CN216044488U - Water pump for intelligent closestool - Google Patents
Water pump for intelligent closestool Download PDFInfo
- Publication number
- CN216044488U CN216044488U CN202122784456.XU CN202122784456U CN216044488U CN 216044488 U CN216044488 U CN 216044488U CN 202122784456 U CN202122784456 U CN 202122784456U CN 216044488 U CN216044488 U CN 216044488U
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- output shaft
- impeller
- motor
- installation cavity
- water pump
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Abstract
The utility model belongs to the technical field of water pumps, in particular to a water pump for an intelligent closestool; the motor installation cavity is communicated with the impeller installation cavity through an output shaft installation hole, the motor is arranged in the motor installation cavity, an output shaft of the motor penetrates through the output shaft installation hole and extends into the impeller installation cavity, an impeller is arranged on the output shaft, a water inlet and a water outlet are formed in the shell, the inner wall of the impeller installation cavity and the output shaft are sealed through mechanical sealing, and the inner wall of the output shaft installation hole and the output shaft are sealed through an oil seal; the utility model is provided with the mechanical seal and the oil seal, so that water in the impeller mounting cavity can be isolated from the motor in the motor mounting cavity, the risk of electrification of water discharged from the water outlet can be prevented, and the use is safe and reliable; the sealing performance between the mechanical seal and the motor is guaranteed, and after the mechanical seal fails, water in the water pump shell is prevented from overflowing out of the water pump while the motor is prevented from entering water.
Description
The technical field is as follows:
the utility model belongs to the technical field of water pumps, and particularly relates to a water pump for an intelligent closestool.
Background art:
the intelligent closestool is provided with a water pump for supplying water to the flushing mechanism or the cleaning mechanism. At present, a motor of a water pump adopts a direct current brushless motor, uses 12V voltage and belongs to low voltage electricity. However, the dc brushless motor is expensive, which results in high cost. In addition, the dc brushless motor has a drawback of poor versatility. The direct current brush motor has the advantages of low price, strong universality and the like. Therefore, many people select a dc brush motor instead of a dc brushless motor. However, the dc brush motor adopts 220V high voltage, so a sealing structure needs to be designed to prevent the water from being charged at the water outlet, thereby improving the safety of use.
The utility model content is as follows:
the utility model aims to provide an intelligent water pump for a closestool, which can prevent water from flowing out of a water outlet from having the risk of electrification and is safe and reliable to use.
The utility model is realized by the following steps:
the utility model provides an intelligent water pump for closestool, includes motor, shell, the shell includes motor installation cavity and impeller installation cavity, communicate through the output shaft mounting hole between motor installation cavity and the impeller installation cavity, the motor sets up in the motor installation cavity, just the output shaft of motor passes the output shaft mounting hole and stretches into to the impeller installation cavity in, be provided with the impeller on the output shaft, be provided with water inlet and delivery port on the shell, water inlet, delivery port all communicate with the impeller installation cavity, it is sealed through mechanical seal between the inner wall of impeller installation cavity and the output shaft, it is sealed through the oil blanket between the inner wall of output shaft mounting hole and the output shaft.
In the above-mentioned water pump for intelligent closestool, be provided with the baffle between motor installation cavity and the impeller installation cavity, the output shaft mounting hole sets up on the baffle.
In foretell water pump for intelligent closestool, the shell includes both ends open-ended casing, is provided with the upper cover at the front end opening part of casing, through O type circle sealing connection between upper cover and the casing, the water inlet sets up on covering, the delivery port sets up on the casing.
In the above-mentioned water pump for intelligent closestool, be provided with the back lid at the rear end opening part of casing, be provided with O type circle between back lid and the casing.
In the above water pump for an intelligent toilet, the housing is provided with a wire hole through which a power wire of a power supply machine passes, and the power wire and the wire hole are sealed by an O-ring or by filling epoxy glue.
In the above-mentioned water pump for intelligent closestool, be provided with the water pump base on the casing.
In the above-mentioned water pump for intelligent closestool, the impeller is connected with the output shaft screw thread.
In the above-mentioned water pump for intelligent closestool, metal insert is embedded to the impeller, be provided with the screw hole on the metal insert, the impeller passes through this screw hole and output shaft threaded connection.
Compared with the prior art, the utility model has the outstanding advantages that:
1. the utility model has large water pump flow and high lift.
2. The power of the water pump can be adjusted at will through a program, and the water flushing effect of the intelligent closestool can be better achieved with lower water quantity and lower noise by adjusting the power corresponding to the flushing water at different stages in the using process of the flushing water of the intelligent closestool.
3. The 220V high-voltage direct power supply is not limited by a switching power supply, the arranged sealing structure can isolate water in the impeller mounting cavity from a motor in the motor mounting cavity, the risk of electrification of the water discharged from the water outlet can be prevented, the use is safe and reliable, the sealing property between the mechanical seal and the motor is ensured, and after the mechanical seal fails, the water in the water pump shell can be prevented from overflowing out of the water pump while the water is prevented from entering the motor.
Description of the drawings:
fig. 1 is a schematic cross-sectional view of the present invention.
In the figure: 1. a motor; 2. a motor mounting cavity; 3. an impeller mounting cavity; 4. an output shaft; 5. an impeller; 6. a water inlet; 7. mechanical sealing; 8. a partition plate; 9. oil sealing; 10. a housing; 11. an upper cover; 12. a rear cover; 13. a power line; 14. a water pump base.
The specific implementation mode is as follows:
the utility model is further described below in specific embodiments, with reference to fig. 1:
the utility model provides an intelligence is water pump for closestool, includes motor 1, shell, the shell includes motor installation cavity 2 and impeller installation cavity 3, communicate through the output shaft mounting hole between motor installation cavity 2 and the impeller installation cavity 3, motor 1 sets up in motor installation cavity 2, just output shaft 4 of motor 1 stretches into to impeller installation cavity 3 in, be provided with impeller 5 on the output shaft 4, wherein, impeller 5 passes through threaded connection with output shaft 4. A water inlet 6 and a water outlet are arranged on the shell, the water inlet 6 and the water outlet are both communicated with the impeller installation cavity 3, and the inner wall of the impeller installation cavity 3 is sealed with the impeller 5 through a mechanical seal 7. Wherein, the rotating ring of the mechanical seal 7 rotates along with the impeller 5, and the static ring is fixed on the shell. The inner wall of the output shaft mounting hole is sealed with the output shaft 4 through an oil seal 9.
The utility model is provided with a mechanical seal and an oil seal 9 which are sealed by a double-sealing structure, so that water entering from the water inlet 6 can not contact with the motor 1 in the impeller mounting cavity 3, and absolute seal in the motor mounting cavity 2 can be ensured. Because the motor 1 of the utility model uses 220V high-voltage electricity, the arrangement of the mechanical seal 7 and the oil seal 9 can prevent the water from being electrified, and the use is safe and reliable; and the sealing performance between the mechanical seal and the motor 1 is ensured, and even if the mechanical seal fails and leaks water, the motor 1 is prevented from water inflow, and meanwhile, the phenomenon that water in the shell overflows out of the water pump to cause flooding in the home of a user is avoided.
The working principle of the utility model is as follows: water enters the impeller mounting cavity 3 from the water inlet 6, and the impeller 5 rotates along with the output shaft 4 of the motor 1. Under the action of centrifugal force generated by the rotation of the impeller 5, water is thrown out from the water outlet.
Furthermore, a partition plate 8 is arranged between the motor installation cavity 2 and the impeller installation cavity 3, and the output shaft installation hole is formed in the partition plate 8. The baffle plate 8 and the shell are of an integrated structure.
In order to facilitate the installation of the impeller 5 and the motor 1, the housing includes a casing 10 with openings at two ends, an upper cover 11 is disposed at the front end of the casing 10, and the upper cover 11 and the casing 10 are hermetically connected, specifically sealed by an O-ring. The water inlet 6 is arranged on the upper cover 11, and the water outlet is arranged on the shell 10. According to the utility model, the rear cover 12 is arranged at the opening at the rear end of the shell 10, and an O-shaped ring is arranged between the rear cover 12 and the shell 10. The shell 10 is provided with a wire hole for a power wire 13 of the power supply machine 1 to pass through, and the power wire 13 and the wire hole are sealed through an O-shaped ring or sealed through filling epoxy glue.
In summary, the sealing structures are respectively arranged between the partition plate 8 and the output shaft 4, between the shell 10 and the rear cover 12, and between the power line 13 and the wire hole, so that the motor 1 can be isolated from the outside in the motor installation cavity 2. Because the use environment of the utility model is more humid, the sealing structure can prevent water from entering the motor installation cavity 2, so that the water enters the motor 1, and simultaneously, the protection of the circuit in the motor installation cavity 2 can be realized.
The impeller 5 is connected with the output shaft 4 through threads, so that the assembly and disassembly are convenient. Specifically, a metal insert is embedded in the impeller 5, a threaded hole is formed in the metal insert, and the impeller 5 is in threaded connection with the output shaft 4 through the threaded hole.
In order to prevent the vibration noise generated by the operation of the motor, a water pump base 14 made of soft EPDM material is arranged on the shell 10.
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model are covered by the protection scope of the utility model.
Claims (8)
1. The utility model provides an intelligence water pump for closestool which characterized in that: including motor (1), shell, the shell includes motor installation cavity (2) and impeller installation cavity (3), communicate through the output shaft mounting hole between motor installation cavity (2) and impeller installation cavity (3), motor (1) sets up in motor installation cavity (2), just output shaft (4) of motor (1) pass in the output shaft mounting hole stretches into to impeller installation cavity (3), be provided with impeller (5) on output shaft (4), be provided with water inlet (6) and delivery port on the shell, water inlet (6), delivery port all communicate with impeller installation cavity (3), it is sealed through mechanical seal (7) between the inner wall of impeller installation cavity (3) and output shaft (4), seal through oil blanket (9) between the inner wall of output shaft mounting hole and output shaft (4).
2. The water pump for the intelligent closestool of claim 1, wherein: a partition plate (8) is arranged between the motor installation cavity (2) and the impeller installation cavity (3), and the output shaft installation hole is formed in the partition plate (8).
3. The intelligent closestool water pump as claimed in claim 1 or 2, wherein: the shell comprises a shell body (10) with two open ends, an upper cover (11) is arranged at the opening of the front end of the shell body (10), the upper cover (11) is connected with the shell body (10) in a sealing mode through an O-shaped ring, a water inlet (6) is formed in the upper cover (11), and a water outlet is formed in the shell body (10).
4. The intelligent closestool water pump of claim 3, wherein: a rear cover (12) is arranged at an opening at the rear end of the shell (10), and an O-shaped ring is arranged between the rear cover (12) and the shell (10).
5. The intelligent closestool water pump of claim 3, wherein: the shell (10) is provided with a wire hole for a power wire of the power supply machine (1) to pass through, and the power wire (13) and the wire hole are sealed through an O-shaped ring or sealed through filling epoxy glue.
6. The intelligent closestool water pump of claim 3, wherein: a water pump base (14) is arranged on the shell (10).
7. The water pump for the intelligent closestool of claim 1, wherein: the impeller (5) is in threaded connection with the output shaft (4).
8. The intelligent closestool water pump of claim 7, wherein: the impeller (5) is embedded with a metal insert, a threaded hole is formed in the metal insert, and the impeller (5) is in threaded connection with the output shaft (4) through the threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122784456.XU CN216044488U (en) | 2021-11-12 | 2021-11-12 | Water pump for intelligent closestool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122784456.XU CN216044488U (en) | 2021-11-12 | 2021-11-12 | Water pump for intelligent closestool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216044488U true CN216044488U (en) | 2022-03-15 |
Family
ID=80553344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122784456.XU Active CN216044488U (en) | 2021-11-12 | 2021-11-12 | Water pump for intelligent closestool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216044488U (en) |
-
2021
- 2021-11-12 CN CN202122784456.XU patent/CN216044488U/en active Active
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