CN214205775U - Movable release meeting audio amplifier - Google Patents

Abstract

The application relates to a movable sound box for a conference, which belongs to the technical field of sound box structures for the conference, and comprises a base, a sound box body arranged on the base, an installation shaft arranged below the base and a moving wheel fixedly arranged on the installation shaft, wherein a lifting mechanism for driving the installation shaft to move close to or far away from one side of the base is arranged below the base; elevating system includes lifter, the slider of sliding connection on the base that articulates on the base, articulates the actuating lever on the slider and drives the driving piece that the slider removed, the one end and the installation axle fixed connection of base are kept away from to the lifter, and the driving piece can drive the slider and do the slip of keeping away from or being close to lifter and base pin joint one side. When the loudspeaker box is used, the supporting legs are supported on the ground, the contact area is large, the stability is high, when the loudspeaker box is moved, the lifting mechanism drives the moving wheels to be lowered, the moving wheels are supported on the ground, and the loudspeaker box is convenient to move.

Description

Movable release meeting audio amplifier

Technical Field

The application relates to the field of loudspeaker box structures for conference announcements, in particular to a movable loudspeaker box for conference announcements.

Background

In various product distribution meetings, sound boxes are needed to be used for diffusing sound, so that people participating in the distribution meetings can clearly hear the introduction about the products.

The audio amplifier position in the release meeting often needs carry out position adjustment according to the demand, and at present, there is the bottom of audio amplifier to have the removal wheel to the convenience removes the audio amplifier. However, in the use process of the sound box, the contact area between the moving wheel and the ground is small, and the stability of the sound box cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

In order to improve the stability in the audio amplifier use to make the audio amplifier be convenient for remove, this application provides a movable release meeting audio amplifier.

The application provides a movable publishes meeting audio amplifier adopts following technical scheme:

a movable sound box for a release meeting comprises a base, a sound box body arranged on the base, an installation shaft arranged below the base and a moving wheel fixedly arranged on the installation shaft, wherein a lifting mechanism for driving the installation shaft to move close to or far away from one side of the base is arranged below the base; elevating system includes lifter, the slider of sliding connection on the base that articulates on the base, articulates the actuating lever on the slider and drives the driving piece that the slider removed, the one end and the installation axle fixed connection of base are kept away from to the lifter, and the driving piece can drive the slider and do the slip of keeping away from or being close to lifter and base pin joint one side.

By adopting the technical scheme, when the sound box body is used, the supporting legs are supported on the ground, the contact area with the ground is large, and the stability is high; when moving the audio amplifier body, use elevating system to drive the installation axle and move down, remove the wheel and can move down thereupon, make and remove the wheel and replace landing leg and ground contact, promote the audio amplifier body this moment, can make and remove the wheel and roll on ground, reach the effect of being convenient for remove the audio amplifier. Wherein, using elevating system to make, making the slider do the slip that is close to lifter one side, contained angle between lifter and the actuating lever can diminish gradually, makes the lifter keep away from the one end of base apart from the distance grow gradually of base, realizes the reduction of installation axle and removal wheel height, otherwise makes the installation axle and removes the wheel height and rise, and overall structure is simple to use.

Optionally, the driving piece is a screw, the screw is rotatably connected to the base, and the screw is in threaded connection with the sliding block.

Through adopting above-mentioned technical scheme, rotate the screw rod and can drive the slider and remove, and the screw rod is connected and is had the auto-lock nature, makes to remove and is difficult for promoting the slider and slide on the screw rod by oneself after the wheel receives the reaction force.

Optionally, the lifting mechanism is provided with two lifting rods, two driving rods and two sliding blocks, the two lifting rods, the two driving rods and the two sliding blocks are respectively arranged on two sides of the axial direction of the mounting shaft, a linkage rod is fixedly arranged between the two sliding blocks, and the screw rod penetrates through the linkage rod and is in threaded connection with the linkage rod.

Through adopting above-mentioned technical scheme, the audio amplifier body pressure dispersion that the installation axle bore is on two lifter and actuating lever, increases the load that the installation axle can bear, improves overall structure's stability.

Optionally, the number of installation axle and actuating mechanism is two, and the both ends of installation axle all extend to the relative both edges of base and all rotate and be connected with the removal wheel, set firmly the connecting axle between two screw rods among two actuating mechanism.

Through adopting above-mentioned technical scheme, two epaxial removal wheels of installation support respectively in the many places of base to improve stability, rotate the screw rod among one of them actuating mechanism, can make another screw rod rotate in step through the connecting axle, make two installation axle synchronous lifting, make all removal wheels contact with ground or part simultaneously.

Optionally, a fixing frame is fixedly arranged at one end of the base, and a handle is arranged at the top of the fixing frame.

Through adopting above-mentioned technical scheme, the mount further provides the holding power for the audio amplifier body, improves stability, and the handle makes things convenient for workman's use for the workman provides handheld position.

Optionally, sliding connection has the crane on the mount, and the handle sets firmly on the crane, makes the handle can do the removal that is close to or keeps away from base one side.

Through adopting above-mentioned technical scheme, the removal of crane can change the height of handle, is applicable to the workman that need not be high and uses, also can make the workman adjust according to the custom of self.

Optionally, the handle is hinged to the lifting frame through a damping rotating shaft.

Through adopting above-mentioned technical scheme, the angle of handle and crane can be adjusted according to workman's demand, and can not improve the convenience that the workman used because of the whereabouts at self gravity.

Optionally, a non-slip mat is fixedly arranged at one end, far away from the base, of the supporting leg.

Through adopting above-mentioned technical scheme, the slipmat can increase the frictional force between landing leg and the ground, improves the stability of audio amplifier in the use.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the loudspeaker box is used, the supporting legs are supported on the ground, the contact area is large, the stability is high, and when the loudspeaker box is moved, the lifting mechanism drives the moving wheels to be lowered, so that the moving wheels are supported on the ground, and the loudspeaker box is convenient to move;

2. the lifting action of the mounting shaft is realized through the relative rotation of the lifting rod and the driving rod, the structure is simple, the use is realized, and the bearable load is higher;

3. the slider is driven to move in a screw rod rotating mode, and the self-locking performance of threaded connection enables the moving wheel to bear the reaction force, so that the slider is not easy to push to automatically and reversely slide, and the stability of the loudspeaker box in the moving process is ensured.

Drawings

Fig. 1 is a schematic structural diagram of a sound box in the embodiment of the present application.

Fig. 2 is a partial view showing a positional relationship between the support leg and the moving wheel under the base.

Fig. 3 is a partial sectional view showing the composition of the elevating mechanism.

Fig. 4 is a schematic structural view showing a structure of a fixing frame on the back side of a sound box body.

Fig. 5 is a partial exploded view showing a connection relationship between the crane and the fixed frame.

Fig. 6 is a partial sectional view showing the position of the support wheels during the tilting movement of the cabinet.

Fig. 7 is an enlarged view showing a portion a in fig. 6.

Fig. 8 is a sectional view showing a connection relationship between the guide post and the guide block.

Description of reference numerals: 1. a base; 2. a sound box body; 3. a support leg; 31. a non-slip mat; 4. a moving wheel; 41. installing a shaft; 5. a lifting mechanism; 51. a lifting rod; 52. a slider; 53. a drive rod; 54. a linkage rod; 55. a screw; 6. a connecting shaft; 61. a hand wheel; 7. a fixed mount; 71. a lifting frame; 72. a handle; 721. a damping rotating shaft; 8. a support bar; 81. a fixed shaft; 82. a buffer block; 83. an elastic block; 84. a guide sleeve; 9. a connecting rod; 91. a guide post; 911. cutting into a plain noodles; 92. and a guide block.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses a movable release meeting audio amplifier.

Referring to fig. 1, the sound box comprises a base 1 and a sound box body 2 arranged on the base 1, wherein a support leg 3 and a moving wheel 4 are arranged below the base 1, the support leg 3 is fixedly connected with the base 1, the moving wheel 4 is rotatably connected with the base 1, an elevating mechanism 5 is arranged between the base 1 and the moving wheel 4, and the elevating mechanism 5 is used for driving the moving wheel 4 to move close to or away from one side of the base 1. When the sound box is in use, the base 1 and the sound box body 2 are supported on the ground by the support legs 3, and the moving wheels 4 are positioned above the ground, so that the stability of the sound box in use is ensured; when the audio amplifier need remove, use elevating system 5 to reduce the height of removing wheel 4, after removing wheel 4 and ground contact, base 1 can be for removing 4 rebound of wheel, makes the high rising of audio amplifier, and landing leg 3 no longer contacts with ground to make the audio amplifier support subaerial through four removal wheels 4, make things convenient for the removal of audio amplifier.

Wherein, base 1 is the rectangular plate that the level was placed, and the shell bottom and the laminating of base 1 of audio amplifier body 2, and wear to be equipped with a plurality of bolts on the base 1, and bolt threaded connection is fixed audio amplifier body 2 and base 1 on the shell of audio amplifier body 2.

The quantity of landing leg 3 and the quantity of removing wheel 4 are four in this embodiment, and four landing legs 3 are located four extreme angle departments of base 1 respectively, and the bottom of each landing leg 3 has all set firmly slipmat 31, and slipmat 31 adopts the great rubber of hardness to make, and slipmat 31 plays skid-proof effect, improves the stability of audio amplifier body 2 when using.

The below of base 1 is equipped with two installation axles 41, and installation axle 41 sets up along the horizontal direction, and the axis of two installation axles 41 is parallel and the interval, and the both ends of each installation axle 41 all rotate and are connected with foretell removal wheel 4, make four removal wheels 4 be located four borders departments of base 1 respectively. The number of the lifting mechanisms 5 is two, the two lifting mechanisms 5 correspond to the two mounting shafts 41 one by one, and the lifting mechanisms 5 drive the corresponding mounting shafts 41 to move, so that the lifting function of the movable wheel 4 is realized, and the rotating function of the movable wheel 4 cannot be interfered.

The lifting mechanism 5 comprises a lifting rod 51 hinged on the base 1, a slider 52 arranged on the base 1 and a driving rod 53 arranged on the slider 52, the lifting rod 51 and the driving rod 53 are both arranged along the radial direction of the mounting shaft 41, and one end of the lifting rod 51 far away from the base 1 is fixedly connected with the mounting shaft 41; a dovetail block is fixedly arranged on the sliding block 52, a dovetail groove is formed in the base 1, and the dovetail block on the sliding block 52 is embedded in the dovetail groove on the base 1 to slide, so that the sliding block 52 can slide on one side, close to or far away from the base 1, of the base 1; one end of the driving rod 53 is hinged with the slider 52, and the other end is hinged with one side of the lifting rod 51 close to the mounting shaft 41; the lifting mechanism 5 further includes a driving member for moving the slider 52.

When the slider 52 moves to a side close to the lifting rod 51, the included angle formed by the driving rod 53 and the lifting rod 51 gradually decreases, so that one end of the lifting rod 51, which is far away from the base 1, gradually rotates downwards, thereby driving the mounting shaft 41 and the roller to move downwards, otherwise, when the slider 52 moves to a side far away from the lifting rod 51, the included angle formed by the driving rod 53 and the lifting rod 51 increases, the mounting shaft 41 and the roller move upwards, and thus the lifting function of the mounting shaft 41 and the roller is realized. The cooperation of lifter 51 and actuating lever 53 makes the pressure dispersion that will move wheel 4 and bear, makes the load that it can bear great, guarantees the stability of audio amplifier in the removal process.

In addition, the number of the lifting rods 51, the driving rods 53 and the sliders 52 in each lifting mechanism 5 is two, and the two lifting rods 51 are respectively located at two sides of the axial direction of the mounting shaft 41, so that the supporting force for the mounting shaft 41 is increased, and the load which can be borne by the mounting shaft 41 and the moving wheel 4 is increased. A linkage rod 54 is arranged between the two sliding blocks 52 in the same lifting mechanism 5, the linkage rod 54 is fixedly connected with the two sliding blocks 52, a driving piece is connected with the linkage rod 54, and the two sliding blocks 52 are synchronously driven to move through the linkage rod 54, so that the two ends of the mounting shaft 41 are uniformly stressed and synchronously lifted.

The driving piece is set to be a screw 55, the screw 55 is rotatably connected below the base 1, the screw 55 penetrates through the linkage rod 54 and is in threaded connection with the linkage rod, the linkage rod 54 can be moved by rotating the screw 55, the threaded connection has self-locking performance, and the sliding block 52 and the linkage rod 54 can not move automatically when the movable wheel 4 bears the pressure of the sound box body 2.

Two elevating system 5 symmetries are established on base 1, and screw rod 55 axis coincidence and screw thread among two elevating system 5 are turned around to opposite, are equipped with connecting axle 6 between two screw rods 55, and the both ends of connecting axle 6 respectively with two screw rod 55 fixed connection, and the one end that connecting axle 6 was kept away from to one of them screw rod 55 has set firmly hand wheel 61, rotates hand wheel 61 and can drive two elevating system 5 functions simultaneously, makes four synchronous lifts of removal wheel 4, and simple structure is practical.

The sound box also comprises a fixed frame 7 fixedly arranged on the base 1, a lifting frame 71 arranged on the fixed frame 7 and a handle 72 arranged on the lifting frame 71. Mount 7 is located the dorsal part of audio amplifier body 2, crane 71 is located one side that audio amplifier body 2 was kept away from to mount 7, mount 7 is used for increasing the joint strength between base 1 and the audio amplifier body 2, crane 71 can be on mount 7 and be the ascending slip of direction of height, make the height-adjustable of handle 72, the one end of handle 72 articulates on crane 71 through damping pivot 721, the staff can be according to the height and the angle of self demand adjustment handle 72, it is more convenient when making the staff promote the audio amplifier.

One side of the lifting frame 71 close to the fixed frame 7 is also fixedly provided with a dovetail block, a dovetail groove is also formed in the fixed frame 7, the dovetail groove in the fixed frame 7 is formed in the vertical direction, and the dovetail block in the lifting frame 71 is embedded into the dovetail groove in the fixed frame 7, so that the function that the lifting frame 71 slides on the fixed frame 7 in the vertical direction is realized.

In this embodiment, the lifting frame 71 and the fixing frame 7 are formed by two vertical straight rods and a plurality of horizontal straight rods welded between the two vertical straight rods, and the dovetail block and the dovetail groove are arranged on the vertical straight rods, so that the structure is simple, the strength is high, and the weight is light.

The mount 7 is equipped with the bracing piece 8 in the below of crane 71, and the one end that the mount 7 was kept away from to bracing piece 8 has set firmly fixed axle 82, and the axis of fixed axle 82 is parallel with the axis of removing wheel 4, and fixed axle 82 all rotates along self axial both ends to be connected with supporting wheel 81, and bracing piece 8 is located between two supporting wheel 81, and under the effect of two supporting wheel 81 gravity, bracing piece 8 is vertical downwardly extending's state.

When the staff makes the audio amplifier slope, the gravity of supporting wheel 81 makes bracing piece 8 keep vertical state, produces relative rotation between bracing piece 8 and the mount 7 promptly, until supporting wheel 81 and ground contact, the whole weight of audio amplifier body 2 was arranged in on being located two removal wheels 4 and two supporting wheels 81 at audio amplifier body 2 rear this moment to improve the stability behind the audio amplifier body 2 slope, reduce the pressure that the staff bore.

When the sound box body 2 inclines, the supporting wheel 81 contacts with the bottom surface to generate larger pressure, in order to reduce impact force and abrasion caused to the supporting wheel 81, a buffer block 83 is fixedly arranged at one end of the supporting rod 8 close to the fixing shaft 82, the fixing shaft 82 is fixedly arranged on the buffer block 83, an elastic block 84 is fixedly arranged between the buffer block 83 and the supporting rod 8, and the elastic block 84 is made of polyurethane material with smaller hardness. When the supporting wheel 81 contacts with the ground, the impact force received by the supporting wheel 81 is transmitted to the elastic block 84 through the buffer block 83, and the elastic block 84 is compressed by the force to absorb the impact force received by the supporting wheel 81, so that the abrasion of the supporting wheel 81 is reduced.

One end of the buffer block 83 close to the support rod 8 is further fixedly provided with a guide sleeve 85, the guide sleeve 85 extends towards one side of the support rod 8, the support rod 8 and the elastic block 84 are sleeved inside the guide sleeve, and the guide sleeve 85, the support rod 8 and the elastic block 84 are connected in a sliding mode. When the elastic block 84 deforms, the distance between the buffer block 83 and the support rod 8 changes, the guide sleeve 85 slides on the support rod 8 at the moment, the elastic block 84 can only deform in the guide sleeve 85, the deformation of the elastic block 84 and the movement of the buffer block 83 are guided, the deformation direction of the elastic block 84 is ensured to be along the axial direction of the support rod 8, and the elastic block 84 is favorable for recovering the initial state.

Still be equipped with connecting rod 9 between bracing piece 8 and the mount 7, the one end of connecting rod 9 is articulated with bracing piece 8, the other end is connected with mount 7, guide post 91 has set firmly on mount 7, guide post 91 sets up along vertical direction, the cover is equipped with guide block 92 rather than sliding connection on the guide post 91, the one end that bracing piece 8 was kept away from to connecting rod 9 is articulated with guide block 92, when 2 vertical places of audio amplifier body, bracing piece 8 is vertical state, guide block 92 is located the bottom of guide post 91 this moment, connecting rod 9 is folding between bracing piece 8 and mount 7.

After audio amplifier body 2 slopes, bracing piece 8 rotates, and it expandes to drive connecting rod 9 simultaneously, makes connecting rod 9 drive guide block 92 rebound, after guide block 92 moved the top of guide post 91, can't continue to remove, and connecting rod 9 and bracing piece 8 can't all continue to remove to restricted bracing piece 8's turned angle, make bracing piece 8 receive unable unrestricted rotation behind audio amplifier body 2's the pressure, further improved the stability of supporting audio amplifier body 2.

The circumferential surface of the guide post is provided with a vertical tangent plane 911, and the guide block 92 is matched with the guide post, so that the guide block 92 cannot rotate around the axis of the guide post, and the connecting rod 9 drives the guide block 92 to slide more smoothly.

The implementation principle of the movable sound box for the release meeting in the embodiment of the application is as follows: in the audio amplifier use, landing leg 3 and ground contact guarantee the stability in the audio amplifier use, when needing to remove the position of audio amplifier, use elevating system 5 to make and remove 4 decline supports on the bottom surface of wheel, make things convenient for the removal of audio amplifier. At audio amplifier removal in-process, when needing the audio amplifier slope to place, the articulated shaft rotates under the effect of supporting wheel 81, makes audio amplifier body 2 supported on two removal wheels 4 and two supporting wheels 81, improves the stability behind the 2 slopes of audio amplifier body, reduces the pressure that the staff bore, improves the practicality.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a movable release meeting audio amplifier which characterized in that: the loudspeaker comprises a base (1), a loudspeaker body (2) arranged on the base (1), supporting legs (3) arranged on the base (1), a mounting shaft (41) arranged below the base (1) and a moving wheel (4) fixedly arranged on the mounting shaft (41), wherein a lifting mechanism (5) for driving the mounting shaft (41) to move close to or far away from one side of the base (1) is arranged below the base (1);

elevating system (5) including articulate lifter (51) on base (1), slider (52) on base (1), articulate actuating lever (53) on slider (52) and drive the driving piece that slider (52) removed, the one end and installation axle (41) fixed connection of base (1) are kept away from to lifter (51), and the driving piece can drive slider (52) and do the slip of keeping away from or being close to lifter (51) and base (1) pin joint one side.

2. A movable conference sound box according to claim 1, characterized in that: the driving piece is arranged as a screw rod (55), the screw rod (55) is rotatably connected to the base (1), and the screw rod (55) is in threaded connection with the sliding block (52).

3. A movable conference sound box according to claim 2, characterized in that: the lifting mechanism (5) is provided with two lifting rods (51), two driving rods (53) and two sliding blocks (52), the two lifting rods (51), the two driving rods (53) and the two sliding blocks (52) are respectively arranged on two axial sides of the mounting shaft (41), a linkage rod (54) is fixedly arranged between the two sliding blocks (52), and a screw rod (55) penetrates through the linkage rod (54) and is in threaded connection with the linkage rod (54).

4. A movable conference sound box according to claim 3, characterized in that: installation axle (41) and actuating mechanism's quantity is two, and the both ends of installation axle (41) all extend to two relative borders of base (1) and all rotate and be connected with remove wheel (4), have set firmly connecting axle (6) between two screw rods (55) in two actuating mechanism.

5. A portable conference loudspeaker according to any one of claims 1-4, wherein: one end of the base (1) is fixedly provided with a fixing frame (7), and the top of the fixing frame (7) is provided with a handle (72).

6. A movable conference sound box according to claim 5, characterized in that: the fixed frame (7) is connected with a lifting frame (71) in a sliding mode, the handle (72) is fixedly arranged on the lifting frame (71), and the handle (72) can move close to or far away from one side of the base (1).

7. A movable conference sound box according to claim 6, characterized in that: the handle (72) is hinged on the lifting frame (71) through a damping rotating shaft (721).

8. A movable conference sound box according to claim 1, characterized in that: and an anti-skid pad (31) is fixedly arranged at one end of the supporting leg (3) far away from the base (1).

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