CN104078900A - Anti-explosion wiring mechanism facilitating wiring - Google Patents
Anti-explosion wiring mechanism facilitating wiring Download PDFInfo
- Publication number
- CN104078900A CN104078900A CN201410304114.5A CN201410304114A CN104078900A CN 104078900 A CN104078900 A CN 104078900A CN 201410304114 A CN201410304114 A CN 201410304114A CN 104078900 A CN104078900 A CN 104078900A
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- base
- wiring
- hole
- upper cover
- explosion
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Abstract
The invention discloses an anti-explosion wiring mechanism facilitating wiring. The mechanism comprises a base and an upper cover. A wiring cavity is formed between the base and the upper cover, the side face of the base is further fixedly provided with at least one threading tube, a wiring portion is further arranged in the wiring cavity, the base is fixedly provided with a through pin, the wiring portion is provided with a hole in clearance fit with the through pin, and the wiring portion is provided with a fixing bolt; the threading tube comprises a wire leading cylinder, a different-diameter through hole is formed in the axis of the wire leading cylinder, one end of the different-diameter through hole is provided with inner threads, a sealing pad is embedded in the different-diameter through hole, and a pressing nut connected with the threads is arranged in an inner thread hole; the wiring portion comprises a wiring portion base and at least one wiring board, the wiring board comprises a switch-on plate provided with at least two threading ports, and the switch-on plate is provided with at least one pressing bolt. The mechanism is simple in structure, and has the advantages of being good in sealing and flameproof performance, high in cable connection lug connection speed and stable in connection lug connection stability.
Description
Technical field
The present invention relates to a kind of electric wire protector, particularly relate to a kind of explosion-proof wiring mechanism of being convenient to wiring.
Background technology
Colliery subsurface environment is special, have inflammable gas and dust, once above-mentioned gas and dust run into any electric spark after reaching explosion limit, very easily cause serious work safety accident, therefore the system equipment such as the various types of communication under mine, monitoring, instrument and automation has explosion prevention function and seems particularly important.
Lighting installation under coal mine, power-equipment are many, and in zero duration line cord wiring process, terminal box is indispensable equipment.In prior art, the sealing of the junction of terminal box and cable was easily lost efficacy, and terminal box inner cable joint is easily loosening under the effect of two ends cable pull.
Summary of the invention
Junction sealing for terminal box and cable in above-mentioned prior art was easily lost efficacy, and terminal box inner cable joint easy loosening problem under the effect of two ends cable pull, the invention provides a kind of explosion-proof wiring mechanism of being convenient to wiring.
For the problems referred to above, the explosion-proof wiring mechanism of being convenient to wiring provided by the invention solves problem by following technical essential: the explosion-proof wiring mechanism of being convenient to wiring, comprise base in the form of slot and the upper cover being connected with bolt of lower base or screw, between described base and upper cover, form wire connection cavity, on the side of described base, be also fixed with at least one penetration pipe, in described wire connection cavity, be also provided with wire connecting portion, on the bottom surface of base, be also fixed with the pin of wearing that axis is positioned at vertical direction, in wire connecting portion, be provided with and the hole of wearing pin matched in clearance, in wire connecting portion, be also provided with at least one the set bolt being fixedly connected with base for wire connecting portion,
Described penetration pipe comprises the lead-in wire cylinder being fixed on base, on the axis of lead-in wire cylinder, be provided with reducing through hole, one end of reducing through hole is provided with internal thread, in described reducing through hole, be embedded with sealing gasket, in internal thread hole, be provided with the clamping nut that one-tenth is threaded with it, one end in contact of one end of clamping nut and sealing gasket, and the other end of sealing gasket fixes with respect to a lead-in wire cylinder position relationship, the through hole that sealing gasket is parallel with reducing through-bore axis with being provided with axis on clamping nut;
Described line portion comprises line portion seat and at least one terminal block, described terminal block is fixed on line portion seat, terminal block comprises conduction panel, on conduction panel, be provided with at least two threading openings, on the conduction panel of each threading opening side, be provided with at least one hold-down bolt, the thread segment end of described hold-down bolt is all positioned at threading opening, and the points of engagement of described hole and set bolt and wire connecting portion is all positioned on wire connecting portion seat.
Concrete, the base of setting and upper cover are isolated for wire connection cavity and external environment, and wire connection cavity is for the accommodation space of cable connector like this, and the electric spark that cable connector place produces is shielded by base and upper cover, reaches the explosion prevention function of terminal box, the penetration pipe arranging is drawn and is introduced from the present invention for cable, in the version of penetration pipe, reducing through hole on through hole, lead-in wire cylinder between clamping nut and sealing gasket passes wire connecting portion for cable, the structural relation of clamping nut and sealing gasket, make clamping nut further going deep in the process of reducing through hole, the length of sealing gasket quilt is compressed, make like this sealing gasket to its through-hole side distortion, in above process, on sealing gasket, the aperture of through hole diminishes, and finally contacts the sealing of the junction of realizing terminal box and cable with the outer wall of cable, the line portion arranging is the joint junction of two cables, conduction panel is the platy structure with good conductive function, as copper coin, aluminium sheet, silver plate etc., the threading opening arranging wears for cable the end of a thread, the structural relation of threading opening and hold-down bolt, make the compression being applied on cable connector by hold-down bolt realize cable connector fixing on conduction panel, the compression that can impose on cable connector due to hold-down bolt is determined by the intensity foot of screw thread, like this, be convenient to obtain the annexation that cable interface and conduction panel are firm, the matching relationship of wearing pin and wire connecting portion arranging, after making to relax set bolt, threading portion can rotate around the axis of wearing pin, like this, introduced after wire connection cavity by penetration pipe at cable, rotatable wire connecting portion seat makes the just axis to cable of threading opening, like this, can easily the end of a thread be introduced in threading opening, realize the fixing of the end of a thread and conduction panel by hold-down bolt again, then by rotating wire connecting portion seat, cable is bending under the external force of penetration pipe and conduction panel, be convenient to obtain that other parts of the end of a thread and cable are 90 ° of angles in case principal vertical line head departs from conduction panel under external force, above process has been avoided the prebuckling to the end of a thread before the end of a thread connects, particularly in the case of the end of a thread to be connected is more, can avoid the every loaded down with trivial details tolerance of cable will be incorporated into respectively the length in wire connection cavity, be conducive to cable joint efficiency of the present invention.
Further technical scheme is:
Due to base and upper cover no matter be for security consideration or save material and consider, in prior art, adopt plastic material with upper-part more, for the connecting thread that prevents base and upper cover is in easily premature failure under aging defect of plastics, on described base, be fixed with multiple threaded blocks that are connected with upper bonnet bolt or screw for base, described threaded block is the internal thread metallic sheath being embedded on base.
For ensureing the sealing property between base and upper cover, between the link end face of described base and upper cover, be also provided with sealing ring.
Resist the ability of outside destroy for strengthening upper cover, cover on described and be also provided with reinforcement, preferably reinforcement is arranged on the inner side of upper cover.
For ease of installation of the present invention and fixing, described base or on cover and be also provided with holder, described holder is the block structure that one end and base or upper cover were fixedly connected with and were provided with on it fixed bolt hole.
For further ensureing the sealing property at penetration pipe place, the internal thread arranging on reducing through hole on described lead-in wire cylinder is gas thread.
For making sealing gasket and cable there is larger contact area, to increase the frictional force between sealing gasket and cable, be convenient to like this transmit by base or upper cover the pulling force of cable, avoid cable connector to connect under cable tension stress loosening, the length of described sealing gasket is not less than 3mm.
Be in contact with one another with the conduction part of electric current of stopping adjacent cables for increasing the attachable the end of a thread quantity of the present invention, described terminal block is multiple, and the dividing plate of promising insulation material is also set between adjacent two terminal blocks.
The present invention has following beneficial effect:
1, the penetration pipe arranging is drawn and is introduced from the present invention for cable, in the version of penetration pipe, through hole between clamping nut and sealing gasket, reducing through hole on lead-in wire cylinder passes wire connecting portion for cable, the structural relation of clamping nut and sealing gasket, make clamping nut further going deep in the process of reducing through hole, the length of sealing gasket quilt is compressed, make like this sealing gasket to its through-hole side distortion, in above process, on sealing gasket, the aperture of through hole diminishes, the last sealing that contacts the junction of realizing terminal box and cable with the outer wall of cable, in above process the decrement of sealing gasket be subject to clamping nut deeply go between cylinder the degree of depth determine, be convenient to like this obtain sealing gasket to the enough pressure in cable side, to ensure sealing effectiveness of the present invention and produce enough frictional force between sealing gasket and cable the pulling force of resisting the connector lug of cable, avoid cable connector lug to come off under described tension stress, the structure that realizes cable and junction of the present invention sealing by tightening clamping nut, also helps wiring efficiency of the present invention.
2, the line portion arranging is the joint junction of two cables, conduction panel is the platy structure with good conductive function, as copper coin, aluminium sheet, silver plate etc., the threading opening arranging wears for cable the end of a thread, the structural relation of threading opening and hold-down bolt, make the compression being applied on cable connector by hold-down bolt realize cable connector fixing on conduction panel, the compression that can impose on cable connector due to hold-down bolt is determined by the intensity foot of screw thread, like this, be convenient to obtain the annexation that cable interface and conduction panel are firm.
3, the matching relationship of wearing pin and wire connecting portion arranging, after making to relax set bolt, threading portion can rotate around the axis of wearing pin, like this, introduced after wire connection cavity by penetration pipe at cable, rotatable wire connecting portion seat makes the just axis to cable of threading opening, like this, can easily the end of a thread be introduced in threading opening, realize the fixing of the end of a thread and conduction panel by hold-down bolt again, then by rotating wire connecting portion seat, cable is bending under the external force of penetration pipe and conduction panel, be convenient to obtain that other parts of the end of a thread and cable are 90 ° of angles in case principal vertical line head departs from conduction panel under external force, above process has been avoided the prebuckling to the end of a thread before the end of a thread connects, particularly in the case of the end of a thread to be connected is more, can avoid the every loaded down with trivial details tolerance of cable will be incorporated into respectively the length in wire connection cavity, be conducive to cable joint efficiency of the present invention.
Brief description of the drawings
Fig. 1 is the structural representation of a specific embodiment of explosion-proof wiring mechanism of being convenient to wiring of the present invention;
Fig. 2 is the structural representation of a specific embodiment of explosion-proof wiring mechanism penetration pipe of being convenient to wiring of the present invention;
Fig. 3 is the structural representation of a specific embodiment of explosion-proof wiring mechanism terminal block of being convenient to wiring of the present invention;
Fig. 4 is the structural representation of a specific embodiment of explosion-proof wiring mechanism sealing ring of being convenient to wiring of the present invention.
Figure acceptance of the bid note is respectively: 1, base, 2, wire connecting portion, 21, wire connecting portion seat, 22, terminal block, 221, conduction panel, 222, hold-down bolt, 223, threading opening, 23, dividing plate, 3, penetration pipe, 31, lead-in wire cylinder, 32, sealing gasket, 33, clamping nut, 4, upper cover, 5, reinforcement, 6, holder, 7, wire connection cavity, 8, threaded block, 9, screw, 10, sealing ring.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but structure of the present invention is not limited only to following examples.
Embodiment 1:
As shown in Figure 1 to Figure 4, be convenient to the explosion-proof wiring mechanism of wiring, comprise base in the form of slot 1 and the upper cover 4 being connected with base 1 bolt or screw, between described base 1 and upper cover 4, form wire connection cavity 7, on the side of described base 1, be also fixed with at least one penetration pipe 3, in described wire connection cavity 7, be also provided with wire connecting portion 2, what on the bottom surface of base 1, be also fixed with that axis is positioned at vertical direction wears pin 11, in wire connecting portion 2, be provided with and the hole of wearing pin 11 matched in clearance, in wire connecting portion 2, be also provided with at least one the set bolt 12 being fixedly connected with base 1 for wire connecting portion 2;
Described penetration pipe 3 comprises the lead-in wire cylinder 31 being fixed on base 1, on the axis of lead-in wire cylinder 31, be provided with reducing through hole, one end of reducing through hole is provided with internal thread, in described reducing through hole, be embedded with sealing gasket 32, in internal thread hole, be provided with the clamping nut 33 that one-tenth is threaded with it, one end in contact of one end of clamping nut 33 and sealing gasket 32, and the other end of sealing gasket 32 is fixed with respect to lead-in wire cylinder 31 position relationships, sealing gasket 32 with on clamping nut 33, be provided with the axis through hole parallel with reducing through-bore axis;
Described line portion 2 comprises line portion seat 21 and at least one terminal block 22, described terminal block 22 is fixed on line portion seat 21, terminal block 22 comprises conduction panel 221, on conduction panel 221, be provided with at least two threading openings 223, on the conduction panel 221 of each threading opening 223 sides, be provided with at least one hold-down bolt 222, the thread segment end of described hold-down bolt 222 is all positioned at threading opening 223, and described hole and set bolt 12 are all positioned on wire connecting portion seat 21 with the points of engagement of wire connecting portion 2.
Concrete, in the present embodiment, the base 1 arranging and upper cover 4 adopt has fabulous impact strength, good stability of the dimension, electrical property, resistance to wear, chemical proof, dyeability, the good ABS engineering plastics of processing and forming and machining, the penetration pipe 3 arranging is made up of the polytetrafluoroethylene with good self-lubricating property, and the sealing gasket 32 of setting adopts the fluorubber with favorable elasticity and resistance to polarity.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as shown in Figure 1 to Figure 4, due to base 1 and upper cover 4 no matter be for security consideration or save material and consider, in prior art, adopt plastic material with upper-part more, for the connecting thread that prevents base 1 and upper cover 4 is in easily premature failure under aging defect of plastics, on described base 1, be fixed with multiple threaded blocks 8 that are connected with upper cover 4 bolts or screw for base 1, described threaded block 8 is the internal thread metallic sheath being embedded on base 1, threaded block 8 described in the present embodiment is for arranging female copper sheathing, by on upper cover 4, arrange with internal thread seat 8 one to one screw 9 realize being fixedly connected with of base 1 and upper cover 4.
Embodiment 3:
The present embodiment is further qualified on the basis of embodiment 1, as shown in Figure 1 to Figure 4, for ensureing the sealing property between base 1 and upper cover 4, between described base 1 and the link end face of upper cover 4, is also provided with sealing ring 10.
Embodiment 4:
The present embodiment is further qualified on the basis of above embodiment, as shown in Figure 1 to Figure 4, resists the ability of outside destroy for strengthening upper 4 lids, on described upper cover 4, is also provided with reinforcement 5, and preferably reinforcement 5 is arranged on the inner side of upper cover 4.
For ease of installation of the present invention and fixing, on described base 1 or upper cover 4, be also provided with holder 6, described holder 6 is the block structure that one end and 1, the end or upper cover 4 were fixedly connected with and were provided with on it fixed bolt hole.
Embodiment 5:
The present embodiment is further qualified on the basis of embodiment 1, and as shown in Figure 1 to Figure 4, for further ensureing the sealing property at penetration pipe 3 places, the internal thread arranging on reducing through hole on described lead-in wire cylinder 31 is gas thread.
Embodiment 6:
The present embodiment is further qualified on the basis of above embodiment, as shown in Figure 1 to Figure 4, for making sealing gasket 32 and cable there is larger contact area, to increase the frictional force between sealing gasket 32 and cable, be convenient to like this transmit by base 1 or upper cover 4 pulling force of cable, avoid cable connector to connect under cable tension stress loosening, the length of described sealing gasket 32 is not less than 3mm.
Be in contact with one another with the conduction part of electric current of stopping adjacent cables for increasing the attachable the end of a thread quantity of the present invention, described terminal block 22 is multiple, and the dividing plate 23 of promising insulation material is also set between adjacent two terminal blocks 22.
Above content is the further description of the present invention being done in conjunction with concrete preferred implementation, can not assert that the specific embodiment of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, not departing from other execution modes that draw under technical scheme of the present invention, all should be included in protection scope of the present invention.
Claims (8)
1. be convenient to the explosion-proof wiring mechanism of wiring, comprise base in the form of slot (1) and the upper cover (4) being connected with base (1) bolt or screw, between described base (1) and upper cover (4), form wire connection cavity (7), on the side of described base (1), be also fixed with at least one penetration pipe (3), it is characterized in that, in described wire connection cavity (7), be also provided with wire connecting portion (2), what on the bottom surface of base (1), be also fixed with that axis is positioned at vertical direction wears pin (11), in wire connecting portion (2), be provided with and the hole of wearing pin (11) matched in clearance, in wire connecting portion (2), be also provided with at least one the set bolt (12) being fixedly connected with base (1) for wire connecting portion (2),
Described penetration pipe (3) comprises the lead-in wire cylinder (31) being fixed on base (1), on the axis of lead-in wire cylinder (31), be provided with reducing through hole, one end of reducing through hole is provided with internal thread, in described reducing through hole, be embedded with sealing gasket (32), in internal thread hole, be provided with the clamping nut (33) that one-tenth is threaded with it, one end in contact of one end of clamping nut (33) and sealing gasket (32), and the other end of sealing gasket (32) is fixed with respect to lead-in wire cylinder (31) position relationship, sealing gasket (32) is provided with the axis through hole parallel with reducing through-bore axis with on clamping nut (33),
Described line portion (2) comprises line portion seat (21) and at least one terminal block (22), described terminal block (22) is fixed on line portion seat (21), terminal block (22) comprises conduction panel (221), on conduction panel (221), be provided with at least two threading openings (223), on the conduction panel (221) of each threading opening (223) side, be provided with at least one hold-down bolt (222), the thread segment end of described hold-down bolt (222) is all positioned at threading opening (223), described hole and set bolt (12) are all positioned on wire connecting portion seat (21) with the points of engagement of wire connecting portion (2).
2. the explosion-proof wiring mechanism of being convenient to wiring according to claim 1, it is characterized in that, on described base (1), be fixed with multiple threaded blocks (8) that are connected with upper cover (4) bolt or screw for base (1), described threaded block (8) is the internal thread metallic sheath being embedded on base (1).
3. the explosion-proof wiring mechanism of being convenient to wiring according to claim 1, is characterized in that, between described base (1) and the link end face of upper cover (4), is also provided with sealing ring (10).
4. the explosion-proof wiring mechanism of being convenient to wiring according to claim 1, is characterized in that, is also provided with reinforcement (5) on described upper cover (4).
5. the explosion-proof wiring mechanism of being convenient to wiring according to claim 1, it is characterized in that, on described base (1) or upper cover (4), be also provided with holder (6), described holder (6) is the block structure that one end and base (1) or upper cover (4) were fixedly connected with and were provided with on it fixed bolt hole.
6. according to the explosion-proof wiring mechanism of being convenient to wiring described in any one in claim 1 to 5, it is characterized in that, the internal thread arranging on the upper reducing through hole of described lead-in wire cylinder (31) is gas thread.
7. according to the explosion-proof wiring mechanism of being convenient to wiring described in any one in claim 1 to 5, it is characterized in that, the length of described sealing gasket (32) is not less than 3mm.
8. according to the explosion-proof wiring mechanism of being convenient to wiring described in any one in claim 1 to 5, it is characterized in that, described terminal block (22) is multiple, and the dividing plate (23) of promising insulation material is also set between adjacent two terminal blocks (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410304114.5A CN104078900A (en) | 2014-06-30 | 2014-06-30 | Anti-explosion wiring mechanism facilitating wiring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410304114.5A CN104078900A (en) | 2014-06-30 | 2014-06-30 | Anti-explosion wiring mechanism facilitating wiring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104078900A true CN104078900A (en) | 2014-10-01 |
Family
ID=51600015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410304114.5A Pending CN104078900A (en) | 2014-06-30 | 2014-06-30 | Anti-explosion wiring mechanism facilitating wiring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104078900A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109408874A (en) * | 2018-09-14 | 2019-03-01 | 广东电网有限责任公司 | The end position crooked radian emulation mode of high-voltage cable joint explosion-protection equipment |
| CN115207849A (en) * | 2022-07-28 | 2022-10-18 | 国网浙江省电力有限公司舟山供电公司 | Intelligent explosion-proof junction box |
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| CN202797813U (en) * | 2012-09-08 | 2013-03-13 | 中国石油化工股份有限公司 | Anti-explosion middle junction box between electrical device and power distribution box |
| CN203056489U (en) * | 2013-01-22 | 2013-07-10 | 浙江正安防爆电气有限公司 | Novel conjunction box |
| CN203932897U (en) * | 2014-06-30 | 2014-11-05 | 四川天微电子有限责任公司 | Be convenient to the anti-explosion terminal box of wiring |
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Patent Citations (12)
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| EP0449088A1 (en) * | 1990-03-26 | 1991-10-02 | ABB CEAG Licht- und Stromversorgungstechnik GmbH | Cable feedthrough |
| CN201113327Y (en) * | 2007-07-10 | 2008-09-10 | 冯云峰 | Cable distribution box |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109408874A (en) * | 2018-09-14 | 2019-03-01 | 广东电网有限责任公司 | The end position crooked radian emulation mode of high-voltage cable joint explosion-protection equipment |
| CN109408874B (en) * | 2018-09-14 | 2023-03-21 | 广东电网有限责任公司 | Simulation method for bending radian of end part of explosion-proof device of high-voltage cable joint |
| CN115207849A (en) * | 2022-07-28 | 2022-10-18 | 国网浙江省电力有限公司舟山供电公司 | Intelligent explosion-proof junction box |
| CN115207849B (en) * | 2022-07-28 | 2023-10-20 | 国网浙江省电力有限公司舟山供电公司 | Intelligent explosion-proof junction box |
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| PB01 | Publication | ||
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Application publication date: 20141001 |