CN219228032U

CN219228032U - Waterproof shell and waterproof power supply

Info

Publication number: CN219228032U
Application number: CN202223019994.0U
Authority: CN
Inventors: 尹鹏飞; 谢春水
Original assignee: Yiguang Technology Jiangsu Co ltd
Current assignee: Yiguang Technology Jiangsu Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-06-20
Anticipated expiration: 2032-11-14

Abstract

The application provides a waterproof casing and waterproof power supply, including shell body and upper cover body, the shell body with the upper cover body encloses into the cavity that is used for holding the power, the upper cover body with be equipped with the recess on one of the shell body, the recess has and is close to the first lateral wall of cavity and keep away from the second lateral wall of cavity, the upper cover body with be equipped with connecting portion on another of the shell body, connecting portion stretch into in the recess and with the second lateral wall is connected, connecting portion with the interval is in order to be formed with the clearance that is used for filling the sealing layer between the first lateral wall. The waterproof casing that this application provided has both reduced the degree of difficulty of power equipment, has guaranteed waterproof performance again.

Description

Waterproof shell and waterproof power supply

Technical Field

The application belongs to the technical field of power supplies, and more specifically relates to a waterproof shell and a waterproof power supply.

Background

The outdoor power supply comprises an LED street lamp power supply or an outdoor multifunctional power supply which is internally provided with a lithium ion battery and can store electric energy, is also called a portable alternating current-direct current power supply, and is suitable for scenes with high power consumption, such as outdoor camping, outdoor direct seeding, outdoor construction, outdoor scene shooting, household emergency power utilization and the like.

The waterproof structure of the outdoor power supply is a difficult point and is also important, and generally, the waterproof of the level above IP67 needs the integral molding of the upper cover and the lower cover of the shell, and has no gap, but is difficult to assemble and can only be filled with glue from one end of the side opening.

The shell with the upper cover and the lower cover separated is commonly used, the upper cover and the lower cover are independent two parts, the assembly is easy, the assembled PCBA (printed circuit board assembly) circuit board is directly put in from an opening on the lower cover, pouring sealant is injected from the top, and after pouring the pouring sealant to a preset line, the upper cover is covered. However, the glue filling cannot exceed the height of the outer wall of the lower cover, glue overflows otherwise, the assembly of the upper cover is affected, the waterproof performance is poor, and the waterproof level above IP67 cannot be achieved. Therefore, in order to reduce difficulty in power assembly while ensuring high waterproof performance, improvement of the existing power waterproof structure is required.

Disclosure of Invention

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: in one aspect, a waterproof housing for mounting a power supply is provided, comprising: including shell body and upper cover body, the shell body with the upper cover body encloses into the cavity that is used for holding the power, the upper cover body with be equipped with the recess on one of the shell body, the recess has and is close to the first lateral wall of cavity and keep away from be equipped with connecting portion on the other of the shell body, connecting portion stretch into in the recess and with the second lateral wall is connected, connecting portion with the interval is in order to be formed with the clearance that is used for filling the sealing layer between the first lateral wall.

Optionally, the connection portion is a clamping strip clamped with the second side wall.

Optionally, a protruding portion is disposed on the second side wall, a recess is disposed on the clamping strip, and the protruding portion is clamped in the recess.

Optionally, an end of the first side wall and the second side wall facing the clamping strip is provided with a slope for guiding the clamping strip, and an end of the clamping strip facing the first side wall and the second side wall is also provided with a slope.

Optionally, a step is disposed at one end of the clip strip away from the groove, and the width of the step is matched with the width of the groove.

Optionally, the groove is arranged on the upper cover body, and the connecting part is arranged on the shell body; or the groove is arranged on the shell body, and the connecting part is arranged on the upper cover body; and/or the inner sides of the shell body and the upper cover body are coated with an adhesive.

Optionally, the connecting portion is interference fit with the second sidewall.

Optionally, the shell body includes the cross-section shape be U-shaped lower casing and set up in the end plate at lower casing both ends, the end plate with the upper cover body with lower casing fixed connection.

Optionally, a threading hole is formed in the end plate, a protective coil is arranged in the threading hole, the outer side of the protective coil is connected with the side wall of the threading hole in a sealing mode, and a through hole for a wire to pass through and is connected with the wire in a sealing mode is formed in the inner side of the protective coil; and/or a sealing gasket is arranged between the upper cover body, the lower shell and the end plate.

The beneficial effect of this application provided waterproof casing lies in: compared with the prior art, the waterproof shell of this application sets up the casing into the structure of upper cover body and shell body separation to upper cover body and shell body are connected through recess and connecting portion, are convenient for power equipment. The recess has the first lateral wall that is close to the inside cavity of casing and keeps away from the second lateral wall of cavity, connecting portion stretch into in the recess and with the second lateral wall is connected, connecting portion with be formed with the clearance that is used for filling the sealing layer between the first lateral wall, after encapsulating in to the cavity, with upper cover body and shell body lock together, in the clearance between first lateral wall and connecting portion can get into under the extrusion of first lateral wall to the sealing gum to the junction of upper cover body and shell body seals, has both reduced the degree of difficulty of power equipment, has guaranteed the waterproof performance of casing again.

On the other hand, the application also provides a waterproof power supply, which comprises the waterproof shell and a power supply arranged in the cavity of the waterproof shell.

The waterproof power supply provided by the application has the beneficial effects that: compared with a waterproof power supply adopting an integrally formed shell in the prior art, the waterproof power supply has the advantages that the assembly difficulty is smaller, the assembly efficiency can be improved, and the cost is reduced; compared with the waterproof power supply adopting an upper shell and a lower shell to separate the shell in the prior art, the waterproof power supply has better waterproof performance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of a waterproof power supply according to an embodiment of the present application;

fig. 2 is an exploded schematic view of a waterproof power supply according to an embodiment of the present application;

fig. 3 is a schematic diagram of a connection structure between an upper cover and a lower housing according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of an upper cover provided in an embodiment of the present application;

fig. 5 is a schematic structural diagram of a lower housing according to an embodiment of the present application.

Wherein, each reference sign in the figure:

1-upper cover body, 2-lower shell, 3-first end plate, 4-second end plate, 5-protective coil, 6-wire, 7-first sealing gasket, 8-second sealing gasket, 9-circuit board, 10-battery, 11-first lateral wall, 12-second lateral wall, 13-protruding portion, 14-gap, 21-clamping strip, 22-step, 23-depressed portion.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In one aspect, the present application provides a power supply housing, and referring to fig. 1 to 5, a description will be given of a waterproof housing provided in an embodiment of the present application.

1-5, including shell body and upper cover body 1, shell body and upper cover body 1 enclose the cavity that is used for holding the power, are equipped with the recess on one of upper cover body 1 and the shell body, and the recess has the first lateral wall 11 that is close to the cavity and keeps away from the second lateral wall 12 of cavity, is equipped with connecting portion on the other of upper cover body 1 and the shell body, and connecting portion stretches into in the recess and is connected with second lateral wall 12, and the interval is in order to form with the clearance 14 that is used for filling the sealing layer between connecting portion and the first lateral wall 11.

In the power supply assembly process, after glue is filled into the cavity to a datum line (namely a manually set glue filling position line, not shown), the upper cover body 1 is buckled with the shell body, and sealing glue (namely a sealing layer) can enter a gap 14 between the first side wall 11 and the connecting part under the extrusion of the first side wall 11, so that the joint part of the upper cover body 1 and the shell body is sealed, the power supply assembly difficulty is reduced, and meanwhile, the waterproof performance of the power supply is ensured.

In this embodiment, as shown in fig. 3, fig. 4 and fig. 5, the groove is provided on the upper cover 1, and the connection part is provided on the case body. In other embodiments of the present application, the positions of the groove and the connecting portion may be exchanged, i.e. the groove is provided on the housing body and the connecting portion is provided on the upper cover 1.

In some embodiments of the present application, the case body includes a lower case 2 having a U-shaped cross-section, and a first end plate 3 and a second end plate 4 disposed at both ends of the lower case 2, the first end plate 3 and the second end plate 4 being fixedly connected with the lower case 2. In this embodiment, the first end plate 3 and the second end plate 4 are fixedly connected to both ends of the lower case 2 by screws, respectively. The upper cover 1 and the lower shell 2 have the same length, the end faces are positioned on the same plane, and the first end plate 3 and the second end plate 4 are fixedly connected with the two ends of the upper cover 1 through screws. As a possible implementation manner, the first end plate 3, the second end plate 4 and the lower housing 2 are integrally formed and enclose a groove structure, one of the grooves or the connecting portions is disposed at an opening end of the groove structure enclosed by the first end plate 3, the second end plate 4 and the lower housing 2, and the upper cover 1 can be fixed by screws after being engaged with the groove structure.

In some embodiments of the present application, the connection portion is a clamping strip 21 clamped with the second side wall 12. As shown in fig. 4 and 5, the second side wall 12 is provided with a protruding portion 13, the clamping strip 21 is provided with a recessed portion 23, and the protruding portion 13 is clamped in the recessed portion 23. In other embodiments of the present application, the positions of the protruding portion 13 and the recessed portion 23 may also be exchanged, that is, the protruding portion 13 is disposed on the clip strip 21, the recessed portion is disposed on the second side wall 12, and the protruding portion and the recessed portion are engaged with each other, so that the purpose of connecting the groove and the clip strip may be achieved. In some embodiments of the present application, the protruding portion 13 is a bar-shaped protrusion and is disposed along the length direction of the second sidewall 12, and the recessed portion 23 is a bar-shaped groove and is disposed along the length direction of the clip 21. As a possible implementation, the protruding portion 13 may be a hemispherical protrusion protruding from the surface of the second side wall 12, and the recessed portion 23 is a hemispherical recess disposed on the side surface of the clip 21, where the hemispherical protrusion matches the hemispherical recess in size. In the process of assembling the upper cover body 1 and the lower shell 2, the protruding part 13 is arranged in the recessed part 23, so that the upper cover body 1 and the lower shell 2 are connected, the protruding part 13 and the recessed part 23 can limit the relative positions of the upper cover body 1 and the lower shell 2, the upper cover body 1 and the lower shell 2 are prevented from being separated, and subsequent assembling operation is facilitated.

In some embodiments of the present application, the ends of the first and

second side walls

11 and 12 facing the clip strip 21 are provided with inclined surfaces for guiding the clip strip 21, and the ends of the clip strip 21 facing the first and

second side walls

11 and 12 are also provided with inclined surfaces. Through the guiding effect of inclined plane, can make upper cover body 1 press in the in-process of casing 2 down easier counterpoint, the press-in process is laborsaving more to improve the efficiency of installation. In the present embodiment, the cross-sectional shapes of the convex portion 13 and the concave portion 23 are each set to be arc-shaped, and the efficiency of assembly can be further improved.

In some embodiments of the present application, a step 22 is provided at an end of the clip 21 away from the groove, and the width of the step 22 matches the width of the groove. In this embodiment, as shown in fig. 3 and 5, the steps 22 are provided on both sides of the upper end of the lower case 2, the clip 21 is provided in the middle of the steps 22, and the clip 21 and the steps 22 are perpendicular to each other. The height of the first side wall 11 is slightly smaller than that of the second side wall 12, so that a gap is formed between the first side wall 11 and the step 22 after the clamping strip 21 is clamped with the groove, when the power supply is assembled, sealant in the cavity can flow into the gap 14, and after the power supply is assembled, the gap is filled with sealant, so that the sealing performance of the power supply shell is further improved.

In some embodiments of the present application, the inner sides of the case body and the upper cover 1 are coated with an adhesive, and the sealant for filling the cavity in the case adopts a silicone sealant. By coating the adhesive, the adhesive property between the sealant and the case body and the upper cover body 1 can be improved, and the waterproof effect can be further improved. As a possible implementation, the binder is a silicone-based binder, such as a silicone resin binder and a silicone rubber binder. As a possible implementation manner, a rubber sealing strip can also be arranged in the groove, and when the sealing strip is assembled, the rubber sealing strip is firstly arranged in the groove, then the clamping strip 21 is clamped into the groove, and the clamping strip 21 compresses the rubber sealing strip to realize sealing.

In some embodiments of the present application, the connection portion is an interference fit with the second sidewall 12. In this embodiment, the upper cover 1 and the lower housing 2 are formed integrally from an aluminum alloy material, as shown in fig. 4 and 5, the clamping strip 21 is formed integrally on the lower housing 2, the first side wall 11 and the second side wall 12 are formed integrally on the upper cover 1, and the clamping strip 21 and the first side wall 11 have elasticity, so that they can be mutually compressed after being clamped, thereby forming an interference fit, preventing the upper cover 1 and the lower housing 2 from being separated after being clamped, and affecting the subsequent assembly operation and the sealing performance of the power supply housing. In other embodiments of the present application, the upper cover 1 and the lower housing 2 may be made of other metal materials or non-metal materials, such as stainless steel, polycarbonate (PC) materials, acrylonitrile Butadiene Styrene (ABS) materials, and the like. The adoption of the metal material is convenient for heat dissipation, has good impact resistance, the PC material is easy to form and has low price, and the ABS material has good impact resistance, heat resistance, low temperature resistance and surface glossiness.

In this embodiment, as shown in fig. 2, the shell body includes a lower shell 2 with a U-shaped cross section and end plates disposed at two ends of the lower shell 2, where the end plates and the lower shell 2 are designed in a split type, and the end plates include a first end plate 3 and a second end plate 4, and the first end plate 3 and the second end plate 4 are fixedly connected with the upper cover 1 and the lower shell 2 through screws.

In this embodiment, a first sealing gasket 7 is provided between the first end plate 3 and the ends of the upper cover 1 and the lower case 2, and a second sealing gasket 8 is provided between the second end plate 4 and the ends of the upper cover 1 and the lower case 2. Screw holes are formed in the corners of the upper cover body 1 and the lower shell body 2, and through holes corresponding to the screw holes in position are formed in four corners of the first end plate 3, the second end plate 4, the first sealing gasket 7 and the second sealing gasket 8. When the power supply is assembled, the screws sequentially penetrate through the through holes on the end plate and the sealing gasket and are screwed into the screw holes, so that the end plate presses the sealing gasket to the end parts of the upper cover body 1 and the lower shell body 2, and the waterproof performance of the end parts of the power supply shell body is ensured. In this embodiment, the first sealing gasket 7 and the second sealing gasket 8 are made of silica gel, and as a possible implementation manner, rubber or other materials may be used for the first sealing gasket 7 and the second sealing gasket 8.

In some embodiments of the present application, the first end plate 3 and the second end plate 4 are provided with threading holes, the threading holes are provided with protective coils 5, the outer sides of the protective coils 5 are in sealing connection with the side walls of the threading holes, and the inner sides of the protective coils 5 are provided with through holes for wires to pass through and to be in sealing connection with the wires. In this embodiment, the protecting coil 5 is a silica gel piece, the inner side of the protecting coil 5 is in interference fit with the conducting wire 6, and the outer side is in interference fit with the side wall of the threading hole. As a possible implementation, the protective coil 5 can also be made of other elastic materials, such as rubber. Through setting up the protective coil 5, can protect wire 6 on the one hand, prevent wire 6 damage, on the other hand can further improve waterproof performance, prevent that water or steam from getting into inside the power casing from the junction of wire 6 and casing.

The application provides a waterproof casing sets up the casing into the split type structure of upper cover body 1 and shell body separation to upper cover body 1 and shell body carry out detachable connection through the second lateral wall 12 and the card strip 21 of recess, the equipment of the power of being convenient for. And be formed with the clearance 14 that is used for filling the sealant between card strip 21 and the first lateral wall 11, after filling the glue to the reference line (the reference line generally sets up in the middle part position of card strip 21) in the cavity, with upper cover body 1 and shell body lock together, the sealant can get into in the clearance 14 between first lateral wall 11 and the card strip 21 under the extrusion of first lateral wall 11, thereby seal the junction of upper cover body 1 and shell body, the waterproof performance of casing has been improved, better prevent outside water, steam from getting into inside the casing from gap 14, waterproof level can reach IP67 more.

On the other hand, referring to fig. 1 and 2, embodiments of the present application also provide a waterproof power supply including a waterproof housing and a power supply 10 disposed in a cavity in the waterproof housing. The power supply 10 is connected with the circuit board 9, and the circuit board 9 passes through the inside of screw connection at lower casing 2, and has the clearance between the bottom of circuit board 9 and lower casing 2, is convenient for dispel the heat. A power supply 10 is connected to the wire 6 to supply power to the outside.

The waterproof power supply provided in this embodiment is assembled as follows: first, the power supply 9, the circuit board 10 and the wires 6 are assembled and mounted to the lower case 2; a second step of sequentially installing a first sealing gasket 7 and a first end plate 3 at one end of the shell, installing a second sealing gasket 8 and a second end plate 4 at the other end of the shell, and fixing the first sealing gasket and the first end plate by screws; thirdly, the lead 6 is penetrated out from the protective coil 5 on the first side plate 3 and the second side plate 4, and then sealant is poured into a cavity enclosed by the lower shell 2, the first end plate 3 and the second end plate 4, so that the sealant completely covers the circuit board 10 and the power supply 9 until the sealant reaches the position of the datum line; fourthly, installing the upper cover body 1, enabling the convex part 13 of the second side wall 12 to be clamped into the concave part 23 of the clamping strip 21, enabling the sealant to enter a combination gap, namely a gap 14, between the upper cover body 1 and the lower shell 2 under the extrusion of the first side wall 11, and realizing the sealing of the upper cover body 1 and the lower shell 2; and fifthly, fixing the upper cover body 1, the first end plate 3 and the second end plate 4 through screws, so that the sealing gasket is compressed, and assembling the waterproof power supply is completed.

Compared with the waterproof power supply adopting an integrally formed shell in the prior art, the waterproof power supply provided by the application is smaller in assembly difficulty and can reduce cost; compared with the waterproof power supply adopting an upper shell and a lower shell to separate the shell in the prior art, the waterproof power supply has better waterproof performance, service life and better safety.

The foregoing description of the preferred embodiment of the present utility model is not intended to limit the utility model to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims

1. A waterproof casing for install the power, its characterized in that: including shell body and upper cover body (1), the shell body with upper cover body (1) encloses into the cavity that is used for holding the power, upper cover body (1) with be equipped with the recess on one of the shell body, the recess has and is close to first lateral wall (11) of cavity and keep away from second lateral wall (12) of cavity, upper cover body (1) with be equipped with connecting portion on the other of shell body, connecting portion stretch into in the recess and with second lateral wall (12) are connected, connecting portion with the interval is in order to be formed with the clearance that is used for filling the sealing layer between first lateral wall (11).

2. The waterproof housing of claim 1, wherein: the connecting part is a clamping strip (21) clamped with the second side wall (12).

3. The waterproof housing of claim 2, wherein: the second side wall (12) is provided with a protruding portion (13), the clamping strip (21) is provided with a concave portion (23), and the protruding portion (13) is clamped in the concave portion (23).

4. A watertight housing as claimed in claim 3, characterized in that: one end of the first side wall (11) and the second side wall (12) facing the clamping strip (21) is provided with an inclined plane for guiding the clamping strip (21), and one end of the clamping strip (21) facing the first side wall (11) and the second side wall (12) is also provided with an inclined plane.

5. The waterproof housing of claim 2, wherein: one end of the clamping strip (21) far away from the groove is provided with a step (22), and the width of the step (22) is matched with the width of the groove.

6. The waterproof housing of claim 1, wherein: the groove is arranged on the upper cover body (1), and the connecting part is arranged on the shell body; or the groove is arranged on the shell body, and the connecting part is arranged on the upper cover body (1); and/or the inner sides of the shell body and the upper cover body (1) are coated with an adhesive.

7. The waterproof housing of claim 1, wherein: the connection portion is an interference fit with the second side wall (12).

8. The waterproof housing of claim 1, wherein: the shell body comprises a lower shell body (2) with a U-shaped section and end plates arranged at two ends of the lower shell body (2), and the end plates are fixedly connected with the upper cover body (1) and the lower shell body (2).

9. The waterproof housing of claim 8, wherein: the end plate is provided with a threading hole, a protective coil (5) is arranged in the threading hole, the outer side of the protective coil (5) is connected with the side wall of the threading hole in a sealing way, and a through hole for a wire to pass through and is connected with the wire in a sealing way is formed in the inner side of the protective coil (5); and/or sealing gaskets are arranged between the upper cover body (1) and the lower shell (2) and between the upper cover body and the end plate.

10. A waterproof power supply, characterized in that: comprising the watertight housing as claimed in any of the claims 1 to 9 and a power source arranged in the cavity.