CN215956579U

CN215956579U - High-precision power amplifier side plate

Info

Publication number: CN215956579U
Application number: CN202121615718.3U
Authority: CN
Inventors: 谢立飞; 刘文章
Original assignee: Huizhou Lihua Hardware Electronics Co ltd
Current assignee: Huizhou Lihua Hardware Electronics Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-03-04
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a high-precision power amplifier side plate which comprises a side plate main body and a dustproof mechanism, wherein the dustproof mechanism consists of a rectangular frame, a dustproof net, two rotary columns, a torsional spring and fixed blocks, the dustproof net is arranged in the rectangular frame, the two fixed blocks are fixedly connected to the front side of the side plate main body, rotary grooves are formed in the two fixed blocks, the rotary columns are rotatably connected to the inner parts of the rotary grooves, the torsional spring is arranged between the rotary columns and the rotary grooves, and connecting mechanisms are arranged between the two rotary columns and two sides of the rectangular frame. According to the utility model, the rectangular frame is connected with the rotary column through the connecting mechanism by utilizing the arrangement of the rectangular frame, the dustproof net, the two fixing blocks, the rotary column, the torsional spring and the connecting mechanism, so that the torsion of the torsional spring to the rotary column is directly acted on the rectangular frame under the limit of the fixing blocks, the rectangular frame is tightly attached to the side plate, the radiating groove is covered by the dustproof net, dust is prevented from entering the power amplifier through the radiating groove, and the dust on the dustproof net is directly cleaned during cleaning.

Description

High-precision power amplifier side plate

Technical Field

The utility model relates to the field of power amplification, in particular to a high-precision power amplification side plate.

Background

The high-precision power amplifier is one of power amplifiers, is the most basic equipment in a sound system, and can precisely amplify a weak electric signal from a signal source to drive a loudspeaker to make a sound.

The curb plate of high-accuracy power amplifier is through the bolt mounting in the side of power amplifier, has seted up a plurality of radiating grooves on the curb plate, and the inside heat that produces of power amplifier during operation of being convenient for in time gets rid of, but these radiating grooves make the power amplifier inside and external world be linked together always, lead to inside the dust can get into the power amplifier through the radiating groove for the power amplifier internals adheres to the dust, is difficult to clear up these dusts.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-precision power amplifier side plate to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-precision power amplifier side plate comprises:

the front surface of the side plate main body is provided with a plurality of heat dissipation grooves;

dustproof mechanism, dustproof mechanism comprises rectangle frame, dust screen, two rotary columns, torsional spring and fixed block, the dust screen sets up in the inside of rectangle frame, two fixed block fixed connection is in the front of curb plate main part, two the rotary trough has all been seted up to the inside of fixed block, the rotary column rotates to be connected in the inside of rotary trough, the torsional spring sets up between rotary column and rotary trough, two all be provided with coupling mechanism between the both sides of rotary column and rectangle frame.

Preferably, coupling mechanism includes the inserted block, the draw-in groove has been seted up to the outer wall of commentaries on classics post, inserted block activity interlude connects in the inner wall of draw-in groove, inserted block fixed connection is in one side of rectangle frame, the commentaries on classics hole has been seted up to one side of commentaries on classics inslot wall, the commentaries on classics post rotates and connects in the inner wall in commentaries on classics hole, the slot has been seted up to the inner wall in commentaries on classics hole.

Preferably, the outer wall of the inserting block is provided with a plurality of elastic bulges, and the outer wall of each elastic bulge is attached to the inner wall of the corresponding clamping groove.

Preferably, the inner wall sliding connection of turn trough has the spacing ring, the fixed cover of spacing ring is connected in the outer wall of rotary column, torsional spring one end and one side fixed connection of spacing ring, the other end of torsional spring and the inner wall fixed connection of turn trough.

Preferably, the rectangle activity groove has been seted up to the one end of rotary column, the inner wall activity interlude in rectangle activity groove is connected with the rectangular block, the rectangle constant head tank has been seted up to the opposite side of rotary tank inner wall, the activity hole has been seted up to one side of rectangle constant head tank inner wall, one side fixedly connected with movable rod of rectangular block, movable rod activity interlude is connected in the inside in activity hole.

Preferably, the inner wall subsides of activity hole are equipped with the rubber ring, the inner wall of rubber ring sets up with the outer wall laminating of movable rod, the one end fixedly connected with arm-tie of movable rod.

The utility model has the technical effects and advantages that:

(1) according to the utility model, the rectangular frame is connected with the rotary column through the connecting mechanism by utilizing the arrangement of the rectangular frame, the dustproof net, the two fixing blocks, the rotary column, the torsional spring and the connecting mechanism, so that the torsion of the torsional spring to the rotary column is directly acted on the rectangular frame under the limit of the fixing blocks, the rectangular frame is tightly attached to the side plate, the radiating groove is covered by the dustproof net, dust is prevented from entering the power amplifier through the radiating groove, and the dust on the dustproof net is directly cleaned during cleaning;

(2) according to the utility model, by means of the arrangement of the slot and the slot, the slot is communicated with the slot through the rotation of the rotary column, so that the insertion blocks can be sequentially taken out from the slot and the slot, the rectangular frame can be detached to clean the dust screen, and the convenience of cleaning the dust screen is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic perspective view of the side plate main body according to the present invention.

Fig. 3 is a front cross-sectional structural view of the fixing block of the present invention.

Fig. 4 is a side sectional view of the fixing block according to the present invention.

In the figure: 1. a side plate main body; 2. a heat sink; 3. a rectangular frame; 4. a dust screen; 5. a fixed block; 6. rotating the groove; 7. a torsion spring; 8. inserting a block; 9. hole turning; 10. a slot; 11. a card slot; 12. an elastic bulge; 13. a limiting ring; 14. a rectangular movable slot; 15. a rectangular block; 16. a rectangular positioning groove; 17. a movable hole; 18. a movable rod; 19. a rubber ring; 20. pulling a plate; 21. and (4) rotating the column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a high-precision power amplifier side plate as shown in figures 1-4, which comprises a side plate main body 1, a plurality of heat dissipation grooves 2 are arranged on the front surface of the side plate main body 1 of a dustproof mechanism, the dustproof mechanism consists of a rectangular frame 3, a dustproof net 4, two rotary columns 21, a torsional spring 7 and fixed blocks 5, the dustproof net 4 is arranged inside the rectangular frame 3, the two fixed blocks 5 are fixedly connected with the front surface of the side plate main body 1, the rotary grooves 6 are arranged inside the two fixed blocks 5, the rotary columns 21 are rotatably connected with the inside of the rotary grooves 6, the torsional spring 7 is arranged between the rotary columns 21 and the rotary grooves 6, a connecting mechanism is arranged between the two rotary columns 21 and two sides of the rectangular frame 3, a sealing paste is pasted on the back surface of the rectangular frame 3, the rectangular frame 3 is driven to be tightly pasted on the front surface of the side plate main body 1 through the torsional force of the torsional spring 7, so as to cover the heat dissipation grooves 2 through the dustproof net 4, thereby preventing dust from entering the power amplifier through the heat dissipation groove 2;

the connecting mechanism comprises an inserting block 8, a clamping groove 11 is formed in the outer wall of the rotating column 21, the inserting block 8 is movably inserted and connected to the inner wall of the clamping groove 11, the inserting block 8 is fixedly connected to one side of the rectangular frame 3, a rotating hole 9 is formed in one side of the inner wall of the rotating groove 6, the rotating column 21 is rotatably connected to the inner wall of the rotating hole 9, a slot 10 is formed in the inner wall of the rotating hole 9, when the rectangular frame 3 is installed, the slot 10 is aligned with the clamping groove 11, the inserting block 8 can be conveniently inserted into the slot 10 and the clamping groove 11 in sequence, the rotating column 21 rotates under the action of the torsion spring 7 after insertion, the slot 10 and the clamping groove 11 can be staggered, the inserting block 8 is limited through the inner wall of the rotating hole 9, and the inserting block 8 is prevented from being separated from the clamping groove 11;

the outer wall of the insert block 8 is provided with a plurality of elastic bulges 12, the outer walls of the elastic bulges 12 are all attached to the inner wall of the clamping groove 11, and after the insert block 8 is inserted into the clamping groove 11, the elastic bulges 12 abut against the inner wall of the clamping groove 11, so that the insert block 8 can be stably clamped in the clamping groove 11;

the inner wall of the rotary groove 6 is connected with a limiting ring 13 in a sliding mode, the limiting ring 13 is fixedly sleeved on the outer wall of the rotary column 21, one end of the torsion spring 7 is fixedly connected with one side of the limiting ring 13, the other end of the torsion spring 7 is fixedly connected with the inner wall of the rotary groove 6, the limiting ring 13 limits the rotary column 21, and the rotary column 21 is prevented from being separated from the rotary groove 6;

one end of the rotary column 21 is provided with a rectangular movable groove 14, the inner wall of the rectangular movable groove 14 is movably inserted and connected with a rectangular block 15, the other side of the inner wall of the rotary groove 6 is provided with a rectangular positioning groove 16, one side of the inner wall of the rectangular positioning groove 16 is provided with a movable hole 17, one side of the rectangular block 15 is fixedly connected with a movable rod 18, and the movable rod 18 is movably inserted and connected inside the movable hole 17;

the inner wall of the movable hole 17 is adhered with a rubber ring 19, the inner wall of the rubber ring 19 is adhered with the outer wall of the movable rod 18, the rubber ring 19 increases the friction force between the movable rod 18 and the movable hole 17, so that the movable rod 18 can be always stably inserted into the movable hole 17 when not being subjected to other transverse external forces, and further the rectangular block 15 is ensured to be stably inserted into the rectangular positioning groove 16, one end of the movable rod 18 is fixedly connected with a pulling plate 20, the pulling plate 20 is convenient for the movable rod 18 to move, meanwhile, the rectangular block 15 cannot be separated from the rectangular movable groove 14 due to the limitation of the movable hole 17 on the rectangular block 15, the rectangular block 15 is clamped in the rectangular movable groove 14, so that the movable rod 18 can synchronously rotate with the rotary column 21, after the rectangular block 15 is clamped into the rectangular positioning groove 16, the rectangular block 15 is limited by the rectangular positioning groove 16, so that the rotary column 21 cannot rotate due to the torsion force of the torsion spring 7 acting on the rotary column 21, and after the rectangular frame 3 is disassembled, the rotary column 21 can be stably limited.

The working principle of the utility model is as follows: when the dust screen 4 needs to be detached for cleaning, the bottom of the rectangular frame 3 is grasped by hands, the rectangular frame 3 is rotated upwards by 90 degrees, so that the rectangular frame 3 drives the insertion block 8 to rotate, the insertion block 8 drives the rotary post 21 to rotate, the rotary post 21 rotates to compress the torsion spring 7 until the slot 10 is aligned with the slot 11, the pulling plate 20 is pulled outwards, so that the pulling plate 20 drives the movable rod 18 to a certain extent, the rectangular block 15 moves until the rectangular block 15 is clamped into the rectangular positioning slot 16, at this time, the rectangular positioning slot 16 limits the rectangular block 15 to counteract the torsion force of the torsion spring 7 acting on the rotary column 21, and at this time, the rectangular frame 3 can be moved upwards, so that the insertion block 8 is separated from the slot 11 and the slot 10 in sequence, that is to say, the rectangular frame 3 is taken down to clean the dust screen 4, and the dust screen 4 and the rectangular frame 3 after cleaning can be installed on the side plate main body 1 by reversely carrying out the operations.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a high accuracy power amplifier curb plate which characterized in that includes:

the side plate comprises a side plate main body (1), wherein the front surface of the side plate main body (1) is provided with a plurality of heat dissipation grooves (2);

dustproof mechanism, dustproof mechanism comprises rectangle frame (3), dust screen (4), two rotary columns (21), torsional spring (7) and fixed block (5), dust screen (4) set up in the inside of rectangle frame (3), two fixed block (5) fixed connection is in the front of curb plate main part (1), two rotary trough (6) have all been seted up to the inside of fixed block (5), rotary column (21) rotate to be connected in the inside of rotary trough (6), torsional spring (7) set up between rotary column (21) and rotary trough (6), two all be provided with coupling mechanism between the both sides of rotary column (21) and rectangle frame (3).

2. The high-precision power amplifier side plate according to claim 1, wherein the connecting mechanism comprises an insert block (8), a clamping groove (11) is formed in an outer wall of the rotary column (21), the insert block (8) is movably inserted into an inner wall of the clamping groove (11), the insert block (8) is fixedly connected to one side of the rectangular frame (3), a rotary hole (9) is formed in one side of an inner wall of the rotary groove (6), the rotary column (21) is rotatably connected to an inner wall of the rotary hole (9), and a slot (10) is formed in an inner wall of the rotary hole (9).

3. The high-precision power amplifier side plate according to claim 2, wherein a plurality of elastic protrusions (12) are arranged on the outer wall of the insertion block (8), and the outer walls of the elastic protrusions (12) are attached to the inner wall of the clamping groove (11).

4. The high-precision power amplifier side plate according to claim 1, wherein a limiting ring (13) is slidably connected to an inner wall of the rotary groove (6), the limiting ring (13) is fixedly sleeved on an outer wall of the rotary column (21), one end of the torsion spring (7) is fixedly connected to one side of the limiting ring (13), and the other end of the torsion spring (7) is fixedly connected to an inner wall of the rotary groove (6).

5. The high-precision power amplifier side plate according to claim 1, wherein a rectangular active groove (14) is formed in one end of the rotary column (21), a rectangular block (15) is movably inserted and connected to an inner wall of the rectangular active groove (14), a rectangular positioning groove (16) is formed in the other side of an inner wall of the rotary groove (6), an active hole (17) is formed in one side of an inner wall of the rectangular positioning groove (16), an active rod (18) is fixedly connected to one side of the rectangular block (15), and the active rod (18) is movably inserted and connected to the inside of the active hole (17).

6. The high-precision power amplifier side plate according to claim 5, wherein a rubber ring (19) is attached to the inner wall of the movable hole (17), the inner wall of the rubber ring (19) is attached to the outer wall of the movable rod (18), and one end of the movable rod (18) is fixedly connected with a pulling plate (20).