CN221040915U

CN221040915U - Rotary switch with temperature controller

Info

Publication number: CN221040915U
Application number: CN202322683893.1U
Authority: CN
Inventors: 朱洲阳; 邱基振
Original assignee: Foshan Jiulong Machine Co ltd
Current assignee: Foshan Jiulong Machine Co ltd
Priority date: 2023-10-08
Filing date: 2023-10-08
Publication date: 2024-05-28
Anticipated expiration: 2033-10-08

Abstract

The application relates to the technical field of temperature control switches, in particular to a rotary switch with a temperature controller, which comprises a base, an adjusting shaft, a fixed contact and a movable reed, wherein the adjusting shaft is covered on a base shell and rotatably arranged on the base; the base is provided with a support piece, the support piece is fixedly arranged on the base, one end of the movable reed is riveted with the support piece, the other end of the movable reed is abutted with the fixed contact, and the movable reed has a certain elastic stroke; an adjusting piece is arranged on the adjusting shaft, and one end of the adjusting piece is in butt joint with the movable reed; one end key of the adjusting shaft is connected with a temperature control piece, the temperature control piece is provided with a temperature adjusting shaft, and the temperature adjusting shaft is connected with the adjusting shaft key. By adopting the scheme, the movable reed and the supporting piece are connected through riveting, the structure is reliable, the flow guide performance is better, the heat generation is difficult, the problems that the connection between the contact and the supporting piece of the existing rotary switch is not tight, the connection between the contact and the supporting piece is easy to heat and fuse, and the service life of the rotary switch is lower can be solved.

Description

Rotary switch with temperature controller

Technical Field

The application relates to the technical field of temperature control switches, in particular to a rotary switch with a temperature controller.

Background

A rotary switch is a device for selecting an operating mode or gear. It is usually located on the control panel of ovens, washing machines, air conditioners, induction cookers, sound systems, electric fans and car tuning tables, with one rotary switch controlling the different gear positions.

The rotary switch is generally provided with a plurality of scales, and when the rotary switch is applied to an electric appliance such as an oven, the rotary switch can represent different oven operation modes or gears; for example, common gear positions may include baking, breading, biscuits, barbecue, and the like; the user can select a desired gear through the rotary switch, and then the oven can perform corresponding operation according to the setting of the gear.

In selecting a gear, a user needs to refer to a manual or a logo of the oven to know the operation mode or the temperature range represented by each gear; different gear positions can have different temperature and time settings so as to adapt to cooking requirements of different foods; after the contact of the existing rotary switch is used for a period of time, the contact is not tightly connected with the supporting component, and the connection part of the contact and the supporting component is easy to heat and fuse, so that the service life of the rotary switch is lower.

Disclosure of utility model

In order to solve the problem that the service life of the rotary switch is short due to the fact that the connection between the contact and the supporting part of the conventional rotary switch is not tight, and the connection part of the contact and the supporting part is easy to heat and fuse, the application provides the rotary switch with a temperature controller.

The application provides a rotary switch with a temperature controller, which adopts the following technical scheme:

A rotary switch with a temperature controller comprises a base, an adjusting shaft, a fixed contact and a movable reed, wherein the adjusting shaft is covered on a base shell and rotatably installed on the base; the base is provided with a supporting component, the supporting component is fixedly arranged on the base, one end of the movable reed is riveted with the supporting component, the other end of the movable reed is abutted with the fixed contact, and the movable reed has a certain elastic stroke; an adjusting part is arranged on the adjusting shaft, and one end of the adjusting part is abutted with the movable reed; one end key of the adjusting shaft is connected with a temperature control piece, a temperature adjusting shaft is arranged on the temperature control piece, and the temperature adjusting shaft is connected with the adjusting shaft by a key.

By adopting the technical scheme, the temperature control piece is used for controlling the on-off of the power supply loop of the heating element, so that the heating temperature is kept within a set range. When the gear is required to be regulated, the regulating shaft is rotated, the regulating part on the regulating shaft pushes the movable reed to move, and one end of the movable reed is separated from or contacted with the fixed contact, so that the regulation of the temperature gear is realized; simultaneously, the temperature control shaft of the temperature control piece is synchronously driven to rotate in the rotating process of the adjusting shaft, the temperature range of the temperature control piece is adjusted to enable the temperature range of the temperature control piece to correspond to the temperature corresponding to the current gear, and when the temperature heated by the heating element exceeds the temperature corresponding to the current gear, the power supply loop of the heating element is disconnected by the temperature control piece, so that the temperature control is realized; by adopting the scheme, the movable reed and the supporting part are connected through riveting, the structure is reliable, the flow guide performance is better, the heat is not easy to generate, the problems that the connection between the contact and the supporting part of the existing rotary switch is not tight, the connection between the contact and the supporting part is easy to generate heat and melt, and the service life of the rotary switch is lower can be solved.

Optionally, the adjusting part includes a cam, the cam is protruding to locate the surface of regulating axle, the cam with the regulating axle integrated into one piece, the one end of cam with movable reed butt.

By adopting the technical scheme, the cam can stably push the movable reed to move, so that one end of the movable reed is separated from or contacted with the fixed contact, and the adjustment of the gear is realized.

Optionally, a first elastic component is arranged on the base, one end of the first elastic component is fixedly connected with the movable reed, and the other end of the first elastic component is abutted with the base; the first elastic member has a certain elastic stroke.

By adopting the technical scheme, although the movable reed has a certain elastic travel, after the movable reed moves for a long time, the elasticity of the movable reed is reduced, and the movable reed is kept to work normally by additionally adding the first elastic part; in addition, the contact pressure between the movable reed and the fixed contact can be increased, and the flow guiding performance is improved

Optionally, a moving contact is arranged at one end of the moving spring, the moving contact is riveted with the moving spring, and the moving contact is abutted with the fixed contact.

By adopting the technical scheme, the movable contact can increase the contact area between the movable reed and the fixed contact, and the flow guiding performance is improved.

Optionally, the supporting part includes the incoming line terminal, the one end of incoming line terminal is fixed peg graft on the base, the movable reed keep away from the one end of movable contact with the incoming line terminal is riveted.

Through adopting above-mentioned technical scheme, connect through the riveted mode between incoming wire terminal and the movable contact spring, the structure is reliable, and the water conservancy diversion performance is better, is difficult for generating heat, can improve current rotary switch contact and support part between be connected inseparable, the junction of contact and support part generates heat easily and burns and melt, leads to rotary switch's life lower problem.

Optionally, the movable reed is provided with two at least, the quantity of first elastic component, cam, movable contact, stationary contact and incoming wire terminal is unanimous with the quantity of movable reed respectively.

Through adopting above-mentioned technical scheme, movable reed is provided with two at least, can increase the change combination of multiple terminal, realizes the regulation of different temperature gears, improves the suitability.

Optionally, the temperature control piece comprises a liquid expansion type temperature controller, and one end of the liquid expansion type temperature controller is in transmission connection with the adjusting shaft; the liquid expansion type temperature controller comprises a shell, a moving plate, a static plate, a temperature regulating shaft, a diaphragm capsule and a temperature probe, wherein the moving plate, the static plate and the diaphragm capsule are respectively arranged in the shell, one end of the moving plate is fixedly connected with the shell, the other end of the moving plate is movably connected with the shell, the static plate is fixedly connected with the shell, and the movable end of the moving plate is abutted with the static plate; the temperature adjusting shaft is rotatably arranged on the shell and is in threaded connection with the shell; the bellows is fixedly arranged at one end of the temperature adjusting shaft, one end of the bellows is abutted against the movable end of the moving plate, and the other end of the bellows is fixedly connected with the temperature probe.

By adopting the technical scheme, the diaphragm capsule consists of a flexible film, a rigid container and a liquid filler; one end of the film is contacted with the liquid, and the other end is abutted with the moving plate; when the liquid expands and contracts under heat, the film expands and contracts, so that the moving plate is pushed to move, and the moving plate is separated from the static plate; the temperature probe is used for measuring the temperature and transmitting the temperature to the diaphragm capsule so as to deform the diaphragm capsule; the temperature adjusting shaft is used for adjusting the distance between the diaphragm capsule and the static contact piece, so that the distance that the diaphragm capsule pushes the moving piece to act is adjusted; when the temperature probe detects that the temperature exceeds the temperature of the current gear, the diaphragm capsule deforms, and the film pushes the moving plate to separate from the static plate, so that a power supply loop of the heating element is disconnected; realizing temperature control.

Optionally, a second elastic component is arranged on the base, and the second elastic component is fixedly installed on the base; the second elastic part has a certain elastic stroke; one end of the second elastic component is abutted against the adjusting shaft, a clamping part is arranged on the adjusting shaft, and one end of the second elastic component is abutted against the clamping part.

Through adopting above-mentioned technical scheme, the rotation in the axial direction of regulating shaft is restricted through cooperation clamping part to second elastic component, makes it keep at current gear steadily.

In summary, the application has the following beneficial effects:

1. The movable reed is connected with the support piece through riveting, the structure is reliable, the flow guiding performance is better, the heat is not easy to generate, the problem that the service life of the rotary switch is lower because the connection between the contact and the support piece of the conventional rotary switch is not tight and the connection between the contact and the support piece is easy to generate heat and fuse can be solved.

2. Through setting up temperature control piece and temperature regulating axle, the regulating axle is at pivoted in-process, and the temperature regulating axle of synchronous drive temperature control piece rotates, adjusts the temperature range of temperature control piece, makes its temperature range correspond the temperature that current gear corresponds, and when the temperature that heating element heated exceeded the temperature that current gear corresponds, the power supply loop of heating element is disconnected to temperature control piece to realize temperature control

3. Through setting up the cam, can promote the swing of movable reed steadily, make its one end break away from or contact the stationary contact, realize the regulation of gear.

4. By providing the first elastic member, the movable reed can cope with the situation that the elasticity of the movable reed is reduced after the movable reed swings for a long time; the movable reed can keep normal work by additionally adding the first elastic component; in addition, the contact pressure between the movable reed and the fixed contact can be increased, and the flow guiding performance is improved.

Drawings

Fig. 1 is a schematic diagram showing the overall structure of a rotary switch with a temperature controller according to the present embodiment;

FIG. 2 is an exploded view of a portion of a rotary switch with a thermostat according to the present embodiment;

Fig. 3 is a view showing the structure of a movable reed in a rotary switch with a temperature controller according to the present embodiment.

Reference numerals illustrate:

1. A base; 2. a housing; 3. an adjusting shaft; 31. an adjusting member; 310. a cam; 32. a clamping part; 4. a stationary contact; 5. a movable reed; 51. a moving contact; 6. a support member; 61. a wire inlet terminal; 7. a first elastic member; 8. a liquid expansion temperature controller; 81. a housing; 82. a temperature adjusting shaft; 83. a temperature probe; 9. a second elastic member; 91. a second spring; 92. and a restraining bar.

Detailed Description

The application is described in further detail below with reference to fig. 1-3.

The embodiment of the application discloses a rotary switch with a temperature controller, which is shown in fig. 1 and 2, and comprises a base 1, a shell 2, an adjusting shaft 3, a fixed contact 4 and a movable reed 5 arranged on the base 1; the shell 2 is covered on the base 1, the adjusting shaft 3 is rotatably arranged on the base 1, and one end of the fixed contact 4 is fixedly inserted on the base 1; the base 1 is provided with a supporting part 6, the supporting part 6 is fixedly arranged on the base 1, one end of the movable reed 5 is riveted with the supporting part 6, the other end of the movable reed 5 is abutted with the fixed contact 4, and the movable reed 5 has a certain elastic stroke; an adjusting part 31 is arranged on the adjusting shaft 3, and one end of the adjusting part 31 is abutted with the movable reed 5; one end key of the adjusting shaft 3 is connected with a temperature control piece, a temperature adjusting shaft 82 is arranged on the temperature control piece, and the temperature adjusting shaft 82 is in key connection with the adjusting shaft 3.

Referring to fig. 2 and 3, the supporting member 6 includes a wire inlet terminal 61, one end of the wire inlet terminal 61 is fixedly inserted into the base 1, and one end of the movable spring 5 is riveted with the wire inlet terminal 61, so that a connection structure between the movable spring 5 and the wire inlet terminal 61 is more compact and reliable, the flow guiding performance is improved, and the heat generation of the movable spring 5 is reduced; a movable contact 51 is arranged at one end of the movable contact spring 5, the movable contact 51 is riveted with the movable contact spring 5, and the movable contact 51 is abutted with the fixed contact 4; in the embodiment, the base 1 and the shell 2 are made of plastic materials so as to achieve the function of isolating partial current; the wire-feeding terminal 61, the movable contact spring 5, the movable contact 51 and the fixed contact 4 are all made of metal.

Referring to fig. 2 and 3, the adjusting member 31 includes a cam 310, the cam 310 is protruded on the surface of the adjusting shaft 3, and the cam 310 is integrally formed with the adjusting shaft 3; one end of the cam 310 is abutted against the movable reed 5; the movable reed 5 is provided with at least two pieces, and the number of the first elastic part 7, the cam 310, the movable contact 51, the fixed contact 4 and the wire inlet terminal 61 is respectively consistent with the number of the movable reed 5; in this embodiment, the movable reed 5 is provided with six pieces, so the first elastic member 7, the cam 310, the fixed contact 4 and the wire inlet terminal 61 are respectively provided with six pieces or six pieces, the six movable reeds 5 are integrally formed, and one ends of the six movable reeds 5 are respectively riveted with the six wire inlet terminals 61; six cams 310 are arranged on the adjusting shaft 3 in a protruding mode at intervals and are arranged in a staggered mode.

Referring to fig. 2 and 3, the first elastic member 7 includes a first spring, one end of which is fixedly connected with the movable reed 5, and the other end of which is abutted with the base 1; the first spring is used for providing a reaction force for the movable reed 5 and increasing the contact pressure between the movable reed 5 and the fixed contact 4; when the cam 310 pushes the contact piece to apply thrust, the moving contact 51 on the moving contact piece is separated from the fixed contact 4, and the first spring is stressed and compressed; when the movable reed 5 is not subjected to the force of the cam 310, the movable contact 51 on the movable contact is in contact with the fixed contact 4 under the reaction force of the first spring.

Referring to fig. 2 and 3, a second elastic member 9 is provided on the base 1, and the second elastic member 9 is fixedly installed on the base 1; the second elastic part 9 has a certain elastic travel; one end of the second elastic member 9 abuts against the adjusting shaft 3, a clamping portion 32 is arranged on the adjusting shaft 3, and one end of the second elastic member 9 abuts against the clamping portion 32.

Referring to fig. 2 and 3, specifically, the second elastic member 9 includes a second spring 91 and a limiting rod 92, the second spring 91 is sleeved on the limiting rod 92, one end of the second spring 91 is fixedly inserted on the base 1, and one end of the limiting rod 92 is abutted with the adjusting shaft 3; the engaging portion 32 is specifically a gear groove formed in the adjusting shaft 3, and one end of the restricting lever 92 abuts against the gear groove of the adjusting shaft 3.

Referring to fig. 1 and 2, the temperature control member comprises a liquid expansion temperature controller 8, and one end of the liquid expansion temperature controller 8 is in transmission connection with the adjusting shaft 3; the liquid expansion temperature controller 8 comprises a shell 81, a moving plate (not shown in the figure), a static plate (not shown in the figure), a diaphragm box (not shown in the figure) and a temperature probe 83, wherein the moving plate, the static plate and the diaphragm box are respectively arranged in the shell 81, one end of the moving plate is fixedly connected with the shell 81, the other end of the moving plate is movably connected with the shell 81, the static plate is fixedly connected with the shell 81, and the movable end of the moving plate is abutted with the static plate; the static piece is positioned above the moving piece; the temperature adjusting shaft 82 is rotatably installed on the housing 81 and is in threaded connection with the housing 81; the bellows is fixedly arranged at one end of the temperature adjusting shaft 82, one end of the bellows is abutted against the movable end of the moving plate, and the other end of the bellows is fixedly connected with the temperature probe 83.

In this embodiment, the bellows consists of a flexible membrane, a rigid container and liquid filler; one end of the film is contacted with the liquid, and the other end is abutted with the moving plate; when the liquid expands and contracts under heat, the film expands and contracts, so that the moving plate is pushed to move, and the moving plate is separated from the static plate;

In the initial state, the static piece is abutted with the moving piece, and the heating element is communicated with the power supply return wheel; when the temperature probe 83 detects that the temperature exceeds the temperature of the current gear, the liquid filler expands, and the film pushes the movable plate to separate from the static plate, so that a power supply loop of the heating element is disconnected; realizing temperature control; when the temperature probe 83 detects that the temperature is restored to be within the temperature range of the current gear, the liquid filler contracts, the film withdraws from the thrust exerted by the pushing piece, the moving piece resets to be abutted with the static piece, and accordingly the heating element is communicated with a circuit between the power supply loop.

The working principle of the rotary switch with the temperature controller is as follows:

When the gear is required to be regulated, the regulating shaft 3 is rotated, the cam 310 on the regulating shaft 3 pushes the movable reed 5 to move, the movable contact 51 on the movable reed 5 is separated from the fixed contact 4, and the first spring is stressed and compressed; simultaneously, the adjusting shaft 3 drives the temperature adjusting shaft 82 to rotate synchronously in the rotating process, the temperature adjusting shaft 82 drives the diaphragm capsule to displace, the diaphragm capsule pushes the moving plate, the distance between the diaphragm capsule and the moving plate is changed, and accordingly the range of action temperature is adjusted, the temperature range corresponds to the temperature corresponding to the current gear, when the heating temperature of the heating element exceeds the temperature corresponding to the current gear, liquid filler in the diaphragm capsule expands, and the diaphragm pushes the moving plate to separate from the static plate, so that a power supply loop of the heating element is disconnected.

When the cam 310 of the adjustment shaft 3 does not apply a force to the movable contact spring 5, the movable contact spring 5 is reset by the reaction force of the first spring, and the movable contact 51 of the movable contact spring 5 is in contact with the stationary contact.

The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; 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, and are intended to be included in the scope of the present invention.

Claims

1. A rotary switch with a temperature controller, which is characterized in that: comprises a base (1), a shell (2) covered on the base (1), an adjusting shaft (3) rotatably arranged on the base (1), a fixed contact (4) fixedly inserted on the base (1) and a movable reed (5) arranged on the base (1); the base (1) is provided with a supporting component (6), the supporting component (6) is fixedly arranged on the base (1), one end of the movable reed (5) is riveted with the supporting component (6), the other end of the movable reed is abutted with the fixed contact (4), and the movable reed (5) has a certain elastic stroke; an adjusting part (31) is arranged on the adjusting shaft (3), and one end of the adjusting part (31) is abutted with the movable reed (5); one end key of the adjusting shaft (3) is connected with a temperature control piece, a temperature adjusting shaft (82) is arranged on the temperature control piece, and the temperature adjusting shaft (82) is in key connection with the adjusting shaft (3).

2. The rotary switch with thermostat of claim 1, wherein: the adjusting part (31) comprises a cam (310), the cam (310) is convexly arranged on the surface of the adjusting shaft (3), the cam (310) and the adjusting shaft (3) are integrally formed, and one end of the cam (310) is abutted to the movable reed (5).

3. The rotary switch with thermostat of claim 2, wherein: a first elastic component (7) is arranged on the base (1), one end of the first elastic component (7) is fixedly connected with the movable reed (5), and the other end of the first elastic component is abutted with the base (1); the first elastic member (7) has a certain elastic travel.

4. A rotary switch with a thermostat according to claim 3, characterized in that: one end of the movable contact spring (5) is provided with a movable contact (51), the movable contact (51) is riveted with the movable contact spring (5), and the movable contact (51) is abutted with the fixed contact (4).

5. The rotary switch with thermostat of claim 4, wherein: the supporting component (6) comprises a wire inlet terminal (61), one end of the wire inlet terminal (61) is fixedly inserted into the base (1), and one end of the movable contact spring (5) away from the movable contact (51) is riveted with the wire inlet terminal (61).

6. The rotary switch with thermostat of claim 5, wherein: the movable reed (5) is at least provided with two pieces, and the number of the first elastic component (7), the cam (310), the movable contact (51), the fixed contact (4) and the wire inlet terminal (61) is respectively consistent with the number of the movable reed (5).

7. The rotary switch with thermostat of claim 5, wherein: the temperature control piece comprises a liquid expansion type temperature controller (8), and one end of the liquid expansion type temperature controller (8) is in transmission connection with the adjusting shaft (3); the liquid expansion type temperature controller (8) comprises a shell (81), a moving plate, a static plate, a diaphragm box and a temperature probe (83), wherein the moving plate, the static plate and the diaphragm box are respectively arranged in the shell (81), one end of the moving plate is fixedly connected with the shell (81), the other end of the moving plate is movably connected with the shell (81), the static plate is fixedly connected with the shell (81), and the movable end of the moving plate is abutted with the static plate; the temperature adjusting shaft (82) is rotatably arranged on the shell (81) and is in threaded connection with the shell (81); the diaphragm capsule is fixedly arranged at one end of the temperature adjusting shaft (82), one end of the diaphragm capsule is abutted with the movable end of the moving plate, and the other end of the diaphragm capsule is fixedly connected with the temperature probe (83).

8. The rotary switch with thermostat of claim 1, wherein: the base (1) is provided with a second elastic component (9), and the second elastic component (9) is fixedly arranged on the base (1); the second elastic component (9) has an elastic stroke; one end of the second elastic component (9) is abutted against the adjusting shaft (3), a clamping part (32) is arranged on the adjusting shaft (3), and one end of the second elastic component (9) is abutted against the clamping part (32).