CN214743360U

CN214743360U - Bidirectional flow sealing regulating valve

Info

Publication number: CN214743360U
Application number: CN202023141154.2U
Authority: CN
Inventors: 李兴元
Original assignee: Shengweida Tianjin Fluid Control Technology Co ltd
Current assignee: Hainan Hui Zhi Petrochemical Fine Chemical Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-11-16
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses a sealed governing valve of two-way flow, including adjusting valve body, combination cover assembly, switching rod assembly and power assembly, the switching rod assembly is installed to the power assembly lower extreme, and the switching rod assembly is installed inside combination cover assembly, and combination cover assembly is installed inside adjusting valve body, and adjusting valve body comprises flange, cavity, apron and direction chamber. The utility model discloses do not work through power assembly drive combination cover assembly and switching lever assembly when using, when the fluid flows from a left side to turn right, thereby the valve body is opened to the upward movement of combination cover assembly under power assembly's drive, then open the switching lever assembly under power assembly's drive when the fluid flows from the right side to turn left, the fluid can be sealed more reliable to combination cover assembly and switching lever assembly application certain pressure flowing through the valve body in-process, compare with traditional two-way flow seal control valve and have small, it is sealed reliable, advantages such as simple structure.

Description

Bidirectional flow sealing regulating valve

Technical Field

The utility model relates to a technical field of governing valve, concretely a two-way flow seal governing valve.

Background

In the field of industrial automation process control, a final control element for changing technological parameters of medium flow, pressure, temperature, liquid level and the like is operated by power by receiving a control signal output by an adjusting control unit, and the valve is driven by a driving or automatic mechanism to perform lifting, sliding, rotating or rotating motion, so that the size of the flow passage area is changed to realize the control function.

The existing regulating valve has the problems that the medium is high in inlet and low in outlet, only one-way sealing can be realized, and two-way circulation cannot be realized.

In response to the problems and challenges, a bidirectional flow seal regulating valve is provided, which has the advantages of small volume, reliable seal, simple structure and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed governing valve of bidirectional flow, the utility model discloses do work respectively with the switching rod assembly through power assembly drive combination cover assembly when using, when the fluid flows from a left side to turn right, thereby the valve body is opened to combination cover assembly rebound under power assembly's drive, then open the switching rod assembly under power assembly's drive when the fluid flows from the right side to turn left, the fluid can be sealed more reliable to combination cover assembly and switching rod assembly application certain pressure flowing through the valve body in-process to it can only realize one-way sealing to have solved the sealed governing valve of traditional bidirectional flow mostly to exist, and can't realize the both-way problem of circulating etc..

In order to achieve the above purpose, the utility model provides the following technical scheme: a bidirectional flow sealing regulating valve comprises a regulating valve body, a combined sleeve assembly, a switching rod assembly and a power assembly, wherein the switching rod assembly is installed at the lower end of the power assembly, the switching rod assembly is installed inside the combined sleeve assembly, the combined sleeve assembly is installed inside the regulating valve body, the regulating valve body is composed of a connecting flange, a cavity, a cover plate and a guide cavity, the cover plate is installed at the upper end of the guide cavity, the guide cavity is installed inside the cavity, and the connecting flanges are installed at two ends of the cavity;

the combined sleeve assembly comprises a driving seat assembly, a switching valve, a transition head and a sealing groove, the sealing groove is arranged at the lower end of the transition head, the switching valve is arranged at the upper end of the transition head, the driving seat assembly is arranged at the upper end of the switching valve, a switching rod assembly is arranged inside the driving seat assembly, the switching rod assembly is composed of a pinion, a connecting rod, a blocking plate, a limiting nut and an adjusting thread, the adjusting thread is arranged on the upper end of the connecting rod, the pinion is arranged at the upper end of the connecting rod, the blocking plate is arranged at the lower end of the connecting rod, and the limiting nut is arranged at the lower end of the blocking plate.

Furthermore, the combination sleeve assembly comprises a driving seat assembly, a switching valve, a transition head and a sealing groove, the sealing groove is arranged at the lower end of the transition head, the switching valve is arranged at the upper end of the transition head, and the driving seat assembly is arranged at the upper end of the switching valve.

Further, the driving seat assembly comprises a large gear, a connecting seat, a limiting thread and a sealing flange, the connecting seat is mounted at the upper end of the sealing flange, the large gear is mounted at the upper end of the connecting seat, and the limiting thread is arranged on the connecting seat.

Further, the switching rod assembly comprises a pinion, a connecting rod, a blocking plate, a limiting nut and an adjusting thread, the adjusting thread is arranged on the upper end of the connecting rod, the pinion is installed at the upper end of the connecting rod, the blocking plate is installed at the lower end of the connecting rod, and the limiting nut is installed at the lower end of the blocking plate.

Further, power assembly includes big drive wheel, little drive wheel, protection casing and connecting bolt, and connecting bolt installs at the protection casing lower extreme, and the inside big drive wheel that is provided with of protection casing, the left side of big drive wheel are provided with little drive wheel.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the bidirectional flow sealing regulating valve integrates the combined sleeve assembly and the switching rod assembly, effectively reduces the overall dimension of the regulating valve, reduces the space occupancy rate of the regulating valve, and can adapt to various complex environments.

2. This two-way flow seal governing valve sets up the closing plate in fluid flow intracavity portion, and when fluid passed through this governing valve, certain pressure can be applyed to the closing plate to fluid self, and then makes sealed safe and reliable more.

3. This two-way flow seal control valve is provided with big drive wheel and little drive wheel inside power assembly, can be through the accurate control combination cover assembly of drive wheel and the displacement of switching rod assembly, and then realize accurate control flow and pressure isoparametric.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an internal view of the overall structure of the present invention;

FIG. 3 is a schematic structural view of the regulating valve body of the present invention;

FIG. 4 is a schematic view of the structure of the combination sleeve assembly of the present invention;

fig. 5 is a schematic structural diagram of the switching lever assembly of the present invention.

In the figure: 1. a regulating valve body; 11. a connecting flange; 12. a cavity; 13. a cover plate; 14. a guide cavity; 2. A combination sleeve assembly; 21. a drive seat assembly; 211. a bull gear; 212. a connecting seat; 213. limiting threads; 214. sealing the flange; 22. a switching valve; 221. an air outlet; 222. an air inlet; 223. a valve body; 224. a guide seat; 23. a transition head; 24. a sealing groove; 3. a switch lever assembly; 31. a pinion gear; 32. a connecting rod; 33. a blocking plate; 34. a limit nut; 35. adjusting the screw thread; 4. a power assembly; 41. a large drive wheel; 42. a small drive wheel; 43. a protective cover; 44. and connecting the bolts.

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.

Referring to fig. 1-5, a two-way flow sealing control valve comprises a control valve body 1, a combination sleeve assembly 2, a switch rod assembly 3 and a power assembly 4, wherein the lower end of the power assembly 4 is provided with the switch rod assembly 3, the switch rod assembly 3 is arranged inside the combination sleeve assembly 2, the combination sleeve assembly 2 is arranged inside the control valve body 1, the control valve body 1 is composed of a connecting flange 11, a cavity 12, a cover plate 13 and a guide cavity 14, the upper end of the guide cavity 14 is provided with the cover plate 13, the guide cavity 14 is arranged inside the cavity 12, the connecting flanges 11 are arranged at two ends of the cavity 12, the combination sleeve assembly 2 comprises a driving seat assembly 21, a switching valve 22, a transition head 23 and a sealing groove 24, the sealing groove 24 is arranged at the lower end of the transition head 23, the upper end of the transition head 23 is provided with the switching valve 22, the upper end of the switching valve 22 is provided with the driving seat assembly 21, the switch rod assembly 3 is arranged inside the driving seat assembly 21, the switching rod assembly 3 is composed of a pinion 31, a connecting rod 32, a blocking plate 33, a limit nut 34 and an adjusting thread 35, the adjusting thread 35 is arranged on the upper part, the pinion 31 is arranged at the upper end of the connecting rod 32, the blocking plate 33 is arranged at the lower end of the connecting rod 32, the limit nut 34 is arranged at the lower end of the blocking plate 33, the driving seat assembly 21 comprises a large gear 211, a connecting seat 212, a limit thread 213 and a sealing flange 214, the connecting seat 212 is arranged at the upper end of the sealing flange 214, the large gear 211 is arranged at the upper end of the connecting seat 212, the limit thread 213 is arranged on the connecting seat 212, the switching valve 22 comprises an air outlet 221, an air inlet 222, a valve body 223 and a guide seat 224, the guide seat 224 is arranged at the upper end of the valve body 223, an air outlet 221 is arranged at the right side of the valve body 223, the air inlet 222 is arranged at the lower end of the valve body 223, the power assembly 4 comprises a large driving wheel 41, a small driving wheel 42, a protective cover 43 and a connecting bolt 44, the connecting bolt 44 is installed at the lower end of the protection cover 43, the large driving wheel 41 is arranged inside the protection cover 43, and the small driving wheel 42 is arranged on the left side of the large driving wheel 41.

In summary, the following steps: when the bidirectional flow sealing regulating valve is used, the regulating valve is connected to a fluid pipeline through the connecting flange 11 on the regulating valve body 1, when the flow direction of fluid moves from left to right, only the small driving wheel 42 on the power assembly 4 is needed to drive the driving seat assembly 21 on the combined sleeve assembly 2 to rotate, and the switching valve 22 is driven to move upwards when the driving seat assembly 21 moves, so that the valve core of the regulating valve is opened to enable the fluid to flow into the next pipeline through the regulating valve, and the opening size of the regulating valve is controlled by controlling the moving distance of the switching valve 22;

when fluid flows from right to left, the combination sleeve assembly 2 needs to be closed, the large driving wheel 41 on the power assembly 4 drives the switching rod assembly 3 to rotate, the switching rod assembly 3 drives the blocking plate 33 to move downwards during the rotation, so that the regulating valve is opened, and meanwhile, when the fluid flows through the regulating valve, the fluid applies pressure to the combination sleeve assembly 2, so that the sealing is safer and more reliable.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a two-way flow seal control valve, includes adjusting valve body (1), combination cover assembly (2), switching rod assembly (3) and power assembly (4), its characterized in that: the lower end of the power assembly (4) is provided with a switching rod assembly (3), the switching rod assembly (3) is installed inside a combined sleeve assembly (2), the combined sleeve assembly (2) is installed inside an adjusting valve body (1), the adjusting valve body (1) is composed of a connecting flange (11), a cavity body (12), a cover plate (13) and a guide cavity (14), the upper end of the guide cavity (14) is provided with the cover plate (13), the guide cavity (14) is installed inside the cavity body (12), and the two ends of the cavity body (12) are provided with the connecting flanges (11);

combination cover assembly (2) are including drive seat assembly (21), diverter valve (22), cross cab head (23) and seal groove (24), install at cab head (23) lower extreme seal groove (24), cross cab head (23) upper end and install diverter valve (22), drive seat assembly (21) are installed to diverter valve (22) upper end, drive seat assembly (21) internally mounted has switching rod assembly (3), switching rod assembly (3) are by pinion (31), connecting rod (32), closure plate (33), stop nut (34) and adjusting thread (35) are constituteed, adjusting thread (35) set up in connecting, pinion (31) are installed to connecting rod (32) upper end, closure plate (33) are installed to connecting rod (32) lower extreme, stop nut (34) are installed to closure plate (33) lower extreme.

2. The bi-directional flow seal regulator valve of claim 1 wherein: the driving seat assembly (21) comprises a large gear (211), a connecting seat (212), limiting threads (213) and a sealing flange (214), the connecting seat (212) is installed at the upper end of the sealing flange (214), the large gear (211) is installed at the upper end of the connecting seat (212), and the limiting threads (213) are arranged on the connecting seat (212).

3. The bi-directional flow seal regulator valve of claim 1 wherein: the switching valve (22) comprises an air outlet (221), an air inlet (222), a valve body (223) and a guide seat (224), the guide seat (224) is installed at the upper end of the valve body (223), the air outlet (221) is formed in the right side of the valve body (223), and the air inlet (222) is formed in the lower end of the valve body (223).

4. The bi-directional flow seal regulator valve of claim 1 wherein: the power assembly (4) comprises a large driving wheel (41), a small driving wheel (42), a protective cover (43) and a connecting bolt (44), wherein the connecting bolt (44) is installed at the lower end of the protective cover (43), the large driving wheel (41) is arranged inside the protective cover (43), and the small driving wheel (42) is arranged on the left side of the large driving wheel (41).