CN215119429U - Small-size electric connector for electric power-assisted bicycle - Google Patents
Small-size electric connector for electric power-assisted bicycle Download PDFInfo
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- CN215119429U CN215119429U CN202023243596.8U CN202023243596U CN215119429U CN 215119429 U CN215119429 U CN 215119429U CN 202023243596 U CN202023243596 U CN 202023243596U CN 215119429 U CN215119429 U CN 215119429U
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- assisted bicycle
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Abstract
The utility model discloses an electric power-assisted bicycle is with small-size electric connector, including public end casing and the female end casing that coaxial grafting links to each other, public end casing is drum shape and inner chamber and inlays the pin needle with the axial, the terminal surface of public end casing is provided with the bellied flange of axle center direction, be provided with the bead in the middle of the flange, the terminal surface cooperation flange and the bead of public end casing form and prevent slow-witted mouth, the outer peripheral face runs through and has seted up the fore shaft in the public end casing. In this way, the utility model provides an electric power assisted bicycle is with small-size electric connector, the design arrow point out the lug is directional prevents slow-witted mouth, guides the public female end to align with the accuracy to inserting, and the fixed public female end of buckle is in order to guarantee its stability of pulling out power after inserting to set up the waterproof performance who fills up in order to guarantee the connector at public female end contact interface, and this application volume is littleer, simple to operate, and it is stable, waterproof performance is outstanding to insert and pull out the power.
Description
Technical Field
The utility model relates to an electric connector field especially relates to an electric power assisted bicycle is with small-size electric connector.
Background
A connector is an electronic passive element for connecting two separate systems, enabling two consumers to be connected to each other and to operate even when they are separated by a distance.
The connector is generally made up of three parts: terminal, navigation key, connector housing. In the design of the connector, the aspects of the plugging force, the plugging service life, the contact resistance, the appearance structure, the waterproof performance and the like are mainly considered.
The connector on the current electric power bicycle often all is bigger than normal, wants to put into the bicycle with the connector, must bore a great hole on the bicycle, has taken more position again when influencing the outward appearance. In addition, to reduce the size of the connector, the stability of the insertion and extraction force and the waterproof performance of the connector are affected to some extent.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a technical problem that mainly solves provides an electric power assisted bicycle is with small-size electric connector, and the design arrow point indicates that the lug is directional prevents slow-witted mouth, instructs public female end to align with the accuracy to inserting, and the fixed public female end of buckle is in order to guarantee its stability of pulling out power after inserting to set up the waterproof performance of sealed pad in order to guarantee the connector at public female end contact interface, and this application volume is littleer, simple to operate, and it is stable, waterproof performance is outstanding to insert and pull out power.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides an electric power assisted bicycle is with small-size electric connector, including public end casing and the female end casing that coaxial grafting links to each other, public end casing is drum shape and inner chamber and inlays the pin needle with the axial, the terminal surface of public end casing is provided with the bellied flange to the axle center direction, be provided with the bead in the middle of the flange, the terminal surface cooperation flange and the bead of public end casing form and prevent staying mouthful, public end casing inner peripheral face runs through and has seted up the fore shaft, female end casing is the cylindricality and is provided with perpendicular cross-section in order to match the flange, erect the axial in the middle of the cross-section and set up the reentrant corner slot in order to match the bead, female end casing inner core axial is seted up pin hole in order to match the pin needle, female end casing outer peripheral face is provided with the buckle in order to match the fore shaft.
In a preferred embodiment of the present invention, the root of the pin is provided with a sealing pad.
In a preferred embodiment of the present invention, the root connecting line end of the male terminal casing is made of an injection molded shell or panel, and the surface of the injection molded shell of the line end is provided with an injection molded arrow indicating protrusion, and the arrow indicating protrusion points to the rib.
In a preferred embodiment of the present invention, the pin needles have a diameter of 0.3mm and are distributed in an isosceles triangle around the axis of the male housing.
In a preferred embodiment of the present invention, the rib has a circular hole.
In a preferred embodiment of the present invention, the locking notches are two in number, and are shaped like a flat notch and symmetrically distributed on two sides of the protruding edge.
The utility model has the advantages that: the utility model provides a pair of small-size electric connector for electric power bicycle, the design arrow point out the lug is directional prevents slow-witted mouth, instructs public female end to align with the accuracy to inserting, to inserting the stability of the fixed public female end of back buckle in order to guarantee its pull-out power to set up the waterproof performance who fills up in order to guarantee the connector at public female end contact interface, this application volume is littleer, simple to operate, and insert and pull out power stability, waterproof performance is outstanding.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
FIG. 1 is a male end structure view of a preferred embodiment of a small-sized electrical connector for an electric power-assisted bicycle of the present invention;
FIG. 2 is a cross-sectional view of the male end of a preferred embodiment of a small size electrical connector for an electric bicycle of the present invention;
FIG. 3 is a schematic diagram of a male end plate of a small-sized electrical connector for an electric bicycle according to a preferred embodiment of the present invention;
FIG. 4 is a female end structure view of a small-sized electric connector for an electric power-assisted bicycle according to a preferred embodiment of the present invention
Fig. 5 is a structural view of a female end plate of a small-sized electric connector for an electric power-assisted bicycle according to a preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-5, a small-sized electrical connector for an electric bicycle is disclosed, which comprises a male housing 1 and a female housing 2 coaxially connected by plugging, the male end shell 1 is cylindrical, a pin 3 is coaxially embedded in an inner cavity of the male end shell, a flange 4 protruding towards the axis direction is arranged on the end surface of the male end shell 1, a convex edge 5 is arranged in the middle of the flange 4, the end surface of the male end shell 1 is matched with the flange 4 and the convex edge 5 to form a foolproof opening 6, the inner and outer circumferential surfaces of the male end shell 1 are provided with a locking notch 7 in a penetrating way, the female end shell 2 is cylindrical and is provided with a vertical section 8 to match with the flange 4, an internal corner groove 9 is axially formed in the middle of the vertical section 8 to match the convex rib 5, a pin hole 10 is axially formed in the inner core of the female end shell 2 to match the pin needle 3, and a buckle 11 is arranged on the outer peripheral surface of the female end shell 2 to match the locking notch 7. The catch 11 is used to increase the extraction force and ensure the stability of the insertion and extraction force. This application prevents slow-witted mouth 6 in the contact opening design of public female end shell to this makes things convenient for the plug-in of public female end.
Wherein, the root of pin 3 is provided with a sealing gasket 12.
Further, the root of the male end shell 1 is connected with the end injection molding shell 13 or the panel 14, the surface of the end injection molding shell 13 is provided with an injection molding arrow indication bump 15, and the arrow indication bump 15 points to the rib 5. Therefore, the direction in which the male end and the female end are oppositely inserted can be seen at a glance. The wire end injection molding shell 13 can be directly connected with a wire harness, the panel 14 can be embedded on a structural member, and two styles of the wire end and the panel 14 are designed to deal with different application environments. Similarly, the root of the female housing 2 may be connected to the end injection molded shell 13 or the face plate 14.
Furthermore, pin 3 total 3, the diameter is 0.3mm, distributes with isosceles triangle structure around 1 axle center of public end casing. Through the mode, the overall design structure of the connector is reduced, and the problem that the existing connector is large in size and needs to be provided with a large hole in a bicycle is solved.
Furthermore, a circular hole 16 is formed on the rib 4.
Furthermore, the number of the locking notches 7 is two, the locking notches are in a flat notch shape and are symmetrically distributed on two sides of the convex rib 5.
To sum up, the utility model provides an electric power assisted bicycle is with small-size electric connector, design arrow point out 15 directional slow-witted mouths 6 of preventing of lug, guide public female end to align with the accuracy to inserting, to inserting the stability of the fixed public female end of back buckle 11 in order to guarantee its pull-out power to set up sealed waterproof performance who fills up 12 in order to guarantee the connector at public female end contact interface, this application volume is littleer, simple to operate, and insert and pull out power stability, waterproof performance is outstanding.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (6)
1. The utility model provides an electric power assisted bicycle is with small-size electric connector, its characterized in that, including public end casing and the female end casing that coaxial grafting links to each other, public end casing is drum shape and inner chamber and inlays the pin needle with the axial, the terminal surface of public end casing is provided with the bellied flange of axis direction, be provided with the bead in the middle of the flange, terminal surface cooperation flange and the bead of public end casing form prevents slow-witted mouthful, the outer peripheral face runs through in the public end casing has seted up the fore shaft, female end casing is the cylindricality and is provided with perpendicular cross-section in order to match the flange, the axial is seted up the reentrant corner slot in order to match in the middle of perpendicular cross-section the bead, female end casing inner core axial is seted up the pin hole in order to match the pin needle, female end casing outer peripheral face is provided with the buckle in order to match the fore shaft.
2. The small-sized electric connector for an electric power-assisted bicycle according to claim 1, wherein the root of the pin is provided with a gasket.
3. The small-sized electrical connector for an electric power assisted bicycle according to claim 1, wherein the root connecting terminal of the male terminal housing is an injection molded shell or panel, and an injection molded arrow-indicating protrusion is provided on the surface of the injection molded shell, and the arrow-indicating protrusion is directed to the rib.
4. The small-sized electrical connector for an electric power-assisted bicycle according to claim 1, wherein the pins have a diameter of 0.3mm and are distributed in an isosceles triangle around the axis of the male housing.
5. The small-sized electrical connector for an electric power assisted bicycle according to claim 1, wherein the flange has a circular hole formed therein.
6. The small size electrical connector for an electrically assisted bicycle according to claim 1, wherein the locking notches are two in number and have a flat shape and are symmetrically disposed on both sides of the rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023243596.8U CN215119429U (en) | 2020-12-29 | 2020-12-29 | Small-size electric connector for electric power-assisted bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023243596.8U CN215119429U (en) | 2020-12-29 | 2020-12-29 | Small-size electric connector for electric power-assisted bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215119429U true CN215119429U (en) | 2021-12-10 |
Family
ID=79308804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023243596.8U Active CN215119429U (en) | 2020-12-29 | 2020-12-29 | Small-size electric connector for electric power-assisted bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215119429U (en) |
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2020
- 2020-12-29 CN CN202023243596.8U patent/CN215119429U/en active Active
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