CN219228109U

CN219228109U - Drive power supply box free of screw assembly

Info

Publication number: CN219228109U
Application number: CN202320075068.0U
Authority: CN
Inventors: 肖韬
Original assignee: Zhongshan Xiongyuan Lighting Electrical Co ltd
Current assignee: Zhongshan Xiongyuan Lighting Electrical Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-06-20
Anticipated expiration: 2033-01-09

Abstract

The utility model discloses a screw assembly-free driving power supply box which comprises a shell and a shell cover, wherein the shell is hollow in the interior and is provided with an opening at the lower end, the shell cover is used for being covered on the lower end face of the shell, connecting pieces extending upwards are arranged at the peripheral edges of the shell cover, the connecting pieces located at the peripheral edges are respectively attached to the front, rear, left and right side walls of a circuit board, the connecting pieces are connected with the inner wall of the shell in a clamping mode, and a limiting block attached to the upper end face of the circuit board is arranged on the inner wall of the shell. The utility model solves the defect of the prior art that the bolts are needed to be connected, can effectively improve the assembly efficiency and reduce the use of the bolts.

Description

Drive power supply box free of screw assembly

Technical Field

The utility model relates to a screw assembly-free driving power supply box.

Background

The driving power box is a product for mounting a circuit board. The function is to protect the circuit board.

In the prior art, for example, the Chinese patent literature, the bulletin number is CN216203206U, and a long-service-life LED driving power supply convenient to assemble is disclosed. According to the technical scheme, when an operator installs the LED driving power supply, the operator only needs to insert a circular through hole formed in the driving power supply main body into a corresponding positioning tube in the bottom cover, then inserts and tightens a fastening bolt on the positioning tube, so that the fastening bolt compresses and limits the top end of the driving power supply main body, the driving power supply main body is fixed in the bottom cover, then covers the top cover from the top end of the bottom cover, a positioning sleeve at the corner of the inner cavity of the top cover is sleeved on the outer wall of an inner threaded tube at the corner of the inner cavity of the bottom cover, positioning between the bottom cover and the top cover is rapidly completed, then a fixing bolt is inserted from the installation through hole at the corner of the top end of the top cover, and the fixing bolt is threaded and connected into the inner threaded tube through pressing rotation, so that rapid installation and fixation between the bottom cover and the top cover are realized.

Based on the above, in the prior art, the driving power body needs to be fixed on the bottom cover by adopting the fastening bolt, and then the bottom cover and the top cover need to be continuously fixed by adopting the fixing bolt. The connection mode of the bolts is not only needed for assembling the driving power supply body, but also needed for assembling the box body, so that the whole installation process is complicated, the installation efficiency is low, and the bolts are used for solving the problems of sliding wires or rusting and the like.

For this reason, there is an urgent need for a screw assembly-free driving power supply box to solve the above-mentioned problems.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a driving power supply box free of screw assembly.

According to the driving power supply box of this purpose design exempt from screw equipment, including casing and cap, the inside cavity of casing and lower extreme opening set up, the cap is used for the lid to close on the lower terminal surface of casing, the edge is equipped with the connecting piece that upwards extends around the cap, is located around the edge the connecting piece laminate with the front and back left and right sides wall of circuit board respectively, the connecting piece with the inner wall joint of casing be equipped with the stopper that laminates mutually with the circuit board up end on the inner wall of casing.

Preferably, the connecting piece is a longitudinal rack, the longitudinal rack is attached to the side wall of the circuit board, and teeth meshed with the longitudinal rack are arranged on the inner wall of the shell.

Preferably, the connecting pieces arranged on the left side and the right side of the shell cover are longitudinal racks, the connecting pieces on the front side and the rear side are limiting elements, and the limiting elements are attached to the side walls of the circuit board.

Preferably, the limiting element is provided with a positioning groove recessed downwards, and the limiting block is embedded into the positioning groove from top to bottom and is attached to the upper end face of the circuit board.

Preferably, the left side and the right side of the shell cover are respectively provided with a mounting groove for fixed mounting.

Preferably, threading holes corresponding to the wiring elements in the circuit board are formed in the left and right side wall surfaces of the shell.

Compared with the prior art, the connecting piece extending upwards is arranged at the peripheral edge of the shell cover, the connecting piece positioned at the peripheral edge is respectively attached to the front, rear, left and right side walls of the circuit board, the connecting piece is clamped with the inner wall of the shell, and the inner wall of the shell is provided with a limiting block attached to the upper end face of the circuit board. When the assembly, assemble the circuit board from top to bottom to on the up end of cap to the lateral wall laminating of connecting piece and circuit board, after this step is accomplished, the displacement of circuit board all is restricted around, the wiring is carried out external circuit and circuit board, assemble casing and cap from top to bottom relative movement again, in-process connecting piece carries out joint cooperation with shells inner wall to realize fixed connection, after casing and cap connection, the stopper laminating is at the up end of circuit board, in order to realize cap and stopper and press from both sides circuit board tightly, in order to realize carrying out the spacing completely to the circuit board. The utility model solves the defect of the prior art that the bolts are needed to be connected, can effectively improve the assembly efficiency and reduce the use of the bolts.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is one of the exploded views of the present utility model;

FIG. 3 is a second exploded view of the present utility model;

FIG. 4 is a schematic cross-sectional view of the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4A according to the present utility model;

FIG. 6 is a second schematic cross-sectional view of the present utility model.

Detailed Description

The utility model is further described below with reference to the drawings and examples.

Referring to fig. 1-6, a driving power supply box assembled by screws comprises a casing 20 and a casing cover 10, wherein the casing 20 is hollow and is provided with an opening at the lower end, the casing cover 10 is used for covering the lower end face of the casing 20, connecting pieces 100 extending upwards are arranged at the peripheral edge of the casing cover 10 and are positioned at the peripheral edge, the connecting pieces 100 are respectively attached to the front, rear, left and right side walls of a circuit board 30, the connecting pieces 100 are connected with the inner wall of the casing 20 in a clamping manner, and limiting blocks 210 attached to the upper end face of the circuit board 30 are arranged on the inner wall of the casing 20.

When the assembly, assemble the circuit board from top to bottom to on the up end of cap to the lateral wall laminating of connecting piece and circuit board, after this step is accomplished, the displacement of circuit board all is restricted around, the wiring is carried out external circuit and circuit board, assemble casing and cap from top to bottom relative movement again, in-process connecting piece carries out joint cooperation with shells inner wall to realize fixed connection, after casing and cap connection, the stopper laminating is at the up end of circuit board, in order to realize cap and stopper and press from both sides circuit board tightly, in order to realize carrying out the spacing completely to the circuit board. The utility model solves the defect of the prior art that the bolts are needed to be connected, can effectively improve the assembly efficiency and reduce the use of the bolts.

Further, the connector 100 has four, left, right, front and rear sides provided on the cover 10, respectively.

Referring to fig. 1 to 5, the connector 100 is a longitudinal rack 120, the longitudinal rack 120 is attached to a side wall of the circuit board 30, and teeth 220 that are engaged with the longitudinal rack 120 are provided on an inner wall of the housing 20.

During assembly, the housing 20 and the housing cover 10 move up and down relatively, and during the movement, the longitudinal rack 120 is embedded into the housing 20, and the longitudinal rack 120 deforms to engage with the teeth 220. To achieve a fixed connection of the cover 10 with the housing 20.

Referring to fig. 2 and 3, the connecting pieces 100 disposed on the left and right sides of the housing cover 10 are longitudinal racks 120, the connecting pieces 100 on the front and rear sides are limiting elements 130, and the limiting elements 130 are attached to the side walls of the circuit board 30.

That is, the left and right connectors 100 are longitudinal racks 120, and the front and rear connectors 100 are stopper members 130. The longitudinal rack 120 serves as a connection fixing with the housing 20, and the limiting member 130 serves as a limit for the circuit board.

Referring to fig. 2 and 3, the limiting element 130 is provided with a positioning slot 140 recessed downward, and the limiting block 210 is embedded in the positioning slot 140 from top to bottom and is attached to the upper end surface of the circuit board 30. The limiting block 210 is embedded in the positioning groove 140, positioning assembly can be achieved, and stability is better.

Referring to fig. 1 to 3, the left and right sides of the cover 10 are respectively provided with mounting grooves 110 for fixed mounting.

Referring to fig. 1 and 2, the right and left side walls of the housing 20 are provided with threading holes 200 corresponding to the wiring members 310 of the circuit board 30. The external wiring is connected to the wiring member 310 of the circuit board 30 through the threading hole 200.

What is not described in detail in this specification is prior art known to those skilled in the art.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying the number of technical features being indicated.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a drive power supply box of exempt from screw equipment, includes casing (20) and cap (10), the inside cavity of casing (20) and lower extreme opening set up, cap (10) are used for the lid to close on the lower terminal surface of casing (20), its characterized in that: the casing cover (10) is characterized in that connecting pieces (100) extending upwards are arranged at the peripheral edges of the casing cover (10), the connecting pieces (100) located at the peripheral edges are respectively attached to the front, rear, left and right side walls of the circuit board (30), the connecting pieces (100) are connected with the inner wall of the casing body (20) in a clamping mode, and limiting blocks (210) attached to the upper end face of the circuit board (30) are arranged on the inner wall of the casing body (20).

2. A screw assembly free drive power pack as claimed in claim 1, wherein: the connecting piece (100) is a longitudinal rack (120), the longitudinal rack (120) is attached to the side wall of the circuit board (30), and teeth (220) meshed with the longitudinal rack (120) are arranged on the inner wall of the shell (20).

3. A screw assembly free drive power pack as claimed in claim 2, wherein: the connecting pieces (100) arranged on the left side and the right side of the shell cover (10) are longitudinal racks (120), the connecting pieces (100) on the front side and the rear side are limiting elements (130), and the limiting elements (130) are attached to the side walls of the circuit board (30).

4. A screw assembly free drive power pack as claimed in claim 3, wherein: the limiting element (130) is provided with a positioning groove (140) recessed downwards, and the limiting block (210) is embedded into the positioning groove (140) from top to bottom and is attached to the upper end face of the circuit board (30).

5. A screw assembly-free driving power supply box according to any one of claims 1 to 4, characterized in that: the left side and the right side of the shell cover (10) are respectively provided with a mounting groove (110) for fixed mounting.

6. A screw assembly-free driving power supply box according to any one of claims 1 to 4, characterized in that: threading holes (200) corresponding to the wiring elements (310) in the circuit board (30) are formed in the left and right side wall surfaces of the shell (20).