CN201937053U - Mine anti-loose connection device - Google Patents
Mine anti-loose connection device Download PDFInfo
- Publication number
- CN201937053U CN201937053U CN2010206825043U CN201020682504U CN201937053U CN 201937053 U CN201937053 U CN 201937053U CN 2010206825043 U CN2010206825043 U CN 2010206825043U CN 201020682504 U CN201020682504 U CN 201020682504U CN 201937053 U CN201937053 U CN 201937053U
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- CN
- China
- Prior art keywords
- connector
- binding post
- loose
- hole
- cable
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a mine anti-loose connection device, which comprises a binding post, a connector and a limiting base. One end of the connector is provided with a connection hole used for wire pressing and the other end of the connector is provided with a hole. The binding post is inserted into the hole, and conductive spring pieces are arranged inside the binding post and the hole. The limiting base is fixed on the upper portion of the connector through a hinge pin; the connector is coated with an insulation sleeve. By utilizing quick plug connection of the binding post and the connector and the limiting base for anti-loose and anti-rotation, the mine anti-loose connection device not only prevents cable connectors from looseness, but also is simple in structure and convenient to use.
Description
Technical field
The utility model relates to a kind of anti-loose termination, relates in particular to a kind of mining anti-loose termination.
Background technology
The underground mine use electric equipment adopts screw or slotting formula binding post that main chamber is electrically connected with wire connection cavity more at present, and the binding post of wire connection cavity adopts nut that cable is compressed with the connection of cable.There is following problem in such connected mode:
1, the pretightning force biconditional operation personnel of nut have much relations, and the tightness difference of different operating personnel's fastening nuts makes the effect that contacts between cable and the screw binding post have very big gap.
2, electrical installation majority in colliery all is high-power big electric current, and the electric power that big electric current produces by electric equipment makes the nut pretightning force reduce to fluff to the effect of nut.Thereby cause virtual connection between cable and the binding post, stay potential safety hazard.
3, most electric equipments all are to be installed in flat car or directly to be placed on the track the constantly passing forward along with needs by the cable serial connection under the coal mine.The pulling force of this propelling can act directly on cable and binding post junction sometimes, has this state for a long time, cable is dragged from binding post taken off easily.Just directly influence the safety and the production in colliery in case come off.
Because coal mining is the high-risk industry.And the electric current of switch generally all is tens to pacify the electric current to hundreds of peace, and voltage also can reach 10KV.The situation that the connecting portion of cable in a single day virtual connection takes place or comes off not only influences the ordinary production in colliery, more threatens underground labour's life security.
In sum, there is potential safety hazard in the mode that the colliery electrical installation uses nut to compress binding post and cable, so the mode that this nut compresses is improved just extremely urgent.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of mining anti-loose termination, prevents that cable joint from getting loose, and simple in structure, easy to use.
The utility model is to solve the problems of the technologies described above the technical scheme that adopts to provide a kind of mining anti-loose termination, comprise binding post, wherein, described mining anti-loose termination also comprises connector and limit base, one end of described connector is provided with the wiring hole that is used for line ball, the other end is provided with perforate, described binding post inserts in the described perforate, be provided with electroconductive elastic sheet in described binding post and the described perforate, described limit base is fixed on the top of described connector by bearing pin, and described connector is coated with insulating case.
Above-mentioned mining anti-loose termination, wherein, described binding post is the silver-plated conducting rod of red copper.
The utility model contrast prior art has following beneficial effect: the mining anti-loose termination that the utility model provides, by changing the connected mode that original nut directly compresses, use the fast socket connection of binding post and connector, and prevent to get loose and rotate by limit base, realize that main chamber is connected with the flameproof electrical of wire connection cavity.Not only connect reliably, solved the cable joint problem that gets loose, and simple in structure, easy to use.
Description of drawings
Fig. 1 is the mining anti-loose termination structural representation of the utility model;
Fig. 2 be among Fig. 1 A to view;
Fig. 3 is the cutaway view of connector in the mining anti-loose termination of the utility model.
Among the figure:
1 binding post, 2 insulating cases, 3 wire heads
6 split pins of 4 limit bases, 5 bearing pins
7 electroconductive elastic sheets
Embodiment
The utility model will be further described below in conjunction with drawings and Examples.
Fig. 1 is the mining anti-loose termination structural representation of the utility model; Fig. 2 be among Fig. 1 A to view.
See also Fig. 1 and Fig. 2, the mining anti-loose termination that the utility model provides comprises binding post 1, connector (wrapping in the insulating case 2) and limit base 4, one end of described connector is provided with the wiring hole that is used for line ball, the other end is provided with perforate, and described binding post 1 inserts in the described perforate, is provided with electroconductive elastic sheet 7 in described binding post 1 and the described perforate, described limit base 4 is fixed on the top of described connector by bearing pin 5, and described connector is coated with insulating case 2.Bearing pin 5 can further be fixed by split pin 6.
The mining anti-loose termination that the utility model provides is changed into by the connector transition by the mode that direct employing nut compresses cable core.Connect the wiring hole that first end is useful on line ball, wire head 3 is inserted in the wiring hole of connectors, the wiring hole of connector firmly is pressed into cable core with specific purpose tool.The perforate of the connector other end is used to insert binding post 1, adopts electroconductive elastic sheet 7 in the hole.Electroconductive elastic sheet has good springiness, and the characteristics that conductivity is strong under any circumstance all can make connector well contact with binding post, and connector top can be installed limit base 4 and be prevented that connector from coming off and rotation simultaneously.
Above-mentioned anti-loose termination, adopt specific purpose tool to utilize the pressure mode to clamp core and connector, can make core and connector have enough intensity, long-pending to guarantee conductive contact surfaces, and enough intensity also can make core and connector contact site bear certain pulling force.Connector is connected in the hole of side with binding post, have sufficient length and flexible spring to guarantee conductive area, the limit base that has simultaneously, even make connector be subjected to the effect of pulling force, with can not produce length travel with binding post, and under the effect that is subjected to pulling force, the elasticity that shell fragment had can guarantee that connector and binding post still keep enough contacts area.The pulling force that cable is subjected to is delivered to binding post by connector, produces active force radially on binding post, unless binding post is broken, otherwise binding post and connector can not get loose.Select the limit base 4 of different model, can realize that being connected of connector and binding post 1 can 360 ° of directions rotations, therefore can be according to the line ball hole direction of the bell-mouthed position adjustments connector of outlet, make things convenient for cable arrangements and can crooked generation stress.
The mining anti-loose termination specific implementation process that the utility model provides is as follows;
1) according to wiring direction in the wire connection cavity, termination is put into wire connection cavity, in the hole on the insertion end daughter board, fix, guarantee that binding post 1 is fixing with soket head cap screw by the hole;
2) cable and cable end are compressed with specific purpose tool, put heat-shrink tube, connector is connected with cable closely, cable is introduced wire connection cavity, and cable end inserted termination top, and the connector of this product is high-tech advanced person's an import element, product surface is silver-plated, the embedded shell fragment of patchhole can effectively guarantee the compactness that connects, with electric conductivity;
3) limit base 4 is inserted in binding post 1 by direction, and is fixed, can prevent that just binding post is subjected to the change of occurrence positions under the effect of electric power or external force with bearing pin 5 and split pin 6, safe and reliable easy and simple to handle.
Though the utility model discloses as above with preferred embodiment; right its is not in order to limit the utility model; any those skilled in the art; in not breaking away from spirit and scope of the present utility model; when doing a little modification and perfect, therefore protection range of the present utility model is worked as with being as the criterion that claims were defined.
Claims (2)
1. mining anti-loose termination, comprise binding post (1), it is characterized in that, described mining anti-loose termination also comprises connector and limit base (4), one end of described connector is provided with the wiring hole that is used for line ball, the other end is provided with perforate, described binding post (1) inserts in the described perforate, be provided with electroconductive elastic sheet in described binding post (1) and the described perforate, described limit base (4) is fixed on the top of described connector by bearing pin (5), and described connector is coated with insulating case (2).
2. mining anti-loose termination as claimed in claim 1 is characterized in that, described binding post (1) is the silver-plated conducting rod of red copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206825043U CN201937053U (en) | 2010-12-28 | 2010-12-28 | Mine anti-loose connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206825043U CN201937053U (en) | 2010-12-28 | 2010-12-28 | Mine anti-loose connection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201937053U true CN201937053U (en) | 2011-08-17 |
Family
ID=44448562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206825043U Expired - Lifetime CN201937053U (en) | 2010-12-28 | 2010-12-28 | Mine anti-loose connection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201937053U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157819A (en) * | 2010-12-28 | 2011-08-17 | 电光防爆科技（上海）有限公司 | Mine-used anti-loosening wire connection device |
| CN109378618A (en) * | 2018-11-29 | 2019-02-22 | 天津华宁电子有限公司 | A kind of push-in flame-proof mine fiber optic cable connectors |
-
2010
- 2010-12-28 CN CN2010206825043U patent/CN201937053U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157819A (en) * | 2010-12-28 | 2011-08-17 | 电光防爆科技（上海）有限公司 | Mine-used anti-loosening wire connection device |
| CN109378618A (en) * | 2018-11-29 | 2019-02-22 | 天津华宁电子有限公司 | A kind of push-in flame-proof mine fiber optic cable connectors |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110817 |
|
| CX01 | Expiry of patent term |