CN215735136U

CN215735136U - Rear shell mounting structure of display device

Info

Publication number: CN215735136U
Application number: CN202120948823.2U
Authority: CN
Inventors: 张卫军
Original assignee: Zhenjiang Tomorrow Enterprise Image Planning And Communication Co ltd
Current assignee: Zhenjiang Tomorrow Enterprise Image Planning And Communication Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2022-02-01
Anticipated expiration: 2031-05-06

Abstract

The utility model belongs to the technical field of display device structural design, and particularly relates to a rear shell mounting structure of a display device, which comprises a display screen body and a rear shell, wherein four trapezoidal blocks are fixedly connected to the rear side of the display screen body, one side, close to each other, of two opposite trapezoidal blocks in the four trapezoidal blocks is provided with an inclined plane and a first rectangular groove, the front side of the rear shell is provided with four second rectangular grooves, the rear shell is provided with a square-shaped cavity and two rectangular cavities, two moving rods are arranged in the rectangular cavities, the top ends or the lower ends of the moving rods extend into the corresponding second rectangular grooves and are embedded with balls, and the moving rods are clamped with the corresponding first rectangular grooves. According to the utility model, through the matching of the gear, the rack, the moving rod, the fourth spring and the arc-shaped elastic sheet, the problems that the rear shell cannot be rapidly disassembled and assembled, and the rear shell of the existing display equipment is not provided with a protection device, and internal elements of the display equipment are easily damaged when the rear shell is impacted are solved.

Description

Rear shell mounting structure of display device

Technical Field

The utility model relates to the technical field of structural design of display devices, in particular to a rear shell mounting structure of display equipment.

Background

In the prior art, in order to realize the stable matching of the rear shell and the back plate of the display device, the rear shell and the back plate of the display device are fixed in a screw fixing mode. However, the fixing manner of the rear housing and the back plate wastes a lot of manpower and time, is inefficient, and cannot rapidly detach and mount the rear housing, and the rear housing of the conventional display device has no protection device, so that the rear housing is broken and the internal elements are damaged easily when the rear housing is impacted, and the use requirement cannot be met, so that the rear housing mounting structure of the display device is provided for solving the problems.

There are the following problems:

1. the screw fixation mode wastes a large amount of manpower and time, is inefficient, and can not be fast to dismantle and install the backshell.

2. The conventional display device has no protection device on the rear shell, and when the rear shell is impacted, the rear shell is easy to break and internal elements are easy to damage.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a rear shell mounting structure of a display device, which solves the problems that the rear shell cannot be rapidly disassembled and mounted, and the rear shell of the prior display device is not provided with a protection device, so that internal elements of the display device are easily damaged when the rear shell is impacted.

(II) technical scheme

The utility model specifically adopts the following technical scheme for realizing the purpose:

a rear shell mounting structure of a display device comprises a display screen body and a rear shell, wherein four trapezoidal blocks are fixedly connected to the rear side of the display screen body, one side, close to each other, of each of the two opposite trapezoidal blocks is an inclined plane and is provided with a first rectangular groove, four second rectangular grooves are formed in the front side of the rear shell, a rectangular cavity and two rectangular cavities are formed in the rear shell, two movable rods are arranged in the rectangular cavities and are clamped with the corresponding first rectangular grooves, square plates are fixedly connected to the outer sides of the movable rods, the outer sides of the square plates are slidably connected with the inner walls of the corresponding rectangular cavities, first springs are fixedly connected between the square plates and the inner bottom walls or the inner top walls of the corresponding rectangular cavities, the first springs are sleeved on the outer sides of the corresponding movable rods in a sliding mode, and rotating rods are rotatably connected between the left inner walls and the right inner walls of the rectangular cavities, the utility model discloses a screen display device, including dwang, shape cavity, the first haulage rope of fixedly connected with between the carriage release lever that the both sides of dwang correspond, two the dwang in the one end of keeping away from each other all extend to back in the shape cavity and fixedly connected with gear, two montants of bottom inner wall fixedly connected with of shape cavity, the outside slip cap of montant is equipped with the rack, the rack meshes with the gear that corresponds mutually, fixedly connected with second spring between the bottom of rack and the bottom inner wall of returning the shape cavity, and second spring sliding sleeve establishes in the outside of the montant that corresponds, the top fixedly connected with connecting block of rack, the rear of display screen body is equipped with T shape pole, and the outside at T shape pole is established to back casing rotation cover, fixedly connected with second haulage rope between the connecting block that the both sides of T shape pole correspond.

Further, the rear side of the rear shell is fixedly connected with a return box with an opening at the rear side, the inner wall of the return box is slidably sleeved with a protective shell, the inner wall of the front side of the return box is fixedly connected with four rectangular rods, the front side of the protective shell is fixedly connected with four round rods, the rectangular rods are slidably sleeved on the outer sides of the corresponding round rods, a third spring is fixedly connected between the rectangular rods and the protective shell, the third spring is slidably sleeved on the outer sides of the corresponding round rods, a positioning rod is fixedly connected between two opposite rectangular rods of the four rectangular rods, the outer side of the positioning rod is slidably sleeved with two moving blocks, a fourth spring is fixedly connected between two opposite moving blocks of the four moving blocks, the fourth spring is slidably sleeved on the outer sides of the corresponding positioning rods, an inclined rod is rotatably connected between the moving blocks and the protective shell, and two arc-shaped elastic pieces are movably contacted between the top inner wall and the bottom inner wall of the return box, four fifth springs are fixedly connected between the front side of the arc-shaped elastic sheet and the inner wall of the front side of the clip box, four connecting rods are fixedly connected between the arc-shaped elastic sheet and the protective shell, a supporting rod is fixedly connected to the lower surface of the rear shell, and a base is fixedly connected to the bottom end of the supporting rod.

Furthermore, the top end or the lower end of the moving rod extends into the corresponding second rectangular groove and is embedded with a ball.

Further, rectangular holes are formed in the upper surfaces of the four moving blocks, and the inner walls of the rectangular holes are connected with the outer sides of the corresponding positioning rods in a sliding mode.

Furthermore, the inner walls of the left side and the right side of the square-shaped cavity are rotatably connected with fixed pulleys, and the second traction rope is connected with the outer sides of the corresponding fixed pulleys in a sliding mode.

Furthermore, a second circular hole is formed in the inner wall of the top of the square-shaped cavity, a second bearing is fixedly sleeved on the inner wall of the circular hole, and the inner ring of the second bearing is fixedly connected with the outer side of the T-shaped rod.

(III) advantageous effects

Compared with the prior art, the utility model provides a rear shell mounting structure of a display device, which has the following beneficial effects:

1. according to the utility model, the gear, the rack, the movable rod, the T-shaped rod and the second traction rope are arranged to be matched, the T-shaped rod drives the second traction rope to move, and the problem that the rear shell cannot be rapidly disassembled and assembled is solved under the matching of the movable rod.

2. According to the utility model, the protective shell, the moving block, the inclined rod, the fourth spring and the arc-shaped elastic sheet are matched, the moving block is driven to move through the inclined rod, and the moving block stretches the fourth spring, so that the problem that internal elements of the display device are easily damaged when the rear shell is impacted because the conventional rear shell of the display device is not provided with a protective device is solved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic left-view perspective view of the present invention;

FIG. 3 is a schematic perspective view of a display screen body and a trapezoid block;

FIG. 4 is a schematic view of the internal cross-sectional three-dimensional structure of the rear housing;

FIG. 5 is a schematic diagram of a right sectional perspective structure of the clip plate;

fig. 6 is a schematic perspective view of the protective case;

FIG. 7 is a schematic top sectional perspective view of the return plate;

FIG. 8 is an enlarged perspective view of portion A of FIG. 4;

FIG. 9 is an enlarged perspective view of portion B of FIG. 4;

FIG. 10 is an enlarged perspective view of portion C of FIG. 5;

fig. 11 is an enlarged perspective view of a portion D in fig. 7.

In the figure: 1. a display screen body; 2. a trapezoidal block; 3. a rear housing; 4. a travel bar; 5. a square plate; 6. a first spring; 7. rotating the rod; 8. a first pull cord; 9. a gear; 10. a vertical rod; 11. a rack; 12. a second spring; 13. connecting blocks; 14. a T-shaped rod; 15. a fixed pulley; 16. a second pull cord; 17. a box of the shape of the Chinese character hui; 18. a rectangular bar; 19. a circular rod; 20. a protective shell; 21. a third spring; 22. positioning a rod; 23. a moving block; 24. a fourth spring; 25. a diagonal bar; 26. an arc-shaped elastic sheet; 27. a fifth spring; 28. a connecting rod; 29. a support bar; 30. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1, 3, 8 and 9, an embodiment of the present invention proposes: a back shell mounting structure of a display device comprises a display screen body 1 and a back shell 3, in order to connect the display screen body 1 with the back shell 3, the back side of the display screen body 1 is fixedly connected with four trapezoidal blocks 2, one side of the two opposite trapezoidal blocks 2 in the four trapezoidal blocks 2, which is close to each other, is provided with an inclined plane and a first rectangular groove, the front side of the back shell 3 is provided with four second rectangular grooves which are clamped with the corresponding trapezoidal blocks 2, in order to install the display screen body 1 and the back shell 3 without looseness, the back shell 3 is provided with a rectangular cavity and two rectangular cavities, in order to fix the trapezoidal blocks 2, two movable rods 4 are arranged in the rectangular cavities, the top ends or the lower ends of the movable rods 4 extend into the corresponding second rectangular grooves and are embedded with balls, the balls are matched with the corresponding trapezoidal blocks 2, the movable rod 4 is clamped with the corresponding first rectangular groove, so that the display screen body 1 is fixed on the rear shell 3, the outer side of the movable rod 4 is fixedly connected with a square plate 5, the outer side of the square plate 5 is in sliding connection with the inner wall of the corresponding rectangular cavity, in order to enable the movable rod 4 and the corresponding first rectangular groove to be automatically clamped into the trapezoidal block 2, a first spring 6 is fixedly connected between the square plate 5 and the inner bottom wall or the inner top wall of the corresponding rectangular cavity, the first spring 6 is sleeved on the outer side of the corresponding movable rod 4 in a sliding way, a rotating rod 7 is rotatably connected between the inner wall at the left side and the inner wall at the right side of the rectangular cavity, in order to enable the movable rod 4 at the same side to move towards the direction close to each other, one end of a first traction rope 8 is fixedly connected to the two sides of the rotating rod 7, the other end of the first traction rope 8 is fixedly connected with the corresponding movable rod 4, in order to facilitate the rotation of the rotating rod 7, one end of each of the two rotating rods 7, which is far away from each other, extends into the rectangular-square-shaped cavity and is fixedly connected with a gear 9, the inner wall of the bottom of the rectangular-square-shaped cavity is fixedly connected with two vertical rods 10, the outer side of each vertical rod 10 is slidably sleeved with a rack 11, the rack 11 drives the gear 9 to rotate, so that the gear 9 drives the rotating rods 7 to rotate to wind the first traction rope 8, so that the two corresponding moving rods 4 move towards the direction far away from each other, the rear shell 3 is conveniently separated from the display screen body 1, the rack 11 is meshed with the corresponding gear 9, a second spring 12 is fixedly connected between the bottom end of the rack 11 and the inner wall of the bottom of the rectangular-square-shaped cavity, the second spring 12 is slidably sleeved on the outer side of the corresponding vertical rod 10, the top end of the rack 11 is fixedly connected with a connecting block 13, a T-shaped rod 14 is arranged behind the display screen body 1, the rear shell 3 is rotatably sleeved on the outer side of the T-shaped rod 14, the left side inner wall and the right side inner wall of returning to the shape cavity all rotate and be connected with fixed pulley 15, in order to make two rack 11 simultaneous upward movement, the both sides fixedly connected with second haulage rope 16's of T shape pole 14 one end, the other end and the connecting block 13 fixed connection that corresponds of second haulage rope 16, thereby rotate T shape pole 14 and twine second haulage rope 16, second haulage rope 16 passes through connecting block 13 and drives the rack 11 that corresponds and remove, second haulage rope 16 and the outside sliding connection of the fixed pulley 15 that corresponds.

As shown in fig. 10 and 11, in some embodiments, a clip 17 having an open rear side is fixedly connected to the rear side of the rear housing 3, in order to protect the rear housing and the internal components of the display device, a protective housing 20 is slidably sleeved on the inner wall of the clip 17, four rectangular rods 18 are fixedly connected to the inner wall of the front side of the clip 17, four circular rods 19 are fixedly connected to the front side of the protective housing 20, the rectangular rods 18 are slidably sleeved on the outer sides of the corresponding circular rods 19, a third spring 21 is fixedly connected between the rectangular rods 18 and the protective housing 20, the third spring 21 is slidably sleeved on the outer sides of the corresponding circular rods 19, when the protective housing 20 is impacted forwards, the protective housing 20 compresses the third spring 21, the elastic force of the third spring 21 plays a role in front-back buffering and shock absorption of the protective housing 20, a positioning rod 22 is fixedly connected between two opposite rectangular rods 18 of the four rectangular rods 18, two moving blocks 23 are slidably sleeved outside the positioning rods 22, a fourth spring 24 is fixedly connected between two opposite moving blocks 23 in the four moving blocks 23, the fourth spring 24 is slidably sleeved outside the corresponding positioning rods 22, an inclined rod 25 is rotatably connected between each moving block 23 and the protective shell 20, the protective shell 20 drives the corresponding moving blocks 23 to move in a direction away from each other through the inclined rods 25, the corresponding fourth springs 24 are stretched in the moving process of the moving blocks 23 to generate elastic force, the front and rear impact force applied to the protective shell 20 is reduced into up and down force by using the inclined rods 25 and the fourth springs 24, so that the force of the protective shell 20 on the display device is buffered, two arc-shaped elastic pieces 26 are movably contacted between the top inner wall and the bottom inner wall of the clip 17, and four fifth springs 27 are fixedly connected between the front side of the arc-shaped elastic pieces 26 and the front side inner wall of the clip 17, four connecting rods 28 of fixedly connected with between arc shell fragment 26 and the protective housing 20, the lower fixed surface of back casing 3 is connected with bracing piece 29, the bottom fixedly connected with base 30 of bracing piece 29 utilizes connecting rod 28 to extrude arc shell fragment 26 to make arc shell fragment 26 take place to deform and produce elasticity and arc shell fragment 26 and take place to compress fifth spring 27 when deformation, the elasticity through arc shell fragment 26 and the elasticity of fifth spring 27 cushion protective housing 20.

As shown in fig. 8, in order to reduce friction when the moving rod 4 is engaged with the trapezoidal block 2 (shown in fig. 3), the top end or the bottom end of the moving rod 4 extends into the corresponding second rectangular groove and is engaged with the ball.

As shown in fig. 10, in order to facilitate that the moving block 23 can only move up and down without deflection, rectangular holes are formed on the upper surface of the moving block 23, and the inner walls of the rectangular holes are slidably connected with the outer sides of the corresponding positioning rods 22.

As shown in FIG. 8, in order to facilitate the second traction rope 16 to reduce friction during movement, the fixed pulleys 15 are rotatably connected to the left inner wall and the right inner wall of the hollow square-shaped cavity, and the second traction rope 16 is slidably connected to the outer sides of the corresponding fixed pulleys 15.

As shown in fig. 9, in order to prevent the T-shaped rod 14 from shifting during rotation, a second circular hole is formed in the inner wall of the top of the square-shaped cavity, a second bearing is fixedly sleeved on the inner wall of the first circular hole, and the inner ring of the second bearing is fixedly connected with the outer side of the T-shaped rod 14.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a display device's backshell mounting structure, includes display screen body (1) and back casing (3), its characterized in that: the rear side of the display screen body (1) is fixedly connected with four trapezoidal blocks (2), one side, close to each other, of each of the two opposite trapezoidal blocks (2) in the four trapezoidal blocks (2) is provided with an inclined plane and a first rectangular groove, the front side of the rear shell (3) is provided with four second rectangular grooves, a rectangular cavity and two rectangular cavities are formed in the rear shell (3), two moving rods (4) are arranged in the rectangular cavities, the moving rods (4) are clamped with the corresponding first rectangular grooves, the outer side of each moving rod (4) is fixedly connected with a square plate (5), the outer side of each square plate (5) is slidably connected with the inner wall of the corresponding rectangular cavity, a first spring (6) is fixedly connected between each square plate (5) and the inner bottom wall or the inner top wall of the corresponding rectangular cavity, and the first spring (6) is slidably sleeved on the outer side of the corresponding moving rod (4), a rotating rod (7) is rotatably connected between the inner wall of the left side and the inner wall of the right side of the rectangular cavity, a first traction rope (8) is fixedly connected between moving rods (4) corresponding to the two sides of the rotating rod (7), one ends of the two rotating rods (7) which are far away from each other all extend into the clip-shaped cavity and are fixedly connected with gears (9), two vertical rods (10) are fixedly connected with the inner wall of the bottom of the clip-shaped cavity, racks (11) are slidably sleeved on the outer sides of the vertical rods (10), the racks (11) are meshed with the corresponding gears (9), a second spring (12) is fixedly connected between the bottom end of each rack (11) and the inner wall of the bottom of the clip-shaped cavity, the second spring (12) is slidably sleeved on the outer side of the corresponding vertical rod (10), a connecting block (13) is fixedly connected to the top end of each rack (11), a T-shaped rod (14) is arranged at the rear part of the display screen body (1), the rear shell (3) is rotatably sleeved on the outer side of the T-shaped rod (14), and a second traction rope (16) is fixedly connected between the connecting blocks (13) corresponding to the two sides of the T-shaped rod (14).

2. A rear case mounting structure of a display device according to claim 1, wherein: the rear side of the rear shell (3) is fixedly connected with a box (17) with an opening at the rear side, a protective shell (20) is slidably sleeved on the inner wall of the box (17), four rectangular rods (18) are fixedly connected with the inner wall of the front side of the box (17), four round rods (19) are fixedly connected with the front side of the protective shell (20), the rectangular rods (18) are slidably sleeved on the outer sides of the corresponding round rods (19), a third spring (21) is fixedly connected between the rectangular rods (18) and the protective shell (20), the third spring (21) is slidably sleeved on the outer sides of the corresponding round rods (19), a positioning rod (22) is fixedly connected between two opposite rectangular rods (18) in the four rectangular rods (18), two moving blocks (23) are slidably sleeved on the outer sides of the positioning rod (22), and a fourth spring (24) is fixedly connected between two opposite moving blocks (23) in the four moving blocks (23), the sliding sleeve of the fourth spring (24) is arranged on the outer side of the corresponding positioning rod (22), an inclined rod (25) is rotatably connected between the moving block (23) and the protective shell (20), two arc-shaped elastic sheets (26) are movably contacted between the inner wall of the top and the inner wall of the bottom of the return box (17), four fifth springs (27) are fixedly connected between the front side of each arc-shaped elastic sheet (26) and the inner wall of the front side of the return box (17), four connecting rods (28) are fixedly connected between each arc-shaped elastic sheet (26) and the protective shell (20), a supporting rod (29) is fixedly connected to the lower surface of the rear shell (3), and a base (30) is fixedly connected to the bottom of the supporting rod (29).

3. A rear case mounting structure of a display device according to claim 1, wherein: the top end or the lower end of the moving rod (4) extends into the corresponding second rectangular groove and is embedded with a ball.

4. A rear case mounting structure of a display device according to claim 2, wherein: rectangular holes are formed in the upper surfaces of the four moving blocks (23), and the inner walls of the rectangular holes are connected with the outer sides of the corresponding positioning rods (22) in a sliding mode.

5. A rear case mounting structure of a display device according to claim 1, wherein: the inner walls of the left side and the right side of the square-shaped cavity are both rotatably connected with a fixed pulley (15), and a second traction rope (16) is in sliding connection with the outer side of the corresponding fixed pulley (15).

6. A rear case mounting structure of a display device according to claim 1, wherein: a second circular hole is formed in the inner wall of the top of the square-shaped cavity, a second bearing is fixedly sleeved on the inner wall of the second circular hole, and the inner ring of the second bearing is fixedly connected with the outer side of the T-shaped rod (14).