CN212567066U - Sealing gasket of plate heat exchanger - Google Patents
Sealing gasket of plate heat exchanger Download PDFInfo
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- CN212567066U CN212567066U CN202021017875.XU CN202021017875U CN212567066U CN 212567066 U CN212567066 U CN 212567066U CN 202021017875 U CN202021017875 U CN 202021017875U CN 212567066 U CN212567066 U CN 212567066U
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- sealing gasket
- sealing
- gasket
- heat exchanger
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Abstract
The invention relates to a sealing gasket of a plate heat exchanger. The sealing gasket of the plate heat exchanger comprises a sealing gasket body, wherein a longitudinal extrusion release groove is formed in the side surface of the sealing gasket body. This application seal gasket side is reserved has the extrusion release groove, and when extrusion seal gasket, the gasket body can alleviate the extrusion to heat transfer plate seal groove side down to the expansion of extrusion release groove, prevents that heat transfer plate seal groove from warping, avoids seal gasket to roll or scurry.
Description
Technical Field
The invention relates to the technical field of heat exchanger sealing gaskets, in particular to a sealing gasket for a plate type heat exchanger plate.
Background
The plate heat exchanger is a high-efficiency and compact heat exchange device, has the advantages of high heat transfer coefficient, small pressure loss, compact structure, convenient maintenance and the like, and is increasingly paid attention to along with the improvement of the structure and the improvement of large-scale manufacturing technology. The heat exchange plates of the plate heat exchanger are usually sealed by rubber strips as sealing gaskets, and the sealing gaskets are arranged in the sealing grooves of the plates and generate sealing force under the compression of the adjacent plates. The section of the sealing groove of a common heat exchange plate is inverted trapezoid, and the sealing gasket can generate expansion force towards two sides under the clamping action of the upper heat exchange plate and the lower heat exchange plate, so that the sealing groove of the heat exchange plate is easy to deform. When the medium pressure in the plate heat exchanger rises, the clamping bolt and the clamping plate deform to different degrees, so that the clamping force is weakened, and in addition, the medium pushes the rubber sealing gasket outwards, so that the rubber sealing gasket deforms, misplaces, rolls and even jumps out of the plate groove, and the sealing failure is caused.
Disclosure of Invention
The invention aims to provide a sealing gasket of a plate heat exchanger, which can solve the problem that the sealing groove of a heat exchange plate is extruded and deformed by the sealing gasket.
The technical scheme of the invention is as follows:
a sealing gasket of a plate heat exchanger comprises a sealing gasket body, wherein a longitudinal extrusion release groove is formed in the side face of the sealing gasket body.
The extrusion release groove is one and is arranged in one side surface of the sealing gasket body.
The two extrusion release grooves are arranged in the two side surfaces of the sealing gasket body.
The upper end of the sealing gasket body is provided with a longitudinal rib, and the rib is arranged outside the sealing groove of the upper heat exchange plate.
The upper end of the sealing gasket body is provided with a longitudinal rib which is arranged on the inner side of the sealing groove of the upper heat exchange plate.
The upper end of the sealing gasket body is provided with two longitudinal ribs which are respectively arranged on the inner side and the outer side of the sealing groove of the upper heat exchange plate, and the width between the two ribs is slightly larger than that of the bottom end of the sealing groove of the plate.
The outer edge of the sealing gasket body is provided with a plurality of snap fasteners, each snap fastener is composed of two connecting ribs which are symmetrically arranged and a rectangular snap fastener main body which is connected between the two connecting ribs, the connecting ribs are vertically connected with the gasket main body, a clamping hole matched with the rectangular snap fastener main body in shape is processed on the lower heat exchange plate, and each rectangular snap fastener main body is fixed in the clamping hole in a pressing mode.
The invention has the beneficial effects that:
this application seal gasket side is reserved has the extrusion release groove, and when extrusion seal gasket, the gasket body can alleviate the extrusion to heat transfer plate seal groove side down to the expansion of extrusion release groove, prevents that heat transfer plate seal groove from warping, avoids seal gasket to roll or scurry. In addition, the top of the sealing gasket is provided with a convex edge which can clamp the upper heat exchange plate under the working state to prevent the gasket from rolling or jumping out. Simultaneously be provided with a plurality of snap fasteners in gasket body edge outside, the snap fastener comprises two splice bars that the symmetry set up and the rectangle snap fastener main part of connecting between two splice bars, and the splice bar is connected with the gasket main part is perpendicular. When the heat exchange plate is used, the gasket main body is arranged at the corresponding position of the heat exchange plate, the heat exchange plate is provided with clamping holes matched with the rectangular snap fastener main bodies in shape, and each rectangular snap fastener main body is fixed in each clamping hole in a pressing mode. The bulge and the snap fastener jointly act to realize a better fixing effect and prevent the gasket from rolling or jumping out.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present application
FIG. 2 is an enlarged view of a portion of FIG. 1 at I
FIG. 3 is a schematic cross-sectional view A-A of FIG. 2
FIG. 4 is a partial enlarged view of the hole-fastening portion of the heat exchange plate of the present application
FIG. 5 is an enlarged view of the snap fastener of the present application assembled in the snap hole
FIG. 6 is a schematic view showing the positions of the upper and lower heat exchange plates of the present application
Fig. 7 is a schematic cross-sectional view of the present application after installation.
In the figure, 1-a sealing gasket body, 2-an extrusion release groove, 3-a rib, 4-a lower heat exchange plate, 5-a sealing groove, 6-an upper heat exchange plate, 7-a side edge of the sealing groove, 8-a snap fastener, 9-a connecting rib, 10-a rectangular snap fastener main body and 11-a clamping hole.
Detailed Description
The sealing gasket of the plate heat exchanger at the present stage is a whole body, has the same shape as the plate sealing groove, and has an inverted trapezoid cross section. However, the existing sealing gasket can generate expansion force towards two sides under the clamping action of the upper and lower heat exchange plates, so that the sealing groove of the heat exchange plate is easy to deform. When the medium pressure in the plate heat exchanger rises, the clamping bolt and the clamping plate deform to different degrees, so that the clamping force is weakened, and in addition, the medium pushes the rubber sealing gasket outwards, so that the rubber sealing gasket deforms, misplaces, rolls and even jumps out of the plate groove, and the sealing failure is caused.
The present application will now be described in detail with reference to the accompanying drawings:
a sealing gasket of a plate heat exchanger comprises a sealing gasket body 1, wherein a longitudinal extrusion release groove 2 is formed in the side face of the sealing gasket body, and a convex edge 3 is arranged at the top of the sealing gasket body. The extrusion release groove is arranged on the side surface of the sealing gasket body 1 along the longitudinal direction of the sealing gasket body. The crush relief grooves 2 may be one, i.e., provided in one side (left side or right side) of the gasket body, or two, i.e., provided in both sides (left side and right side) of the gasket body. The convex ribs 3 can be one or two, and when the convex ribs are one, the convex ribs can be arranged on one side, namely the inner side or the outer side, of the sealing groove 5 of the upper heat exchange plate, and also can be called as the left side or the right side, so that the sealing gasket body is fixed by one convex rib to prevent the sealing gasket body from jumping out. Also can be two beads 3, two beads set up respectively in last heat transfer slab seal groove inboard and the outside, and the width between two beads slightly is greater than the width of slab seal groove bottom, and two bead effects are better.
The sealing gasket is arranged in the sealing groove 5 of the lower heat exchange plate 4, the lower heat exchange plate 4 and the upper heat exchange plate 6 clamp the sealing gasket body 1, and the sealing gasket body 1 is compressed to expand into the reserved extrusion release groove 2, so that the extrusion to the side edge 7 of the sealing groove on the lower heat exchange plate 4 is reduced, and the deformation of the sealing gasket is reduced. When the sealing gasket is used, the sealing groove of the upper heat exchange plate is arranged between the two bulges 3 at the top of the sealing gasket body 1, and the two convex edges can block the bottom of the upper heat exchange plate 6 to play a role in fixing the sealing gasket body 1.
The sealing gasket body 1 edge outside is provided with a plurality of snap fasteners 8, and the snap fastener comprises two splice bars 9 and the rectangle snap fastener main part 10 of connecting between two splice bars 9 that the symmetry set up, and splice bar 9 is connected with gasket main part 1 is perpendicular, is processed on lower heat transfer slab 4 and has the identical card hole 11 of rectangle snap fastener main part 10 shape, and every rectangle snap fastener main part 10 is pressed to fix and is realized fixing in calorie hole 11.
When the heat exchange plate is used, the gasket main body is arranged in the sealing groove of the heat exchange plate, the heat exchange plate is provided with clamping holes matched with the rectangular snap fastener main bodies in shape, and each rectangular snap fastener main body is pressed and fixed in each clamping hole to realize fixation. Better preventing the gasket from shifting or rolling over sideways.
Claims (7)
1. The utility model provides a plate heat exchanger seal gasket, includes the seal gasket body, its characterized in that: and the side surface of the sealing gasket body is provided with a longitudinal extrusion release groove.
2. A plate heat exchanger gasket seal according to claim 1, wherein: the extrusion release groove is one and is arranged in one side surface of the sealing gasket body.
3. A plate heat exchanger gasket seal according to claim 1, wherein: the two extrusion release grooves are arranged in the two side surfaces of the sealing gasket body.
4. A plate heat exchanger gasket seal according to claim 1, 2 or 3, wherein: the upper end of the sealing gasket body is provided with a longitudinal rib, and the rib is arranged outside the sealing groove of the upper heat exchange plate.
5. A plate heat exchanger gasket seal according to claim 1, 2 or 3, wherein: the upper end of the sealing gasket body is provided with a longitudinal rib which is arranged on the inner side of the sealing groove of the upper heat exchange plate.
6. A plate heat exchanger gasket seal according to claim 1, 2 or 3, wherein: the upper end of the sealing gasket body is provided with two longitudinal ribs which are respectively arranged on the inner side and the outer side of the sealing groove of the upper heat exchange plate, and the width between the two ribs is slightly larger than that of the bottom end of the sealing groove of the plate.
7. A plate heat exchanger gasket seal according to claim 6, wherein: the outer edge of the sealing gasket body is provided with a plurality of snap fasteners, each snap fastener is composed of two connecting ribs which are symmetrically arranged and a rectangular snap fastener main body which is connected between the two connecting ribs, the connecting ribs are vertically connected with the gasket main body, a clamping hole matched with the rectangular snap fastener main body in shape is processed on the lower heat exchange plate, and each rectangular snap fastener main body is fixed in the clamping hole in a pressing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021017875.XU CN212567066U (en) | 2020-06-05 | 2020-06-05 | Sealing gasket of plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021017875.XU CN212567066U (en) | 2020-06-05 | 2020-06-05 | Sealing gasket of plate heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212567066U true CN212567066U (en) | 2021-02-19 |
Family
ID=74629870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021017875.XU Active CN212567066U (en) | 2020-06-05 | 2020-06-05 | Sealing gasket of plate heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212567066U (en) |
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2020
- 2020-06-05 CN CN202021017875.XU patent/CN212567066U/en active Active
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