Mute telescopic data line module shell

Abstract

The utility model discloses a mute telescopic data line module shell, which comprises a shell and a movable disc, the shell is provided with an inner cavity, the inner cavity is provided with a middle shaft, the movable disc comprises a base plate and a pivoting hole arranged in the middle of the base plate, the middle shaft penetrates through the pivoting hole, the lower wall of the base plate extends downwards to form a surrounding part, the surrounding part and the middle shaft form a positioning cavity in a surrounding manner, and the positioning cavity is provided with a positioning hole. The positioning cavity is used for installing a torsional spring, a cover plate is arranged on the lower wall of the surrounding part, the cover plate abuts against the lower wall of the torsional spring, the cover plate is attached to the inner wall of the shell in a clearance fit mode, one end of the torsional spring is connected with the middle shaft, and the other end of the torsional spring is connected with the movable disc; the peripheral wall of the surrounding part is used for winding a data line, and the end part of the data line extends out of the shell; an inner cavity is formed in the substrate, a first PCB is arranged on the top wall of the inner cavity, a second PCB is arranged on the upper wall of the substrate, the first PCB is provided with elastic contact parts extending downwards, the second PCB is provided with golden fingers arranged in a closed loop mode, and the elastic contact parts are arranged at intervals.

Description

TECHNICAL FIELD

[0001] The utility model relates to retractable data line module field, especially in a kind of mute retractable data line module shell. BACKGROUND

[0002] With the development of retractable data line, the existing main two retractable structures are unidirectional retractable structure and bidirectional retractable structure.

[0003] But the existing data line retractable module, there is the problem of relatively large noise, its noise is mainly generated by the friction of tension spring deformation and shell, and further.

[0004] For example, Chinese patent CN202420418828.8, it is bidirectional retractable structure, it uses sliding device to replace ball, avoids the situation that ball deviates and jams, simultaneously also will not produce noise, make the quality of product more stable, but the structure is not applicable to unidirectional retractable structure.

[0005] The existing unidirectional retractable structure, for example, Chinese patent CN202420261100.9, torsion spring is directly contacted with shell, so in the process of use, relatively large noise is generated, which affects the use experience. INVENTION CONTENTS

[0006] The main purpose of the utility model is to propose a kind of mute retractable data line module shell, to improve the structure of existing moving disc and fixed disc, to reduce its noise, while installing more simply, improve use experience.

[0007] To achieve the above object, the utility model provides a kind of mute retractable data line module shell, including:

[0008] Shell, the shell is equipped with inner cavity, the inner cavity is equipped with middle shaft;

[0009] Moving disc, the moving disc includes base plate, pivot hole in the middle part of base plate, the middle shaft passes through pivot hole, the lower wall of base plate extends downward with surrounding portion, the surrounding portion and middle shaft form positioning cavity, the positioning cavity is used to install torsion spring, the lower wall of surrounding portion is equipped with cover plate, the lower wall of cover plate is abutted with torsion spring, the cover plate and the inner wall of shell clearance fit and are attached, one end of torsion spring is connected with middle shaft, the other end is connected with moving disc;

[0010] The outer peripheral wall of surrounding portion is used to wind data line, and the end of data line extends out of shell;

[0011] The top wall of inner cavity is equipped with first PCB board, the upper wall of base plate is equipped with second PCB board, the first PCB board is equipped with downward extending elastic contact part, the second PCB board is equipped with gold finger of closed loop arrangement, the elastic contact part is equipped with multiple and interval arrangement.

[0012] The top wall of the inner cavity is further provided with a locking device cooperating with the upper wall of the base plate for locking or unlocking the rotation of the moving disc.

[0013] In actual design, the cooperation of the locking device with the base plate is the prior art, which is not described herein.

[0014] Compared with the prior design, by cooperating the torsional spring with the middle shaft, the base plate, the surrounding part and the cover plate, and then limiting the torsional spring therein, the sound generated by the lower end wall of the torsional spring rubbing against the shell is avoided, the sound is formed into a first cavity through the cover plate, and then a second cavity through the shell, effectively reducing the abnormal sound generated by the torsional spring when stretching and retracting, and the torsional spring has a limit, which can improve the positioning stability of the torsional spring and improve the service life of the stretchable data line. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a sectional view of the utility model;

[0016] Figure 2 is an explosion Figure One of the utility model;

[0017] Figure 3 is an explosion Figure Two of the utility model.

[0018] In the drawings,

[0019] 1 is a shell, 11 is an inner cavity, 12 is a middle shaft,

[0020] 2 is a moving disc, 21 is a base plate, 22 is a pivot hole, 23 is a surrounding part, 24 is a positioning cavity, 25 is a torsional spring, 26 is a cover plate,

[0021] 31 is a first PCB, 32 is a second PCB, 33 is an elastic contact part, 34 is a gold finger, 331 is a power supply terminal, 332 is a data terminal, and 333 is a branch terminal,

[0022] 41 is a notch, 42 is a clamping part,

[0023] 5 is a convex part, 51 is a locking groove, 52 is a positioning groove,

[0024] 6 is a clearance hole, 60 is a via hole, 61 is a clamping hook, and 62 is a clamping hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0026] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, top, bottom, inner, outer, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.

[0027] In addition, if the embodiments of the present application involve descriptions such as "first" or "second", the descriptions of "first" or "second" are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist and is not within the protection scope required by the present application.

[0028] As shown in FIG. Figures 1 to 3 A mute retractable data line module shell, comprising:

[0029] A shell 1, which is provided with an inner cavity 11, and the inner cavity 11 is provided with a middle shaft 12;

[0030] A movable disc 2, which comprises a base plate, a pivot hole 22 provided in the middle part of the base plate 21, the middle shaft 12 passes through the pivot hole 22, the lower wall of the base plate extends downwardly to form a surrounding part 23, the surrounding part 23 and the middle shaft 12 form a positioning cavity 24, the positioning cavity 24 is used for installing a torsional spring 25, the lower wall of the surrounding part 23 is provided with a cover plate 26, the cover plate 26 abuts against the lower wall of the torsional spring 25, the cover plate 26 is in clearance fit with the inner wall of the shell 1 and is attached thereto, one end of the torsional spring 25 is connected with the middle shaft 12, and the other end is connected with the movable disc 2;

[0031] The outer peripheral wall of the surrounding part 23 is used for winding a data line, and the end part of the data line extends out of the shell 1;

[0032] The top wall of the inner cavity 11 is provided with a first PCB board 31, the upper wall of the base plate 21 is provided with a second PCB board 32, the first PCB board 31 is provided with an elastic contact part 33 extending downward, the second PCB board 32 is provided with a gold finger 34 arranged in a closed loop, and the elastic contact part 33 is provided with a plurality of elastic contact parts arranged at intervals;

[0033] The top wall of the inner cavity 11 is further provided with a locking device which cooperates with the upper wall of the base plate 21 to lock or unlock the rotation of the moving disc 2.

[0034] In actual design, the cooperation of the locking device with the base plate 21 is a prior art which will not be described here.

[0035] Compared with the prior design, by cooperating the torsional spring 25 with the middle shaft 12, the base plate 21, the surrounding part 23 and the cover plate 26, and then limiting the torsional spring 25 in the middle shaft 12, the base plate 21, the surrounding part 23 and the cover plate 26, the sound generated by the lower end wall of the torsional spring 25 rubbing against the shell 1 is avoided, the sound is formed into a first separate cavity through the cover plate 26, and then a second separate cavity through the shell 1, effectively reducing the abnormal sound generated by the torsional spring 25 when stretching and contracting, and the torsional spring 25 is limited, which can improve the positioning stability of the torsional spring 25 and improve the service life of the stretchable data line.

[0036] Specifically, the lower end wall of the surrounding part 23 is provided with a plurality of notches 41, and the cover plate 26 is provided with a clamping part 42 matched with the notches, which not only avoids the problem of increasing the thickness of the shell 1, but also limits the upper end and the lower end of the torsional spring 25, thereby improving the use stability.

[0037] Specifically, the clamping part and the notch are fixed by glue, ultrasonic welding or buckle.

[0038] Specifically, the upper wall and the lower wall of the cover plate 26 are coated with a Teflon coating, thereby reducing friction and further reducing noise.

[0039] Specifically, the inner walls of the middle shaft 12 and the surrounding part 23 form a torsional spring cavity, and the outer wall of the surrounding part 23 and the inner wall of the shell 1 form a data line cavity.

[0040] Specifically, the upper wall of the base plate 21 is provided with a protruding part 5 extending upward, the protruding part is in a circular shape, and the protruding part is provided with a plurality of locking grooves 51 arranged at intervals,

[0041] The inner periphery of the protruding part forms a positioning groove 52 for installing the second PCB board 32, which facilitates the fixation of the second PCB board 32 and also facilitates the mutual limiting of the data line and the second PCB board 32, thereby reducing the abrasion of the end of the data line.

[0042] Specifically, the base plate is provided with a via hole 60 for the data line to pass through.

[0043] Specifically, the elastic contact part 33 comprises a power supply terminal 331 and a data terminal 332, the power supply terminal 331 comprises a welding part and at least two branch terminals 333, thereby meeting the existing charging of greater power.

[0044] Specifically, the shell 1 comprises an upper shell and a lower shell, the lower shell is provided with the middle shaft 12, and the upper shell and the lower shell are respectively provided with a clamping hook 61 and a clamping hole 62 matched with each other.

[0045] Specifically, the upper shell is provided with an avoiding hole 6 for the welding end of the first PCB board 31 to extend out.

[0046] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation, direct / indirect application in other related technical fields under the utility model concept of the utility model are included in the patent protection range of the utility model.

Claims

1. A silent retractable data cord module housing characterized by, The utility model relates to a data line winding device, comprising: a shell provided with an inner cavity, the inner cavity is provided with a middle shaft; a moving disc, the moving disc includes a base plate, a pivot hole is arranged in the middle part of the base plate, the middle shaft passes through the pivot hole, the lower wall of the base plate extends downward and has a surrounding part, the surrounding part and the middle shaft form a positioning cavity, the positioning cavity is used for installing a torsional spring, the lower wall of the surrounding part is provided with a cover plate, the cover plate abuts against the lower wall of the torsional spring, the cover plate is matched and attached with the inner wall of the shell in a clearance fit, one end of the torsional spring is connected with the middle shaft, and the other end is connected with the moving disc; the outer peripheral wall of the surrounding part is used for winding a data line, and the end part of the data line extends out of the shell; the top wall of the inner cavity is provided with a first PCB plate, the upper wall of the base plate is provided with a second PCB plate, the first PCB plate is provided with an elastic contact part extending downward, the second PCB plate is provided with a gold finger arranged in a closed loop, and the elastic contact part is provided with a plurality of elastic contact parts and is arranged at intervals; the top wall of the inner cavity is further provided with a locking device, the locking device is matched with the upper wall of the base plate and is used for locking or unlocking the rotation of the moving disc.

2. The silent expansion data line module housing of claim 1, wherein: the lower end wall of the surrounding part is provided with a plurality of notches, and the cover plate is provided with a clamping part matched with the notches.

3. The silent expansion data line module housing of claim 2, wherein: The clamping part and the notch are fixed by glue, ultrasonic welding or buckle.

4. The silent expansion data line module housing of claim 1, wherein: The upper wall and the lower wall of the cover plate are coated with a Teflon coating.

5. The silent expansion data line module housing of claim 1, wherein: The middle shaft and the inner wall of the surrounding part form a torsional spring cavity, and the outer wall of the surrounding part and the inner wall of the shell form a data line cavity.

6. The silent expansion data line module housing of claim 1, wherein: The upper wall of the base plate is provided with a convex part extending upward, the convex part is in a circular shape, the convex part is provided with a plurality of locking grooves arranged at intervals, the inner periphery of the convex part forms a positioning groove, and the positioning groove is used for installing the second PCB plate.

7. The silent expansion data line module housing of claim 5, wherein: The base plate is provided with a via for the data line to pass through.

8. The silent expansion data line module housing of claim 5, wherein: The elastic contact part includes a power supply terminal and a data terminal, the power supply terminal includes a welding part and at least two branch terminals.

9. The silent expansion data line module housing of claim 5, wherein: The shell includes an upper shell and a lower shell, the lower shell is provided with the middle shaft, and the upper shell and the lower shell are respectively provided with clamping hooks and clamping holes matched with each other.

10. The silent expansion data line module housing of claim 9, wherein: The upper shell is provided with a avoiding hole, and the avoiding hole is used for the welding end of the first PCB plate to extend out.

Images