Electric kettle convenient to adjust temperature

Abstract

The electric kettle comprises a kettle body, a base, a mechanical temperature device, a heating device and a temperature control device, the temperature device comprises a dial plate with a temperature indicating part and a temperature sensing column, and the electric kettle is characterized in that a connecting seat is further arranged on the kettle body, the dial plate of the temperature device is connected to the outer end of the connecting seat, the temperature sensing column penetrates through the connecting seat and extends into the kettle body, and the temperature control device is arranged on the base. A driving gear ring is arranged at the inner end of the connecting seat, the temperature control device comprises an adjustable temperature controller arranged on the base, a driven gear connected with an adjusting shaft of the adjustable temperature controller and a toothed transmission belt with the two ends connected with the driving gear ring and the driven gear respectively, and the driven gear is driven to rotate through the driving gear ring and the transmission belt when the connecting seat rotates. And the adjusting shaft is driven by the driven gear to rotate synchronously so as to adjust the temperature of the adjustable temperature controller. According to the utility model, the water temperature in the kettle body can be controlled within a set temperature range according to different conditions, the temperature regulation is convenient, and the mechanical temperature regulation and temperature measurement display structure is convenient to install and long in service life.

Description

Technical Field

[0001] The utility model relates to the field of small household appliances, in particular to an electric kettle with convenient temperature adjustment. Background Art

[0002] Electric kettles are commonly used household appliances. Existing electric kettles mainly include a kettle and a base. A heating tube is arranged at the bottom of the kettle to realize electric heating. Traditional electric kettles only have temperature measurement and temperature display functions, and cannot adjust the temperature. However, with the improvement of people's living standards, various types of tea drinks or brewed beverages have gained favor from users. Various types of tea drinks or brewed beverages have special requirements for water temperature, so electric kettles with adjustable temperature have come into being. However, most of the existing adjustable temperature electric kettles have electronic displays and electronic temperature adjustment buttons installed on the kettles. This type of electronic temperature-controlled electric kettle has the problem of short service life of electronic components due to the high temperature when boiling water, and the production cost is also high, so it is difficult to meet the requirements of consumers. A Chinese patent with patent number 201821151424.8 discloses a temperature control display device for an electric kettle, but it still has the following problems: First, there is only a knob to adjust the temperature, and the temperature display is still through the display control circuit. This electronic display control structure requires sealing and heat insulation treatment, resulting in a complex structure. At the same time, the electronic components of the electronic display control are not heat-resistant and have a short service life; second, the temperature is adjusted by the cooperation of a gear set and a temperature adjustment knob. This structure has high requirements on the position. If there is a slight difference in the front and back or the height, the gear cannot be engaged and slips and the temperature cannot be adjusted; third, the overall production cost is high. Summary of the invention

[0003] The purpose of the utility model is to provide an electric kettle which can control the water temperature in the kettle body within a set temperature range according to different situations, and has convenient temperature adjustment, a mechanical temperature adjustment and temperature measurement display structure, is easy to install, has strong temperature resistance, has a long service life, and has a simple structure and low production cost.

[0004] The technical solution of the utility model is achieved in this way:

[0005] The utility model discloses an electric water kettle with convenient temperature adjustment, comprising a kettle body, a base, a mechanical thermometer, a heating device installed in the base, and a temperature control device. The thermometer comprises a dial with a temperature indicating portion and a temperature sensing column. The utility model is characterized in that: the kettle body is also provided with a connecting seat installed on the outer wall of the kettle body, the dial of the thermometer is connected to the outer end of the connecting seat, the temperature sensing column passes through the connecting seat and extends into the kettle body, the inner end of the connecting seat is provided with a driving gear ring, the connecting seat can be rotatably mounted on the dial to form a temperature adjustment knob, the temperature control device comprises an adjustable thermostat installed on the base, a driven gear connected to an adjusting shaft of the adjustable thermostat, a toothed transmission belt with two ends respectively connected to the driving gear ring and the driven gear, and an anti-dry-burning thermostat connected to the heating device circuit, when the connecting seat rotates, the driven gear is driven to rotate by the driving gear ring and the transmission belt, and the adjusting shaft is driven to rotate synchronously by the driven gear to achieve temperature adjustment of the adjustable thermostat, and the connecting seat is also provided with an indication structure that can cooperate with the temperature scale of the temperature indicating portion on the dial to achieve temperature adjustment indication.

[0006] The indication structure may be an indication arrow, or an indication point structure (such as a convex point or a concave point). Of course, it may also be other indication structures, which will not be described in detail here.

[0007] Furthermore, the kettle body is provided with an outer protective cover which can hide and protect the driving gear ring, the transmission belt and the driven gear, and the outer end of the outer protective cover is provided with a revealing opening corresponding to the dial and the connecting seat.

[0008] Furthermore, the connection seat includes a concave dial seat for embedding the above-mentioned dial, the driving gear ring is arranged on the inner end of the dial seat, the temperature sensing column is provided with a locking nut that can reliably position the temperature sensor on the kettle body, and the dial seat is correspondingly provided with a through hole for the temperature sensing column to pass through, and the kettle body corresponding to the installation position of the connection seat is also provided with a concave cavity for accommodating and positioning a part of the inner end of the connection seat. The bottom of the concave cavity is provided with a through hole for the temperature sensing column to pass through. Furthermore, a sealing ring is provided between the through hole and the temperature sensing column, and the sealing ring has the function of fixing the temperature sensing column so that the temperature sensor does not rotate with the connection seat. It is also possible that a dial positioning seat is provided in the concave cavity and can be loosely mounted in the driving gear ring. The bottom of the concave cavity and the dial positioning seat are both provided with through holes for the temperature sensing column to pass through. The temperature sensing column of the thermometer passes through the dial positioning seat and the through holes in the bottom of the concave cavity and extends into the inner cavity of the kettle body. The dial is reliably positioned on the dial positioning seat without rotating with the connecting seat through the cooperation of a locking nut mounted on the temperature sensing column from the kettle body and the dial positioning seat.

[0009] Furthermore, the transmission belt does not contact the kettle body.

[0010] In order to make the utility model more convenient for boiling water and brewing tea, a tea brewing pot which can be installed and removed is also provided on the upper part of the pot body.

[0011] The advantages of the utility model compared with the prior art are:

[0012] 1. The utility model directly sets the connecting seat as a temperature adjustment knob, and cleverly uses the temperature scale of the temperature indicating part on the dial to form the temperature adjustment scale, so that the dial and the connecting seat can be used for multiple purposes, and there is no need to set up a temperature adjustment knob and temperature adjustment scale marking separately, which simplifies the overall structure of the utility model and reduces the production cost.

[0013] 2. The utility model utilizes the driving gear ring and the toothed transmission belt on the connecting seat to cooperate with the driven gear to achieve the temperature adjustment of the adjustable thermostat. Since the transmission belt is a soft transmission belt, it is not only simple and convenient to install, but also has lower position requirements than the gear transmission group with all gears. Therefore, the structure is reliable, the temperature adjustment is convenient and accurate, and the service life is long and the performance is stable.

[0014] 3. The temperature measuring and displaying structures in the present invention are all mechanical structures with good temperature resistance and long service life.

[0015] The utility model is further described below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of the first embodiment of the present utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the second embodiment of the present utility model;

[0018] Figure 3 for Figure 1 Schematic diagram of the assembly structure. DETAILED DESCRIPTION

[0019] like Figure 1-Figure 3As shown, the electric water kettle with convenient temperature adjustment of the utility model comprises a kettle body 1, a base 2, a mechanical thermometer 3, a heating device 4 installed in the base 2, and a temperature control device 6. The kettle body is provided with a handle. The thermometer 3 comprises a dial 31 with a temperature indicating portion and a temperature sensing column 32. The kettle body 1 is also provided with a connecting seat 5 installed on the outer wall of the kettle body. The dial 31 of the thermometer 3 is connected to the outer end of the connecting seat 5. The temperature sensing column 32 passes through the connecting seat 5 and extends into the kettle body 1. The inner end of the connecting seat 5 is provided with a driving gear ring 51. The connecting seat 5 can be rotatably mounted on the dial 31 to form a temperature adjustment knob. The temperature control device 6 includes an adjustable thermostat 61 installed on the base 2, a driven gear 62 connected to the adjustment shaft of the adjustable thermostat 61, a toothed transmission belt 63 with two ends respectively connected to the driving gear ring 51 and the driven gear 62, and an anti-dry-burning thermostat connected to the circuit of the heating device 4. When the connecting seat 5 rotates, the driven gear 62 is driven to rotate by the driving gear ring 51 and the transmission belt 63, and the adjustment shaft is driven to rotate synchronously by the driven gear 62 to achieve temperature adjustment of the adjustable thermostat 61. The connecting seat 5 is also provided with an indication structure that can cooperate with the temperature scale of the temperature indication part on the dial 31 to achieve temperature adjustment indication. The indication structure can be various, such as an indication arrow, an indication convex point or concave point structure, a notch structure, etc. The adjustable temperature controller used in this application is a prior art, which is widely used in existing small household appliances (ovens, microwave ovens, etc.), and is also sold online, such as the KSD-208 adjustable thermostat sold by Yueqing Xiahua Electronics Co., Ltd. on the 1688 website, and the adjustable thermostat sold by Zhongshan Huide Thermostat Co., Ltd., etc. The disconnection temperature and characteristic curve of this adjustable thermostat can be set according to the customer's finished product and temperature control matching test. Therefore, its specific structure and principle will not be described in detail here. The anti-dry-burning thermostat is a water-boiling temperature control switch commonly used on existing electric kettles, which mainly plays a role in preventing dry-burning. The heating device is generally a heating plate, or a combination of a water-boiling heating tube and a heat-insulating heating tube.

[0020] In order to achieve good hidden protection for the transmission belt and the driven gear and to make the overall appearance of the electric kettle more beautiful, the kettle body 1 is also provided with an outer protective cover 7 that can hide and protect the driving gear ring 51, the transmission belt 63 and the driven gear 62, and the outer protective cover 7 has corresponding exposure openings at the outer ends of the dial 31 and the connecting seat 5.

[0021] The connecting seat 5 includes a concave dial seat for embedding the dial 31, the driving gear ring 51 is arranged on the inner end of the dial seat, the temperature sensing column 32 is provided with a locking nut that can reliably position the thermometer on the kettle body, and the dial seat is correspondingly provided with a through hole for the temperature sensing column to pass through, and the kettle body 1 is provided with a concave cavity for accommodating and positioning a part of the inner end of the connecting seat 5 at the installation position corresponding to the connecting seat 5. The bottom of the concave cavity is also provided with a through hole for the temperature sensing column to pass through, and a sealing ring is provided between the through hole and the temperature sensing column, and the sealing ring has the function of fixing the temperature sensing column so that the thermometer 3 does not rotate with the connecting seat 5. It is also possible to provide a dial positioning seat in the concave cavity that can be loosely placed in the driving gear ring 51. The outer end of the dial positioning seat generally protrudes slightly outward from the bottom surface of the dial seat. The bottom of the cavity and the dial positioning seat are both provided with through holes for the temperature sensing column to pass through. The temperature sensing column of the thermometer 3 extends through the through holes of the dial positioning seat and the bottom of the cavity and is placed in the inner cavity of the kettle body 1. The dial 31 is reliably positioned on the dial positioning seat and does not rotate with the connecting seat 5 by the cooperation of the locking nut which is mounted on the temperature sensing column from the kettle body 1 and the dial positioning seat. The thread or threaded sleeve on the temperature sensing column cooperates with the locking nut. When the locking nut is rotated on the temperature sensing column for locking, the dial can be pulled inward through the temperature sensing column so that the dial is tightly attached to the outer end of the dial positioning seat. The dial positioning seat can be a positioning boss, preferably formed by an inverted U-shaped spring piece 10 connected to the bottom of the inner cavity at both ends, such as Figure 2 As shown. The top of the U-shaped spring piece is perforated. Of course, other structures are also possible. Further, the transmission belt 63 does not contact the kettle body 1.

[0022] In order to make the utility model more convenient for boiling water and brewing tea, a tea brewing pot 8 that can be installed and removed is also provided on the top of the pot body 1. The utility model also includes a power socket, and a power coupler that can be matched and sleeved is provided on the power socket and the base.

[0023] The utility model combines a mechanical thermometer and an adjustable temperature control device, which are connected by a transmission belt. When adjusting the temperature, the connection seat can be rotated, and the temperature scale on the dial can be used to adjust the temperature to the required temperature. The temperature scale on the dial can be used as a temperature indication scale when the connection seat is rotated to adjust the temperature, and can also be used as a temperature scale display for the thermometer itself to measure the water temperature in the kettle. The temperature indication part on the dial has a scale and a pointer indicating the temperature. For example, the temperature on the dial ranges from 0 to 100 degrees. When the connector rotates 15 degrees from 0 to 20 degrees, the connector rotates 15 degrees clockwise, and the driven gear is driven by the transmission belt to rotate 15 degrees synchronously. At the same time, the driven gear drives the adjustment shaft of the adjustable thermostat to rotate 15 degrees, and the temperature value of the adjustable thermostat is set to 20 degrees. If you want to adjust it to 80 degrees, then the connector rotates 60 degrees clockwise, and the driven gear is driven by the transmission belt to rotate 60 degrees synchronously. At the same time, the driven gear drives the adjustment shaft of the adjustable thermostat to rotate 60 degrees, and the temperature value of the adjustable thermostat is set to 80 degrees. And so on, the temperature is adjusted in this way. The size of the temperature adjustment knob and the driven gear in this application are proportional, and the rotation distance is also proportional.

[0024] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0025] Although the utility model is described with reference to specific embodiments, such description is not intended to limit the utility model. With reference to the description of the utility model, other changes of the disclosed embodiments are predictable to those skilled in the art, and such changes should fall within the scope defined by the claims.

Claims

1. An electric kettle with convenient temperature adjustment, comprising a kettle body (1), a base (2), a mechanical temperature controller (3), a heating device (4) installed in the base (2), and a temperature control device (6), wherein the temperature controller (3) comprises a dial (31) with a temperature indicating portion and a temperature sensing column (32), and is characterized in that: The kettle body (1) is also provided with a connecting seat (5) mounted on the outer wall of the kettle body, the dial (31) of the thermometer (3) is connected to the outer end of the connecting seat (5), the temperature sensing column (32) passes through the connecting seat (5) and extends into the kettle body (1), the inner end of the connecting seat (5) is provided with a driving gear ring (51), the connecting seat (5) can be rotatably mounted on the dial (31) to form a temperature adjustment knob, the temperature control device (6) comprises an adjustable temperature controller (61) mounted on the base (2), a driven gear (61) connected to the adjustment shaft of the adjustable temperature controller (61), and a driven gear (62) connected to the adjustment shaft of the adjustable temperature controller (61). 62), a toothed transmission belt (63) with two ends respectively connected to the driving gear ring (51) and the driven gear (62) and an anti-dry-burning thermostat connected to the circuit of the heating device (4); when the connecting seat (5) rotates, the driven gear (62) is driven to rotate by the driving gear ring (51) and the transmission belt (63), and the adjustment shaft is driven to rotate synchronously by the driven gear (62) to achieve temperature adjustment of the adjustable thermostat (61); the connecting seat (5) is also provided with an indication structure that can cooperate with the temperature scale of the temperature indication part on the dial (31) to achieve temperature adjustment indication.

2. The electric kettle with convenient temperature adjustment according to claim 1, characterized in that: The kettle body (1) is also provided with an outer protective cover (7) capable of concealing and protecting the driving gear ring (51), the transmission belt (63) and the driven gear (62), and the outer protective cover (7) is provided with a revealing opening corresponding to the outer end of the dial (31) and the connecting seat (5).

3. The electric kettle with convenient temperature adjustment according to claim 2, characterized in that: The kettle body (1) is provided with a through hole for the temperature sensing column (32) to pass through, and a sealing ring is provided between the through hole and the temperature sensing column (32).

4. The electric kettle with convenient temperature adjustment according to claim 1, 2 or 3, characterized in that: A teapot (8) that can be installed and removed is also provided above the pot body (1).

5. The electric kettle with convenient temperature adjustment according to claim 1, characterized in that: The indicating structure is an indicating arrow or an indicating point structure.

6. The electric kettle with convenient temperature adjustment according to claim 1, characterized in that: The connecting seat (5) comprises an inner concave dial seat for embedding the dial (31), the driving gear ring (51) is arranged on the inner end of the dial seat, the temperature sensing column (32) is provided with a locking nut that enables the temperature sensor to be reliably positioned on the kettle body, and the dial seat is correspondingly provided with a through hole for the temperature sensing column to pass through, and a concave cavity for accommodating and positioning a part of the inner end of the connecting seat (5) is also provided on the kettle body (1) at the installation position of the connecting seat (5) on the kettle body.

7. The electric kettle with convenient temperature adjustment according to claim 6, characterized in that: The bottom of the cavity is also provided with a through hole for the temperature sensing column to pass through, and a sealing ring is provided between the through hole and the temperature sensing column, and the sealing ring has the function of fixing the temperature sensing column so that the temperature device (3) does not rotate with the connecting seat (5).

8. The electric kettle with convenient temperature adjustment according to claim 6, characterized in that: The concave cavity is provided with a dial positioning seat which can be loosely placed in the driving gear ring (51); the bottom of the concave cavity and the dial positioning seat are both provided with through holes for the temperature sensing column to pass through; the temperature sensing column of the thermometer (3) passes through the dial positioning seat and the through holes in the bottom of the concave cavity and extends into the inner cavity of the kettle body (1); and the dial (31) is reliably positioned on the dial positioning seat by the cooperation of a locking nut which is sleeved on the temperature sensing column from the kettle body (1) and the dial positioning seat without rotating with the connecting seat (5).

9. The electric kettle with convenient temperature adjustment according to claim 1 or 2, characterized in that: The transmission belt (63) does not contact the kettle body (1).

10. The electric kettle with convenient temperature adjustment according to claim 1, characterized in that: It also comprises a power socket (9), and a coupler capable of matching and sleeve-connecting with the base (2) is provided on the power socket (9) and the base (2) to realize circuit connection.

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