KR100916233B1 - Coupler for heat exchanger - Google Patents

Abstract

A connection pipe for a heat exchanger is provided to prevent a body from being separated from an outer tube by connecting a cover to the one end part of the body. A connection pipe for a heat exchanger comprises a body(31), a closing member(32), a manifold(33), a separation preventive member(34), a cover(35), a ring and a hook ring(36). The closing member is combined at the one end part of the body. The one side of the separation preventive member is supported by the tip end part of the body, if the separation preventive member is inserted and connected at the outer circumference of an outer tube(10) and the outer tube is inserted into the other end part of the body. The cover is combined in one end of the body. The ring is inserted and combined to the inside of the cover. The hook ring comprises a separation protective piece. The separation protective piece supports the outer circumference of one end of the outer tube combined in the body.

Description

Heat exchanger connector {Coupler for Heat exchanger}

The present invention relates to a connection tube for a heat exchanger, and more particularly, one end portion of the exterior combined with the separation prevention member in the state in which the separation prevention member is coupled to the outer peripheral surface of one end of the exterior, and the cover has an external appearance. By coupling to one end of the combined body part, not only can the coupling force of the outer part and the body part notably be improved, but also the connection of the heat exchanger tube which can prevent the risk of productivity and appearance and the separation of the body part in advance. will be.

In general, the heat exchanger is a device that transfers heat from a hot fluid to a cold fluid to reduce the energy of the hot fluid and increases the energy of the cold fluid, and is widely used in various technologies such as a heating device, an air conditioner, and a refrigerating device.

Such a conventional heat exchanger generally includes an outer tube, a T tube coupled to both ends of the outer tube and passing through the branch pipe, and a second tube through which the second fluid passes, and an inner tube through which the first fluid passes through the inner tube. It is configured to include.

The conventional heat exchanger is discharged to the outside after the first fluid introduced through the inner tube is heat exchanged with the second fluid introduced between the outer tube and the inner tube.

At this time, the first fluid may be selectively used either as a fruit for heating the second fluid or a refrigerant for cooling the second fluid, depending on the purpose for which the heat exchanger is used.

Such a conventional heat exchanger is not only a problem that the T tube is separated from the appearance by the pressure of the second fluid obtained through the branch pipe of the T tube is connected to the tape or band at both ends of the outer tube. Due to the interruption of work, productivity is significantly reduced, and the T tube has a problem that is a great threat to the surrounding workers in the process of separating from the exterior.

In addition, the conventional heat exchanger has a short heat exchange time between the first fluid and the second fluid so that the first fluid and the second fluid are discharged before the first fluid heats or cools the second fluid, thereby exchanging the first fluid and the second fluid. Not only is the efficiency lowered, but the heating and cooling performance of certain devices such as boilers and air conditioners with conventional heat exchangers are significantly reduced.

The present invention has been made to solve the above problems, an object of the present invention is to insert one end of the appearance of the separation prevention member is coupled to one end of the body in a state in which the separation prevention member is coupled to the outer peripheral surface of one end of the appearance and By combining the cover with one end of the body part having the outer appearance, the coupling force of the outer part and the body part can be remarkably improved, and as a result, the productivity of the work and the heat exchange that can prevent the risk due to the separation of the outer part and the body part in advance. In providing a connector for the aircraft.

In addition, by installing a check ring on one side of the inner surface of the cover and supporting the outer circumferential surface of the exterior inserted into one end of the body, the separation between the exterior and the body can be prevented in advance, thereby improving the coupling force of the exterior and the body. In providing a coffin.

In addition, by installing a vortex generating portion on one side of the inner surface of the body portion, the second fluid obtained by the body portion is moved along the vortex generating portion to generate the vortex, thereby causing a temperature deviation of the second fluid located outside and inside the region between the exterior and the inner tube. In addition, the heat exchange efficiency between the first fluid and the second fluid can be kept constant, and the heat exchange time between the first fluid and the second fluid can be increased to significantly improve the heat exchange efficiency between the first fluid and the second fluid. The present invention provides a connector for a heat exchanger.

In addition, by providing a guide portion formed with a guide hole in the direction of the vortex generating portion on one side inside the branch pipe to easily guide the second fluid obtained through the branch pipe to the vortex generating portion and at the same time the movement speed of the second fluid moved to the vortex generating portion It is to provide a connection pipe for the heat exchanger that can generate a stronger vortex by the vortex generator by raising the.

According to an aspect of the present invention for achieving the above object, both ends of the heat exchanger formed of a double tube to exchange heat between the first fluid and the second fluid obtained between the outer tube and the inner tube is obtained. In the connection tube for heat exchanger coupled to, the hollow body portion is inserted into one end and the end of any one of the both ends of the outer end portion and a through hole is formed in the center so that the inner tube is penetrated through the through hole, the body portion Sealing means that is hermetically coupled to the other end, extending from one side of the body portion is in communication with the hollow, the branch pipe through which the second fluid enters and exits, and is fitted to the outer peripheral surface of the appearance, the appearance is When inserted into one end of the body portion, one side of the separation prevention member and the passage hole through which the appearance passes in the center supported by the front end of the body portion And forming, in the heat exchanger connected gwanreul provide characterized sandwiching the release preventing member comprises a cover that is coupled to one end of the body portion.

In addition, the separation preventing member is preferably formed of a rubber material.

In addition, the ring ring is inserted and coupled to be in close contact with the inner surface of the cover and the release ring including an anti-separation piece formed to protrude obliquely inward from the inner surface of the ring body to support the outer circumferential surface of the one end of the outer surface coupled to the body portion May contain.

In addition, the second fluid of the body portion is provided on the movement path of the second fluid is moved to the external appearance, a spiral guide blade is formed along the inner circumferential surface and the second fluid is moved to the external guide It is preferable that the vortex is generated while moving along the feather, and further comprising a vortex generating unit having a through hole through which the inner tube passes.

In addition, the second fluid is provided on the inner side of the branch pipe, the upper surface is formed to be inclined downward in the direction of the vortex generating portion, the guide portion formed with at least one guide hole formed in the direction of the vortex generating portion on one side It may further include.

Here, the guide hole is preferably formed to be narrowed inward.

According to the present invention as described above, one end portion of the exterior combined with the separation prevention member in the state coupled to the outer peripheral surface of one end portion of the exterior to one end of the body portion, the cover is coupled to one end of the body portion coupled to the exterior By doing so, not only the bonding force of the appearance and the body can be remarkably improved, and thus, the productivity and the risk of the separation of the appearance and the body can be prevented.

In addition, by installing a check ring on one side of the inner surface of the cover and supporting the outer circumferential surface of the exterior inserted into one end of the body, the separation between the exterior and the body can be prevented, thereby improving the bonding force of the exterior and the body. .

In addition, by installing a vortex generating portion on one side of the inner surface of the body portion, the second fluid obtained by the body portion is moved along the vortex generating portion to generate the vortex, thereby causing a temperature deviation of the second fluid located outside and inside the region between the exterior and the inner tube. In addition, the heat exchange efficiency between the first fluid and the second fluid can be kept constant, and the heat exchange time between the first fluid and the second fluid can be increased to significantly improve the heat exchange efficiency between the first fluid and the second fluid. It can be effective.

In addition, by installing a guide portion formed with a guide hole in the direction of the vortex generating portion on one side inside the branch pipe to easily guide the second fluid obtained through the branch pipe to the vortex generating portion and at the same time increases the moving speed of the second fluid moved to the vortex generating portion. It is effective to generate a stronger vortex by the vortex generating unit.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Prior to the description, the configuration of the heat exchanger described in one embodiment of the present invention is well known to those skilled in the art, and detailed description thereof will be omitted.

1 is an exploded perspective view of a heat exchanger connection tube according to an embodiment of the present invention, Figure 2 is a cross-sectional view of the heat exchanger connection tube according to an embodiment of the present invention.

As shown in FIG. 1, the connection pipe 30 for a heat exchanger according to an embodiment of the present invention includes a body part 31, a sealing means 32, a branch pipe 33, a separation preventing member 34 and , A cover 35 and a check ring 36.

The body part 31 is formed in the substantially cylindrical shape of the hollow 31a, the threaded line 31c is formed in the outer peripheral surface of one end, and the threaded line 31b is formed in the inner peripheral surface of the other end.

In addition, the body portion 31 is preferably formed with an inclined portion 31d inclined inward on the inner circumferential surface of one end portion formed with the screw line 31c on the outer circumferential surface so that the separation preventing member 34 to be described later is easily inserted.

The body portion 31 has one end of the outer portion 10 is inserted and coupled to one end, the inner tube 20 is penetrated to the other end, the second fluid is obtained through the branch pipe 33 to be described later obtained It serves to guide the second fluid to the exterior (10).

The sealing means 32 is screwed to the other end of the body portion 31 to shield the other end of the body portion 31, and a through hole 32a is formed in the center to the inner tube (through the through hole 32a) 20) serves to pass through the body portion 31.

In addition, although the sealing means 32 is not shown in the drawing, the through-hole (not to leak the second fluid obtained into the body part 31 by the gap generated between the through-hole 32a and the inner tube 20) It is preferable that the sealing member is coupled between 32a) and the inner tube 20.

Branch pipe 33 is formed extending from one side of the body portion 31, the inside is in communication with the hollow 31a of the body portion 31 serves to guide the second fluid to the body portion 31 to be received therein. Do it.

The separation preventing member 34 is formed in a substantially ring shape and is coupled to an outer circumferential surface of the exterior 10 inserted into one end of the body portion 31 to be supported on one side of the cover 35 and the body portion 31. It prevents the separation of the body 10 and the body 31 in advance, and prevents the leakage of the second fluid between the exterior 10 and the body 31, a high coefficient of friction and airtight rubber material It is preferably formed.

And, the separation preventing member 34 is formed on both ends of the inclined groove (35c) of the cover 35 to be described later, and the inclined surface (34a) of the shape corresponding to the inclined portion (31d) of the body portion 31 is formed have.

This is because the inclined surface 34a of the separation preventing member 34 is moved while riding the inclined portion 31d of the body portion 31 when the release preventing member 34 is inserted into one end of the body portion 31. This is to ensure that the separation preventing member 34 is hermetically inserted into the part 31, and the reason why the inclined surface 34a corresponding to the inclined groove 35c of the cover 35 is formed is also the same context.

The cover 35 has a through hole 35a through which the exterior 10 passes in the center thereof, and a threaded line 35b corresponding to the threaded line 31b formed on the outer circumferential surface of the body part 31 is formed on the inner circumferential surface thereof to prevent separation. The member 34 is screwed to one end of the body portion 31 with the body portion 31 therebetween.

The cover 35 supports the one side of the separation preventing member 34 coupled to the outer circumferential surface of the exterior 10 so that the separation preventing member 34 is externally exposed by the pressure of the second fluid that is received into the body part 31. By preventing the departure from the separation prevention member 34 serves to prevent the appearance 10 coupled to the body portion 31 to be separated.

In addition, the cover 35 has an inclined groove 35c having a shape corresponding to the inclined surface 34a of the separation preventing member 34 on one side of the inner surface, and a check ring 36 to be described later in front of the inclined groove 35c. The insertion groove 35d to be inserted is formed.

The check ring 36 includes a ring body 36a which is inserted and coupled to be in close contact with the insertion groove 35d of the cover 35, and an anti-separation piece 36b protruding obliquely from the inner side of the ring body 36a to the rear side. It is configured to, while supporting the outer peripheral surface of the exterior 10 inserted into one end of the body portion 31 serves to improve the coupling force of the exterior 10 and the body portion 31 more.

Thus, the connection pipe 30 for the heat exchanger according to an embodiment of the present invention by the coupling portion and the support structure of the body portion 31, the separation preventing member 34 and the cover 35 and the body portion 10 and the body portion Not only can the binding force of (31) be significantly improved, and as a result, there is an effect of preventing the risk of the productivity of the work and the separation of the appearance 10 and the body portion 31 in advance.

In addition, the departure prevention piece 36b of the check ring 36 supports the outer circumferential surface of the exterior 10 in the direction in which the exterior 10 enters, thereby preventing the exterior 10 inserted into the body 31 from being separated. By preventing the effect that can improve the coupling force of the appearance 10 and the body portion 31 is more generated.

Figure 3 is a cross-sectional view of a connector for a heat exchanger according to another embodiment of the present invention, Figure 4 is a perspective view of a vortex generator according to another embodiment of the present invention, Figure 5 is a perspective view of a guide according to another embodiment of the present invention to be.

The basic configuration of the embodiment of FIG. 3 is the same as that of the embodiment of FIGS. 1 and 2, but generates a vortex with the second fluid obtained through the body part 31 to increase the heat exchange time between the first fluid and the second fluid, and the second By reducing the temperature deviation generated according to the position in which the fluid is moved to the outside and the inside of the region between the exterior 10 and the inner tube 20 is configured to maintain a constant efficiency of heat exchange during heat exchange between the first fluid and the second fluid .

As shown in FIG. 3, unlike the previous embodiment, the vortex generator 37 is installed on one side of the body 31, and the guide part 38 is further installed inside the branch pipe 33. will be.

Referring to FIG. 4, the vortex generator 37 will be described as having a substantially circular ring shape, and a plurality of spiral guide vanes 37a are formed on an inner surface thereof, and an inner tube 20 in the center thereof. This passing hole 37b is formed to allow the second fluid to move along the guide vane 37a to serve to generate the vortex.

5, when the guide part 38 is described with reference to FIG. 5, when the guide part 38 is installed inside the branch pipe 33, the upper part is formed to be inclined downward in the direction in which the vortex generator 37 is installed. The guide hole 38a which penetrated in the direction in which 37 is provided is formed.

Here, the guide portion 38 guides the second fluid flowing into the body portion 31 through the branch pipe 33 toward the vortex generator 37 and at the same time moves the second fluid moved to the vortex generator 37. The speed is increased to serve to generate a strong vortex by the vortex generator 37.

In addition, the guide hole 38a is preferably formed to be narrower from the bottom to the upper surface to increase the moving speed of the second fluid passing through the guide hole 38a.

In addition, the guide portion 38 may be screwed to be hermetically coupled to the branch pipe (33).

6 is a view showing the operation of the heat exchanger connector according to another embodiment of the present invention.

Operation of the vortex generator 37 and the guide unit 38 will be described with reference to FIG. 6 as follows.

When the first fluid is introduced into the inner tube 20 and moves along the inner tube 20, and the second fluid is obtained through the branch pipe 33, the second fluid opens the guide hole 38a of the guide 38. It is introduced into the body portion 31 through.

At this time, while the second fluid passes through the guide hole 38a having a diameter significantly smaller than that of the branch pipe 33, the moving speed is significantly increased, and in the state where the moving speed is increased, the vortex generator 37 Is moved.

As described above, the second fluid is moved to the vortex generator 37 and the vortex is generated while passing through the vortex generator 37 along the guide vane 37a, and the generated vortex is introduced into the exterior 10.

As such, the vortex passing through the exterior 10 exchanges heat with the first fluid while rotating, thereby increasing heat exchange time.

In addition, the temperature difference between the second fluid located inside of the second fluid located between the exterior 10 and the inner tube 20 and the second fluid located outside affected by the outside temperature is generated. As a result, the temperature difference is reduced while the second fluid located at the outside and the second fluid located at the inside are mixed, whereby the heat exchange efficiency between the first fluid and the second fluid can be kept constant.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it is possible to make various modifications or variations without departing from the spirit and scope of the invention. Accordingly, the appended claims will cover such modifications and variations as fall within the spirit of the invention.

1 is an exploded perspective view of a connector for a heat exchanger according to an embodiment of the present invention;

2 is a cross-sectional view of a connection pipe for a heat exchanger according to an embodiment of the present invention;

3 is a cross-sectional view of a connection pipe for a heat exchanger according to another embodiment of the present invention;

4 is a perspective view of a vortex generator according to another embodiment of the present invention;

5 is a perspective view of a guide according to another embodiment of the present invention;

Figure 6 is a view showing the operation of the heat exchanger connector according to another embodiment of the present invention.

<Description of main drawing code>

10: appearance 20: inner tube

30: connector 31: the body

32: sealing means 33: branch pipe

34: separation prevention member 35: cover

36: check ring 37: vortex generator

38: guide

Claims (6)

In the heat exchanger connecting tube coupled to both ends of the outer heat exchanger formed of a double tube to allow heat exchange between the first fluid obtained in the inner tube and the second fluid obtained between the outer tube and the inner tube, A hollow body portion into which one end of any one of both ends of the appearance is inserted at one end; A through-hole formed in a center thereof, the inner tube penetratingly coupled to the through-hole, and tightly coupled to the other end of the body part; A branch pipe extending from one side of the body part to communicate with the hollow and into and out of the second fluid; A separation prevention member fitted to an outer circumferential surface of the exterior and having one side supported at a front end of the body when the exterior is inserted into one end of the body; The cover is formed in the center through the through hole, the cover coupled to one end of the body portion with the separation preventing member therebetween; A ring body inserted into and coupled to the inner surface of the cover; And And a check ring including an anti-separation piece that protrudes from the inner surface of the ring body to the rear inwardly and supports an outer circumferential surface of the one end portion of the outer surface coupled to the body portion. delete delete delete The method of claim 1, The second fluid of the body portion is provided on the movement path of the second fluid is moved to the external appearance, a spiral guide feather is formed along the inner circumferential surface and the second fluid is moved to the external appearance Vortex generated while moving along, the vortex generating unit has a through hole through which the inner tube passes; And The second fluid is installed on one side of the inside of the branch pipe, the upper surface is formed to be inclined downward in the direction of the vortex generating portion, and further comprises a guide portion formed with at least one guide hole formed in the direction of the vortex generating portion on one side Connector for heat exchanger, characterized in that. The method of claim 5, The guide hole is a connector for a heat exchanger characterized in that it is formed to be narrowed inward.

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