CN108238084A - A kind of cart type multimedia equipment - Google Patents

Abstract

The invention discloses a trolley-type multimedia device, which comprises a placing plate, a chute is arranged on the horizontal direction of the placing plate, and sliding blocks slidingly connected with it are arranged symmetrically in the chute, and the left end of the placing plate A threaded rod connected to it in rotation is inserted. The threaded rod runs through the two sliders and is threaded to it. The upper side of the placement plate is symmetrically provided with a connecting groove communicating with the chute, and a connecting groove is inserted in the connecting groove. The connecting plate is symmetrically provided with a telescopic device fixedly connected to the opposite side of the connecting plate, and the other end of the telescopic device is provided with a pressing plate fixedly connected to it. The advantage of the present invention is to improve the existing trolley-type multimedia equipment. Firstly, the sound box is fixed by the clamping device to improve the stability of the sound box during movement. Adjust the length of the handle according to the user's needs, so that it is easy to use.

Description

A cart-type multimedia device

technical field

The invention relates to the technical field of multimedia equipment, in particular to a cart type multimedia equipment.

Background technique

Square dance is the largest system in the art of dance. It is named for gathering in squares. It integrates self-entertainment and performance. It takes group dance as the main form of performance, and its main purpose is to entertain the body and mind. Square dance is a rhythmic dance performed spontaneously by residents in open spaces such as squares and courtyard dams for the purpose of fitness, usually accompanied by high-decibel and rhythmic music accompaniment. Mobile speakers are needed in square dancing, but the structure of the existing mobile speakers is relatively simple. The speaker is connected to the trolley through a connecting rope, and the stability is poor. Very inconvenient.

Contents of the invention

The purpose of the present invention is to solve the shortcomings in the prior art, such as: the structure of the existing mobile sound box is relatively simple, the sound box is connected with the trolley through a connecting rope, and the stability is relatively poor, and the handle of the trolley cannot be moved according to the The length needs to be adjusted, which is very inconvenient to use, and a cart-type multimedia device is proposed.

In order to achieve the above object, the present invention adopts the following technical solutions: a cart-type multimedia device of the present invention includes a placement plate, a chute is provided on the horizontal direction of the placement plate, and a chute is symmetrically arranged in the chute The slider connected by sliding, the left end of the placement plate is inserted with a threaded rod connected to it in rotation, the threaded rod runs through the two sliders and is threaded with it, and the upper side of the placement plate is symmetrically provided with a chute communicating with it. A connecting groove, a connecting plate is inserted in the connecting groove, a telescopic device fixedly connected to it is symmetrically provided on the opposite side of the connecting plate, and a pressing plate fixedly connected to it is provided on the other end of the telescopic device. The right end of the placement plate is symmetrically provided with a fixed block fixedly connected to it, a rotating rod connected to it in rotation is provided between the two fixed blocks, and a first pull rod fixedly connected to it is provided on the outer wall of the rotating rod. The end of the first pull rod away from the rotating rod is sleeved with a second pull rod slidingly connected to it, the lower side of the placement plate is symmetrically provided with a connecting rod fixedly connected to it, and the lower end of the connecting rod is provided with a roller connected to it in rotation , the upper side of the placement plate is provided with a sound box, and the sound box is located between the two pressure plates.

Preferably, the upper side of the slider is provided with a slot, and the lower side of the connecting plate is provided with a block that engages with the slot.

Preferably, the telescopic device is composed of a telescopic rod and a spring, and the spring is sleeved on the telescopic rod and slidably connected with it.

Preferably, one end of the rotating rod passes through one of the fixed blocks, and the rotating rod is sleeved with a limit disc that is slidably connected to it, and the side of the limit disc close to the fixed block is provided with a plurality of insertion rods , one side of the fixed block is provided with a plurality of slots that are engaged with the insertion rod.

Preferably, the second tie rod is sleeved with a collar fixedly connected to it, and the outer wall of the collar is provided with a plurality of bolts connected to it in rotation, and the bolts pass through the second tie rod and connect with the first tie rod threaded connection.

Preferably, the lower side of the placement plate is provided with a hydraulic device fixedly connected thereto, the hydraulic device is located between the two connecting rods, and a bottom plate is provided at the lower end of the hydraulic device.

Compared with the prior art, the beneficial effect of the present invention is: to improve the existing trolley-type multimedia equipment, first fix the sound box through the clamping device, improve the stability of the sound box during movement, and then move the trolley The handle is improved to be telescopic, and the length of the handle can be adjusted according to the needs of the user, so that it is convenient to use.

Description of drawings

Fig. 1 is the structural representation of a kind of cart type multimedia equipment that the present invention proposes;

Fig. 2 is a structural diagram of the top side of a cart-type multimedia device proposed by the present invention.

In the figure: 1 placement plate, 2 threaded rod, 3 slider, 4 connecting plate, 5 telescopic device, 6 pressing plate, 7 connecting rod, 8 roller, 9 fixed block, 10 rotating rod, 11 first pull rod, 12 second pull rod , 13 collars, 14 bolts, 15 limit plates, 16 insert rods, 17 hydraulic devices, 18 base plates, 19 sound boxes.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention.

As shown in Figure 1-2, a kind of trolley-type multimedia equipment of the present invention includes a placement board 1, a chute is provided on the horizontal direction of the placement board 1, and sliders 3 that are slidably connected to it are symmetrically provided in the chute, The left end of the placement plate 1 is inserted with a threaded rod 2 that is rotatably connected to it. The threaded rod 2 runs through two slide blocks 3 and is threadedly connected with it. The connecting plate 4 is inserted, the upper side of the slider 3 is provided with a card slot, the lower side of the connecting plate 4 is provided with a card block which is engaged with the card slot, and the connecting plate 4 and the slider 3 are connected by a card joint structure. To facilitate the replacement of the connecting plate 4, the opposite side of the connecting plate 4 is symmetrically provided with a telescopic device 5 fixedly connected with it, and the other end of the telescopic device 5 is provided with a pressure plate 6 fixedly connected with it, and the telescopic device 5 is composed of a telescopic rod and a spring , the spring is sleeved on the telescopic rod and slidably connected with it, the buffer force in the clamping process of the sound box 19 can be increased through the telescopic device 5, and the damage of the sound box 19 can be prevented. The right end of the placement plate 1 is symmetrically provided with a fixed block 9 fixedly connected with it , between the two fixed blocks 9 is provided with a rotating rod 10 connected to it in rotation, one end of the rotating rod 10 runs through one of the fixed blocks 9, the rotating rod 10 is sleeved with a limit plate 15 slidingly connected with it, the limit plate 15 One side close to the fixed block 9 is provided with a plurality of inserting rods 16, and one side of the fixed block 9 is provided with a plurality of slots engaged with the inserting rods 16. The slot of the rotating rod 10 is clamped to limit the position of the rotating rod 10, which is convenient for the angle adjustment between the first pull rod 11 and the fixed block 9, and is convenient to use. The outer wall of the rotating rod 10 is provided with a first pull rod 11 fixedly connected with it. One end of the first pull rod 11 away from the rotating rod 10 is sleeved with a second pull rod 12 that is slidingly connected with it, and the second pull rod 12 is sleeved with a collar 13 that is fixedly connected with it. Rotate the connected bolt 14, the bolt 14 passes through the second pull rod 12 and is threadedly connected with the first pull rod 11, when the length of the second pull rod 12 needs to be adjusted, after pulling the second pull rod 12 to a suitable position, turn the bolt 14, because the bolt 14 is threadedly connected with the first pull rod 11, so the second pull rod 12 and the first pull rod 11 are fixed by the bolt 14, and the first pull rod 11 and the second pull rod 12 are fixed by the bolt 14, which is convenient for adjusting the length of the cart handle and placing The lower side of the board 1 is symmetrically provided with a connecting rod 7 fixedly connected to it, the lower end of the connecting rod 7 is provided with a roller 8 connected to it in rotation, and the lower side of the placing board 1 is provided with a hydraulic device 17 fixedly connected to it, and the hydraulic device 17 is located at Between the two connecting rods 7, a bottom plate 18 is provided at the lower end of the hydraulic device 17, and the hydraulic device 17 pushes the bottom plate 18 to move downward to contact the ground, so that the roller 8 is separated from the ground, preventing the placement plate 1 from sliding, and the placement plate 1 The upper side is provided with a sound box 19, and the sound box 19 is located between the two pressure plates 6. First, the sound box 19 is placed on the placement plate 1, and then the threaded rod 2 is rotated. Since the threaded rod 2 and the slider 3 are threaded for transmission, the threaded rod is rotated 2 will make the slider 3 move towards each other, thereby driving the connecting plate 4 to move towards each other, The sound box 19 is clamped by the pressing plate 6 .

In the present invention, when the user uses the device, the speaker 19 is first placed on the placement board 1, and then the threaded rod 2 is rotated. Since the threaded rod 2 and the slider 3 are screwed for transmission, turning the threaded rod 2 will make the slider 3 Move in opposite directions, thereby driving the connecting plates 4 to move in opposite directions, clamp the speaker 19 through the pressure plate 6, and then adjust the length of the second pull rod 12 according to the needs of the user, that is, after pulling the second pull rod 12 to a suitable position, turn the bolt 14, because The bolt 14 is threadedly connected with the first pull rod 11 , so the second pull rod 12 and the first pull rod 11 are fixed by the bolt 14 .

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (6)

1. a kind of cart type multimedia equipment, including placement plate (1), it is characterised in that：In the horizontal direction of the placement plate (1) Equipped with sliding slot, be arranged with the sliding block (3) being slidably connected with it in the sliding slot, the left end of the placement plate (1) be inserted with Its threaded rod (2) being rotatablely connected, the threaded rod (2) is through two sliding blocks (3) and is threadedly coupled with it, the placement plate (1) link slot connected with sliding slot is arranged on the upside of, connecting plate (4), the connecting plate (4) are inserted in the link slot Opposite side is arranged with the telescopic device (5) for being secured to connection, and the other end of the telescopic device (5) is equipped with to be consolidated with it Surely the pressing plate (6) connected, the right end of the placement plate (1) are arranged with the fixed block (9) for being secured to connection, and two described solid Determine to be equipped with the rotating bar (10) being rotatablely connected with it between block (9), the lateral wall of the rotating bar (10), which is equipped with, to be secured to The first pull rod (11) of connection, the one end of first pull rod (11) far from rotating bar (10) are socketed with the to be slidably connected with it Two pull rods (12) are arranged with the connecting rod (7) for being secured to connection on the downside of the placement plate (1), the connecting rod (7) Lower end is equipped with the idler wheel (8) being rotatablely connected with it, and the upside of the placement plate (1) is equipped with speaker (19), speaker (19) position Between two pressing plates (6).

2. cart type multimedia equipment according to claim 1, it is characterised in that：The upside of the sliding block (3) is equipped with card Slot, the downside of the connecting plate (4) are equipped with the fixture block being clamped with card slot.

3. cart type multimedia equipment according to claim 1, it is characterised in that：The telescopic device (5) is by telescopic rod It is formed with spring, the spring is socketed on telescopic rod and is slidably connected with it.

4. cart type multimedia equipment according to claim 1, it is characterised in that：One end of the rotating bar (10) is run through One of them described fixed block (9) is socketed with the position-arresting disk (15) being slidably connected with it, the limiting on the rotating bar (10) Disk (15) is equipped with multiple inserted links (16) close to the side of fixed block (9), and the side of the fixed block (9) is equipped with multiple and inserted link (16) slot of clamping.

5. cart type multimedia equipment according to claim 1, it is characterised in that：It is socketed on second pull rod (12) The lantern ring (13) of connection is secured to, the lateral wall of the lantern ring (13) is equipped with multiple bolts (14) being rotatablely connected with it, The bolt (14) is threadedly coupled across the second pull rod (12) and with the first pull rod (11).

6. cart type multimedia equipment according to claim 1, it is characterised in that：The downside of the placement plate (1) is equipped with The hydraulic device (17) of connection is secured to, the hydraulic device (17) is between two connecting rods (7), the hydraulic pressure The lower end of device (17) is equipped with bottom plate (18).