Combined plate heat exchanger structure

By introducing a limiting structure of baffles, fixing plates, and buckles into the plate heat exchanger, combined with the installation method of T-bolts and horizontal plates, the problem of loosening and leakage in the plate heat exchanger is solved, achieving higher installation stability and service life.

CN224382211UActive Publication Date: 2026-06-19KUNSHAN BEXCELLE SPECIAL EQUIP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
KUNSHAN BEXCELLE SPECIAL EQUIP CO LTD
Filing Date
2025-07-22
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Some plate heat exchangers on the market have a relatively simple structure, which may lead to loosening and leakage after prolonged use.

Method used

The system employs a combination structure of baffle, first fixing plate, connecting plate and buckle plate. It is connected to the buckle plate by limit bolts, and combined with the installation method of T-bolts and horizontal plates, it ensures that the plates do not loosen after assembly.

Benefits of technology

This effectively avoids leakage caused by loosening of the plates after prolonged use, and improves the installation stability and service life of the plate heat exchanger.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224382211U_ABST
    Figure CN224382211U_ABST
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Abstract

This utility model relates to the field of plate heat exchanger technology and discloses a combined plate heat exchanger structure, including a plate heat exchanger body, which includes plates and multiple fixed threaded rods. A baffle is connected between two upper and lower fixed threaded rods. Two first fixed plates are fixedly installed on one side of the baffle, and a connecting plate is fixedly installed at one end of each of the two first fixed plates. A rotating plate is rotatably installed inside each connecting plate. A buckle is fixedly installed on one side of the rotating plate and buckles onto the outside of the plate heat exchanger body. After the plate heat exchanger body is assembled, the baffles on the outside of the upper and lower fixed threaded rods are slid so that one end of the buckle is buckled onto the outside of the plate heat exchanger body. Then, a limiting bolt is rotated to connect with the buckle, so that one end of the limiting bolt is inserted into the inside of the connecting plate, thereby limiting the baffle. The baffle further limits the plates and prevents the plates from loosening and causing leakage over time.
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Description

Technical Field

[0001] This utility model relates to the field of plate heat exchanger technology, specifically a combined plate heat exchanger structure. Background Technology

[0002] Plate heat exchangers are a type of high-efficiency heat exchanger composed of a series of metal plates with a certain corrugated shape. Thin rectangular channels are formed between the plates, through which heat exchange occurs. Plate heat exchangers are ideal devices for liquid-liquid and liquid-vapor heat exchange. They have the characteristics of high heat exchange efficiency, low heat loss, compact and lightweight structure, small footprint, wide application, and long service life. Under the same pressure loss, their heat transfer coefficient is 3-5 times higher than that of tube heat exchangers, their footprint is one-third that of tube heat exchangers, and their heat recovery rate can reach over 90%. Currently, some plate heat exchangers on the market have relatively simple structures, and after installation, they may loosen and leak after long-term use. Therefore, a combined plate heat exchanger structure is proposed. Utility Model Content

[0003] The purpose of this utility model is to provide a combined plate heat exchanger structure to solve the problem mentioned in the background art that some plate heat exchangers on the market have relatively simple structures, which may loosen and leak after long-term use after installation.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a combined plate heat exchanger structure, comprising a plate heat exchanger body, the plate heat exchanger body comprising plates, the plate heat exchanger body comprising a plurality of fixed threaded rods, a baffle connecting the upper and lower fixed threaded rods, two first fixed plates fixedly disposed on one side of the baffle, a connecting plate fixedly disposed at one end of each of the two first fixed plates, a rotating plate rotatably disposed inside each connecting plate, a fastening plate fixedly disposed on one side of the rotating plate and fastening the fastening plate to the outside of the plate heat exchanger body, a limiting bolt threadedly connected to one side of the fastening plate and one end of the limiting bolt inserted into the inside of the connecting plate, and an installation structure disposed on the outside of the plate heat exchanger body.

[0005] Preferably, the mounting structure includes two horizontal plates, which are respectively fixedly mounted on the outside of the plate heat exchanger body. Two T-bolts are slidably arranged inside each of the two horizontal plates and the T-bolts penetrate the horizontal plates. Nuts are threaded to the outside of each of the two T-bolts. Two mounting plates are slidably arranged on the outside of the horizontal plates, and the T-bolts penetrate the mounting plates. A second fixing plate is integrally machined on one side of each mounting plate.

[0006] Preferably, the connecting plate has a rotating groove inside, and the rotating plate is rotatably installed inside the rotating groove.

[0007] Preferably, a threaded hole is provided inside one side of the buckle plate, and the size of the limiting bolt is adapted to the threaded hole.

[0008] Preferably, a T-shaped groove is formed inside the horizontal plate, and the T-shaped bolt is slidably installed inside the T-shaped groove.

[0009] Preferably, the mounting plate has a through hole inside, through which the T-bolt slides.

[0010] Compared with the prior art, the present invention, by adopting the above technical solution, has the following technical effects:

[0011] This utility model, by setting up a baffle, a first fixing plate, a connecting plate, and a buckle plate, allows the baffle on the outer side of the two upper and lower fixed threaded rods to slide after the plate heat exchanger body is assembled. Then, the limiting bolt is rotated to connect with the buckle plate, thereby limiting the baffle and preventing the plates from loosening and causing leakage over time. At the same time, the horizontal plate is fixedly installed on the outer side of the plate heat exchanger body. The mounting plate is slidably installed on the outer side of the horizontal plate, and the T-bolt passes through the mounting plate. The mounting plate is adjusted to a suitable position, facilitating the installation of the plate heat exchanger body through the second fixing plate. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a side view of the structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the connection structure between the baffle and the buckle plate of this utility model;

[0015] Figure 3 This is a schematic diagram of the connection structure between the horizontal plate and the mounting plate of this utility model;

[0016] Figure 4 For the present utility model Figure 1 A magnified structural diagram of A in the middle.

[0017] Explanation of reference numerals in the attached drawings: 1. Plate heat exchanger body; 2. Plate; 3. Fixed threaded rod; 4. Baffle; 5. First fixing plate; 6. Connecting plate; 7. Rotating plate; 8. Buckling plate; 9. Limiting bolt; 10. Horizontal plate; 11. T-bolt; 12. Nut; 13. Mounting plate; 14. Second fixing plate. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0020] Example

[0021] Currently, some plate heat exchangers on the market have relatively simple structures, which may loosen and lead to leaks after prolonged use following installation.

[0022] Please see Figure 1-4 This utility model provides a technical solution: a combined plate heat exchanger structure, including a plate heat exchanger body 1, the plate heat exchanger body 1 including plates 2, the plate heat exchanger body 1 including multiple fixed threaded rods 3, a baffle 4 connected between two upper and lower fixed threaded rods 3, two first fixed plates 5 fixedly disposed on one side of the baffle 4, a connecting plate 6 fixedly disposed at one end of each of the two first fixed plates 5, a rotating plate 7 rotatably disposed inside each connecting plate 6, a buckle plate 8 fixedly disposed on one side of the rotating plate 7 and buckling the outer side of the plate heat exchanger body 1, a limit bolt 9 threadedly connected to one side of the buckle plate 8 and one end of the limit bolt 9 inserted into Inside the connecting plate 6, an installation structure is provided on the outside of the plate heat exchanger body 1. After the plate heat exchanger body 1 is assembled, slide the baffles 4 on the outside of the two upper and lower fixed threaded rods 3. Two first fixing plates 5 are fixedly installed on one side of the baffles 4. One end of the two first fixing plates 5 is rotatably connected to the buckle plate 8 through the connecting plate 6 and the rotating plate 7, so that one end of the buckle plate 8 is fastened to the outside of the plate heat exchanger body 1. Then rotate the limiting bolt 9 to connect with the buckle plate 8, so that one end of the limiting bolt 9 is inserted into the inside of the connecting plate 6, thereby limiting the baffle 4. The baffle 4 further limits the plate 2, preventing the plate 2 from loosening and causing leakage over a long period of time.

[0023] The mounting structure includes two horizontal plates 10, which are fixedly installed on the outside of the plate heat exchanger body 1. Two T-bolts 11 are slidably installed inside each horizontal plate 10, penetrating the plate. Nuts 12 are threaded onto the outside of each T-bolt 11. Two mounting plates 13 are slidably installed on the outside of the horizontal plates 10, with the T-bolts 11 penetrating the mounting plates 13. A second fixing plate 14 is integrally machined on one side of each mounting plate 13. When installing the plate heat exchanger body 1, the horizontal plates 10 are fixedly installed on the outside of the plate heat exchanger body 1. Then, the T-bolts 11 are slidably installed inside the horizontal plates 10, and the mounting plates 13 are slidably installed on the outside of the horizontal plates 10, with the T-bolts 11 penetrating the mounting plates 13. The mounting plates 13 are adjusted to a suitable position and then fixed with nuts 12, facilitating the installation of the plate heat exchanger body 1 via the second fixing plate 14.

[0024] The connecting plate 6 has a rotating groove inside, and the rotating plate 7 is rotatably installed inside the rotating groove. The buckle plate 8 is rotatably connected to one side of the connecting plate 6 through the rotating plate 7.

[0025] A threaded hole is provided inside one side of the buckle plate 8. The size of the limiting bolt 9 is adapted to the threaded hole, and the limiting bolt 9 is used to limit the buckle plate 8 and the connecting plate 6.

[0026] A T-shaped groove is provided inside the horizontal plate 10, and a T-bolt 11 is slidably installed inside the T-shaped groove. The mounting plate 13 is slidably connected to the top of the horizontal plate 10 by the T-bolt 11, so as to facilitate the adjustment of the mounting plate 13.

[0027] The mounting plate 13 has a through hole inside, and the T-bolt 11 slides through the through hole. The mounting plate 13 is limited by the nut 12 on the outside of the T-bolt 11.

[0028] The plate heat exchanger body 1 in this application is model BR0.15. Its structure and operating principle are existing technologies, therefore, its structure and operating principle will not be described in detail here.

[0029] The working principle or structural principle is as follows: After the plate heat exchanger body 1 is assembled, slide the baffles 4 on the outer side of the two upper and lower fixed threaded rods 3. Two first fixed plates 5 are fixedly installed on one side of the baffles 4. One end of the two first fixed plates 5 is rotatably connected to the buckle plate 8 through the connecting plate 6 and the rotating plate 7, so that one end of the buckle plate 8 is fastened to the outer side of the plate heat exchanger body 1. Then rotate the limiting bolt 9 to connect with the buckle plate 8, so that one end of the limiting bolt 9 is inserted into the inside of the connecting plate 6, thereby limiting the baffle 4. The baffle 4 further limits the plate 2, preventing the plate 2 from loosening and causing leakage over a long period of time. At the same time, the horizontal plate 10 is fixedly installed on the outer side of the plate heat exchanger body 1. Then, the T-bolt 11 is slidably installed inside the horizontal plate 10, and the mounting plate 13 is slidably installed on the outer side of the horizontal plate 10. The T-bolt 11 passes through the mounting plate 13. Adjust the mounting plate 13 to a suitable position, and then fix it with the nut 12, so as to facilitate the installation of the plate heat exchanger body 1 through the second fixed plate 14.

[0030] Those skilled in the art will understand that the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways, even if such combinations or combinations are not explicitly described in this utility model. In particular, the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways without departing from the spirit and teachings of this utility model. All such combinations and / or combinations fall within the scope of this utility model.

Claims

1. A combined plate heat exchanger structure comprising a plate heat exchanger body (1) comprising plates (2), the plate heat exchanger body (1) comprising a plurality of fixed threaded rods (3), characterized in that: A baffle (4) is connected between the upper and lower fixed threaded rods (3). Two first fixed plates (5) are fixedly installed on one side of the baffle (4). A connecting plate (6) is fixedly installed at one end of each of the two first fixed plates (5). A rotating plate (7) is rotatably installed inside the connecting plate (6). A buckle plate (8) is fixedly installed on one side of the rotating plate (7) and the buckle plate (8) is fastened to the outside of the plate heat exchanger body (1). A limit bolt (9) is threadedly connected to one side of the buckle plate (8) and one end of the limit bolt (9) is inserted into the inside of the connecting plate (6). An installation structure is provided on the outside of the plate heat exchanger body (1).

2. A combined plate heat exchanger structure according to claim 1, characterized in that The mounting structure includes two horizontal plates (10), which are fixedly mounted on the outside of the plate heat exchanger body (1). Two T-bolts (11) are slidably arranged inside each of the two horizontal plates (10) and the T-bolts (11) penetrate through the horizontal plates (10). Nuts (12) are threadedly connected to the outside of the two T-bolts (11). Two mounting plates (13) are slidably arranged on the outside of the horizontal plates (10) and the T-bolts (11) penetrate through the mounting plates (13). A second fixing plate (14) is integrally machined on one side of the mounting plate (13).

3. The combined plate heat exchanger structure according to claim 1, characterized in that: The connecting plate (6) has a rotating groove inside, and the rotating plate (7) is rotatably installed inside the rotating groove.

4. The combined plate heat exchanger structure according to claim 1, characterized in that: The buckle plate (8) has a threaded hole on one side, and the size of the limiting bolt (9) is adapted to the threaded hole.

5. The combined plate heat exchanger structure according to claim 2, characterized in that: The inside of the horizontal plate (10) is provided with a T-shaped groove, and the T-shaped bolt (11) is slidably installed inside the T-shaped groove.

6. The combined plate heat exchanger structure according to claim 2, characterized in that: The mounting plate (13) has a through hole inside, and the T-bolt (11) slides through the through hole.