CN112600141B - Surrounding type sealing device for building electrical pipeline - Google Patents
Surrounding type sealing device for building electrical pipeline Download PDFInfo
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- CN112600141B CN112600141B CN202011421299.XA CN202011421299A CN112600141B CN 112600141 B CN112600141 B CN 112600141B CN 202011421299 A CN202011421299 A CN 202011421299A CN 112600141 B CN112600141 B CN 112600141B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
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Abstract
The invention discloses a surrounding type sealing device for a building electric pipeline, which comprises an external fixing external member, an upper connecting end part, a lower connecting end part, an external connecting component, an internal ring component and a bending telescopic component, wherein the upper connecting end part and the lower connecting end part are respectively arranged on the upper section and the lower section of the external fixing external member; the adjacent external fixing external members are respectively connected and fixed through the clamping action between the upper connecting end part and the lower connecting end part; an outer connecting component is coaxially sleeved at the clamping position of the adjacent outer fixing external member, and the upper end and the lower end of the outer connecting component are respectively fixed with the upper connecting end part and the lower connecting end part; the middle part of the pipe wall of the external fixing external member is connected with a bending telescopic assembly, and the bending telescopic assembly is bent in the same direction at the connecting corner of the building electric pipeline; and a plurality of built-in ring pieces are coaxially arranged in the external fixing external member, and each built-in ring piece is in sealing fit with the building electric pipeline and is limited and fastened in the external fixing external member.
Description
Technical Field
The invention relates to the technical field of electric pipeline sealing and connecting equipment, in particular to a surrounding type sealing device for a building electric pipeline.
Background
Along with the high-speed development of economy in China, the infrastructure of various cities is gradually improved, and higher standards and requirements are provided for the construction grade and the maintenance efficiency of building pipelines. If the pipeline waterproof sealing handles improperly, the time is long, the circumstances such as infiltration, ponding will appear in the pipeline, will all cause the influence to the safety of cable conductor itself and maintenance construction, serious still can cause accidents such as electric power interruption. The existing sealing devices of pipelines are mostly simple connecting and fixing devices, a layer of rubber coating is basically arranged on the inner side of the sealing device for simple water prevention, the waterproof sealing effect is poor, and the high defense protection effect is not achieved; in addition, the rubber coating layer is easy to fall off from the inner glue layer when the rubber coating layer is used for pipeline joints and high-bearing-pressure pipelines, which further affects the building safety, so that a surrounding type sealing device for building electric pipelines is needed to solve the problems.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a surrounding type sealing device for a building electric pipeline comprises an outer fixing sleeve, an upper connecting end part, a lower connecting end part, an outer connecting component, a built-in ring component and a bending telescopic component, wherein the outer fixing sleeve is coaxially sleeved and fixed on the periphery of the building electric pipeline, the outer fixing sleeve is used for sealing and protecting the building electric pipeline and the joint of adjacent pipelines, and the upper section and the lower section of the outer fixing sleeve are respectively provided with the upper connecting end part and the lower connecting end part;
The adjacent external fixing external members are respectively connected and fixed through the clamping action between the upper connecting end part and the lower connecting end part;
an outer connecting component is coaxially sleeved at the clamping position of the adjacent outer fixing external member, and the upper end and the lower end of the outer connecting component are respectively fixed with the upper connecting end part and the lower connecting end part; the adjacent external fixing external members are limited and deviated through the external connecting components, and the external connecting components can slide up and down relatively, so that when the pipeline with overlarge internal bearing pressure of the building electric pipeline generates local vibration, the internal vibration of the adjacent external fixing external members is uniformly dispersed to each connecting point, and local compression resistance and shock absorption are performed on the external fixing external members;
the middle part of the pipe wall of the external fixing external member is connected with a bending telescopic assembly, and the bending telescopic assembly is bent in the same direction at the connecting corner of the building electric pipeline;
and a plurality of built-in ring pieces are coaxially arranged in the external fixing external member, and each built-in ring piece is in sealing fit with the building electric pipeline and is limited and fastened in the external fixing external member.
As a preferred technical scheme of the present invention, the lower connection end portion includes an external connection shaft sleeve, a built-in fixing member, a connection pipe, and a fixing inner ring, wherein one end of the external fixing kit is hermetically fixed with the external connection shaft sleeve, and the built-in fixing member is coaxially fixed in the external connection shaft sleeve;
A connecting pipe fitting is arranged in the built-in fixing piece, one end of the connecting pipe fitting penetrates through the outer connecting shaft sleeve, a fixing inner ring is arranged in the connecting pipe fitting, and the fixing inner ring is connected and fixed with the built-in fixing piece through a plurality of locking bolts;
the connecting pipe fitting is used for connecting the upper connecting end part with the lower connecting end part, and one end of the connecting pipe fitting can be limited and fixed in the upper connecting end part of the adjacent external fixing sleeve member in a relative sliding manner.
As a preferable technical scheme of the invention, the cross section of the connecting pipe fitting is of a trapezoid structure, and one side of the pipe orifice with relatively larger outer diameter extends into the lower connecting end part of the adjacent external fixing external member.
As a preferred technical scheme of the invention, the upper connecting end part comprises a mounting shaft sleeve, a connecting spring and an inner limiting ring, wherein the mounting shaft sleeve is fixed at one end of the outer fixing sleeve far away from the outer connecting shaft sleeve in a sealing manner, and the inner limiting ring is coaxially arranged in the mounting shaft sleeve;
the inner limiting ring is made of a plastic material with high elastic pressure deformation, and a plurality of connecting springs are distributed on the outer side of the circumference of the inner limiting ring in an array manner and are fixedly connected with the mounting shaft sleeve through the connecting springs;
The inner circumference side wall of the inner limiting ring is provided with a truncated inclined surface corresponding to the inclined surface of the connecting pipe fitting, so that the connecting pipe fitting can be limited and fixed in the inner limiting ring in a relative sliding manner under the elastic action of a spring.
As a preferred technical solution of the present invention, the external connection component includes a protection connecting pipe, a fixing bolt, an internal connection sliding seat and a limit sliding external member, wherein a plurality of connection notches are respectively arranged on the outer sides of the circumferences of the upper and lower ends of the external fixing external member, and both ends of the protection connecting pipe are fixed to the upper and lower ends of the adjacent external fixing external member by the fixing bolt penetrating through the connection notches;
inner connecting sliding seats are further fixed on the upper connecting end and the lower connecting end of the outer fixing external member, and fixing bolts penetrate through the inner connecting sliding seats, so that the adjacent outer fixing external members can vertically slide relative to each other along the fixing bolts through the inner connecting sliding seats;
and a limiting sliding sleeve is sleeved outside one side of the protection connecting pipe close to the upper connecting end part, and is fixedly connected with the fixing bolt part through a thread meshing effect, so that the upper end of the external fixing sleeve slides up and down relatively to be limited and fixed in the limiting sliding sleeve.
As a preferable technical solution of the present invention, the cross section of the limit sliding sleeve is in a [ shape ] structure, and a plurality of internal springs are arranged in parallel in the limit sliding sleeve, and the internal springs reversely press the upper end and the lower end of the adjacent external fixing sleeve through the elastic force of the internal springs.
As a preferred technical scheme of the invention, the bending telescopic assembly comprises an outer telescopic layer, an inner telescopic layer, an installation guide member and a transmission chain member, wherein the installation guide members are symmetrically arranged on the outer fixing suite from top to bottom, and are in a locking state under the action of internal clamping;
an outer telescopic layer is connected between the mounting guide pieces, and an inner telescopic layer is coaxially arranged in the outer telescopic layer;
and a plurality of transmission chain pieces are hinged between the outer telescopic layer and the inner telescopic layer in a staggered manner through fixing pieces.
As a preferred technical scheme of the invention, the built-in ring piece further comprises a shock absorption elastic layer, an inner contact layer I, an inner contact layer II and an outer ring piece, the inner contact layer I and the inner contact layer II are arranged up and down and are connected and fixed, the outer ring piece is sleeved at the joint of the inner contact layer I and the inner contact layer II and is clamped and fixed by the outer ring piece, the shock absorption elastic layers are arranged between the inner contact layer I and the outer fixing external member, and the shock absorption elastic layers are made of high-flexibility elastic fiber materials.
Compared with the prior art, the invention provides a surrounding type sealing device for a building electric pipeline, which has the following beneficial effects:
according to the invention, a plurality of mutually connected external fixing external members are sleeved on the periphery of the pipe wall of the building electric pipeline, and the electric pipeline is subjected to internal and external isolation protection by the external fixing external members to form an external sealing protective layer so as to correspond to the electric pipeline with relatively weak pipe wall or relatively high internal bearing pressure of the pipeline, so that the safety performance of the building electric pipeline is provided; in addition, especially for the electric pipeline with overlarge daily bearing pressure, in order to reduce the internal vibration transmitted by the pipe fittings during the work and improve the stability and fixation effect of the pipeline, the transmitted vibration of the electric pipeline is dispersed to the connection points of the external fixing external members, and the relative limiting slippage between the upper connection end part and the lower connection end part of the adjacent external fixing external members is utilized to carry out local absorption, compression resistance and shock absorption; and, to the protection of laying of pipeline department of bending, for reduction in production cost, the maximize utilizes the material, be provided with the flexible subassembly of bending on external fixation external member, should bend flexible subassembly and can realize that 0 to 180 rotatory of pipeline protection are laid to save the production of switching pipe fitting, and, accessible installation guide spare is inside accomodate convenient and fast when not using.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic structural view of an upper connection end portion and a lower connection end portion in the present invention;
FIG. 3 is a schematic structural view of an outer coupling assembly according to the present invention;
FIG. 4 is an enlarged view of the point A in FIG. 3;
FIG. 5 is a schematic structural view of a bending telescopic assembly according to the present invention;
FIG. 6 is a schematic structural view of the inner ring member of the present invention;
in the figure: the external fixation external member 1, the upper connection end part 2, the 201 installation shaft sleeve, the 202 internal limit ring, the 203 connection spring, the 3 lower connection end part, the 301 external connection shaft sleeve, the 302 internal fixation member, the 303 fixation internal ring, the 304 connection pipe member, the 4 external connection component, the 401 protection connection pipe, the 402 fixation bolt member, the 403 internal connection sliding seat, the 404 limit sliding external member, the 405 internal spring, the 5 bending telescopic component, the 501 installation guide member, the 502 external telescopic layer, the 503 internal telescopic layer, the 504 fixation member, the 505 transmission chain member, the 6 internal ring member, the 601 shock absorption elastic layer, the 602 internal contact layer one, the 603 internal contact layer two, and the 604 external ring member.
Detailed Description
Referring to fig. 1, the present invention provides a technical solution: a surrounding type sealing device for a building electric pipeline comprises an external fixing sleeve member 1, an upper connecting end part 2, a lower connecting end part 3, an external connecting component 4, a built-in ring member 6 and a bending telescopic component 5, wherein the external fixing sleeve member 1 is coaxially sleeved and fixed on the periphery of the building electric pipeline, the external fixing sleeve member 1 is used for sealing and protecting the building electric pipeline and the connection part of adjacent pipelines of the building electric pipeline, and the upper section and the lower section of the external fixing sleeve member 1 are respectively provided with the upper connecting end part 2 and the lower connecting end part 3;
The adjacent external fixing external members 1 are respectively connected and fixed through the clamping action between the upper connecting end part 2 and the lower connecting end part 3;
an outer connecting component 4 is coaxially sleeved at the clamping position of the adjacent outer fixing external member 1, and the upper end and the lower end of the outer connecting component 4 are respectively fixed with the upper connecting end part 2 and the lower connecting end part 3; the adjacent external fixing external members 1 are limited and deviated through the external connecting components 4, and the external fixing external members can slide up and down relatively, so that when a pipeline with overlarge internal bearing pressure of a building electric pipeline generates local vibration, the internal vibration of the adjacent external fixing external members 1 is uniformly dispersed to each connecting point, and local compression resistance and shock absorption are performed on the external fixing external members;
the middle part of the pipe wall of the external fixing external member 1 is connected with a bending telescopic assembly 5, and the bending telescopic assembly 5 bends at the corner of the building electric pipeline in the same direction;
still be provided with a plurality of built-in circle spare 6 in the external fixation external member 1 coaxially, each built-in circle spare 6 and building electric pipeline sealing fit, and with its spacing fastening in external fixation external member 1, the general length range of daily design to the vertical length of external fixation external member is between 2m to 2.5m in this to adapt to most building electric pipeline's the protection of cup jointing, simultaneously in reducing production use cost, all can carry out the local extension with the flexible subassembly of bending, in order to improve the service length of external fixation external member, in this, it needs to be noted, to the pipeline protection of building inside and dark place, with long-term sealed protection as the prerequisite will bend flexible subassembly and carry out tight real income, improve the protection effect.
Referring to fig. 2, in this embodiment, the lower connection end portion 3 includes an outer connection shaft sleeve 301, an internal fixing element 302, a connection pipe 304 and a fixing inner ring 303, wherein one end of the outer fixing sleeve 1 is fixed with the outer connection shaft sleeve 301 in a sealing manner, and the internal fixing element 302 is coaxially fixed in the outer connection shaft sleeve 301;
a connecting pipe fitting 304 is installed in the built-in fixing piece 302, one end of the connecting pipe fitting 304 penetrates through the outer connecting shaft sleeve 301, a fixing inner ring 303 is arranged in the connecting pipe fitting 304, and the fixing inner ring 303 is connected and fixed with the built-in fixing piece 302 through a plurality of locking bolts;
the connecting pipe 304 is used for connecting the upper connecting end 2 and the lower connecting end 3, and one end of the connecting pipe 304 is limited and fixed in the upper connecting end 2 of the adjacent external fixing sleeve 1 in a manner of sliding relatively.
In this embodiment, the cross section of the connecting pipe 304 is a trapezoid structure, and the side with a relatively larger outer diameter of the pipe orifice extends into the upper connecting end 2 of the adjacent external fixing sleeve.
In this embodiment, the upper connection end portion 2 includes a mounting shaft sleeve 201, a connection spring 203 and an inner limit ring 202, wherein the mounting shaft sleeve 201 is fixed to one end of the outer fixing sleeve 1 far away from the outer connection shaft sleeve 301 in a sealing manner, and the inner limit ring 202 is coaxially arranged inside the mounting shaft sleeve 201;
The inner limiting ring 202 is made of a plastic material with high elastic pressure deformation, a plurality of connecting springs 203 are distributed on the outer side of the circumference of the inner limiting ring 202 in an array manner, and the connecting springs 203 are connected and fixed with the mounting shaft sleeve 201;
the inner circumference side wall of the inner limiting ring 202 is provided with a cut-off inclined surface corresponding to the inclined surface of the connecting pipe fitting 304, so that the connecting pipe fitting 304 can be limited and fixed in the inner limiting ring 202 in a relative sliding manner under the action of spring force, and for some building electrical pipelines with larger bearing pressure, in order to prevent the influence of internal vibration on the protection effect of an external fixing sleeve, the limit of one end of the connecting pipe fitting in a relative sliding manner is fixed in the upper connecting end part, and the transverse relative vibration of the pipe wall of the connecting pipe fitting is subjected to compression resistance and shock absorption by the connecting spring, so that the defense protection effect is improved.
Referring to fig. 3, in the present embodiment, the outer coupling assembly 4 includes a protection connecting pipe 401, a fixing bolt 402, an inner connecting slide 403 and a limiting slide sleeve 404, wherein a plurality of connecting notches are respectively formed on the outer sides of the circumferences of the upper and lower ends of the outer fixing sleeve 1, and both ends of the protection connecting pipe 401 are fixed to the upper and lower ends of the adjacent outer fixing sleeve 1 by the fixing bolt 402 passing through the connecting notches;
Inner connecting slide seats 403 are further fixed on the upper connecting end part 2 and the lower connecting end part 3 of the outer fixing sleeve 1, and fixing bolts 402 pass through the inner connecting slide seats 403, so that the adjacent outer fixing sleeves 1 are relatively slid vertically along the fixing bolts 402 by the inner connecting slide seats 403;
a limiting sliding sleeve 404 is sleeved outside one side of the protection connecting pipe 401 close to the upper connecting end portion 2, the limiting sliding sleeve 404 is fixedly connected with the fixing bolt piece 402 through a thread meshing effect, and the upper end of the external fixing sleeve 1 is limited and fixed in the limiting sliding sleeve 404 in a manner of sliding up and down relatively.
Referring to fig. 4, in this embodiment, the cross section of the limiting sliding sleeve 404 is in a [ shape structure ], and a plurality of internal springs 405 are arranged in parallel in the limiting sliding sleeve 404, and the internal springs 405 reversely press the upper ends and the lower ends of the adjacent external fixing sleeves 1 through the elastic force thereof, so that the external fixing sleeves are pressed against each other through the elastic force between the internal springs and the connecting springs, and a high flexible damping effect is achieved.
Referring to fig. 5, in this embodiment, the bending and stretching assembly 5 includes an outer stretching layer 502, an inner stretching layer 503, a mounting guide 501 and a driving chain member 505, wherein the mounting guide 501 is symmetrically disposed on the outer fixing kit 1 from top to bottom, and the mounting guide 501 is locked in a normal state by its inner clamping action;
An outer telescopic layer 502 is connected between the mounting guide pieces 501, and an inner telescopic layer 503 is coaxially arranged in the outer telescopic layer 502;
a plurality of driving chain members 505 are hinged between the outer telescopic layer 502 and the inner telescopic layer 503 in a staggered manner through fixing members 504, wherein the effective bending range of the bending telescopic assembly is 360 degrees so as to correspond to different pipeline distributions.
Referring to fig. 6, in the embodiment, the inner ring member 6 further includes a shock absorbing layer 601, an inner contact layer i 602, an inner contact layer ii 603, and an outer ring member 604, the inner contact layer i 602 and the inner contact layer ii 603 are arranged in an up-down arrangement and are connected and fixed, the outer ring member 604 is sleeved at a joint of the inner contact layer i 602 and the inner contact layer ii 603, and is clamped and fixed by the outer ring member 604, the shock absorbing layer 601 is further arranged between the inner contact layer i 602, the inner contact layer ii 603, and the outer fixing kit 1, and the shock absorbing layer 601 is made of a high-flexibility elastic fiber material.
Specifically, in the protection of building electric pipeline seal, through carrying out the joint with lower connecting end with a plurality of external fixation external member upper connecting end fixed to by outer hookup subassembly auxiliary seal, improve sealed protection effect, to electric pipeline's the distribution department of bending, then carry out the auxiliary bending by a plurality of articulated driving chain spare in the flexible subassembly of bending and arrange and establish, thereby save the production preparation of switching pipe fitting, and, accessible installation guide member is inside accomodate when not using, convenient and fast.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (4)
1. The utility model provides a enclose formula sealing device that building electric pipeline used, includes external fixation external member (1), goes up connection end (2), lower connection end (3), outer coupling assembling (4), built-in circle spare (6) and the flexible subassembly (5) of bending, wherein, the circumference periphery of fixing at building electric pipeline is fixed in coaxial cup jointing of external fixation external member (1), and by external fixation external member (1) seals protection, its characterized in that to building electric pipeline and adjacent pipeline junction: the upper section and the lower section of the external fixing external member (1) are respectively provided with an upper connecting end part (2) and a lower connecting end part (3);
the adjacent external fixing external members (1) are respectively connected and fixed through the clamping action between the upper connecting end part (2) and the lower connecting end part (3);
an outer connecting component (4) is coaxially sleeved at the clamping position of the adjacent outer fixing external member (1), and the upper end and the lower end of the outer connecting component (4) are respectively fixed with the upper connecting end part (2) and the lower connecting end part (3); the adjacent external fixing external members (1) are shifted by limiting the external connecting components (4) in a manner of sliding up and down relatively, so that when a pipeline with overlarge internal bearing pressure of a building electric pipeline is subjected to local trembling, the internal vibration of the adjacent external fixing external members (1) is uniformly dispersed to each connecting point, and local compression resistance and shock absorption are performed on the external fixing external members;
The middle part of the pipe wall of the external fixing external member (1) is connected with a bending telescopic component (5), and the bending telescopic component (5) bends in the same direction at the corner of the building electric pipeline;
a plurality of built-in ring pieces (6) are coaxially arranged in the external fixing external member (1), and each built-in ring piece (6) is in sealing fit with the building electric pipeline and is limited and fastened in the external fixing external member (1);
the lower connecting end part (3) comprises an outer connecting shaft sleeve (301), a built-in fixing piece (302), a connecting pipe fitting (304) and a fixing inner ring (303), wherein the outer connecting shaft sleeve (301) is fixed at one end of the outer fixing sleeve (1) in a sealing mode, and the built-in fixing piece (302) is coaxially fixed in the outer connecting shaft sleeve (301);
a connecting pipe fitting (304) is installed in the built-in fixing piece (302), one end of the connecting pipe fitting (304) penetrates through the outer connecting shaft sleeve (301), a fixing inner ring (303) is arranged in the connecting pipe fitting (304), and the fixing inner ring (303) is connected and fixed with the built-in fixing piece (302) through a plurality of locking bolts;
the connecting pipe fitting (304) is used for connecting the upper connecting end part (2) and the lower connecting end part (3), and one end of the connecting pipe fitting (304) can be limited and fixed in the upper connecting end part (2) of the adjacent external fixing sleeve piece (1) in a relatively sliding manner;
The cross section of the connecting pipe fitting (304) is of a trapezoid structure, and one side of the pipe orifice with relatively larger outer diameter extends into the upper connecting end part (2) of the adjacent external fixing sleeve;
the upper connecting end part (2) comprises a mounting shaft sleeve (201), a connecting spring (203) and an inner limiting ring (202), wherein the mounting shaft sleeve (201) is fixed at one end of the outer fixing sleeve (1) far away from the outer connecting shaft sleeve (301) in a sealing manner, and the inner limiting ring (202) is coaxially arranged inside the mounting shaft sleeve (201);
the inner limiting ring (202) is made of a plastic material with high elastic deformation, a plurality of connecting springs (203) are distributed on the outer side of the circumference of the inner limiting ring (202) in an array mode, and the connecting springs (203) are fixedly connected with the mounting shaft sleeve (201);
the inner circumferential side wall of the inner limiting ring (202) is provided with a truncated inclined surface corresponding to the inclined surface of the connecting pipe fitting (304), so that the connecting pipe fitting (304) can be limited and fixed in the inner limiting ring (202) in a relatively sliding manner under the action of the elastic force of a spring;
the outer connecting assembly (4) comprises a protective connecting pipe (401), a fixing bolt piece (402), an inner connecting sliding seat (403) and a limiting sliding sleeve piece (404), wherein a plurality of connecting notches are formed in the outer sides of the circumferences of the upper end and the lower end of the outer fixing sleeve piece (1), and the two ends of the protective connecting pipe (401) penetrate through the connecting notches through the fixing bolt piece (402) to be fixed with the upper end and the lower end of the adjacent outer fixing sleeve piece (1);
Inner connecting sliding seats (403) are further fixed on the upper connecting end part (2) and the lower connecting end part (3) of the outer fixing sleeve (1), and a fixing bolt (402) penetrates through the inner connecting sliding seats (403) so that the adjacent outer fixing sleeve (1) can perform vertical relative sliding along the fixing bolt (402) by the inner connecting sliding seats (403);
and a limiting sliding sleeve piece (404) is sleeved outside one side of the protection connecting pipe (401) close to the upper connecting end part (2), the limiting sliding sleeve piece (404) is connected and fixed with the fixing bolt piece (402) through a thread meshing effect, and the upper end of the external fixing sleeve piece (1) is limited and fixed in the limiting sliding sleeve piece (404) in a manner of sliding up and down relatively.
2. A wrap-around sealing device for construction electrical conduits as claimed in claim 1, wherein: the cross section of the limiting sliding sleeve piece (404) is of a [ shape structure, a plurality of built-in springs (405) are arranged in the limiting sliding sleeve piece (404) in parallel, and the built-in springs (405) reversely press the upper end and the lower end of the adjacent external fixing sleeve piece (1) under the action of the elastic force of the built-in springs.
3. A wrap-around sealing device for construction electrical conduits as claimed in claim 1, wherein: the bending telescopic assembly (5) comprises an outer telescopic layer (502), an inner telescopic layer (503), mounting guide pieces (501) and a transmission chain piece (505), wherein the mounting guide pieces (501) are symmetrically arranged on the outer fixing suite (1) from top to bottom, and the mounting guide pieces (501) are in a locking state under a common state through internal clamping action;
An outer telescopic layer (502) is connected between the mounting guide pieces (501), and an inner telescopic layer (503) is coaxially arranged in the outer telescopic layer (502);
a plurality of transmission chain pieces (505) are hinged between the outer telescopic layer (502) and the inner telescopic layer (503) in a staggered manner through fixing pieces (504).
4. The wrap-around sealing device for building electrical conduits of claim 1, wherein: built-in circle spare (6) still include bradyseism bullet layer (601), interior contact layer one (602), interior contact layer two (603) and outer circle spare (604), interior contact layer one (602) and interior contact layer two (603) are arranged from top to bottom and link up fixedly, outer circle spare (604) have been cup jointed with the junction of interior contact layer two (603) in interior contact layer one (602), and by outer circle spare (604) joint is fixed, interior contact layer one (602) and interior contact layer two (603) with still arrange bradyseism bullet layer (601) between outer fixed external member (1), the material of bradyseism bullet layer (601) is the high flexible elastic fiber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011421299.XA CN112600141B (en) | 2020-12-04 | 2020-12-04 | Surrounding type sealing device for building electrical pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011421299.XA CN112600141B (en) | 2020-12-04 | 2020-12-04 | Surrounding type sealing device for building electrical pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN112600141A CN112600141A (en) | 2021-04-02 |
| CN112600141B true CN112600141B (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011421299.XA Active CN112600141B (en) | 2020-12-04 | 2020-12-04 | Surrounding type sealing device for building electrical pipeline |
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| CN (1) | CN112600141B (en) |
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| CN201277398Y (en) * | 2008-10-31 | 2009-07-22 | 鞍钢集团矿业公司 | Steel pipe expansion joint |
| CN109751469A (en) * | 2017-11-08 | 2019-05-14 | 权泰允 | Pipeline connects shatter-proof rubber ring assembly |
| CN211046344U (en) * | 2019-12-30 | 2020-07-17 | 麦永恒 | Surrounding type sealing device for building electric pipeline |
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