CN110566466A - Anti-leakage water pump - Google Patents
Anti-leakage water pump Download PDFInfo
- Publication number
- CN110566466A CN110566466A CN201910826245.2A CN201910826245A CN110566466A CN 110566466 A CN110566466 A CN 110566466A CN 201910826245 A CN201910826245 A CN 201910826245A CN 110566466 A CN110566466 A CN 110566466A
- Authority
- CN
- China
- Prior art keywords
- impeller
- water pump
- power
- shaft
- sealing washer
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings especially adapted for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a leakage-proof water pump which comprises a pump body, an impeller mounting chamber, a water pump inlet, a water pump outlet and an impeller, wherein the impeller is arranged in the impeller mounting chamber, a power shaft connected with the impeller is arranged at one end of the pump body, an inner cavity of the impeller mounting chamber comprises a fluid cavity and a power 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 mode and connected with the impeller shaft, a leakage-proof overflow port communicated with the power cavity is further arranged on the impeller mounting chamber, at least one first sealing ring and one second sealing ring are arranged on the outer wall of the impeller shaft along the axial direction of the impeller shaft, and the first sealing ring and the second sealing ring are positioned on two. 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 invention relates to the technical field of water pump equipment, in particular to a leakage-proof 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.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides a leakage-proof water pump which can avoid the damage of external power equipment caused by leakage and prolong the service life.
In order to achieve the purpose, the invention 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, an 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 impeller installation chamber, 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, 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 invention has the beneficial effects that: the invention adopts a structure that a plurality of sealing rings are arranged on the impeller shaft to improve the connection tightness, and the wheel mounting chamber is additionally provided with the leakage-proof overflow ports communicated with the power cavity, an overflow area communicated with the leakage-proof overflow ports can be formed between the sealing rings, and fluid leaked to the overflow area is discharged in time through the leakage-proof overflow ports, thereby avoiding the fluid from leaking from the outside of the impeller.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic view of a leakage prevention pump according to the present invention;
3 FIG. 3 2 3 is 3 a 3 schematic 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 3 1 3; 3
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 leak-proof water pump of the present invention 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 sequentially arranged along an axial direction thereof, 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, an 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 in a penetrating manner and is connected with the impeller shaft, the impeller installation chamber 2 is further provided with a leak-proof port 5 communicated with the power cavity 22, at least one first seal ring 7 and one second seal ring, 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 working process of the invention is as follows:
The invention relates to a leakage-proof water pump, which adopts a structure that a plurality of sealing rings are arranged on an impeller shaft, can improve the connection tightness, is additionally provided with leakage-proof overflow ports communicated with a power cavity on a wheel mounting chamber, can form overflow areas communicated with the leakage-proof overflow ports between the sealing rings, and can timely discharge fluid leaked to the overflow areas through the leakage-proof overflow ports, thereby avoiding the fluid from leaking from the outside of the impeller.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
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 |
|---|---|---|---|
| CN201910826245.2A CN110566466A (en) | 2019-09-03 | 2019-09-03 | Anti-leakage water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910826245.2A CN110566466A (en) | 2019-09-03 | 2019-09-03 | Anti-leakage water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110566466A true CN110566466A (en) | 2019-12-13 |
Family
ID=68777470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910826245.2A Pending CN110566466A (en) | 2019-09-03 | 2019-09-03 | Anti-leakage water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110566466A (en) |
-
2019
- 2019-09-03 CN CN201910826245.2A patent/CN110566466A/en active Pending
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| SE01 | Entry into force of request for substantive examination | ||
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