CN219019303U

CN219019303U - Power amplifier

Info

Publication number: CN219019303U
Application number: CN202223013545.5U
Authority: CN
Inventors: 邹杨; 刘卓; 佟立阁
Original assignee: Beijing Yuansheng Technology Co ltd
Current assignee: Beijing Yuansheng Technology Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-05-12
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a power amplifier, which comprises a shell, a connecting seat, a positioning plate and a locking component, wherein a mounting cavity is formed in the shell, and an active amplifier body is arranged in the mounting cavity; the connecting seat is arranged on two outer side walls of the shell, the positioning plate is provided with a first end and a second end which are connected, the locking assembly comprises a locking piece, the first end is pushed to drive the second end to move in the cavity and press the locking piece, so that the periphery of the locking piece can be movably clamped to the second end, and the locking piece stretches into and is fixedly abutted to the outer side of the power amplifier body to lock the power amplifier body, or the locking piece stretches out to release the power amplifier body. According to the technical scheme, the power amplifier is stably arranged in the shell through the locking component, so that the power amplifier is prevented from shaking and meanwhile, the problem that a large number of screws are used to cause complex disassembly and assembly is avoided.

Description

Power amplifier

Technical Field

The utility model relates to the technical field of power amplifiers, in particular to a power amplifier.

Background

A power amplifier is simply referred to as a "power amplifier," which refers to an amplifier that produces maximum power output to drive a load (e.g., a speaker) at a given distortion rate.

When the existing power amplifier is installed, the power amplifier is fixedly installed on a placed object through a large number of bolts, so that the disassembling and installing process is very complicated and inconvenient, a large amount of time is required to be consumed, the maintenance efficiency of the power amplifier is reduced, and the maintenance work becomes more troublesome.

Disclosure of Invention

The utility model mainly aims to provide a power amplifier, which is stably arranged in a shell through a locking component, so that the power amplifier is prevented from shaking, and meanwhile, the power amplifier is prevented from being complicated to disassemble and assemble due to the fact that a large number of screws are used, and the power amplifier is simple to operate and quick to disassemble.

To achieve the above object, the present utility model provides a power amplifier, including:

the power amplifier comprises a shell, wherein a mounting cavity is formed in the shell, and an active amplifier body is mounted in the mounting cavity;

the connecting seats are arranged on two outer side walls of the shell and are provided with cavities and avoidance ports communicated with the cavities;

the positioning plate is provided with a first end and a second end which are connected, the first end penetrates through the avoidance port, and the second end can be movably connected in the cavity by pushing the first end;

the locking component comprises a locking piece, one end of the locking piece penetrates through the connecting seat and movably abuts against the outer peripheral side of the power amplifier body through the shell;

the first end is pushed to drive the second end to move in the cavity and press the locking piece, so that the peripheral side of the locking piece can be movably clamped at the second end, and the locking piece stretches into and is fixedly abutted to the outer side of the power amplifier body to lock the power amplifier body, or the locking piece stretches out to loosen the power amplifier body.

In an alternative embodiment, two through holes are formed in two side walls of the connecting seat, and the through holes are communicated with the cavity;

the locking piece comprises a pressing end and an extending end which are sequentially connected, wherein the pressing end and the extending end are respectively penetrated in the cavity and respectively penetrated out of the two through holes, and the pressing end is pressed to enable the extending end to movably penetrate through one of the through holes;

the locking assembly further comprises a first elastic piece, the first elastic piece is sleeved on the periphery side of the extending end, which is located in the cavity, and the pressing end is loosened to enable the extending end to retract.

In an alternative embodiment, the locking member further includes a plunger, and the plunger is mounted on a peripheral side of the extension end and is disposed on one side of the first elastic member;

the second end is provided with a containing groove with an opening, a second elastic piece is fixedly arranged at one side of the second end, which is close to the first end, the other end of the second elastic piece is fixed on the connecting seat to push the positioning plate, the second elastic piece stretches, so that the inserting rod can be movably clamped in the containing groove, the positioning plate is loosened, and the second elastic piece rebounds to enable the inserting rod to be locked in the containing groove.

In an alternative embodiment, the second end is further provided with a first column, the second end is provided with a long chute near one side of the first column, the inner side wall of the cavity is provided with a second column, the second column passes through the long chute, one end of the second elastic element is sleeved on the first column, the other end of the second elastic element is sleeved on the second column, and when the first end is pushed, the second end slides in the long chute.

In an alternative embodiment, the opening edge of the accommodating groove is convexly provided with a protruding block, and the outer side wall of the protruding block is provided with a guiding inclined plane, so that the inserted link is clamped into the accommodating groove under the guidance of the guiding inclined plane.

In an alternative embodiment, the power amplifier further includes a buffer assembly, the buffer assembly is disposed on two other outer sidewalls of the housing, and the buffer assembly is provided with a plurality of buffer assemblies, and the plurality of buffer assemblies are arranged on two other outer sidewalls of the housing at intervals.

In an alternative embodiment, the buffering component comprises a buffering column and a buffering piece, the buffering piece is movably sleeved at one end of the buffering column, the buffering column is fixed at one end far away from the buffering piece to the outer side wall of the shell, a third elastic piece is sleeved on the outer peripheral surface of the buffering column, and when the buffering piece is stressed, the buffering piece is compressed to the third elastic piece, so that the buffering column acts on the outer side wall of the shell.

In an alternative embodiment, the buffer member is provided with a buffer sucker at an end remote from the buffer post.

The power amplifier comprises a shell, a connecting seat, a positioning plate and a locking component, wherein a mounting cavity is formed in the shell, and an active amplifier body is arranged in the mounting cavity; the connecting seat is arranged on two outer side walls of the shell and is provided with a cavity and an avoidance port communicated with the cavity; the positioning plate is provided with a first end and a second end which are connected, the first end penetrates through the avoidance port, and the second end can be movably connected in the cavity by pushing the first end; the locking component comprises a locking piece, one end of the locking piece is penetrated through the connecting seat and movably abutted to the outer peripheral side of the power amplifier body through the shell; pushing the first end to drive the second end to move in the cavity and pressing the locking piece, so that the peripheral side of the locking piece can be movably clamped at the second end, and the locking piece stretches into and is fixedly abutted to the outer side of the power amplifier body to lock the power amplifier body, or the locking piece stretches out to loosen the power amplifier body. The power amplifier is stably installed in the shell through the locking component, and when the power amplifier is prevented from shaking, the power amplifier is prevented from being assembled and disassembled complex due to the fact that a large number of screws are used, so that the power amplifier is simple to operate and is rapid to disassemble.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of a power amplifier according to the present utility model;

FIG. 2 is an assembly schematic of the power amplifier of FIG. 1 with a plunger engaged in a receptacle;

FIG. 3 is an assembled schematic view of the power amplifier of FIG. 1 without the plunger being snapped into the receptacle;

FIG. 4 is a schematic diagram of a positioning plate in the power amplifier shown in FIG. 3;

FIG. 5 is a schematic diagram of a latch mechanism of the power amplifier of FIG. 3;

fig. 6 is a schematic diagram of a buffer assembly in the power amplifier shown in fig. 1.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a power amplifier, which is stably arranged in a shell through a locking component, so that the power amplifier is prevented from shaking, and meanwhile, complex disassembly and assembly caused by a large number of screws are avoided, and the power amplifier is simple to operate and quick to disassemble.

Referring to fig. 1 to 6, a specific structure of a power amplifier 10 according to the present utility model will be described in the following embodiments, in which the power amplifier 10 includes a housing 1, a connection base 2, a positioning plate 3 and a locking assembly 4, a mounting cavity is formed in the housing 1, and an active amplifier body 11 is mounted in the mounting cavity; the connecting seat 2 is arranged on two outer side walls of the shell 1, and the connecting seat 2 is provided with a cavity 21 and an avoidance port 22 communicated with the cavity 21; the positioning plate 3 is provided with a first end 31 and a second end 32 which are connected, the first end 31 penetrates through the avoidance port 22, and the second end 32 can be movably connected in the cavity 21 by pushing the first end 31; the locking component 4 comprises a locking piece 41, one end of the locking piece 41 penetrates through the connecting seat 2 and movably abuts against the outer periphery side of the power amplifier body 11 through the shell 1; pushing the first end 31 to drive the second end 32 to move in the cavity 21 and pressing the locking member 41, so that the peripheral side of the locking member 41 can be movably clamped to the second end 32, and the locking member 41 extends into and is fixedly abutted to the outer side of the power amplifier body 11 to lock the power amplifier body 11, or the locking member 41 extends out to release the power amplifier body 11. The power amplifier 10 is stably installed in the shell 1 through the locking component 4, so that the power amplifier 10 is prevented from shaking, meanwhile, the power amplifier 10 is prevented from being assembled and disassembled complex due to the fact that a large number of screws are used, the operation is simple, and the disassembly is rapid.

It is known that the power amplifier 10 is simply referred to as a "power amplifier," which is an amplifier that can generate maximum power output to drive a load (e.g., a speaker) under a given distortion rate. In order to ensure stability of the power amplifier 10 during use, when the existing power amplifier 10 is installed, it is generally adopted to fixedly install a separate installation bracket on a device to be installed, and then fixedly install the power amplifier 10 on the installation bracket by means of bolt locking, so as to ensure stability and safety of the power amplifier 10 during use.

In this embodiment, an installation cavity for installing the power amplifier body 11 is formed in the housing 1, and the connecting seats 2 are installed on two outer side walls of the housing 1, it can be understood that the connecting seats 2 can be installed on the housing 1 by welding or other manners, and a positioning plate 3 is disposed in each connecting seat 2, the positioning plate 3 can be movably penetrated in the connecting seat 2, and meanwhile, a locking component 4 is further disposed, the locking component 4 comprises a locking member 41, and the positioning plate 3 is disposed in the connecting seat 2, and meanwhile, the first end 31 of the positioning plate 3 is pushed, so that the locking member 41 is clamped at the second end 32, and is further fixedly abutted to the outer side of the power amplifier body 11, thereby locking the power amplifier body 11. Of course also through pushing the first end 31 of locating plate 3 to make retaining member 41 no longer the joint on second end 32, and then can make retaining member 41 stretch out in casing 1, with loosen amplifier body 11, through the cooperation between retaining member 41 and the locating piece, can make amplifier body 11 stable the installation in casing 1 to be difficult for taking place to rock, simultaneously, still avoid using a large amount of screws to lead to the dismouting complicated, not only easy operation can make the dismantlement between casing 1 and the amplifier body 11 swift moreover.

Specifically, the connecting seats 2 are respectively installed on two side walls of the casing 1, and each connecting seat 2 is internally provided with a positioning plate 3, meanwhile, the positioning plate 3 is provided with a first end 31 and a second end 32 which are connected, the first end 31 penetrates through the avoidance port 22 and drives the second end 32 to movably penetrate through the cavity 21 by pushing the first end 31, therefore, when the positioning plate 3 is pushed, the locking piece 41 can be locked or separated from the second end 32, when the locking piece 41 is locked on the second end 32, the power amplifier body 11 can be fixed in the casing 1, when the locking piece 41 is not locked on the second end 32, the power amplifier body 11 is further loosened, and the power amplifier body 11 is taken out from the casing 1.

Referring to fig. 2 and 5, two through holes are formed in two side walls of the connection seat 2, the through holes are communicated with the cavity 21, the locking member 41 includes a pressing end 411 and an extending end 412 which are sequentially connected, the pressing end 411 and the extending end 412 are respectively arranged in the cavity 21 in a penetrating manner, the pressing end 411 is pressed, the extending end 412 movably penetrates through one of the through holes, the locking assembly 4 further includes a first elastic member 43, the first elastic member 43 is sleeved on the periphery of the extending end 412 in the cavity 21, and the pressing end 411 is released, so that the extending end 412 is retracted, the locking member 41 can be automatically retracted through the first elastic member 43, and the use is convenient.

Specifically, two through holes are formed in two side walls of the connection seat 2, the locking member 41 includes a pressing end 411 and an extending end 412, the pressing end 411 and the extending end 412 are respectively arranged in the cavity 21 in a penetrating manner and respectively penetrate through the two through holes, the first elastic member 43 is sleeved on the peripheral edge of the extending end 412, and the extending end 412 can extend out of the cavity 21 by pressing the pressing end 411 and is connected to the second end 32 in a clamping manner so as to be abutted to the shell 1, and similarly, when the locking member 41 is not connected to the second end 32 in a clamping manner, the locking member 41 is bounced under the driving of the first elastic member 43, so that the operation is simple and the use is convenient. It is understood that the first elastic member 43 is an elastic member such as a spring. The through hole is a round hole.

Referring to fig. 2, 4 and 5, the locking member 41 further includes a plug rod 42, where the plug rod 42 is mounted on a peripheral side of the extension end 412 and is disposed on one side of the first elastic member 43; the second end 32 is provided with a containing groove 321 with an opening, the second end 32 is fixedly provided with a second elastic piece 324 at one side close to the first end 31, the other end of the second elastic piece 324 is fixed on the connecting seat 2, the positioning plate 3 is pushed, the second elastic piece 324 stretches, the inserting rod 42 can be movably clamped in the containing groove 321, the positioning plate 3 is loosened, the second elastic piece 324 rebounds, the inserting rod 42 can be locked in the containing groove 321, and the locking piece 41 can be stably abutted on the power amplifier body 11.

In this embodiment, the locking member 41 further includes a plug rod 42, and the plug rod 42 is fixedly mounted on the peripheral side of the extension end 412, and the plug rod 42 is disposed on one side of the first elastic member 43, meanwhile, a receiving groove 321 is formed on the first end 31, the receiving groove 321 is used for receiving the plug rod 42, when the locking member 41 is pressed, and by pushing the positioning plate 3, the plug rod 42 can be smoothly clamped into the receiving groove 321, and under the action of the second elastic member 324, the plug rod 42 can be stably clamped into the receiving groove 321, so that the locking member 41 can be stably abutted against the outer side of the power amplifier body 11, thereby locking the power amplifier body 11 on the housing 1. Similarly, when the power amplifier body 11 needs to be detached from the housing 1, the positioning plate 3 is pushed so that the inserting rod 42 is separated from the accommodating groove 321, meanwhile, the extending end 412 is not abutted on the peripheral wall of the power amplifier body 11 under the driving of the first elastic piece 43, and then the power amplifier body 11 can be detached from the housing 1, so that the power amplifier body 11 can be conveniently and rapidly installed and detached, and when the power amplifier is used, the damaged power amplifier body 11 can be conveniently and rapidly replaced, so that the effects of saving time and labor are achieved, and the complex disassembly and the like caused by using a large number of screws are avoided.

Specifically, in order to enable the positioning plate 3 to stably lock the insert rod 42, the second elastic member 324 is disposed on the positioning plate 3, and the other end of the second elastic member 324 is fixed on the connecting seat 2, it can be understood that the second elastic member 324 may be an elastic member such as a spring, that is, pushing the positioning plate 3, the second elastic member 324 is stretched, when the insert rod 42 can be smoothly clamped into the accommodating groove 321, the positioning plate 3 is released again, the insert rod 42 can be locked in the accommodating groove 321 after the rebound of the second elastic member 324, when the insert rod 42 needs to be taken out from the accommodating groove 321, the positioning plate 3 is pushed again, at this time, the insert rod 42 is not abutted in the accommodating groove 321 any more, and the locking member 41 is driven by the first elastic member 43 to rebound, thereby realizing the separation between the insert rod 42 and the accommodating groove 321.

Further, in order to further improve the locking stability of the locking member 41 to the amplifier body, a plurality of receiving grooves 321 may be formed in the positioning plate 3, and a plurality of locking members 41 may be provided, where the plurality of locking members 41 are sequentially installed in the connecting seat 2, and each insert rod 42 of each locking member 41 may be sequentially installed in each receiving groove 321, so that the plurality of locking members 41 may simultaneously act on the outer side of the amplifier body, and thus the amplifier body may be stably installed on the housing 1.

With reference to fig. 2, 4 and 5, the first end 31 is further provided with a first post 325, a long chute 326 is formed on one side of the first end 31 near the first post 325, the second post 211 is mounted on the inner side wall of the cavity 21, the second post 211 passes through the long chute 326, one end of the second elastic member 324 is sleeved on the first post 325, the other end of the second elastic member 324 is sleeved on the second post 211, when the first end 31 is pushed, the second end 32 slides in the long chute 326, and by providing the first post 325 and the second post 211, the second elastic member 324 can be stably connected to the positioning plate 3 and the connecting seat 2, and the original position of the positioning plate 3 can be ensured to be recovered by the second elastic member 324 in time.

In this embodiment, one end of the second elastic member 324 is fixed on the first post 325, the other end of the second elastic member 324 is fixed on the second post 211, and a long chute 326 is formed on the first end 31, the first post 325 moves along with the movement of the positioning plate 3 during the movement of the positioning plate 3, and the second post 211 is mounted on the connecting seat 2, and the second post 211 penetrates through the long chute 326, so when the positioning plate 3 is pushed, the positioning plate 3 slides along the length direction of the long chute 326 to drive the first post 325 to move, at this time, the second elastic member 324 is elongated, once the positioning plate 3 is released, the positioning plate 3 is restored to the original position under the action of the second elastic member 324, and further the movement of the positioning plate 3 can be realized, and the operation is simple and convenient.

The hooks may be provided at both ends of the second elastic member 324, so that the second elastic member 324 may be fixed to the first and

second posts

325 and 211, respectively, by the hooks. Of course, other fixing methods are also possible, and the present application is not limited herein.

Referring to fig. 4, a protrusion 322 is protruding from an opening edge of the accommodating groove 321, and a guiding slope 323 is formed on an outer side wall of the protrusion 322, so that the insert rod 42 is clamped into the accommodating groove 321 under the guiding of the guiding slope 323, and by providing the protrusion 322, the insert rod 42 can be stably clamped into the accommodating groove 321, and the insert rod 42 can smoothly enter into the accommodating groove 321 under the guiding of the guiding slope 323.

In this embodiment, the opening edge of the accommodating groove 321 is convexly provided with the protruding block 322, and the protruding block 322 has a certain length and has a certain distance from the other groove side wall of the accommodating groove 321, so that the insert rod 42 can smoothly enter the accommodating groove 321 and abut against one side of the protruding block 322, and when the locking member 41 is not clamped in the accommodating groove 321, the locking member 41 is under the action of the first elastic member 43, and the insert rod 42 is arranged above the guide inclined plane 323, so that when the insert rod 42 needs to be clamped in the accommodating groove, the locking member 41 can be directly pressed, so that the locking member 41 can smoothly enter the accommodating groove 321 under the guide of the guide inclined plane 323, and the operation is simple and convenient.

Referring to fig. 1, the power amplifier 10 further includes a buffer assembly 5, where the buffer assembly 5 is disposed on two other outer sidewalls of the housing 1, and the buffer assembly 5 is disposed in plurality, and the buffer assemblies 5 are arranged on two other outer sidewalls of the housing 1 at intervals, so that damage to the power amplifier 10 caused by collision or drop can be effectively reduced by disposing the buffer assembly 5, stability and safety of the power amplifier 10 in use are further ensured, and service life of the power amplifier 10 is prolonged.

Referring to fig. 6, the buffer assembly 5 includes a buffer post 51 and a buffer member 52, the buffer member 52 is movably sleeved at one end of the buffer post 51, the buffer post 51 is fixed at an outer side wall of the housing 1 at an end far away from the buffer member 52, a third elastic member 53 is sleeved on an outer circumferential surface of the buffer post 51, when the buffer member 52 is stressed, the buffer member 52 is compressed on the third elastic member 53, so that the buffer post 51 acts on the outer side wall of the housing 1, and the buffer force received by the buffer member 52 is reduced through the buffer of the buffer post 51 and the buffer member 52, so that the impact force is prevented from directly acting on the housing 1, and the power amplifier body 11 is damaged.

With continued reference to the drawings, the buffer member 52 has a buffer chuck 54 at an end far away from the buffer post 51, and the buffer chuck 54 is provided to effectively digest impact force, thereby effectively protecting the power amplifier body 11.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A power amplifier, the power amplifier comprising:

2. The power amplifier of claim 1, wherein two through holes are formed in two side walls of the connecting seat, and the through holes are communicated with the cavity;

3. The power amplifier of claim 2, wherein the locking member further comprises a plunger mounted on a peripheral side of the extension end and provided on one side of the first elastic member;

4. The power amplifier of claim 3 wherein the second end is further provided with a first post, the second end is provided with a long chute on a side near the first post, the inner side wall of the cavity is provided with a second post, the second post passes through the long chute, one end of the second elastic member is sleeved on the first post, the other end of the second elastic member is sleeved on the second post, and when the first end is pushed, the second end slides in the long chute.

5. The power amplifier of claim 4, wherein the opening edge of the receiving groove is convexly provided with a protruding block, and the outer side wall of the protruding block is provided with a guiding inclined plane, so that the inserting rod is blocked into the receiving groove under the guidance of the guiding inclined plane.

6. The power amplifier of claim 1, further comprising a buffer assembly disposed on the other two outer sidewalls of the housing, wherein the buffer assembly is provided with a plurality of buffer assemblies, and the plurality of buffer assemblies are arranged on the other two outer sidewalls of the housing at intervals.

7. The power amplifier of claim 6, wherein the buffer assembly comprises a buffer column and a buffer member, the buffer member is movably sleeved at one end of the buffer column, the buffer column is fixed at one end far away from the buffer member on the outer side wall of the housing, a third elastic member is sleeved on the outer peripheral surface of the buffer column, and when the buffer member is stressed, the buffer member is compressed on the third elastic member, so that the buffer column acts on the outer side wall of the housing.

8. The power amplifier of claim 7, wherein the buffer member is provided with a buffer suction cup at an end remote from the buffer post.