A waterproof mechanism for power supply housing

Abstract

A waterproof mechanism for a power supply housing includes a first housing, a second housing and a power cord, wherein an assembly hole is provided on the first housing or the second housing, a connector is provided on the power cord, a screw-on fitting portion is provided between the connector and the assembly hole, and the two are mutually rotatably engaged through the screw-on fitting portion, and a waterproof component and / or a sticker is also provided between the connector and the assembly hole, and the waterproof component and / or sticker are sealed and attached to the gap between the connector and the assembly hole after the connector and the assembly hole are screwed, the first housing and the second housing are mutually engaged and / or ultrasonically welded, and are mutually sealed and engaged through the sealing component and / or sticker. The present invention can maximize the waterproofness of the power supply housing through the improvement of the above structure, and has the characteristics of simple and reasonable structure, firm assembly, high production efficiency, long service life, good waterproof effect, low manufacturing cost, easy production, easy realization, etc., and has strong practicality.

Description

Technical Field

[0001] The invention relates to a waterproof mechanism for a power supply housing. Background Art

[0002] Chinese patent document number CN109890163A disclosed on June 14, 2019 a concave-convex kissing waterproof device, which includes a power supply shell with an inner cavity and wires arranged at both ends of the power supply shell, a connector is arranged on the wire, and wiring interfaces for accommodating the connector are arranged at both ends of the power supply shell, a first groove is opened on the inner wall surface of the wiring interface, a first protrusion matching the first groove is protruded from the joint, the first protrusion and the end face of the first groove abut against each other to fix the joint on the wiring interface, and waterproof glue is also smeared and filled between the joint and the wiring interface. It is said that the concave-convex kissing waterproof device is provided with mutually matching concave-convex structures through the wiring interface of the power supply housing and the joint of the wire, and waterproof glue is filled in the gap between the concave-convex structures. The grooves and convex blocks prevent water vapor or moisture from directly entering the interior of the power supply housing through the wiring interface, which greatly improves the waterproof performance of the power supply and correspondingly improves the safety of the power supply; however, the lower housing and the upper housing are only connected by gluing, which is easy to get loose during use, affecting the service life of the product, and the lower housing and the upper housing must wait for the glue to solidify before moving, otherwise it will affect the assembly fit between the lower housing and the upper housing, resulting in low production efficiency. Therefore, further improvement is necessary. Summary of the invention

[0003] The purpose of the present invention is to provide a waterproof mechanism for a power supply housing which has a simple and reasonable structure, firm assembly, high production efficiency, long service life, good waterproof effect, low manufacturing cost, easy production and easy implementation, so as to overcome the shortcomings of the prior art.

[0004] A waterproof mechanism for a power supply housing designed for this purpose comprises a first housing, a second housing and a power cord, and is characterized in that: an assembly hole is provided on the first housing or the second housing, and a connector is provided on the power cord; wherein a screw-on fitting portion is provided between the connector and the assembly hole, and the two are rotatably engaged with each other via the screw-on fitting portion, and a waterproof component and / or a bonding material is further provided between the connector and the assembly hole, and the waterproof component and / or the bonding material is sealed and attached to the gap between the connector and the assembly hole after the connector and the assembly hole are screwed on.

[0005] The screw-on fitting portion includes clamping points respectively arranged on the assembly hole and a screw-on position on the joint; wherein, there are at least two clamping points and they are symmetrically arranged on the assembly hole, the number of screw-on positions is the same as the number of clamping points, and they are spirally arranged on the outer diameter of the joint; the joint is rotationally clamped on the clamping point of the assembly hole through the screw-on position, and after screwing, a sealed connection is achieved through a waterproof component and / or a bonding material.

[0006] The connector is also provided with a notch corresponding to the rotational position, and the notch is connected to the end of the rotational position; wherein the end of the connector at least partially extends into the assembly hole through the cooperation between the notch and the card point, and after extending into the assembly hole, it is rotationally carded on the card point of the assembly hole through the rotational position.

[0007] The waterproof part is made of a material with certain elasticity or plastic and is sleeved on the joint. The joint squeezes the waterproof part after being screwed and clamped, so that the waterproof part is deformed and sealed on the gap between the assembly hole and the joint.

[0008] And / or, a vacant slot is provided on the first shell or the second shell, and the vacant slot is located on the inner side of the assembly hole, and the power cord and the connector at least partially extend into the vacant slot through the assembly hole, and a bonding material is placed in the vacant slot after the connector and the assembly hole are screwed together, and after a certain period of time, the bonding material solidifies and seals on the gap between the assembly hole, the clamping point, the connector, and the screw-on position.

[0009] The first shell or the second shell is provided with a positioning portion, which is located inside the assembly hole; the joint is positioned on the positioning portion after being screwed.

[0010] The first shell is provided with a snap-fitting portion, and the second shell is provided with a snap-fitting portion, and the first shell is snap-fitted with the snap-fitting portion of the second shell through the snap-fitting portion, and / or the first shell and the second shell are welded to each other through ultrasound; the first shell is also provided with a first annular groove, and the second shell is also provided with a second annular groove, the first annular groove and the second annular groove correspond to each other, and a seal and / or a sticker is provided therebetween, and the seal and / or the sticker is sealed and attached to the gap between the first shell and the second shell after the first shell and the second shell are snap-fitted and / or welded.

[0011] The first annular groove is provided with a plurality of first groove protrusions, and the second annular groove is provided with a plurality of second groove protrusions; the seal and / or bonding member is sealed and fitted on the gap between the first annular groove and the second annular groove after the first shell and the second shell are snapped and / or welded, and is attached to the first groove protrusion and the second groove protrusion.

[0012] The first shell is provided with a first shell inner wall and a first shell outer wall, the buckle portion is provided on the first shell inner wall, and the first annular groove is formed between the first shell outer wall and the first shell inner wall.

[0013] The second shell body is provided with a second shell inner wall and a second shell outer wall, the snap-fitting portion is provided on the second shell inner wall, and the second annular groove is formed between the second shell outer wall and the second shell inner wall.

[0014] The second shell inner wall is snap-fitted with the snap-fitting portion of the first shell inner wall.

[0015] The first shell outer wall is provided with a first positioning step, the second shell outer wall is provided with a second positioning step, the first shell outer wall and the second shell outer wall are closely attached to each other, and the two are positioned with each other through the cooperation of the first positioning step and the second positioning step.

[0016] The seal is made of a material with a certain degree of elasticity or plastic, and its cross-section is H-shaped. After the first shell and the second shell are snap-fitted and / or welded, the seal is extruded, and the seal is deformed. Its left and right sides are sealed and fitted on the gaps between the inner wall of the first shell, the inner wall of the second shell, the outer wall of the first shell, and the outer wall of the second shell. The upper and lower ends of the seal are sealably attached to the first groove protrusion and the second groove protrusion after the first shell and the second shell are snap-fitted and / or welded.

[0017] And / or, the bonding material is snapped and / or melted between the first shell and the second shell, and after a certain period of time, it solidifies and seals and adheres to the gaps between the inner wall of the first shell, the inner wall of the second shell, the outer wall of the first shell, the outer wall of the second shell, the first positioning step, and the second positioning step, and solidifies and adheres to the first groove protrusion and the second groove protrusion.

[0018] A cavity is arranged between the first shell and the second shell, a power board is arranged in the cavity, and the power line is electrically connected to the power board.

[0019] The power board is provided with an indicator light, and the first shell or the second shell is provided with an indicator light cover and an opening corresponding to the indicator light; wherein, the indicator light cover is provided with a boss and a welding step, and the opening is provided with a welding groove; the indicator light cover is inserted in the opening by the boss in an interference fit manner, and the welding step and the welding groove are ultrasonically welded to each other; a groove is also formed between the welding step and the opening or the welding groove, and a bonding material is placed in the groove after the indicator light cover and the opening are inserted and welded, and the bonding material solidifies and seals after a certain period of time and fits on the gaps between the boss, the opening, the welding step, the welding groove and the groove.

[0020] The present invention has the following advantages compared with the prior art through the improvement of the above structure:

[0021] 1. The first shell is snapped onto the snap-fitting portion of the second shell by a snap-fitting portion, and / or the two are welded to each other by ultrasonic wave, so as to ensure the firm assembly between the first shell and the second shell, which effectively solves the problem that the first shell and the second shell are easily loosened after long-term use in the prior art where the first shell and the second shell are assembled only by gluing, thereby improving the stability of the first shell and the second shell after assembly, thereby improving the safety and service life of the product.

[0022] 2. A seal and / or a bonding material is provided between the first annular groove of the first shell and the second annular groove of the second shell. When the first shell and the second shell are snap-fitted and / or welded, they are sealed and bonded to the gap between the first shell and the second shell, thereby effectively filling all gaps formed between the first shell and the second shell during assembly.

[0023] 3. A plurality of first groove protrusions and second groove protrusions are respectively provided on the first annular groove and the second annular groove. The seal and / or the bonding material will seal and fit all gaps formed between the first shell and the second shell during assembly through the force generated during snap connection and / or welding, thereby further reducing the gap between the first shell and the second shell. At the same time, the first groove protrusion and the second groove protrusion will also be attached to the first groove protrusion and the second groove protrusion, thereby greatly improving the assembly waterproofness between the first shell and the second shell and improving the assembly stability between the first shell and the second shell.

[0024] 4. The power cord is rotatably connected to the mounting hole on the first shell or the second shell through the rotating joint on the connector, which can effectively prevent the user from pulling the power cord or connector and causing it to detach from the first shell or the second shell during use, thereby increasing the service life of the product.

[0025] 5. After the joint is screwed, it can generate an extrusion force and act on the waterproof part and / or the adhesive. The waterproof part and / or the adhesive can be sealed and fitted on the gap between the assembly hole and the joint. Cooperating with the waterproof effect between the first shell and the second shell, it can completely prevent water vapor or moisture from entering the interior of the first shell and the second shell, greatly improving the waterproof performance of the product, and correspondingly improving the safety and service life of the product, so as to effectively solve the technical problem of waterproofing the power supply shell.

[0026] 6. The indicator light cover is firstly inserted into the opening of the first shell or the second shell by interference fit, and the indicator light cover can be pre-installed on the opening to facilitate the assembly of the indicator light cover, and also form a first waterproof effect. Then the indicator light cover is ultrasonically welded to the opening, so that the indicator light cover is firmly assembled on the opening, and also form a second waterproof effect. Finally, a bonding material is placed on the groove formed between the indicator light cover and the opening. When the bonding material solidifies, it can seal and fit all gaps formed between the indicator light cover and the opening, and also form a third waterproof effect, which cooperates with the waterproof effect between the first shell and the second shell, and between the joint and the assembly hole, so as to maximize the waterproofness of the product.

[0027] In general, it has the characteristics of simple and reasonable structure, firm assembly, high production efficiency, long service life, good waterproof effect, low manufacturing cost, easy production, easy implementation, and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 , Figure 2 FIG. 1 is a schematic diagram of the exploded structure of the first embodiment of the present invention.

[0029] Figure 3 It is a schematic diagram (stereoscopic) of the assembly structure of the first embodiment of the present invention.

[0030] Figure 4 It is a schematic diagram of the assembly structure of the first embodiment of the present invention (the second housing is omitted).

[0031] Figure 5 It is a schematic diagram of the assembly structure of the first embodiment of the present invention (top view).

[0032] Figure 6 for Figure 5 Schematic diagram of the structure cut along line XX.

[0033] Figure 7 for Figure 6 A in the figure is an enlarged structural diagram.

[0034] Figure 8 for Figure 6 The enlarged structural diagram at B in FIG.

[0035] Fig. 9 for Figure 5 Schematic diagram of the structure cut along line YY.

[0036] Fig.10 for Fig. 9 The enlarged structural diagram at C in the figure.

[0037] Fig.11 Schematic diagram of the assembly structure of the first embodiment of the present invention (side view).

[0038] Fig.12 for Fig.11 Schematic diagram of the structure cut along line ZZ.

[0039] Fig.13 for Fig.12 The enlarged structural diagram at D in the figure. DETAILED DESCRIPTION

[0040] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0041] See also Figure 1-Figure 13 The waterproof mechanism for the power supply housing includes a first housing 1, a second housing 2 and a power cord 3. An assembly hole 4 is provided on the first housing 1 or the second housing 2, and a connector 5 is provided on the power cord 3; wherein a screw-on fitting portion is provided between the connector 5 and the assembly hole 4, and the two are rotatably engaged with each other through the screw-on fitting portion, and a waterproof component 6 and / or a bonding material are further provided between the connector 5 and the assembly hole 4, and the waterproof component 6 and / or the bonding material are sealed and attached to the gap between the connector 5 and the assembly hole 4 after the connector 5 and the assembly hole 4 are screwed on.

[0042] The screw-on fitting portion includes a clamping point 7 respectively arranged on the assembly hole 4, and a screw-on position 8 on the joint 5; wherein, there are at least two clamping points 7, which are symmetrically arranged on the assembly hole 4, and the number of screw-on positions 8 is the same as the number of clamping points 7, and they are spirally arranged on the outer diameter of the joint 5; the joint 5 is rotationally clamped on the clamping point 7 of the assembly hole 4 through the screw-on position 8, and after the screw-on, a sealed connection is achieved through the waterproof component 6 and / or the adhesive.

[0043] The connector 5 is also provided with a notch 9 corresponding to the rotational position 8, and the notch 9 is connected to the end of the rotational position 8; wherein, the end of the connector 5 at least partially extends into the assembly hole 4 through the cooperation between the notch 9 and the clamping point 7, and after extending into the assembly hole 4, it is rotationally clamped on the clamping point 7 of the assembly hole 4 through the rotational position 8.

[0044] The waterproof part 6 is made of a material with certain elasticity or plastic, and is sleeved on the joint 5. The joint 5 squeezes the waterproof part 6 after being screwed, and the waterproof part 6 is deformed and sealed to fit on the gap between the assembly hole 4 and the joint 5.

[0045] Specifically, the notch 9 of the connector 5 is aligned with the card point 7 of the assembly hole 4, and then the connector 5 is inserted to the bottom and tightened clockwise. The screw-on position 8 has a certain slope. When the connector 5 is twisted into place, the slope of the screw-on position 8 will reduce the distance between the first shell 1 or the second shell 2, and at the same time, the waterproof part 6 is squeezed and deformed into a flat shape, and effectively sealed and fits on the gap between the assembly hole 4 and the connector 5.

[0046] And / or, a vacant slot 10 is provided on the first shell 1 or the second shell 2, and the vacant slot 10 is located on the inner side of the assembly hole 4, and the power cord 3 and the connector 5 at least partially extend into the vacant slot 10 through the assembly hole 4, and a bonding material is placed in the vacant slot 10 after the connector 5 and the assembly hole 4 are screwed together. After a certain period of time, the bonding material solidifies and seals on the gap between the assembly hole 4, the clamping point 7, the connector 5, and the screw-on position 8, which can also achieve a sealed connection between the first shell 1 or the second shell 2 and the power cord 3, thereby completely preventing water vapor or moisture from entering the interior of the first shell 1 and the second shell 2, greatly improving the waterproof performance of the product, and correspondingly improving the safety of use and the service life, so as to effectively solve the technical problem of product waterproofing.

[0047] A positioning portion 11 is provided on the first shell 1 or the second shell 2, and the positioning portion 11 is located inside the assembly hole 4; the connector 5 is positioned on the positioning portion 11 after being screwed, thereby limiting the front and rear positions of the connector 5 so that it cannot return, thereby ensuring the waterproofness and service life of the product.

[0048] The first shell 1 is provided with a snap-fitting portion 12, and the second shell 2 is provided with a snap-fitting portion 13. The first shell 1 is snap-fitted with the snap-fitting portion 13 of the second shell 2 through the snap-fitting portion 12, and / or the first shell 1 and the second shell 2 are welded to each other through ultrasound; the first shell 1 is also provided with a first annular groove 14, and the second shell 2 is also provided with a second annular groove 15. The first annular groove 14 and the second annular groove 15 correspond to each other, and a sealing member 16 and / or a bonding member are provided therebetween. The sealing member 16 and / or the bonding member are sealed and bonded to the gap between the first shell 1 and the second shell 2 after the first shell 1 and the second shell 2 are snap-fitted and / or welded.

[0049] A plurality of first groove protrusions 17 are provided on the first annular groove 14, and a plurality of second groove protrusions 18 are provided on the second annular groove 15; the seal 16 and / or the bonding member are sealed and fitted on the gap between the first annular groove 14 and the second annular groove 15 after the first shell 1 and the second shell 2 are snapped and / or welded, and are attached to the first groove protrusions 17 and the second groove protrusions 18.

[0050] The first shell 1 is provided with a first shell inner wall 19 and a first shell outer wall 20 . The buckle portion 12 is a buckle hole and is provided on the first shell inner wall 19 . The first annular groove 14 is formed between the first shell outer wall 20 and the first shell inner wall 19 .

[0051] The second shell body 2 is provided with a second shell inner wall 21 and a second shell outer wall 22 . The snap-fitting portion 13 is a snap-fitting platform and is provided on the second shell inner wall 21 . The second annular groove 15 is formed between the second shell outer wall 22 and the second shell inner wall 21 .

[0052] The second shell inner wall 21 is snap-fitted with the snap-fitting portion 13 and the snap-fitting portion 12 of the first shell inner wall 19. Since the snap-fitting portion is snapped into the snap-fitting hole, the first shell 1 and the second shell 2 cannot be easily loosened. Combined with the first groove protrusion 17, the second groove protrusion 18, the seal 16 and / or the adhesive, and the force generated after snapping and / or welding, it can ensure that the products will not be separated from each other due to falling, thereby effectively solving the problem of loosening after long-term use caused by the prior art that the first shell 1 and the second shell 2 are assembled only by gluing. At the same time, the two will not be separated when they fall from a high place after assembly, thereby improving the stability of the first shell 1 and the second shell 2 after assembly, so as to improve the safety of use and service life of the product.

[0053] A first positioning step 23 is provided on the first shell outer wall 20 , and a second positioning step 24 is provided on the second shell outer wall 22 . The first shell outer wall 20 and the second shell outer wall 22 are closely attached to each other, and the two are positioned with each other by the cooperation of the first positioning step 23 and the second positioning step 24 .

[0054] The seal 16 is made of a material with a certain degree of elasticity or plastic, and its cross-section is H-shaped. After the first shell 1 and the second shell 2 are snapped and / or welded, the seal 16 is extruded, and the seal 16 is deformed. The left and right sides of the seal 16 are sealed and fitted on the gaps between the first shell inner wall 19, the second shell inner wall 21, the first shell outer wall 20, and the second shell outer wall 22. The upper and lower ends of the seal 16 are sealably attached to the first groove protrusion 17 and the second groove protrusion 18 after the first shell 1 and the second shell 2 are snapped and / or welded.

[0055] And / or, the bonded material is clamped and / or welded between the first shell 1 and the second shell 2, and after a certain period of time, it solidifies and seals and adheres to the gaps between the first shell inner wall 19, the second shell inner wall 21, the first shell outer wall 20, the second shell outer wall 22, the first positioning step 23, and the second positioning step 24, and solidifies and adheres to the first groove protrusion 17 and the second groove protrusion 18. When the bonded material solidifies, it will firmly adhere to the first groove protrusion 17 and the second groove protrusion 18, that is, the first groove protrusion 17 and the second groove protrusion 18 will be nailed into the solidified bonded material like nails, so as to improve the assembly stability between the first shell 1 and the second shell 2.

[0056] Since the first shell outer wall 20 and the second shell outer wall 22 are in close contact with each other and the adhesive is sealed and adhered to each other, a certain adhesion force can be formed between the first shell outer wall 20 and the second shell outer wall 22, thereby achieving a waterproof function. At the same time, the adhesive will also be sealed and adhered to the gap between the first positioning step 23 and the second positioning step 24, thereby effectively filling all gaps formed between the first shell 1 and the second shell 2 during assembly, so as to maximize the waterproofness of the power supply.

[0057] A cavity is provided between the first shell 1 and the second shell 2 , a power board 25 is provided in the cavity, and the power line 3 is electrically connected to the power board 25 .

[0058] An indicator light is provided on the power board 25, and an indicator light cover 26 and an opening 27 are provided on the first shell 1 or the second shell 2 corresponding to the indicator light; wherein, a boss 28 and a welding step 29 are provided on the indicator light cover 26, and a welding groove 30 is provided on the opening 27; the indicator light cover 26 is inserted in the opening 27 by the boss 28 in an interference fit manner, and is ultrasonically welded to each other through the welding step 29 and the welding groove 30; a groove 31 is also formed between the welding step 29 and the opening 27 or the welding groove 30, and a bonding object is placed in the groove 31 after the indicator light cover 26 and the opening 27 are inserted and welded, and the bonding object solidifies and seals after a certain period of time and is bonded to the gap between the boss 28, the opening 27, the welding step 29, the welding groove 30, and the groove 31.

[0059] The accompanying drawings are only for illustrative purposes and are schematic diagrams rather than actual drawings, and should not be construed as limitations on this patent. In order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. It is understandable to those skilled in the art that some well-known structures and their descriptions in the accompanying drawings may be omitted.

[0060] Moreover, the same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "lateral", "longitudinal", "top", "bottom", "inside", "outside" and the like indicating orientations or positional relationships, they are all based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent.

Claims

1. A waterproof mechanism for a power supply housing, comprising a first housing (1), a second housing (2) and a power cord (3), characterized in that: An assembly hole (4) is provided on the first shell (1) or the second shell (2), and a connector (5) is provided on the power cord (3); wherein a rotational engagement portion is provided between the connector (5) and the assembly hole (4), and the two are mutually rotationally engaged through the rotational engagement portion; a waterproof component (6) and / or an adhesive is also provided between the connector (5) and the assembly hole (4); and the waterproof component (6) and / or the adhesive is sealed and attached to the gap between the connector (5) and the assembly hole (4) after the connector (5) and the assembly hole (4) are rotationally engaged; The first shell (1) is provided with a snap-fitting portion (12), and the second shell (2) is provided with a snap-fitting portion (13); the first shell (1) and the snap-fitting portion (13) of the second shell (2) are snap-fitted to each other via the snap-fitting portion (12), and / or the first shell (1) and the second shell (2) are welded to each other via ultrasonic wave; the first shell (1) is also provided with a first annular groove (14), and the second shell (2) is also provided with a second annular groove (15); the first annular groove (14) and the second annular groove (15) correspond to each other, and a sealing member (16) and / or a bonding member is provided between the two; the sealing member (16) and / or the bonding member is sealed and bonded to the gap between the first shell (1) and the second shell (2) after the first shell (1) and the second shell (2) are snap-fitted and / or welded; The first annular groove (14) is provided with a plurality of first groove protrusions (17), and the second annular groove (15) is provided with a plurality of second groove protrusions (18); the sealing member (16) and / or the bonding member are sealed and attached to the gap between the first annular groove (14) and the second annular groove (15) after the first shell (1) and the second shell (2) are snap-fitted and / or welded, and are attached to the first groove protrusions (17) and the second groove protrusions (18).

2. The waterproof mechanism for a power supply housing according to claim 1, characterized in that: The screw-on fitting portion comprises a clamping point (7) respectively arranged on the assembly hole (4) and a screw-on position (8) on the joint (5); wherein at least two clamping points (7) are arranged symmetrically on the assembly hole (4); the screw-on positions (8) are arranged in the same number as the clamping points (7) and are screw-on on the outer diameter of the joint (5); the joint (5) is screw-on to the clamping point (7) of the assembly hole (4) via the screw-on position (8), and after screw-on, a sealed connection is achieved via a waterproof component (6) and / or a bonding material.

3. The waterproof mechanism for a power supply housing according to claim 2, characterized in that: The connector (5) is further provided with a notch (9) corresponding to the rotational connection position (8), and the notch (9) is connected to the end of the rotational connection position (8); wherein at least part of the end of the connector (5) extends into the assembly hole (4) through the cooperation between the notch (9) and the clamping point (7), and after extending into the assembly hole, it is rotationally clamped on the clamping point (7) of the assembly hole (4) through the rotational connection position (8).

4. The waterproof mechanism for a power supply housing according to claim 3, characterized in that: The waterproof part (6) is made of a material with a certain elasticity or plastic, and is sleeved on the joint (5). The joint (5) squeezes the waterproof part (6) after being screwed on, so that the waterproof part (6) is deformed and is sealed and attached to the gap between the assembly hole (4) and the joint (5). And / or, a vacant slot (10) is provided on the first shell (1) or the second shell (2), the vacant slot (10) is located inside the assembly hole (4), the power cord (3) and the connector (5) at least partially extend into the vacant slot (10) through the assembly hole (4), a bonding substance is placed in the vacant slot (10) after the connector (5) and the assembly hole (4) are screwed together, and the bonding substance solidifies and seals the gap between the assembly hole (4), the clamping point (7), the connector (5) and the screw-on position (8) after a certain period of time.

5. The waterproof mechanism for a power supply housing according to any one of claims 1 to 4, characterized in that: The first shell (1) or the second shell (2) is provided with a positioning portion (11), and the positioning portion (11) is located inside the assembly hole (4); the connector (5) is positioned on the positioning portion (11) after being screwed.

6. The waterproof mechanism for a power supply housing according to claim 1, characterized in that: The first shell (1) is provided with a first shell inner wall (19) and a first shell outer wall (20), the buckle portion (12) is provided on the first shell inner wall (19), and the first annular groove (14) is formed between the first shell outer wall (20) and the first shell inner wall (19); The second shell (2) is provided with a second shell inner wall (21) and a second shell outer wall (22), the snap-fitting portion (13) is provided on the second shell inner wall (21), and the second annular groove (15) is formed between the second shell outer wall (22) and the second shell inner wall (21); The second shell inner wall (21) is snap-fitted with the snap-fit ​​portion (12) of the first shell inner wall (19) via the snap-fitting portion (13).

7. The waterproof mechanism for a power supply housing according to claim 6, characterized in that: The first shell outer wall (20) is provided with a first positioning step (23), and the second shell outer wall (22) is provided with a second positioning step (24); the first shell outer wall (20) and the second shell outer wall (22) are in close contact with each other, and the two are positioned with each other through the cooperation of the first positioning step (23) and the second positioning step (24); The sealing member (16) is made of a material having a certain elasticity or plastic and has an H-shaped cross section. After the first shell (1) and the second shell (2) are snap-fitted and / or welded, the sealing member (16) is extruded, and the sealing member (16) is deformed. The left and right sides of the sealing member are sealed and attached to the gaps between the first shell inner wall (19), the second shell inner wall (21), the first shell outer wall (20), and the second shell outer wall (22). After the first shell (1) and the second shell (2) are snap-fitted and / or welded, the upper and lower ends of the sealing member (16) are sealably attached to the first groove protrusion (17) and the second groove protrusion (18). And / or, the bonding material is snap-fitted and / or welded between the first shell (1) and the second shell (2), and after a certain period of time, it solidifies and seals and adheres to the gaps between the first shell inner wall (19), the second shell inner wall (21), the first shell outer wall (20), the second shell outer wall (22), the first positioning step (23), and the second positioning step (24), and solidifies and adheres to the first groove protrusion (17) and the second groove protrusion (18).

8. The waterproof mechanism for a power supply housing according to claim 1, characterized in that: A cavity is provided between the first shell (1) and the second shell (2), a power board (25) is provided in the cavity, and the power line (3) is electrically connected to the power board (25); The power board (25) is provided with an indicator light, and the first shell (1) or the second shell (2) is provided with an indicator light cover (26) and an opening (27) corresponding to the indicator light; wherein the indicator light cover (26) is provided with a boss (28) and a welding step (29), and the opening (27) is provided with a welding groove (30); the indicator light cover (26) is inserted in the opening (27) by the boss (28) in an interference fit manner, and is connected to the welding step (29) by the welding step (29). The connecting grooves (30) are welded to each other by ultrasonic wave; a groove (31) is also formed between the welding step (29) and the opening (27) or the welding groove (30); a bonding object is placed in the groove (31) after the indicator light cover (26) and the opening (27) are embedded and welded; the bonding object solidifies and seals the gap between the convex column (28), the opening (27), the welding step (29), the welding groove (30) and the groove (31) after a certain period of time.

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