CN211791923U

CN211791923U - Lid behind polymer plastic audio amplifier

Info

Publication number: CN211791923U
Application number: CN202020859122.7U
Authority: CN
Inventors: 包光辉; 龙胜国; 黄珂彬
Original assignee: Huizhou Xuhui Plastic Technology Co ltd
Current assignee: Huizhou Xuhui Plastic Technology Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2020-10-27
Anticipated expiration: 2030-05-20

Abstract

The utility model belongs to the technical field of sound boxes, and discloses a polymer plastic sound box rear cover, which comprises a sound box cover plate, wherein four rotating rods are rotatably connected on the sound box cover plate, four rotating rods are in a group, are symmetrical in pairs, and one end of each rotating rod is provided with a limiting rod, a through type phase reversal hole is arranged at a position of the sound box cover plate close to one side between the four rotating rods, a phase reversal pipe is arranged at a position of the sound box cover plate close to one side between the four limiting rods, the sound box cover plate rotates through rotating the four rotating rods, and supports against a sound box through the four limiting rods, thereby fixing the sound box cover plate, when the sound box cover plate needs to be disassembled, the sound box cover plate can be disassembled through rotating the rotating rods, so that the device is convenient to fix and disassemble, when a user needs to disassemble or fix the device, a large number of fixing structures do not need to be unscrewed, the, the disassembly efficiency and the fixing efficiency of the device are improved.

Description

Lid behind polymer plastic audio amplifier

Technical Field

The utility model belongs to the technical field of the audio amplifier, concretely relates to lid behind polymer plastic audio amplifier.

Background

The sound box is a device which can convert audio signal into sound, and is a popular way that a power amplifier is arranged in a main box body or a bass box body of the sound box, the sound box generates sound after amplifying the audio signal, so that the sound becomes bigger, the sound box is a terminal of the whole sound system, and the sound box is used for converting audio electric energy into corresponding sound energy and radiating the sound energy into space, is an extremely important component of the sound system and is responsible for converting electric signal into sound signal for the direct listening of ears of people.

But the lid does not set up the structure of being convenient for to fix and dismantle behind the audio amplifier on the existing market, when user's needs dismantlement or fixing device, need unscrew a large amount of fixed knot and construct, has increased the dismantlement degree of difficulty and the fixed degree of difficulty of device, has reduced the dismantlement efficiency and the fixed efficiency of device to the paraphase hole gets into the dust easily, thereby makes the inside sound production structure of audio amplifier adsorb a large amount of dusts, thereby influences the tone quality of audio amplifier, reduces the quality of audio amplifier broadcast music.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lid behind polymer plastic audio amplifier to the reduction device that proposes in solving above-mentioned background art dismantles efficiency and fixed efficiency and, reduces the problem of audio amplifier broadcast music quality.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lid behind polymer plastic audio amplifier, includes the audio amplifier apron, it is connected with four bull sticks, four to rotate on the audio amplifier apron two for a set of, two bisymmetry, four the gag lever post is all installed to the one end of bull stick, the audio amplifier apron is close to one side position department between four bull sticks and sets up the paraphase hole of run-through, the audio amplifier apron is close to one side position department between four gag lever posts and installs the paraphase pipe.

Preferably, the connecting block is all installed to the top and the bottom of paraphase pipe, spacing frame is all installed in one side of the connection block back to the paraphase pipe, and the inside of connecting block has all seted up the slot, two the inserted bar has all been run through to spacing inside, install the movable plate on the periphery of inserted bar, and one side position department cover that the inserted bar is close to the movable plate is equipped with the pressure spring, two the connecting rod is all installed, two to the inside of slot the jack has all been seted up on the connecting rod, and one side position department between two connecting rods installs dustproof frame, the mounting groove has been seted up on the dustproof frame, the internally mounted of mounting groove has the dust screen.

Preferably, two pull rings are installed at the end, extending to the outside of the limiting frame, of the inserted bar, and pull holes are formed in the two pull rings.

Preferably, the cross sections of the insertion hole and the insertion rod are both circular structures, and the diameter of the insertion hole is larger than that of the insertion rod.

Preferably, the rotating plate is installed at one end, back to the limiting rod, of the rotating rod, and an arc-shaped groove is formed in the rotating plate.

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

(1) the utility model discloses a rotate four bull sticks, make four gag levers rotate, support the audio amplifier through four gag levers to fixed audio amplifier apron, when needing to dismantle the audio amplifier apron, the audio amplifier apron can be dismantled in the rotation bull stick, lets the device be convenient for fixed and dismantle, when the user need dismantle or fixing device, need not to unscrew a large amount of fixed knot and construct, reduced the dismantlement degree of difficulty and the fixed degree of difficulty of device, improved the dismantlement efficiency and the fixed efficiency of device.

(2) The utility model discloses a connecting rod inserts to the slot, promotes the movable plate extrusion through the pressure spring, makes the inserted bar insert to the jack in to it is fixed with connecting rod and connecting block, blocks the dust through the dust screen on the dustproof frame, lets the inside sound production structure of audio amplifier can not adsorb a large amount of dusts, can not influence the tone quality of audio amplifier, improves the quality of audio amplifier broadcast music.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a left side view of the present invention;

FIG. 3 is a side view of the dustproof frame of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 1;

FIG. 5 is an enlarged view of portion B of FIG. 1;

FIG. 6 is a top view of the insertion rod of the present invention connected to the connecting rod;

in the figure: 1-a sound box cover plate; 2-inverter tube; 3, a dustproof frame; 4-a connecting rod; 5-a limiting rod; 6-inverter holes; 7-rotating the plate; 8-mounting grooves; 9-dust screen; 10-rotating rod; 11-moving the plate; 12-a pressure spring; 13-a pull ring; 14-a plunger; 15-a limiting frame; 16-a slot; 17-connecting blocks; 18-jack.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides a lid behind polymer plastic audio amplifier, including audio amplifier apron 1, audio amplifier apron 1 adopts the polymer plastic, it is connected with four bull sticks 10 to rotate on the audio amplifier apron 1, four bull sticks 10 are a set of for two, two bisymmetry, gag lever post 5 is all installed to the one end of four bull sticks 10, one side position department that audio amplifier apron 1 is close to between four bull sticks 10 sets up the looks inverting hole 6 of run-through, one side position department that audio amplifier apron 1 is close to between four gag lever posts 5 installs the phase inverting pipe 2, through rotating four bull sticks 10, make four bull sticks 10 drive gag lever posts 5 and rotate, make four gag lever posts 5 support the audio amplifier, thereby fix audio amplifier apron 1.

Further, the top and the bottom of the inverter tube 2 are both provided with a connecting block 17, one side of the connecting block 17 opposite to the inverter tube 2 is both provided with a limiting frame 15, slots 16 are arranged inside the connecting block 17, inserting rods 14 penetrate through the insides of the two limiting frames 15, a moving plate 11 is arranged on the circumferential surface of the inserting rod 14, a pressure spring 12 is sleeved at one side position of the inserting rod 14 close to the moving plate 11, connecting rods 4 are arranged inside the two slots 16, jacks 18 are arranged on the two connecting rods 4, a dustproof frame 3 is arranged at one side position between the two connecting rods 4, a mounting groove 8 is arranged on the dustproof frame 3, a dustproof net 9 is arranged inside the mounting groove 8, the two connecting rods 4 are inserted into the slots 16, the moving plate 11 is pushed by the pressure spring 12 to enable the inserting rods 14 to be inserted into the jacks 18, thereby fixing the connecting rods 4 and enabling the dustproof frame 3 to be fixed at one side of the, the dust is blocked by the dust screen 9.

Further, pull ring 13 is all installed to the outside one end that two inserted bars 14 extend to spacing 15, has all seted up the trompil on two pull rings 13, lets inserted bar 14 be convenient for stimulate through trompil and pull ring 13.

Furthermore, the cross sections of the insertion hole 18 and the insertion rod 14 are circular structures, the diameter of the insertion hole 18 is larger than that of the insertion rod 14, and the insertion hole 18 with the larger diameter is convenient for clamping the insertion rod 14.

Furthermore, the rotating plate 7 is installed at one end, back to the limiting rod 5, of the rotating rod 10, an arc-shaped groove is formed in the rotating plate 7, and the rotating rod 10 can rotate conveniently through the arc-shaped groove and the rotating plate 7.

The utility model discloses a theory of operation and use flow: when the utility model is used, the device is moved to the using point, the dustproof frame 3 is inserted into the two slots 16 through the two connecting rods 4, the moving plate 11 is pushed by the compression spring 12, the inserted link 14 is moved, the inserted link 14 is inserted into the insertion hole 18, thereby fixing the connecting rod 4 and the connecting block 17, fixing the dustproof frame 3 at one side of the phase reversal pipe 2, placing the sound box cover plate 1 at the rear of the sound box, rotating the four rotating plates 7, thereby driving the four rotating rods 10 to rotate, causing the four limiting rods 5 to prop against the sound box, thereby fixing the sound box cover plate 1, blocking dust through the dust screen 9 on the mounting groove 8, thereby preventing dust from entering the interior of the sound box from the phase inversion hole 6 and the phase inversion tube 2, when the sound box cover plate 1 needs to be disassembled, the sound box cover plate 1 can be detached only by rotating the rotating plate 7 to separate the limiting rod 5 from the sound box.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lid behind polymer plastic audio amplifier which characterized in that: including audio amplifier apron (1), it is connected with four bull sticks (10), four to rotate on audio amplifier apron (1) bull stick (10) two are a set of, two bisymmetry, four gag lever post (5) are all installed to the one end of bull stick (10), one side position department that audio amplifier apron (1) is close to between four bull sticks (10) sets up through type looks inverted hole (6), one side position department that audio amplifier apron (1) is close to between four gag lever posts (5) installs looks inverted tube (2).

2. The polymer plastic speaker back cover according to claim 1, wherein: the top and the bottom of the inverter tube (2) are both provided with connecting blocks (17), one side of each connecting block (17) opposite to the inverter tube (2) is both provided with a limiting frame (15), slots (16) are formed in the connecting blocks (17), inserting rods (14) penetrate through the limiting frames (15), moving plates (11) are mounted on the circumferential surfaces of the inserting rods (14), a pressure spring (12) is sleeved at one side of the inserted link (14) close to the movable plate (11), connecting links (4) are respectively arranged in the two slots (16), the two connecting links (4) are respectively provided with an insertion hole (18), and a dustproof frame (3) is arranged at one side position between the two connecting rods (4), the dustproof frame (3) is provided with a mounting groove (8), and a dustproof net (9) is arranged in the mounting groove (8).

3. The polymer plastic speaker back cover according to claim 2, wherein: two pull rings (13) are all installed to the one end that inserted bar (14) extend to spacing (15) outside, two pull hole has all been seted up on pull ring (13).

4. The polymer plastic speaker back cover according to claim 2, wherein: the cross sections of the insertion holes (18) and the insertion rods (14) are both circular structures, and the diameters of the insertion holes (18) are larger than the diameters of the insertion rods (14).

5. The polymer plastic speaker back cover according to claim 1, wherein: the rotating plate (7) is mounted at one end, back to the limiting rod (5), of the rotating rod (10), and an arc-shaped groove is formed in the rotating plate (7).