CN212899693U - Flame-retardant polypropylene sealing strip - Google Patents
Flame-retardant polypropylene sealing strip Download PDFInfo
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- CN212899693U CN212899693U CN202021915813.0U CN202021915813U CN212899693U CN 212899693 U CN212899693 U CN 212899693U CN 202021915813 U CN202021915813 U CN 202021915813U CN 212899693 U CN212899693 U CN 212899693U
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Abstract
The utility model provides a flame-retardant polypropylene sealing strip, which comprises a sealing strip main body in a long strip shape, wherein an installation cavity is arranged in the sealing strip main body along the length direction, an elastic buffer component matched with the sealing strip main body is arranged in the installation cavity along the length direction, and an installation component is arranged at the outer bottom of the sealing strip main body along the length direction; the outer top of the sealing strip main body is provided with a groove along the length direction, a flame-retardant sheet is arranged in the groove, the inner surface of the flame-retardant sheet is provided with a plurality of embedded blocks at intervals along the length direction, the embedded blocks are in a dovetail shape, and the sealing strip main body is provided with embedded grooves which are matched with the embedded blocks one by one; the utility model discloses simple structure, compactness can guarantee the fire resistance of sealing strip, and the sealing strip is difficult for droing, warp, and the result of use is better.
Description
Technical Field
The utility model relates to a sealing strip specifically is a fire-retardant polypropylene sealing strip.
Background
The sealing strip is a product which seals an object, is not easy to open, and has the functions of shock absorption, water resistance, sound insulation, heat insulation, dust prevention, fixation and the like. The sealing strip is made of various materials such as rubber, paper, metal, plastic and the like. The polypropylene sealing strip is one of plastic sealing strips with the largest application amount, and has the performance characteristics of good strength, stable electrical and chemical properties, good wear resistance, vibration resistance and moisture resistance, light weight and the like.
Polypropylene weatherstrips have relatively poor flame retardancy, and in order to increase the flame retardancy of polypropylene weatherstrips, flame retardant sheets need to be provided on the weatherstrips. However, the sealing strip can be aged after being used for a long time, so that the flame-retardant sheet is easy to fall off, and the using effect is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fire-retardant polypropylene sealing strip to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the flame-retardant polypropylene sealing strip comprises a long-strip-shaped sealing strip main body, wherein an installation cavity is formed in the sealing strip main body along the length direction, an elastic buffer assembly matched with the sealing strip main body is arranged in the installation cavity along the length direction, and an installation assembly is arranged at the outer bottom of the sealing strip main body along the length direction;
the sealing strip is characterized in that a groove is formed in the outer top of the sealing strip body along the length direction, a flame-retardant piece is arranged in the groove, a plurality of embedded blocks are arranged on the inner surface of the flame-retardant piece along the length direction at intervals, the embedded blocks are in a dovetail shape, and embedded grooves matched with the embedded blocks one by one are formed in the sealing strip body.
As a further aspect of the present invention: the elastic buffer component comprises a supporting block arranged at the bottom in the installation cavity along the length direction, and a plurality of elastic connecting pieces connected with the sealing strip main body are arranged on the supporting block at intervals along the length direction.
As a further aspect of the present invention: the projection of the installation cavity on the vertical plane is semicircular, the projection of the supporting block on the vertical plane is semicircular, and the circle center of the supporting block and the circle center of the installation cavity are on the same point;
the elastic connecting piece is composed of a plurality of buffer springs arranged in the mounting cavity at intervals along the circumferential direction, and the free ends of the buffer springs are connected with the supporting block.
As a further aspect of the present invention: the mounting assembly comprises a connecting plate arranged at the outer bottom of the sealing strip main body along the length direction, a V-shaped fixing strip is arranged at the bottom of the connecting plate along the length direction, a plurality of positioning raised heads are arranged at intervals along the length direction at the outer bottom of the V-shaped fixing strip, and the free end of each positioning raised head is in a semi-sphere shape.
As a further aspect of the present invention: the outer surface of the flame-retardant sheet is provided with protective glue, and the outer surface of the protective glue is level with the outer surface of the sealing strip main body.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model adopts the above structure after, through mutually supporting of the embedded piece and the embedded groove that set up, the stability of being connected between multiplicable fire-retardant piece and the sealing strip makes fire-retardant piece be difficult for droing to the flame retardant efficiency of the sealing strip of assurance, simple structure, the result of use is better.
And through the mutual cooperation of the connecting plate, the V-shaped fixing strip and the positioning raised heads, the sealing strip is not easy to deviate and fall off in the using process, and the sealing strip is stable in structure and convenient to use.
Simultaneously, through mutually supporting of the installation cavity that sets up and elastic buffer subassembly, can cushion the support to the sealing strip, prevent that the sealing strip from warping, simple structure, compactness have guaranteed the sealing function of sealing strip. The utility model discloses simple structure, compactness can guarantee the fire resistance of sealing strip, and the sealing strip is difficult for droing, warp, and the result of use is better.
Drawings
FIG. 1 is a schematic structural diagram of a flame-retardant polypropylene sealing strip.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a sectional view taken along line B-B in fig. 1.
In the figure: 1. a seal strip body; 2. a mounting cavity; 3. an elastic buffer component; 301. a support block; 302. an elastic connecting member; 3021. a buffer spring; 4. mounting the component; 401. a connecting plate; 402. a V-shaped fixing strip; 403. positioning the raised head; 5. a flame retardant sheet; 6. embedding a block; 7. a groove is embedded; 8. and (5) protective glue.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-3, a flame retardant polypropylene sealing strip includes a strip-shaped sealing strip main body 1, an installation cavity 2 is arranged in the sealing strip main body 1 along the length direction, an elastic buffer assembly 3 adapted to the sealing strip main body 1 is arranged in the installation cavity 2 along the length direction, and an installation assembly 4 is arranged at the outer bottom of the sealing strip main body 1 along the length direction; be equipped with the recess at the outer top of sealing strip main part 1 along length direction, be equipped with fire-retardant piece 5 in the recess, the internal surface of fire-retardant piece 5 is equipped with a plurality of embedded pieces 6 along the length direction interval, embedded piece 6 is the dovetail, is equipped with on sealing strip main part 1 with each embedded piece 6 one-to-one complex embedded groove 7. Through the embedding block 6 and the embedding groove 7 mutually supporting that set up, the stability of being connected between multiplicable fire-retardant piece 5 and the sealing strip makes fire-retardant piece 5 be difficult for droing to the fire behaviour of the sealing strip of assurance, simple structure, the result of use is better.
The elastic buffer component 3 comprises a supporting block 301 arranged at the bottom in the installation cavity 2 along the length direction, and a plurality of elastic connecting pieces 302 connected with the sealing strip main body 1 are arranged on the supporting block 301 at intervals along the length direction. Through mutually supporting of the installation cavity 2 and the elastic buffering component 3, the sealing strip can be buffered and supported, the deformation of the sealing strip is prevented, the structure is simple and compact, and the sealing function of the sealing strip is ensured.
Further, the projection of the installation cavity 2 on the vertical plane is semicircular, the projection of the supporting block 301 on the vertical plane is semicircular, and the circle center of the supporting block 301 and the circle center of the installation cavity 2 are located at the same point; the elastic connecting piece 302 is composed of a plurality of buffer springs 3021 arranged in the installation cavity 2 at intervals along the circumferential direction, and the free ends of the buffer springs 3021 are connected with the supporting block 301. Supporting shoe 301 cooperatees with installation cavity 2 and forms fan-shaped cavity, and each buffer spring 3021 equipartition can be diversified carry out elastic buffer to sealing strip main part 1 in fan-shaped cavity, and effectual sealing strip main part 1 of avoiding warp, and the result of use is better.
In addition, the mounting assembly 4 comprises a connecting plate 401 arranged at the outer bottom of the sealing strip main body 1 along the length direction, a V-shaped fixing strip 402 is arranged at the bottom of the connecting plate 401 along the length direction, a plurality of positioning raised heads 403 are arranged at intervals along the length direction at the outer bottom of the V-shaped fixing strip 402, and the free ends of the positioning raised heads 403 are semi-spherical, so that the positioning raised heads 403 can be conveniently inserted into corresponding assembling parts. Through the mutual cooperation of the connecting plate 401, the V-shaped fixing strip 402 and the positioning convex heads 403, the sealing strip is not easy to deviate and fall off in the using process, and the V-shaped fixing strip is stable in structure and convenient to use.
Preferably, the outer surface of the flame-retardant sheet 5 is provided with a protective adhesive 8, the outer surface of the protective adhesive 8 is level with the outer surface of the sealing strip main body 1, the flame-retardant sheet 5 can be protected, and the normal use of the sealing strip is not affected.
The utility model discloses a theory of operation is: firstly, the sealing strip main body 1 is installed, the connecting plate 401, the V-shaped fixing strip 402 and the positioning raised head 403 are inserted into the matched assembling grooves, and the sealing strip main body 1 is not easy to fall off through the mutual matching of the V-shaped fixing strip 402 and the positioning raised head 403.
When the sealing strip is used, the sealing strip main body 1 can be buffered and supported in multiple directions through the mutual matching of the installation cavity 2, the supporting block 301 and the buffer springs 3021, so that the sealing strip main body 1 is not easy to deform. Moreover, the flame-retardant sheet 5, the embedded block 6 and the embedded groove 7 are matched with each other, so that the flame-retardant performance of the sealing strip main body 1 can be ensured, and meanwhile, the flame-retardant sheet 5 is not easy to fall off.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. The flame-retardant polypropylene sealing strip comprises a strip-shaped sealing strip main body (1), and is characterized in that an installation cavity (2) is formed in the sealing strip main body (1) along the length direction, an elastic buffer assembly (3) matched with the sealing strip main body (1) is arranged in the installation cavity (2) along the length direction, and an installation assembly (4) is arranged at the outer bottom of the sealing strip main body (1) along the length direction;
be equipped with the recess at the outer top of sealing strip main part (1) along length direction, be equipped with fire-retardant piece (5) in the recess, the internal surface of fire-retardant piece (5) is equipped with a plurality of embedding pieces (6) along the length direction interval, embedding piece (6) are the dovetail, are equipped with on sealing strip main part (1) with each embedding piece (6) one-to-one complex embedded groove (7).
2. The flame retardant polypropylene weather strip according to claim 1, wherein the elastic buffer assembly (3) comprises a support block (301) disposed at the bottom of the installation cavity (2) along the length direction, and a plurality of elastic connectors (302) connected to the weather strip body (1) are disposed on the support block (301) at intervals along the length direction.
3. The flame-retardant polypropylene sealing strip according to claim 2, wherein the projection of the mounting cavity (2) on the vertical plane is semicircular, the projection of the supporting block (301) on the vertical plane is semicircular, and the circle center of the supporting block (301) is at the same point as the circle center of the mounting cavity (2);
the elastic connecting piece (302) is composed of a plurality of buffer springs (3021) arranged in the installation cavity (2) at intervals along the circumferential direction, and the free ends of the buffer springs (3021) are connected with the supporting block (301).
4. The flame-retardant polypropylene sealing strip according to claim 1, wherein the mounting assembly (4) comprises a connecting plate (401) arranged at the outer bottom of the sealing strip body (1) along the length direction, a V-shaped fixing strip (402) is arranged at the bottom of the connecting plate (401) along the length direction, a plurality of positioning raised heads (403) are arranged at the outer bottom of the V-shaped fixing strip (402) along the length direction at intervals, and the free end of each positioning raised head (403) is in a semi-spherical shape.
5. The flame-retardant polypropylene sealing strip according to claim 1, wherein the outer surface of the flame-retardant sheet (5) is provided with a protective adhesive (8), and the outer surface of the protective adhesive (8) is flush with the outer surface of the sealing strip body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021915813.0U CN212899693U (en) | 2020-09-04 | 2020-09-04 | Flame-retardant polypropylene sealing strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021915813.0U CN212899693U (en) | 2020-09-04 | 2020-09-04 | Flame-retardant polypropylene sealing strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212899693U true CN212899693U (en) | 2021-04-06 |
Family
ID=75255479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021915813.0U Active CN212899693U (en) | 2020-09-04 | 2020-09-04 | Flame-retardant polypropylene sealing strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212899693U (en) |
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2020
- 2020-09-04 CN CN202021915813.0U patent/CN212899693U/en active Active
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