CN2566073Y - Control valve - Google Patents
Control valve Download PDFInfo
- Publication number
- CN2566073Y CN2566073Y CN 02267008 CN02267008U CN2566073Y CN 2566073 Y CN2566073 Y CN 2566073Y CN 02267008 CN02267008 CN 02267008 CN 02267008 U CN02267008 U CN 02267008U CN 2566073 Y CN2566073 Y CN 2566073Y
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- China
- Prior art keywords
- valve rod
- valve
- case
- outer end
- novel control
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- Expired - Fee Related
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Abstract
The utility model provides a novel control valve, which belongs to the technical field of valves. The novel control valve solves the problems of the existing control valves having complicated structure, higher cost and short service life. The novel control valve comprises a valve body, a valve core, a valve rod and an independent switching handle, wherein, the valve rod is provided with a cover, and the outer end surface of the cover is provided with a circular hole. The outer end of the valve rod and the outer end surface of the cover are on the same level, a disk-shaped blocking sheet is sheathed on the valve rod, and an offsetting spring sheathed on the valve rod is arranged between the blocking sheet and the valve body. The switching handle is provided with a convex head, the outer diameter of the convex head is slightly smaller than the inner diameter of the circular hole in the cover, and the convex head is provided with a notch matched with the shape of the outer end of the valve rod. The switching handle can be rotated to drive the valve rod and a valve core connected with the valve rod to rotate, and thus the valve can be operated. The utility model having the advantages of simple and reasonable structure and low cost can be used for various kinds of valves such as ball valves, gate valves, etc.
Description
Technical field
The utility model belongs to valve technology field, particularly a kind of novel valve with control function.
Background technique
On the various pipelines of industries such as water supply, air feed, oil, chemical industry, pipeline transport, valve has a wide range of applications.In many occasions, people need manage the switching of valve, arbitrarily open and close to prevent the non-management employee, avoid causing damage or wasting.For this reason, the various valves that have locking device occurred, some has also applied for patent." Valve with lock " that provides as Chinese patent 96211221.6, but it is to be provided with a lock body on the turn parts of valve, lock core is arranged in the lock body, the tail end of lock core has projection to drive dead bolt, but utilize dead bolt to snap in or withdraw from groove on the turn parts, realize the keying of valve, reach personal management's purpose.
But existing Valve with lock is owing to use key, and not only the structure of product is complicated, cost is high, and each manager needs to manage the valve of a large number of users sometimes, also just need carry a large amount of keys, and operating very bothers.
The handle of valve is separated with valve body, and adopting relatively uniform special tool to come the switching of control valve is a kind of comparatively ideal solution.There are the magnetic principles utilized, employing to have the magnetic control valve of the switching handle control of magnet at present.As " lock controlled ball valve " that Chinese patent 99245949.4 provides, it is at valve body and cap shape permanent magnet to be housed all on the key, utilizes the principle of opposite sex attraction of permanent magnet, controls the switching of ball valve, adopts other instrument then can't open.But magnetic control valve exists baroque problem equally, causes the cost of product higher.Simultaneously, the complexity of structure also causes product in use to occur variety of issue easily, influences its working life.
Summary of the invention
The purpose of this utility model is exactly in order to address the above problem, and a kind of special tool and simple and reasonable, easy to operate valve with locking device of adopting is provided.
The purpose of this utility model realizes by following technical proposal: this novel control valve comprises valve body, spool, valve rod and one is independently opening and closing handle, valve rod passes valve body, its the inner connects with spool, valve body is stretched out in the outer end, also be provided with seal ring between valve rod and the valve body, the valve rod place is provided with a columnar case, case and valve body are connected, a circular hole is arranged on the exterior edge face of case, the aperture of this circular hole is less than the internal diameter of case housing, the outer end of above-mentioned valve rod is equal with the exterior edge face of case, discoidal catch of socket on valve rod, the external diameter of catch is between the internal diameter of the internal diameter of above-mentioned circular hole and case housing, catch is positioned at case, and is provided with a Returnning spring that is placed on the valve rod between catch and valve body, and a plush copper is arranged on the above-mentioned switching handle, the external diameter of plush copper is slightly less than the internal diameter of circular hole on the case, and a recess that matches with valve rod outer end shape is arranged on the plush copper.
In this novel control valve, because valve body and valve rod are not connected with opening and closing handle, the outer end of valve rod is equal with the case exterior edge face, if so do not have the switching handle of being joined, just can't operate, thereby play the effect of locking this valve.In the time of need be to this valve operation, can only the plush copper that open and close handle be inserted in the circular hole of case, the outer end of valve rod is snapped in the recess of plush copper with the switching handle of being joined.Like this, by the rotary opening closing handle, drive valve rod and with the valve core rotation that valve rod links, this valve is operated.Behind end of operation, transfer to the switching handle to get final product.
In above-mentioned novel control valve, a columniform positioning body is arranged on the described catch, the external diameter of positioning body is slightly less than the internal diameter of circular hole on the case.
When this valve not being operated, catch at roof pressure under the effect of Returnning spring on the inner side surface of case outer end.Simultaneously, the catch upper positioning body snaps in the circular hole of case, makes it equal with the case exterior edge face.
In above-mentioned novel control valve, preferably the outer end of valve rod is cylindrical, and its surface is provided with outer teeth, correspondingly on opening and closing the recess inner side surface of handle, be provided with therewith outside the interior teeth that are meshed of teeth.During use, be meshing with each other by inside and outside teeth this valve is operated.
In above-mentioned novel control valve, the outer end of valve rod can also be for square, and the recess that correspondingly opens and closes handle is also for square, and its size is slightly larger than the size of valve rod outer end.
Compared with prior art, advantage of the present utility model is:
1, owing to only on common valve basis case and catch are set, it is simple and reasonable, and the cost of product is lower.
2, of the present utility modelly can use same switching handle with a collection of product, make open and close handle carry and all very convenient to the operation of valve, have certain practical value.
3, can be unrestricted because open and close the rotation number of turns and the angle of handle drive valve rod, so the utility model can be widely used on various types of valves such as ball valve, gate valve.
Description of drawings
Fig. 1 is the sectional view of the novel control valve that provides of the utility model.
Fig. 2 is the sectional view that handle is is provided in the novel control valve that provides of the utility model.
Fig. 3 is the structural representation of this novel control valve when operation.
Fig. 4 is the profile schematic representation after novel control valve that the utility model provides removes case, catch and Returnning spring.
Among the figure, 1, valve body; 10, breach; 2, spool; 3, valve rod; 30, outer teeth; 31, blind; 4, seal ring; 5, case; 50, annular groove; 51, circular hole; 6, catch; 60, positioning body; 7, open and close handle; 70, plush copper; 71, recess; 72, outer cover; 73, spring; 74, pellet shot from a slingshot; 75, interior teeth; 8, Returnning spring.
Embodiment
As shown in Figure 1, the novel control valve that provides of the utility model comprises valve body 1, spool 2, valve rod 3, case 5, catch 6, Returnning spring 8 and opens and closes handle 7.In the present embodiment, valve is a ball valve, and its spool 2 is spherical in shape, and the inner of valve rod 3 connects with spool 2, and valve body 1 is stretched out in the outer end of valve rod 3, is arranged in case 5, and the outer end of valve rod 3 is equal with the exterior edge face of case 5.Also be provided with the ○Xing Mifengquan 4 that seals between valve rod 3 and the valve body 1.
As shown in figures 1 and 3, case 5 is a cylindrical shape, and it and valve body 1 are fixed together.Circular hole 51 apertures of case 5 exterior edge faces are less than the internal diameter of case 5 housings.In the present embodiment, catch 6 and Returnning spring 8 all are socketed on the valve rod 3.Because the external diameter of catch 6 is between the internal diameter of case 5 circular holes 51 and case 5 housings, catch 6 can be at roof pressure under the effect of Returnning spring 8 on the inner side surface of case 5.As shown in Figure 4, a columniform positioning body 60 is arranged on the catch 6.Because positioning body 60 snaps in the circular hole 51, the exterior edge face of case 5 is more smooth, makes this valve not only specious, and can prevent that foreign material from entering in the valve body 1 from valve rod 3 outer ends.
Shown in Fig. 1 and Fig. 2, the outer end of valve rod 3 is cylindrical, and there are outer teeth 30 on its surface.Opening and closing in the handle 7 has a plush copper 70 that is used for inserting case 5 circular holes 51, and a recess 71 is arranged on the plush copper 70, and the inner side surface of recess 71 is provided with interior teeth 75.As shown in Figure 3, when switching handle 7 inserted in case 5, the outer teeth 30 of valve rod 3 outer ends were meshed with interior teeth 75 on the recess 71, make that switching handle 7 can drive valve rod 3 and spool 2 rotates together.
As shown in Figure 3, when switching handle 7 inserted in case 5, catch 6 moved down.But some is positioned at the circular hole 51 of case 5 to the positioning body 60 on the catch 6 all the time.Like this, can guarantee that the position of catch 6 can not change in this valve operation process, play positioning action.
Obviously, when opening and closing handle 7 when transfering on by case 5, catch 6 can reset under the effect of Returnning spring 8.
But in this valve operation process, the operator needs a downward pressure, makes to open and close the elastic force that handle 7 overcomes Returnning spring 8, inserts in all the time in the circular hole 51.This can cause the operating cost force phenomenon.For this reason, in the present embodiment, open an annular groove 50, on opening and closing handle 7, establish a cylindrical outer cover 72 that can be placed in outside the case 5 at the outer side surface of case 5, the inner side surface of outer cover 72 is provided with several pellet shot from a slingshot holes, and the pellet shot from a slingshot 74 of a spring 73 and spring 73 outer ends all is housed in each pellet shot from a slingshot hole.When opening and closing handle 7 when being buckled on the case 5 this valve operation, the cylindrical outer cover 72 that opens and closes handle 7 will cover case 5, and the pellet shot from a slingshot 74 of its outer cover 72 inner side surfaces can snap under the effect of spring 73 in the annular groove 50 outside the case 5.By stopping of pellet shot from a slingshot 74, to overcome the elastic force of Returnning spring 8.Like this, needn't push down during operation and open and close handle 7, as long as rotary opening closing handle 7.
As shown in Figure 1 and Figure 4, because ball valve has certain requirement to the rotation angle of valve rod 3, so can locate be provided with a position-limit mechanism in the outer end of valve rod 3.In the present embodiment, position-limit mechanism is provided with a blind 31 that is connected with valve rod 3 for the place of stretching out at valve body 1 upper valve rod 3 has a breach 10 in the breach 10.Blind 31 can be to be connected as a single entity with valve rod 3.Because of blind 31 can only move in breach 10, so can limit the rotation angle of valve rod 3.Normally the rotation angle with valve rod 3 is limited in 90 °, the spool 2 that makes ball valve close fully and the position of conducting fully between change.
When this novel control valve is gate valve, just there is no need above-mentioned position-limit mechanism has been set.
Claims (8)
1, a kind of novel control valve, comprise valve body (1), spool (2), valve rod (3) and one is independently opening and closing handle (7), valve rod (3) passes valve body (1), its the inner connects with spool (2), valve body (1) is stretched out in the outer end, also be provided with seal ring (4) between valve rod (3) and the valve body (1), valve rod (3) locates to be provided with a columnar case (5), case (5) is connected with valve body (1), a circular hole (51) is arranged on the exterior edge face of case (5), the aperture of this circular hole (51) is less than the internal diameter of case (5) housing, the outer end that it is characterized in that described valve rod (3) is equal with the exterior edge face of case (5), go up a discoidal catch of socket (6) at valve rod (3), the external diameter of catch (6) is between the internal diameter of the internal diameter of above-mentioned circular hole (51) and case (5) housing, catch (6) is positioned at case (5), and between catch (6) and valve body (1), be provided with a Returnning spring (8) that is placed on the valve rod (3), on the above-mentioned switching handle (7) plush copper (70) is arranged, the external diameter of plush copper (70) is slightly less than the internal diameter that case (5) is gone up circular hole (51), and a recess (71) that matches with valve rod (3) outer end shape is arranged on the plush copper (70).
2, novel control valve according to claim 1 is characterized in that a columniform positioning body (60) is arranged on the described catch (6), and the external diameter of positioning body (60) is slightly less than the internal diameter that case (5) is gone up circular hole (51).
3, novel control valve according to claim 1 and 2, the outer end that it is characterized in that described valve rod (3) is cylindrical, its surface is provided with outer teeth (30), correspondingly on recess (71) inner side surface that opens and closes handle (7), be provided with therewith outside the interior teeth (75) that are meshed of teeth (30).
4, novel control valve according to claim 1 and 2, the outer end that it is characterized in that described valve rod (3) is square, the recess (71) that correspondingly opens and closes handle (7) is also for square, and its size is slightly larger than the size of valve rod (3) outer end.
5, novel control valve according to claim 1 and 2, it is characterized in that opening an annular groove (50) at the outer side surface of case (5), on opening and closing handle (7), establish a cylindrical outer cover (72) that can be placed in outside the case (5), the inner side surface of outer cover (72) is provided with several pellet shot from a slingshot holes, and the pellet shot from a slingshot (74) of a spring (73) and spring (73) outer end all is housed in each pellet shot from a slingshot hole.
6, novel control valve according to claim 1 and 2 is characterized in that the place, outer end of described valve rod (3) is provided with a position-limit mechanism.
7, novel control valve according to claim 6 is characterized in that described position-limit mechanism for the place of stretching out at valve body (1) upper valve rod (3) has a breach (10), is provided with a blind (31) that is connected with valve rod (3) in the breach (10).
8, novel control valve according to claim 7 is characterized in that described blind (31) and valve rod (3) are connected as a single entity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02267008 CN2566073Y (en) | 2002-09-05 | 2002-09-05 | Control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02267008 CN2566073Y (en) | 2002-09-05 | 2002-09-05 | Control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2566073Y true CN2566073Y (en) | 2003-08-13 |
Family
ID=33732702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02267008 Expired - Fee Related CN2566073Y (en) | 2002-09-05 | 2002-09-05 | Control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2566073Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864450A (en) * | 2016-06-03 | 2016-08-17 | 江苏威尔迪威阀业有限公司 | All-welded ball valve disc type sealing structure |
| CN113970010A (en) * | 2019-07-05 | 2022-01-25 | 自贡自高阀门有限公司 | Self-locking valve and system |
-
2002
- 2002-09-05 CN CN 02267008 patent/CN2566073Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864450A (en) * | 2016-06-03 | 2016-08-17 | 江苏威尔迪威阀业有限公司 | All-welded ball valve disc type sealing structure |
| CN113970010A (en) * | 2019-07-05 | 2022-01-25 | 自贡自高阀门有限公司 | Self-locking valve and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030813 Termination date: 20100905 |