CN203656253U - Membrane valve with double-layer membrane piece - Google Patents
Membrane valve with double-layer membrane piece Download PDFInfo
- Publication number
- CN203656253U CN203656253U CN201320890760.5U CN201320890760U CN203656253U CN 203656253 U CN203656253 U CN 203656253U CN 201320890760 U CN201320890760 U CN 201320890760U CN 203656253 U CN203656253 U CN 203656253U
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- adventitia
- valve
- membrane
- inner membrance
- valve body
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Abstract
The utility model relates to a membrane valve, and especially relates to a membrane valve with a double-layer membrane piece. The membrane valve with a double-layer membrane piece is characterized in that the membrane piece comprises an inner membrane, an outer membrane and a bolt; the inner membrane and the outer membrane has the same diameter; one side of the inner membrane, facing towards the outer membrane, is provided with an accommodating chamber, which is also disposed at the circumference of a bolt through hole; the outer membrane is provided with an outer membrane boss adapted to the accommodating chamber; when the outer membrane is applied to the inner membrane, the outer membrane boss is disposed in the accommodating chamber; the circumference of the membrane piece, composed of the inner membrane and the outer membrane is disposed between a rack and a valve body. a pressing part of the outer membrane is provided with a convex rib; the valve body is provided with a groove, cooperating with the convex rib; the convex rib and the groove are in an interference fit. The membrane valve with a double-layer membrane piece is advantageous in that problems of the prior art can be resolved; a double-layer membrane piece screw is pre-embedded in polytetrafluoroethylene, and the problem that a screw is easy to be pulled out can be resolved.
Description
Technical field
The utility model relates to a kind of membrane valve, refers to especially the membrane valve with double-deck diaphragm.
Background technique
Along with GMP reform, more and more higher to the requirement of the accessories such as pharmacy pipeline valve, by its online high-temperature sterilization (121 ° of C), the old-fashioned diaphragm on market is difficult to reach requirement, 100 ° of C left and right of old-fashioned diaphragm heatproof; In addition, the connecting screw of old-fashioned diaphragm is all embedded in rubber, and the flat numerous keying of valve is easily pulled out.
Summary of the invention
The utility model overcomes the problem that prior art exists, and provides a kind of double-deck diaphragm screw to be embedded in teflon, has solved the novel membrane valve of the problem that screw is easily pulled out.
Realize above-mentioned purpose, the utility model adopts following technology: a kind of membrane valve with double-deck diaphragm, include valve body and manual-operating mechanism, wherein manual-operating mechanism includes support, handle, valve rod and diaphragm, wherein handle rotates and can be with ovable valve stem to lifting moving, it is characterized in that: described diaphragm includes inner membrance, adventitia and bolt, the diameter of inner membrance and adventitia is identical, one end of described bolt is embedded in adventitia, one end that bolt exposes adventitia is screwed in the end of valve rod through inner membrance, described inner membrance is provided with holding cavity towards adventitia one side and the periphery that is positioned at bolt through hole, on described adventitia, be provided with the adventitia boss with holding cavity adaptation, when adventitia and inner membrance laminating, adventitia boss is placed in holding cavity, the periphery of the diaphragm that described inner membrance and adventitia form is pressed between support and valve body, the portion of being installed with of described adventitia is provided with convex tendon, on described valve body, be provided with the groove coordinating with convex tendon, convex tendon and groove interference fit.
By adopting such scheme, we can adopt the material of different materials to support inner membrance and adventitia, can make like this heatproof of diaphragm higher, longer service life, in addition the periphery of diaphragm is pressed between support and valve body, can on softer adventitia, be provided with convex tendon like this, when this convex tendon coordinates with valve body, sealing effect can be better, between last inner membrance and adventitia, coordinate by holding cavity and adventitia boss, also not too easily there is fatigue and get loose in inner membrance and adventitia like this after long motion, be beneficial to synchronism between the two and the stability of work.
Further setting of the present utility model is: described inner membrance is provided with inner membrance boss towards valve rod one side and the periphery that is positioned at bolt through hole, the top of described valve rod is provided with the recess with inner membrance boss adaptation, inner membrance boss is placed in this recess, the valve seat of described valve body is placed between the import and outlet of valve body, on the face that adventitia contacts towards one end of valve body and with the valve seat of valve body, be provided with positioning convex point, on the valve seat of described valve body, be provided with the positioning recess coordinating with positioning convex point, when adventitia is conflicted with valve seat, positioning convex point coordinates location to coordinate with positioning recess; The top of described valve rod and the resistance surface of inner membrance are cambered surface, and the position that described inner membrance and adventitia are corresponding with valve stem tip is also cambered surface.
By adopting such scheme, to further optimization of the present utility model, for the done further setting of further enhancing product performance, wherein inner membrance adopts coordinating of boss and recess with valve rod, increase surface of contact between the two, valve rod is more stable to the thrust of diaphragm like this, the life-span that can greatly extend diaphragm that coordinates of positioning convex point and positioning recess in addition, wherein in valve closing, between diaphragm and valve seat, be not easy to occur trickle friction, finally adopt cambered surface mode that valve rod and diaphragm are set, be so more conducive to the sealing of valve.
Below in conjunction with drawings and embodiments, the utility model is described further.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model is implemented;
Fig. 2 is the guarantee figure of the utility model embodiment's membrane valve;
Fig. 3 is the phantom of the utility model embodiment's membrane valve;
Fig. 4 is the sectional drawing of the utility model embodiment's diaphragm process;
Fig. 5 is the A portion enlarged view in Fig. 1.
Specific embodiment
As Figure 1-Figure 5, a kind of membrane valve with double-deck diaphragm, include valve body 1 and manual-operating mechanism 2, wherein manual-operating mechanism 2 includes support 21, handle 22, valve rod 23 and diaphragm 24, wherein handle 22 rotates and can be with ovable valve stem 23 to lifting moving, in the utility model embodiment, described diaphragm 24 includes inner membrance 241, adventitia 242 and bolt 243, inner membrance 241 is identical with the diameter of adventitia 242, one end of described bolt 243 is embedded in adventitia 242, one end that bolt 243 exposes adventitia 241 is screwed in the end of valve rod 23 through inner membrance 242, described inner membrance 241 is provided with holding cavity 2412 towards adventitia 242 1 sides and the periphery that is positioned at bolt through hole 2411, on described adventitia 242, be provided with the adventitia boss 2421 with holding cavity 2412 adaptations, when adventitia 242 is fitted with inner membrance 241, adventitia 242 boss 2421 are placed in holding cavity 2412, the periphery of the diaphragm 24 that described inner membrance 241 and adventitia 242 form is pressed between support 21 and valve body 1, the portion of being installed with of described adventitia 242 is provided with convex tendon 2422, because adventitia quality is softer, so it is better that the rear sealing effect of convex tendon 2422 is set, on described valve body 1, be provided with the groove 11 coordinating with convex tendon 2422, convex tendon 2422 and groove 11 interference fit.By adopting such scheme, we can adopt the material of different materials to support inner membrance 241 and adventitia 242, can make like this heatproof of diaphragm 24 higher, longer service life, between last inner membrance 241 and adventitia 242, coordinate by holding cavity 2412 and adventitia boss 2421, also not too easily there is fatigue and get loose in inner membrance 241 and adventitia 242 like this after long motion, is beneficial to synchronism between the two and the stability of work.
In the utility model embodiment, described inner membrance 241 is provided with inner membrance boss 2413 towards valve rod 23 1 sides and the periphery that is positioned at bolt through hole 2411, the top of described valve rod 23 is provided with the recess 231 with inner membrance boss 2413 adaptations, inner membrance boss 2413 is placed in this recess 231, the valve seat 12 of described valve body 1 is placed between the import and outlet of valve body 1, on the face that adventitia 242 contacts towards one end of valve body 1 and with the valve seat 12 of valve body 1, be provided with positioning convex point 2423, on the valve seat 12 of described valve body 1, be provided with the positioning recess 121 coordinating with positioning convex point 2423, when adventitia 242 is conflicted with valve seat 1, positioning convex point 2423 coordinates location to coordinate with positioning recess 121, the resistance surface of the top of described valve rod 23 and inner membrance 241 is cambered surface, and the position that described inner membrance 241 and adventitia 242 are corresponding with valve rod 23 tops is also cambered surface, adopt such scheme, wherein inner membrance 241 adopts coordinating of boss 2413 and recess 231 with valve rod 23, increase surface of contact between the two, valve rod 23 is more stable to the thrust of diaphragm 24 like this, in addition the life-span that can greatly extend diaphragm 24 that coordinates of positioning convex point 2423 and positioning recess 121, wherein in valve closing, between diaphragm 24 and valve seat 11, be not easy to occur trickle friction.
The utility model discloses, and is the one of preferred embodiment, and local change or modification and come from technological thought of the present utility model and be easy to by haveing the knack of the people of this technology the person of knowing by inference such as, does not all take off patent category of the present utility model.
Claims (3)
1. the membrane valve with double-deck diaphragm, include valve body and manual-operating mechanism, wherein manual-operating mechanism includes support, handle, valve rod and diaphragm, wherein handle rotates and can be with ovable valve stem to lifting moving, it is characterized in that: described diaphragm includes inner membrance, adventitia and bolt, the diameter of inner membrance and adventitia is identical, one end of described bolt is embedded in adventitia, one end that bolt exposes adventitia is screwed in the end of valve rod through inner membrance, described inner membrance is provided with holding cavity towards adventitia one side and the periphery that is positioned at bolt through hole, on described adventitia, be provided with the adventitia boss with holding cavity adaptation, when adventitia and inner membrance laminating, adventitia boss is placed in holding cavity, the periphery of the diaphragm that described inner membrance and adventitia form is pressed between support and valve body, the portion of being installed with of described adventitia is provided with convex tendon, on described valve body, be provided with the groove coordinating with convex tendon, convex tendon and groove interference fit.
2. the membrane valve of the double-deck diaphragm of band according to claim 1, it is characterized in that: described inner membrance is provided with inner membrance boss towards valve rod one side and the periphery that is positioned at bolt through hole, the top of described valve rod is provided with the recess with inner membrance boss adaptation, inner membrance boss is placed in this recess, the valve seat of described valve body is placed between the import and outlet of valve body, on the face that adventitia contacts towards one end of valve body and with the valve seat of valve body, be provided with positioning convex point, on the valve seat of described valve body, be provided with the positioning recess coordinating with positioning convex point, when adventitia is conflicted with valve seat, positioning convex point coordinates location to coordinate with positioning recess.
3. the membrane valve of the double-deck diaphragm of band according to claim 2, is characterized in that: the top of described valve rod and the resistance surface of inner membrance are cambered surface, and the position that described inner membrance and adventitia are corresponding with valve stem tip is also cambered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890760.5U CN203656253U (en) | 2013-12-30 | 2013-12-30 | Membrane valve with double-layer membrane piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890760.5U CN203656253U (en) | 2013-12-30 | 2013-12-30 | Membrane valve with double-layer membrane piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203656253U true CN203656253U (en) | 2014-06-18 |
Family
ID=50922641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320890760.5U Expired - Fee Related CN203656253U (en) | 2013-12-30 | 2013-12-30 | Membrane valve with double-layer membrane piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203656253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431920A (en) * | 2021-07-16 | 2021-09-24 | 齐力控股集团有限公司 | Diaphragm valve |
-
2013
- 2013-12-30 CN CN201320890760.5U patent/CN203656253U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431920A (en) * | 2021-07-16 | 2021-09-24 | 齐力控股集团有限公司 | Diaphragm valve |
| CN113431920B (en) * | 2021-07-16 | 2022-06-17 | 齐力控股集团有限公司 | Diaphragm valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ZHEJIANG HEBRON CONTROLS ENGINEERING TECHNOLOGY CO., LTD. Assignor: Sun Anyuan Contract record no.: 2016990000193 Denomination of utility model: Membrane valve with double-layer membrane piece Granted publication date: 20140618 License type: Exclusive License Record date: 20160510 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20181230 |