CN221098082U - Portable presentation device - Google Patents

Abstract

The utility model provides a mobile demonstration device, which belongs to the field of demonstration devices and comprises a base, a lifting assembly and a mounting assembly; the bottom end of the base is fixedly provided with a movable wheel, and the two sides of the surface of the base are fixedly provided with support columns; in the utility model, the following components are added: when needs adjust demonstration board height, drive the lead screw through rotating rocking wheel and rotate inside the support column, the lead screw rotates and makes the elevating block of surface connection follow the lift to drive the lift sleeve that the top is connected and remove at the inside lift of support column, make sleeve lift drive demonstration board follow the lift and adjust, thereby make according to application regulation of height, the running wheel is installed to the bottom of base makes this presentation device be convenient for remove and transport.

Description

Portable presentation device

Technical Field

The utility model relates to the field of presentation devices, in particular to a mobile presentation device.

Background

The current presentation device has certain drawback when using, at first in the use, current presentation device flexibility is lower, and the practicality is not strong, and current presentation device does not have the multifunctionality moreover, and can't clear up the dust on the presentation device and collect, and inconvenient people use has brought certain adverse effect for people's use, and wherein the application number is: the demonstration device of CN202120468178.4 has the advantages that the flexibility of the whole structure is high, the practicability is high, certain working efficiency is improved, the demonstration device has multiple functions, dust is sucked through the dust suction calandria by the fan, the telescopic pipe is discharged into the multifunctional box, so that the dust is collected, the whole structure has multiple functions, the dust on the demonstration device can be cleaned and collected, people can use conveniently, the whole demonstration device has a simple structure, the operation is convenient, the use effect is better than that of the traditional mode, and certain defects exist in the use of the device: the presentation device main part is installed on the support frame of base surface, because the base is fixed makes this presentation device inconvenient removal, and presentation device main part height also can't adjust simultaneously for can't use different application.

Disclosure of utility model

The utility model aims to provide a mobile demonstration device, which is used for solving the problems that the demonstration device body provided by the background art is arranged on a support frame on the surface of a base, the base is fixed, so that the demonstration device is inconvenient to move, and meanwhile, the height of the demonstration device body cannot be adjusted, so that different application occasions cannot be used.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a movable demonstration device comprises a base, a lifting assembly and a mounting assembly;

wherein: the bottom end of the base is fixedly provided with a movable wheel, and two sides of the surface of the base are fixedly provided with support columns;

The lifting assembly comprises a screw rod rotatably arranged in the support column, the surface of the screw rod is in threaded connection with a lifting block, the top of the lifting block is fixedly provided with a lifting sleeve, the lifting sleeve is connected in the support column in a penetrating manner, and the top end of the lifting sleeve is provided with a demonstration board;

The installation component is including the installation piece of connection in demonstration board both sides, demonstration board is in the same place with lift sleeve fixed connection through the installation piece.

As a preferred embodiment of the present utility model: the bottom fixed mounting of lead screw has driven umbrella tooth, the bottom of support column rotates installs initiative umbrella tooth, initiative umbrella tooth and driven umbrella tooth meshing are connected, one side fixed mounting of initiative umbrella tooth has the rocking wheel.

As a preferred embodiment of the present utility model: limiting blocks are fixedly connected to two sides of the lifting block, travel grooves are formed in two sides of the supporting column in a penetrating mode, and the limiting blocks are connected inside the travel grooves in a penetrating mode.

As a preferred embodiment of the present utility model: limiting rings are fixedly connected to two ends of the screw rod.

As a preferred embodiment of the present utility model: the surface of installation piece has seted up the mounting hole, the inside threaded connection of mounting hole has fixing bolt, fixing bolt is connected with lift sleeve top.

As a preferred embodiment of the present utility model: the bottom of the demonstration board is fixedly provided with a placement board.

Compared with the prior art, the utility model has the beneficial effects that:

(1) When the height of the demonstration board needs to be adjusted, the screw rod is driven to rotate inside the support column by rotating the rocking wheel, the screw rod rotates to enable the lifting block connected with the surface to follow lifting, so that the lifting sleeve connected with the top is driven to lift inside the support column, the sleeve is driven to lift to drive the demonstration board to follow lifting adjustment, the height is adjusted according to application occasions, and the movable wheel is arranged at the bottom end of the base, so that the demonstration device is convenient to move and transport;

(2) Through the installation component that is equipped with, the mounting hole has been seted up on the installation piece surface of demonstration board both sides installation, and the inside threaded connection of mounting hole has fixing bolt, after installation piece and lift sleeve top contact, is in the same place installation piece and lift cover connection through fixing bolt for it is fixed to demonstrate the board.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic view of a lifting assembly according to the present utility model;

Fig. 4 is a schematic view of the mounting assembly structure of the present utility model.

In the figure: 1. a base; 2. a movable wheel; 3. a support column; 4. a lifting assembly; 41. a screw rod; 42. a lifting block; 43. lifting the sleeve; 44. driven umbrella teeth; 45. a driving bevel gear; 46. shaking wheel; 47. a limiting block; 48. a travel groove; 49. a limiting ring; 5. a demonstration board; 6. a mounting assembly; 61. a mounting block; 62. a mounting hole; 63. a fixing bolt; 7. the plate is placed.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a mobile presentation device includes: a base 1, a lifting assembly 4 and a mounting assembly 6;

Referring to fig. 1 and 2, a movable wheel 2 is fixedly mounted at the bottom end of a base 1, and support columns 3 are fixedly mounted at two sides of the surface of the base 1.

The specific use is as follows: the bottom of the base 1 is provided with a movable wheel 2, so that the demonstration device is convenient to move and transport.

Referring to fig. 3, the lifting assembly 4 includes a screw rod 41 rotatably installed inside a support column 3, a lifting block 42 is screwed on the surface of the screw rod 41, a lifting sleeve 43 is fixedly installed at the top of the lifting block 42, the lifting sleeve 43 is connected inside the support column 3 in a penetrating manner, a demonstration board 5 is installed at the top end of the lifting sleeve 43, a driven bevel gear 44 is fixedly installed at the bottom end of the screw rod 41, a driving bevel gear 45 is rotatably installed at the bottom of the support column 3, the driving bevel gear 45 is meshed with the driven bevel gear 44, a rocking wheel 46 is fixedly installed at one side of the driving bevel gear 45, two sides of the lifting block 42 are fixedly connected with limiting blocks 47, travel grooves 48 are formed in penetrating manners at two sides of the support column 3, and the limiting blocks 47 are connected inside the travel grooves 48 in a penetrating manner.

The specific use is as follows: when the height of the demonstration board 5 needs to be adjusted, the driving bevel gear 45 is driven to rotate by the rotation of the rocking wheel 46, the driving bevel gear 45 rotates to drive the driven bevel gear 44 in meshed connection to follow the rotation, the driven bevel gear 44 is fixedly connected with the screw 41, the screw 41 rotates, two sides of the lifting block 42 in threaded connection with the surface of the screw 41 are connected with limiting blocks 47, the limiting blocks 47 are inserted into the travel grooves 48, and when the screw 41 rotates, the lifting block 42 on the surface slides along the travel grooves 48 under the limiting of the limiting blocks 47, so that the lifting block 42 drives the lifting sleeve 43 to lift and adjust inside the support column 3, and then the demonstration board 5 is driven to realize height adjustment.

Referring to fig. 3, limiting rings 49 are fixedly connected to both ends of the screw 41.

The specific use is as follows: limiting rings 49 are arranged at two ends of the screw rod 41, so that the lifting range of the lifting block 42 is limited, and the lifting block 42 is prevented from falling off from the surface of the screw rod 41.

Referring to fig. 4, the installation assembly 6 includes installation blocks 61 connected to two sides of the demonstration board 5, installation holes 62 are formed in the surfaces of the installation blocks 61, fixing bolts 63 are connected to the inner threads of the installation holes 62, and the fixing bolts 63 are connected to the top of the lifting sleeve 43.

The specific use is as follows: mounting holes 62 are formed in the surfaces of mounting blocks 61 mounted on two sides of the demonstration board 5, fixing bolts 63 are connected to the inner threads of the mounting holes 62, and after the mounting blocks 61 are contacted with the tops of the lifting sleeves 43, the mounting blocks 61 are connected with the lifting sleeves 43 through the fixing bolts 63, so that the demonstration board 5 is fixed.

Referring to fig. 1 and 2, a placing plate 7 is fixedly installed at the bottom of the demonstration board 5.

The specific use is as follows: the bottom fixed mounting of demonstration board 5 has places board 7, places board 7 along the outside protrusion of demonstration board 5 bottom edge for be convenient for place demonstration articles for use and wipe board etc..

When the demonstration board 5 is required to be adjusted in height during use, the rocking wheel 46 is rotated to drive the screw rod 41 to rotate inside the support column 3, the screw rod 41 rotates to enable the lifting block 42 connected with the surface to follow lifting, so that the lifting sleeve 43 connected with the top is driven to lift inside the support column 3, the lifting sleeve 43 lifts to drive the demonstration board 5 to follow lifting adjustment, the height is adjusted according to application occasions, and the movable wheel 2 is installed at the bottom end of the base 1 to enable the demonstration device to be convenient to move and transport.

Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features thereof, and any modifications, equivalent substitutions, improvements and the like within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims (6)

1. A mobile presentation device, comprising:

The movable wheel (2) is fixedly arranged at the bottom end of the base (1), and support columns (3) are fixedly arranged at two sides of the surface of the base (1);

The lifting assembly (4), the lifting assembly (4) comprises a screw rod (41) rotatably installed inside the support column (3), a lifting block (42) is connected to the surface of the screw rod (41) in a threaded mode, a lifting sleeve (43) is fixedly installed at the top of the lifting block (42), the lifting sleeve (43) is connected inside the support column (3) in a penetrating mode, and a demonstration board (5) is installed at the top end of the lifting sleeve (43);

The installation assembly (6), installation assembly (6) are including connecting installation piece (61) in demonstration board (5) both sides, demonstration board (5) are in the same place with lift sleeve (43) fixed connection through installation piece (61).

2. A mobile presentation device as claimed in claim 1, wherein: driven bevel gear (44) is fixedly installed at the bottom end of the screw rod (41), driving bevel gear (45) is rotatably installed at the bottom of the supporting column (3), the driving bevel gear (45) is connected with the driven bevel gear (44) in a meshed mode, and a rocking wheel (46) is fixedly installed on one side of the driving bevel gear (45).

3. A mobile presentation device as claimed in claim 1, wherein: limiting blocks (47) are fixedly connected to two sides of the lifting block (42), travel grooves (48) are formed in two sides of the supporting column (3) in a penetrating mode, and the limiting blocks (47) are connected inside the travel grooves (48) in a penetrating mode.

4. A mobile presentation device as claimed in claim 1, wherein: limiting rings (49) are fixedly connected to two ends of the screw rod (41).

5. A mobile presentation device as claimed in claim 1, wherein: the surface of the mounting block (61) is provided with a mounting hole (62), a fixing bolt (63) is connected with the inside of the mounting hole (62) in a threaded mode, and the fixing bolt (63) is connected with the top of the lifting sleeve (43).

6. A mobile presentation device as claimed in claim 1, wherein: the bottom of the demonstration board (5) is fixedly provided with a placement board (7).