CN110165562B - Sealed threading device of power distribution box - Google Patents

Sealed threading device of power distribution box Download PDF

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Publication number
CN110165562B
CN110165562B CN201910207238.4A CN201910207238A CN110165562B CN 110165562 B CN110165562 B CN 110165562B CN 201910207238 A CN201910207238 A CN 201910207238A CN 110165562 B CN110165562 B CN 110165562B
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diameter
sealing
threading
adjusting
overlapped
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CN201910207238.4A
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CN110165562A (en
Inventor
陈仁凡
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Jiangsu Haowei New Materials Co.,Ltd.
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Jiangsu Haowei New Materials Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L5/00Devices for use where pipes, cables or protective tubing pass through walls or partitions
    • F16L5/02Sealing
    • F16L5/10Sealing by using sealing rings or sleeves only
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/20Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/22Installations of cables or lines through walls, floors or ceilings, e.g. into buildings

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Installation Of Indoor Wiring (AREA)

Abstract

The invention discloses a power distribution box sealing threading device which structurally comprises a threading row, a wire through hole, an overlapped diameter-adjusting sealing device, a control knob, an installation seat and a fixing spiral hole, wherein the threading row is of a rectangular structure, the wire through hole uniformly penetrates through the middle of the threading row at equal intervals, the overlapped diameter-adjusting sealing device is arranged in the middle of the threading row, and the control knob is embedded in the right side of the front surface of the threading row and is meshed and connected with the overlapped diameter-adjusting sealing device. According to the invention, through the arranged overlapping diameter-adjusting sealing device, the diameter of the sealing ring can be adjusted according to the diameter of the threaded electric wire, so that the sealing threading of the electric wires with different specifications is realized, the threading difficulty is reduced, the rubber sleeve of the electric wire is prevented from being damaged, and the electric wire can be tightly attached to the electric wire due to different sealing arcs required by different diameters by utilizing the deformable sealing strip, so that the real sealing of the distribution box is realized, and the accessories in the distribution box are effectively protected.

Description

Sealed threading device of power distribution box
Technical Field
The invention relates to the field of distribution boxes, in particular to a sealing threading device of a power distribution box.
Background
The block terminal is that equipment switchgear, measuring instrument, protection electrical apparatus and auxiliary assembly in sealed metal cabinet, but it need carry out the threading, must set up a through wires hole, so be equipped with threading device, but, the electric power block terminal threading device of prior art has following defect nevertheless:
because of the electric wire size and specification is more, the sealed threading hole of fixed diameter can only realize the sealed threading of a specification electric wire, and because of the size is close, is comparatively difficult when carrying out the threading, can destroy the rubber protection layer of electric wire even, leads to the block terminal to can't realize true dustproof, dampproofing because of the through wires hole.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a power distribution box sealing threading device to solve the problem that the threading device of the power distribution box in the prior art cannot realize real dustproof and moistureproof defects due to the fact that the sizes and specifications of electric wires are more, the sealing threading holes with fixed diameters can only realize the sealing threading of the electric wires with one specification, and the sizes of the electric wires are close, so that the electric wires are difficult to thread, and even rubber protective layers of the electric wires can be damaged, and the distribution box cannot realize the real dustproof and moistureproof defects due to the threading holes.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a sealed threading device of a power distribution box structurally comprises a threading row, a wire through hole, an overlapped diameter-adjusting sealing device, a control knob, a mounting seat and a fixed spiral hole, wherein the threading row is of a rectangular structure, the wire through hole penetrates through the middle of the threading row at equal intervals, the overlapped diameter-adjusting sealing device is arranged in the middle of the threading row, the control knob is embedded on the right side of the front surface of the threading row and is meshed with the overlapped diameter-adjusting sealing device in an engaged mode, the mounting seat is arranged on two sides of the threading row and is of an integrated forming structure, and the fixed spiral hole is arranged on two sides of the mounting seat and is of an integrated forming structure;
the overlapped diameter-adjusting sealing device is composed of an embedded plate, a diameter-adjusting driving mechanism, a diameter-adjusting ring structure and overlapped sealing mechanisms, wherein the embedded plate is of a rectangular structure and is embedded inside the threading row, the diameter-adjusting driving mechanism is arranged on the upper surface of the embedded plate, the diameter-adjusting ring structure and the overlapped sealing mechanisms are uniformly arranged inside the embedded plate at equal intervals, and the overlapped sealing mechanisms are arranged inside the diameter-adjusting ring structure and are connected through electric welding.
The diameter-adjusting driving mechanism is composed of a knob embedded wheel, a convolution spring, a dragging wheel and a driving belt, wherein the knob embedded wheel is arranged at the upper right part of the panel and is rotatably connected with the panel, the convolution spring is arranged in the dragging wheel, the dragging wheel is arranged at the lower right part of the panel and is rotatably connected with the panel, and two ends of the driving belt are respectively wound and connected with the knob embedded wheel and the dragging wheel.
As a further scheme of the invention, the control knob penetrates through the front surface of the threading row and is embedded into the knob embedded wheel to be meshed and connected.
As a further scheme of the invention, the diameter adjusting ring structure is composed of a diameter adjusting ring, a ring groove, meshing stripes and an arc-shaped connecting rod, wherein the diameter adjusting ring is of a circular ring structure, the ring groove is arranged on the outer surface of the diameter adjusting ring and is of an integrated forming structure, the meshing stripes are arranged in the ring groove, and the arc-shaped connecting rod is arranged in the diameter adjusting ring.
As a further scheme of the invention, the meshing stripes are vertical stripes and are uniformly and equidistantly arranged in the annular groove, and the inner wall of the driving belt is provided with stripes meshed with the meshing stripes.
As a further scheme of the invention, the overlapped sealing mechanism comprises an arc-shaped sealing strip, a deformation structure, an upper embedded structure, a lower embedded structure and welding holes, wherein the deformation structure is uniformly and equidistantly arranged on the arc-shaped sealing strip, the upper embedded structure is arranged at one end of the deformation structure and is in an integrated forming structure, the lower embedded structure is arranged at the other end of the deformation structure and is in an integrated forming structure, and the welding holes are arranged on the outer walls of the two ends of the deformation structure.
As a further scheme of the invention, four arc-shaped sealing strips are arranged, and are pairwise symmetrical and are distributed in an up-down overlapping manner to form a complete circular ring.
As a further scheme of the present invention, the upper and lower embedding structures of each arc-shaped sealing strip are distributed in a staggered manner.
Advantageous effects of the invention
Compared with the traditional sealing threading device of the power distribution box, the diameter of the sealing ring can be adjusted according to the diameter of the threaded wire by the aid of the overlapped diameter-adjusting sealing device, sealing threading of wires of different specifications is realized, threading difficulty is reduced, rubber sleeves of the wires are prevented from being damaged, deformable sealing strips are used, sealing arcs of the wires required by different diameters are different, the wires can be tightly attached to the wires, real sealing of the distribution box is realized, and accessories in the distribution box are effectively protected.
Drawings
Other features, objects and advantages of the invention will become more apparent from a reading of the detailed description of non-limiting embodiments with reference to the attached drawings.
In the drawings:
fig. 1 is a schematic structural view of a sealing threading device of a power distribution box according to the present invention.
Fig. 2 is a plan view of an overlapped type diameter-adjusting sealing device according to the present invention.
Fig. 3 is a plan view of a diameter adjustment ring structure 33 according to the present invention.
Fig. 4 is a plan view showing a structure of an overlapping type sealing mechanism according to the present invention.
FIG. 5 is a plan view showing a detailed structure of an overlapped type diameter-adjusting sealing device according to the present invention
In the figure: the wire threading device comprises a wire threading row 1, a wire through hole 2, an overlapped type diameter adjusting sealing device 3, a control knob 4, a mounting seat 5, a fixing spiral hole 6, a panel 31, a diameter adjusting driving mechanism 32, a diameter adjusting ring structure 33, an overlapped type sealing mechanism 34, a knob embedded wheel 321, a convolution spring 322, a traction wheel 323, a driving belt 324, a diameter adjusting ring 331, a ring groove 332, an engaging stripe 333, an arc-shaped connecting rod 334, an arc-shaped sealing strip 341, a deformation structure 342, an upper embedding structure 343, a lower embedding structure 344 and a welding hole 345.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the present invention provides a technical solution of a sealing threading device for a power distribution box:
a power distribution box sealing threading device structurally comprises a threading row 1, a wire through hole 2, an overlapped type diameter-adjusting sealing device 3, a control knob 4, a mounting seat 5 and a fixing spiral hole 6, wherein the threading row 1 is of a rectangular structure, the wire through hole 2 uniformly and equidistantly penetrates through the middle of the threading row 1, the overlapped type diameter-adjusting sealing device 3 is arranged in the middle of the threading row 1, the control knob 4 is embedded on the right side of the front surface of the threading row 1 and is meshed with the overlapped type diameter-adjusting sealing device 3, the mounting seat 5 is arranged on two sides of the threading row 1 and is of an integrated forming structure, and the fixing spiral hole 6 is arranged on two sides of the mounting seat 5 and is of an integrated forming structure;
the overlapped diameter-adjusting sealing device 3 is composed of an embedded plate 31, a diameter-adjusting driving mechanism 32, a diameter-adjusting ring structure 33 and an overlapped sealing mechanism 34, wherein the embedded plate 31 is of a rectangular structure and is embedded in the threading row 1, the diameter-adjusting driving mechanism 32 is arranged on the upper surface of the embedded plate 31, the diameter-adjusting ring structure 33 and the overlapped sealing mechanism 34 are uniformly and equidistantly arranged in the embedded plate 31, and the overlapped sealing mechanism 34 is arranged in the diameter-adjusting ring structure 33 and is connected with the same through electric welding.
The diameter-adjusting driving mechanism 32 is composed of a knob embedded wheel 321, a convolution spring 322, a dragging wheel 323 and a driving belt 324, wherein the knob embedded wheel 321 is arranged at the upper right part of the embedded plate 31 and is in rotary connection, the convolution spring 322 is arranged inside the dragging wheel 323, the dragging wheel 323 is arranged at the lower right part of the embedded plate 31 and is in rotary connection, and two ends of the driving belt 324 are respectively wound and connected with the knob embedded wheel 321 and the dragging wheel 323.
The control knob 4 penetrates through the front surface of the threading row 1 and is embedded in the knob embedded wheel 321 to be meshed and connected.
Transfer footpath ring structure 33 by transfer footpath ring 331, annular 332, meshing stripe 333, arc connecting rod 334 and constitute, transfer footpath ring 331 is the ring structure, annular 332 locates to transfer footpath ring 331 surface and is the integrated into one piece structure, meshing stripe 333 is located in annular 332, arc connecting rod 334 is located and is transferred footpath ring 331 inside.
The engaging stripe 333 is a vertical stripe, which is uniformly and equidistantly disposed inside the ring groove 332, and the inner wall of the driving belt 324 is provided with a stripe engaged with the engaging stripe 333.
The overlapped sealing mechanism 34 is composed of an arc-shaped sealing strip 341, a deformation structure 342, an upper embedding structure 343, a lower embedding structure 344 and a welding hole 345, wherein the deformation structure 342 is uniformly and equidistantly arranged on the arc-shaped sealing strip 341, the upper embedding structure 343 is arranged at one end of the deformation structure 342 and is an integrated molding structure, the lower embedding structure 344 is arranged at the other end of the deformation structure 342 and is an integrated molding structure, and the welding hole 345 is arranged on the outer walls of the two ends of the deformation structure 342.
The arc-shaped sealing strips 341 are four in number, and are pairwise symmetrical and distributed in an up-down overlapping manner to form a complete circular ring.
The upper engagement structure 343 and the lower engagement structure 344 of each arc-shaped sealing strip 341 are arranged in a staggered distribution.
The working principle of the invention is as follows: the threading row 1 is installed in a distribution box, the direction of a wire through hole 2 is perpendicular to the box wall, the threading row is connected with the inner wall of the distribution box through a mounting seat 5 in a spiral mode, a wire sequentially penetrates through the wire through hole 2, a control knob 4 is rotated clockwise, the control knob 4 drives a knob embedded wheel 321 to rotate at the moment, the knob embedded wheel 321 winds one end of a driving belt 324, the driving belt 324 drives all diameter adjusting rings 331 to rotate clockwise through meshing stripes 333, four arc-shaped sealing strips 341 are pushed to approach to the center of the wire through hole 2 through arc-shaped connecting rods 334 and are tightly attached to the outer wall of the wire through a deformation structure 342, and the rotation of the control knob 4 is stopped until all the arc-shaped sealing strips 341 are attached to the wire; when the electric wire is to be detached or replaced, the control knob 4 is rotated anticlockwise, the knob embedded wheel 321 releases the pulling of the driving belt 324, the driving belt 324 is pulled by the pulling wheel 323 to rotate anticlockwise under the action of the elastic potential energy of the convolution spring 322, the diameter adjusting ring 331 rotates anticlockwise, the pushing of the arc-shaped sealing strip 341 is released, the electric wire is pulled out at the moment, and the sealing threading of the distribution box is realized through the circular operation.
The invention solves the problems that the threading device of the power distribution box in the prior art can only realize the sealing threading of the electric wire with one specification due to more sizes and specifications of the electric wire, and the sealing threading hole with a fixed diameter can only realize the sealing threading of the electric wire with one specification, and is difficult to thread due to the similar size, even can damage the rubber protective layer of the electric wire, so that the real dust and moisture prevention of the distribution box can not be realized due to the threading hole, through the mutual combination of the parts, the invention can adjust the diameter of the sealing ring according to the diameter of the threaded electric wire through the arranged overlapping diameter-adjusting sealing device, realize the sealing threading of the electric wires with different specifications, simultaneously reduce the threading difficulty, prevent the rubber sleeve of the electric wire from being damaged, and utilize the deformable sealing strip to realize the sealing arc difference of the electric wire required by the different diameters and also can be tightly attached to the electric wire, thereby, effectively protect the accessory in the block terminal.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (3)

1. The utility model provides a sealed threading device of power distribution box, its structure includes threading row (1), electric wire through hole (2), overlapping formula transfer footpath sealing device (3), control knob (4), mount pad (5), fixed spiral hole (6), its characterized in that:
the wire threading row (1) is of a rectangular structure, the electric wire through holes (2) penetrate through the middle of the wire threading row (1) uniformly and equidistantly, the overlapped diameter-adjusting sealing device (3) is arranged in the middle of the wire threading row (1), the control knob (4) is embedded in the right side of the front surface of the wire threading row (1) and is meshed and connected with the overlapped diameter-adjusting sealing device (3), the mounting seats (5) are arranged on two sides of the wire threading row (1) and are of an integrated forming structure, and the fixing spiral holes (6) are arranged on two sides of the mounting seats (5) and are of an integrated forming structure;
the overlapped diameter-adjusting sealing device (3) is composed of a panel (31), a diameter-adjusting driving mechanism (32), a diameter-adjusting ring structure (33) and an overlapped sealing mechanism (34), the panel (31) is embedded in the threading row (1) in a rectangular structure, the diameter-adjusting driving mechanism (32) is arranged on the upper surface of the panel (31), the diameter-adjusting ring structure (33) and the overlapped sealing mechanism (34) are uniformly and equidistantly arranged in the panel (31), and the overlapped sealing mechanism (34) is arranged in the diameter-adjusting ring structure (33) and is connected with the diameter-adjusting ring structure (33) through electric welding;
the diameter adjusting driving mechanism (32) consists of a knob embedded wheel (321), a convolution spring (322), a traction wheel (323) and a driving belt (324), the knob embedded wheel (321) is arranged at the upper right part of the panel (31) and is rotationally connected with the panel, the convolution spring (322) is arranged inside the traction wheel (323), the traction wheel (323) is arranged at the lower right part of the panel (31) and is rotationally connected with the panel, and two ends of the driving belt (324) are respectively wound and connected with the knob embedded wheel (321) and the traction wheel (323);
the diameter adjusting ring structure (33) is composed of a diameter adjusting ring (331), a ring groove (332), meshing stripes (333) and an arc-shaped connecting rod (334), the diameter adjusting ring (331) is of a circular ring structure, the ring groove (332) is formed in the outer surface of the diameter adjusting ring (331) and is of an integrated forming structure, the meshing stripes (333) are arranged in the ring groove (332), and the arc-shaped connecting rod (334) is arranged in the diameter adjusting ring (331);
the meshing stripes (333) are vertical stripes, are uniformly arranged in the annular groove (332) at equal intervals, and are meshed with the meshing stripes (333) on the inner wall of the driving belt (324).
2. The electric power distribution box sealing threading device of claim 1, wherein: overlapping formula sealing mechanism (34) comprises arc sealing strip (341), deformation structure (342), goes up gomphosis structure (343), gomphosis structure (344) down, welding hole (345), the even equidistance of deformation structure (342) is located on arc sealing strip (341), go up gomphosis structure (343) and locate deformation structure (342) one end and be the integrated into one piece structure, the deformation structure (342) other end is located and is the integrated into one piece structure in gomphosis structure (344) down, deformation structure (342) both ends outer wall is located in welding hole (345).
3. The electric power distribution box sealing threading device of claim 2, wherein: the arc-shaped sealing strips (341) are four in number, are pairwise symmetrical and are distributed in an up-down overlapping manner to form a complete circular ring.
CN201910207238.4A 2019-03-19 2019-03-19 Sealed threading device of power distribution box Active CN110165562B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910207238.4A CN110165562B (en) 2019-03-19 2019-03-19 Sealed threading device of power distribution box

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Application Number Priority Date Filing Date Title
CN201910207238.4A CN110165562B (en) 2019-03-19 2019-03-19 Sealed threading device of power distribution box

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CN110165562B true CN110165562B (en) 2020-09-08

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112821241B (en) * 2021-03-26 2022-12-09 国网冀北电力有限公司廊坊供电公司 A adjustable through wires hole device for block terminal

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Publication number Priority date Publication date Assignee Title
CN1643286A (en) * 2002-03-22 2005-07-20 泰科电子雷伊化学有限责任公司 Adjustable insert for a duct or bulkhead opening
CN206922366U (en) * 2017-05-10 2018-01-23 伊斯特密封科技(江苏)有限公司 A kind of rack integrated form cable through sealing device
CN207053139U (en) * 2017-08-23 2018-02-27 温伟军 A kind of cable cavern high temperature resistant waterproof fireproof blocking device
CN108879501A (en) * 2018-07-02 2018-11-23 江苏迈道通信科技有限公司 A kind of adjustable wire clamp positioning device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208479103U (en) * 2018-08-03 2019-02-05 华伟防爆电器(天津)有限公司 A kind of sealing ring armored cassette of reducing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1643286A (en) * 2002-03-22 2005-07-20 泰科电子雷伊化学有限责任公司 Adjustable insert for a duct or bulkhead opening
CN206922366U (en) * 2017-05-10 2018-01-23 伊斯特密封科技(江苏)有限公司 A kind of rack integrated form cable through sealing device
CN207053139U (en) * 2017-08-23 2018-02-27 温伟军 A kind of cable cavern high temperature resistant waterproof fireproof blocking device
CN108879501A (en) * 2018-07-02 2018-11-23 江苏迈道通信科技有限公司 A kind of adjustable wire clamp positioning device

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Effective date of registration: 20200812

Address after: 212200 No.518, Chunliu North Road, Sanmao street, Yangzhong City, Zhenjiang City, Jiangsu Province

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Address before: 330000 Jiangxi Shengfu Electric Power Research Institute, 21 Jinjiang Road, Industrial Park, Nanchang High-tech Zone, Jiangxi Province

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