Pluggable multi-contact plug for cabinet lamp
By designing a combination structure of trapezoidal blocks and flexible contacts, the problem of convenient connection and stability of multi-contact plugs in cabinet lights was solved, achieving both convenient connection and improved stability.
Patent Information
- Application Number
- CN202520064050.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Existing multi-contact plugs are not convenient for connecting cabinet lights with multiple contacts, and the contact points are prone to detachment due to external forces, affecting the stability of the cabinet lights.
A plug-in multi-contact plug for cabinet lights was designed. It achieves convenient connection through the combination of trapezoidal blocks and elastic contacts, and prevents the contact points from disengaging due to external forces through the cooperation of limit blocks and springs, thereby enhancing stability.
It achieves convenient multi-contact connection, improves the stability of cabinet light use, prevents contact points from detaching due to external forces, and enhances the durability and stability of the connection.
Smart Images

Figure CN223595863U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of multi-contact plug technology, specifically a plug-in multi-contact plug for cabinet lights. Background Technology
[0002] A lamp tube plug, also known as a blind end or sealing end, is a device used to seal the end of a lamp tube or pipe. Its main function is to prevent external factors such as dust and moisture from entering the lamp tube, thereby protecting the electronic components inside the lamp tube from damage. For LED lamp tubes, the plug can also prevent short circuits and water ingress, ensuring the normal operation of the lamp tube. Traditional plugs are mostly single-contact, which are prone to poor contact and cause the light to not turn on. In order to improve this situation, a pluggable multi-contact plug for cabinet lights is proposed.
[0003] As disclosed in the patent announcement CN220061670U, a lamp tube plug structure includes a circuit board with two pairs of vertically outward-facing terminals facing away from the open end of the housing. A mounting hole is provided at the bottom of the housing for the terminals to extend to the outside. Inside the housing, a connecting piece is provided with a connecting protrusion that can electrically connect to an electrical contact on the circuit board to form a circuit. A conductive wire is connected to the connecting piece for electrical connection to the light-emitting element inside the lamp tube. A switch lever is provided inside the housing, with its inner end rotatably mounted on the housing and its outer end extending from a clearance opening on the outer circumference of the housing to the outside.
[0004] Although it has achieved a simpler and more reasonable structural design, it is more convenient to operate and use, and it can better reduce risks and avoid electric shock.
[0005] However, this does not solve the problem that the existing multi-contact plugs are not convenient for connecting cabinet lights to multiple contacts during use, nor do they prevent the contact points from detaching from the cabinet light due to external forces, thus affecting the stability of the cabinet light's use. Utility Model Content
[0006] The purpose of this utility model is to provide a pluggable multi-contact plug for cabinet lights, so as to solve the problem in the background art that the multi-contact plug is not convenient for multi-contact connection of cabinet lights, and is not conducive to preventing the connection points from detaching from the cabinet lights due to external forces, thus affecting the stability of the cabinet lights.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a pluggable multi-contact plug for a cabinet light, comprising a light tube and an inner groove. The inner groove is installed inside the light tube, and an outer groove is installed at the top of the light tube. A limiting groove is provided inside the outer groove. An L-shaped plate is provided outside the light tube. A plug-in block is installed on the side wall of the L-shaped plate and is fixedly connected to the L-shaped plate. A trapezoidal block is installed on the side wall of the L-shaped plate on one side of the plug-in block and is fixedly connected to the L-shaped plate. T-shaped grooves are symmetrically installed on the inner wall of the plug-in block, and a PCB board is provided inside the plug-in block.
[0008] Preferably, T-shaped strips are symmetrically installed on the sidewalls of the PCB board, and the T-shaped strips are slidably connected to the T-slots.
[0009] Preferably, two sets of elastic contacts are symmetrically installed on the top of the PCB board, and the elastic contacts are fixedly connected to the PCB board.
[0010] Preferably, a connecting wire is installed on the top of the PCB board on one side of the elastic contact, and the connecting wire is fixedly connected to the PCB board.
[0011] Preferably, the trapezoidal block has multiple sets of springs installed inside it at equal intervals, and the springs are fixedly connected to the trapezoidal block.
[0012] Preferably, a limit block is provided inside the trapezoidal block below the spring, and the limit block is fixedly connected to the spring.
[0013] Preferably, the limiting block is slidably connected to the trapezoidal block, and the limiting block is slidably connected to the limiting groove.
[0014] Preferably, a pull rod is installed at the top of the limiting block, and the pull rod is slidably connected to the trapezoidal block.
[0015] Compared with the prior art, the beneficial effects of this utility model are: the multi-contact plug not only realizes convenient multi-contact connection of cabinet lights, which helps to prevent the connection points from detaching from the cabinet lights due to external forces, but also improves the stability of the cabinet lights in use.
[0016] Align the T-shaped strip with the T-slot, move the PCB board, and the PCB board will drive the T-shaped strip to move inside the T-slot to install the PCB board inside the plug-in block. The limiting cooperation between the T-shaped strip and the T-slot increases the stability of the PCB board inside the plug-in block. Move the L-shaped plate to insert the plug-in block into the inner slot, and insert the trapezoidal block into the outer slot. The elastic contacts are used to connect to the cabinet light. The elastic contacts have a multi-set design, which can increase the conductive area and make the contact more stable. The front end of the trapezoidal block has a slope design, which makes the insertion smoother. It will not deform after repeated insertion and removal, making it more durable. Then connect the connecting wire to the power supply to complete the use of the cabinet light. This realizes convenient multi-contact connection of the cabinet light and improves the stability of the cabinet light.
[0017] When the trapezoidal block is inserted into the outer groove, the spring's elasticity causes the limiting block to move downwards and lock into the limiting groove, making the L-shaped plate and the light tube more tightly connected and preventing them from detaching due to external forces. When it is necessary to separate the L-shaped plate from the light tube, the pull rod is pulled, causing the limiting block to squeeze the spring and pull the limiting block out of the limiting groove, thus separating the limiting block from the limiting groove and detaching the L-shaped plate from the light tube. This prevents the contact point from detaching from the cabinet light due to external forces and improves the stability of the connection between the elastic contact point and the cabinet light. Attached Figure Description
[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0019] Figure 2 This is a three-dimensional exploded structure diagram of the present invention;
[0020] Figure 3 This is a side view sectional structural diagram of the trapezoidal block of this utility model;
[0021] Figure 4 This is a three-dimensional perspective structural diagram of the trapezoidal block of this utility model;
[0022] Figure 5 This is a three-dimensional structural diagram of the lamp tube of this utility model.
[0023] In the diagram: 1. Lamp tube; 2. L-shaped plate; 3. Trapezoidal block; 4. Connector block; 5. T-slot; 6. T-strip; 7. PCB board; 8. Elastic contact; 9. Connecting wire; 10. Pull rod; 11. Spring; 12. Limiting block; 13. Limiting slot; 14. Inner slot; 15. Outer slot. Detailed Implementation
[0024] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.
[0025] Please see Figure 1-5 An embodiment of this utility model provides: a plug-in multi-contact plug for a cabinet light, including a lamp tube 1 and an inner groove 14. The inner groove 14 is installed inside the lamp tube 1, and an outer groove 15 is installed at the top of the lamp tube 1. A limiting groove 13 is provided inside the outer groove 15. An L-shaped plate 2 is provided outside the lamp tube 1. A plug-in block 4 is installed on the side wall of the L-shaped plate 2 and is fixedly connected to the L-shaped plate 2. A trapezoidal block 3 is installed on the side wall of the L-shaped plate 2 on one side of the plug-in block 4 and is fixedly connected to the L-shaped plate 2. T-shaped grooves 5 are symmetrically installed on the inner wall of the plug-in block 4. A PCB board 7 is provided inside the plug-in block 4.
[0026] Align the T-shaped strip 6 with the T-slot 5, move the PCB board 7, and the PCB board 7 will drive the T-shaped strip 6 to move inside the T-slot 5 to install the PCB board 7 inside the plug-in block 4. The limiting cooperation between the T-shaped strip 6 and the T-slot 5 will increase the stability of the PCB board 7 inside the plug-in block 4. Move the L-shaped plate 2 and insert the plug-in block 4 into the inner groove 14. Insert the trapezoidal block 3 into the outer groove 15. The elastic contact 8 will connect to the cabinet light. The elastic contact 8 has a multi-set design, which can increase the conductive area and make the contact more stable. The front end of the trapezoidal block 3 is designed with a slope, which makes the insertion smoother. It will not deform after repeated insertion and removal and is more durable. Then connect the connecting wire 9 to the power supply to complete the use of the cabinet light. This realizes convenient multi-contact connection of the cabinet light and improves the stability of the cabinet light.
[0027] T-shaped strips 6 are symmetrically installed on the side wall of PCB board 7, and the T-shaped strips 6 are slidably connected to the T-shaped grooves 5;
[0028] Two sets of elastic contacts 8 are symmetrically installed on the top of the PCB board 7, and the elastic contacts 8 are fixedly connected to the PCB board 7. A connecting line 9 is installed on the top of the PCB board 7 on one side of the elastic contacts 8, and the connecting line 9 is fixedly connected to the PCB board 7.
[0029] Multiple sets of springs 11 with equal spacing are installed inside the trapezoidal block 3, and the springs 11 are fixedly connected to the trapezoidal block 3. A limit block 12 is provided inside the trapezoidal block 3 below the springs 11, and the limit block 12 is fixedly connected to the springs 11.
[0030] The limiting block 12 is slidably connected to the trapezoidal block 3, and the limiting block 12 is slidably connected to the limiting groove 13. A pull rod 10 is installed at the top of the limiting block 12, and the pull rod 10 is slidably connected to the trapezoidal block 3.
[0031] When the trapezoidal block 3 is inserted into the outer groove 15, under the elastic action of the spring 11, the spring 11 drives the limiting block 12 to move downward and get stuck inside the limiting groove 13, so that the L-shaped plate 2 and the lamp tube 1 are connected more tightly and prevented from being separated due to external force. When it is necessary to separate the L-shaped plate 2 from the lamp tube 1, pull the pull rod 10, and the pull rod 10 drives the limiting block 12 to squeeze the spring 11, pull the limiting block 12 out of the limiting groove 13, so that the limiting block 12 is separated from the limiting groove 13, thereby separating the L-shaped plate 2 from the lamp tube 1, preventing the contact point from being separated from the cabinet light due to external force, and improving the stability of the connection between the elastic contact point and the cabinet light.
[0032] Working principle: Align the T-shaped strip 6 with the T-slot 5, move the PCB board 7, and the PCB board 7 will drive the T-shaped strip 6 to move inside the T-slot 5 to install the PCB board 7 inside the connector block 4. The limiting cooperation between the T-shaped strip 6 and the T-slot 5 increases the stability of the PCB board 7 inside the connector block 4. Move the L-shaped plate 2 to insert the connector block 4 into the inner slot 14, and insert the trapezoidal block 3 into the outer slot 15. The elastic contact 8 connects to the cabinet light. The elastic contact 8 has a multiple set design, which increases the conductive area and makes the contact more stable. The front end of the trapezoidal block 3 is designed with a slope, making the insertion smoother. It will not deform after repeated insertion and removal, making it more durable. Finally, connect the connecting wire 9 to the power supply to complete the use of the cabinet light. When the trapezoidal block 3 is inserted into the outer groove 15, under the elastic action of the spring 11, the spring 11 drives the limiting block 12 to move downward and lock into the limiting groove 13, so that the L-shaped plate 2 and the lamp tube 1 are connected more tightly and prevented from being separated due to external force. When it is necessary to separate the L-shaped plate 2 from the lamp tube 1, pull the pull rod 10, and the pull rod 10 drives the limiting block 12 to squeeze the spring 11, pull the limiting block 12 out of the limiting groove 13, so that the limiting block 12 is separated from the limiting groove 13, thereby separating the L-shaped plate 2 from the lamp tube 1, preventing the connection point from being separated from the cabinet light due to external force, thereby improving the stability of the connection between the elastic contact and the cabinet light. The above is the complete usage of the plug-in multi-contact plug for cabinet lights.
[0033] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any indirect modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.
Claims
1. A pluggable multi-contact plug for a cabinet light, comprising a light tube (1) and an inner groove (14), characterized in that: The lamp tube (1) has an inner groove (14) installed inside, and an outer groove (15) installed at the top of the lamp tube (1). The outer groove (15) has a limiting groove (13) inside. An L-shaped plate (2) is provided on the outside of the lamp tube (1). A plug-in block (4) is installed on the side wall of the L-shaped plate (2) and the plug-in block (4) is fixedly connected to the L-shaped plate (2). A trapezoidal block (3) is installed on the side wall of the L-shaped plate (2) on one side of the plug-in block (4) and the trapezoidal block (3) is fixedly connected to the L-shaped plate (2). T-shaped grooves (5) are symmetrically installed on the inner wall of the plug-in block (4). A PCB board (7) is provided inside the plug-in block (4).
2. The plug-in multi-contact plug for a cabinet light according to claim 1, characterized in that: T-shaped strips (6) are symmetrically installed on the side wall of the PCB board (7), and the T-shaped strips (6) are slidably connected to the T-shaped grooves (5).
3. The plug-in multi-contact plug for a cabinet light according to claim 1, characterized in that: Two sets of elastic contacts (8) are symmetrically installed on the top of the PCB board (7), and the elastic contacts (8) are fixedly connected to the PCB board (7).
4. A plug-in multi-contact plug for a cabinet light according to claim 3, characterized in that: A connecting line (9) is installed on the top of the PCB board (7) on one side of the elastic contact (8), and the connecting line (9) is fixedly connected to the PCB board (7).
5. A plug-in multi-contact plug for a cabinet light according to claim 1, characterized in that: The trapezoidal block (3) is equipped with multiple sets of springs (11) at equal intervals, and the springs (11) are fixedly connected to the trapezoidal block (3).
6. A pluggable multi-contact plug for a cabinet light according to claim 5, characterized in that: A limit block (12) is provided inside the trapezoidal block (3) below the spring (11), and the limit block (12) is fixedly connected to the spring (11).
7. A pluggable multi-contact plug for a cabinet light according to claim 6, characterized in that: The limiting block (12) is slidably connected to the trapezoidal block (3), and the limiting block (12) is slidably connected to the limiting groove (13).
8. A pluggable multi-contact plug for a cabinet light according to claim 6, characterized in that: The top of the limiting block (12) is equipped with a pull rod (10), and the pull rod (10) is slidably connected to the trapezoidal block (3).
Citation Information
Patent Citations
Lamp tube plug structure
CN220061670U