Quick lifting adjusting structure for display screen

Abstract

The utility model discloses a display screen quick lifting adjusting structure, relates to the technical field of lifting structures, and comprises two bottom plates and a lifting plate located on the upper sides of the two bottom plates, two first fork arms are symmetrically hinged to the tops of the two bottom plates, and the ends, away from the bottom plates, of the two first fork arms are connected to the bottom face of the lifting plate in a sliding mode. And two second fork arms are symmetrically hinged to the bottom of the lifting plate. When the lifting adjusting structure is used, through the arranged driving unit, the lifting speed of the lifting plate can be flexibly adjusted by adjusting the power of the double-shaft motor and selecting gears and racks with different parameters, so that the lifting adjusting structure can adapt to different working environments and requirements, and the flexibility and practicability of the lifting adjusting structure are improved; and the driving unit is simpler and more reliable in structure, meanwhile, the driving unit can be prevented from polluting the surrounding environment, and the reliability of the lifting adjusting structure is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lifting structure technical field, especially a display screen quick lifting adjustment structure. BACKGROUND

[0002] Traditional display screen generally adopts wall -hanging type, floor type or hoisting type fixed structure, and the display screen cannot be moved flexibly after installation, and the height and angle cannot be adjusted. In some special scenes, a special installation structure that can control the lifting height of the display screen is needed to meet the needs of user-defined display height.

[0003] The existing display screen quick lifting adjustment structure adopts hydraulic cylinder to push the support platform up and down to realize lifting operation in the vertical direction, and this lifting structure has stable power and large load capacity, but the use of hydraulic cylinder needs to use hydraulic system, and the leakage of hydraulic oil is difficult to avoid when the hydraulic system is running, which will affect the reliability of the hydraulic system, not only reduce the safety of lifting operation, but also the leaked hydraulic oil may drop on the ground of the construction area and pollute the external environment of the building.

[0004] In order to solve the above problems, a display screen quick lifting adjustment structure is needed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a display screen quick lifting adjustment structure to solve the problem that the existing display screen quick lifting adjustment structure adopts hydraulic cylinder to realize the lifting action of the support platform, but the leakage of hydraulic oil is difficult to avoid when the hydraulic system is running, which will not only reduce the safety of lifting operation, but also the leaked hydraulic oil may drop on the ground of the construction area and pollute the external environment of the building.

[0006] Secondly, the two second fork arms can be fixed together with the two bottom plate side surfaces at the end away from the lifting plate through the stable mechanism, so as to ensure the stability of the second fork arm, so that the lifting plate can be stably at the height, and the technical problems of shaking and instability in the lifting process are solved.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a display screen quick lifting adjusting structure, including two bottom plate and the lifting plate on two bottom plate upside, the top of two bottom plate is symmetrically hinged with two first fork arms, the bottom of lifting plate is symmetrically hinged with two second fork arms, the end of two second fork arms away from lifting plate is symmetrically connected on the top of two bottom plate, two second fork arms are respectively and two first fork arms are hinged and are forked distribution, the top of lifting plate is connected with lifting assembly, lifting assembly is connected with support platform, support platform is located in the upside of lifting plate, the top of two bottom plate is connected with drive unit, the end of two second fork arms away from lifting plate is connected with drive unit;

[0008] The drive unit comprises a double-shaft motor fixedly connected between the two second fork arms, two first shafts are fixedly connected on the two output ends of the double-shaft motor, the ends of the two second fork arms away from the lifting plate are symmetrically rotatably sleeved on the outer circumferential surfaces of the two first shafts, two gears are fixedly connected on the two ends of the two first shafts, and the drive unit further comprises two racks fixedly connected on the top of the two bottom plates, and the two gears are engaged with the two racks, respectively.

[0009] Preferably, the bottom surface of the lifting plate and the top surfaces of the two bottom plates are fixedly connected with two pairs of I-shaped sliding rails, a second shaft is rotatably connected between the ends of the two first fork arms away from the bottom plates, and two pairs of sliding sleeves are symmetrically hinged on the outer circumferential surfaces of the second shaft and the two first shafts, and the two pairs of sliding sleeves are slidably sleeved on the two pairs of sliding rails.

[0010] Preferably, two connecting plates are rotatably connected on the outer circumferential surfaces of the two first shafts, a horizontal plate is fixedly connected between the bottoms of the two connecting plates, the two sliding sleeves on the lower side are fixedly connected on the bottom surface of the horizontal plate, and the double-shaft motor is fixedly connected on the top of the horizontal plate.

[0011] Preferably, the lifting assembly comprises a first motor fixedly connected to the lifting plate, a third rotating shaft fixedly connected to the output end of the first motor, two first rotating arms fixedly sleeved on the outer circumferential surface of the third rotating shaft, a second rotating arm hingedly connected to the end of the two first rotating arms away from the third rotating shaft, and the top ends of the two second rotating arms are hingedly connected to the bottom surface of the support platform.

[0012] Preferably, two stable mechanisms are symmetrically connected to the sides of the two bottom plates away from each other, and the ends of the two second fork arms away from the lifting plate are connected to the two stable mechanisms, respectively, and the two stable mechanisms are used for fixing the ends of the two second fork arms away from the lifting plate and the sides of the two bottom plates together, respectively.

[0013] Preferably, the stable mechanism comprises a vertical plate rotatably connected to the end of the first rotating shaft away from the double-shaft motor through a horizontal shaft, a fixed plate fixedly connected to the bottom of the vertical plate, two pairs of electric push rods symmetrically fixedly connected to the top and bottom of the fixed plate, two resisting plates symmetrically fixedly connected between the output ends of the two pairs of electric push rods, two anti-skid plates symmetrically fixedly connected to the sides of the two resisting plates away from each other, and the stable mechanism further comprises two strip plates symmetrically fixedly connected to the sides of the bottom plate.

[0014] Preferably, the stable mechanism further comprises two groups of insertion rods symmetrically movably inserted into the top and bottom of the fixed plate, two pairs of rollers symmetrically fixedly connected between the ends of the two insertion rods away from each other, elastic members fixedly connected between the rollers and the fixed plate, two limiting grooves symmetrically formed in the sides of the two strip plates close to each other, two pairs of rollers symmetrically rollingly connected inside the two limiting grooves, two horizontal rods symmetrically fixedly connected to the front and back surfaces of the rollers, two groups of swing rods symmetrically hingedly connected to the front and back surfaces of the fixed plate, two groups of sliding cavities symmetrically formed in the sides of the two groups of swing rods, and the two groups of sliding cavities are movably sleeved on the horizontal rods of the two pairs of rollers, respectively.

[0015] In summary, the technical effects and advantages of the present application are:

[0016] 1、The utility model discloses a drive unit is set up, make two shaft motors drive two gear wheels to rotate, and two gear wheels are driven to move along the top surface of the bottom plate to left or right under the meshing of two racks, thereby drive two second prongs to move along the top surface of the bottom plate to left or right away from the one end of the lifting plate, thereby cooperate first prong, slide rail and slide sleeve together and promote the lifting plate to go up or descend, simultaneously through the power of two shaft motors and the gear and rack of selecting different parameters can flexibly adjust the lifting plate's ascending speed, thereby make the lifting adjustment structure can adapt to different work environment and requirement, improved the flexibility and practicality of the lifting adjustment structure, and make the drive unit structure more simple and reliable, can avoid the drive unit to the surrounding environment cause pollution simultaneously, effectively improved the reliability of the lifting adjustment structure.

[0017] 2、The utility model discloses a firm mechanism is set up, can be after the height of the lifting plate is adjusted, can through firm mechanism and fix two second prongs away from the one end of the lifting plate respectively with two bottom plate side surfaces together, thereby ensure the stability of second prong, such can guarantee the lifting plate to be at the height of being in, ensure the installation operation safety of staff, improved the safety and reliability of the lifting adjustment structure. ACCURATE DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description is only some embodiments of the utility model, for the person skilled in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0019] Figure 1 It is the structural schematic diagram of the utility model;

[0020] Figure 2 It is the first local structure schematic diagram of the utility model;

[0021] Figure 3 It is the second local structure schematic diagram of the utility model;

[0022] Figure 4 It is the third local structure schematic diagram of the utility model;

[0023] Figure 5 It is the fourth local structure schematic diagram of the utility model;

[0024] Figure 6 It is the local structure schematic diagram of firm mechanism in the utility model;

[0025] Figure 7 For the utility model Figure 5 The enlarged view of A in the middle.

[0026] In the figure: 1, bottom plate; 2, first fork arm; 21, second rotating shaft; 3, second fork arm; 31, sliding rail; 32, sliding sleeve; 4, lifting plate; 41, lifting assembly; 411, first motor; 412, third rotating shaft; 413, first rotating arm; 414, second rotating arm; 42, support platform; 5, driving unit; 51, double-shaft motor; 52, first rotating shaft; 53, gear; 54, rack; 55, connecting plate; 56, cross plate; 6, stabilizing mechanism; 61, vertical plate; 62, fixed plate; 63, electric push rod; 64, abutting plate; 641, anti-skid plate; 65, strip plate; 651, limiting groove; 66, inserting rod; 67, roller; 68, cross rod; 69, swing rod; 610, sliding cavity. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] Please refer to Figures 1-7 The display screen quick lifting adjusting structure shown in the figure, including two bottom plates 1 and the lifting plate 4 located on the upside of two bottom plates 1, the top of two bottom plates 1 is symmetrically hinged with two first fork arms 2, the end away from the bottom plate 1 of two first fork arms 2 is slidably connected on the bottom surface of the lifting plate 4, the bottom of the lifting plate 4 is symmetrically hinged with two second fork arms 3, the end away from the lifting plate 4 of two second fork arms 3 is symmetrically slidably connected on the top surface of two bottom plates 1, two second fork arms 3 are respectively hinged with two first fork arms 2 and are distributed in fork shape, the top of the lifting plate 4 is connected with the lifting assembly 41, the lifting assembly 41 is connected with the support platform 42, the support platform 42 is located directly above the lifting plate 4, the top of two bottom plates 1 is connected with the driving unit 5, the end away from the lifting plate 4 of two second fork arms 3 is connected with the driving unit 5;

[0029] The driving unit 5 includes the double-shaft motor 51 fixedly connected between two second fork arms 3, two first rotating shafts 52 are fixedly connected on the two output ends of the double-shaft motor 51, the end away from the lifting plate 4 of two second fork arms 3 is symmetrically rotatably sleeved on the outer circumferential surface of two first rotating shafts 52, two gears 53 are fixedly connected on the two ends of two first rotating shafts 52, the driving unit 5 further includes two racks 54 fixedly connected on the top of two bottom plates 1, two gears 53 are respectively engaged with two racks 54.

[0030] Reference Figures 1-5 , the bottom surface of the lifting plate 4 and the top surface of the two bottom plates 1 are symmetrically and fixedly connected with two pairs of I-shaped slide rails 31, the second rotating shaft 21 is rotatably connected between the ends of the two first fork arms 2 away from the bottom plate 1, and the outer circumferential surface of the second rotating shaft 21 and the outer circumferential surface of the two first rotating shafts 52 are symmetrically hinged with two pairs of slide sleeves 32, and the two pairs of slide sleeves 32 are respectively and slidably sleeved on the two pairs of slide rails 31.

[0031] Specifically, the first fork arm 2 and the second fork arm 3 can stably slide on the top surface of the bottom plate 1 and the bottom surface of the lifting plate 4 respectively, so that the lifting action of the lifting plate 4 can be stably performed.

[0032] Reference Figures 2-5 , the outer circumferential surface of the two first rotating shafts 52 is symmetrically rotatably connected with two connecting plates 55, the bottom of the two connecting plates 55 is fixedly connected with a horizontal plate 56, the two slide sleeves 32 on the lower side are fixedly connected to the bottom surface of the horizontal plate 56, and the double-shaft motor 51 is fixedly connected to the top of the horizontal plate 56.

[0033] Reference Figures 2-5 , the lifting assembly 41 comprises a first motor 411 fixedly connected to the lifting plate 4, a third rotating shaft 412 fixedly connected to the output end of the first motor 411, two first rotating arms 413 fixedly sleeved on the outer circumferential surface of the third rotating shaft 412, a second rotating arm 414 hinged to the end of each of the two first rotating arms 413 away from the third rotating shaft 412, and the top end of each of the two second rotating arms 414 is hinged to the bottom surface of the support platform 42.

[0034] Specifically, the height of the support platform 42 can be uniformly and stably adjusted, and then when the display screen on the support platform 42 reaches the appropriate height, the staff rotates the support platform 42 and the display screen through the second rotating arm 414, so that the display screen on the support platform 42 is parallel to and tightly attached to the stage mounting surface, which facilitates the staff to install and connect the display screen on the stage. During the whole process, the support platform 42 will fix and support the display screen, avoid the display screen from falling or being damaged due to uneven force, and improve the safety and reliability of installation.

[0035] Reference Figures 4-7 , the two bottom plates 1 are symmetrically connected with two stable mechanisms 6 on the sides away from each other, and the two second fork arms 3 are respectively connected to the two stable mechanisms 6 away from the lifting plate 4, and the two stable mechanisms 6 are used to fix the two second fork arms 3 away from the lifting plate 4 to the sides of the two bottom plates 1 respectively.

[0036] Specifically, after the height of the lifting plate 4 is adjusted, the two second fork arms 3 can be fixed to the sides of the two bottom plates 1 at the ends away from the lifting plate 4 through the stabilizing mechanism 6, so as to ensure the stability of the second fork arms 3, and thus the lifting plate 4 can be stably positioned at the height, the installation work of the staff is ensured to be safe, and the safety and reliability of the lifting adjustment structure are improved.

[0037] With reference to Figure 6 and Figure 7 The stabilizing mechanism 6 comprises a vertical plate 61 rotatably connected to the end of the first rotating shaft 52 away from the double-shaft motor 51 through a horizontal shaft, the bottom of the vertical plate 61 is fixedly connected with a fixed plate 62, the top and the bottom of the fixed plate 62 are symmetrically fixedly connected with two pairs of electric push rods 63, the output ends of the two pairs of electric push rods 63 are symmetrically fixedly connected with two abutting plates 64, the sides away from each other of the two abutting plates 64 are symmetrically fixedly connected with two anti-skid plates 641, and the stabilizing mechanism 6 further comprises two strip plates 65 symmetrically fixedly connected to the sides of the bottom plate 1, and the two anti-skid plates 641 can be tightly abutted against the sides of the two strip plates 65, respectively.

[0038] With reference to Figure 6 The stabilizing mechanism 6 further comprises two groups of insertion rods 66 symmetrically movably inserted into the top and the bottom of the fixed plate 62, the ends away from each other of the two insertion rods 66 are symmetrically fixedly connected with two pairs of rollers 67, the rollers 67 and the fixed plate 62 are fixedly connected with elastic members, the sides close to each other of the two strip plates 65 are symmetrically provided with two limiting grooves 651, the two pairs of rollers 67 are symmetrically rollingly connected inside the two limiting grooves 651, the front face and the back face of the rollers 67 are symmetrically fixedly connected with two horizontal rods 68, and the front face and the back face of the fixed plate 62 are symmetrically hinged with two groups of swing rods 69, the sides of the two groups of swing rods 69 are symmetrically provided with two groups of sliding cavities 610, and the two groups of sliding cavities 610 are movably sleeved on the horizontal rods 68 on the two pairs of rollers 67, respectively.

[0039] Specifically, after the anti-skid plates 641 are separated from the strip plates 65 by the electric push rods 63, the swing rods 69 can overcome the elastic force of the elastic members and push the rollers 67 and the inner side walls of the limiting grooves 651 into contact through the sliding cavities 610 and the horizontal rods 68, so as to improve the stability of the end of the second fork arms 3 away from the lifting plate 4 when moving along the top surface of the bottom plate 1, ensure that the lifting action of the lifting plate 4 can be stably and reliably performed, and further improve the reliability and practicality of the lifting adjustment mechanism.

[0040] Working principle: the staff fixes the display screen on the support platform 42, then the double-shaft motor 51 drives the two gears 53 to rotate through the two first rotating shafts 52, the two gears 53 are driven to move left or right along the top surface of the bottom plate 1 under the meshing of the two racks 54, thereby driving the two second fork arms 3 to move left or right along the top surface of the bottom plate 1 away from one end of the lifting plate 4, thereby pushing the lifting plate 4 up or down together with the first fork arm 2, the slide rail 31 and the slide sleeve 32 until the lifting plate 4 is at the appropriate height;

[0041] Meanwhile, the staff reaches the required position and height by ladder or hoisting equipment;

[0042] Then the anti-skid plate 641 is pushed against the side of the strip plate 65 by starting the electric push rod 63, so that the second fork arm 3 away from one end of the lifting plate 4 and the bottom plate 1 are fixed together, thereby ensuring the stability of the second fork arm 3, which can ensure that the lifting plate 4 is stably at the height, ensuring the safety of the staff's installation work, improving the safety and reliability of the lifting adjusting structure.

[0043] Finally, the staff can start the first motor 411 to drive the third rotating shaft 412 to rotate during the installation work according to the progress and needs of the installation work, the third rotating shaft 412 drives the support platform 42 to move upward to the appropriate height through the first rotating arm 413 and the second rotating arm 414, and then the support platform 42 is rotated to adjust the angle and position of the display screen on the support platform 42 until the display screen and the stage installation surface are in close contact.

[0044] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A display screen quick lifting adjustment structure, comprising two bottom plates (1) and a lifting plate (4) located on the upper side of the two bottom plates (1), characterized in that: The top of two bottom plates (1) is symmetrically hinged with two first fork arms (2), one end of two first fork arms (2) away from the bottom plate (1) is slidably connected to the bottom surface of the lifting plate (4), the bottom of the lifting plate (4) is symmetrically hinged with two second fork arms (3), one end of two second fork arms (3) away from the lifting plate (4) is symmetrically slidably connected to the top surface of two bottom plates (1), two second fork arms (3) are respectively hinged with two first fork arms (2) and are fork-shaped distributed, the top of the lifting plate (4) is connected with a lifting assembly (41), the lifting assembly (41) is connected with a support platform (42), the support platform (42) is located directly above the lifting plate (4), the top of two bottom plates (1) is connected with a driving unit (5), one end of two second fork arms (3) away from the lifting plate (4) is connected with the driving unit (5); The driving unit (5) comprises a double-shaft motor (51) fixedly connected between two second fork arms (3), two first rotating shafts (52) are fixedly connected on the two output ends of the double-shaft motor (51), one end of two second fork arms (3) away from the lifting plate (4) is symmetrically rotatably sleeved on the outer circumferential surface of two first rotating shafts (52), two gears (53) are fixedly connected on the two ends of two first rotating shafts (52), the driving unit (5) further comprises two racks (54) fixedly connected on the top of two bottom plates (1), two gears (53) are respectively engaged with two racks (54).

2. The quick lifting and adjusting structure of display screen according to claim 1, characterized in that: The bottom surface of the lifting plate (4) and the top surface of two bottom plates (1) are fixedly connected with two pairs of I-shaped sliding rails (31), a second rotating shaft (21) is rotatably connected between one end of two first fork arms (2) away from the bottom plate (1), two pairs of sliding sleeves (32) are symmetrically hinged on the outer circumferential surface of the second rotating shaft (21) and the outer circumferential surface of two first rotating shafts (52), two pairs of sliding sleeves (32) are respectively slidably sleeved on two pairs of sliding rails (31).

3. The quick lifting and adjusting structure of a display screen according to claim 2, characterized in that: Two connecting plates (55) are rotatably connected on the outer circumferential surface of two first rotating shafts (52), a horizontal plate (56) is fixedly connected between the bottoms of two connecting plates (55), two sliding sleeves (32) on the lower side are fixedly connected to the bottom surface of the horizontal plate (56), and the double-shaft motor (51) is fixedly connected to the top of the horizontal plate (56).

4. The quick lifting and adjusting structure of a display screen according to claim 3, characterized in that: The lifting assembly (41) comprises a first motor (411) fixedly connected to the lifting plate (4), a third rotating shaft (412) is fixedly connected to the output end of the first motor (411), two first rotating arms (413) are fixedly sleeved on the outer circumferential surface of the third rotating shaft (412), a second rotating arm (414) is hinged on one end of two first rotating arms (413) away from the third rotating shaft (412), and the top ends of two second rotating arms (414) are hinged to the bottom surface of the support platform (42).

5. The quick lift adjustment structure of a display screen according to claim 4, characterized in that: Two stable mechanisms (6) are symmetrically connected on the sides of the two bottom plates (1) away from each other, and one end of the two second fork arms (3) away from the lifting plate (4) is respectively connected to the two stable mechanisms (6), and the two stable mechanisms (6) are used for fixing one end of the two second fork arms (3) away from the lifting plate (4) and the two bottom plates (1) together.

6. The quick lift adjustment structure of a display screen according to claim 5, characterized in that: The stable mechanism (6) comprises a vertical plate (61) rotatably connected to one end of the first rotating shaft (52) away from the double-shaft motor (51) through a horizontal shaft, the bottom of the vertical plate (61) is fixedly connected with a fixed plate (62), the top and bottom of the fixed plate (62) are symmetrically fixedly connected with two pairs of electric push rods (63), two pairs of the electric push rods (63) are symmetrically fixedly connected between the output ends, two resisting plates (64) are symmetrically fixedly connected on the sides of the two resisting plates (64) away from each other, two anti-skid plates (641) are symmetrically fixedly connected on the sides of the two resisting plates (64) away from each other, and the stable mechanism (6) further comprises two strip plates (65) symmetrically fixedly connected on the sides of the bottom plate (1). The two anti-skid plates (641) can be tightly abutted on the sides of the two strip plates (65), respectively.

7. The quick lift adjustment structure of a display screen according to claim 6, characterized in that: The stable mechanism (6) further comprises two groups of plug rods (66) symmetrically movably inserted into the top and bottom of the fixed plate (62), two pairs of rollers (67) are symmetrically fixedly connected between the ends of the two plug rods (66) away from each other, the rollers (67) and the fixed plate (62) are fixedly connected with elastic members, two limiting grooves (651) are symmetrically formed on the sides of the two strip plates (65) close to each other, two pairs of the rollers (67) are symmetrically rollingly connected inside the two limiting grooves (651), two horizontal rods (68) are symmetrically fixedly connected on the front and back of the rollers (67), two groups of swing rods (69) are symmetrically hinged on the front and back of the fixed plate (62), two groups of sliding cavities (610) are symmetrically formed on the sides of the two groups of swing rods (69), and the two groups of sliding cavities (610) are movably sleeved on the horizontal rods (68) of the two pairs of rollers (67), respectively.

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