CN202721153U - Junction box - Google Patents
Junction box Download PDFInfo
- Publication number
- CN202721153U CN202721153U CN2012202415585U CN201220241558U CN202721153U CN 202721153 U CN202721153 U CN 202721153U CN 2012202415585 U CN2012202415585 U CN 2012202415585U CN 201220241558 U CN201220241558 U CN 201220241558U CN 202721153 U CN202721153 U CN 202721153U
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- CN
- China
- Prior art keywords
- terminal
- groove
- box body
- space
- opening
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The utility model provides a junction box comprising a box body, terminals contained in the box body and cables which are electrically connected with the terminals. The box body is internally provided with vertical grooves and transverse grooves. The vertical grooves are divided into first grooves and second grooves by the transverse grooves. The terminals are connected with spring pieces. Each of the spring pieces comprises a clamping part, a connecting part and an inserting part. Each clamping part is provided with an opening, and each inserting part is inserted into the opening. Each of the terminals comprises an extension part and a supporting part which extends downwardly from the extension part. The supporting part passes through the opening at a position between an opening side edge and the inserting part. The extension parts and the inserting parts are fixed in the first grooves, and the supporting parts are fixed in the second grooves. When the connecting parts move in directions close to the inserting parts under effects of external forces, the clamping parts move along the transverse grooves and spaces are formed between opening side edges and the terminal supporting parts, the cables extends into the spaces and are clamped after the external forces are canceled, operation is simple, and clamping is firm.
Description
Technical field
The utility model relates to a kind of terminal box, relates in particular to a kind of solar junction box.
Background technology
Solar junction box in the market generally comprises box body, the loam cake that cooperates with box body, is contained in some terminals and diode in the box body.Box body is provided with antetheca and runs through the through hole of antetheca, and external cable enters in the box body to be electrically connected with terminal by through hole from the terminal box outside.In the prior art, cable and terminal so not only increase production cost by being welded together, and empty weldering often occurs, cause under external force cable and terminal disengaging.
Therefore, be necessary to provide a kind of new terminal box to overcome the problems referred to above.
The utility model content
The purpose of this utility model is to provide a kind of terminal box that fixes cable by clamping.
Correspondingly, a kind of terminal box of the present utility model, comprise box body, be contained in the cable of the interior terminal of box body and electric connection terminal, described box body comprises antetheca, this antetheca is provided with through hole, described cable is in through hole extends into box body, be provided with vertical slot and transverse groove in the described box body, transverse groove is divided into the first groove and the second groove with vertical slot, described connecting terminals is connected to shell fragment, this shell fragment comprises the holding part that connects successively, connecting portion and insertion section, described holding part is provided with opening, and described insertion section is stretched in the opening, and described terminal comprises extension and the support portion to downward-extension from extension, opening is passed in the support portion between opening lateral margin and insertion section, described extension and insertion section are immobilizated in the first groove, and described support portion is immobilizated in the second groove, when connecting portion moves towards the direction near the insertion section under external force, holding part moves and form the space between opening lateral margin and terminal support portion along transverse groove, and described cable stretches into this space after by through hole and is held after external force is cancelled.
As further improvement of the utility model, described support portion is more oppositely bending behind the lateral buckling, forms a projection and is positioned at the recess at the protruding back side, and the end of described insertion section is provided with the kink that is contained in described recess.
As further improvement of the utility model, described support portion comprises the free section that is positioned at the recess below, and described free section is immobilizated in the second groove.
As further improvement of the utility model, also comprise a terminal board, described transverse groove and vertical slot are arranged on the terminal board, and described terminal board also is provided with the passage that communicates with transverse groove, and described cable passes through hole and passage successively.
As further improvement of the utility model, described terminal board both sides are provided with groove, described box body comprises diapire, from the upwardly extending sidewall in diapire both sides and host cavity between the two side, described diapire convexes with clasp arm with groove fit towards host cavity.
As further improvement of the utility model, described host cavity comprises and is positioned at zone line in order to the first space that holds terminal board and the second space that is positioned at both sides, the first space, is provided with reinforcement in the second space.
As further improvement of the utility model, described second space is between described clasp arm and described sidewall.
As further improvement of the utility model, described reinforcement is vertically and horizontally arranged.
As further improvement of the utility model, described diapire is provided with upwardly extending projection, and described terminal board is provided with the hole that cooperates with projection.
The beneficial effects of the utility model are: the utility model makes cable clamping between opening lateral margin and support portion by the shell fragment restoring force, and is easy to operate and clamp firmly.
Description of drawings
Fig. 1 is the three-dimensional assembly diagram of the utility model one execution mode terminal box;
Fig. 2 is the separation graph of Terminals Die group and box body in the terminal box shown in Figure 1;
Fig. 3 is the vertical view of terminal module shown in Figure 2;
Fig. 4 A is the assembly drawing of terminal shown in Figure 3 and shell fragment;
Fig. 4 B is the stereogram of terminal among Fig. 4 A;
Fig. 4 C is the stereogram of shell fragment among Fig. 4 A.
Embodiment
Below with reference to each execution mode shown in the drawings the utility model is described in detail.But these execution modes do not limit the utility model, and the conversion on the structure that those of ordinary skill in the art makes according to these execution modes, method or the function all is included in the protection range of the present utility model.
As shown in Figures 1 and 2, the utility model one execution mode terminal box comprises box body 1, is contained in the terminal module 2 in the box body 1 and the loam cake 3 that cooperates with box body.
As shown in Figure 2, box body 1 comprises the host cavity 15 that diapire 11, the antetheca 13 from the upwardly extending sidewall 12 in diapire 11 both sides, connection two side 12 reach between two side 12.Diapire 11 upwards is being provided with the clasp arm 16 that protrudes into host cavity 15 near sidewall 12 places.In the present embodiment, be provided with two clasp arms 16 near each sidewall.In addition, diapire 11 also is provided with projection 17 to make things convenient for terminal board 21(hereinafter to describe in detail) location.Take clasp arm 16 as the boundary, host cavity 15 is divided into the first space 151 and second space 152, the first spaces 151 are the zone line of host cavity 15, in order to hold terminal board 21; Second space 152 is the first space 151 two side areas, and namely space between clasp arm 16 and the respective side walls 12 is distributed with vertically and horizontally arranged some reinforcements 18 to strengthen the intensity of box body 1 in second space 152.Antetheca 13 is provided with the through hole 14 that runs through himself, and this through hole 14 extends into box body 1 inside for external cable (not shown).
Shown in Fig. 2, Fig. 3, Fig. 4 A, Fig. 4 B, Fig. 4 C, terminal module 2 comprises terminal board 21, be immobilizated in the some terminals 22 on the terminal board 21 and be electrically connected some diodes 24 of terminals of adjacent.The both sides of terminal board 21 be provided with box body 1 in the groove 212 of clasp arm 16 phase clasps, the front side is provided with the passage 213 corresponding with through hole 14.In addition, also be provided with the hole (not shown) that matches with projection 17 on the terminal board 21, to reach better locating effect.In the present embodiment, the number of terminal 22 is 4, is followed successively by the first terminal 221, the second terminal 222, the 3rd terminal 223 and the 4th terminal 224.Wherein, the first terminal 221 and the 4th terminal 224 are outer terminal, and terminal each fixing of these two outer terminal has a shell fragment 4.Shell fragment 4 comprises holding part 41, connecting portion 42 and the insertion section 43 that links to each other successively, has opening 411 on the holding part 41, insertion section 43 is stretched in the opening 411 and with opening lateral margin 412 and is offseted, and the end of insertion section 43 is provided with kink 44 and breaks away from opening 411 to prevent insertion section 43.The below specifies as an example of the first terminal 221 example, the first terminal 221 comprises extension 225 and passes the support portion 226 of shell fragment opening 411, described support portion 226 reflexed again behind the lateral buckling certain angle, thereby 226 form a projection 227 in the support portion, the part of support portion 226 above projection 227 is defined as support division 228, and the part of protruding 226 belows is defined as free section 229.
When the first terminal 221 assembles with shell fragment 4, compressing insertion section 43 makes insertion section 43 move towards connecting portion 42, between opening lateral margin 412 and insertion section 43, form like this a space, opening 411 is passed by this space in the support portion 226 of the first terminal 221, then discharge insertion section 43, by the elastic force effect, support portion 226 is sandwiched between opening lateral margin 412 and the insertion section 43, particularly, support division 228 offsets with opening lateral margin 412, kink 44 is contained in the recess 230 at protruding 227 back sides, thereby prevents shell fragment 4 and the first terminal 221 accidental.
In the present embodiment, terminal board 21 separates with box body 1, certainly terminal board 21 also can with box body 1 integrated injection molding, thereby become the part of box body 1.The utility model makes cable clamping between opening lateral margin and support portion by the restoring force of shell fragment, and is easy to operate and clamp firmly.
Be to be understood that, although this specification is described according to execution mode, but be not that each execution mode only comprises an independently technical scheme, this narrating mode of specification only is for clarity sake, those skilled in the art should make specification as a whole, technical scheme in each execution mode also can through appropriate combination, form other execution modes that it will be appreciated by those skilled in the art that.
Above listed a series of detailed description only is specifying for feasibility execution mode of the present utility model; they are not to limit protection range of the present utility model, allly do not break away from equivalent execution mode or the change that the utility model skill spirit does and all should be included within the protection range of the present utility model.
Claims (9)
1. terminal box, comprise box body, be contained in the cable of the interior terminal of box body and electric connection terminal, described box body comprises antetheca, this antetheca is provided with through hole, described cable is in through hole extends into box body, it is characterized in that: be provided with vertical slot and transverse groove in the described box body, transverse groove is divided into the first groove and the second groove with vertical slot, described connecting terminals is connected to shell fragment, this shell fragment comprises the holding part that connects successively, connecting portion and insertion section, described holding part is provided with opening, described insertion section is stretched in the opening, described terminal comprises that extension reaches from extension the support portion to downward-extension, and opening is passed in the support portion between opening lateral margin and insertion section, and described extension and insertion section are immobilizated in the first groove, described support portion is immobilizated in the second groove, connecting portion is under external force when moving near the direction of insertion section, and holding part moves and form the space between opening lateral margin and terminal support portion along transverse groove, and described cable stretches into this space after by through hole and is held after external force is cancelled.
2. terminal box according to claim 1 is characterized in that: the more oppositely bending behind the lateral buckling of described support portion, and form a projection and be positioned at the recess at the protruding back side, the end of described insertion section is provided with the kink that is contained in described recess.
3. terminal box according to claim 2 is characterized in that: described support portion comprises the free section that is positioned at the recess below, and described free section is immobilizated in the second groove.
4. each described terminal box in 3 according to claim 1, it is characterized in that: also comprise a terminal board, described transverse groove and vertical slot are arranged on the terminal board, and described terminal board also is provided with the passage that communicates with transverse groove, and described cable passes through hole and passage successively.
5. terminal box according to claim 4, it is characterized in that: described terminal board both sides are provided with groove, described box body comprises diapire, from the upwardly extending sidewall in diapire both sides and host cavity between the two side, described diapire convexes with clasp arm with groove fit towards host cavity.
6. terminal box according to claim 5 is characterized in that: described host cavity comprises and is positioned at zone line in order to the first space that holds terminal board and the second space that is positioned at both sides, the first space, is provided with reinforcement in the second space.
7. terminal box according to claim 6, it is characterized in that: described second space is between described clasp arm and described sidewall.
8. terminal box according to claim 6, it is characterized in that: described reinforcement is vertically and horizontally arranged.
9. terminal box according to claim 5, it is characterized in that: described diapire is provided with upwardly extending projection, and described terminal board is provided with the hole that cooperates with projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202415585U CN202721153U (en) | 2012-05-28 | 2012-05-28 | Junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202415585U CN202721153U (en) | 2012-05-28 | 2012-05-28 | Junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202721153U true CN202721153U (en) | 2013-02-06 |
Family
ID=47622962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202415585U Expired - Fee Related CN202721153U (en) | 2012-05-28 | 2012-05-28 | Junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202721153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456814A (en) * | 2012-05-28 | 2013-12-18 | 苏州快可光伏电子股份有限公司 | Junction box |
-
2012
- 2012-05-28 CN CN2012202415585U patent/CN202721153U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456814A (en) * | 2012-05-28 | 2013-12-18 | 苏州快可光伏电子股份有限公司 | Junction box |
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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 |
Granted publication date: 20130206 Termination date: 20150528 |
|
| EXPY | Termination of patent right or utility model |