CN209544219U - A kind of rotary switch - Google Patents

Abstract

The utility model relates to a kind of rotary switches, it include outer cover, shell and it is placed in the intracorporal button assembly of shell, outer cover and shell are screwed on cooperation in screw thread, button assembly includes control knob and the pressing core being arranged on control knob, pressing core has a housing and the central spindle with housing expansion fit, reset spring is equipped between central spindle and control knob or housing, it presses in-core and is equipped with guide pad, pillar is correspondingly provided with along its shaft core position in the guide pad both ends of the surface, central spindle and outer put on are respectively equipped with guide groove and locating slot, housing and central spindle pass through guide pad and pillar two station location fits of composition, mounting rack is additionally provided in shell, mounting rack is snapped connection with shell, mounting rack is equipped with the first through hole worn for pressing core, mounting rack is additionally provided with LED light bar in the surrounding of first through hole.Using the above scheme, structure is simple, safer, and design is reasonable.

Description

A kind of rotary switch

Technical field

The utility model relates to a kind of rotary switch, the knob of the kitchen tools such as especially a kind of electric oven, electric oven, micro-wave oven Switch.

Background technique

Currently, be mostly in the market to engage with the main body panel of electric oven with electric oven button switch disclosed in data, The button switch has button and shell, and the main body of button switch is revealed in outside electric oven, and shell is equipped with and main body panel Button switch is fixed in main body panel by the compatible card slot of thickness or buckle, setting in this way, with reach it is beautiful and Purpose easy to assembly, still, there is also some defects for such set-up mode, since the setting of card slot or buckle on shell is big Mostly be all be wholely set out with shell, so, in the fabrication process, it is necessary to according to the thickness of the main body panel of the electric oven The width for defining card slot or buckle, for the leeway that the electric oven of different model is not replaced freely then, due to the button switch It is revealed in outside electric oven, consumer is possible to hang on button switch and cause clothing clothes in use if accidentally The damage of clothes, the protrusion of switch button will also result in trouble when cleaning the main body panel of electric oven to consumer, and such The curiosity that children can also be caused is set, since the button switch is revealed in outside, it is easy to which button is dynamic, when children are at play accidentally Its button is moved, if nobody has found and is turned off always, it will cause security risks, allow whether in addition button only passes through protrusion People perceives its mode being not very good that whether works, remote in this way or have defective vision, and can allow people can not interpretation.

Applicant proposes the patent of Patent No. 201420631464.8 on October 28th, 2014, discloses one kind Button switch, include outer cover, hollow light-permeable shell and be placed in the intracorporal button assembly of shell, outer cover and shell are in screw thread Be screwed on cooperation, and the top of the shell is equipped with skirt, the button assembly include control knob and be arranged on control knob by Press core, the pressing core has a housing and a central spindle with housing expansion fit, the central spindle and control knob or housing it Between be equipped with reset spring, the pressing in-core is equipped with guide pad, is correspondingly provided in the guide pad both ends of the surface along its shaft core position Pillar, central spindle and outer put on are respectively equipped with guide groove and locating slot, and housing and central spindle pass through guide pad and pillar two stations of composition Location fit further includes having illuminator, and the illuminator includes bracket and LED lamp bar, the bracket integral into circle, On be provided with annular accommodating cavity, LED lamp bar is fixed in the accommodating cavity of bracket, and the middle part in the lamp bar offers logical Hole, bracket are set on shell by the through-hole, and the outer cover, which is screwed in after shell, to be contradicted bracket and make the skirt of bracket and shell Between formed clamping installing zone include.Above-mentioned patent there are the problem of: since bracket is set in hull outside, LED lamp bar may It can be dangerous there is a situation where leaking electricity.

Summary of the invention

The utility model overcomes the deficiencies in the prior art, provides a kind of rotary switch, and structure is simple, more pacifies Entirely, design is reasonable.

To achieve the goals above, the technical solution adopted in the utility model is: a kind of rotary switch, include outer cover, Shell and it is placed in the intracorporal button assembly of shell, outer cover and shell are screwed on cooperation in screw thread, and the button assembly includes control knob And the pressing core on control knob is set, the pressing core has a housing and the central spindle with housing expansion fit, described Reset spring is equipped between central spindle and control knob or housing, the pressing in-core is equipped with guide pad, in the guide pad both ends of the surface It is correspondingly provided with pillar along its shaft core position, central spindle and outer put on are respectively equipped with guide groove and locating slot, and housing is with central spindle by leading Two station location fits are constituted to block and pillar, are additionally provided with mounting rack in the shell, the mounting rack is snapped connection with shell, Mounting rack is equipped with the first through hole worn for pressing core, and mounting rack is additionally provided with LED light bar in the surrounding of first through hole.

By using above scheme, when not needing using knob, control knob, button, so that control knob can be pressed inward against It is hidden in shell；When needing using knob, control knob can be pressed inward against, under the action of reset spring can drive control button stretch Shell out, mounting rack are mounted in shell by way of buckle, LED light bar can be effectively prevent to leak electricity, safer, and even Binding structure is simple, and design is reasonable.

The utility model is further arranged so that the mounting rack is surrounded by annular accommodation groove, LED in first through hole Lamp bar and annular accommodation groove shape adaptation, LED light bar are inserted in annular accommodation groove, are additionally provided with light guide plate on the mounting rack, lead Tabula rasa is arranged at circular ring shape, and the light guide plate lid is located in LED light bar.

By using above scheme, LED light bar is placed in annular accommodation groove, easy for installation, and light guide plate can send out LED light bar Light out uniformly distributes, and plays better indicative function.

The utility model is further arranged so that the mounting rack is equipped with elastic slice, the elastic slice far from one end of control knob Lateral surface be equipped with grab, the side wall of the shell is equipped with the first bayonet at corresponding grab, grab can hook be located at the first card At mouthful.

By using above scheme, it is oppositely arranged on mounting rack there are two elastic slice, elastic slice can occur flexible deformation, work as grab When inconsistent with the inner wall of shell, two elastic slices are bringing together, until grab moves at the first bayonet, elastic slice restores deformation, drive Dynamic grab is caught in the first bayonet, and setting in this way is also convenient for manual actuation grab and is detached from the first bayonet, and structure is simple, and design is reasonable.

The utility model is further arranged so that the light guide plate is being extended with fixture block close to the side of annular accommodation groove, The bottom surface of the annular accommodation groove is equipped with the second bayonet set for fixture block card, and the second bayonet is located at the inner side of LED light bar.

By using above scheme, when light guide plate lid is located in LED light bar, fixture block can be caught in the second bayonet, and realization is led The positioning of tabula rasa, and fixture block is after mounting, can contradict the inside of LED light bar, and LED light bar installation is more preferably stable.

Further being arranged so that in the LED light bar for the utility model is additionally provided with patching jack, the patching jack and LED Lamp bar electrical connection, mounting rack are equipped with the socket plugged for patching jack, and socket is connected to annular accommodation groove, and the light guide plate is right Spigot is answered to be equipped with guide pad, guide pad is inserted in socket.

By using above scheme, in mounted LED lamp, patching jack can be directed at socket, play certain guiding and make With；When installing light guide plate, it can will be oriented to block alignment socket, certain guiding role is played, convenient for LED light bar and light guide plate Installation, so that overall structure is more compact.

The utility model is further described with reference to the accompanying drawing.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model embodiment；

Fig. 2 is the configuration schematic diagram of the utility model embodiment；

Fig. 3 is the fit structure schematic diagram of mounting rack, LED light bar and light guide plate；

Fig. 4 is the structural schematic diagram of mounting rack；

Fig. 5 is the structural schematic diagram of light guide plate；

Fig. 6 is the structural schematic diagram of button assembly；

Fig. 7 is the structural schematic diagram of shell.

Specific embodiment

As shown in Fig. 1-Fig. 7, a kind of rotary switch includes outer cover 1, shell 2 and the button assembly being placed in shell 2, Outer cover 1 and shell 2 are screwed on cooperation in screw thread, button assembly include control knob 31 and be arranged on control knob 31 pressing core 32, pressing core 32 has a housing 321 and the central spindle 322 with 321 expansion fit of housing, central spindle 322 and control knob 31 or outer It is equipped with reset spring 4 between set 321, presses and is equipped with guide pad 5 in core 32, along its shaft core position pair in 5 both ends of the surface of guide pad It should be equipped with pillar 51, guide groove and locating slot are respectively equipped in central spindle 322 and housing 321, housing 321 is with central spindle 322 by leading Two station location fits are constituted to block 5 and pillar 51, wherein two station location fits are by Patent No. 201320097893.7 patent disclosure is the ordinary skill in the art, therefore is not introduced specifically herein, in shell 2 also Equipped with mounting rack 6, mounting rack 6 is snapped connection with shell 2, and mounting rack 6 is equipped with the first through hole 61 worn for pressing core 32, peace It shelves 6 and is additionally provided with LED light bar 7 in the surrounding of first through hole 61.

In the present embodiment, mounting rack 6 first through hole 61 the annular accommodation groove 62 that is surrounded by, LED light bar 7 and annular 62 shape adaptation of accommodation groove, LED light bar 7 are inserted in annular accommodation groove 62, are additionally provided with light guide plate 8 on mounting rack 6, light guide plate 8 at Circular ring shape setting, the lid of light guide plate 8 are located in LED light bar 7.

In the present embodiment, mounting rack 6 has been wholely set elastic slice 63, the lateral surface of elastic slice 63 far from one end of control knob 31 Be equipped with grab 64, the side wall of shell 2 is equipped with the first bayonet 21 at corresponding grab 64, grab 64 can hook be located at the first bayonet 21 Place.

In the present embodiment, light guide plate 8 is being extended with fixture block 81, annular accommodation groove 62 close to the side of annular accommodation groove 62 Bottom surface be equipped with and block the second bayonet 65 for setting for fixture block 81, the second bayonet 65 is located at the inner side of LED light bar 7.

In the present embodiment, patching jack 9 is additionally provided in LED light bar 7, patching jack 9 is electrically connected with LED light bar 7, mounting rack 6 It is equipped with the socket 66 plugged for patching jack 9, socket 66 is connected to annular accommodation groove 62, and light guide plate 8 is one at corresponding socket 66 Body is provided with guide pad 82, and guide pad 82 is inserted in socket 66.

Above embodiments, only one kind of the utility model preferably specific embodiment, those skilled in the art are in this reality It is included in the protection scope of the utility model with the usual variations and alternatives carried out in new technique aspects.

Claims (5)

1. a kind of rotary switch includes outer cover, shell and is placed in the intracorporal button assembly of shell, outer cover and shell are screwed in screw thread Cooperation, the button assembly include control knob and the pressing core being arranged on control knob, and the pressing core has outside one Set and the central spindle with housing expansion fit are equipped with reset spring, the pressing core between the central spindle and control knob or housing It is interior to be equipped with guide pad, pillar is correspondingly provided with along its shaft core position in the guide pad both ends of the surface, central spindle and is put on to be respectively equipped with outside and is led To slot and locating slot, housing and central spindle pass through guide pad and pillar two station location fits of composition, it is characterised in that: the shell It is inside additionally provided with mounting rack, the mounting rack is snapped connection with shell, and mounting rack is equipped with the first through hole worn for pressing core, peace The surrounding shelved in first through hole is additionally provided with LED light bar.

2. a kind of rotary switch according to claim 1, it is characterised in that: the mounting rack is set in the surrounding of first through hole There is an annular accommodation groove, LED light bar and annular accommodation groove shape adaptation, LED light bar are inserted in annular accommodation groove, on the mounting rack It is additionally provided with light guide plate, light guide plate is arranged at circular ring shape, and the light guide plate lid is located in LED light bar.

3. a kind of rotary switch according to claim 1 or 2, it is characterised in that: the mounting rack far from control knob one End is equipped with elastic slice, and the lateral surface of the elastic slice is equipped with grab, and the side wall of the shell is equipped with the first bayonet at corresponding grab, Grab can hook be located at the first bayonet.

4. a kind of rotary switch according to claim 2, it is characterised in that: the light guide plate is close to annular accommodation groove Side is extended with fixture block, and the bottom surface of the annular accommodation groove is equipped with the second bayonet set for fixture block card, and the second bayonet is located at LED The inner side of lamp bar.

5. a kind of rotary switch according to claim 2 or 4, it is characterised in that: be additionally provided with plug wire in the LED light bar Seat, the patching jack are electrically connected with LED light bar, and mounting rack is equipped with the socket plugged for patching jack, socket and annular accommodation groove Connection, the light guide plate are equipped with guide pad in corresponding spigot, and guide pad is inserted in socket.