CN212812374U

CN212812374U - Plastic casing for power supply

Info

Publication number: CN212812374U
Application number: CN202022193569.8U
Authority: CN
Inventors: 马贵祥
Original assignee: Tianjin Tesini Electronics Co ltd
Current assignee: Tianjin Tesini Electronics Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-03-26
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a plastic casing for power, including first casing, the bottom is equipped with the power module body in the first casing, first casing top is equipped with the second casing, be equipped with buffer gear between first casing and the second casing, second casing top is rotated and is connected with the roof, roof bottom fixedly connected with connecting plate, the connecting plate lateral wall has been seted up and has been accomodate the groove, it is connected with the cardboard to accomodate the rotation of inslot lateral wall. The utility model discloses when the foreign object collided the shell top, second casing and roof moved down under the collision of foreign object, drove movable plate and first backup pad and moved extrusion second spring downwards, played the cushioning effect through the second spring, avoided foreign object and power module body direct collision, led to the fact the damage to the power module body, guaranteed the longer life of power module body.

Description

Plastic casing for power supply

Technical Field

The utility model relates to a power shell technical field especially relates to a plastic casing for power.

Background

The power supply module is a power supply and is characterized by providing power for application specific integrated circuits, digital signal processors, microprocessors, memories, field programmable gate arrays and other digital or analog loads.

Power module in use need use power supply housing, power supply housing plays the protection to power module, effect such as dustproof and heat dissipation, and current shell generally divide into metal power supply housing and plastics power supply housing, because metal power supply housing cost is higher, be unfavorable for the production and use, and plastics power supply housing is in use and handling, easily encounter foreign object collision shell top, thereby cause the damage to power module, dustproof filter screen in the power supply housing can accumulate the dust simultaneously, and dustproof filter screen generally is through the fix with screw on power supply housing, inconvenient dismantlement is changed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art plastic power supply housing top and easily meeting with foreign object collision shell top in use and handling to cause the problem of damage to power module, and the plastic casing for the power that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a plastic casing for a power supply comprises a first casing, wherein a power module body is arranged at the bottom in the first casing, a second casing is arranged at the top of the first casing, a buffer mechanism is arranged between the first casing and the second casing, the top of the second casing is rotatably connected with a top plate, a connecting plate is fixedly connected with the bottom of the top plate, a containing groove is formed in the outer side wall of the connecting plate, a clamping plate is rotatably connected with the inner side wall of the containing groove, a first spring is fixedly connected with the inner bottom of the containing groove, one end of the first spring, far away from the inner bottom of the containing groove, is fixedly connected with the outer side wall of the clamping plate, a slot matched with the connecting plate is formed in the top of the second casing, a connecting mechanism is arranged on the inner side wall of the slot, mounting grooves are formed in the outer side walls of two, the utility model discloses a dustproof filter screen of installation mouth inner wall fixedly connected with, first casing both sides lateral wall all is equipped with stop gear.

Preferably, buffer gear includes the activity chamber that first casing top was seted up, activity intracavity bottom fixedly connected with a plurality of second springs, it is a plurality of the same movable plate of second spring top fixedly connected with, the first backup pad of movable plate top fixedly connected with, first backup pad run through the activity chamber and with second casing bottom fixed connection.

Preferably, coupling mechanism includes a plurality of third springs with bottom fixed connection in the slot, and is a plurality of the same second backup pad of third spring top fixedly connected with, first draw-in groove has been seted up to the slot inside wall, be equipped with first push pedal in the first draw-in groove, two push pedal lateral wall two push rods of fixedly connected with, two the push rod all runs through the same second push pedal of second casing and fixedly connected with, two the push rod lateral wall all overlaps and is equipped with the fourth spring, the fourth spring both ends respectively with second casing lateral wall and second push pedal lateral wall fixed connection.

Preferably, stop gear includes two fixed plates with first casing lateral wall fixed connection, two the same pivot of fixed plate lateral wall fixedly connected with, the pivot lateral wall rotates and is connected with the limiting plate, a plurality of circular fixture blocks of limiting plate lateral wall fixedly connected with, the second draw-in groove with circular fixture block looks adaptation is seted up to first casing lateral wall.

Preferably, a plurality of support legs are fixedly connected to the bottom of the first shell.

Preferably, the bottom in the mounting groove is provided with a heat dissipation opening matched with the dustproof filter screen.

The utility model has the advantages that:

1. when the foreign object collided the shell top, second casing and roof moved down under the collision of foreign object, drove movable plate and first backup pad and moved down extrusion second spring, played the cushioning effect through the second spring, avoided foreign object and power module body direct collision, led to the fact the damage to the power module body, had guaranteed the longer life of power module body.

2. Through rotating the limiting plate, make circular fixture block break away from the second draw-in groove, take out the mounting panel, clear up dustproof filter screen, the mounting panel is dismantled conveniently, is convenient for maintain and change the clearance of dustproof filter screen.

Drawings

Fig. 1 is a schematic structural view of a plastic housing for a power supply according to the present invention;

fig. 2 is a front view of a plastic casing for a power supply according to the present invention;

fig. 3 is a schematic view of a connection structure of a fixing plate and a limiting plate in a plastic casing for a power supply according to the present invention;

fig. 4 is an enlarged view of a portion a in fig. 1.

In the figure: 1. a first housing; 2. a second housing; 3. a top plate; 4. a connecting plate; 5. clamping a plate; 6. a first spring; 7. mounting a plate; 8. a second spring; 9. moving the plate; 10. a first support plate; 11. a third spring; 12. a second support plate; 13. a first push plate; 14. a push rod; 15. a second push plate; 16. a fourth spring; 17. a dustproof filter screen; 18. a fixing plate; 19. a rotating shaft; 20. a limiting plate; 21. a circular fixture block; 22. the power module body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a plastic casing for power supply, including first casing 1, the bottom is equipped with power module body 22 in first casing 1, 1 bottom fixedly connected with a plurality of supporting legs of first casing, avoid first casing 1 direct and ground contact, cause the damage to first casing 1, 1 top of first casing is equipped with second casing 2, be equipped with buffer gear between first casing 1 and the second casing 2, buffer gear includes the activity chamber of seting up at 1 top of first casing, a plurality of second springs 8 of activity intracavity bottom fixedly connected with, the same movable plate 9 of 8 top fixedly connected with of a plurality of second springs, the first backup pad 10 of movable plate 9 top fixedly connected with, first backup pad 10 run through the activity chamber and with 2 bottom fixed connection of second casing.

2 tops of second casing are rotated and are connected with

roof

3, 3 bottom fixedly connected with connecting plates 4 of roof, the groove has been seted up and has been accomodate to 4 lateral walls of connecting plate, it rotates and is connected with cardboard 5 to accomodate the inslot lateral wall, cardboard 5 removes the end and is convex, reduce and the frictional force between the first draw-in groove, the first push pedal 13 of being convenient for promotes cardboard 5, accomodate the first spring 6 of inslot bottom fixedly connected with, first spring 6 is kept away from and is accomodate inslot bottom one end and 5 lateral wall fixed connection of cardboard, the slot with 4 looks adaptations of connecting plate is seted up at 2 tops of second casing, the slot inside wall is equipped with coupling.

Wherein, coupling mechanism include with slot bottom fixed connection's a plurality of third springs 11, the same second backup pad 12 of the 11 top fixedly connected with of a plurality of third springs, first draw-in groove has been seted up to the slot inside wall, be equipped with first push pedal 13 in the first draw-in groove, two push rods 14 of 13 lateral walls fixedly connected with of first push pedal, two push rods 14 all run through the same second push pedal 15 of second casing 2 and fixedly connected with, two push rod 14 lateral walls all overlap and are equipped with fourth spring 16, the 16 both ends of fourth spring respectively with the 2 lateral walls of second casing and the 15 lateral walls fixed connection of second push pedal.

The mounting groove has all been seted up to 1 both sides lateral wall of first casing, be equipped with mounting panel 7 in the mounting groove, the installing port has been seted up to 7 lateral walls of mounting panel, the dustproof filter screen 17 of lateral wall fixedly connected with in the installing port, the thermovent with dustproof filter screen 17 looks adaptation is seted up to the bottom in the mounting groove, 1 both sides lateral wall of first casing all is equipped with stop gear, stop gear includes two fixed plates 18 with 1 lateral wall fixed connection of first casing, the same pivot 19 of two fixed plate 18 lateral wall fixedly connected with, 19 lateral walls of pivot rotate and are connected with

limiting plate

20, 20 lateral walls of limiting plate fixedly connected with a plurality of circular fixture block 21, 1 lateral wall of first casing set up the second draw.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

through pushing away second push pedal 15, second push pedal 15 promotes first push pedal 13 and removes, cardboard 5 is rotatory to being close to the storage tank direction in pushing away of first push pedal 13 downwards, thereby leave first draw-in groove, second backup pad 12 is rebound under the promotion of third spring 11, connecting plate 4 receives second backup pad 12 and pushes away rebound, thereby make roof 3 rotate, place power module body 22 on the bottom in first casing 1, push down roof 3, make connecting plate 4 remove in the slot, cardboard 5 is with first draw-in groove block under the effect of first spring 6, thereby make roof 3 be connected with second casing 2, reach confined effect.

When the foreign object collides the top of the shell, the second shell 2 and the top plate 3 move downwards under the collision of the foreign object, the movable plate 9 and the first support plate 10 are driven to move downwards to extrude the second spring 8, the buffer effect is achieved through the second spring 8, the direct collision between the foreign object and the power module body 22 is avoided, and the damage is caused to the power module body 22.

When dust need clear up on dustproof filter screen 17, through rotating limiting plate 20, make circular fixture block 21 break away from the second draw-in groove, take out mounting panel 7, clear up dustproof filter screen 17, mounting panel 7 dismantles conveniently, is convenient for maintain and change the clearance of dustproof filter screen 17.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A plastic casing for a power supply comprises a first casing (1) and is characterized in that a power module body (22) is arranged at the bottom in the first casing (1), a second casing (2) is arranged at the top of the first casing (1), a buffer mechanism is arranged between the first casing (1) and the second casing (2), the top of the second casing (2) is rotatably connected with a top plate (3), the bottom of the top plate (3) is fixedly connected with a connecting plate (4), an accommodating groove is formed in the outer side wall of the connecting plate (4), a clamping plate (5) is rotatably connected with the inner side wall of the accommodating groove, a first spring (6) is fixedly connected with the bottom in the accommodating groove, one end of the first spring (6) far away from the bottom in the accommodating groove is fixedly connected with the outer side wall of the clamping plate (5), a slot matched with the connecting plate (4) is formed in the top of the second casing (2), the slot inside wall is equipped with coupling mechanism, the mounting groove has all been seted up to first casing (1) both sides lateral wall, be equipped with mounting panel (7) in the mounting groove, the installing port has been seted up to mounting panel (7) lateral wall, the dustproof filter screen of lateral wall fixedly connected with (17) in the installing port, first casing (1) both sides lateral wall all is equipped with stop gear.

2. The plastic casing for the power supply according to claim 1, wherein the buffering mechanism comprises a movable cavity formed in the top of the first casing (1), a plurality of second springs (8) are fixedly connected to the bottom of the movable cavity, a moving plate (9) is fixedly connected to the top ends of the second springs (8), a first supporting plate (10) is fixedly connected to the top of the moving plate (9), and the first supporting plate (10) penetrates through the movable cavity and is fixedly connected to the bottom of the second casing (2).

3. The plastic casing for the power supply according to claim 1, wherein the connecting mechanism comprises a plurality of third springs (11) fixedly connected with the inner bottom of the slot, the top of the plurality of third springs (11) is fixedly connected with the same second support plate (12), the inner side wall of the slot is provided with a first clamping groove, a first push plate (13) is arranged in the first clamping groove, the outer side wall of the first push plate (13) is fixedly connected with two push rods (14), the two push rods (14) penetrate through the second shell (2) and are fixedly connected with the same second push plate (15), the outer side wall of the two push rods (14) is sleeved with a fourth spring (16), and two ends of the fourth spring (16) are respectively fixedly connected with the outer side wall of the second shell (2) and the outer side wall of the second push plate (15).

4. The plastic casing for the power supply according to claim 1, wherein the limiting mechanism comprises two fixing plates (18) fixedly connected with the outer side wall of the first casing (1), the outer side walls of the two fixing plates (18) are fixedly connected with the same rotating shaft (19), the outer side wall of the rotating shaft (19) is rotatably connected with a limiting plate (20), the outer side wall of the limiting plate (20) is fixedly connected with a plurality of circular clamping blocks (21), and the outer side wall of the first casing (1) is provided with second clamping grooves matched with the circular clamping blocks (21).

5. The plastic casing for power supply of claim 1, wherein a plurality of support legs are fixedly connected to the bottom of the first casing (1).

6. The plastic casing for power supply of claim 1, wherein the bottom of the mounting groove is provided with a heat dissipation opening matched with the dustproof filter screen (17).