CN214367772U

CN214367772U - Improved high-performance program control valve

Info

Publication number: CN214367772U
Application number: CN202120421145.4U
Authority: CN
Inventors: 项光中; 胡宝
Original assignee: Zhejiang Zhanxude Automation Control Valve Co ltd
Current assignee: Zhejiang Zhanxude Automation Control Valve Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-10-08
Anticipated expiration: 2031-02-24

Abstract

The utility model relates to a program control valve technical field specifically is a modified high performance program control valve, including the disk seat, the valve pocket has been seted up to disk seat top intermediate position, and the disk seat both sides are equipped with two connecting tube, and the valve gap is ann at the disk seat top, and open at the valve gap top has the guiding hole, and it has the valve rod to slide in the guiding hole even, and even there is the case bottom the valve rod, and the valve rod top is connected with the connecting block, and the valve gap top is located the connecting block outside and is equipped with the installing support, and the installing support top ann has pneumatic valve body, and pneumatic valve body's piston rod is vertical downwards and its bottom is fixed on the connecting block. This modified high performance programmable valve separately sets up the valve rod of programmable valve, case, connecting block and pneumatic valve body's piston rod to it is fixed through threaded connection or through screw locking, in the use, after spare parts such as case valve rod wear damage, to it change alone can, need not whole change, can effectively reduce use cost, change the process simultaneously simply facilitates the use.

Description

Improved high-performance program control valve

Technical Field

The utility model relates to a programmable valve technical field specifically is a modified high performance programmable valve.

Background

The program control valve is a cut-off valve driven by pneumatic, hydraulic and other modes, is connected with a DCS distributed control system or a PLC (programmable logic controller), realizes remote control of computer programs, has wide application in pressure swing adsorption gas separation industries such as methanol cracking hydrogen production, alcohol drying, vinyl chloride concentration recovery, polysilicon tail gas recovery, nitrogen production, oxygen production, carbon dioxide recovery and the like, is key equipment of a pressure swing adsorption device, is an important part for ensuring smooth completion of each process of pressure swing adsorption and reliable operation of the system, is frequently actuated and easily worn and damaged in the use process, and most parts such as a valve core and a valve rod of the existing program control valve are in an integrally formed structure, and need to be integrally replaced after an individual part is damaged in the use process, so that the use cost is high, the replacement process is complicated and inconvenient to use, in view of this, we propose an improved high performance programmable valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modified high performance programme-controlled valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a modified high performance programmable valve, includes the disk seat, the valve pocket has been seted up to disk seat top intermediate position, the disk seat both sides are equipped with the connecting tube of two symmetries, set up the interface channel who is linked together with the valve pocket in the connecting tube, the valve gap is installed at the disk seat top, valve gap top intermediate position sets up the guiding hole that runs through, sliding connection has the valve rod in the guiding hole, valve rod lower extreme extends to in the valve pocket and its bottom is connected with the case, the case lateral wall laminates with the valve pocket lateral wall, the valve rod top is connected with the connecting block, the valve gap top is located the outside installing support that is equipped with of connecting block, pneumatic valve body is installed at installing support top, pneumatic valve body's piston rod is vertical downwards and its bottom is fixed on the connecting block.

Preferably, the connecting pipeline and the valve seat are of an integrally formed structure, and a connecting flange which is of an integrally formed structure is arranged at the tail end of the outer side wall of the connecting pipeline.

Preferably, a first groove is formed in the edge of the top of the inner side wall of the valve cavity, a first sealing gasket is embedded in the first groove, and the top of the first sealing gasket is attached to the bottom of the valve cover.

Preferably, the valve stem has an outer diameter sized to fit the inner diameter of the guide bore through which the valve stem passes and is slidably coupled.

Preferably, the top of the valve core is provided with a first connecting hole, the bottom of the valve rod is coaxially connected with a first connecting screw rod which is in an integrally formed structure, and the first connecting screw rod is in threaded connection with the first connecting hole to fix the valve core.

Preferably, a second groove is formed in the outer side wall of the valve core, a second sealing washer is embedded in the second groove, and the outer side wall of the second sealing washer is attached to the inner side wall of the valve cavity.

Preferably, the top of the valve rod is coaxially connected with a second connecting screw rod which is in an integrally formed structure, a second connecting hole is formed in the middle of the bottom of the connecting block, and the second connecting screw rod is in threaded connection with the second connecting hole to fix the connecting block.

Preferably, the edge of the bottom of the outer side wall of the piston rod of the pneumatic valve body is provided with a connecting plate which is of an integrally formed structure, and the connecting plate is locked and fixed on the connecting block through screws.

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

this modified high performance programmable valve separately sets up the valve rod of programmable valve, case, connecting block and pneumatic valve body's piston rod to it is fixed through threaded connection or through screw locking, in the use, after spare parts such as case valve rod wear damage, to it change alone can, need not whole change, can effectively reduce use cost, change the process simultaneously simply facilitates the use.

Drawings

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

FIG. 2 is a sectional view of the valve seat of the present invention;

fig. 3 is a schematic structural view of the middle valve cover of the present invention;

FIG. 4 is a schematic structural view of the valve stem of the present invention;

FIG. 5 is a schematic structural view of the valve core of the present invention;

fig. 6 is a schematic structural view of the connecting block of the present invention;

fig. 7 is a schematic structural view of the pneumatic valve body of the present invention.

In the figure:

1. a valve seat; 10. a valve cavity; 11. connecting a pipeline; 110. a connecting channel; 111. a connecting flange; 12. a first groove; 13. a first sealing gasket;

2. a valve cover; 20. a guide hole;

3. a valve stem; 30. a first connecting screw; 31. a second connecting screw;

4. a valve core; 40. a first connection hole; 41. a second groove; 42. a second sealing gasket;

5. connecting blocks; 50. a second connection hole;

6. mounting a bracket;

7. a pneumatic valve body; 70. a connecting plate.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-7, the present invention provides a technical solution:

an improved high-performance program control valve comprises a valve seat 1, a valve cavity 10 is arranged in the middle of the top of the valve seat 1, two symmetrical connecting pipelines 11 are arranged on two sides of the valve seat 1, a connecting channel 110 communicated with the valve cavity 10 is arranged in the connecting pipeline 11, a valve cover 2 is arranged on the top of the valve seat 1, a through guide hole 20 is arranged in the middle of the top of the valve cover 2, a valve rod 3 is connected in the guide hole 20 in a sliding mode, the outer diameter of the valve rod 3 is matched with the inner diameter of the guide hole 20, the valve rod 3 penetrates through the guide hole 20 and is connected with the guide hole in a sliding mode, the lower end of the valve rod 3 extends into the valve cavity 10, the bottom of the valve rod 3 is connected with a valve core 4, the outer side wall of the valve core 4 is attached to the inner side wall of the valve cavity 10, a connecting block 5 is connected to the top of the valve rod 3, a mounting support 6 is arranged outside the connecting block 5 at the top of the valve cover 2, a pneumatic valve body 7 is arranged at the top of the mounting support 6, the piston rod of the pneumatic valve body 7 is vertically downward, and the bottom of the pneumatic body is fixed on the connecting block 5, in the use process, the piston rod of the pneumatic valve body 7 stretches to drive the connecting block 5 and the valve rod 3 to move up and down along the guide hole 20, so that the valve core 4 is driven to move up and down, the on-off between the two connecting channels 110 is controlled through the position of the valve core 4 in the valve cavity 10, and the control effect is realized.

In the embodiment, the top of the valve core 4 is provided with a first connecting hole 40, the bottom of the valve rod 3 is coaxially connected with a first connecting screw rod 30 which is in an integrally formed structure with the valve rod, the first connecting screw rod 30 is in threaded connection with the first connecting hole 40 to fix the valve core 4, the top of the valve rod 3 is coaxially connected with a second connecting screw rod 31 which is in an integrally formed structure with the valve rod, the middle position of the bottom of the connecting block 5 is provided with a second connecting hole 50, the second connecting screw rod 31 is in threaded connection with the second connecting hole 50 to fix the connecting block 5, the bottom edge of the outer side wall of the piston rod of the pneumatic valve body 7 is provided with a connecting plate 70 which is in an integrally formed structure with the piston rod, the connecting plate 70 is locked and fixed on the connecting block 5 through screws, the valve rod 3, the valve core 4, the connecting block 5 and the piston rod of the pneumatic valve body 7 are separately arranged and fixed through threaded connection or screw locking, in the using process, when the valve core 4 and the valve rod 3 are worn and damaged, the parts can be replaced independently without integral replacement, so that the use cost can be effectively reduced, and meanwhile, the replacement process is simple and convenient to use.

In addition, a first groove 12 is formed in the edge of the top of the inner side wall of the valve cavity 10, a first sealing washer 13 is embedded in the first groove 12, the top of the first sealing washer 13 is attached to the bottom of the valve cover 2, the first sealing washer 13 is made of rubber, the sealing performance between the valve cover 2 and the valve seat 1 is improved through the first sealing washer 13, and liquid leakage is prevented; the outer side wall of the valve core 4 is provided with a second groove 41, a second sealing washer 42 is embedded in the second groove 41, the outer side wall of the second sealing washer 42 is attached to the inner side wall of the valve cavity 10, the second sealing washer 42 is made of rubber, the sealing performance between the valve core 4 and the inner side wall of the valve cavity 10 is improved through the second sealing washer 42, and liquid leakage in the using process is prevented.

Further, the tail end of the outer side wall of the connecting pipeline 11 is provided with a connecting flange 111 which is of an integrally formed structure, so that the connecting pipeline 11 is conveniently connected to a using pipeline through the connecting flange 11, and the whole programmable valve is fixedly installed.

Specifically, connecting tube 11 is the integrated into one piece structure with disk seat 1, and the integrated into one piece structure is convenient for produce, and the product size precision of producing is high, saves raw materials, and integrated into one piece stable in structure, non-deformable damage, long service life in the use.

Before the improved high-performance programmable valve is used, a worker firstly checks the integrity of the device and whether the connection of all parts is firm; then, connecting the connecting pipeline 11 to a using pipeline through a connecting flange 11, and further installing and fixing the whole program control valve; in the use process, the piston rod of the pneumatic valve body 7 stretches to drive the connecting block 5 and the valve rod 3 to move up and down along the guide hole 20, so as to drive the valve core 4 to move up and down, and the on-off of the two connecting channels 110 is controlled through the position of the valve core 4 in the valve cavity 10, so that the control effect is realized; meanwhile, after the components such as the valve core 4 and the valve rod 3 are worn and damaged, the components can be replaced independently without integral replacement, the use cost can be effectively reduced, and meanwhile, the replacement process is simple and convenient to use.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An improved high-performance programmable valve comprises a valve seat (1), and is characterized in that: the valve cavity (10) is arranged in the middle of the top of the valve seat (1), two symmetrical connecting pipelines (11) are arranged on two sides of the valve seat (1), a connecting channel (110) communicated with the valve cavity (10) is arranged in the connecting pipeline (11), the valve cover (2) is installed on the top of the valve seat (1), a through guide hole (20) is formed in the middle of the top of the valve cover (2), a valve rod (3) is slidably connected in the guide hole (20), the lower end of the valve rod (3) extends into the valve cavity (10), the bottom of the valve rod (3) is connected with a valve core (4), the outer side wall of the valve core (4) is attached to the inner side wall of the valve cavity (10), a connecting block (5) is connected to the top of the valve rod (3), an installing support (6) is arranged outside the connecting block (5) at the top of the valve cover (2), and a pneumatic valve body (7) is installed at the top of the installing support (6), the piston rod of the pneumatic valve body (7) is vertically downward, and the bottom of the piston rod is fixed on the connecting block (5).

2. The improved high performance programmable valve of claim 1 wherein: connecting tube (11) are integrated into one piece structure with disk seat (1), just connecting tube (11) lateral wall end is equipped with flange (111) rather than being integrated into one piece structure.

3. The improved high performance programmable valve of claim 1 wherein: first recess (12) have been seted up at valve pocket (10) inside wall top edge, it has first seal ring (13) to inlay in first recess (12), first seal ring (13) top is laminated with valve gap (2) bottom.

4. The improved high performance programmable valve of claim 1 wherein: the outer diameter of the valve rod (3) is matched with the inner diameter of the guide hole (20), and the valve rod (3) penetrates through the guide hole (20) and is connected with the guide hole in a sliding mode.

5. The improved high performance programmable valve of claim 1 wherein: the top of the valve core (4) is provided with a first connecting hole (40), the bottom of the valve rod (3) is coaxially connected with a first connecting screw rod (30) which is of an integrally formed structure, and the first connecting screw rod (30) is in threaded connection with the first connecting hole (40) to fix the valve core (4).

6. The improved high performance programmable valve of claim 1 wherein: a second groove (41) is formed in the outer side wall of the valve core (4), a second sealing washer (42) is embedded into the second groove (41), and the outer side wall of the second sealing washer (42) is attached to the inner side wall of the valve cavity (10).

7. The improved high performance programmable valve of claim 1 wherein: other coaxial coupling in valve rod (3) top has second connecting screw (31) rather than being integrated into one piece structure, second connecting hole (50) have been seted up to connecting block (5) bottom intermediate position, second connecting screw (31) threaded connection will in second connecting hole (50) connecting block (5) are fixed.

8. The improved high performance programmable valve of claim 1 wherein: the pneumatic valve is characterized in that a connecting plate (70) which is of an integrally formed structure is arranged at the bottom edge of the outer side wall of the piston rod of the pneumatic valve body (7), and the connecting plate (70) is fixed on the connecting block (5) through screws in a locking mode.