CN214662313U - Structure capable of improving closing performance of voltage regulator - Google Patents
Structure capable of improving closing performance of voltage regulator Download PDFInfo
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- CN214662313U CN214662313U CN202120577589.7U CN202120577589U CN214662313U CN 214662313 U CN214662313 U CN 214662313U CN 202120577589 U CN202120577589 U CN 202120577589U CN 214662313 U CN214662313 U CN 214662313U
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Abstract
The utility model discloses a can improve structure of voltage regulator closing performance, including the voltage regulator body, the voltage regulator body includes valve body, disk seat, case, valve rod, reset spring and membrane subassembly, be provided with control chamber, valve pocket, high pressure channel and low pressure passageway in the valve body, high pressure channel all links to each other with the valve pocket with the low pressure passageway, case and disk seat all set up in the valve pocket and match each other. The utility model discloses an add one in the case bottom and close auxiliary spring, when the voltage regulator is in zero flow, the elasticity that utilizes to close auxiliary spring can make lower part valve pad hold in the palm and hug closely in the disk seat bottom to can make and seal completely between high-pressure channel and the low pressure passageway, make the voltage regulator closing performance more stable.
Description
Technical Field
The utility model relates to a voltage regulator technical field, in particular to can improve structure of voltage regulator closing performance.
Background
The closing performance of the pressure regulator is to reflect the change situation of the outlet pressure of the pressure regulator when the pressure regulator is at zero flow, and the ideal state of the pressure regulator is that the outlet pressure is increased to zero, but the closing pressure of the pressure regulator cannot keep zero increase due to the influence of the structure, the material, the precision, the assembly and the like of the pressure regulator.
Therefore, it is necessary to provide a structure capable of improving the turn-off performance of the voltage regulator to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can improve the structure of voltage regulator closing performance, can improve the closing performance of voltage regulator to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a structure capable of improving the closing performance of a pressure regulator comprises a pressure regulator body, wherein the pressure regulator body comprises a valve body, a valve seat, a valve core, a valve rod, a reset spring and a membrane assembly, a control cavity, a valve cavity, a high-pressure passage and a low-pressure passage are arranged in the valve body, the high-pressure passage and the low-pressure passage are both connected with the valve cavity, the valve core and the valve seat are both arranged in the valve cavity and are matched with each other, the membrane assembly is arranged in the control cavity and divides the control cavity into an upper cavity and a lower cavity, two ends of the valve rod are respectively connected with the membrane assembly and the valve core, the reset spring is arranged on the valve rod, the reset spring is arranged in the upper cavity, the bottom end of the reset spring is fixedly connected with the top end of the membrane assembly, the valve core comprises an upper valve pad support, a lower valve pad support and a connecting rod, the upper valve pad support and the lower valve pad support are fixedly connected through the connecting rod, the high-pressure passage is an air inlet, the low-pressure passage is an air outlet, the surface of the low-pressure passage is communicated with a pressure-taking pipe, one end of the pressure-taking pipe is communicated with the lower cavity, the bottom end of the low-pressure passage is provided with a placing groove, a bottom plate is fixedly arranged in the placing groove in a sealing mode, the top end of the bottom plate is fixedly provided with a closing auxiliary spring, and the top end of the closing auxiliary spring is fixedly connected with the bottom end of the lower valve pad support.
Preferably, a piston is movably arranged in the upper cavity, and the top end of the piston is rotatably connected with an adjusting rod.
Preferably, the adjusting rod is in threaded connection with the upper cavity.
Preferably, the valve pad is sleeved on one side of the upper valve pad support, which corresponds to the valve seat, of the lower valve pad support.
Preferably, the surface of the valve rod is provided with a cutting mechanism, the cutting mechanism comprises a balance block, a spring and a telescopic sleeve, the balance block is fixedly arranged on the valve body, the valve rod penetrates through the valve body, the telescopic sleeve is sleeved on the surface of the valve rod, the top end of the telescopic sleeve is fixedly connected with the balance block, and the bottom end of the telescopic sleeve is fixedly connected with the top end of the valve core.
Preferably, the spring is sleeved on the surface of the telescopic sleeve, the top end of the spring is fixedly connected with the balance block, and the bottom end of the spring is fixedly connected with the top end of the valve core.
Preferably, the cutting mechanism is externally connected with a controller, and the controller controls the telescopic sleeve to stretch.
The utility model discloses a technological effect and advantage: the utility model discloses simple structure, convenient to use through adding one in the case bottom and closing auxiliary spring, when the voltage regulator is in zero flow, utilizes the elasticity of closing auxiliary spring to make lower part valve pad hold in the palm and hug closely in the disk seat bottom to can make and seal completely between high-pressure channel and the low pressure passageway, make the voltage regulator closing performance more stable.
Drawings
Fig. 1 is a schematic view of the overall front view section of the present invention.
Fig. 2 is the overall structure schematic diagram of the valve core of the present invention.
In the figure: 1 valve body, 2 valve seats, 3 valve cores, 311 upper valve pad support, 312 lower valve pad support, 313 connecting rods, 4 valve rods, 5 return springs, 6 film components, 7 high-pressure channels, 8 low-pressure channels, 9 upper cavities, 10 lower cavities, 11 pressure tapping pipes, 12 bottom plates, 13 closing auxiliary springs, 14 valve pads, 15 balance blocks and 16 telescopic sleeves.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a structure capable of improving the closing performance of a pressure regulator as shown in figures 1-2, which comprises a pressure regulator body, wherein the pressure regulator body comprises a valve body 1, a valve seat 2, a valve core 3, a valve rod 4, a reset spring 5 and a membrane component 6, a control cavity, a valve cavity, a high-pressure channel 7 and a low-pressure channel 8 are arranged in the valve body 1, the high-pressure channel 7 and the low-pressure channel 8 are connected with the valve cavity, the valve core 3 and the valve seat 2 are arranged in the valve cavity and are matched with each other, the membrane component 6 is arranged in the control cavity and divides the control cavity into an upper cavity 9 and a lower cavity 10, two ends of the valve rod 4 are respectively connected with the membrane component 6 and the valve core 3, the reset spring 5 is arranged on the valve rod 4, the reset spring 5 is arranged in the upper cavity 9, and the bottom end is fixedly connected with the top end of the membrane component 6, the valve core 3 comprises an upper valve pad support 311, a lower valve pad support 312 and a connecting rod 313, the upper valve pad support 311 is fixedly connected with the lower valve pad support 312 through the connecting rod 313, the high-pressure channel 7 is an air inlet, the low-pressure channel 8 is an air outlet, the surface of the low-pressure channel 8 is communicated with a pressure tapping pipe 11, one end of the pressure tapping pipe 11 is communicated with a lower cavity 10, the pressure in the lower cavity 10 is the same as the pressure value in the low-pressure channel 8, when the pressure in the low-pressure channel 8 is reduced, the elastic force of the return spring 5 pushes the membrane component 6 to move downwards so as to drive the valve rod 4 to move downwards, the gap between the valve core 3 and the valve seat 2 is enlarged by the valve rod 4, so that more gas in the high-pressure channel 7 enters the low-pressure channel 8, the pressure in the low-pressure channel 8 can be maintained to be stable, the bottom end of the low-pressure channel 8 is provided with a placing groove, the standing groove internal seal is fixed and is provided with bottom plate 12, the fixed closing auxiliary spring 13 that is provided with in 12 tops of bottom plate, close 13 tops of auxiliary spring and hold in the palm 312 bottom fixed connection with lower part valve pad, when the voltage regulator is in zero flow, utilize the elasticity of closing auxiliary spring 13 to make lower part valve pad support 312 hug closely in 2 bottoms of disk seat to can make and completely seal between high pressure channel 7 and the low pressure passageway 8, make the voltage regulator closing performance more stable.
Further, in the above technical solution, a piston is movably disposed inside the upper cavity 9, and the top end of the piston is rotatably connected with an adjusting rod;
further, in the above technical solution, the adjusting rod is in threaded connection with the upper cavity 9;
further, in the above technical solution, the valve pad 14 is sleeved on both sides of the upper valve pad support 311 and the lower valve pad support 312 corresponding to the valve seat 2;
further, in the above technical solution, a cutting mechanism is arranged on the surface of the valve rod 4, the cutting mechanism includes a balance weight 15, a spring and a telescopic sleeve 16, the balance weight 15 is fixedly arranged on the valve body 1, the valve rod 4 is arranged by penetrating through the valve body 1, the telescopic sleeve 16 is sleeved on the surface of the valve rod 4, the top end of the telescopic sleeve is fixedly connected with the balance weight 15, and the bottom end of the telescopic sleeve is fixedly connected with the top end of the valve core 3;
further, in the above technical solution, the spring is sleeved on the surface of the telescopic tube 16, and the top end of the spring is fixedly connected with the balance weight 15, and the bottom end of the spring is fixedly connected with the top end of the valve core 3.
Further, in the above technical scheme, the cutting mechanism is externally connected with a controller, the controller controls the telescopic sleeve 16 to stretch, and the cutting mechanism is arranged, so that in an emergency, the controller controls the telescopic sleeve 16 to extend to the longest state, and drives the upper valve pad holder 311 to cling to the top end of the valve seat 2, so that the gas in the high-pressure channel 7 cannot enter the low-pressure channel 8, and the danger is reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The utility model provides a can improve structure of voltage regulator closing performance, includes the voltage regulator body, the voltage regulator body includes valve body (1), disk seat (2), case (3), valve rod (4), reset spring (5) and membrane module (6), be provided with control chamber, valve pocket, high-pressure passage (7) and low-pressure passageway (8) in valve body (1), high-pressure passage (7) all link to each other with the valve pocket with low-pressure passageway (8), case (3) and disk seat (2) all set up in the valve pocket and match each other, membrane module (6) set up in the control chamber and separate into upper portion cavity (9) and lower part cavity (10) two parts with the control chamber, the both ends of valve rod (4) link to each other with membrane module (6) and case (3) respectively, be provided with reset spring (5) on valve rod (4), reset spring (5) set up in upper portion cavity (9), and the bottom and the top fixed connection of film assembly (6), its characterized in that: the valve core (3) comprises an upper valve pad support (311), a lower valve pad support (312) and a connecting rod (313), the upper valve pad support (311) and the lower valve pad support (312) are fixedly connected through the connecting rod (313), the high-pressure channel (7) is an air inlet, the low-pressure channel (8) is an air outlet, the surface of the low-pressure channel (8) is communicated with a pressure taking tube (11), one end of the pressure taking tube (11) is communicated with the lower cavity (10), a placing groove is formed in the bottom end of the low-pressure channel (8), a bottom plate (12) is fixedly arranged in the placing groove in a sealing mode, a closing auxiliary spring (13) is fixedly arranged at the top end of the bottom plate (12), and the top end of the closing auxiliary spring (13) is fixedly connected with the bottom end of the lower valve pad support (312).
2. A structure capable of improving a turn-off performance of a voltage regulator according to claim 1, wherein: a piston is movably arranged in the upper cavity (9), and the top end of the piston is rotatably connected with an adjusting rod.
3. A structure capable of improving a turn-off performance of a voltage regulator according to claim 2, wherein: the adjusting rod is in threaded connection with the upper cavity (9).
4. A structure capable of improving a turn-off performance of a voltage regulator according to claim 1, wherein: and valve pads (14) are sleeved on the corresponding sides of the upper valve pad support (311) and the lower valve pad support (312) and the valve seat (2).
5. A structure capable of improving a turn-off performance of a voltage regulator according to claim 1, wherein: the surface of the valve rod (4) is provided with a cutting mechanism, the cutting mechanism comprises a balance block (15), a spring and a telescopic sleeve (16), the balance block (15) is fixedly arranged on the valve body (1), the valve rod (4) penetrates through the valve body (1), the telescopic sleeve (16) is sleeved on the surface of the valve rod (4), the top end of the telescopic sleeve is fixedly connected with the balance block (15), and the bottom end of the telescopic sleeve is fixedly connected with the top end of the valve core (3).
6. A structure capable of improving a turn-off performance of a voltage regulator according to claim 5, wherein: the spring is sleeved on the surface of the telescopic sleeve (16), the top end of the spring is fixedly connected with the balance block (15), and the bottom end of the spring is fixedly connected with the top end of the valve core (3).
7. A structure capable of improving a turn-off performance of a voltage regulator according to claim 5, wherein: the cutting mechanism is externally connected with a controller, and the controller controls the telescopic sleeve (16) to stretch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120577589.7U CN214662313U (en) | 2021-03-22 | 2021-03-22 | Structure capable of improving closing performance of voltage regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120577589.7U CN214662313U (en) | 2021-03-22 | 2021-03-22 | Structure capable of improving closing performance of voltage regulator |
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| Publication Number | Publication Date |
|---|---|
| CN214662313U true CN214662313U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120577589.7U Active CN214662313U (en) | 2021-03-22 | 2021-03-22 | Structure capable of improving closing performance of voltage regulator |
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| Country | Link |
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| CN (1) | CN214662313U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114588566A (en) * | 2022-01-20 | 2022-06-07 | 抚顺华腾防护装备制造有限公司 | Positive pressure oxygen respirator pressure differential regulation and control type automatic oxygen supply device |
-
2021
- 2021-03-22 CN CN202120577589.7U patent/CN214662313U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114588566A (en) * | 2022-01-20 | 2022-06-07 | 抚顺华腾防护装备制造有限公司 | Positive pressure oxygen respirator pressure differential regulation and control type automatic oxygen supply device |
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