CN204176011U - Novel self-cleaning plunger type switch valve - Google Patents
Novel self-cleaning plunger type switch valve Download PDFInfo
- Publication number
- CN204176011U CN204176011U CN201420551887.9U CN201420551887U CN204176011U CN 204176011 U CN204176011 U CN 204176011U CN 201420551887 U CN201420551887 U CN 201420551887U CN 204176011 U CN204176011 U CN 204176011U
- Authority
- CN
- China
- Prior art keywords
- entrance
- valve
- spool
- switch valve
- type switch
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- 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
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Abstract
The utility model relates to switch valve technical field, discloses a kind of Novel self-cleaning plunger type switch valve.Its switch valve body (100) comprises spool (110) and valve body (120), valve body (120) comprises the entrance (121) of a straight tubulose and one and the outlet section (122) of entrance (121) in the tubulose of 45 ° of angles, and spool (110) to be arranged in entrance (121) thus entrance (121) is configured to one end be the entry end the other end is control end; Be provided with valve pocket (130) between spool (110) and entrance (121), entry end is stretched out in one end of spool (110), and the other end of spool (110) is provided with valve rod (140).The workplace that the utility model can be applicable to super viscous medium automatic discharging and need pipeline to drain.
Description
Technical field
The utility model relates to switch valve technical field, has particularly related to a kind of Novel self-cleaning plunger type switch valve.
Background technique
Existing plunger type switch valve is made up of parts such as valve body, valve gap, valve rod, plunger, aperture frame, seal rings, drives plunger pumping between aperture frame to realize the open and close function of valve by valve rod.Interference fit is adopted between plunger and seal ring in valve, by regulating flange bolt in gland, the lateral force and valve body mesopore face that seal ring are compressed produce and plunger cylindrical seal, thus ensure that the sealing of valve, stop internal and outernal leakage, simultaneously valve opening moment little, valve can have been realized and open and close rapidly.The closedown of plunger valve is made up of a stainless steel plunger, upper and lower two seal rings full of elasticity and a metal bulkhead, and sealing effect is closely cooperated by plunger and seal ring and reaches, and plunger is inserted in two seal rings, and sealing area is much larger than common stop valve; During switch column plug valve, plunger is slowly movement in seal ring, and surface of contact weares and teares hardly, and during closedown, plunger inserts lower seal, blocks runner; During unlatching, although plunger departs from lower seal, but still ensconce in upper seal ring, keep being isolated from the outside, unlikelyly to leak.
Plunger type switch valve is widely used with the structural feature of its uniqueness, is constituent element important in valve.Plunger type switch valve ubiquity in the market easily stuck, drain ability, switching speed slow, be not closed completely, the problem such as the large and Maintenance Difficulty of flow resistance, had a strong impact on the normal use of valve, and the demand automatically controlling open and close cannot have been met.
Summary of the invention
For solving the workplace that in prior art, plunger type switch valve can not be applicable to super viscous medium automatic discharging and need pipeline to drain, provide a kind of Novel self-cleaning plunger type switch valve.
Novel self-cleaning plunger type switch valve, comprises spool and valve body, and it is the outlet section of 45 ° of angles that valve body comprises the entrance of a tubulose and one with entrance, and outlet section is tubulose, is connected with entrance; Spool to be arranged in entrance thus entrance to be configured to one end be the entry end the other end is control end; Be provided with valve pocket between spool and entrance, entry end is stretched out in one end of spool, and the other end of spool is provided with valve rod.
Spool of the present utility model can adopt extended type plunger-type structure, and carries out mirror process to spool face, and valve body of the present utility model can adopt high strength RTFE automatically cleaning to design, and this makes the utility model can have good self cleaning capacity.Valve body of the present utility model can comprise entrance and outlet section, angle between the entry end of outlet section and entrance can be designed as 135 °, entrance and outlet section are configured to full-bore runner jointly, this workplace making the utility model can be applicable to super viscous medium automatic discharging and need pipeline to drain.
As preferably, the inside Zhou Yanshen of port of entry end is configured to the baffle mechanism of a ring shape, and control end is provided with the gland be pressed against by valve pocket on baffle mechanism.
As preferably, between valve pocket and baffle mechanism, be provided with the first seal ring, the first Packing seat successively, between valve pocket and gland, be provided with the second seal ring, the second Packing seat, wing nut successively.
Valve body lumen of the present utility model can be provided with valve pocket, and the two ends of valve pocket can be respectively equipped with the seal ring adopting RTFE material to make, and valve pocket, by butterfly spring pretension, is fixed by gland, makes sealing between spool and valve body reliable, durable in use.Also all can be provided with Packing seat outside seal ring of the present utility model, Packing seat can play seal ring and keeps the effect of compression and impacting force can be made even, and in addition, Packing seat can be to provide centering and guiding for spool moves.
As preferably, valve rod is cylindrical, and the connecting end of itself and spool is provided with positioning block, and positioning block is coaxial with valve rod and radius is greater than the cylindrical of valve rod radius; Spool is provided with the mounting groove coordinated with positioning block, and the sidewall of mounting groove is provided with screw thread; Be provided with valve rod pressing plate between positioning block and mounting groove, valve rod pressing plate screws in mounting groove after being inserted in valve rod.
Spool of the present utility model can be connected with power mechanism by valve rod, achieves automatic control open and close of the present utility model, makes this opening and closing time of the present utility model only need 1/3 ~ 1/2 of conventional column plug valve, substantially increases the sensitivity of valve.
As preferably, the entry end angle of outlet section and entrance can be 135 °.
As preferably, gland is fixed on the control end of entrance by stud.
The entry end of the utility model entrance and outlet section are configured to full-bore runner jointly, abundant solution valve easily stuck, drain ability, switching speed slow, be not closed completely, the problem such as the large and Maintenance Difficulty of flow resistance, the workplace being applicable to super viscous medium automatic discharging and needing pipeline to drain.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of Novel self-cleaning plunger type switch valve in enforcement 1.
The toponym that in accompanying drawing, each number designation refers to is as follows: 100-switch valve body, 110-spool, 120-valve body, 121-entrance, 122-outlet section, 123-baffle mechanism, 130-valve pocket, the 131-the first seal ring, the 132-the second seal ring, the 133-the first Packing seat, the 134-the second Packing seat, 140-valve rod, 141-valve rod pressing plate, 150-wing nut, 160-gland, 170-stud, 171-nut.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Embodiment 1
As shown in Figure 1, for a kind of Novel self-cleaning plunger type switch valve of this enforcement, its switch valve body 100 comprises spool 110 and valve body 120, valve body 120 comprises the entrance 121 of a tubulose and one and the outlet section 122 of entrance 121 in 45 ° of angles, outlet section 122 is tubulose, is connected with entrance 121; Spool 110 to be arranged in entrance 121 thus entrance 121 to be configured to one end be the entry end the other end is control end; Be provided with valve pocket 130 between spool 110 and entrance 121, entry end is stretched out in one end of spool 110, and the other end of spool 110 is provided with valve rod 140.
The inside Zhou Yanshen of port of spool 110 entry end is configured to the baffle mechanism 123 of a ring shape, and control end is provided with the gland 160 be pressed against by valve pocket 130 on baffle mechanism 123.Be provided with the first seal ring 131, first Packing seat 133 between valve pocket 130 and baffle mechanism 123 successively, between valve pocket 130 and gland 160, be provided with the second seal ring 132, second Packing seat 134, wing nut 150 successively.Valve rod 140 is cylindrical, and the connecting end of itself and spool 110 is provided with positioning block 142, and positioning block 142 is for coaxial with valve rod 140 and radius is greater than the cylindrical of valve rod 140 radius; Spool 110 is provided with the mounting groove coordinated with positioning block 142, and the sidewall of mounting groove is provided with screw thread; Be provided with valve rod pressing plate 141 between positioning block 142 and mounting groove, valve rod pressing plate 141 screws in mounting groove after being inserted in valve rod 140.Outlet section 122 is 135 ° with the entry end angle of entrance 121, and gland 160 is fixed on the control end of entrance 121 by stud 170.
Wherein, valve body adopts automatically cleaning technical finesse, the employing RTFE seal ring of the first seal ring 131 and the second seal ring 132.
A kind of Novel self-cleaning plunger type switch valve of this enforcement in use, the entry end of entrance 121 is directly connected with outlet section 122, external motive device is with movable valve plug 110 to move reciprocatingly on valve pocket 130 by valve rod 140, thus the connection can connected and cut off between entry end and outlet end, realize discharge and the cut-off of medium.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (6)
1. Novel self-cleaning plunger type switch valve, comprise switch valve body (100), it is characterized in that: switch valve body (100) comprises spool (110) and valve body (120), valve body (120) comprises the entrance (121) of a tubulose and one and the outlet section (122) of entrance (121) in 45 ° of angles, outlet section (122) is tubulose, is connected with entrance (121); Spool (110) to be arranged in entrance (121) thus entrance (121) is configured to one end is entry end, and the other end is control end; Be provided with valve pocket (130) between spool (110) and entrance (121), entry end is stretched out in one end of spool (110), and the other end of spool (110) is provided with valve rod (140).
2. Novel self-cleaning plunger type switch valve according to claim 1, it is characterized in that: the inside Zhou Yanshen of port of entry end is configured to the baffle mechanism (123) of a ring shape, control end is provided with the gland (160) be pressed against by valve pocket (130) on baffle mechanism (123).
3. Novel self-cleaning plunger type switch valve according to claim 2, it is characterized in that: between valve pocket (130) and baffle mechanism (123), be provided with the first seal ring (131), the first Packing seat (133) successively, between valve pocket (130) and gland (160), be provided with the second seal ring (132), the second Packing seat (134), wing nut (150) successively.
4. Novel self-cleaning plunger type switch valve according to claim 1, it is characterized in that: valve rod (140) is for cylindrical, the connecting end of itself and spool (110) is provided with positioning block (142), and positioning block (142) is for coaxial with valve rod (140) and radius is greater than the cylindrical of valve rod (140) radius; Spool (110) is provided with the mounting groove coordinated with positioning block (142), and the sidewall of mounting groove is provided with screw thread; Be provided with valve rod pressing plate (141) between positioning block (142) and mounting groove, valve rod pressing plate (141) is inserted in valve rod (140) and screws in afterwards in mounting groove.
5. Novel self-cleaning plunger type switch valve according to claim 1, is characterized in that: outlet section (122) is 135 ° with the entry end angle of entrance (121).
6. Novel self-cleaning plunger type switch valve according to claim 3, is characterized in that: gland (160) is fixed on the control end of entrance (121) by stud (170).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420551887.9U CN204176011U (en) | 2014-09-24 | 2014-09-24 | Novel self-cleaning plunger type switch valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420551887.9U CN204176011U (en) | 2014-09-24 | 2014-09-24 | Novel self-cleaning plunger type switch valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204176011U true CN204176011U (en) | 2015-02-25 |
Family
ID=52564821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420551887.9U Expired - Fee Related CN204176011U (en) | 2014-09-24 | 2014-09-24 | Novel self-cleaning plunger type switch valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204176011U (en) |
-
2014
- 2014-09-24 CN CN201420551887.9U patent/CN204176011U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20190924 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |