Novel plate-fin heat exchanger
By introducing a slide rail, slide bar, and turntable structure into the plate-fin heat exchanger, single-sided pull-block operation is achieved, solving the problem of inconvenient seal removal in the existing technology and improving the convenience of cleaning and maintenance as well as service life.
Patent Information
- Application Number
- CN202422889916.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-11-26
AI Technical Summary
The existing plate-fin heat exchanger requires pressing buttons on both sides simultaneously to remove the seal during use, which is inconvenient and affects ease of use.
A novel plate-fin heat exchanger was designed, which uses a slide rail, slide bar, and turntable structure to allow for the removal or installation of the mounting box by pulling a block on one side, simplifying the disassembly and installation process of the seal.
It improves the ease of cleaning and maintenance of heat exchangers, extends their service life, and is simple and convenient to operate.
Smart Images

Figure CN223538149U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of plate-fin heat exchangers, specifically a novel plate-fin heat exchanger. Background Technology
[0002] Plate-fin heat exchangers are highly efficient and compact heat exchange devices. They mainly consist of baffles, fins, seals, and guide vanes. Their working principle involves the flow of two fluids at different temperatures within adjacent channels, with heat transfer achieved through the baffles and fins. Plate-fin heat exchangers offer numerous advantages: high heat transfer efficiency (fins significantly increase the heat transfer area and coefficient); compact structure with a large heat transfer area per unit volume, saving space; lightweight for easy installation and transportation; and the ability to handle various media, making them highly adaptable. However, they also have some disadvantages, such as susceptibility to channel blockage, difficulty in cleaning and maintenance, and complex manufacturing processes. They are widely used in industries such as petroleum, chemical, aerospace, automotive, electronics, and refrigeration, playing a vital role in heat recovery, cooling, and refrigeration cycles.
[0003] For example, Chinese Patent Publication No. CN219531760U discloses a plate-fin heat exchanger, relating to the technical field of plate-fin heat exchangers. This plate-fin heat exchanger includes a heat exchanger body and a sealing strip. The sealing strip is located above the heat exchanger body. The heat exchanger body has an internal hollow structure. Mounting plates are fixedly connected to the left and right ends of the heat exchanger body. A sealing membrane is provided between the heat exchanger body and the sealing strip, with its upper and lower ends contacting the sealing strip and the heat exchanger body respectively. A clamping device is provided inside the heat exchanger body. Four locking posts are fixedly installed inside the heat exchanger body, and sliding rods are slidably connected inside two sliding grooves. This plate-fin heat exchanger allows for quicker disassembly and cleaning by rotating the four locking plates, thus solving the current problem of fixed assembly in plate-fin heat exchangers. This allows for better internal cleaning and maintenance, improving the service life of the heat exchanger.
[0004] After using this plate-fin heat exchanger, it was found that although it can effectively clean and maintain its internal structure, it requires pressing both buttons simultaneously during use, and it is also inconvenient to remove the seal at this time, making it rather inconvenient to use and less practical. Utility Model Content
[0005] The purpose of this invention is to provide a novel plate-fin heat exchanger to solve the problem of its inconvenience in use.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a novel plate-fin heat exchanger, comprising a heat exchanger body, a first locking block fixedly connected to the top of the heat exchanger body, an installation box provided on the upper part of the heat exchanger body, a slide rail fixedly connected inside the installation box, a slide bar slidably connected inside the slide rail, a turntable rotatably connected inside the installation box, a connecting rod rotatably connected to the top of the turntable, the connecting rod rotatably connected to the slide bar, a second locking block fixedly connected to the bottom of the slide bar, a first protrusion fixedly connected to the top of the slide bar, a second protrusion fixedly connected to the top of the slide rail, and a spring fixedly connected between the first protrusion and the second protrusion.
[0007] Preferably, a pull block is fixedly connected to the side of the slider.
[0008] Preferably, the second card block cooperates with the first card block.
[0009] Preferably, a limiting block is fixedly connected to the inner wall of the mounting box, and the limiting block is in contact with the slide bar.
[0010] Preferably, the limiting block does not contact the turntable.
[0011] Preferably, the bottom of the mounting box has an opening that engages with the first locking block.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] This invention allows the right-side sliding bar to move to the right by moving the right-side pull block. This movement of the right-side sliding bar causes the corresponding connecting rod to move, rotating the turntable. Simultaneously, the left-side connecting rod moves, causing the left-side sliding bar to move to the left. The same principle applies to moving the left-side sliding bar. At this point, the second locking blocks on both sides no longer restrict the first locking block, allowing the installation box to be removed. This facilitates cleaning and maintenance of the heat exchanger body, extending its service life. To install the installation box, simply align the bottom opening of the box with the first locking block and press it down. During use, simply move the right-side pull block to remove the installation box; during installation, it can be directly inserted. It is convenient and easy to use. Attached Figure Description
[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0015] Figure 2 This is a schematic diagram of the internal structure of the mounting box of this utility model;
[0016] Figure 3 This is a schematic diagram of the side cross-sectional structure of the slide rail of this utility model;
[0017] Figure 4 This is a schematic diagram of the first card block structure of this utility model.
[0018] In the diagram: 1. Heat exchanger body; 101. First locking block; 2. Mounting box; 201. Slide rail; 202. Turntable; 203. Connecting rod; 204. Limiting block; 3. Slide bar; 301. Second locking block; 302. Pulling block; 303. First protrusion; 304. Spring; 305. Second protrusion. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. The described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0020] Please see Figure 1-4 This utility model provides a technical solution: a novel plate-fin heat exchanger, including a heat exchanger body 1, which performs heat exchange. Two first locking blocks 101 are fixedly connected to the top of the heat exchanger body 1. An installation box 2 is provided on the upper part of the heat exchanger body 1. The installation box 2 is removable. Two slide rails 201 are fixedly connected inside the installation box 2. Sliding strips 3 are slidably connected inside the slide rails 201, and the sliding strips 3 move within the slide rails 201. A turntable 202 is rotatably connected inside the installation box 2. The turntable 202 can rotate. A connecting rod 203 is rotatably connected to the top of the turntable 202. The connecting rod 203 is rotatably connected to the sliding strips 3. Moving the right sliding strip 3 to the right moves the connecting rod 203 corresponding to the right sliding strip 3, thus moving the turntable 202. 02. Rotate, the connecting rod 203 on the left moves, the slider 3 on the left moves to the left, and the left slider 3 moves to the left in the same way. Select according to the actual situation. The two sliders 3 move in opposite directions. The bottom of the slider 3 is fixedly connected to the second locking block 301. The second locking block 301 moves with the slider 3. The two second locking blocks 301 move in opposite directions. The top of the slider 3 is fixedly connected to the first protrusion 303. The top of the slide rail 201 is fixedly connected to the second protrusion 305. The first protrusion 303 and the second protrusion 305 are fixedly connected to the spring 304. The spring 304 provides elastic force to push the first protrusion 303. The two sliders 3 move closer to each other. The two second locking blocks 301 move closer to each other and clamp the first locking block 101. The two second locking blocks 301 move in opposite directions and no longer restrict the first locking block 101.
[0021] The slider 3 is fixedly connected to a pull block 302 on its side. The slider 3 can be moved by moving the pull block 302 with a finger. It can be operated from both sides and is easy to use.
[0022] The second locking block 301 cooperates with the first locking block 101. The two second locking blocks 301 move closer to each other and clamp the first locking block 101. The two second locking blocks 301 move in opposite directions and no longer restrict the first locking block 101.
[0023] Among them, the inner wall of the mounting box 2 is fixedly connected to the limiting block 204, the limiting block 204 contacts the slide bar 3, the slide bar 3 is restricted, and the slide bar 3 is prevented from moving excessively when the first locking block 101 is not present.
[0024] The limiting block 204 does not contact the turntable 202, and the limiting block 204 does not affect the movement of the turntable 202.
[0025] The bottom of the installation box 2 has an opening that mates with the first locking block 101. When in use, the bottom opening of the installation box 2 is aligned with the first locking block 101 and pressed down to install.
[0026] Working principle: When using the device, to remove the installation box 2, move the right pull block 302 with your finger, move the right slide bar 3 to the right, and the connecting rod 203 corresponding to the right slide bar 3 will move, causing the turntable 202 to rotate. The left connecting rod 203 will move, and the left slide bar 3 will move to the left. Similarly, to move the left slide bar 3, move the left pull block 302. At this time, the second locking blocks 301 on both sides will not restrict the first locking block 101, and the installation box 2 can be removed, which is convenient for cleaning and maintenance of the heat exchanger body 1 and extending its service life. When the installation box 2 needs to be installed, align the bottom opening of the installation box 2 with the first locking block 101 and press it down to install. At this time, it is not necessary to move the pull block 302, which is convenient to use.
[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A novel plate-fin heat exchanger, comprising a heat exchanger body (1), characterized in that: The heat exchanger body (1) is fixedly connected to the top of a first locking block (101). The heat exchanger body (1) is provided with an installation box (2) at its upper part. The installation box (2) is fixedly connected to a slide rail (201). The slide rail (201) is slidably connected to a slide bar (3). The installation box (2) is rotatably connected to a turntable (202). The top of the turntable (202) is rotatably connected to a connecting rod (203). The connecting rod (203) is rotatably connected to the slide bar (3). The bottom of the slide bar (3) is fixedly connected to a second locking block (301). The top of the slide bar (3) is fixedly connected to a first protrusion (303). The top of the slide rail (201) is fixedly connected to a second protrusion (305). A spring (304) is fixedly connected between the first protrusion (303) and the second protrusion (305).
2. The novel plate-fin heat exchanger according to claim 1, characterized in that: A pull block (302) is fixedly connected to the side of the slider (3).
3. The novel plate-fin heat exchanger according to claim 1, characterized in that: The second card block (301) cooperates with the first card block (101).
4. The novel plate-fin heat exchanger according to claim 1, characterized in that: A limiting block (204) is fixedly connected to the inner wall of the mounting box (2), and the limiting block (204) is in contact with the slide bar (3).
5. The novel plate-fin heat exchanger according to claim 4, characterized in that: The limiting block (204) does not contact the turntable (202).
6. The novel plate-fin heat exchanger according to claim 1, characterized in that: The bottom of the mounting box (2) has an opening that engages with the first locking block (101).
Citation Information
Patent Citations
Plate-fin heat exchanger
CN219531760U