Oven door wire harness threading structure

By designing a conduit structure in the oven, the problem of unstable connection of the wire harness between the oven body and the oven door was solved, achieving stability and safety of the wire harness in high-temperature environments, extending the service life of the wire harness and reducing maintenance costs.

CN223871973UActive Publication Date: 2026-02-03FOSHAN CHANGHUI ELECTRICAL APPLIANCE CO LTD
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Patent Information

Application Number
CN202520301284.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-02-03
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

In existing ovens, the connection between the wiring harness and the oven door is unstable, easily damaged by heat and posing a safety hazard. Furthermore, the wiring harness is easily subjected to tension or bending during the opening and closing of the oven door, affecting the long-term stability and service life of the wiring harness.

Method used

Design a conduit structure in which the conduit extends in an arc shape with the door hinge as the center. The wire harness is passed through the conduit and swings synchronously with the door. The conduit is fixed to the door by the mounting base to avoid pulling and friction. The conduit consists of detachable upper and lower shells to ensure the stability and safety of the wire harness in high-temperature environments.

Benefits of technology

It effectively protects the wire harness from high temperature and friction damage, extends the service life of the wire harness, improves safety and stability, facilitates maintenance and replacement, and reduces maintenance costs.

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Abstract

An oven door wire harness threading structure comprises an oven body and an inner container arranged in the oven body, the front end of the oven body is open and covered with an oven door, an installation cavity is formed between the inner container and the oven body, the oven door is connected with the oven body through a door hinge of the installation cavity and swings around the door hinge to be opened and closed, and the oven door comprises a door frame and a door handle protruding out of the end face of the door frame. The control device is fixed on the door handle and is electrically connected with a main control circuit in the box body through a wire harness; the back of the box door is connected with a guide pipe, the guide pipe extends in an arc shape with the center line of the door hinge as the circle center, and the wire harness penetrates through the guide pipe and extends to the main control circuit; an arc-shaped movable groove is formed in the inner side wall of the front end of the box body, and the guide pipe moves in the movable groove along with opening and closing of the box door. And a mounting seat is arranged at the outer end of the guide pipe and is fixed at the back of the box door. The beneficial effects of the utility model are that the conduit wraps the wire harness, thereby providing physical protection, avoiding aging of the wire harness caused by a high-temperature and humid environment, effectively prolonging the service life of the wire harness, and improving the safety and stability of the wire harness.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of oven, specifically a kind of oven door wire harness threading structure. BACKGROUND

[0002] Oven is known as modern widely used in family kitchen in home appliance product. Oven on the market includes a box, the box is formed with the cavity with baking function inside, and the cavity is closed by box door. In order to create larger cavity as much as possible to bake more food, improve its baking efficiency, the button module or control panel for control display is usually installed on the box door, which causes a new technical problem: how to solve the wire harness threading connection between the box and the box door. Since the existing box door is movable, during opening or closing the box door, the wire harness is often exposed, the heat of the cavity can damage the wire harness, and it can also increase the temperature of the wire harness, which can cause the wire harness to fail due to high temperature, and there is a certain safety hazard.

[0003] In addition, the connection mode of the wire harness between the box and the box door must be stable, to avoid the opening and closing of the box door to the wire harness, which can cause damage or poor signal transmission of the wire harness, affecting the long-term stability and service life of the wire harness. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the shortcomings of prior art, providing a kind of oven door wire harness threading structure, which is simple in structure, low in manufacturing cost, has high safety and long service life, and ensures the long-term stable operation of wire harness.

[0005] The utility model aims at overcoming the shortcomings of prior art, providing a kind of oven door wire harness threading structure, which is simple in structure, low in manufacturing cost, has high safety and long service life, and ensures the long-term stable operation of wire harness.

[0006] The back of the box door is connected with a guide pipe, which extends in arc shape with the center line of the door hinge as the center, and the wire harness is threaded in the guide pipe and extends to the main control circuit;The inner side wall of the front end of the box is provided with an arc-shaped movable slot, and the guide pipe moves in the movable slot with the opening and closing of the box door;The outer end of the guide pipe is provided with a mounting seat, and the mounting seat is fixed to the back of the box door.

[0007] The guide pipe is semicircular, and the arc radius is consistent with the swing radius of the door hinge.

[0008] The door frame is provided with a through hole corresponding to the position of the mounting seat, and the wire harness passes through the door handle, the through hole and the conduit in sequence.

[0009] The upper and lower ends of the mounting seat are provided with insertion grooves, and the back of the box door is provided with insertion plates matched with the insertion grooves.

[0010] The conduit comprises detachably buckled upper and lower shells, the bottom of the upper shell is provided with a mounting column, and the lower shell is provided with a mounting hole corresponding to the position.

[0011] The upper and lower shells are plastic parts formed by injection molding.

[0012] The utility model discloses the beneficial effect is: 1, simple structure, low production cost, improve market competitiveness.

[0013] The conduit wraps the wire harness, provides physical protection, avoids the aging problem of the wire harness caused by high temperature and humid environment, effectively prolongs the service life, and improves the safety and stability.

[0014] The conduit is arc-shaped and swings synchronously with the box door, avoids the pulling or compression of the wire harness during the opening and closing of the box door, reduces the risk of wire harness damage, and improves the safety of the wire harness.

[0015] The conduit is detachably mounted through the mounting seat, which is convenient for users to maintain and replace, and the dismounting operation is simple and convenient. DETAILED DESCRIPTION

[0016] Figure 1 It is the general assembly effect drawing of the utility model.

[0017] Figure 2 It is the internal structure schematic view of the hidden part of the box in the utility model.

[0018] Figure 3 It is the structure assembly drawing of the box and the box door in the utility model.

[0019] Figure 4 It is the structure assembly drawing of the conduit and the box door in the utility model.

[0020] Figure 5 It is the structure assembly drawing of the conduit in the utility model. DETAILED DESCRIPTION

[0021] The present invention will be further described in detail below with reference to the accompanying drawings. An oven door wiring harness structure includes a cabinet 1 and an inner liner 2 inside it. The front end of the cabinet 1 is open and covered by a door 3. An installation cavity is formed between the inner liner 2 and the cabinet 1. The door 3 is connected to the cabinet 1 through a hinge 5 in the installation cavity and swings open and closes around the hinge 5. The door 3 includes a door frame 31 and a door handle 32 protruding from the end face of the door frame 31. A control device 4 is fixed to the door handle 32 and electrically connected to the main control circuit inside the cabinet 1 through a wiring harness.

[0022] The back of the door 3 is connected to a conduit 6, which extends in an arc shape with the center line of the hinge 5 as the center. The wire harness passes through the conduit 6 and extends to the main control circuit. The inner side wall of the front end of the box body 1 is provided with an arc-shaped movable groove 11, and the conduit 6 moves in the movable groove 11 as the door 3 opens and closes. The outer end of the conduit 6 is provided with a mounting seat 7, which is fixed to the back of the door 3.

[0023] The conduit 6 is semi-circular, and its radius of curvature is consistent with the swing radius of the door hinge 5.

[0024] The door frame 31 has a through hole at the position corresponding to the mounting base 7, and the wire harness passes through the door handle 32 and the through hole in sequence to enter the conduit 6.

[0025] The mounting base 7 has slots 71 at its upper and lower ends, and the back of the door 3 has a plug plate that matches the slots 71. The plug plate is snapped into the slots 71.

[0026] The conduit 6 includes a detachable and snap-fit ​​upper housing 61 and a lower housing 62. The bottom of the upper housing 61 is provided with a mounting post 611, and the lower housing 62 is provided with a mounting hole 621 at a corresponding position. The mounting post 611 is inserted into the mounting hole 621 for fixation.

[0027] The upper housing 61 and the lower housing 62 are injection-molded plastic parts.

[0028] Working principle: In this oven, the oven body and the oven door are connected by a hinge. The oven door swings around the hinge to open and close the oven door.

[0029] In order to improve space utilization, the control device is fixed on the door handle of the cabinet and is electrically connected to the main control circuit inside the cabinet through a wiring harness.

[0030] It should be noted that a conduit is connected to the back of the enclosure door. The conduit is semi-circular in shape and extends in an arc with the center line of the door hinge as the center. The wiring harness passes through the enclosure door and runs inside the conduit, continuing to extend into the enclosure to connect to the main control circuit. The radius of the conduit's arc is consistent with the swing radius of the door hinge. As the enclosure door opens and closes around the hinge, the conduit moves synchronously with the door, ensuring that the conduit remains stable and free from pulling during the opening and closing process. This prevents damage to the wiring harness due to excessive pulling or pressure caused by the door's opening and closing, ensuring the transmission effect of the wiring harness, improving the safety of the wiring harness, effectively extending the service life of the wiring harness, and reducing maintenance costs.

[0031] An arc-shaped movable groove is provided on the inner side wall of the front end of the enclosure. During the opening and closing of the enclosure door, the wire harness is restricted to move within the movable groove, which limits the travel of the wire harness and effectively avoids direct contact between the wire harness and the inner wall of the enclosure. This not only ensures smooth movement of the wire harness when opening and closing, but also avoids wear caused by friction between the wire harness and the enclosure, thus ensuring the long-term stability and reliability of the wire harness.

[0032] Furthermore, the conduit completely encloses the wire harness, unlike the traditional exposed wire harness, providing physical protection for the wire harness. The high-temperature water vapor during the oven baking process cannot corrode the wire harness, thus preventing damage and aging. It also isolates the wire harness from contact with high-temperature water vapor, improving the safety of the wire harness and the oven. This ensures that the wire harness can still work stably and normally in high-temperature and humid environments, and the connection between the wire harness and the cabinet and door is more stable and safer.

[0033] The aforementioned conduit is fixedly connected to the cabinet door via a mounting base. Specifically, slots are provided at the upper and lower ends of the mounting base, and the conduit is fitted into these slots. An insert plate is provided on the back of the cabinet door, which is used to snap into the slot. The conduit is detachably installed and connected to the cabinet door, ensuring a firm and stable connection. The installation process is simple and quick, facilitating the disassembly or maintenance of the conduit. Users can easily disassemble it during maintenance, making it convenient for inspecting or replacing wiring harnesses, etc.

[0034] Meanwhile, the conduit includes a detachable and snap-fit ​​upper shell and a lower shell. It is inserted into the mounting hole in the lower shell using the mounting post at the bottom of the upper shell. The structure is simple, the manufacturing cost is low, and it is easy to produce and promote the conduit. Therefore, it can be widely promoted.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A wiring harness structure for an oven door, comprising a cabinet (1) and an inner liner (2) therein, the front end of the cabinet (1) being open and covered by a door (3), an installation cavity being formed between the inner liner (2) and the cabinet (1), the door (3) being connected to the cabinet (1) via a hinge (5) in the installation cavity and swinging open and closed around the hinge (5), characterized in that: The door (3) includes a door frame (31) and a door handle (32) protruding from the end face of the door frame (31). The control device (4) is fixed to the door handle (32) and electrically connected to the main control circuit inside the box (1) through a wiring harness. The back of the door (3) is connected to a conduit (6). The conduit (6) extends in an arc shape with the center line of the door hinge (5) as the center. The wire harness passes through the conduit (6) and extends to the main control circuit. The inner side wall of the front end of the box body (1) is provided with an arc-shaped movable groove (11). The conduit (6) moves in the movable groove (11) as the door (3) opens and closes. The outer end of the conduit (6) is provided with a mounting seat (7). The mounting seat (7) is fixed to the back of the door (3).

2. The wiring structure for an oven door harness according to claim 1, characterized in that: The conduit (6) is semi-circular, and its radius of curvature is consistent with the swing radius of the door hinge (5).

3. The wiring structure for an oven door harness according to claim 2, characterized in that: The door frame (31) has a through hole at the position corresponding to the mounting base (7), and the wire harness passes through the door handle (32) and the through hole in sequence to enter the conduit (6).

4. The wiring structure for an oven door harness according to claim 2, characterized in that: The mounting base (7) has slots (71) at its upper and lower ends, and the back of the door (3) has a plug plate that matches the slot (71), which is snapped into the slot (71).

5. The wiring structure for an oven door harness according to claim 1, characterized in that: The conduit (6) includes a detachable upper shell (61) and a lower shell (62). The bottom of the upper shell (61) is provided with a mounting post (611), and the lower shell (62) is provided with a mounting hole (621) at the corresponding position. The mounting post (611) is inserted into the mounting hole (621) for fixation.

6. The wiring structure for an oven door harness according to claim 5, characterized in that: The upper shell (61) and the lower shell (62) are injection-molded plastic parts.