CN209129840U - Double ball-type check valves for solution pump - Google Patents
Double ball-type check valves for solution pump Download PDFInfo
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- CN209129840U CN209129840U CN201821424518.8U CN201821424518U CN209129840U CN 209129840 U CN209129840 U CN 209129840U CN 201821424518 U CN201821424518 U CN 201821424518U CN 209129840 U CN209129840 U CN 209129840U
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- Prior art keywords
- valve
- valve body
- ball
- solution pump
- seat
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model provides a kind of double ball-type check valves for solution pump, including main valve body, main valve seat and two spools；It is provided with runner on main valve body, the first valve core chamber and the second valve core chamber are provided on runner, the first catching step is provided between the first valve core chamber and the second valve core chamber；It is provided with mounting hole on main valve seat, the second catching step is provided in mounting hole, the inserting of main valve body lower part is fixed in mounting hole；Spool includes valve ball, retainer, valve ball seat, and valve ball seat top is resisted against at the lower openings of retainer, and valve ball is arranged in retainer inner cavity, and can move up and down in retainer inner cavity and the valve orifice in valve ball seat is opened and closed；One spool is mounted in the first valve core chamber, and valve ball seat lower part, on the first catching step, another spool is mounted in the second valve core chamber, and valve ball seat lower part is resisted against on the second catching step in main valve seat.The utility model is able to solve check valve poor sealing effect in the prior art, the problem of installation and maintenance complexity.
Description
Technical field
The utility model relates to valve field, especially a kind of double ball-type check valves for solution pump.
Background technique
Check valve is an important component in solution pump, and opening when solution pump piston is mobile to diaphragm cavity will
Liquid discharge in diaphragm cavity, when solution pump piston is retracted away from diaphragm cavity, under suction function of the check valve in diaphragm cavity
It closes.It is mostly in the prior art single ball for the check valve of solution pump, partially liq leakage is usually had, although in the prior art
Also there are double ball-type check valves, but mostly a chamber is arranged in valve body the same side in it, two spools are installed to chamber from valve body the same side
Interior when (main work spool) damages when the spool that this mode installs complexity, and is located at lower part damages, needs whole by two
Spool removes maintenance from valve body together, and process is complicated, not easy to operate, therefore a kind of for the double of solution pump there is an urgent need to provide
Ball-type check valve is come in the presence of solving the problems, such as the prior art.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of for the double of solution pump
Ball-type check valve, for solving check valve poor sealing effect in the prior art, the problem of installation and maintenance complexity.
In order to achieve the above objects and other related objects, it is unidirectional to provide a kind of double balls for solution pump for the utility model
Valve, including main valve body, main valve seat and two spools；The runner penetrated through along the vertical direction is provided on the main valve body, described
It is disposed with the first valve core chamber and the second valve core chamber on runner, is arranged between first valve core chamber and second valve core chamber
There is the first catching step of annular；The mounting hole to match with the main valve body low profile, institute are provided on the main valve seat
The second catching step that annular is provided in mounting hole is stated, the main valve body lower part inserting is fixed in the mounting hole；It is described
Spool includes valve ball, retainer, valve ball seat, and the valve ball seat top, the valve are resisted against at the lower openings of the retainer
Ball is arranged in the retainer inner cavity, and can move up and down in the retainer inner cavity and beat the valve orifice in the valve ball seat
It opens and closes；One in two spools is mounted in first valve core chamber, and the valve ball seat lower part is against described
On first catching step, another described spool is mounted in second valve core chamber, and the valve ball seat lower part is resisted against institute
It states on second catching step in main valve seat.
Preferably, the main valve seat is the pump housing of solution pump, and the mounting hole and second catching step are arranged in institute
It states on the pump housing.
Preferably, the main valve body includes the first valve body and the second valve body, the lower part of first valve body and described second
The top seal of valve body is connected, and first valve core chamber is arranged in the link position of first valve body and second valve body
Middle part.
Further, the lower part of first valve body and the welding of the top of second valve body are connected.
Further, fast inserted interface is arranged in first valve body top, and the fast inserted interface includes radially
The inserting groove of recess and the radially raised inserting protrusion in the inserting groove top is set.
Further, anti-overflow positioning region is provided between first valve body and the weld port of second valve body.
Further, the anti-overflow positioning region is that the annular convex platform that second valve body upper surface is arranged in and setting exist
Match on first valve body lower end face with the annular convex platform identical annular groove.
Preferably, the retainer includes base ring, upper limit body and at least three connection columns, the internal diameter of the base ring
It is adapted with the outer diameter of the valve ball, runner, the lower end of at least three connections column is provided on the upper limit body
It is connected on the base ring and uniformly distributed along the circumferencial direction of the base ring, the upper end of at least three connections column is vertically upward
It is fixedly connected with the upper limit body.
Further, the upper limit body top on the retainer is provided with bracket protrusion.
As described above, the double ball-type check valves of the utility model, have the advantages that the first spool in the utility model
Setting is there are two spool in indoor and the second valve core chamber, and lower part spool, which undertakes, mainly closes and open task, and the spool on top rises
It, being capable of double insurance to secondary closing and opening action.Meanwhile the main valve body lower part of the double ball-type check valves of the utility model is mounted on
In main valve seat, it directly can directly be taken out to replacement when removing main valve body from main valve seat positioned at lower part spool, without
With by the indoor valve core taking of the first spool of top, replacement is got up convenient and efficient.
Detailed description of the invention
Fig. 1 is the structure chart of the utility model embodiment；
Fig. 2 is scheme of installation of the utility model embodiment in solution pump；
The structure chart of retainer in Fig. 3 the utility model embodiment.
In figure: 1, solution pump 2, double ball-type check valves
21, main valve body 22, spool
23, main valve seat 24, fast inserted interface
211, the first valve body 212, the second valve body
213, anti-overflow positioning region 214, the first valve core chamber
215, the second valve core chamber 216, the first catching step
221, retainer 222, valve ball
223, valve ball seat 231, the second catching step
241, protrusion 242, inserting groove are inserted
2211, upper limit body 2212, connection column
2213, base ring 2214, bracket protrusion
Specific embodiment
Structure depicted in Figure of description, ratio, size etc., only to cooperate the revealed content of specification, with
Understand for those skilled in the art and read, is not intended to limit the utility model enforceable qualifications, therefore does not have skill
Essential meaning in art, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the utility model institute
Under the effect of capable of generating and the purpose that can reach, it should all still fall in what the revealed technology contents of the utility model can be covered
In range.Meanwhile cited such as "upper", "lower", "front", "rear", " centre " term in this specification, it is merely convenient to chat
That states is illustrated, rather than to limit the enforceable range of the utility model, relativeness is altered or modified, without substantive change
Under more technology contents, when being also considered as the enforceable scope of the utility model.
As shown in Figure 1-3, the utility model provides a kind of double ball-type check valves 2 for solution pump, including main valve body 21, master
Valve seat 23 and two spools 22；It is provided with the runner penetrated through along the vertical direction on main valve body 21, is disposed on runner
One valve core chamber 214 and the second valve core chamber 215, first that annular is provided between the first valve core chamber 214 and the second valve core chamber 215 are stopped
Block machine rank 216；It is provided with the mounting hole to match with 21 low profile of main valve body on main valve seat 23, is provided with annular in mounting hole
The second catching step 231,21 lower part of main valve body inserting be fixed in mounting hole；Spool 22 include valve ball 222, retainer 221,
Valve ball seat 223,223 top of valve ball seat is resisted against at the lower openings of retainer 221, and valve ball 222 is arranged in 221 inner cavity of retainer
In, and can be moved up and down in 221 inner cavity of retainer and the valve orifice in valve ball seat 223 is opened and closed；In two spools 22
One is mounted in the first valve core chamber 214, and 223 lower part of valve ball seat, on the first catching step 216, another spool 22 is pacified
In the second valve core chamber 215 and 223 lower part of valve ball seat is resisted against on the second catching step 231 in main valve seat 23.
There are two spool 22, lower valves for setting in the first valve core chamber 214 in the utility model and in the second valve core chamber 215
Core 22 undertakes main closing and opens task, and the spool 22 on top plays secondary closing and opening action, being capable of double insurance.
Meanwhile 21 lower part of main valve body of the double ball-type check valves 2 of the utility model is mounted in main valve seat 23, being located at lower part spool 22 can be with
It is directly directly taken out to when removing main valve body 21 from main valve seat 23 replacement, and is not had to the first valve core chamber of top 214
Interior spool 22 takes out, and replacement is got up convenient and efficient.
In the present embodiment, the pump housing of main valve seat 23 and solution pump 1 is structure as a whole, mounting hole and the second catching step 231
It is arranged on the pump housing.
Main valve body 21 includes the first valve body 211 and the second valve body 212, the lower part of the first valve body 211 and the in the present embodiment
The top seal of two valve bodies 212 is connected, and the link position of the first valve body 211 and the second valve body 212 is arranged in the first valve core chamber 214
Middle part.
The lower part of the first valve body 211 and the welding of the top of the second valve body 212 are connected in the present embodiment.
Fast inserted interface 24 is arranged in 211 top of the first valve body in the present embodiment, and fast inserted interface 24 includes radially
The inserting groove 242 of recess and the radially raised inserting protrusion 241 in inserting 242 top of groove is set.
Anti-overflow positioning region 213 is provided in the present embodiment between first valve body 211 and the weld port of the second valve body 212.
Anti-overflow positioning region 213 is the annular convex platform that 212 upper surface of the second valve body is arranged in and setting the in the present embodiment
Match on one valve body, 211 lower end surface with annular convex platform identical annular groove.
Retainer 221 includes base ring 2213, upper limit body 2211 and at least three connection columns 2212 in the present embodiment,
The internal diameter of base ring 2213 is adapted with the outer diameter of valve ball 222, and runner is provided on upper limit body 2211, and at least three connections are vertical
The lower end of column 2212 is connected on base ring 2213 and is evenly distributed with along the circumferencial direction of base ring 2213, at least three connection columns 2212
Upper end is fixedly connected with upper limit body 2211 vertically upward.
2211 top of upper limit body in the present embodiment on retainer 221 is provided with bracket protrusion 2214, bracket protrusion
2214 can by the top of retainer 221 with erected at the top of the first valve core chamber 214 and the second valve core chamber 215, form certain unhurried current
Space can reduce the pressure loss.
In conclusion double ball-type check valves of the utility model for solution pump can effectively solve the problem that check valve in the prior art
Poor sealing effect, the problem of installation and maintenance complexity.So the utility model effectively overcomes and more in the prior art actually asks
Topic is to have very high utility value and use meaning.
Above embodiment is only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.The utility model can be improved there are many more aspect under the premise of without prejudice to overall thought, for being familiar with this technology
Personage can all be carried out modifications and changes to above-described embodiment under the spirit and scope without prejudice to the utility model.Therefore,
Such as those of ordinary skill in the art is in spirit revealed without departing from the utility model and institute under technical idea
All equivalent modifications or change completed, should be covered by the claim of the utility model.
Claims (9)
1. a kind of double ball-type check valves for solution pump, which is characterized in that including main valve body, main valve seat and two spools；It is described
It is provided with the runner of perforation on main valve body, is disposed with the first valve core chamber and the second valve core chamber on the runner, described
The first catching step of annular is provided between one valve core chamber and second valve core chamber；Be provided on the main valve seat with it is described
The mounting hole that main valve body low profile matches is provided with the second catching step of annular, the main valve body in the mounting hole
Lower part inserting is fixed in the mounting hole；The spool includes valve ball, retainer, valve ball seat, and the lower part of the retainer is opened
The valve ball seat top is resisted against at mouthful, the valve ball is arranged in the retainer inner cavity, and can be in the retainer inner cavity
It moves up and down and the valve orifice in the valve ball seat is opened and closed；One in two spools is mounted on first valve
In core room, and the valve ball seat lower part, on first catching step, another described spool is mounted on second valve
In core room, and the valve ball seat lower part is resisted against on second catching step in the main valve seat.
2. double ball-type check valves according to claim 1 for solution pump, which is characterized in that the main valve seat is solution pump
The pump housing, the mounting hole and second catching step are arranged on the pump housing.
3. double ball-type check valves according to claim 1 for solution pump, which is characterized in that the main valve body includes first
The top seal of valve body and the second valve body, the lower part of first valve body and second valve body is connected, first valve body and
The middle part of first valve core chamber is arranged in the link position of second valve body.
4. double ball-type check valves according to claim 3 for solution pump, which is characterized in that the lower part of first valve body
Top welding with second valve body is connected.
5. double ball-type check valves according to claim 4 for solution pump, which is characterized in that first valve body top is set
Fast inserted interface is set, the fast inserted interface includes the inserting groove being radially recessed and is arranged on the inserting groove
The radially raised inserting protrusion in portion.
6. double ball-type check valves according to claim 4 for solution pump, which is characterized in that first valve body and described
Anti-overflow positioning region is provided between the weld port of second valve body.
7. double ball-type check valves according to claim 6 for solution pump, which is characterized in that the anti-overflow positioning region is to set
Set second valve body upper surface annular convex platform and be arranged on first valve body lower end face and the annular convex platform phase
The identical annular groove of matching.
8. double ball-type check valves according to claim 1 for solution pump, which is characterized in that the retainer includes bottom
Ring, upper limit body and at least three connection columns, the internal diameter of the base ring are adapted with the outer diameter of the valve ball, the top
Runner is provided on limit body, the lower end of at least three connections column is connected on the base ring and along the circle of the base ring
Circumferential direction is uniformly distributed, and the upper end of at least three connections column is fixedly connected with the upper limit body vertically upward.
9. double ball-type check valves according to claim 8 for solution pump, which is characterized in that described on the retainer
Upper limit body top is provided with bracket protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821424518.8U CN209129840U (en) | 2018-08-31 | 2018-08-31 | Double ball-type check valves for solution pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821424518.8U CN209129840U (en) | 2018-08-31 | 2018-08-31 | Double ball-type check valves for solution pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209129840U true CN209129840U (en) | 2019-07-19 |
Family
ID=67229675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821424518.8U Active CN209129840U (en) | 2018-08-31 | 2018-08-31 | Double ball-type check valves for solution pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209129840U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805585A (en) * | 2019-11-21 | 2020-02-18 | 南昌矿山机械有限公司 | Hydraulic control double one-way valve and single-cylinder cone crusher hydraulic system |
-
2018
- 2018-08-31 CN CN201821424518.8U patent/CN209129840U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805585A (en) * | 2019-11-21 | 2020-02-18 | 南昌矿山机械有限公司 | Hydraulic control double one-way valve and single-cylinder cone crusher hydraulic system |
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