CN212273456U

CN212273456U - AR projection display screen with shock-absorbing function

Info

Publication number: CN212273456U
Application number: CN201921531986.XU
Authority: CN
Inventors: 宋旭
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2021-01-01
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses an AR projection display screen with shock-absorbing function, which comprises a protective seat, wherein the rear end face of the protective seat is symmetrically provided with fixed clamping blocks, the front upper end part of the protective seat is fixedly provided with a C-shaped supporting plate, the left side and the right side of the upper end face of the C-shaped supporting plate are both provided with a third limit clamping groove, the middle part of the lower surface of the C-shaped supporting plate is provided with a top baffle, the left side and the right side of the upper end face of the protective seat are symmetrically provided with a first limit clamping groove, an adjustable telescopic rod is arranged in the first limit clamping groove, the upper end part of the adjustable telescopic rod is movably connected with a chain wheel through a pin shaft, the left side and the right side of the protective seat are symmetrically provided with a fourth limit clamping groove, the fourth limit clamping groove is movably connected with a chain, the AR projection display screen with shock-absorbing function can, the safety of the display screen is improved.

Description

AR projection display screen with shock-absorbing function

Technical Field

The utility model relates to a display screen technical field specifically is a AR projection display screen with shock-absorbing function.

Background

AR is a technology that increases the perception of a user to the real world through information provided by a computer system, applies virtual information to the real world, and superimposes virtual objects, scenes, or system prompt information generated by a computer into the real scene, thereby implementing the enhancement of reality. The LED display screen belongs to the I/O equipment of a computer, namely input and output equipment. The LED display screen is a flat panel display, is composed of small LED module panels, and is used for displaying various information such as characters, images, videos, video signals and the like. It can be classified into CRT, LCD, etc. The LED display screen is also a display tool for displaying a certain electronic document on the screen through a specific transmission device and reflecting the electronic document to human eyes. The existing display screen for AR projection does not have good shock resistance in the using process, the projection display screen is easy to topple over due to vibration, so that the screen is damaged, even the situation of explosion risk occurs, and meanwhile, the fixing mode is too complex. Therefore, an AR projection display screen with a shock absorption function is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a AR projection display screen with shock-absorbing function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a AR projection display screen with shock-absorbing function, includes the protection seat, protection seat rear end face bilateral symmetry is equipped with fixed fixture block, upper end fixed mounting has C type backup pad before the protection seat, the spacing draw-in groove of third has all been opened about C type backup pad up end, C type backup pad lower surface middle part is equipped with overhead gage, protection seat up end left and right sides symmetry is opened there is first spacing draw-in groove, be equipped with adjustable telescopic link in the first spacing draw-in groove, telescopic link upper end has the sprocket through round pin axle swing joint with adjustable, it has the spacing draw-in groove of fourth to open including protection seat left and right sides inside symmetry, the spacing draw-in groove swing joint of fourth has the chain, tip fixed mounting has the bottom flap under the chain.

Preferably, the upper end part of the left side surface and the right side surface of the adjustable telescopic rod is provided with a second limiting clamping groove, and the bottom surface of the second limiting clamping groove is fixedly connected with an arc-shaped limiting block through a reset spring.

Preferably, the chain wheel is matched with the chain, the chain is arranged on the outer side of the chain wheel, and the outer end part of the chain is fixedly installed on the protective seat through a chain fixing block.

Preferably, the chain wheel is movably connected with the inside of the third limiting clamping groove.

Preferably, an LED display screen is arranged below the top baffle, and the left side and the right side of the LED display screen are movably connected with a bottom baffle.

Preferably, the fixed clamping block is provided with a threaded hole, and the fixed clamping block is uniformly arranged at the edge of the rear end face of the protection seat.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of AR projection display screen with shock-absorbing function, through setting up the top shield, the bottom shield, the chain, the sprocket, reset spring, adjustable telescopic link and C type backup pad structure, under adjustable telescopic link concertina effect, through mutually supporting of sprocket and chain, can make bottom shield up motion, and it is stable fixed to the display screen with the top shield cooperation, and simultaneously, through reset spring effect, can be effectively to alleviating the vibrations of the vertical production of display screen, avoided making projection display screen empty because of the vibration, so that cause the screen to damage, the condition that has the risk of explosion even takes place, reach the effect that improves display screen safety in utilization, and fixed mode is simple, simple to operate.

Drawings

FIG. 1 is a main sectional view of the structure of the present invention;

fig. 2 is a schematic view of the connection between the chain wheel and the adjustable telescopic rod of the present invention.

In the figure: the protective seat is 1, the fixed clamping block is 2, the 3C-shaped supporting plate is 4, the first limiting clamping groove is 4, the adjustable telescopic rod is 5, the chain wheel is 6, the second limiting clamping groove is 7, the reset spring is 8, the arc-shaped limiting block is 9, the chain is 10, the chain fixing block is 11, the top baffle is 12, the LED display screen is 13, the third limiting clamping groove is 14, the fourth limiting clamping groove is 15 and the bottom baffle is 16.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a AR projection display screen with shock-absorbing function, includes protection seat 1, 1 rear end face bilateral symmetry of protection seat is equipped with fixed fixture block 2, be equipped with the screw hole on the fixed fixture block 2, and fixed fixture block 2 evenly locates 1 rear end face edge of protection seat. The installation of setting up fixed fixture block 2 can be convenient for to the display screen is fixed. The front upper end part of the protective seat 1 is fixedly provided with a C-shaped supporting plate 3, the front end part of the upper surface of the protective seat 1 is provided with a clamping groove, the C-shaped supporting plate 3 is arranged in the clamping groove, the back side surface of the protective seat 1 is provided with a ventilation hole which can enhance the heat dissipation effect of a display screen, the left side and the right side of the upper end surface of the C-shaped supporting plate 3 are respectively provided with a third limiting clamping groove 14, the middle part of the lower surface of the C-shaped supporting plate 3 is provided with a top baffle 12, the left side and the right side of the upper end surface of the protective seat 1 are symmetrically provided with a first limiting clamping groove 4, an adjustable telescopic rod 5 is arranged in the first limiting clamping groove 4, the adjustable telescopic rod 5 is manually adjusted, on one hand, the cost can be effectively reduced, on the other hand, the upper end part of the adjustable telescopic rod 5 is movably connected with a, the round pin axle swing joint in square inslot of 5 upper ends of telescopic link with adjustable, the groove length in square groove is 50mm, telescopic link 5 is controlled to the adjustable side upper end and has all been opened the spacing draw-in groove 7 of second, the 7 tank bottoms of the spacing draw-in groove of second passes through reset spring 8 fixedly connected with arc stopper 9, arc stopper 9 up end is equipped with flexible cotton. Because of the reset function of the reset spring 8, the upper end face of the arc-shaped limit block 9 is attached to the chain wheel 6, so that the downward movement force of the chain wheel 6 can be tightly resisted, the chain wheel 6 is movably connected with the third limit clamping groove 14 in the groove, the reset spring 8 is arranged, the stability of connection and fixation of the display screen is improved, the situation that the projection display screen is toppled due to vibration is avoided, so that the screen is damaged, even the risk of explosion occurs, the stability of fixation of the display screen is improved, the fourth limit clamping grooves 15 are symmetrically arranged on the left inner side face and the right inner side face of the protective seat 1, the chain 10 is movably connected with the fourth limit clamping groove 15, the outer side face of the chain wheel 6 is provided with clamping teeth for clamping the chain 10, the chain 10 is provided with tooth grooves matched with the chain wheel 6, the clamping teeth are clamped into the tooth grooves, so that the chain wheel, the length of chain 10 is greater than the height of LED display screen 13, chain 10 locates the sprocket 6 outside, and the outer tip of chain 10 passes through chain fixed block 11 fixed mounting on protection seat 1. A bottom baffle 16 is fixedly arranged at the lower end of the chain 10. 16 up end of bottom baffle and the tip 12 lower tip of top baffle are equipped with the type groove of falling C, the width in the type groove of falling C is greater than the width of display screen, the type inslot that falls C is located to the display screen, fall C inslot and be equipped with flexible protection pad, flexible protection pad can be the nylon material, when fixed to the display screen, can effectively reduce the condition emergence that top baffle 12 and bottom baffle 16 caused the damage to the display screen, has improved the life of display screen. An LED display screen 13 is arranged below the top baffle 12, and a bottom baffle 16 is movably connected to the left side and the right side of the LED display screen 13. Bottom baffle 16 quantity is no less than 2, top baffle 12 constitutes equilateral triangle with bottom baffle 16, and triangle stable structure can improve the fixed stability of display screen to the effect that the reinforcing display screen used.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a AR projection display screen with shock-absorbing function, includes protection seat (1), its characterized in that: the rear end face of the protection seat (1) is symmetrically provided with fixed clamping blocks (2) left and right, the front upper end part of the protection seat (1) is fixedly provided with a C-shaped supporting plate (3), the left and the right of the upper end surface of the C-shaped supporting plate (3) are both provided with a third limiting clamping groove (14), a top baffle (12) is arranged in the middle of the lower surface of the C-shaped supporting plate (3), first limiting clamping grooves (4) are symmetrically formed in the left side and the right side of the upper end surface of the protective seat (1), an adjustable telescopic rod (5) is arranged in the first limiting clamping groove (4), the upper end part of the adjustable telescopic rod (5) is movably connected with a chain wheel (6) through a pin shaft, the left inner side and the right inner side of the protective seat (1) are symmetrically provided with fourth limiting clamping grooves (15), the fourth limiting clamping groove (15) is movably connected with a chain (10), and a bottom baffle (16) is fixedly mounted at the lower end of the chain (10).

2. The AR projection display screen with damping function of claim 1, wherein: the adjustable telescopic rod (5) is characterized in that the upper end part of the left side surface and the right side surface is provided with a second limiting clamping groove (7), and the bottom surface of the second limiting clamping groove (7) is fixedly connected with an arc limiting block (9) through a reset spring (8).

3. The AR projection display screen with damping function of claim 1, wherein: the chain wheel (6) is matched with the chain (10), the chain (10) is arranged on the outer side of the chain wheel (6), and the outer end part of the chain (10) is fixedly installed on the protective seat (1) through a chain fixing block (11).

4. The AR projection display screen with damping function of claim 1, wherein: the chain wheel (6) is movably connected with the third limiting clamping groove (14) in the groove.

5. The AR projection display screen with damping function of claim 1, wherein: the LED display screen is characterized in that an LED display screen (13) is arranged below the top baffle (12), and a bottom baffle (16) is movably connected to the left side and the right side of the LED display screen (13).

6. The AR projection display screen with damping function of claim 1, wherein: the fixed clamping block (2) is provided with a threaded hole, and the fixed clamping block (2) is uniformly arranged at the edge of the rear end face of the protection seat (1).