CN211088128U - Switch device - Google Patents

Abstract

The utility model is suitable for an electric connection technical field especially relates to a switching device, include: the fixing frame is provided with a cavity, the cavity is provided with an opening, and a switch is arranged at the opening of the cavity; the bracket is arranged at the opening of the cavity and arranged on one side of the switch, which is far away from the cavity; the bracket comprises a fixed part, a trigger part arranged right opposite to the switch and a plurality of pressing parts which extend along the plane direction of the trigger part and are divergently arranged; the trigger part, the pressing part and the fixing part are provided with gaps and are elastically connected into a whole, and the trigger part moves under pressure and triggers the switch to be switched on and off; the free end of the pressing part tilts towards the direction departing from the switch; and the key is arranged on one side of the support, which is far away from the switch, and is supported by the free end of the pressing part. The switch device has simple and reliable integral structure, no dead angle on the surface of the key, and the on-off of the circuit board can be controlled by pressing any position on the surface of the key.

Description

Switch device

Technical Field

The utility model is suitable for an electric connection technical field especially relates to a switching device.

Background

With the improvement of living standard of people, the wide application of electronic products and the popularization of internet, the functions of the switch socket are gradually developed from the traditional mechanical switch to the aspect of electronic intelligent home, and in recent years, the intelligent switch is changing day by day, gradually replaces the traditional mechanical switch, and becomes an indispensable part in life. In the intelligent switch product, the microswitch is widely applied due to the characteristics of simple structure, longer sensitivity and service life, small volume and the like.

The microswitch is usually provided with at least one contact below the key panel, and when a user presses the key panel, the contact is triggered to open or close the circuit. However, at present, a microswitch cannot realize that any point of a key panel is pressed, namely a trigger contact, a user needs to find a pressing point corresponding to the contact on the key panel and press the pressing point to realize the on-off of a circuit, so that the use hand feeling of the user is greatly influenced; in addition, under the condition of blind operation, a user can only find a pressing point by touching for many times, which causes poor use experience of the user.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a switching device aims at solving the problem that current switching device can't press the arbitrary position realization circuit break-make in button surface.

The embodiment of the utility model provides a realize like this, provide a switching device, include:

the fixing frame is provided with a cavity, the cavity is provided with an opening, and a switch is arranged at the opening of the cavity;

the bracket is arranged at the opening of the cavity and arranged on one side of the switch, which is far away from the cavity; the bracket comprises a fixed part, a trigger part arranged right opposite to the switch and a plurality of pressing parts which extend along the plane direction of the trigger part and are divergently arranged; the triggering part, the pressing part and the fixing part are provided with gaps and are elastically connected into a whole, and the triggering part moves under pressure and triggers the switch to be switched on and off; the free end of the pressing part tilts towards the direction away from the switch;

and the key is connected to one side of the support, which is far away from the switch, and is supported by the free end of the pressing part.

Furthermore, a boss is arranged on the surface of the trigger part opposite to the switch, and the boss is matched with the switch.

Furthermore, the pressing part is Z-shaped and is formed by integrally extending and bending the edge of the triggering part.

Furthermore, a reinforcing rib is arranged at the bending part of the pressing part.

Furthermore, the number of the pressing parts is four, and the four pressing parts extend towards four corners of the switch device respectively.

Furthermore, the support further comprises a plurality of elastic connecting parts, one end of each elastic connecting part is connected with the fixing part, and the other end of each elastic connecting part is connected with the pressing part or the triggering part, so that the triggering part, the pressing part and the fixing part are elastically connected into a whole.

Furthermore, the elastic connecting part is connected with the side edge of the non-free end of the pressing part.

Further, the elastic connection portion is arc-shaped.

Furthermore, a first positioning hole is formed in the pressing portion, and a first positioning column in interference fit with the first positioning hole is formed in the key.

Furthermore, two sides of the fixing part are respectively provided with a rotating shaft, and the key is provided with a shaft hole matched with the rotating shaft.

The embodiment of the utility model provides a trigger portion and a plurality of and disperse the supporting splenium that sets up through set up on the support with fixed part elastic connection, and make the free end of supporting splenium to the direction perk that deviates from the switch, in order to support the button, when making any position on button surface pressed, external force all can be given for supporting the splenium by the button transmission, transmit for trigger portion by supporting the splenium again, make trigger portion can press the switch that just sets up relatively, realize opening and closing of circuit, this switching device overall structure is simple reliable, and through pressing any position on button surface, can control circuit's break-make, user's use experience is felt has been improved.

Drawings

Fig. 1 is a schematic diagram of a switching device provided by an embodiment of the present invention;

fig. 2 is an exploded view of a switching device according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a switching device according to an embodiment of the present invention;

fig. 4 is a sectional view of the key and the bracket according to the embodiment of the present invention;

fig. 5 is a schematic view of a bracket provided by an embodiment of the present invention;

fig. 6 is a schematic diagram of a key according to an embodiment of the present invention.

In the figure, 1, a fixed frame; 11. a cavity; 12. a first limiting part; 13. a second card slot; 2. a circuit board assembly; 21. a second limiting part; 3. pressing a plate; 31. a via hole; 32. a second buckle; 4. a support; 41. a fixed part; 411. a first card slot; 412. a support portion; 413. a rotating shaft; 42. a trigger section; 421. a boss; 422. A second positioning hole; 43. a pressing part; 431. a first positioning hole; 44. an elastic connection portion; 5. a panel; 6. Pressing a key; 61. a first buckle; 62. a first positioning post; 63. a second positioning column; 64. a shaft hole; 65. a projection; 7. and (4) switching.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The bracket 4 of the utility model comprises a fixed part 41, a trigger part 42 which is arranged opposite to the switch 7 in positive phase and a plurality of pressing parts 43 which are arranged divergently and extend along the plane direction of the trigger part 42; the triggering part 42, the pressing part 43 and the fixing part 41 have gaps and are elastically connected into a whole, and the triggering part 42 moves under pressure and triggers the switch 7 to be opened and closed; the free end of the pressing part 43 is tilted in the direction away from the switch 7, and is used for supporting the key 6. The embodiment of the utility model provides a trigger part 42 and a plurality of and the diffusion of setting of pressing part 43 through set up on support 4 with 41 elastic connection of fixed part, and make the free end of pressing part 43 to the direction perk of leaving switch 7 back to the back, with support button 6, when making the arbitrary position in button 6 surface pressed, external force all can be transmitted for pressing part 43 by button 6, transmit trigger part 42 again by pressing part 43, make trigger part 42 can press the switch 7 that just sets up relatively, realize opening and closing of circuit, this switching device overall structure is simple reliable, and through pressing arbitrary position on button 6 surface, can control circuit's break-make, user's use experience is felt has been improved.

Example one

As shown in fig. 1-5, an embodiment of the present invention provides a switch device, which includes a fixing frame 1, a circuit board assembly 2, a pressing plate 3, a bracket 4, a panel 5, a button 6, and a switch 7.

Wherein, mount 1 is equipped with cavity 11, and this cavity 11 has the opening, and circuit board assembly 2 sets up in cavity 11 to fix circuit board assembly 2 in cavity 11 by clamp plate 3, switch 7 installs on circuit board assembly 2, and this switch 7 is located the 11 openings of cavity, because switch 7 needs expose, so that press, still offer the via hole 31 that is used for avoiding the position for the opening in the middle part of clamp plate 3, switch 7 stretches out from this via hole 31. The panel 5 is arranged at the opening of the cavity 11 of the fixing frame 1 and used for sealing the fixing frame 1 and limiting the bracket 4, and the panel 5 can be fixed on the fixing frame 1 through the hook-and-buckle matching.

The edge of the pressing plate 3 is provided with a second buckle 32 in a protruding manner, and a second clamping groove 13 matched with the second buckle 32 is arranged in the cavity 11 of the fixing frame 1. After the circuit board assembly is fixed in the cavity 11, the pressing plate 3 is placed on the fixing frame 1, and the second fastener 32 is clamped into the second clamping groove 13, so that the pressing plate 3 is fixed on the fixing frame 1.

A plurality of first limiting parts 12 are arranged in the cavity 11 of the fixing frame 1, and a plurality of second limiting parts 21 matched with the first limiting parts 12 are arranged on the circuit board assembly 2. When the circuit board assembly 2 is placed in the cavity 11, the first limiting portion 12 is matched with the second limiting portion 21, and the pressing plate 3 is limited, so that the circuit board assembly 2 is fixed in the cavity 11. For example, the first position-limiting portion 12 is a protruding strip disposed on the sidewall of the cavity 11, the second position-limiting portion 21 is a notch disposed on the circuit board assembly 2, and the protruding strip is inserted into the notch to limit the circuit board assembly 2.

The bracket 4 is arranged at the opening of the cavity 11 and is arranged at one side of the switch 7 departing from the cavity 11; the bracket 4 comprises a fixed part 41, a trigger part 42 arranged opposite to the switch 7 in positive phase and a plurality of pressing parts 43 extending along the plane direction of the trigger part 42 and arranged divergently; the triggering part 42, the pressing part 43 and the fixing part 41 have gaps and are elastically connected into a whole, and the triggering part 42 moves under pressure and triggers the switch 7 to be opened and closed; the free end of the pressing part 43 tilts away from the switch 7. The trigger part 42 is arranged in the middle of the bracket 4, the divergent arrangement means that the plurality of pressing parts 43 are arranged at divergent intervals or uniformly arranged at intervals around the trigger part 42 as the center, and the arrangement is favorable for more directly transmitting the force applied to one or more pressing parts 43 to the trigger part 42, so that the trigger part 42 moves the pressing switch 7 to trigger the on and off of the switch 7, and further the on and off of the circuit are realized.

The utility model discloses in, switch 7 only needs to set up one, just sets up relatively with the middle part of trigger part 42. The trigger 42 may alternatively be circular in shape, but of course may be other shapes, such as rectangular, square, etc. The panel 5 and the holder 1 sandwich the edge of the fixing portion 41, thereby fixing the fixing portion 41 and the holder 4. The bracket 4 may be directly fixed to the panel 5 in a hook-and-loop manner, which is not limited herein.

The push button 6 is connected to the side of the bracket 4 away from the switch 7 and is supported by the free end of the pressing part 43. The free end of the pressing part 43 tilts to the direction away from the switch 7 to support the key 6, and a larger space is formed between the free end of the pressing part 43 and the pressing plate 3, so that the stroke of the key 6 when being pressed is longer, and the movable distance of the trigger part 42 to the switch 7 is longer.

Four corners of the fixing portion 41 are respectively provided with a first engaging groove 411, and one side of the key 6 close to the bracket 4 is provided with a first buckle 61 adapted to the first engaging groove 411. The first buckle 61 has elasticity, when the first buckle 61 is embedded into the first slot 411, the first buckle 61 hooks the bracket 4, so that the key 6 is installed on the bracket 4, and since the key 6 is supported by the free end of the pressing part 43, a gap is left between the key 6 and the fixing part 41, and the key 6 has a moving space when being pressed. When the first latch 61 is disengaged from the first slot 411, the button 6 can be detached from the bracket 4.

Furthermore, the bracket 4 further includes a plurality of elastic connection portions 44, one end of each elastic connection portion 44 is connected to the fixing portion 41, and the other end is connected to the pressing portion 43 or the triggering portion 42, so that the triggering portion 42, the pressing portion 43 and the fixing portion 41 are elastically connected into a whole. Set up a plurality of elastic connection portion 44, when making every pressure portion 43 atress, the elasticity reaction force of the elastic connection portion 44 that receives is balanced, prevents that local frequent atress from leading to unable the back that resets after the elastic fatigue, influences the life and the pleasing to the eye of product.

Furthermore, the elastic connecting part 44 is connected with the side edge of the non-free end of the pressing part 43, so that the free end of the pressing part 43 is farther away from the connection part of the elastic connecting part 44, the moment is larger, the lever effect is achieved, the free end of the pressing part 43 is more sensitive, when the free end of the pressing part 43 is subjected to slight force transmitted by the key 6, the force can be transmitted to the triggering part 42 to further touch the switch 7, the hand feeling is better when a user presses the key 6, and the on-off control of the switch device can be completed only by small force. Of course, the elastic connection portion 44 is connected to the edge of the triggering portion 42 to achieve the technical effects described above.

The elastic connecting part 44 is connected with the pressing part 43 near the triggering part 42 or directly connected with the triggering part 42, so that the pressing part 43 and the triggering part 42 are equivalent to a whole and move simultaneously under the action of external force or the elastic connecting part 44, and therefore when any position of the key 6 is stressed, the external force is more easily transmitted to the triggering part 42, and the switch 7 is touched.

The elastic connecting portion 44 is arc-shaped, so that the strength and the elastic modulus of the elastic connecting portion 44 are improved, the elastic connecting portion 44 has larger elasticity, the failure of the elastic connecting portion 44 due to elastic fatigue is delayed, and the service life of the elastic connecting portion 44 is prolonged.

Furthermore, when no external force is applied, the triggering portion 42 is flush with the fixing portion 41, is flush with the switch 7, and is in a pre-triggering state, the fixing portion 41 of the bracket 4 is provided with the supporting portion 412, and will be pressed against the pressing plate 3 when being assembled into a finished product, so that the strength around the fixing portion 41 of the bracket 4 is ensured, and the loss of elastic kinetic energy is reduced when the middle triggering portion 42 is pressed.

The embodiment of the utility model provides an in, the user presses the arbitrary position in 6 surfaces of button, and button 6 pushes down pressing portion 43, drives trigger portion 42 and moves down for trigger portion 42 touch switch 7, thereby makes the circuit realize switching on or breaking off, and after the user loosed one's hand, pressing portion 43 and trigger portion 42 elastic recovery promoted button 6 and resets. The user presses any position on the surface of the key 6 again, the key 6 presses the pressing part 43 again to drive the trigger part 42 to move downwards again, so that the trigger part 42311 touches the micro-motion again, the circuit of the circuit board is disconnected or connected, and after the user releases the hand again, the pressing part 43 and the trigger part 42 elastically recover to push the key 6 to reset.

The embodiment of the utility model provides a trigger part 42 and a plurality of and the diffusion of setting of pressing part 43 through set up on support 4 with 41 elastic connection of fixed part, and make the free end of pressing part 43 to the direction perk of leaving switch 7 back to the back, with support button 6, when making the arbitrary position in button 6 surface pressed, external force all can be transmitted for pressing part 43 by button 6, transmit trigger part 42 again by pressing part 43, make trigger part 42 can press the switch 7 that just sets up relatively, realize opening and closing of circuit, this switching device overall structure is simple reliable, and through pressing arbitrary position on button 6 surface, can control circuit's break-make, user's use experience is felt has been improved.

Example two

As shown in fig. 3 and 5, in an optional embodiment of the present invention, a boss 421 is disposed on a surface of the trigger 42 opposite to the switch 7, and the boss 421 is adapted to the switch 7.

The switch 7 is disposed at a central position of the circuit board assembly 2, and similarly, the boss 421 is disposed at a central position of the trigger portion 42. The shapes and sizes of the two can be approximately the same, and it is also feasible that the surface area of the boss 421 is larger or smaller than the surface area of the switch 7, and is not limited herein.

When the user presses the key 6, the pressing part 43 and the triggering part 42 are driven to move downwards. With the downward movement of the trigger 42, the boss 421 and the switch 7 abut against each other, and the switch 7 is pressed to turn on or off the circuit.

Due to the mutual matching of the boss 421 and the switch 7, the control on/off of the circuit can be ensured after the user presses the key 6, and the control failure of the circuit caused by the insufficient displacement stroke of the trigger part 42 failing to touch the switch 7 is avoided.

When the switch device is in a static state, the boss 421 and the switch 7 are mutually attached to be flat, and are in a pre-triggering state, so that the hand feeling can be improved qualitatively. In the embodiment of the utility model, for example, when pressing the one end of button 6, button 6 uses button 6 self other end to rotate as the axle, because the free end of pressing portion 43 is to the back of from switch 7's direction perk, the clearance between pressing portion 43 and the clamp plate 3 can set up 1.5mm or more, moves down the stroke when button 6 one end and is 1.5mm to mathematical formula calculates: 0.5 x 1.5 is 0.75mm, it can be known that the downward moving stroke of the boss 421 of the trigger part 42 located under the middle part of the key 6 is 0.75mm, and the stroke of the switch 7 is only 0.3mm, it can be known that after any position on the surface of the key 6 is pressed, the function of the trigger switch 7 can be surely triggered, and the on-off of the control circuit is realized.

EXAMPLE III

As shown in fig. 2-5, in an alternative embodiment of the present invention, the pressing portion 43 is a zigzag shape and is formed by extending and bending the edge of the triggering portion 42. The plane of the free end of the Z-shaped pressing part 43 is higher than that of the trigger part 42, so that the key 6 can be well supported. And the Z-shaped structure has good rigidity, can support the key 6 for a long time without external force, and can be quickly reset after the external force is applied, so that the pressing part 43 is prevented from being incapable of driving the trigger part 42 to move due to fatigue failure caused by pressing deformation.

Furthermore, the bending part of the pressing part 43 is provided with a reinforcing rib. The reinforcing rib can further improve the rigidity of the pressing part 43, and prevent the pressing part 43 from fatigue failure due to pressing deformation to drive the trigger part 42 to move.

Example four

As shown in fig. 2 to 5, in an alternative embodiment of the present invention, four pressing portions 43 extend toward four corners of the switch device. This is mainly the case for square, rectangular switching devices.

For square or rectangular switch devices, the length in the direction of the two diagonals is the largest, and dead angles are most easily generated, so that the phenomenon that the switch 7 cannot be triggered occurs. The pressing parts 43 are four, extend outwards along the edge of the triggering part 42 and extend to four corners of the proximity switch device, when a user directly presses the upper left corner, the lower left corner, the upper right corner or the lower right corner of the key 6, the acting force can be directly transmitted to the pressing parts 43 at corresponding positions, when the user directly presses the left part of the key 6, the acting force is transmitted to the pressing parts 43 at the upper left corner and the lower left corner, when the user directly presses the right part of the key 6, the acting force is transmitted to the pressing parts 43 at the upper right corner and the lower right corner, and the like, so that the generation of triggering dead angles can be avoided.

EXAMPLE five

As shown in fig. 2, 5 and 6, in an optional embodiment of the present invention, a first positioning hole 431 is disposed on the pressing portion 43, and a first positioning column 62 that is in interference fit with the first positioning hole 431 is disposed on the key 6. And, the triggering portion 42 is provided with a second positioning hole 422, and the key 6 is provided with a second positioning column 63 in interference fit with the second positioning hole 422. The first positioning column 62 and the second positioning column 63 are cross-shaped columns.

In the assembling process, the first positioning column 62 on the key 6 passes through the first positioning hole 431 on the pressing part 43 and is in interference fit, so that the key 6 and the pressing part 43 are connected into a whole, and the second positioning column 63 on the key 6 passes through the second positioning hole 422 on the triggering part 42 and is in interference fit, so that the key 6 and the triggering part 42 are connected into a whole, and therefore, after the key 6 is pressed, the stroke loss caused by insufficient structural strength can be reduced.

Of course, the key 6, the pressing portion 43 and the triggering portion 42 may also adopt other assembling manners, for example, an assembling manner of a buckle and a slot or an assembling manner of a hot melt, which are not described herein again.

EXAMPLE six

As shown in fig. 2, 5 and 6, in an optional embodiment of the present invention, two sides of the fixing portion 41 are respectively provided with a rotating shaft 413, and the key 6 is provided with a shaft hole 64 adapted to the rotating shaft 413.

Through grooves are formed on both sides of the fixing portion 41, and rotating shafts 413 are respectively provided in the through grooves. The push button 6 is provided with a protrusion 65 protruding from a side thereof facing the holder 4, and the protrusion 65 is provided with a shaft hole 64. During assembly of the key 6 with the holder 4, the shaft 413 is snapped into the shaft hole 64.

A lever structure is formed between the key 6 and the bracket 4, so that the key 6 can rotate around the rotating shaft 413 relative to the bracket 4. Meanwhile, after the rotating shaft 413 is clamped into the shaft hole 64, the limiting function can be realized mutually, and a user can clamp the rotating shaft 413 into the shaft hole 64 in the assembling process, so that the key 6 can be pre-installed on the support 4, and the user can conveniently realize the assembling; the rotating shaft 413 and the shaft hole 64 are limited mutually, and the displacement deviation is avoided.

The embodiment of the utility model provides a trigger part 42 and a plurality of and the diffusion of setting of pressing part 43 through set up on support 4 with 41 elastic connection of fixed part, and make the free end of pressing part 43 to the direction perk of leaving switch 7 back to the back, with support button 6, when making the arbitrary position in button 6 surface pressed, external force all can be transmitted for pressing part 43 by button 6, transmit trigger part 42 again by pressing part 43, make trigger part 42 can press the switch 7 that just sets up relatively, realize opening and closing of circuit, this switching device overall structure is simple reliable, and through pressing arbitrary position on button 6 surface, can control circuit's break-make, user's use experience is felt has been improved. The boss 421 is provided to ensure that the user can control the on/off of the circuit after pressing the key 6, and avoid the failure of the control of the circuit caused by insufficient displacement stroke of the trigger part 42 failing to touch the switch 7. The bending part of the pressing part 43 is provided with the reinforcing rib, so that the rigidity of the pressing part 43 can be further improved, and the situation that the triggering part 42 cannot be driven to move due to fatigue failure caused by pressing deformation of the pressing part 43 is prevented. The four pressing parts 43 extend outwards along the edge of the trigger part 42 and extend to the four corners of the proximity switch device, so that triggering dead angles are avoided. The first positioning post 62 of the key 6 passes through the first positioning hole 431 of the pressing part 43 to integrally connect the key 6 and the pressing part 43, so that the stroke loss caused by insufficient structural strength can be reduced after the key 6 is pressed.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A switching device, comprising:

the fixing frame is provided with a cavity, the cavity is provided with an opening, and a switch is arranged at the opening of the cavity;

the bracket is arranged at the opening of the cavity and arranged on one side of the switch, which is far away from the cavity; the bracket comprises a fixed part, a trigger part arranged right opposite to the switch and a plurality of pressing parts which extend along the plane direction of the trigger part and are divergently arranged; the triggering part, the pressing part and the fixing part are provided with gaps and are elastically connected into a whole, and the triggering part moves under pressure and triggers the switch to be switched on and off; the free end of the pressing part tilts towards the direction away from the switch;

and the key is connected to one side of the support, which is far away from the switch, and is supported by the free end of the pressing part.

2. The switch device of claim 1, wherein a surface of the trigger portion opposite to the switch is provided with a boss, and the boss is fitted to the switch.

3. The switch device according to claim 1, wherein the pressing portion is formed in a zigzag shape by integrally extending and bending the edge of the trigger portion.

4. The switch device according to claim 3, wherein the pressing portion is provided with a rib at a bent portion thereof.

5. The switching device according to claim 1, wherein the number of the pressing portions is four, and the four pressing portions extend toward four corners of the switching device, respectively.

6. The switch device according to any one of claims 1 to 5, wherein the bracket further comprises a plurality of elastic connecting portions, one end of each elastic connecting portion is connected with the fixing portion, and the other end of each elastic connecting portion is connected with the pressing portion or the triggering portion, so that the triggering portion, the pressing portion and the fixing portion are elastically connected into a whole.

7. The switch device according to claim 6, wherein the elastic connecting portion connects the non-free end side of the pressing portion.

8. The switching device of claim 6, wherein the resilient connecting portion is arcuate.

9. The switch device according to any one of claims 1 to 5, wherein the pressing portion is provided with a first positioning hole, and the key is provided with a first positioning column which is in interference fit with the first positioning hole.

10. The switch device according to any one of claims 1 to 5, wherein the fixed portion is provided with a rotating shaft on each side, and the key is provided with a shaft hole adapted to the rotating shaft.

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