Plate heat exchanger gasket with buffering function

Abstract

The utility model relates to the technical field of heat exchanger gaskets, and discloses a plate heat exchanger gasket with a buffering function, which comprises a base plate, and the top of the base plate is fixedly connected with a limiting frame. The plate heat exchanger gasket with the buffering function is provided with the first rubber blocks, the first rubber protrusions, the second rubber protrusions, the third rubber protrusions, the second rubber blocks and the grooves, and the multiple rubber blocks are matched with the rubber protrusions; energy generated by pressure change of fluid in the heat exchanger and external impact can be effectively dispersed and absorbed, when pressure acts on the gasket, the first rubber block and the first rubber protrusion, the second rubber protrusion and the third rubber protrusion in the first rubber block can deform to different degrees according to the pressure, and therefore multi-stage buffering is provided, and the service life of the heat exchanger is prolonged. And the deformable space of the rubber is further increased through the grooves in the second rubber blocks so as to adapt to various complex working conditions, and the buffering performance of the gasket is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger gasket technical field, specifically is a plate heat exchanger gasket with buffering function. BACKGROUND

[0002] Plate heat exchanger is by a series of have certain corrugated shape metal sheet stack and form a kind of high-efficiency heat exchanger, various sheet form thin rectangular passageway, pass through sheet and carry out heat exchange, plate heat exchanger has multiple heat exchange plates and is extruded mutually, plate heat exchanger needs to install multiple gaskets to assist when installing, plate heat exchanger gasket is one of important components of plate heat exchanger, is the gasket made of material that can produce plastic deformation and have certain strength.

[0003] Prior art publication No. CN218884755U patent literature provides a kind of plate heat exchanger gasket, utilize the extrusion force of first buffer spring and second buffer spring to the square pad, make first buffer spring and second buffer spring play the role of supporting buffer, avoid the phenomenon of square pad extrusion over.

[0004] The above prior art, although although have buffering effect to some extent, in actual use, since a large number of springs are used to realize buffering, and the compression and extension of spring are rapid when being impacted, leading to larger amplitude of oscillation, more intense, make stability poor, cannot satisfy people's needs, therefore, we need a kind of plate heat exchanger gasket with buffering function. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of plate heat exchanger gasket with buffering function to solve the problems raised in the above background.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of plate heat exchanger gasket with buffering function, including pad, the top of pad is fixedly connected with limiting frame, and the inner wall of limiting frame is provided with buffer assembly;

[0007] The buffer assembly includes first rubber block, and the inner wall of first rubber block is provided with fixed component, the inner wall of first rubber block is fixedly connected with first rubber protrusion, and the inner wall of first rubber block is fixedly connected with second rubber protrusion, the inner wall of second rubber protrusion is fixedly connected with third rubber protrusion, the bottom of pad is detachably connected with second rubber block, and the inner wall of second rubber block is provided with recess;

[0008] The fixed assembly comprises a bolt hole, the inner wall of the first rubber block is provided with a mounting groove, and the inner wall of the mounting groove is connected with a fixed plate in a sliding mode, the outer wall of the fixed plate is provided with a fixed bolt, the inner wall of the mounting groove is provided with a first sealing ring, and the inner wall of the second rubber block is provided with a second sealing ring.

[0009] Preferably, the number of the first rubber protrusions is two, and the two first rubber protrusions are symmetrically arranged with the median line of the first rubber block as the symmetric axis.

[0010] Preferably, the number of the third rubber protrusions is two, and the two third rubber protrusions are symmetrically arranged on the second rubber protrusion.

[0011] Preferably, the number of the grooves is multiple, and the multiple grooves are equidistantly arranged.

[0012] Preferably, the fixed plate and the first rubber block form a fixed structure through the fixed bolt, and one end of the fixed bolt penetrates through the fixed plate and the first rubber block and extends into the bolt hole for connection.

[0013] Preferably, the inner wall of the mounting groove and the outer wall of the fixed plate are matched in shape and size.

[0014] Preferably, the inner wall of the mounting groove and the outer wall of the first sealing ring are matched in shape and size.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] Firstly, the first rubber block, the first rubber protrusion, the second rubber protrusion, the third rubber protrusion, the second rubber block and the groove are arranged, the multiple rubber blocks and rubber protrusions are matched with each other, energy generated from pressure change of fluid in the heat exchanger and external impact can be effectively dispersed and absorbed, when pressure acts on the gasket, the first rubber block and the first rubber protrusion, the second rubber protrusion and the third rubber protrusion in the first rubber block are deformed to different degrees according to the pressure, thereby multi-stage buffering is provided, the deformable space of the rubber is further increased through the groove on the second rubber block, so as to adapt to various complex working conditions and improve the buffering performance of the gasket.

[0017] Second, the utility model discloses be provided with bolt hole, installation slot, fixed plate, fixed bolt, first sealing ring and second sealing ring, through the cooperation of fixed bolt and fixed plate, can be good with the first rubber block fixed on the backing plate, the installation and disassembly of first rubber block are convenient, and it is convenient to replace for long -time use, through being provided with first sealing ring and second sealing ring, the leakproofness is strengthened, prevents fluid from the gap between gasket and heat exchanger plate piece and leaks. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is main view structural schematic drawing of the utility model;

[0019] Figure 2 It is backing plate and first rubber block structural schematic drawing of the utility model;

[0020] Figure 3 It is first rubber block and first sealing ring structural schematic drawing of the utility model;

[0021] Figure 4 It is the utility model Figure 2 It is the utility model

[0022] Wherein: 1, backing plate;2, limit frame;3, buffer assembly;301, first rubber block;302, first rubber convex;303, second rubber convex;304, third rubber convex;305, second rubber block;306, recess;4, fixed component;401, bolt hole;402, installation slot;403, fixed plate;404, fixed bolt;405, first sealing ring;406, second sealing ring. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] As Figures 1-4As shown, a plate heat exchanger gasket with buffering function, including the gasket plate 1, the top of the gasket plate 1 is fixedly connected with the limiting frame 2, and the inner wall of the limiting frame 2 is provided with a buffering assembly 3; the buffering assembly 3 includes a first rubber block 301, and the inner wall of the first rubber block 301 is provided with a fixing assembly 4, the inner wall of the first rubber block 301 is fixedly connected with a first rubber protrusion 302, and the inner wall of the first rubber block 301 is fixedly connected with a second rubber protrusion 303, the inner wall of the second rubber protrusion 303 is fixedly connected with a third rubber protrusion 304, the bottom of the gasket plate 1 is detachably connected with a second rubber block 305, and the inner wall of the second rubber block 305 is provided with a groove 306; the fixing assembly 4 includes a bolt hole 401, the inner wall of the first rubber block 301 is provided with a mounting groove 402, and the inner wall of the mounting groove 402 is slidably connected with a fixing plate 403, the outer wall of the fixing plate 403 is provided with a fixing bolt 404, the inner wall of the mounting groove 402 is provided with a first sealing ring 405, and the inner wall of the second rubber block 305 is provided with a second sealing ring 406.

[0025] Through the above technical scheme, through the cooperation of multiple rubber blocks and rubber protrusions, the energy generated by the pressure change of the fluid in the heat exchanger and the external impact can be effectively dispersed and absorbed, when the pressure acts on the gasket, the first rubber block 301 and the first rubber protrusion 302, the second rubber protrusion 303 and the third rubber protrusion 304 inside it will deform to different degrees according to the pressure, thereby providing multi-stage buffering, the groove 306 on the second rubber block 305 further increases the deformable space of the rubber, to adapt to various complex working conditions, improve the buffering performance of the gasket, compared with the buffering mode of using a large number of springs in the prior art, the rubber material itself has good elasticity and damping characteristics, which can quickly stabilize while absorbing impact energy, reduce the influence on the overall stability of the heat exchanger, meet the needs of people; through the cooperation of the fixing bolt 404 and the fixing plate 403, the first rubber block 301 can be fixed on the gasket plate 1, which is convenient for installation and disassembly of the first rubber block 301, and convenient for replacement after long-term use, through the setting of the first sealing ring 405 and the second sealing ring 406, the sealing performance is improved, preventing fluid from leaking from the gap between the gasket and the heat exchanger plate.

[0026] Specifically, the number of first rubber protrusions 302 is two, and the two first rubber protrusions 302 are symmetrically arranged with the vertical line of the first rubber block 301 as the axis of symmetry.

[0027] Through the above technical scheme, through the symmetrically arranged first rubber protrusions 302, the impact force can be well buffered.

[0028] Specifically, the number of third rubber protrusions 304 is two, and the two third rubber protrusions 304 are symmetrically arranged on the second rubber protrusion 303.

[0029] Through the above technical scheme, the impact force can be well buffered through the two third rubber protrusions 304 arranged symmetrically.

[0030] Specifically, the number of grooves 306 is multiple, and the multiple grooves 306 are arranged at equal distances.

[0031] Through the above technical scheme, when pressure is received, the grooves 306 can provide more buffering areas, so that the rubber material can more flexibly adjust the shape, thereby better dispersing and absorbing the pressure.

[0032] Specifically, the gasket 1 and the first rubber block 301 form a fixed structure through the fixing bolt 404, and one end of the fixing bolt 404 penetrates the fixing plate 403 and the first rubber block 301 and extends into the bolt hole 401 for connection.

[0033] Through the above technical scheme, the inner wall of the gasket 1 is provided with a plurality of bolt holes 401, and the number of fixing bolts 404 corresponds to the number of bolt holes 401. By using the fixing bolt 404, the first rubber block 301 can be well fixed on the gasket 1; by using the fixing bolt 404, the second rubber block 305 can be well fixed on the gasket 1.

[0034] Specifically, the inner wall shape and size of the mounting groove 402 and the outer wall shape and size of the fixing plate 403 are matched with each other, and the inner wall of the mounting groove 402 and the outer wall of the fixing plate 403 are matched.

[0035] Through the above technical scheme, the connection effect between the mounting groove 402 and the fixing plate 403 is strengthened, the fixing plate 403 is placed in the mounting groove 402, the contact area is increased, and by using the fixing bolt 404, the abutting force acts on the fixing plate 403. The fixing plate 403 is fixed under the pressure of the fixing bolt 404, so that the first rubber block 301 is difficult to loosen.

[0036] Specifically, the inner wall shape and size of the mounting groove 402 and the outer wall shape and size of the first sealing ring 405 are matched with each other, and the inner wall of the mounting groove 402 and the outer wall of the first sealing ring 405 are matched.

[0037] Through the above technical scheme, the connection effect between the mounting groove 402 and the first sealing ring 405 is strengthened, the first sealing ring 405 can better play its own effect, and the sealing property is strengthened.

[0038] In use, first gasket is placed between the plate heat exchanger sheet, through the clamping device tightly pressed together sheet and gasket; in the heat exchanger working process, the buffer assembly 3 of gasket absorbs the energy generated by pressure change and external impact constantly, through the first sealing ring 405 and the second sealing ring 406 set, the sealing is strengthened, so as to ensure the normal operation of plate heat exchanger, when the plate heat exchanger works, the pressure change of internal fluid and the external impact that may be received will produce force on the gasket, when the pressure acts on the first rubber block 301, the first rubber convex 302, the second rubber convex 303 and the third rubber convex 304 in the limiting frame 2 on the top of the gasket plate 1, the first rubber block 301, the first rubber convex 302, the second rubber convex 303 and the third rubber convex 304 begin to absorb a part of the pressure and deform by virtue of their elasticity, can well disperse the pressure, provide multistage buffer, the multiple grooves 306 in the inner wall of the second rubber block 305 at the bottom of the gasket plate 1 increase the deformable space of rubber under the action of pressure, the rubber in the groove 306 part can be extruded and deformed into the groove 306, further relieve the pressure, facilitate to adapt to various complex working conditions, reduce the influence on the stability of the whole heat exchanger;When installing the first rubber block, by using the tightening fixing bolt 404, the abutting force is applied to the fixed plate 403, so that the fixed plate 403 tightly fixes the first rubber block 301 on the gasket plate 1 under the pressure of the fixing bolt 404, so that it is difficult to loosen, the second rubber block 301 is installed, and in long-term use, when the rubber block needs to be replaced, it is convenient to disassemble and replace, which completes all the work, the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0039] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A plate heat exchanger gasket with a buffering function, comprising a gasket plate (1), characterised in that: The top of the backing plate (1) is fixedly connected with a limiting frame (2), and the inner wall of the limiting frame (2) is provided with a buffer assembly (3); The buffer assembly (3) comprises a first rubber block (301), and the inner wall of the first rubber block (301) is provided with a fixing assembly (4); the inner wall of the first rubber block (301) is fixedly connected with a first rubber protrusion (302); the inner wall of the first rubber block (301) is fixedly connected with a second rubber protrusion (303); the inner wall of the second rubber protrusion (303) is fixedly connected with a third rubber protrusion (304); the bottom of the backing plate (1) is detachably connected with a second rubber block (305), and the inner wall of the second rubber block (305) is provided with a groove (306); The fixing assembly (4) comprises a bolt hole (401); the inner wall of the first rubber block (301) is provided with a mounting groove (402); the inner wall of the mounting groove (402) is slidably connected with a fixing plate (403); the outer wall of the fixing plate (403) is provided with a fixing bolt (404); the inner wall of the mounting groove (402) is provided with a first sealing ring (405); and the inner wall of the second rubber block (305) is provided with a second sealing ring (406).

2. The plate heat exchanger gasket with a buffering function according to claim 1, characterized in that: The number of the first rubber protrusions (302) is two, and the two first rubber protrusions (302) are symmetrically arranged with the median line of the first rubber block (301) as the axis of symmetry.

3. The plate heat exchanger gasket with buffering function according to claim 1, characterized in that: The number of the third rubber protrusions (304) is two, and the two third rubber protrusions (304) are symmetrically arranged on the second rubber protrusion (303).

4. The plate heat exchanger gasket with buffering function according to claim 1, characterized in that: The number of the grooves (306) is multiple, and the multiple grooves (306) are equidistantly arranged.

5. The plate heat exchanger gasket with buffering function according to claim 1, characterized in that: The backing plate (1) and the first rubber block (301) form a fixed structure through the fixing bolt (404), and one end of the fixing bolt (404) penetrates through the fixing plate (403) and the first rubber block (301) and extends into the bolt hole (401) for connection.

6. The plate heat exchanger gasket with buffering function according to claim 1, characterized in that: The shape and size of the inner wall of the mounting groove (402) and the shape and size of the outer wall of the fixing plate (403) are matched with each other, and the inner wall of the mounting groove (402) is fitted with the outer wall of the fixing plate (403).

7. The plate heat exchanger gasket with buffering function according to claim 1, characterized in that: The shape and size of the inner wall of the mounting groove (402) and the shape and size of the outer wall of the first sealing ring (405) are matched with each other, and the inner wall of the mounting groove (402) is fitted with the outer wall of the first sealing ring (405).

Images