CN211152138U

CN211152138U - Distortion-proof rear-stage power amplifier

Info

Publication number: CN211152138U
Application number: CN201922170984.9U
Authority: CN
Inventors: 孔梓浩
Original assignee: Guangzhou Zhaoyi Audio Co ltd
Current assignee: Guangzhou Zhaoyi Audio Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-07-31
Anticipated expiration: 2029-12-06

Abstract

The utility model relates to a power amplifier technical field just discloses an anti-distortion back-stage power amplifier, which comprises a bod, two phonate holes, two have been seted up to the front side symmetry of organism fixed supply socket and a plurality of signal hole of being equipped with between the phonate hole, first through-hole has been seted up to the bottom of organism, two spouts, two have been seted up to the lateral wall symmetry of first through-hole the inside of spout slides respectively and is equipped with the slide bar, two the common fixedly connected with connecting rod in upper end of slide bar, the pole wall downside fixedly connected with radiator fan of connecting rod, the inside stop gear that all fixes of lateral wall is equipped with about the lower extreme of first through-hole, the fixed installation mechanism that is equipped with of lower surface bilateral symmetry of organism. The utility model discloses guarantee the stability of power amplifier, simplified the clearance that corresponds radiator fan simultaneously.

Description

Distortion-proof rear-stage power amplifier

Technical Field

The utility model relates to a power amplifier technical field especially relates to an anti-distortion back-stage power amplifier.

Background

The power amplifier is commonly called as a loudspeaker, and has the functions of amplifying weak signals from a sound source or a preceding stage amplifier and pushing a sound box to play sound, a set of good sound system power amplifier has no function, and the power amplifier can be mainly divided into three categories of professional power amplifier, civil power amplifier and special power amplifier.

Although the distortion prevention effect of the traditional T-type rear-stage power amplifier is better, the traditional T-type rear-stage power amplifier is directly placed on a desktop for use, and the heat dissipation fan is fixedly arranged in the machine body, so that the problem caused by the fact that the power amplifier is not good in heat dissipation effect due to the fact that the power amplifier is not easy to clean due to the fact that the power amplifier is collided and the placement position is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art radiator fan of power amplifier and being difficult for clearing up and place the shakiness, in case when needs clear up, the staff need spend more time to remove and dismantle the organism, dismantles and the comparatively loaded down with trivial details problem of installation, and the distortion prevention rear power amplifier that provides.

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

the utility model provides an anti-distortion rear-stage power amplifier, includes the organism, two phonate holes, two have been seted up to the front side symmetry of organism fixed supply socket and a plurality of signal hole of being equipped with between the phonate hole, first through-hole has been seted up to the bottom of organism, two spouts, two have been seted up to the lateral wall symmetry of first through-hole the inside of spout slides respectively and is equipped with the slide bar, two the common fixedly connected with connecting rod in upper end of slide bar, the pole wall downside fixedly connected with radiator fan of connecting rod, the inside stop gear that all is fixed to be equipped with of lateral wall about the lower extreme of first through-hole, the fixed installation mechanism that is equipped with of lower surface bilateral symmetry of organism.

Preferably, stop gear includes first spring, stopper and gag lever post the cavity has been seted up to the inside symmetry of organism, first spring sets up in the inside left side wall fixed connection of just left end and cavity in the cavity, the right-hand member and the stopper fixed connection of first spring, the right side wall and the gag lever post fixed connection of stopper, the right-hand member of gag lever post runs through the cavity and outwards extends and cup joints with the organism activity, two spacing hole has been seted up to a side surface that the lower extreme of slide bar deviates from, gag lever post and the spacing hole phase-match that corresponds.

Preferably, installation mechanism includes the supporting legs, the inside of supporting legs is seted up flutedly, the fixed sucking disc that is equipped with in inside of recess, the second through-hole has been seted up to the inside of sucking disc, the fixed gaseous check valve that is equipped with in inside upper end of sucking disc, the upper end right side wall fixedly connected with trachea of sucking disc, the fixed casing that is equipped with of right side wall of supporting legs, tracheal right-hand member runs through the casing and extends to its inside and fixedly connected with gasbag, the first clamp plate of right side fixedly connected with of gasbag, the right side fixedly connected with depression bar of first clamp plate, the right-hand member of depression bar runs through the casing and outwards extends and fixedly connected with second clamp plate, the second spring has been cup jointed in the pole wall activity of depression bar, both ends offset the setting with casing and second clamp plate respectively about the second spring.

Preferably, the downside fixedly connected with pull rod of stopper, two the bar mouth has all been seted up to the downside of cavity, the pull rod respectively with the bar mouth phase-match that corresponds.

Preferably, a plurality of air outlet holes are symmetrically formed in the supporting legs, and each air outlet hole is communicated with the groove.

Preferably, the first spring and the second spring are both made of stainless steel materials.

Compared with the prior art, the utility model provides an anti-distortion rear-stage power amplifier possesses following beneficial effect:

1. this distortion prevention back level power amplifier through arrange the inside gaseous check valve of sucking disc in a little, can be with the position of power amplifier after just, discharges the inside gas of sucking disc through gaseous check valve and venthole through the weight of power amplifier self, makes the installation of power amplifier comparatively stable.

2. This distortion prevention rear-stage power amplifier through setting up the stop gear in the cavity inside, when can needing to clear up radiator fan down, takes out radiator fan through the limiting displacement who removes stop gear, is convenient for clear up it.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses guarantee the stability of power amplifier, simplified the clearance that corresponds radiator fan simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of an anti-distortion rear stage power amplifier provided in the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is an enlarged view of a portion a of fig. 1.

In the figure: the device comprises a machine body 1, a sound outlet 2, a power socket 3, a signal hole 4, a sliding rod 5, a connecting rod 6, a heat radiation fan 7, a first spring 8, a limiting block 9, a limiting rod 10, supporting legs 11, a suction cup 12, a gas one-way valve 13, a gas pipe 14, a shell 15, a gas bag 16, a first pressure plate 17, a pressure rod 18, a second pressure plate 19, a second spring 20 and a pull rod 21.

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. 1-3, an anti-distortion rear-stage power amplifier comprises a machine body 1, two sound holes 2 are symmetrically formed in the front side of the machine body 1, a power socket 3 and a plurality of signal holes 4 are fixedly arranged between the two sound holes 2, a first through hole is formed in the bottom of the machine body 1, two sliding grooves are symmetrically formed in the side wall of the first through hole, sliding rods 5 are respectively arranged in the two sliding grooves in a sliding mode, a connecting rod 6 is fixedly connected to the upper ends of the two sliding rods 5, a cooling fan 7 is fixedly connected to the lower side of the rod wall of the connecting rod 6, limiting mechanisms are fixedly arranged in the left side wall and the right side wall of the lower end of the first through hole, and mounting mechanisms are fixedly.

Stop gear includes first spring 8, the cavity has been seted up to stopper 9 and 10 organism 1's inside symmetry of gag lever post, first spring 8 sets up in the inside left side wall fixed connection of just left end and cavity of cavity, the right-hand member of first spring 8 and stopper 9 fixed connection, stopper 9's right side wall and gag lever post 10 fixed connection, the right-hand member of gag lever post 10 runs through the cavity and outwards extends and cup joints with organism 1 activity, spacing hole has been seted up to a side surface that two slide bar 5's lower extreme deviate from, gag lever post 10 and the spacing hole phase-match that corresponds, stopper 9's downside fixedly connected with pull rod 21, the bar mouth has all been seted up to the below of two cavities, pull rod 21 respectively with the bar mouth phase-match that corresponds, be convenient for stimulate stopper 9 and gag lever post 10 through pull rod 21.

The mounting mechanism comprises a supporting leg 11, a groove is formed in the supporting leg 11, a sucker 12 is fixedly arranged in the groove, a second through hole is formed in the sucker 12, a gas check valve 13 is fixedly arranged at the upper end in the sucker 12, a plurality of gas outlet holes are symmetrically formed in the supporting leg 11, each gas outlet hole is communicated with the groove, so that gas in the supporting leg 11 and the sucker 12 can be discharged conveniently, a gas pipe 14 is fixedly connected to the right side wall of the upper end of the sucker 12, a shell 15 is fixedly arranged on the right side wall of the supporting leg 11, the right end of the gas pipe penetrates through the shell 15 and extends into the shell, an airbag 16 is fixedly connected to the right side of the airbag 16, a first pressing plate 17 is fixedly connected to the right side of the first pressing plate 17, a second pressing plate 19 is fixedly connected to the right end of the pressing plate 18, the right end of the pressing plate 18, first spring 8 and second spring 20 all adopt stainless steel material to make, avoid rustting after long-time the use, and both ends set up with casing 15 and second clamp plate 19 respectively about second spring 20.

In the utility model, when in use, the machine body 1 is placed on the desktop, the machine body 1 discharges the gas in the sucker 12 through the second through hole and the gas one-way valve 13 by the self-quality, and discharges the gas to the outside of the supporting leg 11 through the gas outlet, so that the sucker 12 can be tightly attached to the desktop, the stability of the machine body 1 is ensured, when the position of the machine body 1 needs to be changed, the second pressing plate 19 is pressed, the second pressing plate 19 pushes the pressing rod 18 to extrude the first pressing plate 17, the first pressing plate 17 extrudes the air bag 16, the air bag 16 pushes the gas in the machine body to the inside of the sucker 12 through the gas pipe 14, so that the sucker 12 is separated from the desktop, the position of the machine body 1 is convenient to be changed, after long-time use, if the cooling fan 7 needs to be cleaned, the two pulling rods 21 are pushed simultaneously, the two pulling rods 21 respectively drive the corresponding limiting blocks 9 to move, the limiting blocks 9 drive the, thereby the limiting function of the limiting mechanism is relieved, and the heat radiation fan 7 is taken out and cleaned through the two slide bars 5.

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. The utility model provides an anti-distortion rear-stage power amplifier, includes organism (1), its characterized in that, two phonate holes (2), two have been seted up to the front side symmetry of organism (1) fixed supply socket (3) and a plurality of signal hole (4) of being equipped with between phonate hole (2), first through-hole has been seted up to the bottom of organism (1), two spouts, two have been seted up to the lateral wall symmetry of first through-hole the inside of spout slides respectively and is equipped with slide bar (5), two the common fixedly connected with connecting rod (6) in upper end of slide bar (5), the pole wall downside fixedly connected with radiator fan (7) of connecting rod (6), the inside stop gear that all fixes of lateral wall about the lower extreme of first through-hole, the fixed installation mechanism that is equipped with of lower surface bilateral symmetry of organism (1).

2. The anti-distortion rear-stage power amplifier according to claim 1, wherein the limiting mechanism comprises a first spring (8), a limiting block (9) and a limiting rod (10), the inside of the machine body (1) is symmetrically provided with a cavity, the first spring (8) is arranged inside the cavity, the left end of the first spring is fixedly connected with the left side wall of the cavity, the right end of the first spring (8) is fixedly connected with the limiting block (9), the right side wall of the limiting block (9) is fixedly connected with the limiting rod (10), the right end of the limiting rod (10) penetrates through the cavity, extends outwards and is movably sleeved with the machine body (1), a limiting hole is formed in one side surface of the two opposite lower ends of the sliding rods (5), and the limiting rod (10) is matched with the corresponding limiting hole.

3. The anti-distortion rear-stage power amplifier according to claim 1, wherein the mounting mechanism comprises a supporting leg (11), a groove is formed in the supporting leg (11), a suction cup (12) is fixedly arranged in the groove, a second through hole is formed in the suction cup (12), a gas check valve (13) is fixedly arranged at the upper end of the inner portion of the suction cup (12), a gas pipe (14) is fixedly connected to the right side wall of the upper end of the suction cup (12), a housing (15) is fixedly arranged on the right side wall of the supporting leg (11), the right end of the gas pipe penetrates through the housing (15) and extends into the inner portion of the housing and is fixedly connected with a gas bag (16), a first pressing plate (17) is fixedly connected to the right side of the gas bag (16), a pressing rod (18) is fixedly connected to the right side of the first pressing plate (17), the right end of the pressing rod (18) penetrates through the housing (15) and extends outwards and, and the wall of the pressure lever (18) is movably sleeved with a second spring (20), and the left end and the right end of the second spring (20) are respectively abutted against the shell (15) and the second pressure plate (19).

4. An anti-distortion rear-stage power amplifier as claimed in claim 2, wherein a pull rod (21) is fixedly connected to a lower side of the limiting block (9), a strip-shaped opening is opened on each of lower sides of the two cavities, and the pull rods (21) are respectively matched with the corresponding strip-shaped openings.

5. An anti-distortion rear-stage power amplifier as claimed in claim 3, wherein the supporting legs (11) are symmetrically provided with a plurality of air outlets, and each air outlet is communicated with the groove.

6. An anti-distortion rear stage power amplifier as claimed in claim 2, wherein the first spring (8) and the second spring (20) are made of stainless steel material.