Driving power supply structure

Abstract

The utility model discloses a driving power supply structure which comprises a shell with an opening in the top surface and a surface cover arranged at the opening of the shell, a circuit board is arranged in the shell, and U-shaped clamping grooves are formed in the symmetrical side walls of the shell; the circuit board is connected with an input wire and an output wire. Waterproof joints are arranged on the input electric wire and the output electric wire; the input end of the input wire is provided with three wires, the output end of the waterproof joint of the input wire is provided with two wires, and the ground wire of the input wire is bent in the waterproof joint of the input wire and independently and reversely extends out of the shell. According to the utility model, the structural arrangement is reasonable, the input ends of the input wire are three wires, the output ends of the waterproof joint of the input wire are two wires, and the ground wire of the input wire is bent in the waterproof joint of the input wire and independently and reversely extends out of the shell, so that the ground wire connection operation is convenient, and a tension test is not needed when the ground wire is connected; and convenience and stability of ground wire connection can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lamp power supplies, and particularly relates to a driving power supply structure. Background Art

[0002] When a lamp is in use, it needs to be used in cooperation with a driving power supply. In the prior art, the driving power supply includes a power supply box, a driving circuit board located in the power supply box, and input and output terminals. And in the actual application process, the ground wire connection is relatively inconvenient. When installing the ground wire, a separate tensile test is required. Not only is the operation relatively inconvenient, increasing the effectiveness of the ground wire installation, but also its overall sealing performance is limited. Therefore, its applicability and practicability are restricted. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a driving power supply structure with reasonable structural settings and beneficial to improving the installation convenience.

[0004] The technical solution for achieving the purpose of the utility model is a driving power supply structure, which includes a housing with an open top surface and a face cover arranged at the opening of the housing. A circuit board is arranged in the housing, and U-shaped card slots are arranged on the symmetric side walls of the housing;

[0005] An input wire and an output wire are connected to the circuit board;

[0006] Waterproof connectors are arranged on the input wire and the output wire;

[0007] The input end of the input wire is three-wire, the output end of the waterproof connector of the input wire is two-wire, and the ground wire of the input wire is bent within the waterproof connector of the input wire and extends out of the housing separately and reversely.

[0008] Further preferably: Pressing convex pieces matched with the U-shaped card slots are arranged at both ends of the face cover;

[0009] An annular card slot is arranged on the outer wall of the waterproof connector;

[0010] The slot wall of the U-shaped card slot and the pressing convex piece are respectively clamped into the annular card slot, and the pressing convex piece and the U-shaped card slot are ultrasonically welded and sealed.

[0011] Further preferably: U-shaped wire clamping protrusions are respectively arranged at both ends of the inner cavity bottom wall of the housing;

[0012] Two wire clamping blocks matched with the U-shaped wire clamping protrusions are integrally formed on the bottom surface of the face cover;

[0013] The input wire and the output wire at both ends of the circuit board are clamped and positioned between the U-shaped wire clamping protrusion and the wire clamping block.

[0014] Further preferably, a clamping groove is provided at the upper part of the inner wall of the housing;

[0015] The edge of the face cover abuts against the clamping groove and is fixed by ultrasonic welding and sealing.

[0016] Further preferably, the width of the annular clamping groove matches the wall thickness of the U-shaped clamping groove.

[0017] Further preferably, both the housing and the face cover are plastic structures.

[0018] The utility model has positive effects: The structure of the utility model is reasonably arranged. The input end of the input wire is three-wire, and the output end of the waterproof joint of the input wire is two-wire. The ground wire of the input wire is bent inside the waterproof joint of the input wire and extends out of the housing separately in the reverse direction, so as to facilitate the operation of connecting the ground wire, and there is no need to conduct a tensile test during the connection of the ground wire, which is beneficial to improving the convenience and stability of the ground wire connection;

[0019] At the same time, there is a pressing convex piece on the bottom surface of the face cover that matches the U-shaped clamping groove. A ring-shaped clamping groove is provided on the outer wall of the waterproof joint. During installation, the groove wall of the U-shaped clamping groove and the pressing convex piece are both clamped into the ring-shaped clamping groove, and the U-shaped clamping groove and the pressing convex piece are ultrasonically welded and sealed, which is beneficial to improving the use stability and the sealing and waterproof performance, and there is no need to seal with glue, which is beneficial to reducing the processing cost and has strong practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to make the content of the utility model easier to be clearly understood, the following further details the utility model according to specific embodiments and in conjunction with the drawings, wherein:

[0021] Figure 1 is a schematic structural diagram of the utility model;

[0022] Figure 2 is a schematic diagram of the split structure of the utility model;

[0023] Figure 3 is a schematic structural diagram of the housing, the face cover and the waterproof joint in the utility model;

[0024] Figure 4 is a schematic structural diagram of the specific face cover in the utility model.

[0025] Reference numerals: housing 1, face cover 2, circuit board 3, U-shaped clamping groove 4, input wire 5, output wire 6, waterproof joint 7, pressing convex piece 8, annular clamping groove 9, U-shaped wire clamping protrusion 10, wire clamping block 11, clamping groove 12, ground wire 13. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0027] Embodiment

[0028] See Figures 1 to 4 As shown, a driving power supply structure includes a housing 1 with an open top surface and a face cover 2 provided at the opening of the housing. A circuit board 3 is provided inside the housing, and U-shaped card slots 4 are provided on the symmetric side walls of the housing. In this embodiment, both the housing and the face cover are plastic structures. The circuit board is a conventional structure in the prior art and is only simply applied, so it is not described in detail.

[0029] During actual application, an input wire 5 and an output wire 6 are connected to the circuit board; waterproof connectors 7 are provided on the input wire and the output wire; during installation, the waterproof connectors are located inside the U-shaped card slots. And in this embodiment, the input end of the input wire is three-wire, the output end of the waterproof connector of the input wire is two-wire, and the ground wire 13 of the input wire is bent inside the waterproof connector of the input wire and extends out of the housing separately in the reverse direction. The ground wire enters from the input end and is bent and extends out of the housing reversely at the waterproof connector, thus facilitating the connection of the ground wire. At the same time, a tensile test is not required when connecting the ground wire, improving the convenience of connection, with strong applicability and good practicability.

[0030] In this embodiment, pressing tabs 8 that cooperate with the U-shaped card slots are provided at both ends of the face cover; during actual application, an annular card slot 9 is provided on the outer wall of the waterproof connector; the width of the annular card slot matches the wall thickness of the U-shaped card slot. During assembly, the wall of the U-shaped card slot is snapped into the annular card slot, which is beneficial to improving the sealing performance. The wall of the U-shaped card slot and the pressing tabs are respectively snapped into the annular card slot, and the pressing tabs and the U-shaped card slot are ultrasonically welded and sealed. It can improve the convenience of installation and the sealing and waterproof performance of installation.

[0031] During actual application, U-shaped wire clamping protrusions 10 are respectively provided at both ends of the inner cavity bottom wall of the housing; and two wire clamping blocks 11 that cooperate with the U-shaped wire clamping protrusions are integrally formed on the bottom surface of the face cover; during installation, the input wire and the output wire at both ends of the circuit board are clamped and positioned between the U-shaped wire clamping protrusions and the wire clamping blocks. Through the above structure, the clamping and positioning of the input wire and the output wire can be ensured, preventing them from loosening or falling off, and it is also beneficial to improving the tensile performance, with strong practicability.

[0032] In this embodiment, a clamping groove 12 is provided at the upper part of the inner wall of the housing; the edge of the face cover abuts against the clamping groove and is fixed by ultrasonic welding and sealing. Through the above structure, it is beneficial to increase the contact area between the face cover and the housing, and improve the sealing performance and reliability of the connection.

[0033] The utility model has positive effects: The structure of the utility model is reasonably arranged. The input end of the input wire has three wires, and the output end of the waterproof joint of the input wire has two wires. The ground wire of the input wire is bent inside the waterproof joint of the input wire and extends out of the housing separately in the reverse direction, so as to facilitate the operation of connecting the ground wire, and no tensile test is required during the connection of the ground wire, which is beneficial to improving the convenience and stability of the ground wire connection;

[0034] At the same time, there is a pressing lug on the bottom surface of the face cover that cooperates with the U-shaped clamping groove. An annular clamping groove is provided on the outer wall of the waterproof joint. During installation, the groove wall of the U-shaped clamping groove and the pressing lug are both clamped into the annular clamping groove, and the U-shaped clamping groove and the pressing lug are sealed by ultrasonic welding, which is beneficial to improving the use stability and the sealing and waterproof performance, and there is no need to seal with glue, which is beneficial to reducing the processing cost and has strong practicability.

[0035] The standard parts used in this embodiment can be directly purchased from the market. For the non-standard structural components described in the specification, they can also be directly processed according to the existing technical knowledge without any doubt. At the same time, the connection methods of each component adopt the mature conventional means in the existing technology, and the machines, parts and equipment all adopt the conventional models in the existing technology, so no specific description will be made here.

[0036] Obviously, the above embodiments of the present utility model are only examples for clearly illustrating the present utility model, rather than limiting the embodiments of the present utility model. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all the embodiments here. And these obvious changes or modifications derived from the essential spirit of the present utility model still belong to the protection scope of the present utility model.

Claims

1. A driving power supply structure, comprising a housing with an open top surface and a face cover disposed at the opening of the housing, wherein a circuit board is arranged inside the housing, and is characterized in that: U-shaped card slots are provided on the symmetric side walls of the housing; Input wires and output wires are connected to the circuit board; Waterproof connectors are provided on the input wires and output wires; The input end of the input wire is three-wire, the output end of the waterproof connector of the input wire is two-wire, and the ground wire of the input wire is bent within the waterproof connector of the input wire and extends out of the housing separately and reversely.

2. The drive power supply structure according to claim 1, characterized in that: Pressing tabs that cooperate with the U-shaped card slots are provided at both ends of the face cover; Annular card slots are provided on the outer wall of the waterproof connector; The groove walls of the U-shaped card slots and the pressing tabs are respectively inserted into the annular card slots, and the pressing tabs and the U-shaped card slots are ultrasonically welded and sealed.

3. The driving power supply structure according to claim 1, wherein: U-shaped wire clamping protrusions are respectively provided at both ends of the inner cavity bottom wall of the housing; Two wire clamping blocks that cooperate with the U-shaped wire clamping protrusions are integrally formed on the bottom surface of the face cover; The input wires and output wires at both ends of the circuit board are clamped and positioned between the U-shaped wire clamping protrusions and the wire clamping blocks.

4. A driving power supply structure according to claim 1, characterized in that: Positioning grooves are provided in the upper part of the inner wall of the housing; The edge of the face cover abuts in the positioning grooves and is ultrasonically welded and sealed and fixed.

5. A driving power supply structure according to claim 2, characterized in that: The width of the annular card slot matches the wall thickness of the U-shaped card slot.

6. The driving power supply structure according to claim 1, characterized in that: Both the housing and the face cover are plastic structures.

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