Elastic sheet type rapid installation charger

Abstract

The utility model discloses an elastic sheet type quick installation charger, which relates to the technical field of chargers, and comprises a charger lower shell and a charger upper shell which are fixedly connected through clamping or screws, the bottom end of the charger lower shell is symmetrically connected with terminals, a circuit board is fixed inside the charger lower shell and the charger upper shell, and the charger lower shell and the charger upper shell are connected with the terminals. An L-shaped elastic piece is connected between the terminal and the circuit board, the bottom end of the elastic piece is connected with the terminal in a clamping mode, the top end of the elastic piece is inserted into a clamping groove reserved in the end portion of the circuit board, and the elastic piece abuts against a U-shaped clamping piece at the end portion of the circuit board corresponding to the position of the clamping groove through the elastic force of the elastic piece. According to the elastic piece type rapid installation charger, through the structure of combining elastic piece clamping and shell limiting, rapid installation and disassembly of the circuit board are achieved, operation can be completed without the help of tools, and the problem that in the prior art, disassembly and assembly are troublesome due to the fact that the circuit board is fixed through screws is effectively solved; and the maintenance convenience and the use efficiency of the charger are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a charger technical field, concretely is a kind of elastic sheet formula quick installation charger. BACKGROUND

[0002] In prior art, the structural design of charger has many deficiencies in the way of fixing circuit board. At present, the circuit board of most chargers is usually fixed by screw. Although this fixing way can ensure the stability of circuit board in charger to some extent, it exposes obvious disadvantages in actual use and maintenance.

[0003] When the charger needs to be repaired, upgraded or the circuit board is replaced, the screw fixing way makes the dismounting process extremely tedious. The operator must use specific tools, such as screwdriver, to unscrew the screw one by one, so as to take out the circuit board from the charger shell. This process not only consumes time, but also increases the complexity of operation. SUMMARY

[0004] In view of the deficiencies of prior art, the utility model provides an elastic sheet formula quick installation charger, which solves the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: an elastic sheet formula quick installation charger, comprising a charger lower shell and a charger upper shell connected by clamping or screw fixing, the bottom end of the charger lower shell is symmetrically connected with a terminal, the inside of the charger lower shell and the charger upper shell is fixed with a circuit board, the terminal and the circuit board are jointly connected with an "L" shaped elastic sheet, the bottom end of the elastic sheet is clamped and connected with the terminal, the top end is inserted into the clamping groove reserved and opened at the end of the circuit board, and the bottom end of the elastic sheet is resisted by the elastic force of the elastic sheet and the U-shaped clamping piece corresponding to the clamping groove position of the end of the circuit board.

[0006] Further, the top end of the terminal is integrally connected with a buckle, the bottom end of the elastic sheet is reserved and opened with a clamping hole, and the buckle is clamped and fixed in the inside of the clamping hole.

[0007] Further, the top end of the elastic sheet is integrally connected with a clamping position protrusion, after the elastic sheet is inserted into the inside of the clamping groove and resisted by the U-shaped clamping piece, the clamping position protrusion is clamped with the U-shaped clamping piece.

[0008] Further, the inside of the charger lower shell is integrally connected with a supporting protrusion on both sides, the inside of the charger upper shell is integrally connected with a limiting protrusion on both sides, the supporting protrusion and the limiting protrusion are staggered distributed, the edge of both sides of the circuit board is reserved and provided with an abutting portion, the supporting protrusion is resisted by the abutting portion on the lower surface of the circuit board, and the limiting protrusion is resisted by the abutting portion on the upper surface of the circuit board.

[0009] Further, the bottom end of the charger lower shell is symmetrically provided with a through hole, and the terminal is fixed inside the through hole, and the bottom end of the terminal extends to the outside of the charger lower shell through the through hole.

[0010] Further, the terminal, the buckle, the elastic sheet, the clamping protrusion, the N-shaped clamping piece and the circuit board can conduct electricity.

[0011] The utility model provides a kind of elastic sheet type quick installation charger.Compared with prior art, it has the following beneficial effects:

[0012] The elastic sheet type quick installation charger, by the structure that elastic sheet engages and is combined with shell limit, realizes the quick installation and disassembly of circuit board, without the aid of tool can be completed operation, effectively solve the disassembly and assembly troublesome problem caused by screw fixed circuit board in prior art, greatly improve the maintenance convenience and use efficiency of charger. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the split structure schematic view of the utility model;

[0014] Figure 2 It is the structure schematic view of circuit board in the utility model;

[0015] Figure 3 It is the structure schematic view of elastic sheet in the utility model;

[0016] Figure 4 It is the connection schematic view of terminal, elastic sheet, N-shaped clamping piece in the utility model;

[0017] Figure 5 It is the structure schematic view of charger lower shell in the utility model;

[0018] Figure 6 It is the structure schematic view of charger upper shell in the utility model;

[0019] Figure 7 It is the schematic view that circuit board is fixed in charger lower shell by elastic sheet in the utility model;

[0020] Figure 8 It is the sectional view of the utility model after assembly.

[0021] In the drawing: 1, charger lower shell; 11, support protrusion; 12, through hole; 2, charger upper shell; 21, limit protrusion; 3, terminal; 31, buckle; 4, circuit board; 41, clamping groove; 42, N-shaped clamping piece; 43, abutment portion; 5, elastic sheet; 51, clamping hole; 52, clamping protrusion. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] Please refer to Figures 1-8 The utility model provides a technical scheme: a kind of elastic sheet type quick installation charger, including the charger lower shell 1 and charger upper shell 2 by engagement or screw fixed connection, the bottom end of charger lower shell 1 is symmetrically connected with terminal 3, the inside of charger lower shell 1 and charger upper shell 2 is fixed with circuit board 4, and the end of circuit board 4 is reserved and set up clamping groove 41, and the end of circuit board 4 is fixedly connected with U-shaped clamping piece 42 corresponding to the position of clamping groove 41, terminal 3 and circuit board 4 are jointly connected with the "L" shaped elastic sheet 5, the bottom end of elastic sheet 5 is engaged with terminal 3, the top end of elastic sheet 5 is inserted into the inside of clamping groove 41, and it is abutted with U-shaped clamping piece 42 by the elastic force of elastic sheet 5.

[0024] The top end of terminal 3 is integrally connected with buckle 31, the bottom end of elastic sheet 5 is reserved and set up clamping hole 51, and buckle 31 is engaged and fixed in the inside of clamping hole 51, the top end of elastic sheet 5 is integrally connected with clamping position protrusion 52, after elastic sheet 5 is inserted into clamping groove 41 and abutted with U-shaped clamping piece 42, clamping position protrusion 52 is engaged with U-shaped clamping piece 42, to prevent engagement failure, elastic sheet 5, clamping groove 41, U-shaped clamping piece 42 can constrain the position of circuit board 4 in horizontal direction;

[0025] The inside of charger lower shell 1 both sides is integrally connected with support protrusion 11, the inside of charger upper shell 2 both sides is integrally connected with limiting protrusion 21, support protrusion 11 and limiting protrusion 21 are staggered distribution, the edge of both sides of circuit board 4 is reserved and set up abutment portion 43, support protrusion 11 is abutted with the abutment portion 43 of circuit board 4 lower surface, limiting protrusion 21 is abutted with the abutment portion 43 of circuit board 4 upper surface, after charger lower shell 1, charger upper shell 2 assembly, support protrusion 11 and limiting protrusion 21 will jointly hold circuit board 4, to realize the fixation of circuit board 4, constrain the position of circuit board 4 in vertical direction;

[0026] The bottom end of charger lower shell 1 is symmetrically set up through hole 12, and terminal 3 is fixed in the inside of through hole 12, that is, the bottom end of terminal 3 extends to the outside of charger lower shell 1 through through hole 12;

[0027] It should be noted that the terminal 3, the buckle 31, the elastic sheet 5, the clamping protrusion 52, the U-shaped clamping piece 42 and the circuit board 4 can conduct electricity, that is, under the condition of meeting the demand of clamping and fixing the circuit board 4, the terminal 3 can still transmit current to the circuit board 4, realizing the charging function of the charger;

[0028] When the charger is assembled, first, the two terminals 3 together with the buckles 31 are fixed in the through holes 12, then the elastic sheet 5 is clamped and fixed on the upper part of the terminal 3, after being fixed, the circuit board 4 is placed in the inside of the charger lower shell 1, when the circuit board 4 is placed, the top end of the elastic sheet 5 needs to be inserted between the clamping groove 41 and the U-shaped clamping piece 42, and the clamping protrusion 52 abuts against the clamping groove 41, then the charger lower shell 1 and the charger upper shell 2 are assembled, when the charger lower shell 1 and the charger upper shell 2 are assembled by clamping or screwing, the limiting protrusion 21 will press down the circuit board 4, until the supporting protrusion 11 and the limiting protrusion 21 jointly clamp and fix the circuit board 4, at this time, the elastic sheet 5 is also in a compressed state, and the assembly of the entire charger is completed.

Claims

1. A spring-loaded quick-install charger, comprising a lower charger housing (1) and an upper charger housing (2) fixedly connected by snap-fit ​​or screws, wherein terminals (3) are symmetrically connected to the bottom end of the lower charger housing (1), and a circuit board (4) is fixed inside the lower charger housing (1) and the upper charger housing (2), characterized in that, The terminal (3) and the circuit board (4) are connected by an "L"-shaped spring (5). The bottom end of the spring (5) is engaged with the terminal (3), and the top end is inserted into the slot (41) reserved at the end of the circuit board (4). The spring (5) abuts against the U-shaped clip (42) at the end of the circuit board (4) corresponding to the slot (41) position.

2. The spring-loaded quick-install charger according to claim 1, characterized in that, The top of the terminal (3) is integrally connected to the buckle (31), and the bottom of the spring (5) is provided with a card hole (51). The buckle (31) is engaged and fixed inside the card hole (51).

3. A spring-loaded quick-install charger according to claim 1, characterized in that, The top of the spring piece (5) is integrally connected to the locking protrusion (52). After the spring piece (5) is inserted into the slot (41) and abuts against the U-shaped card (42), the locking protrusion (52) engages with the U-shaped card (42).

4. A spring-loaded quick-install charger according to claim 1, characterized in that, The lower housing (1) of the charger has support protrusions (11) integrally connected to both sides of the interior, and the upper housing (2) of the charger has limit protrusions (21) integrally connected to both sides of the interior. The support protrusions (11) and the limit protrusions (21) are staggered. The edges of both sides of the circuit board (4) are reserved with abutment portions (43). The support protrusions (11) abut against the abutment portions (43) on the lower surface of the circuit board (4), and the limit protrusions (21) abut against the abutment portions (43) on the upper surface of the circuit board (4).

5. A spring-loaded quick-install charger according to claim 1, characterized in that, The bottom end of the lower housing (1) of the charger has symmetrical through holes (12), the terminal (3) is fixed inside the through hole (12), and the bottom end of the terminal (3) extends to the outside of the lower housing (1) of the charger through the through hole (12).

6. A spring-loaded quick-install charger according to any one of claims 1-5, characterized in that, The terminals (3), buckles (31), springs (5), locking protrusions (52), U-shaped clips (42), and circuit boards (4) are all electrically conductive.

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