CN111442095A - Pressure regulating structure for pressure regulating valve - Google Patents
Pressure regulating structure for pressure regulating valve Download PDFInfo
- Publication number
- CN111442095A CN111442095A CN202010385098.2A CN202010385098A CN111442095A CN 111442095 A CN111442095 A CN 111442095A CN 202010385098 A CN202010385098 A CN 202010385098A CN 111442095 A CN111442095 A CN 111442095A
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- CN
- China
- Prior art keywords
- pressure regulating
- regulating valve
- ring
- valve shell
- sealing
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0254—Construction of housing; Use of materials therefor of lift valves with conical shaped valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
- F16K31/508—Mechanical actuating means with screw-spindle or internally threaded actuating means the actuating element being rotatable, non-rising, and driving a non-rotatable axially-sliding element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/04—Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses a pressure regulating structure for a pressure regulating valve, which comprises a pressure regulating valve shell, wherein the bottoms of two sides of the pressure regulating valve shell are respectively provided with a communicating interface, the two communicating interfaces are respectively communicated with the inside of the pressure regulating valve shell, a partition plate is arranged inside the pressure regulating valve shell, and the periphery of the partition plate is fixedly connected with the inner wall of the pressure regulating valve shell; the anti-leakage ring at the top and the transmission rod can only rotate through the limit of the transmission ring, so that the transmission rod and the handle are prevented from moving up and down to bring the fluid out of the pressure regulating valve; the connecting insertion pipe is in threaded connection with the communicating interface, the tighter the screwing, the firmer the fitting of the sealing ring on the connecting insertion pipe, and the better the sealing performance; the transmission rod and the pressure regulating valve are internally provided with double protection of a leakage-proof sleeve and a leakage-proof ring, so that fluid is prevented from leaking from the connection part of the transmission rod.
Description
Technical Field
The invention belongs to the technical field of valve structures, and particularly relates to a pressure regulating structure for a pressure regulating valve.
Background
The pressure regulating valve is also called as pressure regulating valve, and is a visual and simple flow regulating control device, and changes the network regulating work into simple flow distribution, and can effectively solve the hydraulic imbalance of the pipe network.
Among the prior art, the pressure regulating structure of traditional air-vent valve most all utilizes drive mechanism to extrude the sealing member in circulation department, and for sealed firm, often need press the sealing member comparatively inseparably for comparatively troublesome and be used for the easy smooth silk of the tension of driven threaded rod screw up when opening, influence the life of air-vent valve, and the threaded rod leakproofness behind the smooth silk descends, phenomenons such as easy emergence leakage, in order to improve the life of air-vent valve, the sealed effect of reinforcing, a pressure regulating structure is proposed.
Disclosure of Invention
The invention aims to solve the problems and provide a pressure regulating structure for a pressure regulating valve, wherein a trapezoidal sealing insert block is arranged at the bottom of a sealing plate, the sealing effect between two sides of a valve is increased after the sealing insert block is inserted into a through hole, and fluid can be ensured not to flow when the valve is completely cut off, so that the sealing effect is increased; the anti-leakage ring at the top and the transmission rod can only rotate through the limit of the transmission ring, so that the transmission rod and the handle are prevented from moving up and down to bring the fluid out of the pressure regulating valve; the connecting insertion pipe is in threaded connection with the communicating interface, the tighter the screwing, the firmer the fitting of the sealing ring on the connecting insertion pipe, and the better the sealing performance; the transmission rod and the pressure regulating valve are internally provided with double protection of a leakage-proof sleeve and a leakage-proof ring, so that fluid is prevented from leaking from the connection part of the transmission rod.
In order to solve the problems, the invention provides a technical scheme of a pressure regulating structure for a pressure regulating valve, which comprises the following steps:
A pressure regulating structure for a pressure regulating valve comprises a pressure regulating valve shell, wherein communication interfaces are arranged at the bottoms of two sides of the pressure regulating valve shell, the two communication interfaces are communicated with the inside of the pressure regulating valve shell, a partition plate is arranged inside the pressure regulating valve shell, the periphery of the partition plate is fixedly connected with the inner wall of the pressure regulating valve shell, a through hole is formed in the middle of the partition plate, a sealing plate is arranged right above the through hole, a sealing insert block is fixedly connected to the bottom of the sealing plate at a position corresponding to the through hole, a first sealing ring is sleeved at the top of the sealing insert block, the inner ring of the first sealing ring is equal in size to the top of the through hole, a transmission ring is arranged above the sealing plate, a plurality of connecting rods are fixedly connected to the periphery of the transmission ring at equal intervals, the bottoms of the connecting rods, the bottom fixedly connected with limiting plate of threaded rod, the length of limiting plate is greater than the diameter of threaded rod.
According to a preferable technical scheme of the invention, an anti-leakage ring is fixedly connected to the middle of the top end of the pressure regulating valve shell and located right above the threaded rod, a transmission rod is rotatably connected to the inside of the anti-leakage ring, a limiting groove is formed in the middle of the anti-leakage ring, a sliding ring is rotatably connected to the inside of the limiting groove, a second sealing ring is sleeved on the outer wall of the sliding ring, the sliding ring is fixedly connected with the outer wall of the transmission rod, and a handle is fixedly connected to one end, located outside the pressure regulating valve shell, of the transmission rod.
According to a preferable technical scheme, the bottoms of the two ends of the sealing plate are fixedly connected with springs, the bottoms of the two springs are fixedly connected with the partition plate, a first sliding rod is inserted into each spring, the top of the first sliding rod is fixedly connected with the bottom of the sealing plate, a second sliding rod is arranged at the bottom of the first sliding rod, the top of the second sliding rod is slidably connected with the bottom of the first sliding rod, and the bottom of the second sliding rod is fixedly connected with the top of the partition plate.
According to a preferable technical scheme of the invention, an anti-leakage sleeve is arranged in the middle of the top end of the inner wall of the pressure regulating valve shell and is positioned right below the anti-leakage ring, the top of the anti-leakage sleeve is fixedly connected with the inner wall of the pressure regulating valve shell, and the top of the threaded rod is rotatably connected with the anti-leakage sleeve.
As a preferable technical scheme of the invention, the inner walls of the two communication interfaces far away from one end of the pressure regulating valve shell are fixedly connected with threaded sleeves, and one end of each communication interface far away from the pressure regulating valve shell is connected with a connecting insertion pipe.
As a preferred technical scheme of the invention, the outer wall of one end, close to the communication interface, of the connecting insertion pipe is in threaded connection with the inner wall of the threaded sleeve, and a third sealing ring is sleeved in the middle of the connecting insertion pipe.
As a preferred technical scheme of the invention, the sealing insertion block is of a structure with a large upper part and a small lower part, the bottom of the sealing insertion block is smaller than the through hole, and the top of the sealing insertion block is larger than the through hole.
The invention has the beneficial effects that: according to the invention, the trapezoidal sealing insert block is arranged at the bottom of the sealing plate, so that the sealing effect between two sides of the valve is increased after the sealing insert block is inserted into the through hole, the fluid can be ensured not to circulate when the valve is completely cut off, and the sealing effect is increased; the anti-leakage ring at the top and the transmission rod can only rotate through the limit of the transmission ring, so that the transmission rod and the handle are prevented from moving up and down to bring the fluid out of the pressure regulating valve; the connecting insertion pipe is in threaded connection with the communicating interface, the tighter the screwing, the firmer the fitting of the sealing ring on the connecting insertion pipe, and the better the sealing performance; the transmission rod and the pressure regulating valve are internally provided with double protection of a leakage-proof sleeve and a leakage-proof ring, so that fluid is prevented from leaking from the connection part of the transmission rod.
Description of the drawings:
For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the connection cannula of the present invention;
FIG. 3 is a schematic view of the connection structure of the spring according to the present invention;
Fig. 4 is a schematic structural view of the leakage-proof ring of the present invention.
In the figure: 1. a pressure regulating valve housing; 2. a communication interface; 21. a threaded sleeve; 3. a partition panel; 4. a through hole; 5. a sealing plate; 51. a spring; 52. a first sliding rod; 53. a second sliding rod; 6. sealing the insert block; 61. a first sealing ring; 7. a connecting rod; 71. a drive ring; 8. a threaded rod; 81. a limiting plate; 9. a leakage prevention sleeve; 10. a transmission rod; 101. a slip ring; 102. a second sealing ring; 11. a handle; 12. a leakage-proof ring; 121. a limiting groove; 13. connecting the cannula; 131. and a third sealing ring.
The specific implementation mode is as follows:
As shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment: a pressure regulating structure for a pressure regulating valve comprises a pressure regulating valve shell 1, wherein communication interfaces 2 are arranged at the bottoms of two sides of the pressure regulating valve shell 1, the two communication interfaces 2 are communicated with the inside of the pressure regulating valve shell 1, a partition plate 3 is arranged inside the pressure regulating valve shell 1, the periphery of the partition plate 3 is fixedly connected with the inner wall of the pressure regulating valve shell 1, a through hole 4 is formed in the middle of the partition plate 3, a sealing plate 5 is arranged right above the through hole 4, a sealing insert block 6 is fixedly connected to the bottom of the sealing plate 5 corresponding to the through hole 4, a sealing ring 61 is sleeved at the top of the sealing insert block 6, the size of the inner ring of the sealing ring 61 is equal to that of the top of the through hole 4, a transmission ring 71 is arranged above the sealing plate 5, a plurality of connecting rods 7 are fixedly connected to the periphery of the transmission ring 71 at equal intervals, the bottom fixedly connected with limiting plate 81 of threaded rod 8, limiting plate 81's length is greater than the diameter of threaded rod 8.
Wherein, the top middle part of air-vent valve shell 1 just is located threaded rod 8 directly over fixedly connected with prevents leaking ring 12, the internal rotation of preventing leaking ring 12 is connected with transfer line 10, the middle part of preventing leaking ring 12 is dug and is equipped with spacing groove 121, the internal rotation of spacing groove 121 is connected with sliding ring 101, the outer wall cover of sliding ring 101 is equipped with No. two sealing washer 102, sliding ring 101 and the outer wall fixed connection of transfer line 10, transfer line 10 is located the outside one end fixedly connected with handle 11 of air-vent valve shell 1, it is spacing sealed by sliding ring 101 and No. two sealing washer 102 between ring 12 to be the same as transmission messenger threaded rod 8 pivoted transfer line 10 and prevent leaking, prevent that fluid from flowing out from the.
Wherein, the equal fixedly connected with spring 51 in both ends bottom of closing plate 5, two spring 51's bottom all with partition panel 3 fixed connection, two spring 51's inside is all inserted and is equipped with slide bar 52 No. one, slide bar 52's top and closing plate 5's bottom fixed connection, slide bar 52's bottom is equipped with slide bar 53 No. two, slide bar 53's top and slide bar 52's bottom sliding connection No. two, slide bar 53's bottom and partition panel 3's top fixed connection No. two.
Wherein, the top middle part of the air-vent valve shell 1 inner wall just is located and prevents under the ring 12 that lets out and prevent letting out sleeve 9, prevents letting out sleeve 9's top and air-vent valve shell 1's inner wall fixed connection, threaded rod 8's top and prevent letting out sleeve 9 and rotate and be connected.
Wherein, the inner walls of two communicating interfaces 2 far away from one end of the pressure regulating valve shell 1 are fixedly connected with threaded sleeves 21, and one end of the communicating interface 2 far away from the pressure regulating valve shell 1 is connected with a connecting insertion pipe 13.
Wherein, connect the one end outer wall that intubate 13 is close to intercommunication interface 2 and the inner wall threaded connection of threaded sleeve 21, the middle part cover of connecting intubate 13 is equipped with No. three sealing washer 131.
Wherein, sealed inserted block 6 is big-end-up's structure, and sealed inserted block 6 bottom is less than through-hole 4, and the top of sealed inserted block 6 is greater than through-hole 4.
Specifically, the method comprises the following steps: a pressure regulating structure for a pressure regulating valve is characterized in that a connecting insertion pipe 13 is connected with a threaded sleeve 21 inside a communication interface 2, the tighter the connecting insertion pipe 13 and the threaded sleeve 21 are screwed, the tighter a third sealing ring 131 is extruded, the better sealing is realized, an external connecting pipe is connected with the connecting insertion pipe 13, the installation of the pressure regulating valve is completed, when pressure regulation is needed, a transmission rod 10 is rotated through a handle 11, the transmission rod 10 is limited through a sliding ring 101 to prevent up-and-down sliding, a second sealing ring 102 outside the sliding ring 101 has a secondary leakage-proof effect, a leakage-proof sleeve 9 rotatably connected with the top of a threaded rod 8 has primary leakage-proof, double leakage-proof and sealing effects are improved, the threaded rod 8 at the bottom of the transmission rod 10 is rotated under the driving of the transmission rod 10, a transmission ring 71 in threaded connection with the threaded rod 8 moves downwards along with threads, a first sliding rod 52 and a second sliding rod 53 at the bottom of a sealing, and can prevent again that closing plate 5 and driving ring 71 from shifting, closing plate 5 drives sealed inserted block 6 and extrudees downwards, and trapezoidal sealed inserted block 6 inserts in through-hole 4 downwards, and No. one sealing washer 61 seals, and along with sealed inserted block 6 inserts to through-hole 4 and seal more deeply better, pressure adjustment is more accurate.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (7)
1. The pressure regulating structure for the pressure regulating valve is characterized by comprising a pressure regulating valve shell (1), wherein communication interfaces (2) are arranged at the bottoms of two sides of the pressure regulating valve shell (1), the two communication interfaces (2) are communicated with the inside of the pressure regulating valve shell (1), a partition plate (3) is arranged inside the pressure regulating valve shell (1), the periphery of the partition plate (3) is fixedly connected with the inner wall of the pressure regulating valve shell (1), a through hole (4) is formed in the middle of the partition plate (3), a sealing plate (5) is arranged right above the through hole (4), a sealing insert block (6) is fixedly connected to the position, corresponding to the through hole (4), of the bottom of the sealing plate (5), a first sealing ring (61) is sleeved at the top of the sealing insert block (6), and the size of the inner ring of the first sealing ring (61) is equal to that of the top of the through hole (, the top of closing plate (5) is equipped with transmission ring (71), a plurality of connecting rods (7) of equidistance fixedly connected with all around of transmission ring (71), the bottom and closing plate (5) fixed connection of connecting rod (7), the middle part threaded connection of transmission ring (71) has threaded rod (8), the bottom fixedly connected with limiting plate (81) of threaded rod (8), the length of limiting plate (81) is greater than the diameter of threaded rod (8).
2. The pressure regulating structure for a pressure regulating valve according to claim 1, characterized in that: the utility model discloses a pressure-regulating valve, including pressure-regulating valve shell (1), top middle part and the fixedly connected with that is located threaded rod (8) of pressure-regulating valve shell (1) prevent leaking ring (12), the internal rotation of preventing leaking ring (12) is connected with transfer line (10), the middle part of preventing leaking ring (12) is dug and is equipped with spacing groove (121), the internal rotation of spacing groove (121) is connected with sliding ring (101), the outer wall cover of sliding ring (101) is equipped with No. two sealing washer (102), the outer wall fixed connection of sliding ring (101) and transfer line (10), transfer line (10) are located the outside one end fixedly connected with handle (11) of pressure-regulating valve shell (1).
3. The pressure regulating structure for a pressure regulating valve according to claim 1, characterized in that: the equal fixedly connected with spring (51) in both ends bottom of closing plate (5), two the bottom of spring (51) all with partition panel (3) fixed connection, two slide bar (52) have all been inserted in the inside of spring (51), the top of slide bar (52) and the bottom fixed connection of closing plate (5), the bottom of slide bar (52) is equipped with No. two slide bars (53), the bottom sliding connection of the top of No. two slide bars (53) and slide bar (52), the bottom of No. two slide bars (53) and the top fixed connection of partition panel (3).
4. The pressure regulating structure for a pressure regulating valve according to claim 1, characterized in that: the top middle part of air-vent valve shell (1) inner wall just is located and is equipped with under preventing leaking ring (12) and prevents leaking sleeve (9), prevent leaking the inner wall fixed connection of the top of sleeve (9) and air-vent valve shell (1), the top of threaded rod (8) with prevent leaking sleeve (9) and rotate and be connected.
5. The pressure regulating structure for a pressure regulating valve according to claim 1, characterized in that: the inner walls of the two communicating interfaces (2) far away from one end of the pressure regulating valve shell (1) are fixedly connected with threaded sleeves (21), and one end of the communicating interface (2) far away from the pressure regulating valve shell (1) is connected with a connecting insertion pipe (13).
6. The pressure regulating structure for a pressure regulating valve according to claim 5, characterized in that: connect intubate (13) and be close to the one end outer wall of intercommunication interface (2) and the inner wall threaded connection of threaded sleeve (21), the middle part cover of connecting intubate (13) is equipped with No. three sealing washer (131).
7. The pressure regulating structure for a pressure regulating valve according to claim 1, characterized in that: the sealing insert block (6) is of a big-end-up structure, the bottom of the sealing insert block (6) is smaller than the through hole (4), and the top of the sealing insert block (6) is larger than the through hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010385098.2A CN111442095A (en) | 2020-05-09 | 2020-05-09 | Pressure regulating structure for pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010385098.2A CN111442095A (en) | 2020-05-09 | 2020-05-09 | Pressure regulating structure for pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111442095A true CN111442095A (en) | 2020-07-24 |
Family
ID=71655005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010385098.2A Pending CN111442095A (en) | 2020-05-09 | 2020-05-09 | Pressure regulating structure for pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111442095A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116928364A (en) * | 2023-09-18 | 2023-10-24 | 欧冠阀门科技有限公司 | Flow-regulating pressure regulating valve |
-
2020
- 2020-05-09 CN CN202010385098.2A patent/CN111442095A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116928364A (en) * | 2023-09-18 | 2023-10-24 | 欧冠阀门科技有限公司 | Flow-regulating pressure regulating valve |
| CN116928364B (en) * | 2023-09-18 | 2023-11-28 | 欧冠阀门科技有限公司 | Flow-regulating pressure regulating valve |
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