CN219655296U

CN219655296U - Gas regulating valve

Info

Publication number: CN219655296U
Application number: CN202320670873.8U
Authority: CN
Inventors: 何坚; 何忠华; 何忠先
Original assignee: Jiangsu Fanghua Valve Filling Equipment Co ltd
Current assignee: Jiangsu Fanghua Valve Filling Equipment Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-09-08
Anticipated expiration: 2033-03-30

Abstract

The utility model discloses a gas regulating valve, which belongs to a valve, and comprises: the valve casing, fixedly connected with seal dog on the valve casing middle part inner wall, seal dog middle part is fixed to be seted up the through-hole, seal dog upper and lower outer wall is last fixed last seal groove and the lower seal groove of having seted up respectively, seal dog both sides are all fixed the guiding hole of having seted up, two all overlap in the guiding hole and are equipped with the connecting rod, two the connecting rod is close to on the upper end outer wall all fixed driven gear of having cup jointed, valve casing roof middle part has rotated and has cup jointed the regulation pole, fixed driving gear and a plurality of second sealing ring of having cup jointed respectively on the regulation pole outer wall, regulation pole lower extreme fixedly connected with accommodate spindle. Therefore, the gas regulating valve can carry out double-sided sealing treatment on the valve, improves the sealing effect and has practicability.

Description

Gas regulating valve

Technical Field

The utility model relates to a gas valve, in particular to a gas regulating valve, which belongs to a valve.

Background

The gas valve is a control part in the gas conveying system and has the functions of stopping, adjusting, guiding, preventing countercurrent, stabilizing pressure, diverting or overflow pressure relief and the like. Gas valves for gas control systems range from the simplest shut-off valves to the various valves used in extremely complex automatic control systems, which are quite diverse in variety and specification.

For a gas valve, the sealing performance of the valve is high, the current valve generally adopts a single-face sealing mode, and the sealing performance of the valve is insufficient in an application environment requiring high sealing, so that the gas regulating valve is improved.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a gas regulating valve, which can carry out double-sided sealing treatment on the valve, improves the sealing effect and solves the problem that the gas valve is insufficient under the condition that high sealing performance is required due to the adoption of single-sided sealing in the prior art.

In order to solve the problems, the following technical scheme is provided:

the gas regulating valve comprises a valve shell, wherein a sealing stop block is fixedly connected to the inner wall of the middle part of the valve shell, a through hole is fixedly formed in the middle part of the sealing stop block, an upper sealing groove and a lower sealing groove are respectively fixedly formed in the upper outer wall and the lower outer wall of the sealing stop block, guide holes are respectively fixedly formed in two sides of the sealing stop block, connecting rods are respectively sleeved in the guide holes, driven gears are respectively fixedly sleeved on the outer walls, close to the upper end, of the connecting rods, a regulating rod is rotatably sleeved in the middle part of a top plate of the valve shell, a driving gear and a plurality of second sealing rings are respectively fixedly sleeved on the outer walls of the regulating rod, a regulating screw rod is fixedly connected to the lower end of the regulating rod, a regulating slide block is sleeved on the outer walls of the regulating screw rod through threads, an upper pressing plate is fixedly connected to the lower end of the regulating slide block, and an upper sealing ring and an upper sealing block are respectively fixedly connected to the lower end face of the upper pressing plate;

the lower ends of the connecting rods are fixedly connected with transmission screw rods, the outer walls of the transmission screw rods are sleeved with transmission sliding blocks through threads, a lower pressing plate is fixedly connected between the transmission sliding blocks, and the upper ends of the lower pressing plates are respectively fixedly connected with a lower sealing ring and a lower sealing block.

Further, a plurality of first sealing rings are fixedly sleeved on the outer walls of the connecting rods, the first sealing rings are rotatably arranged in the guide holes, and the second sealing rings are rotatably arranged in the top plate of the valve housing.

Further, the upper ends of the two connecting rods are both rotatably connected to the inner wall of the valve housing.

Further, the driving gear and the driven gear are meshed.

Further, an adjusting knob is fixedly connected to the upper end of the adjusting rod.

Further, all sliding sleeve has gone up the slide bar on the outer wall of top board both sides, all sliding sleeve has cup jointed the lower slide bar on the outer wall of holding down plate both sides, go up slide bar and the equal fixed connection of lower slide bar on sealed dog outer wall, lower slide bar lower extreme fixedly connected with limiting plate, transmission lead screw lower extreme rotation is connected on the limiting plate.

Further, the upper sealing block and the lower sealing block are sleeved in the through hole, and the upper sealing ring and the lower sealing ring are correspondingly sleeved in the upper sealing groove and the lower sealing groove respectively.

Compared with the prior art, the utility model has the beneficial effects that: the device drives the regulation pole through utilizing adjust knob and rotates, further drives driving gear and accommodate the lead screw synchronous rotation, further drives driven gear and rotates, further drives the connecting rod and rotates, further drives the transmission lead screw and rotates, further drives the transmission slider and rotates, further drives the holding down plate and removes, further drives down the sealing piece and remove, simultaneously adjust the lead screw and rotate and drive the adjusting slider and remove, further drive the holding down plate and remove, further drive the sealing piece and remove, thereby realize through two clamp plates relative movement of the upper and lower end of knob control seal dog, thereby form double-deck sealedly through two upper and lower sealing rings of two upper and lower sealing piece cooperation, the sealing performance of improvement valve that can be very big has the practicality.

Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view showing the external structure of a preferred embodiment of a gas regulating valve according to the present utility model;

FIG. 2 is a schematic view showing the internal structure of a preferred embodiment of a gas regulating valve according to the present utility model;

fig. 3 is a top view of a seal block configuration of a preferred embodiment of a gas regulating valve in accordance with the present utility model.

In the figure: 1. a valve housing; 2. a sealing stop; 3. a through hole; 4. an upper seal groove; 5. a lower seal groove; 6. a guide hole; 7. a connecting rod; 8. a first seal ring; 9. a driven gear; 10. an adjusting rod; 11. a second seal ring; 12. an adjustment knob; 13. adjusting a screw rod; 14. a drive gear; 15. an adjusting slide block; 16. an upper press plate; 17. an upper seal ring; 18. an upper slide bar; 19. an upper sealing block; 20. a transmission screw rod; 21. a transmission slide block; 22. a lower pressing plate; 23. a lower slide bar; 24. a limiting plate; 25. a lower seal ring; 26. and a lower sealing block.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, the gas regulating valve provided in this embodiment includes a valve housing 1, a sealing stop block 2 is fixedly connected to an inner wall in a middle portion of the valve housing 1, a through hole 3 is fixedly provided in the middle portion of the sealing stop block 2, an upper sealing groove 4 and a lower sealing groove 5 are fixedly provided on an upper outer wall and a lower outer wall of the sealing stop block 2 respectively, guide holes 6 are fixedly provided on two sides of the sealing stop block 2, connecting rods 7 are respectively sleeved in the two guide holes 6, driven gears 9 are respectively fixedly sleeved on outer walls of the two connecting rods 7 close to the upper ends, driving screw rods 20 are respectively fixedly connected to lower ends of the two connecting rods 7, driving screw rods 20 are respectively fixedly connected to outer walls of the two driving screw rods 20, driving screw rods 25 and lower sealing blocks 26 are respectively fixedly connected to upper end surfaces of the two driving screw rods 20, lower sealing rings 25 and lower sealing blocks 26 are respectively fixedly connected to upper end surfaces of the two driving screw rods 16, upper end surfaces of the two driving screw rods 16 are respectively fixedly connected to upper end surfaces of the two driving screw rods 13, upper end surfaces of the two driving screw rods 16 are respectively fixedly connected to upper end surfaces of the driving screw rods 15, and lower end surfaces of the driving screw rods 16 are respectively fixedly connected to upper end surfaces of the driving screw rods 15, and lower end surfaces of the upper end surfaces of the driving screw rods 16 are respectively.

The upper sealing block 19 and the lower sealing block 26 are sleeved in the through hole 3, an upper double-layer seal and a lower double-layer seal are formed on the through hole 3 through the upper sealing block 19 and the lower sealing block 26, the upper sealing ring 17 and the lower sealing ring 25 are correspondingly sleeved in the upper sealing groove 4 and the lower sealing groove 5 respectively, and the sealing grooves are sleeved through the sealing rings to form a multi-layer seal, so that the sealing effect is improved.

Preferably, the upper end of the adjusting rod 10 is fixedly connected with an adjusting knob 12, and the adjusting rod 10 can be driven to rotate through the adjusting knob 12.

A plurality of first sealing rings 8 are fixedly sleeved on the outer walls of the two connecting rods 7, the first sealing rings 8 are rotatably arranged in the guide holes 6, and a plurality of second sealing rings 11 are rotatably arranged in the top plate of the valve housing 1.

Preferably, the driving gear 14 is meshed with the driven gear 9, the driving gear 14 is driven to rotate by the adjusting rod 10, the driven gear 9 is further driven to rotate, and the two driven gears 9 are driven to synchronously rotate while the adjusting rod 10 rotates.

Preferably, the outer walls of the two sides of the upper pressing plate 16 are respectively and slidably sleeved with an upper sliding rod 18, the upper sliding rod 18 is used for stably limiting the movement of the upper pressing plate 16, the outer walls of the two sides of the lower pressing plate 22 are respectively and slidably sleeved with a lower sliding rod 23, the lower sliding rods 23 are used for stably limiting the movement of the lower pressing plate 22, the upper sliding rod 18 and the lower sliding rods 23 are respectively and fixedly connected to the outer walls of the sealing stop block 2, the lower ends of the lower sliding rods 23 are fixedly connected with a limiting plate 24, and the lower ends of the transmission screw rods 20 are rotatably connected to the limiting plate 24.

The application principle and the application flow of the utility model are as follows:

firstly, the adjusting knob 12 drives the adjusting rod 10 to rotate, the driving gear 14 and the adjusting screw rod 13 are further driven to synchronously rotate, the driven gear 9 is further driven to rotate, the connecting rod 7 is further driven to rotate, the driving screw rod 20 is further driven to rotate, the driving slide block 21 is further driven to rotate, the lower pressing plate 22 is further driven to move, the lower sealing block 26 is further driven to move, meanwhile, the adjusting screw rod 13 is driven to rotate, the adjusting slide block 15 is further driven to move, the upper pressing plate 16 is further driven to move, the upper sealing block 19 and the lower sealing block 26 are driven to relatively move to seal the through hole 3, and meanwhile, the upper sealing groove 4 and the lower sealing groove 5 are respectively nested by the upper sealing ring 17 and the lower sealing ring 25 to seal in multiple layers, so that the sealing performance of the valve is improved.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to specific circumstances.

While the utility model has been described in connection with specific embodiments, it will be apparent to those skilled in the art that the description is intended to be illustrative and not limiting in scope. Various modifications and alterations of this utility model will occur to those skilled in the art in light of the spirit and principles of this utility model, and such modifications and alterations are also within the scope of this utility model.

Claims

1. The utility model provides a gas regulating valve, its characterized in that, includes valve housing (1), fixedly connected with seal dog (2) on the middle part inner wall of valve housing (1), through-hole (3) have been seted up to seal dog (2) middle part is fixed, upper seal groove (4) and lower seal groove (5) have been seted up on the outer wall about seal dog (2) respectively, guiding hole (6) have all been seted up to seal dog (2) both sides fixedly, two all cover in guiding hole (6) are equipped with connecting rod (7), two all fixed driven gear (9) have been cup jointed on connecting rod (7) are close to the upper end outer wall, valve housing (1) roof middle part rotation has cup jointed regulation pole (10), fixed cover has set driving gear (14) and a plurality of second sealing ring (11) on regulation pole (10) outer wall respectively, regulation pole (10) lower extreme fixedly connected with adjusting screw (13), threaded cover has regulation slider (15) on the outer wall of adjusting screw (13), regulation slider (15) lower extreme fixedly connected with top board (16), terminal surface (16) are fixed connection top sealing ring (17) and sealing ring (19) respectively down;

the lower ends of the connecting rods (7) are fixedly connected with transmission screw rods (20), the outer walls of the transmission screw rods (20) are sleeved with transmission sliding blocks (21) through threads, a lower pressing plate (22) is fixedly connected between the transmission sliding blocks (21), and the upper ends of the lower pressing plates (22) are fixedly connected with a lower sealing ring (25) and a lower sealing block (26) respectively.

2. A gas regulating valve according to claim 1, wherein a plurality of first sealing rings (8) are fixedly sleeved on the outer walls of the two connecting rods (7), the first sealing rings (8) are rotatably arranged in the guide holes (6), and the second sealing rings (11) are rotatably arranged in the top plate of the valve housing (1).

3. A gas regulating valve according to claim 1, wherein the upper ends of both said connecting rods (7) are rotatably connected to the inner wall of the valve housing (1).

4. A gas regulating valve according to claim 1, wherein the driving gear (14) and the driven gear (9) are in mesh.

5. A gas regulating valve according to claim 1, wherein the upper end of the regulating rod (10) is fixedly connected with a regulating knob (12).

6. A gas regulating valve according to claim 1, wherein the outer walls of the two sides of the upper pressing plate (16) are respectively and slidably sleeved with an upper sliding rod (18), the outer walls of the two sides of the lower pressing plate (22) are respectively and slidably sleeved with a lower sliding rod (23), the upper sliding rod (18) and the lower sliding rod (23) are respectively and fixedly connected to the outer walls of the sealing stop block (2), the lower end of the lower sliding rod (23) is fixedly connected with a limiting plate (24), and the lower end of the transmission screw (20) is rotatably connected to the limiting plate (24).

7. A gas regulating valve according to claim 1, wherein the upper sealing block (19) and the lower sealing block (26) are respectively sleeved in the through hole (3), and the upper sealing ring (17) and the lower sealing ring (25) are respectively sleeved in the upper sealing groove (4) and the lower sealing groove (5) correspondingly.