CN213442231U - Vehicle-mounted cigarette lighter and cigarette seat thereof - Google Patents

Abstract

The utility model discloses a vehicle-mounted cigarette lighter and a cigarette seat thereof, which comprises an insulating seat, an anode inserting piece, a conductive screw, a metal piece and an elastic clamping part; the conductive screw comprises a conductive contact for electrically connecting with a powered element; the elastic clamping component is used for being matched with the supplied power component in an elastic clamping mode, and the positive electrode plug sheet comprises a positive electrode wiring part and a positive electrode contact part; the utility model discloses increase the metalwork in the connecting circuit between conductive contact and the anodal inserted sheet, the metalwork can take place deformation through the temperature in order to realize the disconnection of connecting circuit between high temperature state conductive contact and the anodal inserted sheet to and realize the closure of connecting circuit between normal temperature state conductive contact and the anodal inserted sheet, need not to destroy the protection that electronic parts in the cigarette seat can realize parts such as cigarette stopper like this, greatly reduced the maintenance cost, improve the safety in utilization.

Description

Vehicle-mounted cigarette lighter and cigarette seat thereof

Technical Field

The utility model relates to an automobile parts technical field, in particular to vehicle-mounted cigarette lighter and cigarette seat thereof.

Background

The cigarette seat of on-vehicle cigar lighter is applied to the automobile field, mainly is for cigarette stopper or other low-power electrical apparatus power supplies, but the user in the use, if the cigarette stopper does not bounce-back appear, cigarette stopper fever body can generate heat always, when reaching the uniform temperature, can scald and burn even the well accuse panel, is an extremely dangerous situation. More seriously, when the user uses the electric appliance with the power of more than 120W for a long time, the temperature of the branch wire harness of the cigarette lighter is increased due to overload, the wire harness is burnt out, and immeasurable danger is caused to the lives of the whole automobile and drivers and passengers.

Many cigar lighter cigarette seats on the market have increased the protection design in order to solve above-mentioned risk at present. The prior art cigarette lighter mainly solves the technical problems from the following two aspects:

the first mode is to use the PTC material to establish ties inside the cigarette seat, and PTC material resistance can be along with the rising and the grow of temperature, and when being greater than the uniform temperature, the resistance becomes very big, makes the cigar lighter open circuit, nevertheless because this material characteristic stability is poor, often appears becoming invalid, still can't solve above risk completely.

The second is to use a bimetallic strip, and the principle is that after the temperature rises to a certain temperature, the bimetallic strip is heated and expands, at this moment, the positive and negative poles of the cigarette seat contact the short circuit, and then burn out the branched fuse of cigar lighter pencil, play the effect of protection circuit, but want to continue to use this cigarette seat, just need the user to go to the maintenance point and change the fuse. The second mode utilizes fuse fusing principle control cigar lighter circuit disconnection promptly, and later stage maintenance is wasted time and energy, has improved the use cost of vehicle.

Therefore, it is a continuous pursuit of the technical personnel in the field to provide a cigarette holder which can effectively protect the cigarette plug, does not need to destroy the circuit structure of the cigarette lighter and has lower use cost.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cigarette seat of a vehicle-mounted cigarette lighter, which comprises an insulating seat, wherein the insulating seat is provided with a positive inserting piece, a conductive screw and an elastic clamping part; the conductive screw comprises a conductive contact for electrically connecting with a powered element; the elastic clamping component is used for being matched with the supplied power component in an elastic clamping mode, and the positive electrode plug sheet comprises a positive electrode wiring part and a positive electrode contact part;

the insulating seat is further provided with a metal piece, the working temperature of the metal piece is lower than a first preset temperature, the positive contact part is connected with the conductive contact of the conductive screw rod through the metal piece, and the working temperature of the metal piece is equal to or higher than the first preset temperature, so that the metal piece deforms to separate from the positive contact part.

The utility model discloses increase the metalwork in the connecting circuit between conductive contact and the anodal inserted sheet, the metalwork can take place deformation through the temperature in order to realize the disconnection of connecting circuit between high temperature state conductive contact and the anodal inserted sheet to and realize the closure of connecting circuit between normal temperature state conductive contact and the anodal inserted sheet, need not to destroy the protection that electronic parts in the cigarette seat can realize parts such as cigarette stopper like this, greatly reduced the maintenance cost, improve the safety in utilization.

Optionally, the lithium battery further comprises a negative electrode inserting piece, a cylinder shell and an insulating positioning seat, wherein one end of the cylinder shell is open, the other end of the cylinder shell is provided with an end wall, the insulating seat, the metal piece and the elastic clamping component are positioned inside the cylinder shell, and the insulating positioning seat is positioned outside the cylinder shell;

the negative pole inserting piece comprises a negative pole plate body and a negative pole wiring part extending outwards from the negative pole plate body, the negative pole plate body is attached to the end wall of the cylinder shell, and the negative pole wiring part penetrates through the insulating positioning seat and extends outwards; the positive pole inserting piece comprises a positive pole plate body, the positive pole wiring part and the positive pole contact part respectively extend to two sides from the positive pole plate body, the positive pole plate body is positioned on the outer side of the insulation positioning seat, and the positive pole contact part penetrates through holes formed in the insulation positioning seat and the end wall of the cylinder shell and extends to the inner side of the cylinder shell;

and the thread end part of the conductive screw rod penetrates through the elastic clamping part, the insulating seat, the cylinder shell, the negative pole inserting piece, the insulating positioning seat and the positive pole inserting piece to extend to the outside to be connected with a fixing nut.

Optionally, the end face of the insulating base opposite to the cylinder shell is further provided with a protruding positioning block, and the corresponding positions of the cylinder shell and the insulating positioning block are both provided with positioning holes matched with the positioning blocks for radial positioning.

Optionally, the two end faces of the insulation positioning seat are respectively provided with a first mounting groove and a second mounting groove, the positive plate body is mounted in a matched manner with the first mounting groove, and the negative plate body is mounted in a matched manner with the second mounting groove.

Optionally, a notch is formed in the peripheral wall of the insulation positioning seat, and the negative wiring part penetrates through the notch to extend to the outside; a channel is arranged on the body of the insulation positioning seat, and the anode contact part extends into the cylinder shell from the channel;

or/and, one side of insulator housing end wall still is provided with first boss and the second boss of inequal diameter, the second boss sets up to be less than in first boss and external diameter first boss, during the installation first boss penetrates inside the through-hole of barrel casing, the second boss with the through-hole cooperation of negative pole inserted sheet.

Optionally, the insulating rear cover is arranged on the outer side of the insulating positioning seat, the conductive thread end portion penetrates through the insulating rear cover to be connected with the fixing nut, and a boss matched with the through hole of the positive inserting piece is arranged on one side end face of the insulating rear cover facing the insulating positioning seat.

Optionally, the metal piece includes a main body, the main body has a bending portion facing the positive contact portion, the bending portion is abutted to the positive contact portion in a matching manner, two second clamping grooves are arranged on the circumferential outer edge of the insulating base, and two ends of the body are clamped in the two second clamping grooves.

Optionally, the elastic clamping component includes at least two elastic clamping claws, and each elastic clamping claw is elastically clamped with the powered part.

Optionally, when the operating temperature is higher than the second preset temperature, the elastic clamping component deforms so that the powered element is separated.

Additionally, the utility model also provides an on-vehicle cigar lighter, including above-mentioned arbitrary on-vehicle cigar lighter's cigarette seat.

The utility model provides an on-vehicle cigar lighter includes above-mentioned cigarette seat, so this on-vehicle cigar lighter also includes the above-mentioned technological effect of cigarette seat.

Drawings

Fig. 1 is an exploded schematic view of a cigarette holder according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a cigarette holder according to an embodiment of the present invention;

figure 3 is a cross-sectional view a-a of the holder of figure 2;

FIG. 4 is a schematic view of the cigarette holder of FIG. 2 from another perspective;

figure 5 is a cross-sectional view B-B of the holder shown in figure 4;

FIG. 6 is a schematic structural view of the conductive screw of the present invention;

fig. 7 is a schematic structural view of the elastic clip member of the present invention;

fig. 8 is a schematic structural diagram of a metal part in the present invention;

fig. 9a is a schematic side view of the insulating base of the present invention;

fig. 9b is another schematic view of the insulating base according to the present invention;

FIG. 10 is a schematic structural view of a cartridge housing according to the present invention;

fig. 11 is a schematic structural view of a cathode insert of the present invention;

fig. 12a is a schematic side view of the insulation positioning seat of the present invention;

fig. 12b is a schematic view of the other side of the insulation positioning seat of the present invention;

fig. 13 is a schematic structural view of the positive electrode tab of the present invention;

fig. 14 is a schematic structural view of the middle and rear covers of the present invention;

FIG. 15 is a schematic view of the structure of the present invention with parts assembled;

fig. 16 is an assembly diagram of the components of the present invention except the cartridge housing.

Wherein, in fig. 1 to 16:

1. the conductive screw comprises a conductive screw rod, 11 conductive contacts, 12 threaded end parts, 2 elastic clamping parts, 21 first clamping claws, 23 second clamping claws, 22 through holes, 3 metal parts, 31 bent parts, 32 through holes, 4 insulating seats, 41 first clamping grooves, 42 second clamping grooves, 43 through holes, 44 first bosses, 45 second bosses, 46 positioning blocks, 5 barrel shells, 51 through holes, 52 through holes, 53 positioning holes, 6 negative pole inserting pieces, 61 notches, 62 through holes, 63 negative pole plate bodies, 64 positioning holes, 65 negative pole wiring parts, 7 insulating positioning seats, 71 through holes, 72 second mounting grooves, 73 positioning holes, 74 through holes, 75 notches, 76 first mounting grooves, 8 positive pole inserting pieces, 81 contact points, 82 positive pole contact parts, 83 through holes, 84 positive pole plate bodies, 85 positive pole wiring parts, 9 insulating rear covers, and a conductive contact point, 91. The nut comprises a boss, a through hole 92, a first notch 93, a second notch 94 and a nut 10.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Please refer to fig. 1 to 16, the utility model provides an on-vehicle cigar lighter, the cigarette seat of on-vehicle cigar lighter specifically includes insulating seat 4, and insulating seat 4 installs anodal inserted sheet 8, conductive screw 1 and elastic clamping part 2 at least.

The utility model provides a conductive screw 1 includes conductive contact 11 for be connected with by the power supply unit electricity. Besides the function of supplying power to the cigarette plug or other electrical appliances, the conductive screw rod 1 also has the function of connecting all the parts, namely, the conductive screw rod 1 comprises a threaded end part 12, and after all the parts of the cigarette holder are positioned, the threaded end part 12 can position and install all the other parts on the insulating holder 4.

The material of the insulating base 4 may be a ceramic material, that is, the insulating base 4 is a ceramic base. Of course, the insulating base 4 may be made of other insulating materials with good thermal insulation performance.

The utility model provides an elastic clamping part 2 be used for with supplied electric appliance elasticity joint cooperation, elastic clamping part 2 can include two at least elasticity jack catchs, each usually the elasticity jack catch with supplied electric appliance elasticity centre gripping, this paper show that elastic clamping part 2 has the embodiment of two elasticity jack catchs, and two elasticity jack catchs are first elasticity jack catch 21 and second elasticity jack catch 23 respectively. Of course, the resilient snap-in part 2 may also have three or more resilient claws. In order to realize the installation of the conductive screw 1, the elastic clamping component 2 is also provided with a through hole 22 for the conductive screw 1 to pass through.

The elastic claw can realize the elastic clamping of the supplied electric element. Further, the resilient jaws typically also have the following functions: when operating temperature was higher than the second and predetermines the temperature, the 2 deformations of elastic clamping part are so that be separated from by the power supply unit, and the cigarette stopper is kick-backed under the effect of self spring force like this, the automatic circuit that opens circuit that cuts off.

The positive insert 8 includes a positive wiring portion 85 and a positive contact portion 82, the positive contact portion 82 may include a bending section, the bending section is provided with a contact point 81, and the contact point 81 contacts with the metal member 3 in the following text. The positive connection portion 85 is used for connecting an external power supply.

Still install metalwork 3 on the insulator 4, when the first preset temperature of metalwork 3 operating temperature, anodal contact site 82 is connected with the conductive contact of conductive screw 1 through metalwork 3, and when metalwork 3 operating temperature equals or is higher than first preset temperature, metalwork 3 deformation breaks away from with anodal contact 82 portion.

That is, the metal member 3 has at least two states according to the operating temperature, and when the metal member 3 is in the first state, the metal member 3 can contact with the positive contact portion to achieve electrical conduction, and when the metal member 3 is in the second state, the metal member is separated from the positive contact portion, and the circuit between the conductive contact of the conductive screw rod 1 and the positive tab 8 is cut off.

When the temperature is reduced to be lower than the first preset temperature, the metal piece 3 is restored to the first state again, and the closing of the circuit between the positive inserting piece 8 and the conductive contact is realized.

The utility model discloses increase metalwork 3 in the connecting circuit between conductive contact and anodal inserted sheet 8, metalwork 3 can take place the disconnection of deformation in order to realize connecting circuit between high temperature state conductive contact and the anodal inserted sheet 8 through the temperature to and realize the closure of connecting circuit between normal temperature state conductive contact and the anodal inserted sheet 8, need not to destroy the electronic parts in the cigarette seat like this and can realize the protection to parts such as cigarette stopper, greatly reduced the maintenance cost, improve the safety in utilization.

Further, the cigarette seat can also include negative pole inserted sheet 6, barrel shell 5 and insulating positioning seat 7, and 5 one end of barrel shell is uncovered, and the other end is provided with the end wall, and insulating seat 4, metalwork 3 and elastic clamping part 2 are located inside barrel shell 5, and insulating positioning seat 7 is located 5 outsides of barrel shell.

Specifically, the negative electrode tab 6 includes a negative electrode plate body 62 and a negative electrode wiring portion 65 extending outward from the negative electrode plate body 62, the negative electrode plate body abuts against the end wall of the cylinder housing 5, and the negative electrode wiring portion 65 extends outward through the insulating positioning seat 7.

Similarly, the positive insert 8 includes a positive plate body 84, the positive wiring portion 85 and the positive contact portion 84 extend from the positive plate body 84 to both sides respectively, the positive plate body 84 is positioned outside the insulating positioning seat 7, and the positive contact portion 81 passes through the through hole formed in the insulating positioning seat 7 and the end wall of the cylinder housing 5 and extends to the inside of the cylinder housing 5. The insulating positioning seat 7 is provided with a through hole 71, and the end wall of the cylinder housing 5 is provided with a through hole 51 for the positive electrode contact part 81 to pass through. The positive and negative terminal portions 85, 6565 may thus form two outwardly extending socket corners for mating with a power supply socket.

In a specific embodiment, in order to realize the normal installation of the positive electrode insertion piece 8, the negative electrode insertion piece 6 may further be provided with a notch 61 for the positive electrode contact portion of the positive electrode insertion piece 8 to pass through.

And the thread end part of the conductive screw rod 1 penetrates through the elastic clamping part 2, the insulating seat 4, the cylinder shell 5, the negative pole inserting piece 6, the insulating positioning seat 7 and the positive pole inserting piece 8 to extend to the outside to be connected with the fixing nut. That is to say, the elastic clamping part 2, the insulating base 4, the cylinder shell 5, the negative pole inserting piece 6, the insulating positioning base 7 and the positive pole inserting piece 8 are inevitably provided with an avoiding channel for the conductive screw rod 1 to pass through. As shown in fig. 12a and 12b, the through hole 62 of the negative electrode insertion piece 6, the through hole 74 of the insulation positioning seat 7, the through hole 83 of the positive electrode insertion piece 8, the through hole 22 of the elastic clamping component 2, the through hole 32 of the metal piece 3, and the through hole 52 of the cylinder housing 5 are all for the conductive screw rod 1 to pass through.

Of course, the escape passage through which the conductive screw 1 passes is not limited to the structure described herein, as long as the installation of the conductive screw 1 is satisfied.

The technical scheme defined by the embodiment facilitates the installation of each part, and the formed loop has higher safety.

In order to realize the radial quick positioning of the insulating seat 4, the insulating positioning block 46 and other parts, the following arrangement is also provided.

In an embodiment, the end face of the insulating base 4 opposite to the cylinder housing 5 is further provided with a protruding positioning block 46, and the corresponding positions of the cylinder housing 5 and the insulating positioning base 7 are provided with positioning holes for radially positioning in cooperation with the positioning block 46. As shown in the figure, the insulating positioning seat 7 is provided with a positioning hole 73, the end wall of the cylinder housing 5 is provided with a positioning hole 53, and the cathode insertion piece 6 is provided with a positioning hole 64.

During installation, the cylinder shell 5, the insulating positioning seat 7, the positive insertion piece 8 and the negative insertion piece 6 are inserted into the positioning block 46, so that the parts are quickly and accurately positioned, and the assembly speed is increased.

In the above embodiments, the two end surfaces of the insulation positioning seat 7 are respectively provided with the first mounting groove 76 and the second mounting groove 72, the positive plate is mounted in cooperation with the first mounting groove 76, and the negative plate is mounted in cooperation with the second mounting groove 72.

The first mounting groove 76 and the second mounting groove 72 can be used for quickly positioning the anode plate body, the cathode plate body and the insulation positioning seat 7, and are favorable for combination stability.

In one embodiment, the peripheral wall of the insulating positioning seat 7 may be provided with a notch 75, and the negative wiring portion 65 penetrates through the notch 75 to extend to the outside; the body of the insulating positioning seat 7 is provided with a channel 71, and the positive electrode contact part extends into the cylinder shell 5 from the channel.

In the above embodiments, the cigarette seat of the vehicle-mounted cigarette lighter may further include an insulating rear cover 9, the insulating rear cover 9 is located outside the insulating positioning seat 7, and the threaded end of the conductive screw 1 penetrates through the insulating rear cover 9 to be connected with the fixing nut. In order to mount quickly, the insulating rear cover 9 can be further provided with a boss 91, and during assembly, the boss 91 is inserted into the through hole 83 of the positive inserting piece 8. The boss 91 is formed with a through hole 92 for passing a conductive bolt therethrough. In order to facilitate the penetration of the positive wiring portion 85 and the negative wiring portion 65, a first gap 93 and a second gap 94 may be further disposed on the insulating rear cover 9.

In the above embodiments, the metal member 3 includes the main body 32, the main body 32 has the bent portion 31 facing the positive electrode contact portion, and the bent portion 31 is abutted with the positive electrode contact portion. The metal member 3 of this structure has a simple structure and high contact reliability. Furthermore, two second clamping grooves 42 are formed in the circumferential outer edge of the insulating base 4, and two ends of the body are clamped in the two second clamping grooves 42.

Wherein, the circumference of the insulating base 4 can also be provided with two symmetrical first clamping grooves 41 for positioning the clamping jaws of the elastic clamping component 2.

In addition, in order to realize rapid assembly, one side of the insulating base 4 facing the cylinder shell 5 can be further provided with a first boss 44 and a second boss 45 with different diameters, the second boss 45 is arranged on the first boss 44, the outer diameter of the second boss 45 is smaller than that of the first boss 44, the first boss 44 penetrates into the through hole 52 of the cylinder shell during installation, and the second boss 45 is communicated with the through hole 62 of the negative pole inserting piece 6.

The utility model provides an on-vehicle cigar lighter includes above-mentioned cigarette seat, so this on-vehicle cigar lighter also includes the above-mentioned technological effect of cigarette seat.

It is right above the utility model provides an on-vehicle cigar lighter and cigarette seat thereof introduces in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. The cigarette seat of the vehicle-mounted cigarette lighter is characterized by comprising an insulating seat (4), wherein a positive pole inserting piece (8), a conductive screw (1) and an elastic clamping part (2) are arranged on the insulating seat (4); the conductive screw (1) comprises a conductive contact (11) for electrically connecting with a powered element; the elastic clamping component (2) is used for being in elastic clamping fit with the supplied power component, and the positive pole inserting piece (8) comprises a positive pole wiring part (85) and a positive pole contact part (82);

metal part (3) are still installed in insulating seat (4), work as metal part (3) operating temperature is less than first temperature of predetermineeing, anodal contact site passes through metal part (3) with conductive contact (11) electricity of conductive screw rod (1) is connected, works as metal part (3) operating temperature equals or is higher than when first temperature of predetermineeing, metal part (3) deformation with anodal contact site breaks away from.

2. The cigarette holder of the vehicle-mounted cigarette lighter according to claim 1, further comprising a negative electrode insert (6), a cylinder housing (5) and an insulating positioning seat (7), wherein one end of the cylinder housing (5) is open, the other end is provided with an end wall, the insulating seat (4), the metal member (3) and the elastic clamping part (2) are positioned inside the cylinder housing (5), and the insulating positioning seat (7) is positioned outside the cylinder housing (5);

the negative pole inserting piece (6) comprises a negative pole plate body and a negative pole wiring part (65) extending outwards from the negative pole plate body, the negative pole plate body is attached to the end wall of the cylinder shell (5), and the negative pole wiring part (65) penetrates through the insulating positioning seat (7) to extend outwards; the positive pole inserting piece (8) comprises a positive pole plate body, the positive pole wiring part (85) and the positive pole contact part respectively extend to two sides from the positive pole plate body, the positive pole plate body is positioned on the outer side of the insulation positioning seat (7), and the positive pole contact part penetrates through holes formed in the insulation positioning seat (7) and the end wall of the cylinder shell (5) and extends to the inner side of the cylinder shell (5);

and the thread end part of the conductive screw rod (1) penetrates through the elastic clamping part (2), the insulating seat (4), the cylinder shell (5), the negative pole inserting piece (6), the insulating positioning seat (7) and the positive pole inserting piece (8) to extend to the outside to be connected with a fixing nut.

3. The holder of the vehicle cigarette lighter according to claim 2, wherein the end face of the insulating holder (4) opposite to the cylinder housing (5) is further provided with a protruding positioning block, and the corresponding positions of the cylinder housing (5) and the insulating positioning seat (7) are provided with positioning holes which are matched with the positioning block and positioned radially.

4. The holder of an automobile cigarette lighter according to claim 2, characterized in that the insulating positioning seat (7) is provided with a first mounting groove and a second mounting groove on both end faces thereof, the positive plate is fitted in the first mounting groove, and the negative plate is fitted in the second mounting groove.

5. The holder of the cigar lighter for vehicle according to claim 2, wherein the insulating positioning seat (7) is provided at a peripheral wall thereof with a slit, and the negative electrode terminal portion (65) is passed through the slit to extend to the outside; a channel is arranged on the body of the insulating positioning seat (7), and the anode contact part extends into the cylinder shell (5) from the channel;

or/and, insulating seat (4) still are provided with first boss (44) and second boss (45) of inequality footpath towards one side of barrel casing (5) end wall, second boss (45) set up in first boss (44) and the external diameter is less than first boss (44), during the installation first boss (44) penetrate inside the through-hole of barrel casing, second boss (45) with the through-hole cooperation of negative pole inserted sheet (6).

6. The cigarette holder of the vehicle-mounted cigarette lighter according to claim 2, further comprising an insulating rear cover, wherein the insulating rear cover is located outside the insulating positioning seat (7), the threaded end of the conductive screw penetrates through the insulating rear cover and is connected with the fixing nut, and a side end face of the insulating rear cover facing the insulating positioning seat (7) is provided with a boss (91) which is matched with the through hole of the positive insert (8).

7. The holder of the vehicle cigar lighter according to claim 1, wherein the metal member (3) comprises a main body having a bent portion facing the positive contact portion, the bent portion is in fit abutment with the positive contact portion, two second engaging grooves are provided on the circumferential outer edge of the insulating base (4), and two ends of the main body are engaged with the two second engaging grooves.

8. The holder of a vehicle cigar lighter according to claim 1, wherein the resilient catch member (2) comprises at least two resilient jaws, each of which is resiliently clamped to the powered member.

9. The holder of a cigar lighter for vehicles according to any one of claims 1 to 8, wherein the resilient clip member (2) is deformed to facilitate disengagement of the powered member when the operating temperature is higher than a second preset temperature.

10. An automobile cigarette lighter, characterized by comprising the holder of an automobile cigarette lighter according to any one of claims 1 to 9.

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