CN2817121Y - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN2817121Y CN2817121Y CNU2005200635542U CN200520063554U CN2817121Y CN 2817121 Y CN2817121 Y CN 2817121Y CN U2005200635542 U CNU2005200635542 U CN U2005200635542U CN 200520063554 U CN200520063554 U CN 200520063554U CN 2817121 Y CN2817121 Y CN 2817121Y
- Authority
- CN
- China
- Prior art keywords
- connector
- contact pin
- contact
- convex
- live wire
- 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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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
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/66—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with pins, blades or analogous contacts and secured to apparatus or structure, e.g. to a wall
- H01R24/68—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with pins, blades or analogous contacts and secured to apparatus or structure, e.g. to a wall mounted on directly pluggable apparatus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2103/00—Two poles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model discloses an electric connector, which solves the technical problem that a contact of the electric connector is not in contact with a bead, ensures the safety use and has the advantage of simple structure. The utility model adopts the following technical scheme that the electric connector is provided with a convex type connector and a concave type connector, an annular groove is arranged in a columnar bulge arranged on the convex connector, the bottom of the annular groove is provided with a live wire contact piece, a ground wire contact piece and a zero wire contact piece, the bottom of the groove is provided with a discharge hole, a contact of the live wire contact piece and the zero wire contact piece is arranged outside the side wall of the groove, an elastic contact of the ground wire contact piece is arranged in a square hole of the outer wall of the columnar bulge and the outer wall of the columnar bulge is protruded. The utility model has the characteristic that a live wire contact, a zero wire contact and the ground wire contact can not be in contact with beads even if water spatters into the groove of the connector. The utility model increases the safety in use, has the advantage of simple structure and reduces the product cost simultaneously. The utility model is suitable for mass production.
Description
Technical field
The utility model relates to a kind of household electrical appliance, the electric connector that the cordless electric appliance main body of using in particularly a kind of household electrical appliance and chassis are connected fast.
Background technology
Cordless electric appliance with realize quick connection of power supply by electric connector.Present commercially available electric connector, prevailing is The foreign chicken products, price is generally all more expensive.Electric connector is in convenient the use, and some shortcomings also come out.Electric connector generally is made of convex connector and matrix connector, supporting use.The spill connector is connected with the main body of cordless electric appliance, convex-shaped connector is contained in base and is connected with power supply, in use and use after, if when splashing water on the connector because of carelessness, can attach and retain moisture in the groove of convex connector part, can bring unsafe factor and the charged contact of connector is stained with moisture.At above-mentioned situation, the production company of electric connector is when preventing that moisture from flowing into groove once in a while, the general discharge orifice of all structurally having taked is dredged or the technical measures of spring and the shutoff of obstruct baffle plate, and these two kinds of structures still can not avoid water to attach on charged contact fully.
Summary of the invention
The purpose of this utility model provides a kind of electric connector, and the technical problem that solve is to make the contact of electric connector not be stained with the globule, guarantees safe in utilization, and simple in structure.
The utility model is by the following technical solutions: a kind of electric connector, have convex connector and matrix connector, be provided with the groove of ring-type in the columnar projections on the convex connector, live wire contact pin, ground wire contact pin and zero line contact pin are equipped with in its bottom, the bottom of described groove has the hole of earial drainage, the contact of live wire contact pin and zero line contact pin is arranged on outside the sidewall of groove, and the spring contact of ground wire contact pin is arranged in the square hole of columnar projections outer wall, and the outer wall of outstanding columnar projections.
Be provided with the centre bore coaxial in the columnar projections of the utility model convex connector with groove, the matrix connector is with after the convex connector is connected, the center push rod of matrix connector enters in the centre bore of convex connector, and the ground wire becket of matrix connector and the ground wire contact pin contact on the convex connector touch.
Convex connector bottom groove of the present utility model is provided with the live wire contact that touches with live wire contact pin, the zero line contact that touches with zero line contact pin, the bending part of live wire contact end is packed into and is fixed in the groove behind the fixed block, the bending part of middle part stretches in the breach of annular recess sidewall on the convex-shaped connector, and the live wire contact pin contact on the sidewall of outstanding annular recess, the firewire contact on the live wire contact and live wire contact pin forms to disconnect and contacts; The bending part of zero line contact is packed into behind the fixed block in groove, the centre bore of the contact alignment convex-shaped connector of its transverse fold upper end, and the zero line contact on the zero line contact forms to disconnect with zero line contact pin contact in the zero line contact pin and contacts.
Ground wire becket of the present utility model is fixed on the matrix connector body by the supported hole and the bending of passing on the matrix connector body along its circumferential leg.
The metal contact pin that connects on the metal contact pin that connects on the live wire becket of the present utility model, the center push rod is injection-moulded in the matrix of high-strength fire-retardant fire proofing, and the binding post on the matrix connector is connected with metal contact pin, binding post is connected with metal contact pin.
Pass the hole slot of binding post on the utility model matrix connector from matrix connector lug, the fin after the bending stretches out from the top or from bottom.
The bottom of the utility model convex-shaped connector communicates.
The utility model compared with prior art, the contact of live wire contact pin and zero line contact pin is arranged on outside the sidewall of groove, the spring contact of ground wire contact pin is arranged in the square hole of columnar projections outer wall, and the outer wall of outstanding columnar projections, even water has splashed in the groove of connector, the globule all is not stained with in firewire contact, zero line contact and ground wire contact, increased the fail safe of using, simple in structure, reduced the cost of product simultaneously, be suitable for producing in enormous quantities.
Description of drawings
Fig. 1 is the utility model electric connector example structure schematic diagram.
Fig. 2 is the utility model electric connector embodiment matrix connector schematic diagram.
Fig. 3 is the bottom schematic view of the utility model electric connector embodiment convex connector.
Fig. 4 is the utility model electric connector embodiment convex connector schematic diagram.
Fig. 5 is the utility model electric connector embodiment contact pin connection diagram when touching.
Fig. 6 is the utility model electric connector embodiment contact pin part schematic diagram.
Fig. 7 is the utility model electric connector embodiment convex-shaped connector cutaway view.
Fig. 8 is the utility model electric connector embodiment spill connector shell cutaway view.
Fig. 9 is the utility model electric connector embodiment spill connector lug cutaway view.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.As shown in Figure 1, electric connector of the present utility model is made up of convex connector 1 and matrix connector 10, connecting back convex connector 1 can be around 360 ° of rotation of common axis with respect to matrix coupling 10, convex connector 1 is connected with the base of cordless electric appliance, base is by power lead plug and power connection, matrix connector 10 is connected with the main body of cordless electric appliance, is provided with switch in addition and controls power connection.
The main body of convex connector 1 and matrix connector 10 is injection molded by the high-strength fire-retardant fire proofing.As shown in Figure 3 and Figure 4, convex connector 1 extends a columnar projections 7 along the axis direction vertical with its base baseplane, axis part is furnished with a centre bore 18, have in the columnar protrusions one with the groove 19 of the coaxial ring-type of centre bore 18, the bottom of groove 19 has the hole of earial drainage.The bottom of convex connector 1 simultaneously is the space of not sealing, mid portion is a circle, the marginal portion is divided into the groove of several separate space by the convex tendon 29,30 of end, three groups of difform electric connecting sheets are housed: live wire contact pin 2, ground wire contact pin 3 and zero line contact pin 4 in the groove, wherein, ground wire contact pin 3 is fixed in the middle interval trough of convex connector 1, and the spring contact 17 of ground wire contact pin 3 one ends is arranged in the square hole of columnar projections 7 outer walls, and the outer wall of outstanding columnar projections 7; Live wire contact pin 2 is fixed in the side separate slot, and zero line contact pin 4 is arranged in the opposite side symmetry separate slot; As shown in Figure 5 and Figure 6, the circular space of mid portion is divided into three cavitys independently mutually by partition, be respectively equipped with in the cavity with live wire contact pin 2 formation and can disconnect the live wire contact 28 that is connected, can disconnect the zero line contact 27 that is connected with zero line contact pin 4 formation, pack into after the bending part 23 of live wire contact 28 and fixed block 25 combinations in the cavity of convex connector 1 inside, the protruding part 20 at live wire contact pin 28 middle parts is arranged in the breach in annular recess 19 sidewalls and the sidewall of outstanding annular recess, and the firewire contact 9 during 28 distortion of live wire contact on it contacts with the live wire contact pin contact 8 in the live wire contact pin 2; Pack into after the bending part 24 of zero line contact 27 and fixed block 26 combinations in convex connector 1 inner another cavity, zero line contact 6 during zero line contact 27 distortion on it contacts with the zero line contact pin contact 5 of zero line contact pin 4, the cavity convex tendon that zero line contact pin contact 5 is provided with the position in live wire contact pin contact 8, the zero line contact pin 4 in the live wire contact pin 2 has breach, under not-connected status, all outer with the being isolated in cavity live wire contact pin contact 8 in firewire contact 9, zero line contact 6, zero line contact pin contact 5 are relative and do not touch.The contact 21 of zero line contact 27 transverse fold upper ends just in time is positioned at the bottom of convex connector 1 centre bore 18, aims at the centre bore 18 of convex-shaped connector 1, and live wire contact 28 fixing backs one end stretches in the endless groove 19 of convex connector 1.
As shown in Figure 2, the groove center of matrix connector 10, be consolidated with center push rod 14, live wire becket 15 is fixed on the periphery of center push rod 14, the most external of groove is fixed with ground wire becket 22, live wire becket 15, ground wire becket 22 all with the 14 coaxial settings of center push rod, mutual insulating, ground wire becket 22 is fixed on matrix connector 10 bodies by the supported hole and the bending of passing on matrix connector 10 bodies along its circumferential a plurality of legs 11.
As shown in Figure 7 and Figure 8, the metal contact pin 32 that connects on the metal contact pin 31 that connects on the live wire becket 15, the center push rod 14 in the matrix connector 10 is injection-moulded in the matrix of high-strength fire-retardant fire proofing, live wire becket 15 and center push rod 14 mutual insulatings, binding post 16 on the matrix connector 10 is connected with metal contact pin 31, and another binding post 13 on the matrix connector 10 is connected with metal contact pin 32.Pass through the hole slot 33 of binding post 13,16 from spill connector 10 body lugs, touch with metal contact pin 32, metal contact pin 31 respectively, formation is rigidly connected, stretch up or down by the back fin the hole slot 33 of binding post 13,16 from spill connector 10 body lugs, use for you to choose, according to the bending needs of product structure, select binding post.The shape of the hole slot 33 on the spill connector 10 body lugs can be the T font, also can be other shapes.Because it is available to go out line position, the problem of interfering with each other of strong and weak electricity can weaken in the product work.When the main body of cordless electric appliance and base combine, be that convex connector 1 is when being connected with matrix connector 10, convex connector 1 enters in the groove of matrix connector 10, at this moment, the ground wire becket 22 of matrix connector 10 at first contacts the ground wire contact pin contact 17 of outstanding cylindrical on the convex connector 1, oppress and closely touch with its maintenance, simultaneously, matrix connector 10 center push rods 14 enter in the centre bore 18 of convex connector, elasticity contact pin contact 21 in the compressing convex connector centre bore 18,21 displacements of elasticity contact pin contact cause the zero line contact 6 on the zero line contact 27 outwards to move, and touch with zero line contact pin contact 5 in the zero line contact pin 4; Live wire becket 15 in the middle of matrix connector 10 grooves enters among the groove 19 of convex connector 1, extruding live wire contact 28 stretches into the bending contact 20 in the groove 19 sidewall hole slots of convex-shaped connector 1, force bending contact 20 to drive live wire contact 28 to being displaced sideways, the firewire contact 9 on the live wire contact 28 touches live wire contact pin contact 8.When convex-shaped connector 1 and matrix connector 10 touch put in place after, the ground wire on the electric connector, live wire and zero line are connected sequentially, have finished the process that connects, cordless electric appliance begins heating.
Particularly, live wire contact pin 2, the outline line of the ring-like convex tendon of convex connector 1 bottom surface is not exposed in the contact of zero line contact pin 4, it is the outline line that charged contact can not surmount the sidewall formation of groove 19, at this moment, visible hard contact is not charged on the convex-shaped connector 1, even this has just guaranteed that water has splashed in the groove 19 of connector, also can flow in the base along the groove of sidewall by bottom land, even the moisture of residue small amount of residual, because live wire contact 28, zero line contact 27 does not directly contact live wire contact pin 2, zero line contact pin 4.So the globule is not stained with in firewire contact 9, zero line contact 6 and ground wire contact, thereby the safety in having guaranteed to use.
Claims (7)
1. electric connector, have convex connector (1) and matrix connector (10), be provided with the groove (19) of ring-type in the columnar projections (7) on the convex connector (1), live wire contact pin (2), ground wire contact pin (3) and zero line contact pin (4) are equipped with in its bottom, it is characterized in that: the bottom of described groove (19) has the hole of earial drainage, the contact of live wire contact pin (2) and zero line contact pin (4) is arranged on outside the sidewall of groove (19), the spring contact (17) of ground wire contact pin (3) is arranged in the square hole of columnar projections (7) outer wall, and the outer wall of outstanding columnar projections (7).
2. electric connector according to claim 1, it is characterized in that: be provided with the centre bore (18) coaxial in the columnar projections (7) of described convex connector (1) with groove (19), matrix connector (10) is with after convex connector (1) is connected, the center push rod (14) of matrix connector (10) enters in the centre bore (18) of convex connector (1), and the ground wire contact pin contact (17) on the ground wire becket (22) of matrix connector (10) and the convex connector (1) touches.
3. electric connector according to claim 2, it is characterized in that: described convex connector (1) bottom groove is provided with the live wire contact (28) that touches with live wire contact pin (2), the zero line contact (27) that touches with zero line contact pin (4), the bending part (23) of live wire contact (28) end is packed into and is fixed in the groove behind the fixed block (25), the bending part of middle part (20) stretches into convex-shaped connector (1) and goes up in the breach of annular recess (19) sidewall, and the live wire contact pin contact (8) on the sidewall of outstanding annular recess (19), the firewire contact (9) on the live wire contact (28) and live wire contact pin (2) forms to disconnect and contacts; The bending part (24) of zero line contact (27) is packed fixed block (26) back in groove, the centre bore (18) of convex-shaped connector (1) is aimed in the contact of its transverse fold upper end (21), and the zero line contact (6) on the zero line contact (27) can disconnect with zero line contact pin contact (5) formation in the zero line contact pin (4) and contacting.
4. electric connector according to claim 3 is characterized in that: described ground wire becket (22) is fixed on matrix connector (10) body by the supported hole and the bending of passing along its circumferential leg (11) on matrix connector (10) body.
5. electric connector according to claim 4, it is characterized in that: described live wire becket (15) is gone up the metal contact pin (31), the center push rod (14) that connect and is gone up the metal contact pin (32) that connects and be injection-moulded in the matrix of high-strength fire-retardant fire proofing, and the binding post (16) on the matrix connector (10) is connected with metal contact pin (31), binding post (13) is connected with metal contact pin (32).
6. electric connector according to claim 5 is characterized in that: pass the hole slot (33) of the binding post on the described matrix connector (10) (16,13) from matrix connector (10) lug, the fin after the bending stretches out from the top or from bottom.
7. electric connector according to claim 6 is characterized in that: the bottom of described convex-shaped connector (1) communicates.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200635542U CN2817121Y (en) | 2005-08-19 | 2005-08-19 | Electric connector |
| PCT/CN2005/001453 WO2007019737A1 (en) | 2005-08-19 | 2005-09-10 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200635542U CN2817121Y (en) | 2005-08-19 | 2005-08-19 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2817121Y true CN2817121Y (en) | 2006-09-13 |
Family
ID=36996931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200635542U Expired - Fee Related CN2817121Y (en) | 2005-08-19 | 2005-08-19 | Electric connector |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN2817121Y (en) |
| WO (1) | WO2007019737A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377068A (en) * | 2011-07-17 | 2012-03-14 | 太平洋电子(昆山)有限公司 | Waterproof structure for external connecting terminals of temperature controller |
| CN106992389A (en) * | 2017-04-21 | 2017-07-28 | 中山市古镇宏立电线电器厂有限公司 | Combined type separated time slot device for plug |
| CN107634403A (en) * | 2017-09-27 | 2018-01-26 | 安捷励电控技术南京有限公司 | Branch connector |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2542554B (en) * | 2015-09-15 | 2018-02-28 | Otter Controls Ltd | Cordless connectors |
| CN109888569A (en) * | 2019-03-05 | 2019-06-14 | 邱利萍 | A kind of hand warmer improving electric connection structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9319159D0 (en) * | 1993-09-16 | 1993-11-03 | Strix Ltd | Cordless electrical appliances and connectors therefor |
| CN1220309C (en) * | 2002-12-02 | 2005-09-21 | 邵志成 | Electric connection socket |
| CN1558471A (en) * | 2004-02-07 | 2004-12-29 | 柯赐龙 | Lower adaptor of electric connector for cordless electric appliance |
-
2005
- 2005-08-19 CN CNU2005200635542U patent/CN2817121Y/en not_active Expired - Fee Related
- 2005-09-10 WO PCT/CN2005/001453 patent/WO2007019737A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377068A (en) * | 2011-07-17 | 2012-03-14 | 太平洋电子(昆山)有限公司 | Waterproof structure for external connecting terminals of temperature controller |
| CN106992389A (en) * | 2017-04-21 | 2017-07-28 | 中山市古镇宏立电线电器厂有限公司 | Combined type separated time slot device for plug |
| CN107634403A (en) * | 2017-09-27 | 2018-01-26 | 安捷励电控技术南京有限公司 | Branch connector |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007019737A1 (en) | 2007-02-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060913 Termination date: 20090921 |