PCB (Printed Circuit Board) preassembled two-way rocker switch

Abstract

The utility model relates to the technical field of electronic components, and particularly discloses a PCB (Printed Circuit Board) preassembled two-way rocker switch, which comprises a rectangular cover cap, the keyboard plate is positioned below the rectangular cover cap and is matched with the rectangular cover cap to form an accommodating cavity in a surrounding manner; the two-way rotating shaft rocker is used for pressing the key board downwards after being driven; the PCB preassembled part comprises a circuit board of which the top surface is provided with a plurality of pairs of conductive pads, and a plurality of metal elastic sheets which are fixedly arranged on the circuit board; wherein the metal elastic sheet has a disconnection state in which the metal elastic sheet upwards recovers deformation to be separated from the two corresponding conductive bonding pads when not pressed, so that the two conductive bonding pads are disconnected; and in the conduction state, the two-way rotating shaft rocker is driven by the two-way rotating shaft rocker to move downwards until the two-way rotating shaft rocker is attached to the two corresponding conductive bonding pads, so that the two conductive bonding pads are conducted. The PCB preassembled two-way rocker switch provided by the utility model can effectively solve the problem of low assembly efficiency caused by easy displacement of the metal elastic sheet in the assembly operation process.

Description

Technical Field

[0001] This utility model relates to the field of electronic components technology, and in particular to a PCB pre-installed two-way rocker switch. Background Technology

[0002] The inside of a rocker switch usually contains a metal spring. When the two-way rocker arm is rotated, the rocker arm presses the metal spring, causing the metal spring to be recessed and contact the two electrical pads below it, thus making the two electrical pads conductive.

[0003] In existing rocker switches, the metal spring is not pre-fixed to other components. Due to its light weight and small size, it is easily affected by vibration, airflow, and other factors during assembly, causing the metal spring to shift. Because the metal spring is prone to displacement, assembly workers need to spend a lot of time and effort adjusting its position to ensure it is correctly aligned with the electrical pads. This not only increases labor costs but also reduces production efficiency, negatively impacting the company's development.

[0004] Therefore, existing rocker switches need to be improved to solve the problem that the metal spring is prone to displacement during the assembly process, resulting in low assembly efficiency.

[0005] The information disclosed in this background section is included only to enhance the understanding of the context of this disclosure, and therefore may contain information that does not constitute prior art known to those skilled in the art. Utility Model Content

[0006] One objective of this invention is to provide a PCB pre-installed two-way rocker switch that can effectively solve the problem of low assembly efficiency caused by the easy displacement of metal springs during assembly.

[0007] To achieve the above objectives, this utility model provides a PCB pre-installed two-way rocker switch, comprising:

[0008] Rectangular cover;

[0009] A button panel is located below the rectangular cover, and together with the rectangular cover, they surround and form an accommodating cavity.

[0010] A two-way rotating rocker arm is rotatably connected to the rectangular cover and is used to press the button panel downwards when driven.

[0011] The PCB pre-assembly is located below the keypad and includes a circuit board with a plurality of conductive pads on its top surface and a plurality of metal springs fixed on the circuit board.

[0012] The metal spring has an open state where it recovers its upward deformation and detaches from the two corresponding conductive pads when not under pressure, thus disconnecting the two conductive pads; and an open state where it moves downward under the drive of the two-way rotating rocker arm to fit against the two corresponding conductive pads, thus making the two conductive pads conductive.

[0013] Optionally, the metal spring is fixed to the circuit board by attaching a high-temperature resistant sticker.

[0014] Optionally, each of the metal springs is located between the circuit board and the high-temperature resistant sticker;

[0015] The edge of the bottom of the high-temperature resistant sticker is bonded to the circuit board, and the middle of the bottom of the high-temperature resistant sticker is bonded to the top surface of each of the metal springs.

[0016] Optionally, the circuit board is provided with a spring positioning groove for the metal spring to enter.

[0017] Optionally, the two sides of the two-way rocker arm are provided with transverse pivots for rotating and inserting into the inner wall of the rectangular cover.

[0018] Optionally, the keypad includes a connecting substrate, and the connecting substrate is provided with a reset keycap corresponding to the position of each pair of conductive pads.

[0019] Optionally, the two-way rocker arm is provided with a horizontal pressure bar for pressing down on the reset keycap at the position of the reset keycap, and the rectangular cover is provided with a housing clearance groove at the position of each of the horizontal pressure bars.

[0020] Optionally, there are two horizontal pressure rods, each horizontal pressure rod is provided with two reset keycaps, and a U-shaped flexible pressure block is provided between the horizontal pressure rod and the two corresponding reset keycaps. The U-shaped flexible pressure block is provided with an upwardly protruding force-bearing protrusion corresponding to the position of the horizontal pressure rod.

[0021] Optionally, the rectangular cover is fastened to the circuit board by fasteners, and the bottom of the rectangular cover is provided with a bolt connection post for the fasteners to be screwed in. The connecting base plate is provided with a U-shaped clearance groove corresponding to the position of the bolt connection post.

[0022] The beneficial effects of this utility model are as follows: It provides a PCB pre-installed two-way rocker switch. When the rocker switch is not operated, the metal spring is in an uncompressed state due to its elasticity. At this time, the metal spring returns to its original shape and disengages from the two conductive pads below it, so that the conductive pads are in an open state.

[0023] When the operator rotates the two-way rocker arm, the rocker arm presses down on the button panel, which in turn transmits force to the metal spring through the button panel. This causes the metal spring to deform downwards until it contacts the conductive pad below, thus making the conductive pad conductive and completing the circuit closure.

[0024] In the above process, the metal springs are pre-installed on the circuit board instead of being left freely placed. This design reduces the degree of freedom of movement of the metal springs during assembly, lowering the risk of displacement due to vibration or airflow. Assembly workers do not need to position and fix the metal springs during assembly, which greatly simplifies the assembly process and reduces assembly time. Furthermore, because the position of the metal springs is pre-fixed, no fine-tuning of the springs is required during assembly, thereby reducing the possibility of assembly errors and improving production efficiency.

[0025] Therefore, the PCB pre-installed two-way rocker switch provided by this utility model can effectively solve the problem that the metal spring is easy to shift during the assembly process, resulting in low assembly efficiency. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 An exploded view of a PCB pre-installed two-way rocker switch provided in an embodiment;

[0028] Figure 2 A schematic diagram of the bottom of the rectangular cover provided in the embodiment;

[0029] Figure 3 This is a schematic diagram illustrating the assembly process of a PCB-pre-assembled two-way rocker switch provided in an embodiment.

[0030] In the picture:

[0031] 1. Rectangular cover; 101. Cover clearance groove; 102. Positioning post; 103. Bolt connection post;

[0032] 2. Button board; 201. Connecting base plate; 2011. U-shaped clearance groove; 202. Reset keycap;

[0033] 3. Two-way rotating rocker arm; 301. Lateral pressure rod; 302. Lateral rotating shaft;

[0034] 4. PCB pre-assembled parts; 401. Circuit board; 402. Metal spring; 403. High-temperature resistant sticker;

[0035] 5. U-shaped flexible pressure block; 501. Force-bearing protrusion. Detailed Implementation

[0036] In this utility model, the reference to "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment can be included in at least one embodiment of this utility model. The term "embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment, nor does it specifically limit its independence or connection with other embodiments. In principle, in this utility model, as long as there are no technical contradictions or conflicts, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0037] Unless otherwise defined, the technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the use of related terms herein is merely for the purpose of describing particular embodiments and is not intended to limit the invention.

[0038] In the description of this utility model, the term "and / or" is used to describe the logical relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A exists, B exists, and A and B exist simultaneously. Additionally, the character " / " generally indicates that the preceding and following objects have an "or" logical relationship.

[0039] In this invention, terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any actual quantity, hierarchy, or order between these entities or operations.

[0040] Without further limitations, the use of terms such as “comprising,” “including,” “having,” or other similar expressions in this invention is intended to cover non-exclusive inclusion, which does not exclude the presence of additional elements in a process, method, or product that includes the stated elements, such that a process, method, or product that includes a series of elements may include not only those defined elements but also other elements not expressly listed, or elements inherent to such a process, method, or product.

[0041] Similar to the understanding in the Examination Guidelines, in this utility model, expressions such as "greater than," "less than," and "exceeding" are understood to exclude the stated number; expressions such as "above," "below," and "within" are understood to include the stated number. Furthermore, in the description of the embodiments of this utility model, "multiple" means two or more (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups" and "multiple times," unless otherwise explicitly specified.

[0042] In the description of the embodiments of this utility model, the space-related expressions used, such as "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiments or drawings. They are only for the convenience of describing the specific embodiments of this utility model or for the reader's understanding, and do not indicate or imply that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0043] Unless otherwise expressly specified or limited, the terms "installation," "connection," "linking," "fixing," and "setting," as used in the description of the embodiments of this utility model, should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two components or the interaction between two components. For those skilled in the art to which this utility model pertains, the specific meaning of the above terms in the embodiments of this utility model can be understood according to the specific circumstances.

[0044] See Figure 1 and Figure 2 This utility model provides a PCB pre-installed two-way rocker switch, including a rectangular cover 1, a button plate 2, a two-way rotating rocker 3, and a PCB pre-installed component 4.

[0045] The button plate 2 is located below the rectangular cover 1, and together with the rectangular cover 1, it forms an accommodating cavity; the two-way rotating rocker arm 3 is rotatably connected to the rectangular cover 1, and is used to press the button plate 2 downward after being driven; the PCB pre-mount 4 is located below the button plate 2, and includes a circuit board 401 with several pairs of conductive pads on the top surface, and several metal springs 402 fixed on the circuit board 401.

[0046] The metal spring 402 has an open state where it recovers its upward deformation and detaches from the corresponding two conductive pads when not under pressure, thus disconnecting the two conductive pads; and an on state where it is driven downward by the two-way rotating rocker arm 3 to fit against the corresponding two conductive pads, thus making the two conductive pads conductive.

[0047] The PCB pre-installed two-way rocker switch provided in this embodiment has the following characteristics: when the rocker switch is not operated, the metal spring 402 is in an uncompressed state due to its elasticity. At this time, the metal spring 402 restores its upward deformation and disengages from the two conductive pads below it, so that the conductive pads are in an open state.

[0048] When the operator rotates the two-way rocker arm 3, the two-way rocker arm 3 presses down on the button plate 2, and then the force is transmitted to the metal spring 402 through the button plate 2, causing the metal spring 402 to deform downward until it contacts the conductive pad below, thereby making the conductive pad conductive and completing the circuit closure.

[0049] In the above process, the metal spring 402 is pre-installed on the circuit board 401 instead of being left freely placed. This design reduces the degree of freedom of movement of the metal spring 402 during assembly, lowering the risk of displacement due to vibration or airflow. Assembly workers do not need to position and fix the metal spring 402 during assembly, which greatly simplifies the assembly steps and reduces assembly time. Furthermore, because the position of the metal spring 402 is pre-fixed, there is no need to fine-tune the spring during assembly, thereby reducing the possibility of assembly errors and improving production efficiency.

[0050] Therefore, the PCB pre-installed two-way rocker switch provided by this utility model can effectively solve the problem that the metal spring 402 is prone to displacement during the assembly process, resulting in low assembly efficiency.

[0051] In this embodiment, the metal spring 402 is attached and fixed to the circuit board 401 by a high-temperature resistant sticker 403. Optionally, the high-temperature resistant sticker 403 can be polyimide high-temperature resistant tape, PET high-temperature resistant tape, or PVC high-temperature resistant sticker 403, etc.

[0052] Specifically, each of the metal springs 402 is located between the circuit board 401 and the high-temperature resistant sticker 403; wherein, the bottom edge of the high-temperature resistant sticker 403 is bonded to the circuit board 401, and the middle of the bottom of the high-temperature resistant sticker 403 is bonded to the top surface of each of the metal springs 402, thereby achieving the relative positioning of each of the metal springs 402 on the circuit board 401.

[0053] Optionally, the keypad 2 includes a connecting substrate 201, and the connecting substrate 201 is provided with a reset keycap 202 corresponding to the position of each pair of conductive pads.

[0054] When the two-way rocker arm 3 presses down on the reset keycap 202, the reset keycap 202 can deform downward, thereby applying downward pressure to the metal spring 402, so that the metal spring 402 moves downward closer to the corresponding conductive pad.

[0055] Optionally, the two-way rocker arm 3 is provided with transverse rocker arms 302 on both sides for rotating and inserting into the inner wall of the rectangular cover 1. The two-way rocker arm 3 is provided with a transverse pressure bar 301 for pressing down on the reset keycap 202 at the position of the reset keycap 202, and the rectangular cover 1 is provided with a housing clearance groove 101 at the position of each transverse pressure bar 301;

[0056] Optionally, there are two transverse pressure rods 301, and the rectangular cover 1 is provided with a cover clearance groove 101 corresponding to the position of each transverse pressure rod 301. The existence of the cover clearance groove 101 ensures that even if the overall height of the rectangular cover 1 is designed to be small, the transverse pressure rod 301 has enough space during rocker arm movement and will not interfere with the rectangular cover 1. This is beneficial for further reducing the size of the compact rocker arm switch and improving the structural compactness.

[0057] Each of the horizontal pressure rods 301 is provided with two reset keycaps 202, and a U-shaped flexible pressure block 5 is provided between the horizontal pressure rod 301 and the two corresponding reset keycaps 202. The U-shaped flexible pressure block 5 is provided with an upwardly protruding force-bearing protrusion 501 corresponding to the position of the horizontal pressure rod 301.

[0058] The U-shaped flexible pressure block 5 plays a role in transmitting pressure, buffering, maintaining stability, and adapting to deformation in the PCB pre-installed two-way rocker switch. It effectively transmits the movement and pressure of the two-way rocker arm 3 to the reset keycap 202, while reducing hard contact during operation, lowering vibration and noise, and improving user comfort and switch lifespan. Furthermore, the U-shaped flexible pressure block 5 prevents the reset keycap 202 from excessively compressing the metal spring 402, protecting other sensitive components on the circuit board 401, simplifying the assembly process, and improving the overall reliability and lifespan of the product.

[0059] Optionally, the rectangular cover 1 is fastened to the circuit board 401 by fasteners. The bottom of the rectangular cover 1 is provided with a bolt connection post 103 for the fasteners to be screwed in. The connecting base plate 201 is provided with a U-shaped clearance groove 2011 corresponding to the position of the bolt connection post 103.

[0060] See Figure 3The assembly process of the pre-installed rocker switch with a bottom shell provided in this embodiment is as follows:

[0061] S10: After sequentially inserting the two-way rotating rocker arm 3 and the U-shaped flexible pressure block 5 into the rectangular cover 1, the button plate 2 is pre-installed at the bottom of the rectangular cover 1.

[0062] S20: The metal spring 402 is heat-attached and fixed to the circuit board 401, ensuring that each metal spring 402 is located directly above the corresponding two conductive pads to obtain the PCB pre-assembled part 4; further, the circuit board 401 is provided with a spring positioning groove for the metal spring 402 to enter, so as to complete the positioning of the metal spring 402.

[0063] S30: Fix the rectangular cover 1 onto the PCB pre-assembled part 4 to complete the assembly; further, the bottom of the rectangular cover 1 is provided with a positioning post, and the circuit board 401 is provided with a positioning hole for the positioning post to be inserted, thereby completing the alignment operation between the rectangular cover 1 and the circuit board 401.

[0064] S40: After passing the fastener through the circuit board 401, screw it into the bolt connecting post 103. After tightening, the circuit board 401 can work with the rectangular cover 1 to clamp the middle button plate 2.

[0065] In summary, the PCB pre-installed two-way rocker switch provided in this embodiment has the following advantages:

[0066] ①Simplified assembly process: Since the metal spring 402 is pre-installed on the circuit board 401, the assembly worker does not need to position and fix the metal spring 402 during the assembly process, which greatly simplifies the assembly steps and reduces the assembly time.

[0067] ② Improve assembly efficiency: The pre-assembled design reduces the degree of freedom of movement of the metal spring 402 during the assembly process, reduces the risk of displacement due to vibration or airflow, thereby reducing the possibility of assembly errors and improving production efficiency.

[0068] ③ Improve product reliability: The pre-fixing of the metal spring 402 ensures the consistency of the position of the metal spring 402 in each switch, improves the quality stability of the product, and extends the service life of the switch.

[0069] ④ Reduce assembly errors: Since there is no need to fine-tune the metal spring 402, the possibility of human error is reduced, further improving the product qualification rate.

[0070] ⑤ Compact structure: By designing the cover clearance groove 101, the rectangular cover 1 can be designed to be smaller, which improves the structural compactness and is conducive to miniaturization design.

[0071] ⑥ Improve user comfort: The use of U-shaped flexible pressure block 5 reduces hard contact during joystick operation, reduces vibration and noise, and improves the user's operating experience.

[0072] ⑦ High adaptability: By using high-temperature resistant stickers 403 to fix the metal spring 402, it can adapt to different temperature environments, maintain the stability of the metal spring 402, and is suitable for electronic devices in various environments.

[0073] Finally, it should be noted that although the above embodiments have been described in the text and drawings of this application, this should not limit the scope of patent protection of this application. Any technical solutions that are based on the essential concept of this application and utilize the content described in the text and drawings of this application, resulting in equivalent structural or procedural substitutions or modifications, as well as the direct or indirect application of the technical solutions of the above embodiments to other related technical fields, are all included within the scope of patent protection of this application.

Claims

1. A PCB pre-installed two-way rocker switch, characterized in that, include: Rectangular cover (1); The button board (2) is located below the rectangular cover (1) and is surrounded by the rectangular cover (1) to form an accommodating cavity; A two-way rotating rocker arm (3) is rotatably connected to the rectangular cover (1) and is used to press the button plate (2) downward after being driven. PCB pre-mount (4), the PCB pre-mount (4) is located below the keypad (2), including a circuit board (401) with a plurality of conductive pads on the top surface, and a plurality of metal springs (402) fixed on the circuit board (401). The metal spring (402) has an open state where it recovers its upward deformation and detaches from the corresponding two conductive pads when not under pressure, thus disconnecting the two conductive pads; and a closed state where it is driven downward by the two-way rotating rocker arm (3) to fit the corresponding two conductive pads, thus making the two conductive pads conductive.

2. The PCB pre-installed two-way rocker switch according to claim 1, characterized in that, The metal spring (402) is attached to the circuit board (401) by a high-temperature resistant sticker (403).

3. The PCB pre-installed two-way rocker switch according to claim 2, characterized in that, Each of the metal springs (402) is located between the circuit board (401) and the high-temperature resistant sticker (403); The edge of the bottom of the high-temperature resistant sticker (403) is bonded to the circuit board (401), and the middle of the bottom of the high-temperature resistant sticker (403) is bonded to the top surface of each of the metal springs (402).

4. The PCB pre-installed two-way rocker switch according to claim 1, characterized in that, The circuit board (401) is provided with a spring positioning groove for the metal spring (402) to enter.

5. The PCB pre-installed two-way rocker switch according to claim 1, characterized in that, The two-way rocker arm (3) is provided with transverse rocker arms (302) on both sides for rotating and inserting into the inner wall of the rectangular cover (1).

6. The PCB pre-installed two-way rocker switch according to claim 1, characterized in that, The keypad (2) includes a connecting substrate (201), and a reset keycap (202) is provided on the connecting substrate (201) corresponding to the position of each pair of conductive pads.

7. The PCB pre-installed two-way rocker switch according to claim 6, characterized in that, The two-way rocker arm (3) is provided with a horizontal pressure bar (301) for pressing down on the reset keycap (202) at the position of the reset keycap (202), and the rectangular cover (1) is provided with a housing clearance groove (101) at the position of each of the horizontal pressure bars (301).

8. The PCB pre-installed two-way rocker switch according to claim 7, characterized in that, There are two horizontal pressure bars (301), and each horizontal pressure bar (301) is provided with two reset keycaps (202). A U-shaped flexible pressure block (5) is provided between the horizontal pressure bar (301) and the two corresponding reset keycaps (202). The U-shaped flexible pressure block (5) is provided with an upwardly protruding force-bearing protrusion (501) corresponding to the position of the horizontal pressure bar (301).

9. The PCB pre-installed two-way rocker switch according to claim 6, characterized in that, The rectangular cover (1) is fastened to the circuit board (401) by fasteners. The bottom of the rectangular cover (1) is provided with a bolt connection post (103) for the fasteners to be screwed in. The connecting base plate (201) is provided with a U-shaped clearance groove (2011) corresponding to the position of the bolt connection post (103).

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