Bottom shell assembly and keyboard

Abstract

The utility model provides a bottom shell assembly and a keyboard, and the bottom shell assembly comprises a bottom shell, the bottom surface of which is provided with a mounting port; the sleeve frame is separably arranged at the mounting opening; the supporting legs are pivoted to the front surface of the sleeve frame and can be switched between a folded state and an unfolded state; the circuit board is detachably fixed on the back surface of the sleeve frame; a wiring terminal is arranged on the circuit board; when the circuit board is fixed on the sleeve frame, the wiring terminal can be aligned with a wire outlet inserted into the keyboard. According to the bottom shell assembly provided by the invention, the mounting opening is formed in the bottom shell, the sleeve frame is arranged at the mounting opening, and the supporting legs are rotatably mounted on the sleeve frame, so that the bottom shell assembly can be suitable for bottom shells made of different materials, and the adaptability is improved; the circuit board and the sleeve frame are fixed together, so that internal parts of the keyboard are more compact in structure, the installation of the circuit board on the sleeve frame can be adaptively adjusted according to the forming position of a specific wire outlet of the keyboard so as to adapt to the keyboard with the wire outlet at different positions, and the adaptability is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of keyboards, and more particularly to a bottom shell assembly and a keyboard. BACKGROUND

[0002] The existing keyboard adjusts the supporting angle of the keyboard mostly through a flipable foot support to adjust the angle. Since the foot support and the bottom shell are matched through a shaft and a specific profile shaft hole structure, the foot support can be switched between the storage position and the outward turning position. However, the bottom shell of the keyboard is mostly made of plastic, the foot support is rotatably installed on the bottom shell of the keyboard, and the variability is small, which cannot adapt to the personalized needs. When the bottom shell is made of metal material, the installation matching part of the bottom shell corresponding to the foot support is difficult to form, which cannot adapt to the market demand. Furthermore, the circuit board inside the keyboard for wiring needs to be adjusted according to the position of the outlet, and the adaptability is insufficient. CONTENT OF THE UTILITY MODEL

[0003] The purpose of the embodiment of the application is to provide a bottom shell assembly and a keyboard which can be installed on the bottom shell of a keyboard of different materials.

[0004] To achieve the above purpose, the technical scheme adopted by the application is to provide a bottom shell assembly, comprising:

[0005] a bottom shell, a bottom surface of which is provided with a mounting port;

[0006] a sleeve frame which is detachably arranged at the mounting port, a front surface of the sleeve frame being recessed to form a containing groove;

[0007] a supporting foot which is pivotally connected to the front surface of the sleeve frame and can be switched between a folded state and an unfolded state, the supporting foot being accommodated in the containing groove when being in the folded state, and at least a part of the supporting foot extending out of the containing groove when being in the unfolded state;

[0008] a circuit board which is detachably fixed to a back surface of the sleeve frame, the circuit board being provided with a wiring terminal;

[0009] When the circuit board is fixed to the sleeve frame, the wiring terminal can be aligned and inserted into an outlet of the keyboard.

[0010] In an embodiment, the back surface of the sleeve frame is provided with a plurality of wiring columns, the circuit board is provided with a plurality of mounting holes matched with the wiring columns, and at least two wiring columns are inserted into corresponding two mounting holes to position and fix the circuit board to the back surface of the sleeve frame.

[0011] In an embodiment, the back surface of the sleeve frame is provided with two wiring columns, the two wiring columns are located on a side of the sleeve frame adjacent to the keyboard provided with an outlet, and the circuit board is fixed to the back surface of the sleeve frame through the two wiring columns.

[0012] In one embodiment, the sleeve is provided with two groups of the terminal posts, the first group has two terminal posts and is located at one end close to the front side of the keyboard, for the terminal posts to be inserted into the wire outlet on the front side of the keyboard after the circuit board is installed, the second group has three terminal posts, one of which is located at one end close to the front side of the keyboard and is arranged staggered with the terminal posts of the first group, and the other two are located at opposite sides of the sleeve close to the middle, so as to adapt the L-shaped circuit board to be installed on the back of the sleeve, and make the terminal posts to be inserted into the wire outlet on the side of the keyboard, the L-shaped circuit board comprises a first plate body and a second plate body connected at right angles, and the first plate body and the second plate body are respectively provided with one mounting hole.

[0013] In one embodiment, the periphery of the sleeve is provided with a frame, the terminal posts are arranged on the back of the frame, and the frame is abutted on and shielded by the bottom shell.

[0014] In one embodiment, the sleeve is buckled on the bottom shell or connected to the bottom shell by screws.

[0015] In one embodiment, the opposite two side walls in the accommodating groove are respectively provided with shaft holes, and the two sides of one end of the supporting leg are respectively provided with rotating shafts which are rotatably inserted into the shaft holes.

[0016] In one embodiment, the supporting leg is provided with a plurality of supporting legs which are mutually nested.

[0017] In one embodiment, the bottom shell is a metal shell or a plastic shell.

[0018] A keyboard comprising the above bottom shell assembly.

[0019] The bottom shell assembly provided by the present application has the advantages that, compared with the prior art, the bottom shell assembly of the present application is provided with a mounting hole on the bottom shell, a sleeve is arranged at the mounting hole, and the supporting leg is rotatably mounted on the sleeve, so that the bottom shell of the keyboard of different materials can be adapted, and the adaptability is improved; the circuit board and the sleeve are fixed together, so that the internal structure of the keyboard is more compact, the installation of the circuit board on the sleeve can be adaptively adjusted according to the opening position of the wire outlet of the keyboard, so as to adapt to the keyboard with the wire outlet in different positions, and the adaptability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiments or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0021] Figure 1 A perspective view of the keyboard provided by an embodiment of the present application;

[0022] Figure 2 A perspective view of the keyboard provided by an embodiment of the present application; Figure 1 A perspective view of the keyboard provided by an embodiment of the present application;

[0023] Figure 3 A perspective view of the keyboard provided by an embodiment of the present application; Figure 1 An exploded view of the keyboard provided by an embodiment of the present application;

[0024] Figure 4 An exploded view of the keyboard provided by an embodiment of the present application; Figure 1 An assembly view of the sleeve and the supporting legs of the keyboard provided by an embodiment of the present application, wherein the supporting legs are in an unfolded state;

[0025] Figure 5 A perspective view of the sleeve of the keyboard provided by an embodiment of the present application; Figure 1

[0026] An assembly view of the sleeve and the circuit board of the keyboard provided by an embodiment of the present application; Figure 6 Figure 3 Figure 1 An assembly view of the sleeve and the circuit board of the keyboard provided by an embodiment of the present application;

[0027] Figure 7 A perspective view of the keyboard provided by another embodiment of the present application; Figure 3 A perspective view of the keyboard provided by another embodiment of the present application; Figure 2

[0028] An exploded view of the keyboard provided by another embodiment of the present application; Figure 8

[0029] An exploded view of the keyboard provided by another embodiment of the present application; Figure 9 Figure 8 An assembly view of the sleeve and the supporting legs of the keyboard provided by another embodiment of the present application, wherein the supporting legs are in a folded state;

[0030] Figure 10 Figure 9 A perspective view of the sleeve of the keyboard provided by another embodiment of the present application;

[0031] Figure 11 An assembly view of the sleeve and the circuit board of the keyboard provided by another embodiment of the present application; Figure 8

[0032] An assembly view of the sleeve and the circuit board of the keyboard provided by another embodiment of the present application; Figure 12 Figure 9 An exploded view of the keyboard provided by another embodiment of the present application;

[0033] Figure 13 Figure 8 An exploded view of the keyboard provided by another embodiment of the present application;

[0034] Figure 14 An exploded view of the sleeve and the supporting legs provided by another embodiment of the present application. Figure 10

[0035] ​​​​​​​In the drawings:

[0036] 1 - keyboard; 10 - bottom shell; 11 - bottom cover; 12 - mounting port; 13 - wire outlet; 14 - positioning rod; 20 - sleeve frame; 30 - support leg; 40 - circuit board; 21 - accommodating groove; 22 - frame; 210 - shaft hole; 23 - terminal post; 231 - first terminal post; 232 - second terminal post; 31 - rotating shaft; 41 - terminal; 42 - mounting hole; 43 - positioning hole; 44 - first plate body; 45 - second plate body. DETAILED DESCRIPTION

[0037] In order to make the technical problems to be solved by the present application, the technical solutions and beneficial effects clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not intended to limit the present application.

[0038] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0039] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0040] In addition, the terms "first", "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0041] Please refer to Figures 1 to 3The bottom shell assembly provided by the embodiment of the present application is described as follows. The bottom shell assembly comprises a bottom shell 10, a sleeve frame 20, a supporting leg 30 and a circuit board 40. The bottom surface of the bottom shell 10 is provided with a mounting opening 12. The bottom shell 10 is provided with a detachable bottom cover 11, which is a metal cover. The sleeve frame 20 and the supporting leg 30 are both plastic parts. The two ends of the bottom cover 11 in the length direction are respectively provided with mounting openings 12. The sleeve frame 20 can be fixedly installed with the bottom shell 10 through buckling or can be fixedly installed with the bottom shell 10 through screws. Understandably, the bottom cover 11 can also be a plastic part, and the sleeve frame 20 and the supporting leg 30 can also be metal parts.

[0042] Referring to Figures 2 to 4 The sleeve frame 20 is detachably arranged at the mounting opening 12. The sleeve frame 20 has opposite front and back surfaces. The front surface of the sleeve frame 20 is the surface away from the keyboard 1 provided with the keys. The front surface of the sleeve frame 20 is recessed to form a receiving groove 21. The supporting leg 30 is pivotally connected to the front surface of the sleeve frame 20. The supporting leg 30 can be switched between a folded state and an unfolded state. The supporting leg 30 is accommodated in the receiving groove 21 when in the folded state. At least a part of the supporting leg 30 extends out of the receiving groove 21 when in the unfolded state. Understandably, when the keyboard 1 does not need the supporting leg 30, the mounting opening 12 of the bottom shell 10 can be filled flat, which can meet more market individualization needs.

[0043] Referring to Figures 4 to 7 The opposite two sides of one end of the supporting leg 30 are respectively provided with pivots 31. The opposite two sides of the receiving groove 21 of the sleeve frame 20 are provided with shaft holes 210. The shaft holes 210 can be blind holes or through holes. The pivots 31 of the supporting leg 30 are adapted to the shaft holes 210 of the sleeve frame 20. The pivots 31 can rotate in the shaft holes 210. Thus, the pivots 31 and the shaft holes 210 are matched to realize the pivotal connection between the supporting leg 30 and the sleeve frame 20. The circuit board 40 is fixed to the back surface of the sleeve frame 20. The circuit board 40 is provided with a wiring terminal 41. A cable is inserted through the wiring terminal 41, so that the keyboard 1 is connected with the cable for connecting with external equipment. The circuit board 40 and the sleeve frame 20 can be directly connected and fixed together through clamping, buckling or other mechanical connection. In the specific operation, the supporting leg 30 is first installed on the front surface of the sleeve frame 20. The sleeve frame 20 with the supporting leg 30 is placed in the mounting opening 12 of the bottom shell 10. The circuit board 40 and the sleeve frame 20 are aligned and fixed. Then, the sleeve frame 20 and the bottom shell 10 are fixed together.

[0044] Compared with the prior art, the bottom shell assembly provided in the application has the mounting hole 12 formed on the bottom shell 10, the sleeve frame 20 arranged at the mounting hole 12, and the support leg 30 rotatably mounted on the sleeve frame 20, so that the bottom shell 10 of different materials can be adapted, and the adaptability is improved. The circuit board 40 and the sleeve frame 20 are fixed together, so that the internal component structure of the keyboard 1 is more compact, and the installation of the circuit board 40 on the sleeve frame 20 can be adaptively adjusted according to the opening position of the wire outlet 13 of the keyboard 1, so as to adapt to the keyboard 1 with the wire outlet 13 at different positions, and the adaptability is improved.

[0045] Referring to Figure 2 , Figures 5 to 7 The back surface of the sleeve frame 20 is provided with a plurality of wiring posts 23, and the circuit board 40 is provided with a plurality of mounting holes 42 matched with the wiring posts 23. At least two wiring posts 23 are used to position and mount the circuit board 40 on the back surface of the sleeve frame 20. When the circuit board 40 is positioned and mounted on the back surface of the sleeve frame 20, the wiring terminals 41 on the circuit board 40 can be exactly aligned with and inserted into the wire outlet 13 formed in the keyboard 1. The wiring posts 23 and the mounting holes 42 can be in interference fit, or can be in clearance fit. In addition, other positioning structures in the keyboard 1 can also be used to fix the circuit board 40 relative to the sleeve frame 20. It can be understood that the circuit board 40 and the sleeve frame 20 can also be mounted and fixed together by other structures or connecting members.

[0046] When the plate body of the circuit board 40 is substantially straight strip-shaped, two wiring posts 23 are arranged on the back surface of the sleeve frame 20, and the two wiring posts 23 are located on the side of the sleeve frame 20 adjacent to the wire outlet 13 of the keyboard 1. In this way, the circuit board 40 can be mounted on the back surface of the sleeve frame 20 through the two wiring posts 23, and the wiring terminals 41 on the circuit board 40 can also be aligned with and inserted into the wire outlet 13 on the corresponding side of the keyboard 1. It can be understood that the back surface of the sleeve frame 20 can also be provided with three wiring posts 23, and the three wiring posts 23 are arranged on the two adjacent sides of the sleeve frame 20, and one of the three wiring posts 23 is located at the corner of the corresponding end of the sleeve frame 20. In this way, by adjusting the placement direction of the circuit board 40, the wiring terminals 41 on the circuit board 40 can be exactly aligned with the wire outlet 13 of the keyboard 1. That is, when the wire outlet 13 is formed on the front side of the keyboard 1, the circuit board 40 is mounted on the side of the sleeve frame 20 close to the wire outlet 13, and is mounted on the sleeve frame 20 through the two wiring posts 23 on the front side, so that the wiring terminals 41 on the circuit board 40 can be aligned with the wire outlet 13 on the front side. When the wire outlet 13 is formed on the side of the keyboard 1, the circuit board 40 is mounted on the corresponding side of the sleeve frame 20, so that the circuit board 40 can be mounted on the sleeve frame 20 through the two wiring posts 23 on the side, and the wiring terminals 41 on the circuit board 40 can also be aligned with and inserted into the wire outlet 13 on the side.

[0047] Referring to Figure 2 , Figure 3 , Figure 6The plate body of the circuit board 40 is substantially straight strip shape, the outlet 13 of the keyboard 1 is arranged on the front side, the keyboard 1 is provided with a positioning rod 14, the circuit board 40 is provided with a positioning hole 43 suitable for the positioning rod 14 to pass through, the basic position of the circuit board 40 is fixed through the cooperation of the positioning rod 14 and the positioning hole 43, and then the circuit board 40 is fixed relative to the lower side of the sleeve frame 20.

[0048] Referring to Figures 8 to 12 In another embodiment, in order to make the sleeve frame 20 suitable for the straight strip-shaped circuit board and the L-shaped circuit board, two groups of wiring posts are arranged on the sleeve frame 20. In order to facilitate the description and distinction of the two groups of wiring posts, the first group is described as the first wiring post 231, and the second group is described as the second wiring post 232. The first group has two first wiring posts 231 and is located at one end close to the front side of the keyboard 1, which is used for the wiring terminal 41 of the circuit board 40 to be inserted into the outlet 13 arranged on the front side of the keyboard 1 after the circuit board 40 is installed. The second group has three second wiring posts 232, one of which is located at one end close to the front side of the keyboard 1 and is arranged staggered with the first wiring post 231 of the first group, so that the wiring posts of the two groups do not interfere with the circuit board 40 when the circuit board 40 is installed on the sleeve frame 20, and the lengths of the wiring posts of the two groups are different. The other two second wiring posts 232 are located at opposite sides close to the middle position of the sleeve frame 20, so as to be suitable for the L-shaped circuit board 40 to be installed on the back of the sleeve frame 20, and make the wiring terminal 41 to be inserted into the outlet 13 arranged on the side of the keyboard 1. The L-shaped circuit board 40 includes a first plate body 44 and a second plate body 45 connected at a right angle, and the first plate body 44 and the second plate body 45 are respectively provided with an installation hole 42. The installation holes 42 are arranged corresponding to the second wiring posts 232 of the second group in the longitudinal direction and the transverse direction respectively. It can be understood that Figure 12 The wiring terminal 41 on the circuit board shown in the figure is arranged on the second plate body 45, and the outlet of the keyboard is arranged on the side; in fact, as shown in Figure 13 The arrangement position of the wiring terminal 41 can also be adjusted to be arranged on the front side, that is, the wiring terminal 41 can be arranged on the first plate body 44, so as to be inserted into the outlet on the front side of the keyboard.

[0049] That is to say, the circuit board 40 can select the corresponding installation mode according to the actual design position of the outlet 13 of the keyboard 1, and after the installation and fixation of the sleeve frame 20 and the circuit board 40, the wiring terminal 41 on the circuit board 40 can be inserted into the outlet 13. The multiple groups of wiring posts arranged on the sleeve frame 20 can adapt to the straight strip-shaped circuit and the L-shaped circuit board 40, and the wiring terminal 41 of the circuit board 40 can be inserted into the outlet 13 after the circuit board 40 is installed, which improves the adaptability.

[0050] Referring to Figures 8 to 11The frame 20 is horizontally formed with a frame 22 on the outer periphery of the accommodating groove 21, the connecting posts are arranged on the back of the frame 22, the frame 22 is abutted against the bottom shell 10, and the frame 22 of the frame 20 is hidden by the bottom shell 10 after the frame 20 is completely installed. In the embodiment, the frame 22 is arranged on the periphery of the frame 20, and the five connecting posts are arranged on the back of the frame 22. The frame 20 is connected with the bottom shell 10 through the screws passing through the frame 22, so that the frame 22 is fixed with the bottom shell 10 through the screws, and the frame 22 is hidden in the shell of the keyboard 1, and the frame 22 of the frame 20 cannot be seen from the outside of the keyboard 1. The back of the frame 20 is protruded with the plurality of reinforcing ribs arranged staggeredly, so that the overall structural strength of the frame 20 is greater, and the frame 20 is not easy to be deformed and damaged.

[0051] In some embodiments, the frame 20 is connected with the bottom shell 10 through buckling, and the frame 20 and the bottom shell 10 are detachably installed together, so that the frame 20 is convenient to disassemble, and the component assembling efficiency of the keyboard 1 is high.

[0052] Please refer to Figure 8 , Figure 10 , Figure 14 The supporting legs 30 are arranged in plurality, and the plurality of supporting legs 30 are arranged in mutual nesting. That is, the outer dimensions of the plurality of supporting legs 30 are sequentially reduced from the outside to the inside, the front surfaces of the supporting legs 30 except the supporting leg 30 with the smallest outer dimension are each provided with a receiving groove for accommodating the adjacent supporting leg 30, and the opposite sides of one end of the supporting leg 30 with the largest outer dimension are each outwardly protruded with a rotating shaft 31 matched with the shaft hole 210 of the frame 20, and one end of each of the remaining supporting legs 30 is sequentially pivotally connected with the adjacent supporting leg 30, so that one of the supporting legs 30 can be selected to be unfolded according to the need, so as to obtain the required supporting angle. The supporting angle is the largest when the supporting leg 30 with the largest outer dimension is unfolded from the accommodating groove 21. The plurality of supporting legs 30 arranged in nesting can realize the stable support of the keyboard 1 at multiple angles.

[0053] Please refer to Figure 8 , Figure 9 The keyboard 1 provided by the embodiment comprises the bottom shell assembly described in the above embodiments. The bottom cover 11 made of metal is detachably installed on the back of the bottom shell 10, and the frame 20 is installed on the bottom cover 11. As shown in Figure 2 , the wire outlet 13 of the keyboard 1 is arranged on the front side; and as shown in Figure 8 , the wire outlet 13 of the keyboard 1 is arranged on the side surface.

[0054] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A base pan assembly characterized by: The application relates to a bottom shell assembly. The bottom shell is provided with a mounting opening on the bottom surface. The sleeve frame is detachably arranged at the mounting opening, and the front surface of the sleeve frame is recessed to form a containing groove. The support leg is pivotally connected to the front surface of the sleeve frame and can be switched between a folded state and an unfolded state. The support leg is accommodated in the containing groove when being in the folded state, and at least a part of the support leg is extended out of the containing groove when being in the unfolded state. The circuit board is detachably fixed to the back surface of the sleeve frame, and the circuit board is provided with a wiring terminal.

2. The bottom shell assembly of claim 1, wherein: When the circuit board is fixed to the sleeve frame, the wiring terminal can be aligned and inserted into the wire outlet of the keyboard.

3. The base pan assembly of claim 2, wherein: The back surface of the sleeve frame is provided with a plurality of wiring columns, and the circuit board is provided with a plurality of mounting holes matched with the wiring columns.

4. The bottom shell assembly of claim 2, wherein: At least two wiring columns are inserted into two corresponding mounting holes, so that the circuit board is positioned and mounted on the back surface of the sleeve frame.

5. The bottom shell assembly of claim 2, wherein: The back surface of the sleeve frame is provided with two wiring columns, and the two wiring columns are located on the side of the sleeve frame adjacent to the side of the keyboard provided with the wire outlet.

6. The bottom shell assembly of claim 1, wherein: The sleeve frame is provided with two groups of wiring columns.

7. The bottom shell assembly of claim 1, wherein: The first group has two wiring columns and is located at one end close to the front side of the keyboard.

8. The bottom shell assembly of claim 1, wherein: The second group has three wiring columns.

9. The bottom shell assembly of claim 1, wherein: One of the three wiring columns is located at one end close to the front side of the keyboard and is arranged in a staggered manner with the wiring column of the first group.

10. A keyboard, characterized by: The other two wiring columns are located on the opposite sides of the sleeve frame close to the middle position. The L-shaped circuit board includes a first plate body and a second plate body connected in a right angle. The first plate body and the second plate body are respectively provided with one mounting hole. The periphery of the sleeve frame is provided with a frame. The wiring columns are arranged on the back surface of the frame. The frame is abutted on the bottom shell and is shielded by the bottom shell. The sleeve frame is buckled on the bottom shell or connected to the bottom shell through screws. The opposite two side walls in the containing groove are respectively provided with shaft holes. The two sides of one end of the support leg are respectively provided with rotating shafts. The rotating shafts are rotatably inserted into the shaft holes. The support leg is provided with a plurality of support legs. The plurality of support legs are mutually sleeved. The bottom shell is a metal shell or a plastic shell. The application further relates to a bottom shell assembly. The bottom shell assembly comprises the bottom shell.

Images