CN113707490A

CN113707490A - Button and knob combined control switch

Info

Publication number: CN113707490A
Application number: CN202111103875.0A
Authority: CN
Inventors: 韩晓杰; 郑强高; 刘春雨; 周肖仪
Original assignee: Guangdong Homezest Tech Co ltd
Current assignee: Guangdong Homezest Tech Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2021-11-26

Abstract

The utility model provides a button and knob composite control switch which characterized in that: the mounting ring is sleeved on the guide posts through guide holes at the bottom of the mounting ring; the bottom of the mounting ring is provided with a circuit board, the upper end of the circuit board is provided with a potentiometer, and the bottom of the circuit board is provided with a button switch. The invention has the beneficial effects that: 1. simple structure, low production cost and improved market competitiveness. 2. The knob control and the button control are combined on the same switch, so that the dual functions of knob control and button control are achieved, the application range of the switch is expanded, and the use requirement is met. 3. The special double-layer structure meets the requirement of dual matching of the potentiometer and the switch, and through the design of the scheme, the defect that a coding scheme has no reference point is overcome, meanwhile, the coding scheme is greatly superior to an encoder in cost, and the functional requirement and the appearance design can be considered.

Description

Button and knob combined control switch

Technical Field

The invention relates to a switch, in particular to a button and knob compound control switch.

Background

With the continuous development of society, electronic products are updated and iterated rapidly, and among the current electronic products, various switches need to be used, wherein a rotary switch is one of the most commonly used products. The knob switch is a switch which transmits different signals to a circuit board by rotating a knob or pressing a face cover of the knob, so that the circuit board controls the start-stop, direction adjustment, position adjustment, running speed and other functions of the setting, but the existing knob switch has many internal parts, so that the whole structure is very complex, the cost is high, and further improvement is needed.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a button and a knob compound control switch which have simple structure and convenient use, can realize the control function of a knob and can realize the control function of the button.

The object of the invention is achieved in the following way: the utility model provides a button and knob composite control switch which characterized in that: the mounting ring is sleeved on the guide posts through guide holes in the bottom of the mounting ring and can slide up and down along the guide posts, and the side wall of the mounting ring is partially hollowed to form a clearance groove;

the bottom of the mounting ring is provided with a circuit board, the upper end of the circuit board is provided with a potentiometer, and the bottom of the circuit board is provided with a button switch; correspondingly: the mounting ring is sleeved with a driving ring, a connecting arm is arranged on the driving ring and connected with a potentiometer control shaft penetrating through the clearance groove;

the outer part of the driving ring is also sleeved with a spiral cover, the inner end surface of the spiral cover is provided with an elastic buckle, the elastic buckle is buckled and pressed under the limiting ring to limit the axial movement of the spiral cover, the inner hole of the spiral cover is provided with a connecting boss, correspondingly, the outer cylindrical surface of the driving ring is provided with a connecting groove, the connecting groove and the connecting boss are mutually buckled, and the rotary spiral cover drives the potentiometer to rotate through the driving ring;

spiral cover middle part fretwork form the button chamber, the button lid is installed at this button intracavity, the bottom of button lid bears in the collar top, the outside arch on the bottom excircle of button lid be provided with the anticreep ring, the anticreep ring diameter is greater than the setting of button chamber diameter.

The base on still be provided with the spring hole, install the spring in the spring hole, spring one end supports and presses in the spring hole, the other end supports and presses on the collar, upwards promotes the collar all the time.

The bottom of the mounting ring is provided with an elastic pin, and the circuit board is fixed between the elastic pin and the mounting ring in a buckling manner.

The upper end face of the mounting ring is provided with a positioning boss, correspondingly, the bottom of the button cover is provided with a butt-joint groove, and the positioning boss is buckled into the butt-joint groove and is coaxially connected with the butt-joint groove.

The invention has the beneficial effects that: 1. simple structure, low production cost and improved market competitiveness. 2. The knob control and the button control are combined on the same switch, so that the dual functions of knob control and button control are achieved, the application range of the switch is expanded, and the use requirement is met. 3. The special double-layer structure meets the requirement of dual matching of the potentiometer and the switch, and through the design of the scheme, the defect that a coding scheme has no reference point is overcome, meanwhile, the coding scheme is greatly superior to an encoder in cost, and the functional requirement and the appearance design can be considered.

Drawings

FIG. 1 is a diagram illustrating the assembly effect of the present invention.

Fig. 2 and 3 are assembly views of the structure of the invention.

Fig. 4 and 5 are assembly views of the mounting ring and the circuit board of the present invention.

Fig. 6 is a structural sectional view of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The utility model provides a button and knob composite control switch which characterized in that: the mounting ring comprises a circular base 1, a limiting ring 21 is arranged on the outer cylinder of the base 1, a plurality of guide posts 22 are arranged in the middle of the base 1 in an upward protruding mode, a mounting ring 3 is sleeved on the guide posts 22 through guide holes 31 in the bottom of the mounting ring and can slide up and down along the guide posts 22, and a clearance groove 32 is formed in the hollow portion of the side wall of the mounting ring 3;

the bottom of the mounting ring 3 is provided with a circuit board 4, the upper end of the circuit board 4 is provided with a potentiometer 41, and the bottom of the circuit board 4 is provided with a button switch 42; correspondingly: the mounting ring 3 is also sleeved with a driving ring 5, the driving ring 5 is provided with a connecting arm 51, and the connecting arm 51 passes through the potentiometer 41 control shaft of the clearance groove 32 to be connected;

the external of the driving ring 5 is also sleeved with a spiral cover 6, the inner end surface of the spiral cover 6 is provided with an elastic buckle 61, the elastic buckle 61 is buckled and pressed under the limiting ring 21 to limit the axial movement of the spiral cover 6, the inner hole of the spiral cover 6 is provided with a connecting boss 62, correspondingly, the outer cylindrical surface of the driving ring 5 is provided with a connecting groove 52, the connecting groove 52 and the connecting boss 62 are mutually buckled, and the rotary spiral cover 6 drives the potentiometer 41 to rotate through the driving ring 5;

spiral cover 6 middle part fretwork form button chamber 63, button lid 7 is installed in this button chamber 63, bears in collar 3 top the bottom of button lid 7, the outside arch of bottom excircle of button lid 7 on be provided with anticreep ring 71, anticreep ring 71 diameter is greater than the setting of button chamber 63 diameter.

The base 1 on still be provided with spring hole 2, install the spring in the spring hole 2, spring one end supports to press in spring hole 2, the other end supports to press on collar 3, upwards promotes collar 3 all the time.

The bottom of the mounting ring 3 is provided with an elastic pin 33, and the circuit board 4 is fixed between the elastic pin 33 and the mounting ring 3 in a snap fit manner.

The upper end surface of the mounting ring 3 is provided with a positioning boss 34, correspondingly, the bottom of the button cover 7 is provided with a butt joint groove 72, and the positioning boss 34 is buckled into the butt joint groove 72 and is coaxially connected with the butt joint groove 72.

The working principle is as follows: in the present case, when using knob control function, the user rotates the spiral cover, and the spiral cover drives drive ring 5 to rotate, utilizes the connecting arm that sets up on the drive ring to drive the potentiometer and rotate to produce electrical control signal.

In order to limit the rotation angle of the potentiometer, the side wall part of the mounting ring 3 in the scheme is hollowed to form a clearance groove 32, and the connecting arm can only swing within the angle limited by the clearance groove, so that the potentiometer is prevented from being damaged due to an overlarge rotation angle.

When a user needs to use the button for control, the button cover is pressed by hands, the button cover moves downwards to generate power for pushing the mounting ring to move downwards, the circuit board is pushed to move downwards when the mounting ring moves downwards, the button switch at the bottom of the circuit board is forced to collide with a fixed object, and therefore power for driving the button switch to act is generated, and finally a button control electric signal is generated.

In order to enable the button cover to be elastic when being pressed, a spring hole 2 is further formed in the base 1, a spring is mounted in the spring hole 2, one end of the spring is pressed in the spring hole 2 in a propping mode, the other end of the spring is pressed on the mounting ring 3 in a propping mode, the mounting ring 3 is pushed upwards all the time, and therefore the button cover is pushed to reset. In order to prevent the button cover from rotating and causing displacement of the icons printed on the surface of the button cover, a positioning boss 34 is provided on the upper end surface of the mounting ring 3, and correspondingly, a butt-joint groove 72 is provided at the bottom of the button cover 7, and the positioning boss 34 is snapped into the butt-joint groove 72 and is coaxially connected with the butt-joint groove 72. So that the button cover can only move axially and cannot rotate circumferentially.

Compared with the prior art, the control switch in the scheme adopts a double-layer structure to meet the requirement of dual matching of the potentiometer and the switch, through the design of the scheme, the defect that an encoding scheme has no reference point is overcome, the cost is greatly superior to that of an encoder, the normal price of a common encoder is about 3.5RMB, and the cost of the scheme is about 1.5 RMB. Meanwhile, the multifunctional coffee bean grinder can also give consideration to functional requirements and appearance design, has better market competitiveness, and can be widely applied to various small household appliances, such as coffee machine brewing machines, coffee bean grinding machines and other products.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. The utility model provides a button and knob composite control switch which characterized in that: the anti-collision device comprises a circular base (1), wherein a limiting ring (21) is arranged on the outer cylinder of the base (1), a plurality of guide posts (22) are arranged in the middle of the base (1) in an upward protruding mode, a mounting ring (3) is sleeved on the guide posts (22) through guide holes (31) in the bottom of the mounting ring and can slide up and down along the guide posts (22), and a clearance groove (32) is formed in the hollow part of the side wall of the mounting ring (3);

a circuit board (4) is arranged at the bottom of the mounting ring (3), a potentiometer (41) is arranged at the upper end of the circuit board (4), and a button switch (42) is arranged at the bottom of the circuit board (4); correspondingly: a driving ring (5) is sleeved outside the mounting ring (3), a connecting arm (51) is arranged on the driving ring (5), and the connecting arm (51) passes through the control shaft of the potentiometer (41) of the clearance groove (32) and is connected with the control shaft;

the outer part of the driving ring (5) is further sleeved with a spiral cover (6), an elastic buckle (61) is arranged on the inner end face of the spiral cover (6), the elastic buckle (61) is buckled and pressed below the limiting ring (21) to limit the axial movement of the spiral cover (6), a connecting boss (62) is arranged on the inner hole of the spiral cover (6), correspondingly, a connecting groove (52) is arranged on the outer cylindrical surface of the driving ring (5), the connecting groove (52) and the connecting boss (62) are mutually buckled, and the rotary spiral cover (6) drives the potentiometer (41) to rotate through the driving ring (5);

spiral cover (6) middle part fretwork form button chamber (63), install in this button chamber (63) button lid (7), bear in collar (3) top the bottom of button lid (7), the bottom excircle of button lid (7) to the evagination be provided with anticreep ring (71), anticreep ring (71) diameter is greater than button chamber (63) diameter setting.

2. The combination push-button and knob control switch of claim 1, wherein: the base (1) on still be provided with spring hole (2), install the spring in spring hole (2), spring one end supports to press in spring hole (2), the other end supports to press on collar (3), upwards promotes collar (3) all the time.

3. The combination push-button and knob control switch of claim 1, wherein: the bottom of the mounting ring (3) is provided with an elastic pin (33), and the circuit board (4) is fixed between the elastic pin (33) and the mounting ring (3) in a buckling manner.

4. The combination push-button and knob control switch of claim 1, wherein: the upper end face of the mounting ring (3) is provided with a positioning boss (34), correspondingly, the bottom of the button cover (7) is provided with a butt joint groove (72), and the positioning boss (34) is buckled into the butt joint groove (72) and is coaxially connected with the butt joint groove.