CN210669862U - Switch power supply beneficial to disassembly and maintenance - Google Patents

Abstract

The utility model discloses a do benefit to switch power supply who dismantles and overhaul, which comprises a housin, the cap has been put on the casing right side, the antetheca and the back wall internal surface of casing are the fixed cavity piece that is provided with all, the bottom has put the spring in the cavity piece, the catch plate has been put at the spring top, catch bar and kelly are put at the catch plate top and are L type structure, the protruding edge inboard of cap roof is arranged in to the one end that the cavity piece was kept away from to the catch bar, the fixed circuit board that is provided with of back wall in the cap. The utility model discloses an install kelly and spring, can push down the kelly through external instrument, make the kelly break away from protruding along inboard of cap, the kelly pushes down the spring and towards the cavity piece in remove, the dismantlement of realization cap outside pulling cap simultaneously shortens switching power supply dismouting maintenance required time greatly, and can solve the rust problem of thread tightening, is fit for extensively promoting and using.

Description

Switch power supply beneficial to disassembly and maintenance

Technical Field

The utility model relates to a switching power supply technical field specifically is a do benefit to switch power supply who dismantles the maintenance.

Background

At present, a power-off source is a voltage conversion device for converting a standard voltage into a voltage required by an electrical appliance. Structurally, switching power supply includes a casing, is provided with the circuit board in the casing, and the integration has various electronic components on the circuit board, and one side of casing is provided with binding post, and binding post is connected with the circuit board electricity. When the switching power supply is used, the power line of the electric appliance is connected with the wiring terminal.

The existing switching power supply has some disadvantages, such as: the casing and the cap of current switching power supply adopt the screw thread to connect soon fixedly more, in case wet the rust-resistant ization, damage seriously, are unfavorable for the dismouting, and partly adopt to mould the kelly joint in the protruding inboard of following of cap shell, but in the long-term use, frequently push down and mould the kelly, fracture or deformation situation can appear, short service life scheduling problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a do benefit to switch power supply who dismantles and overhaul, through installing kelly and spring, can push down the kelly through external instrument, make the kelly break away from protruding along inboard of cap, the kelly pushes down the spring and removes in the cavity piece towards, pulls the cap to the outside simultaneously, realizes the dismantlement of cap, shortens switch power supply dismouting maintenance required time greatly, and can solve the rust problem of thread fixing, has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a switch power supply beneficial to disassembly and maintenance comprises a shell;

a shell cover is arranged on the right side of the shell, hollow blocks are fixedly arranged on the inner surfaces of the front wall and the rear wall of the shell, a spring is arranged at the bottom in each hollow block, a pushing plate is arranged at the top of each spring, a clamping rod is arranged at the top of each pushing plate and is of an L-shaped structure, one end, far away from each hollow block, of each clamping rod is arranged on the inner side of the convex edge of the top wall of the shell cover, a circuit board is fixedly arranged on the inner rear wall of the shell cover, a plurality of groups of electronic components are arranged on the front side surface of the circuit board, and the bottom;

the utility model discloses a fan, including shell cover right side outer wall, fan, screen panel, fan inner wall, screen panel, air outlet.

As a preferred embodiment of the present invention, the outer wall is provided with the protecting crust and the protecting crust is a transparent shell near the outer side of the connecting terminal at the bottom of the shell cover.

As a preferred embodiment of the present invention, the bottom of the housing is rotatably connected to the housing cover through an articulated member.

As an optimal implementation mode of the utility model, the middle parts of the left and right inner walls of the hollow block are provided with a chute and a pushing plate, and the two ends of the hollow block are arranged in the chute.

As a preferred embodiment of the present invention, the gap between the housing and the housing cover is less than 5 mm.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a do benefit to switch power supply who dismantles and overhaul through installing kelly and spring, can push down the kelly through external instrument, makes the kelly break away from protruding along inboard of cap, and the kelly pushes down the spring and removes in the cavity piece towards the cavity, and the while pulls the cap to the outside, realizes the dismantlement of cap, shortens switch power supply dismouting greatly and overhauls the required time, and can solve the rust problem of thread fixing.

2. The utility model relates to a do benefit to switching power supply who dismantles and overhaul through installing heat dissipation fan and orifice plate, can take out the heat of switching power supply operation output through the heat dissipation fan to get into the outside air by the orifice plate, the inside air flow of casing with higher speed, with the heat dissipation cooling that realizes switching power supply, can prevent that electronic components is overheated impaired.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic diagram of an overall side view structure of a switching power supply which is beneficial to disassembly and maintenance;

fig. 2 is the utility model relates to a do benefit to casing and cap connecting portion cross-sectional structure schematic diagram of the switching power supply who dismantles and overhaul.

In the figure: 1. a housing; 2. a shell cover; 3. a clamping rod; 4. a mesh enclosure; 5. a heat dissipation fan; 6. a vent; 7. a protective shell; 8. a wiring terminal; 9. an articulation member; 10. a circuit board; 11. an electronic component; 12. a chute; 13. a push plate; 14. a spring; 15. a hollow block; 16. an orifice plate.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-2, the present invention provides a technical solution: a switch power supply beneficial to disassembly and maintenance comprises a shell 1;

a shell cover 2 is arranged on the right side of the shell 1, hollow blocks 15 are fixedly arranged on the inner surfaces of the front wall and the rear wall of the shell 1, springs 14 are arranged at the bottom in the hollow blocks 15, pushing plates 13 are arranged on the tops of the springs 14, clamping rods 3 are arranged on the tops of the pushing plates 13, the clamping rods 3 are of L-shaped structures, one ends, far away from the hollow blocks 15, of the clamping rods 3 are arranged on the inner side of the convex edge of the top wall of the shell cover 2, a circuit board 10 is fixedly arranged on the inner rear wall of the shell cover 2, a plurality of groups of electronic components 11 are arranged on the front side surface of the circuit board 10, and the bottom end of the circuit board;

the intercommunication is provided with vent 6 in 2 right side outer walls middle parts of cap, the fixed heat dissipation fan 5 that is provided with of right-hand member in vent 6, the outside that 6 right-hand members of vent face are close to heat dissipation fan 5 is provided with screen panel 4, 2 antetheca middle parts of cap are provided with orifice plate 16.

In this embodiment (as shown in fig. 1 and 2), through installing kelly 3 and spring 14, can push down kelly 3 through external instrument, make kelly 3 break away from the protruding edge inboard of cap 2, kelly 3 pushes down spring 14 and moves towards cavity piece 15 in, pull cap 2 to the outside simultaneously, realize the dismantlement of cap 2, shorten switching power supply dismouting maintenance required time greatly, and can solve the rust problem of thread tightening, through installing heat dissipation fan 5 and orifice plate 16, can take out the heat of switching power supply operation output through heat dissipation fan 5, and get into the outside air by orifice plate 16, accelerate the inside air flow of casing 1, in order to realize switching power supply's heat dissipation cooling, can prevent that electronic components from overheated impaired.

Wherein, the outer wall is provided with protective housing 7 and protective housing 7 is transparent casing near binding post 8's the outside at the bottom of 2 outer walls of cap.

In this embodiment (as shown in fig. 1), by installing the protective shell 7, the protective shell 7 can prevent the constructor from mistakenly touching the wiring terminal 8, so that the bad contact condition occurs.

Wherein, the bottom of the shell 1 is rotatably connected with the shell cover 2 through a hinge 9.

In this embodiment (as shown in fig. 1), the casing cover 2 can be limited by the hinge 9 by installing the hinge 9, so as to prevent the casing cover 2 from falling off and falling down during the assembling and disassembling process.

Wherein, the middle parts of the left and right inner walls of the hollow block 15 are provided with sliding grooves 12, and the left and right ends of the pushing plate 13 are arranged in the sliding grooves 12.

In this embodiment (as shown in fig. 2), by installing the sliding groove 12, the pushing plate 13 can be moved up and down horizontally through the sliding groove 12, so as to prevent the phenomena of tilting and bending, and ensure the smooth movement of the pushing plate 13.

Wherein, the clearance between the shell 1 and the shell cover 2 is less than 5 mm.

In this embodiment (as shown in fig. 1), the gap between the housing 1 and the housing cover 2 is smaller than 5mm, so that the foreign dust impurities can be reduced from entering the housing 1, and the frequency of disassembling and cleaning the switching power supply can be reduced.

The working principle is as follows: it should be noted that the utility model relates to a switch power supply which is beneficial to disassembly and maintenance, comprising a shell 1, a shell cover 2, a clamping rod 3, a mesh enclosure 4, a heat radiation fan 5, a ventilation opening 6, a protective shell 7, a connecting terminal 8, an articulated element 9, a circuit board 10, an electronic component 11, a chute 12, a pushing plate 13, a spring 14, a hollow block 15 and a pore plate 16, wherein the components are all universal standard components or components known by technicians in the field, the structure and the principle of the switch power supply can be known by technical manuals or conventional test methods, when the switch power supply which is beneficial to disassembly and maintenance is used, the clamping rod 3 and the spring 14 are arranged, the clamping rod 3 can be pressed downwards by an external tool, the clamping rod 3 is separated from the inner side of the convex edge of the shell cover 2, the clamping rod 3 presses the spring 14 and moves towards the hollow block 15, and pulls the shell cover 2 outwards at the same time, shorten switching power supply dismouting greatly and overhaul required time, and can solve the rust problem of thread tightening, through installing heat dissipation fan 5 and orifice plate 16, make heat dissipation fan 5 be connected with external power supply and open heat dissipation fan 5 from the band switch, can take out the heat of switching power supply operation output through heat dissipation fan 5, and get into the outside air by orifice plate 16, the air flow of casing 1 inside with higher speed, in order to realize switching power supply's heat dissipation cooling, can prevent that electronic components from overheated impaired, the result of use is comparatively ideal.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides a do benefit to switch power supply who dismantles and overhaul which characterized in that: comprises a shell (1);

the shell cover (2) is arranged on the right side of the shell (1), a hollow block (15) is fixedly arranged on the inner surfaces of the front wall and the rear wall of the shell (1), a spring (14) is arranged at the bottom in the hollow block (15), a pushing plate (13) is arranged at the top of the spring (14), a clamping rod (3) is arranged at the top of the pushing plate (13), the clamping rod (3) is of an L-shaped structure, one end, far away from the hollow block (15), of the clamping rod (3) is arranged on the inner side of a convex edge of the top wall of the shell cover (2), a circuit board (10) is fixedly arranged on the inner rear wall of the shell cover (2), a plurality of groups of electronic components (11) are arranged on the front side surface of the circuit board (10), and a wiring terminal (8) is electrically connected to the bottom end;

shell cover (2) right side outer wall middle part intercommunication is provided with vent (6), the fixed heat dissipation fan (5) that is provided with of right-hand member in vent (6), the outside that vent (6) right-hand member face is close to heat dissipation fan (5) is provided with screen panel (4), shell cover (2) antetheca middle part is provided with orifice plate (16).

2. A switching power supply facilitating disassembly and maintenance as claimed in claim 1, wherein: the outer side of the outer wall at the bottom of the shell cover (2) close to the wiring terminal (8) is provided with a protective shell (7), and the protective shell (7) is a transparent shell.

3. A switching power supply facilitating disassembly and maintenance as claimed in claim 1, wherein: the bottom of the shell (1) is rotatably connected with the shell cover (2) through a hinge piece (9).

4. A switching power supply facilitating disassembly and maintenance as claimed in claim 1, wherein: the middle parts of the left inner wall and the right inner wall of the hollow block (15) are provided with sliding grooves (12), and the left end and the right end of the push plate (13) are arranged in the sliding grooves (12).

5. A switching power supply facilitating disassembly and maintenance as claimed in claim 1, wherein: the clearance between the shell (1) and the shell cover (2) is less than 5 mm.

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