CN203571191U - Hydraulic control valve with manual diaphragm - Google Patents
Hydraulic control valve with manual diaphragm Download PDFInfo
- Publication number
- CN203571191U CN203571191U CN201320725035.2U CN201320725035U CN203571191U CN 203571191 U CN203571191 U CN 203571191U CN 201320725035 U CN201320725035 U CN 201320725035U CN 203571191 U CN203571191 U CN 203571191U
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- Prior art keywords
- valve
- diaphragm
- hydraulic control
- control valve
- seat
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- 238000007789 sealing Methods 0.000 claims abstract description 23
- 210000004907 gland Anatomy 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model discloses a hydraulic control valve with a manual diaphragm, and belongs to valve structures applied to the technical field of water supply and drainage. The hydraulic control valve with the manual diaphragm comprises a valve body, a valve seat, a valve clack, a valve rod, a bonnet, a diaphragm driving device and the like. The hydraulic control valve with the manual diaphragm is technically characterized in that the common diaphragm driving device is used by the hydraulic control valve, and is used for achieving the opening function and the closing function of the hydraulic control valve, a manual device is further and additionally arranged on the diagraph driving device, when the diaphragm driving device has a fault, emergency closing of the hydraulic control valve can be carried out through the manual device, maintenance is carried out, the improved hydraulic control valve can be opened and closed through the diaphragm driving device or the manual device, media can be prevented from leaking more effectively, and the structure further has the advantages of being compact and reasonable in design, reliable in sealing, convenient to operate and the like.
Description
Technical field
The utility model relates to the hydraulic control valve structure in a kind of pipeline valve, refers in particular to and is with manual diaphragm type hydraulic control valve.
Background technique
Hydraulic control valve is a kind of in many pipeline valves, and it is to utilize waterpower control principle to reach multipurpose by different structures to control object.Hydraulic control valve is generally divided into diaphragm type and the large class of piston type two, diaphragm type hydraulic controlled valve often all has diaphragm drive unit, as disclosed China Patent No. be 201220516362.2 " a kind of hydraulic control valve ", mainly to be separated into mutual disconnected epicoele and cavity of resorption by diaphragm, by the poor upper and lower operation that drives diaphragm of the pressure medium between epicoele and cavity of resorption, thereby realize the keying function of valve.Yet, when epicoele leaks because sealing component problem causes or diaphragm damage, will make diaphragm drive and lose efficacy, thereby cause valve to close, and then cause that the medium in pipeline runs off in a large number, and produce larger economic loss.Therefore,, for the existing defect of existing diaphragm type hydraulic controlled valve and deficiency, design a kind of favorable sealing property, easily operate and the diaphragm type hydraulic controlled valve with manual operation function is extremely necessary.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defect of prior art and a kind of compact structure is provided, seals the manual diaphragm type hydraulic control valve of band reliable, easy to operate, that avoid medium to reveal.
Technical problem of the present utility model is achieved through the following technical solutions:
Be with a manual diaphragm type hydraulic control valve, comprise valve body, valve seat, flap, valve rod, valve gap and diaphragm drive unit; In described valve body, be provided with the entrance point and the outlet end that interconnect, between inlet/outlet end, be provided with the valve seat that sealing is installed; Described flap sealing contact is on valve seat; Described diaphragm drive unit comprises that sealing is arranged on the diaphragm seat of valve body end face and is fixed on the diaphragm between diaphragm seat and valve gap, this diaphragm will be separated into mutual disconnected epicoele and cavity of resorption between valve gap and diaphragm seat, and in diaphragm seat, is also provided with the intercommunicating pore that is communicated with respectively cavity of resorption and valve outlet end; Described valve rod upper end is fixed on diaphragm, valve rod lower end is connected with flap, valve rod is set with Returnning spring outward, the two ends difference pushing tow of this Returnning spring is on diaphragm seat and flap, described diaphragm drive unit top is provided with manual operating device, and this manual operating device comprises that the support and the movable sealing that are arranged on valve gap end face are arranged on the connecting rod in valve gap; A described top of the trellis is provided with and rotates the drive nut of installing, and this drive nut top is stretched out support and is connected with handwheel, is provided with the screw rod being threaded in drive nut; Described connecting rod lower end is connected with valve rod upper end, between small end and screw rod lower end, is provided with mutually hinged rocking bar.
Described drive nut is to be provided with pair of bearings between drive nut and support at the rotation mounting structure of a top of the trellis.
The outer flange that is arranged with of described drive nut, described pair of bearings is separately positioned on the upper and lower both sides of flange.
Described cradle top surface is provided with the gland of restriction drive nut axial float.
Described drive nut upper end portion is provided with guard shield, and this guard shield is by described screw rod, end shield is combined in.
The linkage structure of described flap and valve rod lower end is to be provided with flap seat in valve rod lower end, and described flap is in pressing plate is connected to the mounting groove of flap seat bottom surface.
Described valve seat is made as spherical shape with the sealing surface that contacts of flap.
On described entrance point and the body wall of outlet end, be respectively equipped with connection mouth.
Line between described valve rod shaft axis and turnover, mouthful end is angle.
Compared with prior art, the utility model is except adopting conventional diaphragm drive unit to realize the keying function of valve, also above diaphragm drive unit, have additional manual operating device, when diaphragm drive unit breaks down, can carry out emergency cut-off valve and keep in repair by manual operating device, hydraulic control valve after improvement can open and close respectively by diaphragm drive unit or manual operating device, therefore can be more effective prevent that medium from revealing, and this structure also have compact to design rationally, seal the advantages such as reliable, easy to operate.
Accompanying drawing explanation
Fig. 1 is the utility model sectional structure schematic diagram.
Embodiment
To the utility model embodiment, elaborate again by above-mentioned accompanying drawing below.
As shown in Figure 1,1. valve body, 2. valve seat, 3. pressing plate, 4. flap, 5. flap seat, 6. Returnning spring, 7. valve rod, 8. diaphragm seat, 9. press table, 10. diaphragm, 11. valve gaps, 12. connecting rods, 13. rocking bars, 14. screw rods, 15. bearings, 16. drive nuts, 17. glands, 18. handwheels, 19. nuts, 20. guard shields, 21. supports, 22. epicoeles, 23. top boards, 24. cavity of resorptions, 25. intercommunicating pores, 26. "O"-rings, 27. connection mouths.
Being with manual diaphragm type hydraulic control valve, is mainly to consist of valve body 1, valve seat 2, flap 4, valve rod 7, valve gap 11, diaphragm drive unit and manual operating device etc., and it can be widely used in the mobile pipe-line system of the liquid mediums such as water, fluid.
Described valve body 1 adopts horizontal DC formula structural design to form, in valve body 1, be provided with the entrance point and the outlet end that interconnect, valve body 1 left end shown in Fig. 1 is made as entrance point, and valve body right-hand member is made as outlet end, therefore the line between inlet/outlet end is also the horizontal run of liquid medium circulation; Described inlet/outlet end is equipped with flange plate to facilitate external pipe to connect, and on valve body 1 sidewall of inlet/outlet end, is also respectively equipped with thread type connection mouth 27; Described valve body 1 end face is also provided with an inclination runner being obliquely installed at an angle with horizontal run, and the port that is arranged in valve body 1 end face at inclination runner is provided with flanged surface, on it for diaphragm drive unit is installed.
The mode that described valve seat 2 is threaded connection is arranged between the inlet/outlet end in valve body 1, "O"-ring 26 is set between valve seat 2 and valve body 1 and to form, is tightly connected; Described flap 4 is in pressing plate 3 is connected to the mounting groove of flap seat 5 bottom surfaces, these flap 4 sealing contacts are on valve seat 2, the contacting sealing surface and can be made as spherical shape of valve seat and flap 4, to strengthen sealing between the two, flap 4 contacts or departs from the sealing of valve seat 2, can realize closing or being communicated with between the interior inlet/outlet end of valve body 1.
Described diaphragm drive unit comprises the diaphragm seat 8 sealing on the middle flanged surface that is arranged on valve body 1 end face with hexagon head bolt and "O"-ring 26, and be fixed on the diaphragm 10 between diaphragm seat and valve gap 11, between valve gap 11 and diaphragm seat 8 is fixedly by hexagon head bolt, hexagon nut and spring washer are realized, at diaphragm seat 8 end faces, be also provided with the groove for diaphragm 10 periphery setting-ins, to strengthen the sealing reliability connecting, and diaphragm 10 can will be separated into mutual disconnected epicoele 22 and cavity of resorption 24 between valve gap 11 and diaphragm seat 8, and in diaphragm seat 8, be also provided with the intercommunicating pore 25 that is communicated with respectively cavity of resorption 24 and valve body 1 outlet end.
Described valve rod 7 is arranged in the inclination runner of valve body 1, therefore the line between these valve rod 7 shaft axiss and turnover, mouthful end is also angle, tilts; Described valve rod 7 upper ends are passed after diaphragm seat 8 and diaphragm 10, through top board 23 and press table 9, are fixed on diaphragm 10, between valve rod 7 and diaphragm seat 8, be also provided with "O"-ring 26 to form movable sealing, described valve rod 7 lower ends connect and formation fixed structure with hexagon nut after passing the flap seat 5 that flap 4 is installed, the outer Returnning spring 6 that is also set with of valve rod 7, pushing tow is distinguished on flap seat 5 and diaphragm seat 8 in the two ends of this Returnning spring, and makes flap 4 have all the time a driving force contacting with valve seat 2 do sealings.
Described manual operating device is located at diaphragm drive unit top, and it comprises that the support 21 and the movable sealing that are arranged on valve gap 11 end faces are arranged on the connecting rod 12 in valve gap 11; Described support 21 tops are provided with drive nut 16, this drive nut top is stretched out support 21 and is connected with handwheel 18, the outer circle flange that is arranged with of drive nut 16, in the upper and lower both sides of flange, be respectively equipped with flat thrust ball bearing 15, flange and pair of bearings are installed in the mounting hole at support 21 tops, then, in being enclosed in by the gland 17 that is threaded in cradle top surface, so just can making drive nut 16 form to rotate but relative to support 21 and can not make axial float; In drive nut 16, be provided with the screw rod 14 being threaded; Described drive nut 16 upper end portions are also provided with the guard shield 20 that nut 19 connects, and this guard shield is on screw rod 14, end shield is combined in, and with aesthetic appearance with prevent that foreign material from entering, screw rod is exposed in support outside lower end.When hand wheel 18 drives drive nut 16, rotate, the screw rod 14 being threaded in drive nut will be driven and axially move up and down.
Between described connecting rod 12 and valve gap 11, be provided with the "O"-ring 26 that forms motive sealing, connecting rod 12 lower ends are threaded with valve rod 7 upper ends, and expose through valve gap 11 connecting rod 12 upper ends, between this exposed junction and screw rod 14 lower ends, is provided with mutually hinged rocking bar 13.
Diaphragm drive unit of the present utility model and manual operating device all can drive separately flap opening/shutting valve, to be that the pressure medium by forming between epicoele 22 and cavity of resorption 24 is poor drive the upper and lower operation of diaphragm 10 to the working procedure of diaphragm drive unit, thereby realize valve opening and closing.
Manual operating device can just use conventionally after damaging appears in diaphragm drive unit; to carry out emergency cut-off valve and keep in repair; it drives drive nut 16 to rotate by hand wheel 18; and then screw rod 14, rocking bar 13 and valve rod 7 are moved axially, can realize the keying of 4 pairs of valve seats 2 of flap.
The above is only better embodiment of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (9)
1. be with a manual diaphragm type hydraulic control valve, comprise valve body (1), valve seat (2), flap (4), valve rod (7), valve gap (11) and diaphragm drive unit; In described valve body (1), be provided with entrance point and the outlet end interconnecting, between inlet/outlet end, be provided with the valve seat (2) that sealing is installed; Described flap (4) sealing contact is on valve seat (2); Described diaphragm drive unit comprise sealing be arranged on the diaphragm seat (8) of valve body (1) end face and be fixed on diaphragm seat and valve gap (11) between diaphragm (10), this diaphragm will be separated into mutual disconnected epicoele (22) and cavity of resorption (24) between valve gap (11) and diaphragm seat (8), and in diaphragm seat (8), is also provided with the intercommunicating pore (25) that is communicated with respectively cavity of resorption (24) and valve body (1) outlet end; Described valve rod (7) upper end is fixed on diaphragm (10), valve rod (7) lower end is connected with flap (4), the outer Returnning spring (6) that is set with of valve rod (7), the two ends difference pushing tow of this Returnning spring is on diaphragm seat (8) and flap (4), it is characterized in that described diaphragm drive unit top is provided with manual operating device, this manual operating device comprises that the support (21) and the movable sealing that are arranged on valve gap (11) end face are arranged on the connecting rod (12) in valve gap (11); Described support (21) top is provided with rotates the drive nut (16) of installing, and this drive nut top is stretched out support (21) and is connected with handwheel (18), is provided with the screw rod (14) being threaded in drive nut (16); Described connecting rod (12) lower end is connected with valve rod (7) upper end, between connecting rod (12) upper end and screw rod (14) lower end, is provided with mutually hinged rocking bar (13).
2. the manual diaphragm type hydraulic control valve of band according to claim 1, is characterized in that the rotation mounting structure of described drive nut (16) at support (21) top is to be provided with pair of bearings (15) between drive nut (16) and support (21).
3. the manual diaphragm type hydraulic control valve of band according to claim 2, is characterized in that the outer flange that is arranged with of described drive nut (16), and described pair of bearings (15) is separately positioned on the upper and lower both sides of flange.
4. the manual diaphragm type hydraulic control valve of band according to claim 1 and 2, is characterized in that described support (21) end face is provided with the gland (17) of restriction drive nut (16) axial float.
5. the manual diaphragm type hydraulic control valve of band according to claim 1 and 2, is characterized in that described drive nut (16) upper end portion is provided with guard shield (20), in this guard shield is combined in the upper end shield of described screw rod (14).
6. the manual diaphragm type hydraulic control valve of band according to claim 1 and 2, it is characterized in that described flap (4) and the linkage structure of valve rod (7) lower end are in valve rod lower end, to be provided with flap seat (5), described flap (4) is in pressing plate (3) is connected to the mounting groove of flap seat (5) bottom surface.
7. the manual diaphragm type hydraulic control valve of band according to claim 1 and 2, is characterized in that described valve seat (2) is made as spherical shape with the sealing surface that contacts of flap (4).
8. the manual diaphragm type hydraulic control valve of band according to claim 1 and 2, is respectively equipped with connection mouth (27) on the entrance point described in it is characterized in that and valve body (1) sidewall of outlet end.
9. the manual diaphragm type hydraulic control valve of band according to claim 1 and 2, is characterized in that the line between described valve rod (7) shaft axis and turnover, mouthful end is angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320725035.2U CN203571191U (en) | 2013-11-18 | 2013-11-18 | Hydraulic control valve with manual diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320725035.2U CN203571191U (en) | 2013-11-18 | 2013-11-18 | Hydraulic control valve with manual diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203571191U true CN203571191U (en) | 2014-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320725035.2U Expired - Lifetime CN203571191U (en) | 2013-11-18 | 2013-11-18 | Hydraulic control valve with manual diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203571191U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235480A (en) * | 2014-08-29 | 2014-12-24 | 苏州福润机械有限公司 | Hydraulic control valve |
-
2013
- 2013-11-18 CN CN201320725035.2U patent/CN203571191U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235480A (en) * | 2014-08-29 | 2014-12-24 | 苏州福润机械有限公司 | Hydraulic control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |
|
| CX01 | Expiry of patent term |