CN209768000U - Rainproof power amplifier shell - Google Patents

Abstract

The utility model discloses a rainproof power amplifier shell relates to the shell field. It includes the casing, the cavity, the louvre, casing upper surface symmetry is provided with dash board, be provided with the rubber strip between two dash board, dash board and rubber strip fixed connection, the cavity is provided with the division board along casing length direction symmetry, the division board is separated into the cavity and is placed chamber and two water conservancy diversion chambeies, the casing roof has been seted up slide and water conservancy diversion chamber along its length direction and is linked together, the one end that the rubber strip was kept away from to dash board articulates towards the slide direction has guide plate and division board parallel, be provided with compression spring between guide plate and the division board, one side that the division board was kept away from to the guide plate is provided with the lug, the lug one end of keeping away from the guide plate is passed the casing and is passed casing and casing sliding connection, the joint groove has been seted. The utility model has the advantages of rain-proof, improve the power amplifier in the stability of rainy day.

Description

Rainproof power amplifier shell

Technical Field

The utility model relates to a shell field, more specifically says, it relates to a rainproof power amplifier shell.

Background

the power amplifier is called a power amplifier for short, commonly called a loudspeaker, and is the most basic equipment in a sound system, and the task of the power amplifier is to amplify weak electric signals from a signal source so as to drive a loudspeaker to make sound. The system is often used in some places such as KTV and concert sites.

The utility model discloses a power amplifier shell in chinese utility model patent with application number CN201620047602.7, the department that lies in the radiator hole on the casing is equipped with adjustable fender, and adjustable fender slides with the casing and is connected and slide adjustable fender and can make it plug up louvre and open louvre.

The above prior art solutions have the following drawbacks: the louvre of above-mentioned power amplifier is located the casing roof, in case rain midway at open-air concert, in the easy infiltration power amplifier of adjustable fender infiltration of rainwater, causes the power amplifier malfunctioning, the short circuit even, and stability is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rainproof power amplifier shell, its advantage that has rain-proofly, improves the stability of power amplifier in rainy day.

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

A rainproof power amplifier shell comprises a hollow cuboid-shaped shell, wherein a cavity is arranged in the shell, radiating holes are formed in the side wall of the shell, rain shields are symmetrically arranged on the upper surface of the shell along the length direction of the shell, a rubber strip is arranged between the two rain shields, the rain shields are fixedly connected with the rubber strip, a partition plate is symmetrically arranged on the cavity along the length direction of the shell, the cavity is divided into a placing cavity and two diversion cavities by the partition plate, a slideway is formed in the top wall of the shell along the length direction of the top wall of the shell and is communicated with the diversion cavities, a diversion plate is hinged to one end, away from the rubber strip, of each rain shield towards the slideway direction, is parallel to the partition plate, a compression spring is arranged between the diversion plate and the partition plate, a convex block is arranged on one side, away from the diversion plate, the clamping groove is formed in the periphery of the convex block, the side wall of the shell is located on the periphery of the convex block and is vertically provided with an auxiliary rod, and the auxiliary rod is hinged with a clamping strip.

Through adopting above-mentioned technical scheme, when can meetting rainy in the open-air singing, through the lug to pressing down both sides in the casing, the lug can drive the guide plate and remove to the division board direction, compression spring shrink, joint strip joint in the joint inslot afterwards, two dash boards and rubber strip can be down "V" shape, the rainwater can drip on dash board and rubber strip, dash board and rubber strip play the effect of hiding rain, avoid the rainwater to get into and place the intracavity, improve the stability of power amplifier in the rainy day. Meanwhile, the compression spring enables the inner wall of the clamping groove to be tightly abutted to the clamping strip in the contraction state, and the clamping strip is prevented from falling off.

Furthermore, the flashing is provided with first separation blade along the both sides wall of casing width direction keeping away from the casing direction, the casing direction is kept away from at the both ends of rubber strip and is provided with the second separation blade.

Through adopting above-mentioned technical scheme, the rainwater can be blockked by first separation blade and second separation blade, and the rainwater that drips between rubber strip and dash board falls into the water conservancy diversion intracavity completely, avoids the rainwater landing to the desktop of placing the casing, and then avoids the rainwater entering to place the intracavity, improves the stability of power amplifier in the rainy day.

furthermore, the rain shield is hollow, a reinforcing plate is connected to the rain shield in a sliding mode, a sealing plate is hinged to one end, close to the rubber strip, of the reinforcing plate, and a convex tooth is arranged on one side, away from the hinged portion, of the sealing plate.

through adopting above-mentioned technical scheme, the dogtooth between two closing plates is mutually supported, and closing plate and reinforcing plate form "V" shape afterwards, and the reinforcing plate increase hides the scope of rain, improves the stability of power amplifier in the rainy day.

Furthermore, the reinforcing plates are arranged in two numbers, and the two reinforcing plates are symmetrically arranged along the width direction of the shell.

Through adopting above-mentioned technical scheme, the reinforcing plate can slide to casing width direction's both sides, both can shelter from the rainwater of casing antetheca, can shelter from the rainwater of casing back wall again, improves the stability of power amplifier in the rainy day.

Furthermore, one side of each of the two reinforcing plates in the same rain shielding plate facing back is provided with an auxiliary sheet, and the auxiliary sheet is positioned on one side of the reinforcing plate far away from the shell.

Through adopting above-mentioned technical scheme, the reinforcing plate is convenient for pull out by the auxiliary sheet, when raining suddenly, convenient operation.

Furthermore, a sponge is arranged in the diversion cavity.

Through adopting above-mentioned technical scheme, the sponge has the function of absorbing water, can absorb the rainwater, can take out the sponge in the slide when treating the sponge saturation, puts back the water conservancy diversion intracavity once more after extruding the water in the sponge, and then discharges the ponding of water conservancy diversion intracavity, and the ponding of water conservancy diversion intracavity can not be effused to the casing upper surface, improves the stability of power amplifier in the rainy day.

Furthermore, a drain hole communicated with the flow guide cavity is formed in one side, far away from the rain shielding plate, of the shell, and a rubber plug is arranged in the drain hole.

through adopting above-mentioned technical scheme, when the rainfall is great, can open the rubber buffer, discharge the ponding of water conservancy diversion intracavity together in coordination with the sponge, improve drainage efficiency, improve the stability of power amplifier in the rainy day.

Furthermore, a foot post is arranged on the lower surface of the shell.

Through adopting above-mentioned technical scheme, the foot post is heightened the casing, and the water that flows out in the follow rubber buffer can not with casing direct contact, avoids water to get into and places the intracavity, improves the stability of power amplifier in the rainy day.

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

(1) The rain shielding plate and the rubber strips play a role in shielding rain, the first blocking piece and the second blocking piece are arranged, rainwater can flow into the flow guide cavity through the flow guiding plate and the first blocking piece and the second blocking piece, the rainwater is prevented from flowing into the placing cavity, and the stability of the power amplifier in rainy days is improved;

(2) the reinforcing plate, the sealing plate and the auxiliary sheet are arranged, and the convex teeth are arranged at one end of the sealing plate, so that the rain shielding range of the reinforcing plate and the sealing plate is enlarged, and the stability of the power amplifier in rainy days is improved;

(3) the sponge, the drain hole and the rubber plug are arranged, so that accumulated water in the diversion cavity can be drained in time, and the water in the diversion cavity is prevented from overflowing; set up the socle, with the casing bed hedgehopping, avoid water to get into and place the intracavity, improve the stability of power amplifier in the rainy day.

Drawings

Fig. 1 is a schematic view of the structure of the flashing in this embodiment in an undeployed state;

Fig. 2 is a schematic view showing the configuration of the flashing in the extended state according to this embodiment;

FIG. 3 is a schematic view of the connection structure of the flashing, the deflector and the divider (a side wall of the housing is hidden in the figure) according to the embodiment;

FIG. 4 is a schematic view showing a partial explosion of the drainage hole and the rubber stopper;

FIG. 5 is a partial schematic view of portion A of FIG. 1;

Fig. 6 is a partial schematic view of portion B of fig. 2.

reference numerals: 1. a housing; 2. a cavity; 201. a placement chamber; 202. a flow guide cavity; 3. heat dissipation holes; 4. a flashing; 5. a rubber strip; 6. a partition plate; 7. a slideway; 8. a baffle; 9. a compression spring; 10. a bump; 11. a clamping groove; 12. an auxiliary lever; 13. a clamping strip; 14. a first baffle plate; 15. a second baffle plate; 16. a reinforcing plate; 17. a sealing plate; 18. a convex tooth; 19. an auxiliary sheet; 20. a sponge; 21. a drain hole; 22. a rubber plug; 23. a socle; 24. fixing grooves; 25. a hinge ring; 26. a hinged lever.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Referring to fig. 1, a rainproof power amplifier casing comprises a hollow cuboid-shaped casing 1, wherein cylindrical pillars 23 are fixed at four corners of the lower surface of the casing 1, and the casing 1 is lifted by the pillars 23. The side wall of the shell 1 is provided with heat dissipation holes 3 and wiring holes. Referring to fig. 2 and 3, a cavity 2 is arranged in the housing 1, the cavity 2 is symmetrically provided with partition plates 6 along the length direction of the housing 1, the partition plates 6 are vertically arranged and are hermetically connected with the housing 1, and the partition plates 6 divide the cavity 2 into a placing cavity 201 and a diversion cavity 202 located on two sides of the placing cavity 201.

Referring to fig. 1, rectangular rain shields 4 are symmetrically arranged on the upper surface of a housing 1 along the length direction of the housing, and a rubber strip 5 is fixed between the two rain shields 4. Referring to fig. 2, the two side walls of the flashing 4 in the width direction of the housing 1 are welded with first blocking pieces 14, and the first blocking pieces 14 are located on one side of the flashing 4 away from the housing 1; rubber strip 5 is provided with second baffle 15 along 1 width direction's of casing both sides wall, and second baffle 15 is located one side that casing 1 was kept away from to rubber strip 5, second baffle 15 and rubber strip 5 integrated into one piece. The second barrier 15 is made of rubber, and the second barrier 15 is tightly attached to the first barrier 14.

Referring to fig. 2, the interior of the rain shield 4 is hollow, two rectangular reinforcing plates 16 are connected to the interior of the rain shield 4 in a sliding manner, and the two reinforcing plates 16 are symmetrically arranged along the width direction of the shell 1. One end of the reinforcing plate 16 close to the rubber strip 5 is hinged with a sealing plate 17, one side of the sealing plate 17 far away from the hinged position is provided with a convex tooth 18 (refer to fig. 6), the convex teeth 18 (refer to fig. 6) between the two sealing plates 17 are mutually matched, the reinforcing plate 16 increases the rain shielding range, and the stability of the power amplifier in rainy days is improved. Two reinforcing plates 16 in the same flashing 4 are provided with auxiliary pieces 19 on their back sides, the auxiliary pieces 19 are located on the side of the reinforcing plates 16 away from the casing 1, and the auxiliary pieces 19 facilitate the pulling out of the reinforcing plates 16.

Referring to fig. 3, a slide 7 is disposed on the top wall of the casing 1 and above the diversion cavity 202, the slide 7 is disposed along the length direction of the casing 1, and the slide 7 is communicated with the diversion cavity 202. The one end that rubber strip 5 (refer to fig. 2) was kept away from to flashing 4 towards slide 7 direction integrated into one piece has two articulated rings 25, and two articulated rings 25 are coaxial and its axis is on a parallel with casing 1 width direction, and articulated rod 26 is connected with in the articulated ring 25 internal rotation, is fixed with guide plate 8 on the articulated rod 26, and guide plate 8 is parallel with division board 6.

A plurality of compression springs 9 are welded between the guide plate 8 and the partition plate 6, and the axes of the compression springs 9 are parallel to the length edge of the shell 1. One side welding that division board 6 was kept away from to guide plate 8 has cylindric lug 10, refer to fig. 3 and 5, and the one end that guide plate 8 was kept away from to lug 10 passes casing 1 and with casing 1 sliding connection, and joint groove 11 and fixed slot 24 have been seted up to lug 10 week side, and casing 1 lateral wall lies in lug 10 week side and is provided with cylindric auxiliary rod 12 perpendicularly, and it has joint strip 13 to articulate on the auxiliary rod 12.

Referring to fig. 3 and 5, when meeting in rainy at open-air singing, rotatory joint strip 13, make joint strip 13 break away from in fixed slot 24, to the lug 10 of pressing both sides in the casing 1, lug 10 can drive guide plate 8 and remove to 6 directions of division board, with joint strip 13 joint back in joint groove 11, as shown in fig. 2, two dash board 4 and rubber strip 5 can be down "V" shape, pull out reinforcing plate 16 and closing plate 17 afterwards, dash board 4, rubber strip 5, reinforcing plate 16 and closing plate 17 play the effect of hiding rain, as shown in fig. 3, avoid the rainwater to get into and place in the chamber 201, improve the stability of power amplifier in the rainy day. Meanwhile, the compression spring 9 enables the inner wall of the clamping groove 11 to be tightly abutted to the clamping strip 13 in the contraction state, and the clamping strip 13 is prevented from falling off.

referring to fig. 3, a sponge 20 is arranged in the diversion cavity 202, the sponge 20 is located between the diversion plate 8 and the side wall of the casing 1, the sponge 20 absorbs accumulated water in the diversion cavity 202, and the sponge 20 can be taken out and wrung out through the slideway 7. Referring to fig. 4, a drainage hole 21 is formed in a side of the housing 1 away from the flashing 4, the drainage hole 21 is communicated with the diversion chamber 202 (see fig. 3), and a rubber stopper 22 is plugged into the drainage hole 21. When the rainfall is large, the rubber stopper 22 can be opened, and the drainage efficiency can be improved.

The utility model discloses a working process and beneficial effect as follows: the circuit board of the power amplifier is positioned in the placing cavity 201 and is wired through the wire arranging hole. When the outdoor singing meets the rain, the clamping strip 13 is rotated, so that the clamping strip 13 is separated from the fixing groove 24. Through pressing the lug 10 of both sides in to casing 1, lug 10 can drive guide plate 8 and remove to 6 directions of division board, and two flashing 4 and rubber strip 5 can be down "V" shape this moment. With joint strip 13 joint in joint groove 11, compression spring 9 is the contraction state this moment, and the inner wall in joint groove 11 can support tightly with joint strip 13, avoids joint strip 13 to drop from joint strip 13. The reinforcing plate 16 is then pulled out by pulling the auxiliary tab 19 outwards, rotating the opposite sealing plates 17 until the teeth 18 snap into engagement with each other. Rainwater can drip on the rain shielding plate 4, the rubber strip 5, the reinforcing plate 16 and the sealing plate 17, and the rainwater falling on the rain shielding plate 4 and the rubber strip 5 can slide into the diversion cavity 202. When the sponge in the diversion cavity 202 is in a saturated state, the sponge is taken out through the slideway 7 and is wrung out, and then is put back into the placing cavity 201 again to absorb water. When the rainfall is large, the rubber stopper 22 is taken out, and the accumulated water in the diversion cavity 202 is discharged through the drainage hole 21. When weather changes sunny, with the separation of convex tooth 18 on the closing plate 17, slide reinforcing plate 16 in to dash board 4 afterwards, take out joint strip 13 from joint groove 11, dash board 4 can laminate on casing 1 roof, with joint strip 13 joint in fixed slot 24 can. Avoid the rainwater to get into and place the chamber 201 in, improve the stability of power amplifier in the rainy day.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a rainproof power amplifier shell, includes casing (1) of hollow cuboid form, be provided with cavity (2) in casing (1), its characterized in that, louvre (3) have been seted up to casing (1) lateral wall, casing (1) upper surface is provided with dash board (4) along its length direction symmetry, two be provided with rubber strip (5) between dash board (4), dash board (4) and rubber strip (5) fixed connection, cavity (2) are provided with division board (6) along casing (1) length direction symmetry, division board (6) separate cavity (2) into and place chamber (201) and two water conservancy diversion chambeies (202), casing (1) roof has seted up slide (7) and is linked together with water conservancy diversion chamber (202) along its length direction, the one end that rubber strip (5) were kept away from in dash board (4) articulates towards slide (7) direction has guide plate (8) and division board (202), and the one end of division board (4) is linked together (6) Parallel, be provided with compression spring (9) between guide plate (8) and division board (6), one side that division board (6) were kept away from in guide plate (8) is provided with lug (10), lug (10) keep away from the one end of guide plate (8) pass casing (1) and with casing (1) sliding connection, lug (10) week side has seted up joint groove (11), casing (1) lateral wall is located lug (10) week side and is provided with auxiliary rod (12) perpendicularly, it has joint strip (13) to articulate on auxiliary rod (12).

2. The rainproof power amplifier shell according to claim 1, wherein the rainproof plate (4) is provided with first blocking pieces (14) along the direction that the two side walls of the width direction of the shell (1) are far away from the shell (1), and the two ends of the rubber strip (5) are provided with second blocking pieces (15) along the direction that the two ends of the rubber strip are far away from the shell (1).

3. the rainproof power amplifier shell according to claim 1, wherein the interior of the rain shielding plate (4) is hollow, a reinforcing plate (16) is connected to the interior of the rain shielding plate (4) in a sliding manner, a sealing plate (17) is hinged to one end, close to the rubber strip (5), of the reinforcing plate (16), and a convex tooth (18) is arranged on one side, away from the hinged position, of the sealing plate (17).

4. The rainproof power amplifier case according to claim 3, wherein the reinforcing plates (16) are arranged in two pieces, and the two reinforcing plates (16) are symmetrically arranged along the width direction of the case (1).

5. The rainproof power amplifier casing according to claim 4, wherein auxiliary pieces (19) are arranged on the back sides of the two reinforcing plates (16) in the same rain shielding plate (4), and the auxiliary pieces (19) are located on the side, away from the casing (1), of the reinforcing plates (16).

6. The rainproof power amplifier case according to claim 1, wherein a sponge (20) is disposed in the flow guide cavity (202).

7. The rainproof power amplifier shell according to claim 1, wherein a drain hole (21) communicated with the diversion cavity (202) is formed in one side, far away from the rain shielding plate (4), of the shell (1), and a rubber plug (22) is arranged in the drain hole (21).

8. The rainproof power amplifier case according to claim 7, wherein a leg (23) is arranged on the lower surface of the case (1).