CN210129730U - Fire-proof cable pre-branching shell - Google Patents
Fire-proof cable pre-branching shell Download PDFInfo
- Publication number
- CN210129730U CN210129730U CN201921049393.XU CN201921049393U CN210129730U CN 210129730 U CN210129730 U CN 210129730U CN 201921049393 U CN201921049393 U CN 201921049393U CN 210129730 U CN210129730 U CN 210129730U
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- China
- Prior art keywords
- box body
- line pressing
- grooves
- cable
- pressing block
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- Expired - Fee Related
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Abstract
The utility model relates to the field of power equipment, in particular to a fireproof cable pre-branch shell, which comprises an upper box body, a lower box body, a plurality of clamps and a plurality of first screws, wherein the main body of the lower box body is roughly isosceles trapezoid, the top of the lower box body is open, the left end and the right end inside the lower box body are provided with lower wire pressing blocks, the top surface of each lower wire pressing block is provided with a plurality of lower wire pressing grooves with semicircular cross sections, the openings of the lower wire pressing grooves penetrate through the left end surface and the right end surface of the lower box body, the top surface of each lower wire pressing block is downwards provided with a plurality of threaded holes, the clamps are fixedly connected with threaded holes far away from the side of the end openings of the lower box body through the first screws; go up the box body main part and roughly be isosceles trapezoid, its top is opened, goes up the inside both ends of controlling of box body and is provided with the line ball piece, the length of going up the line ball piece is less than line ball piece down, it is provided with a plurality of cross sections and is the semicircular last line ball groove to go up line ball piece top surface.
Description
Technical Field
The utility model relates to a power equipment field, in particular to fireproof cable divides a shell in advance.
Background
The fireproof cable pre-branch box shell is mainly suitable for implementing radial wiring in a multi-core small-section cable control circuit, cables with the same specification can be connected, and cables with different specifications and different types can be switched through branch boxes. The fire-proof cable pre-branch box shell solves the branch problem of the fire-proof cable at any place and any place, and simultaneously solves the special fire-retardant and fire-resistant requirement of the branch of the fire-proof cable. The cable is easy to move when the existing fireproof cable pre-branching shell clamps the cable, and the safety and convenience are required to be improved when the cable is laid, so that the fireproof cable pre-branching shell which is reasonable in structure and convenient to install is urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a fireproof cable pre-branch shell which is reasonable in structure and convenient to install.
In order to achieve the above object, the utility model adopts the following technical scheme: the fireproof cable pre-branch shell comprises an upper box body, a lower box body, a plurality of clamps and a plurality of first screws, wherein the main body of the lower box body is roughly in an isosceles trapezoid shape, the top of the lower box body is open, lower line pressing blocks are arranged at the left and right ends in the lower box body, the top surface of each lower line pressing block is provided with a plurality of lower line pressing grooves with semicircular cross sections, the openings of the lower line pressing grooves penetrate through the left and right end surfaces of the lower box body, the top surface of each lower line pressing block is downwards provided with a plurality of threaded holes, the clamps are fixedly connected with the threaded holes far away from the end opening side of the lower box body through the first screws, and the clamps are matched with;
the upper box body is approximately isosceles trapezoid, the top of the upper box body is open, upper line pressing blocks are arranged at the left end and the right end inside the upper box body, the length of each upper line pressing block is smaller than that of each lower line pressing block, a plurality of upper line pressing grooves with semicircular cross sections are arranged on the top surface of each upper line pressing block, openings of the upper line pressing grooves penetrate through the left end surface and the right end surface of the upper box body, and a plurality of threaded holes are formed in the top surface of each upper line pressing block;
the interior cavity that holds the cable that forms of going up box body and lower box body combination back, form the tubular structure of centre gripping cable after wire casing and last wire casing cooperation down.
Preferably, the lower line pressing grooves comprise 2 first main line pressing grooves and 2 first voltage dividing grooves, the upper line pressing grooves comprise 2 second main line pressing grooves and 2 second voltage dividing grooves, the first main line pressing grooves and the second main line pressing grooves are assembled to form a tubular structure for clamping a main cable, and the first voltage dividing grooves and the second voltage dividing grooves are assembled to form a tubular structure for clamping a branch cable.
Preferably, the fireproof cable pre-branch shell further comprises second screws, the upper box body and the lower box body are fixedly connected through the second screws, the number of the second screws is 4, and the second screws are distributed at 4 corners of the bottom surface of the upper box body.
Preferably, the clamp includes that the cross-section is semicircular snap ring and is located the installation ear of snap ring both ends port department, snap ring and installation ear formula structure as an organic whole.
Preferably, the number of the threaded holes in the top surface of the lower pressing block is 9, and the number of the threaded holes in the top surface of the upper pressing block is 4.
Preferably, the number of the clamping bands is 3, and the number of the first screws used for fixing the clamping bands is 5.
Use the utility model discloses a beneficial effect is: the utility model discloses having optimized the structure of branch shell in advance of fireproof cable, through setting up longer lower line ball piece, the cooperation is shorter goes up the line ball piece and sets up the clamp, makes the cable be separated time in the branch shell in advance and the operation of being more convenient for when fixed, has solved the not convenient and swift condition of assembly that cable cluster moved when the branch shell is in advance divided in the assembly simultaneously, has improved the potential safety hazard of kneck in the fireproof cable shell of branching in advance.
Drawings
Fig. 1 is a cross-sectional view of a pre-branching housing for a fireproof cable according to the present invention;
FIG. 2 is a side view of a pre-branching housing for a fireproof cable according to the present invention;
FIG. 3 is a top view of the lower case of the present invention;
fig. 4 is a top view of the upper case of the present invention;
fig. 5 is a schematic structural view of the clamp of the present invention.
The reference numerals include:
100-lower box body, 110-lower pressing block, 111-first main pressing line groove, 112-first dividing line groove, 200-upper box body, 210-upper pressing block, 211-second main pressing line groove, 212-second dividing line groove, 300-clamp, 310-clamp ring, 320-mounting lug, 400-first screw and 500-second screw.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, the fireproof cable pre-branching housing comprises an upper box body 200, a lower box body 100, a plurality of clamps 300 and a plurality of first screws 400, wherein the main body of the lower box body 100 is substantially isosceles trapezoid, the top of the lower box body is open, the left end and the right end inside the lower box body 100 are provided with lower line pressing blocks 110, the top surface of each lower line pressing block 110 is provided with a plurality of lower line pressing grooves with semicircular cross sections, the openings of the lower line pressing grooves penetrate through the left end surface and the right end surface of the lower box body 100, the top surface of each lower line pressing block 110 is downwards provided with a plurality of threaded holes, the clamps 300 are fixedly connected with the threaded holes far away from the end surfaces of the lower box body 100 through the first screws 400, and;
the main body of the upper box body 200 is roughly in an isosceles trapezoid shape, the top of the main body is open, the left end and the right end inside the upper box body 200 are provided with upper line pressing blocks 210, the length of each upper line pressing block 210 is smaller than that of each lower line pressing block 110, the top surface of each upper line pressing block 210 is provided with a plurality of upper line pressing grooves with semicircular cross sections, the openings of the upper line pressing grooves penetrate through the left end surface and the right end surface of the upper box body 200, and the top surface of each upper;
after the upper box body 200 and the lower box body 100 are combined, a cavity for accommodating a cable is formed inside, and the lower wire pressing groove and the upper wire pressing groove are matched to form a tubular structure for clamping the cable. Lower box body 100 and last box body 200 main part roughly are isosceles trapezoid, and right trapezoid's setting among the prior art is compared in the setting of this kind of box body structure, and the box body of inside symmetry makes the cable overall arrangement more reasonable when laying and separated time, and the manual operation of being convenient for, when the fireproof cable divides the shell in advance to receive external force striking or rock, places the atress of the cable separated time kneck inside little, factor of safety height simultaneously.
The lower line pressing grooves comprise 2 first main line pressing grooves 111 and 2 first voltage dividing grooves 112, the upper line pressing grooves comprise 2 second main line pressing grooves 211 and 2 second voltage dividing grooves 212, the first main line pressing grooves 111 and the second main line pressing grooves 211 are assembled to form a main cable clamping tubular structure, the left end and the right end of the fireproof cable pre-branch shell are respectively provided with a main cable clamping tubular structure, the first voltage dividing grooves 112 and the second voltage dividing grooves 212 are assembled to form a branch cable clamping tubular structure, the branch cable clamping tubular structure is located at the wider end of the fireproof cable pre-branch shell, and the branch cable clamping tubular structure and the main cable clamping tubular structure at the port are arranged at intervals.
The fireproof cable pre-branch shell further comprises second screws 500, the upper box body 200 and the lower box body 100 are fixedly connected through the second screws 500, the number of the second screws 500 is 4, and the second screws 500 are distributed at 4 corners of the bottom surface of the upper box body 200.
The clamp 300 comprises a clamp ring 310 with a semicircular section and mounting lugs 320 positioned at two ports of the clamp ring 310, the clamp ring 310 and the mounting lugs 320 are of an integrated structure, the clamp ring 310 matched with the clamp ring 310 in radius is selected according to the actual width of a cable to be fixed, and the width of the mounting lugs 320 is matched with the width of the upper surface of the lower pressing block 110 positioned at two sides of the lower pressing line groove.
The number of the screw holes on the top surface of the lower press block 110 is 9, and the number of the screw holes on the top surface of the upper press block 210 is 4.
The number of the clips 300 is 3, the number of the first screws 400 used for fixing the clips 300 is 5, the top surface of the lower pressing block 110 is located at a position between the first main pressing line groove 111 and the first voltage dividing line groove 112, and the mounting ears 320 where the two clips 300 are located are overlapped and fixed by a common first screw 400.
During the use, at first put into first main pressure wire casing 111 and first voltage dividing wire casing 112 respectively with the trunk and the branch part of cable, place 3 clamps 300 respectively on first main pressure wire casing 111 and first voltage dividing wire casing 112, align the mounting hole on the installation ear 320 and press line piece 110 down and be close to the screw hole in box body middle part, screw in the screw hole of this department with first screw 400 and make clamp 300 fix on the top surface of pressing line piece 210 down, clamp 300 respectively with first main pressure wire casing 111, first voltage dividing wire casing 112 cooperation, centre gripping main cable and branch cable make it fix under in pressing piece 110. After the cable is primarily fixed, the upper box body 200 is butted with the lower box body 100, and because the length of the upper pressing block 210 is smaller than that of the lower pressing block 110, it can be understood that after the upper box body 200 is buckled with the lower box body 100, the hoop 300 is arranged in the cavity of the upper box body 200, and the upper pressing block 210 is arranged at an interval with the hoop 300 after assembly. The second screw 500 is screwed into the threaded hole at the corner of the upper box body 200, the threaded hole of the upper box body 200 is aligned with the threaded hole of the lower box body 100, the upper box body 200 is fixedly connected with the lower box body 100 through the second screw 500, and the upper pressing block 210 and the lower pressing block 110 are matched to clamp the cable.
The above description is only a preferred embodiment of the present invention, and many changes can be made in the detailed description and the application scope according to the idea of the present invention for those skilled in the art, which all belong to the protection scope of the present invention as long as the changes do not depart from the concept of the present invention.
Claims (6)
1. Fireproof cable pre-branch shell, its characterized in that: the cable fixing device comprises an upper box body, a lower box body, a plurality of clamps and a plurality of first screws, wherein the main body of the lower box body is roughly in an isosceles trapezoid shape, the top of the lower box body is open, lower line pressing blocks are arranged at the left end and the right end inside the lower box body, a plurality of lower line pressing grooves with semicircular cross sections are arranged on the top surface of each lower line pressing block, the openings of the lower line pressing grooves penetrate through the left end surface and the right end surface of the lower box body, a plurality of threaded holes are formed in the top surface of each lower line pressing block downwards, the clamps are fixedly connected with the threaded holes far away from the end opening side of the lower box body through the;
the upper box body is approximately isosceles trapezoid, the top of the upper box body is open, upper line pressing blocks are arranged at the left end and the right end inside the upper box body, the length of each upper line pressing block is smaller than that of each lower line pressing block, a plurality of upper line pressing grooves with semicircular cross sections are arranged on the top surface of each upper line pressing block, openings of the upper line pressing grooves penetrate through the left end surface and the right end surface of the upper box body, and a plurality of threaded holes are formed in the top surface of each upper line pressing block;
the interior cavity that holds the cable that forms of going up box body and lower box body combination back, form the tubular structure of centre gripping cable after wire casing and last wire casing cooperation down.
2. The flameproof cable pre-branch housing of claim 1, wherein: the lower wire pressing groove comprises 2 first main wire pressing grooves and 2 first voltage dividing grooves, the upper wire pressing groove comprises 2 second main wire pressing grooves and 2 second voltage dividing grooves, the first main wire pressing grooves and the second main wire pressing grooves are assembled to form a tubular structure for clamping a main cable, and the first voltage dividing grooves and the second voltage dividing grooves are assembled to form a tubular structure for clamping branch cables.
3. The flameproof cable pre-branch housing of claim 1, wherein: the fireproof cable pre-branch shell further comprises second screws, the upper box body and the lower box body are connected and fixed through the second screws, the number of the second screws is 4, and the second screws are distributed at 4 corners of the bottom surface of the upper box body.
4. The flameproof cable pre-branch housing of claim 1, wherein: the clamp includes that the cross-section is semicircular snap ring and is located the installation ear of snap ring both ends port department, snap ring and installation ear formula structure as an organic whole.
5. The flameproof cable pre-branch housing of claim 1, wherein: the number of the threaded holes in the top surface of the lower pressing block is 9, and the number of the threaded holes in the top surface of the upper pressing block is 4.
6. The flameproof cable pre-branch housing of claim 1, wherein: the quantity of clamp is 3, and the used first screw number of fixed clamp is 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921049393.XU CN210129730U (en) | 2019-07-05 | 2019-07-05 | Fire-proof cable pre-branching shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921049393.XU CN210129730U (en) | 2019-07-05 | 2019-07-05 | Fire-proof cable pre-branching shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210129730U true CN210129730U (en) | 2020-03-06 |
Family
ID=69664803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921049393.XU Expired - Fee Related CN210129730U (en) | 2019-07-05 | 2019-07-05 | Fire-proof cable pre-branching shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210129730U (en) |
-
2019
- 2019-07-05 CN CN201921049393.XU patent/CN210129730U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200306 Termination date: 20210705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |