CN215183682U

CN215183682U - Rotary press control switch

Info

Publication number: CN215183682U
Application number: CN202121122858.7U
Authority: CN
Inventors: 左中禾
Original assignee: Matsuga Precision Products Co ltd Dongguan City
Current assignee: Matsuga Precision Products Co ltd Dongguan City
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-12-14
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses a rotatory control switch that presses, it includes the circuit board, the potentiometre, adjust knob and pressing member, the potentiometre is installed on the circuit board and the electricity is connected in the circuit board, the potentiometre is including being the rotation piece and the mounting that coaxial arrangement arranged, it installs on the mounting to rotate the piece to be the center, be equipped with the electron of a control mode switching on the circuit board, the mounting has an installation cavity, the electron is located in the installation cavity, adjust knob installs on rotating the piece, but install in the installation cavity according to the pressing member with axial sliding, pressing member has the action end and the operation end of mutual disposition, the action end is just to the electron, do the motion that is close to the circuit board according to pressing down the operation end and order about the pressing member, so that the action end pushes away and triggers the electron. The utility model discloses a rotatory press control switch has the advantage of being convenient for control and compact structure.

Description

Rotary press control switch

Technical Field

The utility model relates to a control switch field especially relates to a rotatory press control switch.

Background

With the continuous progress of society, electronic products are updated and iterated quickly. In current home appliances, various switches are used. Wherein, the knob switch is widely used by people due to convenient adjustment and operation. In order to realize the rotating function and the pressing function of the control switch, a potentiometer and a pressing switch are required to be arranged on the switch, so that the internal structure of the existing switch is relatively complex, and the size of the switch structure is large. Therefore, it is necessary to optimize the conventional rotary push control switch.

Therefore, a need exists for a rotary push-button control switch that is easy to control and compact to overcome the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotatory press control switch convenient to control and compact structure.

In order to achieve the above object, the utility model discloses a rotatory press control switch is applicable to on the household electrical appliances. The rotary press control switch comprises a circuit board, a potentiometer, an adjusting knob and a press piece, wherein the potentiometer is arranged on the circuit board and is electrically connected with the circuit board, the potentiometer comprises a rotating part and a fixed part which are coaxially arranged, the rotating part is arranged on the fixed part in a central rotating way, the circuit board is provided with an electronic part for controlling the switching of the working modes, the fixing part is provided with an installation cavity, the electronic part is arranged in the mounting cavity, the adjusting knob is arranged on the rotating part, the pressing part is arranged in the mounting cavity in an axial sliding manner, the pressing piece is provided with an action end and an operation end which are oppositely arranged, the action end is aligned with the electronic piece, the pressing piece is driven to move close to the circuit board by pressing down the operation end, so that the operation end pushes and triggers the electronic piece.

Preferably, the utility model discloses a rotatory control switch that presses still includes an installed part, the first end of installed part install in the mounting, but the pressing part be axial movably install in the second end of installed part, the pressing part is relative the installed part has one at least and keeps away from circuit board initial position and one top push away and trigger the action position of electron piece, the pressing part with be equipped with an elastic component between the installed part, the elastic component has constantly and orders about the pressing part moves extremely the trend of action position.

Preferably, the adjusting knob has an assembly cavity, the mounting part is arranged in the assembly cavity, one of the adjusting knob and the rotating part is provided with a first clamping hook, the other of the adjusting knob and the rotating part is provided with a first clamping groove, and the first clamping hook is clamped in the first clamping groove.

Preferably, one of the adjusting knob and the rotating member is provided with a first protruding strip arranged along the axial direction, the other of the adjusting knob and the rotating member is provided with a first butt groove, the first protruding strip is inserted into the first butt groove, and an annular groove structure is formed at one end of the adjusting knob, which is close to the circuit board, along the circumferential direction.

Preferably, one of the first end of the mounting member and the fixing member is provided with a second hook, the other of the first end of the mounting member and the fixing member is provided with a second slot, and the second hook is clamped in the second slot.

Preferably, one of the first end of the mounting member and the fixing member is provided with a second protruding strip arranged along the axial direction, the other one of the first end of the mounting member and the fixing member is provided with a second butt joint groove, and the second protruding strip is inserted into the second butt joint groove.

Preferably, the second end of installed part has one and is the open chamber of bearing of arranging, the installed part down bear the protruding third trip that stretches in the chamber, the activity through-hole has been seted up on the operation end of pressing piece, the third trip passes activity through-hole and card are in on the operation end of pressing piece, the protruding direction sand grip that has many edges axial arrangement of protruding the stretching on the lateral wall of bearing the chamber, first direction breach has been seted up to the week side of the operation end of pressing piece, direction sand grip card is gone into in the first direction breach.

Preferably, the mounting member protrudes into the bearing cavity to form a mounting post, an operating end of the pressing member is provided with a mounting slot, and the elastic member is sleeved on the mounting post and is disposed in the mounting slot.

Preferably, the utility model discloses a rotatory press control switch still include one install in the digital display device of the operation end of pressing the piece, digital display device is including luminous PCB board, light guide seat and transparent protective housing, luminous PCB board with light guide seat respectively install in operation end is last and locate bear in the chamber, luminous PCB board with circuit board electricity is connected, luminous PCB board is aimed at the video picture window that sets up on the light guide seat, second direction breach has been seted up to light guide seat's week side, direction sand grip card is gone into in the second direction breach, transparent protection cap is in on the light guide seat.

Preferably, the operating end of the pressing member protrudes with a plurality of bearing protrusions, the plurality of bearing protrusions enclose a bearing platform, the operating end of the pressing member is provided with at least one penetrating through hole communicated with the mounting cavity, the penetrating through hole is opposite to the bearing platform, and the light-emitting PCB is mounted on the bearing platform.

Compared with the prior art, the utility model discloses a rotatory control switch that presses includes circuit board, potentiometre, adjust knob and pressing member. The potentiometer is arranged on the circuit board and is electrically connected with the circuit board. The potentiometer comprises a rotating part and a fixed part which are coaxially arranged. The rotating part is arranged on the fixed part in a central rotating way. The circuit board is provided with an electronic part for controlling the switching of the working modes, the fixing part is provided with an installation cavity, and the electronic part is arranged in the installation cavity. The adjusting knob is arranged on the rotating piece, and the pressing piece is arranged in the mounting cavity in an axial sliding mode. The pressing piece is provided with an action end and an operation end which are oppositely arranged. The action end is aligned with the electronic part, and the pressing operation end is pressed to drive the pressing part seat to move close to the circuit board, so that the action end pushes and triggers the electronic part, and the electronic part controls the switching of the working mode. The electronic part is arranged in the installation cavity, the pressing part is arranged in the installation cavity in an axial sliding mode, the action end can be driven to push and touch the electronic part by pressing the operation end, the switching of the working modes is controlled more directly and conveniently, and the structure is simplified. And the pressing piece is arranged in the mounting cavity, so that the structure of the rotary pressing control switch is optimized, and the structure of the rotary pressing control switch is more compact. After the working mode is controlled by the electronic part to be switched, the working strength of the current working mode can be adjusted by rotating the adjusting knob.

Drawings

Fig. 1 is a schematic perspective view of a liquid cooling and heating apparatus according to the present invention.

Fig. 2 is a schematic perspective view of the rotary push control switch of the present invention.

Fig. 3 is an exploded view of the rotary push control switch shown in fig. 2.

Fig. 4 is a sectional view of the three-dimensional structure taken along line a-a of fig. 3.

Fig. 5 is an exploded view of the adjustment knob, the potentiometer, the circuit board and the mounting member of fig. 3 hidden.

Fig. 6 is a schematic perspective view of the pressing member of the present invention.

Fig. 7 is a perspective view of the pressing member shown in fig. 6 at another angle.

Fig. 8 is a perspective view of the rotary push switch shown in fig. 2 with the push unit and the digital display device hidden.

Fig. 9 is a sectional view of the three-dimensional structure taken along the line B-B in fig. 8.

Fig. 10 is a schematic perspective view of the mounting member of the present invention.

Fig. 11 is a schematic perspective view of the adjusting knob of the present invention.

Fig. 12 is a schematic perspective view of the circuit board and the potentiometer thereon according to the present invention.

Fig. 13 is a schematic perspective view of the circuit board and the potentiometer thereon at another angle according to the present invention.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

As shown in fig. 1, 2, 3, 12 and 13, the rotary push control switch 100 of the present invention includes a circuit board 10, a potentiometer 20, an adjustment knob 30 and a push member 40. The potentiometer 20 is mounted on the circuit board 10 and electrically connected to the circuit board 10. The potentiometer 20 may be of any conventional structure, but is not limited thereto. The potentiometer 20 includes a rotating member 21 and a fixed member 22 coaxially arranged. The rotating member 21 is mounted to the fixed member 22 to be rotatable about the center. The circuit board 10 is provided with an electronic component 11 for controlling the switching of the operation mode, the fixing member 22 has a mounting cavity 221, and the electronic component 11 is disposed in the mounting cavity 221. The adjusting knob 30 is mounted on the rotating member 21, and the pressing member 40 is axially slidably mounted in the mounting cavity 221. The pressing member 40 has an actuating end 41 and an operating end 42 arranged opposite to each other. The action end 41 faces the electronic component 11, and the pressing end 42 is pressed to drive the pressing member 40 to move close to the circuit board 10, so that the action end 41 pushes the electronic component 11, and the electronic component 11 controls the switching of the working mode.

The electronic component 11 is disposed in the mounting cavity 221, and the pressing member 40 is axially slidably mounted in the mounting cavity 221, and the pressing operation end 42 can drive the action end 41 to push and trigger the electronic component 11, so as to more directly and conveniently control the switching of the working modes, thereby facilitating the simplification of the structure. The pressing member 40 is disposed in the mounting cavity 221, so that the structure of the rotary pressing control switch 100 is optimized, and the structure of the rotary pressing control switch 100 is more compact. After the electronic part 11 controls the working mode to switch, the working intensity in the current working mode can be adjusted by rotating the adjusting knob 30. For example, the electronic component 11 is a circuit switch, but is not limited thereto.

As shown in fig. 2 to 4, the rotary push-button control switch 100 of the present invention further includes a mounting member 50. A first end of the mounting member 50 is mounted to the fixture 22. The pressing member 40 is axially movably mounted to the second end of the mounting member 50. The pressing member 40 has at least an initial position away from the circuit board 10 and an actuating position pushing the triggering electronic element 11 relative to the mounting member 50. An elastic member 51 is disposed between the pressing member 40 and the mounting member 50. The elastic member 51 has a constant tendency to urge the pressing member 40 to the actuating position. The mounting member 50 is provided to carry the pressing member 40, and facilitates the installation of the pressing member 40. The pressed pressing member 40 can be automatically returned to the operating position by the elastic member 51.

As shown in fig. 4, 9, 11, 12 and 13, the adjustment knob 30 has a fitting cavity 31, and the mounting member 50 is provided in the fitting cavity 31. In this embodiment, the adjusting knob 30 is provided with a first hook 32, the rotating member 21 is provided with a first slot 211, and the first hook 32 is clamped in the first slot 211. After the first hook 32 is snapped into the first engaging groove 211, the adjusting knob 30 and the rotating member 21 are securely and firmly assembled together. Of course, the first hook 32 may be disposed on the rotating member 21, and the first engaging groove 211 may be correspondingly disposed on the adjusting knob 30. Further, the adjusting knob 30 is provided with a first protruding strip 33 arranged along the axis, and the rotating member 21 is provided with a first butt groove 212. The first protruding strip 33 is inserted into the first butt groove 212, and at this time, the adjusting knob 30 and the rotating member 21 cannot rotate relatively, so as to avoid the situation that the adjusting knob 30 shakes.

Preferably, the extending directions of the first engaging groove 211 and the first docking groove 212 are opposite, that is, the openings of the first engaging groove 211 and the first docking groove 212 are respectively located at two ends of the rotating member 21, but not limited thereto. Such an arrangement facilitates the first hook 32 to reliably hook the rotating member 21 while facilitating the insertion of the first protruding strip 33. In order to facilitate grasping the adjustment knob 30 for rotation, the adjustment knob 30 is provided with a relief structure on an outer side surface thereof, but is not limited thereto. Further, the adjusting knob 30 is provided with a first ring structure 34 extending along the axis, and the first protruding strip 33 is provided on the inner side surface of the first ring structure 34. The first ring structure 34 is spaced from the first catch 32 and is arranged in a circle about the central axis of the adjustment knob 30. The provision of the first tab structure 34 facilitates the formation of the first rib 33. An end of the adjusting knob 30 adjacent to the circuit board 10 is formed with an annular groove structure 35 along the circumferential direction. The annular groove structure 35 is provided to block external splash water from directly entering the circuit board 10.

As shown in fig. 3, 4, 8, 9, 10, 12 and 13, in the present embodiment, the mounting member 50 is disposed in a shaft structure with a larger end and a smaller end, and the smaller end of the mounting member 50 is mounted on the fixing member 22, but not limited thereto. The first end (small end) of the mounting member 50 is provided with a second hook 52, the fixing member 22 is provided with a second engaging groove 222 therein, and the second hook 52 is engaged in the second engaging groove 222, so that the mounting member 50 and the fixing member 22 are reliably and firmly mounted together. Of course, the second hook 52 can be disposed on the fixing member 22, and the second slot 222 can be correspondingly disposed on the mounting member 50.

Further, a second protruding strip 223 is arranged in the fixing member 22 in the axial direction, a second butt-joint groove 53 is formed in the first end of the mounting member 50, and the second protruding strip 223 is inserted into the second butt-joint groove 53, so that the mounting member 50 and the fixing member 22 cannot rotate relatively, and the mounting stability of the mounting member 50 and the fixing member 22 is improved. The first end of the mounting member 50 is provided with a second ring structure 54 extending along the axis, and the second docking slot 53 is provided on the outer side of the second ring structure 54. The second ring structure 54 is spaced from the second hook 52 and is arranged in a circle about the central axis of the mount 50. The provision of the second ring structure 54 facilitates the formation of the second docking slot 53.

As shown in fig. 3 to 9, the actuating end 41 of the pressing member 40 is a column structure, and the operating end 42 is a platform structure, but not limited thereto. The second (large) end of the mounting member 50 has a load bearing cavity 55. The mounting member 50 projects into the bearing chamber 55 with a third hook 56. The operation end 42 of the pressing member 40 is opened with a movable through hole 43, and the third hook 56 passes through the movable through hole 43 and is clamped on the operation end 42 of the pressing member 40, so that the pressing member 40 is reliably and firmly mounted on the mounting member 50 and is prevented from being separated from the mounting member 50. The lateral wall of the bearing cavity 55 is protruded with a plurality of guide convex strips 57 arranged along the axial direction, a first guide notch 44 is formed on the peripheral side of the operation 42 of the pressing piece 40, the guide convex strips 57 are clamped into the first guide notch 44, and the pressing piece 40 can move along the guide convex strips 57, so that the movement of the pressing piece 40 is more stable.

As shown in fig. 3, 4, 6, 7 and 9, the mounting member 50 projects into the carrying cavity 55 to form a mounting post 58, the operating end 42 of the pressing member 40 defines a mounting slot 45, and the elastic member 51 is mounted on the mounting post 58 and disposed in the mounting slot 45. The installation post 58 is provided to facilitate the installation of the elastic member 51, so that the elastic member 51 is stably disposed between the installation member 50 and the pressing member 40. For example, the elastic member 51 is a spring, but is not limited thereto.

As shown in fig. 2 to 7, the rotary push switch 100 of the present invention further includes a digital display device 60 mounted on the operation end 42 of the push member 40. The digital display device 60 includes a light emitting PCB board 61, a light guide base 62, and a transparent protective case 63. The light-emitting PCB 61 and the light guide base 62 are respectively mounted on the operation end 42 and disposed in the carrying cavity 55, and the light-emitting PCB 61 is electrically connected to the circuit board 10. The light-emitting PCB 61 aligns with the image window 621 disposed on the light guide base 62, the light guide base 62 has a second guiding notch 622 on the periphery, and the guiding protrusion 57 is inserted into the second guiding notch 622, so that the digital display device 60 mounted on the pressing member 40 can move along the guiding protrusion 57, and the movement of the pressing member 40 is more stable. The transparent protective shell 63 covers the light guide seat 62, at least part of the transparent protective shell 63 is transparent, the numerical value of the display window 621 of the light guide seat 62 can be observed through the transparent part, and the transparent protective shell 63 can protect the light guide seat 62 and the light-emitting PCB 61 and prevent direct invasion of water and dust. The light-emitting PCB 61 and the light guide base 62 may be formed by conventional structures, and thus are not described herein. Preferably, the light guide base 62 and the operation end 42 are fixedly connected together by screws, and the light emitting PCB 61 is disposed between the operation end 42 and the light guide base 62.

As shown in fig. 5 to 7, the operating end 42 of the pressing member 40 protrudes with a plurality of bearing protrusions 46, the plurality of bearing protrusions 46 enclose a bearing platform 47, the operating end 42 of the pressing member 40 is provided with at least one penetrating through hole 48 communicated with the mounting cavity 221, the penetrating through hole 48 faces the bearing platform 47, and the light-emitting PCB 61 is mounted on the bearing platform 47. The supporting platform 47 is disposed to facilitate heat dissipation of the light-emitting PCB 61, and the through hole 48 is disposed to facilitate the insertion of an electrical wire.

In a preferred embodiment of the present invention, as shown in fig. 1, a rotary push control switch 100 is used for home appliances. Preferably, the rotary push type control switch 100 is used in the liquid cooling and heating apparatus 1000. The electronic part 11 controls the cooling or heating mode of operation and the adjusting knob 30 controls the cooling or heating power. Of course, the rotary-push control switch 100 can be used in other home appliances as needed, and is not limited thereto. The circuit board 10 is electrically connected to a cooling and heating module of the liquid cooling and heating apparatus 1000.

The working principle of the rotary push-button control switch 100 of the present invention is explained below: the utility model discloses a rotatory control switch 100 that presses is applied to when cold and hot treatment facility 1000 of liquid goes up, if will heat liquid, through rotating adjust knob 30, adjust knob 30 drives and rotates piece 21 and rotates, can adjust the size of heating power, and the temperature of heating can be observed on digital display device 60 and obtain. If the liquid is to be cooled, the pressing member 40 moves close to the circuit board 10 by pressing the digital display device 60, the actuating end 41 of the pressing member 40 pushes the triggering electronic element 11, so that the original heating mode is switched to the freezing mode, and the adjusting knob 30 is rotated to drive the rotating element 21 to rotate, so that the freezing power is adjusted, and the freezing temperature can be observed on the digital display device 60.

The above disclosure is only a preferred embodiment of the present invention, and the scope of the claims of the present invention should not be limited thereby, and all the equivalent changes made in the claims of the present invention are intended to be covered by the present invention.

Claims

1. A rotary pressing control switch is suitable for household appliances and is characterized by comprising a circuit board, a potentiometer, an adjusting knob and a pressing piece, wherein the potentiometer is installed on the circuit board and is electrically connected with the circuit board, the potentiometer comprises a rotating piece and a fixing piece which are coaxially installed and arranged, the rotating piece is installed on the fixing piece in a rotating mode in the center, an electronic piece for controlling the switching of working modes is arranged on the circuit board, the fixing piece is provided with an installation cavity, the electronic piece is arranged in the installation cavity, the adjusting knob is installed on the rotating piece, the pressing piece is installed in the installation cavity in an axially sliding mode, the pressing piece is provided with an action end and an operation end which are arranged oppositely, the action end is right opposite to the electronic piece, and the pressing piece is driven to move close to the circuit board by pressing down the operation end, so that the action end pushes and triggers the electronic part.

2. The rotary-push control switch according to claim 1, further comprising a mounting member, wherein a first end of the mounting member is mounted to the fixing member, the pushing member is axially movably mounted to a second end of the mounting member, the pushing member has at least an initial position away from the circuit board and an actuating position for pushing the electronic member, and an elastic member is disposed between the pushing member and the mounting member, and the elastic member has a tendency to urge the pushing member to the actuating position.

3. The rotary push control switch according to claim 2, wherein the adjusting knob has an assembly cavity, the mounting member is disposed in the assembly cavity, one of the adjusting knob and the rotating member has a first hook, the other of the adjusting knob and the rotating member has a first engaging groove, and the first hook is engaged in the first engaging groove.

4. The rotary push control switch according to claim 3, wherein one of the adjusting knob and the rotating member is provided with a first protruding strip arranged along an axial direction, the other of the adjusting knob and the rotating member is provided with a first butt groove, the first protruding strip is inserted into the first butt groove, and an annular groove structure is formed on the adjusting knob at an end close to the circuit board along a circumferential direction.

5. The rotary-push control switch according to claim 2, wherein a second hook is provided on one of the first end of the mounting member and the fixing member, and a second slot is provided on the other one of the first end of the mounting member and the fixing member, and the second hook is engaged in the second slot.

6. The rotary-push control switch according to claim 5, wherein one of the first end of the mounting member and the fixing member is provided with a second rib arranged in the axial direction, and the other of the first end of the mounting member and the fixing member is provided with a second butt groove into which the second rib is inserted.

7. The rotary push control switch according to claim 2, wherein the second end of the mounting member has a bearing cavity arranged in an open manner, the mounting member protrudes a third hook into the bearing cavity, the operating end of the pressing member has a movable through hole, the third hook passes through the movable through hole and is clamped on the operating end of the pressing member, the side wall of the bearing cavity protrudes a plurality of guide ribs arranged in an axial direction, the peripheral side of the operating end of the pressing member has a first guide notch, and the guide ribs are clamped into the first guide notches.

8. The rotary push control switch according to claim 7, wherein the mounting member projects into the bearing cavity to form a mounting post, the operating end of the push member defines a mounting slot, and the resilient member is fitted over the mounting post and disposed in the mounting slot.

9. The rotary push control switch according to claim 7, further comprising a digital display device installed at the operation end of the push member, wherein the digital display device includes a light-emitting PCB, a light guide seat and a transparent protection shell, the light-emitting PCB and the light guide seat are respectively installed at the operation end and are disposed in the bearing cavity, the light-emitting PCB is electrically connected to the circuit board, the light-emitting PCB is aligned to the display window disposed on the light guide seat, a second guide notch is formed in the periphery of the light guide seat, the guide convex strip is clamped into the second guide notch, and the transparent protection shell is covered on the light guide seat.

10. The rotary push control switch according to claim 9, wherein the operating end of the push member has a plurality of protrusions extending therefrom, the plurality of protrusions defining a supporting platform, the operating end of the push member has at least one through hole communicating with the mounting cavity, the through hole is aligned with the supporting platform, and the light-emitting PCB is mounted on the supporting platform.