CN114696152B - Waterproof connector for DC power supply of automobile - Google Patents
Waterproof connector for DC power supply of automobile Download PDFInfo
- Publication number
- CN114696152B CN114696152B CN202210329953.7A CN202210329953A CN114696152B CN 114696152 B CN114696152 B CN 114696152B CN 202210329953 A CN202210329953 A CN 202210329953A CN 114696152 B CN114696152 B CN 114696152B
- Authority
- CN
- China
- Prior art keywords
- waterproof
- negative pole
- plug
- connector
- matched
- 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.)
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Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000741 silica gel Substances 0.000 claims abstract description 14
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 14
- 239000012634 fragment Substances 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000002146 bilateral effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5216—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases characterised by the sealing material, e.g. gels or resins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses a waterproof connector of an automobile DC power supply, which relates to the technical field of automobile accessories and comprises a panel, a connector main body, an anode contact pin, an anode spring plate, a cathode spring plate, a silica gel waterproof ring and a waterproof plug.
Description
Technical Field
The invention relates to the technical field of automobile accessories, in particular to a waterproof connector for an automobile DC power supply.
Background
The automobile central control part is usually provided with a DC power socket so that the DC power supply is used by the vehicle-mounted electric appliance, the joints adopted by the vehicle-mounted DC power socket and the universal electric appliance are sometimes not universal, the electric control system is provided with an adaptive connector on the market so as to adapt to the power requirements of various electric appliances, although an electric leakage protector is arranged between the positive electrode and the negative electrode, the electric leakage protector is plugged into the connector of the DC power socket, water is sometimes fed due to the reason of washing the automobile or the artificial reason, the electric leakage phenomenon occurs on the power circuit board inside the connector, and the accident of an electric control system is seriously caused. Therefore, it is necessary to design a waterproof assembly for a DC power connector generally not having good waterproof performance in the market, to improve the waterproof level of the connector, and to design a good conductive structure for the electrode terminal in particular, so as to improve the performance requirement of large current conduction.
Disclosure of Invention
The invention aims at: aiming at the problems that the existing vehicle-mounted DC power connector is poor in waterproof performance, water enters due to car washing reasons or artificial reasons, so that an electric leakage phenomenon occurs in an internal power circuit board of the connector, and an electric control system fault seriously occurs to cause car accident accidents, the automobile DC power waterproof connector is provided, the waterproof grade of a connector shell is improved, and a good conductive structure is specially designed for an electrode terminal so as to improve the performance requirement of large-current conduction.
The technical scheme adopted for solving the problems is as follows:
a waterproof connector for an automobile DC power supply comprises a panel, a connector main body, an anode contact pin, an anode elastic piece, a cathode elastic piece, a silica gel waterproof ring and a waterproof plug.
The outer surface of the panel is an appearance surface, the middle part is provided with an inserting port for being matched with an external electric appliance plug to connect electricity, the inner surface is provided with a positioning seat, the positioning seat comprises a positioning column and a buckle, the positioning column is matched with a U-shaped positioning hole symmetrically arranged on the periphery of a silica gel waterproof ring, so that the silica gel waterproof ring is aligned with the periphery of the inner surface of the positioning seat, the buckle is locked with a clamping hook symmetrically arranged on the left side and the right side of the lower part of the connector main body, the silica gel waterproof ring is tightly compacted with the periphery of the inner surface of the positioning seat,
the connector main body is provided with a positive electrode plug seat, a guide groove, an elastic piece positioning groove and a power receiving jack, the positive electrode plug seat comprises a positive electrode plug seat and a negative electrode plug seat which are respectively matched with the positive electrode elastic piece and the negative electrode elastic piece in a plug-in manner, the guide groove is used for matching the positive electrode elastic piece and the negative electrode elastic piece to be attached to the surface of the connector main body, the positive electrode elastic piece and the negative electrode elastic piece are inserted into the connector main body along the elastic piece positioning groove, the output plug end of the tail part of the positive electrode elastic piece is matched with the center of the bottom of the power receiving jack, the output contact end of the tail part of the negative electrode elastic piece is matched with the power receiving slot at the periphery of the power receiving jack, the connector main body is also provided with a waterproof plug matching groove, the middle part of the waterproof plug is provided with a rectangular hole, is matched with the waterproof plug matching groove in a penetrating manner, and is glued and sealed in a gap,
the positive electrode contact pin is coaxially and concentrically sleeved and matched with the power receiving jack of the connector main body, and is sealed by sealing glue,
the negative pole shell fragment is provided with two sets of output contact terminals, including first negative pole output contact terminal and second negative pole output contact terminal, output contact terminal cooperates along two sets of electric slots that connect electric jack inner wall to set up.
Furthermore, the input contact end and the output contact end of the positive pole elastic sheet and the negative pole elastic sheet are plated with gold, and rebound contacts are arranged along the plugging direction so as to prevent the contact ends from not resetting.
Further, barbs are arranged on two sides of the output contact ends of the positive pole elastic sheet and the negative pole elastic sheet and are in close plug-in fit with the elastic sheet positioning grooves of the connector main body.
Further, a major arc riveting hole is formed in the center of the output contact end of the positive pole elastic sheet, interference protruding ends are symmetrically arranged on two sides of the riveting hole, and the interference protruding ends are connected with an annular clamping groove arranged at the tail of the positive pole contact pin in a riveting mode.
The beneficial effects of the invention are as follows:
1. the waterproof connector of the automobile DC power supply adopts the silica gel waterproof ring and the waterproof plug to carry out sealing treatment twice, so that the waterproof grade of the connector shell is improved, and the accident that the electric leakage occurs in the power circuit board inside the connector due to water inflow caused by human factors is effectively prevented;
2. the negative pole shell fragment adopts the design of dual output contact terminal, guarantee better contact, also provide the guarantee for the heavy current to pass through;
3. the positive pole shell fragment and negative pole shell fragment are provided with the rebound contact to prevent that the contact terminal from not resetting, solve the deformation that metal shell fragment plug number of times is too many and can't reset, contact poor problem.
Drawings
Fig. 1 is a side plan view of the waterproof connector for the DC power supply of the automobile of the present embodiment;
fig. 2 is a front view of the outer surface of the waterproof connector for the DC power supply of the automobile of the present embodiment;
fig. 3 is an exploded view of the waterproof connector for the DC power supply of the automobile of the present embodiment;
fig. 4 is a schematic structural diagram of the positive electrode spring plate and the negative electrode spring plate according to the embodiment;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
fig. 6 is a rear top view of the positive electrode spring and the negative electrode spring according to the embodiment;
FIG. 7 is a partial enlarged view at B in FIG. 6;
fig. 8 is a front top view of the assembly of the positive and negative pole spring plates and the connector body according to the embodiment;
fig. 9 is a rear top view of the assembly of the positive and negative pole spring plates and the connector body according to the present embodiment;
fig. 10 is a front bottom view of the assembly of the positive and negative pole spring plates and the connector body according to the embodiment;
fig. 11 is a bottom view of the assembly of the positive and negative electrode spring plates and the connector body according to the embodiment;
FIG. 12 is a cross-sectional view of section C-C of FIG. 11;
FIG. 13 is a schematic diagram illustrating an assembling process of the positive electrode tab and the positive electrode pin according to the present embodiment;
fig. 14 is a schematic view illustrating an assembling process of the positioning seat of the waterproof plug and the panel according to the embodiment;
the waterproof plug comprises a 1-panel, a 2-waterproof plug, a 3-negative pole spring piece, a 4-positive pole spring piece, a 5-connector body, a 6-silica gel waterproof ring, a 7-first negative pole output contact end, an 8-positive pole contact pin, a 9-second negative pole output contact end, a 10-clamping hook, an 11-annular clamping groove, a 12-rectangular hole, a 13-U-shaped positioning hole, a 14-positioning column, a 15-clamping buckle, a 16-rebound contact, a 17-interference protruding end, an output contact end of a 18-positive pole spring piece, a barb of a 19-positive pole spring piece, a 20-riveting hole, an output contact end of a 21-negative pole spring piece, a barb of a 22-negative pole spring piece, a 23-negative pole plug seat, a 24-positive pole plug seat, a 25-positive pole spring piece positioning groove, a 26-waterproof plug matching groove, a 27-negative pole spring piece positioning groove, a 28-connection jack, a 29-avoidance platform and a 30-connection groove.
Detailed Description
The technical solution of the present invention will be clearly and completely described by way of example with reference to the accompanying drawings.
Referring to fig. 1-14, the present embodiment provides a waterproof connector for an automobile DC power supply, which includes a panel 1, a connector body 5, an anode pin 8, an anode spring 4, a cathode spring 3, a waterproof silica gel ring 6 and a waterproof plug 2.
Specifically, referring to fig. 1 and 2, the outer surface of the panel 1 is an appearance surface, an interface is provided in the middle of the panel for being matched with an external electric appliance plug to connect electricity, a positioning seat is provided on the inner surface of the panel, the positioning seat comprises a positioning column 14 and a buckle 15, the positioning column 14 is matched with a U-shaped positioning hole 13 symmetrically arranged on the periphery of a silica gel waterproof ring 6, so that the silica gel waterproof ring 6 is aligned with the periphery of the inner surface of the positioning seat, the buckle 15 is locked with a hook 10 symmetrically arranged on the left side and the right side of the lower part of the connector main body 5, and the silica gel waterproof ring 6 is tightly compacted with the periphery of the inner surface of the positioning seat, so as to play a role in primary waterproof.
Referring to fig. 3, fig. 8, fig. 9, fig. 10 and fig. 14, the connector main body 5 is provided with a positive and a negative pole plug seat, a guide groove, an elastic piece positioning groove and a power connection jack 28, the positive and the negative pole plug seat comprises a positive pole plug seat 24 and a negative pole plug seat 23, which respectively correspond to the positive pole elastic piece 4 and the negative pole elastic piece 3 for plug-in fit, the guide groove is used for fitting the positive pole elastic piece 4, the negative pole elastic piece 3 and the surface of the connector main body 5 to form a line, the positive pole elastic piece 4 and the negative pole elastic piece 3 are plugged into the connector main body 5 along the elastic piece positioning groove, so that the output plug end of the tail of the positive pole elastic piece 4 is matched with the center of the bottom of the power connection jack 28, the output contact end of the tail of the negative pole elastic piece 3 is matched with the power connection jack 30 at the periphery of the power connection jack 28, the connector main body 5 is further provided with a waterproof plug 2 matching groove, the middle part of the waterproof plug 2 is provided with a rectangular hole 12, and the waterproof plug 2 is matched with the matching groove in a penetrating sleeve, and the glue is sealed in the gap, thereby playing a secondary waterproof role.
Referring to fig. 11 and 12, the positive electrode pin 8 is coaxially and concentrically sleeved with the power receiving jack 28 of the connector body 5, and sealed by sealing glue.
Referring to fig. 4 and 6, the negative pole shrapnel 3 is provided with two sets of output contact ends, including a first negative pole output contact end 7 and a second negative pole output contact end 9, the output contact ends cooperate along two sets of electric slots 30 arranged on the inner wall of the electric receiving jack 28, ensuring better contact and also providing guarantee for large current passing.
In a further embodiment, the input contact end and the output contact end of the positive pole spring plate 4 and the negative pole spring plate 3 are both plated with gold, and a rebound contact 16 is arranged along the plugging direction so as to prevent the contact ends from being reset.
In a further embodiment, barbs are arranged on two sides of the output contact ends of the positive pole elastic piece 4 and the negative pole elastic piece 3, and are in close plug-in fit with elastic piece positioning grooves of the connector main body 5.
In a further embodiment, referring to fig. 5 and 13, a major arc riveting hole 20 is provided at the center of the output contact end of the positive pole spring plate 4, interference protruding ends 17 are symmetrically provided at two sides of the riveting hole 20, and are riveted and connected with an annular clamping groove 11 provided at the tail of the positive pole pin 8, so that the positive pole spring plate contacts with the positive pole pin well, and the electric conduction is stable.
In a further embodiment, the waterproof plug 2 is made of TPE material, so that the compression performance of the waterproof plug 2 is improved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the embodiments described above, and various changes, modifications, substitutions and alterations can be made therein by those having ordinary skill in the art without departing from the spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides a waterproof connector of car DC power, includes panel, connector body, anodal contact pin, anodal shell fragment, negative pole shell fragment, waterproof circle of silica gel and waterproof stopper, its characterized in that:
the outer surface of the panel is an appearance surface, the middle part is provided with a plug port, the inner surface is provided with a positioning seat, the positioning seat comprises a positioning column and a buckle, the positioning column is matched with a U-shaped positioning hole symmetrically arranged on the periphery of a silica gel waterproof ring, so that the silica gel waterproof ring is aligned with the periphery of the inner surface of the positioning seat, the buckle is locked with a clamping hook symmetrically arranged on the left side and the right side of the lower part of the connector main body, the silica gel waterproof ring is tightly compacted with the periphery of the inner surface of the positioning seat,
the connector main body is provided with a positive and a negative pole plug-in seat, a guide groove, an elastic piece positioning groove and a power connection jack, the positive and the negative pole plug-in seats comprise a positive pole plug-in seat and a negative pole plug-in seat which are respectively corresponding to the positive pole elastic piece and the negative pole elastic piece for plug-in fit, the connector main body is also provided with a waterproof plug-in fit groove,
the positive electrode contact pin is coaxially and concentrically sleeved and matched with the power receiving jack of the connector main body, and is sealed by sealing glue,
the negative pole shell fragment is provided with two groups of output contact ends, including a first negative pole output contact end and a second negative pole output contact end, the output contact ends are matched along two groups of electric slots arranged on the inner wall of the electric receiving jack,
the middle part of the waterproof plug is provided with a rectangular hole, is matched with the waterproof plug matching groove in a penetrating way, and is glued and sealed in the gap.
2. The automotive DC power waterproof connector of claim 1, wherein: the guide groove is used for being matched with the positive pole spring plate and the negative pole spring plate to be attached to the surface of the connector main body and connecting the positive pole spring plate and the negative pole spring plate into the connector main body along the spring plate positioning groove, so that the output inserting end of the tail part of the positive pole spring plate is matched with the center of the bottom of the power receiving jack, and the output contact end of the tail part of the negative pole spring plate is matched with the power receiving groove at the periphery of the power receiving jack.
3. The automotive DC power waterproof connector of claim 1, wherein: and the input contact end and the output contact end of the positive pole elastic sheet and the negative pole elastic sheet are plated with gold, and rebound contacts are arranged along the plugging direction.
4. The automotive DC power waterproof connector of claim 1, wherein: the two sides of the output contact end of the positive pole elastic sheet and the negative pole elastic sheet are respectively provided with a barb which is closely spliced and matched with the elastic sheet positioning groove of the connector main body.
5. The automotive DC power waterproof connector of claim 1, wherein: the positive pole shell fragment output contact end center is provided with the major arc riveting hole, the riveting hole bilateral symmetry is provided with the interference protrusion end to with the annular draw-in groove riveting connection that the positive pole contact pin afterbody set up.
6. The automotive DC power waterproof connector of claim 1, wherein: the waterproof plug is made of TPE material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210329953.7A CN114696152B (en) | 2022-03-31 | 2022-03-31 | Waterproof connector for DC power supply of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210329953.7A CN114696152B (en) | 2022-03-31 | 2022-03-31 | Waterproof connector for DC power supply of automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114696152A CN114696152A (en) | 2022-07-01 |
| CN114696152B true CN114696152B (en) | 2023-12-15 |
Family
ID=82140610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210329953.7A Active CN114696152B (en) | 2022-03-31 | 2022-03-31 | Waterproof connector for DC power supply of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114696152B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6152770A (en) * | 1999-03-26 | 2000-11-28 | Wang; Lien-Sheng | Water-proof socket adapter design |
| JP2002289292A (en) * | 2001-03-23 | 2002-10-04 | Yazaki Corp | Water-proof connecter |
| JP3121573U (en) * | 2006-03-02 | 2006-05-18 | 信音企業股▲分▼有限公司 | Connector connection structure |
| CN203707504U (en) * | 2014-02-14 | 2014-07-09 | 步步高教育电子有限公司 | Power supply connector assembly, plug and socket thereof |
| CN106299829A (en) * | 2016-10-10 | 2017-01-04 | 泰兴市八达电连接器有限公司 | Batteries of electric automobile bag both positive and negative polarity single big electric current self-locking connector |
| WO2019077722A1 (en) * | 2017-10-19 | 2019-04-25 | 三菱電機株式会社 | Waterproof connector and method for assembling same |
| CN213692466U (en) * | 2020-11-13 | 2021-07-13 | 东莞市旭华电子有限公司 | Waterproof DC socket |
| CN113173087A (en) * | 2021-04-27 | 2021-07-27 | 奇瑞新能源汽车股份有限公司 | Charging socket of electric automobile and electric automobile with same |
-
2022
- 2022-03-31 CN CN202210329953.7A patent/CN114696152B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6152770A (en) * | 1999-03-26 | 2000-11-28 | Wang; Lien-Sheng | Water-proof socket adapter design |
| JP2002289292A (en) * | 2001-03-23 | 2002-10-04 | Yazaki Corp | Water-proof connecter |
| JP3121573U (en) * | 2006-03-02 | 2006-05-18 | 信音企業股▲分▼有限公司 | Connector connection structure |
| CN203707504U (en) * | 2014-02-14 | 2014-07-09 | 步步高教育电子有限公司 | Power supply connector assembly, plug and socket thereof |
| CN106299829A (en) * | 2016-10-10 | 2017-01-04 | 泰兴市八达电连接器有限公司 | Batteries of electric automobile bag both positive and negative polarity single big electric current self-locking connector |
| WO2019077722A1 (en) * | 2017-10-19 | 2019-04-25 | 三菱電機株式会社 | Waterproof connector and method for assembling same |
| CN213692466U (en) * | 2020-11-13 | 2021-07-13 | 东莞市旭华电子有限公司 | Waterproof DC socket |
| CN113173087A (en) * | 2021-04-27 | 2021-07-27 | 奇瑞新能源汽车股份有限公司 | Charging socket of electric automobile and electric automobile with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114696152A (en) | 2022-07-01 |
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