Cable and pipeline penetration fire-resistant sealing device

Abstract

The utility model discloses a cable and pipeline penetration fire-resistant sealing device, relates to the technical field of cable penetration sealing, and aims to solve the technical problem of poor sealing effect of a current cable sealing module, the cable and pipeline penetration fire-resistant sealing device comprises a flame-retardant sleeve, and two groups of symmetrical fixing frames are arranged on the flame-retardant sleeve. The elastic sealing outer sleeve and the multi-layer elastic sealing sleeve are combined to form a sealing structure, the multi-layer elastic sealing sleeve is located in the elastic sealing outer sleeve, and the butt joint of the elastic sealing outer sleeve formed by combining the two rectangular combination sleeves is horizontally arranged. The butt joint of the multiple layers of elastic sealing sleeves formed by combining the two groups of semicircular combined elastic sealing sleeves is vertically arranged, so that the butt joint between the elastic sealing outer sleeve and the multiple layers of elastic sealing sleeves can be directly staggered, pollutants such as external dust can be effectively prevented from entering from the butt joint, and the sealing effect on a cable pipeline is ensured.

Description

Technical Field

[0001] This utility model relates to the field of cable penetration sealing technology, and more specifically, to a fire-resistant sealing device for cable and pipeline penetration. Background Technology

[0002] Cable laying is extremely common in construction, industry and other fields. When cables pass through different fire compartments, it is crucial to perform effective fire-resistant sealing. At this time, fire-resistant sealing devices, namely cable sealing modules, are required.

[0003] The existing elastic sealing structure in cable sealing modules usually consists of two sets of elastic sleeves. When the two sets of elastic sleeves are combined, there will be a joint gap between them. During use, external dust, fluid and other contaminants can easily enter the two sets of elastic sleeves through the joint gap, resulting in poor sealing effect of the cable sealing module on the cable pipeline. In view of this, we propose a fire-resistant sealing device for cable and pipeline penetration. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology, adapt to the needs of reality, and provide a fire-resistant sealing device for cable and pipeline penetration, so as to solve the technical problem of poor sealing effect of current cable sealing modules.

[0005] To solve the above technical problems, the present invention provides the following technical solution: a fire-resistant sealing device for cable and pipeline penetration, including a flame-retardant sleeve, two sets of symmetrical fixing frames arranged on the flame-retardant sleeve, an elastic sealing outer sleeve arranged inside the flame-retardant sleeve, and multiple layers of elastic sealing sleeves arranged inside the elastic sealing outer sleeve, the joint of the elastic sealing outer sleeve being horizontally arranged, and the joint of the multiple layers of elastic sealing sleeves being vertically arranged.

[0006] The multi-layer elastic sealing sleeve is composed of two sets of semi-circular combined elastic sealing sleeves. Each semi-circular combined elastic sealing sleeve is composed of a first semi-circular elastic sealing layer, a second semi-circular elastic sealing layer, a third semi-circular elastic sealing layer, and a fourth semi-circular elastic sealing layer stacked sequentially. On one set of the semi-circular combined elastic sealing sleeves, the mating edges of the first and third semi-circular elastic sealing layers are corrugated convex edges, and the mating edges of the second and fourth semi-circular elastic sealing layers are corrugated groove edges. On the other set of the semi-circular combined elastic sealing sleeves, the mating edges of the first and third semi-circular elastic sealing layers are corrugated groove edges, and the mating edges of the second and fourth semi-circular elastic sealing layers are corrugated convex edges. The corrugated convex edges and corrugated groove edges on the two sets of the semi-circular combined elastic sealing sleeves are staggered.

[0007] This invention utilizes a combination of a designed elastic sealing outer sleeve and multiple layers of elastic sealing sleeves to form a sealing structure. The multiple layers of elastic sealing sleeves are located inside the elastic sealing outer sleeve. The joint of the elastic sealing outer sleeve, composed of two sets of rectangular combined sleeves, is horizontally positioned, while the joint of the multiple layers of elastic sealing sleeves, composed of two sets of semi-circular combined elastic sealing sleeves, is vertically positioned. Therefore, the joints between the elastic sealing outer sleeve and the multiple layers of elastic sealing sleeves can be directly staggered, effectively preventing external dust and other contaminants from entering through the joints, thus ensuring the sealing effect on the cable conduit. Furthermore, the semi-circular combined elastic sealing sleeves in this invention have clamping edges. When the two sets of rectangular combined sleeves are joined, these clamping edges can be directly clamped, thereby positioning the semi-circular combined elastic sealing sleeves and ensuring the misalignment of the joints between the elastic sealing outer sleeve and the multiple layers of elastic sealing sleeves. To ensure stability and prevent inadequate sealing at the joint, both sets of semi-circular elastic sealing sleeves are composed of a first, second, third, and fourth semi-circular elastic sealing layer stacked sequentially. On one set, the edges of the first and third semi-circular elastic sealing layers are corrugated protruding edges, while the edges of the second and fourth semi-circular elastic sealing layers are corrugated groove edges, with the corrugated protruding edges and groove edges staggered. On the other set, the corrugated protruding edges and groove edges are arranged in opposite directions. Therefore, after the two sets of semi-circular elastic sealing sleeves are joined, the joint will form multiple staggered sealing effects from the inside out, further improving the sealing performance for cable conduits.

[0008] Preferably, the flame-retardant sleeve is composed of two sets of semicircular sleeves, with rectangular grooves opened on opposite sides of the two sets of semicircular sleeves, and the elastic sealing sleeve is located in the rectangular grooves of the two sets of semicircular sleeves. Symmetrical semicircular holes are opened at the center of both ends of the semicircular sleeves.

[0009] Preferably, the fixing frame includes a first semi-circular ring plate, on which a plurality of equidistant insertion rods are arranged. One end of each insertion rod is provided with a second semi-circular ring plate, and the second semi-circular ring plate is provided with a through hole corresponding to the insertion rod. A fixing nut is screwed onto the threaded end of the insertion rod that passes through the through hole.

[0010] Preferably, the semicircular sleeve has a through hole corresponding to the insertion rod, and the fixing bracket is perpendicular to the flame-retardant sleeve.

[0011] Preferably, the elastic sealing sleeve is composed of two sets of rectangular combined sleeves, and the two sets of rectangular combined sleeves have arc-shaped grooves on opposite sides, and the multi-layer elastic sealing sleeve is located in the arc-shaped grooves of the two sets of rectangular combined sleeves.

[0012] Preferably, a clamping edge is arranged in the center of one side of the first semi-circular elastic sealing layer, and the clamping edge is located between the butt joint of the two sets of rectangular combined sleeves.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This utility model forms a sealing structure by combining a designed elastic sealing outer jacket and a multi-layer elastic sealing sleeve. The multi-layer elastic sealing sleeve is located inside the elastic sealing outer jacket. The joint of the elastic sealing outer jacket, which is composed of two sets of rectangular combined sleeves, is set horizontally, while the joint of the multi-layer elastic sealing sleeve, which is composed of two sets of semi-circular combined elastic sealing sleeves, is set vertically. Therefore, the joints between the elastic sealing outer jacket and the multi-layer elastic sealing sleeve can be staggered, which can effectively prevent external dust and other contaminants from entering through the joint, thereby ensuring the sealing effect on the cable pipeline and solving the technical problem of poor sealing effect of current cable sealing modules. Therefore, this utility model has the advantage of better sealing effect for cable pipeline penetration.

[0015] 2. In this utility model, the semi-circular combined elastic sealing sleeve of the multi-layer elastic sealing sleeve is provided with a clamping edge. When the two sets of rectangular combined sleeves are joined, the clamping edge can be directly clamped, thereby positioning the semi-circular combined elastic sealing sleeve and ensuring the stability of the misalignment of the joint between the elastic sealing outer sleeve and the multi-layer elastic sealing sleeve. This avoids the situation where the joint is not sealed properly. Furthermore, both sets of semi-circular combined elastic sealing sleeves are composed of a first semi-circular elastic sealing layer, a second semi-circular elastic sealing layer, a third semi-circular elastic sealing layer, and a fourth semi-circular elastic sealing layer stacked sequentially. The edges of the first and third semicircular elastic sealing layers on one set of semicircular combined elastic sealing sleeves are corrugated butt convex edges, while the edges of the second and fourth semicircular elastic sealing layers are corrugated butt groove edges. The corrugated butt convex edges and corrugated butt groove edges are staggered. The corrugated butt convex edges and corrugated butt groove edges on the other set of semicircular combined elastic sealing sleeves are arranged in opposite directions. Therefore, after the two sets of semicircular combined elastic sealing sleeves are joined, their joints will form multiple staggered sealing effects from the inside out, which can further improve the sealing performance of cable conduits. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the fixing frame structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the flame-retardant sleeve and its internal structure of the present invention;

[0019] Figure 4 This is a schematic diagram of the elastic sealing outer sleeve and multi-layer elastic sealing sleeve of the present invention.

[0020] Figure 5 For the present utility model Figure 4 Enlarged view of point A in the middle;

[0021] Figure 6 This is a schematic diagram of the semi-circular combined elastic sealing sleeve structure of this utility model.

[0022] Explanation of the labels in the diagram:

[0023] 1. Flame-retardant sleeve; 101. Semicircular sleeve; 102. Rectangular groove; 103. Semicircular hole; 104. Perforation; 2. Fixing bracket; 201. First semicircular ring plate; 202. Insert rod; 203. Second semicircular ring plate; 204. Through hole; 205. Fixing nut; 3. Elastic sealing outer sleeve; 301. Rectangular combination sleeve; 302. Arc groove; 4. Multi-layer elastic sealing sleeve; 5. Semicircular combination elastic sealing sleeve; 501. First semicircular elastic sealing layer; 502. Second semicircular elastic sealing layer; 503. Third semicircular elastic sealing layer; 504. Fourth semicircular elastic sealing layer; 505. Corrugated butt joint protrusion; 506. Corrugated butt joint groove edge; 507. Clamping edge. Detailed Implementation

[0024] like Figures 1 to 6 As shown, this utility model relates to a fire-resistant sealing device for cable and pipeline penetration, including a flame-retardant sleeve 1, two sets of symmetrical fixing brackets 2 arranged on the flame-retardant sleeve 1, an elastic sealing outer sleeve 3 arranged inside the flame-retardant sleeve 1, and multiple layers of elastic sealing sleeves 4 arranged inside the elastic sealing outer sleeve 3. The joint of the elastic sealing outer sleeve 3 is horizontally arranged, and the joint of the multiple layers of elastic sealing sleeves 4 is vertically arranged. The elastic sealing outer sleeve 3 is composed of two sets of rectangular combined sleeves 301, and the two sets of rectangular combined sleeves 301 have arc-shaped grooves 302 on opposite sides. The multiple layers of elastic sealing sleeves 4 are located in the arc-shaped grooves 302 of the two sets of rectangular combined sleeves 301. The flame-retardant sleeve 1 is composed of two sets of semi-circular sleeves 101, and the two sets of semi-circular sleeves 101 have rectangular grooves 102 on opposite sides. The elastic sealing outer sleeve 3 is located in the rectangular grooves 102 of the two sets of semi-circular sleeves 101. Symmetrical semi-circular holes 103 are opened at the center of both ends of the semi-circular sleeves 101.

[0025] When the cable pipeline is being penetrated, firstly, two sets of semi-circular combined elastic sealing sleeves 5 are fitted onto the cable pipeline, keeping the joint of the two sets of semi-circular combined elastic sealing sleeves 5 in the vertical direction. Then, two sets of rectangular combined sleeves 301 are fitted together, keeping the joint of the two sets of rectangular combined sleeves 301 in the horizontal direction. This allows the joints between the elastic sealing outer sleeve 3 and the multi-layer elastic sealing sleeve 4 to be staggered, effectively preventing external dust and other contaminants from entering through the joints, thus ensuring the sealing effect on the cable pipeline. Then, two sets of semi-circular sleeves 101 are fitted onto the elastic sealing outer sleeve 3, concealing the elastic sealing outer sleeve 3. Finally, the two sets of semi-circular sleeves 101 are fixed by two sets of fixing brackets 2, thus completing the fire-resistant sealing protection effect for the cable pipeline penetration.

[0026] Specifically, the fixing frame 2 includes a first semi-circular ring plate 201, on which several sets of equidistant insertion rods 202 are arranged. One end of each insertion rod 202 is provided with a second semi-circular ring plate 203, and the second semi-circular ring plate 203 has through holes 204 corresponding to the insertion rods 202. A fixing nut 205 is screwed onto the threaded end of the insertion rod 202 through the through hole 204. The semi-circular sleeve 101 has through holes 104 corresponding to the insertion rods 202. The fixing frame 2 is perpendicular to the flame-retardant sleeve 1. The insertion rods 202 on the first semi-circular ring plate 201 are symmetrically passed through the through holes 104 of the two sets of semi-circular sleeves 101. Then, the second semi-circular ring plate 203 is fitted onto the insertion rods 202. Finally, the fixing nut 205 is screwed into the threaded end of the insertion rod 202 through the through hole 204 of the second semi-circular ring plate 203, thereby achieving the combined fixing of the two sets of semi-circular sleeves 101.

[0027] In an embodiment of this utility model, the multi-layer elastic sealing sleeve 4 is composed of two sets of semi-circular combined elastic sealing sleeves 5. The semi-circular combined elastic sealing sleeve 5 is composed of a first semi-circular elastic sealing layer 501, a second semi-circular elastic sealing layer 502, a third semi-circular elastic sealing layer 503, and a fourth semi-circular elastic sealing layer 504 stacked sequentially. The mating edges of the first semi-circular elastic sealing layer 501 and the third semi-circular elastic sealing layer 503 on one set of semi-circular combined elastic sealing sleeves 5 are corrugated mating convex edges 505, and the second semi-circular elastic sealing layer 502 and the fourth semi-circular elastic sealing layer 504 are corrugated. The mating groove edge 506, the mating edge of the first semi-circular elastic sealing layer 501 and the third semi-circular elastic sealing layer 503 on the other set of semi-circular combined elastic sealing sleeves 5 is a corrugated mating groove edge 506, the mating edge of the second semi-circular elastic sealing layer 502 and the fourth semi-circular elastic sealing layer 504 is a corrugated mating convex edge 505, the corrugated mating convex edge 505 and the corrugated mating groove edge 506 on the two sets of semi-circular combined elastic sealing sleeves 5 are staggered; a clamping edge 507 is arranged in the center of one side of the first semi-circular elastic sealing layer 501, and the clamping edge 507 is located between the mating seams of the two sets of rectangular combined sleeves 301;

[0028] When the two sets of rectangular combination sleeves 301 are joined, the clamping edge 507 can be clamped directly, thereby positioning the semi-circular combination elastic sealing sleeve 5, ensuring the stability of the misalignment of the joint between the elastic sealing outer sleeve 3 and the multi-layer elastic sealing sleeve 4, and avoiding the situation where the joint between the two is not sealed properly.

[0029] After the two sets of semi-circular elastic sealing sleeves 5 are joined together, the corrugated butt convex edge 505 and the corrugated butt groove edge 506 will cooperate to form multiple misaligned sealing effects from the inside to the outside, thereby further improving the sealing performance of the cable pipeline.

[0030] Working principle: This embodiment provides a fire-resistant sealing device for cable and pipeline penetration. First, when the cable and pipeline penetrate, two sets of semi-circular combined elastic sealing sleeves 5 are fitted onto the cable and pipeline, keeping the joint of the two sets of semi-circular combined elastic sealing sleeves 5 in the vertical direction. Then, two sets of rectangular combined sleeves 301 are fitted together, keeping the joint of the two sets of rectangular combined sleeves 301 in the horizontal direction. The joint of the elastic sealing outer sleeve 3 and the multi-layer elastic sealing sleeve 4 can be staggered, which can effectively prevent external dust and other pollutants from entering from the joint, thereby ensuring the sealing effect of the cable and pipeline. Then, two sets of semi-circular sleeves 101 are fitted onto the elastic sealing outer sleeve 3 to hide the elastic sealing outer sleeve 3. Then, the two sets of semi-circular sleeves 101 are fixed by two sets of fixing brackets 2, thus completing the fire-resistant sealing protection effect for cable and pipeline penetration.

[0031] Secondly, when the two sets of rectangular combination sleeves 301 are joined, the clamping edge 507 can be clamped directly, thereby positioning the semi-circular combination elastic sealing sleeve 5, ensuring the stability of the misalignment of the joint between the elastic sealing outer sleeve 3 and the multi-layer elastic sealing sleeve 4, and avoiding the situation where the joint between the two is not sealed properly.

[0032] Finally, after the two sets of semi-circular combined elastic sealing sleeves 5 are joined together, the corrugated butt convex edge 505 and the corrugated butt groove edge 506 will cooperate to form multiple misaligned sealing effects from the inside to the outside, thereby further improving the sealing performance of the cable pipeline.

[0033] The embodiments disclosed herein are preferred embodiments, but are not limited thereto. Those skilled in the art can readily grasp the spirit of this utility model based on the above embodiments and make different extensions and variations. However, as long as they do not depart from the spirit of this utility model, they are all within the protection scope of this utility model.

Claims

1. A fire-resistant sealing device for cable and pipeline penetration, characterized in that, It includes a flame-retardant sleeve (1), on which two sets of symmetrical fixing brackets (2) are arranged. An elastic sealing sleeve (3) is arranged inside the flame-retardant sleeve (1), and a multi-layer elastic sealing sleeve (4) is arranged inside the elastic sealing sleeve (3). The joint of the elastic sealing sleeve (3) is horizontal, and the joint of the multi-layer elastic sealing sleeve (4) is vertical. The multi-layer elastic sealing sleeve (4) is composed of two sets of semi-circular combined elastic sealing sleeves (5). The semi-circular combined elastic sealing sleeve (5) is composed of a first semi-circular elastic sealing layer (501), a second semi-circular elastic sealing layer (502), a third semi-circular elastic sealing layer (503), and a fourth semi-circular elastic sealing layer (504) stacked sequentially. The first semi-circular elastic sealing layer (501) and the third semi-circular elastic sealing layer (503) on one set of the semi-circular combined elastic sealing sleeves (5) have corrugated butt convex edges (505) at their joints, and the second semi-circular elastic sealing layer (504) has a corrugated butt convex edge (505) at its joints. 02) and the fourth semicircular elastic sealing layer (504) are corrugated mating groove edges (506), and the mating edges of the first semicircular elastic sealing layer (501) and the third semicircular elastic sealing layer (503) on the other set of semicircular combined elastic sealing sleeves (5) are corrugated mating groove edges (506), and the mating edges of the second semicircular elastic sealing layer (502) and the fourth semicircular elastic sealing layer (504) are corrugated mating convex edges (505). The corrugated mating convex edges (505) and corrugated mating groove edges (506) on the two sets of semicircular combined elastic sealing sleeves (5) are staggered.

2. The fire-resistant sealing device for cable and pipeline penetration according to claim 1, characterized in that, The flame-retardant sleeve (1) is composed of two sets of semi-circular sleeves (101). Rectangular grooves (102) are provided on opposite sides of the two sets of semi-circular sleeves (101). The elastic sealing sleeve (3) is located in the rectangular grooves (102) of the two sets of semi-circular sleeves (101). Symmetrical semi-circular holes (103) are provided at the center of both ends of the semi-circular sleeves (101).

3. The fire-resistant sealing device for cable and pipeline penetration according to claim 2, characterized in that, The fixing frame (2) includes a first semi-circular ring plate (201), on which a plurality of equidistant insertion rods (202) are arranged. A second semi-circular ring plate (203) is arranged at one end of the insertion rod (202), and a through hole (204) corresponding to the insertion rod (202) is opened on the second semi-circular ring plate (203). A fixing nut (205) is screwed onto the threaded end of the insertion rod (202) through the through hole (204).

4. The fire-resistant sealing device for cable and pipeline penetration according to claim 3, characterized in that, The semicircular sleeve (101) has a through hole (104) corresponding to the insertion rod (202), and the fixing bracket (2) is perpendicular to the flame-retardant sleeve (1).

5. A fire-resistant sealing device for cable and pipeline penetration according to claim 1, characterized in that, The elastic sealing sleeve (3) is composed of two sets of rectangular combination sleeves (301), and the two sets of rectangular combination sleeves (301) have arc grooves (302) on opposite sides. The multi-layer elastic sealing sleeve (4) is located in the arc grooves (302) of the two sets of rectangular combination sleeves (301).

6. A fire-resistant sealing device for cable and pipeline penetration according to claim 5, characterized in that, The first semi-circular elastic sealing layer (501) has a clamping edge (507) arranged in the center of one side, and the clamping edge (507) is located between the butt joints of the two sets of rectangular combination sleeves (301).

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