CN203205657U - Manual maintenance switch used for dolly - Google Patents
Manual maintenance switch used for dolly Download PDFInfo
- Publication number
- CN203205657U CN203205657U CN 201320229860 CN201320229860U CN203205657U CN 203205657 U CN203205657 U CN 203205657U CN 201320229860 CN201320229860 CN 201320229860 CN 201320229860 U CN201320229860 U CN 201320229860U CN 203205657 U CN203205657 U CN 203205657U
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- CN
- China
- Prior art keywords
- maintenance switch
- manual maintenance
- plug
- dolly
- socket
- 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 manual maintenance switch used for a dolly. A socket and a plug are formed integrally through injection molding. A traditional metal contact pair manufactured through turning is changed to a metal contact pair manufactured through punching. A male end of the metal contact pair and a female end of the metal contact pair are formed through punching. Two cross pan head screws are fixed on a fuse in a pressed manner in the male end of the metal contact pair. Four M5s are adopted for the connection of an upper cover and a lower cover of the plug. The female end of the metal contact pair is fixed in the socket through the common effect of an inner cover of the socket and a socket mounting base. Mechanism design is re-made. The size of the manual maintenance switch used for the dolly is reduced under a premise of guaranteeing excellent electrical performance.
Description
Technical field
The utility model belongs to the parts of electric automobile field electric connector, especially a kind of overcurrent, short-circuit protection maintenance switch.
Background technology
The manual maintenance switch is multiplex at hybrid power and pure electric automobile high voltage, and the power electric of large electric current backbone connects, and integrated fuse is realized overcurrent, the short-circuit protection of circuit in one, such as: cell management system of electric automobile, power distribution panel etc.The used manual maintenance switch of conventional hybrid power and pure electric automobile mainly is aimed at 7 to get on the car, bulky, mechanism is single, and installation and outlet method require high, some locking and interlock can't satisfy the requirement of miniature hybrid power car and pure electric vehicle small size.
The utility model content
The utility model has overcome the deficiencies in the prior art, and a kind of dolly manual maintenance switch that volume is little, control performance is good that has is provided.
Consider the problems referred to above of prior art, according to the disclosed aspect of the utility model, the utility model by the following technical solutions:
A kind of dolly manual maintenance switch, comprise socket and plug, described plug is arranged on the socket, is provided with fuse in the described plug, described plug comprises plug loam cake and plug lower cover, and the junction of described plug loam cake and described plug lower cover is provided with secondary locking mechanism.
In order to realize better the utility model, further technical scheme is:
According to an embodiment of the present utility model, cover on the described plug and be provided with two place's grooves, comprise a slide block that can slide at two places' grooves in the described secondary locking mechanism.
According to an embodiment of the present utility model, the junction of described plug loam cake and described plug lower cover also is provided with retaining mechanism No. one time.
According to an embodiment of the present utility model, be provided with boost bar on the described retaining mechanism.
According to an embodiment of the present utility model, the connecting portion of described plug loam cake and described plug lower cover is provided with waterproof grommet.
According to an embodiment of the present utility model, the bottom of described socket is provided with outlet column.
According to an embodiment of the present utility model, described outlet column is external thread type.
According to an embodiment of the present utility model, described socket and plug lower cover is integrated injection mo(u)lding.
According to an embodiment of the present utility model, be connected with contact pin on the described fuse, described contact pin is connected with jack.
The utility model can also be:
According to an embodiment of the present utility model, described contact pin and jack all are punch forming.
Compared with prior art, one of the beneficial effects of the utility model are:
(1) utilizes the defencive function of fuse, can realize overcurrent and short-circuit protection, guarantee the safety of the electric component behind the protected circuit.
(2) by servomechanism, can realize inserting and extracting more smooth and easy.
(3) can guarantee that by secondary locking mechanism Metal Contact is in locking to retaining mechanism in abominable work condition environment, guarantee that Metal Contact opens circuit to can incessantly not causing because of locking.
(4) by the outlet method of external screw thread metal connecting terminal, can allow User Defined go out line position, install freer.
(5) Metal Contact by pressing product pair not only can effectively reduce manufacturing cost, also has Low ESR, the electric property that current capacity is large.
(5) can save installing space, satisfy dolly to the requirement of car load space layout compactness.
Description of drawings
For clearer explanation present specification embodiment or technical scheme of the prior art, the below will do simple the introduction to the accompanying drawing of required use in the description of embodiment or prior art, apparently, the accompanying drawing that the following describes only is the reference to some embodiment in the present specification, for those skilled in the art, in the situation that do not pay creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 shows the structural representation of using the manual maintenance switch according to the dolly of an embodiment of the utility model.
Fig. 2 is the A-A cross-sectional view that dolly shown in Figure 1 is used the manual maintenance switch.
Fig. 3 a is the schematic top plan view that dolly shown in Figure 1 is used the manual maintenance switch.
Fig. 3 b is the B-B schematic diagram that the dolly shown in Fig. 3 a is used the manual maintenance switch.
Fig. 4 a shows according to the punching contact pin of an embodiment of the utility model, the Facad structure schematic diagram of punching jack.
Fig. 4 b shows according to the punching contact pin of an embodiment of the utility model, the side structure schematic diagram of punching jack.
Embodiment
Below in conjunction with embodiment the utility model is described in further detail, but execution mode of the present utility model is not limited to this.
Fig. 1 shows the structural representation of using the manual maintenance switch according to the dolly of an embodiment of the utility model.A kind of dolly manual maintenance switch as shown in Figure 1, comprise socket 101 and plug 102, described plug 102 is arranged on the socket 101, described plug 102 comprises plug loam cake 103 and plug lower cover 104, and described plug loam cake 103 is provided with secondary locking mechanism 106 and a retaining mechanism 105 with the junction of described plug lower cover 104.Described socket 101 can be integrated injection molding with plug lower cover 104.Plug loam cake 103 is connected with the plug lower cover and can be connected with the screw of 4 M5.
Fig. 2 is the A-A cross-sectional view that dolly shown in Figure 1 is used the manual maintenance switch.The manual maintenance switch of dolly as shown in Figure 2, be provided with fuse 207 in the plug 202, be provided with two place's grooves 208,209 on the described plug loam cake 203, comprise in the described secondary locking mechanism 206 one can be at two place's grooves 208,209 slide blocks 210 that slide, its slide block 210 is that secondary locking lost efficacy at groove 208 places, is the secondary locking effect at groove 209 places.Be provided with boost bar 211 on the described retaining mechanism 205, boost bar 211 can be realized inserting and extracting more smooth and easy with " lever principle ".Secondary locking mechanism 206 can guarantee that Metal Contact is in locking to retaining mechanism in abominable work condition environment, guarantees that Metal Contact opens circuit to can incessantly not causing because of locking.
Fig. 3 a is the schematic top plan view that dolly shown in Figure 1 is used the manual maintenance switch.Fig. 3 b is the B-B schematic diagram that the dolly shown in Fig. 3 a is used the manual maintenance switch.Dolly shown in Fig. 3 b manual maintenance switch, described plug loam cake 303 is provided with waterproof grommet 212 with the connecting portion of described plug lower cover 304.The bottom of described socket 301 is provided with outlet column 313.Described outlet column 313 can be external thread type.Be connected with contact pin 314 on the described fuse 307, described contact pin 314 is connected with jack 315; Contact pin 314 can adopt 2 crossed pan head screw in compression modes to be fixed on the fuse 307.Described contact pin 314 all can be punch forming with jack 315.Also be provided with plug liner 317 and socket liner 318 among the accompanying drawing 3b.Described fuse 307 can be realized overcurrent and short-circuit protection, guarantees the safety of the electric component behind the protected circuit.Outlet column 313 can be external screw thread metal connecting terminal, and the outlet method of external screw thread metal connecting terminal can allow User Defined go out line position, installs freer.
Fig. 4 a shows according to the punching contact pin of an embodiment of the utility model, the Facad structure schematic diagram of punching jack.Fig. 4 b shows according to the punching contact pin of an embodiment of the utility model, the side structure schematic diagram of punching jack.Shown in 4a, 4b, comprise the contact pin 414 and jack 415 that match, its contact pin 414 all is punch forming with jack 415.Metal connecting terminal (outlet column) riveted joint is fixed on the jack 415.Jack 415 can be fixed in the socket by socket inner cap and the acting in conjunction of socket mount pad.The Metal Contact of pressing product not only can reduce manufacturing cost to (contact pin 414 with jack 415), also has Low ESR (≤0.1m Ω), large (≤200A) the electric property of current capacity.
Dolly of the present utility model has own vol little (its size can be 110mmX84mmX78mm) with the manual maintenance switch, saves installing space, satisfies dolly to the requirement of car load space layout compactness; Can secondary locking, high-voltage interlocking, outlet method be flexible.
Simultaneously, the utility model adopts novel Metal Contact pair when solving existing technical deficiency, and under the prerequisite that satisfies the property indices requirement, not only the metalwork of the more traditional machining of manufacturing cost is low, and is more suitable for production in enormous quantities.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part cross-references gets final product between each embodiment.
" embodiment " who speaks of in this manual, " another embodiment ", " embodiment ", etc., refer to specific features, structure or the characteristics described in conjunction with this embodiment and be included among at least one embodiment that the application's generality describes.A plurality of local appearance statement of the same race is not necessarily to refer to same embodiment in specification.Furthermore, when describing a specific features, structure or characteristics in conjunction with arbitrary embodiment, what advocate is to realize that in conjunction with other embodiment this feature, structure or characteristics also drop in the scope of the present utility model.
Although with reference to a plurality of explanatory embodiment of the present utility model the utility model is described here, but, should be appreciated that, those skilled in the art can design a lot of other modification and execution modes, and these are revised and execution mode will drop within the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to building block and/or the layout of subject combination layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes also will be obvious.
Claims (10)
1. dolly manual maintenance switch, comprise socket and plug, described plug is arranged on the socket, is provided with fuse in the described plug, described plug comprises plug loam cake and plug lower cover, and the junction of described plug loam cake and described plug lower cover is provided with secondary locking mechanism.
2. dolly according to claim 1 manual maintenance switch is characterized in that, covers on the described plug to be provided with two place's grooves, comprises a slide block that can slide at two places' grooves in the described secondary locking mechanism.
3. dolly according to claim 1 manual maintenance switch is characterized in that, the junction of described plug loam cake and described plug lower cover also is provided with retaining mechanism No. one time.
4. dolly according to claim 3 manual maintenance switch is characterized in that, is provided with boost bar on the described retaining mechanism.
5. dolly according to claim 1 manual maintenance switch is characterized in that, the connecting portion of described plug loam cake and described plug lower cover is provided with waterproof grommet.
6. dolly according to claim 1 manual maintenance switch is characterized in that, the bottom of described socket is provided with outlet column.
7. dolly according to claim 1 manual maintenance switch is characterized in that, described outlet column is external thread type.
8. dolly according to claim 1 manual maintenance switch is characterized in that, described socket and plug lower cover is integrated injection mo(u)lding.
9. dolly according to claim 1 manual maintenance switch is characterized in that, is connected with contact pin on the described fuse, and described contact pin is connected with jack.
10. dolly according to claim 9 manual maintenance switch is characterized in that, described contact pin and jack all are punch forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320229860 CN203205657U (en) | 2013-04-28 | 2013-04-28 | Manual maintenance switch used for dolly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320229860 CN203205657U (en) | 2013-04-28 | 2013-04-28 | Manual maintenance switch used for dolly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203205657U true CN203205657U (en) | 2013-09-18 |
Family
ID=49149725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320229860 Expired - Fee Related CN203205657U (en) | 2013-04-28 | 2013-04-28 | Manual maintenance switch used for dolly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203205657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826145A (en) * | 2016-05-16 | 2016-08-03 | 四川瑞可达连接系统有限公司 | Manual maintenance switch |
-
2013
- 2013-04-28 CN CN 201320229860 patent/CN203205657U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826145A (en) * | 2016-05-16 | 2016-08-03 | 四川瑞可达连接系统有限公司 | Manual maintenance switch |
| CN105826145B (en) * | 2016-05-16 | 2018-07-06 | 四川瑞可达连接系统有限公司 | Manual maintenance switchs |
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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: 20130918 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |