CN203627988U - Stop valve - Google Patents
Stop valve Download PDFInfo
- Publication number
- CN203627988U CN203627988U CN201420002691.4U CN201420002691U CN203627988U CN 203627988 U CN203627988 U CN 203627988U CN 201420002691 U CN201420002691 U CN 201420002691U CN 203627988 U CN203627988 U CN 203627988U
- Authority
- CN
- China
- Prior art keywords
- valve
- pad
- antidiarrheal
- valve rod
- electromagnetic coil
- 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 - Fee Related
Links
- 230000001142 anti-diarrhea Effects 0.000 claims description 33
- 125000006850 spacer group Chemical group 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model relates to the technical field of pipeline valves, in particular to a stop valve. The stop valve comprises a valve body, a valve cover and a valve rod, wherein the valve cover is fixedly arranged on the valve body, an annular anti-leakage pad is fixedly disposed in a valve cavity, and a seal cover which is matched with the valve cavity is disposed in the valve cavity below the anti-leakage pad; an adjustable joint is arranged at the upper end of the valve cover, an electromagnetic coil is mounted on the adjustable joint, the upper end of the valve rod is disposed in the electromagnetic coil, and the lower end of the valve rod sequentially penetrates a pressure relief hole and the anti-leakage pad to be connected with the seal cover; an air inlet hole and an air outlet hole are formed in two ends of the valve body and communicated with the valve cavity on two sides of the anti-leakage pad respectively. The stop valve has the advantages that the structure is reasonable, the valve body is at a stopping state when the electromagnetic coil is powered off, the seal cover is in contact with the anti-leakage pad by the aid of the inner pressure of the air inlet hole, the valve rod is at a self-locking state, error operation can be effectively avoided, when the electromagnetic coil is powered on, the valve rod upwards moves under the action of springs and air pressure of an inner cavity of the valve body at the same time, an air transmission passageway is cut off, meanwhile, air pressure in an air loop is discharged through the pressure relief hole, so that system maloperation is avoided, and usage safety is improved.
Description
Technical field
The utility model relates to pipeline valve technical field, particularly a kind of stop valve.
Background technique
Stop valve is the industry equipment that is applied to fluid control, be used in industry and control altogether the flow parameter of adjusting fluid in system, for controlling fluid cut-out or open-minded, and control uninterrupted or the valve type base components opening circuit of damming, by coordinating other valve members to be used in combination, there is the multiple use pattern such as switch and changes in flow rate.
Common stop valve comprises valve body and is arranged in the valve rod in valve body, and the air flue on valve rod respectively correspondence is arranged between suction port and air outlet, valve rod passes through the phase place of change in valve body to control the path between suction port and air outlet, and then realizes the break-make control to place system.Still there is certain defect in existing stop valve, such as the interior pressure of valve body has certain obstruction to the displacement of valve rod, make the startup of valve rod need larger power, the phase place of valve rod needs two-way control, operating flexibility is not strong, cause volume to increase, therefore, be necessary existing technology to improve.
Model utility content
The purpose of this utility model is for the defect of prior art and deficiency, and a kind of rational in infrastructure, easy to operate, reliable and stable stop valve is provided.
For achieving the above object, the utility model is by the following technical solutions:
A kind of stop valve described in the utility model, comprise valve body, be fixed at valve gap, valve rod on valve body, the valve body of described valve gap inner side is provided with valve pocket, in valve pocket, be fixed with annular antidiarrheal pad, in the valve pocket of antidiarrheal pad below, be provided with the capping being mated, valve gap is provided with the relief hole that is communicated with valve pocket; Described valve gap upper end is provided with adjusting joint, regulates joint to be provided with electromagnetic coil, and valve rod can be located in valve gap to oscilaltion, and valve rod upper end is located in electromagnetic coil, and valve rod lower end is successively through being connected with capping after relief hole, antidiarrheal pad; Valve body two ends have inlet hole and air outlet hole and are communicated with the valve pocket of antidiarrheal pad both sides respectively.
Further, in the valve pocket of described antidiarrheal pad top, be provided with the spacer of conflicting with valve gap, in the valve pocket of antidiarrheal pad below, be provided with step, spacer coordinates with step is fixed in valve pocket antidiarrheal pad, and valve rod lower end is successively through being connected with capping after relief hole, spacer, antidiarrheal pad.
Further, the valve gap of relief hole bottom is provided with stationary platen, conflicts with button and stationary platen respectively in the two ends that are arranged with spring (24) and spring on valve rod.
The utility model beneficial effect is: compared with prior art, the utility model is rational in infrastructure, and when electromagnetic coil power-off, valve body is in cut-off state, and the interior pressure of inlet hole is conflicted capping and antidiarrheal pad, and valve rod, in self-locking state, can effectively be avoided malfunction operation; The air pressure of electromagnetic coil energising rear spring and body cavity acts on simultaneously valve rod is moved up, and when cutting off gas transmission path, discharges with the air pressure in air circuit by relief hole, avoids system malfunction, has improved the Security using.
Accompanying drawing explanation
Fig. 1 is overall cross-sectional view of the present utility model.
In figure:
10, valve body; 11, valve pocket; 12, seal ring one; 13, antidiarrheal pad;
14, capping; 15, inlet hole; 16, air outlet hole; 17, spacer;
18, step; 20, valve gap; 21, relief hole; 22, seal ring two;
23, stationary platen; 24, spring; 25, regulate joint; 30, valve rod;
31, electromagnetic coil.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
A kind of stop valve described in the utility model, comprise valve body 10, be fixed at valve gap 20 on valve body 10, be liftably arranged in the valve rod 30 on valve gap 20, the valve body 10 of described valve gap 20 inner sides is provided with valve pocket 11, between valve gap 20 and valve body 10, be provided with seal ring 1, valve pocket 11 is coordinated and is formed closed shape body by valve gap 20, valve rod 30, seal ring 12 and valve body 10; In valve pocket 11, be fixed with annular antidiarrheal pad 13, the valve pocket of sealing 11 is divided into two independent air that communicate by antidiarrheal pad 13, and in the valve pocket 11 of antidiarrheal pad 13 belows, be provided with the capping 14 being mated, capping 14 is conflicted and is made the through hole sealing on antidiarrheal pad 13 with antidiarrheal pad 13, and then valve pocket 11 is divided into two obstructed independent air; Valve gap 20 is provided with the relief hole 21 that is communicated with valve pocket 11, is provided with seal ring 2 22 in relief hole 21, and seal ring 22 coordinates to keep valve pocket 11 to seal with valve rod 30; Described valve gap 20 upper ends are provided with and regulate joint 25, regulate joint 25 to be provided with electromagnetic coil 31, valve rod 30 can be located to oscilaltion in valve gap 20, electromagnetic coil 31 declines for actuate valve stem 30, can change the relative position of valve rod 30 and valve gap 20 by regulating joint 25 to change electromagnetic coil 31, valve rod 30 lower ends are successively through being connected with capping 14 after seal ring 2 22, antidiarrheal pad 13, when antidiarrheal pad 13 has certain wearing and tearing or valve rod 30 positions to be offset, by regulating joint 25 to adjust, improve stability and the working life of mechanism; Valve body 10 two ends have inlet hole 15 and air outlet hole 16 and are communicated with the valve pocket 11 of antidiarrheal pad 13 both sides respectively; On off operating mode between inlet hole 15 and air outlet hole 16 is determined by capping 14 and antidiarrheal pad 13 mated condition.
In the valve pocket 11 of described antidiarrheal pad 13 tops, be provided with the spacer 17 of conflicting with valve gap 20, seal ring 2 22 is located between valve gap 20 and spacer 17, therefore valve rod 30 through seal ring 2 22 with its formation interference fit and then the sealing that keeps valve pocket 11; In the valve pocket 11 of antidiarrheal pad 13 belows, be provided with step 18, spacer 17 coordinates with step 18 is fixed in valve pocket 11 antidiarrheal pad 13, valve rod 30 lower ends are successively through being connected with capping 14 after relief hole 21, spacer 17, antidiarrheal pad 13, valve rod 30 declines and drives capping 14 to depart from antidiarrheal pad 13 to open the path between inlet hole 15 and air outlet hole 16, and valve rod 30 coordinates with seal ring 2 22 and closes relief hole 21 and then valve pocket 11 formation are sealed simultaneously.
The valve gap 20 of described relief hole 21 bottoms is provided with stationary platen 23, conflicts with button 31 and stationary platen 23 respectively in the two ends that are arranged with spring 24 and spring 24 on valve rod 30; When valve rod 30 is released from bottom, spring 24 improves initial driving force upwards to valve rod 30, and the self-locking state that finally makes valve rod 30 keep up.Described valve rod 30 is provided with annular groove 33, and the internal diameter of seal ring 2 22 coordinates with valve rod 30 external diameters of annular groove 33 upper ends; The internal diameter of described antidiarrheal pad 13 coordinates with valve rod 30 external diameters of annular groove 33 lower ends.
The above is only preferred embodiments 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 (3)
1. a stop valve, comprise valve body (10), be fixed at valve gap (20), valve rod (30) on valve body (10), it is characterized in that: the valve body (10) of described valve gap (20) inner side is provided with valve pocket (11), in valve pocket (11), be fixed with annular antidiarrheal pad (13), in the valve pocket (11) of antidiarrheal pad (13) below, be provided with the capping (14) being mated, valve gap (20) is provided with the relief hole (21) that is communicated with valve pocket (11); Described valve gap (20) upper end is provided with and regulates joint (25), regulate joint (25) to be provided with electromagnetic coil (31), valve rod (30) can be located to oscilaltion in valve gap (20), valve rod (30) upper end is located in electromagnetic coil (31), and valve rod (30) lower end is successively through being connected with capping (14) after relief hole (21), antidiarrheal pad (13); Valve body (10) two ends have inlet hole (15) and air outlet hole (16) and are communicated with the valve pocket (11) of antidiarrheal pad (13) both sides respectively.
2. stop valve according to claim 1, it is characterized in that: in the valve pocket (11) of described antidiarrheal pad (13) top, be provided with the spacer (17) of conflicting with valve gap (20), in the valve pocket (11) of antidiarrheal pad (13) below, be provided with step (18), spacer (17) coordinates with step (18) is fixed in valve pocket (11) antidiarrheal pad (13), and valve rod (30) lower end is successively through being connected with capping (14) after relief hole (21), spacer (17), antidiarrheal pad (13).
3. stop valve according to claim 2, it is characterized in that: the valve gap (20) of described relief hole (21) bottom is provided with stationary platen (23), conflicts with button (31) and stationary platen (23) respectively in the two ends that are arranged with spring (24) and spring (24) on valve rod (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420002691.4U CN203627988U (en) | 2014-01-03 | 2014-01-03 | Stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420002691.4U CN203627988U (en) | 2014-01-03 | 2014-01-03 | Stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203627988U true CN203627988U (en) | 2014-06-04 |
Family
ID=50814467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420002691.4U Expired - Fee Related CN203627988U (en) | 2014-01-03 | 2014-01-03 | Stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203627988U (en) |
-
2014
- 2014-01-03 CN CN201420002691.4U patent/CN203627988U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Longwan District of Wenzhou City, Zhejiang province 325000 North Street Yong Hu Zhai Xiang new road No. 34 Patentee after: Zhejiang Jie Yu Valve Co.,Ltd. Address before: 325000, Zhejiang province Wenzhou city Longwan District hi tech park, South Village, Ding Ding Patentee before: WENZHOU JIEYU VALVE MANUFACTURE Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |