CN205319440U - Charger plug and power charger - Google Patents

Abstract

The utility model relates to the field of plug assembly technology, which provides a charger plug, including a bottom shell, the bottom shell includes a bottom and a side wall, a circuit board is arranged on the upper cover of the side wall, a golden finger is arranged on the circuit board, and an elastic connecting piece is arranged on the bottom. Buckle ears are arranged on the inner side of the side wall. When assembling, cover the circuit board in the side wall, and align the gold finger with the elastic connecting piece, and then buckle the outer surface of the circuit board through the buckle ear, so that the gold finger and the elastic connecting piece are firmly opposed, so that the circuit board will It is firmly buckled in the side wall, realizing the stable connection and assembly of the bottom shell and the circuit board, the connection is firm, and the operation is simple. Compared with the existing methods of welding or locking screws, the above-mentioned charger plug is adopted, which saves the Welding process or wire tapping process, therefore, the process is simple, the production efficiency is low, the cost is low, and it is suitable for mechanized production. The utility model also provides a power charger, including the above-mentioned charger plug.

Description

Charger Plug and Power Charger

technical field

The utility model belongs to the field of plug assembly technology, in particular to a charger plug and a power charger.

Background technique

With the development of science and technology, power chargers are more and more used in people's daily life.

At present, the existing power charger generally includes a plug, and the plug includes a bottom case and a circuit board arranged on the bottom case. The circuit board is generally fixed on the bottom case by welding or locking screws. Therefore, the plug of the existing power charger still needs to be welded or tapped in the process of production and processing, which is difficult. The operation is inconvenient, the production efficiency is low, the cost is high, and it is difficult to adapt to mechanized production.

Utility model content

The purpose of the utility model is to provide a charger plug, aiming to solve the existing problems of the existing power charger plug, such as difficult process, inconvenient operation, low production efficiency, high cost and difficulty in being suitable for mechanized production.

In order to solve the above technical problems, the utility model provides a charger plug, including a bottom case, the bottom case includes a bottom and a side wall extending and enclosing along the periphery of the bottom, and the upper cover of the side wall is provided with a circuit Board, the inner surface of the circuit board opposite to the bottom is provided with a gold finger, the bottom is provided with an elastic connecting piece for abutting against the gold finger, and the inner surface of the side wall is provided with a Buckle ears that buckle the outer surface of the circuit board so that the gold fingers are firmly against the elastic connecting piece.

Further, the buckle has a curved surface for guiding the circuit board to slide into the inner side of the side wall, and a horizontal surface connected with the curved surface for buckling the circuit board.

Further, the buckle ear has a sliding guide surface, an upper inclined surface, a vertical surface, a lower inclined surface and a horizontal surface sequentially connected from top to bottom.

Further, the number of the elastic connecting pieces is set to two, and the two elastic connecting pieces are symmetrical about the buckle ears.

Further, the elastic connecting piece includes an end fixedly connected to the bottom, and a bent head extending from the end and bent upward for abutting against the golden finger.

Further, the end portion is connected to the bending head through a connecting portion.

Further, the shape of the bending head is arc-shaped.

Further, the end is provided with a slot, and the bottom is provided with a positioning contact penetrated in the slot.

Further, the circuit board is provided with a positioning post abutting against the exposed end of the positioning contact.

The beneficial effect of the charger plug provided by the utility model:

Since the above-mentioned charger plug adopts buckle ears, when it is assembled, the circuit board is covered in the enclosed side wall, and the golden finger on the circuit board is aligned with the elastic connecting piece on the bottom, and then passes through the inner surface of the side wall. The buckle ear buckles the outer surface of the circuit board, so that the gold finger and the elastic connecting piece are firmly offset, so that the circuit board will be firmly connected to the side wall, realizing the stable connection and assembly of the bottom case and the circuit board, and the connection is firm. The operation is simple. Compared with the existing method of welding or locking screws, the use of the above-mentioned charger plug saves the welding process or the process of tapping the thread. Therefore, the process is simple, the production efficiency is low, the cost is low, and it is suitable for mechanization Production.

Another object of the present invention is to provide a power charger, including the above-mentioned charger plug.

The beneficial effect of the power charger provided by the utility model:

Since the above-mentioned power charger adopts the charger plug, it has the advantages of firm connection, simple operation, simple process, low production efficiency, low cost, and suitable for mechanized production when producing and assembling parts such as the charger plug.

Description of drawings

Fig. 1 is a three-dimensional exploded schematic diagram of a charger plug provided by an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of a circuit board of a charger plug provided by an embodiment of the present invention;

Fig. 3 is a schematic structural view of the elastic connecting piece of the charger plug provided by the embodiment of the present invention;

Fig. 4 is an enlarged schematic diagram of the charger plug provided in Fig. 1 at circle A;

Fig. 5 is a schematic structural diagram of the charger plug provided by the embodiment of the present invention.

detailed description

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

As shown in Figures 1-5, it is a preferred embodiment provided by the utility model.

It should be noted that, when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or there may be an intervening element at the same time. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

It should also be noted that the orientation terms such as left, right, up, and down in this embodiment are only relative concepts or refer to the normal use state of the product, and should not be regarded as limiting.

As shown in Figures 1 to 3, the charger plug 10 provided in this embodiment includes a bottom case 11, the bottom case 11 includes a bottom 111 and a side wall 112 extending and enclosing along the periphery of the bottom 111, on the side wall 112 The cover is provided with a circuit board 12, and a gold finger 121 is provided on the inner surface of the circuit board 12 opposite to the bottom 111. The buckle ear 14 is used to buckle the outer surface of the circuit board 12 so that the golden finger 121 and the elastic connecting piece 13 are firmly opposed.

As shown in Figures 1 to 3, since the above-mentioned charger plug 10 adopts buckle ears 14, when it is assembled, the circuit board 12 is covered in the enclosed side wall 112, and the gold finger 121 on the circuit board 12 is connected to the bottom The elastic connecting piece 13 on the 111 is aligned, and then the outer surface of the circuit board 12 is buckled by the buckle ear 14 on the inner side of the side wall 112, so that the golden finger 121 and the elastic connecting piece 13 are firmly offset, so that the circuit board 12 will be firmly The ground is buckled in the side wall 112, realizing the stable connection and assembly of the bottom case 11 and the circuit board 12, the connection is firm, and the operation is simple. Compared with the existing methods of welding or locking screws, the above-mentioned charger plug 10 is adopted, The welding process or the thread tapping process is omitted, so the process is simple, the production efficiency is low, the cost is low, and it is suitable for mechanized production.

It should be noted that the elastic connecting piece 13 is made of rigid material and adopts a tight-contact process.

In order to facilitate the assembly of the circuit board 12 in the side wall 112, and in order to make the buckle ear 14 snap onto the circuit board 12 more firmly, the preferred implementation of the specific structure of the buckle ear 14 in this embodiment is shown in Figure 1 and Figure 4 The buckle ear 14 has a sliding guide surface 141 for guiding the circuit board 12 to slide into the inner side of the side wall 112 and a horizontal surface 142 connected with the sliding guide surface 141 and used for buckling the circuit board 12 . In this way, when assembling the circuit board 12, the circuit board 12 is first against the guide sliding surface 141 of the buckle ear 14, and slides down along the guide slide surface 141 until it is completely engaged with the side wall 112. At this time, the buckle ear 14 The horizontal surface 142 of the bottom shell just abuts against the outer surface of the circuit board 12 so that the circuit board 12 is firmly buckled in the side wall 112 , thereby achieving a stable connection and assembly of the bottom case 11 and the circuit board 12 .

Another preferred embodiment of the specific structure of the buckle ear 14 in this embodiment, as shown in Figure 1 and Figure 4, the buckle ear 14 has a sliding guide surface 141, an upper inclined surface 143, a vertical surface connected in sequence from top to bottom. 144 , a lower inclined surface 145 and a horizontal surface 142 . In this way, when assembling the circuit board 12, the circuit board 12 is first against the guide sliding surface 141 of the buckle ear 14, and then moves downward along the guide sliding surface 141, the upper inclined surface 143, the vertical surface 144 and the lower inclined surface 145. Slide until it completely falls into the side wall 112. At this time, the horizontal surface 142 of the buckle ear 14 just abuts against the outer surface of the circuit board 12, so that the circuit board 12 is firmly buckled in the side wall 112, thereby realizing the bottom shell 11 A solid connection to the circuit board 12 is assembled.

As shown in FIG. 1 to FIG. 3 , in order to further make the elastic connecting piece 13 abut against the gold finger 121 stably, the number of the elastic connecting piece 13 is set to two, and the two elastic connecting pieces 13 are symmetrical about the buckle ear 14 . In this way, when the circuit board 12 is fastened to the side wall 112 , the buckle ear 14 will buckle the part of the circuit board 12 between the two elastic connecting pieces 13 , so that the two elastic connecting pieces 13 and the golden fingers 121 are firmly abutted.

As shown in Figures 1 to 3, in order to make the elastic connecting piece 13 abut against the golden finger 121 better, this embodiment is about the preferred embodiment of the specific structure of the elastic connecting piece 13, the elastic connecting piece 13 includes a fixed connection with the bottom 111 The end portion 131 and the bent head portion 132 extended from the end portion 131 and bent upward for abutting against the golden finger 121 . In this way, the elastic connecting piece 13 is firmly fixed on the bottom 111 through the end portion 131 , and firmly abuts against the golden finger 121 through the bent head portion 132 .

In order to maximize the use of the installation space of the bottom 111 , the end portion 131 is connected to the bending head 132 through a connecting portion 133 .

In order to facilitate the bending head 132 to elastically press against the golden finger 121 , the bending head 132 is arc-shaped. Of course, it is also possible that the shape of the bending head 132 is "U".

Specifically, regarding the preferred embodiment of the fixed connection form of the elastic connecting piece 13 and the bottom 111, as shown in Fig. Contact 1111. In this way, the elastic connecting piece 13 is sleeved on the positioning contact 1111 through the slot 1311 of the end portion 131 to be firmly fixed on the bottom 111 .

As shown in FIGS. 1 to 4 , in order to further securely connect the circuit board 12 to the bottom 111 , the circuit board 12 is provided with a positioning post 122 abutting against the exposed end of the positioning contact 1111 . In this way, when the above-mentioned charger plug 10 is assembled, on the basis that the elastic connecting piece 13 abuts against the gold finger 121 and the buckle ear 14 is buckled on the outer surface of the circuit board 12, the positioning post 122 and the positioning contact 1111 are connected together. abutting, so that the circuit board 12 is buckled firmly on the bottom case 11 .

Another object of this embodiment is to provide a power charger, which includes the above-mentioned charger plug 10 .

Since the above-mentioned power charger adopts the charger plug 10, it has the advantages of firm connection, simple operation, simple process, low production efficiency, low cost and suitable for mechanized production when producing and assembling components such as the charger plug 10.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model should be included in the utility model. within the scope of protection.

Claims (10)

1. The charger plug is characterized in that it includes a bottom case, the bottom case includes a bottom and a side wall formed by extending and enclosing along the periphery of the bottom, the upper cover of the side wall is provided with a circuit board, and the circuit board Gold fingers are provided on the inner surface of the board opposite to the bottom, the bottom is provided with an elastic connecting piece for abutting against the gold fingers, and the inner surface of the side wall is provided with a button for buckling the circuit board. The outer surface of the buckle lug is used to make the gold finger and the elastic connecting piece stably abut. 2. The charger plug according to claim 1, wherein the buckle ear has a curved guide surface for guiding the circuit board to slide into the inner side of the side wall, and is connected with the curved guide surface and used on the horizontal plane of the snap-in circuit board. 3 . The charger plug according to claim 1 , wherein the buckle lug has a sliding guide surface, an upper inclined surface, a vertical surface, a lower inclined surface and a horizontal surface sequentially connected from top to bottom. 4 . 4. The charger plug according to any one of claims 1-3, wherein the number of the elastic connecting pieces is set to two, and the two elastic connecting pieces are symmetrical about the buckle ears. 5. The charger plug according to any one of claims 1 to 3, characterized in that, the elastic connecting piece includes an end fixedly connected to the bottom and extends from the end and bends upwards with a on the bent head abutting against the golden finger. 6 . The charger plug according to claim 5 , wherein the end portion is connected to the bent head portion through a connecting portion. 7 . 7. The charger plug according to claim 5, wherein the bent head is arc-shaped. 8 . The charger plug according to claim 5 , wherein the end portion is provided with a slot, and the bottom portion is provided with a positioning contact inserted in the slot. 9. The charger plug according to claim 8, characterized in that, the circuit board is provided with a positioning column abutting against the exposed end of the positioning contact. 10. The power charger, characterized in that it comprises the charger plug according to any one of claims 1-9.