CN214542702U

CN214542702U - Low-voltage power supply with good waterproof effect

Info

Publication number: CN214542702U
Application number: CN202120466497.1U
Authority: CN
Inventors: 周璟枫
Original assignee: Nanjing Andiwei Electrical Engineering Co ltd
Current assignee: Nanjing Andiwei Electrical Engineering Co ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-10-29
Anticipated expiration: 2031-03-04

Abstract

The utility model is suitable for a power supply unit technical field provides a low voltage power supply that water-proof effects is good, including sealed shell, the inside of sealed shell is provided with the low voltage power supply main part, both sides all be provided with around the sealed shell with low voltage power supply main part fixed connection's socket, the socket is provided with two sets ofly, every group the inside of socket is all inserted and is equipped with the plug, the upper and lower both sides of plug all are provided with the connecting piece, the front side both sides of sealed shell are provided with the gasket, the surface of connecting piece is provided with first sealed lug, the shape of first sealed lug is L shape setting, the surface of gasket be provided with the second sealed lug of the mutual block of connecting piece and first sealed lug. This low voltage power that water-proof effects is good can seal the handing-over department of plug and socket through its labyrinth seal structure, avoids the rainwater to get into the condition that leads to equipment to appear the short circuit, and improve equipment's water-proof effects reduces the condition of equipment damage.

Description

Low-voltage power supply with good waterproof effect

Technical Field

The utility model belongs to the technical field of power supply unit, especially, relate to a low voltage power supply that water-proof effects is good.

Background

The speed and power characteristics of integrated circuits depend on the supply voltage, a stable supply voltage is necessary for the circuits to operate reliably while meeting target performance specifications, and in most electronic systems (e.g., computer systems) there are several circuits that require different voltages and currents, and in order to provide different voltages, currents and power ratings to these circuits, a voltage converter is used to bring the voltage to the requirements of a low voltage supply, typically below 36V.

Most of existing low-voltage power supplies are poor in waterproof effect, when the outdoor work is carried out, once rain and snow weather is met, rainwater can enter the power supply through the gap, normal use of equipment is affected, short circuit can be caused under the serious condition, and other equipment can be damaged.

SUMMERY OF THE UTILITY MODEL

The utility model provides a low voltage power supply that water-proof effects is good aims at solving in case meet sleet weather can lead to the rainwater to enter into to the inside of power through the gap, influences the normal use of equipment, and the condition can cause the short circuit under serious the time, leads to the problem of the condition that other equipment also can appear the damage.

The utility model is realized in such a way, a low-voltage power supply with good waterproof effect comprises a sealing shell, wherein the interior of the sealing shell is provided with a low-voltage power supply main body, the front side and the back side of the sealing shell are both provided with sockets fixedly connected with the low-voltage power supply main body, the sockets are provided with two groups, each group of the sockets is provided with a plug in the interior, the upper side and the lower side of the plug are both provided with connecting pieces, the front side and the back side of the sealing shell are both provided with sealing sheets, the surface of the connecting pieces is provided with a first sealing lug, the shape of the first sealing lug is in an L-shaped arrangement, the surface of the sealing sheets is provided with a second sealing lug mutually clamped with the connecting pieces and the first sealing lug, the outer side of the plug is vertically provided with a fixing plate, one end of the fixing plate is rotatably and transversely provided with a threaded rod through a bearing, the front side and the back side of the sealing shell are both provided with connecting cylinders for the threaded rod to be inserted, the inside of connecting cylinder is provided with the thread groove, the threaded rod with thread groove threaded connection.

Preferably, the upper side and the lower side of the sealing shell are provided with four groups of mounting lugs, and each group of mounting lugs are internally provided with mounting holes.

Preferably, the upper side and the lower side of the sealing shell are vertically provided with a threaded screw rod in a rotatable mode through a sealing bearing, the other end of the threaded screw rod is located outside the sealing shell and is provided with a knob, and a screw rod sleeve is slidably arranged on the surface of the threaded screw rod through threads.

Preferably, the two sides of the screw rod sleeve are transversely provided with connecting plates, and the surfaces of the connecting plates are provided with clamping pieces matched with the low-voltage power supply main body.

Preferably, the clamping piece is L-shaped, and the clamping piece is made of rubber.

Preferably, the inner wall of the sealing shell is vertically provided with a sliding rod, and the surface of the sliding rod is slidably provided with a sliding sleeve fixedly connected with the clamping piece.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a low voltage power supply that water-proof effects is good, the sealed shell of setting can play confined effect, can seal the low voltage power supply main part and handle, avoid the condition of rainwater infiltration, and the plug that sets up can make connecting piece and first sealed lug respectively with the sealed lug block of second when inserting, thereby form labyrinth seal structure, can seal handing-over department of plug and socket through its labyrinth seal structure, avoid the rainwater to get into the condition that leads to equipment to appear the short circuit, improve equipment's water-proof effects, reduce the condition of equipment damage.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

fig. 2 is a schematic structural diagram of a portion a in fig. 1 according to the present invention.

In the figure: 1-a sealing shell, 2-a low-voltage power supply main body, 3-a socket, 4-a plug, 5-a connecting piece, 6-a sealing piece, 7-a first sealing lug, 8-a second sealing lug, 9-a fixing plate, 10-a threaded rod, 11-a connecting cylinder, 12-a threaded groove, 13-a mounting lug, 14-a mounting hole, 15-a threaded screw rod, 16-a knob, 17-a screw rod sleeve, 18-a connecting plate, 19-a clamping piece, 20-a sliding rod and 21-a sliding sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention 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 merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-2, the present invention provides a technical solution: a low-voltage power supply with good waterproof effect comprises a sealing shell 1, a low-voltage power supply main body 2 is arranged inside the sealing shell 1, sockets 3 fixedly connected with the low-voltage power supply main body 2 are arranged on the front side and the rear side of the sealing shell 1, two groups of sockets 3 are arranged, a plug 4 is inserted into each group of sockets 3, connecting pieces 5 are arranged on the upper side and the lower side of each plug 4, sealing pieces 6 are arranged on the two sides of the front side of the sealing shell 1, first sealing convex blocks 7 are arranged on the surfaces of the connecting pieces 5, the first sealing convex blocks 7 are arranged in an L shape, second sealing convex blocks 8 mutually clamped with the connecting pieces 5 and the first sealing convex blocks 7 are arranged on the surfaces of the sealing pieces 6, a fixing plate 9 is vertically arranged on the outer side of the plug 4, a threaded rod 10 is rotatably and transversely arranged at one end of the fixing plate 9 through a bearing, connecting cylinders 11 for inserting the threaded rod 10 are arranged on the front side and the rear side of the sealing shell 1, the connecting cylinder 11 is provided with a screw groove 12 inside, and the threaded rod 10 is screwed with the screw groove 12.

In this embodiment, the sealing case 1 is arranged to seal the low voltage power main body 2, so as to prevent rainwater from affecting the low voltage power main body 2, the socket 3 is arranged to connect the low voltage power main body 2 with external equipment, the plug 4 is arranged to be connected with the socket 3, the plug 4 is arranged to drive the connecting member 5 to move when inserted, the connecting member 5 is moved to drive the first sealing protrusion 7 to move, the first sealing protrusion 7 is moved to be engaged with the second sealing protrusion 8, so as to form a labyrinth structure, the labyrinth structure can seal the gap between the socket 3 and the plug 4, prevent rainwater from entering, prevent the equipment from short circuit due to rainwater, and the threaded rod 10 is arranged to drive the plug 4 to move through the threaded groove 12 when rotating, thereby improving sealability.

Further, the upper side and the lower side of the sealing shell 1 are provided with four groups of mounting lugs 13, and mounting holes 14 are formed in the mounting lugs 13 of each group.

In this embodiment, the installation lugs 13 and the installation holes 14 are provided to facilitate the fixed installation of the seal housing 1, so as to improve the practicability, and the installation lugs 13 are provided in four groups, so as to improve the stability after installation.

Further, the upper side and the lower side of the sealing shell 1 are both provided with a threaded screw rod 15 through a sealing bearing in a rotatable and vertical penetrating manner, the other end of the threaded screw rod 15 is provided with a knob 16 outside the sealing shell 1, and the surface of the threaded screw rod 15 is provided with a screw rod sleeve 17 through a thread in a slidable manner.

In this embodiment, the knob 16 can drive the screw rod 15 to rotate when rotating, and the screw rod sleeve 17 will be driven to move when the screw rod 15 rotates, and the installation is carried out through the sealing bearing, so that rainwater cannot enter the inside of the sealing shell 1 through the joint of the sealing shell 1 and the screw rod 15, and the sealing performance is improved.

Further, both sides of the screw rod sleeve 17 are transversely provided with connecting plates 18, and the surfaces of the connecting plates 18 are provided with clamping pieces 19 matched with the low-voltage power supply main body 2.

In this embodiment, will drive connecting plate 18 when the removal and remove when lead screw cover 17, will drive holder 19 when connecting plate 18 removes, will contradict in the outside of low voltage power supply main part 2 when holder 19 removes to fix low voltage power supply main part 2, fix owing to fix through the centre gripping, thereby can adapt to the different low voltage power supply main part 2 of various scales, improve the practicality.

Further, the shape of the clamping member 19 is L-shaped, and the material of the clamping member 19 is rubber.

In this embodiment, the dead angle of the low voltage power supply main body 2 can be clamped through the L-shaped arrangement, the stability of the low voltage power supply main body is kept, and the situation that the low voltage power supply main body 2 is damaged due to grass can be avoided through the arrangement of the rubber material during clamping.

Further, a sliding rod 20 is vertically arranged on the inner wall of the sealing shell 1, and a sliding sleeve 21 fixedly connected with the clamping piece 19 is slidably arranged on the surface of the sliding rod 20.

In this embodiment, the sliding rod 20 is provided to enable the sliding sleeve 21 to slide on the surface thereof, and since the sliding sleeve 21 is fixedly connected with the clamping member 19, the clamping member 19 can increase stability by sliding the sliding sleeve 21 when moving.

The utility model discloses a theory of operation and use flow: when the plug 4 is inserted into the socket 3, the connecting member 5 is driven to move, when the connecting member 5 moves, the first sealing protrusion 7 is driven to move, when the first sealing protrusion 7 moves, the first sealing protrusion and the second sealing protrusion 8 are engaged with each other, thereby forming a labyrinth seal structure, sealing the joint of the socket 3 and the plug 4 to isolate the condition of rainwater entering, and the knob 16 can drive the screw thread screw rod 15 to rotate when rotating, when the threaded screw rod 15 rotates, the screw rod sleeve 17 is driven to move, when the screw rod sleeve 17 moves, the connecting plate 18 is driven to move, when the connecting plate 18 moves, the clamping piece 19 is driven to move, when the clamping piece 19 moves, the clamping piece abuts against the surface of the low-voltage power supply main body 2, therefore, the low-voltage power supply main body 2 can be fixed, and the stability of the low-voltage power supply main body 2 is improved.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a low voltage power supply that water-proof effects is good which characterized in that: comprises a sealing shell (1), wherein a low-voltage power supply main body (2) is arranged in the sealing shell (1), sockets (3) fixedly connected with the low-voltage power supply main body (2) are arranged on the front side and the rear side of the sealing shell (1), two groups of sockets (3) are arranged, a plug (4) is inserted in each group of sockets (3), connecting pieces (5) are arranged on the upper side and the lower side of each plug (4), sealing pieces (6) are arranged on the two sides of the front side of the sealing shell (1), first sealing convex blocks (7) are arranged on the surface of each connecting piece (5), the shape of each first sealing convex block (7) is L-shaped, second sealing convex blocks (8) mutually clamped with the connecting pieces (5) and the first sealing convex blocks (7) are arranged on the surface of each sealing piece (6), a fixing plate (9) is vertically arranged on the outer side of each plug (4), the one end of fixed plate (9) is passed through the bearing and is rotationally transversely provided with threaded rod (10), both sides all are provided with around sealed shell (1) and supply threaded rod (10) male connecting cylinder (11), the inside of connecting cylinder (11) is provided with thread groove (12), threaded rod (10) with thread groove (12) threaded connection.

2. The low-voltage power supply with good waterproof effect as claimed in claim 1, characterized in that: the upper side and the lower side of the sealing shell (1) are provided with mounting lugs (13), the mounting lugs (13) are provided with four groups, and each group of mounting lugs (13) are internally provided with mounting holes (14).

3. The low-voltage power supply with good waterproof effect as claimed in claim 1, characterized in that: the upper side and the lower side of the sealing shell (1) are both provided with a threaded screw rod (15) in a rotatable and vertical penetrating manner through a sealing bearing, the other end of the threaded screw rod (15) is positioned outside the sealing shell (1) and is provided with a knob (16), and the surface of the threaded screw rod (15) is provided with a screw rod sleeve (17) in a slidable manner through threads.

4. The low-voltage power supply with good waterproof effect as claimed in claim 3, wherein: the two sides of the screw rod sleeve (17) are transversely provided with connecting plates (18), and clamping pieces (19) matched with the low-voltage power supply main body (2) are arranged on the surfaces of the connecting plates (18).

5. The low-voltage power supply with good waterproof effect as claimed in claim 4, wherein: the shape of holder (19) is the L shape setting, and the material of holder (19) sets up to the rubber material.

6. The low-voltage power supply with good waterproof effect as claimed in claim 4, wherein: the inner wall of the sealing shell (1) is vertically provided with a sliding rod (20), and the surface of the sliding rod (20) is slidably provided with a sliding sleeve (21) fixedly connected with the clamping piece (19).