Modularized sanitary control valve

Abstract

The invention discloses a modularized sanitary control valve, which belongs to the field of sanitary valves, and comprises a valve body, a valve seat, a core rod and a valve cover, round valve cavities are formed in the valve body, and the valve cavities are communicated with one another. The core rod is configured to control closing and flow of the valve, and a control part of the core rod abuts against the interior of the connecting channel of the valve cavity; the valve seat and the valve deck are installed at the two ends of the control valve respectively and used for bearing and installing the control valve. The core rod is integrally machined and manufactured by a valve core and a valve rod, and the valve core is in an equal-percentage form. The modular system, the multiple valve bodies and the valve seats are combined, different circulation modes are formed according to different connections, adjustment can be conducted according to different requirements of users, the valve bodies and the valve seats are arranged and combined differently to be assembled into an angle-through valve, a straight-through valve or a three-way valve, and the advantages of being free of dead angles, residues and leakage, low in noise and the like are achieved; and the inner wall of the valve body is polished by a mirror, so that the valve is cleaner.

Description

Technical Field

[0001] The invention relates to the field of sanitary valves, in particular to a modular sanitary control valve. Background Art

[0002] Traditional sanitary control valves are old products from the 1980s and 1990s. The structure of this type of valve is outdated. When high-temperature, highly corrosive fluid media flow through it, the cavity is easily corroded and the leakage is large. There are still sanitary dead corners, which are easy to breed pollution, thereby reducing the service life. At the same time, the valve body and valve seat are one-piece design, and damaged parts cannot be replaced individually. If one part is damaged, the whole set must be replaced, which is costly and troublesome to disassemble and install. Summary of the invention

[0003] The purpose of the present invention is to provide a modular sanitary control valve to solve the problem raised in the above background technology that the cavity is prone to corrosion and has a large leakage, there are sanitary dead corners, and it is easy to breed pollution, thereby reducing the service life. At the same time, the valve body and valve seat are of one-piece design, and damaged parts cannot be replaced individually. If one part is damaged, the whole set must be replaced, which is costly.

[0004] To achieve the above object, the present invention provides the following technical solutions: a modular sanitary control valve, comprising a valve body, a valve seat, a core rod and a valve cover;

[0005] The valve body is provided with circular valve chambers, and the valve chambers are interconnected;

[0006] A core rod configured to control the closure and flow of the valve, wherein a control portion of the core rod abuts against a connecting passage of the valve chamber;

[0007] The valve seat and the valve cover are respectively installed at both ends of the control valve, and are used for supporting and installing the control valve;

[0008] The core rod is manufactured as an integrated valve core and valve stem, wherein the valve core is in an equal percentage form;

[0009] As a further preferred embodiment of the technical solution: the valve body is provided with a medium inlet and a medium outlet, respectively, and the medium inlet and the medium outlet are both connected to the valve chamber;

[0010] As a further preferred embodiment of the present technical solution: an O-ring is provided between the valve body and the valve seat, and an O-ring is also provided between the valve cover and the valve body;

[0011] As a further preferred embodiment of the technical solution: the bottom cover and the valve body are connected by a clamp;

[0012] As a further preferred embodiment of the present technical solution: the valve cover and the valve body are connected by a clamp

[0013] As a further preferred embodiment of the technical solution: a bushing is wound between the valve core and the valve cover, the bushing guides the movement of the valve core, and two sets of star-shaped sealing rings are installed between the valve core and the valve cover;

[0014] As a further preferred embodiment of the technical solution: a dust ring is provided on the top of the valve cover;

[0015] As a further preferred embodiment of the present technical solution: the O-ring, star-shaped sealing ring and dustproof ring all adopt radial sealing;

[0016] As a further preferred embodiment of the present technical solution: the valve seat is a metal hard seal.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The valve cavity form of the present invention optimizes the flow of the medium, has the advantages of no dead angle, no residue, no leakage, low noise, etc. The inner wall of the valve body is mirror polished, and the valve is cleaner to use;

[0019] 2. The nominal diameter of the valve in the present invention is the same as the inner diameter of the pipe, which facilitates cleaning inside the valve and ensures that there is no contamination inside the valve;

[0020] 3. In addition, the compact modular valve body connected by clamps can be easily assembled and disassembled without special tools;

[0021] 4. In addition, the valve is composed of multiple identical valve bodies and valve seats, with a simple structure. These valve bodies and valve seats can be used interchangeably, forming a vertically symmetrical structure. If one side is worn, it can be turned over to the other side for continued use, thereby reducing costs;

[0022] 5. Special sealing elements and dust rings can achieve good sealing of the core rod, ensuring the long-term safety of the valve body to avoid repeated maintenance;

[0023] 6. Modular system, multiple valve bodies and valve seats are combined to form different flow forms according to different connections. It can be adjusted according to different needs of users. Through different arrangements and combinations of valve bodies and valve seats, it can be assembled into angle valves, straight-through valves or three-way valves. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is the overall structure diagram of the angle valve;

[0025] Figure 2 This is the whole structure diagram of the straight-through valve;

[0026] Figure 3 This is the overall structure diagram of the three-way diverter valve;

[0027] Figure 4 This is the overall structure diagram of the three-way combining valve.

[0028] In the figure: 1. bottom cover; 2. valve body; 3. valve seat; 4. O-ring; 5. core rod; 6. star seal ring; 7. valve cover; 8. bushing; 9. dust ring; 10. medium inlet; 11. medium outlet. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Embodiment 1:

[0031] See also Figure 1-4 As shown, the present invention provides a technical solution: a modular sanitary control valve, comprising a valve body 2, a valve seat 3, a core rod 5 and a valve cover 7;

[0032] A circular valve chamber is provided in the valve body 2, and the valve chambers are interconnected;

[0033] The core rod 5 is configured to control the closing and flow of the valve, and the control portion of the core rod 5 abuts against the connecting channel of the valve chamber;

[0034] The valve seat 3 and the valve cover 7 are respectively installed at both ends of the control valve for supporting and installing the control valve;

[0035] The core rod 5 is manufactured as an integrated valve core and valve stem, wherein the valve core is in an equal percentage form.

[0036] In this embodiment, specifically: the valve body 2 is provided with a medium inlet 10 and a medium outlet 11 , respectively, and the medium inlet 10 and the medium outlet 11 are both communicated with the valve chamber.

[0037] In this embodiment, specifically: an O-ring 4 is provided between the valve body 2 and the valve seat 3 , and an O-ring 4 is also provided between the valve cover 7 and the valve body 2 .

[0038] In this embodiment, specifically: the bottom cover 1 and the valve body 2 are connected by a clamp.

[0039] In this embodiment, specifically: the valve cover 7 and the valve body 2 are connected by a clamp.

[0040] In this embodiment, specifically: a bushing 8 is wound between the valve core and the valve cover 7 , the bushing 8 guides the movement of the valve core, and two groups of star-shaped sealing rings 6 are installed between the valve core and the valve cover 7 .

[0041] In this embodiment, specifically: a dustproof ring 9 is arranged on the top of the valve cover 7 .

[0042] In this embodiment, specifically: the O-ring 4, the star-shaped sealing ring 6 and the dust ring 9 all adopt radial sealing.

[0043] In this embodiment, specifically: the valve seat 3 is a metal hard seal.

[0044] Embodiment 2:

[0045] See attached Figure 1 As shown, based on the first embodiment, the angle valve structure diagram is a valve body and a lower valve port that can form an angle valve, a spherical cavity is provided at the turning point of the channel between the medium inlet 10 and the medium outlet 11, two groups of O-rings 4 are provided between the lower valve port and the valve seat 3, two groups of O-rings 4 and a group of star-shaped sealing rings 6 are provided between the valve body 2 and the valve cover 7, and a dust ring 9 is installed at one end of the valve cover 7;

[0046] Embodiment three:

[0047] See attached Figure 2 As shown, based on the first embodiment, the structure diagram of the through valve is as follows;

[0048] The two groups 2 form a parallel relationship, two groups 4 are arranged between 2 and 3, and two groups 6 are arranged between 7 and 5, and the two spherical cavities are connected to each other;

[0049] Embodiment 4:

[0050] See attached Figure 3-4 As shown, on the basis of the first embodiment, according to the fluid action mode, it is divided into two types: diverter valve and merging valve. The diverter valve has one fluid inlet, and the fluid flows out from two fluid outlets after diversion; the merging valve has two inlets, and the fluid flows out from one outlet after merging, the bottom cover and the lower valve body; the valve cover 7 and the upper valve body 2 and the three valve bodies 2 are all connected in the form of clamps, and two valve seats 3 that are easy to disassemble and replace are respectively fixed in the middle of the two valve bodies 2. An O-ring 4 is provided at the connection between the valve inner parts to ensure the sealing of the valve. At the same time, there are two star-shaped sealing rings between the core rod 5 and the valve cover 7, and there is also a star-shaped sealing ring between the core rod 5 and the bottom cover 1. A dust ring 9 is also designed on the top of the valve cover 7, and a bushing 8 is wrapped between the core rod 5 and the valve cover 7. The uppermost end can be connected with a linear pneumatic actuator and guided by the bushing 8. Under the drive of the linear pneumatic actuator, it can move back and forth linearly up and down in the valve body 2.

[0051] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A modular sanitary control valve, characterized in that: It comprises a valve body (2), a valve seat (3), a core rod (5) and a valve cover (7); The valve body (2) is provided with circular valve chambers, and the valve chambers are interconnected; A core rod (5) configured to control the closure and flow of the valve, wherein a control portion of the core rod (5) abuts against a connecting channel of the valve chamber; The valve seat (3) and the valve cover (7) are respectively installed at two ends of the control valve, and are used for supporting and installing the control valve; The core rod (5) is manufactured by integrally processing the valve core and valve stem, wherein the valve core is in an equal percentage form.

2. A modular sanitary control valve according to claim 1, characterized in that: The valve body (2) is provided with a medium inlet (10) and a medium outlet (11), respectively, and the medium inlet (10) and the medium outlet (11) are both connected to the valve chamber.

3. A modular sanitary control valve according to claim 2, characterized in that: An O-ring (4) is provided between the valve body (2) and the valve seat (3), and an O-ring (4) is also provided between the valve cover (7) and the valve body (2).

4. A modular sanitary control valve according to claim 3, characterized in that: The bottom cover (1) and the valve body (2) are connected by means of a clamp.

5. A modular sanitary control valve according to claim 4, characterized in that: The valve cover (7) and the valve body (2) are connected by means of a clamp.

6. A modular sanitary control valve according to claim 5, characterized in that: A bushing (8) is wound between the valve core and the valve cover (7), and the bushing (8) guides the movement of the valve core. Two groups of star-shaped sealing rings are installed between the valve core and the valve cover (7).

7. A modular sanitary control valve according to claim 6, characterized in that: A dust ring (9) is provided on the top of the valve cover (7).

8. A modular sanitary control valve according to claim 7, characterized in that: The O-ring (4), star-shaped sealing ring and dustproof ring (9) all adopt radial sealing.

9. A modular sanitary control valve according to claim 8, characterized in that: The valve seat (3) is a metal hard seal.

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