CN2508523Y

CN2508523Y - Case

Info

Publication number: CN2508523Y
Application number: CN 01263654
Authority: CN
Inventors: 康铭峰; 焦建华
Original assignee: Delta Optoelectronics Inc
Current assignee: Taida Electronic Industry Co Ltd; Delta Optoelectronics Inc
Priority date: 2001-09-21
Filing date: 2001-09-21
Publication date: 2002-08-28
Anticipated expiration: 2011-09-21

Abstract

The utility model provides a machine casing which comprises a bottom seat composed of a bottom surface and three side surfaces and an upper cover composed of two flat plates; a first connecting part is arranged on the edge of the first side surface, and a first threaded hole is arranged on the first connecting part; a second connecting part is arranged on the edge of the second side surface, and a second threaded hole is arranged on the second connecting part; a third connecting part is arranged on the edge of the third side surface, and at least a clipping groove is arranged at the connection between the third connecting part and the third side surface; The size of the first flat plate is identical with the bottom surface, and at least a clipping hook is arranged in at least a clipping groove on the edge oppositely to the connection between the third connecting part and the third side surface; the second flat plate is connected with the first flat plate, a third threaded hole is arranged oppositely to the first threaded hole on the first connecting part, a fourth threaded hole is arranged oppositely to the second threaded hole of the second connecting part, at least a clipping groove and at least a clipping hook are mutually buckled to combine the upper cover and the bottom seat, and the assembly of the machine casing can be accomplished by locking the first threaded hole and the third threaded hole, and the second threaded hole and fourth threaded hole through screws.

Description

Casing

Technical field

The relevant a kind of casing of the utility model refers to a kind of metal casing that is applied to electric parts especially.

Background technology

Casing (case) is a kind of device that holds electric spare part, and (uninterrupted power supply UPS) waits electric product to be widely used in personal computer (personalcomputer) and uninterruptible power supply provider.

With the uninterruptible power supply provider is example, its outward appearance great majority are box-shapeds, mainly be made of base and loam cake, electronic building bricks such as battery, battery charger (battery charger) monitoring software, controller, reverser (inverter), transducer (converter) and relay are then put in inside.Form the base of casing and the material of loam cake and be generally metal or plastics, if plastic material, then base can be one-body molded, utilizes the engaging mode to combine with loam cake again; If metal material, then base is to be stamped into the box-like of a bottom surface and four sides by a metallic plate, and the mode with the lock screw makes base combine with loam cake again.The casing that plastic material is formed is owing to have light weight, the good and integrated characteristic of insulation, use at present quite general, but that cabinet also has is not firm, the shortcoming of poor heat radiation and accumulation static.Though the casing that metal material is formed is heavier and must engage by screw, owing to have that housing is firm, heat radiation is good, be difficult for accumulating advantages such as static, so also quite receive an acclaim, the utility model promptly improves at the metallic casing.

Fig. 1 is the assembling schematic diagram of existing uninterruptible power supply provider casing, wherein base 1 is one to be stamped into box-like that a bottom surface 11 and four

sides

12,13,14,15 are constituted by metallic plate, 2 of loam cakes are a flat board, are drilled with four

screws

21,22,23 and 24 on it.For base 1 is combined with loam cake 2, curl into

convergence part

16,17 in the last Direction box of first side 12 and the 3rd side 14, and on the convergence part, get out at least four screws 181,182,183 and 184, for example put into electronic building brick (not shown)s such as battery, controller, reverser, transducer then on described bottom surface 11, be covered with loam cake 2 again, lock at screw 181,182,183 and 184 subsequently and tighten up a screw 191,192,193 and 194, just finish the assembling of casing.Said machine casing was not suitably located in the convergence part owing to cover loam cake 2 in assembling process in 16,17 o'clock, so loam cake 2 often has sliding phenomenon during locking screw, caused assembling difficult; In addition, this kind combination also built on the sand, screw is easy to be subjected to external force or collision and 16,17 flicks from the convergence part, cause loam cake 2 and base to break away from: and, when if the electronic building brick fault in the casing need be taken the loam cake maintenance apart, owing to be subject to the construction space that the base top is only arranged, so behind the shell of electronic component transfer must being started shooting usually, outside casing, overhaul, increase the cost and the time that reinstall electronic building brick after overhauling so again.

The utility model content

In order to solve the disappearance of above-mentioned prior art, the purpose of this utility model provides a kind of loam cake can firmly combine and assemble quite easy casing with base.

For achieving the above object, casing of the present utility model, it comprises a base of being made up of a bottom surface, one first side, one second side and one the 3rd side and by the one first dull and stereotyped and one second dull and stereotyped loam cake of forming, and be characterized in: described bottom surface is used to carry electronic building brick; Described first side is connected with described base and described the 3rd side, and its edge has one first convergence part, establishes one first screw on described first convergence part; Described second side is connected with respect to described first side and with described the 3rd side and described bottom surface, and the edge of described second side has second convergence part, and described second convergence part is provided with one second screw; The top of described the 3rd side has one the 3rd convergence part, and described the 3rd convergence part and junction, described the 3rd side have at least one draw-in groove; The size of described first flat board is identical with described bottom surface, and its edge is provided with at least one trip corresponding to described at least one draw-in groove of described the 3rd convergence part and junction, described the 3rd side; Described second dull and stereotyped is connected with described first flat board, and is provided with one the 3rd screw corresponding to first screw on described first convergence part, is provided with one the 4th screw corresponding to second screw of described second convergence part; Described at least one draw-in groove and described at least one trip engage mutually with in conjunction with described loam cake and described base, and described first screw and described the 3rd screw and described second screw and described the 4th screw lock by screw.

Casing as described, wherein said casing are the casing of uninterruptible power supply provider.

Casing as described, wherein said electronic building brick comprises battery, controller, reverser, transducer.

Casing as described, wherein said base and described loam cake are made by metal material.

Casing as described, wherein said at least one trip is to be " L " type.

Casing as described further is formed with one first aperture on wherein said first convergence part.

Casing as described wherein is formed with one second aperture on described second convergence part.

Casing as described wherein is provided with one first prominent point corresponding to described first aperture of described first convergence part on described second flat board, be provided with one second prominent point corresponding to described second aperture of described second convergence part.

Casing as described wherein is provided with hollow mouth, to accept aerial lug on described second flat board and the 3rd side.

Casing as described wherein is provided with several louvres on described first side and second side.

The utility model casing can exempt existing shortcoming in the prior art and have locating effect good, easy to operate, save cost and meet safe advantage.

Understand the purpose of this utility model, characteristics and advantage for clearer, preferred embodiment of the present utility model is elaborated below in conjunction with accompanying drawing.

Description of drawings

Fig. 1 is the assembling schematic diagram of existing uninterruptible power supply provider casing;

Fig. 2 (a) is the assembling schematic diagram of the casing of the utility model first preferred embodiment;

Fig. 2 (b) is the casing constitutional diagram of the utility model first preferred embodiment;

Fig. 3 (a) is the assembling schematic diagram of the casing of the utility model second preferred embodiment;

Fig. 3 (b) is the casing constitutional diagram of the utility model second preferred embodiment.

Embodiment

Fig. 2 (a) and (b) are the assembling schematic diagram and the constitutional diagram of the casing of the utility model first preferred embodiment, and wherein said casing mainly is made of a base 3 and a loam cake 4, and described base 3 and described loam cake 4 are made by metal material.Base 3 comprises a bottom surface 30, one first side 31, one second side 32 and one the 3rd side 33, and loam cake 4 comprises one first dull and stereotyped 41 and 1 second flat board 42.

Bottom surface 30 is in order to carrying electronic building brick (not shown), when casing of the present utility model during as the casing of uninterruptible power supply provider (UPS), then described electronic building brick is battery, controller, reverser (inverter), transducer (converter) and relay etc.

Described first side 31 is to be connected with described base 30 and described the 3rd side 33, and 31 edges, described first side have first convergence part 311 vertical with the bottom surface, and described first convergence part 311 is provided with one first screw 312; The position of described second side 32 is to be connected with respect to described first side 31 and with described the 3rd side 33 and described bottom surface 30, the edge of described second side 32 has second convergence part 321 vertical with the bottom surface, and described second convergence part 321 is provided with one second screw 322; Described the 3rd side 33 is to link to each other with described first side 31, described second side 32 and described bottom surface 30, and has one the 3rd convergence part 331 above it, and described the 3rd convergence part 331 has at least one draw-in groove 332 with 33 junctions, described the 3rd side.

The size of forming first flat board 41 of loam cake 4 is corresponding to described bottom surface 30, and its edge is provided with at least one trip 411 corresponding to described at least one draw-in grooves 332 of described the 3rd convergence part 331 and 33 junctions, described the 3rd side; Described second dull and stereotyped 42 are connected with described first flat board 41, and are provided with one the 3rd screw 421 corresponding to first screw 312 on described first convergence part, are provided with one the 4th screw 422 corresponding to second screw 322 of described second convergence part.

The assembling of the utility model metallic casing is quite convenient, its step is as follows: (1) is at first with battery, controller, reverser, electronic building bricks such as transducer are positioned on the bottom surface 30, (2) then utilize trip 411 to engage mutually with draw-in groove 332, wherein said trip 411 is to be " L " type, after it embeds draw-in groove 332, further move to described draw-in groove 332 1 sides (being in Fig. 2 (a)) toward the left side, just can be effectively in conjunction with described base 3 and described loam cake 4, (3) make loam cake 4 covering bases 3, (4) utilize one first screw (not shown) lock first screw 312 and the 3rd screw 421 and utilize one second screw (not shown) lock second screw 322 and described the 4th screw 422 subsequently, promptly finish the assembling of the utility model casing.

Fig. 3 (a) and (b) are the assembling schematic diagram and the constitutional diagram of the casing of the utility model second preferred embodiment.The casing of Fig. 3 (a) and (b) is identical with Fig. 2 (a) and (b), but further forms one first aperture 313 on described first convergence part 311, and described one second aperture 323 that forms on second convergence part 321.On described second flat board 42, stamp out one first prominent point 423, stamp out one second prominent point 424 corresponding to described second aperture 323 corresponding to described first aperture 313.After the design of aperture and prominent point helps above-mentioned number of assembling steps (3) loam cake 4 covering bases 3, make first prominent 423 and engage with first aperture 313, make second prominent 424 and engage with second aperture 323, just be difficult for behind loam cake 4 covering bases 3 like this breaking away from, then promptly finish the assembling of the utility model casing again with screw locking screw.

Certainly, can further establish hollow part on the described casing housing, also can establish several louvres, to promote heat radiation to accept aerial lug.In first and second embodiment of the utility model, on second dull and stereotyped the 42 and the 3rd side 33 of described casing, establish hollow mouth 335,425 respectively, and on first side 31 and second side 32, establish louvre 315,325.

Certainly, for the effectively fixing electronic building brick that is carried, the bottom surface 30 of casing of the present utility model can stamp out tab 305 in advance, to put and to fix such as battery and circuit board (being equipped with electronic building bricks such as controller, reverser, transducer).

Metal chassis of the present utility model advantage compared with prior art is as described below:

(1) assembling of existing casing and since cover loam cake 2 do not give in 16,17 o'clock in the convergence part suitably fixed The assembling difficulty so loam cake 2 often has sliding phenomenon during locking screw, is caused in the position; As for casing of the present utility model Adopt draw-in groove and snap fit, aperture and the bump combination of going ahead of the rest, in case after loam cake 4 and base 3 combinations, namely complete Become casing tentatively to assemble.

(2) existing casing is because combination and built on the sand, and screw is easy to be subjected to external force or collision and from the

convergence part

16,17 flick, cause loam cake 1 and base to break away from: casing employing draw-in groove of the present utility model and snap fit, aperture With the bump combination of going ahead of the rest, lock again the assembling mode of screw, structure is quite firm.

(3) existing casing needs at least four screw sides to be accomplished the assembling of casing; The utility model only needs two Individual screw can be effectively in conjunction with base and the loam cake of casing, and combination is easy, does not but lose its intensity.

When (four) the electronic building brick fault in the existing casing need be taken the loam cake maintenance apart, have on the base owing to only be subject to The construction space of side is so behind the shell of usually electronic component transfer must being started shooting, externally maintenance increases so again maintenance After reinstall cost and the time of electronic building brick. The utility model only is made of a bottom surface and three sides owing to base 3, So in the time of need taking loam cake 4 maintenance internal electrical components apart, have 30 tops, bottom surface and positive space of planes to construct, so can be not Directly overhaul with separating electronic building brick, so can reduce assembly cost.

Claims

1. casing, it comprises that a base and of being made up of a bottom surface, one first side, one second side and one the 3rd side by the one first dull and stereotyped and one second dull and stereotyped loam cake of forming, is characterized in that:

Described bottom surface is used to carry electronic building brick;

Described first side is connected with described base and described the 3rd side, and its edge has one first convergence part, establishes one first screw on described first convergence part;

Described second side is connected with respect to described first side and with described the 3rd side and described bottom surface, and the edge of described second side has second convergence part, and described second convergence part is provided with one second screw;

The top of described the 3rd side has one the 3rd convergence part, and described the 3rd convergence part and junction, described the 3rd side have at least one draw-in groove;

The size of described first flat board is identical with described bottom surface, and its edge is provided with at least one trip corresponding to described at least one draw-in groove of described the 3rd convergence part and junction, described the 3rd side;

Described second dull and stereotyped is connected with described first flat board, and is provided with one the 3rd screw corresponding to first screw on described first convergence part, is provided with one the 4th screw corresponding to second screw of described second convergence part;

Described at least one draw-in groove and described at least one trip engage mutually with in conjunction with described loam cake and described base, and described first screw and described the 3rd screw and described second screw and described the 4th screw lock by screw.

2. casing as claimed in claim 1 is characterized in that, described casing is the casing of uninterruptible power supply provider.

3. casing as claimed in claim 2 is characterized in that described electronic building brick comprises battery, controller, reverser, transducer.

4. casing as claimed in claim 1 is characterized in that, described base and described loam cake are made by metal material.

5. casing as claimed in claim 1 is characterized in that, described at least one trip is to be " L " type.

6. casing as claimed in claim 1 is characterized in that, further forms one first aperture on described first convergence part, further forms one second aperture on described second convergence part.

7. casing as claimed in claim 6 is characterized in that, described first aperture corresponding to described first convergence part on described second flat board is provided with one first prominent point.

8. casing as claimed in claim 6 is characterized in that, described second aperture corresponding to described second convergence part on described second flat board is provided with one second prominent point.

9. casing as claimed in claim 1 is characterized in that, further is provided with hollow mouth on described second flat board and the 3rd side.

10. casing as claimed in claim 1 is characterized in that, establishes several louvres on described first side and second side.