected to one side of the first sliding block (5), wherein the heat conducting plate (6) is made of metal.
3. The electric tool bearing cooling device according to claim 2, characterized in that: The heat conduction plate (6) is clamped to the upper surface of the cooling box (1) via a first slider (5), and a filling pipe (7) is fixedly connected to one side of the bottom of the cooling box (1).
4. The electric tool bearing cooling device according to claim 2, characterized in that: A bearing body (8) is provided on the upper surface of the heat conducting plate (6), and a positioning rod (9) is fixedly connected to the upper surface of the cooling box (1).
5. The electric tool bearing cooling device according to claim 4, characterized in that: There are four positioning rods (9), which are respectively fixedly connected to the four corners of the upper surface of the cooling box (1).
6. The electric tool bearing cooling device according to claim 4, characterized in that: A bearing plate (10) is provided on the outer surface of the positioning rod (9), a hexagonal bolt is threadedly connected to the top end of the positioning rod (9), and a groove (11) is provided on the lower surface of the bearing plate (10).
7. A power tool bearing cooling device as claimed in claim 6, characterized in that: A fan frame (12) is fixedly mounted inside the groove (11) via positioning bolts, and a heat dissipation fan (13) is arranged inside the fan frame (12).