Liquid crystal display screen fixing assembly

Abstract

The utility model relates to the technical field of liquid crystal display screen fixing, and discloses a liquid crystal display screen fixing assembly which comprises a clamping seat and a mounting plate, a mounting groove matched with the mounting plate is formed in a display screen back plate, a limiting groove is formed in the circumferential direction of the mounting groove, a limiting rod is arranged in the circumferential direction of the mounting plate in a relatively telescopic mode, and the limiting rod is matched with the limiting groove. A rotating disc is rotatably connected to the middle of the mounting plate, an adapter is connected to the rotating disc, a connecting rod is rotatably connected to the top end of the clamping seat, a connecting seat is rotatably connected to the other end of the connecting rod, and a hinge rod is hinged between the connecting seat and the adapter; the hinge rod is provided with an angle positioning assembly capable of positioning the hinge angle of the two ends and an adjusting assembly capable of adjusting the positioning elastic coefficient. Compared with the prior art, the utility model has the advantages that the hinge angle can be conveniently adjusted, the strength can be conveniently adjusted, and the display screen can be conveniently driven to rotate to realize free switching between a horizontal screen and a vertical screen.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid crystal display screen fixing technical field, specifically point to a kind of liquid crystal display screen fixing assembly. BACKGROUND

[0002] The existing display screen is connected and fixed by back plate and mounting plate through multiple locking nuts, although the height and front-back movement of the display screen can be adjusted by the hinge rod on the support, but the weight of the display screen is not the same, and the hinge angle tension of the existing hinge rod cannot be adjusted, either because the tension is too large to cause inconvenience in adjusting the hinge angle, or because the tension is too small to cause the display screen to move downward due to excessive load; In addition, the existing display screen cannot freely switch between landscape and portrait. SUMMARY

[0003] I. Technical problems to be solved

[0004] The technical problem to be solved by the utility model is that the hinge angle tension cannot be adjusted, and the display screen cannot be freely switched between landscape and portrait.

[0005] II. Technical scheme

[0006] To solve the above technical problems, the utility model provides a technical scheme: a liquid crystal display screen fixing assembly, comprising a clamping seat and a mounting plate, the display screen back plate is provided with a mounting groove matched with the mounting plate, the mounting groove is circumferentially provided with a limiting groove, the mounting plate is circumferentially provided with a limiting rod which can be extended and retracted, the limiting rod is matched with the limiting groove, a rotating disc is rotatably connected in the middle of the mounting plate, a rotating joint is connected on the rotating disc, a connecting rod is rotatably connected at the top end of the clamping seat, a connecting seat is rotatably connected at the other end of the connecting rod, a hinge rod is hingedly connected between the rotating joint and the connecting seat, the hinge rod is respectively provided with an angle positioning assembly which can position the hinge angle of both ends and an adjusting assembly which can adjust the positioning elastic coefficient.

[0007] Further, the connecting rod is of Z-shaped structure, so that the hinge rod is rotatably connected with the connecting rod through one end of the connecting seat, and the rotating joint matched with the display screen at the other end of the hinge rod can be located on the side close to the clamping seat, which is more conducive to maintaining central balance, and also has a certain height to avoid interference between the bottom end of the display screen and the base.

[0008] Further, the angle positioning assembly comprises an incomplete gear connected to the adapter and the connecting seat in the circumferential direction, the hinge rod is hollow, and the two ends of the hinge rod are respectively connected with a U-shaped plate, a first spring is arranged between the U-shaped plates, the U-shaped plates are respectively connected with a limiting gear meshing with the incomplete gear, the limiting gears on the two sides of the U-shaped plate are driven to move away from each other under the driving of the first spring, and then the incomplete gear and the limiting gear in the circumferential direction of the adapter and the connecting seat are abutted together and cannot rotate, the stronger the elastic force of the first spring is, the more stable the angle positioning is; when the hinge angle needs to be changed, the display screen is driven to rise or fall, the directions of the U-shaped plates are driven to slide towards each other, the first spring is intermittently compressed and reset, the limiting gear rotates, and until the limiting gear is positioned again, the limiting gear cooperates with the incomplete gear to realize limiting.

[0009] Further, the adjusting assembly comprises a sliding plate connected to the two sides of the hinge rod, a first spring is arranged between the sliding plate and the U-shaped plate, a threaded hole is arranged in the middle of the hinge rod, a threaded rod is arranged in the threaded hole in a threaded manner, a knob is arranged at the top end of the threaded rod, a hinge seat is rotatably connected to the inside of the hinge rod at the bottom end of the threaded rod, a driving rod is hingedly connected to the two sides of the bottom end of the hinge seat, and the other end of the driving rod is hingedly connected to the sliding plate. The hinge seat is driven to descend into the hinge rod by rotating the threaded rod, and then the two driving rods drive the sliding plates to move away from each other, so that the length of the first spring is compressed, the elastic coefficient of the first spring is increased, the cooperation between the limiting gear and the incomplete gear is more stable, and the force required for adjusting the hinge angle positioning assembly is also greater.

[0010] Further, the mounting plate is connected with an inner ring groove and a sliding groove, the rotating disc is rotatably connected to the inner ring groove, the rotating disc is connected with a gear ring in the circumferential direction, the mounting plate is slidably connected with a limiting tooth in the circumferential direction of the inner ring groove, the limiting tooth is slidably connected to the sliding groove, a second spring is arranged between the limiting tooth and the end wall of the sliding groove, the limiting tooth is clamped in the gear ring under the action of the second spring, and the rotating disc is temporarily limited, so that the display screen will not rotate randomly with the rotating disc.

[0011] Further, the outer ring groove is connected with the driving ring through the torsion spring hinge, the driving ring is matched with the inner wall of the outer ring groove, the driving ring is evenly connected with the connecting rod through the hinge in the circumferential direction of the outer ring groove, the other end of the connecting rod is hingedly connected with the limiting rod, the limiting rod is slidably penetrated through the mounting plate from the outer ring groove and matched with the limiting groove, the limiting rod is chamfered away from the adapter, when the limiting rod is matched with the mounting plate to the mounting groove, the limiting rod is driven to slide into the outer ring groove due to the setting of the chamfer, the limiting rod drives the driving ring to rotate counterclockwise with the center of the outer ring groove as the center, at this time, the torsion spring is compressed and stored, when the mounting plate is matched with the mounting groove and the limiting rod is matched with the limiting groove, the limiting rod slides into the limiting groove under the reset action of the torsion spring to realize the quick clamping of the display screen back plate and the mounting plate together.

[0012] Further, the outer ring groove is connected with the driving ring through the torsion spring hinge, the driving ring is matched with the inner wall of the outer ring groove, the driving ring is evenly connected with the connecting rod through the hinge in the circumferential direction of the outer ring groove, the other end of the connecting rod is hingedly connected with the limiting rod, the limiting rod is slidably penetrated through the mounting plate from the outer ring groove and matched with the limiting groove, the limiting rod is chamfered away from the adapter, when the limiting rod is matched with the mounting plate to the mounting groove, the limiting rod is driven to slide into the outer ring groove due to the setting of the chamfer, the limiting rod drives the driving ring to rotate counterclockwise with the center of the outer ring groove as the center, at this time, the torsion spring is compressed and stored, when the mounting plate is matched with the mounting groove and the limiting rod is matched with the limiting groove, the limiting rod slides into the limiting groove under the reset action of the torsion spring to realize the quick clamping of the display screen back plate and the mounting plate together.

[0013] III. Advantageous effects

[0014] The utility model discloses compared with prior art has the advantages of:

[0015] Through the clamping seat, the mounting seat and the base can be conveniently connected together, and the fixed assembly can be conveniently supported;Through the cooperation of the mounting plate and the mounting groove and the cooperation of the limiting rod and the limiting groove, the mounting plate and the display screen back plate can be quickly clamped together;Through the rotation of the rotating disc, the display screen can be conveniently switched horizontally and vertically;Through the setting of the adapter, the connecting seat, the hinge rod and the angle positioning assembly, the height of the display screen can be conveniently adjusted and positioned by adjusting the hinge angle of the hinge rod, and the setting of the adjusting assembly can conveniently adjust the required force for the hinge angle positioning adjustment;Through the rotary connection of the connecting rod and the connecting seat, the front and back movement of the display screen can be conveniently adjusted. DETAILED DESCRIPTION

[0016] Figure 1 It is a structure schematic view of a liquid crystal display screen fixed assembly.

[0017] Figure 2 It is a main section structure schematic view of a liquid crystal display screen fixed assembly.

[0018] Figure 3 It is Figure 2 It is a main section structure schematic view of a hinge rod.

[0019] Figure 4 It is a main section structure schematic view of a hinge rod in a liquid crystal display screen fixed assembly.

[0020] Figure 5 is a sectional view structure schematic diagram of the utility model of a kind of liquid crystal display screen fixed assembly.

[0021] Figure 6 is the main section enlarged structure schematic diagram of the utility model of a kind of installation plate in liquid crystal display screen fixed assembly.

[0022] As shown in the figure: 1, the clamping seat, 2, the mounting plate, 3, the limiting rod, 4, the rotating disc, 5, the adapter, 6, the connecting rod, 7, the connecting seat, 8, the hinge rod, 9, the incomplete gear, 10, the U-shaped plate, 11, the first spring, 12, the limiting gear, 13, the sliding plate, 14, the threaded rod, 15, the driving rod, 16, the gear ring, 17, the limiting tooth, 18, the second spring, 19, the driving ring, 20, the connecting rod, 21, the through hole. DETAILED DESCRIPTION

[0023] 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Embodiment one

[0025] Combined with the drawings Figure 1 , Figure 4 and Figure 6 , a kind of liquid crystal display screen fixed assembly, including clamping seat 1 and mounting plate 2, the display screen back plate is equipped with the installation groove matched with mounting plate 2, the installation groove is circumferentially equipped with limiting slot, the limiting rod 3 is circumferentially relative to the flexible installation limiting rod 3 of mounting plate 2, the limiting rod 3 is matched with limiting slot, the outer ring groove is connected on the mounting plate 2, the inner wall of the outer ring groove is hinged by torsion spring and is equipped with driving ring 19, the driving ring 19 is matched with the inner wall of outer ring groove, the connecting rod 20 is hinged and is evenly distributed in the outer ring groove on the circumferential direction of driving ring 19, the other end of the connecting rod 20 is hinged limiting rod 3, the limiting rod 3 is slid from the outer ring groove and is penetrated through mounting plate 2 and is matched with limiting slot, the arc-shaped through hole 21 is equipped on the mounting plate 2, the through hole 21 is coaxially arranged with driving ring 19, the driving column is connected on the driving ring 19, the driving column is set through the through hole 21;

[0026] Through the cooperation of mounting plate 2, limiting rod 3, driving ring 19, connecting rod 20 and limiting rod 3 in the above structure, the limiting rod on the mounting plate can be flexibly arranged, and then the clamping of the fixed assembly can be realized by cooperating with the limiting slot on the display screen back plate.

[0027] With the drawings Figure 6 , the middle part of the mounting plate 2 is rotationally connected with a rotating disc 4, the mounting plate 2 is connected with an inner ring groove and a sliding groove, the rotating disc 4 is rotationally connected with the inner ring groove, the rotating disc 4 is circumferentially connected with a gear ring 16, the mounting plate 2 is circumferentially and slidingly connected with a limiting tooth 17 at the inner ring groove, the limiting tooth 17 is slidingly connected with the sliding groove, and the limiting tooth 17 and the end wall of the sliding groove are connected with a second spring 18;

[0028] Through the cooperation of the rotating disc, the gear ring, the limiting tooth and the second spring in the above structure, the rotation of the display screen can be realized through the rotating disc, and the switching between the horizontal screen and the vertical screen can be realized, and the positioning of the rotating disc can be realized through the gear ring, the limiting tooth and the second spring.

[0029] With the drawings Figure 1 , Figure 2 and Figure 5 , the rotating disc 4 is connected with a rotating joint 5, the top end of the clamping seat 1 is rotationally connected with a connecting rod 6, the connecting rod 6 is a Z-shaped structure, the other end of the connecting rod 6 is rotationally connected with a connecting seat 7, and the connecting seat 7 and the rotating joint 5 are hingedly connected with a hinge rod 8;

[0030] Through the rotation of the rotating joint and the connecting seat at both ends of the connecting rod 6 in the above structure, the front and back movement adjustment of the display screen can be realized; through the hinging of both ends of the hinge rod with the connecting seat 7 and the rotating joint 5, the lifting adjustment of the display screen can be realized.

[0031] With the drawings Figure 2 , Figure 3 and Figure 4 , the hinge rod 8 is respectively provided with an angle positioning assembly capable of positioning the hinge angle of both ends, the angle positioning assembly comprises an incomplete gear 9 connected circumferentially to the rotating joint 5 and the connecting seat 7, the hinge rod 8 is hollow, and the both ends of the hinge rod 8 are respectively slidingly connected with a U-shaped plate 10, a first spring 11 is arranged between the U-shaped plates 10, and the U-shaped plates 10 are respectively rotationally connected with a limiting tooth 17 wheel 12 engaged with the incomplete gear 9.

[0032] Through the cooperation of the angle positioning assembly in the above structure, the hovering of the height position of the display screen can be realized.

[0033] Embodiment two

[0034] On the basis of embodiment one, in combination with the drawings Figure 2 , Figure 3 and Figure 4The hinge rod 8 is respectively provided with an adjusting assembly capable of adjusting the positioning elastic coefficient, the adjusting assembly comprises a sliding plate 13 slidably connected to both sides of the hinge rod 8, a first spring 11 is connected between the sliding plate 13 and the U-shaped plate 10, a threaded hole is formed in the middle of the hinge rod 8, a threaded rod 14 is arranged in the threaded hole in a threaded manner, a knob is connected to the top end of the threaded rod 14, a hinge seat is rotatably connected to the bottom end of the threaded rod 14 and the inner side of the hinge rod 8, and a driving rod 15 is hingedly connected to the bottom end of the hinge seat on both sides, and the other end of the driving rod 15 is hingedly connected to the sliding plate 13.

[0035] The adjusting assembly in the above structure can adjust the size of the display screen height adjustment force, and facilitate the stable hovering of display screens of different weights.

[0036] The specific use method is as follows:

[0037] The connecting seat 1 is convenient for connecting the mounting seat and the base together, and provides support for the fixing assembly; the rotating connection of the connecting rod 6 and the connecting seat 7 can adjust the front and back movement of the display screen;

[0038] The mounting plate 2 and the mounting groove cooperate, and the limiting rod 3 and the limiting groove cooperate, so that the mounting plate 2 and the display screen back plate can be quickly clamped, the side of the limiting rod 3 away from the adapter 5 is chamfered, when the limiting rod 3 is matched with the mounting plate 2 to the mounting groove, the limiting rod 3 is driven to slide into the outer ring groove due to the chamfered setting, the limiting rod 3 drives the driving ring 19 to rotate counterclockwise with the outer ring groove as the center, at this time the torsional spring is compressed and stored, when the mounting plate 2 and the mounting groove are matched and the limiting rod 3 and the limiting groove are matched, the limiting rod 3 slides into the limiting groove under the reset action of the torsional spring, so that the display screen back plate and the mounting plate 2 are quickly clamped together;

[0039] The rotating setting of the rotating disc 4 is convenient for switching the display screen horizontally and vertically, the limiting teeth 17 are clamped in the gear ring 16 under the action of the second spring 18, thereby temporarily limiting the rotating disc 4, so that the display screen will not be randomly rotated with the rotating disc 4;

[0040] The height of the display screen is adjusted and positioned by adjusting the hinge angle of the hinge rod 8 through the setting of the adapter 5, the connecting seat 7, the hinge rod 8 and the angle positioning assembly, the limiting teeth 17 wheels 12 on the two sides of the U-shaped plate 10 are driven to move away from each other under the driving of the first spring 11, then the incomplete gear 9 on the circumference of the adapter 5 and the connecting seat 7 is in abutment with the limiting teeth 17 wheels 12, and cannot rotate, the stronger the elastic force of the first spring 11 is, the more stable the angle positioning is; when the hinge angle needs to be changed, the display screen is driven to rise or fall, then the U-shaped plate 10 is driven to slide towards each other, the first spring 11 is intermittently compressed and reset, the limiting teeth 17 wheels 12 rotate until positioning, and then the limiting teeth 17 wheels 12 cooperate with the incomplete gear 9 to realize limiting; the setting of the adjusting assembly is convenient for adjusting the force required for the angle positioning adjustment of the hinge rod 8, the hinge seat is driven to descend into the hinge rod 8 by rotating the threaded rod 14, then the two drive rods 15 drive the sliding plates 13 to move away from each other, the length of the first spring 11 is compressed, then the elastic coefficient of the first spring 11 is increased, the cooperation of the limiting teeth 17 wheels 12 and the incomplete gear 9 is more stable, and at the same time, the force required for the angle positioning assembly of the hinge rod 8 is also greater.

[0041] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0042] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

[0043] The present application and its embodiments have been described above, and such description is not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if those ordinary skilled in the art are inspired by the embodiments, without departing from the creative principles of the present application, they can design similar structural modes and embodiments without creative design, which should belong to the protection scope of the present application.

Claims

1. A liquid crystal display screen fixing assembly, comprising a clamping seat (1) and a mounting plate (2), a mounting groove matched with the mounting plate (2) is arranged on a back plate of the display screen, and a limiting groove is arranged circumferentially on the mounting groove, characterized in that: The installation plate (2) is circumferentially and oppositely provided with a limiting rod (3), the limiting rod (3) is matched with a limiting groove, a rotating disc (4) is rotatably connected in the middle of the installation plate (2), a rotating joint (5) is connected on the rotating disc (4), a connecting rod (6) is rotatably connected at the top end of the clamping seat (1), a connecting seat (7) is rotatably connected at the other end of the connecting rod (6), a hinge rod (8) is hingedly arranged between the connecting seat (7) and the rotating joint (5), the hinge rod (8) is respectively provided with an angle positioning assembly capable of positioning the hinge angle of both ends and an adjusting assembly capable of adjusting the positioning elastic coefficient.

2. The liquid crystal display screen fixing assembly according to claim 1, wherein: The connecting rod (6) is a Z-shaped structure.

3. The liquid crystal display screen fixing assembly according to claim 1, wherein: The angle positioning assembly comprises an incomplete gear (9) connected circumferentially to the rotating joint (5) and the connecting seat (7), the hinge rod (8) is hollow, U-shaped plates (10) are slidably connected at both ends of the hinge rod (8), a first spring (11) is arranged between the U-shaped plates (10), and limiting gears (12) meshing with the incomplete gear (9) are rotatably connected to the inner sides of the U-shaped plates (10).

4. The liquid crystal display screen fixing assembly according to claim 3, wherein: The adjusting assembly comprises a sliding plate (13) slidably connected on both sides of the hinge rod (8), the first spring (11) is connected between the sliding plate (13) and the U-shaped plate (10), a threaded hole is arranged in the middle of the hinge rod (8), a threaded rod (14) is arranged in the threaded hole in a threaded manner, a knob is connected to the top end of the threaded rod (14), a hinge seat is rotatably connected to the inner side of the hinge rod (8) at the bottom end of the threaded rod (14), drive rods (15) are hingedly arranged at both sides of the bottom end of the hinge seat, and the other ends of the drive rods (15) are hingedly connected to the sliding plate (13).

5. The liquid crystal display screen fixing assembly according to claim 1, wherein: An inner ring groove and a sliding groove are connected to the installation plate (2), the rotating disc (4) is rotatably connected to the inner ring groove, a gear ring (16) is circumferentially connected to the rotating disc (4), limiting teeth (17) are slidably connected to the installation plate (2) circumferentially in the inner ring groove, the limiting teeth (17) are slidably connected to the sliding groove, and a second spring (18) is connected between the limiting teeth (17) and the end wall of the sliding groove.

6. The liquid crystal display screen fixing assembly according to claim 1, wherein: An outer ring groove is connected to the installation plate (2), a drive ring (19) is hingedly arranged on the inner wall of the outer ring groove through a torsional spring, the drive ring (19) is matched with the inner wall of the outer ring groove, connecting rods (20) are uniformly hingedly arranged on the drive ring (19) circumferentially in the outer ring groove, and the other ends of the connecting rods (20) are hingedly connected to the limiting rods (3), the limiting rods (3) slide through the installation plate (2) from the outer ring groove and are matched with the limiting grooves.

7. The liquid crystal display screen fixing assembly according to claim 6, wherein: An arc-shaped through hole (21) is arranged on the installation plate (2), the through hole (21) is coaxially arranged with the drive ring (19), a drive column is connected to the drive ring (19), and the drive column is arranged through the through hole (21).

Images