CN106785553B

CN106785553B - Charger plug and charger

Info

Publication number: CN106785553B
Application number: CN201710045233.7A
Authority: CN
Inventors: 文海波; 杨德军; 刘卫锋; 江后妹; 王青
Original assignee: China Aviation Photoelectricity Precision Electronic Shenzhen Co ltd
Current assignee: Avic Optoelectronics Precision Electronics Guangdong Co ltd
Priority date: 2017-01-20
Filing date: 2017-01-20
Publication date: 2023-02-28
Anticipated expiration: 2037-01-20
Also published as: CN106785553A

Abstract

The invention discloses a charger plug and a charger, wherein the charger plug comprises a shell and a base arranged on the shell, first support seats are arranged on the base in pairs, second support seats are arranged on the shell in pairs, the first support seats are butted with the second support seats to form a round hole, a rotating shaft is arranged in the round hole, a contact pin and a rivet are arranged on the rotating shaft, the rivet and the contact pin are riveted into a whole and are arranged on the rotating shaft, an opening for accommodating the contact pin is formed in the shell, a conducting strip which is electrically connected with the contact pin when the contact pin is opened is arranged on the base, and a switching piece which is electrically connected with the conducting strip and the rivet is also arranged on the shell. When the contact pin rotates or is positioned at any angle, the rivet and the adapter sheet do not move relatively, the contact pin and the conducting sheet are always kept in an electric connection state, and stable power transmission is guaranteed.

Description

Charger plug and charger

Technical Field

The invention relates to the technical field of electronic components, in particular to a charger plug and a charger.

Background

Rotation type cell-phone charger plug is a connector of connecting supply socket and active device, and this plug makes the contact pin change between open position and closed position through rotatory 90 degrees to the contact pin, has convenient to carry, advantage that occupation space is little, can also reduce the contact pin to the harm of other carried article. The single cantilever beam is arranged on the conducting strip of the existing rotary charger plug, can exert positive pressure on the contact pin and plays a role in supporting, and can be used for metal contact connection to play a role in power transmission. When the contact pin is opened, the contact pin and the single cantilever beam are in an electric connection state, and when the contact pin is closed, the contact pin and the single cantilever beam are in an electric disconnection state. When the number of times of rotating use of the contact pin is increased, the positive pressure of the conductive sheet to the contact pin can be gradually reduced along with the increase of the number of times of rotating the contact pin, the contact failure or non-contact between the contact pin and the conductive sheet is easily caused by the over-small positive pressure, and the contact failure or non-contact between the contact pin and the conductive sheet can also be caused when the contact pin is not opened completely.

Disclosure of Invention

The invention mainly aims to provide a charger plug, and aims to solve the problem that the contact between a contact pin and a conducting strip is poor or not contacted easily when the rotation use times of the contact pin is increased or the contact pin is not completely opened in the existing rotary plug.

In order to achieve the purpose, the charger plug provided by the invention comprises a shell and a base arranged on the shell, wherein first support seats are arranged on the base in pairs, second support seats are arranged on the shell in pairs, the first support seats are butted with the second support seats to form a round hole, a rotating shaft is arranged in the round hole, a contact pin and a rivet are arranged on the rotating shaft, the rivet and the contact pin are riveted into a whole and are arranged on the rotating shaft, an opening used for accommodating the contact pin is formed in the shell, a conducting strip electrically connected with the contact pin when the contact pin is opened is arranged on the base, and an adapter sheet electrically connected with the conducting strip and the rivet is further arranged on the shell.

Preferably, the adaptor piece includes a first contact portion for contacting with the rivet and a second contact portion for contacting with the conducting strip, a first single cantilever beam is arranged on the first contact portion, a second single cantilever beam is arranged on the second contact portion, the first single cantilever beam is electrically connected with the rivet, and the second single cantilever beam is electrically connected with the conducting strip.

Preferably, a first convex hull is arranged on the first single cantilever beam, a second convex hull is arranged on the second single cantilever beam, the first convex hull is electrically connected with the rivet, and the second convex hull is electrically connected with the conducting strip.

Preferably, a clamping groove is formed in the housing, and the first contact portion is inserted into the clamping groove and fixed to the housing.

Preferably, a hook for preventing the adapter sheet from falling off from the clamping groove is arranged on the first contact part.

Preferably, a cover plate for sealing and protecting the circuit of the base is further installed on the base.

Preferably, the conductive sheet, the rivet, the contact pin and the adapter sheet are all made of copper alloy materials.

Preferably, the housing and the base are both made of a plastic material.

The invention also provides a charger which comprises a power line and the charger plug, wherein one end of the power line is electrically connected with the conducting strip.

In the technical scheme of the invention, the charger plug comprises a shell and a base arranged on the shell, wherein first support seats are arranged on the base in pairs, second support seats are arranged on the shell in pairs, the first support seats are butted with the second support seats to form a round hole, a rotating shaft is arranged in the round hole, a contact pin and a rivet are arranged on the rotating shaft, the rivet and the contact pin are riveted into a whole and are arranged on the rotating shaft, an opening for accommodating the contact pin is formed in the shell, a conducting strip which is electrically connected with the contact pin when the contact pin is opened is arranged on the base, and a switching piece which is electrically connected with the conducting strip and the rivet is also arranged on the shell. When the contact pin rotates or is at any angle, the rivet and the adapter sheet do not have relative displacement, and the contact pin and the conducting sheet are always in an electrically connected state, so that the phenomenon that the contact pin and the conducting sheet are in poor contact or not in contact when the number of times of rotating use of the contact pin is increased or the contact pin is not completely opened is avoided, and stable power transmission is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a charger plug according to an embodiment of the invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic view of the conductive part of FIG. 2;

FIG. 4 is an exploded view of FIG. 3;

FIG. 5 is a schematic structural diagram of an interposer in the embodiment shown in FIG. 1;

FIG. 6 is a schematic view of the assembled structure of the upper part of the base of FIG. 2;

fig. 7 is an exploded view of fig. 6.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				1	Shell body	11	Clamping groove
2	Base seat	3	Rotating shaft
				4	Pin	5	Rivet
6	Conductive sheet	61	Third single cantilever beam
				62	Boss	7	Switching piece
71	First single cantilever beam	711	First convex hull
				72	Second single cantilever beam	722	Second convex hull
73	Clamp hook	8	Cover plate
				9	Support spring plate	91	Double cantilever beam
92	Through hole

The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a charger plug.

Referring to fig. 1 to 7, in an embodiment of the present invention, a charger plug includes a housing 1 and a base 2 installed on the housing 1, first supports (not labeled) are installed on the base 2 in pairs, second supports (not labeled) are installed on the housing 1 in pairs, the first supports and the second supports are butted to form a circular hole (not labeled), a rotating shaft 3 is installed in the circular hole, a pin 4 and a rivet 5 are installed on the rotating shaft 3, the rivet 5 and the pin 4 are riveted to form an integral body and installed on the rotating shaft 3, an opening for accommodating the pin 4 is opened on the housing 1, a conductive plate 6 electrically connected to the pin 4 when the pin 4 opens is installed on the base 2, and an adaptor sheet 7 electrically connected to the conductive plate 6 and the rivet 5 is also installed on the housing 1. The charger plug of this embodiment is when contact pin 4 is rotatory or be in arbitrary angle, does not have relative displacement between rivet 5 and the adaptor piece 7, and contact pin 4 and conducting strip 6 keep electric connection state always, have prevented that contact pin 4 and conducting strip 6 contact failure or contactless phenomenon from taking place when contact pin 4's rotatory use number of times increases or contact pin 4 opens thoroughly, have guaranteed stable power transmission.

The interposer 7 includes a first contact portion (not labeled) contacting the rivet 5 and a second contact portion (not labeled) contacting the conductive sheet 6, the first contact portion is provided with a first single cantilever 71, the second contact portion is provided with a second single cantilever 72, the first single cantilever 71 is electrically connected to the rivet 5, and the second single cantilever 72 is electrically connected to the conductive sheet 6. The contact pin 4 is electrically connected with the rivet 5 through riveting, the rivet 5 is electrically connected with the adapter sheet 7 through elastic deformation of the second single cantilever beam 72 and pressure, the adapter sheet 7 is electrically connected with the conducting sheet 6 through elastic deformation of the first single cantilever beam 71 and pressure, and therefore the contact pin 4, the rivet 5, the adapter sheet 7 and the conducting sheet 6 are electrically connected.

Further, a first convex hull 711 is arranged on the first single cantilever beam 71, a second convex hull 722 is arranged on the second single cantilever beam 72, the first convex hull 711 is electrically connected with the rivet 5, and the second convex hull 722 is electrically connected with the conductive plate 6. The first convex hulls 711 are arranged to enable the contact between the interposer 7 and the rivet 5 to be better, and the second convex hulls 722 are arranged to enable the contact between the interposer 7 and the conducting strips 6 to be better.

A card slot 11 is provided in the housing 1, and the first contact portion is inserted into the card slot 11 and fixed to the housing 1. The clamping groove 11 is arranged to enable the adapter plate 7 to be installed more conveniently and firmly.

Preferably, the first contact portion is provided with a hook 73 for preventing the interposer 7 from falling off from the card slot 11. The hook 73 makes the adapter plate 7 more stable and firm to install.

Preferably, a cover plate 8 for sealing and protecting the circuit of the base 2 is further mounted on the base 2. The cover plate 8 is arranged to cover the conductive sheet 6 arranged on the base 2, and the circuit of the base 2 is also sealed and protected.

Moreover, the conductive sheet 6, the rivet 5, the pin 4 and the interposer 7 are all made of copper alloy material. Because the copper alloy has high conductivity, the conducting strip 6, the rivet 5, the contact pin 4 and the adapter plate 7 are all made of copper alloy materials, and the requirement of high-power large-current power transmission can be met.

Preferably, the housing 1 and the base 2 are both made of plastic material. The plastic material has good insulating property and has a protection effect on an internal circuit of the charger plug.

And the base 2 is also provided with a supporting elastic sheet 9 connected with the conductive sheet 6, the conductive sheet 6 is provided with a third single cantilever beam 61, the supporting elastic sheet 9 is provided with a double cantilever beam 91, when the contact pin 4 is opened, the third single cantilever beam 61 is in pressure contact with the double cantilever beam 91, and the contact pin 4 is in pressure contact with the third single cantilever beam 61. After the contact pin 4 of the charger plug of the embodiment is opened, the contact pin 4 contacts and extrudes the third single cantilever beam 61 on the conducting strip 6 to generate acting force, and the third single cantilever beam 61 and the double cantilever beams 91 are simultaneously deformed to generate counter-thrust force to act on the contact pin 4, the double cantilever beams 91 on the supporting elastic sheet 9 play a role in double-point supporting on the contact pin 4, so that enough positive pressure can be provided for the contact pin 4, and the contact reliability of a product is high.

The conductive plate 6 is provided with a boss 62, the support spring plate 9 is provided with a through hole 92, and the boss 62 is matched with the through hole 92 to position the support spring plate 9. In this embodiment, the boss 62 is matched with the through hole 92 to enable the conductive sheet 6 and the supporting spring sheet 9 to be matched, positioned and riveted, so that the installation is simpler and more convenient.

Further, the supporting spring 9 is made of stainless steel material. Because the stainless steel has the characteristics of high strength and high elasticity, the supporting elastic sheet 9 is made of the stainless steel material, can provide enough positive pressure for the inserting needle 4, and has longer service life. The embodiment reasonably utilizes the high strength and high elasticity of the stainless steel material, reduces the cost and ensures the contact reliability of the contact pin 4.

The invention further provides a charger which comprises a power line and the charger plug, wherein one end of the power line is electrically connected with the conducting strip. The specific structure of the charger plug refers to the above embodiments, and since the charger adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the specification and drawings, or any other related technical fields, which are directly or indirectly applied to the present invention, are included in the scope of the present invention.

Claims

1. The charger plug is characterized by comprising a shell and a base arranged on the shell, wherein first supports are arranged on the base in pairs, second supports are arranged on the shell in pairs, the first supports are in butt joint with the second supports to form round holes, rotating shafts are arranged in the round holes, contact pins and rivets are arranged on the rotating shafts, the rivets and the contact pins are riveted into a whole and are arranged on the rotating shafts, openings used for containing the contact pins are formed in the shell, conducting strips electrically connected with the contact pins when the contact pins are opened are arranged on the base, a switching sheet electrically connected with the conducting strips and the rivets is further arranged on the shell, the switching sheet comprises a first contact part and a second contact part, the first contact part is in contact with the rivets, the conducting strips are in contact with the conducting strips, a first single cantilever beam is arranged on the first contact part, a second single cantilever beam is arranged on the second contact part, the second single cantilever beam is perpendicular to the first single cantilever beam, the rivets are perpendicularly abutted against the end surfaces of the contact pins, so that the first single cantilever beam is electrically connected with the rivets, and the second single cantilever beam is perpendicularly abutted against the second cantilever beam.

2. The charger plug of claim 1, wherein a first convex hull is disposed on said first single cantilever beam, a second convex hull is disposed on said second single cantilever beam, said first convex hull is electrically connected to said rivet, and said second convex hull is electrically connected to said conductive strip.

3. The charger plug as claimed in claim 1, wherein a card slot is provided on the housing, and the first contact portion is inserted into the card slot and fixed to the housing.

4. The charger plug as recited in claim 3, wherein said first contact portion is provided with a hook for preventing said interposer from falling out of said card slot.

5. A charger plug as claimed in any one of claims 1 to 4, wherein a cover plate for sealing and protecting the circuitry of the base is also mounted on the base.

6. The charger plug as recited in any one of claims 1 to 4, wherein said conductive strips, said rivets, said pins and said interposer are all made of a copper alloy material.

7. The charger plug as claimed in any one of claims 1 to 4, wherein said housing and said base are both made of a plastic material.

8. A charger, characterized in that it comprises a power cord and the charger plug of any one of claims 1 to 7, one end of the power cord being electrically connected to the conductive plate.