Shell and key structure thereof

Abstract

The utility model discloses a housing and a button structure thereof, the button structure comprises a button and a button switch receiving a pressing force of the button and outputting a switch signal, and the button switch is electrically connected with a control circuit board; a bin body is arranged on the inner wall of the shell, a first groove is formed in the side face of the bin body, and the key switch is arranged in the first groove; a through hole is formed in the connecting position of the first groove and the inner wall of the shell, and the through hole penetrates through the inner wall of the shell so that the first groove can be communicated with the outside. The first end of the key is a pressing force input end, and the stroke of the second end of the key can reach the pressing position of the key switch through the through hole; the inner wall portions, close to the two ends of the key switch, of the inner wall of the first groove are first arc-shaped faces, and the first arc-shaped faces are used for limiting the key switch. According to the utility model, the shaking of the end part of the key switch can be limited, and meanwhile, a space convenient for mounting and dismounting the key switch is reserved.

Description

TECHNICAL FIELD

[0001] The utility model relates to key structure technical field especially, relate to a shell and key structure thereof. BACKGROUND

[0002] In the field of small volume earphone charging box, the prior art 202222555958.X discloses an earphone charging box and electronic equipment, which adopts a key plus FPC to be connected to the lower circuit board, however, in the patent, the key is fixed by bonding and the FPC is very long, and the key is prone to loosening in the daily shaking of the equipment.

[0003] In the field of clocks, the key design installed on the side also needs special attention due to the very thin thickness. The prior art 201520759336.6 discloses a smart watch band assembly and a smart watch, which connects the main circuit board through a flexible circuit board and directly installs the key on the flexible circuit board, and adopts the key to protrude from the key hole to fix the position of the key, which is also prone to loosening. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem of providing a shell and key structure, which can limit the shaking of the end of the key switch.

[0005] In order to solve the above technical problems, the utility model discloses a key structure arranged on a shell, which comprises a key and a key switch receiving the pressing force output switch signal of the key, and the key switch is electrically connected with a control circuit board.

[0006] The inner wall of the shell is provided with a cavity, the side surface of the cavity is provided with a first groove, and the key switch is arranged in the first groove.

[0007] The connection part of the first groove and the inner wall of the shell is provided with a through hole, the through hole penetrates the inner wall of the shell to make the first groove communicate with the outside world, the first end of the key is a pressing force input end, and the stroke of the second end of the key can reach the pressing position of the key switch through the through hole.

[0008] The inner wall part of the first groove close to the two ends of the key switch is a first arc surface, and the first arc surface is used for limiting the key switch.

[0009] As an optional implementation, in the first aspect of the utility model, the first inner wall surface of the first groove is bonded with the back surface of the key switch, and the two ends of the first inner wall surface are respectively connected with the corresponding first arc surfaces.

[0010] The first arc-shaped surface surrounds the end of the key switch, and a first cavity is formed between the end of the key switch and the first arc-shaped surface, which is used for mounting and dismounting the key switch.

[0011] As a further optional implementation, in the first aspect of the utility model, the second end of the key is provided with a second groove, and the arc-shaped buckle is sleeved on the second groove.

[0012] As a further optional implementation, in the first aspect of the utility model, the inner wall of the first groove is provided with a second arc-shaped surface close to the inner wall part of the two ends of the arc-shaped buckle, and a second cavity is formed between the end of the arc-shaped buckle and the second arc-shaped surface, which is used for mounting and dismounting the arc-shaped buckle.

[0013] As a further optional implementation, in the first aspect of the utility model, one end of the second arc-shaped surface is connected with the first arc-shaped surface on the same side, and the other end of the second arc-shaped surface is connected with the inner wall of the shell.

[0014] As a further optional implementation, in the first aspect of the utility model, the shell comprises a first shell and a second shell, the cartridge body is arranged on the inner wall of the first shell, and the first groove is arranged on the side of the cartridge body facing the second shell.

[0015] As a further optional implementation, in the first aspect of the utility model, the first end of the key is further provided with a spring for resetting the key.

[0016] As a further optional implementation, in the first aspect of the utility model, the key is further provided with a sealing ring between the first end and the second end, and the sealing ring is located in the through hole and is in interference fit with the through hole.

[0017] As a further optional implementation, in the first aspect of the utility model, the key switch is electrically connected with the control circuit board through a flexible circuit board.

[0018] The second aspect of the utility model discloses a shell, which is provided with the key structure as described in the first aspect of the utility model.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] The utility model discloses an embodiment of the utility model through setting up the bin body on the inner wall of the shell, and the bin body is provided with the recess for accommodating the key switch, and the arc surface is designed on the end part of the recess close to the key switch to limit the shaking of the end part of the key switch, in addition, the design of the arc surface reserves the space for mounting and dismounting the key switch in the recess, and it is convenient to pick up and place by automatic mechanical hand or manual forceps and other tools. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to make the technical scheme in the embodiment of the utility model clearer, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0022] Fig. 1 It is the structure schematic diagram of the key structure disclosed by the embodiment of the utility model,

[0023] Fig. 2 It is the section structure schematic diagram of the key structure disclosed by the embodiment of the utility model,

[0024] Fig. 3 It is the partial structure schematic diagram of the key structure disclosed by the embodiment of the utility model,

[0025] Fig. 4 It is the structure schematic diagram of the key in the key structure disclosed by the embodiment of the utility model,

[0026] Fig. 5 It is the structure schematic diagram of the arc buckle in the key structure disclosed by the embodiment of the utility model. DETAILED DESCRIPTION

[0027] In order to make the technical scheme in the embodiment of the utility model clearer, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0028] Embodiment one

[0029] Referring to Figs. 1-5 The utility model embodiment discloses a kind of key structure arranged on shell 3, including key 1 and the key switch 2 of the key 1 receiving the press force output switch signal, the key switch 2 is electrically connected with control circuit board;

[0030] The inner wall of the shell 3 is provided with a bin body 4, the side of the bin body 4 is provided with a first groove 41, and the button switch 2 is arranged in the first groove 41.

[0031] The connecting part of the first groove 41 and the inner wall of the shell 3 is provided with a through hole 31, the through hole 31 penetrates the inner wall of the shell 3 to communicate the first groove 41 with the outside; the first end of the button 1 is a pressing force input end, and the stroke of the second end of the button 1 can reach the pressing position of the button switch 2 through the through hole 31.

[0032] The inner wall part of the first groove 41 close to the two ends of the button switch 2 is a first arc surface 411, and the first arc surface 411 is used for limiting the shaking of the end of the button switch 2.

[0033] The utility model discloses an embodiment through setting bin body on the inner wall of shell, and the bin body is opened the groove for accommodating button switch, and designs the arc surface at the end part close to button switch on the groove to limit the shaking of the end of button switch, in addition, the design of arc surface reserves the space of button switch for installation and removal in the groove, and it is convenient to take and place through automatic mechanical hand or manual tweezers and the like tool.

[0034] In an optional embodiment, the first inner wall surface 412 of the first groove 41 is attached to the back of the button switch 2, and the two ends of the first inner wall surface 412 are respectively connected to the corresponding first arc surfaces 411.

[0035] The first arc surface 411 surrounds the end of the button switch 2, and a first cavity is formed between the end of the button switch 2 and the first arc surface 411, which is used for the installation and removal of the button switch 2.

[0036] In still another optional embodiment, an arc-shaped buckle 5 is further included, a second groove 11 is arranged on the second end of the button 1, and the arc-shaped buckle 5 is sleeved on the second groove 11; the size of the arc-shaped buckle 5 is designed to be unable to pass through the through hole 31.

[0037] In still another optional embodiment, the inner wall part of the first groove 41 close to the two ends of the arc-shaped buckle 5 is designed as a second arc surface 413, and a second cavity is formed between the end of the arc-shaped buckle 5 and the second arc surface 413, which is used for the installation and removal of the arc-shaped buckle 5.

[0038] In the embodiment, the step-shaped groove design of the first arc surface 411 and the second arc surface 413 not only facilitates the installation and removal of the button switch, but also facilitates the installation and removal of the arc-shaped buckle. Since the two do not conflict, they can be performed simultaneously to improve efficiency.

[0039] In another optional embodiment, one end of the second arc surface 413 is connected with the first arc surface 411 on the same side, and the other end of the second arc surface 413 is connected with the inner wall of the shell 3.

[0040] In another optional embodiment, the shell 3 comprises a first shell (the first shell in the drawings is 3) and a second shell (not shown in the drawings), the cartridge body 4 is arranged on the inner wall of the first shell, and the first recess 41 is arranged on the side of the cartridge body 4 facing the second shell. The first shell and the second shell are buckled to form the entire shell.

[0041] In another optional embodiment, the first end of the key 1 is further provided with a spring 12 for resetting the key 1.

[0042] In another optional embodiment, the key 1 is further provided with a sealing ring 13 (sleeved on the recess 14) between the first end and the second end, and the sealing ring 13 is located in the through hole 31 and is in interference fit with the through hole 31.

[0043] In another optional embodiment, the key switch 2 is electrically connected with the control circuit board through a flexible circuit board 6. In the embodiment of the utility model, the key switch 2 comprises a circuit board 21 with a certain hardness and a key switch button part 22 with a certain hardness, so as to be fixed through the first recess 41, that is, the key part (hard) + FPC (soft).

[0044] Embodiment two

[0045] The embodiment of the utility model discloses a kind of shells, which are provided with the key structure as described in embodiment one.

[0046] The content disclosed in the embodiment of the utility model is only the preferred embodiment of the utility model, and is used to illustrate the technical scheme of the utility model, not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical scheme recorded in the foregoing embodiments can be modified or some technical features can be replaced equivalently. These modifications or replacements do not change the essence of the corresponding technical scheme, and do not deviate from the spirit and scope of the technical scheme of the embodiments of the utility model.

Claims

1. A key structure arranged on a shell, comprising a key and a key switch receiving a pressing force of the key to output a switch signal, the key switch being electrically connected with a control circuit board; characterized in that, an inner wall of the shell is provided with a housing, a side of the housing is provided with a first groove, and the key switch is arranged in the first groove; a through hole is arranged at a connection between the first groove and the inner wall of the shell, the through hole penetrating the inner wall of the shell to make the first groove communicate with the outside; a first end of the key is a pressing force input end, and a stroke of a second end of the key can reach a pressing position of the key switch through the through hole; inner wall portions of the first groove near two ends of the key switch are first arc surfaces, and the first arc surfaces are used for limiting the key switch.

2. The key structure according to claim 1, wherein a first inner wall surface of the first groove is attached to a back surface of the key switch, and two ends of the first inner wall surface are connected with corresponding first arc surfaces respectively; the first arc surfaces surround end portions of the key switch, and a first cavity is arranged between the end portions of the key switch and the first arc surfaces, the first cavity being used for mounting and dismounting the key switch.

3. The key structure according to claim 1, wherein an arc-shaped buckle is further included, a second groove is arranged on the second end of the key, the arc-shaped buckle is sleeved on the second groove, and a size of the arc-shaped buckle is designed to be unable to penetrate the through hole.

4. The key structure according to claim 3, wherein inner wall portions of the first groove near two ends of the arc-shaped buckle are second arc surfaces, a second cavity is arranged between an end portion of the arc-shaped buckle and the second arc surfaces, and the second cavity is used for mounting and dismounting the arc-shaped buckle.

5. The key structure according to claim 4, wherein one end of the second arc surface is connected with the first arc surface on the same side, and the other end of the second arc surface is connected with the inner wall of the shell.

6. The key structure according to claim 1, wherein the shell comprises a first shell and a second shell, the housing is arranged on an inner wall of the first shell, and the housing is provided with the first groove on a side facing the second shell.

7. The key structure according to claim 3, wherein the first end of the key is further provided with a spring used for resetting the key.

8. The key structure according to claim 3, wherein the key is further provided with a sealing ring between the first end and the second end, the sealing ring is located in the through hole and is in interference fit with the through hole.

9. The key structure according to claim 1, wherein the key switch is electrically connected with the control circuit board through a flexible circuit board.

10. A housing characterized by, the shell is provided with the key structure according to any one of claims 1 to 9.

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