CN209054130U - Novel interior pressure Self-operated pressure valve mechanism - Google Patents
Novel interior pressure Self-operated pressure valve mechanism Download PDFInfo
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- CN209054130U CN209054130U CN201821638569.0U CN201821638569U CN209054130U CN 209054130 U CN209054130 U CN 209054130U CN 201821638569 U CN201821638569 U CN 201821638569U CN 209054130 U CN209054130 U CN 209054130U
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- membrane cover
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- upper membrane
- wave spring
- wall
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Abstract
The utility model discloses novel interior pressure Self-operated pressure valve mechanisms, including sequentially connected valve body, lower membrane cover and upper membrane cover from the bottom to top, are equipped with diaphragm by positon of near bottom in the lower membrane cover；Wave spring is equipped in the upper membrane cover；Axial one end of valve rod is connect by lower tray and top tray compression with diaphragm, and diaphragm is between lower tray and top tray, the axial other end of valve rod protrudes into valve body, the upper membrane cover is in the tube structure of open at both ends, the axial top of upper membrane cover is detachably equipped with seal cover board, and the axial bottom end of upper membrane cover is connect with lower membrane cover；The inner wall of upper membrane cover is equipped with internal screw thread, and circumferentially outer rim is equipped with annular adjusting set to the axial top end of the wave spring, and the axially outer edge side wall of the annular adjusting set is equipped with the external screw thread being adapted to the internal screw thread；The axial bottom end of wave spring is used for and film contact.The utility model increases the adjustable range and flexible adjustment by adjusting wave spring component for valve output pressure size.
Description
Technical field
The utility model relates to valve technology fields, and in particular to a kind of novel interior pressure Self-operated pressure valve mechanism.
Background technique
Self-contained pressure regulator is not necessarily to external energy, can work in no electricity without the place of gas, not only facilitate but also saved energy
Source.Pressure segmentation limit is thin and crosses one another, and degree of regulation is high.Pressure set points can continuously be set during operation.Rubber membrane
Chip detection, executing agency's detection accuracy are high, sensitive.Using pressure balance mechanism, so that regulating valve is quick on the draw, control essence
Really.
Pressure is relied on oneself valve in existing spring diaphragm type, waveform spring precompressed is introduced, instead of traditional cylindricality bullet
Spring had both been greatly lowered equipment total height, and had alleviated weight, it is often more important that avoid cylindrical spring it is many it is unreliable because
Element effectively extends the service life of regulating valve, but by adjusting adjusting of the wave spring component for valve output pressure size
Range is smaller.
Utility model content
The technical problem to be solved by the utility model is to pressure is relied on oneself valve in existing spring diaphragm type, pass through tune
Save wave spring component it is smaller for the adjustable range of valve output pressure size, the utility model provide solve the above problems it is new
Pressure Self-operated pressure valve mechanism in type.
The utility model is achieved through the following technical solutions:
Novel interior pressure Self-operated pressure valve mechanism, including sequentially connected valve body, lower membrane cover and upper film from the bottom to top
Lid, the lower membrane cover is interior to be equipped with diaphragm by positon of near bottom；Wave spring is equipped in the upper membrane cover；Axial one end of valve rod passes through subiculum
Disk and top tray compression are connect with diaphragm, and diaphragm, between lower tray and top tray, the axial other end of valve rod protrudes into valve
In vivo, the upper membrane cover is in the tube structure of open at both ends, and the axial top of upper membrane cover is detachably equipped with seal cover board, upper membrane cover
Axial bottom end connect with lower membrane cover；The inner wall of upper membrane cover is equipped with internal screw thread, and the axial top end of the wave spring is circumferentially outer
Edge is equipped with annular adjusting set, and the axially outer edge side wall of the annular adjusting set is equipped with the external screw thread being adapted to the internal screw thread；
The axial bottom end of wave spring is used for and film contact.
Utility model works principle is that by wave spring, excessively annular adjusting set is connect with upper membrane cover inner thread all, convenient
Wave spring of the user according to actual demand replacement different model.By taking action type working principle after valve as an example: pressure medium P2 directly into
Enter lower film room to act on diaphragm, generate a upward thrust, band movable valve plug moves upwards, and valve is run to the trend of pass.
It is equipped with wave spring on diaphragm top, the pressure initiation balance on the reaction force and diaphragm of wave spring；P2 is increased, and spool trend is transported upwards
Dynamic, valve opening reduces, and flow reduces, and P2 raising trend is attenuated to new equalization point and is formed；Conversely, P2 is reduced, spring is pushed
Movable valve plug moves downward, and valve opening increases, and flow increases, and P2 rises.Therefore the reaction force size of wave spring directly influences
The pressure and uninterrupted of invention output end.The utility model according to actual demand, can select the wave spring of different model, select
Wave spring is screwed in upper membrane cover by annular adjusting set later, and rotation helicitic texture can be continued through, wave spring is mounted on
Appropriate position in upper membrane cover；Therefore the utility model is increased by adjusting wave spring component for valve output pressure size
Adjustable range and flexible adjustment.
Preferably, annular connecting plate, the diameter of the annular connecting plate are circumferentially welded at the circumferential outer rim of the wave spring
It is in T font structure to section, the radial section of the annular adjusting set is in the c-type being adapted to the annular connecting plate of T font structure
Structure, and be in clearance fit between annular connecting plate and annular adjusting set.
Preferably, circumferentially outer rim is welded with several locating rods for the axial bottom end of the wave spring, on the upper membrane cover inner wall
It is additionally provided with several guide grooves being adapted to locating rod；Several guide grooves are along the circumferential equidistant uniformly arrangement of upper membrane cover inner wall, each
The extending direction of guide groove is parallel with the axis direction of upper membrane cover.
The axial bottom end of wave spring is adapted to by locating rod with the guide groove on upper membrane cover inner wall, it can be to wave spring axial direction bottom end
Stable support fixed function is provided, prevents wave spring from radial deformation occurs in by diaphragm and top tray extrusion process, influences to press
Power controls precision.And wave spring top passes through annular connecting plate and annular adjusting set clearance fit, in this way in rotary annular adjusting set
When, annular connecting plate, which will not rotate, to be moved but wave spring is driven to move up and down along upper membrane cover inner shaft.
Preferably, adjusting ring flat-plate, the adjusting ring flat-plate inner wall are circumferentially convexly equipped on the inner wall of the lower membrane cover axial direction top
It is equipped with internal screw thread；The upper membrane cover outer wall is equipped with the external screw thread being adapted to the internal screw thread, and upper membrane cover is screwed on by screw thread
It protrudes into lower membrane cover.
Upper membrane cover and lower membrane cover are connected through a screw thread, convenient for the two disassembling operations, and facilitated according to the wave spring type used
Number guiding, in adjusting between membrane cover and lower membrane cover can accommodating chamber size.
Preferably, on the lower membrane cover inner wall at the diaphragm circumferentially arranged with rubber seal, the rubber seal
Transition fit is pressed between lower membrane cover inner wall and upper membrane cover outer wall.
By the way that rubber seal is arranged close to bottom end in lower membrane cover, on the one hand for lower membrane cover and lower membrane cover junction
Sealing function is played, another aspect auxiliary adjustment ring flat-plate plays a supporting role to upper membrane cover.
Preferably, the seal cover board is bolted on the open-mouth of membrane cover.
The utility model has the following advantages and benefits:
Utility model works principle is that by wave spring, excessively annular adjusting set is connect with upper membrane cover inner thread all, convenient
Wave spring of the user according to actual demand replacement different model.By taking action type working principle after valve as an example: pressure medium P2 directly into
Enter lower film room to act on diaphragm, generate a upward thrust, band movable valve plug moves upwards, and valve is run to the trend of pass.
It is equipped with wave spring on diaphragm top, the pressure initiation balance on the reaction force and diaphragm of wave spring；P2 is increased, and spool trend is transported upwards
Dynamic, valve opening reduces, and flow reduces, and P2 raising trend is attenuated to new equalization point and is formed；Conversely, P2 is reduced, spring is pushed
Movable valve plug moves downward, and valve opening increases, and flow increases, and P2 rises.Therefore the reaction force size of wave spring directly influences
The pressure and uninterrupted of invention output end.The utility model according to actual demand, can select the wave spring of different model, select
Wave spring is screwed in upper membrane cover by annular adjusting set later, and rotation helicitic texture can be continued through, wave spring is mounted on
Appropriate position in upper membrane cover；Therefore the utility model is increased by adjusting wave spring component for valve output pressure size
Adjustable range and flexible adjustment.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the main structure cross section structure schematic diagram of the utility model；
Fig. 2 is that the annular connecting plate of the utility model is adapted to radial section structural schematic diagram with annular adjusting set；
Fig. 3 is the lower membrane cover radial section structural scheme of mechanism of the utility model.
Label and corresponding parts title in attached drawing: 1- valve body, membrane cover under 2-, the upper membrane cover of 3-, 4- diaphragm, 5- wave spring,
6- seal cover board, 7- annular adjusting set, 8- valve rod, 9- lower tray, 10- top tray, 11- annular connecting plate, 12- locating rod, 13-
Guide groove, 14- rubber seal, 15 adjust ring flat-plate, 16- valve seat.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment 1
A kind of novel interior pressure Self-operated pressure valve mechanism is present embodiments provided, including sequentially connected from the bottom to top
Valve body 1, lower membrane cover 2 and upper membrane cover 3, the lower membrane cover 2 is interior to be equipped with diaphragm 4 by positon of near bottom；Wave spring is equipped in the upper membrane cover 3
5；Axial one end of valve rod 8 is connect by lower tray 9 and the compression of top tray 10 with diaphragm 4, and diaphragm 4 is located at lower tray 9 and upper
Between pallet 10, the axial other end of valve rod 8 is protruded into valve body 1, and the upper membrane cover 3 is in the tube structure of open at both ends, upper film
The axial top of lid 3 is detachably equipped with seal cover board 6, and the axial bottom end of upper membrane cover 3 is connect with lower membrane cover 2；Upper membrane cover 3 it is interior
Wall is equipped with internal screw thread, and circumferentially outer rim is equipped with annular adjusting set 7, the annular adjusting set 7 to the axial top end of the wave spring 5
Axially outer edge side wall be equipped with the external screw thread that is adapted to the internal screw thread；The axial bottom end of wave spring 5 with diaphragm 4 for contacting.
Embodiment 2
It is further improved on the basis of embodiment 1, is circumferentially welded with annular connection at the circumferential outer rim of the wave spring 5
Plate 11, the radial section of the annular connecting plate 11 are in T font structure, and the radial section of the annular adjusting set 7 is in and T font
The c-type structure that the annular connecting plate 11 of structure is adapted to, and be in clearance fit between annular connecting plate 11 and annular adjusting set 7.Institute
Stating the axial bottom end of wave spring 5, circumferentially outer rim is welded with several locating rods 12, be additionally provided on upper 3 inner wall of membrane cover it is several with it is fixed
The guide groove 13 that position bar 12 is adapted to；Several guide grooves 13 are along the circumferential equidistant uniformly arrangement of upper 3 inner wall of membrane cover, each guide groove
13 extending direction is parallel with the axis direction of upper membrane cover 3.
Embodiment 3
It is further improved on the basis of embodiment 2, is circumferentially convexly equipped with adjusting on the lower 2 axial top inner wall of membrane cover
Ring flat-plate 15,15 inner wall of adjusting ring flat-plate are equipped with internal screw thread；3 outer wall of upper membrane cover is equipped with and is adapted to the internal screw thread
External screw thread, upper membrane cover 3 is screwed on by screw thread to be protruded into lower membrane cover 2.On 2 inner wall of lower membrane cover at diaphragm 4 circumferentially
Equipped with rubber seal 14,14 transition fit of rubber seal is pressed between 3 outer wall of lower 2 inner wall of membrane cover and upper membrane cover.
The seal cover board 6 is bolted on the open-mouth of membrane cover 3.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (6)
1. novel interior pressure Self-operated pressure valve mechanism, including from the bottom to top sequentially connected valve body (1), lower membrane cover (2) and
Upper membrane cover (3), the lower membrane cover (2) is interior to be equipped with diaphragm (4) by positon of near bottom；Wave spring (5) are equipped in the upper membrane cover (3)；Valve
Axial one end of bar (8) is connect by lower tray (9) and top tray (10) compression with diaphragm (4), and diaphragm (4) is located at lower tray
(9) between top tray (10), the axial other end of valve rod (8) is protruded into valve body (1), which is characterized in that the upper membrane cover (3)
In the tube structure of open at both ends, the axial top of upper membrane cover (3) is detachably equipped with seal cover board (6), the axial direction of upper membrane cover (3)
Bottom end is connect with lower membrane cover (2)；The inner wall of upper membrane cover (3) is equipped with internal screw thread, and the axial top end of the wave spring (5) is circumferentially
Outer rim is equipped with annular adjusting set (7), and the axially outer edge side wall of the annular adjusting set (7) is equipped with to be adapted to the internal screw thread
External screw thread；The axial bottom end of wave spring (5) with diaphragm (4) for contacting.
2. novel interior pressure Self-operated pressure valve mechanism according to claim 1, which is characterized in that the wave spring (5)
Circumferential outer rim at be circumferentially welded with annular connecting plate (11), the radial section of the annular connecting plate (11) is in T font knot
Structure, the radial section of the annular adjusting set (7) are in the c-type structure that is adapted to the annular connecting plate (11) of T font structure, and ring
It is in clearance fit between shape connecting plate (11) and annular adjusting set (7).
3. novel interior pressure Self-operated pressure valve mechanism according to claim 2, which is characterized in that the wave spring (5)
Circumferentially outer rim is welded with several locating rods (12) for axial bottom end, be additionally provided on upper membrane cover (3) inner wall several with positioning
The guide groove (13) of bar (12) adaptation；Several guide grooves (13) are each led along the circumferential equidistant uniformly arrangement of upper membrane cover (3) inner wall
Extending direction to slot (13) is parallel with the axis direction of upper membrane cover (3).
4. novel interior pressure Self-operated pressure valve mechanism according to claim 1, which is characterized in that the lower membrane cover
(2) it is circumferentially convexly equipped on the inner wall of axial top and adjusts ring flat-plate (15), adjusting ring flat-plate (15) inner wall is equipped with internal screw thread；Institute
It states membrane cover (3) outer wall and is equipped with the external screw thread being adapted to the internal screw thread, upper membrane cover (3) is screwed on by screw thread protrudes into lower membrane cover
(2) in.
5. novel interior pressure Self-operated pressure valve mechanism according to claim 4, which is characterized in that the lower membrane cover
(2) on inner wall at diaphragm (4) circumferentially arranged with rubber seal (14), rubber seal (14) transition fit compresses
Between lower membrane cover (2) inner wall and upper membrane cover (3) outer wall.
6. novel interior pressure Self-operated pressure valve mechanism according to claim 1, which is characterized in that the seal cover board
(6) it is bolted on the open-mouth of membrane cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821638569.0U CN209054130U (en) | 2018-10-09 | 2018-10-09 | Novel interior pressure Self-operated pressure valve mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821638569.0U CN209054130U (en) | 2018-10-09 | 2018-10-09 | Novel interior pressure Self-operated pressure valve mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209054130U true CN209054130U (en) | 2019-07-02 |
Family
ID=67050183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821638569.0U Active CN209054130U (en) | 2018-10-09 | 2018-10-09 | Novel interior pressure Self-operated pressure valve mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN209054130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237091A (en) * | 2018-10-09 | 2019-01-18 | 四川勃朗蜀威科技有限公司 | Pressure type regulating valve in self-operated type equipped with wave spring balance mechanism |
-
2018
- 2018-10-09 CN CN201821638569.0U patent/CN209054130U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237091A (en) * | 2018-10-09 | 2019-01-18 | 四川勃朗蜀威科技有限公司 | Pressure type regulating valve in self-operated type equipped with wave spring balance mechanism |
| CN109237091B (en) * | 2018-10-09 | 2023-11-17 | 四川勃朗蜀威科技有限公司 | Self-operated internal pressure-taking type regulating valve with wave spring balance mechanism |
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