CN104113028A - Mine wiring device - Google Patents
Mine wiring device Download PDFInfo
- Publication number
- CN104113028A CN104113028A CN201410351708.1A CN201410351708A CN104113028A CN 104113028 A CN104113028 A CN 104113028A CN 201410351708 A CN201410351708 A CN 201410351708A CN 104113028 A CN104113028 A CN 104113028A
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- CN
- China
- Prior art keywords
- upper cover
- base
- screw rod
- mine
- contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Abstract
The invention discloses a mine wiring device. The mine wiring device comprises a base and an upper cover; the base is provided with a conduit; a wiring unit is arranged in a wiring chamber; the wiring unit comprises a wire inlet side, a wire outlet side and a conducting strip; the wire inlet side and the wire outlet side are both provided with contact terminals; a guide rod and a screw are fixed to the upper cover; the conducting strip comprises an insulating substrate and a metal bar; the screw is provided with a lock nut; a seal ring is arranged between the lock nut and the upper cover. The mine wiring device is good in explosion-proof performance and can prevent wiring contactors from being exposed outside to work in the hazardous environment.
Description
Technical field
The present invention relates to a kind of electric wire protector, particularly relate to a kind of mine termination.
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 practice, there is charged situation of separating shell because violation operation is easy in above terminal box, it is terminal box seal failure, connector lug is directly exposed in atmospheric environment, and the environment ignited that colliery is prone to causes great security threat, totally unfavorable to keeping the safety in production.
Summary of the invention
In practice, there is charged situation of separating shell because violation operation is easy for terminal box in above-mentioned prior art, it is terminal box seal failure, connector lug is directly exposed in atmospheric environment, the environment ignited that colliery is prone to causes great security threat, to the totally unfavorable problem of keeping the safety in production, the invention provides a kind of mine termination.
For the problems referred to above, a kind of mine termination provided by the invention solves problem by following technical essential: a kind of mine termination, 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, described wire connecting portion comprises inlet wire side, outgoing line side and conducting bar, on described inlet wire side and outgoing line side, be provided with at least one contact, and the contact in inlet wire side is symmetrical arranged in pairs with the contact on outgoing line side,
On described, cover and be also fixed with guide post, on cover and be also provided with the screw rod that one-tenth is threaded with it, described screw rod is parallel with guide post axis, conducting bar comprises insulating body and is arranged on the bonding jumper on insulating body, conducting bar is connected with screw flight section end, and conducting bar position in the axial direction of screw rod is fixed and screw rod can rotate around its axis, on conducting bar, be also provided with the guide post hole with guide post matched in clearance, the nut end of screw rod and thread segment end lay respectively at outside and the inner side of upper cover, on screw rod in upper cover outside, be also provided with the lock nut being connected with screw flight, between described lock nut and upper cover, be also provided with sealing ring.
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 contact arranging is for being connected on the connection of circuit for circuit, contact on inlet wire side and outgoing line side is symmetrical arranged in pairs, every pair of contact is for two contacts at forming circuit, be arranged on each bonding jumper on conducting bar for the circuit turn-on between a pair of contact, like this, after base has been connected with upper cover, make conducting bar towards a lateral movement of wire connecting portion until bonding jumper is connected two corresponding contacts by rotary screw, make the present invention bring into play the function that cable is connected, in the time that the present invention need to dismantle, because screw rod becomes to be threaded with upper cover, like this, when upper cover departs from base, bonding jumper also departs from contact, the circuit that makes like this energising connect becomes off state, reach and prevent that the charged situation about opening that opens by mistake of terminal box from occurring, the guide post arranging is the guiding in the motion process direction of motion for conducting bar, is convenient to realize conducting bar and moves along the direction of contact, is conducive to the precision of bonding jumper and contacts mates, the lock nut arranging loosens and the sealing at screw rod and upper cover points of engagement place for screw rod: reach after the station in on-state at conducting bar, realize screw rod and force sealed ring deformation to stop up the gap between screw rod and upper cover to the compression of sealing ring under the upper locking covering, lock nut locking state by screwing lock nut, realize the technique effect of sealing ring sealing.
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 housing seal circle.
Resist the ability of outside destroy for strengthening upper cover, cover on described and be also provided with reinforcement.
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 ease of the structure that is connected, simplifies contact of contact and cable with prevent that bonding jumper from contacting with other conductive components, affect the stability that circuit of the present invention switches on and off, described wire connecting portion also comprises terminal block, outgoing line side and inlet wire side are the groove being arranged on terminal block, axisymmetricly, contact is zigzag to two grooves, and on contact, is provided with the end of a thread hole and line ball bolt, contact is arranged in pairs in two grooves, and the upper end of all contacts is all positioned at same plane.
The present invention has following beneficial effect:
1, the base arranging 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 contact arranging is for being connected on the connection of circuit for circuit, contact on inlet wire side and outgoing line side is symmetrical arranged in pairs, every pair of contact is for two contacts at forming circuit, be arranged on each bonding jumper on conducting bar for the circuit turn-on between a pair of contact, like this, after base has been connected with upper cover, make conducting bar towards a lateral movement of wire connecting portion until bonding jumper is connected two corresponding contacts by rotary screw, make the present invention bring into play the function that cable is connected, in the time that the present invention need to dismantle, because screw rod becomes to be threaded with upper cover, like this, when upper cover departs from base, bonding jumper also departs from contact, the circuit that makes like this energising connect becomes off state, reach and prevent that the charged situation about opening that opens by mistake of terminal box from occurring.
2, the guide post arranging is the guiding in the motion process direction of motion for conducting bar, is convenient to realize conducting bar and moves along the direction of contact, is conducive to the precision of bonding jumper and contacts mates.
3, the lock nut arranging loosens and the sealing at screw rod and upper cover points of engagement place for screw rod: reach after the station in on-state at conducting bar, realize screw rod and force sealed ring deformation to stop up the gap between screw rod and upper cover to the compression of sealing ring under the upper locking covering, lock nut locking state by screwing lock nut, realize the technique effect of sealing ring sealing.
Brief description of the drawings
Fig. 1 is the structural representation of a specific embodiment of a kind of mine termination of the present invention;
Fig. 2 is the structural representation of a specific embodiment of a kind of mine termination upper cover of the present invention;
Fig. 3 is the structural representation of a specific embodiment of a kind of mine termination conducting bar of the present invention;
Fig. 4 is the structural representation of a kind of mine termination screw rod of the present invention, lock nut and a specific embodiment of sealing ring;
Fig. 5 is the structural representation that a kind of mine termination of the present invention touches first specific embodiment.
Figure acceptance of the bid note is respectively: 1, base, 2, wire connecting portion, 21, inlet wire side, 22, outgoing line side, 23, terminal block, 24, contact, 3, penetration pipe, 4, upper cover, 5, reinforcement, 6, conducting bar, 61, bonding jumper, 7, guide post, 8, lock nut, 9, screw rod, 10, sealing ring, 11, wire connection cavity, 12, threaded block, 13, holder.
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 Fig. 1 to Fig. 5, a kind of mine termination, 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 11, on the side of described base 1, be also fixed with at least one penetration pipe 3, in described wire connection cavity 11, be also provided with wire connecting portion 2, described wire connecting portion 2 comprises inlet wire side 21, outgoing line side 22 and conducting bar 6, on described inlet wire side 21 and outgoing line side 22, be provided with at least one contact 24, and contact in inlet wire side 21 24 is symmetrical arranged in pairs with the contact 24 on outgoing line side 22;
On described upper cover 4, be also fixed with guide post 7, on upper cover 4, be also provided with the screw rod 9 that one-tenth is threaded with it, described screw rod 9 is parallel with guide post 7 axis, conducting bar 6 comprises insulating body and is arranged on the bonding jumper 61 on insulating body, conducting bar 6 is connected with screw rod 9 thread segment ends, and conducting bar 6 position in the axial direction of screw rod 9 is fixed and screw rod 9 can rotate around its axis, on conducting bar 6, be also provided with the guide post hole with guide post 7 matched in clearance, the nut end of screw rod 9 and thread segment end lay respectively at outside and the inner side of upper cover 4, on screw rod 9 in upper cover 4 outsides, be also provided with the lock nut 8 being threaded with screw rod 9, between described lock nut 8 and upper cover 4, be also provided with sealing ring 10.
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 sealing gasket 33 arranging, sealing ring 10 adopts the fluorubber with favorable elasticity and resistance to polarity, screw rod 9 is connected by a hinged ball-joint that is arranged on screw rod 9 ends with conducting bar 6, and for ease of better realizing the sealing effectiveness of sealing ring 10, it is smooth transition section that screw rod 9 is set to end of thread interlude, sealing ring 10 is positioned in time smooth transition section with the points of engagement of screw rod 9, to eliminate the impact of screw thread on sealing ring 10 sealing properties on screw rod 9, contact 24 is set to inlet wire and occurs that cable the end of a thread is directly connected.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as Fig. 1 to Fig. 5, 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 12 that are connected with upper cover 4 bolts or screw for base 1, described threaded block 12 is the internal thread metallic sheath being embedded on base 1, and threaded block 12 described in the present embodiment is for arranging female copper sheathing.
Embodiment 3:
The present embodiment is further qualified on the basis of embodiment 1, as Fig. 1 to Fig. 5, 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 housing seal circle.
Embodiment 4:
The present embodiment is further qualified on the basis of above embodiment, as Fig. 1 to Fig. 5, 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 13, described holder 13 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, as Fig. 1 to Fig. 5, for ease of being connected of contact 24 and cable, simplify contact 24 structure with prevent that bonding jumper 61 from contacting with other conductive components, affect the stability that circuit of the present invention switches on and off, described wire connecting portion 2 also comprises terminal block 23, outgoing line side 22 and inlet wire side 21 are the groove being arranged on terminal block 23, two grooves axisymmetricly, contact 24 is zigzag, and on contact 24, be provided with the end of a thread hole and line ball bolt, contact 24 is arranged in pairs in two grooves, and the upper end of all contacts 24 is all positioned at same plane.
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 (6)
1. a mine termination, 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 (11), 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 (11), be also provided with wire connecting portion (2), described wire connecting portion (2) comprises inlet wire side (21), outgoing line side (22) and conducting bar (6), on described inlet wire side (21) and outgoing line side (22), be provided with at least one contact (24), and the contact (24) in inlet wire side (21) is symmetrical arranged in pairs with the contact (24) on outgoing line side (22),
On described upper cover (4), be also fixed with guide post (7), on upper cover (4), be also provided with the screw rod (9) that one-tenth is threaded with it, described screw rod (9) is parallel with guide post (7) axis, conducting bar (6) comprises insulating body and is arranged on the bonding jumper (61) on insulating body, conducting bar (6) is connected with screw rod (9) thread segment end, and conducting bar (6) fixes in the axially upper position of screw rod (9) and screw rod (9) can rotate around its axis, on conducting bar (6), be also provided with the guide post hole with guide post (7) matched in clearance, the nut end of screw rod (9) and thread segment end lay respectively at outside and the inner side of upper cover (4), on screw rod (9) in upper cover (4) outside, be also provided with the lock nut (8) being threaded with screw rod (9), between described lock nut (8) and upper cover (4), be also provided with sealing ring (10).
2. a kind of mine termination according to claim 1, it is characterized in that, on described base (1), be fixed with multiple threaded blocks (12) that are connected with upper cover (4) bolt or screw for base (1), described threaded block (12) is the internal thread metallic sheath being embedded on base (1).
3. a kind of mine termination 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 housing seal circle.
4. a kind of mine termination according to claim 1, is characterized in that, is also provided with reinforcement (5) on described upper cover (4).
5. a kind of mine termination according to claim 1, it is characterized in that, on described base (1) or upper cover (4), be also provided with holder (13), described holder (13) 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 a kind of mine termination described in any one in claim 1 to 5, it is characterized in that, described wire connecting portion (2) also comprises terminal block (23), outgoing line side (22) and inlet wire side (21) are the groove being arranged on terminal block (23), axisymmetricly, contact (24) is zigzag to two grooves, and is provided with the end of a thread hole and line ball bolt on contact (24), contact (24) is arranged in pairs in two grooves, and the upper end of all contacts (24) is all positioned at same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410351708.1A CN104113028A (en) | 2014-07-23 | 2014-07-23 | Mine wiring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410351708.1A CN104113028A (en) | 2014-07-23 | 2014-07-23 | Mine wiring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104113028A true CN104113028A (en) | 2014-10-22 |
Family
ID=51709717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410351708.1A Pending CN104113028A (en) | 2014-07-23 | 2014-07-23 | Mine wiring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104113028A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107872036A (en) * | 2017-11-07 | 2018-04-03 | 张家港市联盛塑业有限公司 | A kind of pre-buried type wiring back box |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101158528B1 (en) * | 2012-04-04 | 2012-06-20 | 강용주 | Explosion-proof high-voltage terminal box |
| CN202474385U (en) * | 2012-01-17 | 2012-10-03 | 浙江侨泰电力设备有限公司 | Service conductor device with protective cover |
| CN203026659U (en) * | 2012-12-20 | 2013-06-26 | 刘耀隆 | Twisted type lead wire connector |
| CN203056489U (en) * | 2013-01-22 | 2013-07-10 | 浙江正安防爆电气有限公司 | Novel conjunction box |
| CN203632148U (en) * | 2013-12-31 | 2014-06-04 | 绍兴国通空调设备有限公司 | A junction box used for air-conditioner circuit wiring |
| CN203967670U (en) * | 2014-07-23 | 2014-11-26 | 四川天微电子有限责任公司 | A kind of mine terminal box |
-
2014
- 2014-07-23 CN CN201410351708.1A patent/CN104113028A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202474385U (en) * | 2012-01-17 | 2012-10-03 | 浙江侨泰电力设备有限公司 | Service conductor device with protective cover |
| KR101158528B1 (en) * | 2012-04-04 | 2012-06-20 | 강용주 | Explosion-proof high-voltage terminal box |
| CN203026659U (en) * | 2012-12-20 | 2013-06-26 | 刘耀隆 | Twisted type lead wire connector |
| CN203056489U (en) * | 2013-01-22 | 2013-07-10 | 浙江正安防爆电气有限公司 | Novel conjunction box |
| CN203632148U (en) * | 2013-12-31 | 2014-06-04 | 绍兴国通空调设备有限公司 | A junction box used for air-conditioner circuit wiring |
| CN203967670U (en) * | 2014-07-23 | 2014-11-26 | 四川天微电子有限责任公司 | A kind of mine terminal box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107872036A (en) * | 2017-11-07 | 2018-04-03 | 张家港市联盛塑业有限公司 | A kind of pre-buried type wiring back box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141022 |