CN220586152U - Power supply and electric equipment - Google Patents

Abstract

The embodiment of the application relates to the technical field of power supplies, and particularly discloses a power supply and electric equipment, wherein the power supply comprises a power supply module, a shell, a first end cover, a first sealing ring and a first fastener. The shell comprises a shell wall and a first fastening part, the shell wall is enclosed to form an accommodating cavity, the power module is accommodated in the accommodating cavity, the first fastening part protrudes from the shell wall towards the direction away from the accommodating cavity relative to the shell wall, and the shell wall is provided with a first end. The first end cover is provided with a first through hole, the end cover is arranged at the first end part, the first through hole and the first fastening part are correspondingly arranged, and the first through hole and the first fastening part are both opposite to the first end part and are far away from the accommodating cavity to protrude. The first seal ring is disposed at the first end along the shell wall, and the shell wall and the first end cap clamp the first seal ring. The first fastening piece penetrates through the first through hole to be inserted and fixed on the first fastening part. Through the structure, the first end cover is fixed at the first end part by the first fastener outside the first sealing ring, so that water is prevented from penetrating into the accommodating cavity, and the waterproof performance is improved.

Description

Power supply and electric equipment

Technical Field

The embodiment of the application relates to the technical field of power supplies, in particular to a power supply and electric equipment.

Background

A power supply is a device that converts other forms of energy into electrical energy and provides the electrical energy to other electronic devices. Various electric equipment needs to be used as a power supply, and the waterproof performance of the power supply still needs to be improved after the power supply performance of a power supply foundation is ensured in the design process of the power supply.

In the course of implementing the present application, the inventors found that: at present, the power supply comprises a shell, an end cover, a fastener and a sealing ring, wherein the shell is formed by integrally forming sectional materials with sections, a screw hole is formed in the edge of the shell, the sealing ring is arranged between the end cover and the shell, the fastener penetrates through the end cover and is in threaded connection with the screw hole, and the sealing ring is sealed around the outer side of the fastener. This kind of structure leads to water to avoid the sealing washer infiltration inside the power from fastener and screw spiro union department, has reduced the waterproof performance of power.

Disclosure of Invention

The embodiment of the application provides a power and consumer, can improve present this kind of structure and lead to water can avoid sealing washer infiltration power inside from fastener and screw spiro union department, reduced the current situation of the waterproof performance of power.

In order to solve the technical problems, one technical scheme adopted by the application is as follows: a power supply is provided that includes a power module, a housing, a first end cap, a first seal ring, and a first fastener. The shell comprises a shell wall and a first fastening part, wherein the shell wall encloses into a containing cavity, the power module is contained in the containing cavity, the first fastening part protrudes from the shell wall towards the direction far away from the containing cavity relative to the shell wall, and the shell wall is provided with a first end part. The first end cover is provided with a first through hole, the end cover is arranged at the first end part, the first through hole and the first fastening part are correspondingly arranged, and the first through hole and the first fastening part are opposite to the first end part and far away from the accommodating cavity. The first sealing ring is arranged at the first end part along the shell wall, and the shell wall and the first end cover clamp the first sealing ring. The first fastening piece penetrates through the first through hole to be inserted and fixed on the first fastening part.

Optionally, the first end cover is provided with a first limiting part, and the direction of the first limiting part towards the accommodating cavity is arranged in a protruding manner relative to the first end cover. The first sealing ring is provided with a first limiting hole, the first limiting part is at least partially inserted into the first limiting hole, and the first limiting hole is used for positioning the first sealing ring.

Optionally, the first end cover is provided with the second spacing portion, the setting direction of first spacing portion and second spacing portion is perpendicular, the second spacing portion orientation the direction of acceping the chamber is relative first end cover protrusion sets up. The first sealing ring is provided with a first clamping part, and the second limiting part is abutted to the first clamping part.

Optionally, a distance between the second limiting portion and the first end portion is greater than or equal to a thickness of the first sealing ring, and an end face of the second limiting portion, which faces the first end portion, is used for preventing the first sealing ring from being excessively compressed.

Optionally, the first sealing ring is provided with a sealing protrusion, the sealing protrusion protrudes towards the accommodating cavity, and the sealing protrusion extends along the wall surface of the first end and is arranged in the accommodating cavity.

Optionally, the first sealing ring is provided with the second through-hole, the second through-hole set up in the corner of first sealing ring, the second through-hole with the first through-hole corresponds the setting.

Optionally, the power supply further includes a positioning piece, the positioning piece has a fixing portion and a positioning portion, the fixing portion is installed in the end cover, the positioning portion is perpendicular to the fixing portion and is bent and arranged, at least part of the first sealing ring is arranged around the positioning portion, and the first sealing ring is relatively close to the shell wall with respect to the positioning portion.

Optionally, the positioning piece has conductivity, the positioning piece is electrically connected with the power module, and the positioning piece is used for grounding the power module.

Optionally, the power supply further comprises a second end cap, a second seal ring, and a second fastener. The shell also comprises a second fastening part, the second fastening part protrudes from the shell wall towards the direction far away from the accommodating cavity and is opposite to the shell wall, the shell wall is provided with a second end part, and the second end part is positioned on one side of the shell wall far away from the first end part. The second end cover is provided with a third through hole, the end cover is arranged at the second end part, the third through hole and the second fastening part are correspondingly arranged, and the third through hole and the second fastening part are opposite to each other, and the second end part is far away from the accommodating cavity and protrudes. The second sealing ring is arranged at the second end part along the shell wall, and the shell wall and the second end cover clamp the second sealing ring. The second fastening piece penetrates through the third through hole to be inserted and fixed to the second fastening portion.

In order to solve the technical problems, another technical scheme adopted by the application is as follows: an electric device is provided, which comprises the power supply.

The beneficial effects of the embodiment of the application are that: unlike the prior art, embodiments of the present application provide a power supply including a power module, a housing, a first end cap, a first seal ring, and a first fastener. The shell comprises a shell wall and a first fastening part, wherein the shell wall encloses into a containing cavity, the power module is contained in the containing cavity, the first fastening part protrudes from the shell wall towards the direction far away from the containing cavity relative to the shell wall, and the shell wall is provided with a first end part. The first end cover is provided with a first through hole, the end cover is arranged at the first end part, the first through hole and the first fastening part are correspondingly arranged, and the first through hole and the first fastening part are opposite to the first end part and far away from the accommodating cavity. The first sealing ring is arranged at the first end part along the shell wall, and the shell wall and the first end cover clamp the first sealing ring. The first fastening piece penetrates through the first through hole to be inserted and fixed on the first fastening part. Through the structure, the first fastening piece is arranged outside the first sealing ring to fix the first end cover at the first end part, so that water is prevented from leaking into the accommodating cavity by avoiding the first sealing ring, and the waterproof performance of the power supply is improved.

Drawings

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

FIG. 1 is a perspective view of a power supply provided in one embodiment of the present application;

FIG. 2 is an exploded view of a power supply provided by one embodiment of the present application;

FIG. 3 is a schematic view of a portion of a power supply according to one embodiment of the present disclosure;

FIG. 4 is an exploded view of a portion of the structure of a power supply provided in one embodiment of the present application;

FIG. 5 is a schematic plan view of a power supply according to one embodiment of the present application;

FIG. 6 is an enlarged view of portion A of FIG. 5 provided in one embodiment of the present application;

FIG. 7 is a partial cross-sectional view of the C-plane of FIG. 5 provided in one embodiment of the present application;

FIG. 8 is a schematic diagram of a partial structural connection of a power supply according to one embodiment of the present application;

FIG. 9 is another exploded view of a portion of the structure of a power supply provided in one embodiment of the present application;

FIG. 10 is an enlarged view of portion B of FIG. 5 provided in one embodiment of the present application;

FIG. 11 is a partial cross-sectional view of the D-plane of FIG. 5 provided in one embodiment of the present application;

fig. 12 is a perspective view of a second end cap provided in one embodiment of the present application.

The reference numerals are as follows:

Detailed Description

In order to facilitate an understanding of the present application, the present application will be described in more detail below with reference to the accompanying drawings and specific examples. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application in this description is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.

The embodiment of the application provides electric equipment, which comprises a power supply 1, a control module and a working module, wherein the control module, the working module and the power supply 1 are electrically connected in pairs, so that the power supply 1 can supply power to the working module and the control module, and the control module can control the working module to work and the power supply 1 to be opened and closed, so that the working module is driven to work. It is to be appreciated that the powered devices provided herein include, but are not limited to: and electric equipment such as computers, televisions, LED lamps, sound equipment, electric vehicles and the like.

Referring to fig. 1 to 4, for the power supply 1, the power supply module 900, the housing 100, the first end cover 200, the first seal ring 300, and the first fastener 400 are included. The housing 100 includes a housing wall 110 and a first fastening portion 120, the housing wall 110 encloses a housing cavity 130, the power module 900 is housed in the housing cavity 130, the first fastening portion 120 protrudes from the housing wall 110 toward a direction away from the housing cavity 130 relative to the housing wall 110, and the housing wall 110 has a first end 111. The first end cover 200 is provided with a first through hole 210, the end cover is covered on the first end portion 111, the first through hole 210 and the first fastening portion 120 are correspondingly arranged, and the first through hole 210 and the first fastening portion 120 are both protruded away from the accommodating cavity 130 relative to the first end portion 111. The first seal ring 300 is disposed at the first end 111 along the housing wall 110, and the housing wall 110 and the first end cap 200 sandwich the first seal ring 300. The first fastening member 400 is inserted and fixed to the first fastening portion 120 through the first through hole 210. With the above structure, the first fastener 400 fixes the first end cap 200 to the first end 111 outside the first seal ring 300, thereby preventing water from leaking into the receiving cavity 130 while avoiding the first seal ring 300, and improving the waterproof performance of the power supply 1. It should be noted that, the power module 900 mainly refers to a power PCB board, and controls the power supply 1 to operate and input or output current through the power PCB board. Referring to fig. 3, the shell wall 110 is formed by processing a profile, and has a structure formed by a plurality of protrusions and recesses on a surface thereof, and the first fastening portion 120 is formed by protruding outwards from the outer side of the shell wall 110 away from the accommodating cavity 130, and specifically, the cross section of the first fastening portion 120 is in a non-closed notch ring shape, so that the first fastening member 400 is convenient for plugging and fixing. The casing wall 110 and the first end cover 200 are integrally rectangular, and in other embodiments, the casing 100 may be a cylindrical casing 100 suitable for different electric devices, or alternatively, the casing 100 may be a structure with one end opening sealed by the first end cover 200, or a structure with two ends opening. Alternatively, the first fastener 400 includes a screw, self-tapping screw, bolt, rivet, weld, nut, pin, or the like fastener.

Further, refer to fig. 4 in combination with other figures. The first end cover 200 is provided with a first limiting portion 220, and the first limiting portion 220 protrudes towards the accommodating cavity 130 relative to the first end cover 200. The first sealing ring 300 is provided with a first limiting hole 310, the first limiting portion 220 is at least partially inserted into the first limiting hole 310, and the first limiting hole 310 is used for positioning the first sealing ring 300. Specifically, two first limiting portions 220 are provided, the first limiting portions 220 are disposed near the edge of the first end cover 200, the first limiting portions 220 are disposed on the same side of the first end cover 200, and the first limiting portions 220 are disposed in a circular arc strip-shaped protrusion so as to be clamped and limited with the first sealing ring 300. It will be appreciated that, in some embodiments, the first limiting portion 220 may be further provided with a mounting recess recessed along a direction parallel to the plane of the first end cap 200, and at least a portion of the first seal ring 300 is received in the mounting recess, so that the first limiting portion 220 may further engage and limit the first seal ring 300.

Further, please refer to fig. 4 in combination with other drawings. The first end cover 200 is provided with a second limiting portion 230, the setting direction of the first limiting portion 220 and the second limiting portion 230 is vertical, and the second limiting portion 230 protrudes towards the direction of the accommodating cavity 130 relative to the first end cover 200. The first seal ring 300 is provided with a first clamping portion 320, and the second limiting portion 230 abuts against the first clamping portion 320. It can be understood that the first clamping portion 320 is located at two sides of the first sealing ring 300, and combines with the first limiting portion 220, so that the first limiting portion 220 and the second limiting portion 230 on the first end cover 200 can limit the movement of the first sealing ring 300 on a plane parallel to the first end cover 200, and on the other hand, the clamping of the first end cover 200 and the first end portion 111 to the first sealing ring 300 can limit the movement of the first sealing ring 300 on a plane perpendicular to the first end cover 200, thereby achieving the purpose of fixing the first sealing ring 300.

Please refer to fig. 5 and 6, in combination with other drawings. The distance between the second limiting portion 230 and the first end portion 111 is greater than or equal to the thickness of the first sealing ring 300, and the end surface of the second limiting portion 230 facing the first end portion 111 is used for preventing the first sealing ring 300 from being excessively compressed. That is, when the first fastener 400 fixes the first end cap 200 to the first end 111, the first end cap 200 and the first end 111 press the first seal ring 300 to enhance the sealing effect, and the end surface of the second limiting portion 230 may prevent the first seal ring 300 from being excessively compressed to fail by abutting with the first end 111. It will be appreciated that in other embodiments, the second limiting portion 230 may be at least partially protruded with respect to the first end 111, and a clamping structure is disposed on an outer side surface of the first end 111 facing away from the accommodating cavity 130, and the protruding portion of the second limiting portion 230 is clamped and fixed with the clamping structure, so as to further enhance the sealing effect and limit the first end cover 200 from approaching the first end 111.

For the first seal ring 300, please refer to fig. 4 and 7, and refer to other drawings. It should be noted that, the first seal ring 300 is provided with a sealing protrusion 330, the sealing protrusion 330 protrudes toward the accommodating cavity 130, and the sealing protrusion 330 extends along the wall surface of the first end 111 and is disposed in the accommodating cavity 130. It should be noted that, the first sealing ring 300 may be a sealing member directly integrally formed, that is, the first sealing ring 300 protrudes toward the inside of the accommodating cavity 130 relative to the first end 111 through the sealing protrusion 330, and seals the power supply 1 through extrusion of the first end cover 200 and the first end 111; or in the form of a sealing assembly, i.e. a further sealing ring is received in the sealing projection 330 for sealing. Specifically, two sealing protrusions 330 are provided, and two sealing protrusions 330 are disposed in parallel around the inner contour of the first end 111, so as to achieve the purpose of sealing, and in other embodiments, other sealing members may be added between the two sealing protrusions 330.

Further, refer to fig. 4 in combination with other figures. The first sealing ring 300 is provided with a second through hole 340, the second through hole 340 is arranged at the corner of the first sealing ring 300, and the second through hole 340 is arranged corresponding to the first through hole 210. Specifically, the whole first sealing ring 300 is in a hollow square annular structure, the second through holes 340 are arranged in a protruding manner relative to the outer edge of the first sealing ring 300, and the first clamping parts 320 are arranged between the two second through holes 340 on two sides of the first sealing ring 300, so that the fastener can be sealed when being fixed, and the sealing effect of the power supply 1 is further enhanced.

In the embodiment of the present application, please refer to fig. 4 and 8 in combination with other drawings. The power supply 1 further comprises a positioning member 500, the positioning member 500 is provided with a fixing portion 510 and a positioning portion 520, the fixing portion 510 is mounted on the end cover, the positioning portion 520 is bent perpendicular to the fixing portion 510, at least part of the first sealing ring 300 is arranged around the positioning portion 520, and the first sealing ring 300 is close to the shell wall 110 relative to the positioning portion 520. As further described in connection with the above embodiment, the fixing portion 510 may be concavely or convexly disposed on the surface of the first end cap 200 facing the accommodating cavity 130, where the wall surface of the positioning portion 520 is parallel to the wall surface of the first limiting portion 220, and the first sealing ring 300 is disposed around the first limiting portion 220, the second limiting portion 230, and one side of the positioning portion 520 near the shell wall 110, so as to further clamp and fix the first sealing ring 300, and prevent the first sealing ring 300 from loosening during installation and fixation.

Further, the positioning member 500 has conductivity, the positioning member 500 is electrically connected to the power module 900, and the positioning member 500 is used for grounding the power module 900. Specifically, the fixing portion 510 is fixed on the first end cover 200 through three riveting structures, and the positioning portion 520 is riveted or screwed to the power PCB board, so that the power PCB board is connected with the first end cover 200 of the power supply 1 through the positioning portion 520, thereby achieving the effect of absorbing the interference of ripple shielding, and preventing the EMC, EM I test from being over or the chip of the power supply module 900 from being unstable due to interference performance.

Accordingly, refer to fig. 2 and 9 in combination with other figures. The power supply 1 further includes a second end cap 600, a second seal ring 700, and a second fastener 800. The housing 100 further includes a second fastening portion 140, where the second fastening portion 140 protrudes from the housing wall 110 toward a direction away from the receiving cavity 130, and the housing wall 110 has a second end 112, and the second end 112 is located on a side of the housing wall 110 away from the first end 111. The second end cover 600 is provided with a third through hole 610, the end cover is covered on the second end 112, the third through hole 610 and the second fastening portion 140 are disposed corresponding to each other, and the third through hole 610 and the second fastening portion 140 are both protruded away from the accommodating cavity 130 relative to the second end 112. A second seal ring 700 is disposed along the housing wall 110 at the second end 112, the housing wall 110 and the second end cap 600 sandwiching the second seal ring 700. The second fastening member 800 is inserted through the third through hole 610 and fixed to the second fastening portion 140. Specifically, the second fastening member 800 is configured as a self-tightening screw, the second fastening portion 140 is provided with an internal thread, and the second fastening member 800 is screwed with the second fastening portion 140. The shell wall 110 is formed by processing a profile, the surface of the shell wall 110 is provided with a structure formed by a plurality of protrusions and depressions, the second fastening part 140 is formed by protruding outwards from the outer side of the shell wall 110 away from the accommodating cavity 130, specifically, the cross section of the second fastening part 140 is in an unclosed notch ring shape, so that the second fastening part 800 is convenient to insert and fix, the first fastening part 120 and the second fastening part 140 are connected along the outer side of the shell wall 110 in an extending manner, so that the first fastening part 120 and the second fastening part 140 are connected into a whole, the appearance of the power supply 1 is continuous and attractive on one hand, and the fastening part protruding on the other hand can be used as a reinforcing rib of the shell wall 110, so that the stress capability of the shell 100 is improved, and the structural strength of the power supply 1 is improved.

Further, please refer to fig. 9 in combination with other figures. The second end cover 600 is provided with a third limiting portion 620, and the third limiting portion 620 protrudes toward the accommodating cavity 130 relative to the second end cover 600. The second sealing ring 700 is provided with a second limiting hole 710, and the third limiting portion 620 is at least partially inserted into the second limiting hole 710, and the second limiting hole 710 is used for positioning the second sealing ring 700. Specifically, the third limiting portions 620 are four, the second end cover 600 is rectangular, the four third limiting portions 620 are respectively disposed at four corners of the second end cover 600, that is, the third limiting portions 620 are disposed adjacent to edges of the second end cover 600 in pairs, two third limiting portions 620 are disposed on the same side of the second end cover 600, and the third limiting portions 620 are disposed in arc strip-shaped protrusions so as to be clamped and limited with the second sealing ring 700. It will be appreciated that, in some embodiments, the third limiting portion 620 may also be concavely provided with a mounting recess along a direction parallel to the plane of the second end cap 600, and at least part of the second sealing ring 700 is received in the mounting recess, so that the third limiting portion 620 may further engage and limit the second sealing ring 700.

Referring still further to FIG. 9, in conjunction with other figures. The second end cover 600 is provided with a fourth limiting portion 630, the third limiting portion 620 and the fourth limiting portion 630 are arranged vertically, and the fourth limiting portion 630 protrudes towards the accommodating cavity 130 relative to the second end cover 600. The second seal ring 700 is provided with a second clamping portion 720, and the fourth limiting portion 630 abuts against the second clamping portion 720. It can be understood that the second clamping portions 720 are located at two sides of the second sealing ring 700, and are combined with the third limiting portions 620, so that the third limiting portions 620 and the fourth limiting portions 630 on the second end cover 600 can limit the movement of the second sealing ring 700 on a plane parallel to the second end cover 600, and on the other hand, the clamping of the second end cover 600 and the second end portion 112 to the second sealing ring 700 can limit the movement of the second sealing ring 700 on a plane perpendicular to the second end cover 600, thereby achieving the purpose of fixing the second sealing ring 700.

Please refer to fig. 10, in combination with other drawings. The distance between the fourth limiting portion 630 and the second end portion 112 is greater than or equal to the thickness of the second sealing ring 700, and the end face of the fourth limiting portion 630 facing the second end portion 112 is used for preventing the second sealing ring 700 from being excessively compressed. That is, when the second fastener 800 fixes the second end cap 600 to the second end 112, the second end cap 600 and the second end 112 press the second seal ring 700 to enhance the sealing effect, and the end surface of the fourth limiting portion 630 may prevent the second seal ring 700 from being excessively compressed to fail by abutting with the second end 112. It will be appreciated that in other embodiments, the fourth limiting portion 630 may be at least partially protruded with respect to the second end 112, and a clamping structure is disposed on an outer side surface of the second end 112 facing away from the accommodating cavity 130, and the protruding portion of the fourth limiting portion 630 is clamped and fixed with the clamping structure, so as to further enhance the sealing effect and limit the second end cover 600 from approaching the second end 112.

For the second seal ring 700, please refer to fig. 11, in combination with other figures. It should be noted that, the second seal ring 700 is provided with a sealing protrusion 730, the sealing protrusion 730 protrudes toward the accommodating cavity 130, and the sealing protrusion 730 extends along the wall surface of the second end 112 and is disposed in the accommodating cavity 130. It should be noted that, the second sealing ring 700 may be a sealing member directly integrally formed, that is, the second sealing ring 700 protrudes toward the inside of the accommodating cavity 130 relative to the second end 112 through the sealing protrusion 730, and seals the power supply 1 through extrusion of the second end cover 600 and the second end 112; or in the form of a seal assembly, i.e., another seal ring is received in the seal projection 730 for sealing. Specifically, two sealing protrusions 730 are provided, and the two sealing protrusions 730 are disposed in parallel around the inner contour of the second end 112, so as to achieve the purpose of sealing, and in other embodiments, other sealing members may be added between the two sealing protrusions 730.

Further, please refer to fig. 9 in combination with other figures. The second sealing ring 700 is provided with a fourth through hole 740, the fourth through hole 740 is arranged at the corner of the second sealing ring 700, and the fourth through hole 740 is arranged corresponding to the third through hole 610. Specifically, the second sealing ring 700 is integrally in a hollow square annular structure, the fourth through holes 740 are arranged to protrude from the outer edge of the second sealing ring 700, and the second clamping parts 720 are arranged between the two fourth through holes 740 on two sides of the second sealing ring 700, so that the fastener can be sealed when being fixed, and the sealing effect of the power supply 1 is further enhanced.

In the embodiment of the present application, please review fig. 2 in combination with other drawings. The power supply 1 further comprises a fixing plate 1200, wherein the surface of the fixing plate 1200 is provided with locking holes 1201, the locking holes 1201 are used for fixing the power supply 1 on the wall surface of other equipment, the number of the fixing plates 1200 is two, one fixing plate 1200 is arranged on one side surface of the first end cover 200, and the fixing plate 1200 extends towards one side of the first end cover 200 away from the shell wall 110; the other fixing plate 1200 is mounted to one side of the second end cap 600, and the fixing plate 1200 extends toward the side of the second end cap 600 away from the case wall 110. By arranging the fixing plate 1200, the power supply 1 can be arranged on different surfaces, the use environment of the power supply 1 is enlarged, and the installation stability of the power supply 1 on other equipment is improved. It should be noted that the shape of the locking hole 1201 may be circular or other irregular shape, that is, the circular locking hole 1201 facilitates the fastening of the power supply 1 to other devices, and the irregular locking hole 1201 facilitates the insertion of the fastening member into the locking hole 1201.

For further description in connection with the above embodiments, refer to fig. 4, 9 and 12, in combination with other figures. In this embodiment, the power supply 1 further includes an input assembly 1000 and an output assembly 1100, the output assembly 1100 extends into the housing cavity 130 through the first end cover 200 and is electrically connected with the power supply 1 PCB, the output assembly 1100 includes at least two groups of multi-headed cables 1101 and first seal rings 1102, the number of the multi-headed cables 1101 is two, the first end cover 200 is provided with two output holes 240, one multi-headed cable 1101 extends into the housing cavity 130 through one output hole 240 and is electrically connected with the power supply 1 PCB for electrically connecting with different other power consumption modules, the number of the first seal rings 1102 is two, the first seal rings 1102 are arranged around the output holes 240, so as to seal the housing cavity 130 from the external environment, and prevent water, impurities and the like in the external environment from entering the housing cavity 130 along the output holes 240; the input assembly 1000 extends into the housing cavity 130 through the second end cap 600 and is electrically connected with the power supply 1 PCB, the input assembly 1000 includes at least one group of input cables 1001 and a second sealing ring 1002, the second end cap 600 is provided with an input hole 640, the input cables 1001 extend into the housing cavity 130 through the input hole 640 and are electrically connected with the power supply 1 PCB, and the second sealing ring 1002 is arranged around the input hole 640, so that the housing cavity 130 is sealed from the external environment, and water, impurities and the like in the external environment are prevented from entering the housing cavity 130 along the output hole 240.

In an embodiment of the present application, a power supply 1 is provided, including a power module 900, a housing 100, a first end cap 200, a first seal ring 300, and a first fastener 400. The housing 100 includes a housing wall 110 and a first fastening portion 120, the housing wall 110 encloses a housing cavity 130, the power module 900 is housed in the housing cavity 130, the first fastening portion 120 protrudes from the housing wall 110 toward a direction away from the housing cavity 130 relative to the housing wall 110, and the housing wall 110 has a first end 111. The first end cover 200 is provided with a first through hole 210, the end cover is disposed on the first end portion 111, the first through hole 210 and the first fastening portion 120 are disposed corresponding to each other, and the first through hole 210 and the first fastening portion 120 are both protruded away from the accommodating cavity 130 relative to the first end portion 111. The first seal ring 300 is disposed at the first end 111 along the housing wall 110, and the housing wall 110 and the first end cap 200 clamp the first seal ring 300. The first fastening member 400 is inserted through the first through hole 210 and fixed to the first fastening portion 120. With the above structure, the first fastener 400 fixes the first end cap 200 to the first end 111 outside the first seal ring 300, thereby preventing water from leaking into the accommodating cavity 130 while avoiding the first seal ring 300, and improving the waterproof performance of the power supply 1.

Based on the same inventive concept, the application further provides electric equipment, the electric equipment comprises the power supply 1, and the structure and the function of the power supply 1 can be referred to the above embodiment, and are not described in detail herein.

It should be noted that the description and drawings of the present application show preferred embodiments of the present application, but the present application may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, which are not to be construed as additional limitations on the content of the present application, but are provided for the purpose of providing a more thorough understanding of the present disclosure. The above-described features are further combined with each other to form various embodiments not listed above, and are considered to be the scope described in the present specification; further, modifications and variations of the present utility model may occur to those skilled in the art in light of the foregoing teachings, and all such modifications and variations are intended to be within the scope of the appended claims.

Claims (10)

1. A power supply comprising a power supply module, comprising:

the shell comprises a shell wall and a first fastening part, wherein the shell wall encloses a containing cavity, the power module is contained in the containing cavity, the first fastening part protrudes from the shell wall towards the direction away from the containing cavity and is arranged opposite to the shell wall, and the shell wall is provided with a first end part;

the first end cover is provided with a first through hole, the end cover is arranged at the first end part, the first through hole and the first fastening part are correspondingly arranged, and the first through hole and the first fastening part are both protruded away from the accommodating cavity relative to the first end part;

the first sealing ring is arranged at the first end part along the shell wall, and the first sealing ring is clamped by the shell wall and the first end cover;

the first fastening piece penetrates through the first through hole and is fixedly connected to the first fastening portion in an inserting mode.

2. The power supply according to claim 1, wherein the first end cover is provided with a first limit portion, and the first limit portion is arranged to protrude from the first end cover toward the direction of the accommodating cavity;

the first sealing ring is provided with a first limiting hole, the first limiting part is at least partially inserted into the first limiting hole, and the first limiting hole is used for positioning the first sealing ring.

3. The power supply according to claim 2, wherein the first end cover is provided with a second limiting portion, the first limiting portion and the second limiting portion are arranged in a direction perpendicular to each other, and the second limiting portion protrudes toward the accommodating cavity relative to the first end cover;

the first sealing ring is provided with a first clamping part, and the second limiting part is abutted to the first clamping part.

4. A power supply according to claim 3, wherein a distance between the second limiting portion and the first end portion is equal to or greater than a thickness of the first seal ring, and an end face of the second limiting portion facing the first end portion is used for preventing the first seal ring from being excessively compressed.

5. The power supply according to claim 4, wherein the first seal ring is provided with a seal protrusion protruding toward the housing chamber, the seal protrusion extending along a wall surface of the first end portion and being disposed in the housing chamber.

6. The power supply according to claim 1, wherein the first sealing ring is provided with a second through hole, the second through hole is arranged at a corner of the first sealing ring, and the second through hole is arranged corresponding to the first through hole.

7. The power supply of claim 1, further comprising a positioning member having a fixing portion and a positioning portion, the fixing portion being mounted to the end cap, the positioning portion being bent perpendicular to the fixing portion, at least a portion of the first seal ring being disposed around the positioning portion, the first seal ring being adjacent to the housing wall relative to the positioning portion.

8. The power supply of claim 7, wherein the positioning member has electrical conductivity, the positioning member is electrically connected to the power module, and the positioning member is used for grounding the power module.

9. The power supply of claim 1, further comprising a second end cap, a second seal ring, and a second fastener;

the shell further comprises a second fastening part, the second fastening part is arranged in a protruding mode relative to the shell wall from the shell wall towards the direction away from the accommodating cavity, the shell wall is provided with a second end, and the second end is located on one side, away from the first end, of the shell wall;

the second end cover is provided with a third through hole, the end cover is covered on the second end part, the third through hole and the second fastening part are correspondingly arranged, and the third through hole and the second fastening part are both protruded away from the accommodating cavity relative to the second end part;

the second sealing ring is arranged at the second end part along the shell wall, and the shell wall and the second end cover clamp the second sealing ring;

the second fastening piece penetrates through the third through hole and is fixedly connected to the second fastening part in a plugging mode.

10. A powered device comprising a power supply as claimed in any one of claims 1-9.