CN206458861U - A kind of one-way valve structures - Google Patents
A kind of one-way valve structures Download PDFInfo
- Publication number
- CN206458861U CN206458861U CN201720072574.9U CN201720072574U CN206458861U CN 206458861 U CN206458861 U CN 206458861U CN 201720072574 U CN201720072574 U CN 201720072574U CN 206458861 U CN206458861 U CN 206458861U
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- China
- Prior art keywords
- ball
- sealing ring
- spool chamber
- seat
- annular element
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Abstract
The utility model is related to check valve technical field, more particularly to a kind of one-way valve structures, and spool chamber is provided with the top of suction valve seat；The bottom of suction valve seat is provided with the suction passage being connected with spool chamber；Circulation duct is provided with ball seat；Sealing ring insertion is fixed on the tube wall of circulation duct；The inner chamber of spool chamber is provided with ball cover；Ball cover is internally provided with pressure ball；The interior circular diameter of sealing ring is less than the diameter of pressure ball；Pressure ball is pressed on the upper surface of sealing ring；Ring external screw thread is mutually threadedly coupled with internal thread；Ball cover is pressed on the upper surface of ball seat by annular element；The inner ring of annular element is polygonal hole.When using the utility model, only annular element is rotated required to the instrument that polygonal hole is matched, annular element is set to ease out outside spool chamber, sealing ring, ball seat, ball cover and pressure ball can take out at spool chamber, pressure ball can take out out of ball cover, all parts can be cleaned easily, solve the big problem of the cleaning difficulty of check valve.
Description
Technical field
The utility model is related to check valve technical field, more particularly to a kind of one-way valve structures.
Background technology
When using geopressure gradient liquid chromatograph, often one or more liquid are input to by instrumentation tube by external force
Lu Zhong, in this process, it is to be ensured that the fluid flow of input is stable, and is not easy to block, and the device, will by unidirectionally designing
In the intake line of liquid stabilising, and suck-back phenomenon will not be produced, so that it is guaranteed that the stability of instrument.Due to the pipe of check valve
Footpath is thinner, easily because being stained with debris on tube wall, and causes valve body flow-reduction, can be blocked when serious, so needing
Periodically to take check valve apart and carry out internal washing.But one-way valve structures are more complicated now, and dismounting difficulty is higher, so single
It is a hang-up to the internal washing of valve.
Therefore be necessary to carry out further technological innovation to existing one-way valve structures.
The content of the invention
The purpose of this utility model is conveniently to dismantle there is provided one kind for the defect and deficiency of prior art, is easy to clear
The one-way valve structures washed.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of one-way valve structures described in the utility model, it includes suction valve seat, ball seat, annular element and sealing ring；
Spool chamber is provided with the top of the suction valve seat；The bottom of the suction valve seat is provided with the suction being connected with spool chamber and led to
Road；The bottom of the spool chamber is provided with sealing ring；Circulation duct is provided with the ball seat；The sealing ring insertion is fixed on
On the tube wall of circulation duct；The ball seat inserts the upper surface that sealing ring is pressed on after spool chamber from top to bottom；The spool chamber
Inner chamber be provided with ball cover；The ball cover is internally provided with pressure ball；The interior circular diameter of the sealing ring is less than pressure ball
Diameter；The pressure ball is pressed on the upper surface of sealing ring；The inner cavity top of the spool chamber is provided with internal thread；The annular
The lateral wall of part is provided with the ring external screw thread matched with internal thread；The ring external screw thread is mutually threadedly coupled with internal thread；It is described
Ball cover is pressed on the upper surface of ball seat by annular element；The inner ring of the annular element is polygonal hole.
Further, the polygonal hole is triangle, is just putting appointing in shape, regular pentagon shape, regular hexagon shape
Meaning is a kind of.
Further, the ball cover is made up of straight connecting rod, gag lever post and retainer ring；The quantity of the gag lever post is at least three
Root；It is parallel to each other between the gag lever post；The gag lever post is circularly and evenly distributed outside pressure ball；Two adjacent gag lever posts
The distance between be less than pressure ball diameter；It is connected to a fixed between two adjacent gag lever posts by straight connecting rod；The annular
The lower surface of part is pressed on gag lever post one end；The gag lever post other end is each attached on retainer ring end face；The fixation
Ring other end is pressed on the upper surface of ball seat；The interior circular diameter of the retainer ring is more than the diameter of pressure ball.
After said structure, the utility model has the beneficial effect that：A kind of one-way valve structures described in the utility model, it
Include suction valve seat, ball seat, annular element and sealing ring；Spool chamber is provided with the top of the suction valve seat；The inlet valve
The bottom of seat is provided with the suction passage being connected with spool chamber；The bottom of the spool chamber is provided with sealing ring；The ball seat
On be provided with circulation duct；The sealing ring insertion is fixed on the tube wall of circulation duct；The ball seat inserts valve from top to bottom
The upper surface of sealing ring is pressed on after core cavity；The inner chamber of the spool chamber is provided with ball cover；The ball cover is internally provided with pressure
Power ball；The interior circular diameter of the sealing ring is less than the diameter of pressure ball；The pressure ball is pressed on the upper surface of sealing ring；It is described
The inner cavity top of spool chamber is provided with internal thread；The lateral wall of the annular element is provided with spiral shell outside the ring matched with internal thread
Line；The ring external screw thread is mutually threadedly coupled with internal thread；The ball cover is pressed on the upper surface of ball seat by annular element；The ring
The inner ring of shape part is polygonal hole.When using the utility model, liquid is passed sequentially through after suction passage, sealing ring and sealing ring
Push pressure ball open, make liquid from ball cover flows out to spool chamber, after spool chamber up flows a segment distance, enter back into pressure
In ball cover part above ball, finally flowed out at polygonal hole；After transfusion terminates, pressure ball due in the presence of gravity from
By falling, pressure ball is compressed to sealing ring and sealed, if having the larger pressure to enter spool chamber at polygonal hole, increase by one
It is individual to promote pressure ball toward downward thrust, make pressure ball be pressed in sealing ring pressure it is bigger, better tightness；And in dismounting,
Annular element only is rotated required to the instrument that polygonal hole is matched, annular element is eased out outside spool chamber, sealing ring, ball seat, ball cover
It can be taken out with pressure ball at spool chamber, pressure ball can be taken out out of ball cover, and all parts can be cleaned easily, be solved
The big problem of the cleaning difficulty of check valve.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation that pressure ball loads in ball cover；
Fig. 3 is the structural representation of ball cover；
Description of reference numerals：
1st, valve seat is sucked；101st, spool chamber；101a, internal thread；102nd, suction passage；
2nd, sealing ring；3rd, ball seat；301st, circulation duct；4th, annular element；401st, ring external screw thread；
402nd, polygonal hole；5th, ball cover；501st, straight connecting rod；502nd, gag lever post；503rd, retainer ring；
6th, pressure ball；7th, sealing ring.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 3, a kind of one-way valve structures described in the utility model, it include suction valve seat 1, ball seat 3,
Annular element 4 and sealing ring 7；The top of the suction valve seat 1 is provided with spool chamber 101；The bottom of the suction valve seat 1 is provided with
The suction passage 102 being connected with spool chamber 101；The bottom of the spool chamber 101 is provided with sealing ring 2；Set on the ball seat 3
It is equipped with circulation duct 301；The insertion of sealing ring 7 is fixed on the tube wall of circulation duct 301；The ball seat 3 is inserted from top to bottom
Enter the upper surface that sealing ring 2 is pressed on after spool chamber 101；The inner chamber of the spool chamber 101 is provided with ball cover 5；The ball cover 5
It is internally provided with pressure ball 6；The interior circular diameter of the sealing ring 7 is less than the diameter of pressure ball 6；The pressure ball 6 is pressed on close
The upper surface of seal ring 7；The inner cavity top of the spool chamber 101 is provided with internal thread 101a；The lateral wall of the annular element 4 is set
There is the ring external screw thread 401 matched with internal thread 101a；The ring external screw thread 401 is threadedly coupled with internal thread 101a phases；It is described
Ball cover 5 is pressed on the upper surface of ball seat 3 by annular element 4；The inner ring of the annular element 4 is polygonal hole 402；During transfusion, liquid
Body pushes pressure ball 6 open after passing sequentially through suction passage 102, sealing ring 2 and sealing ring 7, liquid is flowed out to spool chamber from ball cover 5
In 101, after spool chamber 101 up flows a segment distance, in the part of ball cover 5 for entering back into the top of pressure ball 6, finally many
Flowed out at side shape hole 402；After transfusion terminates, pressure ball 6 is due to free-falling in the presence of gravity, and pressure ball 6 is to sealing ring 7
Sealing is compressed, if having the larger pressure to enter spool chamber 101 at polygonal hole 402, increases by one toward downward thrust
Promote pressure ball 6, make pressure ball 6 be pressed in sealing ring 7 pressure it is bigger, better tightness；And in dismounting, it is only necessary to for polygon
The instrument that shape hole 402 is matched rotates annular element 4, annular element 4 is eased out outside spool chamber 101, sealing ring 2, ball seat 3, the and of ball cover 5
Pressure ball 6 can be taken out at spool chamber 101, and pressure ball 6 can be taken out out of ball cover 5, and all parts can be cleaned easily, be solved
Determine the big problem of cleaning difficulty of check valve.
As a kind of preferred embodiment of the present utility model, the polygonal hole 402 is triangle, is just putting shape, positive five
Any one in side shape, regular hexagon shape, for aperture of different shapes, with different specific purpose tools.
As a kind of preferred embodiment of the present utility model, the ball cover 5 is by straight connecting rod 501, gag lever post 502 and retainer ring
503 compositions；The quantity of the gag lever post 502 is at least three；It is parallel to each other between the gag lever post 502；The gag lever post 502
It is circularly and evenly distributed outside pressure ball 6；The interior intracavitary that pressure ball 6 can be surrounded in gag lever post 502 is slided；Adjacent two are spacing
The distance between bar 502 is less than the diameter of pressure ball 6；It is connected solid by straight connecting rod 501 between two adjacent gag lever posts 502
It is fixed；A regular polygon is surrounded between each straight connecting rod 501, the inscribed circle diameter of regular polygon is less than the diameter of pressure ball 6；Directly
Connecting rod 501 is spacing as pressure ball 6, prevents pressure ball 6 from getting lodged at polygonal hole 402；The lower surface of the annular element 4 is pressed on
On the one end of gag lever post 502；The other end of gag lever post 502 is each attached on the end face of retainer ring 503；The retainer ring 503 is another
End face is pressed on the upper surface of ball seat 3；The interior circular diameter of the retainer ring 503 is more than the diameter of pressure ball 6.
When using the utility model, liquid, which is passed sequentially through, pushes pressure ball open after suction passage, sealing ring and sealing ring, directly
Connecting rod is spacing as pressure ball, puts only pressure ball and gets lodged at polygonal hole, liquid is from ball cover flows out to spool chamber, in spool chamber
Up flow after a segment distance, enter back into the ball cover part above pressure ball, finally flowed out at polygonal hole；Work as transfusion
After end, pressure ball is due to free-falling in the presence of gravity, and pressure ball is compressed to sealing ring and sealed, if had at polygonal hole
When larger pressure enters spool chamber, increase by one and promote pressure ball toward downward thrust, pressure ball is pressed in sealing ring
Pressure is bigger, better tightness；And in dismounting, it is only necessary to annular element is rotated for the instrument that polygonal hole is matched, makes annular element
Ease out outside spool chamber, sealing ring, ball seat, ball cover and pressure ball can take out at spool chamber, and pressure ball can take out of ball cover
Go out, all parts can be cleaned easily, solve the big problem of the cleaning difficulty of check valve.
Described above is only better embodiment of the present utility model, therefore all according to described in the utility model patent claim
The equivalent change or modification done of construction, feature and principle, be included in the utility model patent claim.
Claims (3)
1. a kind of one-way valve structures, it is characterised in that：It includes suction valve seat（1）, ball seat（3）, annular element（4）And sealing ring
（7）；The suction valve seat（1）Top be provided with spool chamber（101）；The suction valve seat（1）Bottom be provided with and valve element
Chamber（101）The suction passage being connected（102）；The spool chamber（101）Bottom be provided with sealing ring（2）；The ball seat（3）
On be provided with circulation duct（301）；The sealing ring（7）Insertion is fixed on circulation duct（301）Tube wall on；The ball seat
（3）Spool chamber is inserted from top to bottom（101）After be pressed on sealing ring（2）Upper surface；The spool chamber（101）Inner chamber set
There is ball cover（5）；The ball cover（5）Be internally provided with pressure ball（6）；The sealing ring（7）Interior circular diameter be less than pressure ball
（6）Diameter；The pressure ball（6）It is pressed on sealing ring（7）Upper surface；The spool chamber（101）Inner cavity top set
There is internal thread（101a）；The annular element（4）Lateral wall be provided with and internal thread（101a）The ring external screw thread matched
（401）；The ring external screw thread（401）With internal thread（101a）Mutually it is threadedly coupled；The ball cover（5）Pass through annular element（4）Compress
In ball seat（3）Upper surface；The annular element（4）Inner ring be polygonal hole（402）.
2. a kind of one-way valve structures according to claim 1, it is characterised in that：The polygonal hole（402）For triangle
Shape, just putting any one in shape, regular pentagon shape, regular hexagon shape.
3. a kind of one-way valve structures according to claim 1, it is characterised in that：The ball cover（5）By straight connecting rod（501）、
Gag lever post（502）And retainer ring（503）Composition；The gag lever post（502）Quantity be at least three；The gag lever post（502）
Between be parallel to each other；The gag lever post（502）In pressure ball（6）It is circularly and evenly distributed outside；Two adjacent gag lever posts（502）
The distance between be less than pressure ball（6）Diameter；Two adjacent gag lever posts（502）Between pass through straight connecting rod（501）It is connected
It is fixed；The annular element（4）Lower surface be pressed on gag lever post（502）On one end；The gag lever post（502）The other end is fixed
In retainer ring（503）On end face；The retainer ring（503）Other end is pressed on ball seat（3）Upper surface；The retainer ring
（503）Interior circular diameter be more than pressure ball（6）Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720072574.9U CN206458861U (en) | 2017-01-20 | 2017-01-20 | A kind of one-way valve structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720072574.9U CN206458861U (en) | 2017-01-20 | 2017-01-20 | A kind of one-way valve structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206458861U true CN206458861U (en) | 2017-09-01 |
Family
ID=59699108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720072574.9U Active CN206458861U (en) | 2017-01-20 | 2017-01-20 | A kind of one-way valve structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206458861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112244235A (en) * | 2020-10-27 | 2021-01-22 | 顾元付 | Pork pickling equipment |
-
2017
- 2017-01-20 CN CN201720072574.9U patent/CN206458861U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112244235A (en) * | 2020-10-27 | 2021-01-22 | 顾元付 | Pork pickling equipment |
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