CN201554641U - Freeze-proof water pump - Google Patents
Freeze-proof water pump Download PDFInfo
- Publication number
- CN201554641U CN201554641U CN2009202740857U CN200920274085U CN201554641U CN 201554641 U CN201554641 U CN 201554641U CN 2009202740857 U CN2009202740857 U CN 2009202740857U CN 200920274085 U CN200920274085 U CN 200920274085U CN 201554641 U CN201554641 U CN 201554641U
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- water
- capping
- pump housing
- level pressure
- bursting
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Abstract
The utility model belongs to the technical field of water pump, in particular relates to a freeze-proof water pump. The freeze-proof water pump comprises a motor and a pump body with a water inlet cavity and a water outlet cavity; a freeze-proof device is arranged on the pump body wall capable of storing water; the water pump can be prevented from being frozen by way of different freeze-proof methods, short service life and limited application occasions of the water pump caused by frost damage of the water pump under low-temperature environment can be effectively prevented; the structure of the freeze-proof device is simple, the realization is convenient, and the water pump is suitable for the use under the work environments with cold climatic conditions or the temperature below the freezing point.
Description
Technical field:
The utility model belongs to the pump technology field, refers in particular to a kind of frost crack prevention water pump.
Background technique:
Usually promoting liquid, carrying liquid or make the liquid boost pressure, thereby promptly the mechanical energy of prime mover being become liquid energy reaches the machine of pumping the liquid purpose and is referred to as pump, the scope of the different purposes of pump, different conveying liquid mediums, different flow, lift, the pump structure pattern is also different certainly, and material is also different.At present, pump is widely used in town water supply, foul sewer system, building, building system, agricultural water conservancy system, electric power station system, chemical system, petroleum industry system, mine metallurgical system, light industry system, marine system.And the water storage cavity of existing water pump is generally sealing state, is below the freezing point when following at the weather conditions of cold or operating ambient temperature, and the anti-bursting by freezing problem of water pump can not be ignored.The easy freezing and expansion of the water capacity in the water storage cavity of water pump and produce huge stress, in order to discharge the stress of generation, then can produce bigger extruding to position weak on the pump housing easily, thereby cause freezing of the pump housing to break, influence the working life of water pump, limited the using scope of water pump.
Summary of the invention:
The purpose of this utility model provide a kind of simple in structure, realize water pump convenient, that can effectively prevent bursting by freezing.
The utility model is achieved in that
Frost crack prevention water pump mainly includes: the motor and the pump housing that comprises water-inlet cavity and water chamber, but the pump housing wall of water is provided with anti-bursting by freezing device.
Above-mentioned anti-bursting by freezing device is the anti-bursting by freezing device of level pressure blasting type or the anti-bursting by freezing device of spring-loaded plunger formula or its combination.
The anti-bursting by freezing device of above-mentioned level pressure blasting type is: the plug screw cock body is provided with and cock body all-in-one-piece or the independent level pressure explosion capping of sealing and fixing on cock body, the water filling plug cock body is provided with and cock body all-in-one-piece or the independent level pressure explosion capping of sealing and fixing on cock body, described level pressure explosion capping can be provided with arbitrary position of plug screw cock body or water filling plug cock body inner cylindrical surface, and the circumference of level pressure explosion capping capping is provided with groove, and the diameter of groove is consistent with plug screw cock body or water filling plug cock body endoporus aperture.
The anti-bursting by freezing device of above-mentioned level pressure blasting type is: the inner cylindrical surface of hollow cylinder is provided with and can be integral with cylinder or the independent level pressure explosion capping of sealing and fixing on cylinder, described level pressure explosion capping can be arranged on the arbitrary position on the inner cylindrical surface of hollow cylinder, and the circumference of level pressure explosion capping capping is provided with groove, and the diameter of groove is consistent with hollow cylinder endoporus aperture.
The anti-bursting by freezing device of above-mentioned level pressure blasting type is: the safety pressure of the tube wall of the water pipe jointing of pump housing water intake and water outlet is less than the safety pressure of pump housing wall.
The anti-bursting by freezing device of above-mentioned spring-loaded plunger formula is:
The upper end of spring is fixed in the endoporus of hollow cylinder, and is provided with the cover plate that can seal with the inner cylindrical surface of hollow cylinder in the lower end of spring, the cylndrical surface of described hollow cylinder is provided with plurality of rows ice/weep hole;
Or the pad that is arranged on the top in the hole on the pump housing is provided with cover plate, and described cover plate, pad pass through the screw of band spring on the pump housing;
Or the pad that is arranged on the top in the hole on the pump housing is provided with cover plate, and described cover plate one side is hinged on the pump housing, and opposite side passes through the screw of band spring on the pump housing;
Or the pad that is arranged on the top in the hole on the pump housing is provided with cover plate, and cover plate is provided with the pagoda spring device, and the pagoda spring of pagoda spring device is arranged in the supporting frame, and pagoda spring is regulated by adjusting screw.
The safety pressure of above-mentioned level pressure explosion capping is less than the safety pressure of pump housing wall.
Above-mentioned pad is a sheet rubber.
The outstanding compared to existing technology advantage of the utility model is:
1, the utility model can be realized the anti-bursting by freezing of water pump by different anti-bursting by freezing modes, can prevent effectively that water pump is damaged by frost under low temperature environment and causes the restriction of short and field of employment in working life of water pump;
2, anti-bursting by freezing apparatus structure of the present utility model is simple, and it is convenient to realize;
3, the utility model is suitable for the use following working environment under that is below the freezing point of cold weather conditions or temperature.
Description of drawings:
Fig. 1 be the utility model embodiment 1 adopt anti-bursting by freezing the water pipe jointing structural representation;
Fig. 2 is the utility model embodiment 1 is provided with level pressure explosion capping on plug screw, water filling plug a cross-sectional view;
Fig. 3 is the A portion enlarged diagram of Fig. 2;
Fig. 4 is the generalized section of the hollow cylinder of the utility model embodiment 1 band level pressure explosion capping;
Fig. 5 is the B portion enlarged diagram of Fig. 4;
Fig. 6 is the utility model embodiment 1 is provided with the hollow cylinder of band level pressure explosion capping on pump housing wall a structural representation;
Fig. 7 is one of generalized section of the anti-bursting by freezing device of the utility model embodiment 2 spring-loaded plunger formulas;
Fig. 8 be the anti-bursting by freezing device of the utility model embodiment 2 spring-loaded plunger formulas generalized section two;
Fig. 9 be the anti-bursting by freezing device of the utility model embodiment 2 spring-loaded plunger formulas generalized section three;
Figure 10 is the C portion enlarged diagram of Fig. 9;
Figure 11 be the anti-bursting by freezing device of the utility model embodiment 2 spring-loaded plunger formulas generalized section four.
Figure 12 is the schematic representation of the supporting frame of pagoda spring device of the present utility model.
Embodiment:
With specific embodiment the utility model is further described below,
Embodiment 1: adopt the anti-bursting by freezing device of level pressure blasting type, referring to Fig. 1-6:
Frost crack prevention water pump mainly includes: the motor 30 and the pump housing that comprises water-inlet cavity 20 and water chamber 10, but the pump housing wall of water is provided with the anti-bursting by freezing device of level pressure blasting type.
Referring to Fig. 2-3: the anti-bursting by freezing device of above-mentioned level pressure blasting type can be: plug screw cock body 201 is provided with and cock body 201 all-in-one-pieces or the level pressure explosion capping 2011 of sealing and fixing on cock body 201 separately, water filling plug cock body 101 is provided with and cock body 101 all-in-one-pieces or the independent level pressure explosion capping 1011 of sealing and fixing on cock body 101, described level pressure explosion capping 2011,1011 can be arranged on arbitrary position of plug screw cock body 201 or water filling plug cock body 101 endoporus, and level pressure explosion capping capping 2011, be provided with groove 2012 on 1011 the circumference, 1012, groove 2012,1012 diameter is consistent with plug screw cock body 201 or water filling plug cock body 101 endoporus apertures;
Referring to Fig. 4-6: also can be: the inner cylindrical surface of hollow cylinder be provided with and can be integral with cylinder 401 or the level pressure explosion capping 402 of sealing and fixing on cylinder 401 separately, described level pressure explosion capping 402 can be arranged on arbitrary position of the endoporus of hollow cylinder, and the circumference of level pressure explosion capping 402 is provided with groove, and the diameter of groove is consistent with hollow cylinder endoporus aperture;
Referring to Fig. 1: also can be: the water intake of the pump housing and water outlet be provided with the water pipe jointing 202,102 of anti-bursting by freezing, anti-bursting by freezing the safety pressure of tube wall of water pipe jointing 202,102 be less than the safety pressure of pump housing wall.
The safety pressure of above-mentioned level pressure explosion capping 2011,1011,402 is less than the safety pressure of pump housing wall.
But the pump housing wall of present embodiment water is provided with the anti-bursting by freezing device of level pressure blasting type, freezing and expansion produces huge stress when the water in the water storage cavity is following because of being below the freezing point at the weather conditions of cold or operating ambient temperature, the stress that produces can be by extruding water pipe jointing tube wall or discharge or discharge by squeezing broken level pressure explosion capping, prevented that effectively water pump is by bursting by freezing.
Embodiment 2: adopt the anti-bursting by freezing device of spring-loaded plunger formula: referring to Fig. 7-11:
Frost crack prevention water pump mainly includes: motor 30 and comprise the pump housing of water-inlet cavity 20 and water chamber 10, but the anti-bursting by freezing device of spring-loaded plunger formula is set on the pump housing wall of water.
Referring to Fig. 7: the anti-bursting by freezing device of above-mentioned spring-loaded plunger formula is: the upper end of spring 502 is fixed in the endoporus of hollow cylinder 501, and be provided with in the lower end of spring 502 can with the capping 503 of the inner cylindrical surface sealing of hollow cylinder 501, the cylndrical surface of hollow cylinder 501 is provided with plurality of rows ice/weep hole 504, described row's ice/weep hole 504 is arranged on outside the pump housing, the row's of can be used to ice or draining;
Referring to Fig. 8: also can be: the pad 601 that is arranged on the top in the hole on the pump housing be provided with cover plate 602, and described cover plate 602, pad 601 are fixed on the pump housing by the screw 604 of band spring 603;
Referring to Fig. 9-10: also can be: the pad 701 that is arranged on the top in the hole on the pump housing be provided with cover plate 702, and a side of described cover plate 702 is hinged on the pump housing by hinge 705, and opposite side is fixed on the pump housing by the screw 703 of band spring 704;
Referring to Figure 11-12: also can be: the pad 801 that is arranged on the top in the hole on the pump housing be provided with cover plate 802, cover plate is provided with pagoda spring device 803, the pagoda spring of pagoda spring device 803 is arranged in the supporting frame, pagoda spring 8031 is regulated by adjusting screw 8032, and the supporting frame 8033 of pagoda spring device is the cylindrical body that is surrounded by some columns;
Above-mentioned pad is sheet rubber.
But the pump housing wall of present embodiment water is provided with the anti-bursting by freezing device of spring-loaded plunger formula, when being below the freezing point when following in the water storage cavity at the weather conditions of cold or operating ambient temperature, because of freezing and expansion produces huge stress, the stress that produces can be by backing down the capping extrusion spring or backing down pad and the capping extrusion spring discharges, prevented water pump by bursting by freezing, behind the ice-out in the pump housing, cover plate can reset immediately, prevent water from running off, and can use repeatedly.
The utility model also can adopt the combination of situations different in the foregoing description to realize the anti-bursting by freezing effect of water pump according to actual conditions.
The utility model can be realized the anti-bursting by freezing of water pump by different anti-bursting by freezing modes, can prevent effectively that water pump is damaged by frost under low temperature environment and causes the restriction of short and field of employment in working life of water pump; Anti-bursting by freezing apparatus structure is simple, and it is convenient to realize; Be suitable for the use following working environment under that is below the freezing point of cold weather conditions or temperature.
The foregoing description only is one of preferred embodiment of the present utility model; be not to limit practical range of the present utility model with this; so: all equivalences of doing according to shape of the present utility model, structure, principle change, and all should be covered by within the protection domain of the present utility model.
Claims (8)
1. frost crack prevention water pump mainly includes: motor and comprise the pump housing of water-inlet cavity and water chamber is characterized in that: but the pump housing wall of water is provided with anti-bursting by freezing device.
2. frost crack prevention water pump according to claim 1 is characterized in that: described anti-bursting by freezing device is the anti-bursting by freezing device of level pressure blasting type or the anti-bursting by freezing device of spring-loaded plunger formula or its combination.
3. frost crack prevention water pump according to claim 1, it is characterized in that: the anti-bursting by freezing device of described level pressure blasting type is: the plug screw cock body is provided with and cock body all-in-one-piece or the independent level pressure explosion capping of sealing and fixing on cock body, the water filling plug cock body is provided with and cock body all-in-one-piece or the independent level pressure explosion capping of sealing and fixing on cock body, described level pressure explosion capping can be provided with arbitrary position of plug screw cock body or water filling plug cock body inner cylindrical surface, and the circumference of level pressure explosion capping capping is provided with groove, and the diameter of groove is consistent with plug screw cock body or water filling plug cock body endoporus aperture.
4. frost crack prevention water pump according to claim 1, it is characterized in that: the anti-bursting by freezing device of described level pressure blasting type is: the inner cylindrical surface of hollow cylinder is provided with and can be integral with cylinder or the independent level pressure explosion capping of sealing and fixing on cylinder, described level pressure explosion capping can be arranged on the arbitrary position on the inner cylindrical surface of hollow cylinder, and the circumference of level pressure explosion capping capping is provided with groove, and the diameter of groove is consistent with hollow cylinder endoporus aperture.
5. frost crack prevention water pump according to claim 1 is characterized in that: the anti-bursting by freezing device of described level pressure blasting type is: the safety pressure of the tube wall of the water pipe jointing of pump housing water intake and water outlet is less than the safety pressure of pump housing wall.
6. frost crack prevention water pump according to claim 1 is characterized in that: the anti-bursting by freezing device of described spring-loaded plunger formula is:
The upper end of spring is fixed in the endoporus of hollow cylinder, and is provided with the cover plate that can seal with the inner cylindrical surface of hollow cylinder in the lower end of spring, the cylndrical surface of described hollow cylinder is provided with plurality of rows ice/weep hole;
Or the pad that is arranged on the top in the hole on the pump housing is provided with cover plate, and described cover plate, pad pass through the screw of band spring on the pump housing;
Or the pad that is arranged on the top in the hole on the pump housing is provided with cover plate, and described cover plate one side is hinged on the pump housing, and opposite side passes through the screw of band spring on the pump housing;
Or the pad that is arranged on the top in the hole on the pump housing is provided with cover plate, and cover plate is provided with the pagoda spring device, and the pagoda spring of pagoda spring device is arranged in the supporting frame, and pagoda spring is regulated by adjusting screw.
7. according to claim 3 or 4 described frost crack prevention water pumps, it is characterized in that: the safety pressure of described level pressure explosion capping is less than the safety pressure of pump housing wall.
8. frost crack prevention water pump according to claim 6 is characterized in that: described pad is a sheet rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202740857U CN201554641U (en) | 2009-10-16 | 2009-11-24 | Freeze-proof water pump |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920189517.4 | 2009-10-16 | ||
| CN2009202740857U CN201554641U (en) | 2009-10-16 | 2009-11-24 | Freeze-proof water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201554641U true CN201554641U (en) | 2010-08-18 |
Family
ID=42614322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202740857U Expired - Fee Related CN201554641U (en) | 2009-10-16 | 2009-11-24 | Freeze-proof water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201554641U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758745A (en) * | 2014-01-08 | 2014-04-30 | 田锋 | Household water pump with freeze protection function |
| CN104295900A (en) * | 2014-08-20 | 2015-01-21 | 上海卫星装备研究所 | Liquid nitrogen pump nitrogen purging protection device and method |
| CN107939666A (en) * | 2017-11-27 | 2018-04-20 | 泗县金皖泵业有限公司 | A kind of anti-freezing water pump |
| CN108678943A (en) * | 2018-08-03 | 2018-10-19 | 台州市路桥高远日用金属制品厂 | A kind of frost crack proof device of water pump |
-
2009
- 2009-11-24 CN CN2009202740857U patent/CN201554641U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758745A (en) * | 2014-01-08 | 2014-04-30 | 田锋 | Household water pump with freeze protection function |
| CN104295900A (en) * | 2014-08-20 | 2015-01-21 | 上海卫星装备研究所 | Liquid nitrogen pump nitrogen purging protection device and method |
| CN104295900B (en) * | 2014-08-20 | 2017-03-22 | 上海卫星装备研究所 | Liquid nitrogen pump nitrogen purging protection device and method |
| CN107939666A (en) * | 2017-11-27 | 2018-04-20 | 泗县金皖泵业有限公司 | A kind of anti-freezing water pump |
| CN108678943A (en) * | 2018-08-03 | 2018-10-19 | 台州市路桥高远日用金属制品厂 | A kind of frost crack proof device of water pump |
| CN108678943B (en) * | 2018-08-03 | 2024-03-22 | 林立强 | Anti-frost crack device of water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20121124 |