An external lubrication device for a double-row angular contact ball bearing in a water pump.

Abstract

This invention provides an external lubrication device for a double-row angular contact ball bearing in a water pump, relating to the field of bearing lubrication technology. It includes: a handle; one end of a power drive mechanism connected to the handle; the top of a rotary push assembly connected to the power drive mechanism; one end of a lubricating oil carrying mechanism fixedly connected to the handle; an oil outlet distance control assembly installed inside the lubricating oil carrying mechanism; and one end of an oil outlet device fixedly connected to the lubricating oil carrying mechanism. This invention solves the problems of poor uniformity, low efficiency, and the need for frequent rotation of the bearing's outer side, making the application process cumbersome with traditional bearing applicators. This invention can control the bearing to rotate automatically, saving time and effort. Simultaneously, the oil outlet assembly provides uniform oil dispensing, ensuring even application. Furthermore, the extension distance of the oil outlet can be adjusted according to bearings of different diameters, enabling lubrication of bearings in various mounting configurations, making it highly practical.

Description

Technical Field

[0001] This invention relates to the field of bearing lubrication technology, and in particular to an external lubrication device for a double-row angular contact ball bearing for a water pump. Background Technology

[0002] Water pumps are mainly used to transport liquids including water, oil, acid and alkali solutions, emulsions, etc. For convenient transportation, water pumps need to be immersed in liquids such as water, oil, acid and alkali solutions for a long time. The double-row angular contact ball bearings used inside the water pump are prone to corrosion. Therefore, the bearings need to be lubricated to improve the service life of the water pump. Traditional bearing lubrication is mainly done by applying a grease gun. However, the grease gun has poor uniformity, low efficiency, and is time-consuming and labor-intensive. In addition, when applying the lubricant, the operator needs to frequently rotate the outside of the bearing to help the lubricant enter the bearing. The application process is cumbersome and inefficient. Summary of the Invention

[0003] In view of this, the present invention provides an external lubrication device for a double-row angular contact ball bearing of a water pump, which has a power drive mechanism and a rotation push assembly. The bearing can rotate automatically, eliminating the need for frequent manual rotation, thus saving time and effort. The lubricating oil carrying mechanism includes an electric heating plate that can heat the lubricating oil as needed, improving its fluidity and facilitating application. An oil outlet device and an oil outlet distance control assembly ensure even oil distribution as the bearing rotates, and the outlet distance can be adjusted according to bearings of different diameters, making it highly practical. A bearing mounting mechanism allows for lubrication of bearings in various mounting configurations.

[0004] This invention provides an external lubrication device for a double-row angular contact ball bearing for a water pump, specifically including: a handle, a power drive mechanism, a rotary push assembly, a bearing mounting mechanism, a lubricating oil carrying mechanism, an oil outlet distance control assembly, and an oil outlet device;

[0005] The grip bar is a rectangular parallelepiped structure; one end of the power drive mechanism is connected to the grip bar; the top of the rotary push assembly is connected to the power drive mechanism; the top of the bearing mounting mechanism is fixedly connected to the rotary push assembly; one end of the lubricating oil carrying mechanism is fixedly connected to the grip bar, and the top end of the power drive mechanism is slidably inserted into the lubricating oil carrying mechanism; the oil outlet distance control assembly is installed inside the lubricating oil carrying mechanism; one end of the oil outlet device is fixedly connected to the lubricating oil carrying mechanism, and the oil outlet device is connected to the oil outlet distance control assembly.

[0006] Optionally, the power drive mechanism includes: a bottom support plate, a fixed box, and a lead screw; one end of the bottom support plate is fixedly connected to the handle; the fixed box is a hollow T-shaped structure, and the bottom of the fixed box is fixedly connected to the bottom support plate; one end of the lead screw is rotatably inserted into the fixed box, and a bevel gear is provided at one end of the lead screw.

[0007] Optionally, the power drive mechanism further includes: a drive plate, a motor housing, and a push rod; the drive plate is generally T-shaped and is slidably installed inside the fixed housing, with the middle part of the drive plate threadedly connected to a lead screw, and the rotation of the lead screw can control the lateral sliding of the drive plate; a motor is installed inside the motor housing, and the motor housing is fixedly installed inside the grip, with one end of the lead screw connected to the motor inside the motor housing; the push rod is generally U-shaped, with one bottom end of the push rod sliding through the grip and inserted into the fixed housing and fixedly connected to the drive plate, and the drive plate can control the sliding of the push rod.

[0008] Optionally, the rotary pushing assembly includes: a support rod, a rotating rod, and a friction pushing wheel; the top of the support rod is fixedly connected to the bottom support plate; the bottom of the rotating rod is rotatably connected to the support rod, and the top of the rotating rod is rotatably inserted into the fixed box, and the top of the rotating rod is rotatably connected to the lead screw through a bevel gear; the friction pushing wheel is fixedly installed on the surface of the rotating rod, and the surface of the friction pushing wheel is provided with friction texture to improve friction. The friction pushing wheel contacts the bearing and can play a role in assisting in pushing the bearing to rotate.

[0009] Optionally, the bearing mounting mechanism includes: a limiting support plate, a pull plate, a plug-in support plate, and an inner support rod; the limiting support plate is an elongated body structure with a sliding groove in the middle, and the surface of the limiting support plate is fixedly connected to the support rod; the surface of the pull plate is slidably connected to the limiting support plate; the top of the plug-in support plate is rotatably connected to the pull plate through a rotating shaft, and the plug-in support plate can slide into the limiting support plate to support the bearing; the inner support rod is fixedly installed on the surface of the plug-in support plate, and the inner support rod can assist in supporting the shaft side.

[0010] Optionally, the lubricating oil carrying mechanism includes: an outer casing, a carrying oil tank, an electric heating plate, a squeezing plate, an oil inlet hopper, a fixing plate, a stopper rod A, and an oil delivery hose; the outer casing is an overall hollow elongated structure, with one end of the outer casing fixedly connected to a handle; the carrying oil tank is fixedly installed inside the outer casing, and the top end of the push rod slides through the outer casing and inserts into the carrying oil tank; the electric heating plate is fixedly installed inside the outer casing, and the electric heating plate can heat the lubricating oil inside the carrying oil tank; the squeezing plate is slidably installed inside the carrying oil tank, and the surface of the squeezing plate is fixedly connected to the push rod, and the squeezing plate can promote the flow of lubricating oil inside the carrying oil tank; the bottom of the oil inlet hopper is fixedly connected to the carrying oil tank; a threaded hole is opened in the middle of the fixing plate, and the left and right ends of the fixing plate are fixedly connected to the oil inlet hopper; the surface of the stopper rod A is threaded, and a rubber stopper plate is provided at the bottom of the stopper rod A; the stopper rod A is rotated and inserted into the threaded hole of the fixing plate, and the bottom of the stopper rod A is inserted into the oil inlet hopper, which can seal the oil inlet of the oil hopper; one end of the oil delivery hose is fixedly connected to the carrying oil tank.

[0011] Optionally, the oil outlet distance control component includes: a limit rod, a control screw, and a push plate; the limit rod is fixedly installed inside the outer casing; the control screw has threads on its surface, and one end of the control screw is rotated and inserted into the outer casing, and the rotation of the control screw can control the extension and retraction of the oil outlet device; one end of the push plate is threadedly connected to the control screw, and the other end of the push plate is slidably connected to the control screw.

[0012] Optionally, the oil dispensing device includes: an oil conveying plate, an oil outlet assembly, a base plate, a connecting plate, and a coating brush; one end of the oil conveying plate is fixedly connected to the push plate; the top of the oil outlet assembly is fixedly connected to the oil conveying plate; the base plate is generally a cuboid structure, with an inclined surface at one end and a square groove in the middle, and the bottom of the base plate is fixedly connected to the outer casing; the connecting plate is generally an L-shaped structure, with one end fixedly connected to the oil conveying plate; the top of the coating brush is fixedly connected to the connecting plate, and the coating brush can spread the lubricating oil evenly.

[0013] Optionally, the oil outlet assembly further includes: a top pipe, a fixing frame, a lifting slide pipe, and a stopper rod B; the top of the top pipe is fixedly connected to the oil delivery plate; the fixing frame is fixedly installed inside the top pipe, and a spring is provided at the bottom of the fixing frame; the top of the lifting slide pipe is slidably inserted into the top pipe, and the bottom of the lifting slide pipe is in contact with the base plate; the top of the stopper rod B is fixedly connected to the fixing frame, and the stopper rod B can block the oil outlet of the lifting slide pipe. Beneficial effects

[0014] The present invention is equipped with a power drive mechanism and a rotary push assembly. The rotary push assembly is equipped with a friction push wheel inside. The friction push wheel contacts the outside of the bearing, and the bearing will rotate at a constant speed under force. This can effectively improve the application efficiency of lubricating oil and eliminate the need for frequent manual rotation of the bearing, saving time and effort.

[0015] The invention also includes a lubricating oil carrying mechanism, which carries the lubricating oil and has an electric heating plate inside, which can heat the lubricating oil as needed to improve its fluidity and facilitate application.

[0016] The invention also includes an oil outlet device and an oil outlet distance control component. The oil outlet device contains multiple sets of oil outlet components and a coating brush. As the bearing rotates, the oil outlet components work together to evenly distribute oil, which can effectively improve the coating efficiency of the lubricating oil and achieve a good coating effect. At the same time, the operator can control the extension distance of the oil outlet components according to the diameter of the bearing through the oil outlet distance control component, which can apply lubricating oil to bearings of various diameters, thus improving the practicality of the device.

[0017] The invention also includes a bearing mounting mechanism, which can be assembled as needed. When the plug-in support plate is in a parallel state, it can provide auxiliary support for the uninstalled bearing, making it convenient to apply lubricant to the separately installed bearing. When the plug-in support plate is in a vertical state, it is convenient for workers to apply lubricant to the bearing installed on the water pump. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments will be briefly described below.

[0019] The accompanying drawings described below are only related to some embodiments of the invention and are not intended to limit the invention.

[0020] In the attached diagram:

[0021] Figure 1 A schematic diagram of the main body of the present invention is shown in the axial side view.

[0022] Figure 2 A cross-sectional structural schematic diagram of the main body of the present invention is shown;

[0023] Figure 3 A schematic diagram of the front view of the main body of the present invention is shown;

[0024] Figure 4 A cross-sectional structural schematic diagram of the power drive mechanism of the present invention is shown;

[0025] Figure 5 A schematic structural diagram of the rotary drive assembly of the present invention is shown from an axial side view.

[0026] Figure 6 A cross-sectional structural schematic diagram of the lubricating oil carrying mechanism of the present invention is shown;

[0027] Figure 7 A schematic diagram of the oil outlet distance control component of the present invention is shown in the axial side view.

[0028] Figure 8 A schematic diagram of the oil outlet device of the present invention is shown in axial side view.

[0029] Figure 9 A cross-sectional structural schematic diagram of the oil outlet assembly of the present invention is shown.

[0030] List of reference numerals

[0031] 1. Grip bar; 2. Power drive mechanism; 201. Bottom support plate; 202. Fixing box; 203. Lead screw; 204. Drive plate; 205. Motor box; 206. Push rod; 3. Rotary push assembly; 301. Support rod; 302. Rotating rod; 303. Friction drive wheel; 4. Bearing mounting mechanism; 401. Limiting support plate; 402. Pull plate; 403. Inserted support plate; 404. Inner support rod; 5. Lubricating oil carrying mechanism; 501. Outer box; 502. Carrying oil tank; 503. 504. Electric heating plate; 505. Extrusion plate; 506. Oil inlet hopper; 507. Fixing plate; 508. Plug rod A; 509. Oil delivery hose; 6000. Oil outlet distance control assembly; 601. Limiting rod; 602. Control screw; 603. Push plate; 7000. Oil outlet device; 701. Oil delivery plate; 702. Oil outlet assembly; 7021. Top pipe; 7022. Fixing frame; 7023. Lifting slide pipe; 7024. Plug rod B; 703. Base plate; 704. Connecting plate; 705. Coating brush. Detailed Implementation

[0032] The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples.

[0033] Example: Please refer to Figures 1 to 9 :

[0034] This invention proposes an external lubrication device for a double-row angular contact ball bearing for a water pump, comprising: a handle 1, a power drive mechanism 2, a rotary push assembly 3, a bearing mounting mechanism 4, a lubricating oil carrying mechanism 5, an oil outlet distance control assembly 6, and an oil outlet device 7;

[0035] The grip 1 is a rectangular parallelepiped structure; one end of the power drive mechanism 2 is connected to the grip 1; the top of the rotary push assembly 3 is connected to the power drive mechanism 2; the top of the bearing mounting mechanism 4 is fixedly connected to the rotary push assembly 3; one end of the lubricating oil carrying mechanism 5 is fixedly connected to the grip 1, and the top end of the power drive mechanism 2 is slidably inserted into the lubricating oil carrying mechanism 5; the oil outlet distance control assembly 6 is installed inside the lubricating oil carrying mechanism 5; one end of the oil outlet device 7 is fixedly connected to the lubricating oil carrying mechanism 5, and the oil outlet device 7 is connected to the oil outlet distance control assembly 6.

[0036] like Figure 4 As shown, the power drive mechanism 2 includes: a bottom support plate 201, a fixed box 202, and a lead screw 203; one end of the bottom support plate 201 is fixedly connected to the handle 1; the fixed box 202 is a hollow T-shaped structure, and the bottom of the fixed box 202 is fixedly connected to the bottom support plate 201; one end of the lead screw 203 is rotatably inserted into the fixed box 202, and a bevel gear is provided at one end of the lead screw 203.

[0037] like Figure 4As shown, the power drive mechanism 2 also includes: a drive plate 204, a motor housing 205, and a push rod 206; the drive plate 204 has an overall T-shaped structure and is slidably installed inside the fixed housing 202. The middle part of the drive plate 204 is threadedly connected to the lead screw 203, and the rotation of the lead screw 203 can control the lateral sliding of the drive plate 204; a motor is installed inside the motor housing 205, and the motor housing 205 is fixedly installed inside the handle 1. One end of the lead screw 203 is connected to the motor inside the motor housing 205; the push rod 206 has an overall U-shaped structure, and one bottom end of the push rod 206 slides through the handle 1 and inserts into the fixed housing 202 and is fixedly connected to the drive plate 204. The drive plate 204 can control the sliding of the push rod 206.

[0038] like Figure 5 As shown, the rotary push assembly 3 includes: a support rod 301, a rotating rod 302, and a friction push wheel 303; the top of the support rod 301 is fixedly connected to the bottom support plate 201; the bottom of the rotating rod 302 is rotatably connected to the support rod 301, and the top of the rotating rod 302 is rotatably inserted into the fixed box 202, and the top of the rotating rod 302 is rotatably connected to the lead screw 203 through a bevel gear; the friction push wheel 303 is fixedly installed on the surface of the rotating rod 302, and the surface of the friction push wheel 303 is provided with friction texture to improve friction. The friction push wheel 303 contacts the bearing and can play a role in assisting the rotation of the bearing.

[0039] like Figure 5 As shown, the bearing mounting mechanism 4 includes: a limiting support plate 401, a pull plate 402, an insert support plate 403, and an inner support rod 404; the limiting support plate 401 is an elongated body structure with a sliding groove in the middle, and the surface of the limiting support plate 401 is fixedly connected to the support rod 301; the surface of the pull plate 402 is slidably connected to the limiting support plate 401; the top of the insert support plate 403 is rotatably connected to the pull plate 402 through a rotating shaft, and the insert support plate 403 can slide into the limiting support plate 401 to support the bearing; the inner support rod 404 is fixedly installed on the surface of the insert support plate 403, and the inner support rod 404 can play an auxiliary supporting role on the shaft side.

[0040] like Figure 6As shown, the lubricating oil carrying mechanism 5 includes: an outer casing 501, a carrying oil tank 502, an electric heating plate 503, a pressing plate 504, an oil inlet 505, a fixing plate 506, a plug rod A 507, and an oil delivery hose 508; the outer casing 501 is a hollow elongated structure, and one end of the outer casing 501 is fixedly connected to the handle 1; the carrying oil tank 502 is fixedly installed inside the outer casing 501, and one end of the push rod 206 slides through the outer casing 501 and inserts into the carrying oil tank 502; the electric heating plate 503 is fixedly installed inside the outer casing 501, and the electric heating plate 503 can heat the lubricating oil inside the carrying oil tank 502; the pressing plate 504 is slidably installed in the carrying oil tank 502. 2. Inside, the surface of the extrusion plate 504 is fixedly connected to the push rod 206, and the extrusion plate 504 can promote the flow of lubricating oil inside the bearing oil tank 502; the bottom of the oil inlet hopper 505 is fixedly connected to the bearing oil tank 502; the middle of the fixing plate 506 is provided with a threaded hole, and the left and right ends of the fixing plate 506 are fixedly connected to the oil inlet hopper 505; the surface of the plug rod A507 is provided with a thread, and the bottom of the plug rod A507 is provided with a rubber plug plate. The plug rod A507 is rotated and inserted into the threaded hole of the fixing plate 506, and the bottom of the plug rod A507 is inserted into the oil inlet hopper 505, which can block the oil port of the oil inlet hopper 505; one end of the oil delivery hose 508 is fixedly connected to the bearing oil tank 502.

[0041] like Figure 7 As shown, the oil outlet distance control assembly 6 includes: a limit rod 601, a control screw 602, and a push plate 603; the limit rod 601 is fixedly installed inside the outer casing 501; the control screw 602 has threads on its surface, and one end of the control screw 602 is rotatably inserted into the outer casing 501, and the rotation of the control screw 602 can control the extension and retraction of the oil outlet device 7; one end of the push plate 603 is threadedly connected to the control screw 602, and the other end of the push plate 603 is slidably connected to the control screw 602.

[0042] like Figure 8 As shown, the oil dispensing device 7 includes: an oil conveying plate 701, an oil outlet assembly 702, a base plate 703, a connecting plate 704, and a coating brush 705; one end of the oil conveying plate 701 is fixedly connected to the push plate 603; the top of the oil outlet assembly 702 is fixedly connected to the oil conveying plate 701; the base plate 703 is generally a cuboid structure, with a sloping surface at one end and a square groove in the middle, and the bottom of the base plate 703 is fixedly connected to the outer casing 501; the connecting plate 704 is generally an L-shaped structure, with one end fixedly connected to the oil conveying plate 701; the top of the coating brush 705 is fixedly connected to the connecting plate 704, and the coating brush 705 can spread the lubricating oil evenly.

[0043] like Figure 9As shown, the oil outlet assembly 702 also includes: a top pipe 7021, a fixing frame 7022, a lifting slide pipe 7023, and a stopper rod B7024; the top of the top pipe 7021 is fixedly connected to the oil delivery plate 701; the fixing frame 7022 is fixedly installed inside the top pipe 7021, and a spring is provided at the bottom of the fixing frame 7022; the top of the lifting slide pipe 7023 is slidably inserted into the top pipe 7021, and the bottom of the lifting slide pipe 7023 is in contact with the base plate 703; the top of the stopper rod B7024 is fixedly connected to the fixing frame 7022, and the stopper rod B7024 can block the oil outlet of the lifting slide pipe 7023.

[0044] The specific usage and function of this embodiment: When applying lubricating oil to the double-row angular contact ball bearing installed on the water pump, the lubricating oil is added into the bearing oil tank 502 through the oil inlet 505. The operator first needs to rotate the control screw 602 according to the bearing diameter. The threads on the surface of the control screw 602 will push the push plate 603 to slide. The push plate 603 can further control the oil outlet device 7 to slide outwards. During the sliding process of the oil outlet assembly 702, the bottom of part of the lifting slide tube 7023 inside the oil outlet assembly 702 will contact the base plate 703, raising... When the sliding tube 7023 is in the retracted state, the stopper rod B7024 is positioned at the oil outlet of the sliding tube 7023, effectively sealing the oil outlet. After adjustment, the operator can bring the friction push wheel 303 into contact with the outer surface of the bearing. With the multiple oil outlet assemblies 702 positioned above the bearing, the operator can start the motor inside the motor housing 205. The motor inside the motor housing 205 controls the rotation of the lead screw 203. During rotation, the lead screw 203 controls the sliding of the drive plate 204. During sliding, the drive plate 204 controls the push rod 206 to push. The sliding extrusion plate 504 pushes the lubricating oil inside the bearing oil tank 502 to flow. Since the bearing oil tank 502 is equipped with an electric heating plate 503 at the bottom, the heating effectively improves the flow of the lubricating oil. Under the influence of the thrust, the lubricating oil inside the bearing oil tank 502 enters the oil delivery plate 701 through the oil delivery hose 508. The lubricating oil flows evenly to the bearing surface from the bottom of the oil outlet assembly 702. Simultaneously, the coating brush 705 assists in coating, improving the evenness of the lubricating oil application. During the lubricating oil extrusion process, the lead screw 20... 3. One end controls the rotation rod 302 to rotate simultaneously via a bevel gear. The rotation rod 302 drives the friction drive wheel 303, which in turn controls the overall rotation of the bearing. The rotating bearing facilitates the even application of lubricating oil, resulting in high application efficiency and good effect. When the bearing is not connected to the water pump, the operator can pull the plug-in support plate 403 and keep it parallel to the limit support plate 401. The plug-in support plate 403 is inserted into the limit support plate 401, and then the bearing is placed on the surface of the plug-in support plate 403 and the inner support rod 404 to continue applying bearing lubricating oil.

[0045] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the scope of protection of the present invention, which is determined by the appended claims.

Claims

1. An external lubrication device for a double-row angular contact ball bearing of a water pump, characterized in that, include: The components include: a handle (1), a power drive mechanism (2), a rotary push assembly (3), a bearing mounting mechanism (4), a lubricating oil carrying mechanism (5), an oil outlet distance control assembly (6), and an oil outlet device (7). The grip (1) is a rectangular parallelepiped; one end of the power drive mechanism (2) is connected to the grip (1); the top of the rotary push assembly (3) is connected to the power drive mechanism (2); the top of the bearing mounting mechanism (4) is fixedly connected to the rotary push assembly (3); one end of the lubricating oil carrying mechanism (5) is fixedly connected to the grip (1), and the top end of the power drive mechanism (2) is slidably inserted into the lubricating oil carrying mechanism (5); the oil outlet distance control assembly (6) is installed inside the lubricating oil carrying mechanism (5); one end of the oil outlet device (7) is connected to the lubricating oil. The bearing mechanism (5) is fixedly connected, and the oil outlet device (7) is connected to the oil outlet distance control component (6); the oil outlet distance control component (6) includes: a limit rod (601), a control screw (602) and a push plate (603); the limit rod (601) is fixedly installed inside the outer box (501); the surface of the control screw (602) is threaded, and one end of the control screw (602) is rotated and inserted into the outer box (501); one end of the push plate (603) is threadedly connected to the control screw (602), and the other end of the push plate (603) is slidably connected to the control screw (602).

2. The external lubrication device for a double-row angular contact ball bearing of a water pump according to claim 1, characterized in that: The power drive mechanism (2) includes: a bottom support plate (201), a fixed box (202), and a lead screw (203); one end of the bottom support plate (201) is fixedly connected to the handle (1); the bottom of the fixed box (202) is fixedly connected to the bottom support plate (201); one end of the lead screw (203) is rotatably inserted into the fixed box (202), and a bevel gear is provided at one end of the lead screw (203).

3. The external lubrication device for a double-row angular contact ball bearing of a water pump according to claim 2, characterized in that: The power drive mechanism (2) further includes: a drive plate (204), a motor housing (205), and a push rod (206); the drive plate (204) is T-shaped in general, and the drive plate (204) is slidably installed inside the fixed box (202), and the middle part of the drive plate (204) is threadedly connected to the lead screw (203); a motor is installed inside the motor housing (205), and the motor housing (205) is fixedly installed inside the grip (1), and one end of the lead screw (203) is connected to the motor inside the motor housing (205); one end of the push rod (206) slides through the grip (1) and is inserted into the fixed box (202) and is fixedly connected to the drive plate (204).

4. The external lubrication device for a double-row angular contact ball bearing of a water pump according to claim 2, characterized in that: The rotary push assembly (3) includes: a support rod (301), a rotating rod (302), and a friction push wheel (303); the top of the support rod (301) is fixedly connected to the bottom support plate (201); the bottom of the rotating rod (302) is rotatably connected to the support rod (301), the top of the rotating rod (302) is rotatably inserted into the fixed box (202), and the top of the rotating rod (302) is rotatably connected to the lead screw (203) through a bevel gear; the friction push wheel (303) is fixedly installed on the surface of the rotating rod (302), and the surface of the friction push wheel (303) is provided with friction patterns to improve friction.

5. The external lubrication device for a double-row angular contact ball bearing of a water pump according to claim 4, characterized in that: The bearing mounting mechanism (4) includes: a limiting support plate (401), a pull plate (402), a plug-in support plate (403), and an inner support rod (404); the limiting support plate (401) is a long body structure with a sliding groove in the middle, and the surface of the limiting support plate (401) is fixedly connected to the support rod (301); the surface of the pull plate (402) is slidably connected to the limiting support plate (401); the top of the plug-in support plate (403) is rotatably connected to the pull plate (402) through a rotating shaft; the inner support rod (404) is fixedly installed on the surface of the plug-in support plate (403).

6. The external lubrication device for a double-row angular contact ball bearing of a water pump according to claim 3, characterized in that: The lubricating oil carrying mechanism (5) includes: an outer casing (501), a carrying oil tank (502), an electric heating plate (503), a squeezing plate (504), an oil inlet hopper (505), a fixing plate (506), a stopper rod A (507), and an oil delivery hose (508); the outer casing (501) is a hollow elongated body structure, and one end of the outer casing (501) is fixedly connected to the handle (1); the carrying oil tank (502) is fixedly installed inside the outer casing (501), and one end of the push rod (206) slides through the outer casing (501) and inserts into the carrying oil tank (502); the electric heating plate (503) is fixedly installed inside the outer casing (501). 01) Inside; the extrusion plate (504) is slidably installed inside the bearing oil tank (502), and the surface of the extrusion plate (504) is fixedly connected to the push rod (206); the bottom of the oil inlet hopper (505) is fixedly connected to the bearing oil tank (502); the middle of the fixed plate (506) is provided with a threaded hole, and the left and right ends of the fixed plate (506) are fixedly connected to the oil inlet hopper (505); the surface of the plug rod A (507) is provided with a thread, and the bottom of the plug rod A (507) is provided with a rubber plug plate, and the plug rod A (507) is rotated and inserted into the threaded hole of the fixed plate (506); one end of the oil delivery hose (508) is fixedly connected to the bearing oil tank (502).

7. The external lubrication device for a double-row angular contact ball bearing of a water pump according to claim 6, characterized in that: The oil dispensing device (7) includes: an oil conveying plate (701), an oil outlet assembly (702), a base plate (703), a connecting plate (704), and a brush (705); one end of the oil conveying plate (701) is fixedly connected to the push plate (603); the top of the oil outlet assembly (702) is fixedly connected to the oil conveying plate (701); one end of the base plate (703) has an inclined surface, a square groove is opened in the middle of the base plate (703), and the bottom of the base plate (703) is fixedly connected to the outer box (501); the connecting plate (704) is an L-shaped structure, and one end of the connecting plate (704) is fixedly connected to the oil conveying plate (701); the top of the brush (705) is fixedly connected to the connecting plate (704).

8. The external lubrication device for a double-row angular contact ball bearing of a water pump according to claim 7, characterized in that: The oil outlet assembly (702) further includes: a top pipe (7021), a fixing frame (7022), a lifting slide pipe (7023), and a stopper rod B (7024); the top of the top pipe (7021) is fixedly connected to the oil delivery plate (701); the fixing frame (7022) is fixedly installed inside the top pipe (7021), and a spring is provided at the bottom of the fixing frame (7022); the top of the lifting slide pipe (7023) is slidably inserted into the top pipe (7021), and the bottom of the lifting slide pipe (7023) is in contact with the base plate (703); the top of the stopper rod B (7024) is fixedly connected to the fixing frame (7022).

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