CN201075625Y - Electric power line branch equipment - Google Patents
Electric power line branch equipment Download PDFInfo
- Publication number
- CN201075625Y CN201075625Y CNU2007201142931U CN200720114293U CN201075625Y CN 201075625 Y CN201075625 Y CN 201075625Y CN U2007201142931 U CNU2007201142931 U CN U2007201142931U CN 200720114293 U CN200720114293 U CN 200720114293U CN 201075625 Y CN201075625 Y CN 201075625Y
- Authority
- CN
- China
- Prior art keywords
- bus
- branch line
- bolt
- conducting base
- power circuit
- 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 - Fee Related
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- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The utility model relates to a power line branch device, comprising a base, a top cover, two or more branch line terminations, and the electric base body and the bus tapping-off device with the same number as the branch line terminations, one end of the electric base body is connected with the branch line termination, the other end of the electric base body is connected with the bus tapping-off device, the bus tapping-off device is composed of a bolt, a clamping plate and a bus position base, a bus position groove is arranged at one end of the upper surface of the bus position base, two or more than two grooves with different diameters are arranged on the lower surface of the clamping plate. The purpose of enlarging the crimping scope of the bus can be achieved only by rotating the clamping plate horizontally.
Description
Technical field
The utility model relates to a kind of footpath scope very wide power circuit splitter of striding, and is particularly suitable for doing on-the-spot branch in the power circuit of single-phase, three-phase and four-line and Three-phase five-wire, can replace prefabricated branch and other some branch's methods of attachment within the specific limits.
Background technology
Power circuit branch units such as existing house lead in wire clamp, shunting copper cash card exist the bus tapping device, and to stride the footpath scope little, mechanical structure is unreasonable during connection, loosening when easily causing the joint thermal cycle, hour crimping is not tight in bus line footpath, it is important in the vertical direction of fastening bolt axis crimp force to occur when connecting big line footpath bus, cause the resistance of bus tap end to increase, even burning joint, its Branch connection terminal exists that crimping is tight, contact area is too small, stride little, easy loosening, the shortcoming such as versatility is poor, the secured electrical gap is too small of footpath scope.
Compared with prior art, the utility model provides that a kind of bus strides that the footpath is in extensive range, contact resistance is little, temperature rise is low, the electrical safety gap is big, the rational class of insulation of mechanical structure is greater than the power circuit splitter of bus.When doing circuit branch, simple to operate, safety, branch end threading easily, connect fastening, stride that the footpath scope is big, contact resistance is little, technological merit is very obvious.
Summary of the invention
For achieving the above object, the solution that the utility model is taked is as follows: the power circuit splitter, comprise pedestal, loam cake, two or more branch line terminations, with the same number of conducting base of branch line termination and bus tapping device.Described bus tapping device is made of bolt, pressing plate and bus location positioning pedestal, one end of described bus positioning pedestal upper surface is provided with the bus detent, the other end is provided with the raised line parallel with the bus detent, described pressing plate lower surface is provided with the different groove of two or more diameters, and upper surface is camber.Described branch line termination is located at an end of pedestal, constitute by press strip, bolt, bolt, back-moving spring and branch line location hole, described press strip is " U " type, one end places between nut and the back-moving spring, the other end places in the branch line location hole, have chamfering around the corner, can be provided with the metal squared circle in the branch line location hole.Described conducting base is " Z " type, and two turnings are 90 degree, and conducting base one end and branch line termination join, and the other end joins with corresponding bus tapping device.Being used for the bolt brain head of fastening bus tapping device and two limits of conducting base relies closely.
Description of drawings
Fig. 1 is an example structure schematic diagram (opening loam cake)
Fig. 2 is embodiment cutaway view (B-B)
Fig. 3 is the cutaway view (A-A) of bus positioner center platen
Embodiment
(invention) describes in further detail to the utility model below in conjunction with accompanying drawing embodiment.
Present embodiment comprises an engineering plastics housing 5 that insulation is fire-retardant, four bus tapping devices and four corresponding respectively with it branch line terminations, link to each other by conducting base 4 between the two, and cover lid 6 with material, integral body is withstand voltage presses 1000 volts of low-voltage electricals designs, so the working stability of splitter is reliable.Described conducting base 4 is " Z " type, two turnings are 90 degree, and an end is connected with the bus tapping device, and the other end links to each other with the branch line termination, the branch line termination is located at an end of pedestal 5, is made of press strip 2, bolt 15, bolt 17, back-moving spring 1 and branch line location hole 13.Described press strip 2 is " U " type, opening part one end places between the nut and back-moving spring 1 of bolt 15, the other end places in the branch line location hole 13, has chamfering 23 around the corner, press strip chamfering 23 has the effect of guiding, allow offset easily penetrate wiring hole, in the branch line location hole, be provided with metal squared circle 3, the downside inwall of metal squared circle 3 closely links to each other with corresponding conducting base 4, described square ring 3 has increased the conductive area and the heat-sinking capability of conducting base 4 greatly, tight a bolt 15 and bolt 17 just can realize firm connection.The bus tapping device is by bolt 12, pressing plate 7 and bus positioning pedestal 22 constitute, one end of described bus positioning pedestal 22 upper surfaces is provided with bus detent 8, the centre has vertical through hole 18, the other end is provided with the raised line 10 that is parallel to described bus detent 8, have ellipse hole 21 in the middle of the described pressing plate 7, lower surface is provided with groove 9 and the groove 14 that two diameters are different and be parallel to each other, upper surface is curved, bolt 12 successively passes through hole 18 and elliptical hole 21, and by plain cushion 11, bullet pad 20 and nut 19 compress, adopted reducing to join and lever principle, the contact point of groove 9 and raised line 10 has constituted fulcrum, this fulcrum cooperates the camber back side design of bus pressing plate 7, make bus in crimped status, clamp nut 19 and plain cushion 11, bullet pad 20 all the time can be tangent with the camber back side of bus pressing plate 7, make the pressure maintenance and the pedestal of clamp nut perpendicular, parallel with the axis of bolt, eliminate the horizontal component of pressure, raised line 10 has played the effect of analog conducting wire simultaneously, make compression bonding apparatus the right and left balance, adapt to the requirement in the multiple line of bus footpath, groove 9 and 14 has adopted the design of reducing camber line simultaneously, pressing plate 7 can be done level 180 degree rotations, allow groove 9 and 14 do displacement, enlarged the crimping scope of bus greatly.Two limits of bolt brain head 16 and conducting base 4 rely closely, and have lowered the stressed of engineering plastics bodies greatly, have improved coefficient of safety.
Claims (8)
1. power circuit splitter, comprise pedestal (5), loam cake (6), two or more branch line terminations, with the same number of conducting base of branch line termination (4) and bus tapping device, described conducting base (4) one ends and described branch line termination join, the other end and described bus tapping device join, it is characterized in that described bus tapping device is by bolt (12), pressing plate (7) and bus location positioning pedestal (22) constitute, one end of described bus positioning pedestal (22) upper surface is provided with bus detent (8), and described pressing plate (7) lower surface is provided with the different groove of two or more diameters.
2. power circuit splitter according to claim 1, it is characterized in that described pressing plate (7) central authorities are provided with a vertical ellipse through hole (21), groove (9) and the groove (10) of groove that described diameter is different for being located at described vertical ellipse through hole (21) both sides and being parallel to each other.
3. power circuit splitter according to claim 2, it is characterized in that being provided with the raised line (10) that parallels with the bus detent at bus positioning pedestal (22) away from a side of bus detent (8), the position of raised line (10) is corresponding with groove (9).
4. power circuit splitter according to claim 3 rises and is characterised in that the upper surface of pressing plate (7) is a camber.
5. according to the described power circuit splitter of arbitrary claim in the claim 1 to 4, it is characterized in that the branch line termination is made of press strip (2), bolt (15), bolt (17), back-moving spring (1) and branch line location hole (13), described press strip (2) is " U " type, one end places between nut and the back-moving spring, the other end places in the branch line location hole (13), has chamfering (23) around the corner.
6. branch line termination according to claim 5 is characterized in that being provided with metal squared circle (3), an end close proximity of the downside inwall of described metal squared circle (3) and conducting base (4) in branch line location hole (13).
7. according to claim 1,2,3,4 or 6 described branch line terminations, it is characterized in that described conducting base (4) is " Z " type, two turnings are 90 degree, and two limits of bolt brain head (16) and conducting base (4) rely closely.
8. branch line termination according to claim 5 is characterized in that described conducting base (4) is " Z " type, and two turnings are 90 degree, and two limits of bolt brain head (16) and conducting base (4) rely closely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201142931U CN201075625Y (en) | 2007-09-05 | 2007-09-05 | Electric power line branch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201142931U CN201075625Y (en) | 2007-09-05 | 2007-09-05 | Electric power line branch equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201075625Y true CN201075625Y (en) | 2008-06-18 |
Family
ID=39520882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201142931U Expired - Fee Related CN201075625Y (en) | 2007-09-05 | 2007-09-05 | Electric power line branch equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201075625Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107978874A (en) * | 2017-10-23 | 2018-05-01 | 国网浙江省电力公司丽水供电公司 | Bunched cable binding clip |
-
2007
- 2007-09-05 CN CNU2007201142931U patent/CN201075625Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107978874A (en) * | 2017-10-23 | 2018-05-01 | 国网浙江省电力公司丽水供电公司 | Bunched cable binding clip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080618 Termination date: 20091009 |