Oven lamp with small structure

Abstract

The utility model discloses a small-structure oven lamp, which belongs to the field of oven accessories, is used for an oven, and comprises an external terminal, a porcelain seat, a lamp cup, a G9 bulb and a lampshade, the porcelain seat, the lamp cup and the lampshade form a space for accommodating the G9 bulb, the G9 bulb is provided with a lamp bead pin, and the lamp bead pin is positioned in the porcelain seat; the external terminal and the internal contact terminal are crimped into a whole, and the external terminal is electrically connected with the lamp bead pin in the porcelain seat through the internal contact terminal. According to the technical scheme, through redesign of the external terminal, the porcelain base and the G9 bulb structure, the assembling difficulty of the structure is reduced, the assembling efficiency is improved, and the assembling quality is ensured.

Description

Technical Field

[0001] This application belongs to the field of oven accessories, and more specifically, relates to a small-structure oven light. Background Technology

[0002] Existing ovens often require an oven light for internal illumination. For example, Chinese patent publication number CN221504754U discloses an oven light for steaming and baking, and specifically discloses the following technical solution: including a glass cover, a lamp body, a grounding terminal, a metal steel ring, and a ceramic lamp holder. The lamp body is installed inside the ceramic lamp holder, which is snapped into the bottom of the metal steel ring. The glass cover and the metal steel ring are detachably connected, and the grounding terminal is connected to the metal steel ring.

[0003] See also Chinese Patent Publication No. CN214094058U, which discloses a portable high-temperature oven lamp and specifically discloses the following technical contents: including a metal shell, a ceramic lamp holder, a bulb, a glass cover, input terminals, a small metal washer and a large metal washer. There are two input terminals, both of which are riveted into the ceramic lamp holder. The ceramic lamp holder is snapped into the top of the metal shell. The bulb is inserted into the ceramic lamp holder. The small metal washer and the large metal washer are both fitted on the circumferential wall of the glass cover, with the small metal washer located on top of the large metal washer. The glass cover is threaded into the metal shell.

[0004] In the above-mentioned existing technical solutions, the terminals are mostly connected to the ceramic lamp holder by riveting. Although the above connection method can achieve a firm and stable connection, the installation process is quite cumbersome. Furthermore, the instability of the riveting tool during installation can cause damage to the ceramic lamp holder, resulting in a relatively high defect rate in the oven lamp holder manufacturing process and relatively high material costs. Summary of the Invention

[0005] The purpose of this application is to provide a small-structure oven lamp that reduces structural complexity, lowers the difficulty of assembling the above structures, improves assembly efficiency, and ensures assembly quality by redesigning the external terminals, ceramic base, and G9 bulb structure.

[0006] To achieve the above objectives, this application employs the following technical solution:

[0007] The small-structure oven lamp described in this application includes an external terminal, a ceramic base, a lamp holder, a G9 bulb, and a lampshade. The ceramic base, lamp holder, and lampshade constitute a space for accommodating the G9 bulb. The G9 bulb has bulb leads, which are inserted into the ceramic base. The external terminal and the internal contact terminal are pressed together and snapped into the ceramic base after insertion. The external terminal is electrically connected to the bulb leads in the ceramic base through the internal contact terminal. The bottom end of the bulb leads is bent to form an elastic bending rod. An elastic contact plate extending in the direction of the elastic bending rod is provided on the internal contact terminal. The elastic bending rod is electrically connected to the elastic contact plate.

[0008] As one of the preferred technical solutions, in this application, the ceramic base is machined with several lampshade snap-fit ​​grooves in the circumferential direction, and the ceramic base is snapped into the lamp cup through the lampshade snap-fit ​​grooves.

[0009] As one of the preferred technical solutions, in this application, the ceramic base is provided with a lamp bead slot for inserting a G9 bulb, a pin contact groove for inserting lamp bead pins, and a terminal slot for inserting external terminals, and the lamp bead slot, pin contact groove, and terminal slot are connected to each other.

[0010] As one of the preferred technical solutions, in this application, the G9 bulb has lamp bead locking blocks processed on both sides of the end that is inserted into the lamp bead slot, and the G9 bulb is locked to the lamp bead slot through the lamp bead locking blocks; the external terminal and the internal contact terminal are respectively locked to the terminal slot through terminal limiting pieces.

[0011] As one of the preferred technical solutions, in this application, the terminal limiting pieces are respectively located at the connection position between the external terminal and the internal contact terminal, and at the internal contact terminals on both sides of the elastic contact plate.

[0012] Compared with the prior art, the beneficial effects of this application are:

[0013] 1. In this application, the external terminal and the internal terminal can be crimped together as one piece, and the internal terminal and the external terminal can be transitionally fitted with the ceramic base through the terminal limiting piece. The internal terminal, the external terminal and the ceramic base can be snapped together by manually tapping with a tool.

[0014] 2. This application has a lampshade snap-fit ​​groove machined in the circumference of the ceramic base for the lamp cup to snap into, which facilitates the assembly of the lampshade and the ceramic base by a pneumatic pressing tool, so that the lampshade is snapped into the ceramic base and a stable connection is achieved.

[0015] 3. This application helps to improve the assembly yield of ceramic bases by reducing assembly difficulty, avoid damage to ceramic bases, ensure assembly quality, and also help to reduce material costs. Attached Figure Description

[0016] Figure 1This is a cross-sectional view of the overall structure of this application.

[0017] Figure 2 This is a three-dimensional view of the application after removing the lamp cup and lampshade.

[0018] Figure 3 This is a top view of the application after removing the lamp holder and lampshade.

[0019] Figure 4 yes Figure 3 A cross-sectional view at the position and direction shown in AA.

[0020] Figure 5 yes Figure 4 A magnified view of part I in the middle.

[0021] Figure 6 This is a three-dimensional structural diagram of the external terminals and internal contacts in this application.

[0022] Figure 7 This is a perspective view of the porcelain base in this application.

[0023] Figure 8 This is an assembly diagram of the ceramic base, external terminals, and internal contact terminals.

[0024] Figure 9 This is a diagram showing the relative positions of the G9 bulb and its LED pins with the internal and external terminals in this application.

[0025] Figure 10 This is a three-dimensional view of the overall structure of this application.

[0026] In the diagram: 1. External terminal; 2. Ceramic base; 3. Internal contact terminal; 4. Lamp cup; 5. G9 bulb; 6. Lamp cover; 7. Lamp bead pin; 8. Lamp bead pin placement cavity; 9. Lamp cover retaining groove; 10. Terminal limiting piece; 11. Lamp bead slot; 12. Pin contact groove; 13. Terminal slot; 14. Lamp bead retaining block; 15. Flexible contact plate; 16. Flexible bending rod. Detailed Implementation

[0027] The technical solutions described in this application will be further described below with reference to the accompanying drawings and embodiments.

[0028] Example 1

[0029] like Figures 1 to 10As shown, the small-structure oven lamp includes a ceramic base 2, which is connected to the bottom end of a lamp holder 4. The top end of the lamp holder 4 is connected to a lamp shade 6. The ceramic base 2, lamp holder 4, and lamp shade 6 form a space to accommodate a G9 bulb 5. The G9 bulb 5 is inserted into the ceramic base 2. An inner contact terminal 3 is provided inside the ceramic base 2. The inner contact terminal 3 is pressed together with an outer terminal 1 and snaps into the ceramic base 2 after being inserted. The outer terminal 1 is electrically connected to an external circuit. The inner contact terminal 3 can be formed into an elastic contact plate 15 by stamping. The G9 bulb 5 has a bulb lead 7. The bulb lead 7 has an elastic bending rod 16 that elastically contacts the elastic contact plate 15 and forms an elastic deformation. After the elastic bending rod 16 elastically contacts the elastic contact plate 15, a stable electrical connection is achieved.

[0030] Example 2

[0031] See also Figures 1 to 10 A small-structure oven lamp, wherein the ceramic base 2 has a lamp bead slot 11 for inserting a G9 bulb 5, a pin contact groove 12 for placing the pins of the lamp bead 7, and a terminal slot 13 for placing an external terminal 1. The lamp bead slot 11, pin contact groove 12, and terminal slot 13 are connected in sequence. The G9 bulb 5 has lamp bead locking blocks 14 on both sides of the end that is inserted into the lamp bead slot 11, so that the G9 bulb 5 can be locked into the lamp bead slot 11 through the lamp bead locking blocks 14. An external terminal 1 and an internal contact terminal 3 are inserted into the terminal slot 13. The internal contact terminal 3 is located at the top of the external terminal 1. The external terminal 1 extends out of the ceramic base 2 and is electrically connected to an external circuit. The external terminal 1 and the internal contact terminal 3 are locked into the terminal slot 13 by terminal limiting pieces 10 at their respective positions. The ceramic base 2 is circumferentially machined with several lampshade locking grooves 9 for locking with the lamp cup 4. The terminal limiting pieces 10 are located at the connection position of the elastic contact plate 15, the external terminal 1, and the internal contact terminal 3.

[0032] The remaining structures and connections are the same as those described in Embodiment 1. To avoid unnecessary detail, they will not be repeated here. Those skilled in the art can understand the technical content described in this embodiment based on Embodiment 1.

[0033] Based on the above embodiments, the following paragraphs will continue to describe in detail the technical features involved and the functions and roles of these technical features in this technical solution, so as to help those skilled in the art to fully understand the technical solution and reproduce it.

[0034] In this application, the external terminal 1 is made of stainless steel, which has good toughness and can be connected to an external power supply circuit to power the small oven light.

[0035] In this application, the external terminal 1 and the internal contact terminal 3 are crimped together using a terminal crimping machine to form an integral structure, as shown below. Figure 6 , Figure 8 , Figure 9 As shown, at the connection point between the external terminal 1 and the internal terminal 3, the internal terminal 3 has terminal limiting pieces 10 with claw structures processed on both sides of the elastic contact plate 15. The internal terminal 3 is first assembled with the ceramic base 2 through a transition fit via the terminal limiting pieces 10. After assembly, the terminal limiting pieces 10 are deformed by hand tools to achieve a snap-fit ​​with the ceramic base 2. See details. Figure 6 In this application, the terminal limiting piece 10 is presented in two forms. The first form of the terminal limiting piece 10 is located at the connection position between the external terminal 1 and the internal contact terminal 3. Its longitudinal cross-section is a horizontally placed L-shaped structure, which facilitates interference fit with the inserted terminal insertion slot 13 after deformation. The second form of the terminal limiting piece 10 is located on both sides of the elastic contact plate 15. It is first bent from the internal contact terminal 3 at the location towards the elastic contact plate 15, and after bending, it is stamped to form an outwardly folded claw plate structure. Through the above structure, the locking and limiting with the terminal insertion slot 13 at the location can be increased, and at the same time, the limiting of the elastic bending rod 16 can be achieved, ensuring the contact between the elastic contact plate 15 and the elastic bending rod 16.

[0036] In this application, the inner contact terminal 3 has an elastic contact plate 15 extending in the direction of the lamp bead pin 7, and the elastic contact plate 15 is an elastic plate body.

[0037] See Figure 9 In this application, the G9 bulb 5 has a bulb pin 7, which is bent at the end to form an elastic bending rod 16. The bulb pin 7 is in elastic contact with the elastic contact plate 15 through the elastic bending rod 16, which not only ensures the stability of the contact between the two, but also achieves an effective electrical connection, ensuring the power supply of the G9 bulb 5.

[0038] See also in this application. Figure 1 The lamp cup 4 can be snapped into the lamp cover snap-fit ​​groove 9 on the outer side of the ceramic base 2 by a pneumatic pressing tool, so as to achieve a firm snap-fit ​​between the lamp cup 4 and the ceramic base 2.

[0039] The lamp cup 4 has a lamp cover 6 at the top opening position. The lamp cover 6 is inserted into the top opening of the lamp cup 4 and is stably connected by a threaded protrusion.

[0040] In this application, the ceramic base 2 has a lamp bead slot 11 machined in the middle for insertion into the G9 bulb 5. The G9 bulb 5 has several lamp bead retaining blocks 14 integrally formed on both sides of the insertion end, and the G9 bulb 5 is engaged with the lamp bead slot 11 via the lamp bead retaining blocks 14. The ceramic base 2 also has symmetrically arranged pin contact grooves 12 and terminal slots 13 inside. The pin contact grooves 12 and 13 are connected, and the pin contact grooves 12 are also connected to the lamp bead slots 11. The pin contact grooves 12 enable contact between the elastic contact plate 15 and the elastic bending rod 16, and the terminal slots 13 enable insertion and engagement of the external terminal 1, the internal contact terminal 3, and the ceramic base 2.

[0041] Before production, the inner contact terminal 3 and the outer contact terminal 1 need to be crimped together to form a single unit. The assembly of the outer contact terminal 1 and the inner contact terminal 3 is then inserted into the pin contact groove 12 and the terminal slot 13 of the ceramic base 2. The terminal limiting piece 10 is then engaged with the ceramic base 2 using a hand tool. Production personnel can then manually insert the G9 bulb 5 directly into the ceramic base 2. At this time, the bulb bead pin 7 of the G9 bulb 5 can be electrically connected to the inner contact terminal 3, and the lamp cover 6 can be manually screwed directly into the lamp cup 4, completing the installation of the entire small oven lamp structure.

[0042] Finally, although this application uses the preferred embodiment to describe the technical solution, those skilled in the art can rearrange and combine the technical solution of this application under the conditions of the prior art they have mastered. Such rearrangement and combination should be understood as still within the protection scope of this application and protected by this application.

Claims

1. A small-structure oven light, comprising an external terminal (1), a ceramic base (2), a lamp holder (4), a G9 bulb (5), and a lampshade (6), wherein the ceramic base (2), the lamp holder (4), and the lampshade (6) constitute a space for accommodating the G9 bulb (5), characterized in that: The G9 bulb (5) has a bulb pin (7), which is inserted into the ceramic base (2); the external terminal (1) and the internal contact terminal (3) are pressed together and snapped into the ceramic base (2) after being inserted into the ceramic base (2); the external terminal (1) is electrically connected to the bulb pin (7) in the ceramic base (2) through the internal contact terminal (3); the bottom end of the bulb pin (7) is bent to form an elastic bending rod (16); the internal contact terminal (3) is provided with an elastic contact plate (15) extending in the direction of the elastic bending rod (16); the elastic bending rod (16) is electrically connected to the elastic contact plate (15).

2. The small-structure oven light according to claim 1, characterized in that: The ceramic base (2) has several lampshade snap-fit ​​grooves (9) machined in the circumferential direction, and the ceramic base (2) is snapped into the lamp cup (4) through the lampshade snap-fit ​​grooves (9).

3. The small-structure oven light according to claim 1, characterized in that: The ceramic base (2) is provided with a lamp bead slot (11) for inserting the G9 bulb (5), a pin contact groove (12) for inserting the lamp bead pin (7), and a terminal slot (13) for inserting the external terminal (1). The lamp bead slot (11), pin contact groove (12), and terminal slot (13) are connected.

4. The small-structure oven light according to claim 3, characterized in that: The G9 bulb (5) has bulb clips (14) on both sides of the end of the bulb inserted into the bulb slot (11). The G9 bulb (5) is connected to the bulb slot (11) through the bulb clips (14). The external terminal (1) and the internal terminal (3) are connected to the terminal slot (13) through the terminal limiting piece (10).

5. The small-structure oven light according to claim 4, characterized in that: The terminal limiting piece (10) is located at the connection position between the external terminal (1) and the internal contact terminal (3), and at the internal contact terminal (3) on both sides of the elastic contact plate (15).

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