CN213547067U - Fire-resistant bus duct terminal sealing device - Google Patents
Fire-resistant bus duct terminal sealing device Download PDFInfo
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- CN213547067U CN213547067U CN202022205784.5U CN202022205784U CN213547067U CN 213547067 U CN213547067 U CN 213547067U CN 202022205784 U CN202022205784 U CN 202022205784U CN 213547067 U CN213547067 U CN 213547067U
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- baffle
- bus duct
- fire
- lateral
- side baffle
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Abstract
The utility model discloses a fire-resistant bus duct terminal sealing device; the device comprises an end baffle, a lateral baffle and a refractory filling layer; wherein the end baffle is integrally in a square plate shape; the lateral baffle comprises a first lateral baffle connected to the upper side and the lower side of the end baffle and a second lateral baffle connected to the left side and the right side of the end baffle, the first lateral baffle, the second lateral baffle and the end baffle enclose a hat-shaped structure, the two lateral edges of the first lateral baffle extend outside the end baffle and form flanges, the longitudinal width of the second lateral baffle is smaller than that of the end baffle, a clamping gap is formed between the second lateral baffle and the first lateral baffle, and connecting holes are formed in the first lateral baffle and the second lateral baffle; the refractory filling layer is filled in the cap-shaped structure formed by the end baffle and the lateral baffle and forms the cap-shaped structure again; the utility model discloses be convenient for manufacturing, installation dismantlement convenience, have good fire resistance, can fully protect bus duct terminal.
Description
Technical Field
The utility model belongs to the technical field of the low voltage distribution, concretely relates to fire-resistant bus duct terminal sealing device.
Background
The existing fire-resistant bus duct terminal sealing device is generally assembled by 2 to 4 parts, is complex to assemble and disassemble, has poor sealing performance and fire resistance, and reduces the protection grade of a bus duct system. The bus duct terminal sealing device which is convenient to process, manufacture, install and detach and has good fire resistance is lacked in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fire-resistant bus duct terminal sealing device to the not enough of existence among the prior art, its be convenient for manufacturing, installation dismantlement are convenient, have good fire resistance, can fully protect bus duct terminal.
In order to achieve the above object, the utility model adopts the following technical scheme:
a fire resistant busway termination seal comprising:
an end baffle plate which is in a square plate shape as a whole;
the lateral baffle comprises a first lateral baffle connected to the upper side and the lower side of the end baffle and a second lateral baffle connected to the left side and the right side of the end baffle, the first lateral baffle, the second lateral baffle and the end baffle enclose a cap-shaped structure, the two lateral edges of the first lateral baffle extend outside the end baffle and form flanges, the longitudinal width of the second lateral baffle is smaller than that of the end baffle, a clamping gap is formed between the second lateral baffle and the first lateral baffle, and connecting holes are formed in the first lateral baffle and the second lateral baffle;
and the refractory filling layer is filled in the cap-shaped structure formed by the end baffle and the side baffle and forms the cap-shaped structure again.
Furthermore, the material of the refractory filling layer is a ceramic fiber blanket.
Further, the thickness of the refractory filling layer is not less than 30 mm.
Furthermore, the connecting hole arranged on the second side baffle is in a kidney-shaped shape.
Further, after the first side baffle is connected with the bus duct through the connecting hole, the distance between the end part of the conductor in the bus duct and the end baffle is not less than 30 mm.
Furthermore, the outer surface of a hat-shaped structure enclosed by the end baffles and the lateral baffles is provided with an expansion type fireproof coating.
The utility model has the advantages that:
the utility model is based on the bus duct terminal structure in the structural design, is provided with an adaptive cap-shaped structure consisting of an end baffle and a side baffle, and is connected and fixed through screws; the utility model discloses it is convenient at the easy operation of installation dismantlement to can form effectual outer protection to the bus duct terminal, structurally easily process, can effectively increase refractiveness through addding fire-resistant filling layer.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the structure of FIG. 1;
FIG. 3 is a schematic top view of the structure of FIG. 1;
fig. 4 is a schematic structural view of the assembled bus duct of the present invention;
FIG. 5 is a schematic sectional view taken along line A-A in FIG. 4;
fig. 6 is a schematic structural diagram of an end of a conventional bus duct;
fig. 7 is a schematic top view of the structure of fig. 6.
Wherein: 1-end baffles; 2-a first side baffle; 3-a second side baffle; 4-connecting holes; 5-refractory filling layer; 6-bus duct; 7-side plate; 8-conductor.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings:
as shown in fig. 1 to 7, a refractory busway terminal sealing device comprises an end baffle 1, a lateral baffle and a refractory filling layer 5; the end baffle 1 and the side baffle can be made of Q235-AF cold-rolled steel sheets, and the end baffle 1 and the side baffle can be formed by punching, shearing, bending and forming through the Q235-AF cold-rolled steel sheets to form an integrated structure.
Wherein:
the end baffle 1 is integrally in a square plate shape; after the terminal sealing device is connected with the bus duct 6, the end baffle plate 1 corresponds to the end of the terminal of the bus duct 6.
The side baffle comprises a first side baffle 2 connected to the upper side and the lower side of the end baffle 1 and a second side baffle 3 connected to the left side and the right side of the end baffle 1, the first side baffle 2, the second side baffle 3 and the end baffle 1 form a cap-shaped structure, and the end of the bus duct 6 is convenient to sleeve after the cap-shaped structure is formed; the transverse two side edges of the first side baffle 2 extend to the outer side of the end baffle 1 and form flanges, the flanges of the two first side baffles 2 are oppositely arranged, and when the first side baffle 2 is matched with the bus duct 6, the flanges of the first side baffles 2 can clamp and limit the shell of the bus duct; the longitudinal width of the second side baffle 3 is smaller than that of the end baffle 1, and a clamping gap is formed between the second side baffle and the first side baffle 2; the shell of the conventional bus duct 6 is provided with a side plate 7, the side plate 7 extends outside the conductor 8, the side plate 7 is parallel to the conductor 8 in structure, and the upper edge and the lower edge of the side plate 7 are provided with flanging structures extending outside, so that the clamping gap formed between the second side baffle 3 and the first side baffle 2 can clamp and limit the flanging of the side plate 7; the first side baffle 2 and the second side baffle 3 are both provided with connecting holes 4, and the first side baffle 2 and the second side baffle 3 are stably and firmly fixed on the bus duct 6 through the matching of screws and threaded holes which are pre-arranged on the bus duct 6; in order to increase the convenience of installation operation, the connecting hole 4 arranged on the second side baffle 3 is waist-shaped, so that after the first side baffle 2 and the bus duct 6 are connected and fixed in the vertical direction, the waist-shaped connecting hole 4 facilitates the alignment and connection of screws on the second side baffle 3; after the first side baffle 2 is connected with the bus duct 6 through the connecting hole 4, the distance from the end part of the conductor 8 in the bus duct 6 to the end baffle 1 is not less than 30mm, so that the ground safety distance of the conductor 8 is ensured.
The refractory filling layer 5 is filled in the cap-shaped structure formed by the end baffle 1 and the side baffles and forms the cap-shaped structure again, so that the refractory filling layer 5 can form a surrounding shape for the conductor 6 and enhance the fire resistance; the material of the refractory filling layer 5 can be a ceramic fiber blanket; in practical application, the outer surface of the hat-shaped structure formed by the end baffles 1 and the side baffles can be coated with an intumescent fire-retardant coating so as to further enhance the fire resistance.
When the utility model is used, a part of ceramic fiber blanket can be firstly cut and filled in the gap between the conductors 8, and then the cap-shaped structure formed by the end baffle 1 and the lateral baffle is butted at the end part of the bus duct 8; at the moment, the first side baffle 2 clamps a shell part in the vertical direction of the bus duct 8, a flanging part of a side plate 7 of the bus duct 8 is inserted into a clamping gap formed by the second side baffle 3 and the first side baffle 2, meanwhile, the second side baffle 3 also clamps the side plate 7, then the first side baffle 2 and the second side baffle 3 are connected with the bus duct through screws, all joints are sealed and fixed by using fire-resistant sealant, and finally, an expansion type fireproof coating is coated.
Claims (6)
1. A refractory busway termination seal, comprising:
an end baffle (1) which is a square plate as a whole;
the side baffle comprises a first side baffle (2) connected to the upper side and the lower side of the end baffle (1) and a second side baffle (3) connected to the left side and the right side of the end baffle (1), the first side baffle (2), the second side baffle (3) and the end baffle (1) enclose a cap-shaped structure, the two transverse side edges of the first side baffle (2) extend to the outer side of the end baffle (1) and form flanges, the longitudinal width of the second side baffle (3) is smaller than that of the end baffle (1), a clamping gap is formed between the second side baffle and the first side baffle (2), and connecting holes (4) are formed in the first side baffle (2) and the second side baffle (3);
and a refractory filling layer (5) which is filled in the cap-shaped structure formed by the end baffle (1) and the side baffle and forms the cap-shaped structure again.
2. The fire-resistant bus duct terminal sealing device as claimed in claim 1, wherein the material of the fire-resistant filling layer (5) is ceramic fiber blanket.
3. A fire resistant busway termination seal as claimed in claim 2, wherein said fire resistant infill layer (5) is not less than 30mm thick.
4. The fire-resistant bus duct terminal sealing device as claimed in claim 1, wherein the connecting hole (4) formed on the second side baffle (3) is waist-round.
5. The fire-resistant bus duct terminal sealing device as claimed in claim 1, wherein after the first side baffle (2) is connected with the bus duct through the connecting hole (4), the distance from the end part of the conductor in the bus duct to the end baffle (1) is not less than 30 mm.
6. A fire-resistant bus duct terminal sealing device as claimed in claim 1, wherein the external surface of the hat structure enclosed by the end baffle (1) and the lateral baffles is provided with an intumescent fire-retardant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022205784.5U CN213547067U (en) | 2020-09-30 | 2020-09-30 | Fire-resistant bus duct terminal sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022205784.5U CN213547067U (en) | 2020-09-30 | 2020-09-30 | Fire-resistant bus duct terminal sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213547067U true CN213547067U (en) | 2021-06-25 |
Family
ID=76495655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022205784.5U Active CN213547067U (en) | 2020-09-30 | 2020-09-30 | Fire-resistant bus duct terminal sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213547067U (en) |
-
2020
- 2020-09-30 CN CN202022205784.5U patent/CN213547067U/en active Active
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