CN215284414U

CN215284414U - Lead-acid charging port

Info

Publication number: CN215284414U
Application number: CN202121480239.5U
Authority: CN
Inventors: 赵亚龙; 熊丕明; 房万军
Original assignee: Wenzhou Youduan Electronics Co ltd
Current assignee: Zhejiang Youduan Precision Electronic Technology Co.,Ltd.
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-12-24
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a lead acid mouth that charges, its technical scheme main points are including the needle file, two peg graft the pin that charges on the needle file and two inner loop pins of pegging graft on the needle file, two inner loop pins are located two between the pin that charges, still including the conducting strip of needle file terminal surface laminating, set up two pin holes that supply two inner loop pins to alternate respectively on the conducting strip, the hole department in two pin holes all is provided with a plurality of elastic chucking teeth that have, a plurality of chucking teeth all to link to hit piece one side buckling and with the perisporium laminating of inner loop pin, two inner loop pins pass through the conducting strip electricity and are connected, the phenomenon of processing complicacy and easy damage among the prior art has been solved.

Description

Lead-acid charging port

Technical Field

The utility model relates to an electric motor car makes technical field, and more specifically the saying so relates to a lead-acid charging mouth.

Background

With the progress of science and technology, the travel of new energy is gradually popularized, the market demand on new energy vehicles is gradually increased, electric vehicles are purchased and used by consumers with the advantages of portability, no pollution and energy conservation, most of energy sources adopted by the electric vehicles are lead-acid batteries, a charging port structure is used as a structure for connecting a charging pile in the electric vehicles during charging, the performance and the structure of the charging port directly influence the charging effect, as shown in figure 1, the existing lead-acid charging port comprises a needle base 1, two charging pins 2 inserted on the needle base 1, two inner loop pins 3 inserted on the needle base 1 and a U-shaped connecting piece 9 for electrically connecting the two inner loop pins 3 with each other, when the lead-acid charging port is electrically connected with the charging pile, the lead-acid batteries are charged through the charging pins, and the inner loop pins 3 and the U-shaped connecting piece 9 close circuits with certain specific functions and disconnection in the charging pile, for example, the prompting lamp is turned on during charging to inform a user that the lead-acid charging port is in normal charging, and the design of the lead-acid charging port has defects, wherein in the first aspect, in the production process, the two ends of the U-shaped connecting piece 9 are respectively welded with the two inner loop pins 3, the phenomena of insufficient soldering and easy breakage exist, and the processing cost is high; secondly, for mass production, the manipulator is required to clamp the U-shaped connecting piece 9 and align the two ends of the connecting piece with the two inner loop pins 3 respectively, so that the processing is complex.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a stable in structure, electric conductivity are good and the lead acid mouth that charges of being convenient for process.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a lead acid mouth that charges, includes the needle file, two pegs graft in the needle file charge pin and two inner loop pins of pegging graft on the needle file, two the inner loop pin is located two and charges between the pin, still including the conducting strip of needle file terminal surface laminating, set up two pin holes that supply two inner loop pins to alternate respectively on the conducting strip, two the pore mouth department in pin hole all is provided with a plurality of elastic chucking teeth that have, and is a plurality of chucking tooth is all to linking the perviousness piece lateral buckling and with the perisporium laminating of inner loop pin, two the inner loop pin passes through the conducting strip electricity and connects.

As a further improvement, the chucking tooth is isosceles trapezoid shape along pin hole diameter direction's cross-section, the lower base and the conducting strip fixed connection of chucking tooth and its upper base and inner loop pin laminating.

As a further improvement, every a plurality of chucking teeth of pin hole aperture department all are the circumference equipartition around the inner loop pin.

As a further improvement, the utility model discloses a every the quantity of the chucking tooth of pin hole orifice department is four.

As a further improvement, the conducting strip is including two lantern rings and three and two lantern ring alternating connection pieces that set up with the coaxial setting of two inner loop pins respectively, the pin hole is located the lantern ring, the width of connecting piece is less than the diameter of the lantern ring.

As a further improvement of the utility model, the width of the connecting sheet is the same as the diameter of the pin hole.

The utility model has the advantages that: compared with the prior art, the design of welding the U-shaped connecting piece and the inner loop pin on each needle base one by one simplifies the steps, reduces the processing difficulty, improves the processing efficiency and reduces the processing cost in process; the plurality of clamping teeth clamp the inner loop pins, so that the connection stability of the conducting plate and the inner loop pins is effectively improved, and the electrifying performance is good; compared with the hanging design of the needle seat relative to the U-shaped connecting piece in the prior art, the conducting piece is attached to the end face of the needle seat, the influence of external force on the conducting piece can be avoided, and the connection stability between the conducting piece and the inner loop pin is further ensured.

Drawings

FIG. 1 is a front view of the prior art;

FIG. 2 is a front view of the present invention;

fig. 3 is a perspective view of the present invention.

Reference numerals: 1. a needle seat; 2. a charging pin; 3. an inner loop pin; 4. a conductive sheet; 5. a pin hole; 6. clamping the teeth; 7. a collar; 8. connecting sheets; 9. u-shaped connecting piece.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals.

Referring to fig. 1 to 3, the lead-acid charging port of the present embodiment includes a needle base 1, two charging pins 2 inserted into the needle base 1, and two inner loop pins 3 inserted into the needle base 1, where the two inner loop pins 3 are located between the two charging pins 2;

based on the prior art, the device also comprises a conducting strip 4 which is attached to the end face of the needle seat 1, two pin holes 5 for two inner loop pins 3 to penetrate are arranged on the conducting strip 4, a plurality of elastic clamping teeth 6 are arranged at the hole openings of the two pin holes 5, the number of the clamping teeth 6 at the hole opening of each pin hole 5 is four, the four clamping teeth 6 at the hole opening of each pin hole 5 are uniformly distributed around the inner loop pins 3 in a circumferential manner, a long conductive strip is selected in the processing process, the pin holes 5 with the four clamping teeth 6 are sequentially hollowed out along the length direction of the conductive strip, the clamping teeth 6 are in an isosceles trapezoid shape, the lower bottom edges of the clamping teeth 6 are fixedly connected with the conducting strip 4, the clamping teeth 6 and the pin holes 5 are positioned in the same plane, the distance between every two pin holes 5 is the same as the distance between the two inner loop pins 3, then, the processed conductive bar is locally moved to the position right below the needle seat 1 through a feeding device, pin holes 5 correspond to inner loop pins 3, the needle seat 1 is pushed to the conductive bar, the inner loop pins 3 push clamping teeth 6 and penetrate through the pin holes 5 to enable the clamping teeth 5 to bend towards one side of the conductive bar and clamp the inner loop pins 3, finally, the conductive sheet 4 connected to the needle seat 1 is cut off from the conductive bar through a cutting mode, the two inner loop pins 3 are electrically connected through the conductive sheet 4, the subsequent needle seat 1 to be processed is replaced, the steps are repeated, and the known conductive bar is formed by connecting a plurality of conductive sheets 4;

compared with the design of the prior art that the U-shaped connecting piece is welded with the inner loop pin 3 on each needle seat 1 one by one, the design of the conducting strip 4 simplifies the steps, reduces the processing difficulty, improves the processing efficiency and reduces the processing cost in process; the plurality of clamping teeth 6 clamp the inner loop pin 3, so that the connection stability of the conducting strip 4 and the inner loop pin 3 is effectively improved, and the electrifying performance is good; compared with the end face attachment of the needle seat 1, the end face attachment of the conducting strip 4 and the needle seat 1 can avoid the influence of external force on the conducting strip 4 in the suspended design of the U-shaped connecting piece relative to the needle seat 1 in the prior art, and further ensures the connection stability between the conducting strip 4 and the inner loop pin 3.

As an improved specific embodiment, referring to fig. 3, the conductive plate 4 includes two collars 7 respectively coaxially disposed with the two inner loop pins 3 and three connecting plates 8 alternately disposed with the two collars 7, the pin holes 5 are located on the collars 7, the width of the connecting plates 8 is the same as the diameter of the pin holes 5, and the conductive plate 4 is designed in a shape of glasses, so that the material consumption of the conductive plate 4 can be reduced, and the cost can be reduced compared with the design that the conductive plate 4 is a rectangular plate.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a lead acid mouth that charges, includes that needle file (1), two peg graft and charge pin (2) and two interior return circuit pin (3) of pegging graft on needle file (1) two interior return circuit pin (3) are located two and charge between pin (2), its characterized in that: still including conducting strip (4) of needle file (1) terminal surface laminating, set up two pin holes (5) that supply two inner loop pins (3) to alternate respectively on conducting strip (4), two the drill way department of pin hole (5) all is provided with a plurality of elastic chucking teeth (6), and is a plurality of chucking teeth (6) are all laminated to conducting strip (4) one side buckling and with the perisporium of inner loop pin (3), two inner loop pin (3) are connected through conducting strip (4) electricity.

2. A lead-acid charging port according to claim 1 wherein: the section of the clamping tooth (6) along the diameter direction of the pin hole (5) is in an isosceles trapezoid shape, the lower bottom edge of the clamping tooth (6) is fixedly connected with the conducting strip (4), and the upper bottom edge of the clamping tooth is attached to the inner loop pin (3).

3. A lead-acid charging port according to claim 1 or 2 wherein: and a plurality of clamping teeth (6) at the hole opening of each pin hole (5) are uniformly distributed around the inner loop pin (3) in a circumferential manner.

4. A lead-acid charging port according to claim 1 or 2 wherein: the number of the clamping teeth (6) at the hole opening of each pin hole (5) is four.

5. A lead-acid charging port according to claim 1 or 2 wherein: the conducting strip (4) comprises two lantern rings (7) which are respectively coaxial with the two inner loop pins (3) and three connecting pieces (8) which are alternately arranged with the two lantern rings (7), the pin holes (5) are located on the lantern rings (7), and the width of each connecting piece (8) is smaller than the diameter of each lantern ring (7).

6. A lead-acid charging port according to claim 5 wherein: the width of the connecting sheet (8) is the same as the diameter of the pin hole (5).