CN218416599U

CN218416599U - Lifting loudspeaker mechanism

Info

Publication number: CN218416599U
Application number: CN202222710284.6U
Authority: CN
Inventors: 黄奇; 黄智中; 王梦阳
Original assignee: Wuhu Yuchuang Automobile Science And Technology Ltd
Current assignee: Wuhu Yuchuang Automobile Science And Technology Ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-01-31
Anticipated expiration: 2032-10-14

Abstract

The utility model discloses a lift speaker mechanism, including casing, motor, crank, linking arm and be used for fixing a position the lift base of speaker, the lift base can go up and down correspond the casing setting, articulate one end links to each other with the motor, the linking arm includes linking arm and last linking arm down, and the lower extreme of linking arm links to each other with the articulate other end is articulated down, and the upper end of going up the linking arm links to each other with the lift base is articulated, goes up to articulate between the lower extreme of linking arm and the upper end of linking arm down and links to each other and through receiving the elasticity joint structure location of the mobile buffering of external force. This lift speaker mechanism structural design is reasonable, and the crank links to each other with all articulating between the linking arm from top to bottom, and through the elasticity joint structure location that can cushion the decompression power down between the linking arm from top to bottom, need not to set up the spring part, and stable in structure is reliable, and is with low costs.

Description

Lifting loudspeaker mechanism

Technical Field

The utility model belongs to the technical field of the automotive speaker technique and specifically relates to a lift speaker mechanism is related to.

Background

With the rapid development of society, automobiles are important tools for daily life of people, and people can enjoy the fun of driving automobiles and simultaneously pursue the comfort, the technological sense and the taste of the automobiles; in order to improve the technical sense of the automotive interior, the automotive loudspeaker is designed to be liftable; in order to avoid the external force from damaging the lifting structure, the lifting structure needs to buffer the pressure when the loudspeaker is subjected to the external force.

For example, chinese patent CN209472723U discloses a speaker lifting mechanism, which includes a housing, a motor fixed on the housing, a driving gear arm driven by the motor to rotate, a connecting rod slidably connected to the driving gear arm, and a moving member hinged to the connecting rod, wherein the speaker is mounted on the moving member; the buffering and relieving of the downward force are realized by arranging a sliding chute on the connecting rod and matching with a torsion spring; the torsion spring is always in a stressed state, so that failure risks exist, and the stability and the reliability are poor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a can cushion the lift speaker mechanism who releases the push-down force, its stable in structure is reliable.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

this lift speaker mechanism, including casing, motor, crank, linking arm and be used for fixing a position the lift base of speaker, the corresponding casing setting that the lift base can go up and down, articulate one end links to each other with the motor, the linking arm is including linking arm and last linking arm down, and the lower extreme of lower linking arm links to each other with the articulate other end is articulated, and the upper end of going up the linking arm links to each other with the lift base is articulated, goes up to articulate between the lower extreme of linking arm and the upper end of linking arm down and links to each other and through the elasticity joint structure location that receives the mobile buffering of external force.

Further:

the motor, the crank and the connecting arm are all located in the shell, and the motor is fixed to the bottom of the shell.

The inner wall of the top of the shell is provided with a vertical groove, a guide rod is arranged in the vertical groove, the edge of the lifting base is provided with an extending part located in the vertical groove, and the extending part is in clearance fit with the guide rod.

And one side of the shell of the motor is provided with a limiting step for limiting the downward swinging position of the crank, the inner side of the crank is provided with a limiting bulge corresponding to the limiting step, and the limiting bulge is positioned above the limiting step.

The crank and the upper connecting arm are located on the same side of the lower connecting arm, an extending portion is arranged on the upper connecting arm at the top of the lower connecting arm, and a stop block is arranged on the lower portion of the upper connecting arm and corresponds to the edge of the extending portion.

The upper connecting arm and the lower connecting arm are of strip-shaped plate structures, and the butt joint positions are arranged in a laminating mode.

The elastic clamping structure comprises an elastic clamp arranged on one connecting arm, and a positioning hole and a buffer groove arranged on the other connecting arm, wherein the positioning hole and the buffer groove are arranged adjacently, and the elastic clamp moves into the buffer groove from the positioning hole when being buffered by external force.

And a hollow-out gap for weakening the elastic card is arranged on the connecting arm by the elastic card.

The end part of the elastic card is provided with an elastic card end part bulge.

The buffer slot is an arc-shaped slot, and a transition surface convenient for the elastic clamp to reset is arranged in the buffer slot close to the end of the positioning hole.

Compared with the prior art, the utility model, have following advantage:

this lift speaker mechanism structural design is reasonable, and all articulated linking to each other between crank and the upper and lower linking arm, through the elasticity joint structure location that can cushion the decompression down force between the upper and lower linking arm, need not to set up the spring part, and stable in structure is reliable, and is with low costs.

Drawings

The contents of the description and the references in the drawings are briefly described as follows:

fig. 1 is a schematic view of the mechanism structure of the present invention.

Fig. 2 is a schematic diagram of the mechanism structure of the present invention.

Fig. 3 isbase:Sub>A schematic sectional view taken alongbase:Sub>A-base:Sub>A in fig. 2.

Fig. 4 is a schematic view of the mechanism removing cover plate of the present invention.

Fig. 5 is a schematic view of the inside of the mechanism of the present invention.

Fig. 6 is a schematic diagram of the inside of the mechanism of the present invention.

Fig. 7 is a schematic view of the motor and the crank of the present invention.

Fig. 8 is a schematic view of one side of the crank and the two connecting arms of the present invention.

Fig. 9 is a schematic view of the other side of the crank and the two connecting arms of the present invention.

Fig. 10 is a schematic view of the lower connecting arm of the present invention.

Fig. 11 is a schematic view of the upper connecting arm of the present invention.

In the figure:

1. the loudspeaker comprises a shell, 2 parts of a loudspeaker, 3 parts of a lifting base, 4 parts of a guide rod, 5 parts of a motor, 501 parts of a limiting step, 6 parts of a crank, 601 parts of a limiting protrusion, 7 parts of a lower connecting arm, 701 parts of an elastic card, 7011 parts of an end protrusion of the elastic card, 8 parts of an upper connecting arm, 801 parts of a stop block, 802 parts of a positioning hole, 803 parts of a buffer groove and 8031 parts of an inclined plane.

Detailed Description

The following description of the embodiments of the present invention will explain the embodiments of the present invention in further detail by referring to the accompanying drawings.

As shown in fig. 1 to 11, the elevating speaker mechanism includes a housing 1, a motor 5, a crank 6, a connecting arm, and an elevating base 3 for positioning a speaker 2; the motor 5, the crank 6 and the connecting arm are all positioned in the shell 1, and the motor is fixed at the bottom of the shell; the lifting base 3 is positioned in the top of the shell, and the lifting base is lifted in the shell to drive the loudspeaker 2 to lift.

One end of the crank 6 is connected with the motor, and one end of the crank can be connected with the motor through the speed reducer or directly connected with the motor and is specifically arranged according to needs. The connecting arm comprises a lower connecting arm 7 and an upper connecting arm 8, the lower end of the lower connecting arm is hinged with the other end of the crank, the upper end of the upper connecting arm is hinged with the lifting base, the lower end of the upper connecting arm is hinged with the upper end of the lower connecting arm, and the upper connecting arm is positioned through an elastic clamping structure which is movably buffered by external force; the motor drives the crank to swing, the lifting base and the loudspeaker are driven to lift through the upper connecting arm and the lower connecting arm, the elastic clamping structure can be separated from a positioning position for movable buffering when the loudspeaker is stressed during rising, the downward pressure is relieved, spring parts do not need to be arranged, and the structure is stable and reliable and low in cost.

A vertical groove is formed in the inner wall of the top of the shell, a guide rod 4 is arranged in the vertical groove, an extending part located in the vertical groove is arranged at the edge of the lifting base, and the extending part is in clearance fit with the guide rod; the guide rods can be arranged in a group, the lifting base can only move up and down in the shell, and the operation is stable and reliable.

A limiting step 501 for limiting the downward swinging position of the crank is arranged on one side of the shell of the motor 5, a limiting bulge 601 is arranged on the inner side of the crank 6 corresponding to the limiting step, and the limiting bulge 601 is positioned above the limiting step 501; the downward swinging position of the crank is limited through the limiting step and the limiting bulge, and the initial installation position of the crank is positioned, so that the installation is simple and convenient.

Preferably, the elastic clamping structure comprises an elastic clamp 701 arranged on the lower connecting arm, and a positioning hole 802 and a buffer groove 803 arranged on the upper connecting arm, wherein the positioning hole and the buffer groove are arranged adjacently, and the elastic clamp can elastically deform to enable the elastic clamp to move into the buffer groove from the positioning hole when being buffered by external force.

The lower connecting arm is provided with a hollow-out gap for weakening the elastic card by the elastic card, so that the elastic deformation of the elastic card is improved; furthermore, the end of the elastic clamp 701 is provided with an end protrusion 7011 of the elastic clamp, which is an arc protrusion, so as to facilitate the detachment from the positioning hole and the restoration.

The buffer groove 803 is an arc-shaped groove, and a transition surface which is convenient for the elastic clamp to reset is arranged in the buffer groove close to the positioning hole end; the preferred transition surface is a sloped surface 8031 to facilitate the return of the spring card.

The crank and the upper connecting arm are located on the same side of the lower connecting arm, the top of the lower connecting arm is provided with an extending portion towards the upper connecting arm, the lower portion of the upper connecting arm is provided with a stop block 801 corresponding to the edge of the extending portion, the reset position can be limited, and the structure is stable and reliable. The upper connecting arm and the lower connecting arm are both strip-shaped plate structures, and the butt joint positions are attached, so that the structure is compact.

The above-mentioned is only for the description of the preferred embodiments of the present invention, and the above-mentioned technical features can be combined at will to form a plurality of embodiments of the present invention.

The present invention has been described in detail with reference to the accompanying drawings, and it is apparent that the present invention is not limited by the above embodiments, and various insubstantial improvements can be made without modification to the present invention.

Claims

1. The utility model provides a lift speaker mechanism, includes casing, motor, crank, linking arm and is used for fixing a position the lift base of speaker, the corresponding casing setting that the lift base can go up and down, articulate one end links to each other its characterized in that with the motor: the connecting arm includes linking arm and last linking arm down, and the lower extreme of lower linking arm links to each other with the other end of crank is articulated, and the upper end of going up the linking arm links to each other with the lift base is articulated, and articulated linking to each other and through receiving the elastic clamping structure location of the mobile buffering of external force between the lower extreme of going up the linking arm and the upper end of lower linking arm.

2. The elevating speaker mechanism as set forth in claim 1, wherein: the motor, the crank and the connecting arm are all located in the shell, and the motor is fixed to the bottom of the shell.

3. The elevating speaker mechanism as recited in claim 1, wherein: the lifting base is characterized in that a vertical groove is formed in the inner wall of the top of the shell, a guide rod is arranged in the vertical groove, an extending portion located in the vertical groove is arranged on the edge portion of the lifting base, and the extending portion is in clearance fit with the guide rod.

4. The elevating speaker mechanism as set forth in claim 1, wherein: and one side of the shell of the motor is provided with a limiting step for limiting the downward swinging position of the crank, the inner side of the crank is provided with a limiting bulge corresponding to the limiting step, and the limiting bulge is positioned above the limiting step.

5. The elevating speaker mechanism as recited in claim 1, wherein: the crank and the upper connecting arm are located on the same side of the lower connecting arm, an extending portion is arranged on the top portion of the lower connecting arm and extends upwards, and a stop block is arranged on the edge, corresponding to the extending portion, of the lower portion of the upper connecting arm.

6. The elevating speaker mechanism as set forth in claim 1, wherein: the upper connecting arm and the lower connecting arm are both of strip-shaped plate structures, and the butt joint positions are attached.

7. The elevating speaker mechanism as set forth in claim 1, wherein: the elastic clamping structure comprises an elastic clamp arranged on one connecting arm and a positioning hole and a buffer groove arranged on the other connecting arm, the positioning hole and the buffer groove are arranged adjacently, and the elastic clamp moves into the buffer groove from the positioning hole when being buffered by external force.

8. The elevating speaker mechanism as set forth in claim 7, wherein: and a hollow-out gap for weakening the elastic card is arranged on the connecting arm by the elastic card.

9. The elevating speaker mechanism as recited in claim 7, wherein: the end part of the elastic card is provided with an elastic card end part bulge.

10. The elevating speaker mechanism as recited in claim 9, wherein: the buffer slot is an arc-shaped slot, and a transition surface convenient for the elastic clamp to reset is arranged in the buffer slot close to the end of the positioning hole.