CN218062554U

CN218062554U - Reciprocating swash plate plunger cleaning machine pump with oil leakage prevention and improved structure and motor thereof

Info

Publication number: CN218062554U
Application number: CN202221697088.3U
Authority: CN
Inventors: 谭远
Original assignee: Shanghai Yili Electric Co ltd
Current assignee: Shanghai Yili Electric Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-12-16
Anticipated expiration: 2032-07-01

Abstract

The utility model provides a reciprocating type sloping cam plate plunger cleaning machine pump and motor of structure are improved to cleaning machine motor pump technical field a leak protection oil, including high-pressure pump subassembly, hydro-cylinder gear box subassembly and motor element, hydro-cylinder gear box unit mount sets up inside high-pressure pump subassembly, and motor element connects and sets up at the high-pressure pump subassembly lower extreme. The utility model discloses a set up oil blanket lip one and oil blanket lip two, the double seal of two oil blanket can effectively prevent high temperature lithium base fat from the motor output end outflow, has solved the cleaning machine pump in the use because of the life-span loss problem of hydro-cylinder gear box department oil leak to ensure user's personal safety, the change is less, and is practical convenient, does benefit to the popularization.

Description

Reciprocating swash plate plunger cleaning machine pump with oil leakage prevention and improved structure and motor thereof

Technical Field

The utility model relates to a cleaning machine motor pump technical field specifically relates to a reciprocating type sloping cam plate plunger cleaning machine pump and motor of structure are improved to leak protection oil.

Background

On the hydro-cylinder reduction gear in the cleaning machine motor pump structure of common use on the market at present, there is certain potential safety hazard in the relevant grease seal part: 1. the high-temperature lithium-based grease in the oil cylinder is subjected to the high-speed centrifugal action of a motor rotor assembly; 2. the high temperature caused by the running-in of the big gear and the small gear can cause the internal pressure of the oil cylinder gear set to be higher than the external pressure of the oil cylinder. The two aforementioned problems may eventually lead to the throwing out of high-temperature lithium-based grease at the gear assembly, which may cause high risk problems in both mechanical and electrical aspects:

(1) Lubrication and cooling of grease cannot be obtained at the running-in position of the gear, and the friction force of the large gear and the small gear is possibly increased, so that the abrasion of the gear is aggravated, and the noise is increased; the heat generated by the abrasion is conducted to a bearing in the large gear transmission assembly and an output bearing of the motor rotor assembly, and the service life is excessively lost due to overheating.

(2) High-temperature lithium-based grease at the gear transmission assembly can flow out through the edge of a bearing chamber of the motor lower support assembly or the center position of an output bearing of the motor rotor assembly, the thrown grease can be attached to the upper surfaces of the wire bracts of the motor rotor assembly and the motor stator assembly, and a motor insulating layer can be punctured due to carbon powder generated in the running-in process.

Both mechanical and electrical risk problems result in a significant reduction in the useful life of the motor pump of the washer.

Through prior art retrieval discovery, chinese utility model patent publication number is CN210660460U, discloses a single plunger cleaning machine pump, including the pump body and install the pump cover on the pump body, have the water circulation route in the pump cover, be equipped with into water check valve and play water check valve in the water circulation route, be equipped with the change gear mechanism who is connected with power part in the pump body, be equipped with in the pump body and be connected with change gear mechanism and be circular motion's cam, the radial below of cam is equipped with the plunger that reciprocates in the pump body, and cam circular motion pushes down the plunger and makes the plunger downstream, be equipped with the elastic component between plunger and the pump cover, the plunger that the elastic component promoted to push down upwards resets. The utility model discloses a just there is above-mentioned problem, like the problem that the gear incasement grease was revealed and is thrown away on the pump.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model aims at providing a reciprocating type sloping cam plate plunger cleaning machine pump and motor that structure was improved to leak protection oil.

According to the utility model provides a pair of reciprocating type sloping cam plate plunger cleaning machine pump of structure is improved to leak protection oil, including high-pressure pump subassembly, hydro-cylinder gear box subassembly and motor element, hydro-cylinder gear box unit mount sets up inside the high-pressure pump subassembly, just motor element connects the setting and is in high-pressure pump subassembly lower extreme.

In some embodiments, the high pressure pump assembly includes a pump cover assembly and a pump body assembly, and the pump cover assembly is mounted on the pump body assembly.

In some embodiments, the cylinder gearbox assembly comprises a swash plate, a cylinder, a gearwheel transmission assembly and a pinion, wherein a plane thrust bearing is arranged on the swash plate, the gearwheel transmission assembly and the pinion are arranged inside the cylinder, and the gearwheel transmission assembly and the pinion are meshed.

In some embodiments, the motor assembly includes a motor lower bracket assembly, a motor rotor assembly, and a motor stator assembly, the motor lower bracket assembly is installed at a lower end of the pump body assembly, and the motor rotor assembly and the motor stator assembly are arranged in parallel.

In some embodiments, the motor assembly further includes a motor upper bracket assembly, a motor blade, and a motor fan housing, the motor upper bracket assembly is installed at the lower ends of the motor rotor assembly and the motor stator assembly, the lower end of the motor upper bracket assembly is installed at the motor blade, and the motor upper bracket assembly and the motor blade are installed inside the motor fan housing.

In some embodiments, a large oil seal of the oil cylinder is installed between the oil cylinder and the large gear transmission component.

In some embodiments, a sealing ring is installed between the oil cylinder and the motor lower bracket assembly.

In some embodiments, the motor assembly further comprises a motor output bearing, and a Y-shaped oil seal is installed between the motor lower support assembly and the motor output bearing.

The motor is applied to the reciprocating swash plate plunger cleaning machine pump with the oil leakage prevention and improvement structure.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a set up oil blanket lip one and oil blanket lip two, the double seal of two oil blanket can effectively prevent high temperature lithium base fat from the motor output end outflow, has solved the cleaning machine pump in the use because of the life-span loss problem of hydro-cylinder gear box department oil leak to ensure user's personal safety, the change is less, and is practical convenient, does benefit to the popularization.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a reciprocating swash plate plunger cleaning machine pump of the oil leakage prevention improved structure of the present invention;

FIG. 2 is a partial enlarged view of a reciprocating swash plate plunger cleaning machine pump with an improved structure for preventing oil leakage of the present invention before improvement of a gearbox;

FIG. 3 is a partial enlarged view of the reciprocating swash plate plunger cleaning machine pump with improved gear box of the oil leakage prevention improved structure of the present invention;

figure 4 is the utility model discloses motor output oil blanket department local enlargements on reciprocating type sloping cam plate plunger cleaning machine pump of structure is improved to leak protection oil.

Reference numerals are as follows:

Detailed Description

The present invention will be described in detail with reference to specific embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

Fig. 1 shows a schematic structural diagram of a reciprocating swash plate plunger cleaning machine pump with an oil leakage prevention and improved structure according to the present invention. As shown in figure 2, the utility model discloses the oil leak prevention improves the structure reciprocating type sloping cam plate plunger cleaning machine pump gear case local enlarged view before improving. Fig. 3 shows a partial enlarged view of the improved gearbox on the reciprocating swash plate plunger cleaning machine pump of the oil leakage prevention improved structure of the present invention. As shown in figure 4, the utility model discloses the oil leak protection improves the local enlargements of motor output oil blanket department on the reciprocating type sloping cam plate plunger cleaning machine pump of structure. The oil cylinder gear box assembly is arranged inside the high-pressure pump assembly, and the motor assembly is connected and arranged at the lower end of the high-pressure pump assembly. The high-pressure pump assembly comprises a pump cover assembly 1 and a pump body assembly 2, wherein the pump cover assembly 1 is arranged at the upper end of the pump body assembly 2. The oil cylinder gear box component comprises a swash plate 4, an oil cylinder 5, a large gear transmission component 6 and a small gear 7, a plane thrust bearing 3 is arranged on the swash plate 4, the large gear transmission component 6 and the small gear 7 are arranged inside the oil cylinder 5, and the large gear transmission component 6 and the small gear 7 are meshed.

The motor assembly comprises a motor lower bracket assembly 8, a motor rotor assembly 9 and a motor stator assembly 10, wherein the motor lower bracket assembly 8 is arranged at the lower end of the pump body assembly 2, and the motor rotor assembly 9 and the motor stator assembly 10 are arranged in parallel. The motor assembly further comprises a motor upper support assembly 11, motor blades 12 and a motor fan cover 13, wherein the motor upper support assembly 11 is arranged at the lower ends of the motor rotor assembly 9 and the motor stator assembly 10, the motor blades 12 are arranged at the lower end of the motor upper support assembly 11, and the motor upper support assembly 11 and the motor blades 12 are arranged inside the motor fan cover 13. An oil cylinder big oil seal 14 is arranged between the oil cylinder 5 and the big gear transmission component 6. A sealing ring 15 is arranged between the oil cylinder 5 and the motor lower bracket component 8. The motor component also comprises a motor output bearing, and a Y-shaped oil seal 16 is arranged between the motor lower bracket component 8 and the motor output bearing. The motor is applied to the reciprocating swash plate plunger cleaning machine pump with the oil leakage prevention and improvement structure.

The working principle is as follows:

as shown in figure 1, the motor rotates through the motor rotor assembly 9 to drive the pinion 7 to do circular motion, the gear wheel transmission assembly 6 performs speed reduction synchronous transmission to the swash plate 4, the swash plate 4 performs circular motion, the application horizontal height difference of the swash plate 4 is utilized, the planar thrust bearing 3 converts force into the plunger in the high-pressure pump assembly to perform vertical motion perpendicular to the swash plate 4, reciprocating motion is performed through the pump cover assembly 1 and the plunger in the pump body assembly 2, low-pressure water inflow is extruded, high-pressure water outflow is obtained, and therefore the supercharging effect is achieved.

In the operation process of the motor pump shown in fig. 2, the pinion 7 and the gearwheel of the gearwheel transmission assembly 6 generate heat through running-in of the gearwheel, and lubrication and cooling of the pinion are performed through high-temperature lithium grease, the high-temperature lithium grease is injected into a gap between the gearwheel transmission assembly 6 and the oil cylinder assembly 5 in the structure, the oil cylinder 5 is isolated from the upper part and the lower part of the oil cylinder assembly 5 through the oil cylinder large oil seal 14 to achieve a sealing effect, and the sealing ring 15 ensures the sealing effect of the lower motor bracket assembly 8 and the outer ring of the oil cylinder assembly 5. The motor lower bracket component 8 and the inner ring of the oil cylinder component 5 are sealed through a motor output bearing.

As shown in fig. 3 and 4, a "Y" shaped oil seal 16 is added at the bearing chamber between the motor output bearing and the motor lower bracket assembly 8 to prevent the high temperature lithium grease from being thrown out from the motor output end in the motor rotor assembly 9. The outer wall of the Y-shaped oil seal 16 is attached to the bottom groove of the bearing chamber of the motor lower bracket assembly 8 to prevent grease from seeping along the outer wall of the bearing chamber. When the motor rotates at a high speed, the gear set generates heat through friction, the pressure inside the oil cylinder gear set is increased, so that the first oil seal lip 17 of the Y-shaped oil seal 16 close to the pinion 7 end and the second oil seal lip 18 close to the motor output shaft bearing end are both attached to the rotating shaft, and the high-temperature lithium-based grease can be effectively prevented from flowing out of the output end of the motor through double sealing inside the oil seal.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, are not to be construed as limiting the present application.

The foregoing descriptions have been directed to embodiments of the present invention. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. The utility model provides a reciprocating type sloping cam plate plunger cleaning machine pump of structure is improved to leak protection oil, its characterized in that, includes high-pressure pump subassembly, hydro-cylinder gear box subassembly and motor element, hydro-cylinder gear box unit mount sets up inside the high-pressure pump subassembly, just motor element connects the setting and is in high-pressure pump subassembly lower extreme.

2. The oil leakage prevention structurally improved reciprocating swash plate plunger washer pump according to claim 1, characterized in that the high-pressure pump assembly includes a pump cover assembly (1) and a pump body assembly (2), and the pump cover assembly (1) is installed on the upper end of the pump body assembly (2).

3. The pump of the reciprocating swash plate plunger washing machine with the oil leakage prevention and improvement structure as claimed in claim 1, wherein the cylinder gear box assembly comprises a swash plate (4), a cylinder (5), a gearwheel transmission assembly (6) and a pinion (7), the swash plate (4) is provided with a plane thrust bearing (3), the gearwheel transmission assembly (6) and the pinion (7) are arranged inside the cylinder (5), and the gearwheel transmission assembly (6) and the pinion (7) are engaged.

4. The reciprocating swash plate plunger washer pump of leak-proof oil improvement structure according to claim 2, wherein the motor assembly includes a motor lower bracket assembly (8), a motor rotor assembly (9) and a motor stator assembly (10), the motor lower bracket assembly (8) is installed at the lower end of the pump body assembly (2), and the motor rotor assembly (9) is juxtaposed to the motor stator assembly (10).

5. The pump of the reciprocating type swash plate plunger washing machine with the oil leakage prevention and improvement structure as claimed in claim 4, wherein the motor assembly further comprises a motor upper bracket assembly (11), a motor blade (12) and a motor fan housing (13), the motor upper bracket assembly (11) is installed at the lower end of the motor rotor assembly (9) and the motor stator assembly (10), the motor blade (12) is installed at the lower end of the motor upper bracket assembly (11), and the motor upper bracket assembly (11) and the motor blade (12) are installed inside the motor fan housing (13).

6. The reciprocating swash plate plunger washer pump of leak-proof improved structure of claim 3, characterized in that a cylinder large oil seal (14) is installed between the cylinder (5) and the large gear transmission assembly (6).

7. The reciprocating swash plate plunger washer pump of leak-proof oil improvement structure according to claim 1, wherein a sealing ring (15) is installed between the cylinder (5) and the motor lower bracket assembly (8).

8. The pump of the reciprocating swash plate plunger washing machine with the oil leakage prevention improved structure as claimed in claim 1, wherein the motor assembly further comprises a motor output bearing, and a Y-shaped oil seal (16) is installed between the motor lower bracket assembly (8) and the motor output bearing.

9. An electric motor characterized by being applied to a reciprocating swash plate plunger washer pump of the oil leakage prevention improvement structure of claims 1 to 8.