CN203114612U - Metal diaphragm pump fluid end - Google Patents
Metal diaphragm pump fluid end Download PDFInfo
- Publication number
- CN203114612U CN203114612U CN 201320160488 CN201320160488U CN203114612U CN 203114612 U CN203114612 U CN 203114612U CN 201320160488 CN201320160488 CN 201320160488 CN 201320160488 U CN201320160488 U CN 201320160488U CN 203114612 U CN203114612 U CN 203114612U
- Authority
- CN
- China
- Prior art keywords
- valve
- discharge opeing
- imbibition
- liquid
- gap
- 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 - Lifetime
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Abstract
The utility model discloses a metal diaphragm pump fluid end which comprises a pump head body and a valve combination, wherein a liquid suction valve cover and a liquid discharge valve cover in the valve combination are respectively fixed with a valve seat, a guide sleeve is arranged in a central through hole of the liquid suction valve cover and is matched with a spigot of the liquid suction valve cover, a liquid suction valve board is sleeved on the guide sleeve and can slide left and right, and a suction valve spring is located between the liquid suction valve board and the liquid suction valve cover. A central guide hole is formed in the face where the liquid discharge valve cover is combined with the valve seat. A liquid discharge valve board is located in the central guide hole and can slide left and right. A discharge valve spring is arranged between the liquid discharge valve board and the liquid discharge valve cover. According to the metal diaphragm pump fluid end, an annular groove is formed in the pump head body, strength of the valve seat cannot be weakened, and strength of the valve seat and the liquid suction valve cover can be obviously improved; the guide sleeve is adopted for integral guiding on the liquid suction valve board, and the problem of clamping a valve is well solved; and a groove is formed inside the liquid suction valve cover, so that through flowing performance of media is better.
Description
Technical field
The utility model relates to the improvement of diaphragm pump technology, specifically refers to a kind of metal diaphragm pump hydraulic end, belongs to the pump technical field.
Background technique
Combination brake switch and proporting is one of vitals of high pressure reciprocating pump, is directly connected to using effect and the performance of pump.Usually combination brake switch and proporting mainly is made up of imbibition valve plate, suction valve spring, imbibition valve gap, valve seat, discharge opeing valve plate, valve spring, discharge opeing valve gap and various Sealing.In metal diaphragm pump hydraulic end structure, the conventional type combination brake switch and proporting is that valve seat is sleeved on imbibition valve gap inside, and circular groove leaves on valve seat, and such structure has strengthened the valve packet size.Do not have guide sleeve, the imbibition valve plate adopts the local guiding of cylindrical, blocks valve easily.Simultaneously, existing each parts of membrane pump fluid end combination brake switch and proporting are to assemble in pump head body inner cavity chamber, and this has increased installation difficulty and efficient.
Summary of the invention
At the prior art above shortcomings, the purpose of this utility model provides and a kind ofly effectively reduces size, motion is smooth and easy and assembling is easy to the metal diaphragm pump hydraulic end.
The technical solution of the utility model is achieved in that
A kind of metal diaphragm pump hydraulic end, the valve that comprises pump head body and be installed in the pump head body chamber makes up, described valve combination comprises the imbibition valve plate, inhale valve spring, the imbibition valve gap, valve seat, the discharge opeing valve plate, valve spring and discharge opeing valve gap, it is characterized in that: imbibition valve gap and discharge opeing valve gap lay respectively at about valve seat each side and are fixed as one, liquid sucting valve is covered with central through bore, be provided with guide sleeve in the central through bore, guide sleeve cooperates with imbibition valve gap seam, the liquid sucting valve sleeve-board can horizontally slip on the guide sleeve and spacing to sliding stroke by the end face on the guide sleeve, inhales valve spring between imbibition valve plate and imbibition valve gap; Be combined that face with valve seat at the discharge opeing valve gap and be provided with the centre pilot hole, the discharge opeing valve plate is positioned at the centre pilot hole and can horizontally slips, and is provided with the valve spring between discharge opeing valve plate and the discharge opeing valve gap, and under the effect of valve spring, the discharge opeing valve plate withstands on the valve seat;
Be provided with the circular groove A that communicates with liquid sucting port at the pump head body chamber wall, cover at liquid sucting valve and to be provided with circular groove C, the circular groove C that circular groove A on the pump head body chamber wall and liquid sucting valve cover is by the channel connection on the valve seat, the circular groove C that liquid sucting valve covers is communicated with the fluid cylinder chamber by the imbibing hole that liquid sucting valve covers, and is provided with plunger in the fluid cylinder chamber; The fluid cylinder chamber is communicated with valve base center hole by the guide sleeve center hole; Cover at liquid discharging valve and to be provided with axial outage and the raidal drainage hole that is interconnected, be provided with the circular groove H that communicates with the raidal drainage hole at the liquid discharging valve tegmental wall, circular groove H is communicated with liquid port simultaneously.The axial outage that liquid discharging valve covers is communicated with valve base center hole when the discharge opeing valve plate is opened.
Further, described valve combination is installed in the pump head body chamber by pressing plate, and pressing plate is pressed in liquid discharging valve and covers, and imbibition valve gap two ends cooperate by seam with pump head body and valve seat respectively, valve seat cooperates by seam with the discharge opeing valve gap, cooperates the position to be provided with Sealing at each seam.
Compared to existing technology, the utlity model has following beneficial effect:
1, has circular groove at pump head body, valve seat intensity is not weakened, can significantly improve the intensity of valve seat and imbibition valve gap, can effectively reduce parts and overall dimensions simultaneously.
2, the imbibition valve plate adopts the whole guiding of guide sleeve, has solved the problem of card valve preferably, and each moving element of valve group is more smooth and easy when motion.
3, the inner grooving of imbibition valve gap, the through-flow property of medium is better.
4, the combination of whole valve can be assembled into an integral body and is installed in the pump head body again outside pump head body, compresses by pressing plate, and it is easier to install, and efficient is higher.
Description of drawings
Fig. 1-the utility model structural representation.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1, from the figure as can be seen, the utility model metal diaphragm pump hydraulic end, the valve that comprises pump head body 1 and be installed in the pump head body chamber makes up, described valve combination comprises imbibition valve plate 8, inhales valve spring 10, imbibition valve gap 6, valve seat 5, discharge opeing valve plate 4, valve spring 3 and discharge opeing valve gap 2, it is characterized in that: imbibition valve gap 6 and discharge opeing valve gap 2 lay respectively at valve seat about 5 each sides and are fixed as one by bolt 7.Imbibition valve gap 6 is provided with central through bore, be provided with guide sleeve 11 in the central through bore, guide sleeve 11 and imbibition valve gap 6 cooperate by seam, imbibition valve plate 8 is enclosed within and can horizontally slips on the guide sleeve 11 and spacing to sliding stroke by the end face on the guide sleeve, inhales valve spring 10 between imbibition valve plate 8 and imbibition valve gap 6.Be provided with the centre pilot hole at discharge opeing valve gap 2 and valve seat 5 in conjunction with that face, discharge opeing valve plate 4 is positioned at the centre pilot hole and can horizontally slips, and is provided with valve spring 3 between discharge opeing valve plate 4 and the discharge opeing valve gap 2, and under the effect of valve spring 3, discharge opeing valve plate 4 withstands on the valve seat 5.
Be provided with the circular groove A17 that communicates with liquid sucting port at pump head body 1 chamber wall, be provided with circular groove C15 at imbibition valve gap 6, circular groove A17 on the pump head body chamber wall is communicated with by the passage 16 on the valve seat with the circular groove C15 that liquid sucting valve covers, the circular groove C15 that liquid sucting valve covers is communicated with fluid cylinder chamber 13 by the imbibing hole 14 that liquid sucting valve covers, and is provided with plunger 12 in the fluid cylinder chamber 13.Fluid cylinder chamber 13 is communicated with valve base center hole 18 by the guide sleeve center hole; Be provided with axial outage 19 and the raidal drainage hole 20 that is interconnected at discharge opeing valve gap 2, be provided with the circular groove H21 that communicates with raidal drainage hole 20 at discharge opeing valve gap 2 walls, circular groove H21 is communicated with liquid port simultaneously.The axial outage that liquid discharging valve covers is communicated with valve base center hole when the discharge opeing valve plate is opened.
Described valve combination is installed in pump head body 1 chamber by pressing plate 22, pressing plate 22 is pressed on the discharge opeing valve gap 2, imbibition valve gap 6 two ends cooperate by seam with pump head body 1 and valve seat 5 respectively, and valve seat 5 and discharge opeing valve gap 2 cooperate by seam, cooperate the position to be provided with Sealing 9 at each seam.
The utility model structural feature is that the valve group is made integrated component, is convenient to integral installation.Have seam between imbibition valve gap 6, valve seat 5, the discharge opeing valve plate 4 and cooperate, bolt 7 links to each other and forms an integral body.Guide sleeve 11 is installed between imbibition valve gap 6 and the valve seat 5, and imbibition valve plate 8 is set on the guide sleeve 11, can slide along guide sleeve, is led by imbibition valve plate endoporus.Discharge opeing valve plate 4 is installed between valve seat 5 and the discharge opeing valve gap 2, and discharge opeing spring 3 is installed between discharge opeing valve plate 4 and the discharge opeing valve gap 2.
The utility model is by the keying of imbibition valve plate 8 and discharge opeing valve plate 4, reach the effect of fed sheet of a media, and have the advantages that to bear hyperpressure, its working principle is: when plunger 12 during to left movement, imbibition valve plate 8 is opened, discharge opeing valve plate 4 is closed, and medium enters fluid cylinder chamber 13 by circular groove C15 and the imbibing hole 14 that circular groove A17, valve base channel 16, the liquid sucting valve of liquid sucting port on pump head body covers; When plunger 12 moves right, imbibition valve plate 8 is closed, discharge opeing valve plate 4 is opened, and the medium that enters in the fluid cylinder chamber enters liquid port by guide sleeve center hole, valve base center hole 18, the axial outage 19 of discharge opeing valve gap, raidal drainage hole 20 and circular groove H21 successively, finishes a circulation.
The utility model is driven circular groove at pump head body, and valve seat intensity is not weakened, and can significantly improve the intensity of valve seat and imbibition valve gap; The imbibition valve plate adopts the whole guiding of guide sleeve, has solved the problem of card valve preferably; The inner grooving of imbibition valve gap, the through-flow property of medium is better.
Above-described embodiment of the present utility model only is to be explanation the utility model example, and is not to be restriction to mode of execution of the present utility model.For those of ordinary skill in the field, can also make other multi-form variation and changes on the basis of the above description.Here can't give exhaustive to all mode of executions.Everyly belong to the row that apparent variation that the technical solution of the utility model amplifies out or change still are in protection domain of the present utility model.
Claims (2)
1. metal diaphragm pump hydraulic end, the valve that comprises pump head body and be installed in the pump head body chamber makes up, described valve combination comprises the imbibition valve plate, inhale valve spring, the imbibition valve gap, valve seat, the discharge opeing valve plate, valve spring and discharge opeing valve gap, it is characterized in that: imbibition valve gap and discharge opeing valve gap lay respectively at about valve seat each side and are fixed as one, liquid sucting valve is covered with central through bore, be provided with guide sleeve in the central through bore, guide sleeve cooperates with imbibition valve gap seam, the liquid sucting valve sleeve-board can horizontally slip on the guide sleeve and spacing to sliding stroke by the end face on the guide sleeve, inhales valve spring between imbibition valve plate and imbibition valve gap; Be combined that face with valve seat at the discharge opeing valve gap and be provided with the centre pilot hole, the discharge opeing valve plate is positioned at the centre pilot hole and can horizontally slips, and is provided with the valve spring between discharge opeing valve plate and the discharge opeing valve gap, and under the effect of valve spring, the discharge opeing valve plate withstands on the valve seat;
Be provided with the circular groove A that communicates with liquid sucting port at the pump head body chamber wall, cover at liquid sucting valve and to be provided with circular groove C, the circular groove C that circular groove A on the pump head body chamber wall and liquid sucting valve cover is by the channel connection on the valve seat, the circular groove C that liquid sucting valve covers is communicated with the fluid cylinder chamber by the imbibing hole that liquid sucting valve covers, and is provided with plunger in the fluid cylinder chamber; The fluid cylinder chamber is communicated with valve base center hole by the guide sleeve center hole; Cover at liquid discharging valve and to be provided with axial outage and the raidal drainage hole that is interconnected, be provided with the circular groove H that communicates with the raidal drainage hole at the liquid discharging valve tegmental wall, circular groove H is communicated with liquid port simultaneously; The axial outage that liquid discharging valve covers is communicated with valve base center hole when the discharge opeing valve plate is opened.
2. metal diaphragm pump hydraulic end according to claim 1, it is characterized in that: described valve combination is installed in the pump head body chamber by pressing plate, pressing plate is pressed in liquid discharging valve and covers, imbibition valve gap two ends cooperate by seam with pump head body and valve seat respectively, valve seat cooperates by seam with the discharge opeing valve gap, cooperates the position to be provided with Sealing at each seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320160488 CN203114612U (en) | 2013-04-02 | 2013-04-02 | Metal diaphragm pump fluid end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320160488 CN203114612U (en) | 2013-04-02 | 2013-04-02 | Metal diaphragm pump fluid end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203114612U true CN203114612U (en) | 2013-08-07 |
Family
ID=48894963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320160488 Expired - Lifetime CN203114612U (en) | 2013-04-02 | 2013-04-02 | Metal diaphragm pump fluid end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203114612U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387395A (en) * | 2017-09-01 | 2017-11-24 | 沈阳双环泵业有限公司 | A kind of reciprocating pump combination valve |
-
2013
- 2013-04-02 CN CN 201320160488 patent/CN203114612U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387395A (en) * | 2017-09-01 | 2017-11-24 | 沈阳双环泵业有限公司 | A kind of reciprocating pump combination valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |