External control key and electronic equipment protective sleeve

Abstract

The utility model relates to an external control button and an electronic equipment protective jacket, the external control button comprises an outer frame, a control panel and a tempered film, the outer frame is provided with a hollow hole with two open ends, the control panel is embedded in the hollow hole, the control panel comprises a front surface and a back surface which are oppositely arranged along the axial direction of the hollow hole, the control panel is provided with a plurality of spaced and insulated contact groups, and the tempered film is arranged on the front surface and the back surface. Each contact group comprises a first contact positioned on the front surface of the control panel and a second contact positioned on the back surface of the control panel, and the first contact is electrically connected with the second contact; the tempered film is attached to the front face of the control panel, the tempered film is movably arranged in the hollow hole, the tempered film is pressed in the direction where the control panel is located in the axial direction of the hollow hole, and the tempered film and the control panel can synchronously move in the pressing direction relative to the outer frame; the outer wall of the outer frame is provided with a buckling groove used for being buckled to a key hole of an electronic equipment protection shell, and the buckling groove is arranged around the hollow hole. According to the invention, the side control key function of the electronic equipment is not sacrificed, and the side control key of the electronic equipment can be protected.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic equipment accessories, in particular to an external control button and an electronic equipment protective cover. Background Art

[0002] With the release of the new generation of iPhone 16 phones, the camera control button on the side of the iPhone 16 phone has become increasingly popular and welcomed by consumers. The camera control button on the side of the iPhone 16 phone can directly activate the camera shooting function when pressed once. After the camera shooting function is activated, press the camera control button on the side again to directly take a photo of the target to be photographed. In addition, the camera control button on the side can also be slid for users to select the required shooting parameters.

[0003] For the new generation iPhone 16, which features side camera controls, there are no commercially available cases that effectively protect these buttons. Some manufacturers may create holes in the cases corresponding to the iPhone 16's side camera controls, exposing the buttons and allowing users to access them directly through the holes. However, since these buttons are always exposed, they are susceptible to scratches or even damage over time. Therefore, there is an urgent need to develop a phone case that protects these buttons without compromising their functionality. Utility Model Content

[0004] The utility model provides an external control button and an electronic device protective cover, so as to solve the technical problem that the control button with pressing and sliding functions on the side of the electronic device cannot be effectively protected.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] In the first aspect, the utility model provides an external control button, including an outer frame, a control panel and a tempered film, the outer frame having a hollow hole with openings at both ends, the control panel embedded in the hollow hole, the control panel including a front side and a back side arranged opposite to each other along the axial direction of the hollow hole, the control panel is provided with a plurality of spaced and insulated contact groups, each contact group including a first contact located on the front side of the control panel and a second contact located on the back side of the control panel, the first contact being electrically connected to the second contact; the tempered film is attached to the front side of the control panel, the tempered film is movably arranged in the hollow hole, the tempered film is pressed along the axial direction of the hollow hole toward the direction of the control panel, the tempered film and the control panel can be synchronously moved relative to the outer frame along the pressing direction; wherein, the outer wall of the outer frame is provided with a buckle groove for buckling onto the button hole of the protective shell of the electronic device, and the buckle groove is arranged around the hollow hole.

[0007] In one embodiment, the outer frame is made of soft rubber, and the inner wall of the outer frame has an integral elastic arm extending radially inward. The outer wall of the control panel is bonded to the end of the elastic arm. When the tempered film is pressed, the elastic arm bends and deforms.

[0008] In one embodiment, the edge of the tempered film extends radially outward, the edge portion of the tempered film extending radially outward blocks the elastic arm, and the edge portion of the tempered film extending radially outward is spaced from the elastic arm.

[0009] In one embodiment, the outer frame is a decorative part made of hard material, and the external control button also includes a soft rubber ring, which is squeezed between the outer frame and the control panel, and the control panel and the soft rubber ring are interference fit; when the tempered film is pressed, the control panel moves relative to the soft rubber ring along the axial direction of the hollow hole.

[0010] In one embodiment, the hollow hole includes a first hole and a second hole that are axially interconnected, a step is formed at the connection between the first hole and the second hole, the radial dimension of the first hole is larger than the radial dimension of the second hole, the soft rubber ring is located in the second hole, the tempered film is located in the first hole and its edge extends radially outward, the edge portion of the tempered film is opposite to the step, and when the tempered film is pressed, the step can directly or indirectly abut against the tempered film to limit the movement distance of the control panel relative to the soft rubber ring.

[0011] In one embodiment, the outer frame has a first stopper extending radially inward, the control board has a second stopper extending radially outward, and the soft rubber ring is limited between the first stopper and the second stopper along the axial direction of the hollow hole.

[0012] In one embodiment, a card slot is provided on the outer side wall of the control panel, one side wall of the card slot is formed on the second stop block, the soft rubber ring is abutted against the second stop block, part of the structure of the soft rubber ring is engaged in the card slot, and the other part of the soft rubber ring protrudes from the second stop block and abuts against the inner side wall of the outer frame.

[0013] In one embodiment, the outer diameter of the tempered film is smaller than the inner diameter of the first stopper, the tempered film is movably inserted into the hole formed by the first stopper, and when the tempered film is pressed, the tempered film moves inside the first stopper; or

[0014] The outer diameter of the tempered film is greater than the inner diameter of the first stopper, the edge of the tempered film is opposite to and spaced from the first stopper, and the tempered film is pressed so that the tempered film approaches the first stopper.

[0015] In one embodiment, the outer frame is a decorative part made of hard material, and the external control button also includes a fastening ring and adhesive located in the hollow hole, and the adhesive includes a first ring body and a second ring body that are bent. The fastening ring is bonded to the outer frame through the first ring body along the radial direction of the hollow hole, and the fastening ring is also bonded to the outer frame through the second ring body along the axial direction of the hollow hole; the second ring body extends to the inner side of the hollow hole to form an elastic arm, and the outer side wall of the control panel is bonded to the end of the elastic arm.

[0016] In the second aspect, the utility model provides an electronic device protective cover, comprising a protective shell and the aforementioned external control button, the protective shell comprising a main body and a side portion, the side portion being bent and extended from the edge of the main body, the main body and the side portion being enclosed to form an installation slot for installing the electronic device, the side portion being provided with a button hole opposite to the side electronic button of the electronic device, the external control button being installed in the button hole, the back of the control panel facing the inside of the installation slot, the tempered film facing away from the installation slot and exposing the button hole.

[0017] It can be seen from the above technical solutions that the embodiments of the present utility model have at least the following advantages and positive effects:

[0018] The external control buttons and the electronic device protective cover of the embodiment of the present invention, the external control buttons can be manufactured separately, and the separately manufactured external control buttons can be assembled to the protective case. Since the tempered film and the control panel can move synchronously relative to the outer frame in the pressing direction, when the user performs a pressing operation on the side where the tempered film is located, it is possible to execute, for example, the photo-taking instruction of the camera of the iPhone 16 mobile phone. And since the control panel is provided with a plurality of spaced and insulated contact groups, when the user slides on the side where the tempered film is located, the sliding operation instruction can be transmitted to the side control button of the electronic device through these contact groups to execute the sliding operation selection instruction of the camera of the iPhone 16 mobile phone. Based on this, the electronic device protective cover with the external control buttons of the embodiment of the present invention can play a role in button protection without sacrificing the button function of the original machine. Of course, when the external control button of the present invention is pressed or slid, other functions of the mobile phone or other functions of the app in the mobile phone can also be realized through the side control button of the electronic device, not limited to the photo-taking and photo-taking parameter selection functions of the mobile phone. In addition, in the external control button, since the outer wall of the outer frame is provided with a buckle groove that snaps into the button hole of the electronic device protective shell, the user saves the cost of using glue when assembling the electronic device protective cover and improves assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0020] Figure 1 This is a structural diagram of an electronic device protective cover installed with a mobile phone according to an embodiment of the present utility model;

[0021] Figure 2 for Figure 1 Schematic diagram of the explosion after the protective cover of the electronic device is separated from the mobile phone;

[0022] Figure 3 for Figure 2 An exploded schematic diagram of the external control buttons of the first embodiment of the protective cover is shown;

[0023] Figure 4 For the Figure 1 A schematic cross-sectional view of the structure along the middle section line MM corresponds to the first embodiment;

[0024] Figure 5 for Figure 4 Schematic diagram of the local enlarged structure at A in the middle;

[0025] Figure 6 for Figure 2 An exploded view of the external control buttons of the second embodiment of the protective cover is shown;

[0026] Figure 7 For the Figure 1 A schematic cross-sectional view of the structure along the middle section line MM corresponds to the second embodiment;

[0027] Figure 8 for Figure 7 Schematic diagram of the local enlarged structure at B in the middle;

[0028] Figure 9 for Figure 2 An exploded view of the external control buttons of the third embodiment of the protective cover is shown;

[0029] Figure 10 For the Figure 1 A schematic cross-sectional view of the structure along the middle section line MM corresponds to the third embodiment;

[0030] Figure 11 for Figure 10 Schematic diagram of the local enlarged structure at C in the middle;

[0031] Figure 12 for Figure 2An exploded view of the external control buttons of the fourth embodiment of the protective cover is shown;

[0032] Figure 13 For the Figure 1 A schematic cross-sectional view of the structure along section line MM corresponds to the fourth embodiment;

[0033] Figure 14 for Figure 13 Schematic diagram of the local enlarged structure at D in the middle;

[0034] Figure 15 for Figure 2 An exploded view of the external control buttons of the fifth embodiment of the protective cover is shown;

[0035] Figure 16 For the Figure 1 A schematic cross-sectional view of the structure along section line MM corresponds to the fifth embodiment;

[0036] Figure 17 for Figure 16 Schematic diagram of the local enlarged structure at E in the middle.

[0037] The following are the descriptions of the reference numerals:

[0038] 1-Protective cover; 2-Electronic device; 21-Side control button; 3-Protective shell; 4-External control button; 5-Main body; 6-Side; 61-Button hole; 7-Mounting slot;

[0039] 100 - outer frame; 110 - hollow hole; 111 - first hole; 112 - second hole; 113 - step; 101 - buckle groove; 120 - elastic arm; 140 - first stopper; 150 - second stopper;

[0040] 200-control panel; 210-front; 220-back; 201-card slot;

[0041] 300-tempered film; 400-soft rubber ring; 500-fastening ring;

[0042] 600 - adhesive; 610 - first circle; 620 - second circle; 621 - elastic arm. DETAILED DESCRIPTION

[0043] Typical embodiments that embody the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention is capable of various variations in different embodiments without departing from the scope of the present invention, and that the descriptions and illustrations herein are intended to be illustrative in nature and not to limit the present invention.

[0044] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the described features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.

[0045] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "installed," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0046] See also Figure 1 The present invention provides an electronic device protective cover 1, which is mounted on the outer surface of the electronic device 2 and exposes the display screen of the electronic device 2, so as to protect the electronic device 2 and prevent it from being damaged during use. The electronic device 2 is not limited to Figure 1 The mobile phone shown can also be an electronic tablet computer. In particular, the electronic device protective cover 1 of the present invention is suitable for electronic devices with side panels having press and slide function control buttons, such as the new generation iPhone 16 mobile phone.

[0047] refer to Figure 2 The electronic device protective cover 1 includes a protective shell 3 and an external control button 4. The protective shell 3 includes a main body 5 and a side portion 6. The side portion 6 is bent and extended from the edge of the main body 5. The main body 5 and the side portion 6 enclose a mounting groove 7 for mounting the electronic device. The side portion 6 is provided with a button hole 61 opposite to the side control button 21 of the electronic device 2. The external control button 4 is installed in the button hole 61. Pressing the external control button 4 from the outside can indirectly trigger the original pressing function of the side control button 21 to start the camera shooting function. Sliding the external control button 4 from the outside can indirectly trigger the original sliding function of the side control button 21 to start the camera parameter selection function.

[0048] refer to Figure 3 and Figure 4The external control button 4 includes an outer frame 100, a control panel 200, and a tempered film 300. The outer frame 100 has a hollow hole 110 with two open ends. The control panel 200 is embedded in the hollow hole 110. The control panel 200 includes a front face 210 and a back face 220 that are oppositely arranged along the axial direction of the hollow hole 110. The control panel 200 is provided with a plurality of spaced and insulated contact groups (not shown). Each contact group includes a first contact located on the front face of the control panel 200 and a second contact located on the back face of the control panel 200. The first contact is electrically connected to the second contact. The tempered film 300 is attached to the front face 210 of the control panel 200 and is movably disposed within the hollow hole 110. When the tempered film 300 is pressed along the axial direction of the hollow hole 110 toward the control panel 200, the tempered film 300 and the control panel 200 can move synchronously relative to the outer frame 100 in the pressing direction. Among them, the outer wall of the outer frame 100 is provided with a buckle groove 101 for buckling onto the button hole 61 of the protective shell 3. The buckle groove 101 is arranged around the hollow hole 110. "Surrounding" can mean that the buckle groove 101 is an annular groove that is continuous from beginning to end in the circumferential direction of the hollow hole 110, or it can mean that it includes multiple sub-buckle grooves arranged at intervals along the circumferential direction around the hollow hole 110. It should be noted that the control board can be a PCB board, and the PCB board includes multiple insulating sub-boards. The multiple sub-boards can be cut from a whole circuit board. The front and back of each sub-board have contacts, namely the aforementioned first contact and second contact. The multiple sub-boards are bonded together in the same plane by adhesive, and the first contact and the second contact on the front and back of the same sub-board form a contact group. In other embodiments, an insulating plate can be arbitrarily selected, and the contact group can be formed by threading.

[0049] The external control button 4 of the embodiment of the present invention can be manufactured separately, and the separately manufactured external control button 4 can be assembled to the protective shell 3. Since the tempered film 300 and the control panel 200 can move synchronously relative to the outer frame 100 in the pressing direction, the user can execute the camera's photo-taking instruction when performing a pressing operation on the side where the tempered film 300 is located. Since the control panel 200 is provided with a plurality of spaced and insulated contact groups, when the user slides on the side where the tempered film 300 is located, the sliding operation instruction can be transmitted to the side control button 21 through these contact groups to execute the sliding operation selection instruction. Based on this, the electronic device protective cover 1 with the external control button 4 of the embodiment of the present invention can play a key protection role without sacrificing the original machine button function. Of course, when the external control button 4 of the present invention is pressed or slid, other functions of the mobile phone or other functions of the app in the mobile phone can also be realized through the side control button 21 of the electronic device 2, not limited to the mobile phone's photo-taking and photo-taking parameter selection functions. In addition, in the external control button 4, since the outer wall of the outer frame 100 is provided with a buckle groove 101 for buckling into the button hole 61 of the protective shell 3, the user saves the cost of using glue when assembling the protective cover 1 and improves the assembly efficiency.

[0050] In the first embodiment, referring to Figures 3 to 5 The outer frame 100 is made of soft rubber, and the inner wall of the outer frame 100 extends radially inward with an integrated elastic arm 120, and the outer wall of the control panel 200 is bonded to the end of the elastic arm 120. Based on this, when the outer surface of the tempered film 300 is pressed, the control panel 200 is moved in the pressing direction by relying on the bending deformation of the elastic arm 120. After the pressing action is released, the control panel 200 moves outward together with the tempered film 300 by relying on the rebound effect of the elastic arm to return to its original position. Furthermore, the edge of the tempered film 300 extends radially outward, and the edge portion of the tempered film 300 extending radially outward blocks the elastic arm 120, thereby enhancing the aesthetic texture of the side where the outer surface of the external control button 4 is located. The edge portion of the tempered film 300 extending radially outward is spaced from the elastic arm, and this spacing distance provides a stroke for the tempered film 300 to move in the pressing direction when pressure is applied.

[0051] In the second embodiment, referring to Figures 6 to 8 The outer frame 100 is a decorative part made of a hard material, such as metal, hard plastic, or a steel ring. The external control button 4 also includes a soft rubber ring 400, which is squeezed between the outer frame 100 and the control panel 200. The control panel 200 and the soft rubber ring 400 form an interference fit. When the tempered film 300 is pressed, the control panel 200 moves relative to the soft rubber ring 400 along the axial direction of the hollow hole 110. In this embodiment, when assembling the protective cover 1, the dispensing process step is omitted. With the help of the soft rubber ring 400, the control panel 200 can be directly embedded in the hollow hole 110 through an interference fit assembly relationship. Furthermore, the hollow hole 110 includes a first hole 111 and a second hole 112 that are axially interconnected. A step 113 is formed at the connection between the first hole 111 and the second hole 112. The radial dimension of the first hole 111 is larger than the radial dimension of the second hole 112. The soft rubber ring 400 is located in the second hole 112. The tempered film 300 is located in the first hole 111 and its edge extends radially outward. The edge of the tempered film 300 is opposite to the step 113. The step 113 is used as a stopper in the pressing direction. When the tempered film 300 is pressed, the step 113 can directly or indirectly abut against the tempered film 300 to limit the movement distance of the control panel 200 relative to the soft rubber ring 400 in the pressing direction. With such a configuration, during use, for example, when placing a mobile phone in the protective case 1, it can be prevented that the control panel 200 is pressed out of the hollow hole 110 due to user error, thereby affecting the user experience.

[0052] In the third embodiment, referring to Figures 9 to 11The outer frame 100 has a first stopper 140 extending radially inward, and the control board 200 has a second stopper 150 extending radially outward. The soft rubber ring 400 is axially restricted between the first stopper 140 and the second stopper 150 in the hollow hole 110. In this way, the soft rubber ring 400 cannot easily escape from the hollow hole 110, whether viewed from the front or back of the external control button 4.

[0053] Furthermore, in this embodiment, the outer diameter of the tempered film 300 is smaller than the inner diameter of the first stopper 140, and the tempered film 300 is movable through the hole formed by the first stopper 140. When the tempered film 300 is pressed, the tempered film 300 moves inside the first stopper 140. It should be understood that in other embodiments, for example, Figures 12 to 14 In the fourth embodiment shown, the outer diameter of the tempered film 300 can also be set to be larger than the inner diameter of the first stopper 140. The edge of the tempered film 300 is opposite to and spaced from the first stopper 140. When the tempered film 300 is pressed, the tempered film 300 approaches the first stopper 140 and overlaps the first stopper 140. In this way, during use, for example, when placing a mobile phone in the protective case 1, the control panel 200 can be prevented from being pushed out of the hollow hole 110 due to user error, thereby affecting the user experience.

[0054] refer to Figure 8 and Figure 11 In order to prevent the soft rubber ring 400 from moving when pressed, a slot 201 is provided on the outer wall of the control board 200. One side wall of the slot 201 is formed on the second stop block 150. The soft rubber ring 400 is abutted against the second stop block 150. Part of the structure of the soft rubber ring 400 is engaged in the slot 201, and the other part of the soft rubber ring 400 protrudes from the second stop block 150 and abuts against the inner wall of the outer frame 100.

[0055] In the fifth embodiment, referring to Figures 15 to 17The outer frame 100 is a decorative part made of a hard material, such as metal, hard plastic, or a steel ring. The external control button 4 also includes a fastening ring 500 and an adhesive 600 located within the hollow hole 110. The adhesive 600 includes a curved first ring body 610 and a second ring body 620. The fastening ring 500 is bonded to the outer frame 100 along the radial direction of the hollow hole 110 through the first ring body 610. The fastening ring 500 is also bonded to the outer frame 100 along the axial direction of the hollow hole 110 through the second ring body 620. The fastening ring is made of a hard material. The material of the fastening ring 500 can be the same as or different from that of the outer frame. The adhesive 600 is formed by a laminating process or by dispensing. The second ring body 620 extends to the inside of the hollow hole 110 to form an elastic arm 621. The outer wall of the control panel 200 is bonded to the end of the elastic arm 621. The elastic arm 621 of this embodiment has a more stable structure and is not easily separated during the pressing process. The elastic arm 621 is tightly combined with the frame 100 and the fastening ring 500. The frame 100 and the fastening ring 500 can also serve as decoration.

[0056] While the present invention has been described with reference to several exemplary embodiments, it should be understood that the terms used are illustrative and exemplary rather than restrictive. Since the present invention can be embodied in a variety of forms without departing from the spirit or essence of the invention, it should be understood that the above-described embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope of the appended claims. Therefore, all changes and modifications that fall within the scope of the claims or their equivalents are intended to be covered by the appended claims.

Claims

1. An external control button, characterized in that: The electronic device comprises an outer frame, a control panel and a tempered film, wherein the outer frame has a hollow hole with openings at both ends, the control panel is embedded in the hollow hole, the control panel comprises a front side and a back side arranged opposite to each other along the axial direction of the hollow hole, the control panel is provided with a plurality of spaced and insulated contact groups, each contact group comprises a first contact located on the front side of the control panel and a second contact located on the back side of the control panel, the first contact is electrically connected to the second contact; the tempered film is attached to the front side of the control panel, the tempered film is movably arranged in the hollow hole, the tempered film is pressed along the axial direction of the hollow hole toward the direction of the control panel, the tempered film and the control panel can be synchronously moved relative to the outer frame along the pressing direction; wherein, the outer wall of the outer frame is provided with a buckle groove for buckling onto the button hole of the protective shell of the electronic device, and the buckle groove is arranged around the hollow hole.

2. The external control button according to claim 1, characterized in that: The outer frame is made of soft rubber, and an inner wall of the outer frame extends radially inward to form an integral elastic arm. The outer wall of the control panel is bonded to the end of the elastic arm. When the tempered film is pressed, the elastic arm bends and deforms.

3. The external control button according to claim 2, characterized in that: The edge of the tempered film extends radially outward, the edge portion of the tempered film extending radially outward blocks the elastic arm, and the edge portion of the tempered film extending radially outward is spaced from the elastic arm.

4. The external control button according to claim 1, characterized in that: The outer frame is a decorative part made of hard material, and the external control button also includes a soft rubber ring, which is squeezed between the outer frame and the control panel. The control panel and the soft rubber ring have an interference fit; when the tempered film is pressed, the control panel moves relative to the soft rubber ring along the axial direction of the hollow hole.

5. The external control button according to claim 4, characterized in that: The hollow hole includes a first hole and a second hole that are axially interconnected, a step is formed at the connection between the first hole and the second hole, the radial dimension of the first hole is larger than the radial dimension of the second hole, the soft rubber ring is located in the second hole, the tempered film is located in the first hole and its edge extends radially outward, the edge portion of the tempered film is opposite to the step, when the tempered film is pressed, the step can directly or indirectly abut against the tempered film to limit the movement distance of the control panel relative to the soft rubber ring.

6. The external control button according to claim 4, characterized in that: The outer frame is provided with a first stopper extending radially inward, the control plate is provided with a second stopper extending radially outward, and the soft rubber ring is limited between the first stopper and the second stopper along the axial direction of the hollow hole.

7. The external control button according to claim 6, characterized in that: A card slot is provided on the outer side wall of the control panel, and one side wall of the card slot is formed on the second stop block. The soft rubber ring is abutted against the second stop block, and part of the structure of the soft rubber ring is engaged in the card slot. The other part of the soft rubber ring protrudes from the second stop block and abuts against the inner side wall of the outer frame.

8. The external control button according to claim 6, characterized in that: The outer diameter of the tempered film is smaller than the inner diameter of the first stopper, the tempered film is movably inserted into the hole formed by the first stopper, and when the tempered film is pressed, the tempered film moves inside the first stopper; or The outer diameter of the tempered film is greater than the inner diameter of the first stopper, the edge of the tempered film is opposite to and spaced from the first stopper, and the tempered film is pressed so that the tempered film approaches the first stopper.

9. The external control button according to claim 1, characterized in that: The outer frame is a decorative part made of hard material, and the external control button also includes a fastening ring and adhesive located in the hollow hole. The adhesive includes a first ring body and a second ring body that are bent. The fastening ring is bonded to the outer frame through the first ring body along the radial direction of the hollow hole, and the fastening ring is also bonded to the outer frame through the second ring body along the axial direction of the hollow hole; the second ring body extends to the inner side of the hollow hole to form an elastic arm, and the outer side wall of the control panel is bonded to the end of the elastic arm.

10. A protective cover for an electronic device, characterized in that: It includes a protective shell and the external control button according to any one of claims 1 to 9, the protective shell includes a main body and a side portion, the side portion is bent and extended from the edge of the main body, the main body and the side portion are combined to form a mounting groove for mounting an electronic device, the side portion is provided with a button hole opposite to the side electronic button of the electronic device, the external control button is installed in the button hole, the back of the control board faces the inside of the mounting groove, and the tempered film faces away from the mounting groove and exposes the button hole.

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