Ball contact type single-pull telescopic line

Abstract

The utility model provides a ball contact type single-pull telescopic line. The ball contact type single-pull telescopic line comprises a bottom plate, a surface cover and a rotating disc, a data line is wound and stored in the rotating disc, a clockwork spring used for keeping the recovery performance of a line body is installed in the center of the rotating disc, a circuit board groove is formed in the side, facing the face cover, of the rotating disc, and a connecting plate is fixedly arranged in the circuit board groove; the surface cover is provided with a contact plate used for being electrically connected with the connecting plate. The at least one conductive ball is arranged on the connecting plate; an elastic conducting strip which is used for being electrically contacted with the conducting balls is arranged on one side, facing the connecting plate, of the contact plate; the top of the conductive ball is in rolling contact with the elastic conductive sheet; in practical application, the rolling type conductive balls are electrically connected with the contact plate in a conductive manner, so that when the rotating disc rotates, the friction force of electrical contact can be effectively reduced, and the service life of the product is prolonged.

Description

[TECHNICAL FIELD]

[0001] The utility model relates to charging data line storage box technical field especially relates to a ball contact type single telescopic wire which can effectively reduce friction and avoid damaging PCB. [BACKGROUND]

[0002] Data connection line is a common product in people's daily life, in order to facilitate the storage of wire body, the market appears the telescopic wire box that can automatically retract, one end of data line is generally connected with data connector, such as type-c interface, apple connector and the like, the other end is connected with the line board component in the box body through electrical contact, and the external conductive component is fixed outside the storage box.

[0003] In the prior art telescopic wire box product, the connecting plate and the contact plate for conducting electricity generally adopt the conductive structure of the elastic sheet, which is easy to cause abrasion of the PCB when the connecting plate rotates axially in actual use, and the electrical connection effect will be affected after a long time.

[0004] For example, the utility model patent with the application number CN202322261314.4 and the patent name "double-track double-positioning single-pull data line telescopic wire box" specifically discloses a double-track double-positioning single-pull data line telescopic wire box, which comprises a bottom shell and a top shell, the bottom shell and the top shell are buckled to form a closed cavity, a take-up reel, a data line, a spring, a connecting plate, a contact plate, a contact spring and a guide pin are installed in the cavity, a rotating shaft is arranged on the bottom shell at the middle of the inner side of the cavity, the take-up reel is rotatably installed on the rotating shaft, the top of the rotating shaft is screwed with the top shell, the take-up track and the pay-off track are two elliptical tracks arranged on the same plane and can be switched with each other, the elliptical track has a major axis and a minor axis, the inner side of the take-up track and the pay-off track is provided with a first switching port and a second switching port, and a first positioning port and a second positioning port are arranged at the transition of the major axis and the minor axis of the pay-off track and the take-up track, the utility model has the beneficial effect that the positioning ports are added, so that the pull-out length of the data line is more accurate.

[0005] In the prior art, the contact spring is easy to be damaged by friction, and the conductivity is weak. [UTILITY MODEL CONTENTS]

[0006] The existing problems solved by the present application are:

[0007] In the prior art telescopic wire box product, the connecting plate and the contact plate for conducting electricity generally adopt the conductive structure of the elastic sheet, which is easy to cause abrasion of the PCB when the connecting plate rotates axially in actual use, and the electrical connection effect will be affected after a long time.

[0008] The technical problem of the utility model is solved by the following scheme:

[0009] The utility model provides a kind of single telescopic wire of ball contact type, including bottom plate, face cover and the rotating disc in the part between the bottom plate and the face cover;Data line is wound and stored in the rotating disc, and in the center part of the rotating disc, a clockwork for keeping wire body recycling performance is equipped,

[0010] Rotating disc is opened with circuit board groove on the side of face cover, and connecting plate is fixedly arranged in the circuit board groove;Contact plate for electrically conducting with the connecting plate is equipped on the face cover;The center part of rotating disc is rotatably connected with the bottom plate and the face cover by rotating shaft;

[0011] It further includes at least one conductive ball arranged on the connecting plate;Elastic conductive sheet for electrically contacting with the conductive ball is arranged on the side of contact plate towards the connecting plate;The top of conductive ball is in rolling contact with the elastic conductive sheet;

[0012] One end of the contact plate is also provided with contact plate conductive connector for electrically connecting with external functional components;

[0013] It further includes wiring through hole opened on the rotating disc;The end of data line is electrically connected with the connecting plate through the wiring through hole.

[0014] Preferably, the face cover is opened with contact plate groove matched with the shape of the contact plate;Conductive through hole for conducting the elastic conductive sheet and the conductive ball is opened in the contact plate groove.

[0015] Preferably, the side of the connecting plate is close to the wiring through hole;The wiring through hole is long strip-shaped through hole;The center part of the contact plate is opened with rotating hole for arranging the rotating shaft.

[0016] Preferably, the conductive ball includes ball column welded on the connecting plate and ball body movably arranged on the top of the ball column.

[0017] Preferably, the bottom plate, face cover and the rotating disc are all circular plate structure.

[0018] The technical effects produced by the technical problem solved by the application are as follows:

[0019] Compared with the prior art, the utility model discloses a kind of single telescopic wire of ball contact formula single pull, by simultaneously setting bottom plate 15, face cover 11 And rotating disc 16 in the part between the bottom plate 15 With Face cover 11;Data line 14 is wound and stored in the rotating disc 16, and in the center part of the rotating disc 16, a clockwork for keeping wire body recycling performance is equipped, rotating disc 16 is opened with circuit board groove towards the side of face cover 11, and connecting plate 17 is fixedly arranged in the circuit board groove;Contact plate 12 for electrically conducting with connecting plate 17 is equipped on face cover 11;The center part of rotating disc 16 is rotatably connected with bottom plate 15 And face cover 11 by rotating shaft 13;It further includes at least one conductive ball 171 being arranged on connecting plate 17;Elastic conductive sheet for electrically contacting with conductive ball 171 is provided on the side of contact plate 12 towards connecting plate 17;The top of conductive ball 171 is in rolling contact with elastic conductive sheet;Contact plate 12 one end part is also provided with contact plate conductive connector for electrically connecting with external functional components;It further includes wiring through-hole 161 being opened in rotating disc 16;The end of data line 14 is electrically connected with connecting plate 17 through wiring through-hole 161, in practical application, electrically conducting connection is carried out using rolling conductive ball 171 With contact plate 12, when rotating disc 16 rotates, the friction of electrically contacting can be effectively reduced, and the service life of product is improved. [HIND]

[0020] Figure 1 It is the three-dimensional state structure schematic diagram of the utility model discloses a kind of ball contact formula single telescopic wire.

[0021] Figure 2 It is the explosion state structure schematic diagram of the utility model discloses a kind of ball contact formula single telescopic wire.

[0022] In the drawing:

[0023] Face cover 11;Contact plate 12;Rotating shaft 13;Data line 14;Bottom plate 15;Rotating disc 16;Wiring through-hole 161;Connecting plate 17;Conductive ball 171. [Specific implementation]

[0024] To make the purpose of the utility model, technical scheme and advantage more clear and obvious, the utility model is further explained in detail in the following with the drawings and examples.

[0025] It should be understood that the specific embodiments described herein are only used to explain the utility model, and not used to limit the utility model.

[0026] Based on the embodiments of the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the range of the utility model protection.

[0027] It should be noted that when a component is referred to as being "fixed" to another component, it can be directly on the other component or intervening components can also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components can also be present.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs.

[0029] The terminology used in the specification of the utility model herein is only for the purpose of describing specific embodiments and is not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more of the associated listed items.

[0030] Some embodiments of the utility model will be described in detail below with reference to the accompanying drawings. The following embodiments and features in the embodiments can be combined with each other without conflict.

[0031] Please refer to Figure 1 and Figure 2 The utility model discloses a kind of ball contact type single telescopic line 1, including bottom plate 15, face cover 11 and the rotating disc 16 in the position between the bottom plate 15 and the face cover 11;Data line 14 is wound and stored in the rotating disc 16, and in the center part of the rotating disc 16, a clockwork for keeping the line body recycling performance is equipped,

[0032] The specific structure of the clockwork belongs to the conventional technical means in the art, such as one end is connected with bottom plate 15 or face cover 11, the other end is connected with the rotating disc 16, and the spring recovery performance is maintained when rotating;

[0033] Rotating disc 16 is provided with circuit board groove on the side towards face cover 11, and connecting plate 17 is fixedly arranged in the circuit board groove;Face cover 11 is provided with contact plate 12 for electrically conducting with connecting plate 17;The center part of rotating disc 16 is rotatably connected with bottom plate 15 and face cover 11 through rotating shaft 13;

[0034] It also includes at least one conductive ball 171 arranged on the connecting plate 17;Elastic conductive sheet is arranged on the side of contact plate 12 towards connecting plate 17 for electrically contacting with conductive ball 171;The top of conductive ball 171 is in rolling contact with the elastic conductive sheet;

[0035] The end part of the contact plate 12 is also provided with a contact plate conductive connector for electrical connection with external functional components;

[0036] It also includes a wiring through hole 161 opened on the rotating disc 16; the end of the data line 14 is electrically connected with the connecting plate 17 through the wiring through hole 161.

[0037] The application sets the bottom plate 15, the face cover 11 and the rotating disc 16 between the bottom plate 15 and the face cover 11; the data line 14 is wound and stored in the rotating disc 16, and a clockwork for maintaining the wire recovery performance is arranged at the center part of the rotating disc 16; the rotating disc 16 is provided with a circuit board groove on the side facing the face cover 11, and the connecting plate 17 is fixedly arranged in the circuit board groove; the face cover 11 is provided with the contact plate 12 for electrical conduction with the connecting plate 17; the center part of the rotating disc 16 is rotatably connected with the bottom plate 15 and the face cover 11 through the rotating shaft 13; at least one conductive ball 171 is arranged on the connecting plate 17; the elastic conductive sheet for electrical contact with the conductive ball 171 is arranged on the side of the contact plate 12 facing the connecting plate 17; the top of the conductive ball 171 is in rolling contact with the elastic conductive sheet; the end part of the contact plate 12 is also provided with a contact plate conductive connector for electrical connection with external functional components; it also includes a wiring through hole 161 opened on the rotating disc 16; the end of the data line 14 is electrically connected with the connecting plate 17 through the wiring through hole 161; in actual application, the rolling conductive ball 171 and the contact plate 12 are electrically connected, and when the rotating disc 16 rotates, the friction of electrical contact can be effectively reduced, and the service life of the product is improved.

[0038] The outer end of the clockwork is fixed with the inner wall of the clockwork chamber, and when the data line is pulled out, the clockwork is tightened to generate a reaction force, and under the driving of the reaction force, the data line is retracted.

[0039] In some other embodiments, the face cover 11 is provided with a contact plate groove matched with the shape of the contact plate 12; the conductive through hole for connecting the elastic conductive sheet and the conductive ball 171 is opened in the contact plate groove.

[0040] The contact between the conductive ball 171 and the elastic conductive sheet is rolling contact, the friction is small, and the service life of the product can be better improved.

[0041] The side edge of the connecting plate 17 is close to the wiring through hole 161; the wiring through hole 161 is a long strip-shaped through hole; the center part of the contact plate 12 is provided with a rotating hole for arranging the rotating shaft 13.

[0042] The conductive ball 171 includes a ball column welded on the connecting plate 17 and a ball body movably arranged on the top of the ball column.

[0043] The bottom plate 15, the surface cover 11 and the rotating disc 16 are all circular plate structures.

[0044] The technical effects generated by solving the technical problems of the present application are as follows:

[0045] Compared with the prior art, the ball contact type single telescopic wire 1 of the present application simultaneously sets the bottom plate 15, the surface cover 11 and the rotating disc 16 between the bottom plate 15 and the surface cover 11. The data line 14 is wound and stored in the rotating disc 16, and a clockwork for maintaining the wire body recovery performance is arranged at the center part of the rotating disc 16. The rotating disc 16 is provided with a circuit board groove on the side facing the surface cover 11, and the connecting plate 17 is fixedly arranged in the circuit board groove. The surface cover 11 is provided with the contact plate 12 for electrically conducting with the connecting plate 17. The center part of the rotating disc 16 is rotatably connected with the bottom plate 15 and the surface cover 11 through the rotating shaft 13. At least one conductive ball 171 is arranged on the connecting plate 17. The elastic conductive sheet for electrically contacting with the conductive ball 171 is arranged on the side of the contact plate 12 facing the connecting plate 17. The top of the conductive ball 171 is in rolling contact with the elastic conductive sheet. The contact plate 12 is further provided with the contact plate conductive joint for electrically connecting with the external functional components at one end part. The wire passing hole 161 is arranged on the rotating disc 16. The data line 14 is electrically connected with the connecting plate 17 through the wire passing hole 161. In actual application, the conductive ball 171 and the contact plate 12 are electrically connected through rolling. When the rotating disc 16 rotates, the friction of the electrical contact can be effectively reduced, and the service life of the product is improved.

[0046] The above-mentioned embodiments of the present application do not constitute a limitation on the protection scope of the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A ball-bearing contact type single-pull retractable cable, comprising a base plate, a cover, and a rotating disk located between the base plate and the cover; a data cable is wound and housed in the rotating disk, and a spring for maintaining the cable's retraction performance is installed at the center of the rotating disk, characterized in that: The rotating disk has a circuit board groove on the side facing the cover, and a connecting plate is fixedly installed in the circuit board groove; the cover is provided with a contact plate for electrical connection with the connecting plate; the center of the rotating disk is rotatably connected to the base plate and the cover through a rotating shaft. It also includes at least one conductive ball disposed on the connecting plate; an elastic conductive sheet for electrically contacting the conductive ball is disposed on the side of the contact plate facing the connecting plate; the top of the conductive ball is in rolling contact with the elastic conductive sheet. One end of the contact plate is also provided with a contact plate conductive connector for electrical connection with external functional components. It also includes a wiring through-hole opened on the rotating disk; the end of the data cable is electrically connected to the connection plate through the wiring through-hole.

2. The ball-bearing contact type single-pull telescopic cable as described in claim 1, characterized in that: The faceplate has a contact plate groove that matches the shape of the contact plate; a conductive through hole is formed in the contact plate groove for connecting the elastic conductive sheet and the conductive ball.

3. The ball-bearing contact type single-pull telescopic cable as described in claim 1, characterized in that: The side of the connecting plate is close to the wiring through hole; the wiring through hole is an elongated through hole; the center of the contact plate has a rotating hole for mounting the rotating shaft.

4. A ball-bearing contact type single-pull telescopic cable as described in any one of claims 1 to 3, characterized in that: The conductive ball includes a ball column welded to the connecting plate and a ball body movably disposed on the top of the ball column.

5. The ball-bearing contact type single-pull telescopic cable as described in claim 1, characterized in that: The base plate, the top cover, and the rotating disk are all circular plate structures.

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