Quick-plug junction box for oven

By employing a flexible snap-fit ​​and flexible grounding plate design in the quick-connect junction box for ovens, the problem of poor stability in traditional oven junction boxes is solved, achieving stable connection and convenient maintenance.

CN223942137UActive Publication Date: 2026-02-24SUZHOU XINAITE ELECTROMECHANICAL CO LTD
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Patent Information

Application Number
CN202520529946.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-02-24
Estimated Expiration
2035-03-25

AI Technical Summary

Technical Problem

Traditional ovens use quick-connect junction boxes, which are unstable, prone to loosening, and have poor grounding contact, leading to grounding failure.

Method used

A quick-connect junction box was designed, comprising a base, a grounding plate, multiple terminals, and a cover. The base is made of insulating material and has wire inlets and plug sockets. The plug sockets have elastic buckles on their outer periphery. The grounding plate is elastically fitted to the metal side wall of the oven. The cover and the base are detachably connected by a hinge and buckle structure to ensure a stable connection.

Benefits of technology

The mechanical engagement between the junction box and the oven has been enhanced, ensuring that the grounding circuit impedance meets the standard, improving installation convenience and maintenance efficiency, and avoiding problems such as poor contact and loosening.

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Abstract

The utility model discloses a quick-plug junction box for an oven, which relates to the technical field of power junction boxes for ovens, and is characterized in that the quick-plug junction box comprises a base provided with a wire inlet and a bayonet socket, a plurality of mounting grooves are arranged in the bayonet socket, and a plurality of elastic buckles are arranged on the peripheral side of the outer part of the bayonet socket; the grounding piece is fixed on the base, one end of the grounding piece is electrically connected with a grounding wire connected into the wire inlet, and the other end of the grounding piece extends to one side of the base and can be elastically attached to the metal side wall of the oven; the plurality of wiring terminals are embedded in the mounting grooves, each wiring terminal comprises a plug-in piece and a first threaded connection hole, and the first threaded connection hole is provided with a first screw used for electrically connecting a power line or a ground wire connected into the wire inlet with the wiring terminal; one side of the box cover is hinged to one side of the base, and the other side of the box cover is detachably connected with the base through a buckle structure. The connecting device has the advantages of being good in connecting stability and convenient and fast to operate.
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Description

Technical Field

[0001] This utility model relates to the technical field of oven power junction boxes, and more specifically, it relates to a quick-connect junction box for ovens. Background Technology

[0002] The oven's power junction box is a core component of the oven's electrical system, specifically designed to connect external power lines to the high-power load inside the oven. It plays a crucial role in power transmission, distribution, and safety protection. Traditional quick-connect junction boxes for ovens often only have simple pins for plugging into the oven's designated location, resulting in poor stability and a tendency to loosen. Furthermore, the grounding plate only has one inelastic surface in contact with the oven wall, making it prone to poor contact and grounding failure.

[0003] Therefore, a new solution is needed to address this problem. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a quick-connect junction box for ovens, which has the advantages of good connection stability and convenient and quick operation.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a quick-connect junction box for an oven, comprising:

[0006] The base is made of insulating material and has a wire inlet and a plug socket. The plug socket has multiple mounting slots and multiple elastic buckles on its outer periphery.

[0007] A grounding plate is fixed on the base. One end of the plate is electrically connected to the grounding wire connected to the wire inlet, and the other end extends to one side of the base and can be elastically fitted to the metal side wall of the oven.

[0008] Multiple terminals are embedded in the mounting groove. Each terminal includes a plug and a first threaded connection hole. The first threaded connection hole is provided with a first screw for connecting the power line or grounding line to the wire inlet to form an electrical connection with the terminal.

[0009] The lid is hinged to one side of the base, and the other side is detachably connected to the other side of the base via a snap-fit ​​mechanism.

[0010] In one embodiment, a wire clamp is provided on the base near the wire inlet. One end of the wire clamp is provided with a C-shaped bayonet and the other end is provided with a connecting post. A connecting shaft is fixed on the base, and the C-shaped bayonet is rotatably connected to the connecting shaft. A flat hole is provided on the connecting post, and a second threaded connecting hole is provided on the base. A second screw is connected between the flat hole and the second threaded connecting hole. Two V-shaped plates are provided on the base along the extension direction of the wire inlet, and the wire clamp is located between the two V-shaped plates.

[0011] In one embodiment, the snap-fit ​​structure includes a slot on the base and an elastic hook on the lid, the elastic hook being able to snap into the slot.

[0012] In one embodiment, the plurality of terminals are respectively a positive terminal, a negative terminal, and a grounding terminal. A connecting ring is formed by bending the grounding wire. The first screw on the grounding terminal passes through the connecting ring and the grounding plate in sequence and then connects to the first threaded connection hole on the grounding terminal.

[0013] In one embodiment, the bottom of the base is provided with a through groove, and the grounding piece extends into the through groove and is in the same horizontal plane as the outer bottom of the base.

[0014] In summary, this utility model has the following beneficial effects: By using multiple elastic buckles on the outer periphery of the connector, it forms multi-point elastic clamping during insertion, effectively enhancing the mechanical engagement between the junction box and the oven mounting position. This allows it to withstand stress caused by equipment vibration and temperature changes, solving the problem of easy loosening in traditional plug-in structures. The use of a grounding plate extension structure with elastic deformation capability ensures continuous elastic pressure between its end and the oven's metal sidewall. When installed in place, the grounding plate generates constant contact pressure through elastic deformation, ensuring that the grounding circuit impedance always meets standard requirements. The cover and base form a quick-opening structure through hinges and buckles, allowing for rapid exposure of all wiring terminals during maintenance. Wire inspection can be completed without disassembling the entire junction box, improving work efficiency and installation convenience. Attached Figure Description

[0015] Figure 1 A schematic diagram of the structure of the quick-connect junction box for an oven according to an embodiment of this application. Figure 1 ;

[0016] Figure 2 A schematic diagram of the structure of the quick-connect junction box for an oven according to an embodiment of this application. Figure 2 ;

[0017] Figure 3 An exploded view of a quick-connect junction box for an oven according to an embodiment of this application;

[0018] Figure 4 This is a schematic diagram of the internal structure of the quick-connect junction box for an oven according to an embodiment of this application.

[0019] In the diagram: 1. Base; 11. Mounting slot; 12. Plug-in socket; 13. Connecting shaft; 14. V-shaped plate; 15. Elastic buckle; 2. Box cover; 3. Buckle structure; 4. Grounding plate; 5. Wiring terminal; 6. First screw; 7. Wire clamp; 71. C-shaped bayonet; 72. Connecting post; 8. Second screw; 9. Wire inlet. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] like Figures 1 to 4 As shown, an embodiment of this application provides a quick-connect junction box for an oven, including a base 1 made of insulating material, specifically ceramic or high-temperature resistant plastic. The base 1 has a wire inlet 9 and a plug-in socket 12. The plug-in socket 12 has multiple mounting slots 11, and multiple elastic clips 15 are provided on its outer periphery. The elastic clips 15 can be snapped into the mounting slots 11 of the oven. A grounding piece 4 is fixed to the base 1, one end of which is electrically connected to the grounding wire connected to the wire inlet 9, and the other end extends to one side of the base 1 and can elastically fit against the metal sidewall of the oven. Multiple terminals 5 are embedded in the mounting slots 11. Each terminal 5 includes a plug-in piece and a first threaded connection hole. The first threaded connection hole is provided with a first screw 6 for electrically connecting the power wire or grounding wire connected to the wire inlet 9 to the terminal 5. A cover 2 is hinged to one side of the base 1 on one side, and detachably connected to the other side of the base 1 via a snap-fit ​​structure 3 on the other side.

[0022] Specifically, the multiple terminals 5 are positive terminal 5, negative terminal 5 and grounding terminal 5, and a connecting ring is formed by bending the grounding wire. The first screw 6 on the grounding terminal 5 passes through the connecting ring and the grounding piece 4 in sequence and is connected to the first threaded connection hole on the grounding terminal 5.

[0023] When using the above-mentioned quick-connect junction box for the oven, the exposed ends of the positive power cord, negative power cord, and grounding wire are connected and fixed to the corresponding terminals 5 by the first screws 6, respectively. The cover 2 is rotated to close around the hinge position, and the other side is locked to the base 1 by the snap-fit ​​structure 3 to form a sealed protection. The plug 12 of the junction box is aligned with the oven mounting position, and the base 1 is pressed so that the elastic snaps 15 on the periphery are embedded into the mounting groove 11 of the oven. The mechanical locking is achieved by multi-point elastic clamping to ensure that the junction box is firmly fixed.

[0024] In the above method, multiple elastic clips 15 set around the outer periphery of the plug-in socket 12 form multi-point elastic clamping during plugging, which effectively enhances the mechanical interlocking force between the junction box and the oven mounting position, and can withstand the stress caused by equipment vibration and temperature changes, thus solving the defect of easy loosening of traditional plug-in structure; the grounding plate 4 extension structure with elastic deformation capability is adopted, and its end forms a continuous elastic pressure with the metal side wall of the oven. When installed in place, the grounding plate 4 generates constant contact pressure through elastic deformation, ensuring that the grounding circuit impedance always meets the standard requirements; the box cover 2 and the base 1 form a quick-opening structure through hinges and clips, which can quickly expose all wiring terminals 5 during maintenance, and the wire inspection can be completed without disassembling the entire junction box, which is conducive to improving work efficiency and installation convenience.

[0025] In this embodiment, a wire clamp 7 is provided on the side of the base 1 near the wire inlet 9. One end of the wire clamp 7 is provided with a C-shaped bayonet 71 and the other end is provided with a connecting post 72. A connecting shaft 13 is fixed on the base 1. The C-shaped bayonet 71 is rotatably connected to the connecting shaft 13. A flat hole is provided on the connecting post 72. A second threaded connection hole is provided on the base 1. A second screw 8 is connected between the flat hole and the second threaded connection hole. Two V-shaped plates 14 are provided on the base 1 along the extension direction of the wire inlet 9. The wire clamp 7 is located between the two V-shaped plates 14.

[0026] In the above method, the hinge between the C-shaped bayonet 71 and the connecting shaft 13 allows the wire clamp 7 to open and close quickly. The wire clamp 7 can be flipped over simply by loosening the second screw 8. The wire can be added, removed or replaced without complete disassembly, which effectively improves the convenience of operation. The V-shaped plate 14, in conjunction with the wire clamp 7, makes the guiding and pressing fixation more stable. At the same time, the wire clamp 7 is located between the two V-shaped plates 14, so that the pressure of the wire clamp 7 will not be directly applied to the V-shaped plate 14, making the wire less likely to be damaged.

[0027] In this embodiment, the snap-fit ​​structure 3 includes a slot on the base 1 and an elastic hook on the lid 2. The elastic hook can be snapped into the slot. When the lid 2 is closed, it is only necessary to press lightly against the base 1. The elastic hook will automatically snap into the slot of the base 1 after being squeezed and deformed, achieving instant locking without tools or complicated operations, which significantly improves installation efficiency.

[0028] In this embodiment, a through groove is provided at the bottom of the base 1, and the grounding piece 4 extends into the through groove and is in the same horizontal plane as the outer bottom of the base 1, ensuring full-plane contact with the metal side wall of the oven, eliminating local loose connections caused by height differences, and further increasing the grounding contact points to further avoid poor contact.

[0029] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A quick-connect junction box for an oven, characterized in that: include: The base (1) is made of insulating material and has a wire inlet (9) and a plug-in socket (12). The plug-in socket (12) has multiple mounting slots (11) and multiple elastic buckles (15) on its outer periphery. The grounding plate (4) is fixed on the base (1). One end of the plate is electrically connected to the grounding wire connected to the wire inlet (9), and the other end extends to one side of the base (1) and can be elastically fitted to the metal side wall of the oven. Multiple terminals (5) are embedded in the mounting groove (11). Each terminal (5) includes a plug-in piece and a first threaded connection hole. The first threaded connection hole is provided with a first screw (6) for connecting the power line or grounding line of the wire inlet (9) to form an electrical connection with the terminal (5). The lid (2) is hinged to one side of the base (1) and detachably connected to the other side of the base (1) via a snap-fit ​​structure (3).

2. The quick-connect junction box for an oven according to claim 1, characterized in that: A wire clamp (7) is provided on the side of the base (1) near the wire inlet (9). One end of the wire clamp (7) is provided with a C-shaped bayonet (71) and the other end is provided with a connecting post (72). A connecting shaft (13) is fixed on the base (1). The C-shaped bayonet (71) is rotatably connected to the connecting shaft (13). A flat hole is provided on the connecting post (72). A second threaded connection hole is provided on the base (1). A second screw (8) is connected between the flat hole and the second threaded connection hole. Two V-shaped plates (14) are provided on the base (1) along the extension direction of the wire inlet (9). The wire clamp (7) is located between the two V-shaped plates (14).

3. The quick-connect junction box for an oven according to claim 1, characterized in that: The buckle structure (3) includes a slot on the base (1) and an elastic hook on the lid (2), the elastic hook being able to snap into the slot.

4. The quick-connect junction box for an oven according to claim 1, characterized in that: The plurality of terminals (5) are positive terminal (5), negative terminal (5) and ground terminal (5), respectively. A connecting ring is formed by bending the ground wire. The first screw (6) on the ground terminal (5) passes through the connecting ring and the grounding plate (4) in sequence and then connects to the first threaded connection hole on the ground terminal (5).

5. The quick-connect junction box for an oven according to claim 1, characterized in that: The bottom of the base (1) is provided with a through groove, and the grounding piece (4) extends into the through groove and is in the same horizontal plane as the outer bottom of the base (1).