CN212251162U

CN212251162U - Pressure regulating structure for pressure regulating valve

Info

Publication number: CN212251162U
Application number: CN202020750135.0U
Authority: CN
Inventors: 陈双河; 李艳征
Original assignee: Changzhou Xinruisi Energy Equipment Co ltd
Current assignee: Changzhou Xinruisi Energy Equipment Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-12-29
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses a pressure regulating structure for an air regulating valve, which comprises an air regulating valve shell, wherein the bottoms of the two sides of the air regulating valve shell are respectively provided with a communicating interface, the two communicating interfaces are respectively communicated with the interior of the air regulating valve shell, the interior of the air regulating valve shell is provided with a partition panel, and the periphery of the partition panel is fixedly connected with the inner wall of the air 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

Pressure regulating structure for pressure regulating valve

The technical field is as follows:

the utility model belongs to the technical field of valve structure, in particular to pressure regulating structure for air-vent valve.

Background art:

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.

The invention content is as follows:

the purpose of the utility model is to provide a pressure regulating structure for pressure regulating valve to solve the above problems, by arranging a trapezoidal sealing insert at the bottom of the sealing plate, the sealing effect between the two sides of the valve is increased after the sealing insert 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.

In order to solve the problem, the utility model provides a pressure regulating structure technical scheme for air-vent valve:

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.

As a preferred technical scheme of the utility model, the top middle part of air-vent valve shell just is located the threaded rod directly over fixedly connected with prevent leaking the ring, the inside of preventing leaking the ring is rotated and is connected with the transfer line, the middle part of preventing leaking the ring is dug and is equipped with the spacing groove, the inside of spacing groove is rotated and is connected with the sliding ring, the outer wall cover of sliding ring is equipped with No. two sealing washers, the outer wall fixed connection of sliding ring and transfer line, the transfer line is located the outside one end fixedly connected with handle of air-vent valve shell.

As an optimal technical scheme of the utility model, the equal fixedly connected with spring in both ends bottom of closing plate, two the bottom of spring all with partition panel fixed connection, two the inside of spring is all inserted and is equipped with the slide bar No. one, the top of slide bar and the bottom fixed connection of closing plate, the bottom of slide bar is equipped with the slide bar No. two, the top of slide bar No. two and the bottom sliding connection of slide bar No. one, the bottom of slide bar No. two and the top fixed connection of partition panel.

As a preferred technical scheme of the utility model, the top middle part of air-vent valve shell inner wall just is located and is equipped with the leakage-proof sleeve under the leakage-proof ring, the inner wall fixed connection of leakage-proof telescopic top and air-vent valve shell, the top of threaded rod with prevent leaking the muffjoint and rotate and be connected.

As a preferred technical scheme of the utility model, two the equal fixedly connected with threaded sleeve of inner wall that air-vent valve shell one end was kept away from to the intercommunication interface, the one end that the air-vent valve shell was kept away from to the intercommunication interface is connected with the connection intubate.

As a preferred technical scheme of the utility model, connect the intubate and be close to the one end outer wall and the telescopic inner wall threaded connection of screw thread of intercommunication interface, the middle part cover of connecting the intubate is equipped with No. three sealing washers.

As an optimal technical scheme of the utility model, sealed inserted block is big-end-up's structure, sealed inserted block bottom is less than the through-hole, the top of sealed inserted block is greater than the through-hole.

The utility model has the advantages that: 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 improved after the sealing insert block is inserted into the through hole, the fluid can be ensured not to circulate when the sealing plate is completely cut off, and the sealing effect is improved; 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 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 of 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.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, which are only illustrative, but also various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the present invention as claimed, which is defined by the appended claims and their equivalents.

Claims

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).