Telescopic line with positioning function

Abstract

The utility model discloses a telescopic line with a positioning function, comprising a housing, one end in the housing is provided with a circuit board, and the other end in the housing is provided with a torsion spring; rotating shafts are arranged at the two ends of the telescopic wire coil, the rotating shaft at one end of the telescopic wire coil is connected with the torsional spring, and the rotating shaft at the other end of the telescopic wire coil penetrates through the circuit board and is rotationally connected with the shell; a positioning seat is arranged at the rotating shaft at the other end of the telescopic wire coil; and the positioning structure is fixed on the shell, and the positioning structure penetrates through the circuit board and corresponds to the position of the positioning seat on the telescopic wire coil. According to the utility model, the positioning structure is arranged close to the middle position of the shell, so that the distance between the positioning grooves is reduced, the positioning distance is reduced, and the data line can be positioned in each extremely small unit after being pulled out.

Description

Technical Field

[0001] The utility model relates to a telescopic wire, in particular to a telescopic wire with a positioning function. Background Art

[0002] In the era of rapid development of modern science and technology, people are becoming more and more dependent on electronic products. As an important accessory for connecting electronic products, the frequency of use of data cables has also increased accordingly.

[0003] Most of the existing telescopic cables have a positioning function. When the positioning structure is mostly set on the outside of the telescopic cable, the structural space is large, the arc length passed by the telescopic cable drum when stretched is large, and the distance span of the data cable pulled out is long, making it impossible for the telescopic cable drum to achieve positioning at a shorter distance. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a telescopic cable with a positioning function, which solves the problem that the arc length of the telescopic cable drum when stretched is large and the distance span of the data cable pulled out is long, making it impossible for the telescopic cable drum to achieve positioning at a shorter distance.

[0005] The telescopic line with positioning function of the utility model is realized by the following technical solutions, including:

[0006] A housing, wherein a circuit board is disposed at one end of the housing and a torsion spring is installed at the other end of the housing;

[0007] A retractable cable drum, wherein both ends of the retractable cable drum are provided with a rotating shaft, and the rotating shaft at one end of the retractable cable drum is connected to the torsion spring, and the rotating shaft at the other end of the retractable cable drum passes through the circuit board and is rotatably connected to the housing; a positioning seat is provided at the rotating shaft at the other end of the retractable cable drum;

[0008] The positioning structure is fixed on the housing, passes through the circuit board and corresponds to the position of the positioning seat on the telescopic cable drum.

[0009] As a preferred technical solution, the housing includes an upper housing and a lower housing, the upper housing and the lower housing are spliced ​​with each other, and a wire outlet groove is provided in the center of the splicing place;

[0010] The circuit board and the positioning structure are both installed on the lower housing, and the positioning structure passes through the circuit board and is connected to the positioning seat;

[0011] The torsion spring is arranged on the upper shell, and one end of the torsion spring is connected to the upper shell; the rotating shaft at one end of the telescopic wire drum passes through the circuit board and is rotatably connected to the lower shell, and the rotating shaft at the other end of the telescopic wire drum is connected to the central end of the torsion spring, and the telescopic wire drum is driven to rotate by the torsion spring.

[0012] As a preferred technical solution, the positioning structure includes a swing arm, a limit turntable and a positioning shaft;

[0013] The positioning shaft is arranged on the lower shell, and the swing arm is rotatably arranged on the positioning shaft; a turntable groove is arranged on the lower shell, and the limit turntable is rotatably arranged in the turntable groove; a shift block is arranged on the swing arm, and the position of the shift block corresponds to the position of the rotation groove of the limit turntable.

[0014] As a preferred technical solution, a first magnet is provided at the tail end of the swing arm, and a second magnet corresponding to the first magnet is provided on the lower shell. Under the action of the first magnet and the second magnet, the swing arm has the function of resetting after deflection.

[0015] As a preferred technical solution, an oblique angle is provided on the shift block, and a corresponding oblique angle is provided at the rotating groove, so that it is limited when it rotates in the opposite direction; the positioning end of the swing arm is inserted into the positioning groove of the positioning seat, thereby realizing the positioning of the telescopic cable drum.

[0016] As a preferred technical solution, a connection mainboard is provided on the retractable cable drum, and the connection mainboard is rotatably connected to the circuit board; a data cable is wound around the retractable cable drum, and the connection mainboard is connected to the data cable.

[0017] The beneficial effects of the utility model are:

[0018] The utility model can ensure that the data cable can be positioned after being pulled out when the telescopic cable is extended and retracted by setting the positioning function, thereby avoiding the situation that the data cable is twisted or misplaced, and facilitating use by users.

[0019] 2. The utility model arranges the positioning structure in the middle of the shell to reduce the distance between the positioning grooves and the positioning distance, so that the data line can be positioned in each very small unit after being pulled out, thereby solving the problem of large structural space occupation and long distance span of the data line being pulled out caused by arranging the positioning structure on one side in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0023] Figure 3 and Figure 4 This is a schematic diagram of the positioning structure of the utility model;

[0024] Figure 5 This is a schematic diagram of the magnetic attraction structure of the utility model;

[0025] Figure 6 It is a partial exploded view of the utility model;

[0026] 1. Telescopic cable drum; 2. Circuit board; 3. Torsion spring; 4. Torsion spring; 5. Positioning seat; 6. Upper shell; 7. Lower shell; 8. Swing arm; 9. Limiting turntable; 10. Positioning shaft; 11. Turntable slot; 12. Shift block; 13. Data cable; 14. Positioning end; 15. Positioning slot; 16. Second magnet; 17. Connect to main board; 18. First magnet. DETAILED DESCRIPTION

[0027] All features disclosed in this specification, or steps in all methods or processes disclosed, except mutually exclusive features and / or steps, can be combined in any manner.

[0028] like Figure 1 — Figure 2 , Figure 6 As shown, the utility model is a telescopic line with a positioning function, comprising:

[0029] A housing, wherein a circuit board 2 is disposed at one end of the housing and a torsion spring 4 is installed at the other end of the housing;

[0030] A retractable cable drum 1, wherein both ends of the retractable cable drum 1 are provided with a rotating shaft, and the rotating shaft at one end of the retractable cable drum 1 is connected to the torsion spring 4, and the rotating shaft at the other end of the retractable cable drum 1 passes through the circuit board 2 and is rotatably connected to the housing; a positioning seat 5 is provided at the rotating shaft at the other end of the retractable cable drum 1;

[0031] The positioning structure is fixed on the housing, and the positioning structure passes through the circuit board 2 and corresponds to the position of the positioning seat 5 on the telescopic cable drum 1; by arranging the positioning structure in the middle position of the housing to reduce the distance between the positioning grooves, the positioning is more convenient.

[0032] The housing includes an upper housing 6 and a lower housing 7. The upper housing 6 and the lower housing 7 are mutually buckled and spliced, and a wire outlet slot is provided at the center of the splicing portion. The data cable passes through the wire outlet slot, and the end of the data cable is stuck in the position of the wire outlet slot, so that the data cable is fixed;

[0033] The circuit board 2 and the positioning structure are both mounted on the lower housing 7, and the positioning structure passes through the circuit board 2 and is connected to the positioning seat 5;

[0034] The torsion spring 4 is arranged on the upper shell 6, and one end of the torsion spring 4 is connected to the upper shell 6; the rotating shaft at one end of the telescopic cable drum 1 passes through the circuit board 2 and is rotatably connected to the lower shell 7, and the rotating shaft at the other end of the telescopic cable drum 1 is connected to the center end of the torsion spring 4. The telescopic cable drum 1 is driven to rotate by the torsion spring 4, thereby realizing the contraction of the data cable.

[0035] like Figure 3-Figure 4 As shown, the positioning structure includes a swing arm 8, a limit turntable 9 and a positioning shaft 10;

[0036] The positioning shaft 10 is arranged on the lower shell 7, and the swing arm 8 is rotatably arranged on the positioning shaft 10; a turntable groove 11 is arranged on the lower shell 7, and the limit turntable 9 is rotatably arranged in the turntable groove 11; a shift block 12 is arranged on the swing arm 8, and the position of the shift block 12 corresponds to the position of the rotation groove of the limit turntable 9, and the rotation limit of the limit turntable is realized by the shift block;

[0037] like Figure 5 As shown, a first magnet 18 is provided at the tail end of the swing arm 8, and a second magnet 16 corresponding to the first magnet 18 is provided on the lower shell. The opposing surfaces of the first magnet and the second magnet are opposite surfaces and have the function of magnetic attraction. Under the action of the first magnet 18 and the second magnet 16, the swing arm has the function of resetting after deflection.

[0038] Among them, an oblique angle is set on the shift block 12, and a corresponding oblique angle is set at the rotating groove; the positioning end 14 of the swing arm 8 is inserted into the positioning groove 15 set in the positioning seat 5, so as to realize the precise positioning of the telescopic cable drum 1, and then realize the positioning of the telescopic cable drum in a very small unit.

[0039] In addition, a connecting mainboard 17 is provided on the retractable cable drum 1, and the connecting mainboard 17 is rotatably connected to the circuit board 2; a data cable 13 is wound around the retractable cable drum 1, and the connecting mainboard 17 is connected to the data cable 13.

[0040] Here’s how it works:

[0041] When the utility model is in use, the data line is pulled out, thereby driving the telescopic cable drum to rotate; when the telescopic cable drum rotates a certain angle, the positioning end of the positioning structure is inserted into the positioning groove of the positioning seat, thereby realizing that the telescopic cable drum can be positioned in a very small unit; when it is necessary to retract, the positioning end of the positioning structure is disengaged from the positioning groove by pulling the data line, and the telescopic cable drum retracts under the action of the torsion spring, so that the data line is retracted into the telescopic cable drum.

[0042] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.

Claims

1. A telescopic line with positioning function, characterized in that: include: A housing, wherein a circuit board (2) is disposed at one end of the housing and a torsion spring (4) is installed at the other end of the housing; A retractable cable drum (1), wherein both ends of the retractable cable drum (1) are provided with a rotating shaft, and the rotating shaft at one end of the retractable cable drum (1) is connected to a torsion spring (4), and the rotating shaft at the other end of the retractable cable drum (1) passes through a circuit board (2) and is rotatably connected to a housing; a positioning seat (5) is provided at the rotating shaft at the other end of the retractable cable drum (1); A positioning structure, wherein the positioning structure is fixed on the housing, and the positioning structure passes through the circuit board (2) and corresponds to the position of the positioning seat (5) on the telescopic cable drum (1); The housing comprises an upper housing (6) and a lower housing (7), the upper housing (6) and the lower housing (7) are spliced ​​to each other, and a wire outlet groove is provided at the center of the splicing point; The circuit board (2) and the positioning structure are both mounted on the lower housing (7), and the positioning structure passes through the circuit board (2) and is connected to the positioning seat (5); The torsion spring (4) is arranged on the upper shell (6), and one end of the torsion spring (4) is connected to the upper shell (6); the rotating shaft at one end of the telescopic wire drum (1) passes through the circuit board (2) and is rotatably connected to the lower shell (7), and the rotating shaft at the other end of the telescopic wire drum (1) is connected to the central end of the torsion spring (4); The positioning structure comprises a swing arm (8), a limit rotating disk (9) and a positioning rotating shaft (10); The positioning shaft (10) is arranged on the lower shell (7), and the swing arm (8) is rotatably arranged on the positioning shaft (10); a turntable groove (11) is arranged on the lower shell (7), and the limit turntable (9) is rotatably arranged in the turntable groove (11); a shifting block (12) is arranged on the swing arm (8), and the position of the shifting block (12) corresponds to the position of the rotation groove of the limit turntable (9); A first magnet is arranged at the tail end of the swing arm (8), and a second magnet (16) corresponding to the first magnet is arranged on the lower shell. Under the action of the first magnet and the second magnet (16), the swing arm (8) has a reset function after deflection. The shift block (12) is provided with an oblique angle, and the rotating groove is provided with an oblique angle corresponding thereto; the positioning end (14) of the swing arm (8) is inserted into the positioning groove (15) provided in the positioning seat (5).

2. The retractable wire with positioning function according to claim 1, characterized in that: The retractable cable drum (1) is provided with a connecting mainboard (17), and the connecting mainboard (17) is rotatably connected to the circuit board (2); a data cable (13) is wound around the retractable cable drum (1), and the connecting mainboard (17) is connected to the data cable (13).

Images