CN203929835U - A kind of connection box of electric energy meter terminal - Google Patents
A kind of connection box of electric energy meter terminal Download PDFInfo
- Publication number
- CN203929835U CN203929835U CN201420365987.2U CN201420365987U CN203929835U CN 203929835 U CN203929835 U CN 203929835U CN 201420365987 U CN201420365987 U CN 201420365987U CN 203929835 U CN203929835 U CN 203929835U
- Authority
- CN
- China
- Prior art keywords
- conductive pole
- electric energy
- energy meter
- connection box
- ring terminal
- 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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Abstract
The utility model discloses a kind of connection box of electric energy meter terminal, the conductive pole of described ring terminal cavity is axially run through in ring terminal, one end of comprising several adjacent settings, and is arranged at described ring terminal top for compressing the interior hexagonal fine-pitch screw of the access wire that is arranged on described conductive pole bottom.The setting of the conductive pole of several ring terminals and ring terminal cavity, increased and be pressed on the access wire of conductive pole bottom and the contact area of ring terminal, effectively reduce connection resistance, the setting of interior hexagonal fine-pitch screw, making to access wire locks reliable and stable and should not come off, the utility model wiring is reliable and stable, can effectively increase wiring area and reduce connection resistance.
Description
Technical field
The utility model relates to electric energy meter technical field, relates in particular to a kind of connection box of electric energy meter terminal.
Background technology
When the wiring of conventional electric energy meter, by Fig. 1, we may find out the outside access conductor part of wire 3 and the fixed form of terminal 1: only have the bottom surface of screw 2 and access wire 3 to compress, because contact area is little, and because screw itself adopts steel processing, so conductance is much smaller than copper, (resistivity of copper is 17 ρ/n Ω m left and right, and the resistivity of iron is 100 ρ/n Ω m left and right), therefore wiring reliability is very poor, and connection resistance value is larger.
Utility model content
Of the present utility modelly provide a kind of wiring reliable and stable, effectively increased wiring area and effectively reduce the connection box of electric energy meter terminal of connection resistance.
For reaching this object, the utility model by the following technical solutions:
A kind of connection box of electric energy meter terminal, the conductive pole of described ring terminal cavity is axially run through in ring terminal, one end of comprising several adjacent settings, and is arranged at described ring terminal top for compressing the interior hexagonal fine-pitch screw of the access wire that is arranged on described conductive pole bottom.
Wherein, the inner bottom surface of described ring terminal cavity is to lower convexity and the setting that is in the shape of the letter V.
Wherein, described ring terminal is that metal is one-body molded.
Wherein, the top of described ring terminal is provided with the threaded hole matching with described interior hexagonal fine-pitch screw.
Wherein, the xsect of described conductive pole is rectangle, and described conductive pole matches with described ring terminal cavity.
Wherein, the other end of described conductive pole is connected with electric energy meter inner member.
Wherein, the cross-sectional area of the accommodation space between the bottom surface of described conductive pole and described ring terminal cavity inner bottom surface is greater than 2 square millimeters and is less than 80 square millimeters.
Wherein, the end face of the afterbody of described interior hexagonal fine-pitch screw and the upper surface of described conductive pole fit.
Wherein, the afterbody of described interior hexagonal fine-pitch screw is provided with the annular flange flange being articulated with described conductive pole.
Wherein, described annular flange flange matches with the elongated slot that is arranged on described conductive pole upper surface.
The beneficial effects of the utility model: the utility model comprises that the ring terminal of several adjacent settings, one end axially run through the conductive pole of described ring terminal cavity, and be arranged at described ring terminal top for compressing the interior hexagonal fine-pitch screw of the access wire that is arranged on described conductive pole bottom.The setting of the conductive pole of several ring terminals and ring terminal cavity, increased and be pressed on the access wire of conductive pole bottom and the contact area of ring terminal, effectively reduce connection resistance, the setting of interior hexagonal fine-pitch screw, making to access wire locks reliable and stable and should not come off, the utility model wiring is reliable and stable, can effectively increase wiring area and reduce connection resistance.
Accompanying drawing explanation
Fig. 1 is the shaft side figure of a kind of connection box of electric energy meter terminal under prior art.
Fig. 2 is the structural representation of a kind of xsect of connection box of electric energy meter terminal under prior art.
Fig. 3 is the shaft side figure of a kind of connection box of electric energy meter terminal of the utility model.
Fig. 4 is the structural representation of the xsect of a kind of connection box of electric energy meter terminal of the utility model.
Fig. 5 be in Fig. 3 in the structural representation of hexagonal fine-pitch screw and the conductive pole xsect while being articulated.
In figure: 1. terminal, 2. screw, 3. access wire, 4. conductive pole, 5. ring terminal, 6. interior hexagonal fine-pitch screw, 7. annular flange flange.
Embodiment
Below in conjunction with accompanying drawing 3 to accompanying drawing 5 and further illustrate the technical solution of the utility model by embodiment.
A kind of connection box of electric energy meter terminal, comprise that ring terminal 5, one end of two adjacent settings axially run through the conductive pole 4 of described ring terminal 5 cavitys, and be arranged at described ring terminal 5 tops for compressing the interior hexagonal fine-pitch screw 6 of the access wire 3 that is arranged on described conductive pole 4 bottoms.By the tail end compression of interior hexagonal fine-pitch screw 6, be plugged in the conductive pole 4 in ring terminal 5 cavitys, can effectively increase the snap-in force of the access wire that is pressed on conductive pole 4 belows, make to compress reliable and stable, also increased wiring area, and then effectively reduced connection resistance, simultaneously simultaneously, the thread helix lift angle of interior hexagonal fine-pitch screw 6 is less, self-locking performance is better, therefore makes the reliable and stable compression conductive pole of interior hexagonal fine-pitch screw 6, and should not come off.
The inner bottom surface of described ring terminal 5 cavitys is to lower convexity and the setting that is in the shape of the letter V.This structural design, has increased the contact area between access wire and ring terminal, and then has effectively reduced connection resistance.
Described ring terminal 5 is that metal is one-body molded.This structural design, technique is simple, easy to process quick.
The top of described ring terminal 5 is provided with the threaded hole matching with described interior hexagonal fine-pitch screw 6.
The xsect of described conductive pole 4 is rectangle, and described conductive pole 4 matches with described ring terminal 5 cavitys.As preferred embodiment, the conductive pole in the utility model adopts the good H59 brass of electrical conductivity, thereby effectively reduces connection resistance.
The other end of described conductive pole 4 is connected with electric energy meter inner member.
The cross-sectional area of the accommodation space between the bottom surface of described conductive pole 4 and described ring terminal 5 cavity inner bottom surfaces is greater than 2 square millimeters and is less than 80 square millimeters.This structural design, makes connection box of electric energy meter terminal can contain the direct access of the access wire below 200A electric current, and without adopting metering mutual inductor to change, convenient and swift.
The upper surface of the end face of the afterbody of described interior hexagonal fine-pitch screw 6 and described conductive pole 4 fits.
The afterbody of described interior hexagonal fine-pitch screw 6 is provided with the annular flange flange 7 being articulated with described conductive pole 4.
Described annular flange flange 7 matches with the elongated slot that is arranged on described conductive pole 4 upper surfaces.As another preferred implementation of the present utility model, this structural design, when hexagonal fine-pitch screw 6 rotates in rotation, can drive conductive pole to move up and down, and then conveniently access the access of wire or split out.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Explanation based on herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, within these modes all will fall into protection domain of the present utility model.
Claims (10)
1. a connection box of electric energy meter terminal, it is characterized in that, comprise that ring terminal (5), one end of several adjacent settings axially run through the conductive pole (4) of described ring terminal (5) cavity, and be arranged at described ring terminal (5) top for compressing the interior hexagonal fine-pitch screw (6) of the access wire (3) that is arranged on described conductive pole (4) bottom.
2. a kind of connection box of electric energy meter terminal according to claim 1, is characterized in that: the inner bottom surface of described ring terminal (5) cavity is to lower convexity and the setting that is in the shape of the letter V.
3. a kind of connection box of electric energy meter terminal according to claim 1, is characterized in that: described ring terminal (5) is that metal is one-body molded.
4. a kind of connection box of electric energy meter terminal according to claim 1, is characterized in that: the top of described ring terminal (5) is provided with the threaded hole matching with described interior hexagonal fine-pitch screw (6).
5. a kind of connection box of electric energy meter terminal according to claim 1, is characterized in that: the xsect of described conductive pole (4) is rectangle, and described conductive pole (4) matches with described ring terminal (5) cavity.
6. a kind of connection box of electric energy meter terminal according to claim 1, is characterized in that: the other end of described conductive pole (4) is connected with electric energy meter inner member.
7. a kind of connection box of electric energy meter terminal according to claim 1, is characterized in that: the cross-sectional area of the accommodation space between the bottom surface of described conductive pole (4) and described ring terminal (5) cavity inner bottom surface is greater than 2 square millimeters and is less than 80 square millimeters.
8. a kind of connection box of electric energy meter terminal according to claim 1, is characterized in that: the upper surface of the end face of the afterbody of described interior hexagonal fine-pitch screw (6) and described conductive pole (4) fits.
9. a kind of connection box of electric energy meter terminal according to claim 1, is characterized in that: the afterbody of described interior hexagonal fine-pitch screw (6) is provided with the annular flange flange (7) being articulated with described conductive pole (4).
10. a kind of connection box of electric energy meter terminal according to claim 9, is characterized in that: described annular flange flange (7) matches with the elongated slot that is arranged on described conductive pole (4) upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420365987.2U CN203929835U (en) | 2014-07-03 | 2014-07-03 | A kind of connection box of electric energy meter terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420365987.2U CN203929835U (en) | 2014-07-03 | 2014-07-03 | A kind of connection box of electric energy meter terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203929835U true CN203929835U (en) | 2014-11-05 |
Family
ID=51825633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420365987.2U Expired - Fee Related CN203929835U (en) | 2014-07-03 | 2014-07-03 | A kind of connection box of electric energy meter terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203929835U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025607A (en) * | 2016-07-20 | 2016-10-12 | 滨州市通联电器有限公司 | Wiring terminal for electric cabinet |
| CN107305978A (en) * | 2016-04-22 | 2017-10-31 | 上海灵天电气有限公司 | A kind of insulated connectors |
| CN107703339A (en) * | 2017-11-06 | 2018-02-16 | 杭州华春科技有限公司 | Electricity getting device |
| CN112038781A (en) * | 2020-09-07 | 2020-12-04 | 上海航天科工电器研究院有限公司 | Locking wire contact piece for preventing screw from being separated |
-
2014
- 2014-07-03 CN CN201420365987.2U patent/CN203929835U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107305978A (en) * | 2016-04-22 | 2017-10-31 | 上海灵天电气有限公司 | A kind of insulated connectors |
| CN107305978B (en) * | 2016-04-22 | 2020-09-18 | 上海灵天电气有限公司 | Insulating connector |
| CN106025607A (en) * | 2016-07-20 | 2016-10-12 | 滨州市通联电器有限公司 | Wiring terminal for electric cabinet |
| CN107703339A (en) * | 2017-11-06 | 2018-02-16 | 杭州华春科技有限公司 | Electricity getting device |
| CN107703339B (en) * | 2017-11-06 | 2023-11-03 | 杭州华春科技有限公司 | Electricity taking device |
| CN112038781A (en) * | 2020-09-07 | 2020-12-04 | 上海航天科工电器研究院有限公司 | Locking wire contact piece for preventing screw from being separated |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20190703 |