Detachable heat exchanger
The design of guide rods and push rods simplifies the troubleshooting process for heat exchanger plate failures in detachable plate heat exchangers, thereby improving maintenance efficiency.
Patent Information
- Application Number
- CN202520586645.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-31
AI Technical Summary
The troubleshooting process for heat exchanger fins in existing detachable plate heat exchangers is cumbersome and affects maintenance efficiency.
The structure is designed with guide rods, fixing sleeves, push rods and push blocks. By pressing the push rod, the fixing sleeve can be released, allowing for quick removal of the heat exchange fins.
It improves the efficiency of troubleshooting and repairing heat exchanger fins and simplifies the disassembly and assembly process.
Smart Images

Figure CN223954719U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to heat exchange technical field, concretely is a detachable heat exchanger. BACKGROUND
[0002] Heat exchanger is mainly divided into plate heat exchanger and tubular heat exchanger, and is an energy-saving equipment for realizing heat transfer between two or more than two fluids at different temperatures;
[0003] The detachable heat exchanger refers to the heat exchanger without integrated fixed structure, and the heat exchanger is fixed with other through additional fixed components such as flange or bolt, and the detachable structure is adopted, if failure occurs or needs to be maintained, the detachable design makes the technical personnel conveniently check the inside of the equipment, quickly locates the problem and carries out repair.
[0004] But the detachable plate heat exchanger heat exchange sheet is fixed through the pressing fixed plate piece, when one of the heat exchange sheets needs to be checked and maintained, the dismounting process operation is more cumbersome, thereby influence the maintenance efficiency of maintenance personnel, therefore, it does not satisfy the existing demand, and we propose a detachable heat exchanger. UTILITY MODEL CONTENT
[0005] The utility model discloses a detachable heat exchanger, to solve the detachable plate heat exchanger heat exchange sheet in the background art, when one of the heat exchange sheets needs to be checked and maintained, the dismounting process operation is more cumbersome, thereby influence the maintenance efficiency of maintenance personnel and other problems.
[0006] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a detachable heat exchanger, including heat exchanger main part, four end angles on both sides of the rear end surface of heat exchanger main part are all fixed with a guide rod, one pressing fixed plate piece is movably sleeved on one side of the outer surface of eight guide rods, the rear of the pressing fixed plate piece is attached to one fixed sleeve respectively, eight fixed sleeves are respectively sleeved on the outer surface of eight guide rods, and the outer surface of the guide rod in the inner side of the fixed sleeve is equipped with annular fixed groove;
[0007] The middle position of the upper and lower end surfaces of the fixed sleeve is movably inserted with a push rod, the both sides of the push rod are equipped with a rectangular push block in the fixed sleeve, and the surface of the rectangular push block towards the push rod is the first inclined surface;
[0008] The outer surface of the rectangular pushing block is fixed with a pushing block on one side, and a slanted pushing plate is arranged between the two pushing blocks, the surface of the slanted pushing plate towards the two pushing blocks is a second inclined surface, and the surface of the slanted pushing plate towards the nearest pushing rod is connected with a spring.
[0009] The surface of the slanted pushing plate towards the annular fixed groove is fixed with a strip-shaped fixed block, and the strip-shaped fixed block is clamped into the inner part of the annular fixed groove.
[0010] Preferably, a plurality of heat exchange fins are arranged between the heat exchanger body and the pressing fixed plate, and the first heat exchange fin from left to right and the last heat exchange fin are respectively attached to the heat exchanger body and the pressing fixed plate.
[0011] Preferably, the outer surface of the pushing rod inside the fixed sleeve is fixed with an anti-dropping ring on both sides, and the outer surface of the anti-dropping ring is attached to the inner part of the fixed sleeve.
[0012] Preferably, the surface of the pushing block towards the guide rod is connected to the inner part of the fixed sleeve through sliding, and the pushing block and the rectangular pushing block are integrally made.
[0013] Preferably, the front and rear end surfaces of the strip-shaped fixed block are respectively attached to the two sides of the inner wall of the annular fixed groove, and the front and rear end surfaces of the strip-shaped fixed block are both flat surfaces.
[0014] Preferably, an arc-shaped cover plate is arranged above the slanted pushing plate on the upper side of the inner part of the fixed sleeve and below the slanted pushing plate on the lower side of the inner part of the fixed sleeve, and the fixed sleeve and the arc-shaped cover plate are fixed through screws.
[0015] Compared with the prior art, the present application has the following beneficial effects:
[0016] When one of the heat exchange fins fixed between the heat exchanger body and the pressing fixed plate fails, the two pushing rods on the outer surface of the fixed sleeve for fixing the pressing fixed plate are pressed inward to release the fixing of the fixed sleeve. When the fixing of the fixed sleeve is released, the fixed sleeve is moved backward to generate a distance between the fixed sleeve and the pressing fixed plate, thereby releasing the fixing of the pressing fixed plate. The above technical solution can quickly release the fixing of the heat exchange fin, thereby improving the efficiency of the maintenance personnel in troubleshooting and repairing the heat exchange fin. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a structure schematic view of the whole utility model;
[0018] Figure 2 It is a front view of the whole utility model;
[0019] Figure 3 The utility model discloses Figure 2 The structure enlarged view of A in the middle.
[0020] In the drawing: 1, heat exchanger main body; 2, heat exchange fin; 3, guide rod; 4, press fixed plate piece; 5, fixed sleeve; 6, annular fixed groove; 7, anti-drop ring; 8, push rod; 9, rectangular push block; 10, first inclined surface; 11, push block; 12, inclined push plate; 13, second inclined surface; 14, spring; 15, strip fixed block. Specific embodiments
[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0022] The heat exchanger main body 1 (model number XR-01), the guide rod 3 (model number 304) and the spring 14 (model number JX110) mentioned in the utility model can be obtained from the market or private customization.
[0023] Please refer to Figures 1 to 3 The utility model provides an embodiment: a detachable heat exchanger, including heat exchanger main body 1, four end angles on both sides of the rear end surface of heat exchanger main body 1 are all fixed with a guide rod 3, one press fixed plate piece 4 is movably sleeved on the outer surface of one side of eight guide rods 3, eight end angles in the rear of press fixed plate piece 4 are respectively pasted with a fixed sleeve 5, eight fixed sleeves 5 are respectively sleeved on the outer surface of eight guide rods 3, and the outer surface of guide rod 3 on the inner side of fixed sleeve 5 is equipped with annular fixed groove 6;
[0024] The middle position of the upper and lower end surfaces of fixed sleeve 5 is movably inserted with a push rod 8, the both sides of push rod 8 are all equipped with a rectangular push block 9 in the interior of fixed sleeve 5, and the surface of rectangular push block 9 towards push rod 8 is first inclined surface 10;
[0025] The outer surface of rectangular push block 9 is fixedly provided with push block 11 on one side, and a inclined push plate 12 is arranged between two push blocks 11, the surface of inclined push plate 12 towards two push blocks 11 is second inclined surface 13, and the surface of inclined push plate 12 towards the nearest push rod 8 is connected with spring 14;
[0026] The surface of inclined push plate 12 towards annular fixed groove 6 is fixedly provided with strip fixed block 15, and strip fixed block 15 is clamped into the interior of annular fixed groove 6.
[0027] A plurality of heat exchange sheets 2 are arranged between the heat exchanger body 1 and the pressing fixed plate 4, and the first heat exchange sheet 2 from left to right and the last heat exchange sheet 2 are respectively attached to the heat exchanger body 1 and the pressing fixed plate 4; the fixed sleeve 5 is fixed at the current position by the strip-shaped fixed block 15 connected thereto and clamped into the annular fixed groove 6 on the outer surface of the guide rod 3, and the pressing fixed plate 4 attached to the front end surface of the fixed sleeve 5 fixed at the current position is fixed at the current position.
[0028] When any one of the heat exchange sheets 2 between the heat exchanger body 1 and the pressing fixed plate 4 needs to be checked and repaired, the two push rods 8 on the outer surface of the fixed sleeve 5 are pressed inward, and the push rod 8 will contact the first inclined surface 10 on the outer surface of the rectangular push block 9 and push the rectangular push block 9 inward as the push rod 8 moves, and the push block 11 fixed thereto will move inward together as the rectangular push block 9 moves, and the push block 11 will contact the second inclined surface 13 on the outer surface of the inclined push plate 12 and push the second inclined surface 13 outward as the push block 11 moves, and the strip-shaped fixed block 15 fixed thereto will gradually move away from the inside of the annular fixed groove 6 on the outer surface of the guide rod 3, and when the strip-shaped fixed block 15 is completely moved away from the inside of the annular fixed groove 6, the fixed sleeve 5 can be pushed backward to release the fixation of the pressing fixed plate 4, and when all the fixed sleeves 5 are pushed backward, the pressing fixed plate 4 can be moved backward to provide space for the separation of the plurality of heat exchange sheets 2, and at this time the maintenance personnel can check and repair the plurality of heat exchange sheets 2 one by one, and the above technical solution can quickly release the fixation of the heat exchange sheets 2, thereby improving the efficiency of the maintenance personnel in checking and repairing the heat exchange sheets 2.
[0029] When the inclined push plate 12 is pushed outward, it will squeeze the spring 14 connected thereto, and when the checking and repairing of the heat exchange sheets 2 is completed, all the heat exchange sheets 2 and the pressing fixed plate 4 are moved back to the original position, and the fixed sleeve 5 is pushed back to the original position, and when the fixed sleeve 5 returns to the original position, the strip-shaped fixed block 15 can be pushed into the annular fixed groove 6 again by the reaction force of the squeezed spring 14 to fix the heat exchange sheets 2, the pressing fixed plate 4 and the heat exchange sheets 2.
[0030] The outer surface of the two anti-dropping rings 7 fixed on the outer surface of the push rod 8 in the fixed sleeve 5 is attached to the inside of the fixed sleeve 5; the two anti-dropping rings 7 fixed on the outer surface of the push rod 8 can prevent the push rod 8 from falling off.
[0031] The face of the pushing block 11 towards the guide rod 3 is connected with the inside of the fixed sleeve 5 through sliding connection, and the pushing block 11 is integrally made with the rectangular pushing block 9; the sliding connection structure between the pushing block 11 and the fixed sleeve 5 can prevent the pushing block 11 and the rectangular pushing block 9 from tilting, thereby ensuring the stability of the internal structure of the fixed sleeve 5.
[0032] The front and rear end faces of the strip-shaped fixed block 15 are respectively attached to the two sides of the inner wall of the annular fixed groove 6, and the front and rear end faces of the strip-shaped fixed block 15 are both planes; the parallel strip-shaped fixed block 15 with the parallel front and rear end faces can prevent the stability of the fixed sleeve 5 fixed outside the annular fixed groove 6 from being affected, thereby preventing the fixed sleeve 5 from shaking.
[0033] An arc-shaped cover plate is arranged above the inclined pushing plate 12 on the upper side of the fixed sleeve 5 and below the inclined pushing plate 12 on the lower side of the fixed sleeve 5, and the fixed sleeve 5 is fixed with the arc-shaped cover plate through screws; the arc-shaped cover plate can protect the internal structure of the fixed sleeve 5, and when the internal structure of the fixed sleeve 5 fails, the arc-shaped cover plate can be disassembled to repair the internal structure of the fixed sleeve 5.
[0034] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalents of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.
Claims
1. A detachable heat exchanger, comprising a heat exchanger body (1), characterized in that: A guide rod (3) is fixed at each of the four corners on both sides of the rear end face of the heat exchanger body (1). A pressing and fixing plate (4) is movably sleeved on one side of the outer surface of the eight guide rods (3). A fixing sleeve (5) is attached to each of the eight corners behind the pressing and fixing plate (4). The eight fixing sleeves (5) are respectively sleeved on the outer surface of the eight guide rods (3), and an annular fixing groove (6) is provided on the outer surface of the guide rod (3) located inside the fixing sleeve (5). A push rod (8) is movably inserted in the middle of the upper and lower end faces of the fixed sleeve (5). A rectangular push block (9) is provided on both sides of the push rod (8) inside the fixed sleeve (5), and the surface of the rectangular push block (9) facing the push rod (8) is the first inclined surface (10). A push block (11) is fixedly provided on one side of the outer surface of the rectangular push block (9), and an inclined push plate (12) is provided between the two push blocks (11). The faces of the inclined push plate (12) facing the two push blocks (11) are both second inclined surfaces (13), and a spring (14) is connected to the face of the inclined push plate (12) facing the nearest push rod (8). The inclined push plate (12) is fixed with a strip-shaped fixing block (15) on the side facing the annular fixing groove (6), and the strip-shaped fixing block (15) is inserted into the interior of the annular fixing groove (6).
2. A detachable heat exchanger according to claim 1, characterized in that: Multiple heat exchange plates (2) are provided between the heat exchanger body (1) and the pressing and fixing plate (4), and the first heat exchange plate (2) and the last heat exchange plate (2) from left to right are respectively attached to the heat exchanger body (1) and the pressing and fixing plate (4).
3. A detachable heat exchanger according to claim 1, characterized in that: An anti-detachment ring (7) is fixedly sleeved on both sides of the outer surface of the push rod (8) located inside the fixed sleeve (5), and the outer surface of the anti-detachment ring (7) is in contact with the inside of the fixed sleeve (5).
4. A detachable heat exchanger according to claim 1, characterized in that: The push block (11) is slidably connected to the inside of the fixed sleeve (5) on the surface facing the guide rod (3), and the push block (11) and the rectangular push block (9) are integrally formed.
5. A detachable heat exchanger according to claim 1, characterized in that: The front and rear ends of the strip-shaped fixing block (15) are respectively attached to the two sides of the inner wall of the annular fixing groove (6), and the front and rear ends of the strip-shaped fixing block (15) are both planar.
6. A detachable heat exchanger according to claim 1, characterized in that: An arc-shaped cover plate is provided above the inclined push plate (12) located on the upper side inside the fixed sleeve (5) and below the inclined push plate (12) located on the lower side inside the fixed sleeve (5), and the fixed sleeve (5) and the arc-shaped cover plate are fixed together by screws.