CN107968012B

CN107968012B - Rotary push switch

Info

Publication number: CN107968012B
Application number: CN201610909686.5A
Authority: CN
Inventors: 褚锦雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-10-19
Filing date: 2016-10-19
Publication date: 2020-05-19
Anticipated expiration: 2036-10-19
Also published as: CN107968012A

Abstract

The invention discloses a rotary push switch which comprises a cap, a base, a switch module, a terminal module, a movable seat, an elastic component, a contact terminal and a first gasket. The cap is provided with a connecting column which is connected with the movable seat. The first gasket is arranged between the cap and the movable seat, the elastic assembly is arranged on the movable seat, and the bottom of the movable seat is provided with a pressing column. When the cap is pressed, the connecting column presses the movable seat to enable the pressing column to further press the button of the switch module, when the cap is rotated, the connecting column drives the movable seat to rotate and apply force to the elastic component, the contact arm of the contact terminal is in electrical contact with the signal terminals by means of rotation of the movable seat, and when the stress of the elastic component disappears, the elastic component is used for providing restoring force for rotation resetting of the movable seat and the cap.

Description

Rotary push switch

Technical Field

The present invention relates to a switch, and more particularly, to a rotary push switch having a push switch, which can be rotationally controlled and automatically reset and positioned after being rotated.

Background

No matter the electronic device is a 3C electronic product, a communication device or a machine tool equipment, it usually has multiple functions or is used to control multiple appliances, so a knob switch is configured, and by matching with a display panel, a user can select an item or a function to be controlled by the rotation of the switch.

The conventional knob switch achieves the function control effect through the rotation of the cap, achieves the control effect of different sections after the rotation, and can rotate clockwise or anticlockwise, however, the cap needs to be manually turned back again after the rotation to recover the positioning, so that the use is quite inconvenient, and particularly, the process of turning back in the reverse direction needs to consume a certain time and attention to determine that the cap recovers to the positioning. In addition, after the cap is rotated to the required option, the option or function control can be completed only by pressing the additionally arranged press switch, and the arrangement of the press switch not only increases the production cost, but also occupies limited configuration space, and is not beneficial to the layout of other components in the electronic product. Thus, even though some manufacturers further improve the knob switch to combine with the push switch, a rotary push switch is formed. However, the pressing structure of the conventional knob switch is located in the middle of the integral switch, and the cap for rotation is inserted around the pressing structure, so that a gap exposed outside is formed between the inner ring wall surface of the cap and the pressing part, which easily causes external moisture to enter, affects the waterproof efficiency of the switch, prolongs the service life of the switch, and even damages the switch.

Disclosure of Invention

In order to solve the above-mentioned problems, an objective of the present invention is to provide a rotary push switch, which can automatically return to a position after the switch is rotated, and can cooperate with a push operation to achieve the execution of a control function or an item, and has a stable assembly and an excellent waterproof effect.

In order to achieve the above object, the rotary switch structure of the present invention comprises a base body, which is hollow; and the switch module comprises a circuit board and a switch assembly arranged on the circuit board, the switch assembly comprises a button, and the switch module is fixedly arranged in the seat body. A terminal module is arranged above the switch module and comprises a terminal base and a plurality of signal terminals arranged on the terminal base, each signal terminal comprises a contact part and a pin bent from the contact part, the pin is welded on the circuit board, the contact part is exposed out of the top of the terminal base, and a base hole is arranged at the position of the terminal base corresponding to the button. The movable seat comprises a body, a limiting wall arranged on the body and a pressing column arranged at the bottom of the body, wherein a notch is formed in one part of the limiting wall, a first limiting groove communicated with the notch is formed in at least one side, adjacent to the notch, of the limiting wall, and at least one clamping groove is formed in the body. The contact terminal comprises a fixed part and a plurality of contact arms, and the fixed part is fixed at the bottom of the body of the movable seat. The elastic component is arranged on the body of the movable seat and comprises a first elastic arm, and one end of the first elastic arm abuts against the first limiting groove. A cover, which is sleeved on one end of the seat body and is positioned above the movable seat, and a cover hole is arranged at the position of the cover corresponding to the seat hole; the cap comprises a pressing part and a wall body, the pressing part and the wall body jointly form a containing part, one side of the pressing part facing the containing part is provided with a connecting column, and one end of the connecting column is embedded and clamped in the clamping groove of the movable seat. When the pressing part is pressed, the connecting column presses against the body of the movable seat, so that the pressing column presses against the button of the switch module, when the cap is rotated, the connecting column drives the movable seat to rotate and applies force to the elastic component, the contact arm of the contact terminal is electrically contacted with the plurality of signal terminals by virtue of the rotation of the movable seat, and when the stress of the elastic component disappears, the elastic component is used for providing restoring force for the rotary reset of the movable seat and the cap; and a first gasket, one side of which is abutted against the cap and the other side of which is abutted against the cover, wherein the first gasket is used for providing the return positioning after the cap is pressed.

According to another embodiment of the present invention, the first gasket includes a plate body and a tapered portion protruding from the center of the plate body, the top surface and the bottom surface of the tapered portion are flush with the top surface and the bottom surface of the plate body, respectively, the center of the tapered portion is provided with a through hole for penetrating and sleeving the connecting post of the cap, and the first gasket is used to ensure that the cap does not generate horizontal deviation when being pressed and displaced.

According to another embodiment of the present invention, the body is provided with a pair of slots, one end of the connecting post of the cap includes an abutting surface and at least a pair of connecting arms extending from the abutting surface, the abutting surface abuts against the body, and the pair of connecting arms are embedded in the pair of slots.

According to another embodiment of the present invention, the elastic component further includes a second elastic arm, the limiting wall is provided with a second limiting groove, the second limiting groove is disposed opposite to the first limiting groove and adjacent to the notch, and one end of the second elastic arm abuts against the second limiting groove. The body of the movable seat is also provided with a positioning sleeve and a pair of limit blocks, the positioning sleeve is used for sleeving and positioning the elastic component, the limit blocks are mutually spaced and protrude out of the top of the body, the cover is provided with a pair of stop blocks, and when the movable seat rotates, one of the limit blocks is abutted against the corresponding stop block so as to limit the rotation stroke of the movable seat.

The rotary press switch synchronously drives the movable seat to move downwards and rotate by utilizing the pressing and rotating of the cap, so as to control or execute the function of an application end product, successfully solves the problem that the traditional single switch only can provide pressing or rotating inconvenience, and can automatically rotate and reset after the cap rotates without manual rotation; moreover, the cap covers all internal components of the switch to achieve the waterproof effect, the waterproof effect is greatly improved due to the arrangement of the first gasket and the second gasket, and the defect that the interior of a traditional switch is easily affected with damp is effectively overcome.

Drawings

Fig. 1 is a perspective exploded view of the rotary push switch of the present invention.

Fig. 2 is a perspective assembly view of fig. 1.

FIG. 3 is a bottom view of a cap, a first gasket and a cover according to the present invention.

Fig. 4 is a schematic perspective view of a movable base and an elastic component according to the present invention.

Fig. 5 is a schematic plan view of a pair of stoppers of the cover with respect to the movable base, wherein the top of the cover is not shown.

Fig. 6 is a schematic cross-sectional view of a rotary push switch according to the present invention.

Fig. 7 is a schematic cross-sectional view of the pressing operation of fig. 6.

Description of reference numerals:

1, rotating a push switch;

a.2;

20, a locus of containment;

a pressing portion 201;

202 wall body.

21, connecting columns;

211;

212;

213;

22;

a.

221, 222;

positioning grooves.

23, a first gasket;

230;

a tray body 221;

232 a.232 a;

a seat body.

31;

32.. a second gasket;

4. a switch module;

41;

42;

a.. 43;

44;

45;

5, a terminal module;

51;

a seat bore 510;

signal terminals 52;

521 parts;

522, pins;

6. a movable seat;

61;

610, a card slot;

611, locating the sleeve;

62;

a notch 620;

621 first limiting groove;

a second limiting groove.. 622;

pressing the post.

A limiting block is provided with 64 and 65;

7.. 7;

a first resilient arm.. 71;

72, a second resilient arm;

8. contact terminals;

a fixing part 81;

contact arms.

Detailed Description

The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.

Referring to fig. 1 to 5, a rotary push switch 1 according to a preferred embodiment of the present invention includes a cap 2, a base 3, a switch module 4, a terminal module 5, a movable base 6, an elastic component 7 and a contact terminal 8. The cap 2 has a circular configuration and includes a pressing portion 201 and a wall 202, and the pressing portion 201 and the wall 202 together form a receiving portion 20 (shown in fig. 3). A connecting post 21 extends downwards from the center of one side of the pressing portion 201 facing the accommodating portion 20, one end of the connecting post 21 includes an abutting surface 211 and at least a pair of connecting arms 212 extending from the abutting surface 211 and disposed oppositely, and a rib ring 213 is further disposed at a position of the connecting post 21 close to the pressing portion 201. The base 3 is hollow and has two opposite ends opened to the outside, and a flange 31 extends outward from the outer periphery of the base 3 to limit the stroke of the cap 2 after being pressed.

The switch module 4 is fixedly disposed in the bottom of the base 3 (as shown in fig. 7) for starting or controlling functions of an application product (not shown). The switch module 4 includes a circuit board 41 and a switch assembly 42 disposed on the circuit board 41 and including a button 43 (shown in fig. 1). One side of the circuit board 41 is connected to a wire 44, and one end thereof is connected to a connector 45 for mating with an application product.

As shown in fig. 1, the terminal module 5 is disposed above the switch module 4, and includes a terminal block 51 and a plurality of signal terminals 52 disposed on the terminal block 51. Each signal terminal 52 includes a contact portion 521 and a pin 522 bent from the contact portion 521, the pin 522 is soldered to the circuit board 41, and the contact portion 521 is exposed at the top of the terminal base 51. The terminal base 51 is provided with a base hole 510 corresponding to the button 43.

Referring to fig. 1 and 4, the movable seat 6 has a circular configuration, and includes a main body 61, a limiting wall 62 disposed around the periphery of the main body 61, and a pressing column 63 disposed at the bottom of the main body 61. A portion of the stopper wall 62 is formed with a notch 620 which causes the stopper wall 62 to be cut into two pieces. Specifically, the first and second limiting

grooves

621 and 622 are respectively disposed on two opposite sides of the limiting wall 62 adjacent to the notch 620 and are communicated with the notch 620, i.e., the first and second limiting

grooves

621 and 622 are respectively recessed from two sides of the limiting wall 62 adjacent to the notch 620. The body 61 is provided with a pair of slots 610 penetrating the body 61. In addition, the body 61 is further provided with a positioning sleeve 611 and a pair of limiting blocks 64, and the pair of limiting blocks 64 are disposed away from the notch 620, spaced from each other and protruding from the body 61. The abutment post 63 extends beyond the cap 2 after assembly.

Referring to fig. 1 and 4, the elastic element 7 is disposed on the positioning sleeve 611 of the movable base 6, and in this embodiment, the elastic element 7 is a torsion spring, which includes a first elastic arm 71 and a second elastic arm 72. One end of the first elastic arm 71 and one end of the second elastic arm 72 respectively abut against the first limiting groove 621 and the second limiting groove 622.

The contact terminal 8 includes a fixing portion 81 and a plurality of contact arms 82 (shown in fig. 1), and the fixing portion 81 is fixed to the bottom of the body 61 of the movable seat 6. The contact terminals 8 have a half-moon-shaped configuration, and the contact arms 82 integrally extend from the fixing portion 81 and are inclined downward for electrically contacting the signal terminals 52.

Referring to fig. 1 and fig. 5, the periphery of the cover 22 is bent downward and extended, and has a connection structure for being sleeved on an end of the base 3 opposite to the switch module 4 (as shown in fig. 6), and a cover hole 220 is formed at a position of the cover 22 corresponding to the seat hole 510. The cover 22 is used to cover the top of the base body 3, wherein the connecting post 21 of the cap 2 passes through the cover hole 220 for connecting to the movable base 6. In addition, a pair of

stoppers

221 and 222 are provided on the side of the cover 22 facing the movable base 6, and are spaced apart from each other (as shown in fig. 5).

Referring to fig. 1 and fig. 6, a first gasket 23 is disposed between the cap 2 and the cover 22, and one side of the gasket abuts against the pressing portion 201 of the cap 2, and the other side abuts against the cover 22. Specifically, the first gasket 23 includes a plate 231 and a tapered portion 232 protruding from the center of the plate 231, the top surface and the bottom surface of the tapered portion are flush with the top surface and the bottom surface of the plate 231, respectively, wherein the tapered portion 232 is tapered upward, and a through hole 230 is formed at the center thereof for penetrating the connection post 21 of the cap 2 and being embedded in the rib ring 213 of the connection post 21. The cooperation of the first gasket 23 and the cap 2 can effectively prevent external moisture from permeating into the switch.

Specifically, a second gasket 32 is sandwiched between the cover 22 and the top periphery of the base 3 (as shown in fig. 1 and 6) for enhancing the waterproof effect, and a positioning groove 223 (as shown in fig. 3) is formed at the bottom of the cover 22 and is recessed inward and extends around the periphery of the cover 22 for embedding and fixing the second gasket 32 in the positioning groove 223.

Referring to fig. 1 and 6, after the rotary push switch 1 of the present invention is assembled, the cap 2 is movably covered on the base 3, the abutting surface 211 of the connecting post 21 of the cap 2 abuts against the upper surface of the body 61 of the movable base 6, and the pair of connecting arms 212 are inserted into the pair of slots 610, so that the first gasket 23, the cover 22, the elastic element 7, the movable base 6 and the terminal module 5 are covered in the accommodating portion 20 of the cap 2. When in use, the pressing portion 201 of the cap 2 is pressed to press the abutting surface 211 of the connecting post 21 against the movable seat 6 and drive the abutting post 63 to press the button 43 of the switch module 4, so as to drive the controlled application end product, wherein the first gasket 23 supports the cap 2 to ensure that the cap 2 does not generate horizontal deviation when being pressed and displaced, and once the pressing force of the cap 2 disappears, the shape generated by the pressing of the first gasket 23 returns to the original shape, so that the cap 2 returns to the positioning before being pressed.

The rotary push switch 1 of the present invention can be controlled by pressing, and the cap 2 can also rotate clockwise or counterclockwise, and drive the movable seat 6 to rotate through the connection post 21, when rotating clockwise, the second elastic arm 72 of the elastic component 7 is pressed by the second limiting groove 622, and moves toward the first limiting groove 621 along the gap 620, and the first elastic arm 71 abuts against the first limiting groove 621, and at the same time, the limiting block 65 close to the second limiting groove 622 synchronously moves until abutting against the stop block 222, thereby limiting the rotation stroke of the movable seat 6. Similarly, if the cap 2 rotates in the counterclockwise direction, the stopper 64 near the first stopper groove 621 will be displaced until abutting against the stopper 221. The stop blocks 221 and 222 are used for stopping the movement of the movable base 6, so as to prevent the elastic component 7 from being damaged due to excessive rotation. In this preferred embodiment, the limit block 64 and the stop block 221 or the limit block 65 and the stop block 222 form an included angle of 30 degrees together with respect to the axis of the movable seat 6, that is, the movable seat 6 can rotate 30 degrees in the clockwise or counterclockwise direction.

In summary, the rotary push switch 1 of the present invention utilizes the cap 2 to press or rotate to synchronously drive the movable base 6 to move down or rotate, so as to control or execute the function of the application end product, thereby successfully solving the inconvenience that the traditional single switch only can provide pressing or rotating, and the cap 2 can automatically rotate and reset after rotating without manual rotation, thereby improving convenience; moreover, the cap 2 covers all internal components of the switch to achieve shielding protection and waterproof effects, and the arrangement of the first gasket 23 and the second gasket 32 greatly improves the waterproof effect, thereby effectively solving the defect that the interior of the traditional switch is easily affected with damp.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.

Claims

1. A rotary push switch, comprising:

a seat body, which is hollow;

the switch module comprises a circuit board and a switch assembly arranged on the circuit board, the switch assembly comprises a button, and the switch module is fixedly arranged in the seat body;

a terminal module, which is arranged above the switch module and comprises a terminal seat and a plurality of signal terminals arranged on the terminal seat, wherein each signal terminal comprises a contact part and a pin bent from the contact part, the pin is welded on the circuit board, the contact part is exposed out of the top of the terminal seat, and a seat hole is arranged at the position of the terminal seat corresponding to the button;

the movable seat comprises a body, a limiting wall arranged on the body and a pressing column arranged at the bottom of the body, wherein a notch is formed in one part of the limiting wall, a first limiting groove communicated with the notch is formed in at least one side, adjacent to the notch, of the limiting wall, and at least one clamping groove is formed in the body;

the contact terminal comprises a fixed part and a plurality of contact arms, and the fixed part is fixed at the bottom of the body of the movable seat;

the elastic component is arranged on the body of the movable seat and comprises a first elastic arm, and one end of the first elastic arm abuts against the first limiting groove;

a cover, which is sleeved on one end of the seat body and is positioned above the movable seat, and a cover hole is arranged at the position of the cover corresponding to the seat hole; and

a cap, including a pressing part and a wall body, the pressing part and the wall body form a containing part together, one side of the pressing part facing the containing part is provided with a connecting column, one end of the connecting column is embedded in the clamping groove of the movable seat, when the pressing part is pressed, the connecting column presses against the body of the movable seat, so that the pressing column presses against the button of the switch module, and when the cap is rotated, the connecting column drives the movable seat to rotate and applies force to the elastic component, and the contact arm of the contact terminal electrically contacts the signal terminals by the rotation of the movable seat, when the stress of the elastic component disappears, the elastic component is used for providing restoring force for the rotation and resetting of the movable seat and the cap;

and one side of the first gasket is abutted against the cap, the other side of the first gasket is abutted against the cover, and the first gasket is used for providing the return positioning of the pressed cap.

2. The rotary push switch according to claim 1, wherein the first washer comprises a plate body and a tapered portion protruding from the center of the plate body, the top and bottom surfaces of the tapered portion are flush with the top and bottom surfaces of the plate body, respectively, the center of the tapered portion is provided with a through hole for passing through the connection post of the cap, and the first washer is used to ensure that the cap is not displaced in a horizontal direction when being pushed.

3. The rotary push switch according to claim 2, wherein the connecting post comprises a rib ring for engaging the through hole of the tapered portion.

4. The rotary push switch according to claim 1, wherein the body is provided with a pair of engaging grooves, one end of the connecting post of the cap includes an abutting surface and at least a pair of connecting arms extending from the abutting surface, the abutting surface abuts against the body, and the pair of connecting arms are engaged with the pair of engaging grooves.

5. The rotary push switch according to claim 1, wherein the resilient member further comprises a second resilient arm, the limiting wall has a second limiting groove disposed opposite to the first limiting groove and adjacent to the notch, and one end of the second resilient arm abuts against the second limiting groove.

6. The rotary push switch according to claim 1, wherein the body of the movable seat further has a positioning sleeve for receiving and positioning the elastic member and a pair of stoppers spaced apart from each other and protruding from the top of the body, the cover has a pair of stoppers, and when the movable seat rotates, one of the stoppers abuts against the corresponding stopper to limit the rotational stroke of the movable seat.

7. The rotary push switch according to claim 1, wherein a flange extends outwardly from an outer periphery of the housing for limiting a stroke of the cap upon a push displacement.

8. The rotary push switch according to claim 1, further comprising a second gasket interposed between the cover and the periphery of the top of the housing for enhancing waterproof effect.

9. The rotary push switch according to claim 8, wherein the bottom of the cover has a positioning groove formed at a periphery of the cover in a concave shape for fixing the second gasket in the positioning groove.