CN214205776U - Publishing meeting sound box convenient to move - Google Patents

Abstract

The application relates to a conveniently-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, and a plurality of movable wheels rotatably connected below the base; the one end of base still sets firmly the mount, and articulated on the mount have the bracing piece, and the bracing piece is kept away from the one end of mount and is rotated and be connected with the supporting wheel, and all removal wheels and supporting wheel axis all are parallel to each other. In the process of the inclined movement of the loudspeaker box, the supporting wheels and the supporting rods are rotated out, so that the supporting wheels are supported on the ground, the weight of the loudspeaker box body is dispersed on the moving wheels and the supporting wheels which are supported on the bottom surface, the pressure of the loudspeaker box body on workers is reduced, and the convenience and the safety of the workers in moving the loudspeaker box are improved.

Description

Publishing meeting sound box convenient to move

Technical Field

The application relates to the field of loudspeaker box structures for conference announcements, in particular to a loudspeaker box for conference announcements, which is convenient to move.

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. In the moving process of the sound box, because the height of the sound box is higher, when the sound box meets a passage with a lower height, the sound box needs to be placed obliquely and then moved, most of the gravity of the sound box is supported by workers, the labor intensity of the workers is higher, and the safety is lower.

SUMMERY OF THE UTILITY MODEL

In order to improve convenience and security when workman removes the audio amplifier, this application provides a release meeting audio amplifier convenient to remove.

The application provides a release meeting audio amplifier convenient to remove adopts following technical scheme:

a conveniently-movable sound box for a publishing party comprises a base, a sound box body arranged on the base and a plurality of movable wheels rotatably connected below the base; the one end of base still sets firmly the mount, and articulated on the mount have the bracing piece, and the bracing piece is kept away from the one end of mount and is rotated and be connected with the supporting wheel, and all removal wheels and supporting wheel axis all are parallel to each other.

Through adopting above-mentioned technical scheme, when the in-process that removes the audio amplifier needs to make its tilting motion, with the audio amplifier body in order to be close to the removal wheel axis rotation slope of mount one side, base and mount all can incline, the bracing piece keeps vertical state under the action of gravity of supporting wheel, the bracing piece can rotate for the mount promptly, make the supporting wheel to keeping away from the direction of mount and remove, until supporting wheel and ground contact, thereby make most pressure of audio amplifier body dispersed support on subaerial removal wheel and supporting wheel, with this pressure to the workman after reducing the audio amplifier body slope, convenience and security when improving the workman and removing the audio amplifier.

Optionally, the one end that the mount was kept away from to the bracing piece is equipped with the buffer block, and the supporting wheel rotates to be connected at the buffer block, has set firmly the elastic block between bracing piece and the buffer block.

Through adopting above-mentioned technical scheme, when supporting wheel and ground contact, can receive the reaction force on ground, the buffer block can compress the elastic block this moment, makes the buffer block move to bracing piece one side to reduce the impact force that the supporting wheel bore, improve the life of supporting wheel.

Optionally, the buffer block is fixedly provided with a guide sleeve, the support rod penetrates through the guide sleeve and is in sliding connection with the guide sleeve, and the elastic block is arranged on the inner side of the guide sleeve.

Through adopting above-mentioned technical scheme, when the buffer block removed, the guide sleeve slided on the bracing piece to play the guide effect for arranging the deformation of the inboard buffer block of guide sleeve in, make elasticity piece non-deformable.

Optionally, a connecting rod is arranged between the supporting rod and the fixing frame, a guide block capable of sliding in the vertical direction is arranged on the fixing frame, one end of the connecting rod is hinged to one side, close to the supporting wheel, of the supporting rod, and the other end of the connecting rod is connected with the guide block in a sliding mode.

Through adopting above-mentioned technical scheme, when the bracing piece rotated, can drive the connecting rod and remove to make the guide block slide on the mount, the pressure that the dispersible bracing piece of connecting rod bore improves structural stability, can also restrict the rotation range of bracing piece through the displacement of guide block, makes the bracing piece can't too big and remove because of the pressure of audio amplifier body.

Optionally, a guide post is fixedly arranged on the fixing frame, a plain section is arranged on the guide post, and the guide post penetrates through the guide block and is connected with the guide block in a sliding manner.

Through adopting above-mentioned technical scheme, the tangent plane can restrict the relative rotation of guide block and guide post, makes the guide block can only remove along the length direction of guide post, makes the removal of connecting rod more smooth and easy.

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. in the process that a worker tilts and moves the sound box body, the supporting wheels and the supporting rods are rotated out, so that the supporting wheels are supported on the ground, the weight of the sound box body is dispersed on the moving wheels and the supporting wheels which are supported on the bottom surface, the pressure of the sound box body on the worker is reduced, and the convenience and the safety are improved;

2. an elastic block is arranged between the supporting wheel and the supporting rod, and when the supporting wheel is contacted with the ground, the elastic block absorbs the impact force of the ground on the supporting wheel through the elastic deformation of the elastic block, so that the service life of the supporting wheel is prolonged;

3. the connecting rod between bracing piece and the mount can increase the structural strength between bracing piece and the mount, also plays limiting displacement for the rotation range of bracing piece, improves overall structure's stability.

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 support wheel; 82. a fixed shaft; 83. a buffer block; 84. an elastic block; 85. 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 release meeting audio amplifier convenient to remove.

Referring to fig. 1 and 2, 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.

Referring to fig. 1 and 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.

Referring to fig. 1 and 2, two mounting shafts 41 are disposed below the base 1, the mounting shafts 41 are disposed along a horizontal direction, axes of the two mounting shafts 41 are parallel and spaced apart, and the moving wheels 4 are rotatably connected to two ends of each mounting shaft 41, so that the four moving wheels 4 are respectively located at four edges of the base 1. 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.

Referring to fig. 2 and 3, the lifting mechanism 5 includes 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.

Further, referring to fig. 2, 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 both sides of the mounting shaft 41 in the axial direction, so that the supporting force for the mounting shaft 41 is increased, and the load that 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.

Referring to fig. 2 and 3, the driving member is 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, and the threaded connection has self-locking performance, so that the sliding block 52 and the linkage rod 54 cannot move automatically when the moving wheel 4 bears the pressure of the sound box body 2.

Referring to fig. 2, two elevating system 5 symmetries are established on base 1, and screw 55 axis coincidence and screw thread among two elevating system 5 are turned around to the 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 remove wheel 4 and go up and down in step, and simple structure is practical.

Referring to fig. 4 and 5, the sound box further includes a fixing frame 7 fixed on the base 1, a lifting frame 71 provided on the fixing frame 7, and a handle 72 provided 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.

Referring to fig. 5, a dovetail block is also fixedly arranged on one side of the lifting frame 71 close to the fixed frame 7, 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 on the lifting frame 71 is embedded in 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.

Referring to fig. 4 and 6, the support rod 8 is arranged below the lifting frame 71 of the fixing frame 7, the fixing shaft 82 is fixedly arranged at one end of the support rod 8 far away from the fixing frame 7, the axis of the fixing shaft 82 is parallel to the axis of the movable wheel 4, the fixing shaft 82 is rotatably connected with the support wheels 81 at two axial ends of the fixing shaft 82, the support rod 8 is located between the two support wheels 81, and the support rod 8 is in a vertical downward extending state under the action of the gravity of the two support wheels 81.

Referring to fig. 6, when the speaker is tilted by the staff, the support rod 8 is kept in a vertical state by the gravity of the support wheel 81, that is, the support rod 8 and the fixing frame 7 rotate relatively until the support wheel 81 contacts the ground, and at this time, the whole weight of the speaker body 2 is placed on the two movable wheels 4 and the two support wheels 81 located behind the speaker body 2, so that the stability of the speaker body 2 after being tilted is improved, and the pressure born by the staff is reduced.

Referring to fig. 6 and 7, when the speaker body 2 tilts, the supporting wheel 81 contacts the bottom surface to generate a large pressure, in order to reduce the impact force and wear on the supporting wheel 81, a buffer block 83 is fixedly arranged at one end of the supporting rod 8 close to the fixed shaft 82, the fixed 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 small 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.

Referring to fig. 7, a guide sleeve 85 is further fixedly disposed at one end of the buffer block 83 close to the support rod 8, and the guide sleeve 85 extends towards one side of the support rod 8, so that the support rod 8 and the elastic block 84 are both sleeved inside the guide sleeve, and the guide sleeve 85, the support rod 8 and the elastic block 84 are all connected in a sliding manner. 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.

Referring to fig. 6, still be equipped with connecting rod 9 between bracing piece 8 and the mount 7, the one end and the bracing piece 8 of connecting rod 9 are articulated, 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 audio amplifier body 2 was vertically placed, 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.

Referring to fig. 6 and 8, a vertical tangent plane 911 is formed on the circumferential surface of the guide post, 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 sound box of the release meeting convenient to move 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 release meeting audio amplifier convenient to remove which characterized in that: comprises a base (1), a sound box body (2) arranged on the base (1), supporting legs (3) arranged on the base (1), and a plurality of moving wheels (4) rotatably connected below the base (1); one end of the base (1) is further fixedly provided with a fixing frame (7), a supporting rod (8) is hinged to the fixing frame (7), one end, far away from the fixing frame (7), of the supporting rod (8) is rotatably connected with a supporting wheel (81), and the axes of all the moving wheels (4) and the supporting wheel (81) are parallel to each other.

2. A portable conference box according to claim 1, wherein: one end of the support rod (8) far away from the fixing frame (7) is provided with a buffer block (83), the support wheel (81) is rotatably connected to the buffer block (83), and an elastic block (84) is fixedly arranged between the support rod (8) and the buffer block (83).

3. A portable conference box according to claim 2, wherein: the buffer block (83) is fixedly provided with a guide sleeve (85), the support rod (8) is arranged in the guide sleeve (85) in a penetrating mode and is in sliding connection with the guide sleeve, and the elastic block (84) is arranged on the inner side of the guide sleeve (85).

4. A portable conference box according to claim 1, wherein: be equipped with connecting rod (9) between bracing piece (8) and mount (7), be equipped with guide block (92) that can slide on vertical direction on mount (7), one end and bracing piece (8) of connecting rod (9) are close to one side of supporting wheel (81) articulated, the other end and guide block (92) sliding connection.

5. A portable conference box according to claim 4, wherein: the fixed frame (7) is fixedly provided with a guide post (91), the guide post (91) is provided with a plain end surface (911), and the guide post (91) penetrates through the guide block (92) to be connected with the guide block in a sliding manner.

6. A portable conference box according to claim 5, wherein: 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 portable conference box according to claim 6, wherein: the handle (72) is hinged on the lifting frame (71) through a damping rotating shaft (721).

8. A portable conference box according to claim 1, wherein: 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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