CN210111079U - Direct current electric appliance - Google Patents

Abstract

The utility model belongs to the technical field of electronic product manufacture, a direct current apparatus is disclosed. The direct current apparatus includes: PCB board, battery package plug connector and first mounting structure are connected through first mounting structure between PCB board and the battery package plug connector, make PCB board and battery package plug connector form the integral structure. The direct current apparatus is connected through first mounting structure between with the inserted sheet of PCB board and battery package plug connector, has realized the fixed connection between PCB board and the battery package plug connector, compares with the mode that prior art adopted the wire to connect, PCB board and battery package plug connector form the integrated structure, have saved the wire that is used for connecting, need not to have because of the wire additionally sets up wire mounting such as card wire casing and line ball board, the inner structure of complete machine has been simplified, and the production cost is saved, has improved the qualification rate of production efficiency and product simultaneously when the volume production of complete machine.

Description

a direct current appliance

technical field

The utility model relates to the technical field of electronic product manufacturing, in particular to a direct current electrical appliance.

Background technique

At present, the DC electrical appliances on the market, as shown in Figure 1, mostly adopt the split structure of the PCB board 1' and the battery pack connector 2', and the PCB board 1' and the battery pack connector 2' pass through The wires 3' are connected to form an integral structure, and then the integral structure is installed on the DC electrical product. Therefore, the prior art has the following defects:

First, one end of the wire 3' needs to be electrically connected to the PCB board 1', and the other end is electrically connected to the insert of the battery pack connector 2'. Due to the long length of the wire 3', for safety reasons, the wire 3' needs to be It is fixed by the wire slot and the wire pressing plate to avoid the electronic components on the PCB board 1' or the wire pressing when assembling the whole machine. The method of using the wire 3' connection and the need to additionally set up a wire slot has a complex structure, high production and manufacturing costs, affecting production efficiency, and increasing the product defect rate to a certain extent during mass production.

Secondly, most of the existing DC electrical products generally have the following two fixing methods, one is to first open a positioning hole on the PCB board 1', and fix it by bolts through the positioning hole; the other is to fix the DC electrical products on the A special circuit board slot is provided, and the circuit board slot is used to fix the PCB board 1'. These two methods not only make the internal structure of the whole machine complicated, but also increase the mold manufacturing cost and production cost.

Utility model content

The purpose of the utility model is to provide a direct current electrical appliance, which is used for reducing wire connection, simplifying the internal structure of the whole machine, and reducing the production cost and product defect rate.

For this purpose, the utility model adopts the following technical solutions:

A DC electrical appliance, comprising: a PCB board, a battery pack connector and a first installation structure, the PCB board and the battery pack connector are connected through the first installation structure, so that the PCB board and the battery pack are connected through the first installation structure. The battery pack connector forms an integrated structure.

Preferably, an insertion hole is provided on the PCB board, and the inserting piece of the battery pack connector passes through the insertion hole to form the first installation structure.

Preferably, the insert includes a plug portion and a limit portion, one end of the plug portion is connected to the limit portion, the other end is inserted into the insertion hole, and the limit portion abuts against the limit portion. the bottom of the PCB board.

Preferably, the above-mentioned DC electrical appliance body is also included, and the DC electrical appliance body and the PCB board are connected through a second mounting structure.

Preferably, an accommodating groove is provided on the DC electrical appliance body, the accommodating groove is used for accommodating the battery pack connector, and a supporting portion is protruded on the DC electrical appliance body, and the supporting portion is used for carrying the PCB board.

Preferably, a first hook is protruded on a side of the DC electrical appliance body close to the battery pack connector, and the first hook is abutted against the battery pack connector.

Preferably, a second hook is protruded from the side of the DC electrical appliance body away from the first hook, the second hook is in contact with the PCB board, and the first hook is connected to the first hook. The second hook forms the second installation structure.

Preferably, the DC electrical appliance further includes a cable, the cable is electrically connected to the PCB board, and a wire clip structure is provided on the DC electrical appliance body, and the wire clip structure is used to limit the cable. bit.

Preferably, the cable clamping structure includes a first limit seat, the first limit seat is arranged on the body of the DC electrical appliance, and a limit through hole is opened on the first limit seat, and the cable is inserted through the limiting through hole.

Preferably, the wire clamping structure includes a second limit seat, the second limit seat is arranged on the body of the DC electrical appliance, a limit slot is defined on the second limit seat, and the limit slot for accommodating the cable.

The beneficial effects of the present utility model:

The DC electrical appliance provided by the utility model connects the PCB board and the inserts of the battery pack connector through the first installation structure, so as to realize the fixed connection between the PCB board and the battery pack connector, which is consistent with the prior art. Compared with the method of wire connection, the PCB board and the battery pack connector form an integrated structure, which saves the wires used for connection, and does not need to install additional wire fixing parts such as wire clips and pressure plates due to the existence of wires, which simplifies the whole process. The internal structure of the machine saves production costs, and at the same time improves production efficiency and product qualification rate during mass production of the whole machine.

Description of drawings

Fig. 1 is the structural representation of prior art direct current electric appliance;

Fig. 2 is the structural representation of the DC electrical appliance of the present utility model;

Fig. 3 is a partial enlarged view of Fig. 2 at I;

Fig. 4 is the structural representation of the DC appliance body in the DC appliance of the present invention;

5 is a schematic structural diagram of the battery pack connector and the PCB board of the DC electrical appliance of the present invention being installed on the DC electrical appliance body;

Fig. 6 is the structural representation of the PCB board in the DC electrical appliance of the present invention;

7 is a schematic structural diagram of a battery pack connector in a DC electrical appliance of the present invention.

In the picture:

1', PCB board; 2', battery pack connector; 3', wire;

1. PCB board; 2. Battery pack connector; 3. DC electrical body; 4. Cable;

11, jack; 21, insert; 211, plug part; 212, limit part;

31, accommodating groove; 32, support part; 33, first hook; 34, second hook; 35, first limit seat; 36, second limit seat;

351, limit through hole; 361, limit slot.

Detailed ways

In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clearly, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. Obviously, the described embodiments are only Some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, unless otherwise expressly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or a fixed connection. It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be an internal connection between two elements or an interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features The features are not in direct contact but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

The technical solutions of the present utility model will be further described below with reference to the accompanying drawings and through specific embodiments.

The existing DC appliance adopts a split structure of the PCB board and the battery pack connector, and the PCB board and the battery pack connector are connected by wires, which has the problems of complex internal structure and high manufacturing cost. In order to solve this problem, this embodiment provides a DC electrical appliance. As shown in Figures 2-3, the DC electrical appliance includes a battery pack and a DC electrical appliance body 3, and the battery pack is installed on the casing of the DC electrical appliance body 3 to connect the DC electrical appliance to the DC electrical appliance. The body 3 is powered. The battery pack connector 2 is inserted from below the PCB board 1 to form an integral structure. The PCB board 1 is used as a carrier for the electrical connection of various electronic components, and the battery pack connector 2 is used to connect the battery pack to provide electric power. The structure is connected to realize the fixing and installation of the battery pack; by arranging the PCB board 1 and the battery pack connector 2 to be integrated, the structure of the wire connection is eliminated, the internal structure of the whole machine is simpler, and the production cost of the product is saved; At the same time, during the mass production of the whole machine, the production efficiency is improved, and the defective rate of the product is reduced.

Since the bottom surfaces of the PCB board 1 and the battery pack connector 2 are not on the same plane, the bottom surface of the PCB board 1 is higher than the bottom surface of the battery pack connector 2. Limiting and installation on the DC electrical appliance body 3 , as shown in FIG. 4 , an accommodation slot 31 is opened on the DC appliance body 3 . The accommodation slot 31 is used for accommodating the battery pack connector 2 , and is protruded on the DC appliance body 3 . There is a support portion 32 , and the support portion 32 is used to carry the PCB board 1 to make up for the height difference between the bottom surface of the PCB board 1 and the bottom surface of the battery pack connector 2 . In order to further realize the fixation of the PCB board 1 and the battery pack connector 2, as shown in Figures 3-4, the above-mentioned second installation structure includes a first hook 33 and a second hook 34, and the first hook 33 is protruded from the On the side of the DC electrical appliance body 3 close to the battery pack connector 2 , the first hook 33 abuts on the surface of the battery pack connector 2 . The second hook 34 is protruded on the side of the DC electrical appliance body 3 away from the first hook 33 , and the second hook 34 abuts against the PCB board 1 . By arranging the first hook 33 and the second hook 34, the design of the circuit board groove inside the whole machine is cancelled, and the cost of mold manufacturing is reduced.

Optionally, the number of the first hooks 33 and the number of the second hooks 34 are both two, and the two first hooks 33 are symmetrically arranged on both sides of the battery pack connector 2 and abut against the battery pack respectively. The two ends of the plug connector 2 ensure the positional stability of the battery pack connector 2; the two second hooks 34 are symmetrically arranged on both sides of the PCB board 1 and abut against both ends of the PCB board 1, respectively. In order to ensure the positional stability of the PCB board 1 .

It can be understood that although the wires between the PCB board 1 and the battery pack connector 2 are cancelled, in order to realize the communication connection between the PCB board 1 and other electronic components, as shown in Figure 3-4, the DC electrical appliance also includes: Cable 4, the cable 4 is electrically connected to the PCB board 1, and is used to realize signal information transmission between the PCB board 1 and other electronic components. In order to avoid the contact between the cable 4 and the electronic components or the situation that the cable is pressed when the whole machine is assembled, a wire clip structure is provided on the DC electrical appliance body 3, and the wire clip structure is used to limit the position of the cable 4 to reduce safety regulations. question.

Specifically, as shown in FIGS. 3-4 , the wire clamping structure includes a first limit seat 35 and a second limit seat 36 , a limit through hole 351 is formed on the first limit seat 35 , and the cable 4 is passed through the In the limiting through hole 351 , a limiting slot 361 is defined on the second limiting seat 36 , and the limiting slot 361 is used for accommodating the cable 4 . During installation, pass the free end of the cable 4 through the limiting through hole 351, and the limiting through hole 351 plays the role of pressing down and collecting the cable 4, and then the cable 4 is placed in the limiting slot 361, It plays a role in limiting the position of the cable 4. By arranging the first limit seat 35 and the second limit seat 36 on the DC electrical appliance body 3 respectively, the clamping structure of the cable 4 is set on the same material, avoiding the need to design the cable 4 because the cable 4 is too long. Problems with multiple card line structures. Only two parts of the first limit seat 35 and the second limit seat 36 need to be set on the DC electrical appliance body 3 to meet the design requirements, and the wire-fixing structures such as the wire-clamping groove and the wire-pressing plate inside the whole machine are cancelled. To a certain extent, the production cost of the mold is reduced.

As shown in FIG. 5 , the DC electrical appliance includes a PCB board 1 , a battery pack connector 2 and a first mounting structure. The PCB board 1 and the inserts 21 of the battery pack connector 2 are connected through the first mounting structure.

In the DC electrical appliance provided in this embodiment, the PCB board 1 and the battery pack connector 2 are connected through the first installation structure, so as to realize the fixed connection between the PCB board 1 and the battery pack connector 2, which is incompatible with the existing Compared with the method of wire connection technology, the PCB board 1 and the battery pack connector 2 form an integrated structure, which saves the wires used for connection, and does not need to provide additional wire fixing parts such as wire clamping grooves and pressing plates due to the existence of wires. The internal structure of the whole machine is simplified, the production cost is saved, and the production efficiency and the qualified rate of the products are improved during the mass production of the whole machine.

Further, as shown in Figures 6-7, in order to realize the integrated molding of the PCB board 1 and the battery pack connector 2, a jack 11 is provided on the PCB board 1, and the jack 11 is a long hole structure, and the battery pack is inserted into the socket 11. The insert piece 21 of the connector 2 is inserted through and connected to the socket 11 , and the above-mentioned first installation structure is formed by the mutual cooperation of the socket 11 and the insert piece 21 . During installation, after inserting the insert 21 into the jack 11, the insert portion 211 of the insert 21 and the inner wall of the jack 11 can be connected by welding, so as to realize the PCB board 1 and the battery pack connector 2 The two are assembled by welding process, the operation is simple, convenient and fast, and the connection and fixing effect is good. Of course, in other embodiments, the first installation structure can also be other structures, such as a buckle structure, specifically, the battery pack connector has a hook, and the hook is inserted into the hole on the PCB board during installation. For fixing, the first installation structure can also be directly welded, which is not limited here, as long as the PCB board 1 and the battery pack connector 2 are integrally formed.

It can be understood that the number of jacks 11 and the number of inserts 21 are the same, both are multiple, a plurality of jacks 11 are arranged at intervals in parallel, a plurality of inserts 21 are arranged at intervals in parallel, and each insert 21 corresponds to a jack 11. In this embodiment, preferably, the number of jacks 11 and the number of inserts 21 are both three, and the specific number is not limited, and can be adjusted according to actual production needs.

Specifically, in order to limit the insertion position of the jack 11 and the insert 21, as shown in FIG. The shapes of the plug-in portion 211 and the socket 11 are adapted to each other. One end of the plug-in portion 211 is connected to the limiting portion 212 , and the other end can pass through the socket 11 . The inserting portion 211 is protruded on the limiting portion 212, and along the extending direction of the socket 11, the length of the limiting portion 212 is greater than the length of the inserting portion 211. After the direction is inserted into the jack 11 , the limiting portion 212 can abut against the bottom of the PCB board 1 , and the limiting portion 212 plays a limiting role. It can be understood that, in order to further save production costs, it is preferable that the plug portion 211 and the limiting portion 212 are integrally formed.

In the description herein, it should be understood that the terms "upper", "lower", "right", etc. are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of description and simplified operation, Rather than indicating or implying that the indicated device or element must have a particular orientation, be constructed and operate in a particular orientation, it should not be construed as a limitation of the present invention. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

In the description of this specification, reference to the description of the terms "an embodiment", "example" etc. means that a particular feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example.

In addition, the above are only the preferred embodiments of the present invention and the applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments and substitutions can be made to those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present utility model has been described in detail through the above embodiments, the present utility model is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present utility model. Rather, the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. A direct current electrical appliance, characterized in that it comprises: a PCB board (1), a battery pack connector (2) and a first mounting structure, the PCB board (1) and the battery pack connector (2) ) are connected through a first mounting structure, so that the PCB board (1) and the battery pack connector (2) form an integrated structure. 2 . The DC electrical appliance according to claim 1 , wherein a socket ( 11 ) is provided on the PCB board ( 1 ), and the insert ( 21 ) of the battery pack connector ( 2 ) passes through the insert ( 21 ) of the battery pack connector ( 2 ). 3 . It is arranged in the insertion hole (11) to form the first installation structure. 3. The DC electrical appliance according to claim 2, characterized in that, the insert (21) comprises a plug portion (211) and a limit portion (212), and one end of the plug portion (211) is connected to the The other end of the limiting portion (212) is inserted through the insertion hole (11), and the limiting portion (212) is in contact with the bottom of the PCB board (1). 4. The DC electrical appliance according to claim 3, characterized in that, the DC electrical appliance further comprises a DC electrical appliance body (3), and the DC electrical appliance body (3) and the PCB board are connected to each other through a second mounting structure. connect. 5 . The DC electrical appliance according to claim 4 , characterized in that an accommodation groove ( 31 ) is opened on the DC appliance body ( 3 ), and the accommodation groove ( 31 ) is used for accommodating the insertion of the battery pack. 6 . The component (2) is provided with a support portion (32) protruding on the DC electrical appliance body (3), and the support portion (32) is used to carry the PCB board (1). 6 . The DC electrical appliance according to claim 4 , wherein a first hook ( 33 ) is protruded from the side of the DC electrical appliance body ( 3 ) close to the battery pack connector ( 2 ). 7 . , the first hook (33) is in contact with the battery pack connector (2). 7. The DC appliance according to claim 6, characterized in that a second hook (34) is protruded on the side of the DC appliance body (3) away from the first hook (33), The second hook (34) is in contact with the PCB board (1), and the first hook (33) and the second hook (34) form the second installation structure. 8. The DC electrical appliance according to claim 4, characterized in that, the DC electrical appliance further comprises a cable (4), the cable (4) is electrically connected to the PCB board (1), and the DC electrical appliance is A wire clamping structure is provided on the main body (3) of the device, and the wire clamping structure is used to limit the position of the cable (4). 9 . The DC electrical appliance according to claim 8 , wherein the wire clamping structure comprises a first limit seat ( 35 ), and the first limit seat ( 35 ) is arranged on the DC electrical appliance body ( 3 ). 10 . ), a limiting through hole (351) is formed on the first limiting seat (35), and the cable (4) is passed through the limiting through hole (351). 10. The DC electrical appliance according to claim 9, characterized in that, the wire clamping structure comprises a second limit seat (36), and the second limit seat (36) is arranged on the DC electrical appliance body (3). ), a limiting slot (361) is provided on the second limiting seat (36), and the limiting slot (361) is used for accommodating the cable (4).

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