Novel touch switch
By designing a novel tactile switch structure that combines a movable cover plate and a limiting protrusion, the problem of difficulty in controlling the pressing force and direction in existing technologies is solved, achieving reliable multi-angle triggering and extending service life.
Patent Information
- Application Number
- CN202520346966.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Existing tactile switches are difficult to control in terms of pressure and direction in children's toys, medical devices, and fitness equipment, which can easily lead to misalignment, affecting service life and causing poor contact.
A novel tactile switch structure was designed, comprising a movable cover, a plunger, a contact dome, and an arched spring. The multi-angle movement of the movable cover and the cooperation of the limiting protrusion and the spring reduce the influence of lateral forces and allow the structure to deform under strong pressure, thus protecting the internal components.
It achieves reliable triggering by pressing at multiple angles, reduces the impact of lateral force on the tactile switch, extends service life, and reduces poor contact.
Smart Images
Figure CN223858051U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a touch switch technical field more specifically, it relates to a novel touch switch. BACKGROUND
[0002] At present, the touch button switch is also called the button switch, when using, the switch function is closed and connected under the condition of meeting the operating force to the operating direction of the switch, when the pressure is removed, the switch is disconnected, and the internal structure is realized by the force change of the metal spring piece. The touch switch has the advantages of small contact resistance, accurate operating force error, and diversification of specifications, and is widely used in electronic equipment, white household appliances and the like.
[0003] However, the prior art still has some defects, when children play toys, medical equipment emergency switch, fitness running equipment, users are difficult to control the direction and size of their own acting force, the center position of the touch switch is easy to deviate when pressing, it is difficult to trigger the touch switch, the user will increase the force to make the touch switch deviate to the side, resulting in the deformation of the structure touch switch, reducing the service life; and the sudden large force pressing the touch switch is easy to cause the deformation of the internal spring piece, reducing the service life. UTILITY MODEL CONTENTS
[0004] In view of the defects in the prior art, the utility model provides a novel touch switch.
[0005] To achieve the above object, the utility model provides the following technical scheme: the base including the pin, the movable cover plate, the plunger, the contact dome, the bottom plate provided with the contact terminal, the movable cover plate is close to the upper end surface of the base, the plunger is provided with the partition layer protrusion extending outward, the partition layer protrusion is close to the movable cover plate, the base is provided with the limiting protrusion corresponding to the partition layer protrusion, the spring B is arranged between the partition layer protrusion and the limiting protrusion, the spring B is close to the lower end surface of the partition layer protrusion, the contact dome is close to the contact terminal, the bottom plate is provided with the accommodation structure, and the accommodation structure is close to the base.
[0006] The utility model is further provided with: the movable cover plate includes movable frame and movable plate, the movable frame is movably connected with the movable plate, the movable frame is movably connected with the base, the movable connection is hinged connection, and the rotation axis of the movable frame and the movable plate is perpendicular to the rotation axis of the movable frame and the base.
[0007] The utility model is further provided with: the movable plate and the movable frame are provided with symmetrical arc protrusions.
[0008] The utility model is further provided with: the upper part of the plunger is provided with a spherical top, and the movable cover plate is adapted to the plunger.
[0009] The utility model further sets up: let the structure of position includes a plurality of arched spring leaf, arched spring leaf is close to contact terminal.
[0010] The utility model further sets up: the bottom plate is provided with damping spring A, damping spring A is close to bottom plate edge.
[0011] Summarized above, the utility model has following beneficial effect:
[0012] The movable cover plate can be moved within a certain range, and the movable cover plate can press down the plunger to trigger the light touch switch, so that the utility model can be triggered by multi-angle force, the base can support the movable cover plate, reduce the influence of lateral force on the movable cover plate, and make the internal elements less affected by lateral force.
[0013] The arched spring leaf is small in deformation under the action of small force, supports the bottom plate, and is deformed to give way under the action of large force, reduces the impact on the contact dome, and makes the contact dome have a longer service life. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 It is the structural schematic diagram of the embodiment;
[0015] Fig. 2 It is a kind of sectional view of the embodiment;
[0016] Reference signs: 1, base;11, limit protrusion;2, movable cover plate;21, movable frame;22, movable plate;23, arc protrusion;3, plunger;31, layer protrusion;32, spherical top;4, contact dome;5, bottom plate;51, let position structure;511, arched spring leaf;512, damping spring A;52, contact terminal;7, spring B. DETAILED DESCRIPTION
[0017] The utility model is further explained in detail in connection with the accompanying drawings.
[0018] The embodiment discloses a kind of novel light touch switches, as shown in Figs. 1-2As shown, the base 1 includes pins, and further includes a movable cover plate 2 provided with an opening, a plunger 3, a contact dome 4, a bottom plate 5 provided with a contact terminal 52, the bottom plate 5 is made of insulating plastic, the movable cover plate 2 is close to the upper end surface of the base 1, the plunger 3 is provided with a partition protrusion 31 extending outward, the partition protrusion 31 is close to the movable cover plate 2, the partition protrusion 31 is arranged such that there is a small end stroke between the contact dome 4 and the plunger 3, and a slight vibration generated during movement causes the plunger 3 to collide with the contact dome 4, thereby accelerating the metal fatigue of the contact dome 4, the base 1 is provided with a limiting protrusion 11 matched with the partition protrusion 31, a spring B7 is arranged between the partition protrusion 31 and the limiting protrusion 11, the spring B7 is close to the lower end surface of the partition protrusion 31, the contact dome 4 is close to the contact terminal 52, the contact dome 4 can conduct the contact terminal 52 under pressure, and the bottom plate 5 is provided with a give structure 51, the give structure 51 is close to the base 1.
[0019] Further improvement, the movable cover plate 2 includes a movable frame 21 and a movable plate 22, the movable frame 21 is movably connected with the movable plate 22, the movable frame 21 is movably connected with the base 1, the movable connection is a hinge connection, and the rotation axes of the movable frame 21 and the movable plate 22 are perpendicular to the rotation axes of the movable frame 21 and the base 1. The movable frame 21 and the movable plate 22 can be relatively deflected around the connection shaft rotation center, and the movable frame 21 and the base 1 can be relatively deflected, and the two axes are perpendicular to each other, so that the movable cover plate 2 can be deflected at any point in the plane of the movable cover plate 2 under pressure, and will not be stuck.
[0020] Further improvement, the movable plate 22 and the movable frame 21 are provided with symmetrical arc-shaped protrusions 23. The arc-shaped protrusions 23 can rotate with the rotation of the movable plate 22 and the movable frame 21, so that the arc-shaped protrusions 23 can rotate when the movable plate 22 and the movable frame 21 are rotated under any force, the rotating arc-shaped protrusions 23 can well push the partition protrusion to move downward, and the lateral component force of the arc-shaped protrusions 23 when pushing the partition protrusion is small, which can well protect the internal elements.
[0021] Further improvement, the upper part of the plunger 3 is provided with a spherical top 32, and the movable cover plate 2 is matched with the plunger 3. The spherical top 32 is arranged such that the movable top cover will not collide with the spherical top when doing any movement, and the movement of the movable cover plate 2 is very smooth.
[0022] Further improvement, the let go structure 51 includes several arch-shaped spring leaves 511, the arch-shaped spring leaves 511 are close to the contact terminal 52.The arch-shaped spring leaves 511 contact the terminal 52 and the contact pin respectively, the arch-shaped spring leaves 511 are small in deformation in normal state, can support the bottom plate 5, when the pressure is large, the arch-shaped spring leaves 511 will be greatly deformed to provide displacement space to reduce the impact on the contact dome 4, reduce the fatigue of the contact dome 4, increase the service life of the utility model.
[0023] Further improvement, the bottom plate 5 is provided with a damping spring A512 close to the edge of the bottom plate 5.When the plunger 3 is pressed with small force, the arch-shaped spring leaves 511 may be slightly deformed, and the damping spring A512 is arranged to compensate the gap when the arch-shaped spring leaves 511 are slightly deformed and the bottom plate 5 moves slightly, thereby reducing the vibration of the bottom plate 5; the damping spring A512 can absorb the vibration of the bottom plate 5 when the bottom plate 5 vibrates, reduce the friction between the contact and the contact dome 4, reduce the formation of the oxidation layer on the surface of the contact piece caused by friction, and improve the durability of the utility model.
[0024] Working principle of the utility model
[0025] When the utility model is pressed in the center, the spherical top 32 can be directly pressed down to move the plunger 3 downward, the moving plunger 3 pushes the contact dome 4 to deform, the contact dome 4 contacts the contact terminal 52 arranged on the bottom plate 5 to make the utility model conductive; when any point on the surface of the movable plate 22 is pressed at any angle, the movable cover plate 2 rotates, the rotating movable cover plate 2 drives the arc-shaped protrusion 23 to rotate, the rotating arc-shaped protrusion 23 pushes the partition protrusion 31 to move the plunger 3 downward, the downward moving plunger 3 pushes the contact dome 4 to deform, the contact dome 4 contacts the contact terminal 52 arranged on the bottom plate 5 to make the utility model conductive.
[0026] When the force used on the utility model is large, the plunger 3 is pressed with large force, the arch-shaped spring leaves 511 arranged on the bottom plate 5 will be deformed to make room, reduce the impact on the contact dome 4, and make the contact dome 4 have a longer service life.
[0027] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement, improvement, etc. within the design concept of the utility model should be included in the protection scope of the utility model.
Claims
1. A new type of microswitch comprising a base (1) with a pin, characterized in that: Also include the setting with the opening movable cover plate (2), plunger (3), contact dome (4), set with contact terminal (52) bottom plate (5), the movable cover plate (2) is close to the base (1) upper end face, the plunger (3) is set to continuously extend the partition protrusion (31), the partition protrusion (31) is close to the movable cover plate (2), the base (1) is provided with the limiting protrusion (11) that the partition protrusion (31) is adapted, the partition protrusion (31) and the limiting protrusion (11) are set with spring B (7) between, the spring B (7) is close to the partition protrusion (31) lower end face, the contact dome (4) is close to the contact terminal (52), the bottom plate (5) is provided with the let structure (51), the let structure (51) is close to the base (1).
2. A new type of microswitch as claimed in claim 1, wherein: The movable cover plate (2) is provided with movable frame (21), movable plate (22), the movable frame (21) is movably connected with movable plate (22), the movable frame (21) is movably connected with base (1), the movable connection is hinged connection, the rotation axis of movable frame (21) and movable plate (22) and the rotation axis of movable frame (21) and base (1) are perpendicular intersection.
3. A novel microswitch as claimed in claim 2, wherein: The movable plate (22) and movable frame (21) are provided with symmetrical arc protrusions (23).
4. A new type of microswitch as claimed in claim 2, wherein: The upper part of the plunger (3) is provided as a spherical top (32), the movable cover plate (2) is adapted to the plunger (3).
5. A new type of microswitch as claimed in claim 1, wherein: The let structure (51) includes several arched spring leaves (511), the arched spring leaves (511) are close to the contact terminal (52).
6. A novel microswitch according to claim 5, characterized in that: The bottom plate (5) is provided with shock absorbing spring A (512), the shock absorbing spring A (512) is close to the bottom plate (5) edge.