CN217545632U

CN217545632U - Vehicle-mounted charger negative electrode elastic sheet for vehicle-mounted charger

Info

Publication number: CN217545632U
Application number: CN202221056374.1U
Authority: CN
Inventors: 陈红; 蔡辉
Original assignee: Shenzhen Sunda Electronic Co ltd
Current assignee: Shenzhen Sunda Electronic Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-10-04
Anticipated expiration: 2032-05-05

Abstract

The utility model relates to an on-vehicle charger production technical field discloses an on-vehicle charger negative pole shell fragment for on-vehicle charger, including the top ring, both ends all are provided with the u-shaped groove about the top ring, both ends all are provided with the spout around the u-shaped groove, the equal sliding connection of spout inner wall has the slider, the equal fixedly connected with contact piece in both ends around the slider, the equal fixedly connected with extensible member in both ends around the contact piece, u-shaped inslot side all is provided with the fixed slot, the equal fixedly connected with conductive terminal in both ends about the top ring, the equal fixedly connected with electrode shell fragment in conductive terminal bottom. The utility model discloses in, mainly there is the top ring to constitute, the effectual shell fragment live time overlength of having solved on the market vehicle-mounted charger for the vehicle-mounted charger negative pole shell fragment at present is yielding, contact failure, the position of the tight circuit board of non-adjustable clamp, the fixed circuit board of not living of electrode contact point leads to circuit board and electrode contact point readily releasable, contact failure's problem during the contact.

Description

Vehicle-mounted charger negative electrode elastic sheet for vehicle-mounted charger

Technical Field

The utility model relates to an on-vehicle charger production technical field especially relates to an on-vehicle charger negative pole shell fragment for on-vehicle charger.

Background

With the development of the automobile industry, the vehicle-mounted charger is widely applied and has the characteristics of multiple functions, portability and fashion; the vehicle-mounted charger is usually directly inserted into the cigarette lighter of the automobile and is connected with the electronic device through a USB interface or other output interfaces. The traditional vehicle-mounted charger utilizes two electrode elastic pieces with symmetrical plug sides to be matched with a cylindrical electrode joint at the center of the bottom end of the plug to be tightly contacted with the inner wall and the bottom end of the cigarette lighter and be electrified, the electrode elastic pieces are generally connected through U-shaped elastic pieces, after the plug is pulled out and inserted for many times, the U-shaped elastic pieces are easy to deform, the charger is led to be loose after being inserted into the cigarette lighter, the electrode elastic pieces are not in good extrusion contact with the inner wall or the side hole of the cigarette lighter, the electronic equipment cannot be normally charged, and the reliability is low.

Chinese patent document CN207338682U discloses a positive pole shell fragment, negative pole shell fragment, packaging structure, circuit board assembly and remote controller, the positive pole shell fragment is applied to button cell, wherein, this positive pole shell fragment includes: a base part connected with a positive contact piece; and the taking and placing part is connected with the base part and is provided with an adsorption surface vertical to the axial direction of the button cell. The utility model discloses positive pole shell fragment gets portion of putting through setting up to set up the adsorption plane that is used for supplying the SMT suction nozzle to absorb in getting portion, make positive pole shell fragment accessible SMT weld on the circuit board, realize the automatic subsides of positive pole shell fragment and paste the production, the production efficiency is improved, defective proportion has been reduced, nevertheless its shell fragment live time overlength is yielding, contact failure, the position of the tight circuit board of non-adjustable clamp, the fixed circuit board that can not live of electrode contact point, lead to circuit board and electrode contact point readily releasable, easy contact failure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the on-vehicle charger negative pole shell fragment for vehicle-mounted charger who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an on-vehicle charger is with on-vehicle charger negative pole shell fragment, including a top ring on-vehicle charger is with on-vehicle charger negative pole shell fragment, both ends all are provided with a u-shaped groove on-vehicle charger negative pole shell fragment for on-vehicle charger about a top ring on-vehicle charger is with on-vehicle charger negative pole shell fragment, both ends all are provided with a spout on-vehicle charger negative pole shell fragment for on-vehicle charger around a u-shaped groove on-vehicle charger is with on-vehicle charger negative pole shell fragment, spout on-vehicle charger is with on-vehicle charger negative pole shell fragment inner wall all sliding connection have a slider on-vehicle charger negative pole shell fragment for on-vehicle charger, a slider is with an on-vehicle charger negative pole shell fragment around both ends all fixedly connected with a contact piece on-vehicle charger negative pole shell fragment, a u-shaped groove on-vehicle charger is with an on-vehicle charger negative pole contact piece for on-vehicle charger negative pole shell fragment all fixed with a vehicle charger negative pole contact piece, a U-shaped groove on-vehicle charger negative pole contact piece fixed contact piece for on-vehicle charger negative pole contact piece inner wall all is provided with a vehicle charger bottom fixed contact piece The outer diameter of the vehicle-mounted charger negative electrode elastic piece for the vehicle-mounted charger is provided with a spring, and the outer side of the vehicle-mounted charger negative electrode elastic piece for the vehicle-mounted charger is fixedly connected with a magnetic sheet.

As a further description of the above technical solution:

the outer side end of the vehicle-mounted charger negative electrode elastic sheet for the vehicle-mounted charger of the expansion piece is fixedly connected to the inner wall of the u-shaped groove vehicle-mounted charger negative electrode elastic sheet.

As a further description of the above technical solution:

the inner sides of the contact piece vehicle-mounted charger negative electrode elastic pieces for the vehicle-mounted charger are fixedly connected with the fixed blocks.

As a further description of the above technical solution:

the inner sides of the vehicle-mounted charger negative electrode elastic pieces for the vehicle-mounted charger are fixedly connected to the inner wall of the vehicle-mounted charger negative electrode elastic piece for the vehicle-mounted charger at the electrode contact points.

As a further description of the above technical solution:

the inner wall of the electrode contact point vehicle-mounted charger negative electrode elastic piece for the vehicle-mounted charger is provided with a circuit board vehicle-mounted charger negative electrode elastic piece for the vehicle-mounted charger, and the bottoms of the front end and the rear end of the circuit board vehicle-mounted charger negative electrode elastic piece for the vehicle-mounted charger are fixedly connected with USB interfaces vehicle-mounted charger negative electrode elastic pieces.

As a further description of the above technical solution:

the inner wall of the negative electrode elastic piece of the vehicle-mounted charger for the vehicle-mounted charger of the fixing groove is connected with the negative electrode elastic piece of the vehicle-mounted charger of the fixing block in a sliding mode.

As a further description of the above technical solution:

the bottom end of the negative electrode elastic piece of the vehicle-mounted charger for the vehicle-mounted charger is fixedly connected with a long tail negative electrode elastic piece of the vehicle-mounted charger.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first the top ring both ends all have the u-shaped groove, there is the extensible member u-shaped inslot side, the contact piece is being connected to the extensible member other end, the inboard fixed block of connecting of contact piece, make it slide around fixed position, the slider is all being connected at both ends around the fixed block, there is the spout corresponding position, make the slider slide around in the spout, it has the strong point to make the extensible member, make it slide according to fixed direction through the extrusion contact point, the circuit board is all placed to the contact piece inner wall, the contact piece at both ends makes contact piece and circuit board more laminate to circuit board extruded power, the characteristic of its extensible member still is applicable to various model circuit boards.

2. The utility model discloses in, the electrode contact point inner wall that the electrode shell fragment is connected is provided with the fixture block, increase the impetus, the external diameter of fixture block has the spring, move the power that the electrode shell fragment received originally on the market on the spring, the power that the electrode shell fragment received has been reduced, its life has been increased, because of the existence of spring, make electrode contact point atress not need very much power just can accomplish touch circuit board, and when taking out, the spring still can kick-back automatically, the spring other end also has the magnetic sheet, area of contact has been increased, make long-time use can not cause contact failure yet.

Drawings

Fig. 1 is a perspective view of a negative electrode spring of a vehicle-mounted charger for a vehicle-mounted charger according to the present invention;

fig. 2 is a front view of the negative electrode elastic piece of the on-vehicle charger for the on-vehicle charger provided by the utility model;

fig. 3 is a top view of a negative electrode elastic piece of an on-vehicle charger for an on-vehicle charger provided by the utility model;

FIG. 4 is an enlarged view taken at A of FIG. 1;

FIG. 5 is an enlarged view of FIG. 1 at B;

fig. 6 is an enlarged view of fig. 3 at C.

Illustration of the drawings:

1. a top ring; 2. a conductive terminal; 3. an electrode spring; 4. an electrode contact point; 5. a telescoping member; 6. a slider; 7. a u-shaped groove; 8. a contact piece; 9. a clamping block; 10. a spring; 11. a chute; 12. a fixed block; 13. a fixing groove; 14. a magnetic sheet; 15. a circuit board; 16. long tail; 17. and a USB interface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the present invention provides an embodiment: a negative pole spring piece of a vehicle-mounted charger for the vehicle-mounted charger comprises a top ring 1, wherein the left end and the right end of the top ring 1 are respectively provided with a u-shaped groove 7, a supporting point is increased, the front end and the rear end of each u-shaped groove 7 are respectively provided with a sliding groove 11, so that an electrode plate can move in the fixed direction in the sliding groove, the inner wall of each sliding groove 11 is respectively connected with a sliding block 6 in a sliding manner, a fixed point is increased, the front end and the rear end of each sliding block 6 are respectively fixedly connected with a contact piece 8, the contact pieces are contacted with a circuit board to complete a circuit, the front end and the rear end of each contact piece 8 are respectively fixedly connected with a telescopic piece 5 so that the contact pieces can move, the inner sides of the u-shaped grooves 7 are respectively provided with a fixed groove 13, so that an acting point is increased, the equal fixedly connected with conductive terminal 2 in both ends about top ring 1 makes it electrically conductive, the equal fixedly connected with electrode shell fragment 3 in conductive terminal 2 bottom makes its connection electrode contact point, make electrode contact point atress make have the strong point, the equal fixedly connected with electrode contact point 4 in 3 outer wall bottoms of electrode shell fragment, the equal fixedly connected with fixture block 9 of 4 inner walls of electrode contact point, the mounting spring, make it not move outward, fixture block 9 external diameter all is provided with spring 10, when making electrode contact point atress, the magnetic sheet laborsaving contact to the circuit board on the spring contact, the equal fixedly connected with magnetic sheet 14 increase spring and the area of contact of circuit board in the spring 10 outside.

The equal fixed connection of outside one end of extensible member 5 is at the inner wall of u groove 7, increase the stress point, the equal fixedly connected with fixed block 12 in contact 8 inboard, increase the stress point, the equal fixed connection of spring 10 inboard is at 4 inner walls of electrode contact point, increase the fixed point, electrode contact point 4 inner walls all are provided with circuit board 15, make its circuit accomplish complete a power conveying, the equal fixedly connected with USB interface 17 in both ends bottom before and after 15 circuit boards, after the circular telegram, make the charger carry out the work of charging, the equal sliding connection of fixed slot 13 inner walls has fixed block 12, increase the stress point, the equal fixedly connected with long tail 16 in magnetic sheet 14 bottom, extrude when the electrode contact point atress, make long tail be close to the circuit board together, long tail bottom is according to the pressure at the USB interface, make its circular telegram.

The working principle is as follows: the two ends of the top ring 1 are both provided with u-shaped grooves 7,u, the inner sides of grooves 7 are provided with telescopic parts 5, the other ends of the telescopic parts 5 are connected with contact pieces 8, the inner sides of the contact pieces 8 are connected with fixed blocks 12, the contact pieces can slide back and forth at fixed positions, the front ends and the rear ends of the fixed blocks 12 are both connected with sliding blocks 6, corresponding positions are provided with sliding grooves 11, the sliding blocks 6 can slide back and forth in the sliding grooves 11, the telescopic parts 5 are provided with supporting points, the contact pieces 8 can slide in fixed directions by pressing the contact pieces 8, circuit boards 15 are placed on the inner walls of the contact pieces 8, the contact pieces 8 and the circuit boards 15 are more attached by the pressing force of the contact pieces 8 at the two ends to the circuit boards 15, the characteristics of the telescopic parts 5 are also suitable for various types of circuit boards 15, the inner walls of electrode contact points 4 connected with the electrode elastic pieces 3 are provided with clamping blocks 9, the force applying points are increased, the outer diameters of the clamping blocks 9 are provided with springs 10, the contact pieces 3, the original force applied to the electrode elastic pieces 3 on the market is moved to the springs 10, the springs, the spring applying force applied to the spring sheets can be increased, the other ends of the electrode elastic pieces 3, the spring sheets can be taken out, the spring sheets can be automatically, the spring 10 can be further, the other end of the magnetic sheets can be automatically removed, the magnetic sheets can be prevented, the magnetic sheets 14, the magnetic sheets can be contacted, the magnetic sheets can be automatically, the magnetic sheets with the magnetic sheets, and the magnetic sheets can be further, and the magnetic sheets can be prevented, and the magnetic sheets can be further, the magnetic sheets with the magnetic sheets 14, and the magnetic sheets with the magnetic sheets for a long service life of the magnetic sheets.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an on-vehicle charger negative pole shell fragment for on-vehicle charger, includes top ring (1), its characterized in that: the improved electrode assembly is characterized in that a u-shaped groove (7) is formed in each of the left end and the right end of the top ring (1), sliding grooves (11) are formed in each of the front end and the rear end of the u-shaped groove (7), sliding blocks (6) are connected to the inner wall of each sliding groove (11) in a sliding mode, contact pieces (8) are fixedly connected to the front end and the rear end of each sliding block (6), telescopic pieces (5) are fixedly connected to the front end and the rear end of each contact piece (8) in a sliding mode, fixing grooves (13) are formed in the inner side of each u-shaped groove (7), conductive terminals (2) are fixedly connected to the left end and the right end of the top ring (1), electrode elastic pieces (3) are fixedly connected to the bottom ends of the conductive terminals (2), electrode contact points (4) are fixedly connected to the bottom of the outer wall of each electrode elastic piece (3), fixture blocks (9) are fixedly connected to the inner wall of each electrode contact point (4), springs (10) are arranged on the outer diameter of each fixture block (9), and magnetic sheets (14) are fixedly connected to the outer sides of each spring (10).

2. The vehicle-mounted charger negative electrode elastic sheet for the vehicle-mounted charger according to claim 1, characterized in that: and one end of the outer side of the telescopic piece (5) is fixedly connected with the inner wall of the u-shaped groove (7).

3. The vehicle-mounted charger negative electrode elastic sheet for the vehicle-mounted charger according to claim 1, characterized in that: and the inner sides of the contact pieces (8) are fixedly connected with fixing blocks (12).

4. The vehicle-mounted charger negative electrode elastic sheet for the vehicle-mounted charger according to claim 1, characterized in that: the inner sides of the springs (10) are fixedly connected to the inner wall of the electrode contact point (4).

5. The vehicle-mounted charger negative electrode elastic sheet for the vehicle-mounted charger according to claim 1, characterized in that: the electrode contact point (4) inner wall all is provided with circuit board (15), equal fixedly connected with USB interface (17) in both ends bottom around circuit board (15).

6. The vehicle-mounted charger negative electrode elastic sheet for the vehicle-mounted charger according to claim 1, characterized in that: the inner walls of the fixing grooves (13) are connected with fixing blocks (12) in a sliding mode.

7. The vehicle-mounted charger negative electrode elastic sheet for the vehicle-mounted charger according to claim 1, characterized in that: the bottom ends of the magnetic sheets (14) are fixedly connected with long tails (16).