Compression-resistant brazed plate heat exchanger

Abstract

The utility model discloses a compression-resistant brazed plate heat exchanger, which belongs to the field of heat exchangers and comprises a main body mechanism, a fixing mechanism is mounted below the main body mechanism, and a compression-resistant mechanism is mounted in the middle of the main body mechanism. The compression-resistant mechanism comprises a first heat conduction piece, a welding piece is fixedly installed at the rear end of the first heat conduction piece, a second heat conduction piece is movably installed behind the first heat conduction piece, a sleeve is fixedly installed at the front end of the second heat conduction piece, and a compression-resistant spring is fixedly installed in the sleeve. The welding piece is movably installed on the sleeve through the compression-resistant spring, the structure enables the first heat conduction piece and the second heat conduction piece to be provided with the elastic part after being connected, when the device is pressed in the using process, the elastic structure enables the compression resistance of the device to be improved, and under the elastic vibration of the compression-resistant spring, dust is not prone to adhering to the surfaces of the first heat conduction piece and the second heat conduction piece, and the service life of the device is prolonged. Therefore, the device has certain dustproof performance.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger field especially relates to a kind of anti-pressure brazing plate heat exchanger. BACKGROUND

[0002] Brazing plate heat exchanger is due to heat exchanger by thin metal sheet of stamping into corrugated shape, fluid is carefully arranged and flows through the passage between sheet, coolant and heat medium always in adjacent passage reverse flow heat exchange, and due to the welding sealing of contact point between sheet, medium cannot flow out of equipment, to ensure normal operation under certain pressure;

[0003] Brazing plate heat exchanger is due to the metal sheet of certain corrugated shape is stacked and formed by brazing, and the edge of sheet is welded, and the contact point of each sheet is also welding point, and this welding structure makes heat exchanger can withstand the pressure of medium, and plays the role of pressure resistance, but in actual use, the metal sheet stacking structure of fixed corrugated shape is relatively pressure-resistant, but its special structure is easy to accumulate dust and difficult to clean, therefore, we propose a kind of anti-pressure brazing plate heat exchanger. SUMMARY

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a kind of anti-pressure brazing plate heat exchanger, welding piece is movably installed in sleeve by compression spring, the structure makes heat conducting sheet one and heat conducting sheet two connect and have elastic component, when the device is subjected to pressure, elastic structure makes the compression of the device increase, and under the elastic vibration of compression spring, the surface of heat conducting sheet one and heat conducting sheet two is not easy to stick dust, so that the device has certain dustproof property.

[0005] The above technical purpose of the utility model is realized by the following technical scheme:

[0006] A kind of anti-pressure brazing plate heat exchanger, including main body mechanism, the lower portion of the main body mechanism is equipped with fixed mechanism, the middle part of the main body mechanism is equipped with compression mechanism;

[0007] The compression mechanism includes heat conducting sheet one, the rear end of the heat conducting sheet one is fixedly installed with welding piece, the rear of the heat conducting sheet one is movably installed with heat conducting sheet two, the front end of the heat conducting sheet two is fixedly installed with sleeve, the inside of the sleeve is fixedly installed with compression spring, heat conducting sheet one and heat conducting sheet two are same structure in the device, and are equidistantly connected in cycle, welding piece is fixed in the front end of heat conducting sheet one by welding, sleeve is also fixed in the rear end of heat conducting sheet two by welding, again by the connection of sleeve and welding piece, it can be installed together in cycle.

[0008] Further, the main body mechanism comprises a front plate, a front end of the front plate is fixedly provided with an inlet pipe, a connecting bolt is internally and threadedly installed at a side of the front plate, a rear plate is movably installed at a rear of the front plate, a fixing screw hole is fixedly arranged at a side of the rear plate, a supporting leg is fixedly arranged at a lower end of the front plate, and a gasket is movably installed at a middle portion of the supporting leg.

[0009] Further, the fixing mechanism comprises a fixing frame, and an installation hole is fixedly arranged at an upper portion of the fixing frame.

[0010] Further, a front end of the heat-conducting sheet one is fixedly connected with a rear end of the front plate, the welding piece is in a T-shaped structure, the welding pieces are equidistantly arranged at the rear end of the heat-conducting sheet one, and the welding piece and the front plate are welded and connected, so that the heat-conducting sheet one and the front plate have a supporting point, and the uniform connection point is improved when force is applied.

[0011] Further, the sleeve is equidistantly arranged at the front end of the heat-conducting sheet two, the welding piece is movably installed in the sleeve through the compression spring, and the welding piece is movably installed in the sleeve through the compression spring, so that the heat-conducting sheet one and the heat-conducting sheet two have an elastic component after being connected, the compression of the device is improved when the device is subjected to pressure, the surface of the heat-conducting sheet one and the heat-conducting sheet two is not easy to adhere to dust under the elastic vibration of the compression spring, and therefore the device has a certain dustproof property.

[0012] Further, the front plate and the rear plate are of the same structure, and the connecting bolt and the fixing screw hole are matched.

[0013] Further, the supporting legs are symmetrically arranged at the lower end of the front plate and the rear plate, the supporting legs are in a T-shaped structure, and the gasket is in a ring-shaped structure and movably connected with the supporting leg.

[0014] Further, the number of the fixing frames is two, the fixing frames are in a U-shaped structure, and the installation hole movably has the supporting leg.

[0015] In conclusion, the utility model has the following beneficial effects:

[0016] 1. By movably mounting the welded parts on the sleeve via the anti-compression spring, this structure makes the connection between the first heat-conducting sheet and the second heat-conducting sheet have an elastic component. When the device is subjected to pressure, the elastic structure increases the device's compressive strength. Furthermore, under the elastic vibration of the anti-compression spring, it also makes it difficult for dust to adhere to the surfaces of the first heat-conducting sheet and the second heat-conducting sheet, thereby giving the device a certain degree of dust resistance.

[0017] 2. By installing shims between the support legs and the fixed frame, the shims are made of wear-resistant, quiet soft nylon. After the device is assembled, there are buffer components at the connection between the lower ends of the front and rear plates and the fixed frame, which not only reduces the wear of both, but also gives the device a certain degree of compressive strength in the vertical direction. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure in this embodiment;

[0019] Figure 2 This is a schematic diagram of the split structure in this embodiment;

[0020] Figure 3 This is in this embodiment Figure 2 Enlarged structural diagram of A in the middle;

[0021] Figure 4 This is a cross-sectional structural diagram of this embodiment;

[0022] Figure 5 This is in this embodiment Figure 4 A magnified structural diagram of B.

[0023] In the diagram, 1. Main body; 101. Front plate; 102. Inlet pipe; 103. Connecting bolt; 104. Rear plate; 105. Fixing screw hole; 106. Support leg; 107. Gasket; 2. Fixing mechanism; 201. Fixing frame; 202. Mounting hole; 3. Compression-resistant mechanism; 301. Heat-conducting sheet one; 302. Welded part; 303. Heat-conducting sheet two; 304. Sleeve; 305. Compression-resistant spring. Detailed Implementation

[0024] The present invention will be further described in detail below with reference to the accompanying drawings.

[0025] Identical parts are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, while the terms "bottom surface," "top surface," "inner," and "outer" refer to directions toward or away from the geometric center of a specific part, respectively.

[0026] Reference Figures 1-5As shown, a pressure-resistant brazed plate heat exchanger is provided in a preferred embodiment of the present invention, including a main body 1, a fixing mechanism 2 installed below the main body 1, and a pressure-resistant mechanism 3 installed in the middle of the main body 1.

[0027] The anti-compression mechanism 3 includes a heat-conducting sheet 301, a welded component 302 fixedly installed at the rear end of the heat-conducting sheet 301, a heat-conducting sheet 303 movably installed at the rear of the heat-conducting sheet 301, a sleeve 304 fixedly installed at the front end of the heat-conducting sheet 303, and an anti-compression spring 305 fixedly installed inside the sleeve 304. The heat-conducting sheet 301 and the heat-conducting sheet 303 have the same structure in this device and are cyclically connected at equal intervals. The welded component 302 is fixedly welded to the front end of the heat-conducting sheet 301, and the sleeve 304 is also fixedly welded to the rear end of the heat-conducting sheet 303. The connection between the sleeve 304 and the welded component 302 allows the two to be cyclically installed together.

[0028] The main body 1 includes a front plate 101, an inlet pipe 102 fixedly installed at the front end of the front plate 101, a connecting bolt 103 installed on the internal thread of the side of the front plate 101, a rear plate 104 movably installed at the rear of the front plate 101, a fixing screw hole 105 fixedly installed on the internal side of the rear plate 104, a support leg 106 fixedly installed at the lower end of the front plate 101, and a washer 107 movably installed in the middle of the support leg 106. The support leg 106 is provided at the lower end of the front plate 101 and the rear plate 104 to facilitate the installation of the fixing mechanism 2 at the lower end of the device. The front plate 101 and the rear plate 104 are connected by the connecting bolt 103, making the front and rear ends of the device detachable and increasing the convenience of internal maintenance.

[0029] The fixing mechanism 2 includes a fixing frame 201, and an installation hole 202 is fixedly provided inside the upper part of the fixing frame 201. By setting the fixing frame 201, the device can be easily installed.

[0030] The front end of the heat-conducting sheet 301 is fixedly connected to the rear end of the front plate 101. The welded part 302 has a T-shaped structure and is evenly distributed at the rear end of the heat-conducting sheet 301. The welded connection between the welded part 302 and the front plate 101 provides a support point between them, increasing the pressure resistance by ensuring evenly connected points when under stress.

[0031] The sleeve 304 is equidistantly distributed at the front end of the heat conducting sheet two 303, the welding piece 302 is movably installed in the sleeve 304 through the compression spring 305, the welding piece 302 is movably installed in the sleeve 304 through the compression spring 305, the structure makes the heat conducting sheet one 301 and the heat conducting sheet two 303 have the elastic component after being connected, when the device is subjected to pressure, the elastic structure makes the compression resistance of the device be improved, and under the elastic vibration of the compression spring 305, the surface of the heat conducting sheet one 301 and the heat conducting sheet two 303 is not easy to adhere dust, so that the device has a certain dustproof capacity.

[0032] The front plate 101 and the rear plate 104 are the same structure, the connecting bolt 103 and the fixing screw hole 105 are matched, and the same structure of the front plate 101 and the rear plate 104 is more convenient to fix through the connecting bolt 103.

[0033] The support leg 106 is symmetrically distributed at the lower end of the front plate 101, the support leg 106 is symmetrically distributed at the lower end of the rear plate 104, the support leg 106 is a T-shaped structure, the gasket 107 is a ring structure and is movably connected with the support leg 106, the gasket 107 is made of mute soft nylon with good wear resistance, when the device is assembled, the lower end of the front plate 101 and the rear plate 104 and the fixing frame 201 have the buffer component at the connecting position, which not only reduces the wear of the two, but also makes the falling direction of the device have a certain compression resistance.

[0034] The number of the fixing frame 201 is two, the fixing frame 201 is a U-shaped structure, the support leg 106 is movably installed in the mounting hole 202, the movably installed support leg 106 and the fixing frame 201 are fixed through the gasket 107, so as to avoid the hard stress on the lower part of the upper end of the device when subjected to pressure.

[0035] Specific implementation process: first, the heat conducting sheet one 301 and heat conducting sheet two 303 are set to the same structure, the rear end of heat conducting sheet one 301 is connected by welding structure welding piece 302, the front end of heat conducting sheet two 303 is also connected sleeve 304 by welding structure, the inside of sleeve 304 is fixedly installed compression spring 305, then the lower end of T-shaped structure welding piece 302 is clamped into the inside of sleeve 304 and is fixedly connected with compression spring 305, heat conducting sheet one 301 and heat conducting sheet two 303 are sequentially and circularly installed, the internal structure of the device can be formed, when the front and back of the device are stressed in use, the elastic structure makes the compression resistance of the device increase, and under the elastic vibration of compression spring 305, the surface of heat conducting sheet one 301 and heat conducting sheet two 303 is not easy to adhere dust, so that the device has certain dustproof property, the various components of the device complement each other, the support leg 106 is movably installed in the inside of fixed frame 201, and gasket 107 is movably installed between the two, gasket 107 is made of wear-resistant mute soft nylon, when the device is assembled, the lower end of front plate 101 and rear plate 104 and the connecting position of fixed frame 201 have buffering components, not only reducing the wear of the two, but also making the device have certain compression resistance in vertical direction.

[0036] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pressure-resistant brazed plate heat exchanger, characterized in that: Including the main body mechanism (1), the lower part of the main body mechanism (1) is provided with a fixed mechanism (2), and the middle part of the main body mechanism (1) is provided with a pressure resisting mechanism (3); The pressure resisting mechanism (3) comprises a heat guide piece one (301), a welding piece (302) is fixedly installed at the rear end of the heat guide piece one (301), a heat guide piece two (303) is movably installed at the rear of the heat guide piece one (301), a sleeve (304) is fixedly installed at the front end of the heat guide piece two (303), and an anti-pressure spring (305) is fixedly installed in the sleeve (304).

2. A pressure resistant brazed plate heat exchanger according to claim 1, characterized in that The main body mechanism (1) comprises a front plate (101), an inlet pipe (102) is fixedly arranged at the front end of the front plate (101), a connecting bolt (103) is screwedly installed in the inner side of the side of the front plate (101), a rear plate (104) is movably installed at the rear of the front plate (101), a fixed screw hole (105) is fixedly arranged in the inner side of the side of the rear plate (104), a supporting leg (106) is fixedly arranged at the lower end of the front plate (101), and a gasket (107) is movably installed at the middle part of the supporting leg (106).

3. A pressure resistant brazed plate heat exchanger according to claim 1, characterized in that: The fixed mechanism (2) comprises a fixed frame (201), and the inner side of the upper part of the fixed frame (201) is fixedly provided with a mounting hole (202).

4. A pressure resistant brazed plate heat exchanger according to claim 2, characterized in that: The front end of the heat guide piece one (301) is fixedly connected with the rear end of the front plate (101), the welding piece (302) is of a T-shaped structure, and the welding piece (302) is equidistantly distributed at the rear end of the heat guide piece one (301).

5. A pressure resistant brazed plate heat exchanger according to claim 1, characterized in that: The sleeve (304) is equidistantly distributed at the front end of the heat guide piece two (303), and the welding piece (302) is movably installed in the sleeve (304) through the anti-pressure spring (305).

6. A pressure resistant brazed plate heat exchanger according to claim 2, characterized in that: The front plate (101) and the rear plate (104) are of the same structure, and the connecting bolt (103) and the fixed screw hole (105) are matched.

7. A pressure resistant brazed plate heat exchanger according to claim 2, characterized in that: The supporting leg (106) is symmetrically distributed at the lower end of the front plate (101), the supporting leg (106) is symmetrically distributed at the lower end of the rear plate (104), the supporting leg (106) is of a T-shaped structure, and the gasket (107) is of an annular structure and movably connected with the supporting leg (106).

8. A pressure resistant brazed plate heat exchanger according to claim 3, characterized in that: The number of the fixed frame (201) is two, the fixed frame (201) is of a U-shaped structure, and the supporting leg (106) is movably installed in the inner side of the mounting hole (202).

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