CN202178653U - Junction box - Google Patents
Junction box Download PDFInfo
- Publication number
- CN202178653U CN202178653U CN2011202720795U CN201120272079U CN202178653U CN 202178653 U CN202178653 U CN 202178653U CN 2011202720795 U CN2011202720795 U CN 2011202720795U CN 201120272079 U CN201120272079 U CN 201120272079U CN 202178653 U CN202178653 U CN 202178653U
- Authority
- CN
- China
- Prior art keywords
- groove
- shielded conductor
- terminal box
- cavity
- rubber stopper
- 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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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model provides a junction box, comprising a metal box body, a first rubber plug, a metal connecting member and at least one shielded conductor, wherein the metal box body is provided with a concave cavity, inside the concave cavity there is provided a first step plane, the first rubber plug is fixedly mounted at the opening of the concave cavity, the shielded conductor passes through the first rubber plug into the concave cavity, the metal connecting member is arranged on each shielded conductor and contacted with the shielding layer of each shielded conductor, and the metal connecting member is located between the first step plane and the first rubber plug, and arranged to abut against the first step plane and the first rubber plug. The junction body can enable the electromagnetic interference on other electric devices to be reduced, and is uneasily influenced by other electromagnetic signals.
Description
Technical field
The utility model relates to a kind of terminal box.
Background technology
Terminal box is parts that often are used with motor, and terminal box is installed in usually on the motor and with motor and is electrically connected, and the lead of outside stretches in the terminal box, through being electrically connected of terminal box realization outer lead and motor.But during the motor operation, the terminal box place can produce some unnecessary electromagnetic signals, and to other electronic equipment generation electromagnetic interference of periphery, simultaneously, terminal box also receives the interference of other electromagnetic signal easily.
The utility model content
The utility model provides a kind of terminal box for solving the problem that above-mentioned terminal box produces electromagnetic interference and receives electromagnetic interference easily, and this terminal box can reduce the electromagnetic interference to other electronic equipment, is not vulnerable to the interference of other electromagnetic signal simultaneously.
The terminal box of the utility model; Comprise: metal case, first rubber stopper, metal connecting piece and at least one shielded conductor; Said metal case is provided with cavity; Be provided with first cascaded surface in the said cavity, said first rubber stopper is fixedly mounted on the opening part of cavity, and said shielded conductor passes first rubber stopper and stretches in the cavity; Said metal connecting piece is set on each shielded conductor and with the screen of each shielded conductor and contacts, metal connecting piece between first cascaded surface and first rubber stopper and respectively with first cascaded surface and the first rubber stopper butt.
Further; Said metal connecting piece comprises first metalwork and second metalwork that is mutually permanently connected; First metalwork is provided with first groove that equates with shielded conductor quantity, and second metalwork is provided with second groove that equates with shielded conductor quantity, and each first groove is faced with second groove one by one mutually; Each shielded conductor is stuck between one first groove and the second relative groove, the screen of each shielded conductor respectively with corresponding first groove and/or second grooves contact.
Further; First metalwork comprises first baseplate part and from extended at least one the first flap portion of the first baseplate part bending; Second metalwork comprises second baseplate part and from extended at least one the second flap portion of the second baseplate part bending, each first groove all is positioned on first baseplate part, and each second groove all is positioned on second baseplate part; The bearing of trend of the first flap portion and the second flap portion is opposite, and the first flap portion and the second flap portion all fit with first cascaded surface.
Further; First baseplate part is provided with first circular hole and first screwed hole, and all between first circular hole and first screwed hole, second baseplate part is provided with second circular hole and second screwed hole to each first groove; Each second groove is all between second circular hole and second screwed hole; Said terminal box also comprises two screws, and a screw is installed in first circular hole and second screwed hole, and another screw is installed in second circular hole and first screwed hole.
Further, first groove is and the suitable circular groove of the shape of said screen that second groove is and the suitable circular groove of the shape of said screen.
Further, said shielded conductor is three, and three shielded conductors laterally arrange in said cavity.
Further; Said terminal box also comprises the baffle plate that stops first rubber stopper to be deviate from from cavity; It is outer and be fixedly connected with metal case that said baffle plate is arranged on said cavity opening, also is provided with second cascaded surface in the said cavity, second cascaded surface than first cascaded surface more near the opening of cavity; Said first rubber stopper is between second cascaded surface and baffle plate, and first rubber stopper contacts with said cavity and shielded conductor extruding.
Further, first rubber stopper contacts with second cascaded surface and baffle plate extruding.
Further, said terminal box also comprises second rubber stopper that is installed in the said cavity and is passed by said shielded conductor, and said first rubber stopper and second rubber stopper lay respectively at the both sides along the shielded conductor bearing of trend of said metal connecting piece.
The beneficial effect of the utility model is: owing to be provided with metal connecting piece; Metal connecting piece contacts with the screen of first cascaded surface and each shielded conductor respectively; Be metal case with screen between can be electrically connected; Therefore metal case also has function of shielding, thus this metal case both the electromagnetic signal of maskable terminal box also can shield the electromagnetic interference of other electromagnetic signal simultaneously to the electromagnetic interference of other electronic equipment to this terminal box.
Description of drawings
Fig. 1 is the part blast structural representation of the terminal box of a kind of execution mode of the utility model;
Fig. 2 is the sectional structure sketch map of the terminal box of a kind of execution mode of the utility model;
Fig. 3 is the structural representation of first metalwork in the terminal box of a kind of execution mode of the utility model;
Fig. 4 is the structural representation of second metalwork in the terminal box of a kind of execution mode of the utility model.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with accompanying drawing and execution mode, the utility model is further elaborated.Should be appreciated that embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Like Fig. 1-shown in Figure 4; The terminal box of a kind of execution mode of the utility model; Comprise: metal case 1, first rubber stopper 2, metal connecting piece and at least one shielded conductor 3, said metal case 1 is provided with cavity 101, is provided with first cascaded surface 102 in the said cavity 101; Said first rubber stopper 2 is fixedly mounted on the opening part of cavity 101; Said shielded conductor 3 passes first rubber stopper 2 and stretches in the cavity 101, and said metal connecting piece is set on each shielded conductor 3 and with the screen of each shielded conductor 3 and contacts, metal connecting piece between first cascaded surface 102 and first rubber stopper 2 and respectively with first cascaded surface 102 and first rubber stopper, 2 butts.Said butt is that the strain through first rubber stopper 2 realizes, through said butt, realizes more firm contacting between first cascaded surface 102 and the metal connecting piece.
Metal connecting piece can adopt single parts, also can be formed by a plurality of unit constructions.Preferably; Said metal connecting piece comprises first metalwork 4 and second metalwork 5 that is mutually permanently connected; First metalwork 4 is provided with first groove 401 that equates with shielded conductor 3 quantity; Second metalwork 5 is provided with second groove 501 that equates with shielded conductor 3 quantity; Each first groove 401 is faced with second groove 501 one by one mutually, and each shielded conductor 3 is stuck between one first groove 401 and the second relative groove 501, and the screen of each shielded conductor 3 contacts with corresponding first groove 401 and/or second groove 501 respectively.Through metal connecting piece being divided into first metalwork 4 and second metalwork 5; Be fixedly connected between two metalworks, and on two metalworks, groove be set, made things convenient for the installation and removal of two metalworks; And it is more firm to contact between the screen of two metalworks and shielded conductor 3, is difficult for loosening.
First metalwork 4 comprises first baseplate part 402 and from extended at least one the first flap portion 403 of first baseplate part, 402 bendings; Second metalwork 5 comprises second baseplate part 502 and from extended at least one the second flap portion 503 of second baseplate part, 502 bendings; Each first groove 401 all is positioned on first baseplate part 402; Each second groove 501 all is positioned on second baseplate part 502; The bearing of trend of the first flap portion 403 and the second flap portion 503 is opposite, and the first flap portion 403 and the second flap portion 503 all fit with first cascaded surface 102.Through flap portion is set, make the better effects if that contacts between metal connecting piece and first cascaded surface 102.
In this execution mode, said shielded conductor 3 is three, and three shielded conductors 3 laterally arrange in said cavity 101.Correspondingly, first groove 401 is three, and second groove 501 is three.
Said terminal box also comprises the baffle plate 7 that stops first rubber stopper 2 to be deviate from from cavity 101; Said baffle plate 7 is arranged on outside said cavity 101 openings and with metal case 1 and is fixedly connected; Also be provided with second cascaded surface 103 in the said cavity 101; Second cascaded surface, 103 to the first cascaded surfaces 102 are more near the opening of cavity 101, and said first rubber stopper 2 is between second cascaded surface 103 and baffle plate 7, and first rubber stopper 2 contacts with said cavity 101 and shielded conductor 3 extruding.The 2 existing effects that shielded conductor 3 is positioned of first rubber stopper have certain waterproof sealing effect again simultaneously, can prevent that outside water or other foreign material from getting in the cavity 101 from the opening part of cavity 101.Preferably, first rubber stopper contacts with second cascaded surface and baffle plate extruding.
Said terminal box also comprises second rubber stopper 8 that is installed in the said cavity 101 and is passed by said shielded conductor 3, and said first rubber stopper 2 and second rubber stopper 8 lay respectively at the both sides of shielded conductor 3 bearing of trends of said metal connecting piece.
The structure of shielded conductor 3 is following: the innermost layer is a metal conductive wire, and the metal conductive wire outside is first insulating barrier, and first insulating barrier outside is a screen, and the screen outside is second insulating barrier.Metal connecting piece is contacted with screen, can second insulating barrier of relevant position be peelled off.
The above is merely the preferred embodiments of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.
Claims (9)
1. terminal box; It is characterized in that; Comprise: metal case, first rubber stopper, metal connecting piece and at least one shielded conductor, said metal case is provided with cavity, is provided with first cascaded surface in the said cavity; Said first rubber stopper is fixedly mounted on the opening part of cavity; Said shielded conductor passes first rubber stopper and stretches in the cavity, and said metal connecting piece is set on each shielded conductor and with the screen of each shielded conductor and contacts, metal connecting piece between first cascaded surface and first rubber stopper and respectively with first cascaded surface and the first rubber stopper butt.
2. terminal box as claimed in claim 1; It is characterized in that; Said metal connecting piece comprises first metalwork and second metalwork that is mutually permanently connected; First metalwork is provided with first groove that equates with shielded conductor quantity, and second metalwork is provided with second groove that equates with shielded conductor quantity, and each first groove is faced with second groove one by one mutually; Each shielded conductor is stuck between one first groove and the second relative groove, the screen of each shielded conductor respectively with corresponding first groove and/or second grooves contact.
3. terminal box as claimed in claim 2; It is characterized in that; First metalwork comprises first baseplate part and from extended at least one the first flap portion of the first baseplate part bending; Second metalwork comprises second baseplate part and from extended at least one the second flap portion of the second baseplate part bending, each first groove all is positioned on first baseplate part, and each second groove all is positioned on second baseplate part; The bearing of trend of the first flap portion and the second flap portion is opposite, and the first flap portion and the second flap portion all fit with first cascaded surface.
4. terminal box as claimed in claim 3 is characterized in that, first baseplate part is provided with first circular hole and first screwed hole; Each first groove is all between first circular hole and first screwed hole; Second baseplate part is provided with second circular hole and second screwed hole, and all between second circular hole and second screwed hole, said terminal box also comprises two screws to each second groove; A screw is installed in first circular hole and second screwed hole, and another screw is installed in second circular hole and first screwed hole.
5. terminal box as claimed in claim 2 is characterized in that, first groove is and the suitable circular groove of the shape of said screen that second groove is and the suitable circular groove of the shape of said screen.
6. terminal box as claimed in claim 1 is characterized in that, said shielded conductor is three, and three shielded conductors laterally arrange in said cavity.
7. terminal box as claimed in claim 1; It is characterized in that said terminal box also comprises the baffle plate that stops first rubber stopper to be deviate from from cavity, said baffle plate is arranged on outside the said cavity opening and with metal case and is fixedly connected; Also be provided with second cascaded surface in the said cavity; More near the opening of cavity, said first rubber stopper is between second cascaded surface and baffle plate than first cascaded surface for second cascaded surface, and first rubber stopper contacts with said cavity and shielded conductor extruding.
8. terminal box as claimed in claim 7 is characterized in that, first rubber stopper contacts with second cascaded surface and baffle plate extruding.
9. terminal box as claimed in claim 1; It is characterized in that; Said terminal box also comprises second rubber stopper that is installed in the said cavity and is passed by said shielded conductor, and said first rubber stopper and second rubber stopper lay respectively at the both sides along the shielded conductor bearing of trend of said metal connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202720795U CN202178653U (en) | 2011-07-29 | 2011-07-29 | Junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202720795U CN202178653U (en) | 2011-07-29 | 2011-07-29 | Junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202178653U true CN202178653U (en) | 2012-03-28 |
Family
ID=45868517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202720795U Expired - Lifetime CN202178653U (en) | 2011-07-29 | 2011-07-29 | Junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202178653U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103354401A (en) * | 2013-05-13 | 2013-10-16 | 天津市松正电动汽车技术股份有限公司 | Motor wire outlet structure |
| CN110361501A (en) * | 2018-04-09 | 2019-10-22 | 日本特殊陶业株式会社 | Sensor |
-
2011
- 2011-07-29 CN CN2011202720795U patent/CN202178653U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103354401A (en) * | 2013-05-13 | 2013-10-16 | 天津市松正电动汽车技术股份有限公司 | Motor wire outlet structure |
| CN110361501A (en) * | 2018-04-09 | 2019-10-22 | 日本特殊陶业株式会社 | Sensor |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120328 |