Vehicle-mounted electronic equipment and cigarette lighter power connection plug thereof
By setting a detour channel inside the outlet of the rear side of the housing of the cigarette lighter plug, the conductor is circumcised, and the problems of high cost and installation troubles caused by the sheath in the prior art are solved, and structural simplification and tensile strength are improved.
Patent Information
- Application Number
- CN202422409941.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-09-30
AI Technical Summary
In order to avoid the wire harness being torn off, existing cigarette lighter plugs are usually provided with sheath, which leads to high cost and troublesome installation.
A detour channel is set inside the outlet port on the rear side of the housing, so that the positive electrode wire and the negative electrode wire pass through the detour channel and then pass out from the outlet port, thereby improving the tensile strength and avoiding the wire harness being pulled off.
Through the roundabout wiring structure, the structure is simplified, the cost is reduced, the tensile strength is improved, and the wire harness is not broken.
Smart Images
Figure CN223141098U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile accessories, in particular to an in-vehicle electronic device and a cigarette lighter power connection plug thereof. Background Art
[0002] Generally speaking, an automobile is equipped with a cigarette lighter socket and a cigarette lighter to facilitate the vehicle occupants to light cigarettes. A cigarette lighter is one of the simplest in-vehicle electronic devices. In addition, the cigarette lighter socket of an automobile can also be used to provide power for other in-vehicle electronic devices. With the development of automobile accessory technology, the types of in-vehicle electronic devices powered by the cigarette lighter socket are increasing, and common ones include but are not limited to GPS, in-vehicle refrigerators, in-vehicle inflators, car wash pumps, etc. A cigarette lighter plug is a device for supplying power from the cigarette lighter socket to these in-vehicle electronic devices.
[0003] As Figure 1 shown in
[0004] In addition, in order to prevent the wire harness from being pulled and broken when pulling the wire harness at the rear side of the housing, a sheath is provided at the wire outlet on the rear side of the cigarette lighter plug, but relatively speaking, the cost is high and the installation is troublesome. Summary of the Invention
[0005] In order to solve the above problems, the first object of the utility model is to provide a cigarette lighter power connection plug. In this solution, a detour channel is provided inside the wire outlet at the rear side of the housing. Based on the positive wire and the negative wire passing through the detour channel and then passing out from the wire outlet, the anti-tensile strength of the positive wire and the negative wire is improved by detouring the wire, so that the wire harness can be prevented from being pulled and broken.
[0006] In order to achieve the above object, the utility model adopts the following technical solutions:
[0007] A cigarette lighter power connection plug includes a housing and a conductive component arranged inside the housing; the conductive component includes a positive contact arranged at the front end of the housing, a positive wire connected to the positive contact, a negative contact piece arranged on the side of the housing, and a negative wire connected to the negative contact piece; both the positive wire and the negative wire are inside the housing; characterized in that: a detour channel is provided inside the wire outlet at the rear side of the housing, and the positive wire and the negative wire pass through the detour channel and then pass out from the wire outlet.
[0008] The present utility model adopts the above technical solution, which relates to a cigarette lighter power plug. A positive contact is arranged at the front end of the cigarette lighter power plug, and a negative contact piece is arranged on the side. The positive wire and the negative wire are both inside the housing and are respectively connected to the positive contact and the negative contact piece. When in use, the cigarette lighter power plug is plugged into the cigarette lighter socket, and power supply is realized based on positive and negative conduction.
[0009] On this basis, in the present solution, a detour channel is arranged inside the wire outlet at the rear side of the housing, replacing the sheath arranged here in the existing solution. Based on the positive wire and the negative wire passing through the detour channel and then passing out from the wire outlet, the anti-tensile strength of the positive wire and the negative wire is improved by detouring the wire routing, so that the wire harness can be prevented from being broken.
[0010] Based on the above solution, compared with the existing solution, the sheath can be saved, the structure can be simplified, and the cost can be reduced.
[0011] In a specific implementation, the detour channel at least includes a first channel section and a second channel section that are connected. An acute angle is formed between the first channel section and the second channel section. The positive wire and the negative wire are bent at an acute angle, which can improve the anti-tensile strength.
[0012] In a specific implementation, a plurality of baffles are integrally constructed on the inner wall of the housing inside the wire outlet. The plurality of baffles enclose to form the detour channel. The baffles are integrally injection-molded with the housing, which is convenient for molding and has higher strength.
[0013] Preferably, the positive contact is elastically telescopically arranged at the end of the housing, and a spring for propping against the positive contact is arranged inside the end of the housing. The elastic telescopic arrangement of the positive contact can ensure better contact between the positive contact and the positive when the cigarette lighter power plug is plugged.
[0014] Preferably, a positioning cavity is arranged inside the end of the housing, the inner end of the positive contact is located in the positioning cavity, and the two ends of the spring respectively abut against the inner end of the positive contact and the side wall of the positioning cavity.
[0015] In a specific solution, an opening is arranged on the side of the housing, and the negative contact piece is positioned in the housing inside the opening; the deformed section of the negative contact piece passes through the opening and is exposed outside the housing. When the cigarette lighter power plug is plugged, the deformed section of the negative contact piece is in extrusion contact with the negative, which can, on the one hand, position the cigarette lighter power plug, and on the other hand, ensure a larger power connection area.
[0016] Preferably, the negative contact piece includes a positioning section positioned inside the housing and a deformed section passing through the opening; the deformed section is constructed as an arc.
[0017] Preferably, a clamping block is arranged inside the opening on the side of the housing. A first clamping opening and a second clamping opening are formed between the clamping block and the two side walls of the opening. The deformed section of the negative contact extends out from the first clamping opening and its end is clamped into the second clamping opening. In this way, the negative contact can be firmly clamped and is not easily disengaged from the opening.
[0018] In a further solution, there is only one negative contact on the housing, and an arc-shaped positioning protrusion radially symmetric or circumferentially symmetric with the negative contact is also arranged on the outer side wall of the housing. In this solution, the negative contact cooperates with the arc-shaped positioning protrusion to achieve the positioning of the cigarette lighter power connection plug. And this solution only uses one negative contact and negative wire, which can simplify the internal wiring and reduce the cost.
[0019] A vehicle-mounted electronic device, characterized in that it includes the cigarette lighter power connection plug as described above. Description of the Drawings
[0020] Figure 1 is a three-dimensional view of the cigarette lighter power connection plug Figure 1 .
[0021] Figure 2 is a three-dimensional view of the cigarette lighter power connection plug Figure 2 .
[0022] Figure 3 is an exploded view of the structure of the cigarette lighter power connection plug.
[0023] Figure 4 is a schematic diagram of the internal structure of the cigarette lighter power connection plug.
[0024] Figure 5 is a schematic diagram of the inside of the housing of the cigarette lighter power connection plug. Detailed Embodiments
[0025] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present invention and should not be construed as a limitation of the present invention.
[0026] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.
[0027] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.
[0028] In the present utility model, unless otherwise clearly specified and defined, terms such as "install", "connect", "join", "fix", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0029] In the present utility model, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features between them. Moreover, the first feature being "above", "over" and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature. Embodiment
[0030] Such as Figures 1-5As shown in the figure, this embodiment relates to a cigarette lighter power plug, which includes a housing 1 and a conductive component disposed inside the housing 1. In the figure, the housing 1 is assembled by two half-housings. The conductive component includes a positive electrode contact 2 disposed on the front end of the housing 1, a positive electrode wire 21 connected to the positive electrode contact 2, a negative electrode contact piece 3 disposed on the side of the housing 1, and a negative electrode wire 31 connected to the negative electrode contact piece 3. Both the positive electrode wire 21 and the negative electrode wire 31 are inside the housing 1. A detour channel 10 is provided inside the wire outlet 11 at the rear of the housing 1. The positive electrode wire 21 and the negative electrode wire 31 pass through the detour channel 10 and then pass out from the wire outlet 11. The front end of this cigarette lighter power plug is provided with a positive electrode contact 2, and the side is provided with a negative electrode contact piece 3. The positive electrode wire 21 and the negative electrode wire 31 are both inside the housing 1 and are respectively connected to the positive electrode contact 2 and the negative electrode contact piece 3. When in use, the cigarette lighter power plug is plugged into the cigarette lighter socket, and power supply is realized based on positive and negative conduction.
[0031] On this basis, in this solution, a detour channel 10 is provided inside the wire outlet 11 at the rear of the housing 1, replacing the sheath provided in the existing solution. Based on the positive electrode wire 21 and the negative electrode wire 31 passing through the detour channel 10 and then passing out from the wire outlet 11, the anti-tensile strength of the positive electrode wire 21 and the negative electrode wire 31 is improved by detouring the wire routing, so that the wire harness can be prevented from being broken.
[0032] Based on the above solution, compared with the existing solution, the sheath can be saved, the structure can be simplified, and the cost can be reduced.
[0033] In a specific implementation, the detour channel 10 at least includes a connected first channel section 12 and a second channel section 13. An acute angle is formed between the first channel section 12 and the second channel section 13. The positive electrode wire 21 and the negative electrode wire 31 are bent at an acute angle, which can improve the anti-tensile strength. In a specific implementation, a plurality of baffle plates 14 are integrally formed on the inner wall of the housing 1 inside the wire outlet 11. The plurality of baffle plates 14 enclose to form the detour channel 10. The baffle blocks are integrally injection-molded with the housing 1, which is convenient for molding and has higher strength.
[0034] As Figure 3 and 4 shown, the positive electrode contact 2 is elastically telescopically disposed on the end of the housing 1, and a spring 22 for propping against the positive electrode contact 2 is disposed inside the end of the housing 1. The positive electrode contact 2 is elastically telescopically disposed, which can ensure better contact between the positive electrode contact 2 and the positive electrode when the cigarette lighter power plug is plugged. In a specific solution, a positioning cavity 15 is provided inside the end of the housing 1. The inner end of the positive electrode contact 2 is inside the positioning cavity 15, and both ends of the spring 22 respectively abut against the inner end of the positive electrode contact 2 and the side wall of the positioning cavity 15.
[0035] As Figure 4 and 5As shown, an opening 16 is provided on the side surface of the housing 1, and the negative electrode contact piece 3 is positioned in the housing 1 inside the opening 16. The deformed section of the negative electrode contact piece 3 passes through the opening 16 and exposes outside the housing 1. When the cigarette lighter power connection plug is inserted, the deformed section of the negative electrode contact piece 3 is in extrusion contact with the negative electrode. On the one hand, it can position the cigarette lighter power connection plug, and on the other hand, it can ensure a larger power connection area. In a specific solution, the negative electrode contact piece 3 includes a positioning section 32 positioned inside the housing 1 and a deformed section 33 passing through the opening 16. The deformed section 33 is constructed as an arc. A clamping block is provided inside the opening 16 on the side surface of the housing 1, and a first clamping opening 161 and a second clamping opening 162 are formed between the clamping block and the two side walls of the opening 16. The deformed section 33 of the negative electrode contact piece 3 extends out from the first clamping opening 161 and its end is snapped into the second clamping opening 162. In this way, it can ensure that the negative electrode contact piece 3 is firmly clamped and not easily detached from the opening 16.
[0036] In a further solution, there is only one negative electrode contact piece 3 on the housing 1, and an arc-shaped positioning protrusion 19 radially symmetric or circumferentially symmetric with the negative electrode contact piece 3 is also provided on the outer side wall of the housing 1. In this solution, the negative electrode contact piece 3 cooperating with the arc-shaped positioning protrusion 19 can realize the positioning of the cigarette lighter power connection plug, and this solution only adopts one negative electrode contact piece 3 and a negative electrode wire 31, which can simplify the internal wiring and reduce the cost. Embodiment
[0037] This embodiment relates to a vehicle-mounted electronic device, including the cigarette lighter power connection plug as described in Embodiment 1.
[0038] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.
[0039] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present utility model without departing from the principle and purpose of the present utility model.
Claims
1. A cigarette lighter power plug, comprising a housing (1) and a conductive component disposed within the housing (1); the conductive component includes a positive electrode contact (2) disposed on the front end of the housing (1), a positive electrode wire (21) connected to the positive electrode contact (2), a negative electrode contact piece (3) disposed on the side of the housing (1), and a negative electrode wire (31) connected to the negative electrode contact piece (3); the positive electrode wire (21) and the negative electrode wire (31) are both inside the housing (1), and it is characterized in that: Inside the outlet (11) at the rear side of the housing (1), a detour channel (10) is provided. The positive wire (21) and the negative wire (31) pass through the detour channel (10) and then pass out from the outlet (11).
2. The cigarette lighter power plug according to claim 1, characterized in that: The detour channel (10) at least includes a first channel segment (12) and a second channel segment (13) that are connected and communicate with each other. An acute angle is formed between the first channel segment (12) and the second channel segment (13).
3. The cigarette lighter power plug according to claim 2, characterized in that: On the inner wall of the housing (1) inside the outlet (11), multiple baffles (14) are integrally constructed. The multiple baffles (14) enclose to form the detour channel (10).
4. A cigarette lighter power plug according to any one of claims 1 to 3, characterized in that: The positive contact (2) is elastically telescopically arranged at the end of the housing (1). A spring (22) for propping against the positive contact (2) is arranged inside the end of the housing (1).
5. The cigarette lighter power plug according to claim 4, characterized in that: A positioning cavity (15) is arranged inside the end of the housing (1). The inner end of the positive contact (2) is located inside the positioning cavity (15). The two ends of the spring (22) respectively abut against the inner end of the positive contact (2) and the side wall of the positioning cavity (15).
6. A cigarette lighter power plug according to any one of claims 1 to 3, characterized in that: An opening (16) is provided on the side surface of the housing (1). The negative contact piece (3) is positioned in the housing (1) inside the opening (16); the deformation section (33) of the negative contact piece (3) passes through the opening (16) and is exposed outside the housing (1).
7. The cigarette lighter power plug according to claim 6, characterized in that: The negative contact piece (3) includes a positioning section (32) positioned inside the housing (1) and a deformation section (33) passing through the opening (16); the deformation section (33) is constructed as an arc.
8. The cigarette lighter power plug according to claim 7, characterized in that: A clamping block is arranged inside the opening (16) on the side surface of the housing (1). A first clamping opening (161) and a second clamping opening (162) are formed between the clamping block and the two side walls of the opening (16); the deformation section (33) of the negative contact piece (3) extends out from the first clamping opening (161) and its end is clamped into the second clamping opening (162).
9. The cigarette lighter power plug according to claim 7, characterized in that: There is only one negative contact piece (3) on the housing (1). An arc-shaped positioning protrusion (19) that is radially symmetric or circumferentially symmetric with the negative contact piece (3) is also provided on the outer side wall of the housing (1).
10. A vehicle-mounted electronic device, characterized in that: Including the cigarette lighter power plug according to any one of claims 1 to 9.