Portable broadcast loudspeaker box

Abstract

The utility model discloses a portable broadcast sound box, which comprises a base and a sound box body, two groups of foot supports and two groups of walking wheels are respectively arranged at the bottom of the base close to the outermost side, the two groups of foot supports and the two groups of walking wheels are arranged in parallel, and a protective shell is arranged on the side surface of the sound box body. According to the utility model, the clamping groove, the movable clamping assembly, the pull rod and the pull groove are arranged, the movable clamping assembly is used for clamping the handle in the clamping groove to position the handle, so that the handle is used as a lifting handle, the sound box body can be lifted to move by lifting the handle, and when the sound box needs to be consigned, the movable clamping assembly is manually pressed to be separated from the clamping groove; in this way, the pull rod can be stretched by pulling the handle upwards, so that the handle and the pull rod form a luggage supporting rod, the loudspeaker box body is consigned, and the handle and the supporting rod are combined. The problem that a handle and a pull rod on a broadcast sound box in the prior art are independently designed, so that the cost is increased, the integration level is low, and the use is not convenient enough is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of speakers, in particular to a portable broadcasting speaker. Background Art

[0002] A broadcast speaker is a speaker device specifically used for public broadcasting. This device mainly converts audio signals into sound, then amplifies the sound over a large range, and broadcasts notifications such as music and information over a large area. Therefore, it is widely used in schools, factories, shopping malls, and airports. With the increase in outdoor activities, it is also used to play music for square dancing.

[0003] Square dancing is usually performed in the morning and evening, and the radio speakers need to be moved to a suitable square for placement. In order to facilitate dragging and carrying of the radio speakers, pull rods and handles are set on the radio speakers. Although this separate design can achieve the functions of hand-carrying and checked transportation, its separate design not only increases the cost, but also has a low degree of integration and is not convenient to use.

[0004] Therefore, how to provide a portable broadcast speaker is a problem that those skilled in the art need to solve urgently. Utility Model Content

[0005] One purpose of the present invention is to provide a portable broadcast speaker, which solves the problem in the prior art that the handle and the pull rod on the broadcast speaker are designed separately, which not only increases the cost but also makes the integration low and causes inconvenience in use.

[0006] According to an embodiment of the utility model, a portable broadcast speaker includes a base and a speaker body, two sets of foot supports and two sets of running wheels are respectively provided at the bottom of the base near the outermost position, the two sets of foot supports and the two sets of running wheels are arranged parallel to each other, a protective shell is provided on the side of the speaker body, a pull groove is opened on the protective shell, a pull rod is movable inside the pull groove, a handle is provided on the top of the pull rod, the handle is located directly above the speaker body, an active card assembly is provided on the handle, a card slot is opened on the top of the speaker body, the active card assembly includes a card rod, and the card rod is movably connected to the inside of the card slot.

[0007] There are two groups of pull grooves, which are symmetrically arranged on the protective shell. The number and positions of the pull rods match the number and positions of the pull grooves.

[0008] The protective shell is provided with a receiving slot, a movable protective plate is provided inside the receiving slot, one end of the movable protective plate is located outside the receiving slot, and magnets are provided on one end of the movable protective plate located outside the receiving slot and the other end of the protective shell.

[0009] The movable card assembly also includes a limit slot, a pressing slot, a connecting rod, a positioning plate, a spring member, an inclined extrusion block and an inclined pressing block. The limit slot is opened at the bottom of the handle, the pressing slot is opened at the top of the handle and is interconnected with the limit slot, the positioning plate is fixed inside the limit slot near the card rod, the connecting rod is fixed to the end face of the card rod located inside the limit slot, the other end of the connecting rod passes through the positioning plate and extends to the other side of the positioning plate, the inclined extrusion block is fixed to the end of the connecting rod away from the card rod, the spring member is movably sleeved on the surface of the connecting rod, and one end of the spring member is attached to the positioning plate, and the other end of the spring member is attached to the inclined extrusion block, the inclined pressing block moves above the inclined extrusion block, and the inclined pressing block moves inside the limit slot, and the bottom end of the inclined pressing block moves inside the pressing slot.

[0010] The top of the inclined pressing block is designed as a convex, and the convex moves inside the pressing groove, and the shape of the clamping rod is "L" type.

[0011] The number of the clamping rod, connecting rod, positioning plate, spring member and inclined surface extrusion block is two groups, and the two groups of clamping rod, connecting rod, positioning plate, spring member and inclined surface extrusion block are axially symmetrically arranged with the symmetry axis of the handle as the symmetry axis.

[0012] The beneficial effects of the utility model are:

[0013] By setting a card slot, an active card assembly, a pull rod and a pull slot, the active card assembly is used to clamp the handle in the card slot to position the handle, so that the handle can be used as a carrying handle, and the speaker body can be lifted and moved by the carrying handle. When it needs to be checked in, the active card assembly is manually pressed to separate it from the card slot, so that the handle can be pulled upward to stretch the pull rod, so that the handle and the pull rod form a luggage support rod, thereby realizing the check-in of the speaker body and combining the handle and the support rod, which solves the problem in the prior art that the handle and pull rod on the broadcast speaker are designed separately, which not only increases the cost but also makes its integration low, resulting in inconvenience in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 This is an overall three-dimensional flow chart of a portable broadcasting speaker proposed by the utility model.

[0016] Figure 2 The utility model is a cross-sectional three-dimensional flow chart of the position of the movable card component in the portable broadcasting speaker.

[0017] Figure 3This is a cross-sectional three-dimensional flow chart from the other side showing the position of the active card assembly in the portable broadcasting speaker proposed by the present invention.

[0018] Figure 4 This is a cross-sectional three-dimensional flow chart of the position of the movable protective plate in the portable broadcast speaker proposed by the utility model.

[0019] The attached figure indicates: 1. base; 2. speaker body; 3. foot support; 4. walking wheel; 5. protective shell; 6. pull groove; 7. pull rod; 8. handle; 9. movable card assembly; 10. card slot; 11. card rod; 12. storage slot; 13. movable protective plate; 14. magnet; 15. limit slot; 16. press slot; 17. connecting rod; 18. positioning plate; 19. spring part; 20. inclined extrusion block; 21. inclined press block. DETAILED DESCRIPTION

[0020] The present invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic diagrams that illustrate the basic structure of the present invention in a schematic manner.

[0021] Example 1

[0022] refer to Figure 1 and Figure 4 , including a base 1 and a speaker body 2, the base 1 is disc-shaped, and the speaker body 2 is cylindrical. Such a circular appearance is convenient for carrying and placing. Two sets of foot supports 3 and two sets of walking wheels 4 are respectively provided at the bottom of the base 1 near the outermost position. When checking in, the speaker body 2 is tilted by the handle 8 and the pull rod 7, and the speaker body 2 is walked by the two sets of walking wheels 4, so that the speaker body 2 is easy to move. The two sets of foot supports 3 and the two sets of walking wheels 4 are arranged parallel to each other. When the speaker body 2 is placed, the two sets of foot supports 3 will support the speaker body 2 on the ground to place the speaker body 2 stably. A protective shell 5 is provided on the side of the speaker body 2, which surrounds the side position of the speaker body 2 and is used to The speaker body 2 is protected around, and a pull groove 6 is opened on the protective shell 5. The number of the pull grooves 6 is two groups, and the two groups of pull grooves 6 are symmetrically opened on the protective shell 5. A pull rod 7 is movable inside the pull groove 6. The number and position of the pull rod 7 match the number and position of the pull groove 6. A handle 8 is provided on the top of the pull rod 7. The handle 8 is located just above the speaker body 2. When the handle 8 moves, it drives the pull rod 7 to move in the pull groove 6. When the pull rod 7 is extended, the handle 8 and the pull rod 7 are used as luggage support rods. When the pull rod 7 is retracted into the pull groove 6, the handle 8 is clamped in the card slot 10 by the movable card assembly 9 to limit the position of the handle 8. In this way, the handle 8 can be used as a carrying handle, and the speaker body 2 can be lifted by the carrying handle 8;

[0023] refer to Figure 2 and Figure 3, the handle 8 is provided with an active card assembly 9, and a card slot 10 is provided on the top of the speaker body 2. The active card assembly 9 includes a card rod 11, and the card rod 11 is movably connected to the inside of the card slot 10. The active card assembly 9 also includes a limit slot 15, a pressing slot 16, a connecting rod 17, a positioning plate 18, a spring member 19, an inclined surface extrusion block 20 and an inclined surface pressing block 21. The limit slot 15 is provided at the bottom of the handle 8. The limit slot 15 is an "n"-shaped slot. There are three openings on the limit slot 15, two of which correspond to the position of the card slot 10, and the other is at the symmetric axis of the handle 8. The card rod 11 is movable inside the openings of the limit slots 15 corresponding to the positions of the card slots 10. The pressing slot 16 is provided at the top of the handle 8 and is communicated with the limit slot 15. The plate 18 is fixed to the position of the inner part of the limiting groove 15 close to the card rod 11, the connecting rod 17 is fixed to the end face of the card rod 11 inside the limiting groove 15, and the other end of the connecting rod 17 extends to the other side of the positioning plate 18 after passing through the positioning plate 18, and the inclined extrusion block 20 is fixed to the end of the connecting rod 17 away from the card rod 11, and the spring member 19 is movably sleeved on the surface of the connecting rod 17, and one end of the spring member 19 is affixed to the positioning plate 18, and the other end of the spring member 19 is affixed to the inclined extrusion block 20. In this way, under the extrusion of the spring member 19, the spring member 19 pushes the inclined extrusion block 20 to move toward the inclined pressing block 21. The movement of the inclined extrusion block 20 drives the card rod 11 to move toward the inclined pressing block 21 through the connecting rod 17, so that the card rod 11 is stably clamped. The cam 11 is in the shape of an L-shaped card rod 11. The L-shaped card rod 11 can be connected to the card slot 10 by moving the card rod 11 in the horizontal direction, so that the handle 8 can be positioned. The number of the card rod 11, the connecting rod 17, the positioning plate 18, the spring member 19 and the cam 11 is two groups. The two groups of card rods 11, the connecting rod 17, the positioning plate 18, the spring member 19 and the cam 11 are two groups. 9 and the inclined extrusion block 20 are axially symmetrically arranged with the symmetry axis of the handle 8 as the symmetry axis. The symmetrical design makes the two ends of the handle 8 bear even force. During operation, the inclined pressing block 21 is pressed, and the inclined pressing block 21 moves toward the direction of the speaker body 2 to squeeze the inclined extrusion block 20. The two groups of inclined extrusion blocks 20 move away from each other under the extrusion. The two groups of inclined extrusion blocks 20 move away from each other and drive the two card rods 11 away from each other through the connecting rod 17. The two groups of card rods 11 move away from each other and separate from the card slot 10. Then the handle 8 is moved upward so that the handle 8 can move upward. The upward movement of the handle 8 drives the pull rod 7 to move upward and extend out of the pull slot 6. In this way, the handle 8 and the pull rod 7 are dragged to tilt the speaker body 2 and be dragged through the two groups of walking wheels 4, thereby achieving the effect of dragging the speaker body 2.When the handle 8 is needed, the above-mentioned operation is reversed to make the locking rod 11 locked in the locking groove 10, and then the pull rod 7 is retracted into the pull groove 6. The handle 8 is positioned close to the speaker body 2. In this way, the speaker body 2 can be lifted by the carrying handle 8, and the speaker body 2 can be carried by hand. This combines the functions of the handle and the luggage tow bar, with a higher degree of integration. There is no need to drive the handle and the luggage tow bar, which reduces costs and improves the convenience of moving the speaker body 2.

[0024] Example 2

[0025] refer to Figure 3 and Figure 4 The protective shell 5 is provided with a storage groove 12, and a movable protective plate 13 is provided inside the storage groove 12. One end of the movable protective plate 13 is located outside the storage groove 12, and one end of the movable protective plate 13 located outside the storage groove 12 and the other end of the protective shell 5 are both provided with a magnet 14. The magnet 14 is two magnets 14 with opposite poles that attract each other. In this way, when the movable protective plate 13 drives one magnet 14 to move to another magnet 14, the two magnets 14 attract each other to stabilize the movable protective plate 13. In order to improve stability, neodymium magnets 14 can be used, which have strong magnetism to make the movable protective plate 13 more stable. It should be noted here that the storage groove 12 and the movable protective plate 13 are uniformly arc-shaped, and the arc center of the storage groove 12 and the movable protective plate 13 coincides with the arc center of the protective shell 5.

[0026] Working principle: When moving and transporting the speaker body 2, it is first necessary to move the movable arc plate so that it extends out from the storage slot 12. The movement of the movable arc plate will drive a magnet 14 to move. When the movable arc plate drives the magnet 14 to the position of another magnet 14, the two magnets 14 attract each other to stabilize the movable protective plate 13. The movable protective plate 13 is used to protect the sound output position of the speaker body 2, thereby improving the effect of protecting the speaker body 2 when the speaker body 2 is transported.

[0027] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A portable broadcast speaker, characterized in that: The speaker comprises a base (1) and a speaker body (2). Two groups of foot supports (3) and two groups of running wheels (4) are respectively arranged at the outermost position of the bottom of the base (1). The two groups of foot supports (3) and the two groups of running wheels (4) are arranged parallel to each other. A protective shell (5) is arranged on the side of the speaker body (2). A pull groove (6) is provided on the protective shell (5). A pull rod (7) is movable inside the pull groove (6). A handle (8) is arranged at the top of the pull rod (7). The handle (8) is located directly above the speaker body (2). An active card assembly (9) is arranged on the handle (8). A card slot (10) is provided on the top of the speaker body (2). The active card assembly (9) includes a card rod (11). The card rod (11) is movably connected to the inside of the card slot (10).

2. A portable broadcast speaker according to claim 1, characterized in that: The number of the pull grooves (6) is two groups, and the two groups of pull grooves (6) are symmetrically opened on the protective shell (5). The number and position of the pull rods (7) match the number and position of the pull grooves (6).

3. A portable broadcast speaker according to claim 2, characterized in that: The protective shell (5) is provided with a receiving groove (12), a movable protective plate (13) is provided inside the receiving groove (12), one end of the movable protective plate (13) is located outside the receiving groove (12), and magnets (14) are provided at one end of the movable protective plate (13) located outside the receiving groove (12) and the other end of the protective shell (5).

4. A portable broadcasting speaker according to claim 3, characterized in that: The movable card assembly (9) further includes a limiting groove (15), a pressing groove (16), a connecting rod (17), a positioning plate (18), a spring member (19), an inclined surface extrusion block (20) and an inclined surface pressing block (21). The limiting groove (15) is provided at the bottom of the handle (8), the pressing groove (16) is provided at the top of the handle (8) and is communicated with the limiting groove (15), the positioning plate (18) is fixed inside the limiting groove (15) near the card rod (11), the connecting rod (17) is fixed to the end face of the card rod (11) located inside the limiting groove (15), and the other end of the connecting rod (17) passes through The positioning plate (18) extends to the other side of the positioning plate (18), the inclined surface extrusion block (20) is fixed to the end of the connecting rod (17) away from the clamping rod (11), the spring member (19) is movably sleeved on the surface of the connecting rod (17), and one end of the spring member (19) is attached to the positioning plate (18), and the other end of the spring member (19) is attached to the inclined surface extrusion block (20), the inclined surface pressing block (21) moves above the inclined surface extrusion block (20), and the inclined surface pressing block (21) moves inside the limiting groove (15), and the bottom end of the inclined surface pressing block (21) moves inside the pressing groove (16).

5. A portable broadcasting speaker according to claim 4, characterized in that: The top of the inclined pressing block (21) is designed as a convex protrusion, which moves inside the pressing groove (16), and the shape of the clamping rod (11) is "L"-shaped.

6. The portable broadcasting speaker according to claim 5, characterized in that: The number of the clamping rod (11), the connecting rod (17), the positioning plate (18), the spring member (19) and the inclined surface extrusion block (20) is two groups, and the two groups of clamping rods (11), the connecting rod (17), the positioning plate (18), the spring member (19) and the inclined surface extrusion block (20) are axially symmetrically arranged with the symmetry axis of the handle (8) as the symmetry axis.

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