CN211063285U

CN211063285U - Fireproof bus duct

Info

Publication number: CN211063285U
Application number: CN202020043616.8U
Authority: CN
Inventors: 毛从见; 谢周成; 张志谋; 胡波; 于常海; 胡海波; 张剑; 刘映强; 陈辉
Original assignee: Shenzhen Znda Electric Appliance Co ltd
Current assignee: Shenzhen Znda Electric Appliance Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-07-21
Anticipated expiration: 2030-01-09

Abstract

The utility model discloses a fire prevention bus duct, including last casing, lower casing, stop gear and coupling mechanism, it is the U type to go up casing and lower casing cross-section, it is equipped with multiunit stop gear with the inside of casing down to go up the casing, stop gear is a word and arranges the array distribution and has the multiunit, goes up the casing and installs coupling mechanism on the outer wall of casing down, coupling mechanism includes fixed block and cooperation piece at least, fixed block fixed connection is the lateral wall at last casing, cooperation piece fixed connection is the outside of casing under, fixed block and cooperation position parallel and level, and the fixed block sets up in the top of cooperation piece, the bottom face of fixed block still vertical integrative being constructed has the connecting rod, the bottom face of connecting rod stretches into to the inside of cooperation piece. This fire prevention bus duct, rational in infrastructure, the dismouting is convenient, effectively promotes maintenance efficiency, but wide use.

Description

Fireproof bus duct

Technical Field

The utility model belongs to the technical field of the bus duct, concretely relates to fire prevention bus duct.

Background

The bus adopts a copper bar or an aluminum bar, the current density is high, the resistance is low, the skin effect is low, and the capacity reduction is not needed. The small voltage drop means small energy loss, and finally, investment of users is saved. For the cable, the cable core is a plurality of strands of thin copper wires, the area of the root of the thin copper wires is larger than that of a bus with the same current level, the skin effect is serious, the rated value of the current is reduced, the voltage drop is increased, the heating is easy, the energy loss of the wire is large, the aging is easy, and therefore the bus is favored by people more and more.

At present, current fire prevention bus duct dismouting in use and it is not convenient, overhaul comparatively taking trouble to inside circuit, overhaul the inefficiency, need further improvement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire prevention bus duct 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: a fireproof bus duct comprises an upper shell, a lower shell, limiting mechanisms and connecting mechanisms, wherein the sections of the upper shell and the lower shell are U-shaped, a plurality of groups of limiting mechanisms are arranged inside the upper shell and the lower shell, the limiting mechanisms are distributed in a linear array, and the connecting mechanisms are arranged on the outer walls of the upper shell and the lower shell;

the connecting mechanism at least comprises a fixed block and a matching block, the fixed block is fixedly connected to the outer side wall of the upper shell, the matching block is fixedly connected to the outer side of the lower shell, the fixed block and the matching block are flush in position, the fixed block is arranged above the matching block, a connecting rod is vertically and integrally constructed at the bottom end face of the fixed block, the bottom end face of the connecting rod extends into the matching block, the matching block is hollow, a through hole for the connecting block to extend into is formed in the upper surface of the matching block, an inserting rod for inserting the connecting rod is horizontally arranged in the matching block, and the inserting rod is elastically arranged in the matching block;

the limiting mechanism at least comprises a plug board and a bottom board clamped with the plug board, the bottom board is vertically arranged along the bottom end face of the lower shell, multiple groups are distributed in an array mode, multiple groups are vertically welded on the top end of the inner wall of the upper shell through the plug board, and the plug board is parallel and level to the bottom board.

Preferably, a rotating shaft is further arranged between the inserting rod and the rotating rod, one end of the rotating shaft is fixedly connected with the rotating rod, and the other end of the rotating shaft is rotatably connected with the inserting rod.

Preferably, a moving groove is formed in the bottom plate, the inserting plate extends into the moving groove along the upper surface of the bottom plate, and the inserting plate and the moving groove are in sliding connection.

Preferably, two groups of connecting blocks are symmetrically distributed on the inner wall of the matching block and on the side far away from the through hole, the inserting rod longitudinally penetrates through the connecting blocks, and the connecting blocks are symmetrically distributed on two sides of the inserting rod.

Preferably, the inserted bar is further rotatably connected with the rotating rod on the wall of the end, far away from the through hole, of the inserted bar, an external thread is carved on the middle part of the wall of the rotating rod and is in threaded connection with the outer wall of the matching block, and a threaded hole for the rotating rod to pass through is formed in the outer wall of the matching block.

Preferably, one end of the inserted link close to the rotating link is further vertically integrated with a protruding moving block, the moving block extends into a sliding groove formed in the connecting block, a spring is horizontally arranged in the sliding groove, and two ends of the spring are fixedly connected with the moving block and the groove wall of the sliding groove.

The utility model discloses a technological effect and advantage: this fire prevention bus duct, but through coupling mechanism's setting quick assembly disassembly upper housing and lower casing, the simple operation effectively promotes the convenience to bus duct internal overhaul, makes the inside aluminium of bus duct or copper bar can not receive the harm because of the dismouting through stop gear's setting, still keeps original installation state, and the practicality is strong, whole simple operation, and convenient to use, this fire prevention bus duct, rational in infrastructure, the dismouting is convenient, effectively promotes maintenance efficiency, can extensively use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a limiting mechanism of the present invention;

fig. 3 is a schematic view of the connection mechanism of the present invention.

In the figure: the device comprises an upper shell 1, a limiting mechanism 2, a connecting mechanism 3, a lower shell 4, jacks 5, through holes 6, fixed blocks 7, connecting rods 8, matching blocks 9, inserted rods 10, connecting blocks 11, sliding grooves 12, springs 13, moving blocks 14, rotating shafts 15, rotating rods 16, inserting plates 17, a bottom plate 18 and moving grooves 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a fireproof bus duct as shown in figures 1-3, which comprises an upper shell 1, a lower shell 4, a limiting mechanism 2 and a connecting mechanism 3, wherein the sections of the upper shell 1 and the lower shell 4 are both U-shaped, a plurality of groups of limiting mechanisms 2 are arranged inside the upper shell 1 and the lower shell 4, the limiting mechanisms 2 are arranged in a straight line and distributed with a plurality of groups, and the outer walls of the upper shell 1 and the lower shell 4 are provided with the connecting mechanism 3;

the connecting mechanism 3 at least comprises a fixed block 7 and a matching block 9, the fixed block 7 is fixedly connected to the outer side wall of the upper shell 1, the matching block 9 is fixedly connected to the outer side of the lower shell 4, the fixed block 7 is flush with the matching block 9, the fixed block 7 is arranged above the matching block 9, a connecting rod 8 is vertically and integrally constructed on the bottom end surface of the fixed block 7, the bottom end surface of the connecting rod 8 extends into the matching block 9, the matching block 9 is hollow, a through hole 6 for the connecting block 11 to extend into is formed in the upper surface of the matching block 9, an inserting rod 10 for inserting the connecting rod 8 is horizontally arranged in the matching block 9, and the inserting rod 10 is elastically arranged in the matching block 9;

stop gear 2 includes picture peg 17 at least to and the bottom plate 18 with picture peg 17 joint, the bottom plate 18 has the multiunit along the vertical setting of casing 4's bottom face down, array distribution, picture peg 17 has the multiunit at the vertical welding in inner wall top of last casing 1,

picture peg

17 and 18 parallel and level of bottom plate can be fast dismouting go up casing 1 and casing 4 down through coupling mechanism 3's setting, the simple operation.

Specifically, a rotating shaft 15 is further arranged between the inserting rod 10 and the rotating rod 16, one end of the rotating shaft 15 is fixedly connected with the rotating rod 16, the other end of the rotating shaft is rotatably connected with the inserting rod 10, and the inserting rod 10 is inserted in the inserting hole 5.

Specifically, a moving groove 19 is formed in the bottom plate 18, the inserting plate 17 extends into the moving groove 19 along the upper surface of the bottom plate 18, the inserting plate 17 and the bottom plate 18 are connected in a sliding mode, the inserting plate 17 is inserted into the bottom plate 18, and the upper shell 1 is clamped above the lower shell 4.

Specifically, two groups of connecting blocks 11 are symmetrically distributed on the inner wall of the matching block 9 and on the side far away from the through hole 6, the inserting rod 10 longitudinally penetrates through the connecting blocks 11, and the connecting blocks 11 are symmetrically distributed on two sides of the inserting rod 10.

Specifically, the inserted bar 10 is kept away from on the one end pole wall of through-hole 6 still to be connected with bull stick 16 rotation, the pole wall middle part of bull stick 16 is carved with the external screw thread, with the outer wall threaded connection of cooperation piece 9, set up the screw hole that supplies bull stick 16 to pass on the outer wall of cooperation piece 9, the bull stick 16 rotates when the external screw thread at bull stick 16 middle part contacts with the screw hole on the cooperation piece 9, 16 threaded fixing of bull stick are at threaded hole inside.

Specifically, one end of the inserted link 10 close to the rotating link 16 is further vertically integrated to form a protruding moving block 14, the moving block 14 extends into a sliding groove 12 formed in the connecting block 11, a spring 13 is horizontally arranged in the sliding groove 12, two ends of the spring 13 are fixedly connected with the moving block 14 and a groove wall of the sliding groove 12, and the moving block 14 moves along the inside of the sliding groove 12.

Specifically, when the fireproof bus duct is used, a copper bar or an aluminum bar is installed between connecting mechanisms 3, an upper shell 1 and a lower shell 4 are fixedly connected to form a whole, when the copper bar or the aluminum bar needs to be overhauled, a rotating rod 16 is pulled at first, one end of the rotating rod 16 leaks out of a threaded hole to be conveniently pulled, the rotating rod 16 drives an inserting rod 10 to move, the inserting rod 10 leaves the inside of a jack 5 after being pulled, when the inserting rod 10 moves, a moving block 14 is driven to move synchronously, the moving block 14 moves along the inside of a sliding groove 12, a spring 13 stretches, when an external thread in the middle of the rotating rod 16 is in contact with a threaded hole in a matching block 9, the rotating rod 16 is rotated, the rotating rod 16 is fixed inside the threaded hole, then the inserting rod 10 is fixed after leaving the jack 5, after the upper shell 1 and the connecting mechanisms 3 on the lower shell 4 are completely removed, the upper shell 1 and the lower shell 4 are removed, an inserting plate, can not influence the position of copper bar or aluminium row, overhaul, the simple operation, promote greatly and overhaul conveniently, overhaul the completion back when the normal position is returned in needs installation, peg graft 17 and bottom plate 18, go up 1 joint of casing 4 top down, connecting rod 8 passes through-hole 6 and stretches into to the inside of cooperation piece 9 this moment, reverse rotation bull stick 16 this moment, when the external screw thread at bull stick 16 middle part separates with the screw hole, elasticity through spring 13 pulls back

movable block

14, 16 smooth pole wall parts of bull stick just slide along the screw hole, peg graft the inside of getting back to jack 5 again in peg graft, it is fixed to accomplish, go up the fire prevention coating among the one deck prior art of coating with the outside of casing 4 down of casing 1, this fire prevention bus duct, and is rational in infrastructure, the dismouting is convenient, effectively promote maintenance efficiency, can be widely used.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a fire prevention bus duct, includes casing (1), lower casing (4), stop gear (2) and coupling mechanism (3), its characterized in that: the cross sections of the upper shell (1) and the lower shell (4) are U-shaped, a plurality of groups of limiting mechanisms (2) are arranged inside the upper shell (1) and the lower shell (4), the limiting mechanisms (2) are distributed in a linear array, and a plurality of groups are arranged on the outer walls of the upper shell (1) and the lower shell (4) respectively;

the connecting mechanism (3) at least comprises a fixed block (7) and a matching block (9), the fixed block (7) is fixedly connected with the outer side wall of the upper shell (1), the matching block (9) is fixedly connected with the outer part of the lower shell (4), the fixed block (7) is flush with the matching block (9), the fixed block (7) is arranged above the matching block (9), the bottom end surface of the fixed block (7) is also vertically integrated with a connecting rod (8), the bottom end surface of the connecting rod (8) extends into the matching block (9), the matching block (9) is hollow, the upper surface is provided with a through hole (6) for the connecting block (11) to extend into, an inserting rod (10) inserted with the connecting rod (8) is horizontally arranged in the matching block (9), and the inserting rod (10) is elastically arranged in the matching block (9);

stop gear (2) include picture peg (17) at least to and bottom plate (18) with picture peg (17) joint, bottom plate (18) have the multiunit along the vertical setting of the bottom face of lower casing (4), array distribution, picture peg (17) have the multiunit at the vertical welding in inner wall top of last casing (1), picture peg (17) and bottom plate (18) parallel and level.

2. A fire-proof bus duct of claim 1, wherein: still be provided with pivot (15) between inserted bar (10) and bull stick (16), pivot (15) one end fixed connection bull stick (16), other end rotate and connect inserted bar (10).

3. A fire-proof bus duct of claim 1, wherein: a moving groove (19) is formed in the bottom plate (18), and the inserting plate (17) extends into the moving groove (19) along the upper surface of the bottom plate (18) and is connected with the moving groove in a sliding mode.

4. A fire-proof bus duct of claim 1, wherein: and two groups of connecting blocks (11) are symmetrically distributed on one side, far away from the through hole (6), of the inner wall of the matching block (9), the inserting rods (10) longitudinally penetrate through the connecting blocks (11), and the connecting blocks (11) are symmetrically distributed on two sides of the inserting rods (10).

5. A fire-proof bus duct of claim 1, wherein: still rotate with bull stick (16) on the one end pole wall of through-hole (6) is kept away from in inserted bar (10), the pole wall middle part of bull stick (16) is carved with the external screw thread, with the outer wall threaded connection of cooperation piece (9), set up the screw hole that supplies bull stick (16) to pass on the outer wall of cooperation piece (9).

6. A fire-proof bus duct of claim 1, wherein: one end of the inserted link (10) close to the rotating link (16) is also vertically integrated with a protruding moving block (14), the moving block (14) extends into a sliding groove (12) formed in the connecting block (11), a spring (13) is horizontally arranged in the sliding groove (12), and two ends of the spring (13) are fixedly connected with the moving block (14) and the groove wall of the sliding groove (12).