CN214956572U

CN214956572U - Knob switch

Info

Publication number: CN214956572U
Application number: CN202121301175.8U
Authority: CN
Inventors: 王绍峰; 王文雄; 谢泽华
Original assignee: Guangdong Murenking Appliance Co ltd
Current assignee: Guangdong Murenking Appliance Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-11-30
Anticipated expiration: 2031-06-09

Abstract

The application relates to the technical field of switches, in particular to a knob switch which comprises a fixing component and a rotating component, wherein the fixing component comprises a fixing seat, a PCB (printed circuit board), a fixing shell and a display screen; the rotating assembly comprises a rotating seat and a rotating cover, the rotating seat is rotatably installed on one side of the PCB, the rotating seat is arranged on the fixed seat in a penetrating mode and fixed with the rotating cover, the rotating cover is far away from one side of the rotating seat, the containing groove is formed in the fixed shell and the display screen and located in the containing groove, the rotating groove which runs through and is formed by an arc is formed in the rotating cover, and the fixed shell is arranged on the rotating cover in a penetrating mode through the rotating groove and fixed with one side, away from the PCB, of the fixed seat. This application has the effect that the staff of being convenient for to work observes the data that the display screen shows.

Description

Knob switch

Technical Field

The application relates to the field of switches, in particular to a knob switch.

Background

The knob switch is a common electric appliance switch in life, and is commonly used in the fields of related kitchen appliances such as a dough mixer, a microwave oven, an induction cooker and the like.

The knob switch in the related art generally comprises a fixed part and a rotary cover, wherein the fixed part is fixed with a machine body of the kitchen electrical appliance, the rotary cover is rotationally matched with the fixed part and is positioned outside the machine body of the kitchen electrical appliance, and when the knob switch is used, the rotary cover can be rotated to correspondingly control the running condition of the machine body through a related circuit. In order to facilitate the observation of the rotated condition of the screw cap by workers, a display screen is usually installed in the middle of the screw cap.

In view of the above-mentioned related technologies, the inventor thinks that when the screw cap with the display screen is rotated, the display screen is rotated along with the screw cap, and thus the data displayed on the display screen is inconvenient for the staff to observe.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the staff to observe the data that the display screen shows, this application provides a rotary switch.

The application provides a knob switch adopts following technical scheme:

a knob switch comprises a fixing component and a rotating component, wherein the fixing component comprises a fixing seat, a PCB (printed Circuit Board), a fixing shell and a display screen; the rotating assembly comprises a rotating seat and a rotating cover, the rotating seat is rotatably installed on one side of the PCB, the rotating seat is arranged on the fixed seat in a penetrating mode and fixed with the rotating cover, one side, away from the rotating seat, of the rotating cover is provided with a containing groove, the fixed shell and the display screen are located in the containing groove, the rotating groove which runs through and is formed by the rotating cover is formed in the rotating cover, the fixed shell is arranged on the rotating cover in a penetrating mode through the rotating groove and fixed with one side, away from the PCB, of the fixed seat.

By adopting the technical scheme, when the knob switch is used, the fixing seat is firstly installed on the machine body of the kitchen electrical appliance, and the display screen is used for displaying data of the machine body and the condition of the rotary cover after rotation. When the spiral cover rotates, the rotating seat rotates along with the rotating, the display screen is fixed along with the fixing seat due to the fixing of the fixing shell and the fixing seat, and when the rotating seat rotates, the fixing shell is always located in the rotating groove, so that the display screen is not prone to rotating along with the spiral cover, workers can observe data displayed by the display screen visually, meanwhile, the integrated installation of the display screen is facilitated, and the attractiveness is enhanced.

Optionally, the fixing base includes installation shell, installation panel and light-passing board, the installation shell is fixed mutually with the installation panel through the screw, the light-passing board is fixed in the one side that the installation shell was kept away from to the installation panel through the screw.

By adopting the technical scheme, the mounting panel is mounted outside the machine body of the kitchen electrical appliance, the mounting shell is mounted in the machine body of the kitchen electrical appliance and is fixed with the mounting panel through screws, so that the fixing seat can be stably fixed on the machine body of the kitchen electrical appliance, the mounting operation of workers is simple and convenient, and the light-transmitting plate is favorable for enhancing the light transmittance.

Optionally, the rotating base is fixedly connected with a plurality of installation elastic clamping blocks, the fixing base is provided with through holes for the installation elastic clamping blocks to pass through, and the spiral cover is provided with installation clamping holes matched with the installation elastic clamping blocks in a clamping mode.

Through adopting above-mentioned technical scheme, a plurality of installation elasticity fixture blocks that will rotate the seat pass the via hole and with installation card hole joint can make the spiral cover fixed mutually with rotating the seat to make spiral cover and rotating the simple structure that the seat was fixed mutually, simple to operate, the practicality is strong.

Optionally, the spiral cover is fixedly connected with a plurality of clamping elastic clamping blocks, and the clamping elastic clamping blocks penetrate through the through holes and are abutted against one side, far away from the spiral cover, of the fixed seat.

Through adopting above-mentioned technical scheme, screens elasticity fixture block plays further limiting displacement when rotating the spiral cover to stability when being favorable to further guaranteeing the spiral cover rotation.

Optionally, the outer peripheral face of the reset groove rotating seat is provided with a reset groove, and the PCB is fixedly connected with a reset elastic sheet clamped and matched with the reset groove.

Through adopting above-mentioned technical scheme, the shell fragment that resets plays the positioning action when rotating the roating seat with the cooperation in groove that resets, and then the staff of being convenient for will make the roating seat rotate to initial condition through revolving soon the spiral cover.

Optionally, roating seat fixedly connected with screens strip, fixing base fixedly connected with is the fender position strip that the arc set up, keep off the position strip and be used for spacing the rotation of screens strip.

Through adopting above-mentioned technical scheme, keep off the cooperation of position strip and screens strip and be convenient for carry on spacingly to the rotation stroke of roating seat to stability when guaranteeing the roating seat and rotating.

Optionally, a plurality of fixed elastic clamping blocks are fixedly connected to the display screen, and fixing clamping holes corresponding to the fixed elastic clamping blocks in position and matched with the fixed elastic clamping blocks in a clamping mode are formed in the fixing shell.

Through adopting above-mentioned technical scheme, the cooperation of fixed elasticity fixture block and fixing clip hole makes between display screen and the set casing fixed mounting structure simple mutually, and the practicality is strong.

Optionally, the display screen fixedly connected with locating piece, the set casing is seted up and is corresponded with the locating piece position and with locating piece joint complex constant head tank.

Through adopting above-mentioned technical scheme, the location effect when installing display screen and fixed shell is played in the cooperation of locating piece and constant head tank to be difficult for the dislocation when making display screen and fixed shell install.

Optionally, the fixing shell is fixedly connected with a plurality of groups of guide strips which are arranged in one-to-one correspondence with the positions of the fixed elastic clamping blocks, two guide strips are arranged in each group, and when the fixed elastic clamping blocks are clamped in the fixing clamping holes, each fixed elastic clamping block is respectively located between two guide strips in each group.

Through adopting above-mentioned technical scheme, two guide strips of every group play the guide effect when fixing the installation of elasticity fixture block to the position when being convenient for the staff inserts each fixing the elasticity fixture block hole with the display screen installation.

Optionally, a decorative ring is installed on one side of the rotary cover away from the rotary seat, and the decorative ring extends to the groove wall of the accommodating groove.

Through adopting above-mentioned technical scheme, being provided with of decorative ring does benefit to the aesthetic measure of reinforcing spiral cover, simultaneously, is favorable to reducing the cell wall that the storage tank is close to its notch department and the clearance between the set casing to make external impurity such as dust be difficult for getting into in the storage tank through the clearance between storage tank cell wall and set casing.

In summary, the present application includes at least one of the following beneficial technical effects:

when the roating seat rotated, the set casing was located all the time and rotates the inslot to make the display screen be difficult for rotating along with the spiral cover together, and then be convenient for the audio-visual data to the display screen demonstration of staff observe, be convenient for simultaneously to the integrated installation of display screen, the reinforcing is pleasing to the eye degree.

The cooperation of installation elasticity fixture block and installation card hole makes spiral cover and rotating seat fixed structure simple mutually, simple to operate, and the practicality is strong.

The decorative ring is arranged to be beneficial to enhancing the aesthetic degree of the spiral cover, and simultaneously, the decorative ring is beneficial to reducing the gap between the groove wall of the accommodating groove close to the groove opening and the fixed shell, so that external impurities such as dust and the like are not easy to enter the accommodating groove through the gap between the groove wall of the accommodating groove and the fixed shell.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is an exploded view of the overall structure of an embodiment of the present application.

Fig. 3 is an exploded view of another perspective of the overall structure of an embodiment of the present application.

Fig. 4 is a schematic diagram illustrating a connection relationship between a PCB and a rotary base in an embodiment of the present application.

FIG. 5 is a schematic view of the connection between the screw cap and the decoration ring in the embodiment of the present application.

Description of reference numerals: 1. a fixed seat; 101. mounting a shell; 102. installing a panel; 103. a light-transmitting plate; 2. a PCB board; 3. a stationary case; 301. a fixed part; 302. a connecting portion; 4. a display screen; 5. positioning the elastic fixture block; 6. a hole of abdication; 7. a rotating base; 8. screwing a cover; 9. installing an elastic clamping block; 10. a via hole; 11. installing a clamping hole; 12. a clamping elastic fixture block; 13. a reset groove; 14. resetting the elastic sheet; 15. a gear shift range; 16. a clamping strip; 17. a containing groove; 18. a rotating groove; 19. mounting grooves; 20. fixing an elastic clamping block; 21. fixing the clamp hole; 22. a guide strip; 23. positioning blocks; 24. positioning a groove; 25. a decorative ring; 26. a fixing strip; 27. and fixing the grooves.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a knob switch. Referring to fig. 1 and 2, the rotary switch includes a fixing component and a rotating component, the fixing component includes a fixing base 1, a PCB board 2, a fixing case 3, and a display screen 4, wherein the fixing base 1 includes a mounting case 101, a mounting panel 102, and a light-transmitting plate 103.

With continued reference to fig. 1 and 2, the mounting panel 102 is fixedly connected with four positioning elastic fixture blocks 5 uniformly distributed around the axis of the mounting panel in the circumferential direction, so as to facilitate the initial mounting on the outer side of the kitchen appliance. The installation shell 101 is provided with a yielding hole 6 which corresponds to the position of the elastic positioning fixture block 5 in a one-to-one manner and allows the elastic positioning fixture block 5 to pass through, the installation shell 101 is installed on the inner side of the kitchen appliance body, the installation shell 101 is fixed to the installation panel 102 through screws, so that the installation panel 102 and the installation shell 101 are firmly fixed to the kitchen appliance body, and the elastic positioning fixture block 5 and the yielding hole 6 are matched to play a role in guiding the installation of the installation shell 101. The light-transmitting plate 103 is fixed to a side of the mounting panel 102 away from the mounting case 101 by screws, so that light can pass through the light-transmitting plate.

Referring to fig. 2, the PCB 2 is fixed to the mounting case 101 by screws. The rotating assembly comprises a rotating seat 7 and a rotating cover 8, the rotating seat 7 is rotatably connected to one side of the PCB 2 facing the installation shell 101, one side of the rotating seat away from the PCB 2 is fixedly connected with three installation elastic clamping blocks 9 uniformly distributed in the circumferential direction of the axis of the PCB, and the installation shell 101, the installation panel 102 and the light-transmitting plate 103 are all provided with through holes 10 penetrating through the installation shell for the installation elastic clamping blocks 9 to pass through. The mounting card hole 11 that runs through the setting is seted up to spiral cover 8, and mounting card hole 11 is irregular circular, and each installation elasticity fixture block 9 all passes each via hole 10 and the joint cooperates in mounting card hole 11, and mounting card hole 11 is spacing to the position of two installation elasticity fixture blocks 9 to make spiral cover 8 fixed mutually with the position of roating seat 7, when spiral cover 8 rotates promptly, roating seat 7 rotates along with it, thereby realizes the regulation to the organism operation.

Referring to fig. 2 and 3, one side of the rotary cover 8 facing the rotary seat 7 is fixedly connected with three clamping elastic clamping blocks 12 which are uniformly distributed in the circumferential direction around the axis, and the three clamping elastic clamping blocks 12 penetrate through the two through holes 10 and abut against one side of the installation panel 102 far away from the rotary cover 8 so as to further limit the rotary cover 8 in rotation, thereby ensuring the stability of the rotary cover 8 in the rotation process.

Referring to fig. 3 and 4, the outer peripheral surface of the rotary base 7 is provided with a reset groove 13 which is arc-shaped, and the PCB board 2 is fixedly connected with a reset elastic sheet 14 which is clamped and matched with the reset groove 13, so that the worker can rotate the rotary base 7 to the initial state. Roating seat 7 fixedly connected with screens strip 16, installation shell 101 is the fender position strip 15 that the arc set up towards one side fixedly connected with of PCB board 2, and when roating seat 7 rotated initial position and extreme position, screens strip 16 contradicted respectively in the both ends that keep off position strip 15 to make keep off position strip 15 and play the limiting displacement when rotating screens strip 16, thereby carry on spacingly to the rotation stroke of roating seat 7, further guarantee the stability when roating seat 7 rotates.

Referring to fig. 2 and 3, a containing groove 17 is formed in a side of the screw cap 8 away from the rotary base 7, and the fixed shell 3 is located in the containing groove 17. The set casing 3 includes fixed part 301 and connecting portion 302, connecting portion 302 fixed connection is in fixed part 301 one side towards spiral cover 8, the cell wall that its notch was kept away from to storage tank 17 is seted up and is the arc setting and run through the rotation groove 18 that sets up, connecting portion 302 wears to locate rotation groove 18 and is fixed mutually with light-passing board 103, when spiral cover 8 rotates, connecting portion 302 is located rotation groove 18 all the time, thereby when making spiral cover 8 rotate, the fixed disk keeps the relatively fixed state with the light guide plate.

Referring to fig. 3, a mounting groove 19 is formed on a side of the fixing portion 301 away from the screw cap 8 for mounting various electronic components. Display screen 4 fixedly connected with is three around its axis circumference evenly distributed's fixed elasticity fixture block 20, and the side wall of mounting groove 19 is seted up with three fixed elasticity fixture block 20 position one-to-one and with three fixed elasticity fixture block 20 looks joint complex fixed card hole 21, the cooperation of fixed elasticity fixture block 20 and fixed card hole 21 is convenient for the staff to carry out fixed mounting to display screen 4 and set casing 3.

Referring to fig. 2 and 3, three groups of guide strips 22 which are in one-to-one correspondence with the positions of the fixed elastic fixture blocks 20 are fixedly connected to the side groove wall of the mounting groove 19, two guide strips 22 are arranged in parallel in each group, each fixed elastic fixture block 20 is clamped in the fixed clamp hole 21, each fixed elastic fixture block 20 is respectively positioned between the two guide strips 22 in each group, and the two sides of each fixed elastic fixture block 20 are abutted against one side which is opposite to the two guide strips 22 in each group, so that the guide effect during mounting of the display screen 4 is achieved, and the display screen 4 is conveniently mounted to the position where the display screen is fixed with the fixed shell 3. Display screen 4 fixedly connected with is square locating piece 23, and fixed lesson is seted up and is corresponded and with locating piece 23 joint complex constant head tank 24 with locating piece 23 position to play the positioning action when installing display screen 4, thereby be convenient for display screen 4's correct installation.

Referring to fig. 2 and 5, a decoration ring 25 is sleeved on one side of the rotary cover 8 away from the rotary seat 7, and the decoration ring 25 extends to the groove wall of the accommodating groove 17 to reduce a gap between the groove wall of the accommodating groove 17 close to the groove opening and the outer wall of the stationary shell 3, so that external impurities such as dust and the like are not easy to enter the accommodating groove 17 through the gap between the groove wall of the accommodating groove 17 and the outer wall of the stationary shell 3. The cell wall fixedly connected with fixed strip 26 of storage tank 17, ornamental ring 25 offer with fixed strip 26 joint complex fixed slot 27 to play the further fixed action to ornamental ring 25, make ornamental ring 25 difficult spiral cover 8 relatively rotate, further guarantee the stability of being connected between ornamental ring 25 and spiral cover 8.

The implementation principle of a knob switch in the embodiment of the application is as follows: after the knob switch is installed on the body of the kitchen appliance, the display screen 4 is used for displaying data of the body and the rotated state of the screw cap 8. When rotating spiral cover 8, roating seat 7 rotates along with it, display screen 4 is together fixed along with it because of the fixed of set casing 3 and fixing base 1, when roating seat 7 rotated, connecting portion 302 of set casing 3 was located all the time and rotates groove 18 to make display screen 4 be difficult for rotating along with spiral cover 8 together, and then be convenient for the audio-visual data that show display screen 4 of staff to observe, the staff of being convenient for simultaneously is to the integrated installation of display screen 4, the reinforcing is pleasing to the eye degree.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A rotary switch, characterized in that: the display screen fixing device comprises a fixing component and a rotating component, wherein the fixing component comprises a fixing seat (1), a PCB (printed circuit board) (2), a fixing shell (3) and a display screen (4), the PCB (2) is installed on one side of the fixing seat (1), and the display screen (4) is installed on the fixing shell (3); the rotating assembly comprises a rotating seat (7) and a rotating cover (8), the rotating seat (7) is rotatably installed on one side of the PCB (2), the rotating seat (7) is arranged on the fixing seat (1) in a penetrating mode and is fixed to the rotating cover (8), a containing groove (17) is formed in one side, away from the rotating seat (7), of the rotating cover (8), the fixing shell (3) and the display screen (4) are located in the containing groove (17), the rotating groove (18) which runs through and is formed in an arc shape is formed in the rotating cover (8), the fixing shell (3) is arranged on the rotating cover (8) in a penetrating mode through the rotating groove (18) and is fixed to one side, away from the PCB (2) through the fixing seat (1).

2. A rotary switch according to claim 1, wherein: the fixing seat (1) comprises a mounting shell (101), a mounting panel (102) and a light-transmitting plate (103), the mounting shell (101) is fixed with the mounting panel (102) through screws, and the light-transmitting plate (103) is fixed on one side, far away from the mounting shell (101), of the mounting panel (102) through screws.

3. A rotary switch according to claim 1, wherein: the rotary seat (7) is fixedly connected with a plurality of installation elastic clamping blocks (9), the fixing seat (1) is provided with a through hole (10) for the installation elastic clamping block (9) to pass through, and the rotary cover (8) is provided with installation clamping holes (11) which are clamped and matched with the installation elastic clamping blocks (9).

4. A rotary switch according to claim 3, wherein: the spiral cover (8) is fixedly connected with a plurality of clamping elastic clamping blocks (12), and the clamping elastic clamping blocks (12) penetrate through the through holes (10) and are abutted to one side, far away from the spiral cover (8), of the fixed base (1).

5. A rotary switch according to claim 1, wherein: reset groove (13) have been seted up to the outer peripheral face of roating seat (7), PCB board (2) fixedly connected with and reset groove (13) joint complex shell fragment (14) that resets.

6. A rotary switch according to claim 1 or 5, wherein: roating seat (7) fixedly connected with screens strip (16), fixing base (1) fixedly connected with is fender position strip (15) that the arc set up, keep off position strip (15) and be used for carrying on spacingly to the rotation of screens strip (16).

7. A rotary switch according to claim 1, wherein: display screen (4) fixedly connected with a plurality of fixed elasticity fixture block (20), set up with fixed elasticity fixture block (20) position correspond and with fixed elasticity fixture block (20) joint complex fixed card hole (21).

8. A rotary switch according to claim 7, wherein: display screen (4) fixedly connected with locating piece (23), set casing (3) have been seted up and have been corresponded and with locating piece (23) position and with locating piece (23) joint complex constant head tank (24).

9. A rotary switch according to claim 7 or 8, wherein: the fixed shell (3) is fixedly connected with a plurality of groups of guide strips (22) which are arranged in one-to-one correspondence with the positions of the fixed elastic clamping blocks (20), two guide strips (22) are arranged in each group, and when the fixed elastic clamping blocks (20) are clamped in the fixed clamping holes (21), the fixed elastic clamping blocks (20) are respectively positioned between the two guide strips (22) in each group.

10. A rotary switch according to claim 1, wherein: decorative ring (25) are installed to one side that spiral cover (8) kept away from roating seat (7), decorative ring (25) extend to the cell wall of storage tank (17).