CN216033678U - Engineering truck door sealing sponge strip with rectangular buffer holes - Google Patents
Engineering truck door sealing sponge strip with rectangular buffer holes Download PDFInfo
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- CN216033678U CN216033678U CN202122402177.2U CN202122402177U CN216033678U CN 216033678 U CN216033678 U CN 216033678U CN 202122402177 U CN202122402177 U CN 202122402177U CN 216033678 U CN216033678 U CN 216033678U
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Abstract
The utility model provides a sealed sponge strip of machineshop car door with rectangle buffer hole, includes fixed part and compression part, the compression part set up in the fixed part top, compression part and fixed part be a whole, fixed part and compression part all adopt ethylene propylene diene monomer material, extrude one shot forming after through the hot melt, fixed part and compression part between be provided with the rectangle buffer hole, fixed part bottom cross-section be convex limit. According to the utility model, by arranging the larger rectangular buffer hole, a better buffer effect can be provided when the compression part bears larger pressure, the top surface of the smooth transition edge of the compression part and the boss are simultaneously stressed to compress downwards when being extruded, and the inclined edge has a certain inclination, so that the inclined angle towards the inclined edge is deformed when being extruded and deformed, the stress of the whole sponge strip is uniform, and the service life can be effectively prolonged.
Description
Technical Field
The utility model relates to the field of vehicle accessory manufacturing, in particular to a sealing sponge strip for a door of an engineering vehicle.
Background
The sealing strip is a kind of sealing strip mainly used for plastic-steel doors and windows, aluminum alloy doors and windows, wood doors and windows and other architectural decoration doors and windows. The plastic-steel door and window sealing strips on the market are generally formed by extruding PVC, modified PVC, ethylene propylene diene monomer, elastomer sealing strips (including TPV, TPE, TPR and SEBS), silica gel and other materials. The sealing rubber strip plays an important role in water resistance, sealing and energy conservation in plastic-steel doors and windows, bridge-cut-off aluminum doors and windows and wood doors and windows, and has the functions of sound insulation, dust prevention, freeze prevention and heat preservation. It must have a high tensile strength, good elasticity and also a good temperature and ageing resistance. The engineering machinery works for a long time, and the door of the engineering machinery needs to be frequently ventilated, so that the door of the engineering machinery needs to be opened frequently, the sealing performance of the door of the engineering machinery is important, and the sealing performance needs to be reliable.
Disclosure of Invention
In view of the above problems, the utility model aims to provide a sealing sponge strip for a door of an engineering truck with a rectangular buffer hole, which is beneficial to stable stress in the extrusion process, uniform plane stress and improvement of dustproof and waterproof capabilities by arranging a plurality of cavities.
The technical scheme of the utility model is realized by the following modes: the utility model provides a sealed sponge strip of machineshop car door with rectangle buffer hole, includes fixed part and compression part, the compression part set up in the fixed part top, compression part and fixed part be a whole, fixed part and compression part all adopt ethylene propylene diene monomer material, extrude one shot forming after the hot melt, fixed part and compression part between be provided with rectangle buffer hole, its characterized in that: the cross section of the bottom of the fixing part is an arc-shaped edge.
Furthermore, the left side and the right side of the fixing part are both provided with round corners.
Furthermore, the top of the fixing part is an arc transition surface.
Furthermore, the compression part comprises a bottom edge, an inclined edge, a smooth transition edge and a boss, wherein the bottom edge is a horizontal straight edge, the bottom edge, the inclined edge and the smooth transition edge are sequentially connected to form a compression part main body, an extrusion accommodating cavity is formed in the middle of the compression part main body, and the boss is arranged at an extending part above the joint of the inclined edge and the smooth transition edge.
Furthermore, the smooth transition edge and the upper edge of the fixing part form an acute included angle surface.
According to the utility model, by arranging the larger rectangular buffer hole, a better buffer effect can be provided when the compression part bears larger pressure, the top surface of the smooth transition edge of the compression part and the boss are simultaneously stressed to compress downwards when being extruded, and the inclined edge has a certain inclination, so that the inclined angle towards the inclined edge is deformed when being extruded and deformed, the stress of the whole sponge strip is uniform, and the service life can be effectively prolonged.
Drawings
Fig. 1 is a sectional view of a sealing sponge strip for a machineshop car door provided with a rectangular buffer hole according to the present invention.
In the figure: 1 fixed part, 11 circular arc edges, 12 rounded corners, 13 circular arc transition surfaces, 2 compression parts, 21 bottom edges, 22 inclined edges, 23 smooth transition edges, 24 bosses, 25 acute angle included angle surfaces, 26 extrusion accommodating cavities and 3 rectangular buffer holes.
Detailed Description
As shown in figure 1, the sealing sponge strip for the engineering vehicle door provided with the rectangular buffer hole comprises a fixing part 1 and a compression part 2, wherein the compression part 2 is arranged above the fixing part 1, the compression part 2 and the fixing part 1 are integrated, the fixing part 1 and the compression part 2 are made of ethylene propylene diene monomer rubber materials and are extruded and formed in one step after hot melting, the rectangular buffer hole 3 is arranged between the fixing part 1 and the compression part 2, the bottom section of the fixing part 1 is an arc-shaped edge 11, the left side and the right side of the fixing part 1 are respectively provided with a circular bead 12, the top of the fixing part 1 is an arc-shaped transition surface 13, the compression part 2 comprises a bottom edge 21, an inclined edge 22, a smooth transition edge 23 and a boss 24, the bottom edge 21 is a horizontal straight edge, the bottom edge 21, the inclined edge 22 and the smooth transition edge 23 are sequentially connected to form a compression part main body, an extrusion accommodating cavity 26 is formed in the middle of the compression part main body, the boss 24 is arranged at an extending part above the joint of the inclined edge 22 and the smooth transition edge 23, the rounded transition edge 23 forms an acute included angle surface 25 with the upper edge of the fixing part 1.
When the door is closed, through setting up bigger rectangle buffer hole 3, can be when compression part 2 bears great pressure, provide better buffering effect, the atress down compresses when smooth and smooth transition limit 23 top surface and the extrusion of boss 24 of compression part 2 simultaneously, slope 22 has certain inclination, therefore the angular deformation towards slope 22 slope when the extrusion is out of shape, whole sponge strip atress is even, when the door is opened, because the rectangle buffer hole 3 that sets up, certain resilience has, extrusion holding cavity 26 also has fine resilience effect, make things convenient for silence effect when the door opens and shuts, and sealed effect, and can effectively improve life.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a sealed sponge strip of machineshop car door with rectangle buffer hole, includes fixed part and compression part, the compression part set up in the fixed part top, compression part and fixed part be a whole, fixed part and compression part all adopt ethylene propylene diene monomer material, extrude one shot forming after the hot melt, fixed part and compression part between be provided with rectangle buffer hole, its characterized in that: the cross section of the bottom of the fixing part is an arc-shaped edge.
2. The engineering vehicle door sealing sponge strip provided with the rectangular buffer hole as claimed in claim 1, wherein: the left side and the right side of the fixing part are both provided with fillets.
3. The engineering vehicle door sealing sponge strip provided with the rectangular buffer hole as claimed in claim 1, wherein: the top of the fixed part is an arc transition surface.
4. The engineering vehicle door sealing sponge strip provided with the rectangular buffer hole as claimed in claim 1, wherein: the compression part comprises a bottom edge, an inclined edge, a smooth transition edge and a boss, wherein the bottom edge is a horizontal straight edge, the bottom edge, the inclined edge and the smooth transition edge are sequentially connected to form a compression part main body, an extrusion accommodating cavity is formed in the middle of the compression part main body, and the boss is arranged on an extending part above the joint of the inclined edge and the smooth transition edge.
5. The engineering vehicle door sealing sponge strip provided with the rectangular buffer hole as claimed in claim 4, wherein: the smooth transition edge and the upper edge of the fixing part form an acute included angle surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122402177.2U CN216033678U (en) | 2021-10-07 | 2021-10-07 | Engineering truck door sealing sponge strip with rectangular buffer holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122402177.2U CN216033678U (en) | 2021-10-07 | 2021-10-07 | Engineering truck door sealing sponge strip with rectangular buffer holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216033678U true CN216033678U (en) | 2022-03-15 |
Family
ID=80547700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122402177.2U Active CN216033678U (en) | 2021-10-07 | 2021-10-07 | Engineering truck door sealing sponge strip with rectangular buffer holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216033678U (en) |
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2021
- 2021-10-07 CN CN202122402177.2U patent/CN216033678U/en active Active
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