CN219041322U

CN219041322U - Fireproof blocking structure

Info

Publication number: CN219041322U
Application number: CN202222498702.XU
Authority: CN
Inventors: 王永永
Original assignee: Shaanxi Jida Fire Technology Co ltd
Current assignee: Shaanxi Jida Fire Technology Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-05-16
Anticipated expiration: 2032-09-21

Abstract

The utility model provides a fireproof blocking structure, which relates to the technical field of cable fireproof blocking structures and comprises a square sleeve and wire harnesses, wherein a plurality of wire harnesses are inserted into the square sleeve, arc plates are arranged at the edges of the bottoms of two sides of the square sleeve, a limiting cover plate is arranged on the outer wall of the square sleeve through a clamping mechanism, a plurality of groups of expansion bolts are arranged on the surface of the limiting cover plate in an equidistant penetrating manner, the inside of the square sleeve is of a three-section structure, a pair of arc expansion plates are symmetrically arranged at the middle end of the square sleeve, square expansion plates are arranged at two sides of the pair of arc expansion plates, expansion virtual lines are arranged between the square expansion plates, and the expansion virtual lines, the square expansion plates and the arc expansion plates are made of thermal expansion composite materials.

Description

Fireproof blocking structure

Technical Field

The utility model belongs to the technical field of cable fireproof blocking structures, and particularly relates to a fireproof blocking structure.

Background

In the field of construction, a firewall refers to a nonflammable wall body that prevents a fire from spreading to an adjacent area and has a fire resistance limit of not less than three hours, for dividing a fireproof partition, or an important partition member that prevents a fire from spreading between buildings. When a cable is threaded into a firewall, fire blocking techniques are often required as the cable passes through flammable, explosive, high temperature and other fire hazard areas.

Based on the above, the present inventors found that the following problems exist: traditional fire prevention shutoff material and construction basically adopt fire prevention package, fire prevention mud, inorganic putty etc. as fire prevention shutoff material, carry out the filling shutoff to the position of needs, operate follow-up cable position through above-mentioned step and can't adjust, also inconvenient later stage dismantles the maintenance simultaneously.

Accordingly, in view of the above, research and improvement are being conducted to solve the existing structure and the defects, and a fireproof blocking structure is provided, so as to achieve the purpose of having more practical value.

Disclosure of Invention

The utility model discloses a fireproof blocking structure, which is characterized by comprising the following specific technical means:

the utility model provides a fire prevention shutoff structure, includes square sleeve pipe and pencil, square sleeve pipe's inside is inserted and is equipped with a plurality of pencil, and the arc is installed along limit in above-mentioned square sleeve pipe's both sides bottom, square sleeve pipe's outer wall is installed spacing apron through the block mechanism, just spacing apron's surface equidistance runs through and is equipped with a plurality of groups expansion bolts, square sleeve pipe's inside is syllogic structure, a pair of arc expansion plate is installed to square sleeve pipe's middle-end symmetry, a pair of square expansion plate is all installed to the both sides of arc expansion plate, be equipped with the expansion virtual line between the square expansion plate, just expansion virtual line, square expansion plate and arc expansion plate are that the thermal expansion combined material is met and make.

Further, the heat-expandable composite material is formed by materialization of acrylic resin and alumina polymer.

Further, the clamping mechanism comprises a mounting groove formed in the outer wall of the square sleeve, a spring seat is mounted in the mounting groove in a clamping mode, a spring is mounted in the spring seat, a limiting groove is formed in the inner wall of the limiting cover plate, and the limiting cover plate is assembled and mounted through the limiting groove and the clamping mechanism formed in the outer wall of the square sleeve.

Further, the square sleeve and the limit cover plate are made of metal materials, and a galvanized layer is arranged on the surfaces of the square sleeve and the limit cover plate.

Further, through holes are formed in the top end faces of two sides of the square sleeve, bolts are connected with the through holes in a threaded mode, the bottom ends of the bolts are provided with pressing plates, and serrated textures are arranged at the bottom ends of the pressing plates.

Further, the inner wall of the through hole is provided with threads, the outer wall of the bolt is provided with threads, and the threads arranged on the outer wall of the bolt are meshed with the threads arranged on the inner wall of the through hole.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the design of the arc-shaped expansion plates, the square sleeve can be internally penetrated by the wire harnesses with different numbers, and meanwhile, the wire harnesses can be bound between the arc-shaped expansion plates, so that the primary plugging effect is achieved; the square sleeve can be filled and blocked by the filler formed by the polymerization of the acrylic resin and the alumina, so that the gas generated by fire is prevented from being transmitted from the square sleeve, and the fireproof effect is achieved; the limiting grooves are matched with the limiting cover plates, the springs and the spring seats for use, so that the positions of the limiting cover plates can be conveniently adjusted on the square sleeve, the device can be suitable for being assembled in wall holes with different depths, and the assembly efficiency is improved; through the design of the galvanized layer, the oxidation resistance and corrosion resistance of the whole device body can be improved, and the service life of the device body can be prolonged.

Drawings

Fig. 1 is a schematic perspective view of a fire-blocking structure according to the present utility model.

Fig. 2 is a schematic view of the internal structure of a fire-blocking structure according to the present utility model.

Fig. 3 is a schematic diagram of a square sleeve and limiting cover plate installation structure of a fireproof blocking structure.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a square sleeve; 2. a wire harness; 3. a limit cover plate; 4. an expansion bolt; 5. an arc-shaped plate; 6. a square expansion plate; 7. an arc expansion plate; 8. expanding the virtual lines; 9. a spring; 10. a spring seat; 11. a bolt; 12. a compacting plate; 301. and a limit groove.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

as shown in fig. 1 to 3:

the utility model provides a fireproof plugging structure, which comprises a square sleeve 1 and wire harnesses 2, wherein a plurality of wire harnesses 2 are inserted into the square sleeve 1, arc plates 5 are arranged at the edges of the bottoms of two sides of the square sleeve 1, a limiting cover plate 3 is arranged on the outer wall of the square sleeve 1 through a clamping mechanism, a plurality of groups of expansion bolts 4 are equidistantly arranged on the surface of the limiting cover plate 3 in a penetrating manner, the square sleeve 1 is of a three-section structure, a pair of arc expansion plates 7 are symmetrically arranged at the middle end of the square sleeve 1, square expansion plates 6 are arranged at two sides of each arc expansion plate 7, expansion virtual lines 8 are arranged between the square expansion plates 6, the expansion virtual lines 8, the square expansion plates 6 and the arc expansion plates 7 are made of thermal expansion composite materials, and through the design of the arc expansion plates 7, the square sleeve 1 can penetrate through wire harnesses 2 with different numbers, and meanwhile, the wire harnesses 2 can be bound between the arc expansion plates 7 to a primary plugging effect.

The thermal expansion composite material is formed by acrylic resin and alumina polymer, and the square sleeve 1 can be filled and blocked by the filler formed by the acrylic resin and the alumina polymer, so that the gas generated by fire is prevented from being transmitted from the inside of the square sleeve 1, and the fireproof effect is achieved.

Wherein, the block mechanism is including seting up the mounting groove on square sleeve pipe 1 outer wall, spring holder 10 is installed to the block in the mounting groove, install spring 9 in the spring holder 10, the inner wall of spacing apron 3 is equipped with spacing groove 301, just spacing apron 3 assembles the installation through the block mechanism that spacing groove 301 and square sleeve pipe 1 outer wall were equipped with, uses through spacing groove 301 cooperation spacing apron 3, spring 9 and spring holder 10, can make things convenient for spacing apron 3 to adjust the position on square sleeve pipe 1, makes this kind of device can be suitable for the wall hole of assembly at different degree of depth, improves assembly efficiency.

The square sleeve 1 and the limit cover plate 3 are made of metal materials, and the surfaces of the square sleeve 1 and the limit cover plate 3 are provided with a galvanized layer, so that the overall oxidation resistance and corrosion resistance can be improved through the design of the galvanized layer, and the service life of the device body is prolonged.

Wherein, the both sides up end of square sleeve pipe 1 all is equipped with the through-hole, through-hole internal thread connection has bolt 11, pinch plate 12 is installed to the bottom of bolt 11, just the bottom of pinch plate 12 is equipped with the cockscomb structure texture, uses through pinch plate 12 cooperation bolt 11, can carry out effectual fixing with pencil 2 in the square sleeve pipe 1, prevents that pencil 2 from taking place to drop in the square sleeve pipe 1, can improve the mountability.

The inner wall of the through hole is provided with threads, the outer wall of the bolt 11 is provided with threads, and the threads arranged on the outer wall of the bolt 11 are meshed with the threads arranged on the inner wall of the through hole.

Specific use and action of the embodiment:

before the plugging structure is installed, the square sleeve 1 is inserted into a wall hole of a wall surface, the specific position of the limiting cover plate 3 on the square sleeve 1 is adjusted according to the required length, the square sleeve 1 is fixed on the wall surface through the expansion bolt 4 after the position is determined, then the wiring harness 2 passes through the square sleeve 1, the pressing plate 12 is pressed on the wiring harness 2 through the locking bolt 11, the wiring harness 2 is ensured not to be separated from the square sleeve 1, the integral installation can be completed, the wiring harnesses 2 with different numbers can pass through the inside of the square sleeve 1 through the design of the arc expansion plate 7, meanwhile, the wiring harness 2 can be bound between the arc expansion plates 7, the primary plugging effect is achieved, the square sleeve 1 can be filled and plugged through the filler formed by polymerization of acrylic resin and aluminum oxide, the gas generated by fire is prevented from being transmitted from the square sleeve 1, the fireproof effect is achieved, the fireproof plugging structure can expand the square sleeve by itself according to the fire condition, and meanwhile, the plugging effect is convenient to disassemble and the like.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a fire prevention shutoff structure, includes square sleeve pipe (1) and pencil (2), its characterized in that: the utility model discloses a thermal expansion composite material, including Fang Xingtao pipe (1), square expansion board (6) are all installed to the middle-end symmetry of Fang Xingtao pipe (1), arc (5) are installed along the both sides bottom of above-mentioned square sleeve pipe (1), spacing apron (3) are installed through the block mechanism to the outer wall of Fang Xingtao pipe (1), just the surface equidistance of spacing apron (3) is run through and is equipped with a plurality of expansion bolts (4) of group, the inside of Fang Xingtao pipe (1) is syllogic structure, a pair of arc expansion board (7) are installed to the middle-end symmetry of Fang Xingtao pipe (1), a pair of square expansion board (6) are all installed to the both sides of arc expansion board (7), be equipped with inflation virtual line (8) between square expansion board (6), just inflation virtual line (8), square expansion board (6) and arc expansion board (7) are thermal expansion composite material and make.

2. A fire blocking structure according to claim 1, wherein: the clamping mechanism comprises a mounting groove formed in the outer wall of the square sleeve (1), a spring seat (10) is mounted in the mounting groove in a clamping mode, a spring (9) is mounted in the spring seat (10), a limiting groove (301) is formed in the inner wall of the limiting cover plate (3), and the limiting cover plate (3) is assembled and mounted with the clamping mechanism arranged on the outer wall of the square sleeve (1) through the limiting groove (301).

3. A fire blocking structure according to claim 1, wherein: the Fang Xingtao pipe (1) and the limiting cover plate (3) are made of metal materials, and galvanized layers are arranged on the surfaces of the square sleeve (1) and the limiting cover plate (3).

4. A fire blocking structure according to claim 1, wherein: the utility model discloses a Fang Xingtao pipe, including Fang Xingtao pipe (1), screw bolt (11), pressure strip (12) are installed to the bottom of screw bolt (11), just the bottom of pressure strip (12) is equipped with the cockscomb structure texture.

5. A fire blocking structure according to claim 4, wherein: the inner wall of the through hole is provided with threads, the outer wall of the bolt (11) is provided with threads, and the threads arranged on the outer wall of the bolt (11) are meshed with the threads arranged on the inner wall of the through hole.