Plate heat exchanger with protective structure

Abstract

The utility model relates to the technical field of plate-type heat exchangers, in particular to a plate-type heat exchanger with a protective structure, which comprises a heat exchanger, the heat exchanger comprises a pressing plate, the pressing plate comprises a fixed pressing plate on one side and a movable pressing plate on the other side, a plate sheet is arranged between the pressing plates on the two sides, and the protective structure is arranged on the plate sheet. The protection device has the beneficial effects that the protection insertion plates which are connected in an inserted mode are arranged, can be inserted between the pressing plates from top to bottom and are arranged on the outer sides of the upper ends of the plate sheets in a sleeving mode, corrosion or collision damage to the plate sheets caused by the external environment can be avoided, and the protection effect on the plate sheets is improved; and a protection structure is further arranged for the end of the fastening screw, the nut at the end of the fastening screw can be sleeved and protected through the protection structure, nut oxidation and corrosion caused by the influence of the external environment are avoided, nut damage caused by external collision can also be avoided, and the protection effect is improved.

Description

Technical Field

[0001] The utility model relates to the field of plate heat exchangers, in particular to a plate heat exchanger with a protective structure. Background Art

[0002] A plate heat exchanger, also known as a plate heat exchanger, is a highly efficient heat exchanger composed of a series of stacked, corrugated metal sheets. Thin rectangular channels are formed between the plates, through which heat is exchanged. Plate heat exchangers are ideal for liquid-liquid and liquid-vapor heat exchange. They feature high heat transfer efficiency, minimal heat loss, a compact and lightweight structure, a small footprint, wide application, and a long service life. Under the same pressure loss conditions, their heat transfer coefficient is 3-5 times higher than that of a tubular heat exchanger, and they occupy only one-third the floor space of a tubular heat exchanger. Their heat recovery rate can reach over 90%.

[0003] The plate exchanger in the prior art usually does not have a corresponding protective structure on the outside, and the plates are easily affected by the external environment. After long-term use, gaps may appear between the plates due to corrosion, affecting the sealing and thus the flow of internal water, which will affect the overall heat dissipation performance. Moreover, since the clamping plates on both sides of the plate heat exchanger are detachably fastened by bolts, in order to avoid damage and rust of the bolts affecting the installation and removal effect, a structure is needed that can protect the bolt ends from external collision damage and prevent rust from being affected by the external environment. To this end, the utility model proposes a plate heat exchanger with a protective structure to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the present utility model is to provide a plate heat exchanger with a protective structure to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the present invention provides the following technical solutions: a plate heat exchanger with a protective structure, comprising

[0006] The heat exchanger includes a compression plate, which includes a fixed compression plate on one side and a movable compression plate on the other side. A plate is arranged between the compression plates on both sides, and the compression plates on both sides are fastened by a number of fastening screws. A protective sleeve slot is provided on the outer side of the fastening screw end on the outer wall of the compression plate, and a nut protective sleeve is connected to the protective sleeve slot. The nut protective sleeve is arranged on the outer side of the fastening screw end. A protective plug-in plate is also provided between the compression plates on both sides from top to bottom, and the protective plug-in plate is arranged on the outer side of the upper end of the plate.

[0007] Preferably, an annular protective sleeve slot is provided on the outer side wall of the pressing plate. The protective sleeve slot is provided on the pressing plate outside the outer ring of the fastening screw. A nut protective sleeve is inserted into the protective sleeve slot. The nut protective sleeve is cylindrical. A protective sleeve hole is provided inside one end, and a slot is provided on the outer wall of the same end. A rotary clamping slot is provided at the end of the slot. A rotary clamping buckle corresponding to the slot protrudes on the inner wall of the protective sleeve slot.

[0008] Preferably, the end of the nut protective sleeve is inserted into the protective sleeve slot. The rotary clamping buckle is inserted into the slot and is inserted into one end of the rotary clamping slot through the slot. The nut protective sleeve is rotated to move the position of the rotary clamping slot, and the rotary clamping buckle is clamped in the rotary clamping slot. The nut protective sleeve is sleeved outside the nut at the end of the fastening screw.

[0009] Preferably, symmetrically arranged insertion tracks are fixedly connected to both ends of the inner walls of the two pressing plates. A protective insertion plate is inserted into the insertion tracks from top to bottom. The protective insertion plate is inserted and sleeved outside the upper end of the plate card between the two pressing plates.

[0010] Preferably, the side surface of the protective insertion plate is in a door shape. The protective insertion plate is an elastic telescopic plate, which includes a middle fixing plate. Connecting insertion plates protrude on the side walls on both sides of the fixing plate. Elastic plates are telescopically connected to the outside of the ends of the connecting insertion plates. A connecting slot corresponding to the connecting insertion plate is provided on one side of the elastic plate. A support spring is provided in the connecting slot, and the other end of the support spring is fixedly connected to the end of the connecting insertion plate inserted into the connecting slot.

[0011] Preferably, a positioning edge also protrudes from the upper end of the outer side of the elastic plate. The positioning edge extends outwards and corresponds to the shape of the upper end of the pressing plate, and covers and positions the upper ends of the two pressing plates.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] By providing a protective insertion plate connected by insertion, the present utility model can be inserted between the pressing plates from top to bottom and sleeved outside the upper end of the plate piece, which can prevent the external environment from corroding or colliding and damaging the plate piece, improve the protection effect on the plate piece, and also provide a protection structure for the end of the fastening screw. Through this protection structure, the nut at the end of the fastening screw can be sleeved and protected, preventing the nut from being oxidized and corroded by the external environment, and also preventing the nut from being damaged by external collisions, improving the protection effect, and avoiding the influence of damage to the end of the fastening screw on the installation and disassembly of each component of the heat exchanger. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the present utility model;

[0015] Figure 2This is the right-side structural view of the present utility model;

[0016] Figure 3 This is the schematic diagram of the structure expansion of the present utility model;

[0017] Figure 4 This is the schematic diagram of the structure of the nut protection sleeve in the present utility model.

[0018] In the figure: 1 heat exchanger, 2 pressing plate, 3 fastening screw, 4 insertion track, 5 protection insertion plate, 6 nut protection sleeve, 7 protection sleeve slot, 8 fixing plate, 9 elastic plate, 10 connecting insertion plate, 11 positioning edge, 12 protection sleeve hole, 13 slot, 14 rotation card slot. Detailed implementation manners

[0019] In order to clearly and completely describe the purpose, technical solution of the present utility model and make the advantages more clearly understood, the following further details the embodiments of the present utility model with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present utility model, rather than all of the embodiments, and are only used to explain the embodiments of the present utility model, not to limit the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0020] Please refer to Figures 1-4 , the present utility model provides a technical solution: a plate heat exchanger with a protection structure, including

[0021] a heat exchanger 1, the heat exchanger 1 includes a pressing plate 2, the pressing plate 2 includes a fixed pressing plate on one side and a movable pressing plate on the other side, there are plate sheets arranged between the two pressing plates 2, the two pressing plates 2 are fastened by a plurality of fastening screws 3, a protection sleeve slot 7 is opened on the outer side wall of the pressing plate 2 outside the end of the fastening screw 3, a nut protection sleeve 6 is connected in the protection sleeve slot 7, the nut protection sleeve 6 is sleeved outside the end of the fastening screw 3, and a protection insertion plate 5 is inserted and sleeved from top to bottom between the two pressing plates 2, and the protection insertion plate 5 is sleeved outside the upper end of the plate sheet;

[0022] a circular protection sleeve slot 7 is opened on the outer side wall of the pressing plate 2, the protection sleeve slot 7 is opened on the pressing plate 2 on the outer circle of the fastening screw 3, the nut protection sleeve 6 is inserted into the protection sleeve slot 7, the nut protection sleeve 6 is in a cylindrical shape, a protection sleeve hole 12 is opened inside one end, a slot 13 is opened on the outer wall of the same end, a rotation card slot 14 is opened at the end of the slot 13, and a rotation buckle corresponding to the slot 13 protrudes on the inner wall of the protection sleeve slot 7. By sleeving the nut protection sleeve 6 outside the nut at the end of the fastening screw 3, it can effectively protect against the influence of the external environment, avoid oxidation and corrosion of the nut, prevent damage to the end of the fastening screw 3, and affect the installation and disassembly of each component of the heat exchanger 1;

[0023] The end of the nut protection sleeve 6 is inserted into the protection sleeve slot 7, the rotary buckle is inserted into the slot 13, and is inserted into one end of the rotary card slot 14 through the slot 13. Rotate the nut protection sleeve 6 to move the position of the rotary card slot 14, and snap the rotary buckle into the rotary card slot 14. The nut protection sleeve 6 is sleeved outside the nut at the end of the fastening screw rod 3. Through the cooperation of the slot 13, the rotary card slot 14 and the rotary buckle inside the protection sleeve slot 7, the automatic detachment of the nut protection sleeve 6 can be avoided, and the protection performance can be improved;

[0024] At both ends of the inner wall of the two pressing plates 2, symmetrically arranged insertion tracks 4 are fixedly connected. The protection insertion plate 5 is inserted into the insertion track 4 from top to bottom. The protection insertion plate 5 is inserted and sleeved outside the upper end of the board card between the two pressing plates 2. The insertion track 4 can provide a guiding function and can limit the protection insertion plate 5 to ensure the stability of the protection insertion plate 5 after insertion and provide a stable protection effect;

[0025] The side of the protection insertion plate 5 is in a door shape. The protection insertion plate 5 is an elastic telescopic plate, which includes a middle fixing plate 8. Connecting insertion plates 10 protrude from both side walls of the fixing plate 8. An elastic plate 9 is telescopically connected to the outside of the end of the connecting insertion plate 10. A connecting slot corresponding to the connecting insertion plate 10 is provided on one side of the elastic plate 9. A support spring is arranged in the connecting slot, and the other end of the support spring is fixedly connected to the end of the connecting insertion plate 10 inserted into the connecting slot;

[0026] A positioning edge 11 also protrudes from the upper end of the outer side of the elastic plate 9. The positioning edge 11 extends outwards and corresponds to the shape of the upper end of the pressing plate 2, and covers and positions the upper ends of the two pressing plates 2. The protection insertion plate 5 is a telescopic structure, which can be used in cooperation with the two pressing plates 2 and is suitable for use with pressing plates 2 with different spacings to ensure that the board card between the pressing plates 2 can be protected. Moreover, it also has a positioning structure, which can cooperate with the insertion track 4 to limit the position of the protection insertion plate 5, further improving the stability and protection effect.

[0027] In actual use, the nut protective sleeve 6 can be sleeved outside the nut at the end of the fastening screw 3, which can effectively protect against the influence of the external environment, avoid oxidation and corrosion of the nut, and prevent damage to the end of the fastening screw 3, so as not to affect the installation and disassembly of various components of the heat exchanger 1. Through the cooperation of the slot 13, the rotating slot 14 and the rotating buckle inside the protective sleeve slot 7, the automatic detachment of the nut protective sleeve 6 can be avoided, and the protection performance can be improved. The insertion track 4 can provide a guiding function and limit the protective insertion plate 5 to ensure the stability of the protective insertion plate 5 after insertion, and a stable protection effect can be provided. The protective insertion plate 5 is a telescopic structure and can be used in cooperation with the pressing plates 2 on both sides to adapt to the pressing plates 2 with different spacings, ensuring that the board cards between the pressing plates 2 can be protected. Moreover, it also has a positioning structure and can cooperate with the insertion track 4 to limit the position of the protective insertion plate 5, further improving the stability and protection effect.

[0028] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plate heat exchanger with a protective structure, characterized in that: include A heat exchanger (1) includes a compression plate (2), the compression plate (2) includes a fixed compression plate on one side and a movable compression plate on the other side, a plate is provided between the compression plates (2) on both sides, the compression plates (2) on both sides are fastened by a plurality of fastening screws (3), a protective sleeve slot (7) is provided on the outer side of the fastening screw (3) end on the outer wall of the compression plate (2), a nut protective sleeve (6) is connected in the protective sleeve slot (7), the nut protective sleeve (6) is sleeved on the outer side of the fastening screw (3) end, and a protective plug-in plate (5) is provided between the compression plates (2) on both sides from top to bottom, the protective plug-in plate (5) is sleeved on the outer side of the upper end of the plate.

2. The plate heat exchanger with a protection structure according to claim 1, wherein: A circular protective sleeve slot (7) is provided on the outer wall of the pressing plate (2), and the protective sleeve slot (7) is provided on the pressing plate (2) of the outer ring of the fastening screw (3). A nut protective sleeve (6) is inserted into the protective sleeve slot (7). The nut protective sleeve (6) is cylindrical, and a protective sleeve hole (12) is provided inside one end thereof, and a slot (13) is provided on the outer wall of the same end. A rotation slot (14) is provided at the end of the slot (13), and a rotation buckle corresponding to the slot (13) is protruded on the inner wall of the protective sleeve slot (7).

3. The plate heat exchanger with a protection structure according to claim 2, characterized in that: The end of the nut protective sleeve (6) is inserted into the protective sleeve slot (7), the rotating buckle is inserted into the slot (13), and is inserted into one end of the rotating slot (14) through the slot (13). The nut protective sleeve (6) is rotated to move the position of the rotating slot (14), and the rotating buckle is clamped in the rotating slot (14). The nut protective sleeve (6) is sleeved on the outside of the nut at the end of the fastening screw (3).

4. A plate heat exchanger with a protection structure according to claim 1, characterized in that: The inner walls of the two pressing plates (2) are fixedly connected with symmetrically arranged plug-in rails (4) at both ends, and protective plug-in plates (5) are plugged into the plug-in rails (4) from top to bottom. The protective plug-in plates (5) are plug-in sleeves arranged on the outer side of the upper end of the board between the two pressing plates (2).

5. A plate heat exchanger with a protection structure according to claim 4, characterized in that: The side of the protective plug plate (5) is door-shaped. The protective plug plate (5) is an elastic telescopic plate, which includes a fixed plate (8) in the middle. Connecting plug plates (10) are protruding from the side walls of both sides of the fixed plate (8). The outer side of the end of the connecting plug plate (10) is telescopically connected to an elastic plate (9). A connecting slot corresponding to the connecting plug plate (10) is opened on one side of the elastic plate (9). A supporting spring is provided in the connecting slot, and the other end of the supporting spring is connected and fixed to the end of the connecting plug plate (10) inserted into the connecting slot.

6. The plate heat exchanger with a protection structure according to claim 5, characterized in that: The outer upper end of the elastic plate (9) is also provided with a positioning edge (11) protruding outward, and the positioning edge (11) corresponds to the shape of the upper end of the pressing plate (2), and is covered on the upper ends of the pressing plates (2) on both sides for positioning.

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