CN202280845U - Diaphragm valve - Google Patents
Diaphragm valve Download PDFInfo
- Publication number
- CN202280845U CN202280845U CN201120429393XU CN201120429393U CN202280845U CN 202280845 U CN202280845 U CN 202280845U CN 201120429393X U CN201120429393X U CN 201120429393XU CN 201120429393 U CN201120429393 U CN 201120429393U CN 202280845 U CN202280845 U CN 202280845U
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- CN
- China
- Prior art keywords
- valve
- diaphragm
- open end
- membrane
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000012528 membrane Substances 0.000 claims description 37
- 230000004888 barrier function Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000004807 localization Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Fluid-Driven Valves (AREA)
Abstract
The utility model provides a diaphragm valve, comprising: a valve body with the wall provided with a material inlet, and the bottom provided with a first open end; a valve cover characterized in that the wall of the valve cover is provided with an air source interface and the top is provided with a second open end, the second open end is in a bolt joint with a valve cap, the valve cover is disposed on the valve body, and forms a cavity with the valve body; a valve seat disposed at the first open end of the valve body; a valve core mechanism with one end extending out of the second open end of the valve cover, and the other end slidably disposed on the valve seat; and a diaphragm disposed in the cavity, in a driving connection with the valve core mechanism, and separating the cavity into an upper part air source chamber communicated with the air source interface and a lower part material chamber communicated with the material inlet. According to the diaphragm valve provided by the utility model, the valve core mechanism obtains reliable positioning, normal operation of the diaphragm valve is guaranteed, material is facilitated to be smoothly discharged after entering into the diaphragm valve, volume of the diaphragm valve is reduced, and structure is more compact.
Description
Technical field
The utility model relates to valve technology field, in particular to a kind of membrane valve.
Background technique
Have barrier film in the membrane valve, lower body inner chamber and upper valve cap inner chamber are separated be divided into two Room, parts such as the valve pocket that is positioned at the barrier film top, Sealing are not contacted with medium; Avoided the corrosion of medium to parts; And can not produce medium and leak outside, be commonly used to carry the valve of poisonous and harmful medium, but owing to receive restriction such as diaphragm material membrane valve; Membrane valve is applicable to that temperature is not high relatively, the lower occasion of solid content in the medium.
Application number is that 91107124.5 utility application discloses a kind of manual membrane valve, and the disclosed membrane valve parts of this utility application are more, volume is also bigger, and the location between each parts is also reliable inadequately.
The model utility content
The utility model aims to provide and locatees membrane valve reliable, compact structure between a kind of each parts.
To achieve these goals, the utility model provides a kind of membrane valve, comprising: valve body, and its wall is provided with material inlet, and the bottom has first open end; Valve gap, its wall is provided with gas source interface, and its top has second open end, is bolted with bonnet on this second open end, and the valve gap lid is located on the valve body, and forms cavity between the valve body; Valve seat is arranged on first open end of valve body; Spool mechanism, the one of which end stretches out from second open end of valve gap, and the other end is slidably disposed on the valve seat; And diaphragm, be arranged in the cavity, drive with spool mechanism and be connected, diaphragm is divided into the source of the gas chamber on top and the supplies room of bottom with cavity, and the source of the gas chamber is communicated with gas source interface, and supplies room is communicated with material inlet.
Further, spool mechanism comprises: valve pocket, second open end of stretching out valve gap; Taper sheath is screwed onto in the valve pocket, and stretches out the top of valve pocket; Valve rod is arranged in the taper sheath with a gap, and the top of taper sheath is stretched out on its top, and fixes through nut, and its bottom is provided with center mounting hole; And spool, the one of which end is fixedly installed in the center mounting hole of valve rod, and the other end is slidably disposed in the valve seat.
Further, the outer periphery of diaphragm folder is established between the corresponding annular junction plane that is fixed on valve gap and valve body.
Further, the outer rim of taper sheath sidewall is provided with platform, and diaphragm is sleeved on the taper sheath, and the inner circumference edge folder of diaphragm is established between the bottom surface and platform that is fixed on valve pocket.
Further, between the outer periphery of diaphragm and annular junction plane, be provided with the barrier film pad.
Further, the middle part of diaphragm is provided with the suit hole, and the central shaft about the suit hole on the diaphragm is symmetrically arranged with the multi-ring annular convexity.
Further, the protruding height of multi-ring annular is 10 to 50 times of diaphragm thickness.
Further, this membrane valve also comprises joint, and the two ends of this joint are provided with outside thread, and first open end of its top and valve body bottom is spirally connected, and the upper surface of nipple tip contacts with the bottom surface face of valve seat.
Further, between the upper surface of nipple tip and valve seat bottom surface, be provided with sealing gasket.
According to the membrane valve of the utility model, in the cavity of valve body and valve gap formation, spool mechanism is set, an end of spool mechanism is by the location, second open end of valve gap; The other end is located by valve seat; Make spool mechanism obtain reliable localization, thereby guaranteed the proper functioning of membrane valve, and through gas source interface is set on valve gap; Make the amount of deformation of diaphragm can be controlled; Help material and after getting into membrane valve, discharge swimmingly and can in membrane valve, not pile up, make the volume of membrane valve be able to reduce, structure is compact more.
Description of drawings
The Figure of description that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the membrane valve of the utility model; And
Fig. 2 is the structural representation of diaphragm.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the utility model.
According to the embodiment of the utility model, a kind of membrane valve is provided, as shown in Figure 1, comprising: valve body 10, its sidewall are provided with the material inlet 11 that runs through this valve body 10, and the bottom of valve body 10 has first open end; Valve gap 20, its sidewall are provided with the gas source interface 21 that runs through this valve gap 20, and the top of valve gap 20 has second open end, are bolted with bonnet 23 on this second open end, and valve gap 20 lids are located on the valve body 10, and form cavity 30 between the valve body 10; Valve seat 40 is arranged on first open end of valve body 10; Spool mechanism 50, the one of which end stretches out from second open end of valve gap 23, and the other end is slidably disposed on the valve seat 40; And diaphragm 60, be arranged in the cavity 30, drive with spool mechanism 50 and is connected, diaphragm 60 is divided into the source of the gas chamber 31 on top and the supplies room 33 of bottom with cavity 30, and source of the gas chamber 31 is communicated with gas source interface 21, and supplies room 33 is communicated with material inlet 11.
According to the membrane valve of the utility model, in the cavity 30 that valve body 10 and valve gap 20 form, spool mechanism 50 is set, an end of spool mechanism 50 is by the location, second open end of valve gap 20; The other end is by valve seat 40 location; Make spool mechanism 50 obtain reliable localization, thereby guaranteed the proper functioning of membrane valve, and through gas source interface 21 is set on valve gap 20; Make the amount of deformation of diaphragm 60 can be controlled; Help material and after getting into membrane valve, discharge swimmingly and can in membrane valve, not pile up, make the volume of membrane valve be able to reduce, structure is compact more.
As shown in Figure 1, spool mechanism 50 specifically comprises: the valve pocket 51 that stretches out second open end of valve gap 23; Be screwed onto in the valve pocket 51 and stretch out the taper sheath 53 on valve pocket 51 tops; Valve rod 55 is set in taper sheath 53 with a gap, and the top of taper sheath 53 is stretched out on the top of this valve rod 55, and fixing through nut 57, and the bottom of valve rod 55 is provided with center mounting hole; And spool 59, the one of which end is fixedly installed in the center mounting hole of valve rod 55, and the other end is slidably disposed in the valve seat 40.
Preferably, the material of spool 59 can adopt high hardness alloy, perhaps uses the high hardness material to spray, and improves the intensity of spool 59, and guarantees that spool 59 can anti-ly contain the wearing and tearing easily of washing away not of solid material under higher temperature; Valve rod 55 inserts in the taper sheath 53; And taper sheath 53 is stretched out on the top of valve rod 55; Valve rod 55 is connected with taper sheath 53 through screw thread, and further to valve rod 55 location and sealing, the part that valve rod 55 stretches out taper sheath 53 compresses the location by inner nut and pad; Sealed valve stem 55 and the inner space that taper sheath 53 forms prevent dielectric chamber and source of the gas chamber string pressure; The bottom of valve rod 55 is provided with the diameter of part of center mounting hole greater than top, has 0.05 to 0.3mm gap between bottom and taper sheath 53 inwalls, thereby forms the mode of location, two ends, and valve rod 55 and spool 59 are positioned and lead.Valve pocket 51 stretches out between part and second open end of second open end and has 0.05 to 0.4mm gap; Be taper sheath 53, spool 59, valve rod 55 and diaphragm 60 centralized positionings; Prevent that bigger radial displacement from appearring in spool 59, valve rod 55 and diaphragm 60; Restriction spool 59 can not draw in diaphragm 60 pressurized inequalities or the material big solid particle and cause radial displacement, guarantees spool 59 and cooperation valve seat 40.
In Fig. 1, valve seat 40 is pressed on through joint 80 in first open end of valve body 10 equally, between the bottom surface of the upper surface on joint 80 tops and valve seat 40, is provided with sealing gasket 90.In addition, in order to strengthen the wear-resisting property of valve seat 40, the medium that assurance valve seat 40 at high temperature can not contained solid particle washes away damage, can the spraying abrasion-proof hardened material to the part that valve seat 40 contacts with spool 59.
From Fig. 1, it can also be seen that; Valve body 10 and valve gap 20 are when assembling; Have corresponding annular junction plane between valve gap 20 and the valve body 10, the outer periphery of diaphragm 60 folder is established between the corresponding annular junction plane that is fixed on valve gap 20 and valve body 10, and between the two ends of diaphragm 60 and annular junction plane, is provided with barrier film pad 70; This barrier film pad 70 is installed on valve body 10 and the valve gap 20 through screw, and such setting has been played the space that prevents diaphragm 60 both sides and gone here and there the effect of pressing each other.In addition, the outer rim of taper sheath 53 sidewalls is provided with platform, and diaphragm 60 is sleeved on the taper sheath 53, after valve pocket 51 and taper sheath 53 are spirally connected diaphragm 60 is fixed between the bottom surface and platform of valve pocket 51.
The concrete structure of diaphragm 60 can be found out from Fig. 2; Be provided with suit hole 61 at the middle part of diaphragm 60, the central shaft about suit hole 61 on the diaphragm 60 is symmetrically arranged with multi-ring annular convexity 63, bears the pressure from cavity 30 bottoms; The height of multi-ring annular protruding 63 can be set to 10 to 50 times of diaphragm 60 thickness; Protruding 63 is high more, just has bigger lifting surface area, preferably can adopt 10 times, 25 times and 50 times.
The cavity 30 of the utility model embodiment's membrane valve is divided into two-part up and down by diaphragm 60; Material gets into the bottom of cavity 30 through material inlet 11 when work; Diaphragm begins upwards distortion under the effect of pressure, drive spool mechanism 50 and move up, and material is discharged through joint 80 from first open end of valve body 10 gradually; Through the pressure transducer pressure at monitoring joint 80 places in real time is set on the discharging path of joint 80; And give gas source control system with this pressure feedback, regulate the tolerance of injecting to cavity 30 tops by gas source control system according to the pressure data that obtains, thereby regulate the amount of deformation of diaphragm 60; And the amount of deformation that finally makes diaphragm 60 remains on a stable status, discharges from membrane valve swimmingly to guarantee material.
From above description, can find out that the utility model the above embodiments have realized following technique effect:
In the embodiment of the utility model, in the cavity 30 that valve body 10 and valve gap 20 form, spool mechanism 50 is set, an end of spool mechanism 50 is by the location, second open end of valve gap 20; The other end is by valve seat 40 location; Make spool mechanism 50 obtain reliable localization, thereby guaranteed the proper functioning of membrane valve, and through gas source interface 21 is set on valve gap 20; Make the amount of deformation of diaphragm 60 can be controlled; Help material and after getting into membrane valve, discharge swimmingly and can in membrane valve, not pile up, make the volume of membrane valve be able to reduce, structure is compact more.
And; In the embodiment of the utility model; Valve pocket 51, taper sheath 53, valve rod 55 and spool 59 are sheathed successively, and cooperate with second open end and valve seat 40, are guaranteeing that the location also prevents that bigger radial displacement from appearring in spool 59, valve rod 55 and diaphragm 60 reliably simultaneously; Restriction spool 59 can not draw in diaphragm 60 pressurized inequalities or the material big solid particle and cause radial displacement, guarantees spool 59 and cooperation valve seat 40.
In addition, in the embodiment of the utility model,, barrier film pad 70 played reliable sealing effect with sealing gasket 90 through being set.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (9)
1. a membrane valve is characterized in that, comprising:
Valve body (10), its wall are provided with material inlet (11), and the bottom has first open end;
Valve gap (20), its wall are provided with gas source interface (21), and its top has second open end, are bolted with bonnet (23) on said second open end, and said valve gap (20) lid is located on the said valve body (10), and forms cavity (30) between the said valve body (10);
Valve seat (40) is arranged on first open end of said valve body (10);
Spool mechanism (50), the one of which end stretches out from second open end of said valve gap (20), and the other end is slidably disposed on the said valve seat (40); And
Diaphragm (60); Be arranged in the said cavity (30); Drive with said spool mechanism (50) and to be connected; Said diaphragm (60) is divided into the supplies room (33) of the source of the gas chamber (31) and the bottom on top with said cavity (30), and said source of the gas chamber (31) is communicated with said gas source interface (21), and said supplies room (33) is communicated with said material inlet (11).
2. membrane valve according to claim 1 is characterized in that, said spool mechanism (50) comprising:
Valve pocket (51), second open end of stretching out said valve gap (20);
Taper sheath (53) is screwed onto in the said valve pocket (51), and stretches out the top of said valve pocket (51);
Valve rod (55) is arranged in the said taper sheath (53) with a gap, and the top of said taper sheath (53) is stretched out on its top, and fixing through nut (57), and its bottom is provided with center mounting hole; And
Spool (59), one of which end are fixedly installed in the center mounting hole of said valve rod (55), and the other end is slidably disposed in the said valve seat (40).
3. membrane valve according to claim 2 is characterized in that, the outer periphery folder of said diaphragm (60) is established between the corresponding annular junction plane that is fixed on said valve gap (20) and said valve body (10).
4. membrane valve according to claim 3; It is characterized in that; The outer rim of said taper sheath (53) sidewall is provided with platform, and said diaphragm (60) is sleeved on the said taper sheath (53), and the inner circumference edge of said diaphragm (60) folder is established between the bottom surface and said platform that is fixed on said valve pocket (51).
5. membrane valve according to claim 3 is characterized in that, between the outer periphery of said diaphragm (60) and said annular junction plane, is provided with barrier film pad (70).
6. according to each described membrane valve in the claim 1 to 5, it is characterized in that the middle part of said diaphragm (60) is provided with suit hole (61), the central shaft that said diaphragm (60) is gone up about said suit hole (61) is symmetrically arranged with multi-ring annular convexity (63).
7. membrane valve according to claim 6 is characterized in that, the height of said multi-ring annular protruding (63) is 10 to 50 times of said diaphragm (60) thickness.
8. according to each described membrane valve in the claim 1 to 5; It is characterized in that; Also comprise joint (80); The two ends of said joint (80) are provided with outside thread, and first open end of its top and said valve body (10) bottom is spirally connected, and the upper surface on said joint (80) top contacts with the bottom surface face of said valve seat (40).
9. membrane valve according to claim 8 is characterized in that, between the upper surface on said joint (80) top and said valve seat bottom surface, is provided with sealing gasket (90).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120429393XU CN202280845U (en) | 2011-11-02 | 2011-11-02 | Diaphragm valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120429393XU CN202280845U (en) | 2011-11-02 | 2011-11-02 | Diaphragm valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202280845U true CN202280845U (en) | 2012-06-20 |
Family
ID=46227014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120429393XU Expired - Lifetime CN202280845U (en) | 2011-11-02 | 2011-11-02 | Diaphragm valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202280845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352924A (en) * | 2011-11-02 | 2012-02-15 | 神华集团有限责任公司 | Diaphragm valve |
| CN104315163A (en) * | 2014-09-19 | 2015-01-28 | 陈妹芬 | Novel diaphragm valve |
-
2011
- 2011-11-02 CN CN201120429393XU patent/CN202280845U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352924A (en) * | 2011-11-02 | 2012-02-15 | 神华集团有限责任公司 | Diaphragm valve |
| CN104315163A (en) * | 2014-09-19 | 2015-01-28 | 陈妹芬 | Novel diaphragm valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120620 Effective date of abandoning: 20140702 |
|
| RGAV | Abandon patent right to avoid regrant |