CN217361420U - Switch and electrical equipment - Google Patents

Abstract

The embodiment of the application relates to the technical field of electrical equipment, and discloses a switch and electrical equipment, the switch includes base, micro-gap switch, key panel and balancing pole, micro-gap switch set up in the base, key panel is equipped with stiff end and expansion end, the stiff end with the one end of base is rotated and is connected, the expansion end with the other end swing joint of base, the balancing pole set up in the expansion end, and with the base butt, through key panel's expansion end sets up the structure of balancing pole makes the switch can when the optional position of key panel's expansion end is exerted pressure, reduce key panel's deformation volume, thereby improves key panel successfully triggers micro-gap switch's probability.

Description

Switch and electrical equipment

Technical Field

The embodiment of the application relates to the technical field of electrical equipment, in particular to a switch and electrical equipment.

Background

The switch is an electronic component capable of opening a circuit, interrupting a current or changing a current flow direction, and the switch on the market at present has a micro switch for a user to input a control signal. Along with the improvement of the aesthetic property demand of people for the switch, the traditional small key switch gradually evolves into a key panel type switch, the area of a key panel is properly increased, and the aesthetic property of the switch can be improved.

In the implementation process of the embodiment of the application, the inventor finds that: the micro-gap switch sets up the geometric centre position at the switch usually, when increase keypad area is in order to promote the switch aesthetic property, can have the too big problem of keypad edge distance micro-gap switch, when people exert pressure in keypad's edge, leads to keypad to warp easily, and keypad triggers the micro-gap switch failure, switch failure promptly.

SUMMERY OF THE UTILITY MODEL

The technical problem that this application embodiment mainly solved provides one kind, can be in when the optional position of the expansion end of button panel exerts pressure, reduce button panel's deformation volume to improve button panel successfully triggers micro-gap switch's probability.

In order to solve the above technical problem, one technical solution adopted in the embodiments of the present application is: providing a switch, wherein the switch comprises a base, a microswitch, a key panel and a balance rod, the microswitch is arranged on the base, and the microswitch is electrically connected with an external circuit; the key panel is provided with a fixed end and a movable end, the fixed end is rotatably connected with one end of the base, and the movable end is movably connected with the other end of the base; the balance rod comprises a rod body, a first extending portion and a second extending portion, the first extending portion and the second extending portion are respectively connected with two ends of the rod body, the rod body is rotatably arranged at the movable end of the key panel, and the first extending portion and the second extending portion are abutted to the base.

In some embodiments, the stabilizer bar is U-shaped, and the bar body, the first extension, and the second extension all lie in the same plane.

In some embodiments, the switch further includes a first elastic member, the first elastic member is sleeved on the rod body, and two ends of the first elastic member are respectively abutted against the first extending portion and the key panel.

In some embodiments, the balance bar further comprises a first transition portion and a second transition portion, the first transition portion is connected to the first extension portion and one end of the bar body, respectively, the second transition portion is connected to the second extension portion and the other end of the bar body, respectively, the first transition portion forms a first included angle with the first extension portion, and the second transition portion forms a second included angle with the second extension portion.

In some embodiments, a first bending portion is disposed at an end of the first extending portion away from the rod body, and a second bending portion is disposed at an end of the second extending portion away from the rod body; the base is provided with a first groove and a second groove, the first bent part is arranged in the first groove in a sliding mode, and the second bent part is arranged in the second groove in a sliding mode.

In some embodiments, the switch is provided with a second elastic member, the second elastic member is arranged on the base, and the second elastic member abuts against the key panel.

In some embodiments, one end of the base is provided with a fixed buckle tooth, the fixed end of the key panel is provided with a fixed buckle position, the fixed buckle tooth is buckled at the fixed buckle position, and the fixed buckle tooth and the fixed buckle position can rotate relatively.

In some embodiments, the base is provided with a first limiting member, the key panel is provided with a second limiting member, and the first limiting member and the second limiting member are connected in a matching manner to limit a movable range of a movable end of the key panel.

In some embodiments, the key panel is further provided with a contact point, and the position of the contact point corresponds to the position of the micro switch.

In order to solve the above technical problem, another technical solution adopted in the embodiment of the present application is: there is provided an electrical appliance comprising a switch as described above.

The embodiment of the utility model provides a beneficial effect of switch does: the switch comprises a base, a microswitch, a key panel and a balancing rod, wherein the microswitch is arranged on the base and is electrically connected with an external circuit; the balance rod comprises a rod body, a first extending portion and a second extending portion, the first extending portion and the second extending portion are respectively connected with two ends of the rod body, the rod body is rotatably arranged at the movable end of the key panel, and the first extending portion and the second extending portion are abutted to the base. The balance rod is arranged at the movable end of the key panel, so that the deformation of the key panel can be reduced when the switch applies pressure at any position of the movable end of the key panel, and the probability that the micro switch is successfully triggered by the key panel is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is an exploded view of a switch in accordance with an embodiment of the present application.

Fig. 2 is a schematic view of a base of a switch according to an embodiment of the present application.

Fig. 3 is a schematic view of a key panel of a switch according to an embodiment of the present application.

Fig. 4 is an enlarged view of a portion a in fig. 2.

FIG. 5 is a partial cross-sectional view of a perspective of a switch according to an embodiment of the present application.

Fig. 6 is a schematic view of a balance bar of a switch according to an embodiment of the present application from a perspective.

Fig. 7 is a partially enlarged view of a key panel of another embodiment of the switch of the present application from a perspective of view.

Fig. 8 is a schematic view of a balance bar of a switch according to yet another embodiment of the present application.

Detailed Description

In order to facilitate an understanding of the present application, the present application is described in more detail below with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. As used herein, the terms "upper," "lower," "inner," "outer," "vertical," "horizontal," and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship as shown in the drawings for convenience in describing the present application and simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In addition, the technical features mentioned in the different embodiments of the present application described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1, the switch 100 includes a base 10, a micro switch 20, a key panel 30 and a balance bar 40, the micro switch 20 is disposed on the base 10, the micro switch 20 is electrically connected to an external circuit, one end of the key panel 30 is rotatably connected to the base 10, the other end of the key panel 30 is movably connected to the base 10, the key panel 30 is configured to increase a contact area of the switch 100 for a user to trigger the micro switch 20, the balance bar 40 is disposed on the key panel 30, and the balance bar 40 is configured to balance a motion of the key panel 30, so as to prevent the micro switch 20 from failing to trigger due to a deformation of the key panel 30 when the user presses the key panel 30 at an edge.

In some embodiments, the microswitch 20 is used for user input of control signals, and transmits the control signals to a controller connected to the external circuit, the controller controls devices connected to the external circuit, such as a lamp, a locking mechanism, etc., according to the control signal, and, in particular, when the user presses the key panel 30 to trigger the micro switch 20, at this time, the control signal is to turn on a light, the controller controls the light connected with the external circuit to light according to the control signal, when the user presses the key panel 30 again to activate the micro switch 20, at this time, the control signal is a light-off signal, the controller controls the light connected to the external circuit to be turned off according to the control signal, and a user can realize the turning on and turning off of the light by continuously touching the microswitch 20.

Referring to fig. 2, for the above-mentioned base 10, the base 10 is provided with a first groove 11, a second groove 12, a fixed buckle 13 and a first limiting member 14, the first groove 11 and the second groove 12 are used for supporting the balance bar 40 and allowing the balance bar 40 to slide, the fixed buckle 13 is disposed at one end of the base 10, the fixed buckle 13 is used for being fastened with the key panel 30, so that one end of the base 10 is rotatably connected with one end of the key panel 30, the first limiting member 14 is disposed at the other end of the base 10, and the first limiting member 14 is used for being fastened with the key panel 30, so as to limit a moving range between the other end of the key panel 30 and the other end of the base 10.

Referring to fig. 3, the key panel 30 is provided with a fixed end 31, a movable end 32 and a contact 33, the fixed end 31 and the movable end 32 are respectively located at two ends of the key panel 30, and the position of the contact 33 corresponds to the position of the micro switch 20. The fixed end 31 is provided with a fixed fastening position 311, the fixed fastening position 311 is used for fastening with the fixed fastening teeth 13, when the fixed fastening position 311 is fastened with the fixed fastening teeth 13, the fixed end 31 of the key panel 30 is connected with one end of the base 10 in a rotating manner. The movable end 32 is provided with a second limiting member 321 and a limiting protrusion 322, wherein the second limiting member 321 is used for being connected with the first limiting member 14 in a matching manner, so as to limit a movable range between the movable end 32 of the key panel 30 and the other end of the base 10. The limiting protrusion 322 is disposed at the movable end 32 of the key panel 30, the limiting protrusion 322 is used for mounting the balance bar 40 to limit the radial movement of the balance bar 40, and the balance bar 40 can rotate relatively in the limiting protrusion 322.

In some embodiments, referring to fig. 4, the fixing buckle tooth 13 is further provided with a chamfer 131, and the chamfer 131 is located at a side of the fixing buckle tooth 13 close to the key panel 30, so as to facilitate the fixing buckle position 311 of the key panel 30 to be mounted on the fixing buckle tooth 13.

In some embodiments, referring to fig. 5, the first position-limiting member 14 includes a first buckle 141 and a first buckle body 142, one end of the first buckle body 142 is disposed on the base 10, the first buckle 141 is disposed at the other end of the first buckle body 142, the second position-limiting member 321 includes a second buckle 3211 and a second buckle body 3212, one end of the second buckle body 3212 is disposed on the key panel 30, the second buckle 3211 is disposed at the other end of the second buckle body 3212, and the first buckle 141 and the second buckle tooth 3211 are disposed in opposite directions. When the second button tooth 3211 is engaged with the first button tooth 141, the movable end 32 of the key panel 30 is connected to the other end of the base 10, and at this time, the movable range of the movable end 32 of the key panel 30 is the length of the first button body 142.

In some embodiments, the contacts 33 are made of a flexible material so that the contacts 33 can trigger the microswitch 20 while protecting the microswitch 20 and extending the useful life of the microswitch 20.

Referring to fig. 6, regarding the above-mentioned balance bar 40, the balance bar 40 includes a bar body 41, a first extending portion 42 and a second extending portion 43, the balance bar 40 is U-shaped, the bar body 41 is rotatably disposed on the limiting protrusion 322, the first extending portion 42 and the second extending portion 43 are respectively disposed at two ends of the bar body 41, one end of the first extending portion 42 away from the bar body 41 is provided with a first bending portion 421, one end of the second extending portion 43 away from the bar body 41 is provided with a second bending portion 431, the bar body 41, the first extending portion 42, the first bending portion 421, the second extending portion 43 and the second bending portion 431 are all located in the same plane, the first bending portion 421 is disposed in the first groove 11, and the second bending portion 431 is disposed in the second groove 12, wherein the balance bar 40 is made of a hard material, such as stainless steel, alloy, hard plastic, etc.

Specifically, after the rod body 41 of the balance bar 40 is rotatably mounted on the limiting protrusion 322, the fixing buckle 311 of the key panel 30 is buckled to the fixing buckle 13 of the base 10, so as to rotatably connect the fixing end 31 with one end of the base 10, and connect the second limiting member 321 with the first limiting member 14, thereby completing the assembly of the switch 100. When a user applies pressure to the edge of the key panel 30, the edge of the key panel 30 moves in a direction close to the base 10, at this time, the movable end 32 deforms due to uneven stress on the key panel 30, so as to drive the balance bar 40 to deform, and the balance bar 40 overcomes the deformation of itself to generate a reverse acting force, so that all parts of the balance bar 40 are always located in the same plane, and the reverse acting force drives the movable end 32 of the key panel 30 to move, so that the contact 33 successfully triggers the micro switch 20 regardless of the movement amount of the movable end 32 of the key panel 30 when pressure is applied to any position of the movable end 32 of the key panel 30.

It is understood that, in some embodiments, the number of the fixing buckle 13, the first limiting member 14, the fixing buckle 311, the second limiting member 321, and the limiting protrusion 322 may be one, two, or more according to practical situations or practical requirements.

In some embodiments, referring to fig. 7, the switch 100 further includes a first elastic member 50, the first elastic member 50 is sleeved on the rod body 41 of the balance bar 40, and two ends of the first elastic member 50 are respectively abutted against the first extending portion 42 and the key panel 30, the first elastic member 50 is configured to provide an elastic force for the movement of the balance bar 40, so that when the pressure applied to the movable end 32 of the key panel 30 is removed, the movable end 32 can return to the original position, that is, the movable end 32 moves away from the base 10.

In some embodiments, referring to fig. 2, the switch 100 further includes a second elastic member 60, the second elastic member 60 is disposed on the base 10, and the second elastic member 60 abuts against the key panel 30, the second elastic member 60 is configured to provide an elastic force for the movement of the movable end 32 of the key panel 30, so that when the pressure applied to the movable end 32 of the key panel 30 is removed, the movable end 32 can return to the original position, that is, the movable end 32 moves away from the base 10. It is understood that in some embodiments, the second elastic member 60 may be a separate structure or may be integrally formed with the base 10.

In some embodiments, referring to fig. 8, the balance bar 40 further includes a first transition portion 44 and a second transition portion 45, two ends of the first transition portion 44 are respectively connected to the bar body 41 and the first extension portion 42, a first included angle R1 is formed between the first transition portion 44 and the first extension portion 42, two ends of the second transition portion 45 are respectively connected to the bar body 41 and the second extension portion 43, and a second included angle R2 is formed between the second transition portion 45 and the second extension portion 43. When pressure is applied to move the movable end 32 toward the base 10, the first transition portion 44 and the first extension portion 42 are simultaneously pressed to deform, the first included angle R1 becomes larger, similarly, the second transition portion 45 and the second extension portion 43 are simultaneously pressed to deform, the second included angle R2 becomes larger, when the pressure is removed, the first extension portion 42 and the first transition portion 44 resume their shapes, and the second extension portion 43 and the second transition portion 45 resume their shapes, that is, the first included angle R1 and the second included angle R2 become smaller, so as to push the movable end 32 away from the base 10, thereby completing the reposition of the movable end 32.

The embodiment of the utility model provides a switch 100's beneficial effect does: the switch 100 comprises a base 10, a micro switch 20, a key panel 30 and a balance bar 40, wherein the micro switch 20 is arranged on the base 10, the micro switch 20 is electrically connected with an external circuit, the key panel 30 is provided with a fixed end 31 and a movable end 32, the fixed end 31 is rotatably connected with one end of the base 10, and the movable end 32 is movably connected with the other end of the base 10; the balance bar 40 includes a bar body 41, a first extending portion 42 and a second extending portion 43, the first extending portion 42 and the second extending portion 43 are respectively connected to two ends of the bar body 41, the bar body 41 is rotatably disposed at the movable end 32 of the key panel 30, and the first extending portion 42 and the second extending portion 43 are both abutted to the base 10. By arranging the balance bar 40 at the movable end 32 of the key panel 30, the switch 100 can reduce the deformation of the key panel 30 when applying pressure at any position of the movable end 32 of the key panel 30, thereby improving the probability that the key panel 30 successfully triggers the microswitch 20.

The present application further provides an embodiment of an electrical apparatus, where the electrical apparatus includes the switch 100, and for specific structures and functions of the switch 100, reference may be made to the above embodiment, and details are not described here again.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings, or which are directly or indirectly applied to other related technical fields, are intended to be included within the scope of the present application.

Claims (10)

1. A switch, comprising:

a base;

the microswitch is arranged on the base and is electrically connected with an external circuit;

the key panel is provided with a fixed end and a movable end, the fixed end is rotatably connected with one end of the base, and the movable end is movably connected with the other end of the base;

the balance rod comprises a rod body, a first extending portion and a second extending portion, the first extending portion and the second extending portion are respectively connected with two ends of the rod body, the rod body is rotatably arranged at the movable end of the key panel, and the first extending portion and the second extending portion are abutted to the base.

2. The switch of claim 1,

the balance bar is U-shaped, and the bar body, the first extension part and the second extension part are all located in the same plane.

3. The switch of claim 2,

the switch further comprises a first elastic piece, the first elastic piece is sleeved on the rod body, and two ends of the first elastic piece are respectively abutted to the first extending portion and the key panel.

4. The switch of claim 1,

the balance rod further comprises a first transition portion and a second transition portion, the first transition portion is connected with the first extension portion and one end of the rod body respectively, the second transition portion is connected with the second extension portion and the other end of the rod body respectively, a first included angle is formed between the first transition portion and the first extension portion, and a second included angle is formed between the second transition portion and the second extension portion.

5. The switch of claim 3 or 4,

a first bent part is arranged at one end of the first extending part far away from the rod body, and a second bent part is arranged at one end of the second extending part far away from the rod body;

the base is provided with a first groove and a second groove, the first bent part is arranged in the first groove in a sliding mode, and the second bent part is arranged in the second groove in a sliding mode.

6. The switch of claim 1,

the switch is provided with a second elastic piece, the second elastic piece is arranged on the base, and the second elastic piece is abutted to the key panel.

7. The switch of claim 1,

the one end of base is equipped with fixed knot tooth, key panel's stiff end is equipped with fixed knot position, fixed knot tooth lock joint in fixed knot position, and fixed knot tooth with fixed knot position can rotate relatively.

8. The switch of claim 1,

the base is provided with a first limiting part, the key panel is provided with a second limiting part, and the first limiting part and the second limiting part are connected in a matched mode so as to limit the moving range of the moving end of the key panel.

9. The switch of claim 1,

the key panel is also provided with a contact, and the position of the contact corresponds to the position of the microswitch.

10. An electrical appliance comprising a switch as claimed in any one of claims 1 to 9.

Images