CN216742176U - Lid structure behind double fluid passage water pump stator - Google Patents
Lid structure behind double fluid passage water pump stator Download PDFInfo
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- CN216742176U CN216742176U CN202122624941.0U CN202122624941U CN216742176U CN 216742176 U CN216742176 U CN 216742176U CN 202122624941 U CN202122624941 U CN 202122624941U CN 216742176 U CN216742176 U CN 216742176U
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Abstract
The utility model discloses a double-flow-passage water pump stator rear cover structure, which belongs to a water pump structure and comprises a stator connecting seat connected with a stator, wherein a water outlet cavity is arranged in the stator connecting seat, an outer flow passage opening and an inner flow passage opening are arranged on the water outlet cavity, one side of the water outlet cavity, which is back to the stator, is communicated with a water outlet, a pressure detection port communicated with the water outlet cavity is also arranged in the stator connecting seat, a pressure detection assembly is arranged in the pressure detection port, a flow velocity detection assembly is arranged in the water outlet, and the flow velocity detection assembly and the pressure detection assembly are integrated into the water pump structure, so that the installation space occupied by an intelligent water pump is reduced, and the problems that in the prior art, a flow velocity detection device and a pressure detection device are generally arranged in a flow passage outside the water pump, occupy more installation space, and are inconvenient to overhaul are solved.
Description
Technical Field
The utility model relates to a water pump structure, in particular to a double-flow-passage water pump stator rear cover structure.
Background
In order to improve the intelligent degree of the water pump, the existing water pump generally needs to perform real-time detection on the pressure and the flow rate of internal fluid, and in the prior art, a flow rate detection device and a pressure detection device are generally arranged in a flow channel outside the water pump; occupies more installation space and is inconvenient to overhaul.
For example, the publication No. CN202768362U of "intelligent water pump and fire fighting equipment" disclosed in chinese patent literature includes a water pump and an intelligent control device, where the intelligent control device includes a controller, a first pressure sensor, a second pressure sensor, a water outlet flow rate sensor, and a rotation speed sensor; the water pump is connected with an output shaft of the external pneumatic motor, the second pressure sensor and the water outlet flow velocity sensor are arranged at an outlet of the water pump, the first pressure sensor is arranged at an inlet of the water pump, and the rotating speed sensor is arranged at a connecting part of the water pump and the external pneumatic motor; the first pressure sensor, the second pressure sensor, the water outlet flow speed sensor and the rotating speed sensor are all electrically connected with the controller.
Disclosure of Invention
The utility model provides a double-channel water pump stator rear cover structure, aiming at overcoming the problems that a flow velocity detection device and a pressure detection device are generally arranged in a channel outside a water pump, so that more installation space is occupied, and the maintenance is inconvenient in the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model relates to a double-channel water pump stator rear cover structure which comprises a stator connecting seat connected with a stator, wherein an outer channel is arranged on the outer side of the stator, an inner channel is arranged on the inner side of the stator, a water outlet cavity is arranged in the stator connecting seat, an outer channel opening communicated with the outer channel is arranged on the water outlet cavity, an inner channel opening communicated with the inner channel is arranged on one side of the water outlet cavity facing towards the stator, one side of the water outlet cavity back to the stator is communicated with a water outlet, a pressure detection port communicated with the water outlet cavity is further arranged in the stator connecting seat, a pressure detection assembly is installed in the pressure detection port, and a flow velocity detection assembly is installed in the water outlet.
The fluid in outer runner and the interior runner collects in the play water cavity, then flows out from the delivery port department, pressure measurement subassembly installs in pressure measurement mouth, can detect the fluid pressure after collecing, and velocity of flow detection subassembly installs in the delivery port, can detect the velocity of flow of the fluid after collecing to, velocity of flow detection subassembly and pressure measurement subassembly direct mount cover behind the water pump stator, have reduced the installation space that intelligent water pump occupy.
Preferably, the pressure detecting assembly includes at both ends: the pressure detection mounting part is adapted to be mounted in the pressure detection port, and the pressure detection power connection port faces the outer side of the stator; a pressure detection sealing ring is arranged between the pressure detection mounting part and the pressure detection port; because the pressure detection ports are in contact with liquid, and the power connection ports cannot be stained with liquid, the pressure detection sealing rings are used for sealing.
Preferably, the flow rate detection assembly includes a flow rate detector installed in the water outlet, and a flow rate detection power connection port located at a side of the water outlet.
Preferably, a pressure detection flow limiting port is arranged between the pressure detection port and the water outlet cavity, and the pressure detection flow limiting port can play a role in buffering when the pressure in the water outlet cavity changes instantaneously, so that the phenomenon that the pressure fluctuation detected at the pressure detection port is too large and the reading is difficult is avoided.
Preferably, a flow limiting block is arranged at the opening of the inner runner, and a flow limiting groove is formed in the flow limiting block; the cooling of stator and rotor is realized through shunting liquid between stator and the rotor to interior runner, and the flow of interior runner can be restricted to the limit chute to avoid the interior liquid velocity of flow of interior runner to lead to the great condition of energy loss.
Preferably, the opening angle of the outer flow passage opening does not exceed 90 °; the fluid in the outer flow channel enters the water outlet cavity from the same direction by limiting the angle of the opening of the outer flow channel, so that the energy consumption caused by the opposite flushing of the fluid is avoided.
Preferably, the double-channel water pump stator rear cover structure further comprises a rear cover fixing seat, the outer diameter of the rear cover fixing seat is matched with the inner diameter of the pump body shell, and a rear cover sealing ring is arranged between the rear cover fixing seat and the pump body shell; the rear cover sealing ring can prevent fluid in the water pump from entering between the rear cover and the pump body, so that the rear cover sealing ring can wet the electric connection port.
Therefore, the utility model has the following beneficial effects: (1) the flow velocity detection assembly and the pressure detection assembly are integrated into a water pump structure, so that the installation space occupied by the intelligent water pump is reduced; (2) the pressure detection value is stable; (3) the sealing effect is good.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of another aspect of the present invention.
Fig. 3 is a schematic cross-sectional view of the present invention.
Fig. 4 is a schematic diagram of a pressure sensing assembly of the present invention.
In the figure: 1. stator connecting seat 2, play water cavity 3, outer runner opening 4, interior runner opening 5, delivery port 6, pressure detection mouth 7, pressure detection installation department 8, pressure detection connects electric mouthful 9, pressure detection sealing washer 10, velocity of flow detector 11, velocity of flow detection connects electric mouthful 12, pressure detection restricted flow mouth 13, restricted flow piece 14, back lid fixing base 15, back lid sealing washer.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
In the embodiment shown in fig. 1-4, a double-flow-passage water pump stator rear cover structure includes a stator connecting seat 1 connected to a stator, an outer flow passage is provided on an outer side of the stator, an inner flow passage is provided on an inner side of the stator, a water outlet cavity 2 is provided in the stator connecting seat, an outer flow passage opening 3 communicated with the outer flow passage is provided on the water outlet cavity, an inner flow passage opening 4 communicated with the inner flow passage is provided on a side of the water outlet cavity facing the stator, and a water outlet 5 is communicated with a side of the water outlet cavity facing away from the stator, as shown in fig. 3, the outer flow passage opening is located on an upper side of the water outlet cavity, the inner flow passage opening is located on a left side of the water outlet cavity, a pressure detection port 6 communicated with the water outlet cavity is further provided in the stator connecting seat, a pressure detection assembly is installed in the pressure detection port, and a flow velocity detection assembly is installed in the water outlet; the pressure detection assembly comprises two parts respectively located at two ends: a pressure detection mounting part 7 adapted to be mounted in the pressure detection port, and a pressure detection electric port 8 facing the outside of the stator; a pressure detection sealing ring 9 is arranged between the pressure detection mounting part and the pressure detection port; the flow velocity detection assembly comprises a flow velocity detector 10 arranged in the water outlet and a flow velocity detection electric interface 11 positioned on the side surface of the water outlet; a pressure detection flow-limiting port 12 is arranged between the pressure detection port and the water outlet cavity, and is positioned at the lower side of the water outlet cavity as shown in fig. 3; a flow limiting block 13 is arranged at the opening of the inner runner, and a flow limiting groove is formed in the flow limiting block; the opening angle of the outer flow passage opening is not more than 90 degrees; the double-channel water pump stator rear cover structure further comprises a rear cover fixing seat 14, the outer diameter of the rear cover fixing seat is matched with the inner diameter of the pump body shell in size, and a rear cover sealing ring 15 is installed between the rear cover fixing seat and the pump body shell.
When the pump is installed, the stator connecting seat is connected with the stator, and the rear cover fixing seat is connected with the pump body shell; when the water pump is used, fluid in the inner flow channel enters the water outlet cavity through the flow limiting groove and the opening of the inner flow channel, fluid in the outer flow channel enters the water outlet cavity through the opening of the outer flow channel, liquid in the water outlet cavity leaves the water pump through the water outlet, and the flow speed detection assembly can detect the flow speed of the fluid while passing through the water outlet; meanwhile, the pressure detection port is communicated with the water outlet cavity, so that the pressure of fluid in the water outlet cavity can be detected, and when the pressure fluctuation of the fluid in the water outlet cavity is large, the pressure flow limiting port can play a role in buffering, so that the pressure detection value is relatively stable.
Claims (7)
1. The utility model provides a lid structure behind double-flow-passage water pump stator, characterized by includes the stator connecting seat of being connected with the stator, the outside of stator is equipped with outer runner, the inboard of stator is equipped with interior runner, be equipped with out the water cavity in the stator connecting seat, be equipped with the outer runner opening with outer runner intercommunication on going out the water cavity, go out the water cavity and be equipped with the interior runner opening with interior runner intercommunication towards one side of stator, go out the water cavity one side and the delivery port intercommunication of stator dorsad, still be equipped with the pressure detection mouth with play water cavity intercommunication in the stator connecting seat, install the pressure detection subassembly in the pressure detection mouth, install the velocity of flow detection subassembly in the delivery port.
2. The stator rear cover structure of the double-flow-channel water pump as claimed in claim 1, wherein the pressure detection assembly comprises: a pressure detection mounting part which is adapted to be mounted in the pressure detection port, and a pressure detection electric connection port which faces the outer side of the stator; and a pressure detection sealing ring is arranged between the pressure detection mounting part and the pressure detection port.
3. The stator rear cover structure of the double-channel water pump as claimed in claim 1, wherein the flow velocity detection assembly comprises a flow velocity detector installed in the water outlet and a flow velocity detection power connection port located on the side surface of the water outlet.
4. The stator rear cover structure of the double-flow-channel water pump as claimed in claim 1, wherein a pressure detection flow limiting port is arranged between the pressure detection port and the water outlet cavity.
5. The stator rear cover structure of the double-runner water pump as claimed in claim 1, wherein a flow limiting block is installed at the opening of the inner runner, and a flow limiting groove is formed in the flow limiting block.
6. The stator back cover structure of the double-runner water pump as claimed in claim 1, wherein the opening angle of the outer runner opening is not more than 90 °.
7. The stator rear cover structure of the double-channel water pump as claimed in any one of claims 1 to 6, further comprising a rear cover fixing seat, wherein the outer diameter of the rear cover fixing seat is matched with the inner diameter of the pump body shell, and a rear cover sealing ring is installed between the rear cover fixing seat and the pump body shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122624941.0U CN216742176U (en) | 2021-10-29 | 2021-10-29 | Lid structure behind double fluid passage water pump stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122624941.0U CN216742176U (en) | 2021-10-29 | 2021-10-29 | Lid structure behind double fluid passage water pump stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216742176U true CN216742176U (en) | 2022-06-14 |
Family
ID=81922381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122624941.0U Active CN216742176U (en) | 2021-10-29 | 2021-10-29 | Lid structure behind double fluid passage water pump stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216742176U (en) |
-
2021
- 2021-10-29 CN CN202122624941.0U patent/CN216742176U/en active Active
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