Electric rice cooker with improved temperature detection function

Abstract

An improved temperature detection electric cooker comprises a cooker shell body, an outer cooker, an electric heating disc, a temperature sensor, an inner container, a cooker cover, a sealing piece and a temperature probe, and the cooker shell body comprises a counter bore and a probe hole; a pot cover cavity with an upper opening is formed in the upper end of the inner container. An inserting hole is formed in a bottom plate of the pot cover cavity. The sealing piece comprises a cylinder part and an elastic telescopic cavity, and a fixing hole is formed in the cylinder part; the upper end of the outer pot is connected with the inner cavity, the temperature sensor and the electric heating disc are arranged on a bottom plate of the outer pot, and the temperature sensor penetrates through a movable hole of the electric heating disc to be matched with the bottom of the inner container. The temperature probe is fixed with the probe hole, the bottom plate of the counter bore supports the cylinder part, and the temperature probe is fixed with the fixing hole and extends into the elastic telescopic cavity; a bottom plate of the pot cover cavity is matched and sealed with the elastic telescopic cavity; the temperature probe extends into the pot cover cavity through the insertion hole; the pot cover and the pot cover cavity form a steam cavity. The pot cover and the pot cover base are buckled to form the steam cavity, the temperature probe extends into the steam cavity, and temperature signals detected by the temperature probe are transmitted to the control device accurately and reliably.

Description

Technical Field

[0001] The utility model relates to an electric cooker, in particular to an electric ceramic cooker. Background Art

[0002] The current state of the art, according to Chinese patent 202320278315.7, describes a small electric rice cooker with a ceramic inner pot. The rice cooker comprises an outer pot, a top cover, an inner pot, a temperature probe capable of detecting the temperature of the inner pot, and a heating device capable of heating the inner pot. The heating device and temperature probe are both mounted at the bottom of the outer pot, with the temperature probe located in the center of the heating device. The inner pot is placed within the cavity of the outer pot, and the top cover fits over the opening at the top of the inner pot. The inner pot is a ceramic pot with a recessed portion at the center of its bottom surface, the thickness of which is less than the thickness of the outer periphery of the bottom of the ceramic pot. The top surface of the recessed portion is a temperature-detecting surface, with the temperature probe in elastic contact with the surface. However, the invention has the following problems: it can only detect the temperature of the inner pot bottom, not the steam temperature within. Utility Model Content

[0003] The purpose of the utility model is to provide an improved temperature-detecting electric cooker, which has the characteristic of detecting the steam temperature in an inner pot.

[0004] The utility model is realized as follows: an improved electric cooker with temperature detection, which is special in that it includes a shell body, an outer pot, an electric heating plate, a temperature sensor, an inner pot, a pot cover, a sealing member and a temperature probe.

[0005] The pot shell body includes a countersink provided at the upper end of the inner cavity and a probe hole provided on the bottom plate of the countersink;

[0006] A pot cover cavity is provided at the upper end of the inner pot, and a plug hole is provided on the bottom plate of the pot cover cavity;

[0007] The sealing member comprises a column portion and an elastic telescopic cavity with an upper opening, and a fixing hole is provided on the column portion;

[0008] The upper end of the outer pot is connected to the inner cavity, and the temperature sensor and the electric heating plate are arranged on the bottom plate of the outer pot. The temperature sensor passes through the movable hole of the electric heating plate and cooperates with the bottom of the inner pot; the temperature probe is fixed to the probe hole, the countersunk hole supports the column part, the temperature probe is fixed to the fixing hole and extends into the elastic telescopic cavity; the bottom plate of the pot cover cavity is sealed with the elastic telescopic cavity, and the temperature probe extends into the pot cover cavity through the plug hole; the pot cover and the pot cover cavity constitute a steam cavity.

[0009] Preferably: the pot shell body is provided with two radial grooves;

[0010] The pot cover cavity is provided with two handles, which are engaged with the radial grooves and are detachable.

[0011] Preferably, the pot cover is hollow with a lower opening and a grip is provided on the top.

[0012] Preferably: there is no annular seat plate in the upper end of the pot shell body, and a mounting cavity is provided on the annular seat plate;

[0013] A gusset plate is provided at the upper end of the outer pot;

[0014] It also includes a middle ring, which includes a longitudinal seat and an annular support plate arranged at the lower end, and the longitudinal seat is provided with a through hole.

[0015] The bottom of the temperature probe is fixed to the installation cavity, the middle ring is arranged on the annular seat plate, and the temperature probe passes through the through hole; the buckle plate is buckled with the annular support plate; and the longitudinal seat supports the sealing component.

[0016] Preferably: the gusset plate is provided with a hook plate, and the hook plate is provided with a positioning pin plate;

[0017] The annular support plate is provided with an annular groove, and the bottom plate of the annular groove is provided with a pin plate hole;

[0018] The hook plate is inserted into the annular groove, and the positioning pin plate is inserted into the pin plate hole.

[0019] Preferably, the elastic telescopic cavity includes a lower inverted truncated cone portion and an upper truncated cone portion;

[0020] Or the elastic expansion cavity is wavy.

[0021] The utility model discloses an improved electric cooker with temperature detection. A cooker cover and a cooker cover base are buckled together to form a steam chamber. A temperature probe is inserted into the steam chamber. The temperature signal detected by the temperature probe is transmitted to a control device accurately and reliably. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a cross-sectional view of the present utility model.

[0023] Figure 2 It is a three-dimensional diagram of the present utility model.

[0024] Figure 3 This is one of the three-dimensional exploded views of the present invention.

[0025] Figure 4 This is the second three-dimensional exploded view of the present invention.

[0026] Figure 5 This is the third exploded perspective view of the present invention.

[0027] Figure 6 It is a three-dimensional cross-sectional view of the sealing element of the utility model.

[0028] Figure 7 This is the fourth three-dimensional exploded view of the present invention. DETAILED DESCRIPTION

[0029] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0030] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediary, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0031] like Figure 1 、 Figure 2 、 Figure 3 As shown, an improved electric rice cooker with temperature detection includes a rice cooker body 1, an outer pot 2, an electric heating plate 3, a temperature sensor 4, an inner pot 5, a pot cover 6, a sealing member 7 and a temperature probe 8.

[0032] The pot shell body 1 includes a countersunk hole 11 provided at the upper end of the inner cavity and a probe hole provided on the bottom plate of the countersunk hole 11;

[0033] The upper end of the inner pot 5 is provided with a pot cover cavity 51 with an upper opening, and a plug hole 52 is provided on the bottom plate of the pot cover cavity 51. The diameter of the pot cover cavity is larger than the diameter of the inner pot 5. The inner pot 5 can be made of ceramic material, metal material or glass material.

[0034] The sealing member 7 includes a columnar portion 71 and an elastic expansion cavity 72 with an upper opening. The columnar portion 71 is provided with a fixing hole. The sealing member 7 is made of a silicone material and has good elasticity.

[0035] The upper end of the outer pot 2 is connected to the inner cavity of the pot shell body 1, and the temperature sensor 4 and the electric heating plate 3 are arranged on the bottom plate of the outer pot 2. The temperature sensor 4 passes through the movable hole of the electric heating plate 3 and cooperates with the bottom of the inner pot 5; the temperature probe 8 is fixed to the probe hole, and the bottom plate of the countersunk hole 11 supports the column part 71. The temperature probe 8 is fixed to the fixing hole on the column part 71 and extends into the elastic telescopic cavity 72; the bottom plate of the pot cover cavity 51 cooperates with the elastic telescopic cavity 72 to seal, and the bottom plate of the pot cover cavity 51 keeps the elastic telescopic cavity in a contracted state to prevent steam from overflowing through the plug hole 52; the temperature probe 8 extends into the pot cover cavity 51 through the plug hole 52; the pot cover 6 and the pot cover cavity 51 constitute a steam cavity, and the temperature probe 8 extends into the steam cavity through the plug hole 52.

[0036] The elastic expansion cavity 72 includes a lower inverted truncated cone portion 721 and an upper truncated cone portion 722;

[0037] Or the elastic expansion cavity 72 is wavy.

[0038] The shell body 1 is provided with two radial grooves 12;

[0039] The pot cover cavity 51 is provided with two handles 511 , which are engaged with the radial grooves 12 and are detachable.

[0040] As a further improvement of the present invention: the pot cover 6 is hollow with a lower opening and a grip 61 is provided on the top.

[0041] As a further improvement of the present invention: there is no annular seat plate 13 in the upper end of the pot shell body 1, and a mounting cavity 131 is provided on the annular seat plate 13;

[0042] The upper end of the outer pot 2 is provided with a buckle plate 21;

[0043] The middle ring 9 is annular and includes a longitudinal seat 91 on the upper end surface and an annular support plate 92 at the lower end of the middle ring 9. The longitudinal seat 91 is provided with a through hole, which passes through the middle ring 9.

[0044] The bottom of the temperature probe 8 is fixed to the installation cavity, the middle ring 9 is arranged on the annular seat plate 21, and the inner cavity of the pot shell body above the middle ring 9 is a countersunk hole 11; the temperature probe 8 passes through the through hole on the longitudinal seat 91; the buckle plate 21 is buckled with the annular support plate 92; the longitudinal seat supports the column part 71 of the seal 7 on the 91.

[0045] As a further improvement of the present invention: a hook plate 211 is provided on the gusset plate 21, and a positioning pin plate 212 is provided on the hook plate;

[0046] The annular support plate 92 is provided with an annular groove 921, and the bottom plate of the annular groove 921 is provided with a pin plate hole (not shown in the figure);

[0047] The hook plate 211 is inserted into the annular groove 92 , and the positioning pin plate 212 is inserted into the pin plate hole.

[0048] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the claims and their equivalents.

Claims

1. An improved temperature detection electric cooker, characterized in that: Including the pot shell, outer pot, electric heating plate, temperature sensor, inner pot, pot lid, seal and temperature probe, The pot shell body includes a countersink provided at the upper end of the inner cavity and a probe hole provided on the bottom plate of the countersink; The upper end of the inner pot is provided with a pot cover cavity with an upper opening, and a plug hole is provided on the bottom plate of the pot cover cavity; The sealing member comprises a column portion and an elastic telescopic cavity with an upper opening, and a fixing hole is provided on the column portion; The upper end of the outer pot is connected to the inner cavity, and the temperature sensor and the electric heating plate are arranged on the bottom plate of the outer pot. The temperature sensor passes through the movable hole of the electric heating plate and cooperates with the bottom of the inner pot; the temperature probe is fixed to the probe hole, the bottom plate of the countersunk hole supports the column part, the temperature probe is fixed to the fixing hole and extends into the elastic telescopic cavity; the bottom plate of the pot cover cavity cooperates and seals with the elastic telescopic cavity, and the temperature probe extends into the pot cover cavity through the plug hole; the pot cover and the pot cover cavity constitute a steam cavity.

2. The improved temperature detection electric cooker according to claim 1, characterized in that: The pot shell body is provided with two radial grooves; The pot cover cavity is provided with two handles, which are engaged with the radial grooves and are detachable.

3. The improved temperature detection electric cooker according to claim 1, characterized in that: The pot cover is hollow with a lower opening and a grip is provided on the top.

4. The improved temperature detection electric cooker according to claim 1, characterized in that: There is no annular seat plate in the upper end of the pot shell body, and a mounting cavity is provided on the annular seat plate; A gusset plate is provided at the upper end of the outer pot; It also includes a middle ring, which includes a longitudinal seat and an annular support plate arranged at the lower end, and the longitudinal seat is provided with a through hole. The bottom of the temperature probe is fixed to the installation cavity, the middle ring is arranged on the annular seat plate, and the temperature probe passes through the through hole; the buckle plate is buckled with the annular support plate; and the longitudinal seat supports the sealing component.

5. The improved temperature detection electric cooker according to claim 4, characterized in that: The gusset plate is provided with a hook plate, and the hook plate is provided with a positioning pin plate; The annular support plate is provided with an annular groove, and the bottom plate of the annular groove is provided with a pin plate hole; The hook plate is inserted into the annular groove, and the positioning pin plate is inserted into the pin plate hole.

6. An improved temperature-detecting electric cooker according to claim 1, 2, 3, 4 or 5, characterized in that: The elastic telescopic cavity includes a lower inverted truncated cone portion and an upper truncated cone portion; Or the elastic expansion cavity is wavy.

Images