Assembly mechanism

Abstract

The utility model discloses an assembling mechanism, relates to the earphone technical field, the assembling mechanism is used for assembling a back shell and a control button, the assembling mechanism comprises a pedestal and a positioning assembly, the positioning assembly comprises a positioning table arranged on the pedestal and a positioning column movably penetrating through the positioning table, and the positioning column is arranged on the pedestal. The positioning column and the positioning table are coaxially arranged, the positioning column is used for installing and fixing the control button, and the positioning table is used for installing and fixing the rear shell; the assembling mechanism is arranged to achieve coaxial assembling of the control button and the rear shell, the assembling quality of the control button and the rear shell is guaranteed, and then the reliability and stability of an assembled finished product are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of earphone assembly, in particular to an assembly mechanism. Background Art

[0002] TWS (True Wireless Stereo) headphones usually include a back cover and control buttons. The control buttons are set on the back cover. By operating the control buttons, users can perform various functions, such as playing / pausing music, adjusting the volume, answering / hanging up calls, activating voice assistants, etc. This design allows users to control music playback or calls directly through the headphones without taking out the mobile terminal, which improves the convenience of use and operational flexibility.

[0003] In the related art, the assembly of the back shell and the control button is usually completed manually. The assembly of the back shell and the control button can be achieved by connecting the control button with double-sided tape to the back shell. However, since there is no obvious positioning structure at the connection between the back shell and the control button, the problem of poor coaxiality between the control button and the back shell is easy to occur during assembly. Utility Model Content

[0004] The main purpose of the utility model is to provide an assembly mechanism, aiming to improve the coaxiality and assembly quality of the rear shell of the earphone and the control button.

[0005] In order to achieve the above-mentioned purpose, the assembly mechanism proposed in the utility model is used for assembling the rear housing and the control button, and the assembly mechanism includes:

[0006] Base; and

[0007] A positioning assembly, the positioning assembly includes a positioning platform arranged on the base and a positioning column movably arranged on the positioning platform, the positioning column is coaxially arranged with the positioning platform, the positioning column is used to install and fix the control button, and the positioning platform is used to install and fix the rear shell.

[0008] In one embodiment of the utility model, the positioning column has a mounting end exposed on the positioning platform, the mounting end is formed with a latching protrusion, a first limiting step is formed at the connection between the latching protrusion and the mounting end, the latching protrusion is used to be latched and fixed with the control button, and when the latching protrusion is connected to the control button, the control button abuts against the first limiting step for limiting.

[0009] In an embodiment of the present invention, the base is provided with an annular groove along the circumference of the positioning platform, and the annular groove is used to accommodate and limit the rear shell.

[0010] In one embodiment of the utility model, the base is provided with an active cavity, the assembly mechanism includes a self-locking component, the self-locking component includes a movable plate and a positioning pressure plate, the movable plate is movably accommodated in the active cavity and elastically connected to the bottom wall of the active cavity, and the positioning column is connected to the movable plate;

[0011] The base is provided with a mounting groove connected to the movable cavity, the positioning pressure plate is rotatably connected to the two side walls of the mounting groove, the positioning pressure plate has a toggle end and a pressing end, the pressing end can extend into the movable cavity and press against the movable plate to limit the position, the toggle end is elastically connected to the bottom wall of the mounting groove and partially exposed from the notch of the mounting groove.

[0012] In an embodiment of the utility model, the movable plate is provided with a second limiting step, and the pressing end of the positioning pressure plate can abut against the second limiting step for limiting position.

[0013] In an embodiment of the utility model, the base includes a detachably connected positioning cover plate and a bottom plate, the positioning cover plate and the bottom plate enclose the movable cavity, and the positioning platform is formed on a side of the positioning cover plate facing away from the bottom plate.

[0014] In one embodiment of the utility model, the assembly mechanism includes a guide member, the guide member includes a linear bearing and a guide shaft, the two ends of the guide shaft are respectively connected to the top wall and the bottom wall of the movable cavity, the linear bearing is slidably mounted on the guide shaft, and the movable plate is mounted on the linear bearing.

[0015] In one embodiment of the utility model, the self-locking component includes a first elastic member, a first limiting groove is provided on the side of the movable plate facing away from the positioning column, a second limiting groove is provided on the bottom wall of the movable cavity, and the two ends of the first elastic member are respectively connected to the bottom wall of the first limiting groove and the bottom wall of the second limiting groove, and are accommodated in the first limiting groove and the second limiting groove.

[0016] In one embodiment of the utility model, the self-locking assembly includes a second elastic member, the bottom wall of the mounting groove is provided with a third limiting groove, the toggle end of the positioning pressure plate is provided with a fourth limiting groove, and the two ends of the second elastic member are respectively connected to the bottom wall of the third limiting groove and the bottom wall of the fourth limiting groove, and are accommodated in the third limiting groove and the fourth limiting groove.

[0017] In an embodiment of the present invention, the positioning assembly includes a plurality of the positioning platforms and a plurality of the positioning columns. The plurality of the positioning platforms are spaced apart on the base, and each of the positioning columns is movably inserted through a positioning platform and connected to the movable plate.

[0018] In the technical solution of the utility model, the rear shell is installed and fixed on the positioning platform, and the control button is installed and fixed on the positioning column. The control button is pressed down to drive the positioning column to move closer to the positioning platform, so that the control button moves closer to the rear shell until the double-sided tape on the control button is bonded to the rear shell to form an assembled product, and then the assembled product is taken out to complete the coaxial assembly of the control button and the rear shell; the provision of the assembly mechanism ensures the assembly quality of the control button and the rear shell, thereby improving the reliability and stability of the assembled product. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0020] Figure 1 A structural schematic diagram of an embodiment of an assembly mechanism is provided for the utility model;

[0021] Figure 2 A schematic diagram of an exploded structure of an embodiment of an assembly mechanism of the utility model from a first viewing angle;

[0022] Figure 3 A schematic diagram of an exploded structure of an embodiment of an assembly mechanism of the utility model from a second viewing angle;

[0023] Figure 4 This is a schematic diagram of a partial explosion structure of another embodiment of the assembly mechanism provided by the utility model.

[0024] Description of Figure Numbers:

[0025] 1000. Assembling mechanism; 1. Base; 11. Annular groove; 12. Movable cavity; 13. Mounting groove; 14. Positioning cover plate; 15. Bottom plate; 16. Second limiting groove; 17. Third limiting groove; 2. Positioning assembly; 21. Positioning platform; 22. Positioning column; 221. Snap-on protrusion; 222. First limiting step; 3. Self-locking assembly; 31. Movable plate; 311. Second limiting step; 312. First limiting groove; 32. Positioning pressure plate; 321. Pressing end; 322. Driving end; 322a. Fourth limiting groove; 33. First elastic member; 34. Second elastic member; 4. Guide member; 41. Linear bearing; 42. Guide shaft.

[0026] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0029] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0030] The utility model provides an assembly mechanism 1000 .

[0031] See also Figure 1 and Figure 2 In one embodiment of the utility model, the assembly mechanism 1000 is used for assembling the rear shell and the control button. The assembly mechanism 1000 includes a base 1 and a positioning assembly 2. The positioning assembly 2 includes a positioning platform 21 provided on the base 1 and a positioning column 22 movably provided on the positioning platform 21. The positioning column 22 is coaxially arranged with the positioning platform 21. The positioning column 22 is used to install and fix the control button. The positioning platform 21 is used to install and fix the rear shell.

[0032] In the technical solution of the present utility model, the back shell is installed and fixed on the positioning platform 21, and the control button is installed and fixed on the positioning column 22. The control button is pressed down to drive the positioning column 22 to move closer to the positioning platform 21, so that the control button moves closer to the back shell until the double-sided tape on the control button is bonded to the back shell to form an assembled product. The assembled product is then taken out to complete the coaxial assembly of the control button and the back shell. The assembly mechanism 1000 is provided to ensure the assembly quality of the control button and the back shell, thereby improving the reliability and stability of the assembled product.

[0033] To locate the control buttons, see Figure 1 and Figure 2 In one embodiment of the utility model, the positioning column 22 has a mounting end exposed from the positioning platform 21, and the mounting end is formed with a clamping protrusion 221. A first limiting step 222 is formed at the connection between the clamping protrusion 221 and the mounting end. The clamping protrusion 221 is used to clamp and fix with the control button. When the clamping protrusion 221 is connected with the control button, the control button abuts against the first limiting step 222 for limiting position. The rear shell is first fixedly mounted on the positioning platform 21, and then the control button is fixedly mounted on the clamping protrusion 221, and abuts against the first limiting step 222 for limiting position, so that the control button is in a coaxial state with the rear shell before assembly, and the control button is pressed down so that the control button and the rear shell are attached to form an assembled product, and then the assembled product is taken out from the positioning column 22 and the positioning platform 21 to complete the coaxial assembly.

[0034] See also Figure 1 and Figure 2 In one embodiment of the utility model, the base 1 is provided with an annular groove 11 along the circumference of the positioning platform 21, and the annular groove 11 is used to accommodate and limit the rear shell. The annular groove 11 can enable the rear shell to be positioned more accurately, increase the stability and support force of the positioning platform 21, and when the rear shell is installed and fixed with the positioning platform 21, the annular groove 11 can further provide accurate positioning and stable support for the rear shell.

[0035] To facilitate the removal of the assembled product, please refer to Figures 1 to 4In one embodiment of the utility model, the base 1 is provided with an active cavity 12, and the assembling mechanism 1000 includes a self-locking component 3, and the self-locking component 3 includes a movable plate 31 and a positioning pressure plate 32, the movable plate 31 is movably accommodated in the active cavity 12 and elastically connected to the bottom wall of the active cavity 12, and the positioning column 22 is connected to the movable plate 31; the base 1 is provided with a mounting groove 13 connected to the active cavity 12, the positioning pressure plate 32 is rotatably connected to the two side walls of the mounting groove 13, the positioning pressure plate 32 has a toggle end 322 and a pressing end 321, the pressing end 321 can extend into the active cavity 12 and press the movable plate 31 to limit the position, the toggle end 322 is elastically connected to the bottom wall of the mounting groove 13, and is partially exposed from the notch of the mounting groove 13.

[0036] The rear shell is fixedly mounted on the positioning platform 21, and the control button is fixedly mounted on the positioning column 22, and the control button is pressed downward to drive the positioning column 22 to move close to the positioning platform 21, and drive the movable plate 31 to move close to the bottom wall of the movable cavity 12, and then the toggle end 322 of the positioning pressure plate 32 is toggled so that the pressing end 321 of the positioning pressure plate 32 presses against the movable plate 31. At this time, the movable plate 31 no longer moves, and the control button has been bonded to the rear shell to form an assembled product. After the assembled product is taken out, the toggle end 322 of the positioning pressure plate 32 is toggled again so that the pressing end 321 of the positioning pressure plate 32 no longer presses against the movable plate 31. The movable plate 31 drives the positioning column 22 to rebound under the action of the elastic restoring force, and the above operation is repeated to assemble the next rear shell and the next control button.

[0037] See also Figure 1 and Figure 2 In one embodiment of the utility model, the movable plate 31 is provided with a second limiting step 311, and the pressing end 321 of the positioning pressure plate 32 can be abutted against the second limiting step 311 for limiting. The second limiting step 311 is provided so that the positioning pressure plate 32 can be pressed against the correct position of the movable plate 31 to achieve accurate positioning, and the second limiting step 311 can increase the stability and reliability of the positioning of the positioning pressure plate 32 and the movable plate 31.

[0038] See also Figure 1 and Figure 2In another embodiment, the self-locking assembly 3 includes two positioning plates 32, the two ends of the movable plate 31 are provided with the second limiting steps 311, and the base 1 is provided with two mounting grooves 13 connected to the movable cavity 12. The two positioning plates 32, the two second limiting steps 311 and the two mounting grooves 13 are provided to enhance the reliability and stability of the positioning plates 32 pressing against the movable plate 31.

[0039] In an embodiment of the utility model, the base 1 includes a detachably connected positioning cover plate 14 and a bottom plate 15, the positioning cover plate 14 and the bottom plate 15 enclose the active cavity 12, and the positioning platform 21 is formed on the side of the positioning cover plate 14 facing away from the bottom plate 15. The detachable connection can be through a snap-fit ​​buckle and a slot, or through a screw, which is not limited by the utility model; the positioning cover plate 14 and the bottom plate 15 are detachably connected, which is convenient for installing the assembly mechanism 1000 and maintaining and replacing part of the structure of the assembly mechanism 1000.

[0040] See also Figure 2 and Figure 4 In one embodiment of the utility model, the assembly mechanism 1000 includes a guide member 4, and the guide member 4 includes a linear bearing 41 and a guide shaft 42. The two ends of the guide shaft 42 are respectively connected to the top wall and the bottom wall of the movable cavity 12. The linear bearing 41 is slidably sleeved on the guide shaft 42, and the movable plate 31 is sleeved on the linear bearing 41. The movable plate 31 moves in the movable cavity 12 along the extension direction of the guide shaft 42. The guide shaft 42 is provided to ensure that the movable plate 31 moves within a specified stroke. The linear bearing 41 is provided to reduce the friction between the guide shaft 42 and the movable plate 31, so as to ensure that the movable plate 31 can move along the circumferential direction of the guide shaft 42 while extending the service life of the movable plate 31.

[0041] See also Figure 3 and Figure 4 In one embodiment of the utility model, the self-locking assembly 3 includes a first elastic member 33, a first limiting groove 312 is provided on the side of the movable plate 31 facing away from the positioning column 22, a second limiting groove 16 is provided on the bottom wall of the movable cavity 12, and two ends of the first elastic member 33 are respectively connected to the bottom wall of the first limiting groove 312 and the bottom wall of the second limiting groove 16, and are accommodated in the first limiting groove 312 and the second limiting groove 16. The first limiting groove 312 and the second limiting groove 16 are provided so that the first elastic member 33 can be completely accommodated and limited in the first limiting groove 312 and the second limiting groove 16 without protruding or occupying additional space, thereby making the overall structure more compact.

[0042] See also Figure 3 In another embodiment, the self-locking assembly 3 includes a plurality of first elastic members 33, a plurality of first limiting grooves 312 are spaced apart on the side of the movable plate 31 facing away from the positioning column 22, a plurality of second limiting grooves 16 are spaced apart on the bottom wall of the movable cavity 12, and the two ends of each first elastic member 33 are respectively connected to the bottom wall of a first limiting groove 312 and a bottom wall of a second limiting groove 16, and are accommodated in a first limiting groove 312 and a second limiting groove 16. Providing a plurality of first elastic members 33 can more evenly distribute the compression force and the supporting force, help reduce stress concentration, and improve the stability and durability of the movable plate 31; using a plurality of first elastic members 33 can also increase the stability and balance of the movable plate 31, help reduce the vibration and shaking of the movable plate 31, so that the movable plate 31 is more stable during the movement.

[0043] See also Figure 2 In one embodiment of the utility model, the self-locking assembly 3 includes a second elastic member 34, a third limiting groove 17 is formed on the bottom wall of the installation groove 13, a fourth limiting groove 322a is formed on the toggle end 322 of the positioning plate 32, and two ends of the second elastic member 34 are respectively connected to the bottom wall of the third limiting groove 17 and the bottom wall of the fourth limiting groove 322a, and are accommodated in the third limiting groove 17 and the fourth limiting groove 322a. The third limiting groove 17 and the fourth limiting groove 322a are provided so that the second elastic member 34 can be completely accommodated and limited in the third limiting groove 17 and the fourth limiting groove 322a, and will not protrude or occupy additional space, thereby making the overall structure more compact.

[0044] To improve assembly efficiency, please refer to Figure 1 and Figure 2 In one embodiment of the utility model, the positioning assembly 2 includes a plurality of positioning platforms 21 and a plurality of positioning posts 22, wherein the plurality of positioning platforms 21 are arranged at intervals on the base 1, and each positioning post 22 is movably arranged through a positioning platform 21 and connected to the movable plate 31. By providing a plurality of positioning posts 22 and a plurality of positioning platforms 21, the assembly of a plurality of control buttons and a plurality of rear shells can be realized at the same time, thereby improving the work efficiency of the coaxial assembly of the control buttons and the rear shell.

[0045] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An assembly mechanism for assembling a rear housing and a control button, characterized in that: The assembly mechanism comprises: Base; and A positioning assembly, the positioning assembly includes a positioning platform arranged on the base and a positioning column movably arranged on the positioning platform, the positioning column is coaxially arranged with the positioning platform, the positioning column is used to install and fix the control button, and the positioning platform is used to install and fix the rear shell.

2. The assembly mechanism according to claim 1, characterized in that: The positioning column has a mounting end exposed on the positioning platform, the mounting end is formed with a latching protrusion, a first limiting step is formed at the connection between the latching protrusion and the mounting end, the latching protrusion is used to be latched and fixed with the control button, and when the latching protrusion is connected to the control button, the control button abuts against the first limiting step for limiting position.

3. The assembly mechanism according to claim 1, characterized in that: The base is provided with an annular groove along the circumference of the positioning platform, and the annular groove is used to accommodate and limit the rear shell.

4. The assembly mechanism according to any one of claims 1 to 3, characterized in that: The base is provided with an active cavity, the assembly mechanism includes a self-locking component, the self-locking component includes a movable plate and a positioning pressure plate, the movable plate is movably accommodated in the active cavity and elastically connected to the bottom wall of the active cavity, and the positioning column is connected to the movable plate; The base is provided with a mounting groove connected to the movable cavity, the positioning pressure plate is rotatably connected to the two side walls of the mounting groove, the positioning pressure plate has a toggle end and a pressing end, the pressing end can extend into the movable cavity and press against the movable plate to limit the position, the toggle end is elastically connected to the bottom wall of the mounting groove and partially exposed from the notch of the mounting groove.

5. The assembly mechanism according to claim 4, characterized in that: The movable plate is provided with a second limiting step, and the pressing end of the positioning pressing plate can abut against the second limiting step for limiting position.

6. The assembly mechanism according to claim 4, characterized in that: The base comprises a detachably connected positioning cover plate and a bottom plate, wherein the positioning cover plate and the bottom plate enclose the activity cavity, and the positioning platform is formed on a side of the positioning cover plate facing away from the bottom plate.

7. The assembly mechanism according to claim 4, characterized in that: The assembly mechanism includes a guide member, which includes a linear bearing and a guide shaft. The two ends of the guide shaft are respectively connected to the top wall and the bottom wall of the movable cavity. The linear bearing is slidably mounted on the guide shaft, and the movable plate is mounted on the linear bearing.

8. The assembly mechanism according to claim 4, characterized in that: The self-locking component includes a first elastic member, a first limiting groove is provided on the side of the movable plate facing away from the positioning column, a second limiting groove is provided on the bottom wall of the movable cavity, and two ends of the first elastic member are respectively connected to the bottom wall of the first limiting groove and the bottom wall of the second limiting groove, and are accommodated in the first limiting groove and the second limiting groove.

9. The assembly mechanism according to claim 4, characterized in that: The self-locking component includes a second elastic member, a third limiting groove is formed on the bottom wall of the mounting groove, a fourth limiting groove is formed on the toggle end of the positioning pressure plate, and two ends of the second elastic member are respectively connected to the bottom wall of the third limiting groove and the bottom wall of the fourth limiting groove, and are accommodated in the third limiting groove and the fourth limiting groove.

10. The assembly mechanism according to claim 4, characterized in that: The positioning assembly includes a plurality of positioning platforms and a plurality of positioning columns. The plurality of positioning platforms are arranged at intervals on the base, and each positioning column is movably inserted through a positioning platform and connected to the movable plate.

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