CN219570902U - Anti-leakage fluorine-lined single-seat regulating valve - Google Patents

Abstract

The utility model discloses an anti-leakage fluorine-lined single-seat regulating valve, relates to the technical field of single-seat regulating valve structures, and aims to solve the problems that in the prior art, the sealing effect of the single-seat regulating valve is only aimed at the inside of a valve body, the inside of the valve body is only ensured not to leak, and the inlet and the outlet on two sides of the valve body are not ensured to leak. Communicating pipes are arranged on two sides of the valve body, fixing discs are arranged on end faces of two sides of the communicating pipes, and an inlet channel and an outlet channel are arranged in the two communicating pipes; further comprises: the valve plate is arranged in the inlet channel and the outlet channel, the upper surface of the communicating pipe is provided with a rotating handle, and the top of the valve plate is provided with a rotating rod; the valve seat is arranged in the valve body, a connecting port is formed in the top of the valve body, a valve core is arranged in the valve seat, a valve rod is arranged at the top of the valve core, and the valve rod penetrates through the connecting port.

Description

Anti-leakage fluorine-lined single-seat regulating valve

Technical Field

The utility model relates to the technical field of single-seat regulating valve structures, in particular to an anti-leakage fluorine-lined single-seat regulating valve.

Background

The regulating valve is also called a control valve, and in the field of industrial automation process control, a final control element for changing process parameters such as medium flow, pressure, temperature, liquid level and the like by power operation is realized by receiving a control signal output by a regulating control unit;

such as chinese issued patent number CN204239778U (a single seat regulator valve): the valve core component comprises a valve core and a valve rod, wherein a first sealing ring, a gland, a first check ring, a first wear-resisting ring, a second check ring, a second wear-resisting ring and a second sealing ring are sequentially arranged between the valve rod and the valve cover from top to bottom, and the first sealing ring, the gland, the first check ring, the first wear-resisting ring, the second check ring, the second wear-resisting ring and the second sealing ring are sequentially arranged between the valve rod and the valve cover from top to bottom.

However, in the prior art, the sealing effect of the single-seat regulating valve is only aimed at the inside of the valve body, so that the inside of the valve body is only ensured not to leak, but the problem that the inlets and the outlets on two sides of the valve body are also not leaked can not be ensured; therefore, the existing requirements are not met, and an anti-leakage fluorine lining single-seat regulating valve is provided.

Disclosure of Invention

The utility model aims to provide an anti-leakage fluorine-lined single-seat regulating valve, which aims to solve the problems that in the prior art, the sealing effect of the single-seat regulating valve is only aimed at the inside of a valve body, the inside of the valve body is only ensured not to leak, but the inlet and the outlet at two sides of the valve body are not ensured to leak.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an antiseep lining fluorine single seat governing valve, includes that both sides of valve body all are provided with communicating pipe, the both sides terminal surface of communicating pipe all is provided with the fixed disk, the inside of two communicating pipes is provided with inlet channel and outlet channel;

further comprises:

the valve plate is arranged in the inlet channel and the outlet channel, the upper surface of the communicating pipe is provided with a rotating handle, and the top of the valve plate is provided with a rotating rod;

the valve seat is arranged in the valve body, a connecting port is formed in the top of the valve body, a valve core is arranged in the valve seat, a valve rod is arranged at the top of the valve core, and the valve rod penetrates through the connecting port.

Preferably, the bottom of valve body is provided with the base, be provided with the support column on the base, the top of valve body is provided with the valve gap, the top of valve gap is provided with the support frame.

Preferably, the top of support frame is provided with pneumatic means, pneumatic means's upper surface is provided with the gas vent, be provided with the gland in the support frame, be provided with the lift depression bar on the gland, just lift depression bar and pneumatic means's bottom telescopic connection.

Preferably, a sealing plate is installed inside the valve plate, and the sealing plate is rotationally connected with the inside of the valve plate.

Preferably, a first sealing gasket is arranged around the sealing plate, and extension plates are arranged on the front end face and the rear end face of the sealing plate.

Preferably, the upper end and the lower end of the valve seat are respectively provided with a circulation groove, the circulation grooves are respectively communicated with the inlet channel and the outlet channel, the valve core is in an inverted trapezoid shape, and the two sides of the upper end and the lower end of the valve core are respectively provided with a second sealing gasket.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the valve plates are arranged in the inlet channel and the outlet channel in the two communicating pipes, the sealing plates are arranged in the valve plates and fixed on the inner walls of the inlet channel and the outlet channel, the rotating rod can be driven by the rotating handle to enable the sealing plates to rotate in the valve plates to perform the function of closing the switch, the first sealing gasket is arranged around the sealing plates, meanwhile, the valve cores in the valve seats are in inverted trapezoid shapes, the second sealing gaskets are arranged on the two sides of the upper end and the lower end of the valve cores, and during operation, the valve seats and the valve cores in the valve bodies play a role of sealing, the valve plates and the sealing plates play a role of sealing the interiors of the communicating pipes, the sealing effect of the interiors of the valve bodies and the two sides of the valve bodies is guaranteed, and meanwhile, the leakage-proof effect is enhanced, and the problem that in the prior art, the sealing effect of the single-seat regulating valve only aims at the interiors of the valve bodies is guaranteed not to leak, but the inlets and the outlets on the two sides of the valve bodies are not guaranteed to leak.

2. Fluoroplastic is lined in the valve body and the communicating pipe, so that the inside of the valve body can be prevented from being corroded by media, the service life and sealing performance of the valve body can be guaranteed, extension plates are arranged on two sides of the front end face and the rear end face of the sealing plate, the limiting effect can be achieved when the sealing plate is opened and closed, and the situation that the sealing plate cannot be overlapped with the inside of the valve plate is avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a single seat regulator valve of the present utility model;

FIG. 2 is an enlarged schematic view of a partial internal structure of a valve body of a single seat regulating valve according to the present utility model;

FIG. 3 is an enlarged schematic view of a part of the opening structure of the valve plate inside the communication pipe according to the present utility model;

FIG. 4 is an enlarged schematic view of the interior A of the valve body of the single seat regulator valve of the present utility model;

in the figure: 1. a valve body; 2. a communicating pipe; 3. a fixed plate; 4. a rotating handle; 5. a base; 6. a support column; 7. a valve cover; 8. a support frame; 9. a gland; 10. a lifting pressure lever; 11. a pneumatic device; 12. an exhaust port; 13. a connection port; 14. a valve stem; 15. an inlet channel; 16. an outlet channel; 17. a flow channel; 18. a valve plate; 19. a rotating lever; 20. a sealing plate; 21. a first gasket; 22. an extension plate; 23. a valve seat; 24. a valve core; 25. and a second gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides an antiseep lining fluorine single seat governing valve, includes that both sides of valve body 1 all are provided with communicating pipe 2, and the both sides terminal surface of communicating pipe 2 all is provided with fixed disk 3, and the inside of two communicating pipes 2 is provided with inlet channel 15 and outlet channel 16;

further comprises:

a valve plate 18 provided inside the inlet passage 15 and the outlet passage 16, the upper surface of the communication pipe 2 being provided with a rotation handle 4, the top of the valve plate 18 being provided with a rotation lever 19;

the valve seat 23, it sets up in the inside of valve body 1, the top of valve body 1 is provided with connector 13, the internally mounted of valve seat 23 has case 24, the top of case 24 is provided with valve rod 14, and valve rod 14 link up connector 13, available change handle 4 drives dwang 19 and makes closing plate 20 rotate in the inside of valve plate 18, play the effect of switch closure, the first sealed pad 21 of setting up all around of closing plate 20, simultaneously the case 24 of valve seat 23 inside is the reverse trapezoid, the both sides of case 24 upper and lower end have all set up second sealed pad 25, during the operation, the inside valve seat 23 of valve body 1 plays sealed effect with case 24, valve plate 18 and closing plate 20 play sealed effect to the inside of communicating pipe 2, the sealed effect of valve body 1 inside and valve body 1 both sides has been guaranteed, the leak-proof effect has been strengthened simultaneously, the sealed effect of single seat governing valve only to its inside of valve body 1 has been solved, only guarantee that its inside does not leak, but can't guarantee the import and export of valve body 1 both sides also does not produce the problem of leaking.

Referring to fig. 1, a base 5 is provided at the bottom of a valve body 1, a supporting column 6 is provided on the base 5, a valve cover 7 is provided above the valve body 1, and a supporting frame 8 is provided above the valve cover 7.

Referring to fig. 1, a pneumatic device 11 is disposed at the top of a supporting frame 8, an air outlet 12 is disposed on the upper surface of the pneumatic device 11, a pressing cover 9 is disposed in the supporting frame 8, a lifting press rod 10 is disposed on the pressing cover 9, the lifting press rod 10 is in telescopic connection with the bottom of the pneumatic device 11, and the pneumatic device 11 is used to drive the lifting press rod 10 to drive a valve rod 14 to move up and down.

Referring to fig. 2 and 3, a sealing plate 20 is installed inside the valve plate 18, and the sealing plate 20 is rotatably connected with the inside of the valve plate 18, the valve plate 18 is fixed on the inner walls of the inlet channel 15 and the outlet channel 16, and the rotating rod 19 can be driven by the rotating handle 4 to rotate the sealing plate 20 inside the valve plate 18, so as to perform the function of closing the switch.

Referring to fig. 3, a first gasket 21 is installed around the sealing plate 20, and extension plates 22 are disposed on the front and rear end surfaces of the sealing plate 20, wherein the extension plates 22 can play a limiting role when the sealing plate 20 is opened or closed, so as to avoid the situation that the sealing plate 20 cannot be overlapped with the inner portion of the valve plate 18.

Referring to fig. 2 and 4, the upper and lower ends of the valve seat 23 are respectively provided with a flow groove 17, the flow grooves 17 are respectively communicated with the inlet channel 15 and the outlet channel 16, the valve core 24 is in an inverted trapezoid shape, both sides of the upper and lower ends of the valve core 24 are respectively provided with a second sealing gasket 25, during operation, the valve seat 23 and the valve core 24 inside the valve body 1 play a role in sealing, the valve plate 18 and the sealing plate 20 play a role in sealing the inside of the communicating pipe 2, the sealing effect inside the valve body 1 and both sides of the valve body 1 is ensured, and meanwhile, the leakage-proof effect is enhanced, so that the problem that in the prior art, the sealing effect of the single-seat regulating valve only aims at the inside of the valve body 1, only the inside of the single-seat regulating valve is ensured not to leak, but the inlet and the outlet at both sides of the valve body 1 cannot be ensured to leak is also not generated.

Working principle: during the use, the inside of the import passageway 15 and the export passageway 16 in two communicating pipes 2 all sets up valve plate 18, set up closing plate 20 in the valve plate 18, valve plate 18 is fixed on the inner wall of import passageway 15 and export passageway 16, available commentaries on classics handle 4 drives dwang 19 and makes closing plate 20 rotate in the inside of valve plate 18, play the effect of switch closure, the sealing plate 20 sets up first sealed 21 all around, simultaneously the inside case 24 of disk seat 23 is the shape of falling trapezoid, the both sides of the upper and lower end of case 24 have all set up second sealed 25, during the operation, the inside disk seat 23 of valve body 1 plays sealed effect with case 24, valve plate 18 and closing plate 20 play sealed effect to the inside of communicating pipe 2, the sealed effect of valve body 1 inside and valve body 1 both sides has been guaranteed, the effect of preventing leakage has been strengthened simultaneously, the sealed effect of single seat governing valve only to its inside of valve body 1, but can't guarantee that the inside is not produce leakage, but the import and export of valve body 1 both sides also not produce the problem of leakage, and the inside of valve body 1 and communicating pipe 2 is lined with fluoroplastic, can prevent corrosion medium, can prevent the inside and guarantee the inside and the sealing plate 20 when the sealing plate 20 is in the both sides of valve body 20 is in the case of the sealing plate 20 is opened and close when the end face is of the sealing plate 20 is all had, can not coincident with the inside of the sealing plate 20.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides an antiseep lining fluorine single seat governing valve, includes valve body (1), the both sides of valve body (1) all are provided with communicating pipe (2), the both sides terminal surface of communicating pipe (2) all is provided with fixed disk (3), the inside of two communicating pipes (2) is provided with inlet channel (15) and outlet channel (16);

the method is characterized in that: further comprises:

the valve plate (18) is arranged in the inlet channel (15) and the outlet channel (16), the upper surface of the communicating pipe (2) is provided with a rotating handle (4), and the top of the valve plate (18) is provided with a rotating rod (19);

the valve seat (23) is arranged in the valve body (1), a connecting port (13) is formed in the top of the valve body (1), a valve core (24) is arranged in the valve seat (23), a valve rod (14) is arranged at the top of the valve core (24), and the valve rod (14) penetrates through the connecting port (13).

2. The leak-proof fluorine-lined single seat regulating valve of claim 1, wherein: the bottom of valve body (1) is provided with base (5), be provided with support column (6) on base (5), the top of valve body (1) is provided with valve gap (7), the top of valve gap (7) is provided with support frame (8).

3. The leak-proof fluorine-lined single seat regulating valve of claim 2, wherein: the top of support frame (8) is provided with pneumatic means (11), the upper surface of pneumatic means (11) is provided with gas vent (12), be provided with gland (9) in support frame (8), be provided with on gland (9) lift depression bar (10), just the bottom telescopic connection of lift depression bar (10) and pneumatic means (11).

4. The leak-proof fluorine-lined single seat regulating valve of claim 1, wherein: a sealing plate (20) is arranged in the valve plate (18), and the sealing plate (20) is rotationally connected with the interior of the valve plate (18).

5. The leak-proof fluorine-lined single seat regulating valve of claim 4, wherein: the periphery of the sealing plate (20) is provided with a first sealing gasket (21), and the front end face and the rear end face of the sealing plate (20) are respectively provided with an extension plate (22).

6. The leak-proof fluorine-lined single seat regulating valve of claim 1, wherein: the valve seat (23) is characterized in that the upper end and the lower end of the valve seat (23) are respectively provided with a circulation groove (17), the circulation grooves (17) are respectively communicated with the inlet channel (15) and the outlet channel (16), the valve core (24) is in an inverted trapezoid shape, and second sealing gaskets (25) are respectively arranged on the two sides of the upper end and the lower end of the valve core (24).