CN110047686B

CN110047686B - Waterproof push type knob switch

Info

Publication number: CN110047686B
Application number: CN201910399874.1A
Authority: CN
Inventors: 洪金镳; 苏朝晖; 欧阳昌雄; 毛智培
Original assignee: Soundwell Electroinc Products Gungdong Co ltd
Current assignee: Soundwell Electroinc Products Gungdong Co ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2024-04-19
Anticipated expiration: 2039-05-14
Also published as: CN110047686A

Abstract

The invention discloses a waterproof push-type knob switch, which comprises a bottom shell, wherein the bottom shell is connected with a base, a hollow knob is inlaid in the base, and a push-type switch component is inlaid in the knob; the base is also connected with a limiting ring, and the limiting ring locks the knob and the push switch assembly on the base; a PCB board is arranged in the bottom shell; the PCB is provided with a light source module, a first micro switch controlled by the knob and a second micro switch controlled by the push switch assembly; the push type knob switch further comprises a sealing assembly, and the limiting ring and the push type switch assembly are connected in the knob in a sealing mode through the sealing assembly. The push-button knob switch adopts a multi-layer embedded structure design, and integrates a button and a knob into a whole, so that the push-button knob switch has two switch functions at the same time; in addition, the sealing function of the sealing component reduces gaps among all movable pieces as much as possible, and effectively improves the sealing performance of the push-type knob switch.

Description

Waterproof push type knob switch

Technical Field

The invention relates to the technical field of switch buttons, in particular to a waterproof push-type knob switch.

Background

The first electronic components to control the switching or switching of the circuit are bare blade switches. In order to meet the safety in use, the exposed switch is gradually replaced by a button-type and knob-type switch device, and the novel switch device is generally provided with a shell, so that the risk of a user, electric shock and the like can be avoided.

The button switch mainly realizes the functions of pressing and contacting the switch through a structure with linear travel, and the knob switch triggers the corresponding functions through twisting the rotating block; however, these push-button type and knob type switches have a complicated structure and a single means for triggering functions, and the existing switch devices have insufficient tightness, and particularly, for some devices which are used in outdoor environments for a long time, the used switch devices may be exposed to dusty or humid environments for a long time, so that the existing push-button type and knob type switches are difficult to meet the use requirements of users.

Therefore, it has become an important study subject for those skilled in the art how to provide a switching device having a high sealing property and having both the push button type and the knob type switching functions.

Disclosure of Invention

The invention aims to solve the technical problems of complex structure, single means for triggering functions and poor sealing performance of the traditional switching device, and provides a waterproof push-type knob switch aiming at the defects of the prior art, so that the problem that the use requirement of a user is difficult to meet is solved.

In order to achieve the above object, the present invention provides the following technical solutions:

The waterproof push-type knob switch comprises a bottom shell, wherein one side of the bottom shell is connected with a hollow base, one side of the base, far away from the bottom shell, is inlaid with a hollow knob, and a push-type switch assembly is inlaid in the knob; a limiting ring is fixedly connected to one side, away from the bottom shell, of the base, and the knob and the push switch assembly are locked on the base by the limiting ring;

the bottom shell is of a hollow structure, and a PCB board is arranged in the bottom shell; the PCB is provided with a light source module, a first micro switch controlled by the knob and a second micro switch controlled by the push switch assembly;

The push type knob switch further comprises a sealing assembly, and the limiting ring and the push type switch assembly are connected in the knob in a sealing mode through the sealing assembly.

Optionally, the push switch assembly includes a columnar button, and a cap connected to a top surface of the button; the button is movably embedded in the knob, the limiting ring is provided with an accommodating through groove matched with the cap, and the cap is embedded in the accommodating through groove of the limiting ring;

the second micro-switch is controlled by the button, and when the button is pressed, the button triggers the second micro-switch.

Optionally, a groove matched with the limiting ring is formed on one side, away from the base, of the knob; the limiting ring is inlaid in the groove of the knob, so that the surfaces of the cap and the limiting ring are flush with the surface of the knob.

Optionally, the sealing assembly includes a first sealing ring and a second sealing ring; an annular first sealing groove is formed in the side surface, which is abutted against the knob, of the limiting ring, and the first sealing groove is sleeved in the first sealing groove; the side surface of the cap, which is abutted against the limiting ring, is provided with an annular second sealing groove, and the second sealing groove is sleeved in the second sealing groove.

Optionally, the lateral surface annular array of button is provided with a plurality of spacing lug, the inner chamber annular array of knob has seted up a plurality of confession stopper passes through the groove of stepping down.

Optionally, the inner chamber of base is provided with and is used for restricting button pivoted gag lever post, the button seted up with the spacing groove that the gag lever post matches, the gag lever post run through the knob and gomphosis in the spacing groove.

Optionally, a plurality of sliding blocks are arranged in an annular array in the inner cavity of the base, and positioning springs are arranged between the sliding blocks and the base; the outer side of the knob is provided with a plurality of wavy convex blocks matched with the sliding blocks in an annular array mode, and the sliding blocks are propped against the wavy convex blocks under the elastic force of the positioning springs.

Optionally, a pulling piece for triggering the first micro switch is arranged at one end of the knob, which is close to the PCB; and a push rod for triggering the second micro switch is arranged at one end of the button, which is close to the PCB.

Optionally, the cap is made of a light-transmitting material, and the button of the light guide column is of a hollow columnar structure; the push-type knob switch further comprises a light guide column, the light guide column penetrates through the button, one end of the light guide column faces the light source module, and the other end of the light guide column faces the cap.

Optionally, a reset spring is further sleeved on the outer side of the button, and two stress ends of the reset spring respectively lean against the button and the knob.

Compared with the prior art, the invention has the following beneficial effects:

the invention provides a waterproof push-button knob switch which has simple structure, convenient operation and reliable function, adopts a multi-layer embedded structure design, integrates a button and a knob into a whole, and thus, the push-button knob switch has two switch functions at the same time; moreover, the push-type knob switch is provided with the sealing assembly, and gaps among all movable pieces are reduced as much as possible through the sealing effect of the sealing assembly, so that the sealing performance of the push-type knob switch is effectively improved, and the use requirement of a user is met.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a waterproof push-button switch according to the present embodiment;

FIG. 2 is a cross-sectional view of a push-button rotary switch in an embodiment;

FIG. 3 is an exploded view of a push-button rotary switch according to an embodiment;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic illustration of the cooperation of a button and knob in an embodiment;

FIG. 6 is a schematic illustration of the cooperation of the button and the base in an embodiment;

FIG. 7 is a schematic diagram showing the cooperation of the knob and the slider in the embodiment;

fig. 8 is a schematic diagram showing the cooperation of the knob, the button and the micro switch in the embodiment.

Illustration of:

1. A bottom case; 2. a base; 21. a limit rod; 3. a knob; 31. a relief groove; 32. a wave-shaped bump; 33. a pulling piece; 4. a limiting ring; 41. a first seal groove; 5. a PCB board; 51. a light source module; 52. a first microswitch; 53. a second microswitch; 61. a button; 62. a cap; 611. a limit bump; 612. a limit groove; 613. a push rod; 621. a second seal groove; 71. a first seal ring; 72. a second seal ring; 81. a slide block; 82. a positioning spring; 9. a light guide column; 10. and a return spring.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only some embodiments of the present invention, not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it will be understood that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

Furthermore, the terms "long," "short," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, for convenience of description of the present invention, and are not intended to indicate or imply that the apparatus or elements referred to must have this particular orientation, operate in a particular orientation configuration, and thus should not be construed as limiting the invention.

The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.

Referring to fig. 1 to 8, the present embodiment provides a waterproof push-button switch, which includes a bottom case 1, one side of the bottom case 1 is connected with a hollow base 2, one side of the base 2 away from the bottom case 1 is embedded with a hollow knob 3, and a push-button switch assembly is embedded in the knob 3; a limiting ring 4 is fixedly connected to one side, away from the bottom shell 1, of the base 2, and the knob 3 and the push switch assembly are locked on the base 2 by the limiting ring 4; specifically, the base 2 is provided with a plurality of through holes for screws or other fasteners to pass through, and the bottom of the 61-bit ring 4 is provided with a threaded hole; the fastener passes through the through hole of the base 2 and is inserted into the threaded hole, so that the limiting ring 4 is fixedly connected to the base 2;

The bottom shell 1 is of a hollow structure, and a PCB 5 is arranged in the bottom shell; the PCB 5 is provided with a light source module 51, a first micro switch 52 controlled by the knob 3 and a second micro switch 53 controlled by the push switch assembly; specifically, the light source module 51 may be a conventional micro bulb or an LED lamp, which may be determined according to practical situations, and the light source module 51 in this embodiment is an LED lamp;

Further, the push switch assembly includes a columnar button 61, and a cap 62 connected to the top surface of the button 61; the button 61 is movably embedded in the knob 3, the limiting ring 4 is provided with a containing through groove matched with the cap 62, and the cap 62 is embedded in the containing through groove of the limiting ring 4;

the second micro switch 53 is controlled by the button 61, and when the button 61 is pressed, the button 61 will trigger the second micro switch 53.

In this embodiment, the knob 3 is provided with two control gears of "0" and "1", the "0" gear is located on the right side of the "1" gear, that is, when the knob 3 rotates clockwise, the knob 3 can be switched from the "0" gear to the "1" gear, and when the knob 3 is rotated counter-clockwise, the knob 3 can be switched from the "1" gear to the "0" gear;

In actual operation, the "0" gear is the initial gear, and when the knob 3 is in the "0" gear, the knob 3 will not trigger the first micro switch 52; when the knob 3 is rotated to the 1 gear, the knob 3 triggers the first micro switch 52, thereby triggering a switch function and starting the light source module 51, at this time, the light source module 51 emits red light, and then feeds back to the user, and the knob 3 switch function of the push-type knob switch is successfully started;

The push switch assembly can realize the function of triggering the switch by the button 61, when the push switch assembly is pressed, the second micro switch 53 is triggered, at this time, the light source module 51 emits green light, and then feedback is sent to the user, and the button 61 switch function of the push type knob switch is successfully started;

The push type knob switch further comprises a sealing assembly, and the limiting ring 4 and the push switch assembly are connected in the knob 3 in a sealing mode through the sealing assembly.

Further, referring to fig. 4, the sealing assembly includes a first sealing ring 71 and a second sealing ring 72; an annular first sealing groove 41 is formed in the side surface, which is abutted against the knob 3, of the limiting ring 4, and the first sealing ring 71 is sleeved in the first sealing groove 41; an annular second sealing groove 621 is formed in the side surface of the cap 62, which abuts against the limiting ring 4, and the second sealing ring 72 is sleeved in the second sealing groove 621.

Specifically, the first seal ring 71 is an "O" seal ring, and the second seal ring 72 is a "concave" seal ring; the spacing ring 4 and the knob 3 are in sealing connection through the first sealing ring 71, so that the gap between the spacing ring 4 and the knob 3 is reduced as much as possible, the air tightness of the knob 3 in the rotating process is improved, the cap 62 and the spacing ring 4 are in sealing connection through the second sealing ring 72, the gap between the cap 62 and the spacing ring 4 is reduced as much as possible, the air tightness of the button 61 in the pressing process is improved, and therefore the waterproof push-type knob switch has good waterproof and dustproof performance, and the waterproof and dustproof IP65 level can be achieved.

It can be seen that the present embodiment provides a waterproof push-button knob switch, which has a simple structure, convenient operation and reliable function, and the push-button knob switch adopts a multi-layer embedded structure design to integrate the push button 61 and the knob 3 into a whole, so that the push-button knob switch has two switch functions at the same time; moreover, the push-type knob switch is provided with the sealing assembly, and gaps among all movable pieces are reduced as much as possible through the sealing effect of the sealing assembly, so that the sealing performance of the push-type knob switch is effectively improved, and the use requirement of a user is met.

In this embodiment, a groove matched with the limit ring 4 is disposed on the side of the knob 3 away from the base 2; the limiting ring 4 is embedded in the groove of the knob 3, so that the surfaces of the cap 62 and the limiting ring 4 are flush with the surface of the knob 3.

It can be understood that the integrated appearance design is more attractive, the contact surface between the push-type knob switch and a user is smoother, the touch feeling of the user when touching the push-type knob switch is more comfortable, and the user experience is improved; moreover, by adopting the structural design with a flat surface, the tight fit among all parts is facilitated, and the tightness of the push-type knob switch can be further improved.

Further, referring to fig. 5, the cooperation of the button and the knob in the embodiment is shown, a plurality of limit protrusions 611 are annularly arranged on the outer side surface of the button 61, and a plurality of abdication grooves 31 for the limit blocks to pass through are annularly arranged in the inner cavity of the knob 3.

In practical application, when the knob 3 is in the "0" gear, the limiting projection 611 and the yielding groove 31 are in a staggered positional relationship, and at this time, the button 61 cannot be pressed under the action of the limiting projection 611; when the knob 3 is rotated to the "1" gear, the abdication groove 31 is driven to be right under the limit projection 611 along with the rotation of the knob 3, at this time, the limit projection 611 can pass through the abdication groove 31 along with the sinking of the button 61, so that the button 61 can trigger the second micro switch 53;

further, referring to fig. 6, the cooperation between the button and the base is shown in the embodiment, the inner cavity of the base 2 is provided with a limiting rod 21 for limiting the rotation of the button 61, the button 61 is provided with a limiting groove 612 matched with the limiting rod 21, and the limiting rod 21 penetrates through the knob 3 and is embedded in the limiting groove 612.

It will be appreciated that the function of the stop lever 21 is to limit the rotation of the button 61 and prevent the button 61 from being driven by the knob 3, so that the button 61 remains relatively stationary with respect to the base 2 when the knob 3 is rotated.

In this embodiment, please refer to fig. 7, which is a schematic diagram illustrating the cooperation between the knob and the slider in the embodiment, a plurality of sliders 81 are disposed in an annular array in the inner cavity of the base 2, and a positioning spring 82 is disposed between the sliders 81 and the base 2; the outer side of the knob 3 is provided with a plurality of wavy protruding blocks 32 matched with the sliding blocks 81 in an annular array, and the sliding blocks 81 are propped against the wavy protruding blocks 32 by the elastic force of the positioning springs 82.

It can be understood that the positioning spring 82 is always in a compressed state, and under the action of elastic force, the sliding block 81 can generate a certain pressure on the wavy protruding blocks 32 around the knob 3, so as to provide friction force for the knob 3 in the rotating process, so that the knob 3 can be stabilized at the gear of 0 or 1, loosening of the knob 3 is prevented, and the functional effect of the push-type knob switch is affected.

Further, referring to fig. 8, the cooperation diagram of a knob, a button and a micro switch is shown, and a dial 33 for triggering the first micro switch 52 is disposed at one end of the knob 3 near the PCB 5; a push rod 613 for triggering the second micro switch 53 is arranged at one end of the button 61 close to the PCB 5;

When the knob 3 is turned to a first preset position, the dial 33 presses down the elastic sheet of the first micro switch 52, so as to trigger the first micro switch 52; when the button 61 is pressed, the push rod 613 presses down the elastic piece of the second micro switch 53, thereby triggering the second micro switch 53.

Further, the cap 62 is made of a light-transmitting material, and the button 61 of the light guide column 9 is a hollow column structure; the push-button knob switch further comprises a light guide column 9, wherein the light guide column 9 penetrates through the button 61, one end of the light guide column 9 faces the light source module 51, and the other end of the light guide column 9 faces the cap 62. Specifically, the light guide column 9 is used for guiding the light emitted by the light source module 51 inside the base 2 to the outside of the cap 62, so that a user can observe the feedback condition of the light conveniently.

In this embodiment, a return spring 10 is further sleeved on the outer side of the button 61, and two stress ends of the return spring 10 respectively abut against the button 61 and the knob 3. Specifically, when the button 61 needs to be restored to the original position, the return spring 10 may provide a certain supporting force and elastic force to the button 61, so that the button 61 is lifted, and the second micro switch 53 is turned off.

The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The waterproof push-type knob switch is characterized by comprising a bottom shell (1), wherein one side of the bottom shell (1) is connected with a hollow base (2), one side, far away from the bottom shell (1), of the base (2) is inlaid with a hollow knob (3), and a push-type switch assembly is inlaid in the knob (3); a limiting ring (4) is fixedly connected to one side, far away from the bottom shell (1), of the base (2), and the knob (3) and the push switch assembly are locked on the base (2) by the limiting ring (4);

The bottom shell (1) is of a hollow structure, and a PCB (5) is arranged in the bottom shell; the PCB (5) is provided with a light source module (51), a first micro switch (52) controlled by the knob (3) and a second micro switch (53) controlled by the press switch assembly;

The push type knob switch further comprises a sealing assembly, and the limiting ring (4) and the push type switch assembly are connected in the knob (3) in a sealing mode through the sealing assembly;

The push switch assembly comprises a columnar button (61), a plurality of limit lugs (611) are annularly arranged on the outer side surface of the button (61), and a plurality of abdication grooves (31) for the limit blocks to pass through are annularly arranged in the inner cavity of the knob (3);

The inner cavity of the base (2) is provided with a limiting rod (21) for limiting the rotation of the button (61), the button (61) is provided with a limiting groove (612) matched with the limiting rod (21), and the limiting rod (21) penetrates through the knob (3) and is embedded in the limiting groove (612);

A plurality of sliding blocks (81) are arranged in an annular array in the inner cavity of the base (2), and positioning springs (82) are arranged between the sliding blocks (81) and the base (2); the outer side of the knob (3) is provided with a plurality of wavy convex blocks (32) matched with the sliding blocks (81) in an annular array, and the sliding blocks (81) are propped against the wavy convex blocks (32) by the elastic force of the positioning springs (82).

2. The waterproof push-button rotary switch according to claim 1, characterized in that the push-button assembly comprises a cap (62) connected to the top surface of the push button (61); the button (61) is movably embedded in the knob (3), the limiting ring (4) is provided with a containing through groove matched with the cap (62), and the cap (62) is embedded in the containing through groove of the limiting ring (4);

the second micro switch (53) is controlled by the button (61), and when the button (61) is pressed, the button (61) triggers the second micro switch (53).

3. The waterproof push-button switch according to claim 1, characterized in that the side of the knob (3) remote from the base (2) is provided with a groove matching the limit ring (4); the limiting ring (4) is embedded in the groove of the knob (3), so that the surfaces of the cap (62) and the limiting ring (4) are flush with the surface of the knob (3).

4. A waterproof push-button switch according to claim 3, characterized in that the sealing assembly comprises a first sealing ring (71) and a second sealing ring (72); an annular first sealing groove (41) is formed in the side surface, abutted against the knob (3), of the limiting ring (4), and the first sealing ring (71) is sleeved in the first sealing groove (41); an annular second sealing groove (621) is formed in the side surface, abutted against the limiting ring (4), of the cap (62), and the second sealing ring (72) is sleeved in the second sealing groove (621).

5. The waterproof push-button knob switch according to claim 2, characterized in that one end of the knob (3) close to the PCB board (5) is provided with a paddle (33) for triggering the first micro-switch (52); one end of the button (61) close to the PCB (5) is provided with a push rod (613) for triggering the second micro switch (53).

6. The waterproof push-button rotary switch according to claim 2, characterized in that the cap (62) is made of a light-transmitting material, and the push button (61) of the light-guiding column (9) is of a hollow columnar structure; the push-type knob switch further comprises a light guide column (9), the light guide column (9) penetrates through the button (61), one end of the light guide column (9) faces the light source module (51), and the other end of the light guide column (9) faces the cap (62).

7. The waterproof push-button switch according to claim 2, characterized in that a return spring (10) is further sleeved on the outer side of the button (61), and two stress ends of the return spring (10) respectively abut against the button (61) and the knob (3).