CN211700818U - Laminated multi-head telescopic data line - Google Patents

Abstract

The utility model relates to a laminated multi-head telescopic data line, which comprises a shell, wherein the shell is provided with a plurality of accommodating spaces arranged in a laminated manner, and each accommodating space is internally provided with a rotary accommodating mechanism and a reset piece; the laminated multi-head telescopic data line also comprises a conductive piece and a plurality of data branch lines, and each rotary receiving mechanism receives one data branch line; the conductive piece is fixed in the shell, one end of the data branch line is provided with a charging connector exposed out of the shell, and the other end of the data branch line extends into the shell and is electrically connected with the conductive piece; the shell is provided with a power supply connector, and the other end of the shell extends into the shell and is electrically connected with the conductive piece. The utility model provides a range upon range of formula bull flexible data line can accomodate the joint that charges of the same or different shapes respectively, mutually noninterfere when each charges the joint and pulls out, can supply many people to use simultaneously, and can also keep a less volume.

Description

Laminated multi-head telescopic data line

Technical Field

The utility model relates to a cell-phone accessory technical field especially relates to a flexible data line of range upon range of formula bull.

Background

In modern life, many electronic devices such as mobile phones and tablet computers need data lines for data transmission or charging.

The traditional data line is long, is easy to be wound and disordered, and brings inconvenience to use. Therefore, in the prior art, the original lines of the data line are developed into the automatic contraction function by using the tape principle, so that the data line is convenient for a user to carry, and the data line cannot be knotted, broken, occupy space and the like.

Because the existing electronic equipment charging interface has various shapes, the charging connectors of the data lines respectively correspond to various shapes, so that some data lines are designed into a structure integrating charging connectors with various shapes to be convenient for charging various electronic equipment, but most multi-head data lines are all provided with a bus, and the charging connectors formed in different ways are arranged on a plurality of branches at the tail end of the bus, so that when people use one of the connectors, other connectors are pulled out together, and the connectors are inconvenient to use simultaneously due to the fact that the branch lines are short.

SUMMERY OF THE UTILITY MODEL

The utility model provides a flexible data line of range upon range of formula bull can accomodate the joint that charges of the same or different shapes respectively, and mutually noninterfere when each charges the joint and pull out can supply many people to use simultaneously, and can also keep a less volume.

The utility model provides a stacked multi-head telescopic data line, which comprises a shell, wherein the shell is provided with a plurality of accommodating spaces which are stacked, and each accommodating space is internally provided with a rotary accommodating mechanism and a reset piece; the laminated multi-head telescopic data line also comprises a conductive piece and a plurality of data branch lines, and each rotary accommodating mechanism accommodates one data branch line; the conductive piece is fixed in the shell, one end of the data branch line is provided with a charging connector exposed out of the shell, and the other end of the data branch line extends into the shell and is electrically connected with the conductive piece; the laminated multi-head telescopic data line further comprises a data bus, wherein one end of the data bus is provided with a power supply connector exposed out of the shell, and the other end of the data bus extends into the shell and is electrically connected with the conductive piece.

Further, the rotating storage mechanism is used for winding and storing the data branch line, and the reset piece is connected in the rotating storage mechanism and used for driving the rotating storage mechanism to rotate so as to wind and store the data branch line.

Further, the rotary accommodating mechanism comprises a coil, a first side plate and a second side plate, the coil is clamped between the first side plate and the second side plate, and the resetting piece is arranged in a cavity formed by the coil, the first side plate and the second side plate in a surrounding mode.

Furthermore, a first conductive ring and a second conductive ring which are mutually independent are arranged on the first side plate; the conductive piece comprises a first PCB and a first contact group and a second contact group which are arranged on the first PCB, and the first contact group is respectively contacted with the first conductive ring and the second conductive ring on the first side plate to form electric connection; the second set of contacts is electrically connected to the data bus.

Furthermore, a first conductive ring and a second conductive ring which are mutually independent are arranged on the first side plate; the conductive pieces comprise a second PCB and a third contact group, a fourth contact group and a fifth contact group which are arranged on the second PCB, the second PCB is positioned between two adjacent first side plates, the third contact group is arranged on one side surface of the second PCB, the fourth contact group is arranged on the other side surface of the second PCB, and the third contact group is used for being in contact with the first conductive ring and the second conductive ring on one first side plate to form electric connection; the fourth contact set is used for contacting the first conductive ring and the second conductive ring on the other first side plate to form electrical connection; the fifth set of contacts is electrically connected to the data bus.

Furthermore, a first lug is arranged on the first conductive ring, and a second lug is arranged on the second conductive ring; the first side plate is provided with a connecting hole, and one end of the data branch line is fixed on the rotary accommodating mechanism and penetrates through the connecting hole to be electrically connected with the first lug and the second lug respectively.

Furthermore, the stacked multi-head telescopic data line further comprises a plurality of stop mechanisms, wherein one ends of the stop mechanisms are fixed on the shell, and the other ends of the stop mechanisms are detachably abutted with the rotary accommodating mechanisms.

Furthermore, a plurality of first clamping parts are arranged on a second side plate of the rotary accommodating mechanism; stop gear includes button, elastic component and card strip, and the button setting is in the one end of card strip, and the elastic component cover is established on the card strip and one end and button butt, and the other end and the casing butt of elastic component, the one end that the button was kept away from to the card strip are equipped with second block portion, but second block portion and first block portion mutual butt or separation.

Further, the shell comprises a cover plate and a plurality of separation boxes which are arranged in a stacked mode; the partition box comprises a bottom plate and a side wall plate; the bottom plate, the side wall plate and the cover plate of the adjacent separation boxes form a plurality of accommodating spaces.

Furthermore, a first conductive ring and a second conductive ring which are mutually independent are arranged on the first side plate; the conductive piece comprises a first conductive elastic piece and a second conductive elastic piece, one end of the first conductive elastic piece is elastically abutted to the first conductive ring, the other end of the first conductive elastic piece is electrically connected with the data bus, one end of the second conductive elastic piece is elastically abutted to the second conductive ring, and the other end of the second conductive elastic piece is electrically connected with the data bus.

The utility model has the advantages that: the stacked multi-head telescopic data line comprises a shell, wherein the shell is provided with a plurality of stacked accommodating spaces, and a rotary accommodating mechanism and a reset piece are arranged in each accommodating space; the laminated multi-head telescopic data line also comprises a conductive piece connecting plate and a plurality of data branch lines, and each rotary receiving mechanism receives one data branch line; the conductive piece is fixed in the shell, one end of the data branch line is provided with a charging connector exposed out of the shell, and the other end of the data branch line extends into the shell and is electrically connected with the conductive piece. Wherein a plurality of rotation receiving mechanism range upon range of setting and each other do not influence, can be when reducing whole volume for a plurality of data branch lines can be stretched the use respectively, and the joint that charges of data branch line can set to the same or different shapes and accomodate respectively, and each charges when the joint is pulled out mutually noninterfere, can supply many people to use simultaneously.

In order to make the advantages of the present invention clearer, the following will further describe the embodiments of the present invention with reference to the attached drawings.

Drawings

Fig. 1 is a schematic structural diagram of a stacked multi-head retractable data line according to a preferred embodiment of the present invention.

Fig. 2 is a schematic structural view of the outermost storage structure of the stacked multi-head retractable data line according to the preferred embodiment of the present invention with the housing removed.

Fig. 3 is an exploded view of fig. 1.

Fig. 4 is a schematic view of the structure of fig. 3 from another perspective.

Fig. 5 is an exploded view of the components in the receiving structure of the stacked multi-head retractable data line according to the preferred embodiment of the present invention.

Fig. 6 is a schematic view of the structure of fig. 5 from another perspective.

Fig. 7 is a schematic structural view of each of the accommodating structures of the stacked multi-head retractable data line according to the preferred embodiment of the present invention without a housing.

Fig. 8 is a schematic view of the structure of fig. 7 from another perspective.

Fig. 9 is a schematic structural diagram of another embodiment of a conductive member of a stacked multi-head retractable data line according to the present invention.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined purpose, the following detailed description of the embodiments, structures, features and effects of the positioning structure according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

The foregoing and other features, aspects and utilities of the present invention will be apparent from the following more particular description of the preferred embodiments, as illustrated in the accompanying drawings. While the present invention has been described with reference to the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalents and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Referring to fig. 1 to 4, the stacked multi-head retractable data line includes a housing 10, the housing 10 has a plurality of stacked accommodating spaces 10a, and each accommodating space 10a has a rotating receiving mechanism 20 and a restoring element 30 therein. The stacked multi-head telescopic data line further comprises a data bus 40, a conductive member 50 and a plurality of data branch lines 60. Each rotary receiving mechanism 20 receives one data branch line 60. The conductive device 50 is disposed in the housing 10, one end of the data bus 40 is provided with a power interface 41 exposed outside the housing 10, the other end of the data bus extends into the housing 10 and is electrically connected to the conductive device 50, one end of the data branch line 60 is provided with a charging connector 61 exposed outside the housing 10, and the other end of the data branch line extends into the housing 10 and is electrically connected to the conductive device 50.

Specifically, the housing 10 includes a plurality of compartments 11 and a cover plate 12 arranged in a stacked manner; each compartment 11 comprises a bottom plate 111 and side walls 112, the plurality of bottom plates 111 and cover plates 12 being parallel to each other. The side wall plates 112 of the compartments 11 extend from the edge of the bottom plate 111 to a side perpendicular to the bottom plate 111 and form the accommodating space 10a with the bottom plate 111 of the adjacent compartment 11, and the cover plate 12 covers the side wall plates 112 of the outermost compartment 11 and forms the accommodating space 10a with the compartment 11.

The rotary receiving mechanism 20 is used for winding and receiving the data branch line 60, the resetting piece 30 is connected in the rotary receiving mechanism, and the resetting piece 30 is used for driving the rotary receiving mechanism 20 to rotate so as to wind and receive the data branch line 60.

In this embodiment, the rotary accommodating mechanism 20 includes a winding coil 210, a first side plate 220, and a second side plate 230, the winding coil 210 is sandwiched between the first side plate 220 and the second side plate 230, and the restoring member 30 is disposed in a cavity surrounded by the winding coil 210, the first side plate 220, and the second side plate 230.

In the present embodiment, the restoring element 30 is a spiral spring, but not limited thereto. For example, a fixed shaft 13 (as shown in fig. 4) penetrating into the rotary housing mechanism 20 may be provided at the center of the housing 10, a shaft core of the spiral spring is fixedly provided on the fixed shaft 13, the other end away from the shaft core is fixed on the inner wall surface of the rotary housing mechanism 20, one end of the data branch line 60 is fixed on the rotary housing mechanism 20, and the spiral spring stores energy when the rotary housing mechanism 20 is rotated by pulling out the data branch line 60. When the data branch line 60 is released, the spiral spring also releases energy to rotate the rotary receiving mechanism 20 in the opposite direction to wind the data branch line 60 on the winding coil 210 for automatic receiving.

In this embodiment, as shown in fig. 5, a first conductive ring 221 and a second conductive ring 222 that are independent from each other are disposed on the first side plate 220, and the first conductive ring 221 and the second conductive ring 222 are coaxially disposed.

The conductive member 50 is fixedly disposed in the housing 10, the conductive member 50 includes a first contact set 51 and a second contact set 52 disposed on the same surface and electrically connected to each other, and the first contact set 51 is in contact with and electrically connected to the first conductive ring 221 and the second conductive ring 222 on the first side plate 220, respectively. In one embodiment, the first contact set 51 includes two independently disposed contacts, and the second contact set 52 also includes two independently disposed contacts, and the two contacts of the first contact set 51 are electrically connected with the two contacts of the second contact set 52 correspondingly, so that the first contact set 51 and the second contact set 52 are electrically connected. The two contacts of the first contact set 51 are respectively in contact with the first conductive coil 221 and the second conductive coil 222 on the first side plate 220 to form an electrical connection. One end of the data bus 40, which is far away from the power interface 41, is fixed on the housing 10, and the second contact set 52 is electrically connected with the data bus 40 through a conductive wire, so that the first conductive ring 221 and the second conductive ring 222 are electrically connected with the data bus 40 respectively.

The first conductive ring 221 is provided with a first lug 221a, and the second conductive ring 222 is provided with a second lug 222 a; the first side plate 220 is provided with a connection hole 220a, and one end of the data branch line 60 is fixed to the rotary accommodating mechanism 20 and is connected to the first lug 221a and the second lug 222a through two conductive wires penetrating the connection hole 220a, so that the data branch line 60 is electrically connected to the data bus 40.

In this embodiment, the conductive member 50 is a PCB structure, but not limited thereto, and specifically, as shown in fig. 7 and 8, the conductive member 50 includes a first PCB 50c and a second PCB 50 d.

A first contact group 51 and a second contact group 52 are disposed on a surface of the first PCB 50c, the first contact group 51 has two contacts, the second contact group 52 also has two contacts, and the two contacts of the first contact group 51 are electrically connected with the two contacts of the second contact group 52 correspondingly, so that the first contact group 51 and the second contact group 52 are electrically connected.

A second PCB 50d is disposed between two adjacent first side plates 220, that is, between two adjacent rotary receiving mechanisms 20, and a third contact group 53, a fourth contact group 54 and a fifth contact group 55 are disposed on the second PCB 50d, specifically, the third contact group 53 is disposed on one side surface of the second PCB 50d, the fourth contact group 54 is disposed on the other side surface of the second PCB 50d, and the third contact group 53 is configured to contact with the first conductive ring 221 and the second conductive ring 222 on one first side plate 220 to form an electrical connection; the fourth contact set 54 is used for contacting and electrically connecting the first conductive ring 221 and the second conductive ring 222 on the other first side plate 220; namely, the third contact set 53 is used for connecting one rotary accommodating mechanism 20, and the fourth contact set 54 is used for connecting the other rotary accommodating mechanism 20; in the present embodiment, each of the third contact set 53, the fourth contact set 54 and the fifth contact set 55 has two contacts, and the two contacts of the third contact set 53 and the fourth contact set 54 are electrically connected with the two contacts of the fifth contact set 55, respectively, so that the third contact set 53 and the fifth contact set 55 are electrically connected, and the fourth contact set 54 is also electrically connected with the fifth contact set 55.

The rotary receiving mechanisms 20 in each two adjacent accommodating spaces 10a form a group, the first side plates 220 of the two rotary receiving mechanisms 20 in each group are adjacently arranged, and a second PCB 50d is arranged in the middle and connected with the data bus 40; the rotary receiving mechanism 20 in the receiving space 10a not forming a group is connected to the data bus 40 through the first PCB 50 c.

Specifically, the present embodiment schematically illustrates three accommodating spaces 10a, wherein the rotating storage mechanisms 20 in two adjacent accommodating spaces 10a form a group, and two first side plates 220 are disposed adjacent to each other, the second PCB 50d is located between the two rotating storage mechanisms 20, the rotating storage mechanisms 20 in two adjacent accommodating spaces 10a are connected to the data bus 40 through the second PCB 50d, wherein the third contact group 53 and the fourth contact group 54 on the second PCB 50d are respectively connected to the first side plate 220 of the rotating storage mechanism 20 adjacent thereto, that is, the third contact group 53 and the fourth contact group 54 on the second PCB 50d are respectively in contact with the first conductive ring 221 and the second conductive ring 222 on the first side plate 220 on two sides thereof to form an electrical connection. The rotary receiving mechanism 20 in the other single receiving space 10a not forming a group is connected to the data bus 40 through the first PCB 50 c. The vertical thickness of the housing 10 can be further reduced by using the second PCB 50d, and the volume of the stacked multi-head retractable data line can be reduced.

In other embodiments, each of the rotary receiving mechanisms 20 may be connected to the data bus 40 via a first PCB 50 c.

In this embodiment, the charging connector 61 may be configured to have the same shape for multiple uses, or may be configured to have different shapes to correspond to charging interfaces of various TYPEs of electronic devices currently used by multiple users, and the power interface 41 may be a USB interface, a TYPE C interface, or a power plug.

The stacked multi-head retractable data line further includes a plurality of stopper mechanisms 70, one end of each stopper mechanism 70 is fixed to the housing 10, and the other end of each stopper mechanism 70 detachably abuts against the rotary storage mechanism 20.

As shown in fig. 6, the second side plate 230 of the rotary storage mechanism 20 is provided with a plurality of first engaging portions 231; the stopping mechanism 70 includes a button 71, an elastic member 72 and a clamping bar 73, the button 71 is disposed at one end of the clamping bar 73, the elastic member 72 is sleeved on the clamping bar 73, one end of the elastic member is abutted to the button 71, the other end of the elastic member is abutted to the housing 10, one end of the clamping bar 73 away from the button 71 is provided with a second engaging portion 731, and the second engaging portion 731 and the first engaging portion 231 can be abutted to or separated from each other.

The stacked multi-head telescopic data line is generally used in a car or other scenes needing to charge electronic equipment, when the stacked multi-head telescopic data line needs to be used, a power supply is inserted through a power interface 41 of a data bus 40, a rotary accommodating mechanism 20 rotates by pulling a data branch line 60, the data branch line 60 wound on the rotary accommodating mechanism 20 extends to enable the data branch line 60 to be lengthened, when the required length is reached, the pulling is stopped, the rotary accommodating mechanism 20 is fixed through a stop mechanism 70, the pulled data branch line 60 is fixed, a charging connector 61 is inserted into an interface of the electronic equipment such as a mobile phone to charge the electronic equipment such as the mobile phone, meanwhile, a reset piece 30 is deformed under the influence of the rotation of the rotary accommodating mechanism 20, because a first contact group 51 is abutted against a first side plate 220, when the rotary accommodating mechanism 20 rotates, the first contact group 51 slides on a first conductive ring 221 and a second conductive ring 222, are always electrically connected to the first conductive ring 221 and the second conductive ring 222. After the use, the stopper mechanism 70 is pressed down, the second engaging portion 731 is separated from the first engaging portion 231, the reset piece 30 recovers the shape, the rotary receiving mechanism 20 rotates under the action of the reset piece 3 and simultaneously winds the data branch line 60 on the rotary receiving mechanism 2, so as to achieve the function of automatic receiving, preferably, the first contact set 51 and the third contact 53 in combination with the fourth contact set 55 can adopt pogo pin contacts, so that the first conductive ring 221 and the second conductive ring 222 are elastically abutted, and the contact is more stable.

Please refer to fig. 9, which is a schematic view of another embodiment of the stacked multi-head retractable data line of the present invention, different from the above embodiment, the conductive member 50 is a conductive elastic piece, specifically, in this embodiment, the conductive member 50 includes a first conductive elastic piece 50a and a second conductive elastic piece 50b, one end of the first conductive elastic piece 50a is elastically abutted to the first conductive ring 221, the other end of the first conductive elastic piece 50a is electrically connected to the data bus 40, one end of the second conductive elastic piece 50b is elastically abutted to the second conductive ring 222, and the other end of the second conductive elastic piece 50b is electrically connected to the data bus (40), so that the first conductive ring 221 and the second conductive ring 222 are electrically connected to the data bus 40, respectively; in an embodiment, one end of the first conductive elastic piece 50a and one end of the second conductive elastic piece 50b, which are located between two adjacent first side plates 220, that is, between two adjacent rotary receiving mechanisms 20, respectively, include two elastic arms, so that one end of the first conductive elastic piece 50a is elastically abutted to the first conductive rings 221 of the two first side plates 220 through the two elastic arms, and one end of the second conductive elastic piece 50b is elastically abutted to the second conductive rings 222 of the two first side plates 220 through the two elastic arms, thereby effectively reducing the number of conductive elastic pieces and making the structure simpler.

The utility model has the advantages that:

1. the plurality of rotary receiving mechanisms 20 are arranged in a stacked mode and are not mutually influenced, the whole size can be reduced, the plurality of data branch lines 60 can be respectively stretched for use, the charging connectors 61 of the data branch lines 60 can be arranged to be the same or different in shape and are respectively received, the charging connectors 61 do not interfere with each other when pulled out, and the multi-user simultaneous use can be achieved.

2. The conductive member 50 is connected to the first side plate 220 in a stable and good manner, and the problem of poor contact due to long-term use is avoided.

3. The volume of the stacked multi-head retractable data line can be further reduced by the second connecting plate 50 b.

4. The arrangement of the stop mechanism 70 and the second side plate 230 is such that the data branch line 60 is stable and does not retract during use, and the data branch line 60 can be retracted by the stop mechanism 70, which is convenient and fast.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any person skilled in the art can make various changes or modifications to the equivalent embodiments without departing from the scope of the present invention, but all the simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the present invention.

Claims (10)

1. The stacked multi-head telescopic data line is characterized by comprising a shell (10), wherein the shell (10) is provided with a plurality of stacked accommodating spaces (10a), and each accommodating space (10a) is internally provided with a rotating accommodating mechanism (20) and a resetting piece (30); the laminated multi-head telescopic data line further comprises a conductive member (50) and a plurality of data branch lines (60), and each rotary accommodating mechanism (20) accommodates one data branch line (60); the conductive piece (50) is fixed in the shell (10), one end of the data branch line (60) is provided with a charging connector (61) exposed out of the shell (10), and the other end of the data branch line extends into the shell (10) and is electrically connected with the conductive piece (50); the laminated multi-head telescopic data line further comprises a data bus (40), one end of the data bus (40) is provided with a power supply connector (41) exposed out of the shell (10), and the other end of the data bus extends into the shell (10) and is electrically connected with the conductive piece (50).

2. The stacked multi-head retractable data cable as claimed in claim 1, wherein the rotary receiving mechanism (20) is configured to wind and receive the data branch cable (60), and the reset member (30) is connected in the rotary receiving mechanism (20) and configured to drive the rotary receiving mechanism (20) to rotate to wind and receive the data branch cable (60).

3. The stacked multi-head retractable data line of claim 2, wherein the rotary accommodating mechanism (20) comprises a coil (210), a first side plate (220) and a second side plate (230), the coil (210) is sandwiched between the first side plate (220) and the second side plate (230), and the reset member (30) is disposed in a cavity surrounded by the coil (210), the first side plate (220) and the second side plate (230).

4. The stacked multi-head telescopic data line of claim 3, wherein the first side plate (220) is provided with a first conductive ring (221) and a second conductive ring (222) which are independent of each other; the conductive piece (50) comprises a first PCB (50c) and a first contact group (51) and a second contact group (52) which are arranged on the first PCB (50c), wherein the first contact group (51) is respectively contacted with the first conductive ring (221) and the second conductive ring (222) on the first side plate (220) to form electric connection; the second set of contacts (52) is electrically connected to the data bus (40).

5. The stacked multi-head telescopic data line of claim 3, wherein the first side plate (220) is provided with a first conductive ring (221) and a second conductive ring (222) which are independent of each other; the conductive piece (50) comprises a second PCB (50d) and a third contact group (53), a fourth contact group (54) and a fifth contact group (55) which are arranged on the second PCB (50d), the second PCB (50d) is positioned between two adjacent first side plates (220), the third contact group (53) is arranged on one side surface of the second PCB (50d), the fourth contact group (54) is arranged on the other side surface of the second PCB (50d), and the third contact group (53) is used for contacting with the first conductive ring (221) and the second conductive ring (222) on one first side plate (220) to form electric connection; the fourth contact group (54) is used for contacting the first conductive ring (221) and the second conductive ring (222) on the other first side plate (220) to form electrical connection; the fifth set of contacts (55) is electrically connected to the data bus (40).

6. The stacked multi-head telescopic data line according to any one of claims 4 to 5, wherein a first lug (221a) is provided on the first conductive ring (221), and a second lug (222a) is provided on the second conductive ring (222); a connecting hole (220a) is formed in the first side plate (220), and one end of the data branch line (60) is fixed to the rotary accommodating mechanism (20) and penetrates through the connecting hole (220a) to be electrically connected with the first lug (221a) and the second lug (222a) respectively.

7. The stacked multi-head retractable data line according to claim 3, further comprising a plurality of stopper mechanisms (70), wherein one end of the stopper mechanism (70) is fixed on the housing (10) and the other end is detachably abutted against the rotary receiving mechanism (20).

8. The laminated multi-head retractable data line as claimed in claim 7, wherein the second side plate (230) of the rotary accommodating mechanism (20) is provided with a plurality of first engaging portions (231); stop gear (70) are including button (71), elastic component (72) and card strip (73), button (71) set up the one end of card strip (73), elastic component (72) cover is established card strip (73) are gone up and one end with button (71) butt, the other end of elastic component (72) with casing (10) butt, card strip (73) are kept away from the one end of button (71) is equipped with second block portion (731), second block portion (731) with first block portion (231) can butt each other or separate.

9. The laminated multi-head telescopic data line according to claim 1, wherein the housing (10) comprises a cover plate (12) and a plurality of compartments (11) arranged in a laminated manner; the partition box (11) comprises a bottom plate (111) and side wall plates (112); the bottom plate (111) and the side coamings (112) adjacent to the box and the cover plate (12) form a plurality of accommodating spaces (10 a).

10. The stacked multi-head telescopic data line of claim 3, wherein the first side plate (220) is provided with a first conductive ring (221) and a second conductive ring (222) which are independent of each other; the conductive piece (50) comprises a first conductive elastic piece (50a) and a second conductive elastic piece (50b), one end of the first conductive elastic piece (50a) is elastically abutted to the first conductive ring (221), the other end of the first conductive elastic piece (50a) is electrically connected with the data bus (40), one end of the second conductive elastic piece (50b) is elastically abutted to the second conductive ring (222), and the other end of the second conductive elastic piece (50b) is electrically connected with the data bus (40).

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