KR102633745B1 - Coupling device and fluid transfer system compring the same - Google Patents

Abstract

A coupling device and a fluid transport system including the same are disclosed. A coupling device according to an embodiment of the present invention is a coupling device that couples a first coupler and a second coupler, and includes a fixing member into which the first coupler is inserted and fixed; A support member supporting the second coupler; And a power member coupled to the fixing member through a support member and moving the fixing member to bring the first coupler inserted into the fixing member into contact with the second coupler.

Description

Coupling device and fluid transport system including the same {COUPLING DEVICE AND FLUID TRANSFER SYSTEM COMPRING THE SAME}

The present invention relates to a coupling device and a fluid transfer system including the same, and more specifically, to a coupling device that has a simple structure and is easy to clean and dry, and a fluid transfer system including the same.

Semiconductor factories and chemical factories use or supply various types of chemicals in large quantities. Here, chemicals include liquids such as pure water or various acidic, alkaline, or neutral solutions, and those in an emulsion or paste state, such as a slurry where a liquid is mixed with powder, etc.

These chemicals are usually placed in containers such as tanks or drums and transported by tank lorries or trucks. Therefore, in order to inject chemicals into such a container or supply the chemicals contained in the container to the point of use, a connecting part called a coupler is coupled to the inlet of the container, and the chemical is injected into the container through the coupler or the chemical inside the container is sucked in. do. Additionally, couplers are also used to transfer (collect) chemicals (waste liquid) used in semiconductor factories or chemical factories to the tank of the tank lorry.

Here, once the collection of the waste liquid is completed, the inside of the coupling device (device used for fastening and disconnecting the coupler), including the coupler, is cleaned and dried. In the case of the conventional coupling device, the internal structure is complicated and the coupling device is used during chemical transfer. There is a problem in that chemicals come into contact with the entire inside of the device, increasing the cleaning and drying area.

Therefore, the technical problem to be achieved by the present invention is to provide a coupling device that has a simplified structure, is easy to fasten, reduces cost, and is convenient to manage, and a fluid transfer system including the same.

In addition, by reducing the chemical contact area, the cleaning and drying area is also reduced, thereby providing a coupling device that is easy to clean and dry, and a fluid transport system including the same.

According to one aspect of the present invention, a coupling device for fastening a first coupler and a second coupler, comprising: a fixing member into which the first coupler and the second coupler are inserted and fixed; A support member supporting the second coupler; And a coupling device including a power member coupled to the fixing member through the support member and moving the fixing member to bring the first coupler inserted into the fixing member into contact with the second coupler. there is.

In one embodiment, the fixing member includes a body portion into which the first coupler and the second coupler are inserted and come into contact with each other on the inside; And it may include a fixing part installed on the body part and fixing the first coupler.

In one embodiment, the body portion may have a peripheral portion in which a moving hole is formed.

In one embodiment, a hollow into which the first coupler is inserted may be formed in the body portion.

In one embodiment, the first coupler is seated on one end of the body where the hollow is formed, and the second coupler is seated on the other end of the body, and the body and the first coupler are connected by the power member. The couplers may move together so that the first coupler and the second coupler come into contact with each other inside the body portion.

In one embodiment, the fixing part includes a rotating part rotatably coupled to the body part; and a plurality of ball bearings installed in the body part to contact the rotating part. When the rotating part rotates, the plurality of ball bearings press the outer peripheral surface of the first coupler to fix the first coupler.

In one embodiment, a handle may be installed on the outside of the rotating unit to rotate the rotating unit.

In one embodiment, it may include a coupling part coupled to the rotating part so as to be coupled to the support member.

In one embodiment, a coupling groove is formed in the support member, the coupling portion is provided with a coupling rod, and the coupling rod may be coupled to the coupling groove.

In one embodiment, the body portion has a peripheral portion in which a moving hole is formed, the size of the moving hole is larger than the size of the coupling groove, the coupling rod is provided to pass through the moving hole, and when the rotating part rotates, the coupling rod is provided to pass through the moving hole. The coupling rod may be arranged to move along the moving hole and be located in a corresponding portion of the coupling groove.

In one embodiment, the power member is a cylinder, and the cylinder is coupled to the body portion to transmit power to the body portion, and when the body portion moves by operation of the cylinder, the coupling rod coupled to the rotating portion is It can be coupled to the coupling groove.

In one embodiment, a sealing member for sealing may be coupled to the body portion.

In one embodiment, the support member may have at least one alignment hole formed, and may include at least one alignment member coupled to the body so as to be coupled to the alignment hole.

In one embodiment, the first coupler may be a male coupler, and the second coupler may also be a male coupler.

In one embodiment, the body part is provided with washing water for cleaning at least one of the first coupler, the second coupler, and the body part after the waste liquid passing through the body part is collected. and an inlet into which drying gas for drying at least one of the second coupler and the body portion flows in; And it may include a discharge part through which the washing water or the dry gas is discharged.

In one embodiment, after the waste liquid is collected, the body portion and the first coupler are moved together by the power member and the first coupler and the second coupler are spaced apart, and the first coupler and the second coupler are spaced apart. The cleaning water may flow into the space between the two couplers to clean at least one of the first coupler, the second coupler, and the body portion.

In one embodiment, when the cleaning is completed, the dry gas is introduced into the space spaced apart between the first coupler and the second coupler to at least one of the first coupler, the second coupler, and the body portion. can be dried.

According to one aspect of the present invention, the above-described coupling device; and a housing in which the coupling device is installed. A fluid transport system including a coupling device may be provided.

Accordingly, embodiments of the present invention have the effect of simplifying the structure, making it easy to fasten, reducing costs, and convenient management.

In addition, by reducing the contact area of the chemical, the cleaning and drying area is also reduced, which makes cleaning and drying easier.

1 is an overall perspective view of a coupling device according to an embodiment of the present invention.
Figure 2 is an exploded perspective view of Figure 1.
3 to 6 are perspective views of a process in which a first coupler and a second coupler are coupled by a coupling device according to an embodiment of the present invention.
7 to 13 are cross-sectional views of a process in which a first coupler and a second coupler are coupled, waste liquid is collected, and cleaning and drying are performed by a coupling device according to an embodiment of the present invention.
Figure 14 is a schematic diagram showing the interior of a fluid transport system including a coupling device according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings. Terms or words used in this specification and claims should not be construed as limited to their common or dictionary meanings, and the inventor may appropriately define the concept of terms in order to explain his or her invention in the best way. It must be interpreted with meaning and concept consistent with the technical idea of the present invention based on the principle that it is. Accordingly, the embodiments described in this specification and the configurations shown in the drawings are only one of the most preferred embodiments of the present invention and do not represent the entire technical idea of the present invention, so at the time of filing this application, various alternatives may be used to replace them. It should be understood that equivalents and variations may exist.

In the drawings, the size of each component or a specific part constituting the component is exaggerated, omitted, or schematically shown for convenience and clarity of explanation. Therefore, the size of each component does not entirely reflect the actual size. If it is determined that specific descriptions of related known functions or configurations may unnecessarily obscure the gist of the present invention, such descriptions will be omitted.

The term 'coupling' or 'connection' used in this specification refers not only to the case where one member and another member are directly coupled or directly connected, but also when one member is indirectly coupled to another member through a joint member. Also includes cases where it is connected to .

Figure 1 is an overall perspective view of a coupling device according to an embodiment of the present invention, Figure 2 is an exploded perspective view of Figure 1, and Figures 3 to 6 are the first coupling device according to an embodiment of the present invention. A perspective view of the process of coupling a coupler and a second coupler, and Figures 7 to 13 show a process in which a first coupler and a second coupler are coupled by a coupling device according to an embodiment of the present invention, waste liquid is collected, and cleaning and This is a cross-sectional view of the drying process.

Figure 3 is a diagram showing the first coupler 600 before being inserted into the body portion 110 of the fixing member 100, and Figure 4 shows the first coupler 600 being inserted into the body portion (110) of the fixing member 100. 5 is a diagram showing a state inserted into the rotary unit 121, in which the ball bearing 122 fixes the first coupler 600 and the coupling unit 140 moves the moving hole 115 according to the rotation of the rotating unit 121. It is a view of the body part 110 moving along and located in the corresponding part of the coupling groove 210, and FIG. 6 is a view of the body portion 110 moving by the operation of the power member 300.

And, FIG. 7 is a cross-sectional view of FIG. 3, FIG. 8 is a cross-sectional view of FIG. 5, FIG. 9 is a cross-sectional view of the body portion 110 being moved by the operation of the power member 300, and FIG. 10 is a cross-sectional view of FIG. 6. It is a cross-sectional view of the first coupler 600 and the second coupler 700 being fastened, and FIG. 11 is a storage member (for example, For example, it is a cross-sectional view (see arrow A) of waste liquid moving from a storage tank to a collection member (for example, a tank lorry), and FIG. ) is a cross-sectional view showing a space formed by being spaced apart at a preset interval, and FIG. 13 shows a process in which the first coupler 600 is cleaned and dried through the space formed in the second coupler 700 in FIG. 12. This is a cross-sectional view.

Referring to Figures 1 and 2, the coupling device 10 according to an embodiment of the present invention is a coupling device 10 that couples the first coupler 600 and the second coupler 700, and includes a fixing member. It includes (100), a support member (200), and a power member (300). The first coupler 600 and the second coupler 700 may vary, but for convenience of explanation, the first coupler 600 is hereinafter referred to as a male coupler 600, and the second coupler 700 is also referred to as a male coupler 600. ) will be explained focusing on the case.

As described above, chemicals used in a semiconductor factory or chemical factory are supplied from a chemical supply source (e.g., a tank lorry) and stored in a storage member (e.g., a storage tank), and the used chemicals are stored. It is collected from a member (eg, a storage tank) to a collection member (eg, a tank lorry). At this time, the first coupler 600 is connected to a chemical supply member (e.g., a tank lorry) or a collection member (e.g., a tank lorry), and is connected to a chemical storage member (e.g., a storage tank). The second coupler 700 is fastened by the coupling device 10 according to an embodiment of the present invention, and the chemical moves through the fastened first coupler 600 and second coupler 700.

The fixing member 100 is provided so that the first coupler 600 and the second coupler 700 are inserted and fixed. Here, the fixing member 100 may be configured in various ways and, for example, may be configured to include a body portion 110 and a fixing portion 120.

Referring to FIG. 10, the body portion 110 is configured so that the first coupler 600 and the second coupler 700 are inserted and come into contact with each other on the inside. Here, a hollow 111 (see FIG. 2) into which the first coupler 600 is inserted may be formed in the body portion 110. The hollow 111 may be formed as a through hole, and the second coupler 700 may also be formed. It may pass through the support member 200 and be inserted into the hollow 111 of the body portion 110.

That is, the first coupler 600 is seated on one end of the body portion 110 where the hollow 111 is formed through the hollow 111, and the first coupler 600 is seated on the other end of the body portion 110 through the hollow 111. 2 The coupler 700 is seated. And, referring to FIGS. 8 to 10, the body portion 110 and the first coupler 600 are moved together by the power member 300, and the first coupler 600 and the second coupler are moved together inside the body portion 110. The coupler 700 is provided to be in contact with each other. That is, when the power member 300, for example, a cylinder, pulls the body portion 110, the body portion 110 and the first coupler 600 move together.

The body portion 110 may be configured to include an inlet portion 113 and an outlet portion 114. The inlet 113 is provided with washing water for cleaning at least one of the first coupler 600, the second coupler 700, and the body 110 after the waste liquid passing through the body 110 is collected, Alternatively, drying gas for drying at least one of the first coupler 600, the second coupler 700, and the body portion 110 is introduced. And, the discharge unit 114 is configured to discharge cleaning water or dry gas.

After the waste liquid is collected (see arrow A in FIG. 11), the body portion 110 and the first coupler 600 are moved together by the power member 300 between the first coupler 600 and the second coupler 700. When spaced apart (see FIG. 12), cleaning water flows into the space between the first coupler 600 and the second coupler 700, and the first coupler 600, the second coupler 700, and the body portion ( At least one of 110) may be cleaned (see FIG. 13).

Then, when cleaning is completed, dry gas flows into the space spaced apart between the first coupler 600 and the second coupler 700, and the first coupler 600, the second coupler 700, and the body portion 110 ) may be configured to dry.

That is, referring to FIG. 13, the washing water flows in through the inlet 113 (see arrow B in FIG. 13), is discharged through the outlet 114 (see arrow C in FIG. 13), and is dried. Gas also flows in through the inlet 113 (the inflow of dry gas is common to the inflow of washing water in FIG. 13) and is discharged through the outlet 114 (the discharge of dry gas is similar to the inflow of washing water in FIG. 13). (common with).

Here, the dry gas may be various, for example, N2 or CDA (Clean Dry Air), but is not limited thereto.

A sealing member 400 (see FIG. 7) for sealing may be coupled to the body portion 110. The sealing member 400 can prevent chemical leakage, but also prevents leakage of cleaning water during cleaning or dry gas during drying of the coupling device 10 according to an embodiment of the present invention.

The body portion 110 may have a peripheral portion 112 in which a moving hole 115 is formed. A detailed description of this will be provided later.

The fixing part 120 is installed on the body part 110 and fixes the first coupler 600. The fixing part 120 may fix the first coupler 600 in various ways and, for example, may be configured to include a rotating part 121 and a plurality of ball bearings 122.

The rotating part 121 is rotatably coupled to the body part 110. Referring to Figures 1 and 2, a handle 130 is installed on the outer side of the rotating part 121, and the operator can rotate the rotating part 121 by holding the handle 130. Additionally, a coupling portion 140 coupled to the support member 200 may be coupled to the rotating portion 121.

And, a plurality of ball bearings 122 are installed on the body portion 110 so as to contact the rotating portion 121. Here, when the rotating part 121 rotates, the plurality of ball bearings 122 press the outer peripheral surface of the first coupler 600 to fix the first coupler 600.

In one embodiment, the inside of the rotating part 121 is alternately formed with flat parts and protruding parts to an appropriate degree, and when the rotating part 121 rotates, the protruding part of the rotating part 121 presses on the ball bearing 122. The ball bearing 122 may be provided to press and secure the first coupler 600 by contacting the outer peripheral surface of the first coupler 600.

The support member 200 supports the second coupler 700. That is, the second coupler 700 is inserted into the fixing member 100 and supported by the support member 200.

A coupling groove 210 may be formed in the support member 200. Here, the coupling part 140 coupled to the rotating part 121 may be provided, for example, as a coupling rod. Referring to FIGS. 5 and 6 together, for example, the coupling rod may be provided in the coupling groove of the support member 200 ( 210). This prevents the rotating part 121 from rotating any more at the correct position.

Referring to FIG. 2, at least one alignment hole 220 may be formed in the support member 200, and at least one alignment member 500 may be coupled to the body portion 110. The member 500 is coupled to the alignment hole 220. The alignment hole 220 and the alignment member 500 align the position of the fixing member 100 so that it moves at an accurate position when the fixing member 100 is moved by the power member 300.

Referring to FIG. 1, four alignment members 500 are coupled to each of the four alignment holes 220, but the number of alignment members 500 and alignment holes 220 varies.

Referring to FIGS. 1, 3, and 7, the power member 300 may be coupled to the fixing member 100 through the support member 200. Then, the fixing member 100 is moved by the operation of the power member 300 so that the first coupler 600 inserted into the fixing member 100 comes into contact with the second coupler 700.

The power member 300 may be provided in various ways, for example, may be various cylinders, but is not limited thereto.

As described above, the body portion 110 has a peripheral portion 112 in which a moving hole 115 is formed. Here, the size of the moving hole 115 is formed to be larger than the size of the coupling groove 210. And, referring to FIG. 4, the coupling part 140 (for example, a coupling rod) is provided to pass through the moving hole 115, and referring to FIG. 5, when the rotating part 121 rotates, the moving hole 115 The coupling portion 140 provided to pass moves along the moving hole 115 and is located in the corresponding portion of the coupling groove 210.

Afterwards, when the power member 300 (for example, a cylinder) coupled to the body 110 transmits power to the body 110, the body 110 moves by the operation of the power member 300, As shown in Figure 6, the rotating part 121 coupled to the body part 110 also moves, and the coupling part 140 coupled to the rotating part 121 also moves and is coupled to the coupling groove 210.

Hereinafter, the operation and effect of the fluid transport system 1 including a coupling device according to an embodiment of the present invention will be described with reference to the drawings.

Referring to FIGS. 3 and 7 together, before the first coupler 600 is inserted into the body portion 110 of the fixing member 100, the first coupler 600 moves toward the body portion 110. As shown in 4, it is inserted into one end of the body portion 110. At this time, the second coupler 700 may be inserted into the other end of the body portion 110.

Referring to FIGS. 5 and 8 together, when the operator holds the handle 130 and rotates the rotating part 121 from FIG. 4, the ball bearing 122 fixes the first coupler 600, and at this time, the rotating part The coupling part 140 coupled to 121 moves along the moving hole 115 by the rotation of the rotating part 121 and is located in a corresponding part of the coupling groove 210 formed in the support member 200.

In the state of FIGS. 5 and 8, when the power member 300 operates and the body portion 110 moves, the first coupler 600 inserted into the body portion 110 as shown in FIG. 9 is connected to the body portion 110. Together, they move toward the second coupler 700 (see arrow in FIG. 9).

And, referring to FIGS. 6 and 10 together, the first coupler 600 and the second coupler 700 come into contact with each other and are fastened inside the body portion 110 by the operation of the power member 300.

Referring to FIG. 11, after the first coupler 600 and the second coupler 700 are coupled, the waste liquid moves from the storage tank to the tank lorry (see arrow A) and is collected.

Referring to FIG. 12, after collection of waste liquid is completed, the body portion 110 and the first coupler are coupled in the opposite direction when the first coupler 600 and the second coupler 700 are coupled by the operation of the power member 300. 600 moves together (see arrow in FIG. 12) so that the first coupler 600 and the second coupler 700 are spaced apart at a preset interval.

During the collection process of the waste liquid, the waste liquid gets on at least one of the first coupler 600, the second coupler 700, and the body portion 110, so as shown in FIG. 13, the first coupler 600 and the second coupler ( Cleaning water flows into the space spaced apart from each other (700) to clean at least one of the first coupler (600), the second coupler (700), and the body portion (110). Here, the washing water flows in through the inlet 113 provided in the body 110 (see arrow B) and is discharged through the outlet 114 (see arrow C).

Then, when cleaning is completed, dry gas flows into the space spaced apart between the first coupler 600 and the second coupler 700, and the first coupler 600, the second coupler 700, and the body portion 110 At least one of them is dried and then discharged.

As a result, embodiments of the present invention not only simplify the structure of the coupling device 10 to make it easy to fasten, reduce costs, and conveniently manage it, but also reduce the contact area of the chemical, thereby increasing the cleaning and drying area. It is also reduced, which has the effect of making cleaning and drying easier.

Figure 14 is a schematic diagram showing the interior of a fluid transport system 1 including a coupling device according to an embodiment of the present invention.

Hereinafter, the operation and effect of the fluid transport system 1 including a coupling device according to an embodiment of the present invention will be described with reference to the drawings.

The fluid transport system 1 including a coupling device according to an embodiment of the present invention includes a chemical storage member (e.g., a storage tank), a chemical supply member (e.g., a tank lorry), or a collection member. It is a system that connects (for example, a tank lorry) to the coupling device 10 and transfers fluid between a storage member and a supply member or collection member. Hereinafter, for convenience of explanation, the storage member will be described as a storage tank, and the supply member or collection member will be described as a tank lorry.

The fluid transfer system of this embodiment may be a system that transfers (collects) chemicals (waste liquid) used in a semiconductor factory or chemical factory to a tank lorry. However, it goes without saying that the system of the present invention is not limited thereto. In other words, the transferred fluid may be a chemical before use rather than a used chemical (waste liquid), and the transfer direction may also be from the tank lorry to the storage tank.

The fluid transport system of this embodiment includes a coupling device 10 and a housing 20.

Here, since the coupling device 10 is similar to the content of the coupling device 10 described in the above-described embodiment, the detailed description will be replaced with the above-described description.

Referring to FIG. 14, the housing 20 may be provided in the form of a cabinet or booth, but is not limited thereto. A coupling device 10 is installed in the housing 20. Here, there may be one or more coupling devices 10 installed in the housing 20.

The housing 20 may be embedded in a building wall (not shown) and the front of the housing 20 may be exposed to the outside of the wall through an opening in the building wall, but is not limited to this. Additionally, an operation panel (not shown) may be disposed in the housing 20.

Although the present invention has been described above with limited examples and drawings, the present invention is not limited thereto, and the technical idea of the present invention and the description below will be understood by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalence of the patent claims.

1: Fluid transfer system including coupling device
10: coupling device 20: housing
100: fixing member 110: body part
111: hollow 112: circumference
113: inlet 114: outlet
115: moving hole 120: fixed part
121: rotating part 122: ball bearing
130: handle 140: coupling part
200: support member 210: coupling groove
220: Align hole 300: Power member
400: sealing member 500: alignment member
600: first coupler 700: second coupler

Claims (18)

A coupling device for coupling a first coupler and a second coupler,
A fixing member into which the first coupler and the second coupler are inserted and fixed;
A support member supporting the second coupler; and
A power member coupled to the fixing member through the support member and moving the fixing member to bring the first coupler inserted into the fixing member into contact with the second coupler,
The first coupler is a male coupler, and the second coupler is also a male coupler. According to paragraph 1,
The fixing member is,
a body portion into which the first coupler and the second coupler are inserted and come into contact with each other on the inside; and
A coupling device installed on the body and including a fixing part for fixing the first coupler. According to paragraph 2,
A coupling device characterized in that the body portion has a peripheral portion in which a moving hole is formed. According to paragraph 2,
A coupling device, characterized in that the body portion is formed with a hollow into which the first coupler is inserted. According to clause 4,
The first coupler is seated on one end of the body where the hollow is formed, and the second coupler is seated on the other end of the body, and the body and the first coupler move together by the power member to A coupling device, characterized in that the first coupler and the second coupler are provided to contact each other on the inside of the body portion. According to paragraph 2,
The fixing part,
A rotating part rotatably coupled to the body part; and
It includes a plurality of ball bearings installed on the body part to contact the rotating part,
A coupling device, characterized in that when the rotating part rotates, the plurality of ball bearings press the outer peripheral surface of the first coupler to fix the first coupler. According to clause 6,
A coupling device comprising a handle installed on the outside of the rotating unit to rotate the rotating unit. According to clause 6,
A coupling device comprising a coupling part coupled to the rotating part so as to be coupled to the support member. According to clause 8,
A coupling device is characterized in that a coupling groove is formed in the support member, the coupling portion is provided with a coupling rod, and the coupling rod is coupled to the coupling groove. According to clause 9,
The body portion has a peripheral portion in which a moving hole is formed,
The size of the moving hole is formed to be larger than the size of the coupling groove,
The coupling rod is provided to pass through the moving hole, and when the rotary part rotates, the coupling rod moves along the moving hole and is positioned in a corresponding portion of the coupling groove. According to clause 10,
The power member is a cylinder,
The cylinder is coupled to the body and transmits power to the body,
A coupling device, characterized in that when the body part moves by the operation of the cylinder, the coupling rod coupled to the rotating part is coupled to the coupling groove. According to paragraph 2,
A coupling device, characterized in that a sealing member for sealing is coupled to the body portion. According to paragraph 2,
A coupling device comprising at least one alignment hole formed in the support member and at least one alignment member coupled to the body so as to be coupled to the alignment hole. delete According to paragraph 2,
The body part,
After the waste liquid passing through the body is collected, washing water for cleaning at least one of the first coupler, the second coupler, and the body, or the first coupler, the second coupler, and the body an inlet into which drying gas for drying at least one of the parts flows; and
A coupling device comprising an outlet through which the cleaning water or dry gas is discharged. According to clause 15,
After the waste liquid is collected, the body part and the first coupler are moved together by the power member to separate the first coupler and the second coupler, and the space between the first coupler and the second coupler is A coupling device, wherein the cleaning water flows into the space to clean at least one of the first coupler, the second coupler, and the body portion. According to clause 16,
When the cleaning is completed, the drying gas is introduced into the space spaced between the first coupler and the second coupler to dry at least one of the first coupler, the second coupler, and the body portion. coupling device. The coupling device of any one of claims 1 to 13 or any one of claims 15 to 17; and
A fluid transport system comprising a coupling device, comprising a housing in which the coupling device is installed.

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