Power supply device and electrical connection structure

Abstract

The utility model relates to a power supply device and an electric connection structure. The electric connection structure is arranged on a shell of the power supply device, and comprises a mounting seat body, a first opening, a second opening and a third opening, a mounting cavity is defined on the inner side of the mounting seat body, and the mounting seat body is provided with a second opening, at least part of the terminal assembly is installed in the installation cavity, and the wiring end of the terminal assembly penetrates out of the first opening; the cover body is arranged on the terminal assembly in a sleeving manner, and the cover body and the first opening are arranged in an opening and closing manner; and the waterproof sealing structure is arranged between the cover body and the mounting seat body and is used for sealing a gap between the cover body and the mounting seat body when the cover body covers the first opening. The electric connection structure is provided with the waterproof sealing structure to seal the gap between the cover body and the mounting seat body, so that the waterproof sealing effect is achieved, water vapor in the environment is prevented from entering the mounting seat body to influence normal use of the terminal assembly, the overall connection stability of the power supply device is improved, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of power supply, in particular to a power supply device and an electrical connection structure. Background Art

[0002] In the related art, the electrical connection structure on the power supply device is usually an exposed conductive connection wire, which is generally placed directly in the environment. In some embodiments, a terminal assembly is also used as the electrical connection structure. Water vapor in the environment can easily enter the gap at the installation location of the terminal assembly, which can easily cause damage to the terminal assembly, thereby affecting the service life of the power supply device. Utility Model Content

[0003] The technical problem to be solved by the present invention is to provide an improved electrical connection structure, and further provide an improved power supply device.

[0004] The technical solution adopted by the present invention to solve the technical problem is to construct an electrical connection structure, which is arranged on the housing of the power supply device and includes:

[0005] A mounting seat body, wherein an inner side of the mounting seat body defines a mounting cavity, and the mounting seat body is provided with a first opening communicating with the mounting cavity;

[0006] a terminal assembly, at least partially mounted in the mounting cavity, with a terminal end of the terminal assembly extending through the first opening;

[0007] a cover body, sleeved on the terminal assembly and opening and closing with the first opening;

[0008] The waterproof sealing structure is provided between the cover body and the mounting seat body, and seals the gap between the cover body and the mounting seat body when the cover body covers the first opening.

[0009] In some embodiments, the end surface where the first opening is located is an inclined surface;

[0010] A side of the cover body opposite to the mounting seat body is provided with a fitting surface that fits with the inclined surface;

[0011] The waterproof sealing structure is arranged between the inclined surface and the fitting surface.

[0012] In some embodiments, the waterproof sealing structure is embedded in the cover body.

[0013] In some embodiments, a first receiving groove is formed on a side of the cover body facing the mounting base body;

[0014] The waterproof sealing structure is partially accommodated in the first accommodating groove.

[0015] In some embodiments, the cover body is provided with a cavity that is assembled with the mounting cavity; a second opening is provided on a side of the cover body facing the mounting seat body, and the second opening is communicated with the cavity;

[0016] The waterproof sealing structure is arranged on the circumference of the second opening.

[0017] In some embodiments, a second accommodating groove is provided on the end surface where the first opening is located; the second accommodating groove is provided along the circumference of the first opening for the waterproof sealing structure to be pressed into.

[0018] In some embodiments, the cover body and the mounting seat body are detachably connected by providing a connecting assembly.

[0019] In some embodiments, a positioning structure is provided on the mounting base and the cover; the positioning structure includes a positioning hole and a positioning column;

[0020] The positioning hole is provided on the mounting seat body;

[0021] The positioning posts are arranged on a side of the cover body facing the mounting seat body; the positioning posts are arranged in a one-to-one correspondence with the positioning holes so as to be inserted into the positioning holes.

[0022] In some embodiments, the waterproof sealing structure includes a waterproof sealing ring.

[0023] The utility model also constructs a power supply device, which comprises a shell, and the electrical connection structure of the utility model is arranged on the shell.

[0024] The implementation of the power supply device and electrical connection structure of the utility model has the following beneficial effects: the electrical connection structure provides a waterproof sealing structure on the mounting base and the cover body, and then when the cover body covers the first opening on the mounting base body for the terminal terminal of the terminal assembly to pass through, the gap between the cover body and the mounting base body is sealed, thereby playing a waterproof sealing role, preventing water vapor in the environment from entering the mounting base body and affecting the normal use of the terminal assembly, and improving the overall connection stability and service life of the power supply device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0026] Figure 1 It is a schematic structural diagram of a power supply device in some embodiments of the present utility model;

[0027] Figure 2 yes Figure 1 Another perspective structural diagram of the power supply device shown;

[0028] Figure 3 yes Figure 1 A partial structural cross-sectional view of the power supply device shown;

[0029] Figure 4 yes Figure 1 A schematic diagram of the partial structure of the power supply device shown;

[0030] Figure 5 yes Figure 1 An exploded view of the power supply unit shown;

[0031] Figure 6 yes Figure 5 A schematic diagram of the housing structure of the power supply device shown;

[0032] Figure 7 yes Figure 6 A schematic structural diagram of the housing from another angle is shown;

[0033] Figure 8 yes Figure 5 A schematic diagram of the cover structure of the power supply device shown;

[0034] Figure 9 yes Figure 8 A schematic structural diagram of the cover body from another angle is shown. DETAILED DESCRIPTION

[0035] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific embodiments of the present invention are now described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "up", "down", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inside", "outside", "head", "tail", etc. are based on the directions or positional relationships shown in the accompanying drawings and are constructed and operated in specific directions. They are only for the convenience of describing the present technical solution and do not indicate that the devices or components referred to must have specific directions. Therefore, they should not be understood as limiting the present invention.

[0036] It should also be noted that, unless otherwise clearly specified and limited, terms such as "installed", "connected", "connected", "fixed", and "set" should be understood in a broad sense. For example, they can be fixedly connected, detachably connected, or integrated; they can be mechanically connected or electrically connected; they can be directly connected or indirectly connected through an intermediate medium, and they can be internal connections between two elements or interactions between two elements. When an element is referred to as being "on" or "under" another element, the element can be "directly" or "indirectly" located on the other element, or there may be one or more intervening elements. The terms "first", "second", and "third" are only used to facilitate the description of the present technical solution and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", and "third" can explicitly or implicitly include one or more of these features. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0037] In the following description, specific details such as specific system structures and techniques are provided for purposes of illustration, not limitation, to facilitate a thorough understanding of the embodiments of the present invention. However, it will be apparent to those skilled in the art that the present invention may be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to avoid obscuring the description of the present invention with unnecessary detail.

[0038] Figure 1 and Figure 2 Some preferred embodiments of the power supply device of the present invention are shown. The power supply device can be used to connect an external power supply and an electrical device. In some embodiments, the power supply device can be, but is not limited to, a UFO power supply. The external power supply can be AC power. The electrical device can be a lamp. Of course, it is understandable that in some other embodiments, the external power supply is not limited to an AC power supply, such as AC power; it can also be a DC power supply, such as a battery. The electrical device is not limited to a lamp, but can be an electronic device, such as a laptop, etc. The power supply device has the advantages of simple structure, easy use, wide range of use, and high user experience.

[0039] like Figures 3 to 5As shown, further, in some embodiments, the power supply device may include a housing 10 and a mainboard 80. The housing 10 can be used to accommodate the mainboard 80. The housing 10 is provided with an electrical connection structure, which is connected to the mainboard 80 and can be used to connect to an external power source and an electrical device. In some embodiments, the electrical connection structure includes a mounting base body 10b and a terminal assembly 20. The terminal assembly 20 is provided on the mounting base body 10b and is connected to the external power source by providing a connecting wire. The connecting wire can be electrically connected to the terminal assembly 20 by plugging. The terminal assembly 20 can also be connected to the electrical device by providing a connecting wire. The connecting wire can be electrically connected to the electrical device by plugging.

[0040] like Figure 6 and Figure 7 As shown, further, in some embodiments, the housing 10 includes a main body 10a. The mounting seat body 10b is provided on one side of the main body 10a, and the inner side of the main body 10a is hollow, and a receiving cavity 100a can be formed. The receiving cavity 100a can be used to receive the main board 80, and the receiving cavity 100a can be sealed by glue filling, that is, AB glue can be poured into the receiving cavity 100a. The mounting seat body 10b is provided on one side of the main body 10a and can be integrally formed with the main body 10a. The inner side of the mounting seat body 10b defines a mounting cavity 100b; the mounting cavity 100b is provided on one side of the receiving cavity 100a. The mounting cavity 100b can be used to receive at least part of the terminal assembly 20. The receiving cavity 100a and the mounting cavity 100b can be provided independently of each other.

[0041] In some embodiments, a receiving cavity 100c is provided on one side of the receiving cavity 100a. The receiving cavity 100c may be located at one end of the mounting cavity 100b. The receiving cavities 100a and 100c are arranged side by side in a transverse direction of the housing 10. The receiving cavity 100c and the mounting cavity 100b are arranged side by side in an axial direction, and the receiving cavity 100c may communicate with the mounting cavity 100b and the receiving cavity 100a. In some embodiments, the transverse direction may be a direction perpendicular to the axial direction of the housing 10.

[0042] Furthermore, in some embodiments, the housing 10 may include an end wall 11, a first side wall 12, a second side wall 13, and an annular wall 14. The end wall 11 may be generally irregularly shaped, such as a circle with a portion convex and a portion concave. The annular wall 14 is connected to the end wall 11 and extends in a direction perpendicular to the end wall 11. Together with the end wall 11, it forms a main body 10a and defines a accommodating cavity 100a. The first side wall 12 is disposed on one side of the annular wall 14 and is spaced apart from the annular wall 14. The two second side walls 13 are respectively disposed on two opposite sides of the first side wall 12, and each second side wall 13 is connected to the first side 12 and the annular wall 14. The first side wall 12, the two second side walls 13, and part of the annular wall 14 form a mounting seat body 10b and together define a mounting cavity 100b.

[0043] In some embodiments, the housing 10 further includes a first opening 15, which is disposed on the mounting base 10b, specifically between the two second side walls 13, and is in communication with the mounting cavity 100b, and is disposed toward the end wall 11. The first opening 15 may be roughly rectangular and may be inclined from the end wall 11 toward the first side wall 12. The first opening 15 may be used to allow a portion of the terminal assembly 20 to pass through so as to be connected to an external power source and electrical equipment through connecting wires. In some embodiments, the end surface where the first opening 15 is located may be an inclined surface 17 inclined from the end wall 11 toward the first side wall 12. The provision of the inclined surface 17 facilitates waterproofing.

[0044] In some embodiments, the housing 10 further includes an assembly port 16, which can be opened on a side of the housing 10 opposite to the end wall 11, that is, the assembly port 16 can be opposite to the end wall 11, and can be connected to the accommodating cavity 100a and the receiving cavity 100c for allowing the mainboard 80 and other components to be installed in the housing 10.

[0045] In some embodiments, the sidewall of the housing 10 further defines a through hole 19 that communicates with the accommodating chamber 100a. This through hole 19 can be sealed by a blocking member 70. The provision of the through hole 19 facilitates access to the mainboard 80 for maintenance. In other embodiments, the through hole 19 may be omitted. In some embodiments, the blocking member 70 may be a screw cap.

[0046] For example Figure 4 and Figure 5As shown, in some embodiments, the terminal assembly 20 includes a first terminal 21, a second terminal 22, and a circuit board 23. The first terminal 21 and the second terminal 22 can be located on the same side of the accommodating cavity 100a and connected to the mainboard 80. The terminals of the terminal assembly 20 can be extended through the first opening 15. Specifically, the terminals of the first terminal 21 and the second terminal 22 can be provided through the first opening 15. Of course, it is understood that in other embodiments, the first terminal 21 and the second terminal 22 can be located on different sides of the accommodating cavity 100a. The circuit board 23 can be connected to the mainboard 80, thereby connecting the first terminal 21 and the second terminal 22 to the mainboard 80. The circuit board 23 is disposed in the housing 10, specifically installed in the accommodating cavity 100c. It can be electrically connected to the mainboard 80 by providing a conductive structure, which can be a wire or a conductive contact.

[0047] Specifically, in some embodiments, the first terminal 21 and the second terminal 22 can be disposed on and connected to the circuit board 23. The first terminal 21 can be used to connect to an external power source. Specifically, the first terminal 21 is connected to the external power source via a first connecting wire. One end of the first connecting wire can be plugged into the first terminal 21 to achieve electrical connection, and the other end of the first connecting wire can be connected to the external power source. The length and specifications of the first connecting wire can be selected according to actual needs. The first terminal 21 allows for replacement of the connecting wire. The second terminal 22 can be used to connect to an electrical device. Specifically, the second terminal 22 is connected to the electrical device via a second connecting wire. One end of the second connecting wire can be plugged into the second terminal 22 to achieve electrical connection, and the other end of the second connecting wire can be connected to the electrical device. The second connecting wire and the electrical device can be selected according to actual needs. The provision of the first terminal 21 and the second terminal 22 facilitates replacement of the connecting wires and adapts to different electrical devices.

[0048] like Figure 8 and Figure 9As shown, in some embodiments, the electrical connection structure further includes a cover body 30, which is sleeved on the terminal assembly 20 and is opened and closed with the first opening 15. It can cover the first opening 15 to prevent dust and moisture from entering the housing 10 when the power supply device is not in use, thereby causing damage to the terminal assembly 20 and affecting the service life of the power supply device. In some embodiments, the cover body 30 can be detachably connected to the mounting base body 10b. The cover body 30 and the mounting base body 10b can be detachably connected by setting a connecting assembly. In some embodiments, the connecting assembly can be a screw assembly. In some embodiments, a through hole can be set on the cover body 30, and a screw hole corresponding to the through hole can be set on the mounting base body 10b. The screw assembly can be a screw, and the screw can pass through the through hole and into the screw hole to be screwed together with the screw hole.

[0049] In some embodiments, the cover body 30 may include a first covering portion 31 and a second covering portion 32, and the first covering portion 31 may be arranged roughly parallel to the end wall 11. One end of the second covering portion 32 is connected to the first covering portion 31 and extends downward in a direction perpendicular to the first covering portion 31. When the cover body 30 covers the first opening 15, the second covering portion 32 may be connected to the first side wall 12. A cavity 33 having a second opening 331 is defined between the first covering portion 31 and the second covering portion 32, wherein the second opening 331 may be arranged toward one side of the mounting seat body 10b, and the cavity 33 may be assembled with the mounting cavity 100b to form a accommodating space for the terminal assembly 20. The side of the cover body 30 facing the mounting seat body 10b has a fitting surface 34 that fits with the inclined surface 17.

[0050] In some embodiments, the cover 30 and the mounting base 10b are provided with a positioning structure. This positioning structure includes a positioning post 35 and a positioning hole 18. The positioning post 35 is provided on the side of the cover 30 facing the mounting base 10b, specifically protruding from the mating surface 34. There may be two positioning posts 35, each located on opposite sides of the cavity 33. The positioning holes 18 are provided on the housing 10, specifically on the inclined surface 17, and are arranged one-to-one with the positioning posts 35. When the cover 30 and the mounting base 10b are assembled, the positioning posts 35 can be inserted into the positioning holes 18 for positioning.

[0051] In some embodiments, the electrical connection structure also includes a waterproof sealing structure 40, which is arranged between the cover body 30 and the mounting seat body 10b. The waterproof sealing structure 40 can seal the gap between the cover body 30 and the mounting seat body 10b when the cover body 30 covers the first opening 15. Specifically, the waterproof sealing structure 40 is arranged between the inclined surface 17 and the fitting surface 34.

[0052] In some embodiments, the waterproof sealing structure 40 can be a waterproof sealing ring, which can be disposed circumferentially around the second opening 331. Specifically, the waterproof sealing structure 40 can be a silicone ring or a rubber ring. The waterproof sealing structure 40 can be integral with the cover 30, thereby facilitating assembly of the cover 30 with the mounting base 10b. Of course, it is understood that in other embodiments, the waterproof sealing structure 40 and the cover 30 are not limited to being integrally connected, and the two can be detachably connected.

[0053] In some embodiments, the waterproof sealing structure 40 can be embedded in the cover 30. Specifically, a first accommodating groove 341 is defined on the side of the cover 30 facing the mounting base 10b. The first accommodating groove 341 can be disposed on the contact surface 34 and located outside the second opening 331. The first accommodating groove 341 can be disposed along the circumference of the second opening 331, allowing the waterproof sealing structure 40 to be partially embedded therein.

[0054] In some embodiments, the waterproof sealing structure 40 can be in close contact with the end surface where the first opening 15 is located. Specifically, the end surface where the first opening 15 is located is provided with a second accommodating groove 171. The second accommodating groove 171 can be arranged along the circumference of the first opening 15. When the cover body 30 is closed over the first opening 15, the waterproof sealing structure 40 can be pressed into the second accommodating groove 171, thereby sealing the gap between the cover body 30 and the mounting base body 10b, thereby preventing moisture and dust from entering.

[0055] For example Figure 5 As shown, in some embodiments, the power supply device further includes a cover plate 50, which is removably mounted on the assembly opening 16 and can be used to cover the assembly opening 16, thereby forming the accommodating cavity 100a into a sealed cavity. In some embodiments, the cover plate 50 can be adapted to the shape and size of the assembly opening 16. The cover plate 50 can be removably connected to the housing 10 via a connecting structure. In some embodiments, the connecting structure can be a screw assembly.

[0056] In some embodiments, the power supply device further includes an insulating member 60, which is installed in the accommodating cavity 100a and disposed inside the end wall 11 and fixedly connected to the end wall 11. This insulating member 60 can be used to isolate the mainboard 80 from the end wall 11, thereby achieving insulation between the two. In some embodiments, the insulating member 60 can be an insulating sleeve that can be disposed around the outer periphery of the mainboard 80. The insulating member 60 can be connected to the end wall 11 via a connecting structure. In some embodiments, the connecting structure can be a screw assembly.

[0057] In some embodiments, the mainboard 80 is disposed in the accommodating cavity 100a and can be fixed to the housing 10 by providing a connection structure. In some embodiments, the connection structure can be a screw assembly.

[0058] It can be understood that the above embodiments only express the preferred implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the patent scope of the present invention. It should be pointed out that for ordinary technicians in this field, without departing from the concept of the present invention, the above technical features can be freely combined, and several deformations and improvements can be made, all of which fall within the scope of protection of the present invention. Therefore, all equivalent changes and modifications made to the scope of the claims of the present invention should fall within the scope of coverage of the claims of the present invention.

Claims

1. An electrical connection structure, provided on a housing (10) of a power supply device, characterized in that: include: A mounting seat body (10b), wherein the inner side of the mounting seat body (10b) defines a mounting cavity (100b), and the mounting seat body (10b) is provided with a first opening (15) communicating with the mounting cavity (100b); A terminal assembly (20) is at least partially installed in the installation cavity (100b), and a connection terminal of the terminal assembly (20) passes through the first opening (15); A cover (30) is sleeved on the terminal assembly (20) and is opened and closed with the first opening (15); A waterproof sealing structure (40) is provided between the cover body (30) and the mounting seat body (10b), and seals the gap between the cover body (30) and the mounting seat body (10b) when the cover body (30) covers the first opening (15).

2. The electrical connection structure according to claim 1, wherein: The end surface where the first opening (15) is located is a bevel (17); A fitting surface (34) that fits with the inclined surface (17) is provided on one side of the cover body (30) that is arranged opposite to the mounting seat body (10b); The waterproof sealing structure (40) is arranged between the inclined surface (17) and the fitting surface (34).

3. The electrical connection structure according to claim 1, wherein: The waterproof sealing structure (40) is embedded in the cover body (30).

4. The electrical connection structure according to claim 3, characterized in that: A first accommodating groove (341) is formed on a side of the cover body (30) facing the mounting seat body (10b); The waterproof sealing structure (40) is partially accommodated in the first accommodating groove (341).

5. The electrical connection structure according to claim 1, wherein: The cover body (30) is provided with a cavity (33) that is assembled with the installation cavity (100b); a second opening (331) is provided on a side of the cover body (30) facing the installation seat body (10b), and the second opening (331) is communicated with the cavity (33); The waterproof sealing structure (40) is arranged in the circumferential direction of the second opening (331).

6. The electrical connection structure according to claim 1, wherein: A second accommodating groove (171) is provided on the end surface where the first opening (15) is located; the second accommodating groove (171) is provided along the circumference of the first opening (15) for the waterproof sealing structure (40) to be pressed in.

7. The electrical connection structure according to claim 1, wherein: The cover body (30) and the mounting seat body (10b) are detachably connected by providing a connecting assembly.

8. The electrical connection structure according to claim 1, wherein: A positioning structure is provided on the mounting seat (10b) and the cover (30); the positioning structure includes a positioning hole (18) and a positioning column (35); The positioning hole (18) is provided on the mounting seat body (10b); The positioning column (35) is arranged on a side of the cover body (30) facing the mounting seat body (10b); the positioning column (35) is arranged in a one-to-one correspondence with the positioning hole (18) so as to be inserted into the positioning hole (18).

9. The electrical connection structure according to claim 8, characterized in that: The waterproof sealing structure (40) comprises a waterproof sealing ring.

10. A power supply device comprising a housing (10), characterized in that: The housing (10) is provided with the electrical connection structure according to any one of claims 1 to 9.

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