CN214367443U

CN214367443U - Vibration damping structure and electronic product with loudspeaker

Info

Publication number: CN214367443U
Application number: CN202023147871.6U
Authority: CN
Inventors: 王梦阳
Original assignee: Goertek Techology Co Ltd
Current assignee: Goertek Techology Co Ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-10-08
Anticipated expiration: 2030-12-23

Abstract

The utility model belongs to the technical field of electronic products, in particular to a vibration damping structure and an electronic product with a loudspeaker; the vibration damping structure comprises a mass block, a cycloid connected above the mass block and a plurality of groups of elastic telescopic mechanisms arranged at intervals along the circumferential direction of the mass block, each group of elastic telescopic mechanisms respectively comprises a mounting plate arranged at intervals with the mass block, a damping rod arranged between the mounting plate and the mass block and an elastic telescopic piece connected between the damping rod and the corresponding side of the mass block, an included angle alpha is formed between the arrangement direction of the damping rod and the arrangement direction of the cycloid, the first end of the damping rod is inserted into the mass block and is in sliding connection with the mass block, and a universal connecting mechanism is arranged between the second end of the damping rod and the mounting plate; the electronic product with the loudspeaker comprises a shell, the loudspeaker and a vibration damping structure which are fixedly arranged in a cavity enclosed by the shell. The problem of because of loudspeaker or external reason lead to the electronic product vibration and cause electronic product position to change is solved.

Description

Vibration damping structure and electronic product with loudspeaker

Technical Field

The utility model belongs to the technical field of the electronic product, especially, relate to a vibration damping structure and take electronic product of loudspeaker.

Background

Along with the popularization of smart homes, more and more electronic products with loudspeakers, such as smart sound boxes, appear in daily life. During the use, electronic product's loudspeaker can be according to audio signal sound, and loudspeaker sound vibration frequency is the same with electronic product's natural frequency in many times, and loudspeaker can form resonance between with electronic product like this and make electronic product's vibration aggravation, and electronic product's position changes after using a period, and to being equipped with high power loudspeaker or the electronic product that uses on moving vehicle, the condition that produces the position change is especially obvious.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vibration damping structure and take electronic product of loudspeaker aim at solving because of loudspeaker or the outer problem that causes the electronic product position to change because of leading to the electronic product vibration.

The utility model discloses a vibration damping structure, vibration damping structure includes the quality piece, connects the cycloid of quality piece top and edge the multiunit elastic expansion mechanism, every group that the circumference interval of quality piece set up elastic expansion mechanism include respectively with mounting panel, setting that the quality piece interval set up are in the mounting panel with damping rod, connection between the quality piece the damping rod with elastic expansion piece between the corresponding side of quality piece the damping rod set up the direction with the cycloid set up and be equipped with contained angle alpha between the direction, the first end of damping rod inserts in the quality piece and with quality piece sliding connection the second end of damping rod with be equipped with universal coupling mechanism between the mounting panel.

As an improvement, the multiple groups of elastic telescopic mechanisms are uniformly arranged along the circumferential direction of the mass block.

As an improvement, the elastic telescopic mechanisms are provided with four groups, and the arrangement direction of two groups of the elastic telescopic mechanisms which are oppositely arranged is vertical to the arrangement direction of the other two groups of the elastic telescopic mechanisms which are oppositely arranged.

As a modification, the mass is a sphere, and the damping rods are arranged in a radial direction of the sphere.

As a refinement, the angle α is greater than 90 degrees and less than 180 degrees.

As an improvement, the vibration damping structure further comprises a groove-shaped accommodating shell and a cover plate covering the notch of the accommodating shell, one end of the cycloid far away from the mass block is fixedly connected to the cover plate, and the mounting plates of each group of elastic telescopic mechanisms are respectively and fixedly mounted on the groove bottom of the accommodating shell.

As an improvement, the elastic expansion piece is a spring sleeved on the damping rod, a connecting part is arranged at the second end of the damping rod, and two ends of the spring are fixedly connected with the mass block and the connecting part respectively.

The utility model also discloses a take electronic product of loudspeaker, take electronic product of loudspeaker include the shell, install loudspeaker and fixed mounting in the cavity are enclosed into to the shell are in the cavity is enclosed into to the shell the vibration damping structure.

As an improvement, the horn is arranged at the lower part of a cavity enclosed by the shell, a bracket is fixedly arranged at the upper part of the cavity enclosed by the shell, and the vibration damping structure is arranged between the bracket and the top of the shell.

As an improvement, the electronic product is a sound box.

Due to the adoption of the technical scheme, the utility model discloses a vibration damping structure comprises the quality piece, the cycloid that is connected above the quality piece, and the multiunit elastic telescoping mechanism that sets up along the circumference interval of quality piece, each group elastic telescoping mechanism includes respectively with the mounting panel that the quality piece interval set up, the damping rod that sets up between mounting panel and quality piece, connect the elastic telescoping piece between the pole and the corresponding side of quality piece, be equipped with contained angle alpha between the direction of setting up of damping rod and the direction of setting up of cycloid, the first end of this damping rod inserts in the quality piece and with quality piece sliding connection, be equipped with universal coupling mechanism between the second end of damping rod and mounting panel; the electronic product with the loudspeaker comprises a shell, the loudspeaker and a vibration damping structure, wherein the loudspeaker is installed in a cavity defined by the shell, and the vibration damping structure is fixedly installed in the cavity defined by the shell. When the device is installed, the installation plates of each group of elastic telescopic mechanisms are respectively and fixedly installed in the electronic product, and one end of the cycloid, which is far away from the mass block, is connected with a corresponding component in the electronic product, so that the cycloid and the mass block form a simple pendulum structure; when the loudspeaker produces sound vibration or external force causes the electronic product to produce vibration in the circumferential direction, the mass block swings and can compress the elastic expansion piece of the elastic expansion mechanism facing to the swinging direction and stretch the elastic expansion piece of the elastic expansion mechanism opposite to the swinging direction, and the elastic expansion pieces of a plurality of groups of elastic expansion mechanisms produce deformation to offset the energy produced by the electronic product in the circumferential vibration; when the electronic product generates upward vibration due to vibration generated by the loudspeaker or external force, the mass block can simultaneously stretch the elastic expansion pieces of the multiple groups of elastic expansion mechanisms, and the energy generated by the electronic product during vertical vibration is counteracted by the deformation generated by the elastic expansion pieces of the multiple groups of elastic expansion mechanisms; because the circumference interval at the quality piece is provided with multiunit elastic telescoping mechanism to being equipped with contained angle alpha between the direction that sets up of damping lever of every group elastic telescoping mechanism and the direction that sets up of cycloid, the energy that produces when can offsetting the arbitrary orientation vibration of electronic product, thereby can weakening the vibration of electronic product, avoiding electronic product's the position of placing to change, the utility model discloses a vibration damping structure and take electronic product of loudspeaker have solved because of loudspeaker or have caused the problem that electronic product position changes because of leading to the electronic product vibration outward.

Drawings

Fig. 1 is a schematic perspective view of a vibration damping structure according to the present invention;

fig. 2 is a schematic top view of a vibration damping structure according to the present invention;

fig. 3 is an exploded view of the vibration damping structure according to the present invention in an installed state;

fig. 4 is a schematic sectional view of the vibration damping structure according to the present invention in an installed state;

fig. 5 is a schematic cross-sectional structural diagram of the electronic product with a speaker according to the present invention;

the device comprises a mass block 11, a mass block 12, a cycloid 20, an elastic telescopic mechanism 21, a damping rod 22, a mounting plate 23, an elastic telescopic piece 31, a containing shell 32, a cover plate 33, a fastening piece 41, a lower shell 42, an upper shell 43, a main plate 44, a loudspeaker 50 and a support.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that if the present invention relates to a directional indication (for example, up, down, front, back, etc.), the directional indication is only used to explain the relative position relationship between the components in a specific posture, and if the specific posture changes, the directional indication changes accordingly; if reference is made in the present application to the description of "first", "second", etc., then the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated.

Fig. 1 to 5 are structural schematic diagrams of the vibration damping structure and the electronic product with the speaker of the present invention, wherein, fig. 1 shows the three-dimensional structural schematic diagram of the vibration damping structure of the present invention, fig. 2 shows the overlooking structural schematic diagram of the vibration damping structure of the present invention, fig. 3 shows the decomposition structural schematic diagram of the vibration damping structure installation state of the present invention, fig. 4 shows the sectional structural schematic diagram of the vibration damping structure installation state of the present invention, fig. 5 shows the sectional structural schematic diagram of the electronic product with the speaker of the present invention. For the sake of convenience, only the parts relevant to the present invention are shown in the drawings.

As can be known from fig. 1, fig. 2, fig. 3 and fig. 4, the utility model discloses a vibration damping structure includes the quality piece 11, connect the cycloid 12 in quality piece 11 top, and the multiunit elastic expansion mechanism 20 that sets up along the circumference interval of quality piece 11, every group elastic expansion mechanism 20 includes the mounting panel 22 that sets up with quality piece 11 interval respectively, the damping rod 21 of setting between mounting panel 22 and quality piece 11, connect the elastic expansion piece 23 between the corresponding side of damping rod 21 and quality piece 11, be equipped with contained angle alpha between the direction that sets up of this damping rod 21 and the direction that sets up of cycloid 12, the first end of this damping rod 21 inserts in quality piece 11 and with quality piece 11 sliding connection, be equipped with universal connection mechanism between the second end of damping rod 21 and mounting panel 22.

When the device is installed, the installation plates 22 of each group of elastic telescopic mechanisms 20 are respectively and fixedly installed in the electronic product, and one end of the cycloid 12, which is far away from the mass block 11, is connected with corresponding components in the electronic product, so that the cycloid 12 and the mass block 11 form a simple pendulum structure; when the loudspeaker vibrates during sounding or the electronic product vibrates in the circumferential direction due to external force, the mass block 11 swings and compresses the elastic expansion piece 23 of the elastic expansion mechanism 20 facing the swinging direction, stretches the elastic expansion piece 23 of the elastic expansion mechanism 20 opposite to the swinging direction, and the elastic expansion pieces 23 of the elastic expansion mechanisms 20 generate deformation to counteract energy generated by the electronic product during circumferential vibration; when the electronic product generates upward vibration due to vibration generated by the loudspeaker or external force, the mass block 11 can simultaneously stretch the elastic expansion pieces 23 of the multiple groups of elastic expansion mechanisms 20, and the energy generated by the electronic product during vertical vibration is counteracted by the deformation generated by the elastic expansion pieces 23 of the multiple groups of elastic expansion mechanisms 20; because the circumference interval at quality piece 11 is provided with multiunit elastic telescoping mechanism 20 to being equipped with contained angle alpha between the direction that sets up of damping rod 21 of every group elastic telescoping mechanism 20 and the direction that sets up of cycloid 12, the energy that produces when can offsetting the arbitrary orientation vibration of electronic product, thereby can weakening the vibration of electronic product, avoid electronic product's the place position to change, the utility model discloses a vibration damping structure has solved because of loudspeaker or the outer problem that causes electronic product position to change because of leading to electronic product vibration.

The utility model discloses in, the setting is equallyd divide equally along the circumference of quality piece 11 to multiunit elastic telescoping mechanism 20, and is preferred, and elastic telescoping mechanism 20 is provided with four groups to the direction that sets up of the elastic telescoping mechanism 20 of two sets of relative settings is perpendicular with the direction that sets up of the elastic telescoping mechanism 20 of other two sets of relative settings, and like this, four groups elastic telescoping mechanism 20 arrange according to rectangular coordinate system, can make the slip between quality piece 11 and the damping rod 21 more smooth and easy, can strengthen the damping effect.

Of course, the elastic expansion mechanism 20 may be provided in three, five or more groups.

The utility model discloses in, quality piece 11 is the spheroid to damping rod 21 sets up quality piece 11 to the spheroid along spheroidal radial setting, and the elastic expansion mechanism 20 of being convenient for sets up, can avoid moreover producing the influence because of the shape of quality piece 11 to the compression of elastic expansion piece 23.

Specifically, 90 degrees < angle α <180 degrees, and typically, angle α is 120 degrees.

The utility model discloses in, for the convenience of installation, this vibration damping structure is still established apron 32 on the notch of holding casing 31 including the holding casing 31, the lid that are the trough-shaped, and the one end fixed connection that quality piece 11 was kept away from to cycloid 12 is on apron 32, and the mounting panel 22 of every group elastic telescoping mechanism 20 is fixed mounting respectively on the tank bottom of holding casing 31. The electronic product vibration damping structure can be assembled in advance, and the assembled vibration damping structure is directly fixed inside the electronic product, so that the electronic product vibration damping structure is convenient to install and can be prevented from colliding with parts inside the electronic product.

Specifically, a fastening member 33 is provided between the mounting plate 22 and the groove bottom of the accommodating case 31, and the fastening member 33 is typically a screw.

The utility model discloses in, elastic expansion piece 23 establishes the spring on damping rod 21 for the cover to second end department at damping rod 21 is equipped with connecting portion, the both ends of this spring respectively with quality piece 11, connecting portion fixed connection.

Typically, the connecting portion is a ring, a connecting rod, or the like provided on the damper rod 21.

The utility model discloses in, the universal connection mechanism who sets up between the second end of damping rod 21 and mounting panel 22 is universal bulb, universal joint etc. and this universal bulb, universal joint's structure is the well-known technique, and no longer the repeated description is here.

As can be seen from fig. 5, the present invention further relates to an electronic product with a speaker, which includes a housing, a main board 43 installed in the cavity enclosed by the housing, and a speaker 44 electrically connected to the main board 43, and further includes the above-mentioned vibration damping structure fixedly installed in the cavity enclosed by the housing.

The utility model discloses in, mainboard 43, loudspeaker 44 set up the lower part that encloses into the cavity at the shell, and the vibration damping structure sets up the upper portion that encloses into the cavity at the shell, and for the convenience of vibration damping structure carries out fixed mounting, and the upper portion department fixed mounting who encloses into the cavity at the shell has support 50, and this vibration damping structure is fixed on support 50.

The shell comprises a cylindrical lower shell 41 and an upper shell 42 covering the opening of the lower shell 41, a main board 43 and a loudspeaker 44 are arranged in a space surrounded by the lower shell 41, a support 50 is fixedly arranged at the opening of the lower shell 41, and a vibration damping structure is arranged between the support 50 and the upper shell 42.

Specifically, the accommodating case 31 of the vibration damping structure is fixedly mounted on the bracket 50, and usually, the fastening member 33 passes through the mounting plate 22 and the groove bottom of the accommodating case 31 to be fixedly connected with the bracket 50.

The utility model discloses in, this electronic product is the audio amplifier.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a vibration damping structure, its characterized in that includes the quality piece, connects the cycloid of quality piece top and follow the multiunit elastic expansion mechanism that the circumference interval of quality piece set up, every group elastic expansion mechanism include respectively with mounting panel, setting that the quality piece interval set up are in the mounting panel with damping rod between the quality piece, connection be in the damping rod with elastic expansion member between the corresponding side of quality piece the damping rod set up the direction with the cycloid set up and be equipped with contained angle alpha between the direction, the first end of damping rod inserts in the quality piece and with quality piece sliding connection the second end of damping rod with be equipped with universal coupling mechanism between the mounting panel.

2. The vibration damping structure according to claim 1, wherein the plurality of sets of elastic telescoping mechanisms are equally arranged in the circumferential direction of the mass.

3. The vibration damping structure according to claim 2, wherein the elastic expanding and contracting mechanisms are provided in four sets, and the direction in which two sets of the elastic expanding and contracting mechanisms are provided oppositely is perpendicular to the direction in which the other two sets of the elastic expanding and contracting mechanisms are provided oppositely.

4. The vibration damping structure according to any one of claims 1 to 3, wherein the mass is a sphere, and the damping rods are disposed in a radial direction of the sphere.

5. The vibration damping structure of claim 1, wherein the included angle a is greater than 90 degrees and less than 180 degrees.

6. The vibration damping structure according to claim 1, further comprising a receiving casing in a groove shape, and a cover plate covering the notch of the receiving casing, wherein one end of the cycloid away from the mass block is fixedly connected to the cover plate, and the mounting plates of each set of elastic telescoping mechanism are respectively and fixedly mounted on the groove bottom of the receiving casing.

7. The vibration damping structure of claim 1, wherein the elastic expansion member is a spring sleeved on the damping rod, a connecting portion is disposed at the second end of the damping rod, and two ends of the spring are respectively fixedly connected to the mass block and the connecting portion.

8. An electronic product with a loudspeaker, comprising a housing, the loudspeaker mounted in a cavity defined by the housing, and the vibration damping structure of any one of claims 1 to 7 fixedly mounted in the cavity defined by the housing.

9. The electronic product with a speaker according to claim 8, wherein the speaker is disposed at a lower portion of a cavity surrounded by the housing, a bracket is fixedly mounted at an upper portion of the cavity surrounded by the housing, and the vibration damping structure is disposed between the bracket and a top portion of the housing.

10. The electronic product with the horn of claim 8, wherein the electronic product is a sound box.