CN211144817U - Anti-leakage water pump - Google Patents
Anti-leakage water pump Download PDFInfo
- Publication number
- CN211144817U CN211144817U CN201921450145.6U CN201921450145U CN211144817U CN 211144817 U CN211144817 U CN 211144817U CN 201921450145 U CN201921450145 U CN 201921450145U CN 211144817 U CN211144817 U CN 211144817U
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- impeller
- water pump
- sealing washer
- power
- shaft
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Abstract
The utility model provides a prevent leaking water pump, including the pump body, impeller installation room, water pump import, water pump export, impeller, be equipped with the impeller in the impeller installation room, the one end of the pump body is equipped with the power shaft that links to each other with the impeller, the inner chamber of impeller installation room includes fluid chamber and power chamber, the impeller sets up in the fluid intracavity, and the impeller shaft of impeller one end sets up in the power chamber, the power shaft of the pump body is worn to locate in the power chamber and is linked to each other with the impeller shaft, still be equipped with the communicating leak protection overflow mouth with the power chamber on the impeller installation room, at least one first sealing washer and second sealing washer are installed along its axis direction to the outer wall of impeller shaft, and first sealing washer, second sealing washer are located the both sides of the junction of leak protection overflow mouth and power. The structure of a plurality of sealing rings to improve the leakproofness of connecting, in time will leak the fluid discharge in the overflow region through the leak protection overflow mouth, thereby avoid the fluid to take place to leak from the impeller department outside.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of water pump equipment, especially a prevent leaking water pump.
[ background of the invention ]
The water pump is a machine for conveying liquid or pressurizing liquid, generally has an impeller shaft which penetrates out of a pump body and is connected with other power equipment shafts, the working time is long, the problem of external leakage at the impeller position inevitably occurs due to the fact that the impeller shaft and a sealing ring of the pump body rotate, rub and wear, and the external power equipment is damaged, and the leakage-proof water pump is provided.
[ Utility model ] content
The utility model aims at solving the problem in the prior art, providing a prevent leaking the water pump, avoid leaking the damage of the outside power equipment that arouses, increase of service life.
In order to achieve the purpose, the utility model provides a leakage-proof water pump, which comprises a pump body, an impeller installation chamber, a water pump inlet, a water pump outlet and an impeller, wherein the water pump inlet and the water pump outlet are communicated with the impeller installation chamber, the impeller is arranged in the impeller installation chamber, one end of the pump body is provided with a power shaft which is connected with the impeller and transmits power, the inner cavity of the impeller installation chamber comprises a fluid cavity and a power cavity which are sequentially arranged along the axial direction of the pump body, the water pump inlet and the water pump outlet are communicated with the fluid cavity, the impeller is arranged in the fluid cavity, the impeller shaft at one end of the impeller is arranged in the power cavity, the power shaft of the pump body is arranged in the power cavity in a penetrating way and is connected with the impeller shaft, the impeller installation chamber is also provided with a leakage-proof overflow port which is communicated with the power cavity, the first sealing ring and the second sealing ring are positioned on two sides of the joint of the leakage-proof overflow port and the power cavity.
Preferably, the outer wall of the impeller shaft is sequentially provided with a plurality of sealing grooves for mounting a first sealing ring and a second sealing ring along the axis direction, and the first sealing ring and the second sealing ring are tightly matched with the inner wall of the power cavity.
Preferably, the sealing grooves comprise two first sealing grooves arranged at one end, far away from the pump body, of the impeller shaft and a second sealing groove arranged at one end, close to the pump body, of the impeller shaft, the first sealing rings are arranged on the first sealing grooves, and the second sealing rings are arranged on the second sealing grooves.
Preferably, the outer wall of the impeller shaft is provided with an annular groove corresponding to the joint of the leakage-proof overflow port and the power cavity, the first sealing groove and the second sealing groove are respectively arranged on two sides of the annular groove, and an overflow area communicated with the leakage-proof overflow port is formed between the first sealing ring and the second sealing ring.
The utility model has the advantages that: the utility model discloses a set up the structure of a plurality of sealing washers on the impeller shaft to improve the leakproofness of connecting, and add on the wheel installation room with the communicating leak protection overflow mouth in power chamber, can form between the sealing washer and the communicating overflow region of leak protection overflow mouth, in time will leak the regional fluid discharge of overflow through the leak protection overflow mouth, thereby avoid the fluid to take place to leak from the impeller department outside.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural view of a leakage-proof water pump of the present invention;
FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic sectional view taken along line B-B of FIG. 1;
fig. 4 is a schematic cross-sectional view of fig. 2 taken along line C-C.
[ detailed description ] embodiments
Referring to fig. 1 to 4, the utility model relates to a leakage-proof water pump, which comprises a pump body 1, an impeller installation chamber 2, a water pump inlet 3, a water pump outlet 4 and an impeller 6, wherein the water pump inlet 3 and the water pump outlet 4 are communicated with the impeller installation chamber 2, the impeller 6 is arranged in the impeller installation chamber 2, one end of the pump body 1 is provided with a power shaft connected with the impeller 6 for transmitting power, an inner cavity of the impeller installation chamber 2 comprises a fluid cavity 21 and a power cavity 22 which are sequentially arranged along the axial direction, the water pump inlet 3 and the water pump outlet 4 are communicated with the fluid cavity 21, the impeller 6 is arranged in the fluid cavity 21, the impeller shaft at one end of the impeller 6 is arranged in the power cavity 22, the power shaft of the pump body 1 is arranged in the power cavity 22 and is connected with the impeller shaft, the impeller installation chamber 2 is further provided with a leakage-proof port 5 communicated with the power cavity 22, the outer wall of the impeller shaft is provided with at least one first, the first sealing ring 7 and the second sealing ring 8 are positioned at two sides of the joint of the leakage-proof overflow port 5 and the power cavity 22.
Further, a plurality of sealing grooves for mounting the first sealing ring 7 and the second sealing ring 8 are sequentially formed in the outer wall of the impeller shaft along the axis direction of the impeller shaft, and the first sealing ring 7 and the second sealing ring 8 are tightly matched with the inner wall of the power cavity 22. Through seal groove and sealing washer cooperation structure, improve the compactness of connecting.
Further, the seal grooves comprise two first seal grooves arranged at one end, far away from the pump body 1, of the impeller shaft and a second seal groove arranged at one end, close to the pump body 1, of the impeller shaft, the first seal ring 7 is arranged on the first seal groove, and the second seal ring 8 is arranged on the second seal groove. A plurality of sealing rings are adopted to be tightly matched with the impeller shaft and the power cavity, so that the effect of multiple sealing is achieved.
Further, the outer wall of the impeller shaft is provided with an annular groove corresponding to the joint of the leakage-proof overflow port 5 and the power cavity 22, the first sealing groove and the second sealing groove are respectively arranged on two sides of the annular groove, and an overflow area communicated with the leakage-proof overflow port 5 is formed between the first sealing ring 7 and the second sealing ring 8.
The utility model discloses the working process:
the utility model relates to a prevent leaking water pump adopts the structure that sets up a plurality of sealing washers on the impeller shaft, can improve the leakproofness of connecting to add on the wheel installation room with the communicating leak protection overflow mouth in power chamber, can form between the sealing washer with the communicating overflow region in leak protection overflow mouth, can in time discharge the fluid that leaks the overflow region through the leak protection overflow mouth, thereby avoid the fluid to take place to leak from the impeller department outside.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (4)
1. The utility model provides a prevent leaking water pump, includes the pump body (1), impeller installation room (2), water pump inlet (3), water pump outlet (4), impeller (6), water pump inlet (3), water pump outlet (4) communicate with each other with impeller installation room (2), be equipped with impeller (6) in impeller installation room (2), the one end of the pump body (1) is equipped with the power shaft who links to each other with impeller (6) and transmit power, its characterized in that: the inner chamber of impeller installation room (2) includes fluid chamber (21) and power chamber (22) that set gradually along its axis direction, water pump import (3), water pump export (4) communicate with each other with fluid chamber (21), impeller (6) set up in fluid chamber (21), and the impeller shaft of impeller (6) one end sets up in power chamber (22), the power shaft of the pump body (1) is worn to locate in power chamber (22) and is linked to each other with the impeller shaft, still be equipped with on impeller installation room (2) with power chamber (22) communicating leak protection overflow mouth (5), at least one first sealing washer (7) and second sealing washer (8) are installed along its axis direction to the outer wall of impeller shaft, first sealing washer (7), second sealing washer (8) are located the both sides of the junction of leak protection overflow mouth (5) and power chamber (22).
2. A leak-resistant water pump as defined in claim 1, wherein: the outer wall of impeller shaft has seted up the seal groove that a plurality of was used for installing first sealing washer (7), second sealing washer (8) along its axis direction in proper order, first sealing washer (7), second sealing washer (8) closely cooperate with the inner wall of power cavity (22).
3. A leak-resistant water pump as defined in claim 2, wherein: the seal groove comprises two first seal grooves arranged at one end, far away from the pump body (1), of the impeller shaft and a second seal groove arranged at one end, close to the pump body (1), of the impeller shaft, wherein a first seal ring (7) is arranged on the first seal groove, and a second seal ring (8) is arranged on the second seal groove.
4. A leak-resistant water pump as defined in claim 3, wherein: the outer wall of impeller shaft is equipped with the annular corresponding with the junction of leak protection overflow mouth (5) and power chamber (22), first seal groove, second seal groove set up respectively in the both sides of annular, form between first sealing washer (7) and second sealing washer (8) and leak protection overflow mouth (5) communicating overflow region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921450145.6U CN211144817U (en) | 2019-09-03 | 2019-09-03 | Anti-leakage water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921450145.6U CN211144817U (en) | 2019-09-03 | 2019-09-03 | Anti-leakage water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211144817U true CN211144817U (en) | 2020-07-31 |
Family
ID=71758947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921450145.6U Active CN211144817U (en) | 2019-09-03 | 2019-09-03 | Anti-leakage water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211144817U (en) |
-
2019
- 2019-09-03 CN CN201921450145.6U patent/CN211144817U/en active Active
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