Anti-winding vehicle-mounted power line

Abstract

The utility model discloses an anti-winding vehicle-mounted power line, and relates to the technical field of vehicle-mounted power lines, the anti-winding vehicle-mounted power line comprises a shell and a power line main body, an external thread bushing is arranged above the outer surface of the shell, an operating sleeve is sleeved outside the external thread bushing, and clamping plates and supporting plates are arranged above the two sides of the shell. Through the arrangement of the clamping plate, the supporting plate, the control sleeve and the external thread sleeve, the negative electrode elastic piece does not need to play a limiting role and only needs to be used for being connected with the negative electrode of the cigarette lighter interface, so that the length can be shortened, the clamping plate can be arranged in a reserved space after the length is shortened, and the control sleeve moves downwards to abut against the clamping plate by rotating the control sleeve; the clamping plates rotate to abut against the inner wall of the cigarette lighter connector, the contact pressure between the clamping plates and the inner wall of the cigarette lighter connector is increased through the control sleeve, the contact area is increased by arranging the multiple clamping plates, and therefore friction force is greatly increased, and the phenomenon that the shell falls off from the cigarette lighter connector is avoided. The phenomenon that the shell falls off when the power line body is pulled is effectively avoided.

Description

Technical Field

[0001] This utility model relates to the field of vehicle power cord technology, specifically an anti-tangling vehicle power cord. Background Technology

[0002] Vehicle power cords are generally divided into three types. The first type is the power cord harness used to transmit current for equipment inside the vehicle. The second type is the charging cable that supplies power through the cigarette lighter interface or USB interface to charge mobile devices such as mobile phones. The third type is a power cord used in new energy vehicles with external discharge function. It has a larger power and the end is a common power socket, which can supply power to appliances such as induction cookers and is convenient for outdoor activities.

[0003] Existing in-vehicle power cords, when charging mobile phones for front-seat or rear-seat passengers, may cause problems because these passengers are not driving and may use their phones. When passengers use their phones while charging, the power cord may be pulled, potentially causing the power cord connector to be pulled out of the vehicle's cigarette lighter socket. In particular, the negative terminal spring of the cigarette lighter adapter is prone to deformation and loss of restraint after repeated plugging and unplugging, making it inconvenient to use. Utility Model Content

[0004] Therefore, the purpose of this utility model is to provide an anti-tangling vehicle power cord to solve the technical problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an anti-tangling vehicle power cord, comprising a housing and a power cord body, wherein an external threaded sleeve is provided on the upper surface of the outer surface of the housing, and an operating sleeve is sleeved on the outside of the external threaded sleeve, and a clamping plate and a support plate are provided on the upper sides of both sides of the housing.

[0006] By adopting the above technical solution, during use, the user inserts the outer casing into the vehicle's cigarette lighter socket. Then, the user rotates the control sleeve, which is threadedly connected to the external threaded sleeve. After rotating, the control sleeve moves downward and abuts against the retaining plate, causing the retaining plate to rotate and abut against the inner wall of the cigarette lighter socket. The control sleeve increases the contact pressure between the retaining plate and the inner wall of the cigarette lighter socket, and the multiple retaining plates increase the contact area, thereby significantly increasing the friction and preventing the outer casing from falling out of the cigarette lighter socket. The presence of the support plate creates friction between the tightened control sleeve and the support plate, reducing the occurrence of reverse rotation of the control sleeve and preventing excessive displacement of the control sleeve from causing the retaining plate to break due to excessive force.

[0007] Furthermore, the operating sleeve is threadedly connected to the external threaded sleeve, and the operating sleeve abuts against the clamping plate and the support plate, and the clamping plate is rotatably connected to the outer shell.

[0008] By adopting the above technical solution, the user rotates the operating sleeve, which is threadedly connected to the external threaded sleeve. After rotating, the operating sleeve moves downward and abuts against the clamping plate, causing the clamping plate to rotate and abut against the inner wall of the cigarette lighter interface. The operating sleeve increases the contact pressure between the clamping plate and the inner wall of the cigarette lighter interface, and multiple clamping plates are set to increase the contact area, thereby significantly increasing the friction and preventing the outer shell from falling off the cigarette lighter interface. The presence of the support plate creates friction between the tightened operating sleeve and the support plate, reducing the occurrence of reverse rotation of the operating sleeve, and preventing excessive displacement of the operating sleeve from causing the clamping plate to be subjected to excessive force and breakage.

[0009] Furthermore, multiple card plates and support plates are provided, and the multiple card plates and support plates are distributed in a ring array.

[0010] By adopting the above technical solution, multiple clamping plates are set to increase the contact area, thereby significantly increasing the friction and preventing the outer shell from falling off the cigarette lighter interface. The presence of the support plate creates friction between the tightened control sleeve and the support plate, reducing the occurrence of control sleeve reversal and preventing excessive displacement of the control sleeve from causing the clamping plate to break due to excessive force.

[0011] Furthermore, the card plate, operating sleeve, and external threaded sleeve are all made of POM or ABS material, and the surface of the card plate is rough.

[0012] By adopting the above technical solution, the card plate is made of POM material, which has good wear resistance and strength, and can be used for a long time. Its rough surface increases the friction, further preventing the outer shell from slipping out of the cigarette lighter interface. In addition, POM material has insulation properties, preventing the card plate from connecting to the circuit and causing short circuit leakage.

[0013] Furthermore, the outer layer of the power cord body is made of TPU material, and the power cord body is spiral-shaped.

[0014] By adopting the above technical solution, the main body of the power cord is spiral-shaped. Due to the high elasticity of its TPU material outer sheath, the main body of the power cord can be stretched and extended during use, and can be shortened by its own elasticity to restore the spiral shape when not in use, thus avoiding tangling.

[0015] Furthermore, a spring is connected to the lower part of the inner shell, and a positive terminal is connected to the bottom of the spring. A positive wire passes through the top of the positive terminal. A circuit board is installed in the upper part of the inner shell, and a power cord body is installed on the top of the circuit board. Negative contacts pass through both sides of the outer shell, and a negative wire is connected between the negative contacts and the circuit board.

[0016] By adopting the above technical solution, when the user uses electricity, the spring pushes the positive terminal to make it tightly contact the positive terminal in the cigarette lighter interface, thereby connecting the positive terminal. The current then passes through the positive wire, fuse holder, and fuse in sequence before entering the circuit board. Finally, it enters the user's mobile device such as a mobile phone or tablet through the power cord body to start the charging operation. The negative current passes through the power cord body, circuit board, negative wire, and negative contact spring in sequence. The negative contact spring, through its own elasticity, makes tight contact with the negative terminal in the cigarette lighter interface, thereby connecting the negative terminal and allowing the negative current to enter the cigarette lighter interface to form a circuit.

[0017] Furthermore, the positive terminal has an inverted "V" shaped cross-section and is slidably connected to the outer casing.

[0018] By adopting the above technical solution, the positive terminal is pushed by a spring to make it make close contact with the positive terminal in the cigarette lighter interface, thereby connecting the positive terminal.

[0019] Furthermore, a fuse holder is installed inside the housing, and a fuse is installed inside the fuse holder. The fuse holder is connected to the positive line, and the fuse holder is connected to the positive input terminal of the circuit board via a wire.

[0020] By adopting the above technical solution, when a short circuit occurs in the vehicle power line, the fuse melts and breaks the circuit, thereby providing protection and reducing the occurrence of fires.

[0021] Furthermore, bolts penetrate the outer surface of the outer casing, and limit rings are connected to the lower sides of both sides of the outer casing, with the limit rings threadedly connected to the outer casing.

[0022] By adopting the above technical solution, after the fuse is replaced, the user will attach the two halves of the housing together and screw them into the bolt limit position. Finally, the user will rotate the limit ring and the control sleeve back to clamp the two ends of the housing, thereby completing the limit position of the housing and preventing the housing from separating.

[0023] Furthermore, the outer surface of the housing is detachably connected to the back of the housing.

[0024] By adopting the above technical solution, when it is necessary to replace the fuse, first pull out the outer casing, and the user continues to reverse the operating sleeve to separate the operating sleeve from the external threaded sleeve. The user then rotates the limiting ring to separate the limiting ring from the outer casing. After that, the user removes the bolt to end the limiting of the outer casing. Finally, the user splits the outer casing in two to expose the fuse holder and the fuse. At this time, the user can replace the fuse.

[0025] In summary, the present invention has the following main advantages:

[0026] 1. This utility model, through the arrangement of a clamping plate, a support plate, an operating sleeve, and an external threaded sleeve, eliminates the need for the negative electrode spring to perform a limiting function. It only needs to connect the negative electrode of the cigarette lighter interface, thus shortening its length. The space reserved after the length reduction can accommodate the clamping plate. By rotating the operating sleeve, the operating sleeve moves downward to abut against the clamping plate, causing the clamping plate to rotate and abut against the inner wall of the cigarette lighter interface. The operating sleeve increases the contact pressure between the clamping plate and the inner wall of the cigarette lighter interface, and the multiple clamping plates increase the contact area, thereby significantly increasing friction and preventing the outer shell from falling off the cigarette lighter interface. The presence of the support plate creates friction between the tightened operating sleeve and the support plate, reducing the occurrence of reverse rotation of the operating sleeve and preventing excessive displacement of the operating sleeve from causing the clamping plate to break due to excessive force. It also effectively prevents the outer shell from falling off when the power cord body is pulled.

[0027] 2. This utility model features a card plate made of POM material, which has good wear resistance and strength, allowing for long-term use. Its rough surface increases friction, further preventing the outer casing from slipping out of the cigarette lighter interface. In addition, the POM material has insulation properties, preventing short circuits and leakage caused by the card plate connecting to the circuit.

[0028] 3. This utility model features a power cord body that is spiral-shaped. Its TPU outer sheath has high elasticity, allowing the power cord body to be stretched and straightened during use. When not in use, it returns to its spiral shape through its own elasticity, thus shortening the power cord body and preventing tangling. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the structure of this utility model;

[0030] Figure 2 This is a schematic diagram of the outer shell structure of this utility model;

[0031] Figure 3 This is a schematic diagram of the back structure of the outer shell of this utility model;

[0032] Figure 4 This is a schematic diagram of the cross-sectional structure of the outer shell of this utility model;

[0033] Figure 5 This is a schematic diagram of the exploded structure of this utility model.

[0034] In the diagram: 1. Outer casing; 2. Positive terminal; 3. Spring; 4. Positive wire; 5. Negative contact spring; 6. Negative wire; 7. Circuit board; 8. Power cord body; 9. Bolt; 10. Limiting ring; 11. Fuse holder; 12. Fuse; 13. Clamping plate; 14. Support plate; 15. Operating sleeve; 16. External threaded sleeve. Detailed Implementation

[0035] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0036] The embodiments of this utility model will be described below based on its overall structure.

[0037] Example 1:

[0038] A tangle-free car power cord, such as Figures 1-5 As shown, the device includes a housing 1 and a power cord body 8. The outer layer of the power cord body 8 is made of TPU material and is spiral-shaped. The TPU material has high elasticity, allowing the power cord body 8 to be stretched and extended during use, and to shorten when not in use by restoring its spiral shape, preventing tangling. An external threaded sleeve 16 is provided on the upper surface of the housing 1, and an operating sleeve 15 is fitted onto the external threaded sleeve 16. The operating sleeve 15 is threadedly connected to the external threaded sleeve 16. Multiple clamping plates 13 and support plates 14 are provided on the upper sides of the housing 1, arranged in a circular array. The operating sleeve 15 abuts against the clamping plates 13 and support plates 14, and the clamping plates 13 are rotatably connected to the housing 1. When the user inserts the housing 1 into the vehicle's cigarette lighter socket, the user rotates the operating sleeve 15, which is threadedly connected to the external threaded sleeve 16, allowing the operating sleeve to be rotated. After the sleeve 15 rotates, it moves downward to abut against the clamping plate 13, causing the clamping plate 13 to rotate and abut against the inner wall of the cigarette lighter interface. By operating the sleeve 15, the contact pressure between the clamping plate 13 and the inner wall of the cigarette lighter interface is increased. The multiple clamping plates 13 also increase the contact area, thereby significantly increasing the friction and preventing the outer shell 1 from falling out of the cigarette lighter interface. The presence of the support plate 14 creates friction between the operating sleeve 15 and the support plate 14, reducing the occurrence of reverse rotation of the operating sleeve 15 and preventing excessive displacement of the operating sleeve 15, which could cause the clamping plate 13 to break due to excessive force. The clamping plate 13, the operating sleeve 15, and the external threaded sleeve 16 are all made of POM or ABS material. The surface of the clamping plate 13 is rough. Because the clamping plate 13 is made of POM material, it has good wear resistance and strength, and can be used for a long time. Its rough surface increases the friction, further preventing the outer shell 1 from slipping out of the cigarette lighter interface. In addition, POM material has insulation properties, preventing the clamping plate 13 from being connected to the circuit and causing short circuits or leakage.

[0039] See Figures 1-5In the above embodiment, a spring 3 is connected to the lower part of the inner shell 1, and a positive terminal 2 is connected to the bottom of the spring 3. The positive terminal 2 has an inverted "U" shaped cross section and is slidably connected to the outer shell 1. A positive wire 4 passes through the top of the positive terminal 2. A circuit board 7 is installed on the upper part of the inner shell 1, and a power cord body 8 is installed on the top of the circuit board 7. Negative electrode springs 5 ​​pass through both sides of the outer shell 1, and a negative wire 6 is connected between the negative electrode springs 5 ​​and the circuit board 7. When the user uses electricity, the spring 3 pushes the positive terminal 2, so that the positive terminal 2 makes close contact with the positive terminal in the cigarette lighter interface, thereby connecting the positive terminal. The current passes through the positive wire 4 and enters the circuit board 7 in sequence, and finally enters the user's mobile device such as mobile phone or tablet through the power cord body 8 to start the charging operation. The negative current passes through the power cord body 8, the circuit board 7, the negative wire 6 and the negative electrode spring 5 in sequence. The negative electrode spring 5 makes close contact with the negative terminal in the cigarette lighter interface through its own elasticity, thereby connecting the negative terminal and allowing the negative current to enter the cigarette lighter interface to form a circuit.

[0040] Example 2:

[0041] Based on the above embodiment one, the following settings are now implemented to improve security.

[0042] See Figure 4 and Figure 5 In the above embodiment, a fuse holder 11 is installed inside the housing 1, and a fuse 12 is installed inside the fuse holder 11. The fuse holder 11 is connected to the positive line 4, and the fuse holder 11 is connected to the positive input terminal of the circuit board 7 through a wire. When a short circuit occurs in the vehicle power line, the fuse 12 melts and breaks the circuit, thereby forming protection to reduce the occurrence of fire.

[0043] Example 3:

[0044] Based on the above embodiment 2, the following settings are made to facilitate the replacement of the damaged fuse 12.

[0045] See Figures 1-5In the above embodiment, bolts 9 penetrate the outer surface of the outer shell 1, and limit rings 10 are connected to the lower sides of the outer shell 1. The limit rings 10 are threadedly connected to the outer shell 1, and the outer surface of the outer shell 1 is detachably connected to the back of the outer shell 1. When it is necessary to replace the fuse 12, the user first pulls out the outer shell 1, and the user continues to reverse the operating sleeve 15 to separate the operating sleeve 15 from the external threaded sleeve 16. The user also rotates the limit ring 10 to separate the limit ring 10 from the outer shell 1. Then, the user removes the bolts 9 to end the limitation on the outer shell 1. Finally, the user splits the outer shell 1 in two to expose the fuse holder 11 and the fuse 12. At this time, the user can replace the fuse 12. After the replacement is completed, the user puts the two halves of the outer shell 1 together and screws them into the bolts 9 for limitation. Finally, the user rotates the limit rings 10 and the operating sleeve 15 back to clamp the two ends of the outer shell 1, thereby completing the limitation on the outer shell 1 and preventing the outer shell 1 from separating.

[0046] The implementation principle of this utility model is as follows: First, during use, the user inserts the outer shell 1 into the cigarette lighter interface of the vehicle. Then, the user rotates the operating sleeve 15. The operating sleeve 15 is threadedly connected to the external threaded sleeve 16, causing the operating sleeve 15 to rotate and move down to abut against the clamping plate 13. This causes the clamping plate 13 to rotate and abut against the inner wall of the cigarette lighter interface. By increasing the contact pressure between the clamping plate 13 and the inner wall of the cigarette lighter interface through the operating sleeve 15, and by setting multiple clamping plates 13 to increase the contact area, the friction is greatly increased, preventing the outer shell 1 from falling out of the cigarette lighter interface. The presence of the support plate 14 causes friction between the operating sleeve 15 and the support plate 14 when tightened, reducing the occurrence of reverse rotation of the operating sleeve 15 and preventing excessive displacement of the operating sleeve 15 from causing the clamping plate 13 to be subjected to excessive force and breakage.

[0047] When the user uses electricity, spring 3 pushes the positive terminal 2, causing it to make tight contact with the positive terminal in the cigarette lighter socket, thus connecting the positive terminal. The current then flows sequentially through the positive wire 4, fuse holder 11, and fuse 12 before entering the circuit board 7. Finally, it flows through the power cord body 8 to the user's mobile device, such as a mobile phone or tablet, to begin charging. The negative current flows sequentially through the power cord body 8, circuit board 7, negative wire 6, and negative contact spring 5. The negative contact spring 5, through its elasticity, makes tight contact with the negative terminal in the cigarette lighter socket, thus connecting the negative terminal and allowing the negative current to flow into the negative terminal. A circuit is formed in the cigarette lighter interface; during this process, the card plate 13 is made of POM material, which has good wear resistance and strength, and can be used for a long time. Its rough surface increases the friction, further preventing the outer shell 1 from slipping out of the cigarette lighter interface. In addition, POM material has insulation properties, preventing the card plate 13 from connecting to the circuit and causing short circuit leakage. Furthermore, the power cord body 8 is spiral-shaped. Through the high elasticity of its TPU material outer sheath, the power cord body 8 can be straightened and lengthened during use, and shortened by its own elasticity to restore the spiral shape when not in use, thus avoiding tangling.

[0048] When a short circuit occurs in the vehicle power cord, the fuse 12 melts internally, breaking the circuit and thus providing protection to reduce the occurrence of fire. When the fuse 12 needs to be replaced, the user reverses the control sleeve 15, causing it to move upwards and apply pressure to the clamp 13. Then, the outer casing 1 can be pulled out of the cigarette lighter socket. After pulling it out, the user continues to reverse the control sleeve 15 to separate it from the external threaded sleeve 16. The user also rotates the limiting ring 10 to separate it from the outer casing 1. The user then removes the bolt 9 to stop the outer casing 1 from being locked. Finally, the user splits the outer casing 1 in two, exposing the fuse holder 11 and the fuse 12. At this point, the user can replace the fuse 12. After replacement, the user presses the two halves of the outer casing 1 together and screws them into the bolt 9 for locking. Finally, the user rotates the limiting ring 10 and the control sleeve 15 back to secure both ends of the outer casing 1, thus locking the outer casing 1 and preventing it from separating.

[0049] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. An anti-entanglement vehicle power cord comprising a housing (1) and a power cord body (8), characterized in that: The outer surface of the shell (1) is provided with an outer threaded sleeve (16), and the outer threaded sleeve (16) is sleeved with a control sleeve (15), the upper sides of the two sides of the shell (1) are provided with clamping plates (13) and supporting plates (14).

2. The anti-tangle vehicle power cord of claim 1, wherein: The control sleeve (15) is threadedly connected with the outer threaded sleeve (16), and the control sleeve (15) abuts against the clamping plates (13) and the supporting plates (14), the clamping plates (13) are rotationally connected with the shell (1).

3. The anti-tangle vehicle power cord of claim 2, wherein: The clamping plates (13) and the supporting plates (14) are provided in plurality, and the plurality of clamping plates (13) and the plurality of supporting plates (14) are distributed in annular array.

4. The anti-tangle vehicle power cord of claim 3, wherein: The clamping plates (13), the control sleeve (15) and the outer threaded sleeve (16) are made of POM or ABS material, and the surface of the clamping plate (13) is rough.

5. The anti-tangle vehicle power cord of claim 1, wherein: The outer layer of the power line body (8) is made of TPU material, and the power line body (8) is spiral-shaped.

6. The anti-tangle vehicle power cord of claim 1, wherein: The lower inside of the shell (1) is connected with a spring (3), and the bottom of the spring (3) is connected with a positive terminal (2), the top of the positive terminal (2) penetrates a positive line (4), the upper inside of the shell (1) is installed with a circuit board (7), and the top of the circuit board (7) is installed with a power line body (8), the two sides of the shell (1) penetrate a negative spring sheet (5), and the negative spring sheet (5) is connected with a negative line (6) between the circuit board (7).

7. The anti-tangle vehicle power cord of claim 6, wherein: The cross section of the positive terminal (2) is inverted "few" character-shaped, and the positive terminal (2) is slidingly connected with the shell (1).

8. The anti-tangle vehicle power cord of claim 6, wherein: The inside of the shell (1) is installed with a fuse holder (11), and the inside of the fuse holder (11) is installed with a fuse (12), and the fuse holder (11) is connected with the positive line (4), the fuse holder (11) is connected with the positive input end of the circuit board (7) through a wire.

9. The anti-tangle vehicle power cord of claim 6, wherein: The outer surface of the shell (1) penetrates a bolt (9), the lower sides of the two sides of the shell (1) are connected with limiting rings (10), and the limiting rings (10) are threadedly connected with the shell (1).

10. The anti-tangle vehicle power cord of claim 9, wherein: The outer surface of the shell (1) is detachably connected with the back of the shell (1).

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