Key structure

Abstract

The utility model discloses a button structure, which is matched with a circuit board, the circuit board is provided with a switch, the button structure comprises an outer cover, the inner side surface of the outer cover extends downwards to form two retaining walls; the bottom cover is arranged below the outer cover; the button is arranged between the outer cover and the bottom cover, the button is provided with a body part, the left side and the right side of the front end of the body part extend forwards to form two elastic arms, the two elastic arms abut against the blocking wall, a connecting arm is connected between the two elastic arms, the connecting arm abuts against the inner side face of the outer cover, and the button is arranged on the bottom cover. The middle of the front end of the body part extends forwards to form an extending part, the extending part is located between the two elastic arms and the connecting arm and abuts against the switch, and a button is arranged on the upper surface of the body part and protrudes out of the outer side face of the outer cover. Therefore, the key structure can be assembled stably.

Description

Technical Field

[0001] The utility model relates to a key structure, in particular to a key structure with stable assembly. Background Art

[0002] The power button is a standard component in a game controller, and the power button abuts against a switch on a circuit board. When the power button is pressed down, the power button triggers the switch, causing the game controller to perform corresponding actions. After the button is released, the button returns to its initial position by the elastic force of the switch.

[0003] Chinese Patent Publication No. 209675170 discloses "a slot-type button and a projector". The slot-type button includes: a mounting plate, a hinge block, a strip-shaped lamp holder, a strip-shaped light source, and a connecting shaft. The slot-type button of the utility model is cooperatively connected with a first mounting portion arranged on a mounting surface. The slot-type button includes a button body, and the button body is connected with a second mounting portion through an elastic arm. The second mounting portion is inserted and connected with the first mounting portion.

[0004] Due to manufacturing tolerance factors, there is an easy gap between the second mounting portion and the first mounting portion of the above slot-type button, and it is easy to generate shaking when using the button, affecting the feel.

[0005] Therefore, it is necessary to provide a key structure with stable assembly. Summary of the Invention

[0006] The purpose of the utility model is to provide a key structure aiming at the defects and deficiencies existing in the prior art.

[0007] To achieve the above purpose, the utility model discloses a key structure, which is cooperated with a circuit board. The circuit board is provided with a switch. The key structure includes: an outer cover, two retaining walls extend downward from the inner side surface of the outer cover; a bottom cover, arranged below the outer cover; and a key, arranged between the outer cover and the bottom cover. The key is provided with a body portion. The left and right sides at the front end of the body portion extend forward to form two elastic arms. The two elastic arms abut against the retaining walls. A connecting arm is connected between the two elastic arms. The connecting arm abuts against the inner side surface of the outer cover. The middle at the front end of the body portion extends forward to form an extension portion. The extension portion is located between the two elastic arms and the connecting arm. The extension portion abuts against the switch. A button is arranged on the upper surface of the body portion. The button protrudes from the outer side surface of the outer cover.

[0008] As a further improvement, each of the elastic arms is provided with a first extension arm, a bending portion and a second extension arm. The left and right sides of the front end of the body portion respectively extend forward to form the first extension arm. The front end of the first extension arm bends outward and then inward to form the bending portion. The bending portion abuts against the two retaining walls. The front end of the bending portion extends forward to form the second extension arm. The connecting arm is connected between the two front ends of the two second extension arms.

[0009] As a further improvement, a through groove is formed between the extension portion and the elastic arm. A notch is formed on the inner side surface of the bending portion. The notch is located between the bending portion and the extension portion. The notch communicates with the through groove.

[0010] As a further improvement, a first convex block extends downward from the inner side surface of the outer cover. The first convex block is disposed between the two retaining walls. The connecting arm is located below the first convex block. A first protruding portion extends upward from the middle of the upper surface of the connecting arm. The first protruding portion abuts against the first convex block.

[0011] As a further improvement, a second protruding portion extends downward from the front end of the lower surface of the extension portion. The second protruding portion abuts against the switch.

[0012] As a further improvement, the bottom cover is provided with a top surface. The top surface is recessed downward to form a first concave portion. The rear end of the body portion is disposed in the first concave portion. A fixing portion extends upward from the rear end of the body portion. The fixing portion is disposed on the top surface. The fixing portion is disposed above the first concave portion.

[0013] As a further improvement, the top surface is recessed downward to form a second concave portion. The second concave portion is connected to the first concave portion. The body portion is disposed above the second concave portion. A stop portion extends upward from the front end of the second concave portion. The button is disposed on the stop portion.

[0014] As a further improvement, the outer cover is composed of a base portion and an inclined portion. The front end of the base portion extends obliquely downward to form the inclined portion. The inclined portion is located on the front side of the circuit board. The base portion is located on the rear side of the circuit board. The body portion is disposed on the lower surface of the base portion. The two elastic arms, the connecting arm and the extension portion are disposed on the lower surface of the inclined portion. The bottom cover is disposed on the lower surface of the base portion. The inner side surface of the inclined portion extends downward to form the first convex block and the two retaining walls.

[0015] As a further improvement, a keyhole penetrating the upper and lower surfaces of the base is provided on the base, the button is disposed in the keyhole, two positioning holes penetrating the left and right surfaces of the base are respectively provided on the left and right sides of the base, and two positioning portions extending upward are respectively formed at the left and right ends of the upper surface of the bottom cover, and the two positioning portions are disposed in the two positioning holes.

[0016] As a further improvement, the present utility model discloses a key structure, including: a main body portion; an extension portion extending forward from the middle of the front end of the main body portion; a pair of elastic arms extending forward from the left and right sides of the front end of the main body portion, each elastic arm being provided with a first extension arm, a bent portion and a second extension arm, the first extension arms being respectively formed by extending forward from the left and right sides of the front end of the main body portion, the front end of the first extension arm being bent outward to form the bent portion, and the front end of the bent portion extending forward to form the second extension arm; a connecting arm connected between the two second extension arms; and a button extending on the surface of the main body portion.

[0017] As described above, the bent portion of the key of the key structure of the present utility model abuts against the retaining wall of the outer cover, and the two bent portions are used to prevent the key from shaking left and right. The first protruding portion abuts against the first convex block of the outer cover, and the first protruding portion is used to prevent the key from shaking upward. The second protruding portion abuts against the switch of the circuit board, and the second protruding portion of the key is used to prevent the key from shaking downward. Therefore, the key of the key structure of the present utility model can be stably assembled. Description of the Drawings

[0018] Figure 1 It is a combined view of the key structure of the present utility model and the circuit board.

[0019] Figure 2 It is an exploded view of the key structure of the present utility model and the circuit board.

[0020] Figure 3 It is a schematic view of the key structure of the present utility model and the circuit board.

[0021] Figure 4 It is a sectional view of the key structure of the present utility model along Figure 3 section line IV-IV.

[0022] Figure 5 It is a perspective view of the key structure of the present utility model.

[0023] Figure 6 It is an exploded view of the key structure of the present utility model.

[0024] Figure 7 It is an exploded view of the key structure of the present utility model from another angle.

[0025] Figure 8 This is a perspective view of the button of the button structure of the present utility model.

[0026] Figure 9 This is the button structure of the present utility model along Figure 5 Partial enlarged view of X1.

[0027] Figure 10 This is a schematic view of the button structure of the present utility model.

[0028] Figure 11 This is the button structure of the present utility model along Figure 10 Cross-sectional view taken along line XI-XI.

[0029] The reference numerals in the figures are explained as follows.

[0030] Button structure 100 Outer cover 11

[0031] Base 111 Tapered portion 112

[0032] First protrusion 113 Stop wall 114

[0033] Perforation 115 Button hole 116

[0034] Positioning hole 117 Second protrusion 118

[0035] Button 12 Body portion 121

[0036] Elastic arm 122 First extension arm 1221

[0037] Bending portion 1222 Second extension arm 1223

[0038] Notch 1224 Connecting arm 123

[0039] Extension portion 124 Fixed portion 125

[0040] Button 126 First protruding portion 127

[0041] Second protruding portion 128 Through slot 129

[0042] Bottom cover 13 Top surface 130

[0043] First recess 131 Second recess 132

[0044] Positioning portion 133 Hollow area 134

[0045] Stop portion 135 Circuit board 200

[0046] Interface 21 Switch 22 Detailed implementation manners

[0047] To describe in detail the technical content, structural features, achieved objectives and functions of the button structure 100 of the present utility model, the following examples are hereby cited and described in detail in conjunction with the drawings.

[0048] Please refer to Figures 1 to 4 , the button structure 100 of the present utility model is cooperated with a circuit board 200. The button structure 100 of the present utility model is disposed above the circuit board 200. Please refer to Figures 5 to 11 , the button structure 100 of the present utility model is provided with an outer cover 11, a button 12 and a bottom cover 13. The outer cover 11 is disposed on the upper surface of the button 12. The button 12 is disposed on the upper surface of the bottom cover 13. The button 12 is disposed between the outer cover 11 and the bottom cover 13.

[0049] The outer cover 11 is disposed above the circuit board 200. The outer cover 11 is composed of a base portion 111 and an inclined portion 112. One end of the base portion 111 extends obliquely to form the inclined portion 112. In this embodiment, the inclined portion 112 is disposed on the front side of the circuit board 200, and the base portion 111 is disposed on the rear side of the circuit board 200. The button 12 is disposed on the lower surface of the base portion 111 and the lower surface of the inclined portion 112. The bottom cover 13 is disposed below the base portion 111, and the bottom cover 13 is disposed on the rear side of the circuit board 200.

[0050] The outer cover 11 is provided with a first convex block 113, two blocking walls 114, a through hole 115, a button hole 116, two positioning holes 117 and several second convex blocks 118. The inner side surface of the inclined portion 112 of the outer cover 11 extends downward to form the first convex block 113. The corresponding mechanism of the button 12 abuts against the first convex block 113 to achieve positioning and fixation of the outer cover 11 and the button 12. The inner side surface of the inclined portion 112 of the outer cover 11 extends downward to form two blocking walls 114. The first convex block 113 is disposed between the two blocking walls 114. The corresponding mechanism of the button 12 abuts against the two blocking walls 114 to achieve positioning and fixation of the outer cover 11 and the button 12. The inclined portion 112 is provided with the through hole 115 penetrating the upper and lower surfaces of the inclined portion 112. The corresponding mechanism of the circuit board 200 is disposed in the through hole 115.

[0051] The base portion 111 of the outer cover 11 is provided with the key hole 116 penetrating the upper and lower surfaces of the base portion 111. The corresponding mechanism of the key 12 is disposed within the key hole 116 to achieve positioning and fixation of the outer cover 11 and the key 12. The left and right sides of the base portion 111 are respectively provided with two positioning holes 117 penetrating the left and right surfaces of the base portion 111. The corresponding mechanism of the bottom cover 13 is disposed within the two positioning holes 117 to achieve positioning and fixation of the outer cover 11 and the bottom cover 13. The inner side surface of the base portion 111 of the outer cover 11 extends downward to form several second bumps 118. The corresponding mechanism of the bottom cover 13 abuts against the second bumps 118.

[0052] The key 12 is provided with a body portion 121, two elastic arms 122, a connecting arm 123, an extension portion 124, a fixing portion 125, a button 126, a first protruding portion 127 and a second protruding portion 128. The body portion 121 is disposed on the lower surface of the base portion 111 of the outer cover 11. The middle of the front end of the body portion 121 extends forward to form the extension portion 124. The left and right sides of the front end of the body portion 121 extend forward, then bend outward, then bend inward, and then extend forward to form two elastic arms 122. The two elastic arms 122 are disposed on the lower surface of the inclined portion 112 of the outer cover 12. The two elastic arms 122 abut against the retaining wall 114 of the outer cover 11 to achieve positioning and fixation of the key 12 and the outer cover 11. The two elastic arms 122 are used to prevent the key 12 from shaking left and right. A connecting arm 123 is connected between the two front ends of the two elastic arms 122. The connecting arm 123 is disposed on the lower surface of the inclined portion 112 of the outer cover 12. The connecting arm 123 corresponds to the first bump 113 of the outer cover 11, and the connecting arm 123 is disposed below the first bump 113 of the outer cover 11. The extension portion 124 is located between the two elastic arms 122 and the connecting arm 123. A through slot 129 is formed between the extension portion 124 and the elastic arms 122. The through slot 129 is used to provide a space for elastic deformation of the elastic arms 122. When the elastic arms 122 abut against the retaining wall 114 of the outer cover 11, the elastic arms 122 are deformed toward the extension portion 124 under extrusion.

[0053] Each of the elastic arms 122 is provided with a first extension arm 1221, a bending portion 1222, and a second extension arm 1223. The left and right sides of the front end of the main body portion 121 extend forward respectively to form the first extension arm 1221. The front end of the first extension arm 1221 bends outward and then bends inward to form the bending portion 1222. The bending portion 1222 abuts against the retaining wall 114 of the outer cover 11 to achieve positioning and fixing of the button 12 and the outer cover 11. The two bending portions 1222 are used to prevent the button 12 from shaking left and right. The front end of the bending portion 1222 extends forward to form the second extension arm 1223. A connecting arm 123 is connected between the two front ends of the two second extension arms 1223. An indentation 1224 is formed inside the bending portion 1222. In this embodiment, the indentation 1224 is located between the bending portion 1222 and the extension portion 124. The indentation 1224 is used to provide a space for elastic deformation of the bending portion 1222. The indentation 1224 communicates with the through groove 129. When the bending portion 1222 abuts against the retaining wall 114 of the outer cover 11, the bending portion 1222 is deformed by extrusion.

[0054] The extension portion 124 is disposed on the lower surface of the inclined portion 112 of the outer cover 12. The rear end of the main body portion 121 extends upward to form a fixing portion 125. The fixing portion 125 is disposed on the upper surface of the bottom cover 13 and abuts against the inner side surface of the base portion 111 of the outer cover 1. The upper surface of the main body portion 121 extends upward to form a button 126. The button 126 is disposed in the button hole 116 of the outer cover 11.

[0055] A first protrusion 127 extends upward from the middle of the upper surface of the connecting arm 123. The first protrusion 127 abuts against the first bump 113 of the outer cover 11 to achieve positioning and fixing of the button 12 and the outer cover 11. The first protrusion 127 is used to prevent the button 12 from shaking upward.

[0056] The front end of the lower surface of the extension portion 124 extends downward to form a second protrusion 128. The second protrusion 128 abuts against the corresponding mechanism of the circuit board 200 to achieve positioning and fixing of the button structure 100 of the present invention and the circuit board 200. The second protrusion 128 is used to prevent the button 12 from shaking downward.

[0057] The bottom cover 13 is provided with a top surface 130, a first recess 131, a second recess 132, two positioning portions 133 and a stop portion 135. The top surface 130 abuts against the second bump 118 of the outer cover 1, forming a space between the bottom cover 13 and the outer cover 1 for receiving the fixing portion 125 of the button 12. The fixing portion 125 of the button 12 is disposed on the top surface 130. The fixing portion 125 is disposed on one side of the second bump 118 of the outer cover 1. The top surface 130 is recessed downward to form the first recess 131. The rear end of the main body portion 121 of the button 12 is disposed in the first recess 131. The fixing portion 125 of the button 12 is disposed above the first recess 131.

[0058] The top surface 130 of the bottom cover 13 is recessed downward to form the second recess 132. The second recess 132 is connected to the first recess 131. The main body portion 121 of the button 12 is disposed above the second recess 132. A hollow area 134 is formed between the main body portion 121 of the button 12 and the second recess 132. The front end of the second recess 132 extends upward to form the stop portion 135. When the button 12 is pressed, the main body portion 121 deforms toward the second recess 132, and the hollow area 134 serves as a clearance space when the main body portion 121 deforms. When the button 12 is pressed, the button 126 of the button 12 abuts against the stop portion 135, and the stop portion 135 is used to prevent the button 126 from being continuously pressed down to damage the button 12. The two elastic arms 122, the connecting arm 123 and the extension portion 124 of the button 12 extend out of the stop portion 135 and are exposed at the front end of the bottom cover 13.

[0059] The left and right ends of the top surface 130 of the bottom cover 13 respectively extend upward to form the two positioning portions 133. The two positioning portions 133 are disposed in the two positioning holes 117 of the base portion 111 of the outer cover 11 to achieve positioning and fixation of the bottom cover 13 and the outer cover 11.

[0060] An interface 21 and a switch 22 are provided at the upper end of the circuit board 200. The interface 21 is provided at the upper end of the front surface of the circuit board 200, and the interface 21 is inserted into the through hole 115 to achieve the positioning and fixation of the circuit board 200 and the button structure 100 of the present invention. The extension portion 124 of the button 12 corresponds to the switch 22, and the second protrusion 128 of the button 12 abuts against the switch 22 to achieve the positioning and fixation of the circuit board 200 and the button structure 100 of the present invention. The second protrusion 128 of the button 12 is used to prevent the button 12 from shaking downward. When the button 126 of the button 12 is pressed, the second protrusion 128 of the button 12 presses down the switch 22.

[0061] As described above, the bent portions 1222 of the button 12 of the button structure 100 of the present invention abut against the retaining wall 114 of the outer cover 11, and the two bent portions 1222 are used to prevent the button 12 from shaking left and right. The first protrusion 127 abuts against the first bump 113 of the outer cover 11, and the first protrusion 127 is used to prevent the button 12 from shaking upward. The second protrusion 128 abuts against the switch 22 of the circuit board 200, and the second protrusion 128 of the button 12 is used to prevent the button 12 from shaking downward. Therefore, the button 12 of the button structure 100 of the present invention can be stably assembled.

Claims

1. A key structure is provided, which is adapted to a circuit board. The circuit board is provided with a switch, and is characterized in that, The key structure includes: an outer cover, two retaining walls extending downward from the inner side surface of the outer cover; a bottom cover disposed below the outer cover; and a key disposed between the outer cover and the bottom cover. The key has a body portion, and the left and right sides of the front end of the body portion extend forward to form two elastic arms. The two elastic arms abut against the retaining walls, and a connecting arm is connected between the two elastic arms. The connecting arm abuts against the inner side surface of the outer cover. The middle of the front end of the body portion extends forward to form an extension portion. The extension portion is located between the two elastic arms and the connecting arm. The extension portion abuts against the switch. A button is provided on the upper surface of the body portion, and the button protrudes from the outer side surface of the outer cover.

2. The key structure according to claim 1, wherein: Each elastic arm has a first extension arm, a bending portion, and a second extension arm. The left and right sides of the front end of the body portion extend forward to form the first extension arms respectively. The front end of the first extension arm bends outward and then inward to form the bending portion. The bending portion abuts against the two retaining walls. The front end of the bending portion extends forward to form the second extension arm. The connecting arm is connected between the two front ends of the two second extension arms.

3. The key structure according to claim 2, characterized in that: A through slot is formed between the extension portion and the elastic arm. A notch is formed on the inner side surface of the bending portion. The notch is located between the bending portion and the extension portion. The notch communicates with the through slot.

4. The key structure according to claim 1, wherein: A first convex block extends downward from the inner side surface of the outer cover. The first convex block is disposed between the two retaining walls. The connecting arm is located below the first convex block. A first protruding portion extends upward from the middle of the upper surface of the connecting arm. The first protruding portion abuts against the first convex block.

5. The key structure according to claim 1, wherein: A second protruding portion extends downward from the front end of the lower surface of the extension portion. The second protruding portion abuts against the switch.

6. The key structure according to claim 1, characterized in that: The bottom cover has a top surface. A first concave portion is formed by the top surface recessing downward. The rear end of the body portion is disposed in the first concave portion. A fixing portion extends upward from the rear end of the body portion. The fixing portion is disposed on the top surface. The fixing portion is disposed above the first concave portion.

7. The key structure according to claim 6, characterized in that: A second concave portion is formed by the top surface recessing downward. The second concave portion is connected to the first concave portion. The body portion is disposed above the second concave portion. A stop portion extends upward from the front end of the second concave portion. The button is disposed above the stop portion.

8. The key structure according to claim 4, wherein: The outer cover is composed of a base portion and an inclined portion. The front end of the base portion extends obliquely downward to form the inclined portion. The inclined portion is located on the front side of the circuit board. The base portion is located on the rear side of the circuit board. The body portion is disposed on the lower surface of the base portion. The two elastic arms, the connecting arm, and the extension portion are disposed on the lower surface of the inclined portion. The bottom cover is disposed on the lower surface of the base portion. The inner side surface of the inclined portion extends downward to form the first convex block and the two retaining walls.

9. The key structure according to claim 8, characterized in that: The base is provided with a keyhole penetrating the upper and lower surfaces of the base, the button is disposed in the keyhole, and two positioning holes penetrating the left and right surfaces of the base are respectively provided on the left and right sides of the base. Two positioning portions are respectively formed by upward extension at the left and right ends of the upper surface of the bottom cover, and the two positioning portions are disposed in the two positioning holes.

10. A key structure, characterized in that, Comprising: A main body portion; an extension portion extending forward from the middle of the front end of the main body portion; a pair of elastic arms extending forward from the left and right sides of the front end of the main body portion, each elastic arm being provided with a first extension arm, a bending portion and a second extension arm. The first extension arms are respectively formed by forward extension from the left and right sides of the front end of the main body portion. The front end of the first extension arm is bent outward to form the bending portion, and the front end of the bending portion extends forward to form the second extension arm; a connecting arm connecting between the two second extension arms; and a button extending on the surface of the main body portion.

Images