CN208749591U - A kind of pump housing that noise reduction is wear-resisting - Google Patents
A kind of pump housing that noise reduction is wear-resisting Download PDFInfo
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- CN208749591U CN208749591U CN201821496916.0U CN201821496916U CN208749591U CN 208749591 U CN208749591 U CN 208749591U CN 201821496916 U CN201821496916 U CN 201821496916U CN 208749591 U CN208749591 U CN 208749591U
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- pump housing
- noise reduction
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Abstract
The utility model relates to a kind of pump housings that noise reduction is wear-resisting, comprising: shell, the water inlet for being set to the water outlet of case top and being set to shell side；The spiral case cavity for accommodating impeller rotation is provided in the shell, the outer end ring-shaped cavity of the spiral case cavity is the Pear-Shaped flow channel for liquids body that an axial cross section is gradual change；Wherein the Pear-Shaped flow channel for liquids body positioned at water inlet side is connected with the water inlet with two stepwise step transitions, forms liquid communication road junction；2 opposite semi-circular pipelines of opening are provided on the inside of the water inlet；And the outer circle of 2 semi-circular pipelines passes through pressure spring respectively and is connected and fixed with water inlet inner wall；It is suitable for carrying out the variation of elastic opening along water inlet inner wall.The small pyramid type pipeline of outer small imperial palace is formed by 2 semi-circular wear-resistant pipes, so that reducing liquid into the intracorporal liquid tasselled decline of shell and quickly flowing into the impact caused by shell in shell, to reduce the noise of the pump housing, improve wearability.
Description
Technical field
The utility model relates to water pump accessory technical fields, in particular to a kind of pump housing that noise reduction is wear-resisting.
Background technique
The pump housing is the key fitment of water pump, and blade is equipped in the pump housing, is then connected to motor by connector, and motor turns
Dynamic band movable vane piece rotates, to be inhaled and be arranged to liquid.
The length of pump housing runing time directly determines the service life of water pump.Water pump during the work time, due to blade
High speed rotation is driven by motor, is sucked liquid from the water inlet of water pump to generate suction or negative pressure, then through in the pump housing
Liquid is discharged into the water outlet of the pump housing after runner.Due to larger suction, cause liquid when entering water inlet to water inlet
Biggish impact force is caused, there is in partially liq more impurity, especially iron filings class impurity in addition, so that being located at pump housing import
The inner walls at place are easily damaged and noise is big；Furthermore when blade high speed rotation in shell, by liquid inside into
The high speed of row centrifugal force is thrown, so that liquid is also easy to produce loud noise and abrasion to the position of installation blade inner cavity, seriously
The bulk life time and use environment for influencing the pump housing, need to improve.
Utility model content
The purpose of the utility model is to provide a kind of pump housings that noise reduction is wear-resisting, to solve the above problems.
To achieve the goals above, the utility model embodiment the technical solution adopted is as follows:
The utility model embodiment provides a kind of pump housing that noise reduction is wear-resisting, comprising:
Shell, the water outlet for being set to case top and the water inlet for being set to shell side；
The spiral case cavity for accommodating impeller rotation is provided in the shell, the outer end ring-shaped cavity of the spiral case cavity is an axis
It is the Pear-Shaped flow channel for liquids body of gradual change to section；Wherein the Pear-Shaped flow channel for liquids body positioned at water inlet side and the water inlet
Mouth is connected with two stepwise step transitions, forms liquid communication road junction；
2 opposite semi-circular wear-resistant pipes of opening are provided on the inside of the water inlet；And 2 semi-circular wear-resistant pipes is outer
Circle is connected and fixed by pressure spring and water inlet inner wall respectively；It is suitable for carrying out the variation of elastic opening along water inlet inner wall.
Preferably, the radius of 2 semi-circular pipe wear-resistant pipes is adopted as the gradually smaller structure of ecto-entad, combination
At the small pyramid type pipeline of outer imperial palace.
Preferably, the Pear-Shaped flow channel for liquids body is provided with arc web plate compared with the position of major lumen.
Preferably, the arc web plate uses the magnetic material with adsorption magnet to be process.
Preferably, being provided with into two support shafts that eight minor structures are laid below the arc web plate.
Preferably, being provided with spring fixed hole in the support shaft, top is installed in the spring fixed hole and is connected
Connect the tension spring of arc web plate.
Compared with the existing technology, the utility model embodiment has the advantages that
The utility model embodiment provides a kind of pump housing that noise reduction is wear-resisting, and resistance to wear away is arranged by the water inlet in the pump housing
2 semi-circular pipe wear-resistant pipes of shake, alleviate the abrasion into the impact force of pump body liquid and to pump housing water inlet；Pass through
Arc web plate is installed in the Pear-Shaped flow channel for liquids body of installation blade, when its internal liquid is taken up high speed rotation by blade,
Liquid is fallen on arc web plate, arc web plate can the intracorporal iron impuritiess of adsorption liquid, and can be buffered by tension spring,
It protects housing cavity at blade not to be worn and reduce interior noise, improves the service life of the pump housing.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 shows the wear-resisting pump housing cross-sectional view of kind of noise reduction provided by the utility model embodiment.
Fig. 2 is semi-circular 2 cross-sectional structure schematic diagram of wear-resistant pipe in Fig. 1.
Fig. 3 shows enlarged drawing at the A of Fig. 1.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
Embodiment
Referring to Fig. 1, the utility model embodiment provides a kind of pump housing that noise reduction is wear-resisting, comprising:
Shell 100, the water outlet 110 for being set to 100 top of shell and the water inlet 120 for being set to 100 side of shell；Shell
The spiral case cavity 130 for accommodating impeller rotation is provided in body 100, the outer end ring-shaped cavity of the spiral case cavity 130 is one axial section
Face is the Pear-Shaped flow channel for liquids body 140 of gradual change；Wherein the Pear-Shaped flow channel for liquids body 140 positioned at 120 side of water inlet and institute
It states water inlet 120 to connect with two stepwise step transitions, forms liquid communication road junction 150.
It please refers to shown in Fig. 2.2 opposite semi-circular wear-resistant pipes 2 of opening are provided on the inside of the water inlet 120；And 2
The outer circle of a semi-circular wear-resistant pipe 2 passes through pressure spring 4 respectively and is connected and fixed with 120 inner wall of water inlet；It is suitable for along water inlet 120
The variation of wall progress elastic opening；The radius of 2 semi-circular pipe wear-resistant pipes 2 is adopted as the gradually smaller structure of ecto-entad, group
Synthesize the small pyramid type pipeline 3 of outer imperial palace.When liquid diameter 120 sucks, liquid enters through pyramid type pipeline 3, when pressure is larger
When, 2 semi-circular pipe wear-resistant pipes 2 form buffering respectively by pressure spring 4 to extending out, and liquid is directly resistance to semi-circular pipe
It grinds pipe 2 to contact, to achieve the effect that wear resistant and noise reducing.
It please refers to shown in Fig. 3.In the present embodiment, the Pear-Shaped flow channel for liquids body 140 is provided with compared with the position of major lumen
Arc web plate 5, arc web plate 5 flow into Pear-Shaped flow channel for liquids body 140 using having the magnetic material of adsorption magnet to be process
Interior liquid is driven by blade to be formed high speed centrifugation and has got rid of, arc web plate 5 can the intracorporal iron impuritiess of adsorption liquid, prevent to shell
Internal wall causes to wear.
It is provided with into two support shafts 6 that eight minor structures are laid below the arc web plate 5, is provided in support shaft
Spring fixed hole is equipped with the tension spring 7 of top connection arc web plate 5 in the spring fixed hole, when liquid is thrown to arc net
When on plate 5, cushioning effect is played by the elasticity of tension spring 7, to form the effect of noise reduction again.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of pump housing that noise reduction is wear-resisting characterized by comprising
Shell, the water outlet for being set to case top and the water inlet for being set to shell side；
The spiral case cavity for accommodating impeller rotation is provided in the shell, the outer end ring-shaped cavity of the spiral case cavity is one axial section
Face is the Pear-Shaped flow channel for liquids body of gradual change；Wherein positioned at water inlet side Pear-Shaped flow channel for liquids body and the water inlet with
Two stepwise step transitions connect, and form liquid communication road junction；
2 opposite semi-circular wear-resistant pipes of opening are provided on the inside of the water inlet；And the outer circle of 2 semi-circular wear-resistant pipes point
It is not connected and fixed by pressure spring and water inlet inner wall；It is suitable for carrying out the variation of elastic opening along water inlet inner wall.
2. the wear-resisting pump housing of noise reduction according to claim 1, which is characterized in that
The radius of 2 semi-circular pipe wear-resistant pipes is adopted as the gradually smaller structure of ecto-entad, and it is small to be combined into outer imperial palace
Pyramid type pipeline.
3. the wear-resisting pump housing of noise reduction according to claim 1, which is characterized in that
The Pear-Shaped flow channel for liquids body is provided with arc web plate compared with the position of major lumen.
4. the wear-resisting pump housing of noise reduction according to claim 3, which is characterized in that
The arc web plate uses the magnetic material with adsorption magnet to be process.
5. the wear-resisting pump housing of noise reduction according to claim 3, which is characterized in that
Two support shafts that eight minor structures are laid are provided with into below the arc web plate.
6. the wear-resisting pump housing of noise reduction according to claim 5, which is characterized in that
It is provided with spring fixed hole in the support shaft, the drawing of top connection arc web plate is installed in the spring fixed hole
Spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821496916.0U CN208749591U (en) | 2018-09-12 | 2018-09-12 | A kind of pump housing that noise reduction is wear-resisting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821496916.0U CN208749591U (en) | 2018-09-12 | 2018-09-12 | A kind of pump housing that noise reduction is wear-resisting |
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| Publication Number | Publication Date |
|---|---|
| CN208749591U true CN208749591U (en) | 2019-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821496916.0U Active CN208749591U (en) | 2018-09-12 | 2018-09-12 | A kind of pump housing that noise reduction is wear-resisting |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727805A (en) * | 2021-02-04 | 2021-04-30 | 嘉利特荏原泵业有限公司 | Suction structure of double-shell radial subdivision multistage centrifugal pump and design method thereof |
| CN113069617A (en) * | 2020-01-06 | 2021-07-06 | 崔艳欣 | Clinical multi-head reinforced gastric lavage device for digestive system department |
-
2018
- 2018-09-12 CN CN201821496916.0U patent/CN208749591U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113069617A (en) * | 2020-01-06 | 2021-07-06 | 崔艳欣 | Clinical multi-head reinforced gastric lavage device for digestive system department |
| CN112727805A (en) * | 2021-02-04 | 2021-04-30 | 嘉利特荏原泵业有限公司 | Suction structure of double-shell radial subdivision multistage centrifugal pump and design method thereof |
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