CN214620818U - Seal strip for plate-fin heat exchanger - Google Patents
Seal strip for plate-fin heat exchanger Download PDFInfo
- Publication number
- CN214620818U CN214620818U CN202120727527.XU CN202120727527U CN214620818U CN 214620818 U CN214620818 U CN 214620818U CN 202120727527 U CN202120727527 U CN 202120727527U CN 214620818 U CN214620818 U CN 214620818U
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- main body
- seal
- plate
- seal main
- reinforcing plate
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Abstract
The utility model relates to the technical field of heat exchanger parts, in particular to a seal for a plate-fin heat exchanger, which comprises a seal main body and a reinforcing plate; the seal main body is in a strip shape and extends along the horizontal direction; the cross section of the seal main body is of an arc-shaped structure; a plurality of partition board inserting openings are formed in the upper arc surface of the seal main body and the lower arc surface of the seal main body; the partition board inserting opening penetrates through the seal main body; the reinforcing plate is fixedly arranged on the inner surface of the seal main body; the upper edge and the lower edge of the reinforcing plate are provided with a plurality of inserting pieces; the insertion piece extends into the clapboard insertion opening; the inserting pieces and the inserting holes of the partition board are arranged in a one-to-one correspondence mode. The utility model discloses a set up baffle socket and insertion piece, realize the fixed to the baffle through the baffle socket on two strip of paper used for sealing, the utility model discloses relative prior art has removed the processing step of brazing of strip of paper used for sealing and baffle from, on simplifying the basis of the processing technology of plate-fin heat exchanger, has realized that the equipment to strip of paper used for sealing and baffle is fixed.
Description
Technical Field
The utility model relates to a heat exchanger spare part technical field, concretely relates to strip of paper used for sealing for plate-fin heat exchanger.
Background
The plate-fin heat exchanger utilizes the disturbance of fins to fluid to continuously break a boundary layer, so that the plate-fin heat exchanger has a larger heat exchange coefficient; meanwhile, due to the high thermal conductivity of the metal material for manufacturing the plate-fin heat exchanger, the plate-fin heat exchanger can achieve good heat exchange efficiency. The plate-fin heat exchanger mainly comprises a plate-fin heat exchanger core body and an end enclosure, wherein the plate-fin heat exchanger core body mainly comprises a seal, a partition plate and fins. The sealing strip is used as an important part of the plate-fin heat exchanger, can play a role in sealing a heat medium channel and a refrigerant channel and also can provide a certain supporting strength for the fins.
The prior art seals are typically of an elongated cubic configuration. When the plate-fin heat exchanger core body is assembled, the partition plates and the sealing strips need to be manually stacked layer by layer according to preset arrangement, welding fluxes are arranged at all connecting parts, and the whole body is transferred to a brazing furnace to be heated, so that the connecting parts of the partition plates and the sealing strips are welded and fixed into a whole. The whole processing technology is complex and fussy because of the need of assembling, transferring and finally heating and brazing.
SUMMERY OF THE UTILITY MODEL
To the technical defect, the utility model aims at providing a strip of paper used for sealing for plate-fin heat exchanger.
In order to solve the technical problem, the utility model provides a technical scheme does:
the utility model provides a seal for a plate-fin heat exchanger, which comprises a seal main body and a reinforcing plate; the seal main body is long and extends along the horizontal direction; the cross section of the seal main body is of an arc-shaped structure; a plurality of partition board inserting openings are formed in the upper arc surface of the seal main body and the lower arc surface of the seal main body; the clapboard inserting opening penetrates through the seal main body; one surface of the seal main body facing the heat exchanger fin is an inner surface; the reinforcing plate is fixedly arranged on the inner surface of the seal main body; the extending direction of the reinforcing plate is the same as that of the seal main body; the upper edge of the reinforcing plate is fixedly connected with the partition plate inserting opening on the upper arc surface of the seal main body; the lower edge of the reinforcing plate is fixedly connected with the partition plate inserting opening on the lower arc surface of the seal main body; a plurality of inserting parts are arranged on the upper edge and the lower edge of the reinforcing plate; the insert extends into the baffle socket; the inserting pieces and the partition board inserting holes are arranged in a one-to-one correspondence mode.
Further, the inserting piece is of a cylindrical hollow structure; one end of the inserting piece is fixedly arranged at the edge of the reinforcing plate; the other end of the inserting piece is an inserting piece socket; the insertion part insertion opening is in a convergent shape; the minimum inner diameter of the socket is smaller than the inner diameter of the inner wall of the socket.
Further, the insert is made of an elastic material.
Further, a gap is formed between the outer wall of the inserting piece and the inner wall of the partition board inserting opening; the insert is movable within the gap.
Furthermore, a sealing strip is welded at the joint of the edge of the reinforcing plate and the insertion opening of the clapboard; the sealing strip is used for sealing a connecting gap between the reinforcing plate and the partition plate insertion opening.
Further, the cross section of the reinforcing plate is of an arc-shaped structure; the arc-shaped surface of the reinforcing plate is arranged to deviate from the inner surface of the seal main body.
Further, the partition board inserting holes on the upper arc surface of the seal main body are arranged in rows; the partition board inserting openings on the lower arc surface of the seal main body are arranged in rows; all the partition board insertion holes are arranged in the same direction as the extending direction of the seal main body.
The utility model has the advantages of or beneficial effect:
the utility model provides a seal for a plate-fin heat exchanger, which comprises a seal main body and a reinforcing plate; the seal main body is in a strip shape and extends along the horizontal direction; the cross section of the seal main body is of an arc-shaped structure; a plurality of partition board inserting openings are formed in the upper arc surface of the seal main body and the lower arc surface of the seal main body; the partition board inserting opening penetrates through the seal main body; one surface of the seal main body facing the heat exchanger fin is an inner surface; the reinforcing plate is fixedly arranged on the inner surface of the seal main body; the extending directions of the reinforcing plate and the seal main body are the same; the upper edge of the reinforcing plate is fixedly connected with a partition plate inserting opening on the upper cambered surface of the seal strip main body; the lower edge of the reinforcing plate is fixedly connected with a partition plate inserting opening on the lower cambered surface of the seal main body; the upper edge and the lower edge of the reinforcing plate are provided with a plurality of inserting pieces; the insertion piece extends into the clapboard insertion opening; the inserting pieces and the inserting holes of the partition board are arranged in a one-to-one correspondence mode.
The utility model has the advantages that through the arrangement of the partition board socket and the inserting piece and the matching of the corresponding heat exchanger partition board, on one hand, the partition board socket can play a positioning role for the installation of the partition board and the seal, thereby shortening the assembly time of the seal and the partition board and improving the working efficiency of technicians; on the other hand, be provided with on the baffle with the grafting position of plug-in components looks adaptation, realize fixed to the baffle through the baffle socket on two strip of paper used for sealing, the utility model discloses relative prior art has removed the processing step of brazing of strip of paper used for sealing and baffle from, on the basis of simplifying plate-fin heat exchanger's processing technology, has realized that the equipment to strip of paper used for sealing and baffle is fixed.
Drawings
The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 is a front cross-sectional view of a seal strip for a plate-fin heat exchanger provided in embodiment 1 of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is a schematic structural diagram of a seal for a plate-fin heat exchanger according to embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of a seal strip for a plate-fin heat exchanger according to embodiment 1 of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
As the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientation or positional relationship is based on that shown in the drawings, merely for convenience in describing the invention and simplifying the description, and does 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 therefore should not be construed as limiting the invention.
The appearances of the terms first, second, and third, if any, are used for descriptive purposes only and are not intended to be limiting or imply relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be 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 technical solutions in the embodiments of the present invention are described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
In order to simplify the assembly process of the seal and the partition plate, the seal for a plate-fin heat exchanger provided in this embodiment 1, as shown in fig. 1 to 4, includes a seal main body 1 and a reinforcing plate 2; the seal main body 1 is long and extends in the horizontal direction; the cross section of the seal main body 1 is of an arc-shaped structure; a plurality of partition board inserting openings 11 are formed in the upper arc surface of the seal main body 1 and the lower arc surface of the seal main body 1; the clapboard inserting opening 11 penetrates through the seal main body 1; one surface of the seal main body 1 facing the heat exchanger fin is an inner surface; the reinforcing plate 2 is fixedly arranged on the inner surface of the seal main body 1; the extending direction of the reinforcing plate 2 is the same as that of the seal main body 1; the upper edge of the reinforcing plate 2 is fixedly connected with a partition plate inserting opening 11 on the upper cambered surface of the seal strip main body 1; the lower edge of the reinforcing plate 2 is fixedly connected with a partition plate inserting opening 11 on the lower cambered surface of the seal main body 1; the upper edge and the lower edge of the reinforcing plate 2 are provided with a plurality of inserting pieces 21; the insert 21 extends into the bulkhead receptacle 11; the inserting pieces 21 are arranged in one-to-one correspondence with the partition insertion holes 11.
In this embodiment 1, there is also a partition plate 01 correspondingly connected to the seal, and a specific structure diagram of the partition plate 01, as shown in fig. 1, the partition plate 01 is plate-shaped, two side edges of the partition plate 01 are arc-shaped and are matched with the arc surface of the seal main body 1, two side edges of the partition plate 01 are respectively provided with an insertion portion 011 correspondingly connected to the insertion member 21, and the insertion portion 011 can be inserted into the partition plate insertion opening 11 and connected to the insertion member 21; in this embodiment 1, by arranging the partition board insertion opening 11 and the insertion member 21 and matching the corresponding partition board 01, on one hand, the partition board insertion opening 11 can play a role in positioning the partition board 01 and the seal, thereby shortening the assembly time of the seal and the partition board 01 and improving the working efficiency of technicians; on the other hand, the partition plate 01 is fixed through the partition plate insertion openings 11 on the two seal strips, and compared with the scheme of connecting the seal strips and the partition plate 01 in the prior art by brazing, in this embodiment 1, the step of brazing the seal strips and the partition plate 01 is omitted, and the seal strips and the partition plate 01 are assembled and fixed on the basis of simplifying the processing technology of the plate-fin heat exchanger.
Preferably, in the seal for a plate-fin heat exchanger provided in this embodiment 1, as shown in fig. 1 to 4, the insertion element 21 has a cylindrical hollow structure; one end of the inserting piece 21 is fixedly arranged at the edge of the reinforcing plate 2; the other end of the inserting piece 21 is an inserting piece socket 211; the plug-in member socket 211 is convergent; the minimum inner diameter of the socket 211 is smaller than the inner diameter of the inner wall of the socket 21 (i.e. the socket 211 protrudes inwardly in the inner wall of the socket 21). In this embodiment 1, the partition board 01 and the seal main body 1 are connected by interference fit, as shown in fig. 2, fig. 2 is an enlarged view of a point a in fig. 1 (a schematic view of a connection structure of an insertion portion 011 of the partition board 01 and an insertion part 211), a diameter of the insertion portion 011 on the partition board 01 is larger than a minimum inner diameter of the insertion part insertion opening 211 and smaller than an inner diameter of an inner wall of the insertion part 21, when the seal and the partition board 01 are assembled, the insertion portion 011 is aligned with the insertion part insertion opening 211, and then the insertion portion 011 is clamped at a protruding portion of the inner wall of the insertion part 21 by a method such as, but not limited to, a hammering method and a pressing method, so as to fix the insertion portion 011 on the partition board 01 and the insertion part 21, thereby assembling the seal and the partition board 01.
In order to facilitate the assembly and fixation of the partition plate 01 and the seal, in the seal for a plate-fin heat exchanger provided in this embodiment 1, the insertion member 21 is made of an elastic material; a gap is arranged between the outer wall of the inserting piece 21 and the inner wall of the clapboard inserting opening 11; the insert 21 is movable within the gap. The reason why the inserting member 21 in this embodiment 1 is made of an elastic material is that when the partition plate 01 is mounted, the inserting portion 011 on the partition plate 01 can have a sufficient space to be inserted into the inserting member inserting opening 211, and in addition, in the process that the inserting portion 011 on the partition plate 01 is inserted into the inserting member inserting opening 211, the inserting member 21 expands and swells to some extent, so that the gap is provided to ensure that the inserting member 21 has a certain moving space in the process of contracting and expanding.
In order to improve the sealing performance of the seal main body 1, in the seal for a plate-fin heat exchanger provided in this embodiment 1, a sealing strip is welded at a joint between an edge of the reinforcing plate 2 and the insertion opening 11 of the partition plate; the sealing strip is used for sealing the connecting gap between the reinforcing plate 2 and the partition plate insertion opening 11. This embodiment 1 can effectively prevent the fluid from leaking from the connection gap between the reinforcing plate 2 and the partition plate insertion opening 11 by this arrangement, thereby improving the cooling efficiency of the plate-fin heat exchanger as a whole.
In order to improve the strength of the seal main body 1, in the seal for a plate-fin heat exchanger provided in this embodiment 1, as shown in fig. 1, the cross section of the reinforcing plate 2 is in an arc-shaped structure; the arc-shaped face of the reinforcing plate 2 is disposed away from the inner face of the seal main body 1. In this embodiment 1, the arc-shaped structure of the seal main body 1 not only can reduce the mass of the seal main body 1, but also can ensure that the seal main body 1 has certain mechanical strength; in addition, the arc-shaped structure of the reinforcing plate 2 can further provide strength support for the seal main body 1, thereby prolonging the service life of the seal main body 1.
In order to facilitate the installation of the seal and the partition plate 01, in the seal for the plate-fin heat exchanger provided in this embodiment 1, as shown in fig. 4, the partition plate insertion openings 11 on the upper arc surface of the seal main body 1 are arranged in a row; the partition board inserting holes 11 on the lower cambered surface of the seal main body 1 are arranged in rows; the arrangement direction of all the spacer insertion holes 11 is the same as the extending direction of the seal body 1. In this embodiment 1, the partition insertion holes 11 are arranged in a row, which not only increases the regularity of the surface of the seal body 1, but also plays a role in positioning, and facilitates the assembly of the seal and the partition 01.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (7)
1. A seal for a plate-fin heat exchanger is characterized by comprising a seal main body and a reinforcing plate;
the seal main body is long and extends along the horizontal direction; the cross section of the seal main body is of an arc-shaped structure; a plurality of partition board inserting openings are formed in the upper arc surface of the seal main body and the lower arc surface of the seal main body; the clapboard inserting opening penetrates through the seal main body;
one surface of the seal main body facing the heat exchanger fin is an inner surface; the reinforcing plate is fixedly arranged on the inner surface of the seal main body; the extending direction of the reinforcing plate is the same as that of the seal main body; the upper edge of the reinforcing plate is fixedly connected with the partition plate inserting opening on the upper arc surface of the seal main body; the lower edge of the reinforcing plate is fixedly connected with the partition plate inserting opening on the lower arc surface of the seal main body;
a plurality of inserting parts are arranged on the upper edge and the lower edge of the reinforcing plate; the insert extends into the baffle socket; the inserting pieces and the partition board inserting holes are arranged in a one-to-one correspondence mode.
2. The seal of claim 1, wherein the insert is a cylindrical hollow structure; one end of the inserting piece is fixedly arranged at the edge of the reinforcing plate; the other end of the inserting piece is an inserting piece socket; the insertion part insertion opening is in a convergent shape; the minimum inner diameter of the socket is smaller than the inner diameter of the inner wall of the socket.
3. The seal for plate fin heat exchangers of claim 2, wherein the insert is made of an elastic material.
4. The seal for plate fin heat exchanger according to claim 2, wherein a gap is provided between the outer wall of the insertion member and the inner wall of the insertion opening of the partition plate; the insert is movable within the gap.
5. The seal strip for plate-fin heat exchangers according to claim 1, wherein a seal strip is welded to a joint between the edge of the reinforcing plate and the insertion opening of the partition plate; the sealing strip is used for sealing a connecting gap between the reinforcing plate and the partition plate insertion opening.
6. The seal of claim 1, wherein the reinforcing plate has an arc-shaped cross-section; the arc-shaped surface of the reinforcing plate is arranged to deviate from the inner surface of the seal main body.
7. The seal for plate fin heat exchanger of claim 1, wherein the partition plate insertion openings on the upper arc surface of the seal body are arranged in a row;
the partition board inserting openings on the lower arc surface of the seal main body are arranged in rows;
all the partition board insertion holes are arranged in the same direction as the extending direction of the seal main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120727527.XU CN214620818U (en) | 2021-04-09 | 2021-04-09 | Seal strip for plate-fin heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120727527.XU CN214620818U (en) | 2021-04-09 | 2021-04-09 | Seal strip for plate-fin heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214620818U true CN214620818U (en) | 2021-11-05 |
Family
ID=78401033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120727527.XU Expired - Fee Related CN214620818U (en) | 2021-04-09 | 2021-04-09 | Seal strip for plate-fin heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214620818U (en) |
-
2021
- 2021-04-09 CN CN202120727527.XU patent/CN214620818U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |