CN205533202U - Beat positive displacement high -pressure pump impeller side plate structure - Google Patents
Beat positive displacement high -pressure pump impeller side plate structure Download PDFInfo
- Publication number
- CN205533202U CN205533202U CN201620372589.2U CN201620372589U CN205533202U CN 205533202 U CN205533202 U CN 205533202U CN 201620372589 U CN201620372589 U CN 201620372589U CN 205533202 U CN205533202 U CN 205533202U
- Authority
- CN
- China
- Prior art keywords
- side plate
- plate body
- positive displacement
- pressure pump
- curb 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
Links
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 15
- 230000000694 effects Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 abstract 4
- 238000010992 reflux Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a beat positive displacement high -pressure pump impeller side plate structure, including the curb plate body, be equipped with the shaft hole at curb plate body center, be equipped with the arc recess along the circumferencial direction on a curb plate body side end face, be equipped with L type pore on the curb plate body, its entry lies in curb plate body outer fringe and passes through I intercommunication of U type opening with curb plate body opposite side, its export lies in the arc recess and is close to arc recess one end, be close to L type pore exit and be equipped with elastic retain tablet in the arc recess, elastic retain tablet with L type pore export bill to closed be equipped with the annular groove on the curb plate body side end face. The beneficial effects are that: can make positive displacement high -pressure pump during operation pass through L type pore at the highly pressurised liquid that high nip formed and form the backpressure district in getting into the arc recess, can avoid entering into the highly pressurised liquid backward flow in the arc recess through elastic retain tablet, make this curb plate hug closely in the rotor both sides, consequently sealed effectual, can effectively improve the pressure and the lift of water pump.
Description
Technical field
This utility model relates to a kind of high-pressure pump accessory, particularly to a kind of beat positive displacement high-pressure pump impeller side plate structure.
Background technology
It is known that, volume type rotor pump is made up of the rotor of static pump case and rotation, it does not has inlet valve and dump valve, energy is directly acted on liquid with static pressure form by the side contacted with liquid by the rotor in the pump housing, and borrow the squeezing action drain of rotor, simultaneously at opposite side slot milling, form low pressure, make liquid suck continuously.
Can produce certain pressure owing to entering after the liquid in volume type rotor pump is extruded, therefore the rotor in the pump housing is respectively provided on two sides with side plate.As the utility model patent of Publication No. CN202203109 U discloses a kind of double-shaft seal transfiguration water pump, it is positioned at working chamber both sides in the pump housing and is provided with compensating plate, and compensating plate is along the circumferential direction distinguished multiple shoulder holes, and shoulder hole small bore end both faces towards working chamber.This compensating plate is i.e. equivalent to the side plate of rotor both sides, and its existing problems are as follows:
1, this compensating plate does not have unidirectional damming and back-pressure structure, easily makes to produce between this compensating plate and rotor gap, thus reduce pressure and the lift of this transfiguration water pump during work under the promotion of highly pressurised liquid.
2, without pressure relief on compensating plate, the highly pressurised liquid produced in the pump housing during work is easily by the gap seepage of compensating plate Yu axis, thus reduces pressure and the lift of this transfiguration water pump further.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of good sealing effect, it is possible to increase the beat positive displacement high-pressure pump impeller side plate structure of water-aspirator pressure and lift.
For solving the problems referred to above, this utility model adopts the following technical scheme that
A kind of beat positive displacement high-pressure pump impeller side plate structure, including the side plate body that profile is cylindrical sheets shape, it is provided with axis hole at side plate body center, it is characterized in that: be along the circumferential direction provided with arc groove on side plate body one side end face, side plate body is provided with L-type duct, L-type duct entrance is positioned at side plate body outer rim and is connected by U-shaped gap I with side plate body opposite side, the outlet of L-type duct is positioned at arc groove and near arc groove one end, it is provided with elastic block piece near exit, L-type duct in arc groove, under the elastic force effect of elastic block piece, L-type duct is exported unidirectional blocking, upper in arc groove in described side plate body one side end face, it is respectively provided on two sides with outward the annular groove for installing sealing ring.
As further preferably, radially being provided with a backflow duct on side plate body, backflow duct entrance connects with axis hole, and the outlet of return port road is positioned at side plate body outer rim and is connected by U-shaped gap II with side plate body opposite side, reveal to avoid producing, improve pressure and lift further.
As further preferably, described L-type duct and backflow duct are separately positioned on the vertical center line both sides of side plate body, and the radial centre lines angle in L-type duct and backflow duct is 50 degree.
As further preferably, the central angle corresponding to described arc groove is 285 degree.
As further preferably, described elastic block piece one end is fixed by screws in arc groove.
As further preferably, described side plate body one side end face connects and has alignment pin, in the hole, location inserting pump housing end cap, it is achieved the circumferential registration of side plate body.
The beneficial effects of the utility model are: owing to being along the circumferential direction provided with arc groove on side plate body one side end face, side plate body is provided with the L-type duct communicated with arc groove, the highly pressurised liquid formed in higher-pressure region when positive displacement high-pressure pump can be made to work passes through to form back pressure district in L-type duct enters arc groove, by elastic block piece it can be avoided that the highly pressurised liquid entered in arc groove refluxes, this side plate is made to be close to rotor both sides, therefore good sealing effect, it is possible to be effectively improved pressure and the lift of water pump.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Fig. 4 is the C-C sectional view of Fig. 1.
Fig. 5 is the D-D sectional view of Fig. 1.
In figure: side plate body 1, axis hole 2, arc groove 3, annular groove 4, elastic block piece 5, L-type duct 6, duct 7 of refluxing, alignment pin 8, U-shaped gap I 9, U-shaped gap II 10, inner bolt hole 11.
Detailed description of the invention
As shown in Fig. 1～Fig. 5, a kind of beat positive displacement high-pressure pump impeller side plate structure that this utility model relates to, including the side plate body 1 that profile is cylindrical sheets shape, it is provided with axis hole 2 at side plate body 1 center, along the circumferential direction being provided with arc groove 3 on side plate body 1 one side end face, the central angle corresponding to arc groove 3 is preferably 285 degree.Being provided with L-type duct 6 on side plate body 1, L-type duct 6 entrance is positioned at side plate body 1 outer rim and is connected by U-shaped gap I 9 with side plate body 1 opposite side, and L-type duct 6 outlet is positioned at arc groove 3 and near arc groove 3 one end.Being provided with elastic block piece 5 near exit, L-type duct 6 in arc groove 3, elastic block piece 5 one end is fixed by screws in arc groove 3, and L-type duct 6 is exported unidirectional blocking under its elastic force effect by the other end of elastic block piece 5.Upper in the inside and outside annular groove 4 being respectively provided on two sides with for installing sealing ring of arc groove 3 in described side plate body 1 one side end face.
Side plate body 1 is radially provided with a backflow duct 7, backflow duct 7 entrance connects with axis hole 2, the outlet of backflow duct 7 is positioned at side plate body 1 outer rim and is connected by U-shaped gap II 10 with side plate body 1 opposite side, reveals to avoid producing, improves pressure and lift further.
As preferably, described L-type duct 6 and backflow duct 7 are separately positioned on the vertical center line both sides of side plate body 1, and the radial centre lines angle in L-type duct 6 and backflow duct 7 is 50 degree.
In described side plate body 1 one side end face, the upper circumference discontinuities in arc groove 3 is provided with an inner bolt hole 11 and has been threaded connection alignment pin 8, in the hole, location inserting pump housing end cap, it is achieved the circumferential registration of side plate body 1；Described inner bolt hole 11 is blind hole.
During installation, the rotor both sides that are arranged in the pump housing by interference fit by this side plate are also sleeved on axis, make arc groove 3 towards outside the pump housing simultaneously, then install the end cap of pump housing both sides, in making the hole, location that the alignment pin 8 on this side plate inserts on end cap.
During work, rotor constantly extrudes the current entered by pump housing water inlet in the pump housing during beat, current higher-pressure region in the pump housing is made to produce high pressure, water after generation high pressure flows through U-shaped gap I 9, L-type duct 6 is backed down elastic block piece 5 and entered in annular groove 4, forming back pressure in annular groove 4 makes this side plate pressure at both sides balance, side plate is close to rotor both sides, the therefore good sealing effect of working chamber in the pump housing, it is possible to be effectively improved pressure and the lift of water pump.
Although embodiment of the present utility model is disclosed as above, but it is not restricted in description and embodiment listed utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, it is easily achieved other amendment, therefore, under the general concept limited without departing substantially from claim and equivalency range, this utility model is not limited to specific details and shown here as the legend with description.
Claims (6)
1. a beat positive displacement high-pressure pump impeller side plate structure, including the side that profile is cylindrical sheets shape
Plate body, is provided with axis hole at side plate body center, it is characterized in that: along circle on side plate body one side end face
Circumferential direction is provided with arc groove, is provided with L-type duct on side plate body, and L-type duct entrance is positioned at side plate
Body outer rim and being connected by U-shaped gap I with side plate body opposite side, the outlet of L-type duct is positioned at arc
In groove and near arc groove one end, in arc groove, it is provided with elastic gear near exit, L-type duct
Sheet, exports unidirectional blocking by L-type duct, at described side plate body one under the elastic force effect of elastic block piece
The inside and outside annular groove being respectively provided on two sides with for installing sealing ring of arc groove it is positioned on side end face.
Beat positive displacement high-pressure pump impeller side plate structure the most according to claim 1, is characterized in that:
Radially being provided with a backflow duct on side plate body, backflow duct entrance connects with axis hole, return port
Road outlet is positioned at side plate body outer rim and is connected, to avoid by U-shaped gap II with side plate body opposite side
Produce and reveal, improve pressure and lift further.
Beat positive displacement high-pressure pump impeller side plate structure the most according to claim 2, is characterized in that:
Described L-type duct and backflow duct are separately positioned on the vertical center line both sides of side plate body, L-type duct
It it is 50 degree with the radial centre lines angle in backflow duct.
Beat positive displacement high-pressure pump impeller side plate structure the most according to claim 1, is characterized in that:
Central angle corresponding to described arc groove is 285 degree.
5. according to the beat positive displacement high-pressure pump impeller side plate structure described in claim 1 or 4, its feature
It is: described elastic block piece one end is fixed by screws in arc groove.
6. according to the beat positive displacement high-pressure pump impeller side plate structure described in any one of claims 1 to 3,
It is characterized in that: connecting on described side plate body one side end face has alignment pin, for inserting pump housing end cap
In hole, location, it is achieved the circumferential registration of side plate body.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620372589.2U CN205533202U (en) | 2016-04-28 | 2016-04-28 | Beat positive displacement high -pressure pump impeller side plate structure |
| PCT/CN2017/078330 WO2017185936A1 (en) | 2016-04-28 | 2017-03-27 | Water pump, connection structure between pump body and rotor, rotor, side plate, damper, and nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620372589.2U CN205533202U (en) | 2016-04-28 | 2016-04-28 | Beat positive displacement high -pressure pump impeller side plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205533202U true CN205533202U (en) | 2016-08-31 |
Family
ID=56794983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620372589.2U Expired - Fee Related CN205533202U (en) | 2016-04-28 | 2016-04-28 | Beat positive displacement high -pressure pump impeller side plate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205533202U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017185936A1 (en) * | 2016-04-28 | 2017-11-02 | 河北盛多威泵业制造有限公司 | Water pump, connection structure between pump body and rotor, rotor, side plate, damper, and nozzle |
-
2016
- 2016-04-28 CN CN201620372589.2U patent/CN205533202U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017185936A1 (en) * | 2016-04-28 | 2017-11-02 | 河北盛多威泵业制造有限公司 | Water pump, connection structure between pump body and rotor, rotor, side plate, damper, and nozzle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 050200, Shijiazhuang, Hebei Province, Luquan District, 81 Town, Yin Qing village street, Ding Jun science and Technology Park, building 10 Patentee after: HEBEI SENDWE PUMP MANUFACTURING Co.,Ltd. Address before: 061000 A, block 1002, Jinding building, canal zone, Hebei, Cangzhou, China Patentee before: HEBEI SENDWE PUMP MANUFACTURING Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 |