Automobile cigarette lighter with protection mechanism

By incorporating a limit ball and elastic element into the car cigarette lighter to prevent it from detaching, along with a dust cover design, the problems of easy detachment and dust contamination are solved, achieving a safe and reliable user experience.

CN223904941UActive Publication Date: 2026-02-13RUIAN HUXIN AUTO ELECTRIC CO LTD
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Patent Information

Application Number
CN202520700754.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-02-13
Estimated Expiration
2035-04-14

AI Technical Summary

Technical Problem

Existing car cigarette lighters lack anti-drop features, and USB ports are easily contaminated by dust when not in use.

Method used

A car cigarette lighter with a protective mechanism was designed. It achieves the anti-dislodgement function by setting a limiting ball and an elastic element in the socket, and is equipped with a closable dust cover to cover the USB port.

Benefits of technology

It achieves the effects of preventing the cigarette lighter from falling off and preventing dust, ensuring the safe and reliable use of the equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223904941U_ABST
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Abstract

The utility model relates to the technical field of automobile parts, in particular to an automobile cigarette lighter with a protection mechanism, which comprises a jack module and a cigarette lighter body which are arranged on an automobile, a jack for the cigarette lighter body to insert is arranged in the jack module, and the cigarette lighter body is electrically connected with the jack. A plurality of mounting cavities are formed in the cigarette lighter body along the outer end of the cigarette lighter body, limiting balls are slidably arranged in the mounting cavities, elastic pieces are arranged between the limiting balls and the mounting cavities, one ends of the elastic pieces are connected with the limiting balls, the other ends of the elastic pieces are connected with the bottoms of the mounting cavities, and the elastic pieces enable the limiting balls to protrude relative to the outer wall of the cigarette lighter body. The automobile cigarette lighter with the protection mechanism has the advantages that the structure is simple, and falling prevention and dust prevention are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, specifically relates to a car cigarette lighter with protection mechanism. BACKGROUND

[0002] Now more and more vehicle-mounted intelligent electronic equipment, navigator, vehicle recorders, electronic dog, air purifier, tire pressure monitor and so on, all use cigarette lighter jack as vehicle power supply, these devices are connected to the cigarette lighter jack on the car through the cigarette lighter plug.

[0003] However, in the use process, it is found that the existing cigarette lighter does not have the function of preventing falling off, and the use process may cause accidental falling off, and when the USB socket of the cigarette lighter is idle, it is in an exposed state, so that dust and other foreign matters are easy to fall into, affecting use. SUMMARY

[0004] The utility model relates to the technical field of automobile parts, specifically relates to a car cigarette lighter with protection mechanism.

[0005] To achieve the above object, the utility model provides the following technical scheme: a car cigarette lighter with protection mechanism, including the jack module and cigarette lighter body of being installed on the car, be equipped with the jack of cigarette lighter body insertion in the jack module, and the cigarette lighter body is connected with the jack, and its characterized in that: the cigarette lighter body is equipped with a plurality of installation cavities along its outer end, the installation cavity is equipped with the limit ball that slides, be equipped with the elastic piece between the limit ball and installation cavity, the elastic piece one end is connected with the limit ball and is connected with the installation cavity cavity bottom another end, the elastic piece promotes the limit ball and sets out to protrude to the outer wall of cigarette lighter body, be equipped with the limit slot that the limit ball is connected on the inner wall of jack.

[0006] Adopt the above technical scheme: compared with the lack of anti-falling structure in the prior art, when the cigarette lighter body is inserted into the jack module through the jack in the use process of the utility model, the limit ball will slide into the installation cavity due to the extrusion of the inner wall of the jack, and the elastic piece is compressed at the same time, when the cigarette lighter is inserted to a certain position, the limit ball reaches the limit slot at this time, the extrusion of the limit ball disappears, the elastic piece resets to make the limit ball located in the limit slot, completes the limit, realizes the anti-falling function of the cigarette lighter body.

[0007] The utility model further provides that: the installation cavity is equipped with at least four groups along the outer wall of the cigarette lighter body, and the limit slot is arranged as an arc surface.

[0008] By the arrangement of the at least four groups, the stress of the limiting is more balanced, the effect of preventing the cigarette lighter from being pulled out is guaranteed, the limiting groove is arranged in an arc surface, the cigarette lighter is convenient to pull out, and when the cigarette lighter is pulled out upward, the limiting ball can be compressed inward to be separated from the limiting groove.

[0009] The cigarette lighter body is further provided with a first power contact at the bottom, a USB socket at the top end, a control circuit in the cigarette lighter body, and the control circuit is electrically connected with the USB socket and the first power contact.

[0010] The first power contact, the second power contact and the control circuit are arranged, so that the cigarette lighter body can be normally used when being inserted into the socket module, and the use effect is guaranteed.

[0011] The cigarette lighter body is further provided with a shell, a dust cover is hingedly arranged at one end of the shell, and the dust cover can fully cover the USB socket.

[0012] The dust cover is arranged, when the cigarette lighter body is idle, the dust cover is closed to shield the USB socket, and foreign matters such as dust are prevented from entering the cigarette lighter.

[0013] The dust cover and the shell are made of waterproof material or soft silica gel material, a buckle block is arranged on one end of the shell away from the hinge connection with the dust cover, an elastic clamping part is arranged on one end of the dust cover away from the hinge connection, and a clamping groove capable of clamping the buckle block is arranged on the elastic clamping part.

[0014] The buckle block and the elastic clamping part are arranged, so that the dust cover cannot be opened by other external forces after being closed, and the dust cover can only be opened by manually unclamping the elastic clamping part to make the buckle block separate from the clamping groove.

[0015] The shell is further provided with a plurality of elastic buckles arranged at intervals on the outer wall, and the elastic buckles abut against the outer wall of the cigarette lighter body.

[0016] The elastic buckles are arranged, so that the shell can be firmly mounted on the cigarette lighter body.

[0017] The utility model will be further explained in detail in combination with the drawings and examples. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model.

[0019] Figure 2 It is the body structure schematic view of the cigarette lighter of the utility model.

[0020] Figure 3 It is the body structure schematic view of the cigarette lighter of the utility model. Figure 2 It is the enlarged view of A in the middle.

[0021] Figure 4 It is the jack module structure schematic view of the utility model.

[0022] Label explanation: jack module 1, jack 11, limiting groove 111, second power contact 112, cigarette lighter body 2, mounting cavity 21, limiting ball 22, elastic member 23, first power contact 24, USB socket 25, shell 3, dust cover 31, elastic clamping part 311, clamping groove 312, buckle block 32, elastic buckle 33. DETAILED DESCRIPTION

[0023] The present embodiment and the disclosed embodiment drawings only involve the structure related to the disclosed embodiment, other structures can refer to the usual design, and the person skilled in the art can make modifications to the present embodiment without creative contribution after reading the present specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

[0024] As shown in Figures 1-4 A cigarette lighter with a protection mechanism for a car, comprising a jack module 1 mounted on a car and a cigarette lighter body 2, the jack module 1 is provided with a jack 11 for inserting the cigarette lighter body 2, and the cigarette lighter body 2 is electrically connected with the jack 11, the cigarette lighter body 2 is provided with a plurality of mounting cavities 21 along its outer end, a limiting ball 22 is slidably arranged in the mounting cavity 21, an elastic member 23 is arranged between the limiting ball 22 and the mounting cavity 21, one end of the elastic member 23 is connected with the limiting ball 22 and the other end is connected with the bottom of the mounting cavity 21, the elastic member 23 promotes the limiting ball 22 to be protrudingly arranged relative to the outer wall of the cigarette lighter body 2, a limiting groove 111 for clamping the limiting ball 22 is arranged on the inner wall of the jack 11, the mounting cavity 21 is provided with at least four groups along the outer wall of the cigarette lighter body 2, and the limiting groove 111 is arranged in an arc surface.

[0025] As shown in Figures 1-4 The bottom of the cigarette lighter body 2 is provided with a first power contact 24, and the top end of the cigarette lighter body 2 is provided with a USB socket 25, a control circuit is arranged in the cigarette lighter body 2, the control circuit is electrically connected with the USB socket 25 and the first power contact 24 respectively, the inner bottom of the jack 11 is provided with a second power contact 112, the first power contact 24 can be electrically connected with the second power contact 112, the specific structure of the cigarette lighter for a car of the present embodiment is consistent with the prior art, and will not be repeated here.

[0026] Compared with the lack of anti-dropping structure in the prior art, the utility model discloses in the use process, when cigar lighter body 2 is inserted into the jack module 1 through the jack 11, the limiting ball 22 slides into the installation cavity 21 due to the extrusion of the inner wall of the jack 11, and the elastic member 23 is compressed, when the cigar lighter is inserted to a certain position, the limiting ball 22 reaches the limiting groove 111, the extrusion of the limiting ball 22 disappears, the elastic member 23 resets to make the limiting ball 22 be located in the limiting groove 111, the limiting is completed, and the anti-dropping function of the cigar lighter body 2 is realized.

[0027] Example 2:

[0028] As Figures 1-2 shown, the structure of example 2 is basically same with the structure of example 1, the different place is, the cigar lighter body 2 is equipped with the casing 3, the casing 3 one end articulates has the dust cover 31, the dust cover 31 can cover the USB port 25 completely, the dust cover 31 is made of waterproof material or soft silica gel material with the casing 3, the casing 3 is away from the dust cover 31 articulation one end on the extension and is equipped with the buckle block 32, the dust cover 31 is away from the articulation one end on and is equipped with the elastic clamping part 311, the elastic clamping part 311 is equipped with the card slot 312 that can be clamped with the buckle block 32 on, the outer wall of casing 3 is equipped with a plurality of elastic buckles 33 at intervals, and the elastic buckle 33 is in abutment with the outer wall of the cigar lighter body 2.

[0029] The utility model discloses in the use process, through the setting of dust cover 31, when the cigar lighter body 2 is idle, by closing dust cover 31 can shield USB port 25, prevent dust and other foreign matters from entering the cigar lighter inside, need to use, just buckle open elastic clamping part 311 and make buckle block 32 separate from card slot 312, can open dust cover 31, expose USB port 25 and use.

Claims

1. A car cigarette lighter with a protective mechanism, comprising a socket module installed on a car and a cigarette lighter body, wherein the socket module has a socket for inserting the cigarette lighter body, and the cigarette lighter body is electrically connected to the socket, characterized in that: The cigarette lighter body has several mounting cavities along its outer end. A limiting ball is slidably disposed in the mounting cavity. An elastic element is disposed between the limiting ball and the mounting cavity. One end of the elastic element is connected to the limiting ball and the other end is connected to the bottom of the mounting cavity. The elastic element causes the limiting ball to protrude relative to the outer wall of the cigarette lighter body. A limiting groove is provided on the inner wall of the socket for the limiting ball to engage.

2. The automotive cigarette lighter with a protective mechanism according to claim 1, characterized in that: The mounting cavity is provided in at least four sets along the outer wall of the cigarette lighter body, and the limiting groove is arranged in an arc shape.

3. A car cigarette lighter with a protective mechanism according to claim 2, characterized in that: The bottom of the cigarette lighter body is provided with a first power contact, and the top of the cigarette lighter body is provided with a USB port. The cigarette lighter body is provided with a control circuit, which is electrically connected to the USB port and the first power contact respectively. The bottom of the socket is provided with a second power contact, and the first power contact can be electrically connected to the second power contact.

4. A car cigarette lighter with a protective mechanism according to any one of claims 1-3, characterized in that: The cigarette lighter body is fitted with a housing, and a dust cover is hinged to one end of the housing, which can fully cover the USB port.

5. A car cigarette lighter with a protective mechanism according to claim 4, characterized in that: The dust cover and the housing are made of waterproof material or soft silicone material. A buckle block extends from the end of the housing away from the hinge with the dust cover. An elastic snap-fit ​​part is provided on the end of the dust cover away from the hinge. The elastic snap-fit ​​part has a slot that can snap into the buckle block.

6. A car cigarette lighter with a protective mechanism according to claim 5, characterized in that: The outer wall of the housing is provided with a number of elastic buckles at intervals, and the elastic buckles abut against the outer wall of the cigarette lighter body.