CN217424044U - Microchannel heat exchanger capable of effectively fixing flow guide pipe - Google Patents

Abstract

The utility model discloses a microchannel heat exchanger that can effectively fix honeycomb duct, including microchannel heat exchanger main part, microchannel heat exchanger main part comprises first pressure manifold, second pressure manifold and flat pipe group, flat pipe is evenly installed to the inboard of first pressure manifold and second pressure manifold, and the inside of flat pipe all evenly is provided with built-in microchannel. The utility model discloses a establish fixed cover in the honeycomb duct main part outside, will seal the inner tube simultaneously and put into between communicating pipe and the honeycomb duct main part, it is fixed mutually with communicating pipe through thread head and thread groove to rotate fixed cover, sealed inner tube extrudees and drives first sealed piece and the sealed piece of second and agree with each other between communicating pipe and honeycomb duct main part this moment, with the sealing performance who improves structural connection, thereby it is fixed to accomplish the installation of honeycomb duct main part, at the locating piece, the fixed action to the honeycomb duct main part can effectively be played under the mutual spacing of constant head tank and fixed cover.

Description

Microchannel heat exchanger capable of effectively fixing flow guide pipe

Technical Field

The utility model relates to a microchannel heat exchanger technical field, in particular to microchannel heat exchanger that can effectively fix honeycomb duct.

Background

The microchannel is also called as a microchannel heat exchanger, a flat tube of the heat exchanger is internally provided with dozens of fine flow channels, two ends of the flat tube are connected with a round header, and a clapboard is arranged in the header to divide the flow channels of the heat exchanger into a plurality of flows;

the pressure manifold of microchannel heat exchanger one side is gone up to dash in advance there is horizontal mounting hole, and the welding has the honeycomb duct that supplies the refrigerant to flow in and flow out in the horizontal mounting hole, but honeycomb duct and manifold are direct usually welded connection, if when colliding with the foreign object in honeycomb duct transportation removal process, thereby its stress surface is great makes the effort that the splice received great easily, then cause the damage of splice easily, the intensity of splice has been reduced, and then can take place the seepage phenomenon when leading to the honeycomb duct to use unstable, if the honeycomb duct receives the damage simultaneously, then need be changed together with the synchronous of manifold, and then cost of maintenance has been improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a microchannel heat exchanger that can effectively fix honeycomb duct to the damage that can cause the welding department when honeycomb duct bumps with the foreign object that proposes in solving above-mentioned background art makes the unstable problem of honeycomb duct.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a microchannel heat exchanger that can effectively fix honeycomb duct, includes microchannel heat exchanger main part, microchannel heat exchanger main part comprises first pressure manifold, second pressure manifold and flat pipe, flat pipe is evenly installed to the inboard of first pressure manifold and second pressure manifold, and the inside of flat pipe all evenly is provided with built-in microchannel, the both ends that flat pipe one side was kept away from to the second pressure manifold all install communicating pipe, and keeps away from one side of flat pipe all install sealed inner tube communicating pipe, sealed inner tube keeps away from one side of communicating pipe and all installs the honeycomb duct main part, and the outside of honeycomb duct main part all overlaps and is equipped with fixed cover.

When the micro-channel heat exchanger of the flow guide pipe can be effectively fixed by using the technical scheme, the flow guide pipe main body can be effectively fixed by using the functions of the communicating pipe, the sealed inner pipe and the fixed sleeve, and meanwhile, the flow guide pipe main body and the communicating pipe are of a detachable connection structure, so that the flow guide pipe main body can be taken down to ensure the strength of the welding position of the second flow guide pipe in the transportation and moving process.

Preferably, first sealed pieces are installed on two sides of the sealed inner pipe, and second sealed pieces are installed inside the communicating pipe and the guide pipe main body. The sealing performance of medium transmission can be improved under the action of the first sealing block and the second sealing block.

Preferably, the outer sides of the first sealing blocks are provided with sealing gaskets made of polytetrafluoroethylene. The sealing effect can be enhanced by the sealing gasket.

Preferably, one side of the communicating pipe close to the fixed sleeve is provided with a thread groove, one side of the fixed sleeve close to the communicating pipe is provided with a thread head, and the thread head is connected with the thread groove.

Preferably, the communicating pipe and the micro-channel heat exchanger body are in welded connection, and the inner diameter of the communicating pipe is equal to that of the flow guide pipe body in size.

Preferably, the two ends of the sealed inner tube, which are close to one side of the flow guide tube main body, are provided with positioning grooves, the two ends of the flow guide tube main body, which are close to one side of the sealed inner tube, are provided with positioning blocks, and the positioning blocks are connected with the positioning grooves. The positioning block and the positioning groove can limit the flow guide pipe main body.

Compared with the prior art, the beneficial effects of the utility model are that: the microchannel heat exchanger capable of effectively fixing the flow guide pipe realizes the function of convenient fixation, a communicating pipe is arranged, a welding connection structure is arranged between the communicating pipe and the second flow guide pipe, meanwhile, the communicating pipe has smaller volume compared with the flow guide pipe main body, and is not easy to collide with the outside in the transportation or moving process, so that the strength of a welding part can be effectively ensured after the flow guide pipe main body is installed, when the flow guide pipe main body needs to be installed, the fixed sleeve is firstly sleeved on the outer side of the flow guide pipe main body, the sealing inner pipe is simultaneously placed between the communicating pipe and the flow guide pipe main body, the fixed sleeve is rotated and is fixed with the communicating pipe through the thread head and the thread groove, the sealing inner pipe is extruded between the communicating pipe and the flow guide pipe main body at the moment and drives the first sealing block and the second sealing block to mutually fit, so as to improve the sealing performance of structural connection, thereby completing the installation and fixation of the flow guide pipe main body, can effectively play the fixed action to the honeycomb duct main part under the mutual spacing of locating piece, constant head tank and fixed cover, and the convenient to use of dismouting, can be single change when the honeycomb duct main part damages, the effectual replacement cost that has reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic top view sectional structure diagram of the second header pipe of the present invention;

fig. 3 is a schematic structural view of a portion a in fig. 2 according to the present invention;

fig. 4 is a schematic view of a cross-sectional structure of a communication pipe in a plan view;

fig. 5 is a schematic top view of the cross-sectional structure of the inner tube of the present invention;

fig. 6 is a schematic view of the top-view section structure of the flow guide tube body of the present invention.

The reference numerals in the figures illustrate: 1. a microchannel heat exchanger body; 2. a first header; 3. a second header; 4. flat tubes; 5. a built-in microchannel; 6. a communicating pipe; 7. sealing the inner tube; 8. a draft tube main body; 9. a first seal block; 10. a gasket; 11. a second seal block; 12. fixing a sleeve; 13. a screw head; 14. a thread groove; 15. positioning a groove; 16. and (5) positioning the blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides an embodiment: a micro-channel heat exchanger capable of effectively fixing a flow guide pipe comprises a micro-channel heat exchanger main body 1, wherein the micro-channel heat exchanger main body 1 is composed of a first flow collecting pipe 2, a second flow collecting pipe 3 and flat pipes 4, the flat pipes 4 are uniformly arranged on the inner sides of the first flow collecting pipe 2 and the second flow collecting pipe 3, built-in micro-channels 5 are uniformly arranged inside the flat pipes 4, and communicating pipes 6 are respectively arranged at two ends of the second flow collecting pipe 3, which are far away from one side of each flat pipe 4;

the communicating pipe 6 and the micro-channel heat exchanger main body 1 are in welded connection, and the inner diameter of the communicating pipe 6 is equal to that of the flow guide pipe main body 8;

specifically, as shown in fig. 2, when in use, the stability of the installation of the draft tube main body 8 can be ensured through the welding connection relationship between the communicating tube 6 and the micro-channel heat exchanger main body 1, and the stability of medium transportation can be maintained through the equal size of the inner diameter of the communicating tube 6 and the inner diameter of the draft tube main body 8;

one side of the communicating pipe 6, which is far away from the flat pipe 4, is provided with a sealing inner pipe 7, and one side of the sealing inner pipe 7, which is far away from the communicating pipe 6, is provided with a guide pipe main body 8;

the two sides of the sealed inner pipe 7 are respectively provided with a first sealing block 9, the communicating pipe 6 and the inner part of the guide pipe main body 8 are respectively provided with a second sealing block 11, the outer sides of the first sealing blocks 9 are respectively provided with a sealing gasket 10, and the sealing gaskets 10 are made of polytetrafluoroethylene;

specifically, as shown in fig. 3, when in use, the sealing performance during medium transmission can be effectively ensured through the action of the first sealing block 9, the second sealing block 11 and the sealing gasket 10;

positioning grooves 15 are formed in two ends, close to one side of the draft tube main body 8, of the sealed inner tube 7, positioning blocks 16 are arranged at two ends, close to one side of the sealed inner tube 7, of the draft tube main body 8, and the positioning blocks 16 are connected with the positioning grooves 15;

specifically, as shown in fig. 5 and 6, when in use, the positioning block 16 and the positioning groove 15 can limit the flow guide pipe main body 8;

and the outer side of the draft tube main body 8 is sleeved with a fixed sleeve 12;

one side of the communicating pipe 6 close to the fixed sleeve 12 is provided with a thread groove 14, one side of the fixed sleeve 12 close to the communicating pipe 6 is provided with a thread head 13, and the thread heads 13 are connected with the thread groove 14;

specifically, as shown in fig. 5, the screw head 13 and the screw groove 14 function to quickly fix the flow guide tube body 8 in use.

The working principle is as follows: the utility model discloses when using, at first through 6 effect less than in 8 its volumes of honeycomb duct main part of communicating pipe, can be in transportation or removal in-process difficult and external bump, thereby can effectually guarantee its welding department's intensity after 8 installations of honeycomb duct main part, when needs are installed honeycomb duct main part 8, at first establish fixed cover 12 cover in the honeycomb duct main part 8 outside, put into simultaneously sealed inner tube 7 between 6 and honeycomb duct main part 8, it is fixed mutually with communicating pipe 6 to rotate fixed cover 12 and through screwed head 13 and thread groove 14, sealed inner tube 7 extrudees and drives first sealed piece 9 and second sealed piece 11 and agree with each other between 6 and honeycomb duct main part 8 this moment, in order to improve structural connection's sealing performance, thereby it is fixed to accomplish the installation of honeycomb duct main part 8, at locating piece 16, constant head tank 15 and fixed cover 12 can effectively play the fixed of honeycomb duct main part 8 under the mutual spacing Effect, and the convenient to use of dismouting, can be single change when honeycomb duct main part 8 damages, the effectual replacement cost that has reduced flows in and flows out the refrigerant through honeycomb duct main part 8 after the installation is accomplished.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (6)

1. The utility model provides a microchannel heat exchanger that can effectively fix honeycomb duct, includes microchannel heat exchanger main part (1), its characterized in that: microchannel heat exchanger main part (1) comprises first pressure manifold (2), second pressure manifold (3) and flat pipe (4), flat pipe (4) are evenly installed to the inboard of first pressure manifold (2) and second pressure manifold (3), and the inside of flat pipe (4) all evenly is provided with built-in microchannel (5), both ends that flat pipe (4) one side was kept away from in second pressure manifold (3) all install communicating pipe (6), and one side that flat pipe (4) were kept away from in communicating pipe (6) all installs sealed inner tube (7), one side that sealed inner tube (7) were kept away from communicating pipe (6) all installs honeycomb duct main part (8), and the outside of honeycomb duct main part (8) all overlaps and is equipped with fixed cover (12).

2. The microchannel heat exchanger capable of effectively fixing the flow guide pipe as claimed in claim 1, wherein: first sealed piece (9) are all installed to the both sides of sealed inner tube (7), sealed piece (11) of second are all installed to the inside of communicating pipe (6) and honeycomb duct main part (8).

3. The microchannel heat exchanger capable of effectively fixing the flow guide pipe as claimed in claim 2, wherein: the outside of first sealed piece (9) all installs sealed pad (10), and the material of sealed pad (10) is polytetrafluoroethylene.

4. The microchannel heat exchanger capable of effectively fixing the flow guide pipe as claimed in claim 1, wherein: one side of the communicating pipe (6) close to the fixed sleeve (12) is provided with a thread groove (14), one side of the fixed sleeve (12) close to the communicating pipe (6) is provided with a thread head (13), and the thread head (13) is connected with the thread groove (14).

5. The microchannel heat exchanger capable of effectively fixing the flow guide pipe as claimed in claim 1, wherein: the micro-channel heat exchanger is characterized in that the communicating pipe (6) and the micro-channel heat exchanger main body (1) are in welded connection, and the inner diameter of the communicating pipe (6) is equal to that of the flow guide pipe main body (8).

6. The microchannel heat exchanger capable of effectively fixing the flow guide pipe as claimed in claim 1, wherein: both ends that sealed inner tube (7) are close to honeycomb duct main part (8) one side all are provided with constant head tank (15), locating piece (16) are all installed at the both ends that honeycomb duct main part (8) are close to sealed inner tube (7) one side, and locating piece (16) are connected with constant head tank (15).

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