CN214799808U

CN214799808U - Elevating system and projecting apparatus qxcomm technology audio amplifier operating system

Info

Publication number: CN214799808U
Application number: CN202121494238.6U
Authority: CN
Inventors: 张哲�
Original assignee: Yibin Jimi Photoelectric Co Ltd
Current assignee: Yibin Jimi Photoelectric Co Ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-11-19
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a lifting mechanism and a projector omnidirectional loudspeaker box lifting system, which comprises a power source, a lifting base, a rotating body and a lifting body; the lifting base is provided with a supporting cylinder matched with a rotating body, the supporting cylinder is perpendicular to the lifting base, the rotating body is sleeved on the supporting cylinder, the lifting body is arranged in the supporting cylinder, the lifting body is provided with a lifting rod, the rotating body is provided with an oblique hole, the supporting cylinder is provided with a vertical guide hole, the lifting rod penetrates through the oblique hole and the guide hole, and the power source is meshed with the bottom of the supporting cylinder through a gear; according to the scheme, the lifting body can be finely adjusted in a lifting manner through simple structural combination, and the scheme is simple in structure, low in cost, stable in function and simple to maintain; through this scheme, can carry out high efficiency's regulation to the projecting apparatus audio amplifier when using to can carry out the fine setting of angle fast behind the altitude mixture control, convenience when guaranteeing to use.

Description

Elevating system and projecting apparatus qxcomm technology audio amplifier operating system

Technical Field

The utility model relates to a elevating system field especially relates to an elevating system and projecting apparatus omnidirectional loudspeaker box operating system.

Background

Since the projector is a portable image projecting device, the placement position of the projector is not fixed, and the effect of the sound box cannot be fully exerted. And loudspeakers have a problem of directivity, which is the ability to characterize a loudspeaker to radiate sound waves in different directions, usually in relation to frequency. The lower the frequency, the longer the wavelength, the much smaller the effective length of the radiating surface of the loudspeaker than the wavelength of the radiated sound wave, at which point the loudspeaker can be considered as a point source, the radiated sound wave of which is non-directional; the higher the frequency, the shorter the wavelength. When the wavelength is comparable to the effective angle of the radiating surface, the sound waves radiated from the speaker will exhibit significant directivity due to the diffraction and interference characteristics of the sound waves.

The higher the frequency, the stronger the directivity; the higher the frequency component is, the faster the attenuation is, with the same deflection angle; the larger the deflection angle is, the closer the distance which can feel the same sound pressure is; the higher the sound box frequency is, the smaller the coverage angle is; therefore, the treble system has no way to meet the requirements of various angles due to the small coverage area.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the scheme provides a lifting mechanism and a projector omnidirectional sound box lifting system; the problems that the whole of the existing omnidirectional loudspeaker box system is inconvenient to adjust, the audio coverage range cannot be adjusted, the lifting mechanism is complex and the like are solved.

In order to exert the effect of a sound box system, a lifting type omnidirectional sound box system is needed, the omnidirectional tweeter system is hidden in a machine while the appearance of the machine is ensured, the omnidirectional tweeter system is lifted out of the machine when the machine is used, and the effect of the sound box of the machine can be ensured while the appearance is ensured.

The scheme is realized as follows:

a lifting mechanism comprises a power source, a lifting base, a rotating body and a lifting body; the lifting mechanism is characterized in that a supporting cylinder matched with the rotating body is arranged on the lifting base, the supporting cylinder is perpendicular to the lifting base, the rotating body is sleeved on the supporting cylinder, the lifting body is arranged inside the supporting cylinder, a lifting rod is arranged on the lifting body, an inclined hole is formed in the rotating body, a vertical guide hole is formed in the supporting cylinder, the lifting rod penetrates through the inclined hole and the guide hole, and the power source is meshed with the bottom of the supporting cylinder through a gear.

Based on the structure of the lifting mechanism, the power source comprises a rotating motor and a rotating gear; the rotating gear is connected with an output shaft of the rotating motor.

Based on above-mentioned elevating system's structure, the rotor is both ends open-ended tubular structure, the rotor bottom is provided with the toothed disc, the toothed disc meshes with the running gear.

Based on above-mentioned elevating system's structure, be provided with 2 at least slant holes on the rotor, many slant holes evenly set up along the circumference of rotor.

Based on the structure of the lifting mechanism, at least 2 guide holes are formed in the supporting cylinder and are arranged along the length direction of the supporting cylinder, and the number of the guide holes is the same as that of the inclined holes.

Based on the structure of the lifting mechanism, the lifting body can freely move in the supporting barrel, the number of the lifting rods is at least 2, and the lifting rods penetrate through the inclined holes and the guide holes.

The scheme also provides an omnidirectional loudspeaker box lifting system of the projector; the system comprises a lifting mechanism, a fine adjustment mechanism and an omnidirectional loudspeaker box system; the fine adjustment structure is arranged in the lifting body, and the omnidirectional loudspeaker box system is connected with the lifting mechanism through the fine adjustment mechanism.

Based on above-mentioned projecting apparatus omnidirectional audio amplifier operating system structure, fine setting mechanism includes fine setting chamber and damping pivot, damping pivot one end sets up in the fine setting chamber, and one end and omnidirectional audio amplifier system contact.

Based on the omnidirectional loudspeaker box lifting system structure of the projector, the damping rotating shaft comprises an upper bearing surface, a lower bearing surface and a supporting shaft; the supporting shaft is arranged between the upper bearing surface and the lower bearing surface, and the lower bearing surface is matched with the micro-adjusting cavity in shape.

Based on the omnidirectional loudspeaker box lifting system structure of the projector, the omnidirectional high pitch loudspeaker box system comprises a loudspeaker box support and a high pitch loudspeaker; the loudspeaker evenly sets up on audio amplifier support is all around, the audio amplifier support lower extreme is provided with the connection chamber, connect chamber and upper portion and accept facial features looks adaptation.

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

1. through simple structure combination, can be meticulous carry out lift adjustment to the body that goes up and down in this scheme, this scheme simple structure, low cost, the function is stable, maintains simply.

2. Through this scheme, can carry out high efficiency's regulation to the projecting apparatus audio amplifier when using to can carry out the fine setting of angle fast behind the altitude mixture control, convenience when guaranteeing to use.

Drawings

FIG. 1 is a schematic view of the overall vertical section structure of the scheme;

FIG. 2 is a schematic diagram of the overall transverse section structure of the present solution;

FIG. 3 is a schematic diagram of the position structure of the support cylinder in the present scheme;

FIG. 4 is a schematic structural view of the sound box of the present invention at the lowest position;

FIG. 5 is a schematic structural view of the sound box of the present invention at the highest position;

in the figure: 1. a power source; 2. a lifting base; 3. a rotating body; 4. a lifting body; 11. rotating the motor; 12. a rotating gear; 21. a support cylinder; 22. a guide hole; 23. a gear plate; 31. an oblique hole; 41. a lifting rod; 51. a fine tuning cavity; 52. a damping rotating shaft; 53. an upper receiving surface; 54. a lower bearing surface; 55. a support shaft; 56. a sound box bracket; 57. a tweeter; 58. a connecting cavity.

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.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

Referring to fig. 1 to 3, the present invention provides a technical solution:

a lifting mechanism comprises a power source 1, a lifting base 2, a rotating body 3 and a lifting body 4; be provided with the support section of thick bamboo 21 with 3 looks adaptations of rotor on the lifting pedestal 2, support section of thick bamboo 21 perpendicular to lifting pedestal 2 and set up, 3 covers of rotor are established on supporting section of thick bamboo 21, the setting of the body 4 that goes up and down is inside supporting section of thick bamboo 21, be provided with lifter 41 on the body 4 that goes up and down, be provided with slant hole 31 on the rotor 3, be provided with perpendicular guiding hole 22 on the support section of thick bamboo 21, lifter 41 runs through slant hole 31 and guiding hole 22 setting, power supply 1 passes through gear engagement with support section of thick bamboo 21 bottom.

Based on the above structure, the rotating body 3 is driven to rotate by the power source 1, so that the lifting rod 41 is forced to move in the vertical direction.

The power source 1 comprises a rotating motor 11 and a rotating gear 12; the rotating gear 12 is connected with an output shaft of the rotating motor 11.

Rotor 3 is both ends open-ended tubular structure, 3 bottoms of rotor are provided with toothed disc 23, toothed disc 23 and the meshing of running gear 12, through the rotation of rotating motor 11, drive the commentaries on classics barrel and carry out clockwise or anticlockwise rotation.

The rotating body 3 is provided with at least 2 oblique holes 31, the oblique holes 31 are uniformly arranged along the circumferential direction of the rotating body 3, and the direction of the oblique holes 31 is upwards or downwards arranged from one end to the other end of the rotating body 3;

the supporting cylinder 21 is provided with at least 2 guide holes 22, the guide holes 22 are arranged along the length direction of the supporting cylinder 21, and the number of the guide holes 22 is the same as that of the inclined holes 31.

The lifting body 4 can freely move in the supporting cylinder 21, and the shape of the lifting body is not particularly limited; the lifting body 4 is cylindrical in this embodiment, the number of the lifting rods 41 is at least 2, and the lifting rods 41 penetrate through the inclined holes 31 and the guide holes 22 to form a group of lifting units;

when the rotating body 3 rotates, because the lifting rod 41 is simultaneously positioned in the inclined hole 31 and the guide hole 22, the guide hole 22 forces the lifting rod 41 to move only in the length direction of the supporting cylinder 21, and the inclined hole 31 provides a force parallel to the length direction of the supporting cylinder 21 during the movement process to move the lifting rod 41, taking the structure in fig. 1 as an example, when the rotating body 3 rotates counterclockwise, the lifting body 4 descends; when the rotor 3 rotates clockwise, the elevating body 4 ascends.

This scheme is through simple structure combination, can be meticulous carry out the lift regulation to the lifting body 4, this scheme simple structure, low cost, the stable function, it is simple to maintain, is fit for most of small household appliances field.

Example 2

As shown in fig. 4 to 5, based on the foregoing embodiments, the present embodiment provides an omnidirectional loudspeaker box lifting system for a projector; the system comprises the lifting mechanism, the fine adjustment mechanism and the omnidirectional loudspeaker box system in the embodiment 1; the fine adjustment structure is arranged in the lifting body 4, and the omnidirectional loudspeaker box system is connected with the lifting mechanism through the fine adjustment mechanism;

based on above-mentioned structure, can finely tune the angle of qxcomm technology audio amplifier system through fine-tuning, satisfy when going up and down to qxcomm technology audio amplifier system, can also carry out slight regulation.

The fine tuning mechanism comprises a fine tuning cavity 51 and a damping rotating shaft 52, wherein one end of the damping rotating shaft 52 is arranged in the fine tuning cavity 51, and the other end of the damping rotating shaft is in contact with the omnidirectional loudspeaker box system; the omnidirectional loudspeaker box system is connected to the damping rotating shaft 52;

the damping rotating shaft 52 comprises an upper bearing surface 53, a lower bearing surface 54 and a supporting shaft 55; the support shaft 55 is arranged between the upper receiving surface 53 and the lower receiving surface 54, and the shape of the lower receiving surface 54 is matched with that of the fine adjustment cavity 51, so that the lower receiving surface 54 can be stably fixed in the fine adjustment cavity 51;

the shape of the upper bearing surface 53 is matched with the bottom cavity structure of the omnidirectional loudspeaker box system, so that the upper bearing surface 53 can stably bear the omnidirectional loudspeaker box system;

the area of the lower bearing surface 54 is not smaller than that of the upper bearing surface 53, so that the overall bearing stability is better;

the omnidirectional tweeter system includes a speaker support 56 and a tweeter 57; loudspeaker 57 evenly sets up around audio amplifier support 56, increases loudspeaker 57 according to the actual demand and sets up the quantity, fixes 3 ~ 4 loudspeaker 57 on the support, if simple increase loudspeaker quantity, can seriously influence the cost. And the increase of the number of the sound boxes can cause the increase of the volume and influence the internal size of the machine.

The lower end of the sound box support 56 is provided with a connecting cavity 58, the connecting cavity 58 is matched with the upper bearing surface 53 in shape, and the sound box support 56 is flexibly connected with the lifting assembly through the connecting cavity 58.

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. A kind of lifting gearing, its characterized in that: comprises a power source, a lifting base, a rotating body and a lifting body; the lifting mechanism is characterized in that a supporting cylinder matched with the rotating body is arranged on the lifting base, the supporting cylinder is perpendicular to the lifting base, the rotating body is sleeved on the supporting cylinder, the lifting body is arranged inside the supporting cylinder, a lifting rod is arranged on the lifting body, an inclined hole is formed in the rotating body, a vertical guide hole is formed in the supporting cylinder, the lifting rod penetrates through the inclined hole and the guide hole, and the power source is meshed with the bottom of the supporting cylinder through a gear.

2. A lifting mechanism as claimed in claim 1, wherein: the power source comprises a rotating motor and a rotating gear; the rotating gear is connected with an output shaft of the rotating motor.

3. A lifting mechanism as claimed in claim 2, wherein: the rotor is both ends open-ended tubular structure, the rotor bottom is provided with the toothed disc, the toothed disc meshes with the running gear.

4. A lifting mechanism as claimed in claim 3, wherein: at least 2 oblique holes are formed in the rotating body, and the oblique holes are evenly formed in the circumferential direction of the rotating body.

5. A lifting mechanism according to claim 4, characterised in that: the support cylinder is provided with at least 2 guide holes, the guide holes are arranged along the length direction of the support cylinder, and the number of the guide holes is the same as that of the inclined holes.

6. A lifting mechanism as claimed in claim 5, wherein: the lifting body can freely move in the supporting cylinder, the number of the lifting rods is at least 2, and the lifting rods penetrate through the inclined holes and the guide holes.

7. A projector omnidirectional sound box lifting system; the method is characterized in that: the loudspeaker comprises a lifting mechanism, a fine adjustment mechanism and an omnidirectional loudspeaker box system according to any one of claims 1 to 6; the fine adjustment mechanism is arranged in the lifting body, and the omnidirectional loudspeaker box system is connected with the lifting mechanism through the fine adjustment mechanism.

8. The projector omnidirectional sound box lifting system according to claim 7, wherein: the fine tuning mechanism comprises a fine tuning cavity and a damping rotating shaft, wherein one end of the damping rotating shaft is arranged in the fine tuning cavity, and the other end of the damping rotating shaft is in contact with the omnidirectional loudspeaker box system.

9. The projector omnidirectional loudspeaker box lifting system according to claim 8, wherein: the damping rotating shaft comprises an upper bearing surface, a lower bearing surface and a supporting shaft; the supporting shaft is arranged between the upper bearing surface and the lower bearing surface, and the lower bearing surface is matched with the micro-adjusting cavity in shape.

10. The projector omnidirectional loudspeaker box lifting system according to claim 9, wherein: the omnidirectional high pitch sound box system comprises a sound box bracket and a high pitch loudspeaker; the loudspeaker evenly sets up on audio amplifier support is all around, the audio amplifier support lower extreme is provided with the connection chamber, connect chamber and upper portion and accept facial features looks adaptation.