CN210037905U - Bypass type junction box - Google Patents
Bypass type junction box Download PDFInfo
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- CN210037905U CN210037905U CN201920760179.9U CN201920760179U CN210037905U CN 210037905 U CN210037905 U CN 210037905U CN 201920760179 U CN201920760179 U CN 201920760179U CN 210037905 U CN210037905 U CN 210037905U
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Abstract
The embodiment of the utility model discloses a bypass type junction box, which comprises a box body, wherein the upper part of the box body is provided with a cover body through a locking nut; the inside of box body is provided with electric current wiring piece and voltage wiring piece, the inside of electric current wiring piece and voltage wiring piece all is provided with the wiring groove that extends to the box body lateral wall, the inside of wiring groove is provided with opening fastener up, and be used for bearing the double-layered wire casing of fastener, the end-to-end connection of wiring groove has opening wire hole up, the inside of wire hole is provided with the fastening screw that is used for fixed electric wire tip, the staff can be with the help of bypass formula terminal box, the voltage with the measurement, electric current circuit switches on in inserting bypass formula terminal box, bypass formula terminal box inner structure has guaranteed the mutual short circuit between the current transformer secondary circuit, the voltage line can the snap-on in the terminal box, the operation of wrapping the insulating tape has been saved, thereby realized carrying out electrified maintenance change to the measurement terminal box, and the work efficiency.
Description
Technical Field
The utility model relates to a terminal box technical field especially relates to a bypass formula terminal box.
Background
The metering junction box is a special junction box in a standard junction box of an electric energy metering device, is also suitable for a secondary loop with rated voltage of 660V and rated current of 20A, and is used for safely exchanging or on-site inspecting electric energy meters, electric instruments, leakage protection and other electrical equipment under the condition of load, thereby ensuring personal operation safety and improving on-site working efficiency.
At the present stage, when a constructor maintains and replaces a non-wiring cassette tape CT metering device or a metering junction box, the problems of complex operation, difficult binding of a joint of a voltage line, danger, easy generation of CT open circuit and the like exist; change the terminal box and need the customer cooperation to have a power failure, influence the normal production life of customer, in order to solve above problem, urgently need a portable terminal box of change line box with electricity.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model discloses bypass formula terminal box, the staff can be with the help of bypass formula terminal box, the voltage with the measurement, switch on in the electric current circuit inserts bypass formula terminal box, bypass formula terminal box inner structure has guaranteed the mutual short circuit between the current transformer secondary circuit, the voltage line can the snap-on in the terminal box, the operation of wrapping the insulating sticky tape has been saved, thereby realized carrying out the electrified maintenance to the measurement terminal box and changing, device easy operation, it is very convenient, alleviate staff's intensity of labour greatly, the work efficiency is improved, the personal safety of staff has further been ensured, with inconvenient equipment such as ammeter of changing under the electrified condition of solving in the prior art, and to the relatively troublesome problem of connector lug winding insulating sticky tape.
The embodiment of the utility model provides a bypass type junction box, which comprises a box body, wherein the upper part of the box body is provided with a cover body through a locking nut; the inside of box body is provided with electric current terminal block and voltage terminal block, the inside of electric current terminal block and voltage terminal block all is provided with the wiring groove that extends to the box body lateral wall, the inside in wiring groove is provided with opening fastener up to and is used for bearing the double-layered wire casing of fastener, the end-to-end connection in wiring groove has opening solidus hole up, the inside in solidus hole is provided with the fastening screw who is used for fixed electric wire tip.
Optionally, the fastener includes from supreme symmetrical clamp line portion, spacing portion and the line portion of pushing away that sets up in order down, the clamp line portion is the U type for the card establishes the electric wire diameter portion, the both sides wall of spacing portion is close to each other for prevent that the electric wire from the inside landing of clamp line portion, the lateral wall that pushes away the line portion opens to both sides.
Optionally, the upper end of the wire clamp is connected with a miniature bulb through a wire, the end of the wire penetrates through the wire pushing part from the top, and the end of the wire is connected with the side wall of the wire.
Optionally, the inner wall of the box body is provided with a ridge block, and a threaded hole matched with the locking nut is formed in the ridge block.
Optionally, a transparent viewing area for transmitting light is provided on the cover body.
According to the technical solution provided by the utility model, the embodiment of the utility model has the following advantage:
the utility model discloses make the staff can be with the help of bypass formula terminal box, the voltage with the measurement, switch on in the electric current circuit inserts bypass formula terminal box, bypass formula terminal box inner structure has guaranteed the mutual short circuit between the current transformer secondary circuit, the voltage line can the snap-on in the terminal box, the operation of wrapping the insulating sticky tape has been saved, thereby realized carrying out electrified maintenance change to the measurement terminal box, device easy operation, it is very convenient, alleviate staff's intensity of labour greatly, the work efficiency is improved, the personal safety of staff has further been ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic overall top view structure of the present invention;
fig. 2 is a schematic front structural view of the present invention;
fig. 3 is a schematic side view of the present invention;
fig. 4 is a schematic structural view of the wire clamp of the present invention.
In the figure:
1-box body; 2-locking the nut; 3-a cover body; 4-a current junction block; 5-a voltage junction block; 6-a wiring slot; 7-wire clamp; 8-wire clamping grooves; 9-a wire fixing hole; 10-a fastening screw; 11-an electrical wire; 12-a wire; 13-a miniature bulb; 14-a prism block; 15-a threaded hole; 16-clear viewing zone;
701-a wire clamping part; 702-a limiting portion; 703-push wire portion.
Detailed Description
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 4, the utility model provides a bypass type junction box, which comprises a box body 1, wherein a cover body 3 is arranged on the upper part of the box body 1 through a locking nut 2. Preferably, the inner wall of the box body 1 is provided with a ridge block 14, and a threaded hole 15 matched with the locking nut 2 is formed in the ridge block 14, so that the locking nut 2 can find an acting point in the box body 1. When the equipment in the box body 1 is mounted, the locking nut 2 penetrates through the threaded hole 15 to mount the cover body 3.
The inside of box body 1 is provided with current junction block 4 that is used for connecting the electric current line and is used for connecting the voltage junction block 5 of voltage line, the inside of current junction block 4 and voltage junction block 5 all is provided with the wiring groove 6 that extends to 1 lateral wall of box body, the inside of wiring groove 6 is provided with opening fastener 7 up, and be used for bearing the double-layered wire casing 8 of fastener 7, the end-to-end connection of wiring groove 6 has opening fastener 9 up, the inside of fastener 9 is provided with the fastening screw 10 that is used for the 11 tip of fixed electric wire.
As a preferred embodiment: the electric wire 11 is passed through the wiring groove 6 of the side wall of the box body 1. In the process, the end part of the electric wire 11 firstly passes through the wire clamp 7 and continues to run below the wire fixing hole 9 in the wire connecting groove 6 and is fixed by the fastening screw 10. The voltage line can the snap-on in the terminal box, has saved the operation of wrapping up the insulating tape to realized taking some maintenance to change the measurement terminal box.
The wire clamp 7 comprises a wire clamping portion 701, a limiting portion 702 and a wire pushing portion 703, wherein the wire clamping portion 701, the limiting portion 702 and the wire pushing portion 703 are sequentially and symmetrically arranged from bottom to top, the wire clamping portion 701 is U-shaped and used for clamping an electric wire 11 diameter portion, two side walls of the limiting portion 702 are close to each other and used for preventing the electric wire 11 from sliding down from the inside of the wire clamping portion 701, and the side walls of the wire pushing portion 703 are opened towards two sides. The wire clamp 7 can effectively clamp the wire 11, avoids the situation that a person needs to vacate a hand to fix the wire 11 before installing the fastening screw 10 in the wiring process, greatly reduces the labor intensity of workers, improves the working efficiency and further ensures the personal safety of the workers.
In order to know the wiring condition of the bypass wiring device at the first time, the upper end of the wire clamp 7 is connected with the miniature bulb 13 through the wire 12, the end of the wire 12 penetrates the wire pushing part 703 from the top, and the end of the wire 12 is connected with the side wall of the electric wire 11. The lead 12 is pressed downwards from the wire pushing part 703 until the lower end of the lead 12 is contacted with the electric wire 11, at the moment, the limiting part 702 effectively clamps the electric wire to avoid the lead 12 from falling off, when the miniature bulb 13 is on, the wiring of the bypass device is successful, and the metering junction box can be replaced or maintained with a wire; if the miniature bulb 13 is not lit, further maintenance of the circuit is required. Preferably, the cover 3 is provided with a transparent viewing area 16 for light transmission.
If need change the terminal box, the staff can switch on the voltage of measurement, the current circuit inserts in the bypass formula terminal box with the help of the bypass formula terminal box, bypass formula terminal box inner structure has guaranteed the mutual short circuit between the current transformer secondary circuit, the voltage line can the snap-on in the terminal box, the operation of wrapping the insulating tape has been saved, thereby realized carrying out electrified maintenance change to the measurement terminal box, device easy operation, it is very convenient, alleviate staff's intensity of labour greatly, and the work efficiency is improved, the personal safety of staff has further been ensured.
The above is to the detailed introduction of the bypass terminal box provided by the present invention, to the general technical personnel in this field, according to the utility model discloses the thought, all has the change part on concrete implementation and application scope, to sum up, this description content should not be understood as being right the utility model discloses a restriction.
Claims (5)
1. A bypass terminal block, comprising: the box comprises a box body (1), wherein a cover body (3) is arranged on the upper part of the box body (1) through a locking nut (2); the inside of box body (1) is provided with electric current wiring block (4) and voltage wiring block (5), the inside of electric current wiring block (4) and voltage wiring block (5) all is provided with wiring groove (6) that extend to box body (1) lateral wall, the inside of wiring groove (6) is provided with opening fastener (7) up to and is used for bearing the double-layered wire casing (8) of fastener (7), the end-to-end connection of wiring groove (6) has opening fastener hole (9) up, the inside of fastener hole (9) is provided with fastening screw (10) that are used for fixed electric wire (11) tip.
2. A bypass connector as claimed in claim 1, wherein: fastener (7) include follow supreme symmetrical clamp line portion (701) that sets up in order, spacing portion (702) and push away line portion (703) down, clamp line portion (701) are the U type for the card establishes electric wire (11) diameter portion, the both sides wall of spacing portion (702) is close to each other for prevent that electric wire (11) from pressing from both sides the inside landing of line portion (701), the lateral wall that pushes away line portion (703) opens to both sides.
3. A bypass connector as claimed in claim 2, wherein: the upper end of the wire clamp (7) is connected with a miniature bulb (13) through a lead (12), the end part of the lead (12) penetrates through the wire pushing part (703) from the top, and the end part of the lead (12) is connected with the side wall of the electric wire (11).
4. A bypass connector as claimed in claim 1, wherein: the inner wall of the box body (1) is provided with a ridge block (14), and a threaded hole (15) matched with the locking nut (2) is formed in the ridge block (14).
5. A bypass connector as claimed in claim 1, wherein: the cover body (3) is provided with a transparent visual area (16) for light transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920760179.9U CN210037905U (en) | 2019-05-24 | 2019-05-24 | Bypass type junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920760179.9U CN210037905U (en) | 2019-05-24 | 2019-05-24 | Bypass type junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210037905U true CN210037905U (en) | 2020-02-07 |
Family
ID=69344065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920760179.9U Active CN210037905U (en) | 2019-05-24 | 2019-05-24 | Bypass type junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210037905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112350201A (en) * | 2020-09-30 | 2021-02-09 | 陈康 | Electrified table appurtenance that trades |
-
2019
- 2019-05-24 CN CN201920760179.9U patent/CN210037905U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112350201A (en) * | 2020-09-30 | 2021-02-09 | 陈康 | Electrified table appurtenance that trades |
| CN112350201B (en) * | 2020-09-30 | 2022-07-26 | 国网辽宁省电力有限公司朝阳供电公司 | Electrified table appurtenance that trades |
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