CN215183061U

CN215183061U - Device for reducing sound source loudness from source

Info

Publication number: CN215183061U
Application number: CN202121383421.9U
Authority: CN
Inventors: 王煊赫
Original assignee: North China University of Water Resources and Electric Power
Current assignee: North China University of Water Resources and Electric Power
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-14
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a device for reducing sound source loudness from a source, which comprises a shell, wherein a mounting component is arranged in the shell, the mounting component is fixed in the shell through a damping component, acoustic panels are arranged on both sides of the inner wall of the shell, the mounting component comprises a top plate and a bottom plate which are arranged in the shell, the bottom plate is arranged below the top plate, sleeves are symmetrically arranged on both sides of the upper end of the bottom plate, telescopic columns corresponding to the sleeves are symmetrically arranged on both sides of the lower end of the top plate, the telescopic columns are all connected in the sleeves in a sliding manner, a transmission component is arranged between the top plate and the bottom plate, the utility model can reduce noise of the source through the acoustic panels, avoid noise from being transmitted to the outside to influence the using effect, and can mount and fix controllers with different sizes, and can buffer and damp the vibration received by the controllers in the using process, avoid the controller to receive violent vibrations and lead to damaging, convenient to use, the practicality is strong.

Description

Device for reducing sound source loudness from source

Technical Field

The utility model relates to the technical field of mechanical equipment, specifically a source reduces device of sound source loudness.

Background

The controller is a master device for controlling the starting, speed regulation, braking and reversing of the motor by changing the wiring of a main circuit or a control circuit and changing the resistance value in the circuit according to a preset sequence. The general controller can send out the noise in the in-process of using, influences the result of use very easily, and the general controller receives vibrations very easily when using and leads to the damage simultaneously, and is very inconvenient to use.

In view of the above problems, a device for reducing the loudness of a sound source from a source is now devised.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a source reduces device of sound source loudness to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a device for reducing the loudness of a sound source from a source comprises a shell, wherein mounting assemblies for fixing controllers of different sizes are arranged in the shell, the mounting assemblies are fixed in the shell through damping assemblies, and sound-absorbing plates are arranged on two sides of the inner wall of the shell;

the installation component comprises a top plate and a bottom plate which are arranged in a shell, the bottom plate is located below the top plate, sleeves are symmetrically arranged on two sides of the upper end of the bottom plate, telescopic columns corresponding to the sleeves are symmetrically arranged on two sides of the lower end of the top plate, the telescopic columns are connected in the sleeves in an all-sliding mode, and a transmission component used for enabling the top plate and the bottom plate to be close to each other is arranged between the top plate and the bottom plate.

As a further aspect of the present invention: the transmission assembly comprises a first hinge seat arranged on one side of the lower end of the top plate, a support rod is rotatably connected onto the first hinge seat, a sliding groove corresponding to the first hinge seat is formed in the upper end of the bottom plate, a matching block is connected in the sliding groove in a sliding mode, and a second hinge seat rotatably connected with the lower end of the support rod is arranged on the matching block;

and the bottom plate is provided with a driving assembly for driving the matching block to move in the sliding groove.

As a further aspect of the present invention: the drive assembly comprises a screw rod which is rotatably connected in the sliding groove, the screw rod is in threaded connection with the matching block, and a handle connected with the tail end of the screw rod is arranged on one side of the bottom plate.

As a further aspect of the present invention: damping component closes the first fixed block of bottom plate lower extreme both sides including the symmetry establishing in roof upper end both sides, all be equipped with first recess on the first fixed block, equal sliding connection has first slider in the first recess, all be equipped with the first spring that is located first slider both sides in the first recess, the inside top and the bottom of casing all are equipped with the second fixed block corresponding with first fixed block, all be equipped with the second recess on the second fixed block, equal sliding connection has the second slider in the second recess, all be equipped with the second spring that is located second slider both sides in the second recess, first slider all rotates with the second slider through the connecting plate to be connected.

As a further aspect of the present invention: the handle is provided with anti-slip lines for preventing the hands of a user from slipping.

As a further aspect of the present invention: and the surfaces of the first sliding block and the second sliding block are both provided with wear-resistant layers.

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

1. the sound-absorbing board is arranged in the shell, so when the controller emits noise in the using process, the noise can be absorbed by the sound-absorbing boards on the two sides, the noise source is subjected to noise reduction treatment, and the noise is prevented from being transmitted to the outside to influence the using effect;

2. when the controller is installed, the controller can be clamped and fixed through the top plate and the bottom plate only by rotating the handle, and meanwhile, the device can be used for installing and fixing the controllers with different sizes by adjusting the distance between the top plate and the bottom plate, so that the applicability of the device is enhanced;

3. the utility model discloses can receive when vibrations at the in-process that the controller used, turn into horizontal effort through the vertical effort that the connecting plate received the controller to the shock attenuation is cushioned to the vibrations that the controller received through the spring action of first spring and second spring, avoids the controller to receive violent vibrations and leads to damaging, has made things convenient for the use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 according to the present invention.

Fig. 3 is a schematic diagram of a three-dimensional structure of the middle mounting assembly of the present invention.

Wherein: 1. a housing; 2. a sound-absorbing panel; 3. a top plate; 4. a base plate; 5. a sleeve; 6. a telescopic column; 7. a first hinge mount; 8. a support bar; 9. a chute; 10. a matching block; 11. a second hinge mount; 12. a screw; 13. a handle; 14. a first fixed block; 15. a first groove; 16. a first slider; 17. a first spring; 18. a second fixed block; 19. a second groove; 20. a second slider; 21. a second spring; 22. a connecting plate.

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. 1-3, in the embodiment of the present invention, a device for reducing sound source loudness from a source includes a casing 1, a mounting assembly for fixing controllers of different sizes is disposed in the casing 1, the mounting assembly is fixed in the casing 1 through a damping assembly, and sound-absorbing boards 2 are disposed on both sides of an inner wall of the casing 1, so that when the controller generates noise in a using process, the noise can be absorbed by the sound-absorbing boards 2 on both sides, so as to reduce noise of the source and prevent the noise from being transmitted to the outside to affect a using effect;

the mounting assembly comprises a top plate 3 and a bottom plate 4 which are arranged in the shell 1, the bottom plate 4 is positioned below the top plate 3, sleeves 5 are symmetrically arranged on two sides of the upper end of the bottom plate 4, telescopic columns 6 corresponding to the sleeves 5 are symmetrically arranged on two sides of the lower end of the top plate 3, the telescopic columns 6 are all connected in the sleeves 5 in a sliding mode, a transmission assembly used for enabling the top plate 3 and the bottom plate 4 to be close to each other is arranged between the top plate 3 and the bottom plate 4, and therefore the top plate 3 only can move vertically on the bottom plate 4 under the limiting effect of sliding connection of the sleeves 5 and the telescopic columns 6;

the transmission assembly comprises a first hinge seat 7 arranged on one side of the lower end of the top plate 3, a support rod 8 is rotatably connected onto the first hinge seat 7, a sliding groove 9 corresponding to the first hinge seat 7 is arranged at the upper end of the bottom plate 4, a matching block 10 is slidably connected into the sliding groove 9, and a second hinge seat 11 rotatably connected with the lower end of the support rod 8 is arranged on the matching block 10;

the bottom plate 4 is provided with a driving component for driving the matching block 10 to move in the sliding groove 9, the driving component comprises a screw rod 12 which is rotatably connected in the sliding groove 9, the screw rod 12 is in threaded connection with the matching block 10, one side of the bottom plate 4 is provided with a handle 13 which is connected with the tail end of the screw rod 12, so that when the controller needs to be installed, the controller can be placed between the bottom plate 4 and the top plate 3, then a user drives the screw rod 12 to rotate through the handle 13, the screw rod 12 drives the matching block 10 to move through threaded connection with the matching block 10, the matching block 10 drives the lower end of the supporting rod 8 to move towards the direction far away from the first hinge seat 7, the top plate 3 can be pulled to move downwards through the supporting rod 8, the controller is clamped and fixed through the top plate 3 and the bottom plate 4, the installation and the fixation of the controller are facilitated, and meanwhile, the distance between the top plate 3 and the bottom plate 4 is adjusted, the device can be used for mounting controllers with different sizes, so that the applicability of the device is enhanced;

the handle 13 is provided with anti-skid lines for preventing the hands of a user from slipping;

the damping assembly comprises first fixed blocks 14 symmetrically arranged on two sides of the upper end of the top plate 3 and two sides of the lower end of the bottom plate 4, first grooves 15 are formed in the first fixed blocks 14, first sliders 16 are connected into the first grooves 15 in a sliding mode, first springs 17 located on two sides of the first sliders 16 are arranged in the first grooves 15, second fixed blocks 18 corresponding to the first fixed blocks 14 are arranged at the top end and the bottom end of the interior of the shell 1, second grooves 19 are formed in the second fixed blocks 18, second sliders 20 are connected into the second grooves 19 in a sliding mode, second springs 21 located on two sides of the second sliders 20 are arranged in the second grooves 19, the first sliders 16 are rotatably connected with the second sliders 20 through connecting plates 22, and therefore when the controller is vibrated in the using process, the controller can drive the top plate 3 and the bottom plate 4 to rock, the top plate 3 and the bottom plate 4 can extrude the connecting plate 22 through the first sliding block 16, meanwhile, the connecting plate 22 extrudes the second sliding block 20, the second sliding block 20 and the first sliding block 16 slide, meanwhile, the first sliding block 16 extrudes the first spring 17, the second sliding block 20 extrudes the second spring 21, so that the vertical acting force applied to the controller is converted into a transverse acting force through the connecting plate 22, the vibration applied to the controller is buffered and damped through the elastic force action of the first spring 17 and the second spring 21, the controller is prevented from being damaged due to severe vibration, and the use is facilitated;

the surfaces of the first sliding block 16 and the second sliding block 20 are provided with wear-resistant layers, so that the first sliding block 16 and the second sliding block 20 are prevented from being abraded due to long-time friction, and the service life of the device is shortened.

The utility model discloses a theory of operation is: when the controller needs to be installed, the controller is firstly placed between the bottom plate 4 and the top plate 3, then the screw 12 is rotated through the handle 13, the screw 12 drives the matching block 10 to move through threaded connection with the matching block 10, the matching block 10 drives the lower end of the supporting rod 8 to move towards the direction far away from the first hinge seat 7, the top plate 3 is pulled to move downwards through the supporting rod 8, so that the controller is clamped and fixed through the top plate 3 and the bottom plate 4, when the controller generates noise in the using process, the noise can be absorbed through the sound absorption plates 2 on two sides, so that the use effect is prevented from being influenced by the fact that the noise is transmitted to the outside, when the controller is vibrated in the using process, the vertical acting force borne by the controller can be converted into the transverse acting force through the connecting plate 22, and the vibration borne by the controller is buffered and damped through the elastic force of the first spring 17 and the second spring 21, the controller is prevented from being damaged due to severe vibration.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention.

Claims

1. A device for reducing the loudness of a sound source from a source, comprising a housing (1), characterized in that: the mounting assembly for fixing the controllers of different sizes is arranged in the shell (1), the mounting assembly is fixed in the shell (1) through the damping assembly, and the sound-absorbing plates (2) are arranged on two sides of the inner wall of the shell (1);

the mounting assembly comprises a top plate (3) and a bottom plate (4) which are arranged in a shell (1), the bottom plate (4) is located below the top plate (3), sleeves (5) are symmetrically arranged on two sides of the upper end of the bottom plate (4), telescopic columns (6) corresponding to the sleeves (5) are symmetrically arranged on two sides of the lower end of the top plate (3), the telescopic columns (6) are connected in the sleeves (5) in an equal sliding mode, and a transmission assembly used for enabling the top plate (3) and the bottom plate (4) to be close to each other is arranged between the top plate (3) and the bottom plate (4).

2. An apparatus for source loudness reduction according to claim 1, wherein: the transmission assembly comprises a first hinge seat (7) arranged on one side of the lower end of the top plate (3), a support rod (8) is rotatably connected onto the first hinge seat (7), a sliding groove (9) corresponding to the first hinge seat (7) is formed in the upper end of the bottom plate (4), a matching block (10) is connected into the sliding groove (9) in a sliding mode, and a second hinge seat (11) rotatably connected with the lower end of the support rod (8) is arranged on the matching block (10);

and the bottom plate (4) is provided with a driving component for driving the matching block (10) to move in the chute (9).

3. An apparatus for source loudness reduction according to claim 2, wherein: the driving assembly comprises a screw rod (12) rotatably connected in the sliding groove (9), the screw rod (12) is in threaded connection with the matching block (10), and a handle (13) connected with the tail end of the screw rod (12) is arranged on one side of the bottom plate (4).

4. An apparatus for source loudness reduction according to claim 1, wherein: the shock absorption component comprises first fixed blocks (14) which are symmetrically arranged at two sides of the upper end of the top plate (3) and two sides of the lower end of the bottom plate (4), the first fixed blocks (14) are respectively provided with a first groove (15), the first grooves (15) are respectively connected with a first sliding block (16) in a sliding way, first springs (17) positioned at two sides of the first sliding block (16) are arranged in the first grooves (15), the top end and the bottom end of the interior of the shell (1) are respectively provided with a second fixed block (18) corresponding to the first fixed block (14), the second fixed blocks (18) are respectively provided with a second groove (19), the second grooves (19) are respectively connected with a second sliding block (20) in a sliding way, second springs (21) positioned at two sides of the second sliding block (20) are arranged in the second grooves (19), the first sliding blocks (16) are rotatably connected with the second sliding blocks (20) through connecting plates (22).

5. An apparatus for source loudness reduction according to claim 3, wherein: the handle (13) is provided with anti-skid lines for preventing the hands of a user from skidding.

6. An apparatus for source loudness reduction according to claim 4, wherein: and the surfaces of the first sliding block (16) and the second sliding block (20) are provided with wear-resistant layers.