CN213629783U

CN213629783U - Large-scale over-and-under type electronic information display screen

Info

Publication number: CN213629783U
Application number: CN202022755762.6U
Authority: CN
Inventors: 徐俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-06
Anticipated expiration: 2030-11-25

Abstract

The utility model belongs to the technical field of electronic display screens, in particular to a large lifting electronic information display screen, which aims at the problem of poor stability of the electronic display screen after height adjustment and provides a proposal that the large lifting electronic information display screen comprises a base, wherein both sides of the base are both fixed with support frames, a screen body is arranged between the two support frames, a bidirectional screw rod is rotationally connected between the two support frames, and a rotating rod fixed with the bidirectional screw rod is arranged outside one of the support frames; the utility model discloses in through the rotation to the dwang for the screen body upwards slides on two support frames, highly adjusting the screen body, the screen body highly changes, can make the guard plate move towards the outside of support frame, improves the support stability of guard plate to the support frame, along with the slip of guard plate, drives the supporting shoe upward movement, thereby support the central point department of putting of the both sides face of the screen body, the side takes place the skew when preventing the screen body height-adjusting on the support frame, and then improves its altitude mixture control's stability.

Description

Large-scale over-and-under type electronic information display screen

Technical Field

The utility model relates to an electronic display screen technical field especially relates to a large-scale over-and-under type electronic information display screen.

Background

An LED display screen, a flat panel display, is composed of small LED module panels. The LED display screen is also called as an electronic display screen or a word-floating screen; the LED display screen is composed of an LED dot matrix and an LED DPC panel, characters, pictures, animations and videos are displayed through the on and off of red, blue, white and green LED lamps, the content can be changed at any time, and all components are display devices of a modular structure.

At present, when a large electronic display screen is adjusted in height, the stability of the electronic information display screen is changed after the height of the large electronic display screen is changed due to the large size of the large electronic display screen, and therefore the stability of the large electronic information display screen after the height is adjusted is particularly important.

Therefore, a large lifting electronic information display screen is needed to solve the problem that the stability of the electronic information display screen is poor after the height is adjusted.

SUMMERY OF THE UTILITY MODEL

The utility model provides a large-scale over-and-under type electronic information display screen has solved the relatively poor problem of stability of electronic display screen after altitude mixture control.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a large lifting electronic information display screen comprises a base, wherein support frames are fixed on two sides of the base, a screen body is arranged between the two support frames, a bidirectional screw rod is rotatably connected between the two support frames, a rotating rod fixed with the bidirectional screw rod is arranged on the outer side of one support frame, screw blocks are respectively in threaded connection with two ends of the bidirectional screw rod, a support seat is fixed between the two screw blocks of the base, the bidirectional screw rod penetrates through the support seat, the screen body is in sliding connection with the inner side walls of the two support frames, a telescopic rod is fixed between the support seat and the screen body, support rods are respectively hinged between two sides of the telescopic rod and the adjacent screw blocks, protective plates are respectively in sliding connection with the outer surfaces of two ends of the support frames, fixed wheels are arranged on the inner side surfaces of the protective plates, and traction wheels corresponding to the fixed wheels are installed at the top of the, two guide wheels which are distributed from top to bottom are installed on the outer side face of the supporting frame, a traction rope which is sleeved on the outer surfaces of the two guide wheels is arranged between the fixed wheel and the traction wheel, and a supporting component matched with the protection plate is arranged on the outer surface of the supporting frame.

Preferably, the supporting component comprises an installation sleeve fixed with the end face of the supporting frame, a sliding rod penetrates through the installation sleeve in a sliding mode, a supporting block is fixed at the top end of the sliding rod, an ejector block matched with the protection plate is fixed at the bottom end of the sliding rod, and an ejection spring is fixed between the ejector block and the installation sleeve.

Preferably, the outer side surface of the protection plate is an inclined plane, the contact surface of the protection plate and the top block is an adaptive inclined plane, and the distance between two adjacent protection plates is greater than the length of the screen body.

Preferably, baffles are fixed to two end faces of the supporting seat, and two side faces of each baffle are respectively in contact with the adjacent protection plates.

Preferably, the bottom end face of the screen body is respectively contacted with the baffle and the inner end faces of the two protection plates, and the contact face of the support block and the screen body is a smooth plane.

Preferably, two universal wheels which are symmetrically distributed are installed at the bottom of the base.

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

1. the utility model discloses in through the rotation to the dwang for the screen body upwards slides on two support frames, adjust the height of the screen body, when the screen body height changes, through the effect of traction wheel, haulage rope and tight pulley, can make the guard plate move towards the outside of support frame, improve the support stability of guard plate to the support frame, and then improve the stability of the screen body motion when carrying out altitude mixture control, the setting of leading wheel is led spacing to the motion trail of haulage rope, thereby guarantee the stability of the screen body when altitude mixture control; along with the slip of guard plate, drive the supporting shoe upward movement to the central point department of putting of the both sides face of the screen body supports, the side takes place the skew when preventing the screen body height-adjusting on the support frame, and then improves its altitude mixture control's stability.

2. The utility model discloses the setting on well guard plate and extrusion piece inclined plane for the guard plate can make the supporting shoe carry on spacingly to the terminal surface of the screen body when being in the open mode, and then guarantees the stability behind its altitude mixture control, and the setting of guard plate distance carries out certain protection to devices such as two-way screw rod under initial condition.

Drawings

Fig. 1 is a schematic view of a main sectional structure of a large lifting electronic information display screen provided by the present invention;

FIG. 2 is an enlarged view of area A of FIG. 1;

fig. 3 is a schematic view of a main view structure of a large-scale lifting electronic information display screen provided by the present invention.

In the figure: 1. a base; 2. a support frame; 3. a screen body; 4. a bidirectional screw; 5. rotating the rod; 6. a screw block; 7. a supporting seat; 8. a telescopic rod; 9. a support bar; 10. a protection plate; 11. a fixed wheel; 12. a traction wheel; 13. a guide wheel; 14. a hauling rope; 15. a support assembly; 151. installing a sleeve; 152. a slide bar; 153. a support block; 154. a top block; 155. ejecting a spring; 16. a baffle plate; 17. a universal wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a large lifting electronic information display screen comprises a base 1, wherein support frames 2 are fixed on both sides of the base 1, a screen body 3 is arranged between the two support frames 2, a bidirectional screw 4 is rotatably connected between the two support frames 2, a rotating rod 5 fixed with the bidirectional screw 4 is arranged on the outer side of one support frame 2, screw blocks 6 are respectively in threaded connection with both ends of the bidirectional screw 4, a support seat 7 is fixed between the two screw blocks 6 of the base 1, the bidirectional screw 4 penetrates through the support seat 7, the screen body 3 is in sliding connection with the inner side walls of the two support frames 2, a telescopic rod 8 is fixed between the support seat 7 and the screen body 3, support rods 9 are respectively hinged between the two adjacent screw blocks 6 on both sides of the screen body 3, protection plates 10 are respectively in sliding connection with the outer surfaces of both ends of the support frames 2, and fixing wheels, the top of the screen body 3 is provided with a traction wheel 12 corresponding to the fixed wheel 11, the outer side surface of the support frame 2 is provided with two guide wheels 13 which are distributed up and down, a traction rope 14 which is sleeved on the outer surfaces of the two guide wheels 13 is arranged between the fixed wheel 11 and the traction wheel 12, the outer surface of the support frame 2 is provided with a support component 15 which is matched with the protection plate 10, in particular, the rotating rod 5 is rotated to drive the two-way screw rod 4 to rotate on the support frame 2, so that the screw blocks 6 at the two ends move towards the center of the base 1, the screen body 3 slides upwards on the two support frames 2 under the action of the support rod 9, the height of the screen body 3 is adjusted, when the height of the screen body 3 is changed, the protection plate 10 can move towards the outer side of the support frame 2 under the action of the traction wheel 13, the traction rope 14 and the fixed wheel 11, and the, the movement stability of the screen body 3 during height adjustment is further improved, and the guide wheels 12 are arranged to guide and limit the movement track of the traction ropes 14, so that the stability of the screen body 3 during height adjustment is guaranteed; the support assembly 15 is arranged, and along with the sliding of the protection plate 10, the support assembly 15 moves, so that the stability of the side surface of the screen body 3 after the height adjustment is further improved; supporting seat 7 and the setting of telescopic link 8 carry out the support of certain degree to the screen body 3 to telescopic link 8 can carry on spacingly to the screen body 3, along with the 3 high changes that take place of the screen body, the length of telescopic link 8 changes.

The supporting component 15 includes the installation cover 151 with the support frame 2 terminal surface is fixed, the inside slip of installation cover 151 runs through there is the slide bar 152, the top of slide bar 152 is fixed with the supporting shoe 153, the bottom mounting of slide bar 152 has the kicking block 154 with protection plate 10 matched with, be fixed with ejecting spring 155 between kicking block 154 and the installation cover 151, it is concrete, when protection plate 10 slides towards the support frame 2 outside, protection plate 10 takes place the contact extrusion with kicking block 154, make kicking block 154 slide on the installation cover 151 along with the effect of slide bar 152, thereby drive supporting shoe 153 upward movement, thereby central point department of putting of the both sides face of the screen body 3 supports, the side takes place the skew when preventing the screen body 3 from adjusting the height on support frame 2, and then improve its altitude mixture control's stability.

The lateral surface of guard plate 10 is the inclined plane of slope, the contact surface of guard plate 10 and kicking block 154 is the inclined plane of looks adaptation, distance between two adjacent guard plates 10 is greater than the length of the screen body 3, specifically, the setting on guard plate 10 and kicking block 154 inclined plane, make guard plate 10 when being in the open mode, can make supporting shoe 153 carry on spacingly to the terminal surface of the screen body 3, and then guarantee the stability behind its altitude mixture control, the setting of guard plate 10 distance, under initial condition, carry out certain protection to devices such as two-way screw rod 4.

The two end faces of the supporting seat 7 are fixed with the baffle plates 16, two side faces of each baffle plate 16 are respectively in contact with the adjacent protection plates 10, and particularly, the arrangement of the baffle plates 16 guarantees full protection of the bidirectional screw rod 4 in an initial state.

The bottom end face of the screen body 3 is respectively contacted with the inner end faces of the baffle 16 and the two protection plates 10, the contact surfaces of the supporting blocks 153 and the screen body 3 are smooth planes, specifically, the inner surfaces of the baffle 16 and the protection plates 10 support and limit the bottom end of the screen body 3, so that the stability of the screen body 3 in an initial state is improved, the supporting blocks 153 are arranged in the planes, the supporting blocks 153 are synchronously adjusted along with the height adjustment of the screen body 3, and the stability of the screen body 3 in the height adjustment process is improved.

Two universal wheels 17 that are the symmetric distribution are installed to the bottom of base 1, and is concrete, and the setting of universal wheel 17 is convenient for remove the processing to the screen body 3.

The working principle is as follows: through the movement of the universal wheel 17, the base 1 is located at a designated position, the rotating rod 5 is rotated to drive the bidirectional screw rod 4 to rotate on the support frames 2, the screw blocks 6 at two ends move towards the center of the base 1, the screen body 3 slides upwards on the two support frames 2 under the action of the support rod 9, the height of the screen body 3 is adjusted, the screen body 3 changes in height, the protection plate 10 can move towards the outer side of the support frame 2 under the action of the traction wheel 13, the traction rope 14 and the fixed wheel 11, the support stability of the protection plate 10 on the support frames 2 is improved, the movement stability of the screen body 3 during height adjustment is improved, and the movement track of the traction rope 14 is guided and limited through the arrangement of the guide wheel 12, so that the stability of the screen body 3 during height adjustment is ensured; along with the slip of guard plate 10, when guard plate 10 slided towards the support frame 2 outside, the contact extrusion takes place for guard plate 10 and kicking block 154 for kicking block 154 slides on the installation cover 151 along with the effect of slide bar 152, thereby drives supporting shoe 153 upward movement, thereby supports the central point department of putting of the both sides face of the screen body 3, and the side takes place the skew when preventing the screen body 3 height-adjusting on support frame 2, and then improves its altitude mixture control's stability.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A large-scale lifting type electronic information display screen comprises a base (1), wherein support frames (2) are fixed on two sides of the base (1), a screen body (3) is arranged between the two support frames (2), the large-scale lifting type electronic information display screen is characterized in that two bidirectional screw rods (4) are rotatably connected between the two support frames (2), a rotating rod (5) fixed with the bidirectional screw rods (4) is arranged on the outer side of one of the support frames (2), screw blocks (6) are respectively in threaded connection with two ends of the bidirectional screw rods (4), a support seat (7) is fixed between the two screw blocks (6) of the base (1), the bidirectional screw rods (4) penetrate through the support seat (7), the screen body (3) is in sliding connection with the inner side walls of the two support frames (2), and a telescopic rod (8) is fixed between the support seat (7) and the screen body (3), the screen body (3) lie in the both sides of telescopic link (8) respectively with adjacent spiral shell piece (6) between articulated have bracing piece (9), the equal sliding connection in both ends surface of support frame (2) has guard plate (10), the medial surface of guard plate (10) is provided with tight pulley (11), traction wheel (12) corresponding with tight pulley (11) are installed at the top of the screen body (3), leading wheel (13) that two distribute about being are installed to the lateral surface of support frame (2), tight pulley (11) with be provided with between traction wheel (12) pull rope (14) that the cover located two leading wheel (13) surfaces, the surface of support frame (2) is provided with and protects plate (10) matched with supporting component (15).

2. The large lifting type electronic information display screen according to claim 1, wherein the supporting component (15) comprises a mounting sleeve (151) fixed to an end face of the supporting frame (2), a sliding rod (152) is slidably inserted into the mounting sleeve (151), a supporting block (153) is fixed to a top end of the sliding rod (152), a top block (154) matched with the protection plate (10) is fixed to a bottom end of the sliding rod (152), and a push-out spring (155) is fixed between the top block (154) and the mounting sleeve (151).

3. The large lifting type electronic information display screen according to claim 2, wherein the outer side surfaces of the protection plates (10) are inclined planes, the contact surfaces of the protection plates (10) and the top blocks (154) are adaptive inclined planes, and the distance between two adjacent protection plates (10) is greater than the length of the screen body (3).

4. The large lifting type electronic information display screen according to claim 1, wherein two end faces of the supporting base (7) are fixed with baffle plates (16), and two side faces of each baffle plate (16) are respectively in contact with the adjacent protection plates (10).

5. A large lifting electronic information display screen according to claim 2, characterized in that the bottom end face of the screen body (3) is in contact with the inner end faces of the baffle (16) and the two protection plates (10), respectively, and the contact face of the support block (153) and the screen body (3) is a smooth plane.

6. A large lifting electronic information display screen according to claim 1, characterized in that two symmetrically distributed universal wheels (17) are mounted at the bottom of the base (1).