Improved electric oven
The design of the detachable electric heating unit and electric coupler solves the problem of difficult cleaning of electric ovens, enabling convenient cleaning and safe power-off, and reducing the risk of abnormal heating of the electric coupler.
Patent Information
- Application Number
- CN202423188603.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-24
AI Technical Summary
The electric heating unit of existing electric ovens is fixed to the oven body, which makes cleaning difficult, especially the grease on the heating chamber and the electric heating unit, which is difficult to clean and easily leaves dead corners.
A detachable electric heating unit and an electric coupler were designed. The electric heating unit can be detached from the furnace body through a plug-in connection. Combined with multiple sets of heating elements in parallel coupling, the current density is reduced and safe power-off is ensured.
It enables convenient cleaning of the electric heating unit, avoids cleaning dead spots, ensures safety and reliability of the electric coupler, and reduces the risk of abnormal heating caused by excessive single-point current.
Smart Images
Figure CN223554707U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric oven technical field, concretely relates to an easy to clean improved electric oven. BACKGROUND
[0002] The existing electric oven, its electric heating unit sets up on the bottom surface of heating cavity, and the electric heating unit heats the food on the oven upward. Because the electric heating unit of electric oven is usually fixed on the furnace body, it cannot be detached. The oil and so on produced when baking food will drip in the heating cavity and on the electric heating unit. When cleaning, the heating cavity is difficult to clean because of the block of the electric heating unit, and it is easy to have dead angle that cannot be cleaned, and the oil on the electric heating unit is also not easy to clean. SUMMARY
[0003] The utility model aims at providing an improved electric oven with detachable electric heating unit and convenient cleaning.
[0004] The utility model aims at providing an improved electric oven with detachable electric heating unit and convenient cleaning.
[0005] An improved electric oven, including furnace body and electric heating unit set in the heating cavity of furnace body, electric coupler is arranged in the furnace body, the furnace body is equipped with mounting hole, and the electric coupler is equipped with conductive jack towards the mounting hole, the electric heating unit is in the form of pin, and the electric heating unit is inserted into the conductive jack through the mounting hole, and the conductive jack and the electric heating unit are connected with the electric heating unit.
[0006] The electric heating unit and the electric coupler in the furnace body of the utility model are designed to be detachable by plug-in, which is convenient to take out the electric heating unit to clean the heating cavity, and the heating cavity is not easy to have dead angle, and the electric heating unit is not electrified after being separated from the electric coupler, so that the electric heating unit is easy and safe to clean.
[0007] Further, the electric coupler includes an insulating box body and a live wire coupling connecting piece and a zero line coupling connecting piece arranged in the insulating box body, the live wire coupling connecting piece is used for connecting the live wire, the zero line coupling connecting piece is used for connecting the zero line, the live wire coupling connecting piece and the zero line coupling connecting piece are the same structure, and the live wire coupling connecting piece and the zero line coupling connecting piece all include a fixed sleeve, at least two elastic clamping pieces are extended from the front part of the fixed sleeve, the elastic clamping pieces are arranged in a ring shape around the axis of the fixed sleeve, and the conductive jack is formed between the elastic clamping pieces.
[0008] The electric coupler is simple and reasonable in structure, and the electric heating unit is convenient to insert or pull out the electric heating unit.
[0009] Further, the electric coupler includes a spring ring, the spring ring tightly clamps all the outer ends of the elastic clamping pieces, so that the electric heating unit and the elastic clamping pieces are in close contact.
[0010] The elastic ring ensures that the firewire coupling connecting piece and the zero line coupling connecting piece are in reliable and firm contact with the power connection end of the heating unit during long-term use.
[0011] Further, the electric heating unit comprises at least two groups of heating bodies, the end of the heating body is a guide column, the guide column constitutes the power connection end of the electric heating unit, a corresponding number of firewire coupling connecting pieces and zero line coupling connecting pieces are connected in parallel respectively, the firewire coupling connecting pieces and the zero line coupling connecting pieces are installed in a staggered manner in the insulating box body, and the firewire coupling connecting pieces and the zero line coupling connecting pieces are provided with an electrical gap.
[0012] The electric heating unit adopts a plurality of groups of heating bodies connected in parallel, the current of the whole electric heating unit is shunted, the current at the coupling contact point is reduced, and abnormal heating damage to the electric coupler connection caused by excessive current at a single point is avoided.
[0013] Further, the roots of the parallel firewire coupling connecting pieces are connected with first conductive wires extending out of the insulating box body, and the roots of the parallel zero line coupling connecting pieces are connected with second conductive wires extending out of the insulating box body.
[0014] The electric coupler is convenient and easy to wire in the furnace body.
[0015] Further, the insulating box body comprises a front seat and a rear cover, the front seat is provided with fixing holes, the firewire coupling connecting pieces and the zero line coupling connecting pieces and the corresponding elastic clamping pieces are inserted into the corresponding fixing holes, and the fixing holes are aligned with the mounting holes in front of the front seat.
[0016] The firewire coupling connecting pieces and the zero line coupling connecting pieces are simple and easy to install, and the fixing holes limit the opening range of the elastic clamping pieces.
[0017] Further, the mounting hole is provided with a guide sleeve, the guide sleeve is in the shape of a trumpet mouth, and the power connection end of the electric heating unit is inserted into the conductive insertion hole through the guide sleeve.
[0018] The guide sleeve facilitates the user to insert the power connection end of the electric heating unit into the conductive insertion hole.
[0019] The electric heating unit and the electric coupler in the furnace body are designed in a plug-in and detachable manner, the electric heating unit is convenient to take out for cleaning the heating cavity, the heating cavity is not easy to have a dead angle, the electric heating unit is not electrified after being separated from the electric coupler, and the electric heating unit is easy and safe to clean. The electric coupler is simple and reasonable in structure, facilitates the power connection end of the electric heating unit to be inserted into or pulled out of the electric heating unit. The elastic ring ensures that the firewire coupling connecting piece and the zero line coupling connecting piece are in reliable and firm contact with the power connection end of the heating unit during long-term use. The electric heating unit adopts a plurality of groups of heating bodies connected in parallel, the current of the whole electric heating unit is shunted, the current at the coupling contact point is reduced, and abnormal heating damage to the electric coupler connection caused by excessive current at a single point is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1A schematic diagram of the cross-sectional structure of Example 1.
[0021] Figure 2 A schematic diagram of the exploded structure of the electrical coupler and the electrical heating unit in Example 1.
[0022] Figure 3 A schematic diagram of the internal structure of the electrical coupler in Example 1.
[0023] Figure 4 A schematic diagram of the connection structure of the electrical heating unit, the live wire coupling connecting piece and the neutral wire coupling connecting piece in Example 1.
[0024] Figure 5 A schematic diagram of Figure 4 A schematic diagram of the enlarged A portion in Example 1.
[0025] Figure 6 A schematic diagram of the cross-sectional structure of the furnace body and the guide sleeve after installation in Example 1 (the arrows are schematic diagrams of water flow). DETAILED DESCRIPTION
[0026] The utility model will be further described below in combination with the drawings and examples.
[0027] Example 1, referring to Figures 1-6 As shown in the figure, an improved electric oven includes a furnace body 1 and an electrical heating unit 2 arranged in a heating cavity 10 of the furnace body 1.
[0028] The furnace body 1 is provided with an electrical coupler 3, and the furnace body 1 is provided with a mounting hole 11. The electrical coupler 3 is provided with a conductive jack facing the mounting hole 11. A guide sleeve 4 is arranged in the mounting hole 11, and the guide sleeve 4 is in the shape of a trumpet mouth, i.e., the outer edge 41 of the guide sleeve 4 has a larger diameter than the inner edge 42.
[0029] The electrical coupler 3 includes an insulating box body 5 and a live wire coupling connecting piece 31, a neutral wire coupling connecting piece 32 and a spring ring 33 arranged in the insulating box body 5. The insulating box body 5 includes a front seat 51 and a rear cover 52. The front seat 51 is provided with a fixing hole 53. The live wire coupling connecting piece 31 and the neutral wire coupling connecting piece 32 and the corresponding elastic clamping pieces are inserted into the corresponding fixing holes 53. The fixing hole 53 is aligned with the mounting hole 11 in front of the front seat 51. After the front seat 51 and the rear cover 52 are connected, the front seat 51 limits the live wire coupling connecting piece 31 and the neutral wire coupling connecting piece 32 in the fixing hole 53.
[0030] The live wire coupling connecting piece 31 is used for connecting a live wire, and the neutral wire coupling connecting piece 32 is used for connecting a neutral wire. The live wire coupling connecting piece 31 and the neutral wire coupling connecting piece 32 have the same structure. The live wire coupling connecting piece 31 and the neutral wire coupling connecting piece 32 each include a fixing sleeve 6. The fixing sleeve 6 extends three elastic clamping pieces 61 in front. The elastic clamping pieces 61 are arranged in a ring shape around the axis of the fixing sleeve 6, and the elastic clamping pieces 61 form the conductive jack therebetween. The spring ring 33 clamps the outer ends of all the elastic clamping pieces 61.
[0031] In the embodiment, the two groups of live wire coupling connecting pieces 31 and zero line coupling connecting pieces 32 are parallelly connected respectively, and the live wire coupling connecting pieces 31 and the zero line coupling connecting pieces 32 are installed in the insulation box 5 in staggered positions, and the live wire coupling connecting pieces 31 and the zero line coupling connecting pieces 32 are provided with electrical clearances meeting the safety distance. The roots of the parallelly connected live wire coupling connecting pieces 31 are connected with the first conductive wire 34 extending out of the insulation box 5, and the roots of the parallelly connected zero line coupling connecting pieces 32 are connected with the second conductive wire 35 extending out of the insulation box 5.
[0032] The electric heating unit 2 comprises two groups of heating bodies 21, and the ends of the heating bodies 21 are guide columns 22, which constitute the power connection end of the electric heating unit 2, that is, the power connection end of the electric heating unit 2 is in the form of a plug pin.
[0033] The power connection end of the electric heating unit 2 is inserted into the corresponding conductive jack through the guide sleeve 4 on the mounting hole 11, the elastic ring 33 makes the power connection end of the electric heating unit 2 and the elastic clamping piece 61 in close contact, and the conductive jack and the power connection end of the electric heating unit 2 are connected in a conductive manner. The electric coupler 3 supplies power to the electric heating unit 2.
[0034] The power connection end of the electric heating unit 2 is provided with a fixing cover 7, the fixing cover 7 supports the electric heating device, the fixing cover 7 is open on the side and the bottom surface facing the guide sleeve 4, and the fixing cover 7 covers the guide sleeve 4. The fixing cover 7 and the guide sleeve 4 cooperate to prevent water from directly entering the inner cavity of the furnace body 1 from the horn opening of the guide sleeve 4. The fixing cover 7 supports the electric heating unit 2 to be suspended in the heating cavity.
[0035] As used in the present utility model, the terms first, second, etc. do not indicate any order, quantity or importance, but are used for distinction only.
[0036] As used in the present utility model, the terms one, a, etc. do not indicate a limitation on the quantity, but indicate the existence of at least one mentioned object.
[0037] As used in the present utility model, the terms indicating direction or position, such as front end, rear end, top, bottom, side, longitudinal, transverse, middle, center, outer, inner, horizontal, vertical, left, right, upward, downward, etc., mean reflecting relative position, not absolute position.
[0038] As used in the present utility model, the terms substantially, generally, approximately, nearly, etc. are used as limiting terms to indicate that there are characteristics, but allow certain deviations. The amount of allowable deviation can vary depending on the specific context.
Claims
1. An improved electric oven comprising an oven body and an electric heating unit provided in a heating chamber of the oven body, characterized in that, The furnace body is provided with an electric coupler, the furnace body is provided with a mounting hole, the electric coupler is provided with a conductive jack towards the mounting hole, the power connection end of the electric heating unit is in the form of a pin, the power connection end of the electric heating unit is inserted into the conductive jack through the mounting hole, and the conductive jack and the power connection end of the electric heating unit are connected in a conductive manner.
2. The improved electric oven according to claim 1, wherein The electric coupler comprises an insulating box body and a live wire coupling connecting piece and a zero wire coupling connecting piece arranged in the insulating box body, the live wire coupling connecting piece is used for connecting a live wire, the zero wire coupling connecting piece is used for connecting a zero wire, the live wire coupling connecting piece and the zero wire coupling connecting piece are the same in structure, the live wire coupling connecting piece and the zero wire coupling connecting piece each comprise a fixing sleeve, at least two elastic clamping pieces are extended from the front part of the fixing sleeve, the elastic clamping pieces are arranged in a ring shape around the axis of the fixing sleeve, and the conductive jack is formed between the elastic clamping pieces.
3. The improved electric oven according to claim 2, wherein The electric coupler comprises a spring ring, the spring ring tightly clamps the outer ends of all the elastic clamping pieces, and the power connection end of the electric heating unit is in close contact with the elastic clamping pieces.
4. The improved electric oven according to claim 2, wherein The electric heating unit comprises at least two groups of heating bodies, the end part of the heating body is in the form of a guide column, the guide column constitutes the power connection end of the electric heating unit, a corresponding number of live wire coupling connecting pieces and zero wire coupling connecting pieces are connected in parallel, the live wire coupling connecting pieces and the zero wire coupling connecting pieces are installed in a staggered manner in the insulating box body, and the live wire coupling connecting pieces and the zero wire coupling connecting pieces are provided with an electrical gap.
5. The improved electric oven according to claim 4, wherein The roots of the parallel live wire coupling connecting pieces are connected with first wires extending out of the insulating box body, and the roots of the parallel zero wire coupling connecting pieces are connected with second wires extending out of the insulating box body.
6. The improved electric oven according to claim 2, wherein The insulating box body comprises a front seat and a rear cover, the front seat is provided with fixing holes, the live wire coupling connecting pieces and the zero wire coupling connecting pieces and corresponding elastic clamping pieces are inserted into corresponding fixing holes, and the fixing holes are aligned with the mounting hole in front of the front seat.
7. The improved electric oven according to claim 1, wherein The mounting hole is provided with a guide sleeve in the form of a bell mouth, and the power connection end of the electric heating unit is inserted into the conductive jack through the guide sleeve.