LED power supply structure shell and LED power supply structure

Abstract

The utility model discloses an LED power supply structure shell and an LED power supply structure, the two side walls of the middle part in an upper cover are respectively and fixedly connected with a clamping block, a fixed box is fixedly connected on the inner wall of a lower shell, a sliding box is arranged in the fixed box in a sliding manner, the lower shell is spirally connected with a screw, and the upper cover is fixedly connected with the upper cover. One side of the sliding box is connected with the inner wall of the fixed box through a spring, the other side of the sliding box is tightly attached to a screw penetrating through the lower shell, a wedge block is fixedly connected into the sliding box, the sliding box is driven by the wedge block to overcome the elastic force of the spring and then slides, then the clamping block continues to move downwards, and after the wedge block is aligned with a hole in the clamping block, the clamping block is clamped in the hole. The clamping block and the wedge block lose the extrusion relation, the clamping block is inserted into the hole of the clamping block under the action of the elastic force of the spring, then locking of the upper cover and the lower shell is completed, during maintenance, the screw is screwed, the sliding box slides inwards, the clamping block and the wedge block lose the clamping relation, the upper cover and the lower shell can be separated, and economic losses caused by damage of the wedge block strip are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to LED electronic technical field, concretely relates to a kind of LED power supply structure shell and LED power supply structure. BACKGROUND

[0002] Printed circuit board (Printed Circuit Board, PCB board for short) is the important electronic component of LED power supply, is the support body of electronic component, and is also the carrier of electrical connection of electronic component. The common LED power supply structure shell currently, including upper cover and lower shell, PCB board is located on the lower shell, wherein, 4 studs are provided on the upper cover, the stud is matched with screw, to fix the upper cover and lower shell, 4 studs are provided on the lower shell, the stud is matched with screw, to fix PCB board on the lower shell.

[0003] In order to facilitate screw to be rotated into stud, snap-fit mechanism is often provided between upper cover and lower shell, but the snap-fit mechanism in the prior art adopts the way of wedge block strip deformation insertion into card strip and snap-fit, this way can stably position and lock upper cover and lower shell with each other, but this positioning and locking mode is extremely easy to damage wedge block strip when maintenance and disassembly, cause economic loss of shell replacement, and shell is generally difficult to purchase alone, even need to replace the whole power supply structure, cause great loss (the wedge block strip locking and positioning structure diagram reference Figure 1 )。 UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of LED power supply structure shell and LED power supply structure to solve the above-mentioned deficiencies in prior art.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of LED power supply structure shell, comprising: upper cover and lower shell, one card block is fixedly connected on the two side walls of the middle part in the upper cover, one locking and positioning assembly matched with card block is provided on the side wall of the middle part in the lower shell, the locking and positioning assembly includes fixed box, the fixed box is fixedly connected on the inner wall of lower shell, sliding box is slidably arranged in the fixed box, screw is spirally connected on the lower shell, one side of the sliding box is connected with the inner wall of fixed box by spring, the other side of the sliding box is tightly attached with screw passing through lower shell, wedge block is fixedly connected in the sliding box, the card block is extruded wedge block after overcoming the elastic force of spring, and sliding is generated, so that the wedge block is inserted into card block.

[0006] Further, the lower end of the upper cover is provided with recess, and the top end of the lower shell is fixedly connected with the convex rib matched with the recess.

[0007] Further, the recess is arranged with rubber ring.

[0008] Further, two upper studs symmetrically arranged are arranged in the upper cover, and a protruding column is fixedly connected to the end of the upper stud, and an upper screw hole is formed in the upper stud and the protruding column.

[0009] Further, two lower studs are formed in the lower shell and are inserted and matched with the two protruding columns.

[0010] Further, a heat dissipation hole is formed in the middle part of the upper cover.

[0011] Further, the PCB board is mounted between the upper cover and the lower shell of the LED power supply structure shell.

[0012] In the above technical solution, the LED power supply structure shell and the LED power supply structure provided by the utility model have the beneficial effects that:

[0013] The utility model discloses a kind of LED power supply structure, the upper cover is pressed, so that the inclined surface of wedge block is extruded by clamping block, so that wedge block drives sliding box to slide after overcoming the elastic force of spring, then clamping block will continue to move down, so that wedge block is aligned with the hole on clamping block, clamping block and wedge block lose extrusion relationship, under the elastic force of spring, insert into the hole of clamping block, then complete the locking of upper cover and lower shell, when maintaining, just screw, so that sliding box slides inwards, clamping block and wedge block lose engagement, upper cover and lower shell can be separated, avoid the economic loss caused by wedge block strip damage.

[0014] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory, not for limiting the present disclosure.

[0015] The present application provides an overview of various implementations or examples of the technology described in the present disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0017] Figure 1 The prior positioning and locking structure provided by the embodiment of the present application is shown in the schematic diagram.

[0018] Figure 2 The internal structure of the upper cover provided by the embodiment of the present application is shown in the schematic diagram.

[0019] Figure 3 The internal structure of the lower shell provided by the embodiment of the present application is shown in the schematic diagram.

[0020] Figure 4 The utility model provides an LED power supply structure shell Figure 2 The enlarged view of A in the middle of the figure.

[0021] Mark explanation:

[0022] 01, card strip; 02, wedge block strip; 1, upper cover; 11, clamping block; 12, heat dissipation hole; 13, groove; 2, lower shell; 21, convex rib; 3, rubber ring; 4, lower stud; 41, lower screw hole; 5, upper stud; 51, upper screw hole; 6, protruding column; 7, fixed box; 8, sliding box; 81, wedge block; 9, spring; 10, screw. Specific implementation

[0023] To make the purpose, technical scheme and advantages of the embodiments of the present disclosure clearer, the technical scheme of the embodiments of the present disclosure will be described clearly and completely below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all. Based on the described embodiments of the present disclosure, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present disclosure.

[0024] Please refer to Figures 2-4 An LED power supply structure shell, comprising: an upper cover 1 and a lower shell 2, each of the two side walls of the middle part of the upper cover 1 is fixedly connected with a clamping block 11, and each of the side walls of the middle part of the lower shell 2 is provided with a locking and positioning assembly matched with the clamping block 11, the locking and positioning assembly comprises a fixed box 7 fixedly connected to the inner wall of the lower shell 2, a sliding box 8 slidably arranged in the fixed box 7, a screw 10 screw-connected to the lower shell 2, one side of the sliding box 8 connected to the inner wall of the fixed box 7 through a spring 9, one side of the spring 9 fixedly connected to the outer side wall of the sliding box 8, the other end of the spring 9 fixedly connected to the inner wall of the fixed box 7, the other side of the sliding box 8 tightly attached to the screw 10 penetrating through the lower shell 2, and a wedge block 81 fixedly connected in the sliding box 8; the clamping block 11 is pressed downward to overcome the elastic force of the spring 9 and then slides, so that the wedge block 81 is inserted into the clamping block 11.

[0025] Specifically, the upper cover 1 is pressed to make the clamping block 11 press the inclined surface of the wedge block 81, so that the wedge block 81 drives the sliding box 8 to slide against the elastic force of the spring 9, then the clamping block 11 continues to move downward, the wedge block 81 is aligned with the hole on the clamping block 11, the clamping block 11 loses the pressing relationship with the wedge block 81, and is inserted into the hole of the clamping block 11 under the elastic force of the spring 9, then the locking of the upper cover 1 and the lower shell 2 is completed, when maintenance is performed, the screw 10 is only needed to be screwed to make the sliding box 8 slide inward, the clamping block 11 loses the engagement relationship with the wedge block 81, so that the upper cover 1 and the lower shell 2 can be separated, and economic loss caused by damage of the wedge block strip 02 is avoided.

[0026] Further, the lower end of the upper cover 1 is provided with a groove 13, and the top end of the lower shell 2 is fixedly connected with a convex rib 21 matched with the groove 13.

[0027] Specifically, referring to Figure 2 and Figure 3 When the upper cover 1 and the lower shell 2 are clamped, the convex rib 21 is inserted into the groove 13 for further positioning, thereby increasing the stability of the clamping of the upper cover 1 and the lower shell 2.

[0028] Further, the groove 13 is arranged with a rubber ring 3.

[0029] Specifically, referring to Figure 2 and Figure 3 By placing the rubber ring 3 in the groove 13, due to the deformable property of the rubber ring 3 itself, the convex rib 21 has a certain space for movement after being inserted into the groove 13, which is used to expand the error range allowed by the wedge block 81 inserted into the clamping block 11, that is, to reduce the required precision when setting the clamping relationship between the wedge block 81 and the clamping block 11.

[0030] Further, two upper studs 5 symmetrically arranged in the upper cover 1 are provided, and the end of the upper stud 5 is fixedly connected with a convex column 6, and the upper stud 5 and the convex column 6 are provided with an upper screw hole 51, and the lower shell 2 is provided with two lower studs 4 inserted and matched with the two convex columns 6.

[0031] Specifically, referring to Figures 2 to 4 The upper screw hole 51 penetrates the upper stud 5, the convex column 6 and the upper cover 1, and the lower stud 4 is provided with a lower screw hole 41, when the lower end of the upper cover 1 and the top end of the lower shell 2 are matched with each other, the convex column 6 is inserted into the groove above the lower screw hole 41, which has a diameter larger than that of the lower screw hole 41, and then the upper stud 5, the convex column 6 and the lower stud 4 are connected by screws, so that the upper cover 1 and the lower shell 2 are locked.

[0032] Further, the middle part of the upper cover 1 is provided with a heat dissipation hole 12.

[0033] Specifically, by providing the heat dissipation hole 12 on the top of the upper cover 1, it is convenient for the PCB board installed in the upper cover 1 and the lower shell 2 to dissipate heat when working.

[0034] Further, the PCB board is installed between the upper cover 1 and the lower shell 2 of the LED power supply structure shell, that is, a hole is punched on the PCB board, which is sleeved on the convex column 6, and then the convex column 6 is inserted into the hole above the lower screw hole 41, so that the PCB board is clamped and fixed.

[0035] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. An LED power supply structure housing, comprising: The upper cover (1) and the lower shell (2) are characterized in that: a card block (11) is fixedly connected to each of the two side walls of the middle part of the upper cover (1), and a locking positioning component cooperating with the card block (11) is provided on each of the side walls of the middle part of the lower shell (2), and the locking positioning component comprises a fixed box (7), the fixed box (7) is fixedly connected to the inner wall of the lower shell (2), a sliding box (8) is slidably provided in the fixed box (7), a screw (10) is spirally connected to the lower shell (2), one side of the sliding box (8) is connected to the inner wall of the fixed box (7) through a spring (9), and the other side of the sliding box (8) is tightly attached to the screw (10) passing through the lower shell (2), and a wedge block (81) is fixedly connected to the sliding box (8), and the card block (11) presses the wedge block (81) downward to overcome the elastic force of the spring (9) and then slides, so that the wedge block (81) is inserted into the card block (11).

2. The LED power supply structure housing according to claim 1, characterized in that: A groove (13) is provided at the lower end of the upper cover (1), and a ridge (21) that matches the groove (13) is fixedly connected to the top end of the lower shell (2).

3. The LED power supply structure housing according to claim 2, characterized in that: A rubber ring (3) is arranged in the groove (13).

4. The LED power supply structure housing according to claim 1, characterized in that: Two symmetrically arranged upper studs (5) are provided in the upper cover (1), the ends of the upper studs (5) are fixedly connected to raised columns (6), and upper screw holes (51) are provided in the upper studs (5) and the raised columns (6).

5. The LED power supply structure housing according to claim 4, characterized in that: Two lower studs (4) are provided in the lower shell (2) and are plugged into and matched with the two raised columns (6).

6. The LED power supply structure housing according to claim 1, characterized in that: A heat dissipation hole (12) is provided in the middle of the upper cover (1).

7. An LED power supply structure, characterized in that: It comprises a PCB board and the LED power supply structure housing according to any one of claims 1 to 6, wherein the PCB board is installed between an upper cover (1) and a lower shell (2) of the LED power supply structure housing.

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