CN202992298U - Back pressure valve and test system thereof - Google Patents
Back pressure valve and test system thereof Download PDFInfo
- Publication number
- CN202992298U CN202992298U CN 201220585888 CN201220585888U CN202992298U CN 202992298 U CN202992298 U CN 202992298U CN 201220585888 CN201220585888 CN 201220585888 CN 201220585888 U CN201220585888 U CN 201220585888U CN 202992298 U CN202992298 U CN 202992298U
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- China
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- back pressure
- pressure valve
- adjusting knob
- test system
- check rod
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Abstract
The utility model discloses a back pressure valve. The back pressure valve comprises a valve body, an adjusting knob, a non-return rod and a spring, wherein the valve body comprises an inlet, an outlet and an adjusting port, the inlet is communicated with the outlet, the adjusting port is arranged at the communication position of the inlet and the outlet, the adjusting knob, the non-return rod and the spring are arranged in the adjusting port respectively, one end of the non-return rod is arranged at the communication position of the inlet and the outlet, the other end of the non-return rod is arranged in the adjusting knob, and the spring is arranged between the non-return rod and the adjusting knob. The invention further discloses a test system of the back pressure valve. The back pressure valve has the advantages of being adjustable in back pressure vale, simple in structure, reliable in work, convenient to use and adjust, and capable of accurately regulating pressure values, performing synchronous monitoring, and guaranteeing required back pressure values.
Description
Technical field
The utility model relates to a kind of back pressure valve and test system thereof, is specifically related to the adjustable back pressure valve of a kind of pressure and test system thereof.
Background technique
In prior art, the back pressure value of back pressure valve is generally non-adjustable, and because the back pressure value is non-adjustable, Applicable scope is little, in use, after often needing to calculate the required back pressure value of pipeline, then chooses; Perhaps force value be for can't carry out the back pressure valve of accurate adjustment, due to can't accurate adjustment, can impact normal use of pipeline, affect the operating accuracy of pipeline, and the while can not be carried out synchronization monitoring to back pressure valve.
The model utility content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of back pressure valve and test system thereof, and back pressure value is adjustable, simple in structure, and reliable operation can the accurate adjustment force value, can carry out synchronization monitoring, guarantees required back pressure value; Simultaneously easy to use, regulate quick.
For achieving the above object, the technical solution of the utility model is as follows: a kind of back pressure valve, comprise valve body, adjusting knob, check rod and spring, described valve body comprises entrance, outlet and adjusting mouth, described entrance is communicated with described outlet, the described mouthful connectivity part that is arranged on described entrance and described outlet of regulating; Described adjusting knob, check rod, spring are separately positioned in described adjusting mouth, one end of described check rod arranges the connectivity part of described entrance and described outlet, the other end of described check rod is arranged in described adjusting knob, and described spring is arranged between described check rod and described adjusting knob.
Preferably, an end of described check rod also is provided with seal ring, and described seal ring is O RunddichtringO, V-shaped seal ring or y-type seal ring.
Preferably, be screw connection structure between described adjusting knob and described adjusting mouth.
A kind of test system of back pressure valve, described back pressure valve is back pressure valve described above, described swivel joint comprises the fixing part that is fixedly connected with described drive motor, the working part that is connected with described adjusting knob, described control gear and the electrical connection of described drive motor, one end of described swivel joint is fixedly connected on the output shaft of described drive motor, and the other end of described swivel joint is connected with the adjusting knob of described back pressure valve.
Preferably, described swivel joint comprises the fixing part that is fixedly connected with described drive motor, the working part that is connected with described adjusting knob, described working part is arranged on described fixing part, and described working part moves along described fixing part, and described working part is provided with the pawl type linkage structure that is complementary with described adjusting knob.
Preferably, described swivel joint also comprises Returnning spring, and described Returnning spring is arranged between described working part and described fixing part.
Preferably, described pawl type linkage structure is Three-claw type, cross or six pawl types.
Adopt the beneficial effect of the technical program to be: the back pressure value is adjustable, and is simple in structure, and reliable operation can the accurate adjustment force value, can carry out synchronization monitoring, guarantees required back pressure value; Simultaneously easy to use, regulate quick.
Description of drawings
In order to be illustrated more clearly in the technological scheme in the utility model embodiment technology, the below will do to introduce simply to the accompanying drawing of required use in embodiment's technical description, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is back pressure valve structural representation of the present utility model.
Fig. 2 is test system structure schematic diagram of the present utility model.
Fig. 3 is jointing structural representation of the present utility model.
Numeral and the represented corresponding part title of letter in figure:
1. mouthful 8. seal ring 9. back pressure valve 10. control gear 11. drive motor 12. swivel joint 13. fixing part 14. working part 15. pawl type linkage structure 16. Returnning spring 17. display screen 18. regulating key 19. water pipes are regulated in valve body 2. adjusting knob 3. check rod 4. spring 5. entrance 6. outlets 7..
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, a kind of back pressure valve of the present utility model comprises valve body 1, adjusting knob 2, check rod 3 and spring 4, and valve body 1 comprises entrance 5, outlet 6 and regulate mouthfuls 7, and entrance 5 is communicated with outlet 6, regulates mouthfuls 7 and is arranged on entrance 5 and exports 6 connectivity part; Adjusting knob 2, check rod 3, spring 4 are separately positioned on to be regulated in mouth 7, an end inlet porting 5 of check rod 3 and the connectivity part of outlet 6, and the other end of check rod 3 is arranged in adjusting knob 2, and spring 4 is arranged between check rod 3 and adjusting knob 2.Be screw connection structure between adjusting knob 2 and adjusting mouth 7.
One end of check rod 3 also is provided with seal ring 8, and seal ring 8 can be chosen as O RunddichtringO, V-shaped seal ring or y-type seal ring according to the design needs, and in the present embodiment, seal ring 8 is 0 RunddichtringO.
As shown in Figure 1, adjusting knob 2 coordinates the screw thread of regulating mouth 7 to realize moving up and down in the process of rotation, between adjusting knob 2 and check rod 3 by spring 4 is set, adjusting knob 2 is imposed on the pressure-acting of spring 4 to check rod 3, thereby make back pressure valve produce back pressure pressure, and the size of back pressure pressure will be regulated by the position of adjusting knob 2.
As shown in Figure 2, a kind of test system of back pressure valve, back pressure valve 9 is above-mentioned back pressure valve, test system also comprises control gear 10, drive motor 11, swivel joint 12, control gear 10 is connected with entrance 5 pipelines of back pressure valve 9, connects control gear 10 and drive motor 11 electrical connections by water pipe 19, one end of swivel joint 12 is fixedly connected on the output shaft of drive motor 11, and the other end of swivel joint 12 is connected with the adjusting knob 2 of back pressure valve 9.
As shown in Figure 3, swivel joint 12 comprises the fixing part 13 that is fixedly connected with drive motor 11, the working part 14 that is connected with adjusting knob 2, working part 14 is arranged on fixing part 13, and working part 14 moves along fixing part 13, and working part 14 is provided with the pawl type linkage structure 15 that is complementary with adjusting knob 2.Swivel joint 12 also comprises Returnning spring 16, and Returnning spring 16 is arranged between working part 14 and fixing part 13.Pawl type linkage structure 15 can be chosen as Three-claw type, cross or six pawl types according to the design needs, and in the present embodiment, pawl type linkage structure 15 is cross.
The working part 14 of swivel joint 12 is provided with cross pawl type linkage structure 15, its function be with back pressure valve 9 in adjusting knob 2 phase interlocks.Be provided with a Returnning spring 16 above swivel joint 12, this Returnning spring 16 is in the state of compression always, when adjusting knob 2 moved forward, the pawl type linkage structure 15 that Returnning spring 16 can promote swivel joint 12 also guaranteed forward to closely cooperate with adjusting knob 2 simultaneously.And when adjusting knob 2 moved backward, pawl type linkage structure 15 can be returned by the top, and Returnning spring 16 meetings this moment are compressed, guarantee simultaneously to closely cooperate.
As shown in Figure 2, control gear 10 is controlled drive motor 11, and drive motor 11 can carry out according to the signal that control gear 10 provides the action of forward or counter-rotating.Control gear 10 can be presented at the pressure data of inside water pressure on display screen 17, also is provided with regulating key 18 on control gear 10, is responsible for the setting value of pressure in control set for adjusting 10.
after entering back pressure valve 9 from water pipe 19 after water process control gear 10, hydraulic pressure can produce pressure under the effect of check rod 3, and the size of pressure will show by the display screen 17 on control gear 10, then control system can arrange signal, then issue drive motor 11, and driving drive motor 11 is rotated, this moment, swivel joint 12 meetings were along with drive motor 11 rotates together, thereby the adjusting knob 2 that drives in back pressure valve 9 is rotated, make like this decrement of adjusting knob 2 and 3 springs 4 of check rod change to some extent, thereby realize the adjusting of back pressure valve 9 internal pressures.Pressure is constantly changing, and control gear 10 also can be responded to the variation of this pressure at any time, and when pressure reached the value that will set, drive motor 11 will quit work, and the residing state of back pressure valve 9 this moment is exactly the desired state of user.
Adopt the beneficial effect of the technical program to be: the back pressure value is adjustable, and is simple in structure, and reliable operation can the accurate adjustment force value, can carry out synchronization monitoring, guarantees required back pressure value; Simultaneously easy to use, regulate quick.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a back pressure valve, is characterized in that, comprises valve body, adjusting knob, check rod and spring, and described valve body comprises entrance, outlet and adjusting mouth, and described entrance is communicated with described outlet, the described mouthful connectivity part that is arranged on described entrance and described outlet of regulating; Described adjusting knob, check rod, spring are separately positioned in described adjusting mouth, one end of described check rod arranges the connectivity part of described entrance and described outlet, the other end of described check rod is arranged in described adjusting knob, and described spring is arranged between described check rod and described adjusting knob.
2. a kind of back pressure valve according to claim 1, is characterized in that, an end of described check rod also is provided with seal ring, and described seal ring is O RunddichtringO, V-shaped seal ring or y-type seal ring.
3. a kind of back pressure valve according to claim 2, is characterized in that, is screw connection structure between described adjusting knob and described adjusting mouth.
4. the test system of a back pressure valve, it is characterized in that, described back pressure valve is back pressure valve claimed in claim 1, described test system also comprises control gear, drive motor, swivel joint, described control gear is connected with the entrance pipe of described back pressure valve, described control gear and the electrical connection of described drive motor, an end of described swivel joint is fixedly connected on the output shaft of described drive motor, and the other end of described swivel joint is connected with the adjusting knob of described back pressure valve.
5. the test system of a kind of back pressure valve according to claim 4, it is characterized in that, described swivel joint comprises the fixing part that is fixedly connected with described drive motor, the working part that is connected with described adjusting knob, described working part is arranged on described fixing part, and described working part moves along described fixing part, and described working part is provided with the pawl type linkage structure that is complementary with described adjusting knob.
6. the test system of a kind of back pressure valve according to claim 5, is characterized in that, described swivel joint also comprises Returnning spring, and described Returnning spring is arranged between described working part and described fixing part.
7. the test system of according to claim 5 or 6 described a kind of back pressure valves, is characterized in that, described pawl type linkage structure is Three-claw type, cross or six pawl types.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220585888 CN202992298U (en) | 2012-11-08 | 2012-11-08 | Back pressure valve and test system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220585888 CN202992298U (en) | 2012-11-08 | 2012-11-08 | Back pressure valve and test system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202992298U true CN202992298U (en) | 2013-06-12 |
Family
ID=48563478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220585888 Withdrawn - After Issue CN202992298U (en) | 2012-11-08 | 2012-11-08 | Back pressure valve and test system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202992298U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807473A (en) * | 2012-11-08 | 2014-05-21 | 苏州工业园区咖乐美电器有限公司 | Backpressure valve |
| CN114791050A (en) * | 2022-04-21 | 2022-07-26 | 欧世盛（北京）科技有限公司 | Automatic back pressure valve and fluid metering and adding system |
-
2012
- 2012-11-08 CN CN 201220585888 patent/CN202992298U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807473A (en) * | 2012-11-08 | 2014-05-21 | 苏州工业园区咖乐美电器有限公司 | Backpressure valve |
| CN103807473B (en) * | 2012-11-08 | 2017-09-26 | 苏州工业园区咖乐美电器有限公司 | A kind of test system of counterbalance valve |
| CN114791050A (en) * | 2022-04-21 | 2022-07-26 | 欧世盛（北京）科技有限公司 | Automatic back pressure valve and fluid metering and adding system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130612 Effective date of abandoning: 20170926 |