CN209540270U - Pressure adjustable One-way Plastic Valves - Google Patents
Pressure adjustable One-way Plastic Valves Download PDFInfo
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- CN209540270U CN209540270U CN201920058341.2U CN201920058341U CN209540270U CN 209540270 U CN209540270 U CN 209540270U CN 201920058341 U CN201920058341 U CN 201920058341U CN 209540270 U CN209540270 U CN 209540270U
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- pressure
- intake tunnel
- seal plate
- accommodating chamber
- exhalant canal
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Abstract
The utility model discloses a kind of pressure adjustable One-way Plastic Valves, the Water outlet of the water inlet head right part is connected to including water inlet head and left part, there is intake tunnel inside the water inlet head, there is exhalant canal inside the Water outlet, the intake tunnel is connected to the exhalant canal, the right part of the intake tunnel or the left part of exhalant canal have valve chamber, the engaging portion of the valve chamber and the intake tunnel is formed with left step, a pressure regulation circle is bolted in the valve chamber, the pressure regulation circle has the accommodating chamber of left part opening, the pressure regulation circle is equipped with the water passage of the left and right side for the right side wall that one is connected to the accommodating chamber, the middle position of the right side of the pressure regulation circle is equipped with tool card hole, and, a seal plate that can be moved left and right is equipped in the accommodating chamber, the left-hand face of the seal plate and the left step match, the right lateral surface of the seal plate and the accommodating chamber Right side wall between be equipped with pressure spring.Advantage is: the scope of application is relatively wide, cost is relatively low.
Description
Technical field
The present invention relates to valve technology fields, more particularly, to a kind of pressure adjustable One-way Plastic Valves.
Background technique
The opening pressure of the existing One-way Plastic Valves applied to small pipeline is very close to " 0 " pressure, to if be answered
The occasion that could be opened with certain pressure range is used, then is often difficult to reach requirement, and the pressure limit opened can be larger,
Even form over 50% error.Reason is that the spring precision of this check valve and the precision of plastic part are difficult control to one
A comparison accurately degree, unless cost is very high.Also there is the producer to use the shell of all-metal processing, then cause cost higher.
Summary of the invention
In view of the deficiency of the prior art, the object of the present invention is to provide a kind of pressure adjustable One-way Plastic Valves,
The characteristics of it has the scope of application wider, and cost is relatively low.
To achieve the goals above, the technical scheme adopted by the invention is that: pressure adjustable One-way Plastic Valves, including water inlet
Head and left part are connected to the Water outlet of the water inlet head right part, have the intake tunnel along left and right trend inside the water inlet head, should go out
There is the exhalant canal along left and right trend, which is connected to the exhalant canal, the right side of the intake tunnel inside head
End or the left part of exhalant canal have valve chamber, and the internal diameter of the valve chamber is greater than the internal diameter of the intake tunnel and the exhalant canal,
So the engaging portion of the valve chamber and the intake tunnel is formed with left step and the engaging portion of the exhalant canal is formed with right step,
Meanwhile a pressure regulation circle is bolted in the valve chamber, which has the accommodating chamber of left part opening, and the pressure regulation circle is equipped with one and connects
Lead to the water passage of the left and right side of the right side wall of the accommodating chamber, the middle position of the right side of the pressure regulation circle is equipped with tool card
Hole, and, a seal plate that can be moved left and right, the left-hand face of the seal plate and the left step phase are equipped in the accommodating chamber
Match, pressure spring is equipped between the right lateral surface of the seal plate and the right side wall of the accommodating chamber.
Sealing ring, the circumferential side wall matching of the sealing ring and the valve chamber are embedded on the circumferential surface of the pressure regulation circle.
The center of the accommodating chamber is equipped with the guide post extended to the left, which is open equipped with left side
Pilot hole, meanwhile, the center of the right side of the seal plate is equipped with the extending column extended to the right, and the right part of the extending column is inserted
In the pilot hole, and the right part of the pressure spring is set in the guide post.
The tool card hole is interior hexagonal card hole.
The left step is in the inclined plane shape protruded more to the right closer to center.
The center of the left-hand face of the seal plate has the lug boss protruded to the left, and the lug boss and the water inlet are logical
The right openings in road match.
After adopting the above structure, relatively wide, cost that the invention has the advantages that compared with the prior art: the scope of applications compared with
It is low.Pressure adjustable One-way Plastic Valves of the invention, can be by adjusting the first of pressure spring under the premise of playing the role of one-way conduction
Beginning elastic force reaches and meets the different requirements for opening pressure, makes it have more wide use scope.Meanwhile it can adopt completely
It is prepared with plastics, it is made to keep lower cost.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is the front sectional view of the embodiment of the present invention.
In figure:
10, water inlet head, 11, intake tunnel；
20, Water outlet, 21, exhalant canal；
30, valve chamber, 31, Zuo Taijie, 32, right step；
40, pressure regulation circle, 41, accommodating chamber, 411, guide post, 412, pilot hole, 42, water passage, 43, tool card hole；
50, seal plate, 51, extending column, 52, lug boss；
60, pressure spring；
70, sealing ring.
Specific embodiment
Embodiment, as shown in Figure 1: pressure adjustable One-way Plastic Valves, including water inlet head 10 and left part are connected to the water inlet head
The Water outlet 20 of 10 right parts.In the present embodiment, the right part of the water inlet head 10 is arranged and is screwed onto the left part of the Water outlet 20.When
So, the anticreep step of annular is equipped on the circumferential outer surface of the water inlet head 10 and the Water outlet 20, the section of anticreep step is in
Right angled triangle.There is edge or so inside intake tunnel 11, the Water outlet 20 with edge left and right trend inside the water inlet head 10
The exhalant canal 21 of trend, the intake tunnel 11 and the exhalant canal 21 are to just and being connected to.
Further say:
The right part of the intake tunnel 11 or the left part of exhalant canal 21 have valve chamber 30.In the present embodiment, the water outlet
First 20 left part diameter becomes larger, and the valve chamber 30 is formed in the left part of the Water outlet 20.The internal diameter of the valve chamber 30 is greater than the water inlet
The internal diameter in channel 11 and the exhalant canal 21, so the engaging portion of the valve chamber 30 and the intake tunnel 11 be formed with left step 31,
Right step 32 is formed with the engaging portion of the exhalant canal 21.Meanwhile a pressure regulation circle 40 is bolted in the valve chamber 30.That is, the valve
The circumferential side wall of chamber 30 is equipped with internal screw thread, the circumferential outer surface of the pressure regulation circle 40 is equipped with external screw thread, internal screw thread and external screw thread
Threaded.The pressure regulation circle 40 has the accommodating chamber 41 of left part opening, and the pressure regulation circle 40 is equipped with one and is connected to the accommodating chamber 41
The water passage 42 of left and right side of right side wall, the pressure regulation circle 40 the middle position of right side be equipped with tool card hole 43.
The tool card hole 43 is just aligned with the exhalant canal 21.And a sealing that can be moved left and right is equipped in the accommodating chamber 41
Plate 50.The left-hand face of the seal plate 50 and the left step 31 match, the right lateral surface of the seal plate 50 and the accommodating chamber 41
Pressure spring 60 is equipped between right side wall.That is, the left-hand face of the seal plate 50 is in close contact the left step 31, and the pressure spring 60 makes this
Seal plate 50 has the trend being moved to the left.In this way, when water enters from the intake tunnel 11, once hydraulic pressure gives the seal plate
50 pressure to the right is greater than the pressure spring 60 and gives the pressure of seal plate 50 to the left, then the seal plate 50 moves right, and water enters
In the accommodating chamber 41, the right of the pressure regulation circle 40 is then entered via the water passage 42, is finally flowed out of this exhalant canal 21
Out；Conversely, when water enters out of this exhalant canal 21, water enters in the accommodating chamber 41 out of this water passage 42, water and should
Pressure spring 60 gives the pressure of seal plate 50 to the left, which can more compress the left step 31, the intake tunnel 11
It can not open, water cannot be introduced into the intake tunnel 11.In this way, formation is unidirectional to cross water.Obviously, the pressure size of the pressure spring 60,
Directly decide the opening pressure size of the check valve.When needing according to circumstances and when adjusting the opening pressure of the check valve, only
It need to be inserted into the tool card hole 43 using tools such as screwdrivers, rotate the pressure regulation circle 40, the initial elastic force of the pressure spring 60 can be made to obtain
To variation, then change the opening pressure of the check valve.
Optimization:
Sealing ring 70, the circumferential side wall phase of the sealing ring 70 and the valve chamber 30 are embedded on the circumferential surface of the pressure regulation circle 40
Match.That is, the sealing ring 70 equally closely squeezes the inside circumference wall of the valve chamber 30.In this way, not only avoiding causing when water flowing
The unnecessary movement or loosening of the pressure regulation circle 40, and ensure that water will not flow through between the pressure regulation circle 40 and the valve chamber 30.
The center of the accommodating chamber 41 is equipped with the guide post 411 extended to the left, and the center of the guide post 411 is equipped with
The pilot hole 412 of left side opening.Meanwhile the center of the right side of the seal plate 50 is equipped with the extending column 51 extended to the right.
The right part of the extending column 51 is inserted in the pilot hole 412, and the right part of the pressure spring 60 is set in the guide post 411.In this way, not
Only make structure more compact, and ensures when the seal plate 50 is mobile for translation.
The tool card hole 43 is interior hexagonal card hole.That is, using the screwdriver with turret head come the turn pressure regulation circle 40.
The left step 31 is in the inclined plane shape protruded more to the right closer to center.Thus it is ensured that the seal plate 50 and should
The tight fit of left step 31.
The center of the left-hand face of the seal plate 50 has the lug boss 52 that protrudes to the left, the lug boss 52 and should be into
The right openings of aquaporin 11 match.That is, the lug boss 52 is just stuck in the right openings of the intake tunnel 11, so that should be only
The sealing effect of water plate 50 is more preferable.The longitudinal section of the lug boss 52 is preferably isosceles trapezoid of the short side in left, long side on the right side, and short
The length on side is greater than the right openings of the intake tunnel 11 less than the diameter of the right openings of the intake tunnel 11, the length of long side
Diameter.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (6)
1. pressure adjustable One-way Plastic Valves are connected to the Water outlet of water inlet head (10) right part including water inlet head (10) and left part
(20), the water inlet head (10) inside is internal with along left and right with intake tunnel (11), Water outlet (20) along left and right trend
The exhalant canal (21) of trend, the intake tunnel (11) are connected to the exhalant canal (21), it is characterised in that: the intake tunnel
(11) left part of right part or exhalant canal (21) has valve chamber (30), and the internal diameter of the valve chamber (30) is greater than the intake tunnel
(11) and the internal diameter of the exhalant canal (21), so the engaging portion of the valve chamber (30) and the intake tunnel (11) is formed with left step
(31) it is formed with right step (32) with the engaging portion of the exhalant canal (21), meanwhile, a pressure regulation circle is bolted in the valve chamber (30)
(40), which has the accommodating chamber (41) of left part opening, and the pressure regulation circle (40) is equipped with one and is connected to the accommodating chamber
(41) water passage (42) of the left and right side of right side wall, the middle position of the right side of the pressure regulation circle (40) are equipped with tool
Card hole (43), and, a seal plate (50) that can be moved left and right, the left side of the seal plate (50) are equipped in the accommodating chamber (41)
Surface and the left step (31) match, and pressure is equipped between the right lateral surface of the seal plate (50) and the right side wall of the accommodating chamber (41)
Spring (60).
2. pressure adjustable One-way Plastic Valves according to claim 1, it is characterised in that: the circumference table of the pressure regulation circle (40)
Sealing ring (70) are embedded on face, the circumferential side wall of the sealing ring (70) and the valve chamber (30) matches.
3. pressure adjustable One-way Plastic Valves according to claim 1, it is characterised in that: the centre bit of the accommodating chamber (41)
The guide post (411) extended to the left is installed, which is equipped with the pilot hole (412) of left side opening, together
When, the center of the right side of the seal plate (50) is equipped with the extending column (51) extended to the right, the right part of the extending column (51)
It is inserted in the pilot hole (412), and the right part of the pressure spring (60) is set in the guide post (411).
4. pressure adjustable One-way Plastic Valves according to claim 1, it is characterised in that: the tool card hole (43) is interior six
Corner card hole.
5. pressure adjustable One-way Plastic Valves according to claim 1, it is characterised in that: the left step (31) be in closer to
The inclined plane shape that center is protruded more to the right.
6. pressure adjustable One-way Plastic Valves according to claim 1, it is characterised in that: the left side table of the seal plate (50)
The center in face has the lug boss (52) protruded to the left, the right openings phase of the lug boss (52) and the intake tunnel (11)
Match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920058341.2U CN209540270U (en) | 2019-01-14 | 2019-01-14 | Pressure adjustable One-way Plastic Valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920058341.2U CN209540270U (en) | 2019-01-14 | 2019-01-14 | Pressure adjustable One-way Plastic Valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209540270U true CN209540270U (en) | 2019-10-25 |
Family
ID=68269656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920058341.2U Active CN209540270U (en) | 2019-01-14 | 2019-01-14 | Pressure adjustable One-way Plastic Valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209540270U (en) |
-
2019
- 2019-01-14 CN CN201920058341.2U patent/CN209540270U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |