Microswitch for cabinet door

Abstract

The utility model provides a micro -drive cabinet door trigger switch, it includes the casing fixed in the cabinet body, the inside hollow of casing is provided with the accommodation cavity, the main control circuit board and micro -drive switch are installed in the accommodation cavity, the trigger end of micro -drive switch extends to the front end of casing, the front end of casing is provided with the front panel, is provided with the mounting hole with the trigger end cooperation of micro -drive switch on the front panel, still include trigger panel, trigger panel covers the surface of front panel and is connected with the trigger end of micro -drive switch, the utility model discloses beneficial effect is: the utility model discloses independent trigger panel covers the surface of front panel and installs, and this design makes trigger panel can be much greater than the press key of traditional micro -drive switch self -owned, and even can be equivalent with the slot or exposed area on cabinet door, to form a large -area trigger area, and the user need not accurately seek, only needs to touch or press in the larger range, can easily trigger switch.

Description

Technical Field

[0001] This utility model belongs to the field of smart home or furniture, and specifically relates to a trigger switch for cabinet doors, especially electric cabinet doors with electric opening function. Background Technology

[0002] In modern home and office environments, cabinet doors with electric opening or closing functions are becoming increasingly popular to enhance user experience and convenience. These electric cabinet doors are typically equipped with a trigger device to sense user commands and control the door's electric opening and closing. Currently, the core of most electric cabinet door trigger devices on the market is a built-in microswitch.

[0003] In existing electric cabinet door triggering methods, the primary triggering mode is usually "cabinet door triggering." This means the user activates a microswitch by directly pressing, touching, or gently pushing the cabinet door surface, utilizing a hidden trigger mechanism inside or along the edge of the door to open or close the door. This design aims to maintain the cabinet door's clean and aesthetically pleasing appearance. However, to close the door, the user needs to manually trigger the switch.

[0004] However, existing micro-motion cabinet door trigger switches generally have some obvious drawbacks, whether in the main "cabinet door trigger" mode or the "manual trigger" mode.

[0005] Firstly, in the primary "cabinet door trigger" mode, to maintain the simplicity of the cabinet door's appearance or due to limitations in internal structural space, the trigger area of ​​existing cabinet door trigger switches is usually designed to be relatively small and often hidden on the edge or inside of the cabinet door. This requires users to precisely press their fingers or other parts of their bodies onto a specific, narrow area on the cabinet door to trigger the switch during daily operation. In daily use, especially in low-light environments, or for elderly people, children, or users with mobility impairments, accurately locating and effectively pressing this small trigger point becomes very inconvenient, significantly reducing the ease of operation and user-friendliness. This small trigger area also results in a poor user experience, often leading to situations where users "blindly search" for the trigger point.

[0006] Secondly, limited by the trigger stroke and required trigger force of the microswitch itself, the trigger sensitivity of existing trigger switches is generally low, whether in "cabinet door trigger" or "manual trigger" modes. Users often need to apply a certain amount of force, and may even need to try multiple times or find a specific pressing angle to successfully trigger the switch. This not only leads to a poor user experience, creating a feeling of "lag" or "insensitivity," but also increases wear and tear on the switch due to repeated pressing, shortening the product's lifespan. Especially for scenarios requiring rapid or frequent operation, such as kitchen wall cabinets and filing cabinets, this problem of insensitive triggering will significantly affect the efficiency and smoothness of use.

[0007] Furthermore, due to potentially unstable connections between the trigger panel and the microswitch or a lack of proper cushioning, prolonged use, wear, or improper pressing can easily damage the trigger mechanism, further affecting trigger reliability and product durability. Especially in "manual triggering" scenarios used as emergency measures, if the trigger mechanism itself is not durable or sensitive, it will be unable to provide reliable operation in emergency situations, thus necessitating further improvements. Utility Model Content

[0008] The purpose of this invention is to overcome the shortcomings of existing technologies and provide a micro-motion cabinet door trigger switch that is more compact in structure, more aesthetically pleasing in appearance, can provide a larger trigger area, higher trigger sensitivity, and is more stable and durable.

[0009] The purpose of this utility model is achieved through the following means: a micro-motion cabinet door trigger switch, which includes a housing fixed inside the cabinet, the housing having a hollow cavity, a main control circuit board and a micro switch installed inside the cavity, and the actuating end of the micro switch extending to the front end of the housing. The front end of the housing is provided with a front panel, and the front panel is provided with mounting holes that mate with the actuating end of the micro switch. It also includes a trigger panel, which covers and is installed on the surface of the front panel and is connected to the actuating end of the micro switch; the back of the trigger panel is provided with several connecting feet, which extend into the housing and are connected and fixed to the structure inside the accommodating cavity.

[0010] Furthermore, a limit ring is provided on the back of the trigger panel, and a shock-absorbing pad is installed inside the limit ring. The shock-absorbing pad is connected to a micro switch.

[0011] Furthermore: the connecting feet are provided in at least two sets, each set of connecting feet includes a first elastic leg and a second elastic leg, and the opposing surfaces of the first elastic leg and the second elastic leg extend outward with barbs. Correspondingly, the receiving cavity is provided with a limit buckle and a barb hook.

[0012] Furthermore: the end face of the barb is provided with a first guide surface, and correspondingly, the end face of the limit buckle is provided with a second guide surface. When the connecting foot is installed, the first guide surface and the second guide surface press against each other, and after the connecting foot is deformed, the limit buckle and the barb are hooked together.

[0013] Furthermore, the trigger panel and connecting pins are integrally injection molded from plastic material.

[0014] Furthermore, the front panel has a guide hole that communicates with the receiving cavity, and the connecting foot extends into the receiving cavity through the guide hole.

[0015] Furthermore: the accommodating cavity has a communicating opening on the side wall of the housing, and the side panel is installed over the communicating opening.

[0016] Furthermore, the inner surface of the side panel is provided with several guide grooves, and correspondingly, the housing is provided with several guide rails that cooperate with them. The side panel is detachably connected to the guide rails through the guide grooves.

[0017] Furthermore, a reset spring is also provided inside the accommodating cavity. The reset spring is connected to the connecting foot and pushes the connecting foot to move outward in an outward direction.

[0018] The beneficial effects of this utility model are: 1. Simple structure, low production cost, and improved market competitiveness.

[0019] This utility model uses an independent trigger panel to cover and install on the surface of the front panel. This design allows the trigger panel to be much larger than the traditional micro switch's built-in button, and can even be equivalent to the slot or exposed area on the cabinet door, thus forming a large trigger area. Users do not need to search precisely; they can easily trigger the switch by simply touching or pressing within a large area.

[0020] This significantly increases the accuracy of triggering and reduces the difficulty of operation. Especially in situations with insufficient light, limited visibility, or where users cannot accurately identify the trigger, it ensures quick and accurate operation, significantly improving the user experience and ease of use of the product. Whether triggered by the main cabinet door or manually in an emergency, it provides a more intuitive and comfortable interaction.

[0021] In this invention, the trigger panel is connected to the actuating end of the micro switch and is connected to the micro switch through a shock-absorbing pad installed inside the limiting ring. This structure helps to achieve smoother and more sensitive trigger conduction and protects the micro switch.

[0022] The connecting feet, together with the limiting buckles within the accommodating cavity, form a stable and reliable elastic connection structure. This design not only ensures a secure connection between the trigger panel and the main structure, preventing loosening or detachment during long-term use, but also, through the deformation characteristics of the elastic feet, allows force to be evenly transmitted when pressing a large area of ​​the trigger panel, thereby improving the sensitivity and consistency of triggering. Attached Figure Description

[0023] Figure 1 , 2 This is a diagram showing the final assembly and usage effect of this utility model.

[0024] Figure 3 This is an exploded view of the structure of this utility model.

[0025] Figure 4 This is a schematic diagram of the shell structure in this utility model.

[0026] Figure 5 This is a cross-sectional view of the structure of this utility model.

[0027] Explanation of reference numerals in the attached drawings: 1. Housing; 11. Guide rail; 2. Receiving cavity; 21. Limiting buckle; 22. Second guide surface; 23. Guide hole; 3. Main control circuit board; 4. Micro switch; 5. Front panel; 51. Mounting hole; 6. Trigger panel; 61. Limiting ring; 62. Shock-absorbing pad; 63. First elastic leg; 64. Second elastic leg; 65. Barb; 66. First guide surface; 7. Side panel; 71. Guide groove; 8. Reset push spring. Detailed Implementation

[0028] The present invention will be further described in detail below with reference to the accompanying drawings. A micro-motion cabinet door trigger switch includes a housing 1 fixed inside the cabinet. The housing 1 has a hollow cavity 2. A main control circuit board 3 and a micro switch 4 are installed in the cavity 2. The actuating end of the micro switch 4 extends to the front end of the housing 1. The front end of the housing 1 is provided with a front panel 5, and the front panel 5 is provided with a mounting hole 51 that mates with the actuating end of the micro switch 4. It also includes a trigger panel 6, which covers and is installed on the surface of the front panel 5 and is connected to the actuating end of the micro switch 4; the back of the trigger panel 6 is provided with several connecting feet, which extend into the housing 1 and are connected and fixed to the structure inside the accommodating cavity 2.

[0029] In this embodiment: when the user presses or touches the trigger panel 6 located on the surface of the front panel 5, the trigger panel 6 moves inward as a whole. Since the trigger panel 6 is directly connected to the actuating end of the microswitch 4 installed in the accommodating cavity 2 and whose actuating end extends to the front panel 5, the displacement of the trigger panel 6 directly pushes the actuating end of the microswitch 4, causing its internal contacts to close or open, thereby generating an electrical signal. This electrical signal is received and processed by the main control circuit board 3 in the accommodating cavity 2, thereby controlling the electric opening and closing of the cabinet door. The trigger panel 6 is connected and fixed to the structure inside the accommodating cavity 2 through the connecting feet on its back, ensuring that the trigger panel 6 can return to its initial position after being moved by force through the elasticity of the connecting feet or the reset mechanism.

[0030] Compared with traditional technologies, this trigger panel 6 is installed on the surface of the front panel 5. Its area can be much larger than the pressing button of the micro switch 4 itself, and it can even be integrated with the cabinet surface to form a large trigger area, which greatly improves the accuracy and convenience of triggering and solves the problems of small trigger area and difficulty in positioning in the existing technology.

[0031] In one embodiment: a limit ring 61 is provided on the back of the trigger panel 6, and a shock-absorbing pad 62 is installed inside the limit ring 61. The shock-absorbing pad 62 is connected to the micro switch 4.

[0032] In this embodiment: when the trigger panel 6 is pressed and moves inward, the limiting ring 61 on its back restricts the deformation of the shock-absorbing pad 62, so that the shock-absorbing pad 62 transmits the pressing force evenly and gently to the actuating end of the micro switch 4. The shock-absorbing pad 62 undergoes elastic deformation after being pressed, transmitting the pressing force to the micro switch 4, and rebounds after the pressing is completed, providing partial reset force or buffering.

[0033] The shock-absorbing pad 62 absorbs the impact force during pressing, preventing excessive or uneven pressing force from directly affecting the microswitch 4, thus effectively protecting the microswitch 4 body and extending its service life. In addition, the shock-absorbing pad 62 provides cushioning, allowing users to experience a smoother, softer, and more comfortable pressing feel when pressing the trigger panel 6, improving the user experience.

[0034] In one embodiment: the connecting feet are provided in at least two sets, each set of connecting feet includes a first elastic leg 63 and a second elastic leg 64, and the opposing surfaces of the first elastic leg 63 and the second elastic leg 64 extend outward with barbs 65. Correspondingly, the receiving cavity 2 is provided with a limit buckle 21 and a hook 65 for fastening.

[0035] In this embodiment, the connecting foot on the back of the trigger panel 6, through the elastic deformation of its first elastic leg 63 and second elastic leg 64, allows the barb 65 on the outer side of the leg to engage with the limiting buckle 21 inside the receiving cavity 2. This elastic buckle structure allows the connecting foot to move inward when the trigger panel 6 is pressed, and the elastic leg to deform briefly; when the pressing ends, the connecting foot, through its own elastic restoring force, causes the barb 65 to return to its initial position under the constraint of the limiting buckle 21, thereby driving the trigger panel 6 to reset.

[0036] Therefore, the hook 65 and the latch 21 form a secure yet movable connection, ensuring that the trigger panel 6 will not detach or loosen under frequent pressing. At the same time, the latch design typically eliminates the need for additional fasteners, facilitating quick assembly. Furthermore, the design with multiple connecting feet helps to distribute force more evenly when pressing the trigger panel 6, reducing localized stress concentration.

[0037] In one embodiment: the end face of the barb 65 is provided with a first guide surface 66, and correspondingly, the end face of the limit buckle 21 is provided with a second guide surface 22. When the connecting foot is installed, the first guide surface 66 and the second guide surface 22 press against each other, and after the connecting foot is deformed, the limit buckle 21 and the barb 65 are hooked together.

[0038] During assembly, when the end of the connecting leg with the barb 65 is pushed into the retaining buckle 21 in the receiving cavity 2, the first guide surface 66 on the end face of the barb 65 contacts and presses against the second guide surface 22 on the end face of the retaining buckle 21. This pressing action forces the two elastic legs of the connecting leg to deform or retract inward along the slope direction of the guide surface. After the barb 65 crosses the protruding part of the retaining buckle 21, the elastic legs return to their original shape due to their own rebound force or the action of the guide surface, so that the barb 65 can be firmly locked into the slot of the retaining buckle 21, achieving a reliable hook.

[0039] The guide surface design allows the installation of the connecting feet to be completed automatically with a simple push-in action, eliminating the need for complex tools or precise alignment and greatly improving production efficiency. At the same time, the guide surface ensures the correct engagement of the barb 65 and the limit buckle 21, preventing loosening or failure of the connection due to improper installation.

[0040] In one embodiment, the trigger panel 6 and the connecting pin are integrally injection molded from plastic. Through this integral injection molding process, the trigger panel 6 and the connecting pin are shaped in one step during production, forming a seamless, unified structure.

[0041] In one embodiment: the front panel 5 has a guide hole 23 that communicates with the receiving cavity 2, and the connecting foot extends into the receiving cavity 2 through the guide hole 23.

[0042] The guide hole 23 on the front panel 5 serves as a channel for the connecting foot to enter the receiving cavity 2, ensuring that the connecting foot can smoothly pass through the front panel 5 and enter the internal space so as to hook with the limiting buckle 21 in the receiving cavity 2.

[0043] Meanwhile, the guide hole 23 provides precise installation positioning for the connecting foot, ensuring that the connecting foot can be correctly aligned with the hook structure inside the receiving cavity 2, simplifying the assembly process.

[0044] In one embodiment: the accommodating cavity 2 has a communicating opening on the side wall of the housing 1, and the side panel 7 is installed over the communicating opening.

[0045] In this embodiment, the accommodating cavity 2 has a communicating opening on the side wall of the housing 1, allowing side access to the interior of the accommodating cavity 2. The side panel 7 is used to close this opening, protecting internal components, such as the main control circuit board 3 and the micro switch 4, from external environmental influences such as dust and moisture, and also facilitating later replacement and maintenance of components such as the battery by the user. This eliminates the need to disassemble the entire device, greatly improving production efficiency and ease of later maintenance.

[0046] In one embodiment: the inner surface of the side panel 7 is provided with a plurality of guide grooves 71, and correspondingly, the housing 1 is provided with a plurality of guide rails 11 that cooperate with it. The side panel 7 is detachably connected to the guide rails 11 through the guide grooves 71.

[0047] The side panel 7 is connected to the guide rail 11 on the housing 1 by means of a guide groove 71 on its inner surface, which can be slid in or snapped in. This connection method allows the side panel 7 to be easily installed and kept stable, while also being easily removed to enable convenient access to the internal components.

[0048] In one embodiment, a reset spring 8 is also provided in the accommodating cavity 2. The reset spring 8 is connected to the connecting foot and pushes the connecting foot to move outward at all times.

[0049] In this example: one end of the reset spring is installed inside the receiving cavity 2, and the other end acts on the connecting foot on the back of the trigger panel 6. When the trigger panel 6 is pressed inward, the reset spring is compressed and stores elastic potential energy. When the pressing force is released, the reset spring releases the stored energy, pushing the connecting foot outward, thereby causing the trigger panel 6 to quickly and accurately return to its initial position.

[0050] This mechanism ensures that the trigger panel 6 reliably returns to its initial state after each trigger, preventing jamming or incomplete reset and guaranteeing continuous and effective switch operation. Simultaneously, the reset spring provides a clear tactile feedback or rebound force, further enhancing the user's pressing experience. Furthermore, the reset spring ensures proper clearance between the trigger panel 6 and the microswitch 4, reducing unnecessary friction and wear, thereby extending the overall lifespan of the trigger switch. It also provides a certain preload, which helps maintain component stability during cabinet door opening and closing vibrations.

[0051] In summary, this utility model provides a micro-motion cabinet door trigger switch, the core of which lies in solving the problems of small trigger area, low sensitivity, inconvenient operation, and poor reliability in existing technologies through innovative structural design. Its overall working principle is as follows: 1. Initial state and installation: The trigger switch is first fixedly installed inside the cabinet. Inside, a hollow cavity 2 is constructed from the housing 1, and the main control circuit board 3 and micro switch 4 are securely installed within the cavity 2. The actuating end of the micro switch 4 extends precisely to the mounting hole 51 on the front panel 5 at the front end of the housing 1. The trigger panel 6, as the component directly contacted by the user, covers and is installed on the surface of the front panel 5. Several sets of connecting feet are integrally injection molded on the back of the trigger panel 6. These connecting feet extend into the cavity 2 through guide holes 23 on the front panel 5. During installation, the first guide surface 66 on the connecting feet presses against the second guide surface 22 on the limiting buckle 21 inside the cavity 2, causing the elastic leg of the connecting foot to deform, allowing the barb 65 to smoothly engage with the limiting buckle 21, achieving a reliable connection between the trigger panel 6 and the internal structure of the cavity 2. Meanwhile, the reset push spring inside the accommodating cavity 2 is connected to the connecting foot, and always applies an outward pushing force to it, so that the trigger panel 6 remains in the outermost initial position when it is not pressed, and is ready to receive the trigger command.

[0052] 2. Triggering operation: When a user needs to open or close the cabinet door electrically, whether in the main "cabinet door trigger" mode by pressing the cabinet door surface to move the trigger panel 6, or in the "manual trigger" mode by directly pressing the trigger panel 6, the large area of ​​the trigger panel 6 allows the user to easily reach it without precise aiming. The trigger panel 6 moves inward under pressure. At this time, the limiting ring 61 on the back of the trigger panel 6 will cause the internal shock-absorbing pad 62 to compress inward as well. The shock-absorbing pad 62 buffers and evenly transmits the pressing force to the actuating end of the micro switch 4. The actuating end of the micro switch 4 is pushed, causing a change in the state of its internal electrical contacts.

[0053] 3. Signal processing and cabinet door operation: When the microswitch 4 changes state, it immediately generates an electrical signal, which is transmitted through a wire to the main control circuit board 3 inside the accommodating cavity 2. The main control circuit board 3 receives and recognizes this signal, determines the user's intention (e.g., an open or close command) according to a preset program, and issues a corresponding control command to the electric mechanism of the cabinet door. Upon receiving the command, the electric mechanism drives the cabinet door to perform the open or close action.

[0054] 4. Reset and Loop: When the user releases the pressure on the trigger panel 6, the compressed reset spring immediately releases its stored elastic potential energy, pushing the connecting foot outward. Since the connecting foot is integrally formed with the trigger panel 6 and connected to the micro switch 4 via the shock-absorbing pad 62, the trigger panel 6 quickly and reliably returns to its initial position under the action of the reset spring. Simultaneously, the barb 65 on the connecting foot, constrained by the limit latch 21, ensures a smooth and complete reset process, preparing for the next trigger.

[0055] 5. Maintenance and convenience: To facilitate the installation and maintenance of internal components, the accommodating cavity 2 has a communicating opening on the side wall of the housing 1, which is covered by the side panel 7. The side panel 7 is detachably connected to the guide rail 11 on the housing 1 through the guide groove 71 on its inner surface, allowing maintenance personnel to quickly open the side panel 7 without disassembling the entire switch to inspect or replace core components such as the main control circuit board 3 and the micro switch 4, greatly improving the maintainability and convenience of the product.

[0056] In summary, this utility model, through its ingenious large-area trigger panel design, elastic and shock-absorbing connection mechanism, precise guiding hook structure, and convenient lateral maintenance channel, forms a micro-motion cabinet door trigger switch that is easy to operate, sensitive to triggering, structurally stable, durable, and easy to maintain. It effectively solves many pain points in the prior art and significantly improves the user experience.

[0057] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A micro-motion cabinet door trigger switch, characterized in that: It includes a housing (1) fixed inside the cabinet, the housing (1) having a hollow cavity (2) inside, a main control circuit board (3) and a micro switch (4) installed in the cavity (2), and the actuating end of the micro switch (4) extending to the front end of the housing (1). The front end of the housing (1) is provided with a front panel (5), and the front panel (5) is provided with a mounting hole (51) that cooperates with the actuating end of the micro switch (4). It also includes a trigger panel (6), which covers and is installed on the surface of the front panel (5) and is connected to the actuating end of the micro switch (4); the back of the trigger panel (6) is provided with several connecting feet, which extend into the housing (1) and are connected and fixed to the structure in the accommodating cavity (2).

2. The micro-motion cabinet door trigger switch according to claim 1, characterized in that: The trigger panel (6) has a limit ring (61) on its back, and a shock-absorbing pad (62) is installed inside the limit ring (61). The shock-absorbing pad (62) is connected to the micro switch (4).

3. The micro-motion cabinet door trigger switch according to claim 1, characterized in that: The connecting feet are provided in at least two sets. Each set of connecting feet includes a first elastic leg (63) and a second elastic leg (64). The opposing surfaces of the first elastic leg (63) and the second elastic leg (64) have barbs (65) extending outward. Correspondingly, the receiving cavity (2) is provided with a limit buckle (21) and a barb (65) hook.

4. The micro-motion cabinet door trigger switch according to claim 3, characterized in that: The end face of the barb (65) is provided with a first guide surface (66), and correspondingly, the end face of the limit buckle (21) is provided with a second guide surface (22). When the connecting foot is installed, the first guide surface (66) and the second guide surface (22) press against each other, and after the connecting foot is deformed, the limit buckle (21) and the barb (65) are hooked together.

5. The micro-motion cabinet door trigger switch according to claim 3, characterized in that: The trigger panel (6) and the connecting pin are integrally injection molded from plastic material.

6. The micro-motion cabinet door trigger switch according to claim 1, characterized in that: The front panel (5) is provided with a guide hole (23) that communicates with the accommodating cavity (2), and the connecting foot extends into the accommodating cavity (2) through the guide hole (23).

7. The micro-motion cabinet door trigger switch according to claim 1, characterized in that: The accommodating cavity (2) has a communicating opening on the side wall of the housing (1), and the side panel (7) is installed over the communicating opening.

8. The micro-motion cabinet door trigger switch according to claim 7, characterized in that: The inner surface of the side panel (7) is provided with several guide grooves (71), and correspondingly, the housing (1) is provided with several guide rails (11) that cooperate with it. The side panel (7) is detachably connected to the guide rails (11) through the guide grooves (71).

9. The micro-motion cabinet door trigger switch according to claim 7, characterized in that: The cavity (2) is also provided with a reset push spring (8), which is connected to the connecting foot and pushes the connecting foot to move outward at all times.

Images