CN218542591U - Stator-rotor separated brushless methanol pump - Google Patents
Stator-rotor separated brushless methanol pump Download PDFInfo
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- CN218542591U CN218542591U CN202221502744.XU CN202221502744U CN218542591U CN 218542591 U CN218542591 U CN 218542591U CN 202221502744 U CN202221502744 U CN 202221502744U CN 218542591 U CN218542591 U CN 218542591U
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Abstract
The utility model discloses a stator-rotor separated brushless methanol pump, belonging to the technical field of automobile spare and accessory parts, comprising a pump shell, a front end cover and a rear end cover, wherein the front end cover and the rear end cover are respectively arranged at the two ends of the pump shell, and a stator is arranged on the inner wall of the pump shell; a front sealing cover and a rear sealing cover are arranged between the front end cover and the rear end cover, and a separation sleeve is arranged between the front sealing cover and the rear sealing cover; a rotor is arranged in the separation sleeve, one end of the rotor is in running fit with the rear sealing cover, and the other end of the rotor penetrates through the through hole of the front sealing cover to be connected with the impeller; the front end cover on be equipped with the inlet, preceding sealed lid is equipped with the intercommunicating pore respectively, is equipped with drain pipe on the sealed lid of back, its characterized in that: the inner ends of the front sealing cover and the rear sealing cover are respectively provided with an annular groove, and two ends of the separating sleeve are respectively embedded in the annular grooves of the front sealing cover and the rear sealing cover. Compared with the prior art have the characteristics of reinforcing leakproofness.
Description
Technical Field
The utility model relates to an automobile spare and accessory part technical field, especially a decide brushless methanol pump of rotor cellular-type.
Background
The methanol pump is used as a common part of an automobile, in the using process, fuel enters from a liquid inlet of the methanol pump and flows out from a liquid outlet after flowing through a rotor chamber, in the whole process, the fuel can be in direct contact with a rotor and a stator, and the fuel can corrode the stator easily. Therefore, in the existing methanol pump, the rotor and the stator are separated by using a separation sleeve, so that fuel is prevented from corroding the stator.
However, in the conventional methanol pump, the seal cover is embedded in the separation sleeve, and since the fuel flowing through the separation sleeve has a certain pressure, the separation sleeve expands when the fuel flows through the separation sleeve, so that a gap is generated between the separation sleeve and the seal cover, which affects the sealing performance between the separation sleeve and the seal cover and causes leakage.
Disclosure of Invention
The utility model aims to provide a decide not enough of rotor cellular-type brushless methanol pump, reach the reinforcing and separate the purpose of leakproofness between sleeve and the sealed lid to current methanol pump in the course of the work, fuel can arouse when separating the sleeve and flowing through and separate the sleeve inflation, makes and separates the gap between sleeve and the sealed lid, influences the leakproofness between separating sleeve and the sealed lid, provides a decide rotor cellular-type brushless methanol pump, reaches the reinforcing and separates the purpose of leakproofness between sleeve and the sealed lid.
The utility model provides a stator-rotor separated brushless methanol pump, which comprises a pump shell, a front end cover and a rear end cover, wherein the front end cover is arranged at one end of the pump shell, the rear end cover is arranged at the other end of the pump shell, and a stator is arranged on the inner wall of the pump shell; a front sealing cover and a rear sealing cover are arranged between the front end cover and the rear end cover, and a separation sleeve is arranged between the front sealing cover and the rear sealing cover; a rotor is arranged in the separating sleeve, a rotor chamber is formed between the rotor and the separating sleeve, one end of the rotor is in running fit with the rear sealing cover, and the other end of the rotor penetrates through the through hole of the front sealing cover to be connected with the impeller; the front end cover is provided with a liquid inlet, the front sealing covers are respectively provided with a communicating hole, the communicating hole on the front sealing cover communicates the liquid inlet of the front end cover with the rotor chamber, the rear sealing cover is provided with a liquid outlet pipe, and the liquid outlet hole of the rear sealing cover is communicated with the rotor chamber; the method is characterized in that: the inner ends of the front sealing cover and the rear sealing cover are respectively provided with an annular groove, and two ends of the separating sleeve are respectively embedded in the annular grooves of the front sealing cover and the rear sealing cover.
And sealing rings are respectively arranged between the separating sleeve and the annular grooves of the front sealing cover and the rear sealing cover, and sealing rings are respectively arranged between the outer walls of the front end cover and the rear end cover and the inner wall of the pump shell.
A cavity is arranged between the front sealing cover and the front end cover to form a pump chamber, and an impeller is arranged in the pump chamber.
A control chamber is formed between the rear end cover and the rear sealing cover, a control circuit board is installed in the control chamber, an aviation plug is installed on the rear end cover, and the stator is sequentially connected with the control circuit board and the aviation plug through wires.
The rear sealing cover is provided with a cooling cavity, the liquid outlet pipe is communicated with the cooling cavity, the rear sealing cover is provided with a plurality of fan-shaped communicating holes which are uniformly distributed in a circumferential shape, and the fan-shaped communicating holes are communicated with the cooling cavity.
The communicating hole on the front sealing cover is spiral.
A control chamber is formed between the rear end cover and the rear sealing cover, a control circuit board is installed in the control chamber, and the control circuit board is installed on the rear sealing cover in an attaching mode.
And a heat-conducting silica gel pad is arranged between the control circuit board and the rear sealing cover.
Compared with the prior art, the utility model discloses following outstanding beneficial effect has:
1. the inner ends of the front sealing cover and the rear sealing cover of the utility model are respectively provided with a ring groove, the two ends of the separating sleeve are respectively embedded in the ring grooves of the front sealing cover and the rear sealing cover, when the separating sleeve expands, the outer wall of the separating sleeve is propped against the wall of the ring grooves of the front sealing cover and the rear sealing cover, a gap can be generated between the separating sleeve and the sealing cover, and the sealing performance between the separating sleeve and the front sealing cover and the rear sealing cover is improved;
2. the utility model discloses a control circuit board laminating is installed and is covered after sealed, is equipped with the cooling chamber on the sealed lid of back, and when the fuel flows through the sealed cooling chamber that covers of back, the fuel of cooling intracavity can take away some heats on the control circuit board, plays the radiating effect to control circuit board.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Fig. 3 is a schematic structural view of the rear sealing cover of the present invention.
Detailed Description
The invention is further described with reference to the drawings and the detailed description.
As shown in fig. 1 and 2, the utility model discloses a pump case 7, front end housing 1, the rear end cap 9, preceding sealed lid 3 and rear sealing lid 8, front end housing 1 is installed to the one end of pump case 7, rear end cap 9 is installed to the other end, install stator 6 on the inner wall of pump case 7, preceding sealed lid 3 is installed to front end housing 1's inboard, rear sealing lid 8 is installed to rear end cap 9's inboard, install between preceding sealed lid 3 and the rear sealing lid 8 and separate sleeve 5, the inner of preceding sealed lid 3 and rear sealing lid 8 is equipped with the ring channel respectively, the both ends of separating sleeve 5 are inlayed respectively in the ring channel of preceding sealed lid 3 and rear sealing lid 8.
And sealing rings 13 are respectively arranged between the separating sleeve 5 and annular grooves of the front sealing cover 3 and the rear sealing cover 8, sealing rings 13 are respectively arranged between the outer walls of the front end cover 1 and the rear end cover 9 and the inner wall of the pump shell 7, and the sealing rings 13 play a role in sealing.
A pump chamber formed by a cavity is arranged between the front sealing cover 3 and the front end cover 1, an impeller 2 is arranged in the pump chamber, a rotor 4 is arranged in the separating sleeve 5, a rotor chamber is formed between the rotor 4 and the separating sleeve 5, a through hole is formed in the front sealing cover 3, one end of the rotor 4 is in running fit with the rear sealing cover 8, and the other end of the rotor 4 penetrates through the through hole of the front sealing cover 3 to be connected with the impeller 2.
As shown in fig. 3, a liquid inlet is arranged on the front end cover 1, the liquid inlet is communicated with the pump chamber, a through hole is arranged on the rear end cover 9, a liquid outlet pipe 12 is arranged on the rear sealing cover 8, the liquid outlet pipe 12 passes through the through hole on the rear end cover 9 and is exposed out of the pump case 7, a sealing ring 13 is arranged between the outer wall of the liquid outlet pipe 12 and the through hole of the rear end cover 9, communicating holes are respectively arranged on the front sealing cover 3 and the rear sealing cover 8, the pump chamber is communicated with the rotor chamber through the communicating holes on the front sealing cover 3, the communicating holes on the rear sealing cover 8 are communicated with the rotor chamber and the liquid outlet pipe 12, when the pump works, fuel enters from the liquid inlet, flows into the rotor chamber after flowing through the pump chamber, and finally flows out of the liquid outlet hole.
The communicating hole on the front sealing cover 3 is spiral, and can play a certain buffering role, so that fuel is prevented from directly rushing into the rotor chamber to impact the rotor and the inner wall of the separation sleeve.
The rear sealing cover 8 is provided with a cooling cavity, the liquid outlet pipe 12 is communicated with the cooling cavity, the rear sealing cover 8 is provided with a plurality of fan-shaped communication holes which are uniformly distributed in a circumferential shape, and the fan-shaped communication holes are communicated with the cooling cavity.
The rear end cover 9 and the rear sealing cover 8 form a control chamber, a control circuit board 11 is installed in the control chamber, the control circuit board 11 is attached to the rear sealing cover 8, and in the optimized scheme, a heat-conducting silica gel pad is installed between the control circuit board 11 and the rear sealing cover 8.
The rear sealing cover 8 and the rear end cover 9 are provided with wire through holes, the rear end cover 9 is provided with an aviation plug 10, and wires of the stator 6 sequentially penetrate through the wire through holes in the rear sealing cover 8 and the rear end cover 9 to be connected with the control circuit board 11. The control circuit board 11 is connected with the aviation plug 10 through a wire. The control circuit board 11 is a conventional circuit board, and the detailed structure thereof is not described again.
The operation flow is as follows: use the utility model discloses the time, start rotor 4, rotor 4 drives impeller 2 and rotates, inhales fuel from the inlet, gets into the rotor chamber behind the pump chamber of flowing through, flows out from going out the liquid hole at last, because separate sleeve 5 between rotor 4 and the stator, consequently, fuel can not contact with the stator to can avoid fuel corrosion stator.
It should be noted that while the invention has been described in detail with respect to specific embodiments thereof, it will be apparent to those skilled in the art that various obvious changes can be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. A stator-rotor separated brushless methanol pump comprises a pump shell (7), a front end cover (1) and a rear end cover (9), wherein the front end cover (1) is installed at one end of the pump shell (7), the rear end cover (9) is installed at the other end of the pump shell, and a stator (6) is installed on the inner wall of the pump shell (7); a front sealing cover (3) and a rear sealing cover (8) are arranged between the front end cover (1) and the rear end cover (9), and a separation sleeve (5) is arranged between the front sealing cover (3) and the rear sealing cover (8); a rotor (4) is arranged in the separating sleeve (5), a rotor chamber is formed between the rotor (4) and the separating sleeve (5), one end of the rotor (4) is in running fit with the rear sealing cover (8), and the other end of the rotor (4) penetrates through a through hole of the front sealing cover (3) to be connected with the impeller (2); a liquid inlet is formed in the front end cover (1), communicating holes are formed in the front sealing cover (3) respectively, the liquid inlet of the front end cover (1) is communicated with the rotor chamber through the communicating holes in the front sealing cover (3), a liquid outlet pipe (12) is formed in the rear sealing cover (8), and a liquid outlet hole of the rear sealing cover (8) is communicated with the rotor chamber; the method is characterized in that: the inner ends of the front sealing cover (3) and the rear sealing cover (8) are respectively provided with an annular groove, and the two ends of the separating sleeve (5) are respectively embedded in the annular grooves of the front sealing cover (3) and the rear sealing cover (8).
2. The divided stator-rotor brushless methanol pump according to claim 1, characterized in that: and a sealing ring (13) is arranged between the separating sleeve (5) and the annular grooves of the front sealing cover (3) and the rear sealing cover (8), and a sealing ring (13) is arranged between the outer walls of the front end cover (1) and the rear end cover (9) and the inner wall of the pump shell (7).
3. The divided stator-rotor brushless methanol pump according to claim 1, characterized in that: a cavity is arranged between the front sealing cover (3) and the front end cover (1) to form a pump chamber, and an impeller (2) is installed in the pump chamber.
4. The divided stator-rotor brushless methanol pump according to claim 1, characterized in that: rear end housing (9) and rear sealing cover (8) between form the control room, install control circuit board (11) in the control room, install aviation plug (10) on rear end housing (9), the stator passes through the wire and is connected with control circuit board (11) and aviation plug (10) in proper order.
5. The divided stator-rotor brushless methanol pump according to claim 1, characterized in that: the rear sealing cover (8) is provided with a cooling cavity, the liquid outlet pipe (12) is communicated with the cooling cavity, the rear sealing cover (8) is provided with a plurality of fan-shaped communication holes which are uniformly distributed in a circumferential shape, and the fan-shaped communication holes are communicated with the cooling cavity.
6. The stator-rotor divided brushless methanol pump according to claim 1, characterized in that: the communicating hole on the front sealing cover (3) is spiral.
7. The divided stator-rotor brushless methanol pump according to claim 1, characterized in that: rear end cap (9) and rear sealing cover (8) between form the control room, install control circuit board (11) in the control room, control circuit board (11) laminating is installed on rear sealing cover (8).
8. The divided stator-rotor brushless methanol pump according to claim 7, characterized in that: and a heat conduction silica gel pad is arranged between the control circuit board (11) and the rear sealing cover (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221502744.XU CN218542591U (en) | 2022-06-16 | 2022-06-16 | Stator-rotor separated brushless methanol pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221502744.XU CN218542591U (en) | 2022-06-16 | 2022-06-16 | Stator-rotor separated brushless methanol pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218542591U true CN218542591U (en) | 2023-02-28 |
Family
ID=85259322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221502744.XU Active CN218542591U (en) | 2022-06-16 | 2022-06-16 | Stator-rotor separated brushless methanol pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218542591U (en) |
-
2022
- 2022-06-16 CN CN202221502744.XU patent/CN218542591U/en active Active
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