CN218266477U - Impeller and pump cover clearance seal structure of water pump - Google Patents
Impeller and pump cover clearance seal structure of water pump Download PDFInfo
- Publication number
- CN218266477U CN218266477U CN202220322231.4U CN202220322231U CN218266477U CN 218266477 U CN218266477 U CN 218266477U CN 202220322231 U CN202220322231 U CN 202220322231U CN 218266477 U CN218266477 U CN 218266477U
- Authority
- CN
- China
- Prior art keywords
- pump cover
- impeller
- water inlet
- water
- pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 189
- 238000007789 sealing Methods 0.000 claims abstract description 48
- 239000000919 ceramic Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 description 15
- 229920006351 engineering plastic Polymers 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a clearance sealing structure between an impeller and a pump cover of a water pump, which relates to the technical field of water pumps.A cavity is formed in the pump cover of the water pump, and a water inlet channel and a water outlet channel which are communicated with the cavity and the outside are respectively formed on the pump cover; the impeller assembly comprises an impeller body, and a water inlet is formed in one side of the impeller body; the impeller body is accommodated in the cavity of the pump cover, the water inlet of the impeller body faces the water inlet channel of the pump cover, and the motor shaft of the motor of the water pump penetrates into the cavity of the pump cover and is connected with the impeller body to rotate in the cavity; the wear-resisting ring is embedded in one end of the water inlet channel of the pump cover in the cavity, the wear-resisting ring is arranged around the water inlet channel, and the water inlet of the impeller body is in friction contact with the wear-resisting ring. The utility model mainly solves the problem that a gap exists between the inlet of the impeller and the pump cover of the water pump; there is not the clearance between impeller body and the pump cover, and rivers can not flow back to the inhalant canal of pump cover, have solved the problem of leaking in the water pump, have improved the volumetric efficiency of water pump.
Description
Technical Field
The utility model relates to a water pump technical field specifically is an impeller and pump cover clearance seal structure of water pump.
Background
The water pump can drive liquid to flow, so that the liquid can flow from one place to another directionally, and the water pump is a mechanical device with wide application.
Some water pumps commonly used, including the pump body, pump cover, impeller and motor, the pump body combines together with the pump cover and forms the cavity in the inside of the pump body, enters into this cavity behind the pump body is passed to the pivot of motor, and the impeller holding is established in this cavity and is established in the pivot of motor, makes the motor can drive the impeller rotatory in the cavity to the drive liquid flows.
The water pump of above-mentioned structure has certain clearance between the import department of impeller and the pump cover, and the during operation of water pump because there is the pressure differential in the local area in the pump cover, rivers that can make the impeller throw away produce the backward flow to along the water inlet of above-mentioned clearance backward flow to the pump cover, cause the problem of interior hourglass, reduced the volumetric efficiency of water pump to a certain extent.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an impeller and pump cover clearance seal structure of water pump to solve the rivers backward flow problem in the pump cover.
In order to achieve the above purpose, the utility model provides a following technical scheme: a sealing structure for a gap between an impeller and a pump cover of a water pump is applied to the water pump and comprises the pump cover and the impeller; a cavity is formed in the pump cover, and a water inlet channel and a water outlet channel which are communicated with the cavity and the outside are respectively formed on the pump cover; the impeller assembly comprises an impeller body, and a water inlet is formed in one side of the impeller body; the impeller body is accommodated in the cavity of the pump cover, a water inlet of the impeller body faces a water inlet channel of the pump cover, and a motor shaft of a motor of the water pump penetrates into the cavity of the pump cover and is used for driving the impeller body to rotate in the cavity; the water inlet channel of the pump cover is embedded with a wear-resistant ring at one end in the cavity, the wear-resistant ring surrounds the water inlet channel, and the water inlet of the impeller body is in friction contact with the wear-resistant ring.
In the technical scheme, one side of the pump cover in the cavity is recessed around the water inlet channel to form a sealing part, and the wear-resistant ring is embedded in the sealing part and arranged around the water inlet channel; at least one part of the water inlet of the impeller body enters the sealing part of the pump cover.
In the technical scheme, the pump cover is further inwards concave at the sealing part to form an embedded groove, and the wear-resistant ring is embedded in the embedded groove.
In the above technical solution, the impeller assembly further includes a screw; and the screw penetrates through the shaft hole of the impeller body and is locked into the motor shaft.
In the above technical scheme, the wear-resistant ring is a ceramic ring.
A sealing structure for a gap between an impeller and a pump cover of a water pump is applied to the water pump and comprises the pump cover and an impeller assembly; a cavity is formed in the pump cover, and a water inlet channel and a water outlet channel which are communicated with the cavity and the outside are respectively formed on the pump cover; the impeller assembly comprises an impeller body, and a water inlet is formed in one side of the impeller body; the impeller body is accommodated in the cavity of the pump cover, the water inlet of the impeller body faces the water inlet channel of the pump cover, and the motor shaft of the motor of the water pump penetrates into the cavity of the pump cover and is connected with the impeller body to rotate in the cavity; the wear-resistant impeller is characterized in that a wear-resistant ring is embedded at the water inlet of the impeller body, and the wear-resistant ring at the water inlet of the impeller body is in friction contact with the inner wall of the pump cover and surrounds the water inlet channel of the pump cover.
In the technical scheme, one side of the pump cover in the cavity is recessed around the water inlet channel to form a sealing part, and the wear-resistant ring at the water inlet of the impeller body is in frictional contact with the inner wall of the sealing part of the pump cover; at least one part of the water inlet of the impeller body enters the sealing part of the pump cover.
In the technical scheme, the pump cover is further recessed at the sealing part to form a friction groove, and the wear-resistant ring at the water inlet of the impeller body is in friction contact with the inner wall of the friction groove of the pump cover.
In the above technical solution, the impeller assembly further includes a screw; and the screw penetrates through the shaft hole of the impeller body and is locked into the motor shaft.
In the above technical scheme, the wear-resistant ring is a ceramic ring.
Compared with the prior art, the beneficial effects of the utility model are that:
1. according to the sealing structure for the gap between the impeller and the pump cover of the water pump, the motor shaft is linked with the impeller body to rotate in the cavity of the pump cover, and the impeller body can drive liquid to flow along the water flow of the impeller body when rotating, so that the liquid is sucked into the cavity after passing through the water inlet channel, and the liquid generates pressure under the drive of the impeller body, can directionally flow under the guide of the pump cover and is discharged from the water outlet channel; in the process, although the pressure difference still exists in the local area in the pump cover, the water inlet of the impeller body is in friction contact with the wear-resistant ring, at the moment, no gap exists between the impeller body and the pump cover, and water flow cannot flow back to the water inlet channel of the pump cover, so that the problem of internal leakage of the water pump is solved, and the volumetric efficiency of the water pump is improved;
2. according to the sealing structure for the gap between the impeller and the pump cover of the water pump, the motor shaft is linked with the impeller body to rotate in the cavity of the pump cover, and the impeller body can drive liquid to flow along the water flow of the impeller body when rotating, so that the liquid is sucked into the cavity after passing through the water inlet channel, and the liquid generates pressure under the drive of the impeller body, can directionally flow under the guide of the pump cover and is discharged from the water outlet channel; in the process, although the pressure difference still exists in the local area in the pump cover, the wear-resisting ring at the water inlet of the impeller body is in friction contact with the pump cover, at the moment, no gap exists between the impeller body and the pump cover, water flow cannot flow back to the water inlet channel of the pump cover, the problem of leakage in the water pump is solved, and the volumetric efficiency of the water pump is improved.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present invention.
Fig. 2 is an exploded view of a first embodiment of the present invention.
Fig. 3 is a cross-sectional view of a first embodiment of the present invention.
Fig. 4 is a perspective view of a second embodiment of the present invention.
Fig. 5 is an exploded view of the second embodiment of the present invention.
Fig. 6 is a cross-sectional view of a second embodiment of the present invention.
The reference signs are: 1. a pump cover; 11. a water inlet channel; 12. a water outlet channel; 13. a chamber; 14. a sealing part; 15. caulking grooves; 2. an impeller assembly; 21. an impeller body; 211. a water inlet; 22. a screw; 3. a motor shaft; 4. a wear ring; 5. a pump cover; 51. a water inlet channel; 52. a water outlet channel; 53. a chamber; 54. a sealing part; 55. a friction groove; 6. an impeller assembly; 61. an impeller body; 611. a water inlet; 62. a screw; 7. a motor shaft; 8. a wear-resistant ring.
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.
The first embodiment is as follows:
referring to fig. 1 to 3, the present embodiment provides a sealing structure for a gap between an impeller and a pump cover of a water pump, which is applied to the water pump, and includes a pump cover 1 and an impeller assembly 2.
The pump cover 1 is an integrally formed half shell which is made of wear-resistant engineering plastic, and the pump cover 1 is used for providing a part of a shell for the water pump; a cavity 13 is formed in the pump cover 1 and used for accommodating the impeller assembly 2 and supplying water to flow in the cavity, a water inlet channel 11 and a water outlet channel 12 which are used for communicating the cavity 13 with the outside are formed on the pump cover 1 respectively, the water inlet channel 11 and the water outlet channel 12 are integrally formed with the pump cover 1, and the pump cover 1 guides the water flow of inlet water and outlet water through the water inlet channel 11 and the water outlet channel 12 respectively.
The impeller component 2 comprises an impeller body 21, the impeller body 21 is an integrally formed wear-resistant engineering plastic workpiece, a plurality of blades for driving water flow are formed on the impeller body 21, the centers of the blades are shaft holes, a water inlet 211 is formed at one side of the impeller body 21, and the water inlet 211 is coaxial with the shaft holes of the impeller body 21; the impeller body 21 is accommodated in the chamber 13 of the pump cover 1, and the water inlet 211 of the impeller body 21 faces the water inlet passage 11 of the pump cover 1, and the motor shaft 3 of the motor of the water pump penetrates into the chamber 13 of the pump cover 1 and rotates the impeller body 21 in the chamber 13.
The wear-resistant ring 4 is embedded at one end of the water inlet channel 11 of the pump cover 1 in the chamber 13, the wear-resistant ring 4 is arranged around the water inlet channel 11, and the water inlet 211 of the impeller body 21 is in friction contact with the wear-resistant ring 4.
The motor shaft 3 is linked with the impeller body 21 to rotate in the cavity 13 of the pump cover 1, when the impeller body 21 rotates, the impeller body 21 can drive liquid to flow along the water flow of the impeller body, so that the liquid is sucked into the cavity 13 after passing through the water inlet channel 11, and the liquid can generate pressure under the drive of the impeller body 21, can directionally flow under the guide of the pump cover 1 and is discharged from the water outlet channel 12; in the process, although the pressure difference still exists in the local area in the pump cover 1, the water inlet 211 of the impeller body 21 is in friction contact with the wear-resistant ring 4, at the moment, no gap exists between the impeller body 21 and the pump cover 1, water flow cannot flow back to the water inlet channel 11 of the pump cover 1, the problem of leakage in the water pump is solved, and the volumetric efficiency of the water pump is improved.
Specifically, the wear-resistant ring 4 is a ceramic ring, and the surface of the wear-resistant ring 4 made of ceramic has high smoothness.
Further, the pump cover 1 is recessed around the water inlet channel 11 on one side inside the chamber 13 to form a sealing part 14, that is, the sealing part 14 is an annular recessed part of the water inlet channel 11 in the annular groove inside the chamber 13 of the pump cover 1, and the wear-resistant ring 4 is embedded in the sealing part 14 and arranged around the water inlet channel 11; at least a part of the water inlet 211 of the impeller body 21 enters the sealing portion 14 of the pump cover 1 to further increase the degree of sealing between the impeller body 21 and the pump cover 1.
Further specifically, the pump cover 1 is further recessed at the sealing portion 14 to form a caulking groove 15, and the wear-resistant ring 4 is embedded in the caulking groove 15.
When the pump cover 1 is manufactured, the wear-resistant ring 4 may be placed in an injection mold of the pump cover 1, and then plastic is injected into the injection mold, so as to form the pump cover 1, and the wear-resistant ring 4 and the pump cover 1 are formed into a whole.
Specifically, the impeller assembly 2 further comprises a screw 22; the screw 22 is locked in the motor shaft 3 after passing through the shaft hole of the impeller body 21; in this embodiment, the front end of the motor shaft 3 penetrates into the shaft hole of the impeller body 21, so that the motor shaft 3 and the impeller body 21 are more tightly matched.
Example two:
referring to fig. 4 to 6, the present embodiment provides a sealing structure for a gap between an impeller and a pump cover of a water pump, which is applied to the water pump, and the sealing structure for the gap between the impeller and the pump cover of the water pump includes a pump cover 5 and an impeller assembly 6.
The pump cover 5 is an integrally formed half shell which can be made of wear-resistant engineering plastic or metal, and the pump cover 5 is used for providing a part of a shell for the water pump; a cavity 53 is formed in the pump cover 5 and used for accommodating the impeller assembly 6 and supplying water flow to flow in the cavity, a water inlet channel 51 and a water outlet channel 52 which are used for communicating the cavity 53 with the outside are formed on the pump cover 5 respectively, the water inlet channel 51 and the water outlet channel 52 are integrally formed with the pump cover 5, and the pump cover 5 guides water flow of water inlet and water outlet through the water inlet channel 51 and the water outlet channel 52 respectively.
The impeller assembly 6 comprises an impeller body 61, the impeller body 61 is an integrally formed wear-resistant engineering plastic workpiece, a plurality of blades for driving water flow are formed on the impeller body 61, the centers of the blades are shaft holes, a water inlet 611 is formed at one side of the impeller body 61, and the water inlet 611 is coaxial with the shaft holes of the impeller body 61; impeller body 61 is housed in chamber 53 of pump cover 5 with water inlet 611 of impeller body 61 facing water inlet passage 51 of pump cover 5, and motor shaft 7 of the motor of the water pump penetrates into chamber 53 of pump cover 5 and rotates impeller body 61 in chamber 53.
The water inlet 611 of the impeller body 61 is embedded with a wear-resistant ring 8, and the wear-resistant ring 8 at the water inlet 611 of the impeller body 61 is in friction contact with the inner wall of the pump cover 5 and surrounds the water inlet channel 51 of the pump cover 5; in this embodiment, the wear-resistant ring 8 is tightly attached to the inner wall of the water inlet 611 of the impeller body 61, and the top of the wear-resistant ring 8 is higher than the water inlet 611 of the impeller body 61.
Specifically, the wear-resistant ring 8 is a ceramic ring, and the surface of the wear-resistant ring 8 made of ceramic has high smoothness.
When the impeller body 61 is manufactured, the wear-resistant ring 8 may be placed in an injection mold of the impeller body 61, and then plastic may be injected into the injection mold to mold the impeller body 61, and the wear-resistant ring 8 and the impeller body 61 may be integrally molded.
The motor shaft 7 is used for driving the impeller body 61 to rotate in the cavity 53 of the pump cover 5, when the impeller body 61 rotates, the liquid can be driven to flow along the water flow of the impeller body, so that the liquid is sucked into the cavity 53 after passing through the water inlet channel 51, the liquid can generate pressure under the driving of the impeller body 61, can directionally flow under the guiding of the pump cover 5 and is discharged from the water outlet channel 52; in the above process, although there is still a pressure difference in the local area inside the pump cover 5, because the wear-resistant ring 8 at the water inlet 611 of the impeller body 61 is in friction contact with the pump cover 5, at this time, there is no gap between the impeller body 61 and the pump cover 5, the water flow does not flow back to the water inlet channel 51 of the pump cover 5, the problem of leakage inside the water pump is solved, and the volumetric efficiency of the water pump is improved.
Further, one side of the pump cover 5 in the chamber 53 is recessed around the water inlet channel 51 to form a sealing part 54, that is, the sealing part 54 is a ring-shaped recessed part of the water inlet channel 51 in the annular groove in the chamber 53 of the pump cover 5, and the wear-resistant ring 8 at the water inlet 611 of the impeller body 61 is in friction contact with the inner wall of the sealing part 54 of the pump cover 5; at least a part of water inlet 611 of impeller body 61 enters sealing portion 54 of pump cover 5 to further increase the degree of sealing between impeller body 61 and pump cover 5.
Further, the pump cover 5 is further recessed at the sealing portion 54 to form a friction groove 55, and the wear-resistant ring 8 at the water inlet 611 of the impeller body 61 is in frictional contact with the inner wall of the friction groove 55 of the pump cover 5.
Specifically, the impeller assembly 6 further comprises a screw 62; the screw 62 is locked into the motor shaft 7 after passing through the shaft hole of the impeller body 61; in this embodiment, the front end of the motor shaft 7 penetrates into the shaft hole of the impeller body 61, so that the motor shaft 7 and the impeller body 61 are more tightly matched.
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 (10)
1. A sealing structure for a gap between an impeller and a pump cover of a water pump is applied to the water pump and is characterized by comprising a pump cover and an impeller assembly;
a cavity is formed in the pump cover, and a water inlet channel and a water outlet channel which are communicated with the cavity and the outside are respectively formed on the pump cover;
the impeller assembly comprises an impeller body, and a water inlet is formed in one side of the impeller body; the impeller body is accommodated in the cavity of the pump cover, the water inlet of the impeller body faces the water inlet channel of the pump cover, and the motor shaft of the motor of the water pump penetrates into the cavity of the pump cover and is connected with the impeller body to rotate in the cavity;
the water inlet channel of the pump cover is embedded with a wear-resistant ring at one end in the cavity, the wear-resistant ring surrounds the water inlet channel, and the water inlet of the impeller body is in friction contact with the wear-resistant ring.
2. The impeller and pump cover gap sealing structure of the water pump according to claim 1, characterized in that: one side of the pump cover in the cavity is recessed around the water inlet channel to form a sealing part, and the wear-resistant ring is embedded in the sealing part and arranged around the water inlet channel;
at least one part of the water inlet of the impeller body enters the sealing part of the pump cover.
3. The impeller and pump cover gap sealing structure of the water pump according to claim 2, characterized in that: the pump cover is further inwards concave at the sealing part to form an embedded groove, and the wear-resisting ring is embedded in the embedded groove.
4. The impeller and pump cover gap sealing structure of the water pump according to claim 1, characterized in that: the impeller assembly further comprises a screw;
and the screw penetrates through the shaft hole of the impeller body and is locked into the motor shaft.
5. The impeller and pump cover gap sealing structure of the water pump according to claim 1, characterized in that: the wear-resistant ring is a ceramic ring.
6. A sealing structure for a gap between an impeller and a pump cover of a water pump is applied to the water pump and is characterized by comprising a pump cover and an impeller assembly;
a cavity is formed in the pump cover, and a water inlet channel and a water outlet channel which are communicated with the cavity and the outside are formed in the pump cover respectively;
the impeller assembly comprises an impeller body, and a water inlet is formed in one side of the impeller body; the impeller body is accommodated in the cavity of the pump cover, a water inlet of the impeller body faces a water inlet channel of the pump cover, and a motor shaft of a motor of the water pump penetrates into the cavity of the pump cover and is used for driving the impeller body to rotate in the cavity;
the wear-resistant impeller is characterized in that a wear-resistant ring is embedded at the water inlet of the impeller body, and the wear-resistant ring at the water inlet of the impeller body is in friction contact with the inner wall of the pump cover and surrounds the water inlet channel of the pump cover.
7. The impeller and pump cover gap sealing structure of the water pump according to claim 6, characterized in that: one side of the pump cover in the cavity is recessed around the water inlet channel to form a sealing part, and a wear-resistant ring at the water inlet of the impeller body is in friction contact with the inner wall of the sealing part of the pump cover;
at least one part of the water inlet of the impeller body enters the sealing part of the pump cover.
8. The impeller and pump cover gap sealing structure of the water pump according to claim 7, characterized in that: the pump cover is further recessed at the sealing part to form a friction groove, and a wear-resistant ring at the water inlet of the impeller body is in friction contact with the inner wall of the friction groove of the pump cover.
9. The impeller and pump cover gap sealing structure of the water pump according to claim 8, characterized in that: the impeller assembly further comprises a screw;
and the screw penetrates through the shaft hole of the impeller body and is locked into the motor shaft.
10. The impeller and pump cover gap sealing structure of the water pump according to claim 6, characterized in that: the wear-resistant ring is a ceramic ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220322231.4U CN218266477U (en) | 2022-02-17 | 2022-02-17 | Impeller and pump cover clearance seal structure of water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220322231.4U CN218266477U (en) | 2022-02-17 | 2022-02-17 | Impeller and pump cover clearance seal structure of water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218266477U true CN218266477U (en) | 2023-01-10 |
Family
ID=84707844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220322231.4U Active CN218266477U (en) | 2022-02-17 | 2022-02-17 | Impeller and pump cover clearance seal structure of water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218266477U (en) |
-
2022
- 2022-02-17 CN CN202220322231.4U patent/CN218266477U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218266477U (en) | Impeller and pump cover clearance seal structure of water pump | |
| CN216742140U (en) | Impeller and pump cover clearance seal structure of water pump | |
| KR101947030B1 (en) | Hydrauric force sealing device for pump | |
| US6499941B1 (en) | Pressure equalization in fuel pump | |
| US5429476A (en) | Fuel pump | |
| CN217539035U (en) | Canned motor pump that lip ring terminal surface is sealed | |
| US5765992A (en) | Regenerative pump | |
| CN216951667U (en) | Mechanical sealing device | |
| CN215719573U (en) | High-volume-efficiency single-stage pump | |
| CN210859821U (en) | Direct-beating suction ring type mechanical sealing device | |
| CN209800250U (en) | gear metering pump with double-steering pressure relief channel | |
| CN221033290U (en) | Pump shell of end face small-clearance vortex pump | |
| CN218787205U (en) | Centrifugal submerged pump | |
| CN216950809U (en) | Pump body main body of plunger type cleaning machine | |
| RU2211954C2 (en) | Liquid-packed ring vacuum pump | |
| CN220505336U (en) | Intelligent double-drive pump and water supply system | |
| CN116792322B (en) | Intelligent double-drive pump and water supply system | |
| CN219345058U (en) | Centrifugal pump mouth ring structure | |
| CN214092299U (en) | Cover plate structure for oil pump | |
| CN214221484U (en) | Fluid pump | |
| RU193552U1 (en) | PUMP DRILLING SEAL | |
| CN218293938U (en) | Dish washer pump and dish washer | |
| CN210423139U (en) | Special mechanical seal for low-temperature low-pressure digestion feed pump | |
| CN220354057U (en) | Integrated pump shell and power pump | |
| CN218717685U (en) | Water pump volute impeller connecting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 30 Dapu Industrial Street, Changping Town, Dongguan City, Guangdong Province, 523000 Patentee after: Guangdong Shenpeng Technology Co.,Ltd. Country or region after: China Address before: 523000 Gangzi Dapu Industrial Zone, Changping Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN SHENPENG ELECTRONICS Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |