CN218071704U

CN218071704U - Rear cover fixing support of audio amplifier

Info

Publication number: CN218071704U
Application number: CN202221552715.4U
Authority: CN
Inventors: 张平生; 邓国平; 王伟
Original assignee: Dongguan Huazhen Electric Appliance Co ltd
Current assignee: Dongguan Huazhen Electric Appliance Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-12-16
Anticipated expiration: 2032-06-21

Abstract

The utility model discloses a lid fixed bolster behind audio amplifier relates to audio amplifier technical field, including the back lid shell, a plurality of groups block subassembly is installed on the upper portion of back lid shell, the subassembly of being convenient for change is installed to the bottom of back lid shell, through first fixture block, cooperation between arm-tie and the first spring, can push simultaneously and promote a plurality of arm-tie, make it remove to the centre, make first spring shrink, first fixture block removes in the fixed slot, aim at the back lid shell again the loudspeaker rear portion and place the position that wants the block, loosen a plurality of arm-tie again, make first fixture block card at the fixture block inslot at loudspeaker rear portion, make the inside rear portion to the audio amplifier of back lid shell support fixedly, this fixed mode is simple quick, through having seted up a plurality of aperture on back lid shell surface, conveniently dispel the heat to loudspeaker inside, and through setting up the stopper, the effect of second fixture block and second spring, the filter screen is conveniently installed and is dismantled with the mode of block.

Description

Rear cover fixing support of audio amplifier

Technical Field

The utility model relates to an audio amplifier technical field specifically is an audio amplifier rear cover fixed bolster.

Background

The magnet and the back lid of present audio amplifier rear end are threaded connection, and it is all comparatively inconvenient when installation or dismantlement, the difficult equipment of loudspeaker, and the structure is complicated, and back lid links to each other with magnet, at the in-process of installation, causes the damage to magnet easily, influences its normal use, for this reason, we provide an audio amplifier back lid fixed bolster.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an audio amplifier back cover fixed bolster has solved the problem that above background art provided.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a rear cover fixing support of an audio amplifier comprises a rear cover shell, wherein a plurality of groups of clamping assemblies are mounted at the upper part of the rear cover shell, and assemblies convenient to replace are mounted at the bottom of the rear cover shell;

the clamping assembly comprises a plurality of first clamping blocks arranged outside the rear cover shell, the edge of the upper surface of each first clamping block is connected with a pulling plate, and one end of each first clamping block is connected with a first spring.

As a further technical scheme of the utility model, the fixed slot has all been seted up to the surface of back lid shell corresponding first fixture block department, the movable groove has all been seted up to the outside inclined plane of back lid shell corresponding arm-tie department.

As a further technical scheme of the utility model, every first fixture block and arm-tie and every fixed slot and the width looks adaptation in activity groove.

As the utility model discloses a further technical scheme, be convenient for change the filter screen that the subassembly includes back lid shell internal surface setting, the external connection of filter screen has the go-between, two spacing grooves have been seted up, two to the inner wall of back lid shell the inside of spacing groove all is provided with stopper, two the inside of stopper all is provided with the second fixture block, two the side of second fixture block all is connected with the second spring, two the draw-in groove has all been seted up to the medial surface of spacing groove corresponding second fixture block department.

As a further technical scheme of the utility model, the internal surface of filter screen and go-between and back lid shell and the size of a dimension phase-match of two spacing grooves.

As a further technical scheme of the utility model, back lid shell and filter screen pass through stopper, second fixture block and second spring with the go-between and are fixed mutually.

Advantageous effects

The utility model provides a lid fixed bolster behind audio amplifier. Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides a lid fixed bolster behind audio amplifier, first fixture block through setting up, cooperation between arm-tie and the first spring, can push simultaneously and promote a plurality of arm-tie, make it remove to the centre, make first spring shrink, first fixture block removes in the fixed slot, aim at the position that the loudspeaker rear portion wanted the block with the back lid shell again and place, loosen a plurality of arm-tie again, make first fixture block card at the block inslot at loudspeaker rear portion, make the inside rear portion to the audio amplifier of back lid shell support fixedly, this fixed mode is simple quick, and do not damage magnet.

2. The utility model provides a lid fixed bolster behind audio amplifier, is through inside filter screen and the go-between of setting up of back lid shell, and back lid shell surface has seted up a plurality of aperture, and the convenience is to the inside heat dissipation of loudspeaker, and inside the filter screen prevents that great granule from getting into, influences life, and through the effect that sets up stopper, second fixture block and second spring, conveniently installs and dismantles the filter screen with the mode of block, makes it change simply and fast.

Drawings

Fig. 1 is a schematic front view of a rear cover fixing bracket of an audio amplifier;

fig. 2 is a schematic diagram of a back side structure of a rear cover fixing bracket of an audio amplifier;

FIG. 3 is an exploded view of a latch assembly in a rear cover bracket of an audio amplifier;

FIG. 4 is a schematic cross-sectional view of a snap-fit assembly in a rear cover bracket of an audio amplifier;

FIG. 5 is an exploded view of an audio amplifier rear cover mounting bracket to facilitate replacement of components;

fig. 6 is a schematic cross-sectional view of an audio amplifier rear cover fixing bracket for facilitating replacement of components.

In the figure: 1. a rear cover shell; 2. clamping the assembly; 21. a first clamping block; 22. pulling a plate; 23. a first spring; 24. a movable groove; 25. a fixing groove; 3. the components are convenient to replace; 31. filtering with a screen; 32. a connecting ring; 33. a limiting groove; 34. a limiting block; 35. a second fixture block; 36. a second spring; 37. a clamping groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution for a rear cover fixing bracket of an audio amplifier: the utility model provides a lid fixed bolster behind audio amplifier, includes back lid shell 1, and a plurality of groups block subassembly 2 are installed on the upper portion of back lid shell 1, and the subassembly 3 of being convenient for change is installed to the bottom of back lid shell 1.

Referring to fig. 3-4, the fastening assembly 2 includes a plurality of first fastening blocks 21 disposed outside the rear cover shell 1, the upper surface edges of the plurality of first fastening blocks 21 are connected to pull plates 22, one ends of the plurality of first fastening blocks 21 are connected to first springs 23, fixing grooves 25 are formed in the outer surface of the rear cover shell 1 corresponding to the first fastening blocks 21, movable grooves 24 are formed in the outer inclined surface of the rear cover shell 1 corresponding to the pull plates 22, and each first fastening block 21 and each pull plate 22 are adapted to the width of each fixing groove 25 and each movable groove 24.

When the in-service use of block subassembly 2, promote a plurality of arm-tie 22 through the extrusion simultaneously, make a plurality of arm-tie 22 remove to 1 central direction of back lid shell simultaneously, then first spring 23 shrink, first fixture block 21 moves in the fixed slot 25, aim at the rear portion of loudspeaker with back lid shell 1 again, loosen a plurality of arm-tie 22 again, make first spring 23 reset first fixture block 21, make first fixture block 21 card at the fixture block inslot at loudspeaker rear portion, fix back lid shell 1, then the inside of back lid shell 1 carries out the fixed support to the rear portion of audio amplifier.

Referring to fig. 5-6, the replacement facilitating assembly 3 includes a filter screen 31 disposed on an inner surface of the rear cover shell 1, a connection ring 32 is connected to an outer portion of the filter screen 31, two limiting grooves 33 are formed in an inner wall of the rear cover shell 1, limiting blocks 34 are disposed inside the two limiting grooves 33, second clamping blocks 35 are disposed inside the two limiting blocks 34, second springs 36 are connected to lateral sides of the two second clamping blocks 35, clamping grooves 37 are formed in inner side surfaces of the two limiting grooves 33 and correspond to the second clamping blocks 35, the filter screen 31 and the connection ring 32 are matched with the inner surface of the rear cover shell 1 and the size of the two limiting grooves 33, and the rear cover shell 1 and the filter screen 31 are fixed to the connection ring 32 through the limiting blocks 34, the second clamping blocks 35 and the second springs 36.

When being convenient for change subassembly 3's in the in-service use, through placing filter screen 31 and go-between 32 in back lid shell 1, promote second fixture block 35 to remove again, make second spring 36 shrink, then the side of second fixture block 35 flushes with the side of stopper 34 mutually, aim at stopper 34 again and place into spacing groove 33, loosen the hand that promotes second fixture block 35 top this moment, make second spring 36 reset second fixture block 35, then second fixture block 35 gets into in the draw-in groove 37, again according to the aforesaid, operate another fastener with same mode, make in another second fixture block 35 of it gets into draw-in groove 37 equally, then fix filter screen 31 and go-between 32.

The utility model discloses a theory of operation: when the filter screen 31 and the connecting ring 32 are aligned, the bottom of the rear cover shell 1 is placed into the limiting groove 33, one of the second clamping blocks 35 is pushed to move, the second spring 36 is contracted, the side surface of the second clamping block 35 is flush with the side surface of the limiting block 34, the limiting block 34 is placed into the limiting groove 33, the hand pushing the top of the second clamping block 35 is loosened, the second spring 36 resets the second clamping block 35, the second clamping block 35 enters the clamping groove 37, the other second clamping block 35 is operated in the same manner according to the above description, the other second clamping block 35 also enters the clamping groove 37, and the filter screen 31 and the connecting ring 32 are fixed;

pinch simultaneously again a plurality of arm-tie 22 and remove to 1 central direction in back lid shell, make first spring 23 shrink, first fixture block 21 removes in the fixed slot 25, aim at the loudspeaker rear portion with back lid shell 1 again, loosen the hand of pinching a plurality of arm-tie 22, then first spring 23 does not receive the extrusion, reset first fixture block 21, make first fixture block 21 enter into the fixture block inslot at accurate loudspeaker rear portion, and then fix back lid shell 1 at the rear portion of loudspeaker, then the inside of back lid shell 1 supports the rear portion of audio amplifier.

Claims

1. A rear cover fixing support of an audio amplifier comprises a rear cover shell (1), and is characterized in that a plurality of groups of clamping components (2) are mounted at the upper part of the rear cover shell (1), and a component (3) convenient to replace is mounted at the bottom of the rear cover shell (1);

block subassembly (2) are including the outside first fixture block of a plurality of (21) that set up of back lid shell (1), a plurality of the upper surface edge of first fixture block (21) all is connected with arm-tie (22), a plurality of the one end of first fixture block (21) all is connected with first spring (23).

2. The rear cover fixing bracket of the audio amplifier according to claim 1, wherein the outer surface of the rear cover shell (1) corresponding to the first fastening block (21) is provided with a fixing groove (25), and the outer inclined surface of the rear cover shell (1) corresponding to the pulling plate (22) is provided with a movable groove (24).

3. The rear cover fixing bracket for an audio amplifier according to claim 2, wherein each of the first engaging piece (21) and the pulling piece (22) is adapted to the width of each of the fixing groove (25) and the moving groove (24).

4. The rear cover fixing bracket for the audio amplifier according to claim 1, wherein the component (3) convenient to replace comprises a filter screen (31) arranged on the inner surface of the rear cover shell (1), the outer portion of the filter screen (31) is connected with a connecting ring (32), two limiting grooves (33) are formed in the inner wall of the rear cover shell (1), two limiting blocks (34) are arranged in the limiting grooves (33), two second clamping blocks (35) are arranged in the limiting blocks (34), the side surfaces of the second clamping blocks (35) are connected with second springs (36), and clamping grooves (37) are formed in the positions, corresponding to the second clamping blocks (35), of the inner side surfaces of the limiting grooves (33).

5. The rear cover fixing bracket of the audio amplifier according to claim 4, wherein the filter screen (31) and the connecting ring (32) are matched with the inner surface of the rear cover shell (1) and the size of the two limiting grooves (33).

6. The rear cover fixing bracket of the audio amplifier according to claim 5, wherein the rear cover shell (1) and the filter screen (31) are fixed with the connecting ring (32) through a limiting block (34), a second clamping block (35) and a second spring (36).