CN217583396U - Novel high leakproofness resistance to compression governing valve - Google Patents
Novel high leakproofness resistance to compression governing valve Download PDFInfo
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- CN217583396U CN217583396U CN202220998472.0U CN202220998472U CN217583396U CN 217583396 U CN217583396 U CN 217583396U CN 202220998472 U CN202220998472 U CN 202220998472U CN 217583396 U CN217583396 U CN 217583396U
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Abstract
The utility model discloses a novel high leakproofness resistance to compression governing valve relates to governing valve technical field, to the problem that the sealed effect of current governing valve is not good, now proposes following scheme, and it includes the valve body, the equal fixedly connected with connecting pipe in both sides of valve body, the intercommunication has the passageway between valve body and the connecting pipe, the inboard vertical direction sliding connection of valve body has the valve rod, the lower extreme fixedly connected with and the passageway complex case of valve rod, the inboard ring channel with valve rod downside complex has been seted up to the valve body, the inboard sliding connection of ring channel has the sealing ring that cup joints with the valve rod outside slip, the utility model discloses simple structure can be so that the contact between valve rod and the valve body is airtight more for the sealed effect of governing valve is better, can make the governing valve use in highly compressed environment, easy operation, convenient to use.
Description
Technical Field
The utility model relates to a governing valve technical field especially relates to a novel high leakproofness resistance to compression governing valve.
Background
The regulating valve is also called a control valve, and in the field of industrial automation process control, the final control element for changing the process parameters of medium flow, pressure, temperature, liquid level and the like by power operation through receiving the control signal output by the regulating control unit.
The inboard valve rod of governing valve is slideing from top to bottom, and in the time of the control flow size, make the inboard fluid of valve body flow through the gap between valve rod and the valve body easily, and then make the sealed effect of governing valve not good, so need a novel high leakproofness resistance to compression governing valve now.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of novel high leakproofness resistance to compression governing valve has solved the problem that the sealed effect of governing valve is not good.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a novel high leakproofness resistance to compression governing valve, includes the valve body, the equal fixedly connected with connecting pipe in both sides of valve body, the intercommunication has the passageway between valve body and the connecting pipe, the inboard vertical direction sliding connection of valve body has the valve rod, the lower extreme fixedly connected with and the passageway complex case of valve rod, the inboard of valve body seted up with valve rod downside complex ring channel, the inboard sliding connection of ring channel has the sealing ring that slides and cup joints with the valve rod outside, the reset spring in the valve rod outside is established to the upside fixedly connected with cover of sealing ring, reset spring's upper end and the upper wall fixed connection of ring channel, the upper end intercommunication of ring channel has the branch pipe, the upper end intercommunication of branch pipe has the pressure chamber, the inboard of pressure chamber is provided with the second sealing washer of establishing in the valve rod outside, the upper end of valve rod is provided with actuating mechanism, the inboard of valve body is provided with secondary seal mechanism.
Preferably, actuating mechanism includes the protective housing of being connected with valve body outside upper surface fixed, the inboard fixedly connected with pneumatic cylinder of protective housing, the output and the valve rod fixed connection of pneumatic cylinder.
Preferably, the second sealing mechanism is including seting up at the inboard groove that compresses tightly of valve body, the inboard sliding connection who compresses tightly the groove has with valve rod complex first sealing washer, a plurality of pressure spring that are located the inboard of pressing groove of the outside fixedly connected with of first sealing washer, it is a plurality of the equal fixedly connected with of one end of pressure spring and the slide that compresses tightly groove sliding connection, it is a plurality of one side of slide all rotates the threaded rod that is connected with valve body threaded connection.
Preferably, the outside fixedly connected with of valve body and threaded rod threaded connection's thread bush, it is a plurality of the equal fixedly connected with of one end of threaded rod is located the hand wheel in the valve body outside.
Preferably, the inner side of the valve body is provided with a sealing groove positioned at the bottom of the channel, and the inner side of the sealing groove is fixedly connected with a rubber gasket matched with the valve core.
Preferably, the valve core is a cone, and the sealing groove is a conical groove.
The utility model has the advantages that:
1. the high-pressure liquid through the passageway inboard enters into the downside of ring channel, and then press the sealing ring and move up, make the air of ring channel upside pass through the branch pipe and impress the inboard of pressure chamber, and then make the inboard second sealing washer of pressure chamber compress tightly in the outside of valve rod, make the valve rod when gliding from top to bottom, make the second sealing washer compress tightly the outside at the valve rod all the time, prevent that the valve rod is in gliding, make highly compressed liquid flow through the gap, improve the sealed effect of governing valve, and through reset spring, can prevent that high-pressure liquid from pressing to move the sealing ring and shift up the position too big, prevent that the overloaded compressing tightly of second sealing washer in the outside of valve rod, prevent that the valve rod from sliding unsmoothly, make the valve rod damage, can also make the valve body damage too big.
2. Through rotating the threaded rod, just can the slide drive compression spring slide, make the first sealing washer of the compression spring other end compress tightly in the outside of valve body, can play the second floor sealed, improve the sealed effect of governing valve, through setting up case and seal groove into conical structure, can improve area of contact, and then improve sealed effect, and set up rubber gasket in the inboard of seal groove, can make the case compress tightly the inboard at the seal groove, improve sealed effect, make the governing valve also can use in the middle of highly compressed environment.
Drawings
Fig. 1 is a schematic cross-sectional view of a novel high-sealing pressure-resistant regulating valve provided by the present invention;
fig. 2 is a schematic partial sectional view of a novel high-sealing pressure-resistant regulating valve provided by the present invention;
fig. 3 is the enlarged schematic view of a position a of the novel high-sealing pressure-resistant regulating valve provided by the utility model.
Reference numbers in the figures: 1. a valve body; 2. a valve core; 3. a sealing groove; 4. a threaded rod; 5. a slide plate; 6. a compression spring; 7. a first seal ring; 8. a valve stem; 9. a pneumatic cylinder; 10. a protective box; 11. a hand wheel; 12. a connecting pipe; 13. a channel; 14. a threaded sleeve; 15. a second seal ring; 16. a pressure chamber; 17. a branch pipe; 18. a return spring; 19. a seal ring; 20. an annular groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a novel high-sealing pressure-resistant regulating valve comprises a valve body 1, connecting pipes 12 are fixedly connected to both sides of the valve body 1, a passage 13 is communicated between the valve body 1 and the connecting pipes 12, a valve rod 8 is slidably connected to the inner side of the valve body 1 in the vertical direction, a valve core 2 matched with the passage 13 is fixedly connected to the lower end of the valve rod 8, an annular groove 20 matched with the lower side of the valve rod 8 is formed in the inner side of the valve body 1, a sealing ring 19 slidably sleeved with the outer side of the valve rod 8 is slidably connected to the inner side of the annular groove 20, a return spring 18 sleeved on the outer side of the valve rod 8 is fixedly connected to the upper side of the sealing ring 19, the upper end of the return spring 18 is fixedly connected to the upper wall of the annular groove 20, a branch pipe 17 is communicated to the upper end of the annular groove 20, a pressure chamber 16 is communicated to the upper end of the branch pipe 17, a second sealing ring 15 sleeved on the outer side of the valve rod 8 is arranged on the inner side of the branch pipe 16, the upper end of the valve rod 8 is provided with a driving mechanism, the inner side of the valve body 1 is provided with a secondary sealing mechanism, high-pressure liquid inside the channel 13 enters the lower side of the annular groove 20 and further presses the sealing ring 19 to move upwards, so that air on the upper side of the annular groove 20 is pressed into the inner side of the pressure cavity 16 through the branch pipe 17, and further the second sealing ring 15 inside the pressure cavity 16 is tightly pressed on the outer side of the valve rod 8, so that when the valve rod 8 slides up and down, the second sealing ring 15 is always tightly pressed on the outer side of the valve rod 8, the valve rod 8 is prevented from sliding, high-pressure liquid flows out through a gap, the sealing effect of the regulating valve is improved, the reset spring 18 is used for preventing the high-pressure liquid from pressing the sealing ring 19 to move upwards to be overlarge, the second sealing ring 15 is prevented from being pressed on the outer side of the valve rod 8 in an overload manner, the valve rod 8 is prevented from sliding unsmoothly, and the valve rod 8 is damaged, it makes valve body 1 damage to also can be too big to press, through rotating threaded rod 4, just can make slide 5 drive pressure spring 6 and slide, make first sealing washer 7 of the pressure spring 6 other end compress tightly in the outside of valve body 8, can play the second floor sealed, improve the sealed effect of governing valve, through setting up case 2 and seal groove 3 into conical structure, can improve area of contact, and then improve sealed effect, and set up the rubber gasket in the inboard of seal groove 3, can make case 2 compress tightly the inboard at seal groove 3, improve sealed effect, make the governing valve also can use in the middle of the highly compressed environment.
Actuating mechanism includes the protective housing 10 with 1 outside upper surface fixed connection of valve body, and the inboard fixedly connected with pneumatic cylinder 9 of protective housing 10, the output and the valve rod 8 fixed connection of pneumatic cylinder 9.
The second sealing mechanism is including seting up at the inboard groove that compresses tightly of valve body 1, and the inboard sliding connection that compresses tightly the groove has and the first sealing washer 7 of 8 complex of valve rod, and a plurality of pressure spring 6 that are located the inslot side of compressing tightly of the outside fixedly connected with of first sealing washer 7, the equal fixedly connected with of one end of a plurality of pressure spring 6 and the slide 5 that compresses tightly groove sliding connection, one side of a plurality of slides 5 all rotates threaded rod 4 that is connected with 1 threaded connection of valve body.
The outer side of the valve body 1 is fixedly connected with a threaded sleeve 14 in threaded connection with the threaded rods 4, and one end of each of the threaded rods 4 is fixedly connected with a hand wheel 11 positioned on the outer side of the valve body 1.
The inboard of valve body 1 is seted up and is located the seal groove 3 of passageway 13 bottom, and the inboard fixedly connected with of seal groove 3 and case 2 complex rubber gasket.
The valve core 2 adopts a cone, and the sealing groove 3 adopts a conical groove.
The working principle is as follows: the high-pressure liquid inside the channel 13 enters the lower side of the annular groove 20, and further presses the sealing ring 19 to move upwards, so that the air on the upper side of the annular groove 20 is pressed into the inner side of the pressure cavity 16 through the branch pipe 17, and further the second sealing ring 15 inside the pressure cavity 16 is pressed on the outer side of the valve rod 8, and when the valve rod 8 slides up and down, the second sealing ring 15 is always pressed on the outer side of the valve rod 8, and the valve rod 8 is prevented from sliding, so that the high-pressure liquid flows out through a gap, the sealing effect of the regulating valve is improved, and through the return spring 18, the high-pressure liquid is prevented from pressing the sealing ring 19 to move upwards, so that the second sealing ring 15 is prevented from being overloaded and pressed on the outer side of the valve rod 8, the valve rod 8 is prevented from sliding unsmoothly, so that the valve rod 8 is damaged, and the valve body 1 can be damaged due to overlarge pressure, by rotating the threaded rod 4, the sliding plate 5 can drive the pressing spring 6 to slide, so that the first sealing ring 7 at the other end of the pressing spring 6 is pressed on the outer side of the valve body 8, the second sealing effect can be improved, and the sealing effect of the regulating valve can be improved, and the sealing groove can be arranged in the middle of the sealing groove 3, and the sealing groove of the sealing groove 2, and the sealing groove 3, and the sealing groove can be improved by using rubber gasket, and the sealing groove 3, and the sealing groove can be arranged in the sealing groove, and the sealing groove can be improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a novel high leakproofness resistance to compression governing valve, includes valve body (1), its characterized in that, the equal fixedly connected with connecting pipe (12) in both sides of valve body (1), the intercommunication has passageway (13) between valve body (1) and connecting pipe (12), the inboard vertical direction sliding connection of valve body (1) has valve rod (8), the lower extreme fixedly connected with and passageway (13) complex case (2) of valve rod (8), set up with valve rod (8) downside complex ring channel (20) in the inboard of valve body (1), the inboard sliding connection of ring channel (20) has sealing ring (19) that cup joints with valve rod (8) outside slip, reset spring (18) in the valve rod (8) outside are established to the upside fixedly connected with cover of sealing ring (19), the upper end of reset spring (18) and the upper wall fixed connection of ring channel (20), the upper end intercommunication of ring channel (20) has branch pipe (17), the upper end intercommunication of branch pipe (17) has pressure chamber (16), the inboard of pressure chamber (16) is provided with the cover and establishes second sealing washer (15) in the valve rod (8) outside, the valve body (1) is provided with secondary sealing mechanism.
2. The novel high-tightness pressure-resistant regulating valve according to claim 1, wherein the driving mechanism comprises a protective box (10) fixedly connected with the upper surface of the outer side of the valve body (1), a pneumatic cylinder (9) is fixedly connected with the inner side of the protective box (10), and the output end of the pneumatic cylinder (9) is fixedly connected with the valve rod (8).
3. The novel high-sealing pressure-resistant regulating valve is characterized in that the second sealing mechanism comprises a pressing groove formed in the inner side of the valve body (1), a first sealing ring (7) matched with the valve rod (8) is slidably connected to the inner side of the pressing groove, a plurality of pressing springs (6) located in the inner side of the pressing groove are fixedly connected to the outer side of the first sealing ring (7), a sliding plate (5) slidably connected with the pressing groove is fixedly connected to one end of each pressing spring (6), and a threaded rod (4) in threaded connection with the valve body (1) is rotatably connected to one side of each sliding plate (5).
4. A novel high-sealing pressure-resistant regulating valve according to claim 3, characterized in that a threaded sleeve (14) in threaded connection with the threaded rod (4) is fixedly connected to the outer side of the valve body (1), and a hand wheel (11) located on the outer side of the valve body (1) is fixedly connected to one end of each of the plurality of threaded rods (4).
5. The novel high-sealing pressure-resistant regulating valve according to claim 1, wherein a sealing groove (3) located at the bottom of the channel (13) is formed in the inner side of the valve body (1), and a rubber gasket matched with the valve core (2) is fixedly connected to the inner side of the sealing groove (3).
6. The novel high-sealing pressure-resistant regulating valve according to claim 5, characterized in that the valve core (2) is a cone, and the sealing groove (3) is a conical groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220998472.0U CN217583396U (en) | 2022-04-27 | 2022-04-27 | Novel high leakproofness resistance to compression governing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220998472.0U CN217583396U (en) | 2022-04-27 | 2022-04-27 | Novel high leakproofness resistance to compression governing valve |
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| Publication Number | Publication Date |
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| CN217583396U true CN217583396U (en) | 2022-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220998472.0U Active CN217583396U (en) | 2022-04-27 | 2022-04-27 | Novel high leakproofness resistance to compression governing valve |
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| CN (1) | CN217583396U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115507081A (en) * | 2022-11-04 | 2022-12-23 | 烟台中宇航空液压有限公司 | Hydraulic valve |
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2022
- 2022-04-27 CN CN202220998472.0U patent/CN217583396U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115507081A (en) * | 2022-11-04 | 2022-12-23 | 烟台中宇航空液压有限公司 | Hydraulic valve |
| CN115507081B (en) * | 2022-11-04 | 2023-02-17 | 烟台中宇航空液压有限公司 | Hydraulic valve |
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