CN216385238U

CN216385238U - Convenient-to-assemble sealing strip for heat exchanger

Info

Publication number: CN216385238U
Application number: CN202122262350.3U
Authority: CN
Inventors: 丁文荣
Original assignee: Wuxi Guangyang Aluminum Industry Co ltd
Current assignee: Wuxi Heyang New Material Technology Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-04-26
Anticipated expiration: 2031-09-17

Abstract

The utility model relates to the technical field of heat exchanger parts, in particular to a seal convenient for an assembled heat exchanger, which is characterized in that a partition plate of the heat exchanger is inserted into a partition plate slot in an inserting manner and is clamped into a cubic cavity, so that the contact area between a seal body and the partition plate is increased, the connection stability between the seal body and the partition plate is enhanced, the two side slot walls of the partition plate slot can limit the displacement of the partition plate, the dislocation of the partition plate in the welding process is avoided, in addition, the partition plate slot can play a positioning role for the installation of the partition plate, a technician only needs to insert the partition plate into the partition plate slot, the seal body and the partition plate can complete the positioning installation work, compared with the prior art that after each welding part is aligned and checked and then welded, the seal body and the partition plate are installed, due to the limitation of a connecting plate, a partition plate supporting plate and the partition plate slot, the positioning function can be completed by the positioning device, so that the installation and positioning work is simplified, and the whole process machining work is optimized.

Description

Convenient-to-assemble sealing strip for heat exchanger

Technical Field

The utility model relates to the technical field of heat exchanger parts, in particular to a seal strip convenient for an assembled heat exchanger.

Background

The plate-fin heat exchanger is a heat exchange device for cold recovery and energy transfer, and is also one of the most advanced heat exchange devices at present. Existing plate-fin heat exchangers are typically comprised of baffles, fins, and seals. The fins and the sealing strips are arranged between two adjacent partition plates to form a sandwich unit, and the sandwich unit is stacked according to different fluid modes and brazed into a whole.

The sealing strip in the prior art is usually in a strip-shaped cubic structure, when a plate-fin heat exchanger core is assembled, a partition plate, the sealing strip and a fin need to be manually stacked layer by layer according to preset arrangement, all welding parts are positioned and installed at the same time, check is carried out, and then the whole body is transferred to a brazing furnace for heating, so that the connecting parts of the partition plate, the sealing strip and the fin are welded and fixed into a whole body.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the technical scheme provided by the utility model is as follows:

the utility model provides a seal strip convenient for an assembled heat exchanger, which comprises a seal strip body, a connecting plate and a partition plate supporting plate, wherein the seal strip body is provided with a sealing groove; the seal body is arranged in a cubic shape and horizontally extends along the length direction; the surface of the seal body is provided with a groove; the extending direction of the groove is the same as the length direction of the seal body; the end surfaces of the groove walls on the two sides of the groove are respectively provided with the connecting plate; the two connecting plates are symmetrically arranged; the extending direction of the connecting plate is the same as that of the seal body; the connecting plate is perpendicular to the groove wall of the groove; the side walls of the two connecting plates are respectively and fixedly provided with the clapboard supporting plates; the two clapboard supporting plates are symmetrically arranged; the clapboard supporting plate is vertical to the connecting plate; the length extending direction of the clapboard supporting plate is the same as the extending direction of the seal body; one side of the clapboard supporting plate is connected with the bottom surface of the groove; the groove wall of the groove, the connecting plate and the clapboard supporting plate form a cubic cavity; a partition board slot is formed in the board surface of the connecting board; the extension direction of the partition board slot is the same as that of the connecting board; the surface of the clapboard supporting plate seals the notch of the clapboard inserting groove; the partition plate insertion groove is communicated with the cubic cavity.

Furthermore, the plate surface of the clapboard supporting plate comprises a plane and a sawtooth surface; the plane and the sawtooth surface are both arranged along the length direction of the clapboard supporting plate; the plane is in contact connection with the side wall of the connecting plate; the sawtooth surface faces the cubic cavity; the plane is coplanar with the serrated surface.

Furthermore, a plurality of oblique sawteeth arranged side by side are arranged on the sawteeth surface; the tooth tops of all the inclined sawteeth are arranged towards the bottom surface of the groove.

Further, the groove height of the partition board insertion groove is the same as the height of the cubic cavity.

The utility model has the advantages or beneficial effects that:

the seal convenient for the assembled heat exchanger provided by the utility model has the advantages that the partition plate of the heat exchanger is inserted into the partition plate slot in an inserting mode and clamped into the cubic cavity, so that the contact area between the seal body and the partition plate is increased, the connection stability between the seal body and the partition plate is enhanced, the two side slot walls of the partition plate slot can limit the displacement of the partition plate, the dislocation of the partition plate in the welding process is avoided, in addition, the partition plate slot can play a role in positioning for the installation of the partition plate, a technician only needs to insert the partition plate into the partition plate slot, the seal body and the partition plate can complete the positioning and installation work, compared with the technical scheme that the welding is carried out after aligning and checking each welding part in the prior art, the seal body and the partition plate can complete the positioning function by themselves due to the limitation of the connecting plate, the partition plate supporting plate and the partition plate slot, thereby simplifying the installation and positioning work and optimizing the whole process and processing work.

Drawings

The utility model and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the utility model.

Fig. 1 is a schematic perspective view of a seal strip for a conveniently assembled heat exchanger according to embodiment 1 of the present invention;

FIG. 2 is a sectional view of a seal and a partition for facilitating assembly of a heat exchanger according to embodiment 1 of the present invention;

fig. 3 is a partially enlarged view of fig. 2.

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 used herein, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the positional or orientational relationship illustrated in the figures to facilitate the description of the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model.

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 meanings 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 a part of the embodiments of the present invention, and 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 utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the utility model without making creative efforts, belong to the protection scope of the utility model.

Example 1

The sealing strip in the prior art is usually in a strip-shaped cubic structure, when a plate-fin heat exchanger core is assembled, a partition plate, the sealing strip and a fin need to be manually stacked layer by layer according to preset arrangement, all welding parts are positioned and installed at the same time, and the whole body is transferred to a brazing furnace to be heated, so that the connecting parts of the partition plate, the sealing strip and the fin are welded and fixed into a whole, and the whole machining process is complex and tedious due to the fact that the positioning and installing work is troublesome.

In order to solve the above technical problem, embodiment 1 of the present invention provides a seal for a conveniently assembled heat exchanger, as shown in fig. 1 and 2, including a seal body 1, a connecting plate 2 and a partition supporting plate 3; the seal body 1 is arranged in a cubic shape and horizontally extends along the length direction; the surface of the seal body 1 is provided with a groove 11; the extending direction of the groove 11 is the same as the length direction of the seal body 1; the end surfaces of the groove walls at the two sides of the groove 11 are respectively provided with a connecting plate 2; the two connecting plates 2 are symmetrically arranged; the extending direction of the connecting plate 2 is the same as that of the seal body 1; the connecting plate 2 is vertical to the groove wall of the groove 11; the side walls of the two connecting plates 2 are respectively and fixedly provided with a clapboard supporting plate 3; the two clapboard supporting plates 3 are symmetrically arranged; the clapboard supporting plate 3 is vertical to the connecting plate 2; the length extending direction of the clapboard supporting plate 3 is the same as the extending direction of the seal body 1; one side of the clapboard supporting plate 3 is connected with the bottom surface of the groove 11; the groove wall of the groove 11, the connecting plate 2 and the clapboard supporting plate 3 form a cubic cavity 23; a clapboard slot 21 is arranged on the surface of the connecting plate 2; the extension direction of the clapboard inserting grooves 21 is the same as that of the connecting plates 2; the surface of the clapboard supporting plate 3 seals the notch of the clapboard inserting groove 21; the partition slots 21 communicate with the cubic cavity 23.

In the process of installing the seal body 1 and the partition plate 4, in the first aspect, the partition plate 4 of the heat exchanger is inserted into the partition plate insertion slot 21 in an insertion manner and is clamped into the cubic cavity 23, so that the contact area between the seal body 1 and the partition plate 4 is increased, and the connection stability between the seal body 1 and the partition plate 4 is enhanced; the both sides cell wall of second aspect baffle slot 21 can restrict the displacement of baffle 4, avoid baffle 4 the condition emergence of dislocation to appear in welding process, third aspect baffle slot 21 can play the positioning action for the installation of baffle 4, the technical staff only need insert baffle 4 in the baffle slot 21, seal body 1 and baffle 4 alright accomplish the location installation work, compare with among the prior art with each welding position alignment check back again carry out welded technical scheme say, seal body 1 and baffle 4 installation are accomplished the back, because connecting plate 2, the restriction to baffle 4 of baffle backup pad 3 and baffle slot 21, self alright accomplish the locate function, thereby installation positioning work has been simplified, whole technology processing work has been optimized.

In addition, the baffle supporting plate 3 can provide a supporting force for the baffle 4, the stability is enhanced, and the grooves 11 can effectively reduce the quality of the seal body 1, so that the overall quality of the heat exchanger is reduced.

In order to further improve the connection stability between the seal body 1 and the partition plate 4, in the seal for a heat exchanger convenient to assemble provided in embodiment 1, as shown in fig. 2 and 3, the plate surface of the partition plate support plate 3 includes a flat surface 31 and a serrated surface 32; the plane 31 and the sawtooth surface 32 are both arranged along the length direction of the clapboard supporting plate 3; the plane 31 is in contact connection with the side wall of the connecting plate 2; serrated face 32 is disposed facing cubic cavity 23; the plane 31 and the sawtooth surface 32 are coplanar, and a plurality of oblique sawteeth 321 arranged side by side are arranged on the sawtooth surface 32; the tooth tops of all the oblique saw teeth 321 are arranged towards the bottom surface of the groove 11, and the inclined surfaces of the oblique saw teeth 321 are arranged towards the partition board 4. In this embodiment 1, be provided with the sawtooth with sawtooth surface 32 looks adaptation on the face of baffle 4, in the installation, set up baffle 4 and the sawtooth surface 32 in the baffle backup pad 3 in opposite directions, then through modes such as extrusion, beat, go into cube cavity 23 with baffle 4 card, baffle 4 passes through the sawtooth joint with the sawtooth surface 32 in the baffle backup pad 3, thereby it is fixed to realize baffle 4 and the joint of baffle backup pad 3, thereby further improve the stability of being connected between strip of paper used for sealing body 1 and the baffle 4.

Preferably, the spacer slots 21 have a slot height that is the same as the height of the cubic cavities 23. In this embodiment 1, the edge of the partition plate 4 is arranged in a step shape, the thickness of the step edge of the partition plate 4 is the same as the height of the slot, and through the arrangement, the partition plate 4 inserted into the cubic cavity 23 can seal the cubic cavity 23, thereby improving the sealing performance of the heat exchanger.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.

Claims

1. A seal strip convenient for an assembled heat exchanger is characterized by comprising a seal strip body, a connecting plate and a clapboard supporting plate;

the seal body is arranged in a cubic shape and horizontally extends along the length direction; the surface of the seal body is provided with a groove; the extending direction of the groove is the same as the length direction of the seal body;

the end surfaces of the groove walls on the two sides of the groove are respectively provided with the connecting plate; the two connecting plates are symmetrically arranged; the extending direction of the connecting plate is the same as that of the seal body; the connecting plate is perpendicular to the groove wall of the groove;

the side walls of the two connecting plates are respectively and fixedly provided with the clapboard supporting plates; the two clapboard supporting plates are symmetrically arranged; the clapboard supporting plate is vertical to the connecting plate; the length extending direction of the clapboard supporting plate is the same as the extending direction of the seal body; one side of the clapboard supporting plate is connected with the bottom surface of the groove;

the groove wall of the groove, the connecting plate and the clapboard supporting plate form a cubic cavity; a partition board slot is formed in the board surface of the connecting board; the extension direction of the partition board slot is the same as that of the connecting board; the surface of the clapboard supporting plate seals the notch of the clapboard inserting groove; the partition plate insertion groove is communicated with the cubic cavity.

2. The seal for facilitating assembly of a heat exchanger of claim 1, wherein the plate surface of the baffle support plate comprises a flat surface and a serrated surface; the plane and the sawtooth surface are both arranged along the length direction of the clapboard supporting plate; the plane is in contact connection with the side wall of the connecting plate; the sawtooth surface faces the cubic cavity; the plane is coplanar with the serrated surface.

3. The seal strip for facilitating assembly of a heat exchanger according to claim 2, wherein the serrated surface is provided with a plurality of oblique serrations arranged side by side; the tooth tops of all the inclined sawteeth are arranged towards the bottom surface of the groove.

4. The seal for facilitating assembly of a heat exchanger of claim 1, wherein the groove height of the baffle slot is the same as the height of the cubic cavity.