CN204512469U - A kind of transformer butterfly valve - Google Patents
A kind of transformer butterfly valve Download PDFInfo
- Publication number
- CN204512469U CN204512469U CN201520066509.6U CN201520066509U CN204512469U CN 204512469 U CN204512469 U CN 204512469U CN 201520066509 U CN201520066509 U CN 201520066509U CN 204512469 U CN204512469 U CN 204512469U
- Authority
- CN
- China
- Prior art keywords
- valve rod
- hole
- locating stud
- positioning hole
- valve
- 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
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Abstract
The utility model discloses a kind of transformer butterfly valve, comprise valve body, valve rod, dish plate, positioning block, gland; The top of described valve rod is provided with a radial through hole, is inserted with a locating stud in through hole; Described positioning block is provided with a positioning hole and two fixed holes, positioning hole is sleeved on valve rod top, and the aperture of positioning hole is greater than the length of valve rod locating stud, and positioning hole is divided into upper and lower two sections, wherein the hole wall of epimere is provided with internal thread, and the hole wall of hypomere is provided with the strip boss of two axis; Valve rod locating stud is positioned at the hypomere of positioning hole, and the lock banking stop that can move up and down, entirety is curved is also housed between two strip boss of positioning hole hypomere, and described lock banking stop is contacted with the outer circumferential face of valve rod locating stud by a lower arc-shaped edges and coordinates; Described gland is provided with outside thread, and gland is arranged on the positioning hole epimere of positioning block by screw thread, and the lower end surface of gland contacts with the upper-end surface of lock banking stop and coordinates.
Description
Technical field
The utility model relates to a kind of transformer butterfly valve.
Background technique
Transformer butterfly valve of the prior art comes with some shortcomings always, such as between valve rod and valve body, pass through rubber seal rings for seal, when sealing rubber ring is aging or cannot on-the-spot quick-replaceable after fracture, need drain the oil to transformer and dismantle radiator, then by replaceable for valve rod entirety taking-up rear; Or certain structures can spot replace valve rod sealing rubber ring but cannot lock the on off state of butterfly plate.
Model utility content
The technical problems to be solved in the utility model be to provide a kind of can quick-replaceable valve stem seal rubber ring, line-locked transformer butterfly valve can be entered to the on off state of butterfly plate again.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of transformer butterfly valve, comprises valve body, valve rod, dish plate, positioning block, gland; Described valve body is provided with a circular valve opening, and described valve rod is arranged on valve body along the diametric(al) insertion of valve opening, is sealed between valve rod and valve body by seal ring, and the position of the corresponding valve opening of described valve rod is provided with dish plate; The top of described valve rod is provided with a radial through hole, is inserted with a locating stud in through hole; Described positioning block is provided with three manholes, comprise a positioning hole and two fixed holes, being installed with bolt in two fixed holes is arranged on valve body by positioning block, described positioning hole is sleeved on valve rod top, the aperture of described positioning hole is greater than the length of valve rod locating stud, described positioning hole is divided into upper and lower two sections, and wherein the hole wall of epimere is provided with internal thread, and the hole wall of hypomere is provided with the strip boss of two axis; Described valve rod locating stud is positioned at the hypomere of positioning hole, and the lock banking stop that can move up and down, entirety is curved is also housed between two strip boss of positioning hole hypomere, and described lock banking stop is contacted with the outer circumferential face of valve rod locating stud by a lower arc-shaped edges and coordinates; Described gland is provided with outside thread, and described gland is arranged on the positioning hole epimere of positioning block by screw thread, and the lower end surface of described gland contacts with the upper-end surface of lock banking stop and coordinates.
In technique scheme, top due to described valve rod is provided with a radial through hole, and be inserted with a locating stud in through hole, described positioning block is arranged on valve body by bolt, described positioning hole is sleeved on valve rod top, therefore, when valve stem packing ring changed by needs, only positioning block need be pulled down, extract locating stud, old seal ring between valve rod and valve body just can be chosen by instrument of using, and then is inserted in new seal ring, and whole Renewal process is fast very convenient; Simultaneously, because valve rod locating stud is positioned at the hypomere of positioning hole, the lock banking stop that one can move up and down, entirety is curved is also housed between two strip boss of positioning hole hypomere, described lock banking stop is contacted with the outer circumferential face of valve rod locating stud by a lower arc-shaped edges and coordinates, the upper-end surface of lock banking stop contacts with the lower end surface of gland and coordinates, when butterfly plate is in the state opened or closed, when tightening gland downwards, lock banking stop just moves down compressing positioning pin, thus make valve rod can not left rotation and right rotation, so just achieve the locking to dish switching plate state; And after taking-up gland, rotation valve rod, just can drive locating stud left rotation and right rotation, because lock banking stop to be contacted with the outer circumferential face of locating stud by a lower arc-shaped edges to coordinate, so when locating stud rotates, due to the impacting force above without gland, lock banking stop just moves up and down under the stirring of locating stud, so just relieves the locking effect to locating stud.
In one embodiment, the lower end surface of described lock banking stop is lower arc-shaped edges, and described lower end surface contacts with the outer circumferential face of valve rod locating stud and coordinates.
In one embodiment, the middle part of described lock banking stop is provided with a through hole, and upper half part of described through-hole wall is lower arc-shaped edges, and described lower arc-shaped edges contacts with the outer circumferential face of valve rod locating stud and coordinates.
Accompanying drawing explanation
Fig. 1 is the first structural representation of the present utility model;
Fig. 2 is the dextrad view of Fig. 1;
Fig. 3 is the first structural representation of the present utility model;
Fig. 4 is the dextrad view of Fig. 3;
Fig. 5 is valve body structure schematic diagram of the present utility model;
Fig. 6 is stem structure schematic diagram of the present utility model;
Fig. 7 is positioning block structure schematic diagram of the present utility model;
Fig. 8 is the plan structure schematic diagram of Fig. 7;
Fig. 9 be Fig. 7 look up structural representation;
Figure 10 is gland structure schematic diagram of the present utility model;
Figure 11 is only the first structural representation of locking plate of the present utility model;
Figure 12 is only locking plate the second structural representation of the present utility model;
Figure 13 is the plan structure schematic diagram of Figure 11 or 12.
Embodiment
Embodiment 1
A kind of transformer butterfly valve as shown in Fig. 1,2,5,6, comprises valve body 1, valve rod 2, dish plate, positioning block 3, gland 4; Described valve body 1 is provided with a circular valve opening 11, and described valve rod 2 is arranged on valve body 1 along the diametric(al) insertion of valve opening 11, and sealed by seal ring between valve rod 2 and valve body 1, the position of the corresponding valve opening 11 of described valve rod 2 is provided with dish plate; The top of described valve rod 2 is provided with a radial through hole, is inserted with a locating stud 21 in through hole; As shown in Fig. 7,8,9, described positioning block 3 is provided with three manholes, comprise a positioning hole 31 and two fixed holes 32, being installed with bolt in two fixed holes 32 is arranged on valve body 1 by positioning block 3, described positioning hole 31 is sleeved on valve rod 2 top, and the aperture of described positioning hole 31 is greater than the length of valve rod locating stud 21, and described positioning hole 31 is divided into upper and lower two section 311,312, wherein the hole wall of epimere 311 is provided with internal thread, and the hole wall of hypomere 312 is provided with the strip boss 313 of two axis; Described valve rod locating stud 21 is positioned at the hypomere 312 of positioning hole, and a lock banking stop 5 moving up and down is also housed between two strip boss 313 of positioning hole hypomere 312; As shown in Figure 11,13, described lock banking stop 5 is overall curved, and the middle part of described lock banking stop 5 is provided with a through hole 51, and upper half part of described through hole 51 inwall is lower arc-shaped edges 52, and described lower arc-shaped edges 52 contacts with the outer circumferential face of valve rod locating stud 21 and coordinates; As shown in Figure 10, described gland 4 is provided with outside thread, and described gland 4 is arranged on the positioning hole epimere 311 of positioning block 3 by screw thread, and the lower end surface 41 of described gland 4 contacts with the upper-end surface of lock banking stop 5 and coordinates.
Using method of the present utility model is: when butterfly plate is in the state opened or closed, tighten gland 4 downwards, gland 4 just promotes lock banking stop 5 and moves down compressing positioning pin 21, thus makes valve rod 2 can not left rotation and right rotation, so just achieves the locking to dish switching plate state; And after taking-up gland 4, rotation valve rod 2, just can drive locating stud 21 left rotation and right rotation in positioning hole 31, because lock banking stop 5 to be contacted with the outer circumferential face of locating stud 21 by a lower arc-shaped edges 52 to coordinate, so when locating stud 21 rotates, due to above without the impacting force of gland 4, lock banking stop 5 just moves up and down under the stirring of locating stud 21, so just relieves the locking effect to locating stud 21.
Embodiment 2
A kind of transformer butterfly valve as shown in Fig. 3,4,5,6, comprises valve body 1, valve rod 2, dish plate, positioning block 3, gland 4; Described valve body 1 is provided with a circular valve opening 11, and described valve rod 2 is arranged on valve body 1 along the diametric(al) insertion of valve opening 11, and sealed by seal ring between valve rod 2 and valve body 1, the position of the corresponding valve opening 11 of described valve rod 2 is provided with dish plate; The top of described valve rod 2 is provided with a radial through hole, is inserted with a locating stud 21 in through hole; As shown in Fig. 7,8,9, described positioning block 3 is provided with three manholes, comprise a positioning hole 31 and two fixed holes 32, being installed with bolt in two fixed holes 32 is arranged on valve body 1 by positioning block 3, described positioning hole 31 is sleeved on valve rod 2 top, and the aperture of described positioning hole 31 is greater than the length of valve rod locating stud 21, and described positioning hole 31 is divided into upper and lower two section 311,312, wherein the hole wall of epimere 311 is provided with internal thread, and the hole wall of hypomere 312 is provided with the strip boss 313 of two axis; Described valve rod locating stud 21 is positioned at the hypomere 312 of positioning hole, and a lock banking stop 6 moving up and down is also housed between two strip boss 313 of positioning hole hypomere 312; As shown in Figure 12,13, described lock banking stop 6 is overall curved, and the lower end surface 61 of described lock banking stop is lower arc-shaped edges, and described lower end surface 61 contacts with the outer circumferential face of valve rod locating stud 21 and coordinates; As shown in Figure 10, described gland 4 is provided with outside thread, and described gland 4 is arranged on the positioning hole epimere 311 of positioning block 3 by screw thread, and the lower end surface 41 of described gland 4 contacts with the upper-end surface of lock banking stop 6 and coordinates.
Using method of the present utility model is: when butterfly plate is in the state opened or closed, tighten gland 4 downwards, gland 4 just promotes lock banking stop 6 and moves down compressing positioning pin 21, thus makes valve rod 2 can not left rotation and right rotation, so just achieves the locking to dish switching plate state; And after taking-up gland 4, rotation valve rod 2, just can drive locating stud 21 left rotation and right rotation in positioning hole 31, because lock banking stop 6 to be contacted with the outer circumferential face of locating stud 21 by a lower arc-shaped edges and lower end surface 61 to coordinate, so when locating stud 21 rotates, due to above without the impacting force of gland 4, lock banking stop 6 just moves up and down under the stirring of locating stud 21, so just relieves the locking effect to locating stud 21.
Claims (3)
1. a transformer butterfly valve, is characterized in that: comprise valve body, valve rod, dish plate, positioning block, gland; Described valve body is provided with a circular valve opening, and described valve rod is arranged on valve body along the diametric(al) insertion of valve opening, is sealed between valve rod and valve body by seal ring, and the position of the corresponding valve opening of described valve rod is provided with dish plate; The top of described valve rod is provided with a radial through hole, is inserted with a locating stud in through hole; Described positioning block is provided with three manholes, comprise a positioning hole and two fixed holes, being installed with bolt in two fixed holes is arranged on valve body by positioning block, described positioning hole is sleeved on valve rod top, the aperture of described positioning hole is greater than the length of valve rod locating stud, described positioning hole is divided into upper and lower two sections, and wherein the hole wall of epimere is provided with internal thread, and the hole wall of hypomere is provided with the strip boss of two axis; Described valve rod locating stud is positioned at the hypomere of positioning hole, and the lock banking stop that can move up and down, entirety is curved is also housed between two strip boss of positioning hole hypomere, and described lock banking stop is contacted with the outer circumferential face of valve rod locating stud by a lower arc-shaped edges and coordinates; Described gland is provided with outside thread, and described gland is arranged on the positioning hole epimere of positioning block by screw thread, and the lower end surface of described gland contacts with the upper-end surface of lock banking stop and coordinates.
2. transformer butterfly valve according to claim 1, is characterized in that: the lower end surface of described lock banking stop is lower arc-shaped edges, and described lower end surface contacts with the outer circumferential face of valve rod locating stud and coordinates.
3. transformer butterfly valve according to claim 1, is characterized in that: the middle part of described lock banking stop is provided with a through hole, and upper half part of described through-hole wall is lower arc-shaped edges, and described lower arc-shaped edges contacts with the outer circumferential face of valve rod locating stud and coordinates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520066509.6U CN204512469U (en) | 2015-01-30 | 2015-01-30 | A kind of transformer butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520066509.6U CN204512469U (en) | 2015-01-30 | 2015-01-30 | A kind of transformer butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204512469U true CN204512469U (en) | 2015-07-29 |
Family
ID=53710449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520066509.6U Expired - Fee Related CN204512469U (en) | 2015-01-30 | 2015-01-30 | A kind of transformer butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204512469U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681648A (en) * | 2019-01-30 | 2019-04-26 | 黄雪文 | A kind of butterfly valve of lockable valve plate |
-
2015
- 2015-01-30 CN CN201520066509.6U patent/CN204512469U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681648A (en) * | 2019-01-30 | 2019-04-26 | 黄雪文 | A kind of butterfly valve of lockable valve plate |
| CN109681648B (en) * | 2019-01-30 | 2019-12-10 | 浙江华晨阀门有限公司 | butterfly valve capable of locking valve plate |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20190130 |