CN213880143U

CN213880143U - Power amplifier box body structure

Info

Publication number: CN213880143U
Application number: CN202023072291.5U
Authority: CN
Inventors: 杨永彪
Original assignee: Foshan Sofei Electronics Co ltd
Current assignee: Foshan Sofei Electronics Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-08-03
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a power amplifier box body structure, which comprises a framework and a shell; the shell comprises a front panel, a back panel, an upper panel, a lower panel, a left panel and a right panel; the framework comprises a front rectangular frame, a rear rectangular frame and four connecting rods; the front rectangular frame comprises four front main edge strips and four front auxiliary edge strips; the rear rectangular frame comprises four rear main edge strips and four rear auxiliary edge strips; the cross section of the connecting rod is of an L-shaped structure, the connecting rod comprises two connecting edge strips which are perpendicular to each other, fastening hooks are arranged on the inner sides of the connecting edge strips, and fastening grooves matched with the fastening hooks are formed in the front auxiliary edge strip and the rear auxiliary edge strip; the front panel is fixedly connected with the front rectangular frame, and a pair of handles fixedly connected with the front rectangular frame are arranged on the surface of the front panel.

Description

Power amplifier box body structure

Technical Field

The utility model relates to a power amplifier technical field especially relates to a power amplifier box body structure.

Background

The power amplifier is called power amplifier for short, and is one of the most basic devices in sound system, and its task is to amplify weak electric signal from signal source to drive loudspeaker to produce sound. The power amplifier is generally in a box structure, and the box structure of the existing power amplifier is generally only composed of a shell, and the structural stability of the existing power amplifier is poor due to the lack of a frame structure. In addition, the existing part of the front panel of the power amplifier is provided with a handle, however, since the handle is directly and fixedly connected with the front panel, when the handle is pulled, a pulling force is applied to the front panel, which easily causes the deformation or loosening of the front panel.

Disclosure of Invention

An object of the utility model is to overcome prior art not enough, provide one kind and have skeleton texture, the reliable and stable power amplifier box body structure of overall structure. In order to realize the above purpose, the utility model discloses the technical scheme who adopts is:

a power amplifier box body structure comprises a framework and a shell; the shell comprises a front panel, a back panel, an upper panel, a lower panel, a left panel and a right panel; the framework comprises a front rectangular frame, a rear rectangular frame and four connecting rods lapped between the front rectangular frame and the rear rectangular frame; the front rectangular frame comprises four front main edge strips which are parallel to the front panel and form a rectangular surrounding structure, and four front auxiliary edge strips which are respectively formed on the back of the front main edge strips and are respectively parallel to the upper panel, the lower panel, the left panel and the right panel; the rear rectangular frame comprises four rear main edge strips which are parallel to the back panel and form a rectangular surrounding structure, and four rear auxiliary edge strips which are respectively formed on the back of the rear main edge strips and are respectively parallel to the upper panel, the lower panel, the left panel and the right panel; the cross section of the connecting rod is of an L-shaped structure, the connecting rod comprises two connecting edge strips which are perpendicular to each other, fastening hooks are arranged on the inner sides of the connecting edge strips, and fastening grooves matched with the fastening hooks are formed in the front auxiliary edge strip and the rear auxiliary edge strip; the front panel is fixedly connected with the front rectangular frame, and a pair of handles fixedly connected with the front rectangular frame are arranged on the surface of the front panel.

The utility model has the advantages that: the utility model discloses a power amplifier box body structure has the skeleton that preceding rectangular frame, back rectangular frame and connecting rod constitute, utilizes the skeleton can improve the holistic structural stability of box body, even the shell receives the collision or extrudees the deformation back, and the overall structure stability of box body still is not influenced. Simultaneously because accessible lock joint is enough and the lock joint groove carries out the lock joint between preceding vice strake, the vice strake in back and the connection strake, utilize above-mentioned structure can realize the erection joint in advance of skeleton, rectangular frame, back rectangular frame and connecting rod fixed connection before will through modes such as welding at last again reduce the installation degree of difficulty. In addition, because handle and preceding rectangular frame fixed connection, compare with the structure that the handle is direct to be connected with the front panel among the prior art, its structural stability is stronger, causes the front panel to warp when preventing that the handle from dragging.

Furthermore, the front main edge strip, the front auxiliary edge strip, the back main edge strip and the back auxiliary edge strip are all provided with connecting through holes which are connected with or riveted with the shell through bolts. And various installation modes such as bolt connection or riveting can be realized by using the reserved connecting through holes.

Further, the front rectangular frame and the rear rectangular frame are integrally formed. The integrally formed structure is more stable, can be manufactured in a stamping and bending mode, and is easier to produce.

Further, the upper panel, the left panel and the right panel are integrally formed. The integrally formed structure is more stable, can be manufactured in a stamping and bending mode, and is easier to produce.

Drawings

Fig. 1 is an assembly view of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a schematic perspective view of the framework of the present invention.

Fig. 4 is a schematic perspective view of the front rectangular frame according to the present invention.

Fig. 5 is a schematic perspective view of the rear rectangular frame according to the present invention.

Fig. 6 is a schematic perspective view of the connecting rod of the present invention.

Fig. 7 is a schematic view of the connection structure between the connection rod and the front/rear rectangular frames of the present invention.

Fig. 8 is a schematic view of the connection structure of the handle, the front plate and the front rectangular frame according to the present invention.

The frame comprises a frame 1, a front rectangular frame 11, a front main edge strip 111, a front auxiliary edge strip 112, a rear rectangular frame 12, a rear main edge strip 121, a rear auxiliary edge strip 122, a connecting rod 13, a connecting edge strip 131, a fastening groove 14, a fastening hook 15, a connecting through hole 16, a shell 2, a front panel 21, a back panel 22, an upper panel 23, a lower panel 24, a left panel 25, a right panel 26 and a handle 3.

Detailed Description

The claimed technical solution of the present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 8, a power amplifier box structure in this embodiment includes a framework 1 and a housing 2.

In the present embodiment, the housing 2 includes a front panel 21, a back panel 22, an upper panel 23, a lower panel 24, a left panel 25, and a right panel 26. In the present embodiment, the upper panel 23, the left panel 25 and the right panel 26 are integrally formed, and can be formed by bending one panel, which is stable in structure and requires few manufacturing processes. And the front panel 21, the back panel 22 and the lower panel 24 are independently mounted outside the frame 1.

In the present embodiment, the framework 1 includes a front rectangular frame 11, a rear rectangular frame 12, and four connecting rods 13 bridging between the front rectangular frame 11 and the rear rectangular frame 12.

The front rectangular frame 11 includes four front main edge strips 111 parallel to the front panel 21 and forming a rectangular surrounding structure, and four front sub-edge strips 112 respectively formed on the back of the front main edge strips 111 and parallel to the upper panel 23, the lower panel 24, the left panel 25 and the right panel 26. In the present embodiment, the front rectangular frame 11 is integrally formed, wherein the front sub-edge 112 is formed by stamping and bending, and the formed front sub-edge 112 and the front main edge 111 are perpendicular to each other so that the cross sections of the two are in an L-shaped structure. In addition, in the present embodiment, the front main edge 111 and the front sub edge 112 are both provided with the connection through holes 16 that are bolted or riveted with the outer case 2.

The rear rectangular frame 12 includes four rear main strips 121 parallel to the back panel 22 and forming a rectangular enclosure structure, and four rear sub-strips 122 respectively formed on the rear side of the rear main strips 121 and parallel to the upper panel 23, the lower panel 24, the left panel 25 and the right panel 26. In the present embodiment, the rear rectangular frame 12 is integrally formed, wherein the rear minor edge strip 122 is formed by stamping and bending, and the formed rear minor edge strip 122 and the rear major edge strip 121 are perpendicular to each other so that the cross sections of the two are in an L-shaped structure. In addition, in the embodiment, the rear main edge 121 and the rear front auxiliary edge 112 are both provided with connecting through holes 16 for bolting or riveting with the shell 2.

Connecting rod 13's cross section personally submits L type structure, connecting rod 13 includes two mutually perpendicular's connection strake 131, it all is provided with fastening hook 15 to connect strake 131 inboard, simultaneously preceding vice strake 112 and the vice strake 122 in back all are formed with the cooperation fastening hook 15's fastening groove 14.

In this embodiment, two ends of the four connecting rods 13 are respectively overlapped with four corners of the front rectangular frame 11 and the rear rectangular frame 12, the framework 1 is matched and buckled with the buckling hook 15 and the buckling groove 14 to complete the pre-installation connection among the front rectangular frame 11, the rear rectangular frame 12 and the connecting rods 13 in the installation process, so that the connection structure of the framework 1 basically keeps stable, and then the front rectangular frame 11, the rear rectangular frame 12 and the connecting rods 13 are fixedly connected in a welding, bonding or bolt connection mode, so as to further improve the stability of the framework 1 structure.

In the present embodiment, the front panel 21 is fixedly connected to the front rectangular frame 11, and a pair of handles 3 fixedly connected to the front rectangular frame 11 are disposed on the surface of the front panel 21. When the installation, can install on preceding rectangular frame 11 positive panel 21 after skeleton 1 accomplishes the assembly earlier, install handle 3 positive panel 21 and utilize the bolt to make handle 3 and preceding rectangular frame 11 fixed connection, because handle 3 and preceding rectangular frame 11 fixed connection, compare with the structure that handle 3 directly is connected with the front panel among the prior art, its structural stability is stronger, causes the front panel to warp when preventing that handle 3 from dragging. And finally, mounting the structures of other shells 2 on the framework 1 to complete the assembly of the box body.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make further changes and modifications to the invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.

Claims

1. A power amplifier box body structure is characterized in that: comprises a framework (1) and a shell (2); the shell (2) comprises a front panel (21), a back panel (22), an upper panel (23), a lower panel (24), a left panel (25) and a right panel (26); the framework (1) comprises a front rectangular frame (11), a rear rectangular frame (12) and four connecting rods (13) lapped between the front rectangular frame (11) and the rear rectangular frame (12); the front rectangular frame (11) comprises four front main edge strips (111) which are parallel to the front panel (21) and form a rectangular surrounding structure, and four front auxiliary edge strips (112) which are respectively formed on the back of the front main edge strips (111) and are respectively parallel to the upper panel (23), the lower panel (24), the left panel (25) and the right panel (26); the rear rectangular frame (12) comprises four rear main edge strips (121) which are parallel to the back panel (22) and form a rectangular surrounding structure, and four rear auxiliary edge strips (122) which are respectively formed on the back of the rear main edge strips (121) and are respectively parallel to the upper panel (23), the lower panel (24), the left panel (25) and the right panel (26); the cross section of the connecting rod (13) is of an L-shaped structure, the connecting rod (13) comprises two connecting edge strips (131) which are perpendicular to each other, fastening hooks (15) are arranged on the inner sides of the connecting edge strips (131), and fastening grooves (14) matched with the fastening hooks (15) are formed in the front auxiliary edge strip (112) and the rear auxiliary edge strip (122); the front panel (21) is fixedly connected with the front rectangular frame (11), and a pair of handles (3) fixedly connected with the front rectangular frame (11) is arranged on the surface of the front panel (21).

2. The power amplifier box body structure of claim 1, wherein: and the front main edge strip (111), the front auxiliary edge strip (112), the back of the back main edge strip (121) and the back auxiliary edge strip (122) are all provided with connecting through holes (16) which are connected with or riveted with the shell (2) through bolts.

3. The power amplifier box body structure of claim 1, wherein: the front rectangular frame (11) and the rear rectangular frame (12) are integrally formed.

4. The power amplifier box body structure of claim 1, wherein: the upper panel (23), the left panel (25) and the right panel (26) are integrally formed.