Switch assembly and function switch using same

Abstract

The utility model relates to a switch assembly and a function switch using the same, the switch assembly comprises a shell seat, a button, a switch element and a circuit board, the circuit board is fixed in the shell seat, the switch element is arranged on the circuit board, the button is movably arranged at the upper end of the shell seat through a connecting structure, and the switch element is triggered through the button; the button comprises a base body and a pressing handle, the base body and the pressing handle are integrally formed through double-shot molding, the pressing handle is exposed out of the shell base, the base body is connected with the shell base through a connecting structure, the base body is made of non-electroplating plastic, and the pressing handle is made of electroplating plastic. The electroplating button is reasonable in structure, not only can improve the aesthetic property and the performance of the button through electroplating, but also can avoid the corresponding damage to the button caused by electroplating, ensures the service life and the stable use performance of the switch, and has very good practicability.

Description

Technical Field

[0001] The utility model relates to a switch component and a functional switch using the same, belonging to the field of electric switch structure design. Background Art

[0002] Various switches are usually installed on vehicles such as motorcycles and cars to control different functions. In the prior art, switch buttons are often electroplated. Although electroplating can improve the appearance and performance of the button, it also changes its internal stress distribution and material properties. In some switches, the button is integrally injection-molded from ABS material. After electroplating, a plating layer is formed on the entire button surface. The button and the housing are pivotally connected by a convex shaft and an axial hole (one of the convex shaft and the axial hole is provided on the button, and the other is provided on the housing). During the assembly process, the button needs to be pressed into the housing with force so that the convex shaft and the axial hole form a snap fit. The toughness of the button after electroplating is reduced and the size is unstable. During the assembly process with the housing and the subsequent use of the switch, the connection structure on the button (convex shaft or axial hole) is more easily damaged, which leads to an increase in defective products and affects the service life of the switch. Utility Model Content

[0003] In this regard, the present invention provides a switch assembly and a functional switch using the same, which optimizes the button structure thereon to better adapt to usage requirements and effectively reduce the adverse effects of electroplating on the button.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] In the first aspect, the utility model provides a switch assembly, including a shell base, a button, a switch element and a circuit board, the circuit board being fixed in the shell base, the switch element being mounted on the circuit board, the button being movably mounted on the upper end of the shell base through a connecting structure, and the switch element being triggered by the button; the button including a base and a handle, the base and the handle being integrally formed by two-color injection molding, the handle being exposed from the shell base, the base being connected to the shell base through the connecting structure, the base being made of non-electroplatable plastic, and the handle being made of electroplatable plastic.

[0006] In some embodiments, the connection structure includes a matching protruding shaft and an axial hole, one of the protruding shaft and the axial hole is provided on the shell seat, and the other of the protruding shaft and the axial hole is provided on the base.

[0007] In some embodiments, an elastic plate is provided on the side wall of the upper end of the shell seat, and the protruding shaft or the shaft hole is provided on the elastic plate; a slope is provided on the outer end of the protruding shaft to facilitate the insertion into the shaft hole.

[0008] In some embodiments, a waterproof rubber sleeve and a pressing frame are provided in the housing. The waterproof rubber sleeve is provided on the upper portion of the circuit board and covers the switch element. The pressing frame presses the periphery of the waterproof rubber sleeve.

[0009] In some embodiments, touch-pressure portions are provided on both the front and rear sides of the bottom end of the base, and the switch element is provided below each touch-pressure portion on the circuit board. When the button moves forward or backward, the switch element below it is triggered by the corresponding touch-pressure portion; the switch element is a push switch.

[0010] In some embodiments, the circuit board is provided with lamp beads, the base is provided with a hollow light-guiding cavity, and the handle is provided with a light-transmitting portion at a position corresponding to the light-guiding cavity.

[0011] In some embodiments, the waterproof rubber sleeve has a raised portion protruding upward to the inside of the base; and a drainage hole is provided on the side wall of the shell seat above the waterproof rubber sleeve.

[0012] In some embodiments, a terminal row is fixed at the bottom of the circuit board, and the terminal row includes a plastic block and a plurality of conductive terminals fixed on the plastic block. The conductive terminals are connected to the circuit board, and the plastic block is provided with an upwardly protruding positioning column, and the circuit board is provided with a positioning hole that forms a plug-in fit with the positioning column; a socket that passes through the interior up and down is provided at the bottom of the shell base, and the conductive terminals extend into the socket.

[0013] In a second aspect, the utility model provides a functional switch, comprising a long hollow shell and at least two switch assemblies, wherein the hollow shell is provided with mounting positions for mounting each switch assembly; the switch assembly adopts any of the switch assemblies described above, the shell base is fixedly connected to the hollow shell, and the upper end of the button extends out of the hollow shell.

[0014] In some embodiments, the shell base and the hollow shell are snap-connected; a protective rubber strip is provided at the upper port of the hollow shell, the upper edge of the shell base presses the protective rubber strip, and the protective rubber strip and the button are provided with sleeve holes corresponding to each other, and a slot is provided on the outer wall of the button to snap into the edge of the sleeve hole.

[0015] The present invention has the following positive effects: in the present invention, by optimizing the button structure, the base (made of non-electroplatable plastic) and the handle (made of electroplatable plastic) constituting the button are molded into one piece by a two-color injection molding process, without the need for additional assembly steps, which not only simplifies the production process, but also improves the structural integrity of the button, reduces the assembly gap between parts, and thus improves the durability and reliability of the button; and during the electroplating process, since the handle is made of electroplatable plastic, a uniform and dense electroplating layer can be formed on its surface, which not only improves the aesthetics of the button, but also enhances its wear resistance, corrosion resistance and conductivity. Since the base is made of non-electroplatable plastic, it will not be plated with an electroplating layer during the electroplating process, thereby maintaining its original material properties; and the connection structure is partially arranged on the base, maintaining its original mechanical properties and dimensional stability, reducing damage to the button during the assembly process, and helping to ensure that the button can still maintain good working performance and stability during long-term use, thereby reducing the adverse effects of electroplating on the button. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] 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 these drawings without paying any creative work.

[0017] Figure 1 A perspective view of the switch assembly of the present invention;

[0018] Figure 2 For the Figure 1 Sectional view taken along line AA;

[0019] Figure 3 For the Figure 1 Cross-sectional view cut along the midline BB;

[0020] Figure 4 This is an exploded view of the switch assembly in the present invention;

[0021] Figure 5 This is a three-dimensional diagram of the functional switch in the present utility model;

[0022] Figure 6 for Figure 5 Exploded view of the function switch shown.

[0023] Reference numerals shown in the figure: 1-shell base; 11-elastic plate; 12-socket; 13-pressing frame; 14-drainage hole; 2-button; 21-base; 210-touch and pressure portion; 22-handle; 23-light guide cavity; 24-slot; 3-switch element; 4-circuit board; 41-lamp bead; 42-positioning hole; 5-convex shaft; 51-slope; 6-axis hole; 7-waterproof rubber sleeve; 71-raised portion; 8-terminal row; 81-plastic block; 82-conductive terminal; 83-positioning column; 9-hollow shell; 10-protective rubber strip; 101-sleeve hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixed", etc. should be understood in a broad sense. For example, "fixed" can be a fixed connection, a detachable connection, or an integral whole; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0026] In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0027] In the first aspect, the switch assembly structure provided in the embodiment of the present invention is as follows Figures 1 to 4As shown, it includes a housing 1, a button 2, a switch element 3 and a circuit board 4. The housing 1 has an inner cavity. The circuit board 4 is fixed in the housing 1. The switch element 3 is mounted on the circuit board 4. The button 2 is movably mounted on the upper end of the housing 1 through a connecting structure. By moving the button 2, the switch element 3 is triggered, the state of the switch element 3 is switched, and the switch control function is realized.

[0028] In this embodiment, the button 2 includes a base 21 and a handle 22, and the base 21 and the handle 22 are integrally formed by two-color injection molding; the handle 22 is exposed from the shell base 1, so that the user can control the button 2 by pressing the handle 22, and the base 21 is connected to the shell base 1 through the connecting structure. The base 21 is made of non-electroplatable plastic, and the handle 22 is made of electroplatable plastic.

[0029] In this embodiment, the base 21 (made of non-electroplatable plastic) and the handle 22 (made of electroplatable plastic) constituting the button 2 are integrally molded in a single step through a two-color injection molding process, eliminating the need for additional assembly steps. This not only simplifies the production process but also improves the structural integrity of the button 2 and reduces assembly gaps between parts, thereby improving the durability and reliability of the button. Furthermore, during the electroplating process, since the handle 22 is made of electroplatable plastic, a uniform and dense electroplating layer can be formed on its surface. This electroplating layer not only improves the aesthetics of the button 2 but also enhances its wear resistance, corrosion resistance, and electrical conductivity. Since the base 21 is made of non-electroplatable plastic, it is not electroplated during the electroplating process, thereby maintaining its original material properties. Furthermore, the connection structure is provided on the base 21, preserving its original mechanical properties and dimensional stability, minimizing damage to the button 2 during assembly, and helping to ensure that the button 2 maintains good performance and stability during long-term use, thereby reducing the adverse effects of electroplating on the button 2.

[0030] It should be noted that the terms "non-electroplatable" and "electroplatable" as used herein are relative terms. This means that, under the same electroplating conditions (e.g., the same electroplating solution and the same electroplating current), a non-electroplatable plastic surface cannot form an electroplated layer, whereas an electroplatable plastic surface can. For example, the base 21 can be made of materials such as PC, POM, PP, or PVC, and the handle 22 can be made of materials such as ABS, PET, or PSF.

[0031] Specifically, in the scheme shown in the accompanying drawings, the connecting structure includes a matching convex shaft 5 and an axial hole 6, the convex shaft 5 is provided on the base 21, and the axial hole 6 is provided on the shell base 1, and the button 2 is movably limited and installed on the shell base 1 by snapping the convex shaft 5 into the axial hole 6; as a modified implementation scheme, the axial hole 6 can be provided on the base 21, and the convex shaft 5 can be provided on the shell base 1.

[0032] Alternatively, as Figure 2 As shown, in order to make the assembly of the button 2 and the shell base 1 smoother, an elastic plate 11 is provided on the side wall of the upper end of the shell base 1. This design can provide a certain elastic deformation space. The shaft hole 6 is provided on this elastic plate 11. In this way, during the assembly process, when the protruding shaft 5 is inserted into the shaft hole 6, elastic deformation occurs through the elastic plate 11 to facilitate assembly and fit; further, a slope 51 is designed at the outer end of the protruding shaft 5. The existence of this slope 51 can make it easier for the protruding shaft 5 to slide into the shaft hole 6 along the slope 51.

[0033] Alternatively, as Figure 2 and Figure 3 As shown, a waterproof rubber sleeve 7 and a pressing frame 13 are provided within the housing 1. The waterproof rubber sleeve 7 covers the upper portion of the circuit board 4 and encloses the switch element 3. The pressing frame 13 compresses the periphery of the waterproof rubber sleeve 7. The waterproof rubber sleeve 7 provides additional waterproof protection for the circuit board 4 and the switch element 41 within the housing 1, ensuring that the circuit board 4 and the switch element 3 are not directly exposed to external moisture, thereby greatly improving the waterproof performance of the switch device. The pressing frame 13 compresses the periphery of the waterproof rubber sleeve 7 to ensure that the waterproof rubber sleeve 7 fits tightly against the circuit board 4. The waterproof rubber sleeve 7 can be made of a soft rubber material such as rubber or silicone.

[0034] Alternatively, as Figure 3 As shown, the front and rear sides of the bottom of the base 21 are provided with touch-pressing portions 210, and the switch elements 3 are provided below each touch-pressing portion 210 on the circuit board 4. When the button 2 moves forward or backward, the switch element 3 below it is triggered by the corresponding touch-pressing portion 210, that is, when the control button 2 moves forward, one switch element 3 is triggered, and when the button 2 moves backward, another switch element 3 is triggered, thereby realizing two functional controls and improving the integration of the control function of the switch component; the switch element 3 is a push switch, such as a micro switch, a tactile switch, etc.

[0035] In order to add a light indication function to the switch assembly, a lamp bead 41 is provided on the circuit board 4, the base 21 is provided with a hollow light guide cavity 23, and a light-transmitting portion (not shown in the figure) is provided on the handle 22 at a position corresponding to the light guide cavity 23. The light-transmitting portion allows light to penetrate, and the lamp bead 41 emits light after being energized. The light is transmitted through the light guide cavity 23 and is transmitted out through the light-transmitting portion to form a backlight effect of the button. The light-transmitting portion can be made on the electroplating layer by a laser process, and the light-transmitting portion is in the shape of a graphic or character.

[0036] Furthermore, the waterproof rubber sleeve 7 has a raised portion 71 protruding upward into the interior of the base 21; a drainage hole 14 is provided on the side wall of the shell base 1 above the waterproof rubber sleeve 7, and moisture entering the interior of the shell base 1 can be discharged in time through the drainage hole 14.

[0037] like Figures 2 to 4 As shown, in order to facilitate the connection of the switch assembly with the external circuit, a terminal block 8 is fixed at the bottom of the circuit board 4. The terminal block 8 includes a plastic block 81 and a plurality of conductive terminals 82 fixed on the plastic block 81. The conductive terminals 82 are connected to the circuit board 4, and the plastic block 81 is provided with an upwardly protruding positioning column 83. The circuit board 4 is provided with a positioning hole 42 that forms a plug-in fit with the positioning column 83. The positioning hole 42 cooperates with the positioning column 83 to position the terminal block 8, ensuring that the upper end of the conductive terminal 82 is aligned with the conductive welding position on the circuit board 4 (the upper end of the conductive terminal 82 is spot-welded to the conductive welding point to achieve electrical connection and fixation); a socket 12 is provided at the bottom of the shell base 1, which is internally through-through, and the conductive terminal 82 extends into the socket 12; when wiring, an electrical plug is provided at the end of the wire (a plug-in terminal electrically connected to the wire is provided inside), and the electrical plug is inserted into the socket 12, so that the plug-in terminal is plugged into the lower end of the conductive terminal 82 to achieve electrical connection, making the connection of the switch assembly with the external wire simple and convenient.

[0038] In the second aspect, the functional switch structure provided in the embodiment of the present invention is as follows Figure 5 and Figure 6 As shown, it includes a long hollow shell 9 and at least two switch assemblies, and the hollow shell 9 is provided with a mounting position for each switch assembly; the switch assembly adopts the switch assembly described in any of the above embodiments, the shell base 1 is fixedly connected to the hollow shell 9, and the upper end of the button 2 extends out of the hollow shell 9; in this way, multiple switch assemblies are integrated together, the structure is compact, the functional integration is better, and the installation is convenient; and the functional switch also has all the advantages of the above-mentioned switch assemblies, which will not be repeated here.

[0039] In order to facilitate the installation of the switch assembly in the hollow shell 9, the shell base 1 and the hollow shell 9 are snap-fitted, which improves the assembly efficiency; in order to prevent dust and impurities from entering through the gap between the button 2 and the hollow shell 1, a protective rubber strip 10 is provided at the upper end of the hollow shell 9, and the upper edge of the shell base 1 presses the protective rubber strip 10, and the protective rubber strip 10 and the button 2 are provided with a sleeve hole 101 corresponding to the button 2, and a slot 24 is provided on the outer wall of the button 2 to be snap-fitted with the edge of the sleeve hole 101. The sealing effect is enhanced by snapping the slot 24 with the edge of the sleeve hole 101, and at the same time, the displacement of the protective rubber strip 10 due to the action of the button 2 is avoided.

[0040] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A switch assembly, comprising a housing (1), a button (2), a switch element (3) and a circuit board (4), wherein the circuit board (4) is fixed in the housing (1), the switch element (3) is mounted on the circuit board (4), the button (2) is movably mounted on the upper end of the housing (1) through a connecting structure, and the switch element (3) is triggered by the button (2); characterized in that The button (2) comprises a base (21) and a handle (22); the base (21) and the handle (22) are integrally formed by two-color injection molding; the handle (22) is exposed from the shell base (1); the base (21) is connected to the shell base (1) via the connecting structure; the base (21) is made of non-electroplatable plastic, and the handle (22) is made of electroplatable plastic.

2. The switch assembly according to claim 1, wherein: The connection structure comprises a matching convex shaft (5) and an axial hole (6), one of the convex shaft (5) and the axial hole (6) being arranged on the housing seat (1), and the other of the convex shaft (5) and the axial hole (6) being arranged on the base (21).

3. The switch assembly according to claim 2, wherein: An elastic plate (11) is provided on the upper side wall of the housing seat (1), and the convex shaft (5) or the shaft hole (6) is provided on the elastic plate (11); a slope (51) is provided at the outer end of the convex shaft (5) to facilitate the engagement with the shaft hole (6).

4. The switch assembly according to claim 1, wherein: A waterproof rubber sleeve (7) and a pressing frame (13) are provided in the housing seat (1); the waterproof rubber sleeve (7) is provided on the upper part of the circuit board (4) and covers the switch element (3); and the pressing frame (13) presses the periphery of the waterproof rubber sleeve (7).

5. The switch assembly according to claim 1, wherein: The base (21) is provided with a touch-pressing portion (210) on both the front and rear sides of the bottom end. The switch element (3) is provided below each touch-pressing portion (210) on the circuit board (4). When the button (2) moves forward or backward, the switch element (3) below it is triggered by the corresponding touch-pressing portion (210); the switch element (3) is a push switch.

6. The switch assembly according to claim 1, wherein: The circuit board (4) is provided with a lamp bead (41), the base (21) is provided with a hollow light guide cavity (23), and the handle (22) is provided with a light-transmitting portion at a position corresponding to the light guide cavity (23).

7. The switch assembly according to claim 4, characterized in that The waterproof rubber sleeve (7) has a raised portion (71) protruding upward to the interior of the base (21); a drainage hole (14) is provided on the side wall of the housing seat (1) above the waterproof rubber sleeve (7).

8. The switch assembly according to claim 1, wherein: A terminal row (8) is fixed at the bottom of the circuit board (4), and the terminal row (8) includes a plastic block (81) and a plurality of conductive terminals (82) fixed on the plastic block (81), the conductive terminals (82) are connected to the circuit board (4), and an upwardly protruding positioning column (83) is provided on the plastic block (81), and a positioning hole (42) is provided on the circuit board (4) to form a plug-in fit with the positioning column (83); a socket (12) is provided at the bottom of the shell base (1) and is passed through the interior up and down, and the conductive terminal (82) extends into the socket (12).

9. A functional switch, comprising a long hollow shell (9) and at least two switch components, wherein the hollow shell (9) is provided with a mounting position for each switch component, characterized in that: The switch assembly adopts the switch assembly according to any one of claims 1 to 8, the housing base (1) is fixedly connected to the hollow housing (9), and the upper end of the button (2) extends out of the hollow housing (9).

10. The functional switch according to claim 9, characterized in that: The shell seat (1) and the hollow shell (9) are snap-fitted; a protective rubber strip (10) is provided at the upper end of the hollow shell (9); the upper edge of the shell seat (1) presses the protective rubber strip (10), and the protective rubber strip (10) and the button (2) are provided with sleeve holes (101) corresponding to each other, and a slot (24) snap-fitted with the edge of the sleeve hole (101) is provided on the outer wall of the button (2).

Images