CN214700843U - Electric ceramic stove heating device and electric ceramic stove - Google Patents

Abstract

The electric ceramic furnace heating device comprises a heating panel, a heat insulator, a heating body, a fixed shell and an insulating and heat-insulating piece; the heat insulator is assembled at the lower side of the heating panel and is provided with a heat insulation cavity with an opening at the upper side, and the side wall of the heat insulator is provided with an inner terminal channel; the heating body is arranged at the bottom of the heat insulation cavity; the fixed shell is fixed on the lower side of the heating panel and is provided with a shell cavity with an opening at the upper side for accommodating the heat insulator, and the upper part of the side wall of the fixed shell is provided with an outer terminal channel corresponding to the inner terminal channel; the insulating and heat insulating member is installed in the inner terminal passage and the outer terminal passage, a connection passage is provided inside thereof, and the electric terminals of the heating body are installed in the connection passage and extend to the outside of the fixing case. Because the insulating and heat-insulating piece is arranged in the inner terminal channel and the outer terminal channel, the heights of the heat insulator and the fixed shell are not increased, and the thickness of the bottom of the heat insulator does not need to be measured to install the electric terminals, so that the thickness can be thinner, and the thickness of the whole electric ceramic furnace heating device is thinner. This patent still provides the electric pottery stove of using above-mentioned electric pottery stove heating device.

Description

Electric ceramic stove heating device and electric ceramic stove

Technical Field

The utility model relates to an electric pottery stove technical field, concretely relates to electric pottery stove heating device and electric pottery stove.

Background

The electric ceramic stove on the existing market generally comprises a machine shell, a machine core and a panel, wherein the machine core comprises a heating disc and a machine core base, the machine core base comprises a base upper cover, a base side shell, a base bottom cover, a cooling fan, a circuit board and the like, the panel is arranged on the upper side of the heating disc, in operation, the heat generated by a heating body in the heating disc heats the panel, and the panel heats placed articles. The electric ceramic stove has wide application, has the functions of boiling water, frying, roasting, chafing dish, stir-frying, heating milk, cooking soup, stewing slowly and the like, and is very popular with consumers.

The traditional electric ceramic furnace core does not consider the combination of a heating disc and a panel, so that the structure of the core and a shell is complex, the shell needs to be provided with a bottom plate with a lower side capable of opening a shell cavity, the panel needs to be fixedly arranged on an installation step at the upper end of the shell cavity, the core is arranged from the shell cavity to the upper part, the upper end of the heating disc is pressed against the lower side of the panel through an elastic supporting piece between a base of the core and the heating disc, and the structure scheme is complex in structure and troublesome to install; and the casing needs to be designed into an upper opening and a lower opening, and a connecting structure is also needed to be designed between the bottom plate and the lower end of the casing, so that the structure of the casing is complex, for example, the bottom opening is designed on the casing of the ceramic electric ceramic furnace, and the manufacturing cost and the process are high.

With the improvement of the process, the electric ceramic furnace core and the electric ceramic furnace disclosed in chinese patent document CN109539338A, the connecting part is arranged at the upper end of the heating plate shell, and the panel is connected with the connecting part through the bonding material, so that the panel can be directly fixed on the heating plate, compared with the existing mode of connecting the heating plate and the panel by adopting the elastic support member, on one hand, the structure and the size of the electric ceramic furnace core are simplified, and the whole electric ceramic furnace core is more compact; because the panel snap-on is on the dish that generates heat, when assembling to electric ceramic stove, need not fix the panel on the casing installation step of electric ceramic stove earlier, consequently can adopt the mode of installing downwards from electric ceramic stove casing top, realize the fixed of core through the cooperation of panel or connecting portion and installation step, not only simplify the installation procedure, the bottom plate that can open need not design in electric ceramic stove chassis bottom moreover to reduction in production cost. However, the electric terminal of the electric ceramic stove movement is arranged at the bottom, and the electric terminal needs a heat insulation piece to be fixed at the bottom of the machine shell, so that the thickness of the bottom of the heat insulation body is large, the thickness of the whole movement is large, and the light and thin design is difficult to realize.

Disclosure of Invention

An object of the utility model is to overcome the not enough of prior art, provide a frivolous electric ceramic stove heating device, the utility model discloses a technical scheme as follows:

electric ceramic stove heating device includes:

a heating panel;

the heat insulator is assembled at the lower side of the heating panel and is provided with a heat insulation cavity with an opening at the upper side, and an inner terminal channel is arranged on the side wall of the heat insulator;

the heating body is arranged at the bottom of the heat insulation cavity;

the fixed shell is fixed on the lower side of the heating panel and is provided with a shell cavity with an opening at the upper side for accommodating the heat insulator, and the upper part of the side wall of the fixed shell is provided with an outer terminal channel corresponding to the inner terminal channel;

and the insulating and heat insulating part is arranged in the inner terminal channel and the outer terminal channel, a connecting channel is arranged in the insulating and heat insulating part, and the electric terminals of the heating body are arranged in the connecting channel.

Compared with the prior art, because the inner terminal channel and the outer terminal channel radially extend and are arranged on the lateral parts, and the insulating and heat-insulating piece is arranged in the inner terminal channel and the outer terminal channel, under the condition that the butt-joint electric terminal is required to insulate heat and insulate, the heights of the heat insulator and the fixed shell are not increased, and the thickness of the bottom of the heat insulator does not need to be measured to install the electric terminal, so that the thickness can be thinner, and the thickness of the whole electric ceramic furnace heating device is thinner.

Preferably, the inner terminal channel is a groove body which is arranged on the side wall of the heat insulator and has an opening at the upper end, and the outer terminal channel is a groove body which is arranged on the upper part of the side wall of the fixed shell and has an opening at the upper end. The inner terminal channel and the outer terminal channel adopt such a structure to facilitate the installation of the insulating and heat insulating member.

Preferably, the side part of the insulating and heat insulating piece is provided with an inner limiting part and an outer limiting part at the inner side and the outer side of the side wall of the fixed shell respectively. The radial degree of freedom of the insulating and heat-insulating piece is limited by the inner limiting part and the outer limiting part, and the vertical degree of freedom of the insulating and heat-insulating piece can be limited by the heating panel, so that the insulating and heat-insulating piece can be stably fixed on the fixed shell through the design.

Preferably, the two sides of the insulating and heat insulating piece matched with the outer terminal channel are provided with terminal clamping grooves with openings at the upper end and the lower end, the insulating and heat insulating piece is installed in the outer terminal channel through the terminal clamping grooves, and the inner side wall and the outer side wall of each terminal clamping groove are respectively the inner limiting part and the outer limiting part. By adopting the scheme, the structure is simple, and the installation is convenient.

Preferably, the bent middle part of the heating body is a spiral shape with the inner end bent outwards, two ends of the heating body are positioned at two opposite sides of the heat insulation cavity, and two inner terminal channels, two outer terminal channels and two insulation heat insulation pieces are respectively arranged. The heating body adopts the structure, so that the wiring is uniform, and the heating is more uniform.

In other optional embodiments, the bent middle part of the heating element is formed by bending the inner end outwards to form a spiral shape, two ends of the heating element are arranged at intervals, and two inner terminal channels, two outer terminal channels and two insulating and heat insulating pieces are respectively arranged.

In other alternative embodiments, two ends of the heating element are relatively close to each other, one of the inner terminal channel, the outer terminal channel and the insulating and heat insulating piece is arranged, and two independent connecting channels are arranged in the insulating and heat insulating piece corresponding to two electric terminals of the heating element.

Preferably, the upper end of the fixing shell is provided with a flanging connecting part which extends outwards, the flanging connecting part is connected with the heating panel through bonding materials, the edge of the heating panel or the flanging connecting part is used for installing a positioning part, and the position of the flanging connecting part, which corresponds to the outer terminal channel, is provided with an avoiding port.

In other alternative embodiments, the upper end of the fixing shell is connected with the heating panel through an adhesive material, and the edge of the heating panel extends out of the outer side of the upper end of the fixing shell to form an installation positioning part.

The scheme of fixing and pressing the insulating and heat insulating part is that the upper end of a fixed shell is provided with a flanging connecting part which extends outwards, the flanging connecting part is connected with a heating panel, the edge of the heating panel is a mounting and positioning part, and the position of the flanging connecting part, which corresponds to an outer terminal channel, is provided with an avoidance port; still include the elasticity layering, the elasticity layering is including the portion of pressing that supports to pressing the insulating heat insulating part upside to and locate the bullet arm at pressing portion both ends, the bullet arm is equipped with the lock joint and is keeping away the bullet knot structure of mouthful both sides. The elastic pressing strips can fasten the insulating and heat-insulating piece on the fixed shell, so that the insulating and heat-insulating piece is prevented from loosening and even falling off in the production or transportation process.

Preferably, the width of the avoiding opening is larger than that of the outer terminal channel, the elastic buckle structure is a bending structure towards the direction of the outer side of the avoiding opening, bayonets matched with the width of the elastic arms are arranged on two sides of the avoiding opening, and the bending structure is buckled on the lower sides of two sides of the avoiding opening through the bayonets. The position that sets up the bayonet socket and can fix the bullet arm prevents it not hard up, and the structure adopts bending structure, and the scheme is simple, and it is convenient to make to play the knot.

Preferably, the position of the upper side of the insulating and heat insulating part corresponding to the pressing part is provided with a positioning groove in an adaptive manner. The positioning groove is arranged to limit the pressing strip on the upper side of the insulating and heat-insulating part, so that the pressing stability is guaranteed.

According to another scheme for fixing and compressing the insulating and heat insulating part, the upper end of the fixing shell is provided with a flanging connecting part which extends outwards, the flanging connecting part is connected with the heating panel, the edge of the heating panel is provided with a mounting and positioning part, and a dodging opening is formed in the position, corresponding to the outer terminal channel, of the flanging connecting part; the insulating heat-insulating part is characterized by further comprising a pressing strip for pressing the upper side of the insulating heat-insulating part, and two ends of the pressing strip are fixed on the flanging connecting part through connecting pieces to avoid two sides of the opening. The connection is more stable by the fixing scheme.

Preferably, the position of the upper side of the insulating and heat insulating piece corresponding to the pressing strip is provided with a positioning groove in a matching way. The positioning groove is arranged to limit the pressing strip on the upper side of the insulating and heat-insulating part, so that the pressing stability is guaranteed.

Another object of the utility model is to provide an electric ceramic stove of using above-mentioned electric ceramic stove heating device, including the following embodiment:

the electric ceramic stove comprises:

a casing provided with a furnace chamber having an upper opening, and an assembly step surrounding the opening of the furnace chamber;

the edge or the flanging connecting part of the heating panel is an electric ceramic furnace heating device provided with a positioning part;

the edge or the flanging connecting part of the heating panel of the electric ceramic furnace heating device is arranged on the assembling step.

Preferably, the border of heating panel extends and forms installation location portion outside the turn-ups connecting portion, and turn-ups connecting portion downside is equipped with a plurality of bullet buckles, and when the border of heating panel was installed on the assembly step, the bullet was buckled and is crossed the assembly step and detained thereby make electric ceramic stove heating device and casing link firmly at assembly step downside.

Preferably, the electric ceramic furnace heating device further comprises a connecting ring piece, the connecting ring piece comprises a ring wall inserted into the opening of the furnace chamber and a clamping edge annularly arranged on the outer side of the upper end of the ring wall, the ring wall of the connecting ring piece is inserted into the opening of the furnace chamber, the clamping edge is connected with the assembling step through bonding materials, the electric ceramic furnace heating device is assembled in the ring wall, and the installation positioning part of the electric ceramic furnace heating device is assembled on the upper side of the clamping edge.

Preferably, the border of hot panel extends outside turn-ups connecting portion, and turn-ups connecting portion downside is equipped with a plurality of bullet knots, and the border of heating panel forms installation location portion, and when the border of heating panel was installed on the card edge, the bullet knot was buckled and is established on the rampart.

Another scheme of the electric ceramic furnace comprises the following steps:

a casing provided with a furnace chamber having an upper opening, and an assembly step surrounding the opening of the furnace chamber;

the edge of the heating panel extends out of the outer side of the upper end of the fixed shell to form an electric ceramic furnace heating device provided with a positioning part;

the edge of the heating panel of the electric ceramic furnace heating device is arranged on the assembling step.

Preferably, the outer side of the upper part of the fixed shell is provided with a plurality of elastic buckles, and when the edge of the heating panel is arranged on the assembling step, the elastic buckles are extruded to cross the assembling step and buckled at the lower side of the assembling step, so that the heating device of the electric ceramic furnace is fixedly connected with the machine shell.

Preferably, the electric ceramic furnace heating device further comprises a connecting ring piece, the connecting ring piece comprises a ring wall inserted into the opening of the furnace chamber and a clamping edge annularly arranged on the outer side of the upper end of the ring wall, the ring wall of the connecting ring piece is inserted into the opening of the furnace chamber, the clamping edge is connected with the assembling step through bonding materials, the electric ceramic furnace heating device is assembled in the ring wall, and the installation positioning part of the electric ceramic furnace heating device is assembled on the upper side of the clamping edge.

Preferably, the outer side of the upper part of the fixed shell is provided with a plurality of elastic buckles, and when the edge of the heating panel is arranged on the clamping edge, the elastic buckles are arranged on the annular wall.

Drawings

FIG. 1 is a perspective view of a heating apparatus of an electric ceramic stove

FIG. 2 is a sectional view of a heating apparatus of an electric ceramic stove

FIG. 3 is an exploded view of a heating apparatus of an electric ceramic stove

FIG. 4 is a perspective view of an insulating member

FIG. 5 is a cross-sectional view of an insulating member

FIG. 6 is a perspective view of an electric ceramic stove

FIG. 7 is an exploded view of an electric ceramic oven according to example 4

FIG. 8 is a sectional view of an electric ceramic oven according to example 5

FIG. 9 is an exploded view of an electric ceramic oven according to example 6

FIG. 10 is a sectional view of an electric ceramic oven according to example 6

FIG. 11 is a sectional view of an electric ceramic oven according to example 7

FIG. 12 is a perspective view of a connecting ring

FIG. 13 is a perspective view of a heating apparatus of an electric ceramic stove according to embodiment 2

FIG. 14 is a partial sectional view of a heating apparatus of an electric ceramic oven in accordance with example 2

FIG. 15 is a partial exploded view of a heating apparatus of an electric ceramic oven according to example 2

FIG. 16 is a partial exploded view of a heating apparatus of an electric ceramic oven according to example 3

FIG. 17 is a perspective view of another embodiment of the heating apparatus of the electric ceramic oven in accordance with example 2

Detailed Description

The technical solution of the present invention is described below with reference to the accompanying drawings and specific embodiments.

Example 1:

referring to fig. 1 to 5, the electric ceramic oven heating apparatus includes: a heating panel 1, a heat insulator 3, a heating body 2 and a fixed shell 4; a heat insulator 3 mounted on the lower side of the heating panel 1 and having a heat insulating chamber 300 with an upper opening; the heating body 2 is arranged at the bottom of the heat insulation cavity 300; the fixed shell 4 is fixed at the lower side of the heating panel 1 and is provided with a shell cavity 400 with an opening at the upper side for accommodating the heat insulator 3; two electric terminals 201 of the heating element 2 extend from the upper end of the fixed case 4 to the outer wall.

Compared with the prior art, the outer wall is extended from the upper end of the fixed shell 4 to the electric terminal 201 of the electric ceramic stove, the electric terminal 201 does not need to be installed according to the thickness of the bottom of the heat insulator 3, and therefore the thickness can be thinner, so that the thickness of the whole electric ceramic stove heating device is thinner.

In one embodiment, the side wall of the insulator 3 is provided with an inner terminal passage 301, the side wall of the fixing housing 4 is provided with an outer terminal passage 4001, and the electrical terminals 201 extend from the inner terminal passage 301 and the outer terminal passage 4001 to the outer wall of the fixing housing 4. Since the inner terminal channel and the outer terminal channel are extended radially to be provided at the side portions, by providing the inner terminal channel 301 and the outer terminal channel 4001, the electric terminals 201 can be installed in the side walls of the heat insulator 3 and the fixing case 4 without increasing the heights of the heat insulator 3 and the fixing case 4, thereby further making the electric ceramic oven heating apparatus lighter and thinner.

In one embodiment, further comprises an insulating and heat insulating member R in which a connection passage R0 for mounting the electrical terminal 201 is provided, the insulating and heat insulating member R being mounted in the inner terminal passage 301 and the outer terminal passage 4001. The docking terminal 201 can be insulated and insulated by the insulating and heat insulating member R, and since the insulating and heat insulating member R is installed in the inner terminal passage 301 and the outer terminal passage 4001, the heights of the heat insulator 3 and the fixing case 4 are not increased in the case of satisfying the insulation and insulation of the docking terminal 201. Preferably, the outer end of the electric terminal 201 extends out of the outer end of the connecting channel R0 to facilitate wiring; in other embodiments, the outer ends of the electrical terminals 201 may also be mounted in the connection channel R0 with the wires connected to the electrical terminals 201 in the connection channel R0.

In one embodiment, the inner terminal channel 301 is a slot body opened at the upper end and provided on the side wall of the heat insulator 3, and the outer terminal channel 4001 is a slot body opened at the upper end and provided on the upper portion of the fixing case 4. This structure of the inner terminal passage 301 and the outer terminal passage 4001 facilitates the installation of the insulating and heat insulating member R.

In one embodiment, the side portions of the insulating and heat-insulating member R are provided with inner and outer stoppers R02 and R03, respectively, at positions inside and outside the side wall of the fixing case 4. The radial degree of freedom of the insulating and heat insulating member R is limited by the inner limit portion R02 and the outer limit portion R03, and since the vertical degree of freedom of the insulating and heat insulating member R can be limited by the heating panel 1, the insulating and heat insulating member R can be stably fixed to the fixing case 4 by such a design.

In one embodiment, terminal clamping grooves R01 are provided on both sides of the insulating and heat insulating member R engaged with the outer terminal channel 4001, the insulating and heat insulating member R is installed in the outer terminal channel 4001 through the terminal clamping grooves R01, and the inner side wall and the outer side wall of the terminal clamping groove R01 are the inner limiting portion R02 and the outer limiting portion R03, respectively. By adopting the scheme, the structure is simple, and the installation is convenient.

Referring to fig. 3, in an embodiment, the middle of the heating element 2 is bent to form a spiral shape with the inner end bent outwards, two ends of the heating element 2 are located at two opposite sides of the thermal insulation chamber 300, and two inner terminal channels 301, two outer terminal channels 4001 and two insulating thermal insulation members R are respectively arranged. The heating body 2 adopts the structure, so that the wiring is uniform, and the heating is more uniform.

In other alternative embodiments, the middle bending part of the heating element 2 is formed by bending the inner end outwards to form a spiral shape, two ends of the heating element 2 are arranged at intervals, and two inner terminal channels 301, two outer terminal channels 4001 and two insulating and heat insulating members R are respectively arranged.

In other alternative embodiments, both ends of the heating body 2 are relatively close, one of the inner terminal passage 301, the outer terminal passage 4001 and the insulating and heat insulating member R is provided, and two independent connecting passages R0 are provided in the insulating and heat insulating member R corresponding to the two electric terminals 201 of the heating body 2.

Referring to fig. 3, in a preferred embodiment, the upper end of the fixing shell 4 is provided with a flange connecting portion 401 extending outward, the flange connecting portion 401 is connected with the heating panel 1 through an adhesive material, and the edge of the heating panel 1 extends out of the flange connecting portion to serve as an installation positioning portion. In other embodiments, the cuff connector 401 is a mounting location. Generally, the burring connection 401 is provided with an escape port 4002 at a position corresponding to the outer terminal passage 4001.

In other alternative embodiments, the upper end of the fixing shell 4 is connected with the heating panel 1 through an adhesive material, and the edge of the heating panel 1 extends out of the outer side of the upper end of the fixing shell 4 to form a mounting and positioning portion.

In a preferred embodiment, the width of the portion where the upper end of the fixing case 4 is bonded to the heating panel 1 is 2.5mm to 10 mm. Within this size range, the stability of the connection is ensured, while the economy is balanced.

Referring to fig. 3, in a preferred embodiment, the upper end of the fixing case 4 is provided with a groove 4010, and the adhesive material is at least partially filled in the groove 4010. This arrangement can improve the adhesion effect between the adhesive material and the heating panel 1 and the burring attachment 401, and facilitates the adhesion of the adhesive material to the burring attachment 401.

The heating panel 1 is typically a glass-ceramic or quartz-glass plate, but other high temperature resistant and heat conductive panels known in the art are also possible.

The adhesive material of the patent is generally a known adhesive material commonly used for electronic components, such as electronic silica gel.

Referring to fig. 1 to 8, a plurality of elastic buckles 403 for installation are arranged on the lower side of the flanging connecting part 401. The electric ceramic furnace heating device H is installed more quickly by arranging the elastic buckle 403. The snap 403 is generally provided in an amount of 3 or more to stabilize the connection.

Referring to fig. 8, the latch 403 includes a downwardly extending elastic connection 4031 connected to the cuff connection 401, and a wedge 4032 provided at an end of the elastic connection 4031, and the wedge 4032 includes a guide slope 40321, and a latch 40322 provided between an upper side of the guide slope 40321 and the elastic connection 4031.

The elastic buckle 403 may be a detachable buckle structure with certain elasticity, which is commonly used in the field or in the assembly of some electric appliances, besides the clasp. Make the maintenance efficiency high, convenient and fast to assemble and dismantle through the bullet knot 403.

Referring to fig. 8, when the electric ceramic oven heating apparatus H is mounted on the cabinet 5 from the lower side, a certain force is applied to press the elastic buckle 403 downward, and the guide inclined surface 40321 abuts against the edge of the mounting step 5011, the elastic connection 4031 is elastically deformed, so that the wedge-shaped hook 4032 passes over the mounting step 5011, the elastic connection 4031 is reset to make the buckling 40322 buckle on the lower side of the mounting step 5011, so that the vertical degree of freedom of the heating panel 1 is limited, and since the horizontal degree of freedom of the heating panel 1 is limited by the side wall of the mounting step 5011, the electric ceramic oven heating apparatus H is mounted and fixed on the cabinet 5.

In addition, referring to fig. 2 and 3, the electric ceramic oven heating apparatus is further provided with a temperature measuring element T, the bottom wall of the fixing case 4 is provided with a first through hole T1, the bottom wall of the heat insulation chamber 300 is provided with a second through hole T2, the temperature measuring element T is fitted into the second through hole T2 from the first through hole T1 to detect the temperature of the heat insulation chamber 300, and the temperature measuring element T is fixed to the bottom wall of the fixing case 4 by a fixing piece T0. The lower side of the first through hole T1 is also provided with a counter bore structure for accommodating the lower end of the temperature measuring element T.

Example 2:

referring to fig. 13 to 15, the difference between this embodiment and embodiment 1 is that the upper end of the fixed shell 4 is provided with a flange connecting portion 401 extending outward, the flange connecting portion 401 is connected to the heating panel 1, the edge of the heating panel 1 is an installation positioning portion, and a position of the flange connecting portion 401 corresponding to the outer terminal passage 4001 is provided with an avoiding opening 4002; still include elastic pressing strip K1, elastic pressing strip K1 is including the portion of pressing K11 that supports and press the insulating heat insulating part R upside to and locate the bullet arm K12 at the portion of pressing K11 both ends, and bullet arm K12 is equipped with the lock joint and dodges the bullet knot structure K120 of mouth 4002 both sides. The elastic pressing strip K1 can fasten the insulating and heat-insulating piece R on the fixed shell 4, so that the insulating and heat-insulating piece R is prevented from loosening and even falling off in the production or transportation process.

In one embodiment, the width of the avoiding opening 4002 is greater than the width of the outer terminal channel 4001, the snap structure K120 is a bent structure towards the outer side of the avoiding opening 4002, bayonets 4003 which are matched with the width of the spring arms K12 are arranged on two sides of the avoiding opening 4002, and the bent structure is fastened to the lower sides of the two sides of the avoiding opening 4002 through the bayonets 4003. Set up bayonet 4003 and can fix the position of bullet arm K12, prevent that it is not hard up, spring buckle structure K120 adopts bending structure, and the scheme is simple, and it is convenient to make.

In one embodiment, the upper side of the insulating and heat insulating member R is provided with a positioning groove R04 corresponding to the position of the pressing part K11. The positioning groove R04 is used for limiting the pressing part K11 on the upper side of the insulating and heat insulating piece R, and the pressing stability is ensured.

In other embodiments, the flange connection portion 401 may not be provided at the upper end of the fixing shell 4, and only the thickness of the upper end of the fixing shell 4 is required to satisfy the installation of the elastic pressing strip K1, where the avoiding opening 4002 is an outer side portion of the outer terminal channel 4001.

Example 3:

referring to fig. 16, the difference between this embodiment and embodiment 1 is that the upper end of the fixed shell 4 is provided with a flange connecting portion 401 extending outward, the flange connecting portion 401 is connected to the heating panel 1, the edge of the heating panel 1 is an installation positioning portion, and a position of the flange connecting portion 401 corresponding to the outer terminal channel 4001 is provided with an avoiding opening 4002; still including compressing tightly layering K2 of insulating heat insulating part R upside, layering K2 both ends are equipped with fixed orifices K21, and fixed orifices K21 passes through connecting piece K20, dodges the connecting hole 4012 of mouth 4002 both sides on turn-ups connecting portion 401 like the fix with screw, like the screw. The connection is more stable by the fixing scheme.

In one embodiment, the upper side of the insulating and heat-insulating piece R is provided with a matched positioning groove R05 corresponding to the position of the pressing strip K2. The positioning groove R05 is arranged to limit the pressing strip K2 on the upper side of the insulating and heat-insulating piece R, so that the pressing stability is ensured.

Dodge mouthful 4002 both sides on turn-ups connecting portion 401 and be equipped with concave position 4011, concave position 4011 diapire is located to connecting hole 4012, and layering K2 installs in concave position 4011, sets up concave position 4011 and holds layering K2, avoids layering K2 turn-ups connecting portion 401 and heating panel 1's being connected.

In other embodiments, the flange connection portion 401 may not be provided at the upper end of the fixing shell 4, and it is only necessary that the thickness of the upper end of the fixing shell 4 satisfies the mounting bead K2.

Referring to fig. 17, in other embodiments, an elastic pressing strip K1 may be configured at the same time, and the structure of the elastic pressing strip K1 is referred to embodiment 2.

Example 4:

referring to fig. 1 to 7, the present embodiment describes an electric ceramic oven to which the heating apparatus of the electric ceramic oven of embodiment 1 is applied, including a cabinet 5, an electric ceramic oven heating apparatus H, and a circuit module (not shown); the cabinet 5 is provided with a cavity 500 having an upper opening 501, the opening 501 surrounding the cavity is provided with a mounting step 5011, the circuit module is electrically connected to the electrical terminals 201 for controlling the operation of the electric ceramic oven heating device H, and the mounting and positioning portion of the electric ceramic oven heating device H, which may be the edge of the heating panel 1 or the flange connection portion 401 (if any), is mounted on the mounting step 5011. Adopt the electric pottery stove heating device of this patent, the whole thickness of electric pottery stove is more frivolous, can satisfy the demand of frivolousization, cooperates 5011 through heating panel 1 or turn-ups connecting portion 401 and assembly step and closes the installation, has simplified the installation procedure, and casing 5 can not design the bottom plate that can open to reduction in production cost.

The assembling process of the electric ceramic oven heating apparatus H and the cabinet 5 is explained as follows:

glue (bonding material) is applied to the assembly step 5011, then the electric ceramic oven heating device H is installed to the oven cavity 500 from the upper side of the machine shell 5 to the lower side, the installation positioning part of the electric ceramic oven heating device H is connected to the assembly step 5011 through the bonding material, the vertical degree of freedom of the electric ceramic oven heating device H is limited, the horizontal degree of freedom of the heating panel 1 is limited by the side wall of the assembly step 5011, therefore, the electric ceramic oven heating device H is assembled and fixed with the machine shell 5, and glue applying treatment can be carried out between the heating panel 1 and the opening 501 of the machine shell 5 for attractiveness and water resistance.

Example 5:

referring to fig. 1 to 8, this embodiment describes an electric ceramic oven further modified by applying embodiment 2, in which a rim 101 of a heating panel 1 of a heating device H of the electric ceramic oven is mounted on a fitting step 5011.

The lower side of the flange connecting part 401 is provided with a plurality of elastic buckles 403, and when the rim 101 of the heating panel 1 is mounted on the assembly step 5011, the elastic buckles 401 are pressed to cross the assembly step 5011 and buckled at the lower side of the assembly step 5011 so as to fixedly connect the heating device H of the electric ceramic oven with the cabinet. The electric ceramic furnace heating device H is connected with the assembling step 5011 through the elastic buckle 4043, and the assembling operation is simple, convenient and fast.

Referring to fig. 8, the latch 403 includes a downwardly extending elastic connection 4031 connected to the cuff connection 401, and a wedge 4032 provided at an end of the elastic connection 4031, and the wedge 4032 includes a guide slope 40321, and a latch 40322 provided between an upper side of the guide slope 40321 and the elastic connection 4031.

The elastic buckle 403 may be a detachable buckle structure with certain elasticity, which is commonly used in the field or in the assembly of some electric appliances, besides the clasp. Make the maintenance efficiency high, convenient and fast to assemble and dismantle through the bullet knot 403.

In other embodiments (not shown), the upper portion of the fixing housing 4 is not provided with the flange connecting portion 401, and the outer side of the upper portion of the fixing housing 4 is provided with a plurality of elastic buckles, which are fastened to the lower side of the assembling step 5011 when the edge of the heating panel 1 is mounted on the assembling step 5011, so that the heating apparatus of the electric ceramic oven is fixedly connected to the cabinet 5.

Referring to fig. 7 and 8, the assembling process of the electric ceramic oven heating apparatus H and the cabinet 5 will be explained:

the electric ceramic oven heating device H is arranged on the oven cavity 500 from the upper part of the machine shell 5 to the lower part, a certain force is exerted to press the elastic buckle 403 downwards, when the guide inclined plane 40321 is pressed against the lower side of the assembly step 5011, the elastic connecting part 4031 is elastically deformed, so that the wedge-shaped hook 4032 passes over the assembly step 5011, then the elastic connecting part 4031 is reset, the buckling part 40322 is buckled on the lower side of the assembly step 5011, so that the heating panel 1 is abutted against the assembly step 5011, the vertical freedom degree of the heating panel is limited, the horizontal freedom degree of the heating panel 1 is limited by the side wall of the assembly step 5011, the assembly and the fixation of the electric ceramic oven heating device H and the machine shell 5 are realized, and the gluing treatment can be carried out between the heating panel 1 and the opening 501 of the machine shell 5 for the purposes of beauty and water resistance.

Example 6:

referring to fig. 1 to 5, and 9 to 12, this embodiment describes an electric ceramic oven to which the heating apparatus of the electric ceramic oven of embodiment 1 is applied, including a cabinet 5, an electric ceramic oven heating apparatus H, a circuit module (not shown), and a connection ring 7; the machine shell 5 is provided with a furnace cavity 500 with an upper side opening 501, an assembling step 5011 is arranged around the opening 501 of the furnace cavity, a circuit module is electrically connected with an electric terminal 201 and used for controlling the work of an electric ceramic furnace heating device H, the connecting ring piece 7 comprises a ring wall 701 inserted into the opening 501 of the furnace cavity and a clamping edge 702 annularly arranged on the outer side of the upper end of the ring wall 701, the ring wall 701 of the connecting ring piece 7 is inserted into the opening 501 of the furnace cavity, the clamping edge 702 is connected with the assembling step 5011 through bonding materials, the electric ceramic furnace heating device H is assembled in the ring wall 701, and an installation positioning part of the electric ceramic furnace heating device H is assembled on the upper side of the clamping edge 702.

Some machine cases, such as ceramic, cast iron cases, etc., are affected by temperature, impurities, etc. during manufacturing, and the shrinkage ratio can be changed, so that the accuracy of the size of the opening of the furnace chamber is not high, and the reject ratio is affected; these factors may cause a large assembly error between the heating device H of the electric ceramic oven and the cabinet 5, which affects the assembly efficiency and the aesthetic property. Some stamped and formed housings also present precision issues. The connection ring piece 7 of this patent can be through the mould preparation, and the precision is high, and the above-mentioned problem of solution that can be fine through the linking of connecting ring piece 7 because as long as fix at the assembly step through card edge 702 and can guarantee the assembly quality of electric ceramic stove heating device H, can make the great casing of opening error of some furnace chambeies like this, also can satisfy the assembly requirement. In addition, the connecting ring piece 7 can play a role in heat insulation, and if the connecting ring piece 7 is made of materials with good heat insulation performance such as bakelite and the like, the heat insulation is better. Since the connection ring 7 can be pre-assembled on the housing 5, it is convenient for the manufacturer to stock the parts in bulk.

In a preferred embodiment, the edge of the heating panel 1 extends out of the flange connecting portion 401, a plurality of elastic buckles 403 are arranged on the lower side of the flange connecting portion 401, the edge 101 of the heating panel 1 forms an installation positioning portion, and when the edge 101 of the heating panel 1 is installed on the clamping edge 702, the elastic buckles 403 are buckled on the annular wall 701. Make the maintenance efficiency high, convenient and fast to assemble and dismantle through the bullet knot 403.

The elastic buckle 403 may be a detachable buckle structure with certain elasticity, which is commonly used in the field or in the assembly of some electric appliances, besides the clasp shown in the figure. Make the maintenance efficiency high, convenient and fast to assemble and dismantle through the bullet knot 403.

In a preferred embodiment, the annular wall 701 is provided with a fastening opening 7011 corresponding to the elastic buckle 403, and the elastic buckle 403 is fastened on the top wall of the fastening opening 7011. The buckle port 7011 is arranged to facilitate the buckling of the elastic buckle 403; on the other hand, the fastening position is fixed by the fastening interface 7011, and the position of the elastic fastener 403 can be identified by the fixing position of the connecting ring 7, so that the subsequent disassembly and maintenance are facilitated.

See example 1 for adhesive materials.

Referring to fig. 9 to 10, fig. 12, the assembling process of the electric ceramic oven heating apparatus H and the cabinet 5 is explained:

assembling the connecting ring 7 on the machine shell 5, and fixing the clamping edge 702 of the connecting ring 7 and the assembling step 5011 through an adhesive material; then the electric ceramic oven heating device H is mounted to the oven cavity 500 from above the housing 5 downwards, a certain force is applied to press the elastic buckle 403 downwards, the elastic buckle 403 is buckled to the top wall of the buckle port 7011, the heating panel 1 is abutted to the clamping edge 702, the vertical degree of freedom of the heating panel is limited, the horizontal degree of freedom of the electric ceramic oven heating device H is limited by the annular wall 701, therefore, the electric ceramic oven heating device H is assembled and fixed with the housing 5, and glue can be applied between the heating panel 1 and the opening 501 of the housing 5 for attractiveness and water resistance.

In other embodiments (not shown), the upper portion of the fixing shell 4 is not provided with the flanging connecting portion 401, the edge of the heating panel 1 serves as an installation positioning portion, and the outer side of the upper portion of the fixing shell 4 is provided with a plurality of elastic buckles.

Example 7:

referring to fig. 1 to 5, 11 and 12, this embodiment describes an electric ceramic oven to which the heating apparatus of the electric ceramic oven of embodiment 1 is applied, including a cabinet 5, an electric ceramic oven heating apparatus H, a circuit module (not shown) and a connection ring 7; the machine shell 5 is provided with a furnace cavity 500 with an upper side opening 501, an assembling step 5011 is arranged around the opening 501 of the furnace cavity, a circuit module is electrically connected with an electric terminal 201 and used for controlling the work of the electric ceramic furnace heating device H, the connecting ring 7 comprises a ring wall 701 inserted into the opening 501 of the furnace cavity and a clamping edge 702 annularly arranged on the outer side of the upper end of the ring wall 701, the ring wall 701 of the connecting ring 7 is inserted into the opening 501 of the furnace cavity, the clamping edge 702 is connected with the assembling step 5011 through bonding materials, the electric ceramic furnace heating device H is assembled in the ring wall 701, and the edge of a heating panel 1 of the electric ceramic furnace heating device H is assembled on the upper side of the clamping edge 702 through the bonding materials.

Some machine cases, such as ceramic, cast iron cases, etc., are affected by temperature, impurities, etc. during manufacturing, and the shrinkage ratio can be changed, so that the accuracy of the size of the opening of the furnace chamber is not high, and the reject ratio is affected; these factors may cause a large assembly error between the heating device H of the electric ceramic oven and the cabinet 5, which affects the assembly efficiency and the aesthetic property. Some stamped and formed housings also present precision issues. The connection ring piece 7 of this patent can be through the mould preparation, and the precision is high, and the above-mentioned problem of solution that can be fine through the linking of connecting ring piece 7 because as long as fix the assembly quality that can guarantee electric ceramic stove heating device H at assembly step 5011 through card edge 702, can make the great casing of opening error of some furnace chambeies like this, also can satisfy the assembly requirement. In addition, the connecting ring piece 7 can play a role in heat insulation, and if the connecting ring piece 7 is made of materials with good heat insulation performance such as bakelite and the like, the heat insulation is better. Since the connection ring 7 can be pre-assembled on the housing 5, it is convenient for the manufacturer to stock the parts in bulk. The connection of the connection ring 7 to the housing 5 can be made by the adhesive material of the rim 702 and the fitting step 5011, by an adhesive material commonly used in the art.

Referring to fig. 11 and 12, the assembling process of the electric ceramic oven heating apparatus H and the cabinet 5 will be explained:

assembling the connecting ring 7 on the machine shell 5, and fixing the clamping edge 702 of the connecting ring 7 and the assembling step 5011 through an adhesive material; then the electric ceramic oven heating device H is installed to the oven cavity 500 from the upper side to the lower side of the machine shell 5, the clamping edge 702 is coated with bonding materials, the heating panel 1 is abutted against the clamping edge 702, the vertical freedom degree of the heating panel is limited, the horizontal freedom degree of the electric ceramic oven heating device H is limited by the annular wall 701, therefore, the electric ceramic oven heating device H is assembled and fixed with the machine shell 5, and glue coating treatment can be carried out between the heating panel 1 and the opening 501 of the machine shell 5 for attractiveness and water resistance.

In other embodiments (not shown), the upper portion of the fixing shell 4 is provided with a flanged connection portion 401, and the edge or flanged connection portion of the heating panel 1 serves as a mounting positioning portion.

Modifications and variations of the above-described embodiments are possible to those skilled in the art in light of the above teachings and teachings, and the invention is not limited to the specific embodiments disclosed and described, but rather, modifications and variations are possible within the scope of the invention as defined by the appended claims.

Claims (20)

1. Electric ceramic stove heating device, its characterized in that includes:

a heating panel;

the heat insulator is assembled at the lower side of the heating panel and is provided with a heat insulation cavity with an opening at the upper side, and an inner terminal channel is arranged on the side wall of the heat insulator;

the heating body is arranged at the bottom of the heat insulation cavity;

the fixed shell is fixed on the lower side of the heating panel and is provided with a shell cavity with an opening at the upper side for accommodating the heat insulator, and the upper part of the side wall of the fixed shell is provided with an outer terminal channel corresponding to the inner terminal channel;

and the insulating and heat insulating part is arranged in the inner terminal channel and the outer terminal channel, a connecting channel is arranged in the insulating and heat insulating part, and the electric terminals of the heating body are arranged in the connecting channel.

2. The electric ceramic furnace heating apparatus as claimed in claim 1, wherein the inner terminal passage is a groove body provided on a side wall of the heat insulator and having an open upper end, and the outer terminal passage is a groove body provided on an upper portion of a side wall of the stationary case and having an open upper end.

3. The electric ceramic furnace heating apparatus as set forth in claim 2, wherein the side portions of the insulating and heat insulating member are provided with inner and outer position-limiting portions at positions inside and outside the side wall of the fixing case, respectively.

4. The heating apparatus of claim 3, wherein the insulating member is provided with terminal locking grooves having upper and lower ends opened at both sides thereof engaged with the outer terminal passage, the insulating member is installed in the outer terminal passage through the terminal locking grooves, and the inner and outer side walls of the terminal locking grooves are the inner and outer limit portions, respectively.

5. The electric ceramic furnace heating apparatus as set forth in any one of claims 1 to 4, wherein the heating element is bent in a spiral shape with its inner end bent outward, both ends of the heating element are located at opposite sides of the heat insulating chamber, and there are two of the inner terminal passage, the outer terminal passage and the insulating heat insulating member, respectively.

6. The electric ceramic furnace heating apparatus as claimed in any one of claims 1 to 4, wherein the heating element is bent in a spiral shape with its inner end bent outward, the two ends of the heating element are spaced apart, and there are two inner terminal channels, two outer terminal channels and two insulating and heat insulating members, respectively; or two ends of the heating body are relatively close to each other, the inner terminal channel, the outer terminal channel and the insulating and heat insulating piece are respectively provided with one, and two independent connecting channels are arranged in the insulating and heat insulating piece corresponding to two electric terminals of the heating body.

7. The heating device of the electric ceramic furnace according to any one of claims 1 to 4, wherein the upper end of the fixing shell is provided with a flange connecting portion extending outward, the flange connecting portion is connected with the heating panel by an adhesive material, the edge of the heating panel or the flange connecting portion is a mounting and positioning portion, and the flange connecting portion is provided with an avoiding opening at a position corresponding to the outer terminal passage.

8. The electric ceramic oven heating apparatus as claimed in any one of claims 1 to 4, wherein the upper end of the fixing case is connected with the heating panel by an adhesive material, and the edge of the heating panel is extended outside the upper end of the fixing case to form a mounting position part.

9. The heating device of the electric ceramic furnace according to any one of claims 1 to 4, wherein the upper end of the fixing shell is provided with a flange connecting part extending outwards, the flange connecting part is connected with the heating panel, the edge of the heating panel is a mounting and positioning part, and the flange connecting part is provided with an avoiding port corresponding to the position of the outer terminal channel; still include the elasticity layering, the elasticity layering is including the portion of pressing that supports to pressing the insulating heat insulating part upside to and locate the bullet arm at pressing portion both ends, the bullet arm is equipped with the lock joint and is keeping away the bullet knot structure of mouthful both sides.

10. The electric ceramic furnace heating device according to claim 9, wherein the elastic buckle structure is a bent structure which is bent towards the outside of the avoiding opening, bayonets which are matched with the width of the elastic arms are arranged on two sides of the avoiding opening, and the bent structure is buckled on the lower sides of the two sides of the avoiding opening through the bayonets.

11. The heating apparatus of claim 9, wherein the insulating and heat insulating member has a plurality of positioning grooves formed at the upper side thereof corresponding to the pressing portions and the pressing bars.

12. The heating device of the electric ceramic furnace according to any one of claims 1 to 4, wherein the upper end of the fixing shell is provided with a flange connecting part extending outwards, the flange connecting part is connected with the heating panel, the edge of the heating panel is a mounting and positioning part, and the flange connecting part is provided with an avoiding port corresponding to the position of the outer terminal channel;

the insulating heat-insulating part is arranged on the upper side of the flange connecting part, and the two ends of the insulating heat-insulating part are fixed on the two sides of the avoiding opening on the flange connecting part through connecting pieces; or the insulating heat-insulating part further comprises a pressing strip for pressing the upper side of the insulating heat-insulating part, two ends of the pressing strip are fixed on the flanging connecting part through connecting pieces to avoid two sides of the opening, and a positioning groove matched with the upper side of the insulating heat-insulating part is arranged at the position corresponding to the pressing strip.

13. Electric ceramic stove, its characterized in that includes:

a casing provided with a furnace chamber having an upper opening, and an assembly step surrounding the opening of the furnace chamber;

the electric ceramic oven heating apparatus of any one of claims 7, 9 to 12;

the installation positioning part of the electric ceramic furnace heating device is installed on the assembling step.

14. The electric ceramic stove according to claim 13, wherein the edge of the heating panel extends beyond the flange connection portion to form an installation positioning portion, a plurality of elastic buckles are provided at the lower side of the flange connection portion, and when the edge of the heating panel is installed on the assembly step, the elastic buckles are buckled at the lower side of the assembly step so as to fixedly connect the heating device of the electric ceramic stove with the casing.

15. The electric ceramic furnace as claimed in claim 13, further comprising a connection ring member, wherein the connection ring member comprises a ring wall inserted into the opening of the furnace chamber and a retaining rim annularly arranged at the outer side of the upper end of the ring wall, the ring wall of the connection ring member is inserted into the opening of the furnace chamber, the retaining rim is connected with the assembly step through an adhesive material, the electric ceramic furnace heating device is assembled in the ring wall, and the installation positioning portion of the electric ceramic furnace heating device is assembled at the upper side of the retaining rim.

16. The electric ceramic stove according to claim 15, wherein the edge of the heating panel extends out of the flange connection portion, a plurality of elastic buckles are arranged on the lower side of the flange connection portion, the edge of the heating panel forms an installation positioning portion, and when the edge of the heating panel is installed on the clamping edge, the elastic buckles are arranged on the ring wall.

17. Electric ceramic stove, its characterized in that includes:

a casing provided with a furnace chamber having an upper opening, and an assembly step surrounding the opening of the furnace chamber;

the electric ceramic oven heating apparatus of claim 8;

the edge of the heating panel of the electric ceramic furnace heating device is arranged on the assembling step.

18. The electric ceramic stove according to claim 17, wherein a plurality of elastic buckles are provided at an outer side of an upper portion of the fixing case, and when the edge of the heating panel is mounted on the assembling step, the elastic buckles are fastened at a lower side of the assembling step so as to fixedly couple the heating device of the electric ceramic stove to the cabinet.

19. The electric ceramic furnace as claimed in claim 17, further comprising a connection ring member, wherein the connection ring member comprises a ring wall inserted into the opening of the furnace chamber and a retaining rim annularly arranged at the outer side of the upper end of the ring wall, the ring wall of the connection ring member is inserted into the opening of the furnace chamber, the retaining rim is connected with the assembly step through an adhesive material, the electric ceramic furnace heating device is assembled in the ring wall, and the installation positioning portion of the electric ceramic furnace heating device is assembled at the upper side of the retaining rim.

20. The electric ceramic stove as claimed in claim 19, wherein a plurality of elastic buttons are provided on an outer side of an upper portion of the fixing case, and the elastic buttons are provided on the circumferential wall when the edge of the heating panel is mounted on the clamping edge.

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