Concentrator assembly

Abstract

The utility model provides a concentrator assembly, the concentrator assembly comprises: a housing, a wheel core, a data line, a coil spring, a positioning track and a positioning member, the housing is internally provided with an accommodating cavity, the wheel core is arranged in the accommodating cavity, the wheel core comprises a placing groove and a first end face, the data line is at least partially wound on the wheel core, the coil spring is arranged in the placing groove, and the coil spring is arranged in the placing groove. The coil spring is placed in the placing groove and is connected with the data line to drive the data line to retract, the positioning track is arranged around the circumference of the placing groove, and the positioning piece is connected with the positioning track and moves along the positioning track along with the movement of the data line. The positioning piece can abut against the edge of the positioning track so as to limit the position of the data line.

Description

Technical Field

[0001] The embodiments of the utility model relate to the field of hubs, and more specifically, to a hub component. Background Art

[0002] A hub is a common network device in computer networks, also known as a hub. Its function is to connect multiple nodes in a local area network through physical media to build a network environment with a shared communication channel. The related hubs have unstable signal transmission, exposed wires, and difficult to adjust length, resulting in poor user experience during use. Utility Model Content

[0003] In view of this, the utility model provides a hub assembly to solve the technical problem of how to adjust the length of the hub data line.

[0004] The technical solution of the utility model is achieved in this way:

[0005] The utility model provides a hub assembly, comprising: a shell having an accommodating cavity inside; a wheel core arranged in the accommodating cavity, the wheel core comprising a placement groove and a first end face; a data line at least partially wound around the wheel core; a coil spring placed in the placement groove and connected to the data line to drive the data line to retract; a positioning track circumferentially arranged around the placement groove; a positioning member connected to the positioning track and moving along the positioning track with the movement of the data line; wherein the positioning member can abut against the edge of the positioning track to limit the position of the data line.

[0006] In some embodiments, the positioning track includes: an inner ring track; an outer ring track, which is arranged radially outside the inner ring track and does not intersect with the inner ring track, and the circumferential tangent direction is perpendicular to the radial direction; and a connecting track, which is connected between the inner ring track and the outer ring track.

[0007] In some embodiments, a first protrusion and a second protrusion are arranged between the inner ring track and the outer ring track, and the first protrusion and the second protrusion are separated by the connecting track in the circumferential direction; wherein a gear groove is formed at one end of the second protrusion in the circumferential direction, for the positioning member to be inserted into the gear groove and abut against the edge of the gear groove to limit the position of the data line.

[0008] In some embodiments, the other end of the second protrusion in the circumferential direction forms an arc surface protruding toward the outer ring track.

[0009] In some embodiments, the positioning member includes: a circular ring member, arranged around the through hole to be rotatably connected to the shell or the wheel core through the through hole; and a first columnar member, protruding from the circular ring member to the positioning track to move along the positioning track.

[0010] In some embodiments, the positioning member includes: a rod-shaped member, which has a hole at one end in the length direction so as to be swingably connected to the shell or the wheel core; a second column-shaped member, which protrudes from the rod-shaped member toward the positioning track, and the second column-shaped member is spaced apart from the hole in the length direction; wherein the second column-shaped member moves along the positioning track.

[0011] In some embodiments, a protrusion is provided at one end of the rod-shaped member away from the hole, and the protrusion protrudes from the rod-shaped member toward a side away from the positioning track.

[0012] In some embodiments, the data cable includes a first portion wrapped around the wheel core and a second portion not wrapped around the wheel core, the first portion includes a length extending through the first end of the shell and extending out of the shell that is adjustable, and the second portion includes a length extending through the second end of the shell and extending out of the shell that is fixed.

[0013] In some embodiments, the housing includes a top wall and a side wall, the side wall is arranged on one side of the top wall around an edge of the top wall, and the first end and the second end of the data line extend from the side wall and the top wall respectively.

[0014] In some embodiments, the hub assembly further includes a fixing member, the fixing member is disposed in the placement slot, the coil spring wraps around the fixing member, and one end of the data cable is connected to the fixing member.

[0015] In some embodiments, the positioning member is arranged on the inner surface of the shell facing the first end surface and is connected to the shell; the positioning track is arranged on the first end surface; or, the positioning member is arranged on the first end surface and connected to the first end, and the positioning track is arranged on the inner surface of the shell facing the first end surface.

[0016] The utility model provides a hub assembly, the hub assembly includes: a shell, a wheel core, a data line, a coil spring, a positioning member and a positioning track, wherein the shell has a receiving cavity inside, the wheel core is arranged in the receiving cavity, the wheel core includes a placement groove and a first end face, the data line is at least partially wound on the wheel core, the coil spring is placed in the placement groove, connected to the data line to drive the data line to retract, the positioning track is arranged around the placement groove, the positioning member is connected to the positioning track, and moves along the positioning track with the movement of the data line. Wherein, the positioning member can abut against the edge of the positioning track to limit the position of the data line. The embodiment of the utility model arranges the wheel core in the shell of the hub assembly, and the positioning member and the positioning track are respectively arranged on the wheel core and the shell, and the positioning member is slidably connected to the positioning track, so that the positioning member can move along the positioning track with the rotation of the wheel core to control the length of the data line extending out of the shell. The hub assembly in the embodiment of the utility model allows users to adjust the length of the data line according to their own use needs, improves the convenience of users when using, and improves the user's use experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the assembly of the hub assembly of the embodiment of the utility model;

[0018] Figure 2 A cross-sectional schematic diagram of a hub assembly according to an embodiment of the utility model;

[0019] Figure 3 This is a schematic diagram of the first end surface structure of the wheel core of an embodiment of the utility model;

[0020] Figure 4 This is a schematic diagram of the first positioning member structure of an embodiment of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the first positioning member and the wheel core in the embodiment of the utility model;

[0022] Figure 6 This is a schematic diagram of the trajectory of stretching the data cable to make the protrusion enter the gear slot in the embodiment of the utility model;

[0023] Figure 7 This is a schematic diagram of the motion trajectory of the protrusion along the positioning track when the data line is continuously stretched according to the embodiment of the utility model;

[0024] Figure 8 This is a schematic diagram of the motion trajectory of the protrusion along the positioning track when the data cable is retracted in the embodiment of the utility model;

[0025] Fig. 9 This is a schematic diagram of the structure of the second positioning member in the embodiment of the utility model;

[0026] Fig.10 This is a schematic diagram of the structure of the second positioning member and the wheel core in the embodiment of the utility model;

[0027] Fig.11 It is a schematic structural diagram of a hub assembly according to an embodiment of the utility model.

[0028] Description of reference numerals:

[0029] 1. Hub assembly; 11. Shell; 12. Wheel core; 121. Placement groove; 122. First end face; 123. Positioning track; 1231. Inner ring track; 1232. Outer ring track; 1233. Connecting track; 1234. First protrusion; 1235. Second protrusion; 1236. Positioning slot; 1237. Pushing part; 13. Data cable; 131. First end; 132. Second end; 133. First part; 134. Second part; 135. Connector; 14. Coil spring; 15. Fixing member; 16. Positioning member; 161. Circular ring member; 162. Through hole; 163. First columnar member; 164. Rod-shaped member; 165. Opening; 166. Second columnar member; 167. Protrusion; 111. Accommodating cavity; 112. Top wall; 113. Side wall; 114. Inner surface. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0031] The various specific technical features described in the specific embodiments can be combined in any suitable manner without contradiction, for example, different embodiments and technical solutions can be formed by combining different specific technical features. In order to avoid unnecessary repetition, the various possible combinations of the specific technical features in the utility model will not be described separately.

[0032] In the following description, the terms "first\second\..." are only used to distinguish different objects, and do not mean that the objects have the same or related points. It should be understood that the directions "above", "below", "outside" and "inside" are all directions in normal use, and the directions "left" and "right" refer to the left and right directions shown in the corresponding schematic diagrams, which may or may not be the left and right directions in normal use.

[0033] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "includes a ..." does not exclude the presence of other identical elements in the process, method, article or device that includes the element. "Multiple" means greater than or equal to two

[0034] The embodiment of the utility model provides a hub assembly, which is called an assembly because it includes multiple components.

[0035] The relevant hub is a multi-port repeater. The hub can connect data cables to form a hub component. One end of the data cable extends outside the hub, and the length of the data cable is fixed and cannot be adjusted. It is difficult for users to adjust the length of the data cable according to their own needs during use. At the same time, the data cable may get tangled or knotted, which is not conducive to storage and affects the user's experience.

[0036] like Figure 1 As shown, the hub assembly 1 provided by the embodiment of the utility model includes: a housing 11, a wheel core 12, a data line 13 and a coil spring 14, a positioning track 123 and a positioning member 16, as shown in FIG. Figure 2 As shown, the housing 11 has a receiving cavity 111 inside, and the wheel core 12 is arranged in the receiving cavity 111. Figure 3 As shown, the wheel core 12 includes a placement groove 121 and a first end face 122; the data line 13 is at least partially wound on the wheel core 12, the coil spring 14 is placed in the placement groove 121, connected to the data line 13 to drive the data line 13 to retract, and the positioning track 123 is circumferentially arranged around the placement groove 123; the positioning member 16 is slidably connected to the positioning track 123, and moves along the positioning track 123 as the data line 13 moves. It can be understood that a part of the data line 13 is wound on the wheel core 12, and is arranged in the housing 11 together with the wheel core 12, and the coil spring 14 is placed in the placement groove 121 in the wheel core 12. When the data line 13 is pulled out of the housing 11 for a certain length, the coil spring 14 can drive the data line 13 to retract into the housing 11. Among them, the positioning member 16 can abut against the edge of the positioning track 123 to limit the position of the data line 13. That is, the positioning member 16 is slidably connected to the positioning track 123. When the wheel core 12 rotates with the extension and contraction of the data line 13, the positioning member 16 can move along the positioning track 123. During the movement, the positioning member 16 can abut against the edge of the positioning track 123 to limit the rotation of the wheel core 12, thereby controlling the stretched length of the data line 13. Figure 3As shown, the positioning track 123 is circumferentially arranged on the outside of the placement groove 121 around the central axis Z of the wheel core 12. It should be noted that the circumferential arrangement means that the positioning track 123 is arranged around the placement groove 121 for a full circle (360 degrees), and the circumference is not necessarily circular, as long as it is around a full circle.

[0037] When the data cable 13 is pulled out of the housing under the action of external force, the wheel core 12 can be driven to rotate in the forward direction. At this time, the coil spring 14 arranged on the wheel core 12 is deformed and has a certain deformation force. When the external force is removed, the coil spring 14 recovers its deformation and drives the wheel core to rotate in the reverse direction under the action of the deformation force, so that the data cable 13 can be automatically retracted. In the process of pulling out and retracting, the positioning member 16 can move along the positioning track 123 as the wheel core 12 rotates. When the positioning member 16 abuts against the edge of the positioning track 123, the rotation of the wheel core 12 can be limited, thereby controlling the length of the data cable 13 to be retracted.

[0038] The hub assembly in the embodiment of the utility model allows the user to adjust the length of the data line according to his / her own usage requirements, thereby improving the convenience of the user during use and improving the user's usage experience.

[0039] In some embodiments, Figure 3 As shown, the positioning track 123 includes: an inner ring track 1231, an outer ring track 1232 and a connecting track 1233, wherein the outer ring track 1232 is arranged radially outside the inner ring track 1231 and does not intersect with the inner ring track 1231, and the tangent direction of the circumferential direction is perpendicular to the radial direction; the connecting track 1233 is connected between the inner ring track 1231 and the outer ring track 1232. It can be understood that the positioning track 123 is composed of the inner ring track 1231, the outer ring track 1232 and the connecting track 1233, and the inner ring track 1231 and the outer ring track 1232 are connected together through the connecting track 1233.

[0040] Among them, when the data line 13 is stretched outward, the positioning member 16 moves along the outer ring track 1232 of the positioning track 123, and when the data line 13 is retracted, the positioning member 16 moves along the inner ring track of the positioning track 123. When the data line is switched between stretching and retracting states, the positioning member 16 can switch the moving track along the connecting track 1233 to realize the stretching and retracting functions.

[0041] The embodiment of the utility model divides the positioning track into an inner ring track, an outer ring track and a connecting track. The data cable can move along different tracks in the stretched and retracted states and can switch smoothly, thereby avoiding the mutual influence of the stretching and retracting functions, ensuring the smooth implementation of the telescopic function, and improving product performance.

[0042] In some embodiments, Figure 3As shown, a first protrusion 1234 and a second protrusion 1235 are provided between the inner ring track 1231 and the outer ring track 1232, and the first protrusion 1234 and the second protrusion 1235 are separated by a connecting track 1233 in the circumferential direction. It can be understood that the first protrusion 1234 and the second protrusion 1235 separate the positioning track 123 to form the inner ring track 1231 and the outer ring track 1232, and a connecting track 1233 is provided between the first protrusion 1234 and the second protrusion 1235, and the inner ring track 1231 and the outer ring track 1232 are connected through the connecting track 1233. Among them, a gear slot 1236 is formed at one end of the second protrusion 1235 in the circumferential direction, and the positioning member 16 is used to snap into the gear slot 1236 and abut against the edge of the gear slot 1236 to define the position of the data line 13. It can be understood that a shifting groove 1236 is provided at the edge of the connecting track 1233 , and when the positioning member 16 passes through the connecting track 1233 , the positioning member 16 can abut against the shifting groove 1236 to control the extension and retraction length of the data line.

[0043] Among them, when the data cable 13 is converted from a stretched state to a retracted state, the positioning member 16 can enter the inner ring track along the connecting track 1233 from the outer ring track 1232. At this time, if it passes through the gear slot 1236, the positioning member 16 can abut against the gear slot 1236 to limit the rotation of the wheel core 12, thereby controlling the stretched length of the data cable 13.

[0044] The embodiment of the utility model separates the inner ring track from the outer ring track by using the first protrusion and the second protrusion, so that the positioning member can move accurately along the positioning track without the problem of misalignment between the positioning member and the track. At the same time, a gear slot is set at one end of the second protrusion, and when the data cable is stretched to a certain length, the stretched length can be positioned, which is convenient for users to use and improves the user experience.

[0045] In some embodiments, Figure 3 As shown, the other end of the second protrusion 1235 in the circumferential direction forms an arc surface protruding toward the outer ring track 1232. In other words, the connecting track 1233 is an arc track protruding toward the outer ring track, and the connecting track 1233 is smoothly connected to the outer ring track 1232.

[0046] When the positioning member 16 moves from the inner ring track to the outer ring track 1232, the positioning member 16 will pass through the connecting track 1233 set on the arc surface side of the second protrusion 1235. At this time, under the action of the arc surface, the positioning member 16 can smoothly enter the outer ring track 1232, thereby realizing track switching.

[0047] The embodiment of the utility model sets one end of the second protrusion as an arc surface, so that the connecting track can be smoothly connected to the outer ring track, and the positioning member will not get stuck when switching between the inner ring track and the outer ring track, thereby improving the user's feel when stretching the data cable and optimizing product performance.

[0048] In some embodiments, Figure 4 and Figure 5 As shown, the positioning member 16 includes: a circular ring member 161, a through hole 162 and a first columnar member 163, wherein the circular ring member is arranged around the through hole 162 to be rotatably connected to the shell 11 or the wheel core 12 through the through hole 162, and the first columnar member 163 protrudes from the circular ring member 161 to the positioning track 123 to move along the positioning track 123. It can be understood that the shape of the positioning member 16 can be annular, and the annular positioning member 16 can be rotatably mounted on the shell 11 or the wheel core 12 through the through hole 162 on the annular member 161. The first columnar member 163 is arranged on the side of the annular member 161 close to the positioning track 123 and extends in the direction close to the positioning track 123. The first columnar member 163 is slidingly connected to the positioning track 123. When the wheel core 12 rotates, the annular positioning member 16 rotates around the axis of the through hole 162. At this time, the first columnar member 163 can move along the positioning track 123 and abut against the gear slot 1236 to fix the stretched length of the data cable 13.

[0049] The following takes a circular ring-shaped positioning piece as an example to explain the working principle of the positioning piece:

[0050] When the data line 13 is stretched outward from the housing 11 under the action of external force, the wheel core 12 rotates in the positive direction, and the positioning member 16 moves along the outer ring track 1232 ( Figure 6 When the first columnar member 163 moves to pass through the gear slot 1236, the external force is removed, and the coil spring 14 inside the wheel core 12 drives the wheel core 12 to rotate in the opposite direction. The first columnar member 163 falls into the gear slot 1236 along the outer ring track 1232, restricting the wheel core 12 from continuing to rotate in the opposite direction, thereby fixing the length of the pulled-out data cable 13; Figure 7 As shown in FIG. 1 , after the gear position is fixed, if the data line 13 is continuously stretched outward, the first columnar member 163 will move along the gear position slot 1236 to the inner ring track 1231, and continue to rotate forward along the inner ring track 1231. When passing through the pushing portion 1237, the first columnar member 163 is pushed into the outer ring track 1232, and then the above movement is repeated; Figure 8 As shown, when the gear position is fixed, if only the first columnar member 163 is pulled from the gear position slot 1236 into the inner ring track 1231, and then the pulling force is removed, the wheel core 12 rotates in the negative direction, and the first columnar member 163 moves along the inner ring track 1231 ( Figure 8 ), until the data line 13 is completely retracted.

[0051] In some embodiments, Fig. 9 and Fig.10 As shown, the positioning member 16 includes: a rod-shaped member 164, an opening 165 and a second column-shaped member 166, wherein the opening 165 at one end of the rod-shaped member 164 in the length direction is swingably connected to the shell 11 or the wheel core 12, and the second column-shaped member 166 protrudes from the rod-shaped member 164 toward the positioning track 123, and the second column-shaped member 166 is spaced apart from the opening 165 in the length direction (X direction), wherein the second column-shaped member 166 moves along the positioning track 123. It can be understood that the shape of the positioning member 16 can be rod-shaped, and the rod-shaped positioning member 16 can be rotatably mounted on the shell 11 or the wheel core 12 through the opening 165 at one end of the rod-shaped member 164. The second columnar member 166 is spaced apart from the opening 165 in the length direction of the rod-shaped member 164 and protrudes in the direction close to the positioning track 123. The second columnar member 166 is slidingly connected to the positioning track 123. When the wheel core 12 rotates, the rod-shaped positioning member 16 swings around the axis of the opening 165. At this time, the second columnar member 166 can move along the positioning track 123.

[0052] The second columnar member 166 and the first columnar member 163 move along the positioning track 123 in the same manner, which will not be described in detail herein.

[0053] The embodiment of the present invention provides two positioning members with different structures to fix the telescopic length of the data line, thereby improving the interchangeability of the hub assembly, facilitating later maintenance and replacement of parts, and helping to reduce production costs.

[0054] In some embodiments, Fig. 9 As shown, a protrusion 167 is provided at one end of the rod-shaped member 164 away from the hole 165 , and the protrusion 167 protrudes from the rod-shaped member 164 toward a side away from the positioning track 123 .

[0055] It can be understood that the protrusion 167 is disposed on the other end of the rod-shaped member 164 away from the hole 165 and faces away from the positioning track 123. When the rod-shaped positioning member 16 is mounted on the wheel core 12 or the housing 11, during the swinging process of the rod-shaped positioning member 16, the protrusion 167 directly contacts the wheel core 12 or the housing 11, thereby reducing the contact area between the rod-shaped member 164 and the wheel core 12 or the housing 11, reducing the resistance received by the rod-shaped positioning member 16 during the swinging process, and making the data cable 13 smoother during the extension and retraction process.

[0056] The embodiment of the utility model provides a protrusion on the rod-shaped positioning member to reduce the contact area between the rod-shaped positioning member and the shell or the wheel core, thereby reducing the resistance received by the positioning member during the swinging process, making the data cable smoother during the extension and retraction process, optimizing product performance, and improving the user experience.

[0057] In some embodiments, Figure 3 As shown, the data line 13 includes a first part 133 wound around the wheel core 12 and a second part 134 not wound around the wheel core 12. The first part 133 includes a length that passes through the first end 131 of the housing and extends out of the housing 11 and is adjustable, and the second part 134 includes a length that passes through the second end 132 of the housing and extends out of the housing 11 and is fixed. It can be understood that the data line 13 in the hub assembly has a first part 133 and a second part 134. The first part 133 is wound around the wheel core 12. After the winding is completed, the first end 131 of the first part 133 passes through the housing 11, and the length of the first part 133 extending out of the housing can be adjusted; the second part 134 of the data line 13 passes through the housing 11 and is connected to different terminals to transmit signals. The second part 134 extends out of the housing through the fixing member 15 and has a fixed length and cannot be adjusted.

[0058] Among them, the first part 133 of the data line 13 can be stretched out of the shell 11 under the action of external force. During the process of the first part 133 stretching out of the shell 11, the first part 133 drives the wheel core 12 to rotate forward; when the external force is removed, the wheel core 12 rotates in the opposite direction under the action of the coil spring 14, and the stretched first part 133 is retracted from the shell 11, so as to adjust the length of the data line 13 in the hub assembly. Furthermore, both ends of the data line 13 extend out of the shell 11, and different terminals are connected to the same data line. There is no electrical connection method for the data line 13 inside the hub. The hub can complete the transmission of information such as images and audio through a single wire without being disturbed by disconnection.

[0059] The cable reel assembly in the embodiment of the utility model allows the user to adjust the length of the data cable according to their own usage requirements, thereby improving the convenience of the user during use. At the same time, the data cable is not disconnected inside the cable reel, which can ensure the stability of signal line transmission and further optimize the hub transmission performance.

[0060] In some embodiments, Fig.11 As shown, the housing 11 includes a top wall 112 and a side wall 113 . The side wall 113 is arranged on one side of the top wall 112 around the edge of the top wall 112 . The first end 131 and the second end 132 of the data line 13 extend from the side wall 113 and the top wall 112 respectively.

[0061] It can be understood that after the data cable 13 is wound around the wheel core 12, the first end 131 extends from the side wall 113 of the housing 11, and the second end 132 extends from the top wall 112 of the housing 11. The second end 132 extending from the top wall 112 is connected to different ports of the hub, and the first end 131 extending from the side wall 113 is connected to the connector 135 of the data cable.

[0062] In the embodiment of the utility model, the second end of the data line extends from the top wall to connect different ports, which reserves sufficient space for the setting of the ports and avoids mutual interference with the first end extending from the side wall, thereby saving space and optimizing product performance.

[0063] In some embodiments, Figure 3 As shown, the hub assembly 1 further includes a fixing member 15, which is disposed in the placement slot 121, and the coil spring 14 wraps around the fixing member 15, and one end of the data line 13 is connected to the fixing member 15. Fig.11 As shown, the data cable 13 passes through the wheel core 12 along the axis and extends out of the housing 11 from the top wall 112. Since the length of the second portion 134 is fixed, a fixing member 15 is required to be provided on the data cable 13 to fix the length of the data cable. In other words, the second portion 134 of the data cable 13 is fixedly connected to the wheel core 12 by the fixing member 15, thereby limiting the length change of the second portion 134.

[0064] In the embodiment of the utility model, the second part of the data line is connected to the wheel core through a fixing piece, which can stably fix the length of the second part on the one hand, and avoid direct contact between the data line and the shell on the other hand, thereby reducing the wire damage caused by friction between the data line and the shell, improving the quality of the product and extending the service life.

[0065] In some embodiments, the positioning member 16 is disposed on the inner surface 114 of the housing 11 facing the first end surface 122 and connected to the housing 11; the positioning track 123 is disposed on the first end surface 122; or, the positioning member 15 is disposed on the first end surface 122 and connected to the first end surface 122, and the positioning track 123 is disposed on the inner surface of the housing 11 facing the first end surface 122. It can be understood that when the positioning track 123 is disposed on the first end surface 122, the positioning member 16 is rotatably connected to the inner surface 114 of the housing 11, and the positioning member 16 is slidably connected to the positioning track 123; when the positioning member 16 is disposed on the first end surface 122, the positioning track 123 is disposed on the inner surface 114, the positioning member 16 is rotatably disposed on the wheel core 16, and is slidably connected to the positioning track 123.

[0066] Among them, when the data line 13 is extended and retracted under the action of external force, it will drive the wheel core 12 to rotate. If the positioning track 123 is set on the wheel core 12, then the positioning track 123 will rotate together with the wheel core 12. At this time, the positioning member 16 that is slidingly connected to the positioning track 123 can move along the positioning track 123 as the wheel core 12 rotates to control the length of the data line extension and retraction; if the positioning member 16 is set on the wheel core 12, then the positioning member 16 will rotate together with the wheel core 12, driving the positioning member 16 to move along the positioning track 123 set on the inner wall surface of the shell to control the length of the data line extension and retraction.

[0067] The hub assembly in the embodiment of the utility model respectively arranges the positioning member and the positioning track on the shell and the wheel core, so that the user can adjust the length of the data line according to his own usage requirements, thereby improving the convenience of the user and the user experience.

[0068] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A hub assembly, characterized in that: include: A shell body having a receiving cavity therein; A wheel core is arranged in the accommodating cavity, and the wheel core comprises a placement groove and a first end surface; A data line, at least partially wound around the wheel core; A coil spring, placed in the placement slot and connected to the data line to drive the data line to retract; A positioning track is arranged circumferentially around the placement groove; A positioning member connected to the positioning track and moving along the positioning track as the data line is extended and retracted; The positioning member may abut against an edge of the positioning track to define the position of the data line.

2. The hub assembly according to claim 1, characterized in that The positioning track comprises: Inner track; The outer ring track is arranged radially outside the inner ring track and does not intersect with the inner ring track, and the tangent direction of the circumferential direction is perpendicular to the radial direction; The connecting track is connected between the inner ring track and the outer ring track.

3. The hub assembly according to claim 2, characterized in that: A first protrusion and a second protrusion are arranged between the inner ring track and the outer ring track, and the first protrusion and the second protrusion are separated by the connecting track in the circumferential direction; Wherein, a shift groove is formed at one end of the second protrusion in the circumferential direction, so that the positioning member is inserted into the shift groove and abuts against the edge of the shift groove to define the position of the data line.

4. The hub assembly according to claim 3, characterized in that: The other end of the second protrusion in the circumferential direction forms an arc surface protruding toward the outer ring track.

5. The hub assembly according to claim 3 or 4, characterized in that: The positioning member comprises: A circular ring member is arranged around the through hole so as to be rotatably connected to the housing or the wheel core through the through hole; The first columnar member protrudes from the circular ring member to the positioning track to move along the positioning track.

6. The hub assembly according to claim 3 or 4, characterized in that: The positioning member comprises: A rod-shaped member, wherein a hole is opened at one end of the rod-shaped member in the length direction so as to be swingably connected to the housing or the wheel core; a second columnar member protruding from the rod-shaped member toward the positioning rail, the second columnar member being spaced apart from the opening in the length direction; Wherein, the second column moves along the positioning track.

7. The hub assembly according to claim 6, characterized in that A protrusion is arranged at one end of the rod-shaped member away from the hole, and the protrusion protrudes from the rod-shaped member toward a side away from the positioning track.

8. The hub assembly according to claim 1, wherein: The data cable includes a first portion wound around the wheel core and a second portion not wound around the wheel core, the first portion includes a first end, the first end passes through the shell and the length of the first end extending out of the shell is adjustable, and the second portion includes a second end, the second end passes through the shell and the length of the second end extending out of the shell is fixed.

9. The hub assembly according to claim 1, wherein: The housing comprises a top wall and a side wall, wherein the side wall is arranged on one side of the top wall around an edge of the top wall, and the first end and the second end of the data line extend out from the side wall and the top wall respectively.

10. The hub assembly according to claim 1, wherein: The hub assembly also includes a fixing member, which is arranged in the placement slot, and the coil spring wraps around the fixing member, and one end of the data line is connected to the fixing member.

11. The hub assembly according to claim 1, wherein: The positioning member is arranged on the inner surface of the shell facing the first end surface and is connected to the shell, and the positioning track is arranged on the first end surface; or, the positioning member is arranged on the first end surface and is connected to the first end surface, and the positioning track is arranged on the inner surface of the shell facing the first end surface.

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