CN112133364A - A multimedia-based propaganda device - Google Patents

Abstract

The invention discloses a propaganda device based on multimedia, which comprises a propaganda device main body, a display device arranged on the front surface of the propaganda device main body and a telescopic rod arranged at the bottom end of the propaganda device main body, wherein symmetrical L-shaped blocks are fixedly connected to the surfaces of two sides of the propaganda device main body corresponding to the display device, so that a limiting clamping groove and a clamping groove are sequentially formed in the surface of the propaganda device main body below the L-shaped blocks, the surface of the L-shaped blocks is in threaded connection with a pushing threaded rod, the tail end of the pushing threaded rod sequentially penetrates through the L-shaped blocks and the propaganda device main body, the tail end of the pushing threaded rod extends into the limiting clamping groove, the tail end of the limiting clamping groove is fixedly connected with a limiting block; through having installed the high protective housing that passes through additional, when propaganda equipment main part is in indoor propaganda activity, the high protective housing that passes through can play the protection to display device, avoids display device's surface to be damaged, has improved display device's security.

Description

A multimedia-based propaganda device

technical field

The invention relates to the field of multimedia propaganda, in particular to a multimedia-based propaganda device.

Background technique

Multimedia service is a general term. From the point of view of the network, the communication services that can simultaneously transmit two or more service components (including voice, video and data) in one call belong to the category of multimedia services. A multimedia propaganda device.

However, the display equipment of the existing multimedia propaganda equipment lacks protective devices, and is easily worn out or even accidentally damaged when used outdoors for a long time, and the safety is low. Secondly, the height of the multimedia propaganda equipment cannot be adjusted, which is inconvenient for use in different scenarios. , it is not easy to maintain, and the applicability is low. Thirdly, the distance between the universal wheels at the bottom of the multimedia propaganda equipment cannot be adjusted, it is inconvenient to turn around in narrow passages, and the practicability is low. For this reason, we propose a multimedia-based propaganda equipment.

SUMMARY OF THE INVENTION

In order to overcome the deficiencies of the prior art, the present invention provides a multimedia-based propaganda device, wherein a protective device is provided outside the display device, which can solve the problem that the display device of the existing multimedia propaganda device lacks a protective device, and when used outdoors for a long time, It is easy to be worn and even accidentally damaged, and it is a technical problem with low safety.

In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions: a multimedia-based propaganda device, comprising a propaganda device main body, a display device disposed on the front surface of the propaganda device main body, and a telescopic rod disposed at the bottom of the propaganda device main body, the propaganda device. Symmetrical L-shaped blocks are fixedly connected to the two side surfaces corresponding to the main body of the device and the display device, so the lower surface of the main body of the propaganda device corresponding to the L-shaped block is sequentially provided with a limit card slot and a card slot. The surface of the L-shaped block A push threaded rod is threadedly connected, and the end of the push threaded rod penetrates the L-shaped block and the main body of the propaganda device in sequence, and the end of the push threaded rod extends to the interior of the limit slot, and the end of the limit slot is fixed A limit block is connected, and the limit slot is matched with the limit block; the surface of the push threaded rod is threadedly connected with a first threaded pipe, and the bottom end of the first threaded pipe is fixedly connected with a fixing strip. A limit chute is set on the side of the fixing strip close to the display device, a high-transparency protective case is arranged in the middle of the display device and the fixing strip, and the two sides of the high-transparency protective shell are respectively connected with a limit slot and a first sliding device , the first sliding device is matched with the limit chute, the limit card slot is matched with the card groove, and the front surface of the telescopic rod is fixedly connected with a fixing block.

As a preferred technical solution of the present invention, the bottom end of the main body of the propaganda device is provided with a base, the interior of the base is provided with an installation cavity, and a surface on one side of the base slides through a turntable, and the turntable extends to the Inside the installation cavity, the end of the turntable is fixedly connected with a bidirectional screw rod, the two ends of the bidirectional screw rod are fixedly connected with a symmetrical bevel gear, and the top of the bevel gear is fixedly connected with a lifting threaded rod, and the lifting screw The top end of the rod is threadedly connected with the telescopic rod, a limit ring is set between the telescopic rod and the bevel gear, the two sides of the telescopic rod are provided with symmetrical second sliding devices, and the top surface of the base and the bevel gear corresponds to A limit sleeve is inlaid, and the limit sleeve is matched with the second sliding device.

As a preferred technical solution of the present invention, a sliding hole is formed on the surface of the base corresponding to the bidirectional screw rod, and the surface of the bidirectional screw rod is threadedly connected with a symmetrical second threaded pipe. The bottom end is fixedly connected with a connecting sleeve, the inner top surface of the connecting sleeve is fixedly connected with a buffer spring, and the bottom end of the buffer spring is fixedly connected with a universal wheel.

As a preferred technical solution of the present invention, a handle is fixedly connected to a side surface of the high-transparency protective case away from the display device, and a soft pad is sleeved on the outer side of the handle.

As a preferred technical solution of the present invention, a storage groove is formed on the top surface of the base, and an anti-slip pattern is formed on the inner bottom surface of the storage groove.

As a preferred technical solution of the present invention, a surface of the display device is provided with a high-transparency anti-scratch protective film, and the high-transparency anti-scratch protective film is closely attached to the display device.

As a preferred technical solution of the present invention, the surface of the push threaded rod is provided with a silicone rubber layer, and the surface of the silicone rubber layer is provided with bumps for anti-slip.

As a preferred technical solution of the present invention, the surface of the turntable is provided with anti-skid patterns, and the anti-skid patterns are wavy.

As a preferred technical solution of the present invention, the inside of the bidirectional screw rod is provided with weight-reduction holes, and the inside of the weight-reduction holes is evenly distributed.

As a preferred technical solution of the present invention, the inner and outer surfaces of the connecting sleeve are both plated with anti-rust paint, and the outer surface of the connecting sleeve is sprayed with low-visibility paint.

Compared with the prior art, the beneficial effects that the present invention can achieve are:

1. By adding a high-transparency protective shell, when the main body of the propaganda equipment is indoors for publicity activities, the high-transparency protective shell can protect the display device, avoid damage to the surface of the display device, and improve the safety of the display device. , which can prolong the service life of the display device.

2. By adding a bevel gear, the height of the display device can be adjusted by rotating the turntable, which is conducive to the maintenance of the display device, and is also conducive to adapting to different usage scenarios and users of different heights, improving the applicability of the display device.

3. By adding a bidirectional screw rod and adjusting the position between the universal wheels, the rotation radius of the main body of the propaganda equipment can be adjusted, which is beneficial to the main body of the propaganda equipment to make a U-turn in some places where the space is relatively narrow, and improves the performance of the main body of the propaganda equipment. At the same time, the cushioning spring can play the role of cushioning, can absorb the impact force received by the display device, and improve the safety of the main body of the propaganda device.

Description of drawings

Fig. 1 is the front view structure schematic diagram of the present invention;

2 is a schematic diagram of a cross-sectional structure of a display device of the present invention;

Fig. 3 is the enlarged schematic diagram of the structure at place A in Fig. 2 of the present invention;

4 is a schematic diagram of a cross-sectional structure at the base of the present invention;

Fig. 5 is the enlarged schematic diagram of the structure at place B in Fig. 4 of the present invention;

FIG. 6 is a schematic diagram of the cross-sectional structure of the bevel gear of the present invention;

Among them: 1. Main body of publicity equipment; 2. Display equipment; 3. High-transparency protective shell; 4. L-shaped block; 5. Push threaded rod; Wheel; 10, telescopic rod; 11, turntable; 12, card slot; 13, first sliding device; 14, limit chute; 15, limit card slot; 16, limit block; 17, first threaded pipe; 18, sliding hole; 19, two-way screw; 20, limit sleeve; 21, installation cavity; 22, second threaded pipe; 23, connecting sleeve; 24, cushioning spring; 25, bevel gear; 26, lift Threaded rod; 27. Second sliding device; 28. Limit ring; 29. Handle.

Detailed ways

In order to make the technical means, creative features, achievement goals and effects realized by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the examples in the implementation manner, other examples obtained by those skilled in the art without creative work shall fall within the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following examples can be obtained from commercial sources unless otherwise specified.

Example:

As shown in Figures 1-6, a multimedia-based propaganda device includes a propaganda device main body 1, a display device 2 disposed on the front surface of the propaganda device main body 1, and a telescopic rod 10 disposed at the bottom of the propaganda device main body 1. The propaganda device Symmetrical L-shaped blocks 4 are fixedly connected to the two side surfaces corresponding to the main body 1 and the display device 2, so the lower surface corresponding to the L-shaped block 4 of the main body 1 of the propaganda device is sequentially provided with a limit card slot 15 and a card slot 12, L The surface of the block 4 is screwed with a push threaded rod 5, the end of the push threaded rod 5 penetrates the L-shaped block 4 and the main body 1 of the propaganda device in sequence, and the end of the push threaded rod 5 extends to the inside of the limit slot 15, and the limit The end of the card slot 15 is fixedly connected to the limit block 16, and the limit card slot 15 is matched with the limit block 16; the surface of the push threaded rod 5 is threadedly connected with a first threaded pipe 17, and the bottom end of the first threaded pipe 17 is fixedly connected There is a fixing bar 6, the side of the fixing bar 6 close to the display device 2 is provided with a limit chute 14, a high-transparency protective shell 3 is arranged between the display device 2 and the fixing bar 6, and the two sides of the high-transparency protective shell 3 are respectively connected to a limited Position card slot 15, first sliding device 13, the first sliding device 13 is matched with the limit chute 14, the limit card slot 15 is matched with the card slot 12, and the front surface of the telescopic rod 10 is fixedly connected with a fixing block 7;

During use, when maintenance or replacement of the display device 2 is required, hold the handle 29 and rotate the push threaded rod 5. Under the action of the thread, the first threaded pipe 17 moves along the surface of the push threaded rod 5. The threaded pipe 17 drives the fixing strip 6 to move, the fixing strip 6 drives the high-transparency protective shell 3 to move, and the high-transparency protective shell 3 drives the bevel gear 25 until the bevel gear 25 is completely separated from the slot 12, and the high-transparency protective shell 3 drives the first The sliding device 13 slides along the inner surface of the limit chute 14 until the bevel gear 25 abuts the surface of the fixed block 7, then release the handle 29, and the high-transparency protective shell 3 is opened at this time. When the main body 1 is indoors for publicity activities, the high-transparency protective shell 3 can protect the display device 2, avoid damage to the surface of the display device 2, improve the safety of the display device 2, and prolong the service life of the display device 2. .

In another embodiment, the present embodiment discloses a base 8 disposed at the bottom end of the main body 1 of the propaganda device. As shown in FIG. 3 , the bottom end of the main body 1 of the propaganda device is provided with a base 8 , and a mounting cavity 21 is opened inside the base 8 , the surface of one side of the base 8 slides through the turntable 11, and the turntable 11 extends to the interior of the installation cavity 21, the end of the turntable 11 is fixedly connected with a two-way screw 19, and the two ends of the two-way screw 19 are fixedly connected with symmetrical bevel gears 25. The top of the bevel gear 25 is fixedly connected with a lifting threaded rod 26, the top of the lifting threaded rod 26 is threadedly connected with the telescopic rod 10, a limit ring 28 is set between the telescopic rod 10 and the bevel gear 25, and both sides of the telescopic rod 10 are provided There is a symmetrical second sliding device 27, the top surface corresponding to the base 8 and the bevel gear 25 is inlaid with a limit sleeve 20, and the limit sleeve 20 is matched with the second sliding device 27;

During use, when the height of the display device 2 needs to be adjusted, the turntable 11 is rotated, the turntable 11 drives the universal wheel 9 to rotate, and the universal wheel 9 drives the lifting threaded rod 26 to rotate. The rod 10 rises, the telescopic rod 10 drives the propaganda device main body 1 to rise, the propaganda device main body 1 drives the display device 2 to rise, until the display device 2 is at a suitable height, the display device 2 is no longer rotated, and the height of the display device 2 is adjusted. The structure is simple, and the height of the display device 2 can be adjusted by rotating the dial 11 , which is conducive to maintenance of the display device 2 , and is also conducive to adapting to different usage scenarios and users of different heights, improving the applicability of the display device 2 .

In another embodiment, this embodiment discloses a universal wheel 9 arranged at the bottom end. As shown in FIG. 1 and FIG. 6 , a sliding hole 18 is formed on the surface of the base 8 corresponding to the bidirectional screw rod 19 , and the bidirectional screw rod The surface of 19 is threadedly connected with a symmetrical second threaded pipe 22, the bottom end of the second threaded pipe 22 is fixedly connected with a connecting sleeve 23, and the inner top surface of the connecting sleeve 23 is fixedly connected with a buffer spring 24, and the buffer spring 24 The bottom end is fixedly connected with a universal wheel 9;

During use, when the main body 1 of the propaganda equipment needs to be adjusted in a small space, the turntable 11 is rotated, and the turntable 11 drives the bidirectional screw rod 19 to rotate, and the bidirectional screw rod 19 drives the second threaded pipe 22 to move, and the second threaded pipe 22 drives the ten thousand Move to the wheel 9 until the universal wheel 9 is in a suitable position, stop rotating the turntable 11, and the position of the universal wheel 9 is adjusted. By adjusting the position between the universal wheels 9, the rotation radius of the main body 1 of the propaganda equipment can be adjusted. , which is conducive to the U-turn of the main body of the propaganda device 1 in some places with relatively small spaces, which improves the practicability of the main body of the propaganda device 1. At the same time, the cushioning spring 24 can play a role of cushioning and can absorb the impact of the display device 2. The safety of the main body 1 of the propaganda device is improved.

In another embodiment, the present embodiment discloses a soft pad disposed on the outside of the handle 29 . As shown in FIG. 2 , the handle 29 is fixedly connected to the side surface of the high-transparency protective shell 3 away from the display device 2 . The outer sleeve is provided with a soft pad; when in use, the soft pad can play a role of buffering and protect the opponent.

In another embodiment, this embodiment discloses a storage slot provided at the top of the base 8. As shown in FIG. 3, a storage slot is provided on the top surface of the base 8, and an anti-slip pattern is provided on the inner bottom surface of the storage slot; , The storage slot can increase the functionality of the main body 1 of the propaganda device, save the tools needed to repair the display device 2, and the anti-skid pattern can increase friction and prevent the maintenance tools from sliding around.

In another embodiment, this embodiment discloses a high-permeability anti-scratch film provided on the surface of the display device 2. As shown in FIG. 1, the surface of the display device 2 is provided with a high-permeability anti-scratch protective film. It is closely attached to the display device 2; when in use, the high-transparency scratch-resistant protective film can protect the display device 2 to avoid scratches on the surface of the display device 2 when the display device 2 is disassembled or maintained.

In another embodiment, this embodiment discloses a silicone rubber layer disposed on the surface of the push threaded rod 5, as shown in FIG. When used, the silicone rubber layer can play a buffering role to prevent the hand from being scratched, and the bump can play a non-slip effect to avoid slipping.

In another embodiment, this embodiment discloses the anti-skid pattern arranged on the surface of the turntable 11. As shown in FIG. 4, the surface of the turntable 11 is provided with an anti-skid pattern, and the anti-skid pattern is wavy; when in use, the wavy anti-skid pattern can be Increase friction and play a non-slip effect.

In another embodiment, this embodiment discloses a weight-reduction hole disposed inside the bidirectional screw 19. As shown in FIG. 4, the inside of the bidirectional screw 19 is provided with a weight-reduction hole, and the inside of the weight-reduction hole is evenly distributed; using When the weight reduction hole is used, the weight of the two-way screw 19 can be reduced, the lightness of rotating the two-way screw 19 can be improved, and the efficiency of rotating the turntable 11 can be improved.

In another embodiment, the present embodiment discloses the anti-rust paint provided on the surface of the connecting sleeve 23. As shown in FIG. 5, the inner and outer surfaces of the connecting sleeve 23 are plated with anti-rust paint, The outer surface of the connecting sleeve 23 is sprayed with low-visibility coating; when in use, the anti-rust paint can make the connecting sleeve 23 not easy to rust in a relatively humid environment, prolong the service life of the connecting sleeve 23, and the low-visibility painting The concern of the connection sleeve 23 can be reduced.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features Not directly but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions are only preferred examples of the present invention, and are not intended to limit the present invention, without departing from the spirit and scope of the present invention. Under the premise, the present invention will also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. A multimedia-based propaganda device, comprising a propaganda device main body (1), a display device (2) disposed on the front surface of the propaganda device main body (1), and a telescopic rod (10) disposed at the bottom end of the propaganda device main body (1) , characterized in that: symmetrical L-shaped blocks (4) are fixedly connected to the two side surfaces corresponding to the main body (1) of the propaganda device and the display device (2), so the main body (1) of the propaganda device and the L-shaped block (4) are fixedly connected. ) corresponding lower surface is sequentially provided with a limit slot (15) and a slot (12), the surface of the L-shaped block (4) is threadedly connected with a push threaded rod (5), the push threaded rod (5) The end of the push threaded rod (5) extends through the L-shaped block (4) and the main body of the propaganda device (1) in sequence, and the end of the push threaded rod (5) extends to the inside of the limit slot (15), the limit slot (15) The end of the push threaded rod (5) is fixedly connected with a limit block (16), the limit slot (15) is matched with the limit block (16); the surface of the push threaded rod (5) is threadedly connected with a first threaded pipe (17) , the bottom end of the first threaded pipe (17) is fixedly connected with a fixing strip (6), and the side of the fixing strip (6) close to the display device (2) is provided with a limit chute (14), the display A high-permeability protective shell (3) is arranged between the device (2) and the fixing strip (6), and the two sides of the high-transparency protective shell (3) are respectively connected with a limit slot (15) and a first sliding device (13). ), the first sliding device (13) matches the limit chute (14), the limit slot (15) matches the slot (12), and the front surface of the telescopic rod (10) is fixed A fixed block (7) is attached. 2. A multimedia-based propaganda device according to claim 1, characterized in that: the bottom end of the propaganda device main body (1) is provided with a base (8), and the inside of the base (8) is provided with an installation A cavity (21), a surface on one side of the base (8) slides through a turntable (11), and the turntable (11) extends to the interior of the installation cavity (21), and the ends of the turntable (11) are fixedly connected There is a two-way screw (19), two ends of the two-way screw (19) are fixedly connected with symmetrical bevel gears (25), and the top of the bevel gear (25) is fixedly connected with a lifting screw rod (26), so The top end of the lifting threaded rod (26) is threadedly connected to the telescopic rod (10), a limit ring (28) is arranged between the telescopic rod (10) and the bevel gear (25), and two ends of the telescopic rod (10) are provided with a limit ring (28). The side is provided with a symmetrical second sliding device (27), the top surface of the base (8) corresponding to the bevel gear (25) is inlaid with a limit sleeve (20), and the limit sleeve (20) is connected with the first Two sliding devices (27) are matched. 3. A multimedia-based propaganda device according to claim 2, wherein a sliding hole (18) is provided on the surface corresponding to the base (8) and the bidirectional screw (19), and the bidirectional screw The surface of the rod (19) is threadedly connected with a symmetrical second threaded pipe (22), the bottom end of the second threaded pipe (22) is fixedly connected with a connecting sleeve (23), and the A buffer spring (24) is fixedly connected to the inner top surface, and a universal wheel (9) is fixedly connected to the bottom end of the buffer spring (24). 4. A multimedia-based propaganda device according to claim 1, wherein a handle (29) is fixedly connected to a side surface of the high-transparency protective shell (3) away from the display device (2), and the The outer cover of the handle (29) is provided with a soft pad. 5 . The multimedia-based propaganda device according to claim 1 , wherein a storage slot is formed on the top surface of the base ( 8 ), and an anti-skid pattern is formed on the inner bottom surface of the storage slot. 6 . 6. A multimedia-based propaganda device according to claim 1, characterized in that: a surface of the display device (2) is provided with a high-permeability anti-scratch protective film, and the high-transparency anti-scratch protective film is connected to the display device (2) Close fit. 7. A multimedia-based propaganda device according to claim 1, characterized in that: the surface of the push threaded rod (5) is provided with a silicone rubber layer, and the surface of the silicone rubber layer is provided with anti-slip bumps . 8 . The multimedia-based propaganda device according to claim 2 , wherein the surface of the turntable ( 11 ) is provided with anti-skid patterns, and the anti-skid patterns are wavy. 9 . 9 . The multimedia-based propaganda device according to claim 2 , wherein the two-way screw ( 19 ) is provided with weight-reducing holes, and the inside of the weight-reducing holes is evenly distributed. 10 . 10. A multimedia-based propaganda device according to claim 3, wherein the inner and outer surfaces of the connecting sleeve (23) are both plated with anti-rust paint, and the outer surface of the connecting sleeve (23) is plated with anti-rust paint. The surface is sprayed with low visibility paint.

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