CN213656853U - Temperature sensor mounting structure of heating electric appliance - Google Patents

Abstract

A temperature sensor mounting structure of a heating appliance comprises a heating body assembled with a temperature sensor, wherein the heating body is provided with a through hole for assembling the temperature sensor, a first limiting component is arranged in the through hole, the temperature sensor is provided with a second limiting component which is in staggered joint with the first limiting component, the temperature sensor is inserted into the through hole, the second limiting component rotates along with the temperature sensor, the second limiting component and the first limiting component form staggered joint, and part of the second limiting component is abutted against the first limiting component, so that the temperature sensor and the heating body are fixedly assembled; the furnace body is equipped with the drainage through-hole's drainage channel including the base that is equipped with the drainage through-hole in the temperature sensor to make the water that gets into in the temperature sensor discharge outside the furnace body along drainage channel, drainage through-hole. The utility model discloses an above-mentioned setting structure has improved temperature sensor's assembly efficiency, has saved the assembly cost of labor, and the drainage is effectual, effectively protects the internal electric device of organism, extension product life.

Description

Temperature sensor mounting structure of heating electric appliance

Technical Field

The utility model relates to a heating electrical apparatus specifically is a temperature sensor mounting structure of heating electrical apparatus.

Background

Heating products such as the existing induction cooker and the like are generally provided with a temperature sensor on a panel heating area for accurate temperature measurement, and a heating appliance is subjected to temperature measurement, but because the temperature sensor penetrates through a panel and is higher than the panel, oil or water seeps into a sensor mounting hole in the use process, the oil and the water can seep into the product through a hole gap, so that internal parts are corroded or components and parts are short-circuited, a circuit board is damaged, and the product cannot work.

In addition, when the existing temperature sensor for the induction cooker is installed, the assembly process is complex, and excessive labor cost is consumed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an assembly structure is reasonable, improves assembly efficiency, simplifies the temperature sensor mounting structure of traditional electromagnetism stove temperature sensor assembly structure's heating electrical apparatus to overcome the weak point among the prior art.

According to the temperature sensor mounting structure of this purpose design's a heating apparatus, include the heat-generating body with the temperature sensor assembly, the heat-generating body is equipped with the through-hole that is used for assembling temperature sensor, be equipped with first spacing subassembly in the through-hole, temperature sensor is equipped with the spacing subassembly of second that forms the dislocation joint with first spacing subassembly, temperature sensor inserts in the through-hole, the spacing subassembly of second rotates along with temperature sensor, the spacing subassembly of second forms the dislocation joint with first spacing subassembly, and the spacing subassembly part of second supports and leans on first spacing subassembly, so that temperature sensor and heat-generating body fixed assembly.

The temperature sensor mounting structure of heating electrical apparatus still includes the furnace body of cladding heat-generating body, and the furnace body is equipped with the drainage through-hole's of intercommunication drainage channel including the base that is equipped with drainage through-hole in the temperature sensor to the water that makes to get into in the temperature sensor is along drainage channel, drainage through-hole discharge outside the furnace body, avoids inside water flows to the complete machine along temperature sensor, avoids having water and causes the risk of short circuit on the other electronic components of taking in the organism.

The furnace body also comprises a panel assembled with the base; the panel is provided with a mounting hole, the temperature sensor comprises an upper cover and a first bracket which are buckled with each other, the temperature sensor also comprises a temperature measuring component which is packaged in the first bracket through the upper cover, the temperature measuring component is elastically and movably arranged in the first bracket, a sealing ring is arranged between the upper cover and the panel corresponding to the mounting hole, and the upper cover and the panel are respectively abutted and contacted with the sealing ring; be equipped with first via hole in the sealing washer, be equipped with the second via hole in the upper cover, the temperature measurement subassembly is including running through the second via hole from bottom to top, first via hole, the metal cap of mounting hole, the metal cap is outside the protrusion mounting hole under the elastic action, and the second via hole, first via hole, form into the water clearance between mounting hole three inner wall and the metal cap, first support bottom is equipped with the wash port, the water clearance of intaking, the drainage channel, the wash port, the drainage through-hole communicates in proper order, water on the mounting hole gets into the drainage channel along the clearance of intaking, the wash port, and water gets into the drainage through-hole toward the wash port.

The temperature measuring component also comprises a temperature detector; the thermoscope is equipped with the third via hole that alternates the lead wire including being used for connecting thermistor, binding post in the first support, is equipped with in the first support and encloses the wall that encloses that closes third via hole week side, encloses to close the wall and is located drainage channel, and encloses to close the wall and form the manger plate muscle around the lead wire round, prevents that rivers in the drainage channel from to the lead wire on, and then prevents the drop of water along lead wire flow direction binding post.

The temperature measuring component also comprises a second support, the second support is partially packaged in the first support through an upper cover, a drainage channel is formed in a gap between the second support and the first support, the second support comprises an upper support penetrating through a second through hole, the temperature measuring device also comprises a ceramic shell for packaging the thermistor, a fourth through hole penetrating through a lead is arranged in the upper support, a first limiting groove is formed in the top of the upper support, a positioning ring is arranged on the ceramic shell, the lead and the ceramic shell are inserted into the fourth through hole, and the positioning ring of the ceramic shell is limited in the first limiting groove; in addition, a second limiting groove is formed in the outer surface of the upper support piece, the metal cap is of a hollow structure, a convex hull is arranged on the inner wall of the metal cap corresponding to the second limiting groove, the metal cap is sleeved on the outer surface of the upper support piece, the metal cap wraps the positioning ring, and the convex hull is clamped in the second limiting groove. The metal cap is sleeved on the outer surface of the upper support of the second support and clamped in the second limiting groove through the convex hull, so that the ceramic shell provided with the thermistor is fixed between the metal cap and the second support, and the assembly efficiency of the temperature measuring assembly is improved.

The second bracket also comprises a lower bracket connected with the upper bracket, the lower bracket is packaged in the first bracket and is positioned in the drainage channel, more than two tooth keys are arranged on the outer surface of the lower bracket, a drainage gap for evacuating running water is arranged between every two adjacent tooth keys, and the drainage gap can quickly drain water entering the drainage channel and prevent the water from overflowing to other places when the water is full; the outer surface of the lower support piece is provided with a spring, the inner wall of the first support is provided with a supporting part extending to the surrounding wall, the bottom of the spring is limited on the supporting part, the top of the spring is limited on the tooth key, and the temperature measuring assembly performs elastic telescopic movement through the spring.

The first limiting assembly comprises a first limiting ring arranged in the through hole and a first notch arranged on the first limiting ring, the second limiting assembly comprises a second limiting ring arranged on the outer side of the first support and an inverted buckle arranged on the outer side of the first support, the second limiting rings are provided with a plurality of parts, and every two adjacent second limiting rings are arranged at intervals; in first support inserted the through-hole along with temperature sensor, the back-off aligns and passes first breach, and the back-off rotates along with rotating temperature sensor and forms the dislocation joint with first breach, and the second spacing ring supports and leans on first spacing ring, through the cooperation of first spacing ring, second spacing ring and back-off, realizes carrying out spacing in the vertical direction to first support, and then has improved assembly efficiency.

The heating electric appliance is an electromagnetic oven, and the heating body is a heating coil panel.

The first support outside is equipped with towards the bellied draw-in groove in first support top, and the upper cover outside is equipped with the second breach, and the upper cover inner wall is equipped with the buckle of lock in the draw-in groove on corresponding the second breach position.

The top of the sealing ring is provided with a plurality of circles of first ribs along the periphery of the first via hole, the bottom surface of the panel is attached to the first ribs, the bottom of the sealing ring is provided with an annular groove, and the top of the upper cover is provided with second ribs embedded into the annular groove along the periphery of the second via hole.

The utility model has the advantages as follows:

a. the furnace body comprises a base provided with a drainage through hole, a drainage channel communicated with the drainage through hole is arranged in the temperature sensor, so that water entering the temperature sensor is drained out of the furnace body along the drainage channel and the drainage through hole, the water is prevented from flowing into the whole machine along the temperature sensor, and the risk of short circuit caused by water on other electronic components in the machine body is avoided;

b. the temperature sensor comprises a first support and a temperature measuring assembly positioned in the first support, the temperature measuring assembly comprises a temperature measuring device, the temperature measuring device comprises a lead wire used for connecting the thermistor and the wiring terminal, the lead wire penetrates through a third through hole of the first support, a surrounding wall surrounding the third through hole is arranged in the first support, the surrounding wall is positioned in the drainage channel, and the surrounding wall forms a water retaining rib surrounding the lead wire in a circle to prevent water in the drainage channel from flowing onto the lead wire and further prevent water drops from flowing to the wiring terminal along the lead wire;

c. the temperature measuring component also comprises a metal cap, the temperature measurer comprises a second support, the metal cap is sleeved on the outer surface of the upper support of the second support and is clamped in the second limiting groove of the upper support through a convex hull, the ceramic shell provided with the thermistor is fixed between the metal cap and the second support, and therefore the assembly efficiency of the temperature measuring component is improved;

d. the first limiting assembly comprises a first limiting ring arranged in the through hole and a first notch arranged on the first limiting ring, the second limiting assembly comprises a second limiting ring arranged on the outer side of the first support and an inverted buckle arranged on the outer side of the first support, the second limiting rings are provided with a plurality of parts, and every two adjacent second limiting rings are arranged at intervals; in first support inserted the through-hole along with temperature sensor, the back-off aligns and passes first breach, and the back-off rotates along with rotating temperature sensor and forms the dislocation joint with first breach, and the second spacing ring supports and leans on first spacing ring, through the cooperation of first spacing ring, second spacing ring and back-off, realizes carrying out spacing in the vertical direction to first support, and then has improved assembly efficiency.

In conclusion, the utility model discloses an above-mentioned setting structure has improved temperature sensor's assembly efficiency, has saved the assembly cost of labor, and the drainage is effectual, effectively protects the internal electric device of organism, extension product life.

Drawings

Fig. 1 is a schematic perspective view of a heating device according to an embodiment of the present invention.

Fig. 2 is a schematic view of an assembly and disassembly structure of a heating appliance according to an embodiment of the present invention.

Fig. 3 is a partially enlarged view of fig. 2.

Fig. 4 is a schematic view of another assembled and disassembled structure of the heating device according to an embodiment of the present invention.

Fig. 5 is an assembly and disassembly structure diagram of the sealing ring and the temperature sensor according to an embodiment of the present invention.

Fig. 6 is a schematic view of an assembly cross-sectional structure of the sealing ring and the temperature sensor according to an embodiment of the present invention.

Fig. 7 is a schematic view of an assembled and disassembled structure of a temperature sensor according to an embodiment of the present invention.

Fig. 8 is a schematic view of another assembled and disassembled structure of a temperature sensor according to an embodiment of the present invention.

Fig. 9 is an exploded view of the upper cover, the temperature measuring assembly, and the first bracket according to an embodiment of the present invention.

Fig. 10 is an exploded view of the upper cover, the temperature measuring assembly, and the first bracket of the present invention in another direction.

Fig. 11 is a schematic view of a three-dimensional structure of a temperature sensor according to an embodiment of the present invention.

Fig. 12 is a schematic view of another orientation three-dimensional structure of a temperature sensor according to an embodiment of the present invention.

Fig. 13 is a schematic view of an assembly and disassembly structure of a temperature sensor and a heating element according to an embodiment of the present invention.

Fig. 14 is a schematic view of an assembled cross-sectional structure of the cover, the sealing ring, the temperature sensor and the base according to an embodiment of the present invention.

Fig. 15 is a schematic view of an assembled three-dimensional cross-sectional structure of the cover, the sealing ring, the temperature sensor and the base according to an embodiment of the present invention.

Fig. 16 is a schematic structural view illustrating water on a panel entering a temperature sensor according to an embodiment of the present invention.

In the figure, 1 is a panel, 1.1 is a mounting hole, 2 is a base, 2.1 is a drainage through hole, 3 is a heating body, 3.1 is a through hole, 3.2 is a first limit ring, 3.3 is a first notch, 4 is a temperature sensor, 5 is an upper cover, 5.1 is a second through hole, 5.2 is a second rib, 5.3 is a second notch, 5.4 is a buckle, 6 is a first bracket, 6.1 is a third through hole, 6.2 is a surrounding wall, 6.3 is a supporting part, 6.4 is a drainage hole, 6.5 is a clamping groove, 6.6 is a second limit ring, 6.7 is an inverted buckle, 7 is a sealing ring, 7.1 is a first through hole, 7.2 is a first rib, 7.3 is an annular groove, 8 is a spring, 9 is a temperature measuring component, 10 is a metal cap, 10.1 is a convex hull, 11 is a second bracket, 11.1 is an upper supporting part, 11.2 is a lower part, 3.3 is a circular groove, 8 is a spring, 9 is a temperature measuring component, 10 is a drain component, 10.1 is a ceramic groove, 11.1 is a ceramic positioning ring, 11.1 is a fourth supporting groove, 11.12 is a ceramic groove, 11.12 is a notch, and a ceramic positioning, 13 is a lead wire, 14 is a connecting terminal, 15 is a temperature detector, 16 is a water inlet gap, 17 is a water drainage channel, and 18 is a furnace body.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1 and 2, a temperature sensor mounting structure of a heating electric appliance, the heating electric appliance is an electromagnetic oven, the electromagnetic oven comprises a panel 1 and a base 2, the panel 1 and the base 2 form an oven body 18 after being assembled, a heating body 3 is arranged in the oven body 18, the heating body 3 is a heating coil disc, an air inlet and heat dissipation holes are formed in the base 2, outside air enters the oven body 18 through the air inlet and passes through the heating body 3, the outside air absorbs heat of the heating body 3 and becomes hot air, the hot air is discharged out of the oven body 18 through the heat dissipation holes, the air circulates like this, and heat generated when the heating body 3 works is led out.

Referring to fig. 2-4, a mounting hole 1.1 is formed in the panel 1, a through hole 3.1 is formed in the heating element 3 corresponding to the mounting hole 1.1, a first limiting ring 3.2 is arranged on the inner wall of the through hole 3.1, two first notches 3.3 are formed in the first limiting ring 3.2, the two first notches 3.3 are arranged in opposite directions, and more than one drainage through hole 2.1 is formed in the base 2 corresponding to the through hole 3.1.

Referring to fig. 5-8, the temperature sensor 4 includes an upper cover 5 and a first bracket 6, which are fastened together, and a sealing ring 7 is mounted on the top of the upper cover 5. A first via hole 7.1 is formed in the sealing ring 7, a plurality of circles of first ribs 7.2 are arranged at the top of the sealing ring 7 along the periphery of the first via hole 7.1, the first ribs 7.2 of two adjacent circles are arranged at intervals, and the outer diameters of the first ribs 7.2 of the circles are gradually increased along the periphery of the first via hole 7.1; first rib 7.2 is the protruding muscle of annular, and first rib 7.2 is used for laminating with panel 1, forms seal structure when the first rib 7.2 of sealing washer 7 and the laminating of panel 1, improves the leakproofness between panel 1 and the temperature sensor 4, prevents that oil, water from passing through the mounting hole (like second breach etc.) clearance infiltration to temperature sensor 4's inside. The sealing ring 7 is positioned between the panel 1 and the upper cover 5, and the upper cover 5 and the panel 1 clamp the sealing ring 7.

A second through hole 5.1 is formed in the upper cover 5, an annular groove 7.3 is formed in the bottom of the sealing ring 7, second ribs 5.2 embedded into the annular groove 7.3 are arranged on the top of the upper cover 5 along the periphery of the second through hole 5.1, and the second ribs 5.2 are annular convex ribs; the second ribs 5.2 of the upper cover 5 are matched with the annular grooves 7.3 of the sealing ring 7 to form a water-seepage-proof sealing structure, and the sealing ring 7 is conveniently positioned on the upper cover 5.

A spring 8 and a temperature measuring component 9 are arranged in the first support 6, and the temperature measuring component 9 comprises a metal cap 10, a second support 11, a ceramic shell 12, a thermistor, a lead 13 and a wiring terminal 14; the thermistor is NTC for short, the thermistor is arranged in the ceramic shell 12, and a filling material is arranged between the ceramic shell 12 and the thermistor; the thermistor and the terminal 14 are connected to the lead 13, respectively, one end of the lead 13 is connected to the thermistor, and the other end of the lead 13 is connected to the terminal 14. The ceramic shell 12, the thermistor, the filling material, the lead 13 and the connecting terminal 14 constitute a temperature detector 15. The temperature measuring component 9 can make the temperature measuring component 9 perform telescopic movement in the first bracket 6 through the elasticity of the spring 8.

Referring to fig. 7-10, a third through hole 6.1 for inserting the lead 13 is further disposed in the first bracket 6, the lead 13 penetrates the first bracket 6 up and down through the third through hole 6.1, and a surrounding wall 6.2 surrounding the third through hole 6.1 is disposed in the first bracket 6. The enclosing wall 6.2 forms a cylindrical water retaining rib, a supporting part 6.3 extending to the enclosing wall 6.2 is arranged on the inner wall of the first support 6, and the supporting part 6.3 is positioned between the enclosing wall 6.2 and the inner wall of the first support 6. The bottom of the first bracket 6 is provided with more than one water drain hole 6.4.

Referring to fig. 7-10, two slots 6.5 are provided on the outer side of the first bracket 6 and protrude toward the top of the first bracket 6, and the slots 6.5 are arranged opposite to each other; the outside of the upper cover 5 is provided with two second notches 5.3 which are arranged oppositely, and the inner wall of the upper cover 5 is provided with a buckle 5.4 which is buckled in the clamping groove 6.5 at the position corresponding to each second notch 5.3. A plurality of second limiting rings 6.6 arranged at intervals and two reverse buckles 6.7 are further arranged on the outer side of the first support 6, the two reverse buckles 6.7 are arranged oppositely, and the reverse buckles 6.7 are positioned below the clamping grooves 6.5 and the second limiting rings 6.6; the back-off 6.7 and the second limiting ring 6.6 are arranged in a staggered way up and down.

Referring to fig. 13, the first bracket 6 of the temperature sensor 4 is inserted into the through hole 3.1 of the heating element 3, the back-off 6.7 passes through the first notch 3.3, and the second limiting ring 6.6 of the first bracket 6 abuts against the first limiting ring 3.2 in the through hole 3.1, the first bracket 6 is rotated, the back-off 6.7 forms a dislocation with the first notch 3.3 along with the rotation of the first bracket 6, and the second limiting ring 6.6 still abuts against the first limiting ring 3.2, so as to prevent the first bracket 6 from dropping, realize the vertical direction spacing of the first bracket 6, and realize the fixing of the first bracket 6 on the heating element 3, thereby improving the assembly efficiency.

Referring to fig. 7-10, the second bracket 11 includes an upper bracket 11.1 and a lower bracket 11.2 connected to the upper bracket 11.1, wherein fourth through holes 11.3 for inserting the leads 13 are formed in both the upper bracket 11.1 and the lower bracket 11.2, and the leads 13 vertically penetrate through the upper bracket 11.1 and the lower bracket 11.2 through the fourth through holes 11.3. The ceramic shell 12 is provided with a positioning ring 12.1, the top of the upper support 11.1 is provided with a first limiting groove 11.4 matched with the positioning ring 12.1, the ceramic shell 12 and the lead 13 are inserted into the fourth through hole 11.3, and the positioning ring 12.1 of the ceramic shell 12 is limited in the first limiting groove 11.4 so as to limit the degree of freedom of the ceramic shell 12 inserted into the upper support 11.1 downwards.

Referring to fig. 7-10, a second limiting groove 11.5 is formed in the outer surface of the upper support 11.1, the metal cap 10 is of a hollow structure, a convex hull 10.1 is arranged on the inner wall of the metal cap 10 at a position corresponding to the second limiting groove 11.5, the metal cap 10 of the hollow structure is sleeved on the outer surface of the upper support 11.1, and the convex hull 10.1 is clamped in the second limiting groove 11.5. The ceramic shell 12 provided with the thermistor is fixed between the metal cap 10 and the second support 11, and therefore the assembly efficiency of the temperature measuring assembly 9 is improved.

Referring to fig. 7-10, the outer surface of the lower support 11.2 is provided with more than two tooth keys 11.6, the tooth keys 11.6 protrude out of the outer surface of the lower support 11.2, in this embodiment, the outer surface of the lower support 11.2 is provided with six tooth keys 11.6 forming a spline structure, and a drainage gap 11.7 is arranged between two adjacent tooth keys 11.6; the spring 8 is sleeved on the outer surface of the lower support 11.2, and the top of the spring 8 is limited on the toothed key 11.6.

With reference to fig. 11 to 12 in conjunction with fig. 5 to 10, when mounting, the spring 8 is first mounted in the first bracket 6, the spring 8 is sleeved on the outer surface of the surrounding wall 6.2, and the bottom of the spring 8 abuts against the supporting portion 6.3 in the first bracket 6 (as shown in fig. 6); then the second bracket 11 is inserted into the first bracket 6 with the spring 8, and the lower support 11.2 of the second bracket 11 is inserted into the gap between the spring 8 and the enclosing wall 6.2; the top of the spring 8 is in limit contact with a toothed key 11.6 of the lower support 11.2, then a ceramic shell 12 with a lead 13 and a thermistor is inserted into a fourth through hole 11.3 of the upper support 11.1, a positioning ring 12.1 of the ceramic shell 12 is limited in a first limiting groove 11.4, the lead 13 is inserted into the fourth through hole 11.3 of the upper support 11.1 through the fourth through hole 11.3 of the lower support 11.2 and is inserted into the third through hole 6.1 of the first support 6 through the fourth through hole 11.3 of the upper support, and the lead 13 is externally connected with a connecting terminal 14; then, the metal cap 10 is sleeved on the outer surface of the upper support 11.1, the metal cap 10 is directly clamped in the second limiting groove 11.5 of the upper support 11.1 until the convex hull 10.1 is clamped in the second limiting groove 11.5 of the upper support 11.1, the metal cap 10 covers the positioning ring 12.1 of the ceramic shell 12, finally, the upper cover 5 and the upper support 6 are assembled, the metal cap 10 is relatively inserted into the second through hole 5.1 of the upper cover 5, the second notch 5.3 of the upper cover 5 is aligned with the clamping groove 6.5 of the upper support 6 until the buckle 5.4 on the inner wall of the upper cover 5 is buckled in the clamping groove 6.5, and after the upper support 6 and the upper cover 5 are tightly assembled, the upper cover 5 encapsulates the temperature measuring component 9 and the spring 8 in the upper support 6 to complete the assembly of the temperature sensor 4.

Referring to fig. 13 to 15, when the assembled temperature sensor 4 and the heating element 3 are assembled, when the first bracket 6 of the temperature sensor 4 is inserted into the through hole 3.1 of the heating element 3, the first notch 3.3 in the through hole 3.1 is aligned with the back-off 6.7 of the first bracket 6, the back-off 6.7 passes through the first notch 3.3, the second limit ring 6.6 of the first bracket 6 abuts against the first limit ring 3.2 in the through hole 3.1, the first bracket 6 is rotated, the back-off 6.7 is dislocated from the first notch 3.3 along with the rotation of the first bracket 6, the second limit ring 6.6 still abuts against the first limit ring 3.2, the first bracket 6 is fixed on the heating element 3, the metal cap 10 protrudes out of the through hole 3.1 of the heating element 3, and the through hole 3.1 covers the periphery of the upper cover 5, so as to complete the assembly of the temperature sensor 4 and the heating element 3.

Referring to fig. 13-15, when the panel 1 is installed on the heating element 3 and the temperature sensor 4, the sealing ring 7 is installed on the top of the upper cover 5, the metal cap 10 protruding out of the through hole 3.1 penetrates through the first through hole 7.1 of the sealing ring 7, the second rib 5.2 on the top of the upper cover 5 is buckled with the annular groove 7.3 on the bottom of the sealing ring 7 to form a water-tight sealing structure, then the panel 1 is installed, the installation hole 1.1 on the panel 1 is aligned with the metal cap 10 protruding out of the through hole 3.1, the metal cap 10 penetrates through the installation hole 1.1, the bottom surface of the panel 1 is attached to the first rib 7.2 on the top of the sealing ring 7 to form a sealing contact, and the metal cap 10 protrudes out of the installation hole 1.1.

Referring to fig. 15, a water inlet gap 16 is formed in a gap between the inner walls of the mounting hole 1.1 and the first via hole 7.1 and the outer wall of the metal cap 10, a drainage channel 17 is formed in a gap between the first support 6 and the second support 11, the drainage gap 11.7 and the enclosing wall 6.2 are located in the drainage channel 17, and the drainage channel 17 is communicated with the drainage hole 6.4 and the drainage through hole 2.1.

Referring to fig. 16, when a cooking vessel such as a pot is placed on the panel 1, since the metal cap 10 protruding from the panel 1 is subject to the gravity of an object, the metal cap 10 sinks toward the mounting hole 1.1 of the panel 1, the metal cap 10 sinks to drive the second bracket 11 to move downward toward the first bracket 6, and the lower member 11.2 presses the spring 8 toward the supporting portion 6.3 of the first bracket 6 through the tooth key 11.6 until the lower member 11.2 contacts with the enclosing wall 6.2, the lower member 11.2 stops moving downward, and the spring 8 is compressed in the first bracket 6. If the cooking utensil on the panel 1 is taken away, the spring 8 is reset, the lower support piece 11.2 moves upwards along the enclosing wall 6.2 under the elastic action of the spring 8, and the metal cap 10 protrudes upwards towards the mounting hole 1.1 of the panel 1. In the process, the enclosing wall 6.2 plays a role of guiding the temperature measuring component 9 to move up and down.

If the water in the cooking utensil overflows because of the boiling, and the boiling water that overflows drips to the mounting hole 1.1 of panel 1 along the periphery of cooking utensil, because panel 1, upper cover 5 and sealing washer 7's seal structure, the boiling water that overflows can not get into the second breach 5.3 of upper cover 5, the boiling water that overflows gets into drainage channel 17 along the water inlet clearance 16, last water gets into in the drainage through hole 2.1 of base 2 through wash port 6.4, last water is discharged through drainage through hole 2.1, avoid inside water entering heating apparatus, and then avoid taking electronic components's other subassemblies to cause the short circuit risk because of touching water. When water enters the drainage channel 17, the drainage notch 11.7 is beneficial to drainage, and can quickly drain water entering the first bracket 6 to prevent the water from overflowing to other places. And the enclosing wall 6.2 blocks water entering the drainage channel 17, so that the lead 13 is prevented from contacting water, the water is prevented from flowing to the wiring terminal 14 along the lead 13, electrical elements are effectively protected, and the service life of an electrical appliance is prolonged.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a temperature sensor mounting structure of heating electrical apparatus, includes heat-generating body (3) with temperature sensor (4) assembly, its characterized in that: heating body (3) are equipped with through-hole (3.1) that are used for assembling temperature sensor (4), be equipped with first spacing subassembly in through-hole (3.1), temperature sensor (4) are equipped with the spacing subassembly of second that forms the dislocation joint with first spacing subassembly, temperature sensor (4) insert in through-hole (3.1), the spacing subassembly of second rotates along with temperature sensor (4), the spacing subassembly of second forms the dislocation joint with first spacing subassembly, and the spacing subassembly part of second supports and leans on first spacing subassembly, so that temperature sensor (4) and heating body (3) fixed Assembly.

2. The temperature sensor mounting structure of a heating appliance according to claim 1, wherein: the heating furnace is characterized by further comprising a furnace body (18) for coating the heating body (3), wherein the furnace body (18) comprises a base (2) provided with a water drainage through hole (2.1), and a water drainage channel (17) communicated with the water drainage through hole (2.1) is arranged in the temperature sensor (4), so that water entering the temperature sensor (4) is drained out of the furnace body (18) along the water drainage channel (17) and the water drainage through hole (2.1).

3. The temperature sensor mounting structure of a heating appliance according to claim 2, wherein: the furnace body (18) also comprises a panel (1) assembled with the base (2); the temperature sensor (4) comprises an upper cover (5) and a first support (6) which are buckled with each other, the temperature sensor (4) further comprises a temperature measuring component (9) which is packaged in the first support (6) through the upper cover (5), the temperature measuring component (9) is elastically and movably arranged in the first support (6), a sealing ring (7) is arranged between the upper cover (5) and the panel (1) corresponding to the position of the mounting hole (1.1), and the upper cover (5) and the panel (1) are respectively abutted and contacted with the sealing ring (7); be equipped with first via hole (7.1) in sealing washer (7), be equipped with second via hole (5.1) in upper cover (5), temperature measurement subassembly (9) are including running through second via hole (5.1) from bottom to top, first via hole (7.1), metal cap (10) of mounting hole (1.1), metal cap (10) are outside protruding mounting hole (1.1) under the elastic action, and second via hole (5.1), first via hole (7.1), form into water clearance (16) between mounting hole (1.1) three inner wall and metal cap (10), first support (6) bottom is equipped with wash port (6.4), water gap (16) of intaking, drainage channel (17), wash port (6.4), drainage through-hole (2.1) communicate in proper order, water on mounting hole (1.1) gets into drainage channel (17) along water gap (16) of intaking, wash port (6.4), and water gets into drainage through-hole (2.1) toward wash port (6.4).

4. The temperature sensor mounting structure of a heating appliance according to claim 3, wherein: the temperature measuring component (9) also comprises a temperature detector (15); the temperature detector (15) comprises a lead (13) for connecting a thermistor and a wiring terminal (14), a third through hole (6.1) penetrating the lead (13) is formed in the first support (6), a surrounding wall (6.2) surrounding the third through hole (6.1) is arranged in the first support (6), the surrounding wall (6.2) is located in the drainage channel (17), and a water retaining rib surrounding the lead (13) in one circle is formed by the surrounding wall (6.2).

5. The temperature sensor mounting structure of a heating appliance according to claim 4, wherein: the temperature measuring component (9) further comprises a second support (11), the second support (11) is partially packaged in the first support (6) through the upper cover (5), a drainage channel (17) is formed in a gap between the second support (11) and the first support (6), the second support (11) comprises an upper support (11.1) penetrating through the second through hole (5.1), the temperature measuring device (15) further comprises a ceramic shell (12) used for packaging the thermistor, a fourth through hole (11.3) penetrating through the lead (13) is formed in the upper support (11.1), a first limiting groove (11.4) is formed in the top of the upper support (11.1), a positioning ring (12.1) is arranged on the ceramic shell (12), the lead (13) and the ceramic shell (12) are inserted into the fourth through hole (11.3), and the positioning ring (12.1) of the ceramic shell (12) is limited in the first limiting groove (11.4); in addition, be equipped with second spacing groove (11.5) on the surface of last branch spare (11.1), metal cap (10) are hollow structure, and metal cap (10) inner wall is equipped with convex closure (10.1) on corresponding second spacing groove (11.5) position, and metal cap (10) cover is established on last branch spare (11.1) surface, and metal cap (10) cladding holding ring (12.1), and convex closure (10.1) card is established in second spacing groove (11.5).

6. The temperature sensor mounting structure of a heating appliance according to claim 5, wherein: the second support (11) further comprises a lower support (11.2) connected with the upper support (11.1), the lower support (11.2) is packaged in the first support (6), the lower support (11.2) is positioned in the drainage channel (17), more than two toothed keys (11.6) are arranged on the outer surface of the lower support (11.2), and a drainage notch (11.7) for evacuating running water is arranged between every two adjacent toothed keys (11.6); be equipped with spring (8) on lower support (11.2) surface, be equipped with on first support (6) inner wall and extend to supporting part (6.3) on enclosing wall (6.2), spring (8) bottom is spacing on supporting part (6.3), and spring (8) top is spacing on tooth key (11.6), and temperature measurement subassembly (9) carry out elastic telescopic motion through spring (8).

7. The temperature sensor mounting structure of the heating appliance according to any one of claims 2 to 6, wherein: the first limiting assembly comprises a first limiting ring (3.2) arranged in the through hole (3.1) and a first notch (3.3) arranged on the first limiting ring (3.2), the second limiting assembly comprises a second limiting ring (6.6) arranged on the outer side of the first support (6) and an inverted buckle (6.7) arranged on the outer side of the first support (6), the second limiting rings (6.6) are provided with a plurality of limiting rings, and two adjacent second limiting rings (6.6) are arranged at intervals; in first support (6) inserted through-hole (3.1) along with temperature sensor (4), back-off (6.7) align and pass first breach (3.3), back-off (6.7) rotate along with rotation temperature sensor (4) and form dislocation joint with first breach (3.3), and second spacing ring (6.6) support and lean on first spacing ring (3.2).

8. The temperature sensor mounting structure of a heating appliance according to any one of claims 1 to 5, wherein: the heating electric appliance is an electromagnetic oven, and the heating body (3) is a heating coil panel.

9. The temperature sensor mounting structure of a heating appliance according to claim 2, wherein: the outside of the first support (6) is provided with a clamping groove (6.5) protruding towards the top of the first support (6), the outside of the upper cover (5) is provided with a second notch (5.3), and the inner wall of the upper cover (5) is provided with a buckle (5.4) buckled in the clamping groove (6.5) at the position corresponding to the second notch (5.3).

10. The temperature sensor mounting structure of a heating appliance according to claim 3, wherein: sealing washer (7) top is equipped with first rib (7.2) of a plurality of circles along first via hole (7.1) periphery, and panel (1) bottom surface and first rib (7.2) laminating, sealing washer (7) bottom are equipped with annular groove (7.3), and upper cover (5) top is equipped with second rib (5.2) in embedding annular groove (7.3) along second via hole (5.1) periphery.

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