CN219351856U

CN219351856U - Portable multifunctional preamplifier

Info

Publication number: CN219351856U
Application number: CN202222539437.5U
Authority: CN
Inventors: 佘桂福
Original assignee: Dongsheng Electromagnetic Compatibility Technology Shenzhen Co ltd
Current assignee: Dongsheng Electromagnetic Compatibility Technology Shenzhen Co ltd
Priority date: 2022-09-25
Filing date: 2022-09-25
Publication date: 2023-07-14
Anticipated expiration: 2032-09-25

Abstract

The utility model provides a portable multifunctional preamplifier. The portable multifunctional preamplifier includes: the preamplifier comprises a preamplifier body, wherein a protective shell is arranged outside the preamplifier body, a placement seat is fixedly arranged on the inner wall of the bottom of the protective shell, a pearl cotton pad is fixedly arranged at the top of the placement seat, and the pearl cotton pad is matched with the preamplifier body; the limiting mechanism comprises two guide grooves, two bidirectional screws, two sliding blocks and two limiting plates, wherein the two guide grooves are formed in the inner wall of the bottom of the protective shell, and the bidirectional screws are rotatably mounted on the placement seat. The portable multifunctional preamplifier provided by the utility model has the advantages of being convenient to detach and convenient for subsequent overhaul and maintenance.

Description

Portable multifunctional preamplifier

Technical Field

The utility model belongs to the technical field of preamplifiers, and particularly relates to a portable multifunctional preamplifier.

Background

The pre-amplifier is a circuit or electronic device placed between the source and the amplifier stage, and is designed for receiving weak voltage signal from source, and its function is to amplify the audio (AUX, MIC) signal to the input range which can be received by power amplifier, and is used for controlling frequency characteristic of sound system so as to obtain high-fidelity tone quality, and can modify and beautify sound.

Through retrieving, the patent document with the bulletin number of CN213094410U discloses a portable multifunctional preamplifier, which comprises a preamplifier body, the outside of the preamplifier body is provided with a shell, the front side and the rear side of the shell are through openings, buffer connecting pieces are distributed between the preamplifier body and the shell, the buffer connecting pieces are distributed at four corners of the top end face and four corners of the bottom face of the amplifier body, and supporting convex blocks are arranged at four corners of the bottom face of the shell.

Although the above-mentioned prior art scheme can protect the preamplifier body through the casing mechanism that sets up, makes it can fight the foreign object and smash down, through the handle that sets up for device portable transport, however when the inside components and parts of preamplifier body ageing impaired needs to overhaul, because the spacing of buffer connection spare stops, want to dismantle it from in the casing 1 and take out to overhaul, and the operation is comparatively troublesome consuming time, and it is inconvenient to overhaul more.

Accordingly, there is a need to provide a new portable multifunctional preamplifier that solves the above-mentioned technical problems.

Disclosure of Invention

The utility model solves the technical problem of providing a portable multifunctional preamplifier which is convenient to detach and convenient for subsequent overhaul and maintenance.

In order to solve the above technical problems, the portable multifunctional preamplifier provided by the present utility model includes: the preamplifier comprises a preamplifier body, wherein a protective shell is arranged outside the preamplifier body, a placement seat is fixedly arranged on the inner wall of the bottom of the protective shell, a pearl cotton pad is fixedly arranged at the top of the placement seat, and the pearl cotton pad is matched with the preamplifier body; the limiting mechanism comprises two guide grooves, two bidirectional screws, two sliding blocks and two limiting plates, wherein the two guide grooves are formed in the inner wall of the bottom of the protective shell, the bidirectional screws are rotatably installed on the placement seat, the two sliding blocks are sleeved on the bidirectional screws in a threaded mode, the bottoms of the two sliding blocks extend into the two guide grooves respectively, the two limiting plates are fixedly installed at the tops of the two sliding blocks respectively, and the two limiting plates are attached to the preamplifier body.

As a further scheme of the utility model, two mounting blocks are fixedly arranged at the top of the protective shell, and the same handle is fixedly arranged on the two mounting blocks.

As a further scheme of the utility model, the rear part of the protective shell is provided with a plurality of exhaust ports, the exhaust ports are internally and fixedly provided with cooling fans, the front part of the protective shell is fixedly provided with a plurality of hinges, the hinges are fixedly provided with the same shielding plate, the shielding plate is matched with the protective shell, the shielding plate is provided with an air inlet and a plurality of wire inlet holes, and the air inlet is internally and fixedly provided with a dustproof net.

As a further scheme of the utility model, hanging rings are fixedly arranged on two sides of the protective shell, hooks are arranged on the two hanging rings, the same suspender is fixedly arranged on the two hooks, and shoulder pads are sleeved on the suspender.

As a further scheme of the utility model, the two ends of the bidirectional screw are fixedly provided with the knobs, the tops of the pearl cotton pads are provided with a plurality of grooves, and the grooves are matched with the foot cushion blocks of the preamplifier body.

As a further scheme of the utility model, the bottom ends of the two sliding blocks are embedded with balls, and the two balls are respectively contacted with the bottom inner walls of the two guide grooves.

Compared with the related art, the portable multifunctional preamplifier provided by the utility model has the following beneficial effects:

the utility model provides a portable multifunctional preamplifier:

through the protecting crust that sets up, can shelter from the protection to the preamplifier body, can avoid its collision damage, through the cotton pad of pearl that sets up, can play shockproof effect, through the stop gear who sets up, can be spacing fixed to the preamplifier body, also be convenient for dismantle when the maintenance simultaneously, carry through the handle that sets up, carry and carry, through the radiator fan operation exhaust of setting, be favorable to quick heat dissipation, through the braces of setting, the personnel of being convenient for bear and carry.

Drawings

The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.

FIG. 1 is a schematic diagram of a front cross-sectional structure of a portable multifunctional preamplifier according to the present utility model;

FIG. 2 is an enlarged schematic view of the portion A in FIG. 1;

FIG. 3 is a schematic rear view of the present utility model;

fig. 4 is a schematic diagram of a middle view structure of the present utility model.

In the figure: 1. a preamplifier body; 2. a protective shell; 3. a placement seat; 4. a pearl cotton pad; 5. a guide groove; 6. a bidirectional screw; 7. a slide block; 8. a limiting plate; 9. a mounting block; 10. a grip; 11. a heat radiation fan; 12. a hinge; 13. a shielding plate; 14. hanging rings; 15. a hook; 16. a harness; 17. shoulder pad.

Detailed Description

Referring to fig. 1 to fig. 4 in combination, fig. 1 is a schematic front sectional view of a portable multifunctional preamplifier according to the present utility model; FIG. 2 is an enlarged schematic view of the portion A in FIG. 1; FIG. 3 is a schematic rear view of the present utility model; fig. 4 is a schematic diagram of a middle view structure of the present utility model. The portable multifunctional preamplifier includes: the pre-amplifier comprises a pre-amplifier body 1, wherein a protecting shell 2 is arranged outside the pre-amplifier body 1, a placing seat 3 is fixedly arranged on the inner wall of the bottom of the protecting shell 2, a pearl cotton pad 4 is fixedly arranged at the top of the placing seat 3, and the pearl cotton pad 4 is matched with the pre-amplifier body 1; the limiting mechanism comprises two guide grooves 5, two bidirectional screws 6, two sliding blocks 7 and two limiting plates 8, wherein the two guide grooves 5 are formed in the inner wall of the bottom of the protective shell 2, the bidirectional screws 6 are rotatably installed on the placement seat 3, the two sliding blocks 7 are sleeved on the bidirectional screws 6 in a threaded mode, the bottoms of the sliding blocks 7 extend into the two guide grooves 5 respectively, the two limiting plates 8 are fixedly installed at the tops of the two sliding blocks 7 respectively, the two limiting plates 8 are attached to the preamplifier body 1 respectively, the preamplifier body 1 can be protected through the protective shell 2, collision damage of the preamplifier body 1 can be avoided, the shock-proof effect can be achieved through the pearl cotton pad 4, and the preamplifier body 1 can be limited and fixed through the limiting mechanism.

The top of the protective shell 2 is fixedly provided with two mounting blocks 9, the two mounting blocks 9 are fixedly provided with the same handle 10, and people can conveniently carry the protective shell by the aid of the handle 10.

The rear part of the protecting shell 2 is provided with a plurality of exhaust ports, a plurality of radiating fans 11 are fixedly arranged in the exhaust ports, the front part of the protecting shell 2 is fixedly provided with a plurality of hinges 12, a plurality of same shielding plates 13 are fixedly arranged on the hinges 12, the shielding plates 13 are matched with the protecting shell 2, an air inlet and a plurality of wire inlet holes are formed in the shielding plates 13, a dust screen is fixedly arranged in the air inlet, and the radiating fans 11 are used for exhausting, so that the fast heat dissipation is facilitated.

Hanging rings 14 are fixedly installed on two sides of the protective shell 2, hooks 15 are arranged on the hanging rings 14, one brace 16 is fixedly installed on the hooks 15, shoulder pads 17 are sleeved on the braces 16, and people can carry the protective shell on back conveniently through the braces 16.

The two ends of the bidirectional screw rod 6 are fixedly provided with knobs, the top of the pearl cotton pad 4 is provided with a plurality of grooves, and the grooves are matched with the foot cushion blocks of the preamplifier body 1.

The bottom ends of the two sliding blocks 7 are embedded with balls, and the two balls are respectively contacted with the bottom inner walls of the two guide grooves 5.

The working principle of the portable multifunctional preamplifier provided by the utility model is as follows:

when the components in the preamplifier body 1 are damaged, the shielding plate 13 can be opened by personnel firstly, then the knob is turned, the two sliding blocks 7 and the limiting plate 8 are driven to move by the bidirectional screw rod 6 in a rotating manner, the preamplifier body 1 loses limit along with the fact that the limiting plate 8 is far away from the preamplifier body 1, the preamplifier body 1 can be taken out from the protecting shell 21 by personnel, then the personnel can detach and repair the preamplifier body, when the personnel needs to carry the multifunctional preamplifier to go out, the personnel can grasp the handle 10 to lift the preamplifier to go out, if the personnel carry the preamplifier to walk relatively inconvenient, the personnel can carry the preamplifier to walk by carrying the preamplifier body on the back belt 16, during the operation of the preamplifier body 1, the personnel can start the cooling fan 11 to exhaust, so that the preamplifier body 1 is favorable for fast heat dissipation, and the protecting shell 2 can shield and protect the preamplifier body 1 from collision damage.

the utility model provides a portable multifunctional preamplifier, which can shield and protect a preamplifier body 1 through a protective shell 2, can avoid collision damage of the preamplifier body, can play a role of shock resistance through a pearl cotton pad 4, can limit and fix the preamplifier body 1 through a limiting mechanism, is convenient to detach during maintenance, is convenient to carry and carry by a person through a handle 10, is convenient to carry and carry by a cooling fan 11, is favorable for rapid heat dissipation by operating and exhausting, and is convenient to carry by a back strap 16.

It should be noted that, the device structure and the drawings of the present utility model mainly describe the principle of the present utility model, in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, and on the premise that the person skilled in the art understands the principle of the present utility model, the specific details of the power mechanism, the power supply system and the control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

the standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the drawings, the specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment are conventional models in the prior art, and the structures and the principles of the parts are all known by the skilled person through technical manuals or through conventional experimental methods.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents, and in other related technical fields, which are equally encompassed by the scope of the present utility model.

Claims

1. A portable multifunction pre-amplifier, comprising:

the preamplifier comprises a preamplifier body, wherein a protective shell is arranged outside the preamplifier body, a placement seat is fixedly arranged on the inner wall of the bottom of the protective shell, a pearl cotton pad is fixedly arranged at the top of the placement seat, and the pearl cotton pad is matched with the preamplifier body;

the limiting mechanism comprises two guide grooves, two bidirectional screws, two sliding blocks and two limiting plates, wherein the two guide grooves are formed in the inner wall of the bottom of the protective shell, the bidirectional screws are rotatably installed on the placement seat, the two sliding blocks are sleeved on the bidirectional screws in a threaded mode, the bottoms of the two sliding blocks extend into the two guide grooves respectively, the two limiting plates are fixedly installed at the tops of the two sliding blocks respectively, and the two limiting plates are attached to the preamplifier body.

2. The portable multifunction preamplifier according to claim 1, wherein two mounting blocks are fixedly mounted on top of the protective housing, and the same grip is fixedly mounted on both mounting blocks.

3. The portable multifunctional preamplifier according to claim 1, wherein a plurality of exhaust ports are formed in the rear portion of the protective housing, a plurality of radiator fans are fixedly mounted in the exhaust ports, a plurality of hinges are fixedly mounted in the front portion of the protective housing, the same shielding plate is fixedly mounted on the hinges, the shielding plate is matched with the protective housing, an air inlet and a plurality of wire inlet holes are formed in the shielding plate, and a dust screen is fixedly mounted in the air inlet.

4. The portable multifunctional preamplifier according to claim 1, wherein hanging rings are fixedly installed on two sides of the protective shell, hooks are arranged on two hanging rings, the same strap is fixedly installed on two hooks, and shoulder pads are sleeved on the straps.

5. The portable multifunctional preamplifier according to claim 1, wherein knobs are fixedly mounted at both ends of the bidirectional screw, a plurality of grooves are formed in the top of the pearl cotton pad, and the grooves are matched with foot pads of the preamplifier body.

6. The portable multifunction preamplifier according to claim 1, wherein the bottom ends of both the sliders are embedded with balls, and both the balls are respectively in contact with the bottom inner walls of both the guide grooves.