CN217300896U

CN217300896U - Integrated direct-current oil pump motor with pressure protection

Info

Publication number: CN217300896U
Application number: CN202220332331.5U
Authority: CN
Inventors: 胡林祥; 胡炳煊
Original assignee: Shenzhen Jintongshun Precision Machinery Co ltd
Current assignee: Shenzhen Jintongshun Precision Machinery Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-08-26
Anticipated expiration: 2032-02-14

Abstract

The utility model relates to an auto industry machine oil exchange equipment technical field just discloses an one-piece type direct current oil pump motor with pressure protection, including the jump ring, the outer wall of jump ring is provided with first sealing member, the outer wall of first sealing member is provided with the pump body, the inner wall of the pump body is provided with the second sealing member, the inner wall of the pump body is provided with the external rotor, the inner wall of external rotor is provided with the inner rotor, the inner wall of inner rotor is provided with the round key. This one-piece type direct current oil pump motor with pressure protection, through with oil pump and motor structure redesign integration, design the front end housing of motor into oil pump base motor end, the extension motor shaft makes it regard as the oil pump axle simultaneously, becomes an axle formula lug connection, this design has not only reduced the motor front end housing and need not adapter and the shaft joint of split machine, can also make the oil pump motor more exquisite, the cost is lower and pump oil efficiency is higher, the noise is low.

Description

Integrated direct-current oil pump motor with pressure protection

Technical Field

The utility model relates to an auto industry machine oil exchange equipment technical field specifically is an one-piece type direct current oil pump motor with pressure protection.

Background

At present, under the low pressure, the non-sustained use condition, the combined design of direct current oil pump motor, more economical, more convenient, common split type direct current oil pump motor is connected conventional cycloid pump and direct current motor through shaft coupling, adapter, and the motor rotates the indirect oil pump work that drives, if need have the pressure regulation effect, the oil pump need increase the high-pressure valve.

At present split type connection need increase one section adapter and shaft joint between oil pump and motor, increases pump machine length promptly, also increases manufacturing cost, and when no pressure regulating device, if too big have the motor risk of burning out of pressure, if increase the air-vent valve, not only occupy bigger space, it is heavier, and whole set of pump machine cost also has the improvement of great proportion.

Therefore, the integrated direct-current oil pump motor with pressure protection is provided, the motor end of an oil pump base is designed into the front end cover of the motor, the motor shaft is prolonged to be simultaneously used as an oil pump shaft, and the integrated direct-current oil pump motor becomes a shaft type direct connection and is designed with an embedded pressure regulating valve structure to achieve the pressure regulating effect.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model is not enough to prior art, the utility model provides an one-piece type direct current oil pump motor with pressure protection, it is more exquisite to possess not only the oil pump motor, the cost is lower, still reached the pressure regulating effect and reduced advantages such as risk that the motor burns out, it needs to increase one section adapter and shaft coupling between oil pump and motor to have solved present split type connection, increase pump machine length promptly, manufacturing cost also increases, and when having no pressure regulating device, if too big motor that has of pressure burns out the risk, if increase the air-vent valve, not only occupy bigger space, it is heavier, and the problem of the improvement of a whole set of pump machine cost also has great proportion.

(II) technical scheme

For realizing above-mentioned not only the oil pump motor is more exquisite, and the cost is lower, has still reached the pressure regulating effect and has reduced the purpose of the risk that the motor burns out, the utility model provides a following technical scheme: an integrated direct current oil pump motor with pressure protection comprises a clamp spring, wherein a first sealing element is arranged on the outer wall of the clamp spring, a pump body is arranged on the outer wall of the first sealing element, a second sealing element is arranged on the inner wall of the pump body, an outer rotor is arranged on the inner wall of the pump body, an inner rotor is arranged on the inner wall of the outer rotor, a round key is arranged on the inner wall of the inner rotor, a shaft sleeve is arranged on the inner wall of the pump body, a cover is arranged on the outer wall of the pump body, an inner hexagon screw is connected to the inner wall of the cover in a threaded mode, a steel cap is arranged on the inner wall of the pump body, a spring is arranged on the inner wall of the pump body, a third sealing element is arranged on the inner wall of the pump body, an end cap is arranged on the inner wall of the pump body, an adjusting screw is arranged on the inner wall of the pump body, a fourth sealing element is arranged on the inner wall of the pump body, an outer hexagon screw is arranged on the inner wall of the pump body, the outer wall of outer hexagonal screw is provided with air-vent valve hexagon nut, the inner wall of the pump body is provided with the axle, the outer wall of axle is provided with the bearing, the outer wall of the pump body is provided with direct current motor, direct current motor's inner wall is provided with the screw.

Preferably, the inner wall of the pump body is provided with a first thread groove, and the diameter and the size of the inner wall of the first thread groove are matched with the diameter and the size of the outer wall of the inner hexagonal screw, so that the inner hexagonal screw can be conveniently installed and fixed.

Preferably, the inner wall of the inner rotor is provided with a first mounting groove, the diameter and the size of the inner wall of the first mounting groove are matched with the diameter and the size of the outer wall of the round key, and the round key is ensured to be mounted on the inner wall of the inner rotor and fit better.

Preferably, the inner wall of the pump body is provided with a second thread groove, and the diameter and the size of the inner wall of the second thread groove are matched with the diameter and the size of the outer wall of the outer hexagonal screw, so that the outer hexagonal screw can be conveniently installed and fixed.

Preferably, the inner wall of the pump body is provided with a second mounting groove, and the shape and the size of the inner wall of the second mounting groove are matched with the shape and the size of the outer wall of the plug, so that the plug is more firmly mounted on the inner wall of the pump body.

Preferably, the inner wall of the direct current motor is provided with a third thread groove, and the diameter and the size of the inner wall of the third thread groove are matched with the diameter and the size of the outer wall of the screw, so that the screw is conveniently installed and fixed.

(III) advantageous effects

Compared with the prior art, the utility model provides an one-piece type direct current oil pump motor with pressure protection possesses following beneficial effect:

1. this one-piece type direct current oil pump motor with pressure protection, through integrating oil pump and motor structure redesign, design the front end housing of motor into oil pump base motor end, the extension motor shaft makes it regard as the oil pump axle simultaneously, becomes an axle formula lug connection, this design has not only reduced the motor front end housing and need not the adapter and the shaft joint of split machine, can also make the oil pump motor more exquisite, the cost is lower and pump oil efficiency is higher, the noise is low.

2. This one-piece type direct current oil pump motor with pressure protection through the embedded air-vent valve structure of design, directly utilizes the pump body processing air-vent valve connecting hole, does not increase the material, does not reach the pressure regulating effect under the occupation space condition, and this design is not only little, has still reached the pressure regulating effect and has reduced the motor risk of burning out.

Drawings

Fig. 1 is an exploded view of the present invention;

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is a side cut-away view of the present invention;

fig. 4 is a schematic view of the rotor and the round key of the present invention.

In the figure: 1. a clamp spring; 2. a first seal member; 3. a pump body; 4. a second seal member; 5. an outer rotor; 6. an inner rotor; 7. a round key; 8. a shaft sleeve; 9. a cover; 10. a hexagon socket head cap screw; 11. a steel cap; 12. a spring; 13. a third seal member; 14. a plug; 15. adjusting screws; 16. a fourth seal member; 17. an outer hexagonal screw; 18. a pressure regulating valve hexagon nut; 19. a screw; 20. a DC motor; 21. a shaft; 22. and a bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an integrated direct current oil pump motor with pressure protection comprises a clamp spring 1, a first sealing element 2 is arranged on the outer wall of the clamp spring 1, a pump body 3 is arranged on the outer wall of the first sealing element 2, a second mounting groove is formed in the inner wall of the pump body 3, the shape and size of the inner wall of the second mounting groove are matched with the shape and size of the outer wall of a plug 14, so that the plug 14 is more firmly mounted on the inner wall of the pump body 3, a second thread groove is formed in the inner wall of the pump body 3, the diameter and size of the inner wall of the second thread groove are matched with the diameter and size of the outer wall of an outer hexagonal screw 17, so that the outer hexagonal screw 17 can be mounted and fixed conveniently, a first thread groove is formed in the inner wall of the pump body 3, the diameter and size of the inner wall of the first thread groove are matched with the diameter and size of the outer wall of an inner hexagonal screw 10, so that the inner hexagonal screw 10 can be mounted and fixed conveniently, the inner wall of the pump body 3 is provided with a second sealing element 4, the inner wall of the pump body 3 is provided with an outer rotor 5, the inner wall of the outer rotor 5 is provided with an inner rotor 6, the inner wall of the inner rotor 6 is provided with a first mounting groove, the diameter and the size of the inner wall of the first mounting groove are matched with the diameter and the size of the outer wall of the round key 7, so that the round key 7 is ensured to be mounted on the inner wall of the inner rotor 6 to be more fit, the inner wall of the inner rotor 6 is provided with the round key 7, the inner wall of the pump body 3 is provided with a shaft sleeve 8, the outer wall of the pump body 3 is provided with a cover 9, the inner wall of the cover 9 is in threaded connection with an inner hexagon screw 10, the inner wall of the pump body 3 is provided with a steel cap 11, the inner wall of the pump body 3 is provided with a spring 12, the inner wall of the pump body 3 is provided with a third sealing element 13, the inner wall of the pump body 3 is provided with a plug 14, the inner wall of the pump body 3 is provided with an adjusting screw 15, the inner wall of the pump body 3 is provided with a fourth sealing element 16, and the outer hexagon screw 17, the outer wall of the outer hexagonal screw 17 is provided with a pressure regulating valve hexagonal nut 18, the inner wall of the pump body 3 is provided with a shaft 21, the outer wall of the shaft 21 is provided with a bearing 22, the outer wall of the pump body 3 is provided with a direct current motor 20, the inner wall of the direct current motor 20 is provided with a third thread groove, the diameter and the size of the inner wall of the third thread groove are matched with the diameter and the size of the outer wall of the screw 19 so as to facilitate the installation and the fixation of the screw 19, and the inner wall of the direct current motor 20 is provided with the screw 19.

The working principle is as follows: when the oil pump is used, the oil pump and the motor structure are redesigned and integrated, the motor end of the oil pump base is designed into the front end cover of the motor, the motor shaft is prolonged to be simultaneously used as an oil pump shaft, and the oil pump is in one-shaft direct connection, so that the oil pump is higher in efficiency and low in noise; the design not only makes the oil pump motor more delicate and has lower cost, but also achieves the pressure regulating effect and reduces the risk of burning the motor.

To sum up, this one-piece type direct current oil pump motor with pressure protection, through redesign integration with oil pump and motor structure, design the front end housing of motor into oil pump base motor end, the extension motor shaft makes it regard as the oil pump axle simultaneously, become an axle formula lug connection, this design has not only reduced the motor front end housing and does not need the adapter and the shaft joint of split machine, it is more exquisite to still enable the oil pump motor, the cost is lower and pump oil efficiency is higher, the noise is low, rethread designs embedded air-vent valve structure, directly utilize pump body processing air-vent valve connecting hole, do not increase the material, reach the pressure regulating effect under the not occupation space condition, this design not only occupation space is little, still reached the pressure regulating effect and reduced the motor risk of burning out.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an integral type direct current oil pump motor with pressure protection, includes jump ring (1), its characterized in that: the outer wall of jump ring (1) is provided with first sealing member (2), the outer wall of first sealing member (2) is provided with the pump body (3), the inner wall of the pump body (3) is provided with second sealing member (4), the inner wall of the pump body (3) is provided with outer rotor (5), the inner wall of outer rotor (5) is provided with inner rotor (6), the inner wall of inner rotor (6) is provided with round key (7), the inner wall of the pump body (3) is provided with axle sleeve (8), the outer wall of the pump body (3) is provided with lid (9), the inner wall threaded connection of lid (9) has interior hexagonal screw (10), the inner wall of the pump body (3) is provided with steel cap (11), the inner wall of the pump body (3) is provided with spring (12), the inner wall of the pump body (3) is provided with third sealing member (13), the inner wall of the pump body (3) is provided with end cap (14), the inner wall of the pump body (3) is provided with adjusting screw (15), the inner wall of the pump body (3) is provided with fourth sealing member (16), the inner wall of the pump body (3) is provided with outer hexagonal screw (17), the outer wall of outer hexagonal screw (17) is provided with air-vent valve hexagonal nut (18), the inner wall of the pump body (3) is provided with axle (21), the outer wall of axle (21) is provided with bearing (22), the outer wall of the pump body (3) is provided with direct current motor (20), the inner wall of direct current motor (20) is provided with screw (19).

2. An integrated type dc oil pump motor with pressure protection according to claim 1, characterized in that: the inner wall of the pump body (3) is provided with a first thread groove, and the diameter and the size of the inner wall of the first thread groove are matched with the diameter and the size of the outer wall of the inner hexagonal screw (10).

3. An integrated direct current oil pump motor with pressure protection according to claim 1, characterized in that: a first mounting groove is formed in the inner wall of the inner rotor (6), and the diameter and the size of the inner wall of the first mounting groove are matched with the diameter and the size of the outer wall of the round key (7).

4. An integrated direct current oil pump motor with pressure protection according to claim 1, characterized in that: and a second thread groove is formed in the inner wall of the pump body (3), and the diameter and the size of the inner wall of the second thread groove are matched with the diameter and the size of the outer wall of the outer hexagonal screw (17).

5. An integrated direct current oil pump motor with pressure protection according to claim 1, characterized in that: and a second mounting groove is formed in the inner wall of the pump body (3), and the shape and the size of the inner wall of the second mounting groove are matched with the shape and the size of the outer wall of the plug (14).

6. An integrated direct current oil pump motor with pressure protection according to claim 1, characterized in that: the inner wall of the direct current motor (20) is provided with a third thread groove, and the diameter and the size of the inner wall of the third thread groove are matched with the diameter and the size of the outer wall of the screw (19).