CN206386532U - A kind of pressure maintaining valve and water purifier - Google Patents
A kind of pressure maintaining valve and water purifier Download PDFInfo
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- CN206386532U CN206386532U CN201621331362.XU CN201621331362U CN206386532U CN 206386532 U CN206386532 U CN 206386532U CN 201621331362 U CN201621331362 U CN 201621331362U CN 206386532 U CN206386532 U CN 206386532U
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- maintaining valve
- motion bar
- pressure maintaining
- seal space
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Abstract
The utility model provides a kind of pressure maintaining valve, including is provided with the shell of inlet opening, apopore, first annular seal space and the second annular seal space, and the axis collinear or parallel and both of which of apopore and inlet opening are connected with the second annular seal space；Have on outer shell outer wall and install raised, the raised bar shaped for being inserted into plate of water route is installed guide groove is installed and screwed in the annular mounting groove of plate of water route；The motion bar in shell is axially displaceably arranged on, motion bar has centre bore, and motion bar one end has the first pressure-bearing surface, and the other end, which has, can block the second pressure-bearing surface of inlet opening, and the area of the first pressure-bearing surface is more than the area of the second pressure-bearing surface；It is set in the spring on motion bar；The first locating part offseted with spring one end, it is fixedly connected with motion bar；The second locating part offseted with the spring other end, it is fixedly connected with shell.Pressure maintaining valve can be integrated in plate of water route by the utility model, and then be easy to installation of the pressure maintaining valve on water purifier.The utility model also provides a kind of water purifier.
Description
Technical field
The utility model is related to purification of water quality processing technology field, and more specifically to a kind of pressure maintaining valve, this practicality is new
Type further relates to a kind of water purifier with above-mentioned pressure maintaining valve.
Background technology
In recent years, to avoid leak, maintaining frequency is reduced, water purifier is more and more using the situation of integrating water route, but
Existing pressure maintaining valve, inlet opening and apopore are located at two ends respectively, it is impossible to applied on integrating water route, install also cumbersome.
In summary, how to realize and pressure maintaining valve is integrated in plate of water route, in order to installation of the pressure maintaining valve on water purifier,
It is current those skilled in the art technical problem urgently to be resolved hurrily.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of pressure maintaining valve, and pressure maintaining valve is integrated in plate of water route,
And then it is easy to installation of the pressure maintaining valve on water purifier.
Another object of the present utility model is to provide a kind of water purifier with above-mentioned pressure maintaining valve, and pressure maintaining valve is integrated
In plate of water route, and then it is easy to installation of the pressure maintaining valve on water purifier.
In order to achieve the above object, the utility model provides following technical scheme：
A kind of pressure maintaining valve, including：
It is provided with the shell of inlet opening, apopore, first annular seal space and the second annular seal space, the apopore and the water inlet
The axis collinear in hole or parallel and both of which are connected with second annular seal space；Have on the outer shell outer wall and install raised, institute
State and the raised bar shaped installation guide groove for being inserted into plate of water route is installed and screwed in the annular mounting groove of the plate of water route；
The motion bar in the shell is axially displaceably arranged on, the motion bar, which has, connects the first annular seal space
With the centre bore of second annular seal space, and the motion bar stretch into the first annular seal space one end have the first pressure-bearing surface,
One end that the motion bar stretches into second annular seal space has and can block the second pressure-bearing surface of the inlet opening, and described the
The area of one pressure-bearing surface is more than the area of second pressure-bearing surface；
It is set in the spring on the motion bar；
The first locating part offseted with the one end of the spring away from the inlet opening, first locating part and the work
Lever is fixedly connected；
The second locating part offseted with the spring close to one end of the inlet opening, second locating part with it is described outer
Shell is fixedly connected.
It is preferred that, in above-mentioned pressure maintaining valve, first locating part is first annular spacing preiection, described first annular spacing
Raised is integral type structure with the motion bar.
It is preferred that, in above-mentioned pressure maintaining valve, the shell has the installation cavity with atmosphere, and the spring is located at the peace
In behaveing affectedly.
It is preferred that, in above-mentioned pressure maintaining valve, second locating part is the stop sleeve in the installation cavity, the branch
Support set cylinder offsets by the way that the second annular stop is raised with the spring, has between the stop sleeve and the shell and air
The gap of connection, the stop sleeve, which has, connects the gap and the micropore of the installation cavity.
It is preferred that, in above-mentioned pressure maintaining valve, the shell includes outer cover body and is detachably connected with the outer cover body
Upper lid.
It is preferred that, in above-mentioned pressure maintaining valve, the first annular spacing preiection is slidably matched with the stop sleeve, the branch
Support set cylinder is tightly connected close to one end of the first annular seal space by the first sealing ring with the upper lid, the motion bar, institute
State the first sealing ring, the motion bar and the upper the cap-shaped into first annular seal space.
It is preferred that, in above-mentioned pressure maintaining valve, second annular stop project through the second sealing ring and the outer cover body,
The motion bar is tightly connected, and second sealing ring, the outer cover body and the motion bar form second annular seal space.
It is preferred that, it is described to install raised raised including the first projection being oppositely arranged and second in above-mentioned pressure maintaining valve；
The apopore is the looping pit with the inlet opening coaxial line.
It is preferred that, in above-mentioned pressure maintaining valve, the motion bar includes activity bar body and is arranged on the activity bar body and leans on
The closure pad of one end of the nearly inlet opening, the end face of the closure pad forms second pressure-bearing surface.
It can be seen from above-mentioned technical scheme that, the pressure maintaining valve that the utility model is provided includes：It is provided with inlet opening, water outlet
The axis collinear of the shell in hole, first annular seal space and the second annular seal space, apopore and inlet opening or parallel and both of which and second
Annular seal space is connected；Have on outer shell outer wall and install raised, the raised bar shaped for being inserted into plate of water route is installed guide groove is installed and screwed in
In the annular mounting groove of plate of water route；The motion bar in shell is axially displaceably arranged on, there is motion bar connection first to seal
The centre bore of chamber and the second annular seal space, and motion bar stretches into one end of first annular seal space with the first pressure-bearing surface, motion bar is stretched into
One end of second annular seal space, which has, can block the second pressure-bearing surface of inlet opening, and the area of the first pressure-bearing surface is more than the second pressure-bearing
The area in face；It is set in the spring on motion bar；The first locating part offseted with the one end of spring away from inlet opening, first is spacing
Part is fixedly connected with motion bar；The second locating part offseted with spring close to one end of inlet opening, the second locating part is consolidated with shell
Fixed connection.
Using when, pressure maintaining valve is arranged on water purifier, and inlet opening is connected with water inlet pipe, apopore and water purifier
Water inlet is connected, so, when the water feeding pressure in water inlet pipe is higher than water feeding pressure as defined in water purifier, the high pressure in water inlet pipe
Water is by the inlet opening of pressure maintaining valve, through the gap between the second pressure-bearing surface and inlet opening, into the second annular seal space, then through motion bar
Centre bore enters first annular seal space, the first annular seal space in the presence of the difference in areas of hydraulic pressure and the first pressure-bearing surface and the second pressure-bearing surface
Pressure chamber is formed, overcomes spring force to promote motion bar to be moved to the direction close to the second annular seal space, so as to reduce the second pressure-bearing
Gap between face and inlet opening, the purpose of outlet decompression is reached using reducing pressure by regulating flow, the low pressure water after decompression can be from apopore
Flow into the water inlet of water purifier；When the water feeding pressure in water inlet pipe is not higher than water feeding pressure as defined in water purifier, the first sealing
The motive force that chamber applies to the first pressure-bearing surface is less than the elastic force of spring, and spring can promote motion bar to the side away from the second annular seal space
To movement, so as to increase the gap between the second pressure-bearing surface and inlet opening, the gap is not enough to play the effect of throttling, now surely
Pressure valve will not be depressured to water feeding pressure, so the hydraulic pressure of apopore outflow is equal to the hydraulic pressure that inlet opening enters.
Because apopore of the present utility model and the axis collinear or parallel and both of which of inlet opening connect with the second annular seal space
It is logical；So apopore and inlet opening are located at the same orientation of shell, such pressure maintaining valve is in assembling, first by the installation of outer shell outer wall
Guide groove insertion is installed in the bar shaped of projection alignment plate of water route, and after installation is protruded out into annular mounting groove, rotational shell makes peace
Dress projection is caught in annular mounting groove, you can pressure maintaining valve is fixed in plate of water route, so pressure maintaining valve can be integrated in into water route
On plate, and then it is easy to installation of the pressure maintaining valve on water purifier.
In addition, above-mentioned pressure maintaining valve ensure that the water feeding pressure of water purifier is up to standard, so as to reduce water purifier maintaining frequency
Rate.Moreover, pressure maintaining valve will not be depressurized when water feeding pressure is low to water outlet hydraulic pressure, so as to reach preferable voltage regulation result.
The utility model additionally provide be provided with a kind of water purifier, including plate of water route, the plate of water route bar shaped install lead
Groove and the annular mounting groove connected with the bar shaped mounting groove, in addition to the pressure maintaining valve being arranged in the plate of water route；Coordinating will
The inlet opening seals the 3rd sealing ring and the 4th sealing ring that separate with the apopore；The pressure maintaining valve is any of the above-described kind
Pressure maintaining valve, because above-mentioned pressure maintaining valve has the effect above, the water purifier with above-mentioned pressure maintaining valve has same effect, therefore herein
Repeat no more.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are these
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the pressure maintaining valve that the utility model embodiment is provided；
Fig. 2 is the assembling structure schematic diagram for the pressure maintaining valve that the utility model embodiment is provided；
Fig. 3 is the structural representation when pressure maintaining valve that the utility model embodiment is provided is applied.
Embodiment
The utility model embodiment provides a kind of pressure maintaining valve, and pressure maintaining valve can be integrated in plate of water route, and then is easy to
Installation of the pressure maintaining valve on water purifier.
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of the utility model protection.
Accompanying drawing 1-3 is refer to, the pressure maintaining valve that the utility model embodiment is provided includes：Be provided with inlet opening 1, apopore 2,
The axis collinear or parallel and both of which and second of first annular seal space A and the second annular seal space B shell, apopore 2 and inlet opening 1
Annular seal space B is connected；Have on outer shell outer wall and projection 31 is installed, raised 31 bar shapeds for being inserted into plate of water route are installed guide groove is installed simultaneously
In the annular mounting groove for screwing in plate of water route；The motion bar in shell is axially displaceably arranged on, motion bar has connection first
Annular seal space A and the second annular seal space B centre bore 71, and motion bar stretches into first annular seal space A one end with the first pressure-bearing surface, it is living
Lever stretches into the second annular seal space B one end with that can block the second pressure-bearing surface of inlet opening 1, and the area of the first pressure-bearing surface is big
In the area of the second pressure-bearing surface；It is set in the spring 6 on motion bar；The first limit offseted with the one end of spring 6 away from inlet opening 1
Position part, the first locating part is fixedly connected with motion bar；The second locating part offseted with spring 6 close to one end of inlet opening 1, second
Locating part is fixedly connected with shell.
Using when, pressure maintaining valve is arranged on water purifier, and inlet opening 1 is connected with water inlet pipe, apopore 2 and water purifier
Water inlet connection, so, when the water feeding pressure in water inlet pipe is higher than water feeding pressure as defined in water purifier, the height in water inlet pipe
Water is pressed by the inlet opening 1 of pressure maintaining valve, through the gap between the second pressure-bearing surface and inlet opening 1, into the second annular seal space B, Ran Houjing
Motion bar centre bore 71 enters first annular seal space A, in the presence of the difference in areas of hydraulic pressure and the first pressure-bearing surface and the second pressure-bearing surface
First annular seal space A formation pressure chambers, overcome the elastic force of spring 6 to promote motion bar to be moved to the direction close to the second annular seal space B, so that
Reduce the gap between the second pressure-bearing surface and inlet opening 1, the purpose of outlet decompression, the low pressure after decompression are reached using reducing pressure by regulating flow
Water can flow into the water inlet of water purifier from apopore 2；When the water feeding pressure in water inlet pipe is not higher than water of being intake as defined in water purifier
During pressure, the motive force that first annular seal space A applies to the first pressure-bearing surface is less than the elastic force of spring 6, and spring 6 can promote motion bar to remote
Direction movement from the second annular seal space B, so as to increase the gap between the second pressure-bearing surface and inlet opening 1, the gap is not enough to hair
The effect of throttling is waved, now pressure maintaining valve will not be depressured to water feeding pressure, so the hydraulic pressure that apopore 2 flows out enters equal to inlet opening 1
The hydraulic pressure entered.
Due to apopore 2 of the present utility model and the axis collinear or parallel and both of which of inlet opening 1 and the second annular seal space B
Connection；So apopore 2 and inlet opening 1 are located at the same orientation of shell, such pressure maintaining valve is in assembling, first by outer shell outer wall
Guide grooves insertion is installed in the bar shapeds that installation projection 31 is directed at plate of water route, after installation projection 31 is entered in annular mounting groove, rotation
Shell, makes installation projection 31 be caught in annular mounting groove, you can pressure maintaining valve is fixed in plate of water route, so can be by pressure maintaining valve
It is integrated in plate of water route, and then is easy to installation of the pressure maintaining valve on water purifier.
In addition, above-mentioned pressure maintaining valve ensure that the water feeding pressure of water purifier is up to standard, so as to reduce water purifier maintaining frequency
Rate.Moreover, pressure maintaining valve will not be depressurized when water feeding pressure is low to water outlet hydraulic pressure, so as to reach preferable voltage regulation result.Meanwhile, this
The spring 6 of utility model does not contact water, improves the service life of spring 6.
In the specific embodiment of the utility model one, the first locating part is first annular spacing preiection 72, first annular spacing
Projection 72 is integral type structure with motion bar.The utility model utilizes the projection on motion bar and one of spring 6 away from inlet opening 1
End offsets, and one end progress to spring 6 is spacing, simple in construction, is easy to processing.Above-mentioned first locating part can also be other knots
Structure, is such as coated at motion bar and the spacing ring being fixedly connected with motion bar, this is no longer going to repeat them for the utility model.
For the ease of compression spring 6, it is preferred that shell has the installation cavity with atmosphere, spring 6 is located at installation cavity
It is interior.So, hydraulic pressure only needs to overcome the elastic force of spring 6, you can driving motion bar movement, improves functional reliability.Certainly,
Above-mentioned installation cavity can not also with atmosphere, now hydraulic pressure need to overcome the pressure that atmospheric pressure in installation cavity is produced.
In the specific embodiment of the utility model one, the second locating part is the stop sleeve 5 in installation cavity, stop sleeve
5 are offseted by the second annular stop projection with spring 6.The utility model using stop sleeve 5 the second annular stop it is raised with
Spring 6 offsets, and realizes the restriction to the other end of spring 6, is easy to assembling.Certainly, the utility model also with using spacing ring or
The projection of housing itself realizes same effect.
There is the gap with atmosphere, stop sleeve 5 has connection in the present embodiment, between stop sleeve 5 and shell
The micropore 51 of gap and installation cavity, such spring 6 is by the micropore 51 of stop sleeve 5, between stop sleeve 5 and shell
Gap and atmosphere, the size for being easily installed chamber change with the movement of motion bar.Certainly, above-mentioned stop sleeve 5 also may be used
To be not provided with above-mentioned micropore 51, it is spaced by being set between stop sleeve 5 and shell, to connect above-mentioned installation cavity and air.
For the ease of the assembly and disassembly of motion bar, shell includes outer cover body 3 and the upper lid 9 being detachably connected with outer cover body 3.
During assembling, spring 6 and stop sleeve 5 are loaded onto on motion bar first, its components is constituted, its components is then loaded into shell
In body 3, lid 9 is finally installed on outer cover body 3, specifically, upper lid 9 is locked on outer cover body 3 using screw.This
Utility model makes its components and upper lid 9 dismantled and assembled, is easy to the maintaining of pressure maintaining valve.Certainly, above-mentioned shell can also include
Overall housing, now can be using injection or cast molding.
As shown in figure 1, first annular spacing preiection 72 is slidably matched with stop sleeve 5, stop sleeve 5 is close to the first sealing
Chamber A one end is tightly connected by the first sealing ring 8 with upper lid 9, motion bar, and the first sealing ring 8, motion bar and upper lid 9 are formed
First annular seal space A.The present embodiment makes stop sleeve 5 be offseted with upper lid 9, and stop sleeve 5 and upper lid 9 and first annular limit convex
Play 72 to be tightly connected by the first sealing ring 8, separate spring 6 and first annular seal space A sealings.Above-mentioned stop sleeve 5 also may be used
Not offset with upper lid 9, make to form the gap connected with installation cavity between lid 9 and stop sleeve 5, and on outer cover body 3
Open up the through hole with atmosphere；Now utilize the upper lid 9 of the first sealing ring 8 sealing and outer cover body 3 and outer cover body 3 and the
One annular stop projection 72, to realize the same effect for separating spring 6 and first annular seal space A sealings, the utility model pair
This is not especially limited.
In further technical scheme, the second annular stop projects through the second sealing ring 4 and outer cover body 3, motion bar
It is tightly connected, the second sealing ring 4, outer cover body 3 and motion bar the second annular seal space B of formation, sealing effectiveness are preferable.The utility model
It is integral type structure that the second annular stop can also be made raised with outer cover body 3, so seals second merely with the second sealing ring 4
Annular stop projection is that the second annular seal space B can be achieved to separate with installation cavity sealing with motion bar.
In order to improve the stationarity of assembling, projection 31 is installed raised including the first projection being oppositely arranged and second；Now
First raised and the second projection line passes through the axis of shell, and the circumferential installation site by two projections respectively to shell is entered
Row is spacing, while fixing clamping using the annular mounting groove of two projections and plate of water route, fixing intensity is preferable.Certainly, above-mentioned peace
Dress projection 31 can also only include a projection or the projection of other numbers.
In above-described embodiment, apopore 2 is the looping pit with the coaxial line of inlet opening 1, is easy to apopore 2 and inlet opening 1
Sealing is separated.Certainly, apopore 2 can also be the circular port parallel with inlet opening 1, and the utility model does not do specific limit to this
It is fixed.
In order to further optimize above-mentioned technical proposal, motion bar includes activity bar body 7 and is arranged on activity bar body 7 leaning on
The closure pad 10 of one end of nearly inlet opening 1, end face the second pressure-bearing surface of formation of closure pad 10.Using when, from inlet opening 1 enter
High-pressure water inlet, enters the second annular seal space B, then the centre bore through motion bar from the gap between closure pad 10 and outer cover body 3
The first annular seal space A as pressure chamber is formed between the 71 upper tops of lid 9 of entrance, the first pressure-bearing surface of upper lid 9 and motion bar, is overcome
The elastic force of spring 6 promotes motion bar to move down, so as to change the gap between closure pad 10 and housing, reaches the mesh of outlet decompression
's.
When water feeding pressure is higher, the utility model blocks inlet opening 1 using pad 10 is blocked, and closure pad 10 is flexible,
Sealing effectiveness is preferable, so the reliability of pressure maintaining valve closing can be improved.Interchangeable, the utility model can also utilize activity
End face or spring leaf the second pressure-bearing surface of formation of bar body 7 itself.
In the utility model actual application scheme, the intake pressure of water purifier can be reduced to by pressure maintaining valve by 1.2MPa
0.4MPa, and in intake pressure less than 0.4MPa as do not depressurized when being 0.2MPa.
Water under high pressure (pressure is P1) enters the second annular seal space B from inlet opening 1 through gap, is flowed out through apopore 2, while by the
Centre bore 71 of the two annular seal space B hydraulic pressure through motion bar reaches first annular seal space A, first annular seal space A and the second annular seal space B pressure
Power is equal to the pressure of apopore 2 (pressure is P2).
We set, and the first pressure-bearing radius surface is R1, and the second pressure-bearing radius surface is R2, then the second pressure-bearing surface is in 0.2MPa
Downward motive force is F1=200000 × π × (R12-R22)
The elastic force F bullets for setting spring 6 are equal to F1, and as hydraulic pressure P1≤0.2MPa of inlet opening 1, then motion bar is by downward
Motive force F2≤F1, the elastic force of spring 6 overcomes F2 to promote motion bar to be moved to the direction close to first annular seal space A, make shell with
The gap remained constant between pad 10 is blocked, so as to realize that current are unimpeded, makes P1=P2.
When water feeding pressure is higher than 0.2MPa, i.e. during 0.2 ＜ P1≤1.0MPa, F2 ＞ F1；I.e. when the water in high-pressure water inlet hole 1
When pressing as 1.0MPa, motive force F2 promotes motion bar to be moved to the direction close to the second annular seal space B, can pad shell with closure
Gap shrinks between 10 stop water inlet, to protect water purifier to 0.
The utility model embodiment, which is additionally provided, is provided with bar shaped installation in a kind of water purifier, including plate of water route, plate of water route
Guide groove and the annular mounting groove connected with bar shaped mounting groove, in addition to the pressure maintaining valve being arranged in plate of water route；Coordinate inlet opening 1
The 3rd sealing ring 11 and the 4th sealing ring 12 that separate are sealed with apopore 2；Pressure maintaining valve provides for any of the above-described embodiment
Pressure maintaining valve, can be integrated in plate of water route by pressure maintaining valve, and then be easy to installation of the pressure maintaining valve on water purifier.
When assembling pressure maintaining valve, guide groove insertion is installed in the bar shaped that the installation projection 31 of outer shell outer wall first is directed at into plate of water route,
After installation projection 31 is entered in annular mounting groove, rotational shell makes installation projection 31 be caught in annular mounting groove, you can will
Pressure maintaining valve is fixed in plate of water route, at the same the utility model by the 3rd sealing ring 11 and the 4th sealing ring 12 by inlet opening 1 with
The sealing of apopore 2 is separated, and sealing property is reliable, and easy to assembly.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (10)
1. a kind of pressure maintaining valve, it is characterised in that including：
It is provided with the shell of inlet opening (1), apopore (2), first annular seal space (A) and the second annular seal space (B), the apopore
(2) connected with the axis collinear or parallel and both of which of the inlet opening (1) with second annular seal space (B)；Outside the shell
Have on wall and install raised (31), the bar shaped that the installation raised (31) is inserted into plate of water route installs guide groove and screws in the water
In the annular mounting groove of road plate；
The motion bar in the shell is axially displaceably arranged on, the motion bar, which has, connects the first annular seal space (A)
With the centre bore (71) of second annular seal space (B), and the motion bar stretches into one end of the first annular seal space (A) has the
One pressure-bearing surface, one end that the motion bar stretches into second annular seal space (B) has can block the inlet opening (1) the
Two pressure-bearing surfaces, the area of first pressure-bearing surface is more than the area of second pressure-bearing surface；
It is set in the spring (6) on the motion bar；
With one end first locating part that offsets of the spring (6) away from the inlet opening (1), first locating part with it is described
Motion bar is fixedly connected；
With the spring (6) close to the inlet opening (1) the second locating part for offseting of one end, second locating part with it is described
Shell is fixedly connected.
2. pressure maintaining valve according to claim 1, it is characterised in that first locating part is first annular spacing preiection
(72), the first annular spacing preiection (72) and the motion bar are integral type structure.
3. pressure maintaining valve according to claim 2, it is characterised in that the shell has the installation cavity with atmosphere, institute
Spring (6) is stated in the installation cavity.
4. pressure maintaining valve according to claim 3, it is characterised in that second locating part is in the installation cavity
Stop sleeve (5), the stop sleeve (5) offsets by the way that the second annular stop is raised with the spring (6), the stop sleeve
(5) there is the gap with atmosphere between the shell, the stop sleeve (5), which has, connects the gap and the peace
The micropore (51) behaveing affectedly.
5. pressure maintaining valve according to claim 4, it is characterised in that the shell include outer cover body (3) and with it is described outer
The upper lid (9) that shell body (3) is detachably connected.
6. pressure maintaining valve according to claim 5, it is characterised in that the first annular spacing preiection (72) and the support
Sleeve (5) is slidably matched, the stop sleeve (5) close to the first annular seal space (A) one end by the first sealing ring (8) with
The upper lid (9), the motion bar are tightly connected, and first sealing ring (8), the motion bar and the upper lid (9) are formed
The first annular seal space (A).
7. pressure maintaining valve according to claim 5, it is characterised in that second annular stop projects through the second sealing ring
(4) it is tightly connected with the outer cover body (3), the motion bar, second sealing ring (4), the outer cover body (3) and institute
State motion bar and form second annular seal space (B).
8. pressure maintaining valve according to claim 1, it is characterised in that the installation raised (31) includes first be oppositely arranged
Raised and the second projection；
The apopore (2) is the looping pit with the inlet opening (1) coaxial line.
9. the pressure maintaining valve according to claim any one of 1-8, it is characterised in that the motion bar includes activity bar body
(7) and be arranged on the activity bar body (7) close to the inlet opening (1) one end closure pad (10), it is described closure pad
(10) end face forms second pressure-bearing surface.
10. be provided with a kind of water purifier, including plate of water route, the plate of water route bar shaped install guide groove and with the bar shaped mounting groove
The annular mounting groove of connection；Characterized in that, also including：
The pressure maintaining valve in the plate of water route is arranged on, the pressure maintaining valve is the pressure maintaining valve as described in claim any one of 1-9；
Coordinate the 3rd sealing ring (11) and the 4th sealing ring that the inlet opening (1) and the apopore (2) are sealed and separated
(12)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621331362.XU CN206386532U (en) | 2016-12-06 | 2016-12-06 | A kind of pressure maintaining valve and water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621331362.XU CN206386532U (en) | 2016-12-06 | 2016-12-06 | A kind of pressure maintaining valve and water purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206386532U true CN206386532U (en) | 2017-08-08 |
Family
ID=59488852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621331362.XU Active CN206386532U (en) | 2016-12-06 | 2016-12-06 | A kind of pressure maintaining valve and water purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206386532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553069A (en) * | 2019-09-27 | 2019-12-10 | 谷力(厦门)科技有限公司 | Fluid pressure stabilizing valve |
-
2016
- 2016-12-06 CN CN201621331362.XU patent/CN206386532U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553069A (en) * | 2019-09-27 | 2019-12-10 | 谷力(厦门)科技有限公司 | Fluid pressure stabilizing valve |
| CN110553069B (en) * | 2019-09-27 | 2024-05-24 | 谷力(厦门)科技有限公司 | Fluid pressure stabilizing valve |
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