CN202659518U - Water pump - Google Patents
Water pump Download PDFInfo
- Publication number
- CN202659518U CN202659518U CN 201220183464 CN201220183464U CN202659518U CN 202659518 U CN202659518 U CN 202659518U CN 201220183464 CN201220183464 CN 201220183464 CN 201220183464 U CN201220183464 U CN 201220183464U CN 202659518 U CN202659518 U CN 202659518U
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- CN
- China
- Prior art keywords
- pump
- motor
- output shaft
- pump housing
- dividing plate
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a water pump, belongs to the technical field of machinery, and solves the problem of low sealing performance of the conventional water pump. The water pump comprises a motor, a pump body, and a partition plate which is positioned between the motor and the pump body, wherein a pump cavity is formed between the partition plate and the pump body; a water inlet channel and a water outlet channel, which are communicated with the pump cavity, are formed on the pump body; an impeller is arranged in the pump cavity; an output shaft of the motor penetrates through the partition plate and then extends into the pump cavity; the impeller is fixedly connected to the output shaft of the motor; a double-faced sealing structure is sleeved on the output shaft in a sealed mode; and the double-faced sealing structure is positioned on the partition plate and can be used for sealed connection of the partition plate and the output shaft. The water pump has the advantages of high sealing performance, abrasion resistance and long service life.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of water pump.
Background technique
Water pump is the machinery of carrying liquid or making the liquid supercharging.It sends mechanical energy or other external energies of prime mover to liquid, liquid energy is increased, be mainly used to carry liquid to comprise water, oil, acid ﹠ alkali liquid, emulsified liquid, suspended emulsion and liquid metal etc., the liquid that also can carry liquid, gaseous mixture and contain suspended solids.Water is again ejection after being pressurized by the pump housing, therefore need between motor and the pump housing to be tightly connected to prevent that water in the pump housing from entering into motor and affecting machine operation, generally all be that mode by mechanical seal is connected and sealed between existing its motor of water pump and the pump housing, the problem of its existence is: its sealing effect is not fine.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed the water pump of good sealing effect between a kind of its motor and the pump housing.
The purpose of this utility model can realize by following technical proposal: a kind of water pump, comprise motor, the pump housing and the dividing plate between motor and the pump housing, form pump chamber between described dividing plate and the pump housing, have the intake tunnel and the exhalant canal that are communicated with pump chamber on the pump housing, be provided with impeller in the pump chamber, the output shaft of said motor stretched through and extend in the pump chamber behind the dividing plate and above-mentioned impeller is connected on the output shaft of motor, it is characterized in that: described output shaft upper sleeve gasket is provided with two-sided mechanical seal structure, and described two-sided mechanical seal structure is at the dividing plate place and can make between dividing plate and the output shaft and be tightly connected.
In above-mentioned a kind of water pump, described two-sided mechanical seal structure comprises two moving ring assemblies and a spring, and described two moving ring assemblies are connected to the two ends of spring.
In above-mentioned a kind of water pump, connect by washer sealing between described dividing plate and the pump housing.
In above-mentioned a kind of water pump, described motor be installed in the pump housing directly over.
In above-mentioned a kind of water pump, the plastic casing that is cuboid is installed also on the described pump housing.
In above-mentioned a kind of water pump, pressurized tank also is installed on the described plastic casing, above-mentioned motor is positioned at pressurized tank.
Compared with prior art, good airproof performance between its pump housing of this water pump and the motor, simple in structure, wear-resisting, long service life.
Description of drawings
Fig. 1 is sectional view of the present utility model.
Fig. 2 is the structural representation of two-sided mechanical seal structure in the utility model.
Among the figure, 1, motor; 2, the pump housing; 3, dividing plate; 4, pump chamber; 5, intake tunnel; 6, exhalant canal; 7, impeller; 8, output shaft; 9, two-sided mechanical seal structure; 91, moving ring assembly; 92, spring; 10, packing ring; 11, plastic casing; 12, pressurized tank.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As illustrated in fig. 1 and 2, this water pump comprises motor 1, the pump housing 2 and the dividing plate 3 between motor 1 and the pump housing 2, form pump chamber 4 between dividing plate 3 and the pump housing 2, have the intake tunnel 5 and the exhalant canal 6 that are communicated with pump chamber 4 on the pump housing 2, be provided with impeller 7 in the pump chamber 4, the output shaft 8 of motor 1 stretched through and extend in the pump chamber 4 behind the dividing plate 3 and above-mentioned impeller 7 is connected on the output shaft 8 of motor 1, output shaft 8 upper sleeve gaskets are provided with two-sided mechanical seal structure 9, two-sided mechanical seal structure 9 dividing plate 3 places and can make dividing plate 3 and output shaft 8 between be tightly connected.
Further, two-sided mechanical seal structure 9 comprises that two moving ring assemblies 91 and 92, two moving ring assemblies 91 of a spring are connected to the two ends of spring 92.Two-sided mechanical seal structure is 9 wear-resisting, long service life and good sealing effect.
Further, be tightly connected by packing ring 10 between the dividing plate in the present embodiment 3 and the pump housing 2.
Further, motor 1 be installed in the pump housing 2 directly over, the plastic casing 11 that is cuboid also is installed on the pump housing 2, pressurized tank 12 also is installed on the plastic casing 11, motor 1 is positioned at pressurized tank 12.The pump housing 2 part seem more square-folded in appearance, and transportation, carrying are all very convenient, simultaneously better appearance also.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (6)
1. water pump, comprise motor (1), the pump housing (2) and be positioned at motor (1) and the pump housing (2) between dividing plate (3), form pump chamber (4) between described dividing plate (3) and the pump housing (2), have the intake tunnel (5) and the exhalant canal (6) that are communicated with pump chamber (4) on the pump housing (2), be provided with impeller (7) in the pump chamber (4), the output shaft (8) of said motor (1) stretched through and extend in the pump chamber (4) behind the dividing plate (3) and above-mentioned impeller (7) is connected on the output shaft (8) of motor (1), it is characterized in that: described output shaft (8) upper sleeve gasket is provided with two-sided mechanical seal structure (9), and described two-sided mechanical seal structure (9) is positioned at dividing plate (3) and locates and can make between dividing plate (3) and the output shaft (8) and be tightly connected.
2. a kind of water pump according to claim 1, it is characterized in that, described two-sided mechanical seal structure (9) comprises two moving ring assemblies (91) and a spring (92), and described two moving ring assemblies (91) are connected to the two ends of spring (92).
3. a kind of water pump according to claim 2 is characterized in that, is tightly connected by packing ring (10) between described dividing plate (3) and the pump housing (2).
4. according to claim 1 and 2 or 3 described a kind of water pumps, it is characterized in that, described motor (1) be installed in the pump housing (2) directly over.
5. a kind of water pump according to claim 4 is characterized in that, the plastic casing (11) that is cuboid also is installed on the described pump housing (2).
6. a kind of water pump according to claim 5 is characterized in that, pressurized tank (12) also is installed on the described plastic casing (11), and above-mentioned motor (1) is positioned at pressurized tank (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220183464 CN202659518U (en) | 2012-04-17 | 2012-04-17 | Water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220183464 CN202659518U (en) | 2012-04-17 | 2012-04-17 | Water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202659518U true CN202659518U (en) | 2013-01-09 |
Family
ID=47454427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220183464 Expired - Fee Related CN202659518U (en) | 2012-04-17 | 2012-04-17 | Water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202659518U (en) |
-
2012
- 2012-04-17 CN CN 201220183464 patent/CN202659518U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20180417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |