CN209104540U - A kind of cigarette lighter mouth power-supply adapter - Google Patents

Abstract

The utility model relates to adapter technical field, especially a kind of cigarette lighter mouth power-supply adapter.It includes shell, first line plate, cathode contact piece, positive contact head, switching piece and several converting interfaces, cathode contact head passes through ipsilateral cathode contact hole and exposes to shell, positive contact head passes through positive contact hole and exposes to shell, cathode contact piece is made by elastic material, and converting interface is inlaid on shell and is electrically connected with the output end of first line plate.Cathode contact piece is arranged on shell in the utility model embodiment, is easy to constitute complete loops, is easily formed the conversion that interface is realized in electrical connection；The outer end of cathode contact head abuts with the inner wall of cigarette mouth and fixes the position of shell, and shell is made to remain stable, to ensure that the stability of electric energy transmission；Meanwhile by the way that switching piece is arranged between cathode contact head and first line plate, the contact area of electrical connection is expanded, the practicability of structure is enhanced.

Description

A kind of cigarette lighter mouth power-supply adapter

Technical field

The utility model relates to adapter technical field, especially a kind of cigarette lighter mouth power-supply adapter.

Background technique

With the progress of science and technology, the consumer products that people use during driving are increasing, in full Code camera, DV, mobile phone, laptop computer, MP3 player etc..And it is mentioned in existing automobile for consumer products charging The power supply of confession is usually the cigarette lighter mouth that output voltage is 12V.In order to meet the charge requirement of various consumer products, need to make A plurality of types of interfaces (such as USB, type-c interface) is converted by cigarette lighter mouth with power-supply adapter.

Power-supply adapter generally comprises cathode contact piece, wiring board and insulation crust, wherein the both ends of cathode contact piece are set It is equipped with cathode contact head, the upper end of power-supply adapter is inserted into cigarette mouth in use process, on the one hand utilizes cathode contact Head connection power supply and wiring board, thus constitute a part in circuit；On the other hand, it is connected in cigarette mouth using cathode contact head It prevents from getting loose between power-supply adapter and cigarette mouth.

Existing power-supply adapter is generally fixed in the circuit board by cathode contact piece using the mode of welding, if welding position It sets and deviates, following problem can be caused:

1, the inner end of cathode contact head can not be formed with wiring board after the upper end of power adapter being plugged into cigarette mouth Electrical connection, so that circuit can not be constituted, makes power-supply adapter be not easy to form electrical connection；

2, the outer end of cathode contact head cannot be abutted with the inner wall of cigarette mouth, thus can not fixed power source adapter in automobile Position in cigarette mouth, power-supply adapter is easy to deviate from out of cigarette mouth, and then circuit is caused to disconnect, and influences the steady of power delivery It is qualitative, to influence the use of power-supply adapter.

Electrical connection is easily formed and electric energy transmits stable cigarette mouth power-supply adapter therefore, it is necessary to a kind of.

Utility model content

In view of the deficiency of the prior art, the purpose of this utility model is to provide a kind of cigarette lighter mouth power supplys Adapter.

To achieve the goals above, the utility model adopts the following technical solution:

A kind of cigarette lighter mouth power-supply adapter provided by the embodiment of the utility model, it include shell, first line plate, Cathode contact piece, positive contact head, switching piece and several converting interfaces；

The upper end of the shell is set as aligning the shape of cooperation with cigarette lighter mouth；

The cathode contact piece is arranged in shell, and the cathode contact piece is set as analog-U shaped structure and the left and right sides is in Mirror symmetry distribution, protrusion forms cathode contact head outward respectively for the left and right sides lower end of the cathode contact piece, described The left and right sides of shell offers the cathode contact hole with the contraposition cooperation of cathode contact head respectively, and the cathode contact head passes through same The cathode contact hole of side simultaneously exposes to shell；

The first line plate is vertically distributed in shell and the upper end of first line plate is located at the profile of cathode contact piece In range；

The upper end of the shell offers the positive contact hole with positive contact head contraposition cooperation, and the anode contact head is worn It crosses positive contact hole and exposes to shell, the anode contact head is electrically connected with an input electrode of first line plate；

The switching piece is fixed on first line plate and is located in the profile of two cathode contact heads, the switching Piece is electrically connected with another input electrode of first line plate；

The cathode contact piece is made by elastic material, and when cathode contact head, which is pressed, to be entered in shell, cathode is connect The inner end of contact is electrically connected with switching piece；The converting interface is inlaid on shell and is electrically connected with the output end of first line plate.

Preferably, the peripheral wall of the positive contact hole, which extends downwardly, forms wall, and the upper end of the cathode contact piece is opened Equipped with the limit hole with wall contraposition cooperation, the cathode contact piece is set on wall by limit hole.

Preferably, the cathode contact on piece and being located above two cathode contact heads be respectively arranged with along outside and to Section is prolonged in the expansion that lower bending extends, and described two expansions prolong section in "eight" shape structure distribution.

Preferably, the switching piece is set as analog-U shaped structure and left and right ends are in mirror symmetry, and the switching piece includes solid It is scheduled on first line plate and the fixinig plate portion that is electrically connected with first line plate and the left and right ends edge respectively by fixinig plate portion Outside and the contact chip portion for bending downward elongation moulding；When cathode contact head is compacted into shell, the cathode contact The inner end of head is electrically connected with contact chip portion.

Preferably, the input electricity that the positive contact head is set to the intracorporal spring of shell and first line plate by one Pole electrical connection, one end of the spring is abutted against with positive contact head and the other end is fixed on first line plate.

Preferably, it further includes one being set to the intracorporal spring of shell, and one end of the spring and positive contact head abut against, The other end of the spring is abutted with fixinig plate portion, is electrically connected between the anode contact head and first line plate by conducting wire.

Preferably, it further includes one being set to the intracorporal spring of shell, and one end of the spring and positive contact head abut against, The other end of the spring is fixed on first line plate, is electrically connected between the anode contact head and first line plate by conducting wire It connects.

Preferably, it further includes the second wiring board, and second circuit board leveling is arranged in shell, the first line The lower end of plate is inserted on the second wiring board, and the input terminal of second wiring board is electrically connected with the output end of first line plate, The converting interface is inlaid on the lower end surface of shell and is electrically connected with the output end of the second wiring board.

Preferably, it further includes the anti-slip lid for being socketed in the lower end of shell.

As the above scheme is adopted, cathode contact piece is arranged on shell in the utility model embodiment, cathode connects Contact can be such that the inner end of cathode contact head is electrically connected with switching piece, cathode easily towards the medial motion in cathode contact hole The outer end of contact head is electrically connected with power cathode, to constitute complete loops, and then realizes the conversion of interface；Cathode contact head Outer end abuts with the inner wall of cigarette mouth and fixes the position of shell, and shell is made to remain stable, ensure that the steady of electric energy transmission It is qualitative；Meanwhile by the way that switching piece is arranged between cathode contact head and first line plate, cathode contact head is made inwardly to move cathode The inner end of contact head contacts and is electrically connected with switching piece, relative to directly cathode contact head being used to be electrically connected with first line plate, This mode expands the contact area of electrical connection, enhances the practicability of structure.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model embodiment；

Fig. 2 is the schematic diagram of the section structure of the utility model embodiment；

Fig. 3 is the usage state diagram of the utility model embodiment；

Fig. 4 is the structural schematic diagram of the cathode contact piece of the utility model embodiment；

Fig. 5 is the structural schematic diagram of the first line plate of the utility model embodiment, the second wiring board and switching piece；

10, shell；11, wall；12, anti-slip lid；21, first line plate；22, the second wiring board；31, cathode contact piece； 32, cathode contact head；33, expand and prolong section；40, positive contact head；50, switching piece；51, fixinig plate portion；52, contact chip portion；60, turn Interface；70, spring；A, cathode contact hole；B, positive contact hole；C, limit hole.

Specific embodiment

The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by right It is required that the multitude of different ways for limiting and covering is implemented.

As shown in Figures 1 to 5, a kind of cigarette lighter mouth power-supply adapter provided by the embodiment of the utility model, it includes Shell 10, first line plate 21, cathode contact piece 31, positive contact head 40, switching piece 50 and several converting interfaces 60；Shell 10 upper end is set as aligning the shape of cooperation with cigarette lighter mouth；Cathode contact piece 31 is arranged in shell 10, cathode contact Piece 31 be set as analog-U shaped structure and the left and right sides in mirror symmetry be distributed, the left and right sides lower end of cathode contact piece 31 respectively to Outside protrusion forms cathode contact head 32, and the left and right sides of shell 10 offers and the contraposition cooperation of cathode contact head 32 respectively Cathode contact hole a, cathode contact head 32 pass through ipsilateral cathode contact hole a and expose to shell 10；First line plate 21 is vertical It is distributed in the shell 10 and upper end of first line plate 21 and is located in the profile of cathode contact piece 31；The upper end of shell 10 The positive contact hole b with the positive contraposition of contact head 40 cooperation is offered, positive contact head 40 passes through anode contact hole b and exposes to Shell 10；Positive contact head 40 is electrically connected with an input electrode of first line plate 21；Switching piece 50 is fixed on first line On plate 21 and it is located in the profile of two cathode contact heads 32；Another of switching piece 50 and first line plate 21 input electricity Pole electrical connection；Cathode contact piece 31 is made by elastic material, is born when cathode contact head 32 is compacted into shell 10 Pole contact head 32 is electrically connected with switching piece 50；Converting interface 60 is embedded on the housing 10 and is electrically connected with the output end of first line plate 21 It connects.

Based on the above structure, due to be provided in cigarette lighter mouth the positive pole being electrically connected with positive contact head 32 and The power cathode being electrically connected with cathode contact head 32, since cathode contact piece 31 is made of elastic material, by the upper end of shell 10 It is plugged in cigarette lighter mouth, cathode contact head 32 will drive cathode contact piece 31 and inwardly receive after the compression by cigarette mouth inner wall Contracting, so that cathode contact head 32 be allow to move inwardly, makes the inner end of cathode contact head 32 contact and be electrically connected with switching piece 50 It connects, cathode contact head 32 deepens continuously in 10 insertion process of shell, until outer end and the power cathode of cathode contact head 32 connect It touches and is electrically connected, while positive contact head 40 is contacted and is electrically connected with positive pole, at this point, by positive pole, positive contact head 40, first line plate 21, switching piece 50, cathode contact head 32 and power cathode constitute complete circuit, it is thus possible to by electric The electric energy of source anode is transferred in first line plate 21, and using the electrical connection of first line plate 21 and converting interface 60, will Electric energy is transferred in converting interface 60, realizes the purpose of the utility model translation interface type.Meanwhile the upper end of shell 10 is plugged into When in cigarette mouth, the outer end of cathode contact piece 31 is abutted with the inner wall of cigarette mouth, to make to be formed between shell 10 and cigarette mouth Fixed relationship, it is therefore prevented that shell 10 is loosened out of cigarette mouth.Cathode contact piece 31 is arranged in the utility model embodiment as a result, On the housing 10, cathode contact head 32 can make the interior of cathode contact head 32 easily towards the medial motion of cathode contact hole a End is electrically connected with switching piece 50, and the outer end of cathode contact head 32 is electrically connected with power cathode, so that complete loops are constituted, Jin Ershi The conversion of existing interface；The outer end of cathode contact head 32 abuts with the inner wall of cigarette lighter mouth and fixes the position of shell 10, makes shell Body 10 remains stable, ensure that the stability of electric energy transmission；Meanwhile by cathode contact head 32 and first line plate 21 Between switching piece 50 is set, the inner end of cathode contact head 32 contact simultaneously electric with switching piece 50 when moving cathode contact head 32 inwardly Connection, relative to directly the inner end of cathode contact head 32 being used to be electrically connected with first line plate 21, this mode expands electrical connection Contact area, enhance the practicability of structure.

For the stability for guaranteeing electric energy transmission, the peripheral wall of positive contact hole b extends into downwards vertically in the present embodiment Type has wall 11, and the upper end of cathode contact piece 31 offers the limit hole c with the contraposition cooperation of wall 11, and cathode contact piece 31 passes through Limit hole c is set on wall 11.It based on the above structure, is set on wall 11 using limit hole c, is existed to cathode contact piece 31 Horizontal direction is limited, and prevents cathode contact piece 31 from moving in the horizontal direction and cathode contact head 32 is driven to move, effectively prevent The electrical connection for having stopped the inner end and outer end of cathode contact head 32 is affected；Meanwhile wall 11 is arranged in positive contact head 40 The outside of wall 11 is arranged in inside, cathode contact piece 31, and positive contact head 40 cannot contact shape with cathode contact piece 31 always At electrical connection, so that positive contact head 40 be prevented directly to contact generation short circuit with cathode contact piece 31.

On cathode contact piece 31 and it is located at two cathode for the scope of activities for expanding cathode contact head 32, in the present embodiment and connects The top of contact 32 is respectively arranged with along outside and bends downward the expansion of extension and prolong section 33, and two are expanded and prolong section 33 in "eight" shape knot Structure distribution.Based on the above structure, prolongs section 33 by being arranged to expand between cathode contact piece 31 and cathode contact head 32, expand negative The horizontal distance of pole contact chip 31 upper end and cathode contact head 32, in use in the horizontal direction due to cathode contact piece 31 Compression or extension, therefore, expanding horizontal distance between the two helps to expand the model that cathode contact head 32 moves in the horizontal direction It encloses, keeps cathode contact head 32 more flexible in use process.

For the practicability for promoting product, switching piece 50 is set as analog-U shaped structure in the present embodiment and left and right ends are in mirror image Symmetrically, switching piece 50 include be fixed on first line plate 21 and the fixinig plate portion 51 that is electrically connected with first line plate 21 and by The left and right ends in fixinig plate portion 51 along outside and bend downward the contact chip portion 52 of elongation moulding respectively, when 32 quilt of cathode contact head When being pressed into shell 10, the inner end of cathode contact head 32 is electrically connected with contact chip portion 52.Based on the above structure, by that will turn Contact pin 50 is set as the structure being made of fixinig plate portion 51 and contact chip portion 52, while the side that contact chip portion 52 is downward along outside To setting, when cathode contact head 32 is compacted into shell 10, (relative to fixinig plate when cathode contact head 32 moves inwardly Portion 51) inner end of cathode contact head 32 more easy can contact and be electrically connected with contact chip portion 52, thus in power cathode, negative Pole contact head 32, fixinig plate portion 51, forms electrical connection between first line plate 21 at contact chip portion 52, to ensure that circuit Completely, and then the using effect of product is improved.

For the practicability for promoting product, as a preferred embodiment, the positive contact head 40 of the present embodiment passes through a setting It is electrically connected in the spring 70 in shell 10 with an input electrode of first line plate 21, one end of spring 70 and positive contact head 40 abut against and the other end is fixed on first line plate 21.

For the practicability for promoting product, as a preferred embodiment, the power-supply adapter of the present embodiment further includes a setting In the spring 70 in shell 10, one end of spring 70 is abutted against with positive contact head 40, the other end and switching piece 50 of spring 70 It abuts, is electrically connected between positive contact head 40 and first line plate 21 by conducting wire.

For the practicability for promoting product, as a preferred embodiment, the power-supply adapter of the present embodiment further includes spring 70, One end of spring 70 is abutted against with positive contact head 40, and the other end of spring 70 is fixed on first line plate 21, anode contact It is electrically connected between first 40 and first line plate 21 by conducting wire.

For the practicability for promoting product, the power-supply adapter of the present embodiment further includes the second wiring board 22, the second wiring board 22 are horizontally set in shell 10, and the lower end of first line plate 21 is inserted on the second wiring board 22, the second wiring board 22 it is defeated Enter end to be electrically connected with the output end of first line plate 21, converting interface 60 be inlaid on the lower end surface of shell 10 and with the second wiring board 22 output end electrical connection.Shell is inlaid in using the second wiring board 22 by the way that the second wiring board 22 is arranged based on the above structure In 10, then first line plate 21 is plugged on the second wiring board 22, is kept fixed the position of first line plate 21, is conducive to Keep electric energy transmission process in first line plate 21 in shell 10 will not voluntary activity, help to maintain electric energy transmission stabilization Property.

For the using effect for promoting product, as a preferred embodiment, a kind of cigarette lighter mouth power supply of the present embodiment turns Device is connect, it further includes the anti-slip lid 12 for being socketed in the lower end of shell 10.

For the use scope for expanding product, as a preferred embodiment, the converting interface 60 of the present embodiment include USB interface and Type-c interface.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported Used in other related technical areas, it is also included in the patent protection scope of the utility model.

Claims (9)

1. a kind of cigarette lighter mouth power-supply adapter, it is characterised in that: it includes shell, first line plate, cathode contact piece, just Pole contact head, switching piece and several converting interfaces；

The upper end of the shell is set as aligning the shape of cooperation with cigarette lighter mouth；

The cathode contact piece is arranged in shell, and the cathode contact piece is set as analog-U shaped structure and the left and right sides is in mirror image Symmetrical, protrusion forms cathode contact head, the shell outward respectively for the left and right sides lower end of the cathode contact piece The left and right sides offer respectively with cathode contact head contraposition cooperation cathode contact hole, the cathode contact head pass through it is ipsilateral Cathode contact hole simultaneously exposes to shell；

The first line plate is vertically distributed in shell and the upper end of first line plate is located at the profile of cathode contact piece It is interior；

The upper end of the shell offers the positive contact hole with positive contact head contraposition cooperation, and the anode contact head passes through just Pole contact hole simultaneously exposes to shell, and the anode contact head is electrically connected with an input electrode of first line plate；

The switching piece is fixed on first line plate and is located in the profile of two cathode contact heads, the switching piece with Another input electrode of first line plate is electrically connected；

The cathode contact piece is made by elastic material, the cathode contact head when cathode contact head, which is pressed, to be entered in shell Inner end be electrically connected with switching piece；

The converting interface is inlaid on shell and is electrically connected with the output end of first line plate.

2. a kind of cigarette lighter mouth power-supply adapter as described in claim 1, it is characterised in that: the week of the anode contact hole Wall, which extends downwardly, forms wall, and the upper end of the cathode contact piece offers the limit hole matched with wall, the cathode Contact chip is set on wall by limit hole.

3. a kind of cigarette lighter mouth power-supply adapter as described in claim 1, it is characterised in that: the cathode contact on piece and It is respectively arranged with above two cathode contact heads along outside and bends downward the expansion of extension and prolong section, section is prolonged in described two expansions In "eight" shape structure distribution.

4. a kind of cigarette lighter mouth power-supply adapter as described in claim 1, it is characterised in that: the switching piece is set as class U-shaped structure and left and right ends are in mirror symmetry, the switching piece include be fixed on first line plate and with first line plate electricity The fixinig plate portion of connection and along outside and the contact chip portion of elongation moulding is bent downward respectively by the left and right ends in fixinig plate portion；

When cathode contact head is compacted into shell, the inner end of the cathode contact head is electrically connected with contact chip portion.

5. a kind of cigarette lighter mouth power-supply adapter as described in claim 1, it is characterised in that: the anode contact head passes through One is set to the intracorporal spring of shell is electrically connected with an input electrode of first line plate, and one end of the spring is contacted with anode Head abuts against and the other end is fixed on first line plate.

6. a kind of cigarette lighter mouth power-supply adapter as claimed in claim 4, it is characterised in that: it further includes one being set to shell Intracorporal spring, one end of the spring are abutted against with positive contact head, and the other end of the spring is abutted with fixinig plate portion, institute It states and is electrically connected between positive contact head and first line plate by conducting wire.

7. a kind of cigarette lighter mouth power-supply adapter as described in claim 1, it is characterised in that: it further includes one being set to shell Intracorporal spring, one end of the spring are abutted against with positive contact head, and the other end of the spring is fixed on first line plate On, it is electrically connected between the anode contact head and first line plate by conducting wire.

8. a kind of cigarette lighter mouth power-supply adapter as described in claim 1, it is characterised in that: it further includes the second route Plate, second circuit board leveling are arranged in shell, and the lower end of the first line plate is inserted on the second wiring board, described The input terminal of second wiring board is electrically connected with the output end of first line plate, the converting interface be inlaid on the lower end surface of shell and It is electrically connected with the output end of the second wiring board.

9. a kind of cigarette lighter mouth power-supply adapter as described in claim 1, it is characterised in that: it further includes being socketed in shell Lower end anti-slip lid.