CN111043534A - Anti-mixing valve array - Google Patents

Abstract

An anti-mix valve array comprising: at least two material tanks are communicated through a communication pipeline; each material tank is correspondingly provided with at least one anti-mixing valve, and the anti-mixing valves are arranged on the communicating pipelines to control the branches of the communicating pipelines to be opened or closed; the anti-leakage detection device is arranged on the anti-mixing valve, and a detention cavity is arranged in the circumferential direction of the valve core of the anti-mixing valve; leak-proof detection apparatus comprising: a leak-proof valve body; a conduit passageway disposed within the leak-tight valve body, the conduit passageway comprising: a liquid inlet communicated with the detention cavity and a liquid outlet used for detecting whether the medium has liquid leakage; a seal drivingly disposed on the line channel, the seal having a closed position blocking the line channel and an open position placing the line channel in communication; the problem that the existing valve array cannot detect whether the valve has a liquid leakage phenomenon or not is solved by providing the anti-mixing valve array.

Description

Anti-mixing valve array

Technical Field

The invention relates to the technical field of valves, in particular to an anti-mixing valve array.

Background

The storage tank is a tank body which is used for bearing a finished product before filling after various raw materials of the beverage are injected into the tank for mixing and stirring, is widely applied to industries such as food, beverage, dairy products, pharmacy, chemical industry and the like, plays an important role in production and use, and is a valve array consisting of anti-mixing valves; the anti-mixing valve is a valve for preventing fluid products from being mixed with each other, is widely applied to the anti-mixing valve and has a high-precision sanitary double-sealing valve, a valve seat is separated by two fluid pipelines, synchronous work can be realized in a valve body, and the mixed flow and the pollution possibility of materials are effectively prevented.

Wherein, the good advantage of leakproofness of anti-mixing valve battle array in order to guarantee in the use, generally can add the sealing washer in the circumferential direction of anti-mixing valve case, effect through the sealing washer can strengthen the case and close the sealed effect when valve, prevent that the fluid medium between the communicating pipe from taking place to mix, however, anti-mixing valve is in the in-service use in-process, the case realizes valve opening action and valve closing action repeatedly, can cause the wearing and tearing of sealing washer in the past for a long time, lead to the leakage phenomenon after the valve is closed to take place, however in prior art, only after the liquid reduces more in the storing jar, operating personnel just can discover the problem that the weeping takes place for the valve. The problem that the leakage of the valve is difficult to find by an operator is caused, the material in the storage tank valve group is wasted, and the cost of a merchant is increased; in addition, when the sealing ring of the anti-mixing valve is worn, the material can flow from one communication pipeline to the other communication pipeline, and the problem of cross contamination of the material among the communication pipelines can be caused.

Disclosure of Invention

Therefore, the technical problem to be solved by the present invention is that the existing anti-mixing valve array cannot detect whether the valve has a liquid leakage connection pipeline phenomenon, and therefore, the present invention provides an anti-mixing valve array, which includes: at least two material tanks are communicated through a communicating pipeline; each material tank is correspondingly provided with at least one anti-mixing valve, and the anti-mixing valves are arranged on the communicating pipelines to control the branches of the communicating pipelines to be opened or closed; the leakage-proof detection device is arranged on the anti-mixing valve, and a detention cavity is arranged in the circumferential direction of a valve core of the anti-mixing valve; the leak-proof detection apparatus includes: a leak-proof valve body; a conduit passageway disposed within the leak-tight valve body, the conduit passageway comprising: a liquid inlet communicated with the detention cavity and a liquid outlet used for detecting whether the medium has liquid leakage; a seal drivingly disposed on the line channel, the seal having a closed position blocking the line channel and an open position placing the line channel in communication.

The communication line includes: the number of the first branch pipes is at least two, and each material tank is directly connected with at least one first branch pipe; at least two second branch pipes are communicated with the first branch pipes in a staggered manner; the anti-mixing valve is arranged at the communication position of the first branch pipe and the second branch pipe.

The leak detection apparatus further comprises: the driving piece is connected with the sealing piece and drives the sealing piece to move towards the inner cavity of the valve body of the leakage-proof valve so as to close the liquid inlet; a biasing member coupled to the sealing member and configured to apply a biasing force toward the sealing member to move the sealing member toward the open position.

The driving piece is an air pump communicated with the inner cavity of the valve body of the leakage-proof valve, and the air pump introduces a medium into the valve body of the leakage-proof valve to drive the sealing piece to move to the closed position.

And the mixing prevention valve is also provided with a cleaning valve, and the cleaning valve is connected with a detention cavity arranged in the circumferential direction of a valve core of the mixing prevention valve.

The purge valve includes: cleaning the valve body of the valve; a conduit channel disposed within the purge valve body, the conduit channel comprising: the cleaning port is communicated with the detention cavity, and the liquid passing port is used for introducing cleaning liquid; a seal drivingly disposed on the line channel, the seal having a closed position blocking the line channel and an open position placing the line channel in communication; the driving piece is connected with the sealing piece and drives the sealing piece to move towards the inner cavity of the valve body of the cleaning valve so as to close the cleaning port; and the biasing member is connected with the sealing member and applies a biasing force towards the sealing member to move the sealing member towards the opening position of the cleaning opening.

The biasing element is a compression spring sleeved on the sealing element; the anti-leakage valve body and/or the inner cavity of the cleaning valve body are provided with an annular accommodating cavity, the sealing element is provided with an annular boss, one end of the pressure spring is accommodated in the annular accommodating cavity, and the other end of the pressure spring is connected with the annular boss in an abutting mode.

The anti-mix valve further comprises: a cylinder; the piston ring is arranged in the cylinder and is connected with the valve core; a biasing member coupled to the piston ring and the cylinder, respectively, the biasing member applying a biasing force toward the piston ring to move toward the valve to effect valve closure; an air pump; passing a medium toward the cylinder, compressing the biasing member to effect valve opening.

The sealing element is driven by the driving piece to move towards the inner cavity of the anti-mixing valve body so as to close the liquid inlet and/or the cleaning port; the driving piece is an air pump which is respectively communicated with the valve body of the leakage-proof valve and the inner cavity of the air cylinder through a three-way joint.

And the valve core is provided with annular sealing rings which are respectively positioned on the upper side and the lower side of the detention cavity and are arranged along the circumferential direction of the valve core.

The technical scheme of the invention has the following advantages:

1. the invention provides a valve array of a mixing prevention valve, which comprises: at least two material tanks are communicated through a communicating pipeline; each material tank is correspondingly provided with at least one anti-mixing valve, and the anti-mixing valves are arranged on the communicating pipelines to control the branches of the communicating pipelines to be opened or closed; the leakage-proof detection device is arranged on the anti-mixing valve, and a detention cavity is arranged in the circumferential direction of a valve core of the anti-mixing valve; the leak-proof detection apparatus includes: a leak-proof valve body; a conduit passageway disposed within the leak-tight valve body, the conduit passageway comprising: a liquid inlet communicated with the detention cavity and a liquid outlet used for detecting whether the medium has liquid leakage; a seal drivingly disposed on the line channel, the seal having a closed position blocking the line channel and an open position placing the line channel in communication. Through the anti-mixing valve array consisting of the anti-mixing valves, the liquids in the storage tanks can be effectively adjusted to be mixed with each other or isolated from each other. The user can adjust the opening and closing of each anti-mixing valve according to actual need, realizes different user demands. In prior art, only after the liquid in the storing jar reduces more, operating personnel can just discover through the naked eye that the valve takes place the weeping. The material in the storage tank valve group is wasted, and the cost of a merchant is increased; in addition, when the sealing ring of the anti-mixing valve is worn, materials can flow from one communication pipeline to the other communication pipeline, and cross contamination of the materials among the communication pipelines can be caused. In the scheme, the anti-leakage detection device is arranged on the anti-mixing valve, when leakage exists in a retention cavity arranged in the circumferential direction of a valve core of the anti-mixing valve, the leakage can enter a liquid inlet communicated with the retention cavity, then enters the pipeline channel through the liquid inlet, and flows out of a leakage liquid outlet for detecting whether a medium has leakage, and whether the valve core can play an effective sealing effect can be known in advance through detecting the leakage liquid outlet; so as to take measures such as replacing the sealing ring in time, improve the sealing effect of the tank bottom valve core, prevent the material waste, save the cost of the merchant, and prevent the cross contamination of the liquid.

2. The invention provides an anti-mixing valve array, wherein a communication pipeline comprises: the number of the first branch pipes is at least two, and each material tank is directly connected with at least one first branch pipe; at least two second branch pipes are communicated with the first branch pipes in a staggered manner; the anti-mixing valve is arranged at the communication position of the first branch pipe and the second branch pipe; through prevent mixing valve with first branch pipe and/or the cooperation of second branch pipe can pass through the material between the different material jars first branch pipe and/or the intercommunication each other of second branch pipe carries out the compounding to constitute the valve battle array, through the aforesaid mode of setting up, can carry out the compounding to the material between the different material jars to different customer demands, the installation is simple, convenient operation.

3. The invention provides a valve array of anti-mixing valve, the said anti-leakage detection device also includes: the driving piece is connected with the sealing piece and drives the sealing piece to move towards the inner cavity of the valve body of the leakage-proof valve so as to close the liquid inlet; a biasing member coupled to the sealing member for applying a biasing force to the sealing member to move the sealing member toward the open position; when the anti-mixing valve is opened, the driving piece drives the sealing piece to move towards the inner cavity of the valve body of the anti-mixing valve so as to close the liquid inlet; when the anti-mixing valve is closed, the driving piece does not drive the sealing piece to move towards the inner cavity of the anti-mixing valve body, the biasing piece is connected with the sealing piece, a biasing force which enables the sealing piece to move towards the opening position is applied to the sealing piece, the sealing piece moves to the opening position, and the liquid inlet is communicated with the retention cavity. The fluid channel can be kept at the opening position without being electrified under the influence of external force by the biasing element, the closing state of the anti-mixing valve is effectively corresponded, and the leakage state of the tank bottom valve is monitored in real time. And, the driving method is simple and reliable, in case find the material reveal, can pass through the liquid outlet is examined out, whether the check-out valve that the aforesaid set up the mode can convenient and fast in the middle of the valve battle array prevents mixing valve weeping.

4. The invention provides an anti-mixing valve array, wherein a driving piece is an air pump communicated with an inner cavity of a valve body of an anti-mixing valve, a medium is introduced into the valve body of the anti-mixing valve by the air pump to drive a sealing piece to move to a closed position, air is generated by the air pump to generate a driving force for the sealing piece, and the sealing piece is driven to move towards the inner cavity of the valve body of the anti-mixing valve by the driving force to close a leakage liquid feeding hole.

5. The invention provides an anti-mixing valve array, wherein a cleaning valve is further arranged on the anti-mixing valve, the cleaning valve is connected with a detention cavity arranged in the circumferential direction of a valve core of the anti-mixing valve, and through the arrangement of the cleaning valve, when the anti-leakage detection device detects that leakage liquid exists in the detention cavity, cleaning liquid can be introduced into the cleaning valve, so that the leakage liquid in the detention cavity can be simply and conveniently quickly cleaned, and other materials are prevented from being polluted.

6. The invention provides a valve array of an anti-mixing valve, which comprises: cleaning the valve body of the valve; a conduit channel disposed within the purge valve body, the conduit channel comprising: the cleaning port is communicated with the detention cavity, and the liquid passing port is used for introducing cleaning liquid; a seal drivingly disposed on the line channel, the seal having a closed position blocking the line channel and an open position placing the line channel in communication; the driving piece is connected with the sealing piece and drives the sealing piece to move towards the inner cavity of the valve body of the cleaning valve so as to close the cleaning port; a biasing member connected to the sealing member, for applying a biasing force toward the sealing member to move the sealing member toward the opening position of the cleaning opening; when the anti-mixing valve is opened, the driving piece drives the sealing piece to move towards the inner cavity of the valve body of the cleaning valve so as to close the cleaning port; at the moment, materials can flow into the anti-mixing valve body from the first branch pipe and then flow into the second branch pipe, the materials can be mixed according to different customer demands, when the anti-mixing valve is closed, the driving piece does not drive the sealing piece to move towards the inner cavity of the cleaning valve body, the biasing piece is connected with the sealing piece, a biasing force which enables the sealing piece to move towards the direction of the opening position is applied towards the sealing piece, the sealing piece moves to the opening position, the cleaning port is communicated with the retention cavity, when leakage exists in the retention cavity, cleaning liquid is introduced into the liquid through port, the cleaning liquid enters the retention cavity through the pipeline channel and the cleaning port, and the leakage in the retention cavity is rapidly cleaned so as to avoid polluting other materials.

7. The invention provides a valve array of an anti-mixing valve, wherein a biasing element is a pressure spring sleeved on a sealing element; an annular containing cavity is formed in the inner cavity of the valve body of the leakage-proof valve and/or the inner cavity of the valve body of the cleaning valve, an annular boss is arranged on the sealing element, one end of the pressure spring is contained in the annular containing cavity, and the other end of the pressure spring is connected with the annular boss in an abutting mode; the sealing element is sleeved with the pressure spring, so that the pressure spring can apply force to the sealing element uniformly, force deviation cannot be generated, and the efficiency of the sealing element is improved.

8. The invention provides a valve array of an anti-mixing valve, which also comprises: a cylinder; the piston ring is arranged in the cylinder and is connected with the valve core; a biasing member coupled to the piston ring and the cylinder, respectively, the biasing member applying a biasing force toward the piston ring to move toward the valve to effect valve closure; an air pump; passing a medium toward the cylinder to compress the biasing member to effect valve opening; the gas is generated by the gas pump and is introduced into the cylinder to generate a driving force for the piston ring, and then the piston ring pulls the valve core of the anti-mixing valve to move downwards, so that the anti-mixing valve is opened to send materials into the anti-mixing valve body, when the gas pump does not generate gas, the biasing element applies a biasing force towards the piston ring to enable the biasing element to move towards the anti-mixing valve body, and the material port can be opened and closed simply and conveniently by the aid of the component arrangement mode.

9. The invention provides an anti-mixing valve array, which further comprises an anti-mixing valve body, wherein a driving piece of the anti-mixing valve body drives a sealing piece to move towards an inner cavity of the anti-mixing valve body so as to close a liquid inlet and/or a cleaning port; the driving piece is an air pump which is respectively communicated with the valve body of the leakage-proof valve and the inner cavity of the air cylinder through a three-way joint; the driving piece is an air pump which is respectively communicated with the leakage-proof detection device and the inner cavity of the air cylinder through a three-way joint; the air pump generates air, the air is introduced into the three-way joint, the driving force generated by the air can drive the sealing element in the leakage-proof detection device and the air cylinder to move simultaneously, and when the sealing element is driven to move towards the inner cavity of the valve body of the leakage-proof valve, the liquid inlet is closed; the liquid inlet is closed, and the driving force generated by the gas drives the piston ring in the cylinder to open the valve, so that leakage detection errors caused by the fact that materials enter the pipeline channel through the liquid inlet when the valve is opened can be avoided; the three-way joint simultaneously ventilates the air cylinder and the inner cavity of the valve body of the anti-leakage valve, so that when the valve is opened, the conduction of a pipeline channel can be automatically blocked, the anti-leakage detection device is ensured to be in a stop working state, and the influence of the anti-leakage detection device on the normal work of the anti-mixing valve is avoided.

10. The invention provides an anti-mixing valve array, wherein annular sealing rings which are respectively positioned on the upper side and the lower side of a detention cavity and are arranged along the circumferential direction of a valve core are arranged on the valve core.

Through detaining the upper and lower both sides in chamber and following the annular seal that the case circumferential direction of preventing mixing valve arranged, can guarantee to prevent mixing valve's case with the leakproofness when the valve is closed is good, promotes sealed effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of an anti-mixing valve array structure provided by the present invention;

FIG. 2 is a schematic view of an anti-mix valve array anti-mix valve according to the present invention;

FIG. 3 is a schematic structural view of an anti-leakage detection device for an anti-mixing valve array of the present invention;

FIG. 4 is a schematic structural diagram of a purge valve of an anti-mixing valve array according to the present invention;

description of reference numerals:

1-a material tank; 2-anti-mixing valve; 3-valve body of anti-leakage valve; 4-a communication pipeline; 5-a biasing member; 6-leakage prevention detection device; 7-a valve core; 8-a retention chamber; 9-a pipeline channel; 10-liquid inlet; 11-a liquid outlet; 12-a seal; 13-cleaning the valve; 14-a cleaning port; 15-liquid through port; 16-an annular cavity; 17-an annular boss; 18-a three-way connection; 19-ring seal; 20-cleaning the valve body of the valve; 21-cylinder; 22-a first branch; 23-a second branch pipe; 24-anti-mixing valve body; 25-a valve; 26-piston rings.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

The embodiment provides an anti-mixing valve array, as shown in fig. 1, including: at least two material tanks 1 are communicated through a communication pipeline 4; each material tank 1 is correspondingly provided with at least one anti-mixing valve 2, and the anti-mixing valves 2 are arranged on the communication pipelines 4 to control the branches of the communication pipelines 4 to be opened or closed; the anti-leakage detection device 6 is arranged on the anti-mixing valve 2, and a detention cavity 8 is arranged in the circumferential direction of a valve core 7 of the anti-mixing valve 2; the leak prevention detection apparatus 6 includes: a valve body 3 of the anti-leakage valve; a pipe passage 9 provided in the leak-proof valve body 3, the pipe passage 9 including: a liquid inlet 10 communicated with the detention cavity 8 and a liquid outlet 11 used for detecting whether the medium has liquid leakage; a seal 12 drivingly disposed on said line channel 9, said seal 12 having a closed position blocking said line channel 9 and an open position placing said line channel 9 in communication; through the anti-mixing valve array consisting of the anti-mixing valves, the liquids in the storage tanks can be effectively adjusted to be mixed with each other or isolated from each other. The user can adjust the opening and closing of each anti-mixing valve according to actual need, realizes different user demands. In prior art, only after the liquid in the storing jar reduces more, operating personnel can just discover through the naked eye that the valve takes place the weeping. The material in the storage tank valve group is wasted, and the cost of a merchant is increased; in addition, when the sealing ring of the anti-mixing valve is worn, materials can flow from one communication pipeline to the other communication pipeline, and cross contamination of the materials among the communication pipelines can be caused. In the scheme, the anti-leakage detection device 6 is arranged on the anti-mixing valve 2, when leakage exists in a detention cavity 8 arranged in the circumferential direction of a valve core 7 of the anti-mixing valve 2, the leakage can enter a liquid inlet 10 communicated with the detention cavity 8, then enters the pipeline channel 9 through the leakage liquid inlet 10, and flows out a leakage liquid outlet 11 for detecting whether a medium has leakage, and whether the valve core can play an effective sealing effect can be known in advance through detecting the leakage liquid outlet 11; so as to take measures such as replacing the sealing ring in time, thereby improving the sealing effect of the tank bottom valve core 7, achieving the effects of preventing material waste and saving the cost of merchants, and in addition, preventing the cross contamination of liquid.

Wherein, as shown in fig. 1, the communication pipe 4 includes: at least two first branch pipes 22 are provided, and each material tank 1 is directly connected with at least one first branch pipe 22; at least two second branch pipes 23 are arranged and communicated with the first branch pipes 22 in a staggered manner; the anti-mixing valve 2 is arranged at the communication position of the first branch pipe 22 and the second branch pipe 23; through prevent mixing valve 2 with first branch pipe 22 and/or the cooperation of second branch pipe 23 can pass through the material between different material jars 1 first branch pipe 22 and/or the material mixing is carried out to the intercommunication each other of second branch pipe 23 to constitute the valve battle array, through the aforesaid mode of setting up, can carry out the material mixing to the material between different material jars 1 to different customer demands, the installation is simple, convenient operation.

In this embodiment, as shown in fig. 3, the leakage-prevention detection apparatus 6 further includes: the driving piece is connected with the sealing piece 12 and drives the sealing piece 12 to move towards the inner cavity of the valve body 3 of the leakage-proof valve so as to close the liquid inlet 10; a biasing member 5 connected to the sealing member 12 for applying a biasing force to the sealing member 12 to move the sealing member toward the open position; when the valve of the anti-mixing valve 2 is opened, the driving piece drives the sealing piece 12 to move towards the inner cavity of the valve body 3 of the anti-mixing valve so as to close the liquid inlet 10; when the material flows into the anti-mixing valve body 24 from the first branch pipe 22 and then flows into the second branch pipe 23, the material can be mixed according to different customer requirements, when the anti-mixing valve 2 is closed, the driving piece does not drive the sealing piece 12 to move towards the inner cavity of the anti-leakage valve body 3, the biasing piece 5 is connected with the sealing piece 12, a biasing force which enables the sealing piece 12 to move towards the opening position is applied to the sealing piece 12, the sealing piece 12 moves to the opening position, and the liquid inlet 10 is communicated with the retention cavity 8. The fluid channel can be kept at the opening position without being electrified under the influence of external force by the biasing element 5, and the leakage state of the tank bottom valve can be monitored in real time corresponding to the closing state of the anti-mixing valve 2 effectively. And, the driving method is simple and reliable, once finding the material is revealed, can pass through the liquid outlet 11 detects, and whether the anti-mixing valve 2 in the valve array leaks liquid can convenient and fast be detected to above-mentioned setting mode, wherein, the driving piece be with the air pump that prevents 3 inner chambers of leak valve body is linked together, the air pump to let in the medium in preventing 3 leak valve body 3 in order to drive sealing member 12 removes to the closed position, produces gas through the air pump, produces the driving force to sealing member 12, through the driving force remove the drive sealing member 12 towards 3 inner chambers of leak valve body move in order to close the weeping feed inlet, the device simple to operate, convenient, the operation of being convenient for.

In this embodiment, as shown in fig. 4, a cleaning valve 13 is further disposed on the anti-mixing valve 2, the cleaning valve 13 is connected to a retention chamber 8 disposed in the circumferential direction of the valve element 7 of the anti-mixing valve 2, and by disposing the cleaning valve 13, when the anti-leakage detection device 6 detects that there is leakage in the retention chamber 8, a cleaning liquid can be introduced into the cleaning valve 13, so that the leakage in the retention chamber 8 can be rapidly cleaned simply and conveniently to avoid polluting other materials.

Wherein, as shown in fig. 4, the purge valve 13 includes: cleaning the valve body 20; a line channel 9 disposed within the purge valve body 20, the line channel 9 comprising: a cleaning port 14 communicated with the retention cavity 8 and a liquid passing port 15 for passing in cleaning liquid; a seal 12 drivingly disposed on said line channel 9, said seal 12 having a closed position blocking said line channel 9 and an open position placing said line channel 9 in communication; a driving member connected with the sealing member 12 for driving the sealing member 12 to move towards the inner cavity of the cleaning valve body 20 so as to close the cleaning opening 14; a biasing member 5 connected to the sealing member 12 for applying a biasing force to the sealing member 12 to move the sealing member toward an open position of the cleaning port 14; when the anti-mixing valve 2 is opened, the driving piece drives the sealing piece 12 to move towards the inner cavity of the cleaning valve body 20 so as to close the cleaning port 14; when the valve of the anti-mixing valve 2 is closed, the driving member does not drive the sealing member 12 to move towards the inner cavity of the cleaning valve body 20, the biasing member 5 is connected with the sealing member 12, applies a biasing force to the sealing member 12 to move towards the open position, the sealing member 12 moves to the open position, the cleaning port 14 is communicated with the retention chamber 8, when there is leakage in the retention chamber 8, cleaning liquid is introduced into the liquid passage 15, and the cleaning liquid enters the retention chamber 8 through the pipeline channel 9 and the cleaning port 14, so that the leakage in the retention chamber 8 is cleaned quickly to avoid polluting other materials.

The biasing member 5 is a compression spring sleeved on the sealing element 12; an annular containing cavity 16 is formed in the inner cavity of the valve body 3 of the leakage-proof valve and/or the inner cavity of the valve body 20 of the cleaning valve, an annular boss 17 is arranged on the sealing element 12, one end of the pressure spring is contained in the annular containing cavity 16, and the other end of the pressure spring is connected with the annular boss 17 in an abutting mode; the sealing element 12 is sleeved with the compression spring, so that the compression spring can apply force to the sealing element 12 uniformly, force deviation is avoided, and the efficiency of the sealing element 12 is improved.

In addition, as shown in fig. 2, the anti-mix valve 2 further includes: a cylinder 21; a piston ring 26 disposed in the cylinder 21 and connected to the valve body 7; a biasing member 5, said biasing member 5 being connected to said piston ring 26 and said cylinder 21, respectively, said biasing member 5 applying a biasing force towards said piston ring 26 causing it to move towards the valve 25 to effect a biasing force that closes the valve 25; an air pump; passing a medium towards said cylinder 21, compressing said biasing member 5 to effect opening of the valve 25; the gas is generated by the gas pump and is introduced into the cylinder 21 to generate a pushing force on the piston ring 26, and then the valve core 7 of the anti-mixing valve 2 is pulled by the piston ring 26 to move downwards, so that the anti-mixing valve 2 is opened to send the material into the anti-mixing valve body 24, and when the gas pump does not generate gas, a biasing force which enables the material to move towards the valve of the anti-mixing valve 2 is applied to the piston ring 26 by the biasing member 5, and the material port can be simply and conveniently opened and closed by the above component arrangement mode.

The sealing device further comprises an anti-mixing valve body 24, wherein the driving piece drives the sealing element 12 to move towards the inner cavity of the anti-mixing valve body 24 so as to close the liquid inlet 10 and/or the cleaning port 14; the driving piece is an air pump which is respectively communicated with the valve body 3 of the anti-leakage valve and the inner cavity of the air cylinder 21 through a three-way joint 18; the driving piece is an air pump which is respectively communicated with the anti-leakage detection device 6 and the inner cavity of the air cylinder 21 through a three-way joint 18; gas is generated by the gas pump and is introduced into the three-way joint 18, the driving force generated by the gas can simultaneously drive the sealing element 12 in the leakage-proof detection device 6 and the cylinder 21 to move, and when the sealing element 12 is driven to move towards the inner cavity of the leakage-proof valve body 3, the liquid inlet 10 is closed; the liquid inlet 10 is closed, and the pushing force generated by the gas drives the piston ring 26 in the cylinder to open the valve 25, so that leakage detection errors caused by the fact that materials enter the pipeline channel 9 through the liquid inlet 10 when the valve 25 is opened can be avoided; the three-way joint 18 is used for simultaneously ventilating the air cylinder 21 and the inner cavity of the valve body 3 of the anti-leakage valve, so that when the valve 25 is opened, the conduction of the pipeline channel 9 can be automatically blocked, the anti-leakage detection device 6 is ensured to be in a stop working state, and the influence of the anti-leakage detection device 6 on the normal work of the anti-mixing valve 2 is avoided.

Wherein, the valve core 7 is provided with annular sealing rings 19 which are respectively positioned at the upper side and the lower side of the detention cavity 8 and are arranged along the circumferential direction of the valve core 7. Through the annular sealing rings 19 which are arranged on the upper side and the lower side of the detention cavity 8 and along the circumferential direction of the valve core 7 of the anti-mixing valve 2, the good sealing performance of the valve core 7 of the anti-mixing valve 2 and the valve 25 when closed can be ensured, and the sealing effect is improved.

Of course, the present invention is not limited to the specific type of the biasing member 5, and may be in various forms such as a torsion spring, an electromagnetic relay, etc., which can generate a biasing force applied to the piston ring 26 to move toward the valve 25 to close the valve 25, or a biasing force applied to the seal member 12 to move toward the open position.

Of course, the present invention does not specifically limit the specific type of the driving member, and besides the air pump, the present invention may also be in various forms of mechanical push rods such as a lever, a four-bar linkage structure, etc., and the push force for driving the sealing member 12 to move toward the inner cavity of the valve body 3 of the leakage prevention valve to close the liquid inlet 10 or driving the biasing member 5 to compress so as to open the valve 25 may be generated.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (10)

1. An anti-mixing valve array, comprising:

at least two material tanks (1) are communicated through a communication pipeline (4);

each material tank (1) is correspondingly provided with at least one anti-mixing valve (2), and the anti-mixing valves (2) are arranged on the communication pipelines (4) to control the branches of the communication pipelines (4) to be opened or closed;

the anti-leakage detection device (6) is arranged on the anti-mixing valve (2), and a detention cavity (8) is arranged in the circumferential direction of a valve core (7) of the anti-mixing valve (2); the leak-proof detection device (6) comprises:

a valve body (3) of the anti-leakage valve;

-a pipe channel (9) arranged in the valve body (3) of the leakage valve, the pipe channel (9) comprising: a liquid inlet (10) communicated with the detention cavity (8) and a liquid outlet (11) used for detecting whether the medium has liquid leakage;

a seal (12) drivingly disposed on the line channel (9), the seal (12) having a closed position blocking the line channel (9) and an open position placing the line channel (9) in communication.

2. Anti-mixing valve array according to claim 1, characterized in that said communication duct (4) comprises:

the number of the first branch pipes (22) is at least two, and each material tank (1) is directly connected with at least one first branch pipe (22);

at least two second branch pipes (23) are arranged, and the second branch pipes (23) are communicated with the first branch pipes (22) in a staggered mode; the anti-mixing valve (2) is arranged at the communication position of the first branch pipe (22) and the second branch pipe (23).

3. Anti-mixing valve array according to claim 1 or 2, characterized in that the anti-leakage detection device (6) further comprises:

the driving piece is connected with the sealing piece (12) and drives the sealing piece (12) to move towards the inner cavity of the valve body (3) of the leakage-proof valve so as to close the liquid inlet (10);

a biasing member (5) connected to the sealing member (12) for applying a biasing force to the sealing member (12) to move the sealing member toward the open position.

4. The valve array of claim 3, wherein the driving member is an air pump communicating with the inner cavity of the valve body (3) of the leakage prevention valve, and the air pump feeds a medium into the valve body (3) of the leakage prevention valve to drive the sealing member (12) to move to the closed position.

5. The valve array according to any one of claims 1 to 4, characterized in that a purge valve (13) is further disposed on the anti-mix valve (2), and the purge valve (13) is connected to a retention chamber (8) disposed in a circumferential direction of a valve core (7) of the anti-mix valve (2).

6. Anti-mixing valve array according to claim 5, characterized in that the purge valve (13) comprises:

a purge valve body (20);

a line channel (9) disposed within the purge valve body (20), the line channel (9) comprising: a cleaning opening (14) communicated with the retention cavity (8), and a liquid passing opening (15) for passing in cleaning liquid;

a seal (12) drivingly disposed on the line channel (9), the seal (12) having a closed position blocking the line channel (9) and an open position placing the line channel (9) in communication;

a driving member connected with the sealing member (12) and driving the sealing member (12) to move towards the inner cavity of the cleaning valve body (20) so as to close the cleaning opening (14);

a biasing member (5) connected to the sealing member (12) for applying a biasing force to the sealing member (12) to move the sealing member toward the open position of the cleaning opening (14).

7. The anti-mixing valve array according to claim 6, characterized in that the biasing member (5) is a compression spring sleeved on the sealing member (12); the inner cavities of the valve body (3) of the leakage-proof valve and/or the valve body (20) of the cleaning valve are provided with an annular accommodating cavity (16), an annular boss (17) is arranged on the sealing element (12), one end of the pressure spring is accommodated in the annular accommodating cavity (16), and the other end of the pressure spring is connected with the annular boss (17) in an abutting mode.

8. The anti-mix valve array according to claim 7, characterized in that the anti-mix valve (2) further comprises:

a cylinder (21);

a piston ring (26) disposed in the cylinder (21) and connected to the valve element (9);

-a biasing member (5), said biasing member (5) being associated with said piston ring (26) and with said cylinder (21), respectively, said biasing member (5) exerting a biasing force towards said piston ring (26) causing it to move towards the valve (25) to effect closure of the valve (25);

an air pump; a medium is passed towards the cylinder (21) compressing the biasing member (5) to effect opening of the valve (25).

9. The anti-mix valve array according to claim 8, further comprising an anti-mix valve body (24)

The driving piece drives the sealing piece (12) to move towards the inner cavity of the anti-mixing valve body (24) so as to close the liquid inlet (10) and/or the cleaning port (14);

the driving piece is an air pump which is respectively communicated with the valve body (3) of the leakage-proof valve and the inner cavity of the air cylinder (21) through a three-way joint (18).

10. The valve array according to claim 9, wherein the valve core (7) is provided with annular sealing rings (19) which are respectively positioned at the upper side and the lower side of the retention cavity (8) and are arranged along the circumferential direction of the valve core (7).

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