Regulating valve assembly

Abstract

The utility model discloses a regulating valve assembly, and relates to the technical field of regulating valves. The valve comprises a valve body, a first cavity and a second cavity are formed in the two sides of the valve body respectively, a through hole is formed between the first cavity and the second cavity, an inner cavity of the first cavity is fixedly connected with a limiting shell, an inner cavity of the limiting shell is connected with two valve elements in a sliding mode, inner cavities of the valve elements are fixedly connected with four fixing rods, and the fixing rods are fixedly connected with the limiting shell. And movable rods are fixedly connected between the opposite sides of the eight fixed rods. The inner diameter of the through hole, the inner diameter of the limiting shell and the inner diameter of the valve element are the same vertical point, so that the valve element has good stability in the moving process, the valve element can better play a role in opening and closing in the using process, and circulation or blocking of water in the valve body is facilitated; and in consideration that the valve element needs to be repaired and maintained after being used for a long time, a user can replace or maintain the valve element conveniently due to the arrangement of the sealing block.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of governing valve, especially relates to a governing valve assembly. BACKGROUND

[0002] The governing valve is used for adjusting the medium flow, pressure, temperature, liquid level and other process parameters in the industrial automation process control field, and automatically adjusts the opening degree of the valve according to the control signal in the automation system, so that the medium flow, pressure, temperature and liquid level are adjusted.

[0003] The working stroke of the valve core in the valve body of the existing governing valve is large, so the water in the valve body cannot be quickly circulated or blocked, and the existing governing valve cannot quickly drain and lock water, and the valve core will be damaged after long-term use, but the existing governing valve cannot replace the valve core, so it is inconvenient to replace or maintain the valve core. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of governing valve assemblies, by the cooperation of valve body, first cavity, second cavity, through hole, limit shell, valve core, fixed rod, movable rod, fixed ring, support rod, pneumatic valve, connecting plate, sliding sleeve, limit ring, sealing block and sealing ring, solve the working stroke of the valve core in the valve body in prior art is large, so the water in the valve body cannot be quickly circulated or blocked, simultaneously inconvenient to replace or maintain the valve core Problem.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme.

[0006] The utility model discloses a kind of governing valve assemblies, including valve body, first cavity and second cavity are respectively set in the two sides of the valve body, through hole is set between the first cavity and the second cavity, the inner chamber of the first cavity is fixedly connected with limit shell, the inner chamber of the limit shell is slidably connected with two valve cores, the inner chamber of the valve core is fixedly connected with four fixed rods, the opposite side between eight fixed rods is fixedly connected with movable rod, the top of the valve body is fixedly connected with fixed ring by bolt, the top of the fixed ring is fixedly connected with support rod on both sides, pneumatic valve is fixedly connected with connecting plate in the output end of the pneumatic valve, the bottom of the connecting plate is fixedly connected with movable rod.

[0007] The utility model is further provided with, the both sides of the connecting plate are fixedly connected with sliding sleeve, the inner chamber of the sliding sleeve is slidably connected with the surface of support rod.

[0008] The utility model further sets up, the top fixed connection of movable rod surface has the limit ring, the top of limit ring is fixedly connected with connecting plate.

[0009] The utility model further sets up, the inner chamber of valve body is connected with sealing block, the inner chamber of sealing block is connected with movable rod surface.

[0010] The utility model further sets up, the bottom fixed connection of sealing block has sealing ring, the inner wall of valve body is movably connected with the one side of sealing ring close to valve body inner wall, the inner chamber of sealing ring is movably connected with movable rod.

[0011] The utility model further sets up, the limit shell is integrally formed structure, the overall shape of limit shell is hollow cylinder.

[0012] The utility model has following beneficial effect.

[0013] 1, the utility model discloses a through -hole, limit shell and the inner diameter of valve core is same vertical point, therefore, when valve core moves, has good stability, and valve core can better play the function of switch in the use process, and the water circulation or obstruction in the valve body is convenient, when setting sealing block, considering that valve core needs to be maintained after long -time use, therefore, the setting of sealing block is convenient for user to replace or maintain valve core.

[0014] 2, the utility model discloses the sliding sleeve setting, when connecting plate is in the process of moving, plays the limiting effect of connecting plate, through setting limit ring, plays the fixed effect of movable rod, through setting sealing block, convenient for user to replace or maintain valve core, through setting sealing ring, effectively guarantee the sealing property of valve body, thereby, plays good water locking effect, through setting integrally formed structure's limit shell, cooperate valve core's use, and the water circulation or obstruction in the valve body is convenient. ACCURACY OF DRAWINGS

[0015] In order to make the technical scheme of the embodiments of the utility model more clearly, the following will briefly introduce the drawings needed to be used in the embodiment description.

[0016] Figure 1 It is a kind of regulating valve assembly perspective view.

[0017] Figure 2 It is a kind of regulating valve assembly partial structure sectional view.

[0018] Figure 3 It is a kind of regulating valve assembly limit shell and valve core sectional view schematic view.

[0019] Figure 4 It is a kind of regulating valve assembly limit shell schematic view.

[0020] In the drawings: 1, valve body; 2, first cavity; 3, second cavity; 4, through hole; 5, limiting shell; 6, valve core; 7, fixed rod; 8, movable rod; 9, fixed ring; 10, support rod; 11, pneumatic valve; 12, connecting plate; 13, sliding sleeve; 14, limiting ring; 15, sealing block; 16, sealing ring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be described below with reference to the drawings in the embodiments of the utility model. The described embodiments are only some of the embodiments of the utility model, not all of the embodiments.

[0022] Embodiment one

[0023] Please refer to Figures 1-4 The utility model discloses a regulating valve assembly, including valve body 1, the inner chamber of valve body 1 is connected with sealing block 15 by screw thread, the inner chamber of sealing block 15 is connected with the surface of movable rod 8 slidingly, the both sides of valve body 1 are set up with first cavity 2 and second cavity 3 respectively, and the through hole 4 is set up between first cavity 2 and second cavity 3, the inner chamber of first cavity 2 is fixedly connected with limiting shell 5, the inner chamber of limiting shell 5 is connected with two valve cores 6 slidingly, the inner chamber of valve core 6 is fixedly connected with four fixed rods 7, the opposite side between eight fixed rods 7 is fixedly connected with movable rod 8, the top of valve body 1 is fixedly connected with fixed ring 9 through bolt, the both sides of the top of fixed ring 9 are fixedly connected with support rod 10, the top between two support rods 10 is fixedly connected with pneumatic valve 11, the output end of pneumatic valve 11 is fixedly connected with connecting plate 12, and the bottom of connecting plate 12 is fixedly connected with movable rod 8.

[0024] Embodiment two

[0025] Please refer to Figures 1-4 On the basis of embodiment one, the both sides of connecting plate 12 are fixedly connected with sliding sleeve 13, the inner chamber of sliding sleeve 13 is connected with the surface of support rod 10 slidingly, the top of movable rod 8 surface is fixedly connected with limiting ring 14, the top of limiting ring 14 is fixedly connected with connecting plate 12, the bottom of sealing block 15 is fixedly connected with sealing ring 16, the side of sealing ring 16 close to the inner wall of valve body 1 is movably connected with the inner wall of valve body 1, the inner chamber of sealing ring 16 is movably connected with movable rod 8, limiting shell 5 is the structure of one body, and the overall shape of limiting shell 5 is hollow cylinder.

[0026] Specifically: by setting the sliding sleeve 13, when the connecting plate 12 is moving, it plays a role in limiting the connecting plate 12; by setting the limiting ring 14, it plays a role in fixing the movable rod 8; by setting the sealing block 15, it is convenient for the user to replace or maintain the valve core 6; by setting the sealing ring 16, the sealing performance of the valve body 1 is effectively guaranteed, thereby playing a good water-locking role; by setting the limiting shell 5 with an integrally formed structure, in conjunction with the use of the valve core 6, the circulation or blocking of water inside the valve body 1 is facilitated.

[0027] The working principle of the present utility model is: when water needs to flow through the valve body 1, the output end of the pneumatic valve 11 will drive the connecting plate 12 to move downward, and the connecting plate 12 will drive the movable rod 8 to move downward when moving downward, and the movable rod 8 will drive the valve core 6 to move through the fixed rod 7 when moving downward. At this time, the top valve core 6 will move to the middle of the limit shell 5, and the bottom valve core 6 will enter the inner cavity of the through hole 4. At this time, water will flow through the first cavity 2 to the second cavity 3, thereby completing the circulation of water. When the user needs to replace the valve core 6, the user will separate the fixing ring 9 and the valve body 1, and then remove the sealing block 15. At this time, the user can take out the valve core 6, which is convenient for replacing or maintaining the valve core 6.

[0028] The standard parts used in the present invention can all be purchased from the market, and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology. The control method is automatically controlled by a control unit. The control circuit of the control unit can be implemented by simple programming by technicians in this field, which is common knowledge in this field. Therefore, the control method and circuit connection are no longer explained in detail in the present invention.

[0029] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to only the specific implementation methods described. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that technicians in the relevant technical field can better understand and utilize the present invention.

Claims

1. A regulating valve assembly, comprising a valve body (1), characterized in that: A first cavity (2) and a second cavity (3) are respectively provided on both sides of the valve body (1), a through hole (4) is provided between the first cavity (2) and the second cavity (3), the inner cavity of the first cavity (2) is fixedly connected to a limit shell (5), the inner cavity of the limit shell (5) is slidably connected to two valve cores (6), the inner cavity of the valve core (6) is fixedly connected to four fixed rods (7), and a movable rod (8) is fixedly connected between opposite sides of the eight fixed rods (7), the top of the valve body (1) is fixedly connected to a fixing ring (9) by bolts, both sides of the top of the fixing ring (9) are fixedly connected to support rods (10), a pneumatic valve (11) is fixedly connected between the tops of the two support rods (10), the output end of the pneumatic valve (11) is fixedly connected to a connecting plate (12), and the bottom of the connecting plate (12) is fixedly connected to the movable rod (8).

2. A regulating valve assembly according to claim 1, characterized in that: Both sides of the connecting plate (12) are fixedly connected with a sliding sleeve (13), and the inner cavity of the sliding sleeve (13) is slidably connected to the surface of the support rod (10).

3. The regulating valve assembly according to claim 1, characterized in that: The top of the surface of the movable rod (8) is fixedly connected to a limiting ring (14), and the top of the limiting ring (14) is fixedly connected to the connecting plate (12).

4. The regulating valve assembly according to claim 1, characterized in that: The inner cavity of the valve body (1) is threadedly connected to a sealing block (15), and the inner cavity of the sealing block (15) is slidably connected to the surface of the movable rod (8).

5. The regulating valve assembly according to claim 4, characterized in that: The bottom of the sealing block (15) is fixedly connected to a sealing ring (16), and the side of the sealing ring (16) close to the inner wall of the valve body (1) is movably connected to the inner wall of the valve body (1), and the inner cavity of the sealing ring (16) is movably connected to the movable rod (8).

6. The regulating valve assembly according to claim 1, characterized in that: The limiting shell (5) is an integrally formed structure, and the overall shape of the limiting shell (5) is a hollow cylinder.

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