CN100468882C - Ear buckle device of electric connector - Google Patents

Abstract

The invention provides an ear buckle device of an electric connector, which can clamp and insert one side clamping hole of a circuit board of the electric connector, the electric connector comprises a plastic seat body, one side of which is provided with an accommodating groove, the ear buckle device comprises: the lifting plate component is pivoted to the plastic base and is in rotating fit with the accommodating groove, a forward protruding top block is arranged at the lower end of the lifting plate component and is propped against the lower part of one side of the circuit board, a pressing part and a forward protruding buckling part are arranged at the upper end of the lifting plate component, and the buckling part is clamped in a clamping hole in one side of the circuit board; the pressing part has elasticity and extends to be provided with a pressing piece, the plastic seat body is provided with at least one clamping elastic arm, the clamping elastic arm elastically clamps the plate lifting assembly, the pressing piece of the pressing part is opposite to the clamping elastic arm, and the clamping elastic arm can be pressed to be separated from the plate lifting assembly. The invention can ensure the electric connection of the circuit board and is very convenient to operate.

Description

Ear buckle device for electrical connector

【Technical field】

The invention relates to an electrical connector, in particular to an ear buckle device of the electrical connector.

【Background technique】

Please refer to Fig. 1 and Fig. 2, it is a kind of conventional electric connector that connects the circuit board, and it comprises a plastic seat body 10 and an ear buckle device 20, wherein: the plastic seat body 10 is arranged with plural A terminal (not shown in the figure) is provided with a receiving groove 11 on both sides, and pivot holes 12 are arranged on both sides of the receiving groove; The pivot hole 13 of the accommodation groove 11 of the plastic seat body 10 has a buckle part 22 protruding into the seat body and a pressing part 23 protruding out of the seat body at its upper end, and the buckle part 22 can be locked in the circuit One side of the board 27 has a clamping hole 28 , and its lower end is provided with a top block 24 that protrudes into the seat and pushes against the lower end side of the circuit board 27 .

When the circuit board 27 is inserted, the circuit board 27 directly presses down on the top block 24, even if the ear buckle device 20 pivots counterclockwise, the buckle part 22 is fastened on the clamping hole 28 of the circuit board 27; When removing the circuit board 27, then press down the pressing part 23 with the hand, and the jacking block 24 promptly jacks up the circuit board 27.

The above-mentioned conventional structure still has the following disadvantages: the ear buckle device 20 locks the circuit board 27 with the buckle part 22 buckled in the buckle hole 28 of the circuit board 27, and the ear buckle device 20 is only pivotally connected to the plastic seat 10. There is no locking effect between the two, so if the circuit board 27 is directly pulled up, it can also be taken out. In this way, when the inserted circuit board 27 is subjected to considerable up and down impact force, the circuit board 27 may be detached , it is difficult to ensure the electrical connection state.

【Content of invention】

The main purpose of the present invention is to provide an ear buckle device of an electrical connector, which has a definite hooking effect with the plastic seat body after locking the circuit board, so as to ensure the electrical connection of the circuit board.

Another object of the present invention is to provide an ear hook device for an electrical connector, which can ensure the electrical connection of the circuit board and is very convenient to operate.

In order to achieve the above object, the present invention provides an ear hook device for an electrical connector, which is used to lock and insert into a hole on one side of a circuit board of the electrical connector. The electrical connector includes a plastic seat body, and There is an accommodating groove, which is characterized in that the ear buckle device includes: a board assembly, which is pivotally connected to the plastic seat and is rotatably matched with the accommodating groove, and a lower end of the lifting assembly is provided with a A top block protruding forward, the top block is held under one side of the circuit board, the upper end of the lifting assembly is provided with a pressing part and a buckle part protruding forward, and the buckle part is fixed on the circuit board card hole on one side;

The pressing part has elasticity and is extended with a pressing piece. The plastic seat body is provided with at least one clamping elastic arm, and the clamping elastic arm elastically clamps the lifter assembly. The pressing piece of the pressing part and the locking The elastic arms are opposite to each other, and can press the clamping elastic arm to disengage from clamping the lifter assembly.

The ear hook device of the electrical connector is characterized in that: the buckle part is an elastic piece, and the pressing part is integrally formed and connected to the elastic piece of the buckle part.

The ear buckle device of the electrical connector is characterized in that: the lifting component is provided with a perforation, the clamping elastic arm passes through the perforation, the clamping elastic arm is provided with an upward hook, and the hook is provided with a guide slope.

The ear buckle device of the electrical connector is characterized in that: the lifter assembly is provided with a perforation, the clamping elastic arm passes through the perforation, and the outer side of the clamping elastic arm is provided with a laterally protruding hook. The hook is provided with a guide slope, and the pressing piece of the pressing part corresponds to the guide slope of the hook. When the pressing part is pressed down, the pressing piece will press against the guide slope of the hook, so that the clamping bullet The arm springs to the inside and breaks away from the clamping lifter assembly.

The ear buckle device of the electrical connector is characterized in that: the inner side of the clamping elastic arm is provided with a laterally protruding hook, and the hook is provided with a guide inclined surface, and the pressing piece of the pressing part is in contact with the card. The guide inclined surface of the hook is corresponding, and when the pressing part is pressed down, its resisting piece will press against the guide inclined surface of the hook, so that the locking elastic arm springs outwards and breaks away from the locking lifting plate assembly.

The ear buckle device of the electrical connector is characterized in that: pivot holes are provided on both sides of the accommodation groove of the plastic seat body, and pivot holes are provided on both sides of the lifter component to be pivotally connected to the plastic seat body. Pivot hole.

The above and other objects, advantages and features of the present invention will be more clearly understood from the following detailed description of the preferred embodiments with reference to the drawings.

【Description of drawings】

FIG. 1 is an exploded perspective view of a conventional electrical connector.

FIG. 2 is a three-dimensional assembled view of a conventional electrical connector.

Fig. 3 is an exploded perspective view of the first preferred embodiment of the present invention.

Fig. 4 is a combined sectional view of the first preferred embodiment of the present invention.

Fig. 5 is a diagram of the use status of the first preferred implementation of the present invention.

Fig. 6 is a use state diagram of the first preferred implementation of the present invention.

Fig. 7 is an exploded perspective view of the second preferred embodiment of the present invention.

Fig. 8 is a combined sectional view of the second preferred embodiment of the present invention.

Fig. 9 is an assembled rear view of the second preferred embodiment of the present invention.

Fig. 10 is a diagram of the use state of the second preferred implementation of the present invention.

Fig. 11 is an exploded perspective view of a third preferred embodiment of the present invention.

Fig. 12 is a three-dimensional assembled view of the third preferred implementation of the present invention.

Fig. 13 is an exploded perspective view of a fourth preferred embodiment of the present invention.

【Detailed ways】

Please refer to Fig. 3 and Fig. 4, the ear buckle device of the electrical connector of the present invention can be locked and inserted into the side clamping hole 28 of the circuit board 27 of the electrical connector. The terminal of the plastic seat body (not the design focus of this case, so the figure is not shown), the ear buckle device includes: a board assembly 40 and a clamping elastic arm 50, wherein:

Both sides of the plastic base 30 are provided with a receiving groove 31 (the figure only simply shows one side), and both sides of the receiving groove 31 are provided with pivot holes 32 .

The lifting assembly 40 is provided with a pivot 41 pivotally connected to the pivot hole 32 of the plastic base 30, which can rotate in the accommodating groove 31, and a top block 42 protruding forward is provided at its lower end, the top block 42 is The block 42 is placed under one side of the circuit board 27, and the upper end of the lifting assembly 40 is provided with a pressing part 43 and a buckle part 44 protruding forward. The pressing part 43 is integrally formed and connected to the elastic piece of the buckle part 44. The pressing part 43 can bounce up and down and is provided with a pressing piece 46 extending downward. There is a perforation 47 .

The clamping elastic arm 50 is located on the plastic seat body 30, and it extends horizontally to the outside to pass through the perforation 47 of the lifting assembly 40. An upward hook 51 is provided on its outer end, and the hook 51 is provided with a guide. The inclined surface 52, the hook 51 is locked in the middle of the rear end of the lifting assembly 40, the pressing piece 46 of the pressing part 43 corresponds to the guide slope 52 of the hook 51, when the pressing part 43 is pressed down, the resisting The pressing piece 46 presses against the hook 51 , so that the locking elastic arm 50 bends down so that the hook 51 disengages from the middle of the rear end of the lifting assembly 40 .

Please refer to Fig. 4, the circuit board 27 is inserted into the plastic seat body 30, and when the buckle portion 44 of the board lifting assembly 40 is locked in the locking hole 28 on one side of the circuit board, the rear end of the board lifting assembly 40 is locked by a spring. The hook 51 of the arm 50 is locked and cannot pivot relative to the plastic seat 30, so that the circuit board 27 can be firmly locked; please refer to FIG. 5, and press the pressing part 43 when the circuit board 27 is to be removed Make the pressing piece 46 press the clamping elastic arm 50 and bend down to make the hook 51 break away from the rear end of the lifting assembly 40; please refer to Figure 6, when the lifting assembly 40 is not locked by the hook 51 It can pivot relative to the plastic base 30 , so that the top block 42 can lift the circuit board 27 .

From the above description, the present invention can summarize the following advantages:

1. After the board lifting assembly 40 locks the circuit board 27, it has a clear hooking effect with the plastic seat body 30. If it is not unhooked, the board lifting assembly 40 cannot pivot relative to the plastic seat body 30, thus ensuring Electrical connections to the circuit board 27.

2. Although the operation of removing the circuit board 27 requires an unhooking action, the unhooking action is to directly press the pressing part 43, and the pivoting board lifting assembly 40 also presses the pressing part, so unhooking and pivoting They all press the same part, which is almost completed in one action, so there will be no inconvenience in use due to the design of the hook.

Please refer to Fig. 7 and Fig. 8, it is the second embodiment of the present invention, wherein the two sides of one side of this plastic seat body 30 are respectively provided with a clamping elastic arm 50, and this clamping elastic arm 50 is extended outward horizontally, and its outer end A hook 51 is provided on the inside, and the hook 51 is provided with a guide slope 52. Please refer to FIG. edge; please refer to FIG. 10 , the pressing piece 46 of the pressing part 43 corresponds to the guiding slope 52 of the hook 51, and when the pressing part 43 is pressed down, the pressing piece 46 will press against the guiding surface of the hook 51. The inclined surface 52 makes the clamping elastic arm 50 spring outwards to disengage the hook 51 from the clamping lifting assembly 40 , so that the lifting assembly 40 can be pivoted to lift the circuit board 27 .

Please refer to Fig. 11 and Fig. 12, which are the third embodiment of the present invention, wherein a perforation 47 is also provided in the middle of the upper middle section of the board lifter assembly 40, and the resisting piece 46 is provided with a guide groove 48 that is wide at the bottom and narrow at the top. The middle of one side of the plastic seat body 30 is provided with two clamping elastic arms 50 at a distance, and the two clamping elastic arms 50 extend horizontally to the outside and pass through the perforation 47 of the lifting plate assembly 40, and the outer end is provided with a A hook 51, the hook 51 is provided with a guide inclined surface 52, and the two hooks 51 are respectively clamped on the rear end of the lifting assembly 40; Correspondingly, when the pressing portion 43 is pressed down, its resisting piece 46 will press against the guide inclined surface 52 of the hook 51 , so that the locking elastic arm 50 springs inwardly and disengages from the locking lifter assembly 40 .

Please refer to FIG. 13 , which is the fourth embodiment of the present invention, which is roughly the same as the second embodiment. The difference is that the pivot hole 32 of the plastic base 30 is demolded downward when the plastic is injected, so the lower end will be open. In addition, the pivot 41 of the lifter assembly 40 is set as a semi-cylindrical, so as to facilitate assembly.

The specific embodiments proposed in the detailed description of the preferred embodiments are only for easy description of the technical content of the present invention, and do not limit the present invention to the embodiments in a narrow sense. In fact, the present invention can be implemented in various changes.

Claims (6)

1. An ear buckle device for an electrical connector, which is used to lock a hole on one side of a circuit board inserted into the electrical connector. The electrical connector includes a plastic seat body, and a receiving groove is provided on one side thereof. It is characterized in that: the ear buckle device includes: a board assembly, which is pivotally connected to the plastic seat, and is rotatably matched with the accommodating groove, and the lower end of the board assembly is provided with a forward protruding A top block, the top block is held under one side of the circuit board, and the upper end of the board lifting assembly is provided with a pressing part and a buckle part protruding forward, and the buckle part is fastened to the fastening hole on one side of the circuit board ; The pressing part has elasticity and is extended with a pressing piece. The plastic seat body is provided with at least one clamping elastic arm, and the clamping elastic arm elastically clamps the lifter assembly. The pressing piece of the pressing part and the locking The elastic arms are opposite. 2. The ear hook device of an electrical connector as claimed in claim 1, wherein the buckle part is an elastic piece, and the pressing part is integrally formed and connected to the elastic piece of the buckle part. 3. The ear hook device of an electrical connector as claimed in claim 1, wherein the lifter assembly is provided with a perforation, the clamping elastic arm passes through the perforation, and the clamping elastic arm is provided with an upward hook , the hook is provided with a guide slope. 4. The ear hook device of an electrical connector according to claim 1, wherein the lifter assembly is provided with a perforation, the clamping elastic arm passes through the perforation, and the outer side of the clamping elastic arm is provided with a lateral The protruding hook is provided with a guide inclined surface, and the pressing piece of the pressing part corresponds to the guide inclined surface of the hook. 5. The ear hook device of an electrical connector as claimed in claim 1, wherein a laterally protruding hook is provided on the inner side of the locking elastic arm, and a guide slope is provided on the hook, and the pressing part The resisting sheet corresponds to the guide inclined surface of the hook. 6. The ear buckle device of an electrical connector as claimed in claim 1, characterized in that: pivot joint holes are provided on both sides of the accommodation groove of the plastic base, and pivot joints are provided on both sides of the lifter assembly. The pivot hole on the plastic base.

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