CN210040062U

CN210040062U - Multi-gear temperature controller and electric oven

Info

Publication number: CN210040062U
Application number: CN201921218694.0U
Authority: CN
Inventors: 肖喜阳; 钟超
Original assignee: Dezhou Deqin Electric Appliance Co Ltd
Current assignee: Guangdong Deqin Electric Appliance Co.,Ltd.
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-02-07
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a multi-gear temperature controller, which comprises an upper pressure plate, an upper reed, a lower reed, a first terminal, a fixed contact piece, a second terminal and a bimetallic strip, wherein the upper pressure plate is provided with an adjusting screw rod, the adjusting screw rod is provided with a limiting piece, and the limiting piece rotates along with the adjusting screw rod; the limiting piece is arranged on the upper pressing plate, the stepping part is arranged on a rotating path of the limiting piece, and the limiting piece touches the stepping part when rotating. The multi-gear temperature controller is provided with the gear-shifting part positioned on the rotating path of the limiting piece, and when the adjusting screw rod rotates, the limiting piece touches the gear-shifting part to have obvious touch feeling, so that the adjustment of the temperature controller is divided into a plurality of grades. The multi-gear temperature controller is provided with a plurality of trigger temperatures, can be used for different functions of the electric oven respectively, has obvious control hand feeling between gear switching, and is convenient for users to accurately regulate and control.

Description

Multi-gear temperature controller and electric oven

Technical Field

The utility model relates to a control by temperature change field, concretely relates to many grades of temperature controller, and use this many grades of temperature controller's electric oven.

Background

The temperature controller is a device for controlling the on-off of an electric element according to the temperature, and is widely used in electric cookers, electric ovens, electric baking trays and other household appliances and other articles for daily use. The main action parts of the temperature controller are a bimetallic strip and a metal reed with elasticity, the bimetallic strip is composed of at least two metals with different thermal expansion coefficients, when the bimetallic strip is heated, because the expansion amplitudes of the metals are different, the bimetallic strip is bent, so that the metal reed is driven to act, a loop is cut off, and the heating part is prevented from being overheated; when the temperature of the heating component is reduced, the bimetallic strip is restored to the original state, and the loop is reconnected.

The traditional electric oven is generally used for functions such as chafing dish or roast meat or a soup cooker alone, and the temperature controller of installing on the traditional electric oven can set up the temperature threshold of an action to the function of electric oven, and the temperature controller of the electric oven of roast function needs higher temperature threshold, and the temperature controller of the electric oven of roast function needs lower temperature threshold, effectively carries out temperature control to the electric oven if the temperature controller of chafing dish function needs higher temperature threshold.

In order to meet the requirements of consumers, the existing electric oven has a new product which integrates multiple functions of chafing dish, barbecue, soup making and the like. The original temperature controller only has one temperature threshold gear and can not meet the requirements of the existing multifunctional electric oven.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide one kind and have more gears adjust, can set up the many grades of temperature controllers of different temperature threshold values as required.

According to a first aspect of the present invention, a multi-gear temperature controller is provided, which comprises an upper pressing plate provided with an adjusting screw, wherein the adjusting screw is provided with a limiting piece, and the limiting piece rotates along with the adjusting screw; the lower end of the adjusting screw is abutted against the upper reed, and the free end of the lower reed is provided with an upper contact; a first terminal connected to the upper spring plate; the fixed contact piece is provided with a lower contact corresponding to the upper contact; the second terminal is connected with the fixed contact piece; the bimetallic strip is formed by superposing two layers of different metals, and one end of the bimetallic strip is linked with the lower reed through an insulating transmission part; the limiting piece is arranged on the upper pressure plate, and the limiting piece is arranged on the upper pressure plate.

The multi-gear temperature controller at least has the following beneficial effects: the stepping part is arranged on the rotating path of the limiting piece, and when the adjusting screw rod rotates, the limiting piece touches the stepping part to have obvious touch feeling, so that the temperature controller is adjusted into multiple grades. The multi-gear temperature controller is provided with a plurality of trigger temperatures, can be used for different functions of the electric oven respectively, has obvious control hand feeling between gear switching, and is convenient for users to accurately regulate and control.

According to the utility model discloses first aspect many grades of temperature controller, the stepping part is elastomeric element, avoids stepping part and spacing piece to take place rigid collision and damage.

According to the utility model discloses first aspect many grades of temperature controller, the metal sheet/wire that the stepping part was buckled many times, metal sheet/wire includes: the first horizontal section is used for being fixed on the upper pressure plate; the low end of the ascending section is connected with the first horizontal section, and the high end of the ascending section is connected with the second horizontal section; the second horizontal section is positioned below the limiting sheet; and the contact section is connected with the second horizontal section, the contact section is bent into an inverted V shape by the metal sheet/metal wire, and the limiting sheet touches the top of the contact section when rotating. The grading component is manufactured by bending the metal sheet/metal wire for multiple times, and has the advantages of simple structure, easy processing and convenient batch production. Preferably, the metal sheet/wire is a stainless steel sheet/wire.

According to the utility model discloses many grades of temperature controller, work as when the stepping part is the sheetmetal, first horizontal segment passes through a plurality of bolt fastening on the top board.

According to the utility model discloses many grades of temperature controller, work as when the stepping part is the wire, first horizontal segment welding is in on the top board.

According to the utility model discloses a many grades of temperature controller, the stepping part includes: the bayonet lock is arranged on the upper pressure plate, is positioned on a rotating path of the limiting sheet and can move up and down; and the pressure spring is arranged between the bayonet lock and the upper pressure plate and applies upward thrust to the bayonet lock. The gear shifting part is formed by matching the clamping pin with the pressure spring, so that the volume of the gear shifting part can be reduced to the minimum, and the arrangement of a plurality of gear shifting parts is facilitated.

According to the utility model discloses first aspect many grades of temperature controller, the bayonet lock top sets up to cambered surface or sphere, avoids stepping part and spacing piece to take place rigid collision and damage.

According to the utility model discloses first aspect many grades of temperature controller, the top board both sides are provided with the installation limit of the type of falling L, the stepping part is V type sheetmetal, the stepping part is installed the perpendicular limit on installation limit, the point portion of stepping part is located on the rotation route of spacing piece.

According to the utility model discloses in the second aspect, an electric oven is provided, the electric oven includes the utility model discloses the first aspect many grades of temperature controller.

Drawings

The invention is further described below with reference to the accompanying drawings and examples.

Fig. 1 is a front view of a first embodiment of the present invention.

Fig. 2 is a perspective view of the first embodiment of the present invention.

Fig. 3 is a schematic structural view of a stepping member in the first embodiment.

Fig. 4 is a schematic view of a second embodiment of the present invention.

Fig. 5 is a schematic view of a third embodiment of the present invention.

Fig. 6 is a schematic view of a fourth embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 2, the present invention preferably provides a first embodiment, a multi-stage temperature controller, comprising an upper press plate 10, an upper spring plate 20, a lower spring plate 30, a first terminal 40, a fixed contact plate 50, a second terminal 60, and a bimetal plate 70, which are sequentially arranged from top to bottom, wherein electrical insulators 90 are respectively arranged between the upper press plate 10 and the upper spring plate 20, between the upper spring plate 20 and the fixed contact plate 50, and between the fixed contact plate 50 and the bimetal plate 70 for separation. The electrical insulator 90 is preferably a ceramic insulator block, but may be other insulators commonly used in the art. The upper pressing plate 10, the upper spring plate 20, the first terminal 40, the fixed contact piece 50, the second terminal 60, the bimetallic strip 70 and one end of the electric insulating piece 90 are provided with through holes, the limiting sleeve 80 which compresses the upper pressing plate 10, the upper spring plate 20, the first terminal 40, the fixed contact piece 50, the second terminal 60, the bimetallic strip 70 and the electric insulating piece 90 is installed by penetrating through the through holes, the electric fittings are compressed and fixed through the limiting sleeve 80, and meanwhile, the multi-gear temperature controller can be conveniently installed at a required position through the through holes.

Be provided with adjusting screw 11 on the top board 10, adjusting screw 11 lower extreme butt is provided with spacing piece 12 on adjusting screw 11 on last reed 20, and spacing piece 12 follows adjusting screw 11 and rotates, is provided with the stopper 13 that is used for restricting spacing piece 12 rotation range on the top board 10.

One end of the upper spring leaf 20 is connected with one end of the lower spring leaf 30, the upper spring leaf 20 and the lower spring leaf 30 are both made of elastic metal sheets, and the free end of the lower spring leaf 30 is provided with an upper contact. The first terminal 40 is connected to the upper spring 20.

The fixed contact piece 50 is arranged below the lower spring piece 30, and the lower contact corresponding to the upper contact is arranged on the fixed contact piece 50. The second terminal 60 is connected to the fixed contact piece 50.

The bimetal strip 70 is formed by overlapping two layers of different metals, and one end of the bimetal strip 70 is linked with the lower spring leaf 30 through the insulating transmission piece 71. Insulating driving medium 71 is the ceramic part, and the upper end and the lower extreme of insulating driving medium 71 set up to the pyramis respectively, and bimetallic strip 70 and lower reed 30 correspond insulating driving medium 71 and have seted up the mounting hole respectively, and the pyramis of insulating driving medium 71 inserts the fastening in the mounting hole, adopts pyramis and mounting hole cooperation to fix, easy to assemble and change insulating driving medium, and can guarantee the smooth transmission of action.

The multi-gear temperature controller of this embodiment further includes a gear 100, the gear 100 is disposed on the upper platen 10 and located on the rotation path of the limiting plate 12, and the limiting plate 12 touches the gear 100 when rotating. Referring to fig. 3, in the present embodiment, the stepping member 100 is a stainless steel sheet bent multiple times, and includes a first horizontal section 101, an ascending section 102, a second horizontal section 103, and a contact section 104. The first horizontal segment 101 is fixed to the upper platen 10 by a plurality of bolts. The lower end of the rising section 102 is connected to the first horizontal section 101, and the upper end of the rising section 102 is connected to the second horizontal section 103. The second horizontal segment 103 is located below the limiting piece 12. The contact section 104 is bent from a metal sheet into an inverted V-shape, and the stopper plate 12 touches the top of the contact section 104 when rotating.

The multi-gear temperature controller of the embodiment is mainly applied to the multifunctional electric oven. For example, in the electric oven integrating the functions of chafing dish and roasting meat, the use process of the multi-gear temperature controller is as follows: when a user uses the barbecue function of the electric oven, the adjusting screw 11 of the multi-gear temperature controller is rotated, the adjusting screw 11 drives the limiting piece 12 to rotate, the adjusting screw 11 stops rotating immediately after the limiting piece 12 touches the stepping part 100, the multi-gear temperature controller is in the first level, the multi-gear temperature controller needs to act when the temperature of the baking tray rises to be close to 100 ℃, the power supply is disconnected, after the temperature of the baking tray falls, the temperature controller is reconnected with the circuit, and the baking tray is disconnected and repeated when the temperature of the baking tray rises to be close to 100 ℃ again, so that the baking tray is protected from being damaged by baking. When a user uses the hot pot function of the electric oven, the adjusting screw rod 11 of the multi-gear temperature controller is rotated, the adjusting screw rod 11 drives the limiting piece 12 to rotate, the limiting piece 12 passes over the grading component 100 to continue rotating until the limiting piece 13 is touched, so that the multi-gear temperature controller is in the second grade, and the multi-gear temperature controller acts when the temperature in the pot is close to 130 ℃, so that the water in the pot is ensured to be in a boiling state for a long time, and the user can eat hot pots conveniently.

Because the many grades of temperature controller of this embodiment is provided with the stepping part that is located spacing piece rotation path, when adjusting screw rotated, spacing piece touched stepping part and had obvious sense of touch to divide into a plurality of grades to temperature controller's regulation, can set up a plurality of trigger temperatures, be used for the different functions of electric oven respectively, and have obvious control between the gear switching and feel, convenience of customers accurately regulates and control.

In addition to the preferred embodiments described above, the present invention provides three other preferred embodiments.

Referring to fig. 4, the utility model provides an embodiment of a many grades of temperature controllers of second kind, including top board 10, last reed and lower reed 30, first terminal 40, fixed contact piece, second terminal, bimetallic strip and stepping part 200, wherein be provided with adjusting screw 11 on the top board 10, be provided with spacing piece 12 on adjusting screw 11, spacing piece 12 is followed adjusting screw 11 and is rotated, is provided with the stopper 13 that is used for restricting spacing piece 12 rotation range on the top board 10. In the present embodiment, the stepping member 200 is a stainless steel wire bent several times, and the lower portion of the stainless steel wire is welded to the upper platen 10, and the position where the stepping member 200 is installed, the bent shape, and the function of the stepping member are the same as those of the stainless steel sheet of the first embodiment. The other structure of the multi-stage temperature controller of this embodiment is substantially the same as that of the first embodiment.

Referring to fig. 5, the utility model provides a third kind of many grades of temperature controller's embodiment, including top board 10, last reed and lower reed 30, first terminal 40, fixed contact, second terminal, bimetallic strip and stepping part 300, top board 10 both sides are provided with the installation limit 14 of the type of falling L, are provided with adjusting screw 11 on the top board 10, are provided with spacing piece 12 on the adjusting screw 11, and spacing piece 12 is followed adjusting screw 11 and is rotated, is provided with the stopper 13 that is used for restricting spacing piece 12 rotation range on the top board 10. In this embodiment, the stepping member 300 is a V-shaped metal plate, the stepping member 300 is installed on the vertical side of the installation edge 14, the tip of the stepping member 300 is located on the rotation path of the limiting plate 12, and when the adjusting screw 11 rotates, the limiting plate 12 touches the tip of the stepping member 300 to generate a touch feeling, so as to divide the gears. The other structure of the multi-stage temperature controller of this embodiment is substantially the same as that of the first embodiment.

Referring to fig. 6, the present invention provides a fourth embodiment of a multi-gear temperature controller, which comprises an upper pressing plate 10, an upper spring plate 20, a lower spring plate 30, a first terminal, a fixed contact plate 50, a second terminal, and a bimetal plate 70, wherein the upper pressing plate 10, the upper spring plate 20, the fixed contact plate 50, and the fixed contact plate 50 and the bimetal plate 70 are compressed by a stop collar 80, and are respectively provided with an electrical insulator 90 for separation. An adjusting screw 11 is arranged on the upper pressure plate 10, a limiting piece 12 is arranged on the adjusting screw 11, the limiting piece 12 rotates along with the adjusting screw 11, a limiting block 13 used for limiting the rotating range of the limiting piece 12 is arranged on the upper pressure plate 10, and a grading component 400 is further arranged on the upper pressure plate 10. In the present embodiment, the stepping member 400 includes a latch 401 mounted on the upper pressure plate 10, and a pressure spring 402 between the upper pressure plate 10 and the latch 401. The latch 401 can move up and down, and the pressure spring 402 applies an upward pushing force to the latch 401, so that the spacing piece 12 rotates to touch the latch 401. Preferably, the top of the locking pin 401 is configured as a cambered surface or a spherical surface, so as to avoid the hard collision between the gear part 400 and the limiting piece 12 and the damage thereof. The volume of the stepped part 400 can be minimized by using the click pin 401 in cooperation with the compression spring 402 to form the stepped part 400.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and the technical effects of the present invention can be achieved by the same means, which all belong to the protection scope of the present invention.

Claims

1. A multi-gear temperature controller comprises

The upper pressure plate is provided with an adjusting screw, the adjusting screw is provided with a limiting piece, and the limiting piece rotates along with the adjusting screw;

the lower end of the adjusting screw is abutted against the upper reed, and the free end of the lower reed is provided with an upper contact;

a first terminal connected to the upper spring plate;

the fixed contact piece is provided with a lower contact corresponding to the upper contact;

the second terminal is connected with the fixed contact piece;

the bimetallic strip is formed by superposing two layers of different metals, and one end of the bimetallic strip is linked with the lower reed through an insulating transmission part;

it is characterized by also comprising:

the stepping component is arranged on the upper pressure plate, the stepping component is arranged on a rotating path of the limiting piece, and the limiting piece touches the stepping component when rotating.

2. The multi-speed temperature controller of claim 1, wherein the stepper member is a resilient member.

3. The multiple stage temperature controller of claim 2, wherein the staging member is a multiple-bent sheet/wire comprising:

the first horizontal section is used for being fixed on the upper pressure plate;

the low end of the ascending section is connected with the first horizontal section, and the high end of the ascending section is connected with the second horizontal section;

the second horizontal section is positioned below the limiting sheet;

and the contact section is connected with the second horizontal section, the contact section is bent into an inverted V shape by the metal sheet/metal wire, and the limiting sheet touches the top of the contact section when rotating.

4. The multi-stage temperature controller according to claim 3, wherein when the stage member is a metal plate, the first horizontal section is fixed to the upper pressure plate by a plurality of bolts.

5. The multi-speed temperature controller of claim 3, wherein the first horizontal segment is welded to the upper platen when the stepping member is a wire.

6. The multi-speed temperature controller of claim 2, wherein the staging component comprises:

the bayonet lock is arranged on the upper pressure plate, is positioned on a rotating path of the limiting sheet and can move up and down;

and the pressure spring is arranged between the bayonet lock and the upper pressure plate and applies upward thrust to the bayonet lock.

7. The multi-gear temperature controller according to claim 6, wherein the top of the bayonet is arranged to be a cambered surface or a spherical surface.

8. The multi-gear temperature controller according to claim 2, wherein reverse L-shaped mounting edges are arranged on two sides of the upper pressure plate, the stepping part is a V-shaped metal sheet, the stepping part is arranged on a vertical edge of the mounting edge, and a tip of the stepping part is positioned on a rotation path of the limiting sheet.

9. An electric grill comprising the multi-stage temperature controller of any one of claims 1 to 8.