CN205401256U - Vibration/noise reduction formula water pump - Google Patents
Vibration/noise reduction formula water pump Download PDFInfo
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- CN205401256U CN205401256U CN201620192545.1U CN201620192545U CN205401256U CN 205401256 U CN205401256 U CN 205401256U CN 201620192545 U CN201620192545 U CN 201620192545U CN 205401256 U CN205401256 U CN 205401256U
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- ring
- vibration damping
- water pump
- noise reduction
- damping sheet
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Abstract
The utility model relates to a vibration/noise reduction formula water pump, including the pump body, set up the power shaft in the pump body, the cover is equipped with the water seal on the power shaft, the water seal includes the quiet of interconnect and rotating ring, quiet ring includes inner tube and urceolus, is formed with annular cavity between the inner tube of quiet ring and the urceolus, is provided with on the ring body dampening ring that even interval was provided with the shock attenuation piece in the annular cavity, the shock attenuation piece is for to have elastic ARC structure to the internal contraction. The utility model discloses a set up dampening ring in the annular cavity on quiet ring, dampening ring is last to be provided with even interval and to be provided with and to have elastic shock attenuation piece, and the shock attenuation piece is the cambered surface to the internal contraction, and dampening ring sets up effective frequency of shoc between quiet ring and the rotating ring that has weakened, and then has reduced noise pollution.
Description
Technical field
This utility model relates to auto pump field, in particular it relates to a kind of damping noise reduction formula water pump.
Background technology
Water pump is conveying liquid or the machinery making fluid pressurization.It sends the mechanical energy of prime mover and other external energy to liquid, the energy making liquid increases, the liquid being mainly used to conveying includes water, oil, acid & alkali liquid, emulsion and liquid metal etc., it is possible to the mixture of conveying liquids and gases and the liquid containing suspended solid.The parameter weighing water pump performance has flow, inhales journey, lift, shaft power, water-horse power, efficiency etc.；The type such as volume water pump, blade water pump can be divided into according to different operation principles.Volume water pump is that the change utilizing its swept volume of a single chamber is to transmit energy；Blade water pump is to utilize the rotary vane interaction with water to transmit energy, has the types such as centrifugal pump, axial-flow pump and mixed-flow pump.
The operation principle of blade water pump is that after starting water pump, impeller high speed rotating makes the liquid in impeller conduit flow to spiral case, by iterative cycles, gradually the air in the pump housing is drained formation vacuum, makes liquid enter in the pump housing.Because work process needs evacuation, must sealing between line shaft and the pump housing that in the pump housing, impeller rotates so putting in, sealing herein is called that water seal, water seal include stationary ring and rotating ring.The water seal of existing water pump operationally phase mutual friction vibrations between stationary ring with rotating ring, the noise that vibration frequency causes is bigger.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of damping noise reduction formula water pump, to overcome the water seal operationally phase mutual friction between stationary ring with rotating ring of existing water pump, and the problem that noise that vibration frequency causes is bigger.
The technical scheme in the invention for solving the above technical problem is: a kind of damping noise reduction formula water pump, including the pump housing, the line shaft being arranged in the pump housing, line shaft is arranged with water seal, water seal includes interconnective stationary ring and rotating ring, stationary ring includes inner core and urceolus, being formed with annular cavity between inner core and the urceolus of stationary ring, be provided with on ring body uniform intervals and be provided with the shock ring of vibration damping sheet in annular cavity, vibration damping sheet is for have elastic globoidal structure to contract.nullIn prior art，When line shaft rotates，Inevitably rub between rotating ring and stationary ring，Produce vibration frequency，Because occurring the vibration frequency that friction causes to not only result in the sealing property inefficacy of rotating ring and the abrasion even water seal of stationary ring between rotating ring and stationary ring，And bigger noise pollution can be produced，This utility model is adopting the water seal of particular design，Under the premise of the profile and working depth that do not change water seal，Shock ring is increased in the annular cavity formed between inner core and the urceolus of stationary ring in generally general water seal，Ring body on shock ring can well embed annular cavity，Shock ring is made to be fixed in annular cavity，The vibration damping sheet arranged on ring body has certain elasticity，Elastic vibration damping sheet when being squeezed with regard to certain buffer capacity，Therefore when pump working，Vibration frequency between stationary ring and rotating ring weakens because being arranged in annular cavity to have elastic vibration damping sheet，Reduce noise pollution to a certain extent；And, vibration damping sheet is the cambered surface to contract, thus vibration damping sheet is not the whole inner core being fitted in stationary ring and urceolus, but respectively through the end of cambered surface, the back of cambered surface contacts with urceolus with the inner core of stationary ring, not only reduce the inner core of vibration damping sheet and stationary ring and the contact area of urceolus and globoidal structure can increase the buffer capacity of vibration damping sheet, further weaken the noise pollution that vibration frequency causes, so, this utility model is by arranging shock ring in the annular cavity on stationary ring, shock ring is provided with uniform intervals be provided with there is elastic vibration damping sheet, and vibration damping sheet is the cambered surface to contract, shock ring the vibration frequency effectively reducing between stationary ring and rotating ring is set, and then reduce noise pollution；So, this utility model overcomes the water seal operationally phase mutual friction between stationary ring with rotating ring of existing water pump, the problem that noise that vibration frequency causes is bigger.
Further, the top of vibration damping sheet curves inwardly formation curved surface.The setting of curved surface makes vibration damping sheet become the contact of line face with the plane-plane contact that contacted of stationary ring inner core, can effectively reduce the contact area of vibration damping sheet and stationary ring inner core, it is to avoid because of the impaired problem that rubs that contact causes.
Further, the flexibility of curved surface is 120 ° to 150 °.The flexibility of curved surface specifically refers to the flexibility of curved surface and vibration damping sheet transition position, if the flexibility of curved surface is too little, can cause that curved surface is less with the deformation power of the transition position of vibration damping sheet, what be easily caused curved surface is lost efficacy, if if the flexibility of curved surface is too big, then curved surface does not have the effect of the contact area reduced between vibration damping sheet and stationary ring, the flexibility of curved surface is set to 120 ° to 150 °, both can ensure that the deformation power of curved surface and the transition position of vibration damping sheet, can ensure that again the effect playing the contact area reduced between vibration damping sheet and stationary ring.
Further, curved surface with the sagittal plane of ring body be perspective plane upright projection distance consistent with the width of annular cavity.Apart from excessive, the upright projection avoiding curved surface causes that whole shock ring not easily embeds in annular cavity, if too small, cause that the cushioning effect of curved surface is less.
Further, the junction arc transition of vibration damping sheet and ring body.The mode of arc transition makes the junction of vibration damping sheet and ring body have bigger deformation power, occur in the process of vibrations at vibration damping sheet, owing to the arc transition between vibration damping sheet and ring body has bigger deformation power, so, add the fastness of vibration damping sheet and ring body junction, so that the structure etc. of shock ring is stablized really.
Further, shock ring adopts and has elastic sheet metal and make.Having elastic sheet metal is prior art material, has certain elasticity, not only can ensure that the cushioning effect of shock ring, and sheet metal processing technology is simple, have good metal fatigue resistance, service life is better, it is preferable that metal aluminium flake.
To sum up, the beneficial effects of the utility model are:
1, this utility model is by arranging shock ring in the annular cavity on stationary ring, shock ring is provided with uniform intervals be provided with there is elastic vibration damping sheet, and vibration damping sheet is the cambered surface to contract, shock ring the vibration frequency effectively reducing between stationary ring and rotating ring is set, and then reduce noise pollution.
2, this utility model by by evenly spaced for vibration damping sheet being arranged on ring body, vibration damping sheet is globoidal structure, the end of vibration damping sheet is set to the curved surface that caves inward, reduce the contact area between vibration damping sheet and stationary ring inner/outer tube, not only avoid the abrasion because contact causes, and further add the cushioning effect of shock ring, reduce noise.
3, this utility model is by being set to arc transition by the junction of vibration damping sheet Yu ring body, arc transition obtains the junction of vibration damping sheet and ring body and has bigger deformation power, add the fastness of vibration damping sheet and ring body junction, so that the structure etc. of shock ring is stablized really.
4, this utility model is set to 120 ° to 150 ° by the flexibility of curved surface, both can ensure that the deformation power of curved surface and the transition position of vibration damping sheet, can ensure that again the effect playing the contact area reduced between vibration damping sheet and stationary ring.
Accompanying drawing explanation
Fig. 1 is the part sectioned view of water pump；
Fig. 2 is the profile of water seal；
Fig. 3 is the structural representation of shock ring.
Labelling and corresponding parts title in accompanying drawing:
1 pump housing；2 line shafts；3 water seals；4 shock rings；31 urceolus；32 rotating rings；33 inner cores；41 ring bodies；42 vibration damping sheets.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, this utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment:
nullAs shown in Figure 1 to Figure 3，A kind of damping noise reduction formula water pump，Including the pump housing 1、It is arranged on the line shaft 2 in the pump housing 1，Sheathed water seal 3 on line shaft 2，Water seal 3 includes interconnective stationary ring and rotating ring 32，Stationary ring includes inner core 33 and urceolus 31，It is formed with annular cavity between inner core 33 and the urceolus 31 of stationary ring，Being provided with on ring body 41 uniform intervals in annular cavity is provided with the shock ring 4 of vibration damping sheet 42，The junction arc transition of vibration damping sheet 42 and ring body 41，Vibration damping sheet 42 is for have elastic globoidal structure to contract，The top of vibration damping sheet 42 curves inwardly formation curved surface，The flexibility of curved surface is 120 ° to 150 °，The upright projection distance that curved surface is perspective plane with the sagittal plane of ring body 41 is consistent with the width of annular cavity，Shock ring 4 employing has elastic sheet metal and makes.
Operation principle of the present utility model: when line shaft 2 rotates, there is relative movement in rotating ring 32, rotating ring 32 starts the elastic construction extruded bottom it and contacts friction with the inner core 33 of stationary ring, owing to vibration frequency makes a noise, this utility model by being provided with the shock ring 4 with vibration damping sheet 42 in annular cavity, vibration damping sheet 42 has elasticity, vibration frequency can be effectively reduced, and then reduction noise, and the contact area being disposed in an evenly spaced relation on ring body 41, reducing between vibration damping sheet 42 and rotating ring 32 and stationary ring due to vibration damping sheet 42；Vibration damping sheet 42 is the cambered surface to contract, reduces the contact area between vibration damping sheet and rotating ring 32；The top of vibration damping sheet 42 curves inwardly formation curved surface, reduce the contact area between vibration damping sheet 42 and stationary ring, not only less contact area between the inner core 33 of vibration damping sheet 42 and stationary ring, urceolus 31, and further reduce vibration frequency, noise-decreasing pollutes.
As it has been described above, this utility model can be realized preferably.
Claims (6)
1. a damping noise reduction formula water pump, including the pump housing (1), the line shaft (2) that is arranged in the pump housing (1), line shaft (2) is arranged with water seal (3), water seal (3) includes interconnective stationary ring and rotating ring (32), stationary ring includes inner core (33) and urceolus (31), it is formed with annular cavity between inner core (33) and the urceolus (31) of stationary ring, it is characterized in that, being provided with the shock ring (4) being provided with vibration damping sheet (42) at the upper uniform intervals of ring body (41) in described annular cavity, vibration damping sheet (42) is for have elastic globoidal structure to contract.
2. a kind of damping noise reduction formula water pump according to claim 1, it is characterised in that the top of described vibration damping sheet (42) curves inwardly formation curved surface.
3. a kind of damping noise reduction formula water pump according to claim 2, it is characterised in that the flexibility of described curved surface is 120 ° to 150 °.
4. a kind of damping noise reduction formula water pump according to Claims 2 or 3, it is characterised in that the upright projection distance that described curved surface is perspective plane with the sagittal plane of ring body (41) is consistent with the width of annular cavity.
5. according to the arbitrary described a kind of damping noise reduction formula water pump of claims 1 to 3, it is characterised in that the junction arc transition of described vibration damping sheet (42) and ring body (41).
6. a kind of damping noise reduction formula water pump according to claim 1, it is characterised in that described shock ring (4) employing has elastic sheet metal and makes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620192545.1U CN205401256U (en) | 2016-03-14 | 2016-03-14 | Vibration/noise reduction formula water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620192545.1U CN205401256U (en) | 2016-03-14 | 2016-03-14 | Vibration/noise reduction formula water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205401256U true CN205401256U (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620192545.1U Active CN205401256U (en) | 2016-03-14 | 2016-03-14 | Vibration/noise reduction formula water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205401256U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438450A (en) * | 2016-11-14 | 2017-02-22 | 嘉科（安徽）密封技术有限公司 | High-pressure-resistant water seal for automobile water pump |
| CN106523440A (en) * | 2016-11-14 | 2017-03-22 | 嘉科（安徽）密封技术有限公司 | Noise reduction type water seal for automobile water pump |
-
2016
- 2016-03-14 CN CN201620192545.1U patent/CN205401256U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438450A (en) * | 2016-11-14 | 2017-02-22 | 嘉科（安徽）密封技术有限公司 | High-pressure-resistant water seal for automobile water pump |
| CN106523440A (en) * | 2016-11-14 | 2017-03-22 | 嘉科（安徽）密封技术有限公司 | Noise reduction type water seal for automobile water pump |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |