Circuit board stacking structure and charger

Abstract

The utility model belongs to the technical field of chargers, and discloses a circuit board stacking structure and a charger, the circuit board stacking structure comprises a first circuit board and a second circuit board, the second circuit board is vertically arranged on the first circuit board; a third circuit board and a fourth circuit board are further included, the third circuit board and the fourth circuit board are perpendicularly arranged on the second circuit board, and the third circuit board and the fourth circuit board are parallel to the first circuit board; the third circuit board and the fourth circuit board are connected through the fixing piece; the first circuit board is arranged on one side of the second circuit board, so that a containing space used for installing components is formed between one side of the first circuit board and the second circuit board. The multi-circuit board stacking mode is adopted, simple arrangement of a single circuit board is avoided, the internal structure of the charger is optimized, the overall area of the charger is reduced, and the charger is convenient to carry by a user.

Description

Technical Field

[0001] The utility model relates to a circuit board stacking structure and a charger, belonging to the technical field of chargers. Background Art

[0002] A charger is a charging device that uses high-frequency power supply technology and advanced intelligent dynamic adjustment charging technology. It is generally connected to the charged device through the charging output port to charge the battery of the electronic device. There are many types of chargers on the market, but the functions of the products are very single. One type is a simple mobile power function, and the other is a charger with an adapter function. In today's society, as people rely on electronic products, mobile phones, notebooks, tablets and other similar charging devices are used at many times and occasions. In order to prevent the equipment from being powered off, especially when traveling on business, a large number of chargers need to be carried, which will increase the burden of going out. Therefore, although many portable chargers can achieve multi-port output, the multiple output ports are arranged on a single circuit board, which makes the overall area of ​​the charger larger and not easy to carry. Utility Model Content

[0003] In view of the deficiencies of the above-mentioned prior art, the purpose of the utility model is to provide a circuit board stacking structure, wherein the second circuit board is vertically arranged on the first circuit board; the third circuit board and the fourth circuit board are vertically arranged on the second circuit board, and the third circuit board and the fourth circuit board are parallel to the first circuit board; the third circuit board and the fourth circuit board are connected by a fixing member; a multi-circuit board stacking method is adopted to avoid the simple arrangement of a single circuit board, reduce the overall area of ​​the charger, and facilitate users to carry it.

[0004] To achieve the above-mentioned purpose, the utility model provides a circuit board stacking structure, including: a first circuit board and a second circuit board, the second circuit board is vertically arranged on the first circuit board; also including a third circuit board and a fourth circuit board, the third circuit board and the fourth circuit board are vertically arranged on the second circuit board, and the third circuit board and the fourth circuit board are parallel to the first circuit board; also including a fixing member, the third circuit board and the fourth circuit board are connected by the fixing member; the first circuit board is arranged on one side of the second circuit board, so that a receiving space for installing components is formed between one side of the first circuit board and the second circuit board.

[0005] Furthermore, as a more preferred embodiment of the present invention, U-shaped grooves for installing the sockets are respectively provided on both sides of the third circuit board and the fourth circuit board, and the size of the U-shaped grooves is adapted to the plugs.

[0006] Further, as a more preferred embodiment of the present invention, a first card slot is provided on the first circuit board, and a first protrusion adapted to the first card slot is provided on one side of the second circuit board, and the first protrusion can be correspondingly inserted into the first card slot;

[0007] The second card slots are evenly distributed on the second circuit board, and one end of the third circuit board and the fourth circuit board are respectively provided with second protrusions adapted to the second card slots, and the second protrusions can be correspondingly inserted into the second card slots.

[0008] Furthermore, as a more preferred embodiment of the utility model, the fixing part includes a horizontal plate and T-shaped clamps arranged at both ends of the horizontal plate, and the tops of the third circuit board and the fourth circuit are respectively provided with clamping grooves similar to the T-shaped clamps, and the middle part of the T-shaped clamps can be clamped in the clamping grooves accordingly.

[0009] Furthermore, as a more preferred embodiment of the utility model, it also includes a fifth circuit board, which is arranged perpendicularly to the first circuit board and the second circuit board respectively; the first circuit board is evenly distributed with third card slots, and one end of the fifth circuit board is provided with a third protrusion adapted to the third card slot, and the third protrusion can be inserted into the third card slot accordingly.

[0010] Based on the same inventive concept, the utility model also provides a charger, comprising: a shell, a shell cover and the above-mentioned circuit board stacking structure; the interior of the shell is hollow and can accommodate the circuit board stacking structure; a plurality of output terminal sockets are arranged on one side of the third circuit board and the fourth circuit board of the circuit board stacking structure, and an input terminal socket is arranged on the other end; a fifth circuit board of the circuit board stacking structure is provided with a power cord quick-connect socket on a surface on the same side as the input terminal socket; the shell is respectively provided with openings on both sides corresponding to the output terminal socket and the input terminal socket; a shell cover is detachably installed on the opening; the shell cover is respectively provided with slots adapted to the output terminal socket, the input terminal socket and the power cord quick-connect socket; the circuit board stacking structure is arranged inside the shell, and when the two shell covers are respectively connected to the openings on both sides of the shell, the inner walls of the shell covers are respectively abutted against the two sides of the circuit board stacking structure, and at the same time, a plurality of output terminal sockets and the input terminal sockets are correspondingly inserted into the slots; the first circuit board of the circuit board stacking structure is electrically connected to the second circuit board, and the second circuit board is respectively electrically connected to the third circuit board and the fourth circuit board.

[0011] Furthermore, as a more preferred embodiment of the present invention, the accommodation space on one side of the first circuit board of the circuit board stacking structure is used to install heat-generating components, and a heat-conducting plate is installed on the other side.

[0012] Furthermore, as a more preferred embodiment of the utility model, the inner wall of the shell is provided with a plurality of guide grooves so that when the circuit board stacking structure is placed along an opening of the shell, the outer edges of the first circuit board, the second circuit board, the third circuit board and the fourth circuit board can be correspondingly inserted to form a limited state.

[0013] Furthermore, as a more preferred embodiment of the present invention, the shell cover is evenly provided with guide strips on the outer edge of the inner side of the slot, and the guide strips are provided with guide slopes; the U-shaped slots of the first circuit board and the second circuit board are provided with guide protrusions on both sides of the slot, and the guide protrusions can be inserted along the guide slopes so that the output end socket or the input end socket can be correspondingly inserted into the slot, and the bottom of the guide slope can abut against the guide protrusion to form a side limit state for the output end socket or the input end socket.

[0014] Furthermore, as a more preferred embodiment of the present invention, the opening edge of the shell is evenly distributed with snap grooves, and the shell cover is provided with snaps that are compatible with the snap grooves. The snaps of the shell cover are aligned with the snap grooves, and the shell cover is pressed so that the snaps are snapped into the snap grooves to form a clamped state.

[0015] Compared with the prior art, the beneficial effects are:

[0016] 1. The second circuit board of the utility model is vertically arranged on the first circuit board; the third circuit board and the fourth circuit board are vertically arranged on the second circuit board, and the third circuit board and the fourth circuit board are parallel to the first circuit board; the third circuit board and the fourth circuit board are connected by a fixing member; a multi-circuit board stacking method is adopted to avoid the simple arrangement of a single circuit board, reduce the overall area of ​​the charger, and facilitate users to carry; the second circuit board can be used as a supporting plate for the third circuit board and the fourth circuit board, and can also be used as an electrical connector; the third circuit board and the fourth circuit board can be used to centrally arrange various plugs, so that users can find the desired plug connection; a storage space for installing components is formed between one side of the first circuit board and the second circuit board, and the storage space can be used for the arrangement of heat-generating components, and is far away from the third circuit board and the fourth circuit board, so when the user unplugs the plug of the data cable from the output end socket or the input end socket of the third circuit board and the fourth circuit board, it is not easy to feel the heat.

[0017] 2. In the utility model, U-shaped grooves for installing sockets are respectively provided on both sides of the third circuit board and the fourth circuit board. Matching sockets can be welded in the U-shaped grooves, and the inner walls of the U-shaped grooves can effectively abut the sockets. During multiple plugging and unplugging processes, the inner walls of the U-shaped grooves can provide effective support for the sockets, making the connection more secure.

[0018] 3. In the utility model, one side of the second circuit board is clamped into the first slot of the first circuit board through the first protrusion, and the other side can be clamped through the guide slot of the inner wall of the shell to form a stable support for the third circuit board and the fourth circuit board; the second protrusion at one end of the third circuit board and the fourth circuit board can be correspondingly inserted into the second slot of the second circuit board, and the other end can be connected and fixed by a fixing member to form a parallel and stable support state.

[0019] 4. In order to facilitate user use, various output terminal sockets are set on one side of the charger shell for plugging in wires and connecting electricity, and input terminal sockets are set on the other side for inserting user data cable plugs. The fifth circuit board is adopted in the utility model, which is inserted into the third card slot of the first circuit board through the third protrusion to form a fixed connection. The fifth circuit board is used for connecting the power cord quick-connect socket. The power cord quick-connect socket is usually a flat port, which is suitable for being set on the surface of the circuit board to form a strong support. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Schematic diagram of the three-dimensional structure of the circuit board stacking structure in the embodiment.

[0021] Figure 2 Schematic diagram of the unfolded structure of the circuit board stacking structure in the embodiment.

[0022] Figure 3 Schematic diagram of the expanded structure of the charger in the embodiment.

[0023] Figure 4 Schematic diagram of the structure of the shell cover in the embodiment.

[0024] Figure 5 It is a schematic diagram of the arrangement structure of the guide slot in the embodiment.

[0025] Figure 6 Schematic diagram of the structure of the charger in the embodiment.

[0026] Reference numerals:

[0027] 1-first circuit board, 11-first card slot, 12-third card slot, 13-heat conducting plate;

[0028] 2-second circuit board, 21-first protrusion, 22-second slot;

[0029] 3-third circuit board, 31-U-shaped groove, 32-second protrusion, 33-slot, 34-output end socket, 35-input end socket, 36-guide protrusion;

[0030] 4- fourth circuit board;

[0031] 5-fixing part, 51-cross plate, 52-T-type clamp.

[0032] 6-fifth circuit board, 61-third protrusion, 62-power cord quick-connect socket;

[0033] 7-housing, 71-opening, 711-buckle notch, 72-guide slot, 73-clamping strip;

[0034] 8-shell cover, 81-slot hole, 82-guide strip, 83-buckle. DETAILED DESCRIPTION

[0035] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of this application.

[0036] It should be noted that when an element is referred to as being "fixed on" or "set on" another component, it can be directly on the other component or indirectly set on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component.

[0037] It should be understood that the orientation or position relationship indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0038] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" and "several" mean two or more, unless otherwise clearly and specifically defined.

[0039] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0040] Example

[0041] This embodiment is intended to promote a solution to the problem that multiple output ports in the existing multi-port charger are arranged on a single circuit board, resulting in the overall area of ​​the charger becoming larger and not easy to carry.

[0042] To solve the above problems, the present embodiment provides a circuit board stacking structure, in which the second circuit board 2 is vertically arranged on the first circuit board 1; the third circuit board 3 and the fourth circuit board are vertically arranged on the second circuit board 2, and the third circuit board 3 and the fourth circuit board 4 are parallel to the first circuit board 1; the third circuit board 3 and the fourth circuit board 4 are connected by a fixing member 5; a multi-circuit board stacking method is adopted to avoid the simple arrangement of a single circuit board, and the space inside the charger can be effectively optimized, thereby reducing the overall area of ​​the charger and making it convenient for users to carry.

[0043] To achieve the above effect, refer to Figure 1 and 2 As shown, this embodiment provides a circuit board stacking structure, including: a first circuit board 1 and a second circuit board 2, the second circuit board 2 is vertically arranged on the first circuit board 1; also includes a third circuit board 3 and a fourth circuit board 4, the third circuit board 3 and the fourth circuit board 4 are vertically arranged on the second circuit board 2, and the third circuit board 3 and the fourth circuit board 4 are parallel to the first circuit board 1; also includes a fixing member 5, the third circuit board 3 and the fourth circuit board 4 are connected by the fixing member 5; the first circuit board 1 is arranged on one side of the second circuit board 2, so that a receiving space for installing components is formed between one side of the first circuit board 1 and the second circuit board 2.

[0044] Specifically, refer to Figure 2 As shown, U-shaped grooves 31 for installing the sockets are respectively provided on both sides of the third circuit board 3 and the fourth circuit board 4, and the size of the U-shaped grooves 31 is adapted to the sockets.

[0045] Specifically, refer to Figure 2 As shown, a first card slot 11 is provided on the first circuit board 1, and a first protrusion 21 adapted to the first card slot 11 is provided on one side of the second circuit board 2, and the first protrusion 21 can be correspondingly inserted into the first card slot 11;

[0046] The second card slots 22 are evenly distributed on the second circuit board 2 , and one end of the third circuit board 3 and the fourth circuit board 4 are respectively provided with second protrusions 32 adapted to the second card slots 22 , and the second protrusions 32 can be correspondingly inserted into the second card slots 22 .

[0047] Specifically, refer to Figure 2 As shown, the fixing member 5 includes a horizontal plate 51 and T-shaped clamps 52 arranged at both ends of the horizontal plate 51, and the tops of the third circuit board 3 and the fourth circuit are respectively provided with clamping grooves 33 similar to the T-shaped clamps 52, and the middle part of the T-shaped clamps 52 can be clamped in the clamping grooves 33 accordingly.

[0048] Specifically, refer to Figure 1 and 2As shown, the circuit board stacking structure also includes a fifth circuit board 6, which is arranged vertically with the first circuit board 1 and the second circuit board 2 respectively; the first circuit board 1 is evenly distributed with third card slots 12, and one end of the fifth circuit board 6 is provided with a third protrusion 61 adapted to the third card slot 12, and the third protrusion 61 can be correspondingly inserted into the third card slot 12.

[0049] Based on the above circuit board stacking structure, refer to Figure 3 As shown, this embodiment also provides a charger, including: a shell 7, a shell cover 8 and the above-mentioned circuit board stacking structure; the interior of the shell 7 is hollow and can accommodate the circuit board stacking structure; a third circuit board 3 and a fourth circuit board 4 of the circuit board stacking structure are provided with a plurality of output terminal sockets 34 on one side, and an input terminal socket 35 on the other end; a fifth circuit board 6 of the circuit board stacking structure is provided with a power cord quick-connect socket 62 on a surface on the same side as the input terminal socket 35; the shell 7 is provided with openings 71 on both sides corresponding to the output terminal socket 34 and the input terminal socket 35; the opening 71 can be The shell cover 8 is disassembled and installed; the shell cover 8 is respectively provided with slots 81 adapted to the output terminal socket 34, the input terminal socket 35 and the power cord quick-connect socket 62; the circuit board stacking structure is arranged inside the shell 7, and when the two shell covers 8 are respectively connected to the two side openings 71 of the shell 7, the inner walls of the shell covers 8 are respectively abutted against the two sides of the circuit board stacking structure, and at the same time, a plurality of output terminal sockets 34 and input terminal sockets 35 are correspondingly inserted into the slots 81; the first circuit board 1 of the circuit board stacking structure is electrically connected to the second circuit board 2, and the second circuit board 2 is respectively electrically connected to the third circuit board 3 and the fourth circuit board 4.

[0050] Specifically, refer to Figure 3 As shown, the accommodation space on one side of the first circuit board 1 of the circuit board stacking structure is used to install heat-generating components, and a heat-conducting plate 13 is installed on the other side.

[0051] Specifically, the inner wall of the shell 7 is provided with a plurality of guide slots 72 so that when the circuit board stacking structure is placed along an opening 71 of the shell 7, the outer edges of the first circuit board 1, the second circuit board 2, the third circuit board 3 and the fourth circuit board 4 can be correspondingly inserted to form a limited state.

[0052] Specifically, refer to Figure 4 As shown, the shell cover 8 is evenly provided with guide strips 82 on the outer edge of the inner side of the slot 81, and the guide strips 82 are provided with guide slopes; the U-shaped slots 31 of the first circuit board 1 and the second circuit board 2 are provided with guide protrusions 36 on both sides of the slots, and the guide protrusions 36 can be inserted along the guide slopes so that the output terminal socket 34 or the input terminal socket 35 can be correspondingly inserted into the slot 81, and the bottom of the guide slope can abut against the guide protrusion 36 to form a side limit state for the output terminal socket 34 or the input terminal socket 35.

[0053] The guide strips 82 may also be disposed on both sides of the corresponding output port 34 or input port 35 (except both sides of the guide protrusion 36 ), so that the output port 34 or input port 35 may be in a limited position in four directions.

[0054] Specifically, refer to Figure 3 As shown, the edges of the opening 71 of the shell 7 are evenly distributed with snap-on 83 notches 711, and the shell cover 8 is provided with snap-on 83 adapted to the snap-on notches. The snap-on 83 of the shell cover 8 is aligned with the snap-on 83 notches 711, and the shell cover 8 is pressed so that the snap-on 83 is snapped into the snap-on 83 notches 711 to form a clamping state. At the same time, the two shell covers are connected and the circuit board stacking structure can be limited.

[0055] In some embodiments, the shell cover 8 may also be fixed to the shell body by screws.

[0056] It should be added that, refer to Figure 5 As shown, the inner wall of the shell 7 is also provided with a clamping strip 73, and the clamping strip 73 is also provided with a slope. The position of the clamping strip 73 corresponds to the position of one side of the fifth circuit board 6. When the circuit board stacking structure is placed into the shell 7 along the opening 71 of the shell 7, the end edge of the first circuit board 1 is first clamped into the guide slot 72. During the insertion process, as the slope of the clamping strip 73 gradually increases, it will first press against the fifth circuit board 6 and slowly squeeze it. When the circuit board stacking structure is installed in place in the shell 7, it is clamped by the shell cover 8. The fifth circuit board 6 can not only be supported by the clamping strip 73, but also press the first circuit board 1 against the inner side of the guide slot 72, thereby forming an effective fixation.

[0057] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A circuit board stacking structure, characterized in that: include: A first circuit board and a second circuit board, wherein the second circuit board is vertically arranged on the first circuit board; It also includes a third circuit board and a fourth circuit board, the third circuit board and the fourth circuit board are vertically arranged on the second circuit board, and the third circuit board and the fourth circuit board are parallel to the first circuit board; Also included is a fixing member, through which the third circuit board and the fourth circuit board are connected; The first circuit board is arranged on one side of the second circuit board, so that an accommodation space for installing components is formed between the one side of the first circuit board and the second circuit board.

2. The circuit board stacking structure according to claim 1, characterized in that: U-shaped grooves for installing the sockets are respectively arranged on both sides of the third circuit board and the fourth circuit board, and the size of the U-shaped grooves is adapted to the sockets.

3. The circuit board stacking structure according to claim 1, characterized in that: A first card slot is provided on the first circuit board, and a first protrusion adapted to the first card slot is provided on one side of the second circuit board, and the first protrusion can be correspondingly inserted into the first card slot; The second card slots are evenly distributed on the second circuit board, and one end of the third circuit board and the fourth circuit board are respectively provided with second protrusions adapted to the second card slots, and the second protrusions can be correspondingly inserted into the second card slots.

4. The circuit board stacking structure according to claim 1, characterized in that: The fixing member includes a horizontal plate and T-shaped clamps arranged at both ends of the horizontal plate. The tops of the third circuit board and the fourth circuit are respectively provided with clamping slots similar to the T-shaped clamps, and the middle part of the T-shaped clamps can be clamped in the clamping slots accordingly.

5. The circuit board stacking structure according to claim 1, characterized in that: It also includes a fifth circuit board, which is arranged perpendicularly to the first circuit board and the second circuit board respectively; the first circuit board is evenly distributed with third card slots, and one end of the fifth circuit board is provided with a third protrusion adapted to the third card slot, and the third protrusion can be correspondingly inserted into the third card slot.

6. A charger, characterized in that: include: A housing, a housing cover and a circuit board stacking structure as claimed in any one of claims 1 to 5; the interior of the housing is hollow and can accommodate the circuit board stacking structure; The third circuit board and the fourth circuit board of the circuit board stacking structure are provided with a plurality of output terminal sockets on one side and an input terminal socket on the other end; The fifth circuit board of the circuit board stacking structure is provided with a power cord quick-connect socket on a surface on the same side as the input terminal socket; The shell is provided with openings on both sides corresponding to the output end socket and the input end socket respectively; and a shell cover is detachably mounted on the opening; The shell cover is respectively provided with slots adapted to the output terminal socket, the input terminal socket and the power cord quick-connect socket; The circuit board stacking structure is arranged inside the shell, and when the two shell covers are respectively connected to the two side openings of the shell, the inner walls of the shell covers are respectively in contact with the two sides of the circuit board stacking structure, and at the same time, a plurality of output end sockets and input end sockets are correspondingly inserted into the slots; The first circuit board of the circuit board stacking structure is electrically connected to the second circuit board, and the second circuit board is electrically connected to the third circuit board and the fourth circuit board respectively.

7. The charger according to claim 6, characterized in that: The accommodation space on one side of the first circuit board of the circuit board stacking structure is used to install heat-generating components, and a heat-conducting plate is installed on the other side.

8. The charger according to claim 6, characterized in that: The inner wall of the shell is provided with a plurality of guide slots, so that when the circuit board stacking structure is placed along an opening of the shell, the outer edges of the first circuit board, the second circuit board, the third circuit board and the fourth circuit board can be correspondingly inserted to form a limited state.

9. The charger according to claim 6, characterized in that: The shell cover is evenly provided with guide strips on the outer edge of the inner side of the slot, and the guide strips are provided with guide slopes; the U-shaped slots of the first circuit board and the second circuit board are provided with guide protrusions on both sides of the slot, and the guide protrusions can be inserted along the guide slopes so that the output end socket or the input end socket can be correspondingly inserted into the slot, and the bottom of the guide slope can abut against the guide protrusion to form a side limit state for the output end socket or the input end socket.

10. The charger according to claim 6, characterized in that: The opening edge of the shell is evenly distributed with buckle slots, and the shell cover is provided with buckles that match the buckle slots. The buckles of the shell cover are aligned with the buckle slots, and the shell cover is pressed so that the buckles are snapped into the buckle slots to form a clamping state.

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