CN212183635U

CN212183635U - Injection molding outer frame of household liquid crystal display television

Info

Publication number: CN212183635U
Application number: CN202020804445.6U
Authority: CN
Inventors: 王占生
Original assignee: Xuzhou Tengersheng Machinery Equipment Technology Co ltd
Current assignee: Xuzhou Tengersheng Machinery Equipment Technology Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-12-18
Anticipated expiration: 2030-05-15

Abstract

The utility model discloses a domestic LCD TV injection molding frame, which comprises a rear cover and an upper shell, wherein the inside of the rear cover is fixedly connected with a mounting plate, a working cavity is arranged inside the rear cover, the right lower side of the rear cover is fixedly connected with a positioning block, a fixing groove is arranged on the positioning block, an upper connecting plate is arranged on the left side of a support plate, the upper connecting plate is connected with a lower connecting plate, a buffer pad is arranged on the support plate, a protection plate is fixedly connected on the buffer pad, and a mounting groove is arranged at the lower end of the rear cover; the upper casing is internally provided with a clamping groove, the upper right side of the upper casing is provided with a positioning groove, the positioning groove is provided with a hole, and the upper casing is provided with a clamping column. This domestic LCD TV frame of moulding plastics has even the board and links the angle reduction between the board down on, compresses buffer spring, plays the effect of buffering, carries out the characteristics of large tracts of land protection to the back lid.

Description

Injection molding outer frame of household liquid crystal display television

Technical Field

The utility model relates to a TV set accessory protection technical field specifically is a domestic LCD TV frame of moulding plastics.

Background

The plastic outer frame is a structure for protecting a back plate of a television, the television is a machine for transmitting optical information by using an electric method according to the persistence of vision characteristics and the vision psychology of human eyes, a basic system of the television consists of three parts, namely shooting, transmission and display, the television mainly consists of a high-frequency head, an accompanying sound channel, a public channel, a synchronous scanning channel, color control display and a power supply, and the back plate is a protection plate at the rear side of the television; however, the prior art has the following defects: 1. the traditional plastic frame is simple in design structure, the anti-collision performance is poor in the using process, the television back plate is easy to damage after being collided, and the protection performance is poor; 2. when the plastic frame is used, the plastic frame can only be used for a television backboard with a specified size, the use range is small, and the television backboard cannot be fixed after the plastic frame and the television backboard are assembled, so that the practicability is poor; in order to solve the above-mentioned defects, the prior art discloses (application number: CN201920556195.6) an anti-collision plastic outer frame for a tv back plate, which proposes that "a silica gel round backing plate 7 is connected with a silica gel corner pad 5 through a silica gel strip 1 fixed at the edge position of the silica gel round backing plate 7 by melting, and the silica gel round backing plate 7 is effectively reinforced by the silica gel strip 1; "and" the internally mounted of shock pad 6 has second spring 14, and the tip of second spring 14 exerts pressure to spliced pole 15, the tip bonding of spliced pole 15 is provided with stopper 13, spliced pole 15 embedding sets up in shock pad 6, and with the inner wall clearance fit of shock pad 6, and stopper 13 and shock pad 6's inside wall overlap joint, "1 texture of silica gel strip is not hard enough, it is poor to consolidate the effect of silica gel circle backing plate 7, simultaneously shock pad 6 is less at the area at the back of frame body 9, can only cushion the operation to the pressure of striking on shock pad 6, can't carry out shock attenuation protection work to all the other places.

In order to solve the disadvantages existing in the current market, there is an urgent need for an improved technique for tv play housing devices.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming the defect that mentions in the background art, provide a domestic LCD TV frame of moulding plastics. Go up even board, even board and buffer spring have even board and even down the angle between the board reduce, compress buffer spring, play the effect of buffering, carry out the characteristics of large tracts of land protection to the back lid.

In order to achieve the above object, the utility model provides a following technical scheme: an injection molding outer frame of a household liquid crystal television comprises a rear cover and an upper shell, wherein a mounting plate is fixedly connected inside the rear cover, a working cavity is formed in the rear cover, a positioning block is fixedly connected to the right lower side of the rear cover, a fixing groove is formed in the positioning block, an upper connecting plate is installed on the left side of a support plate and is connected with a lower connecting plate, a cushion pad is installed on the support plate, a protection plate is fixedly connected to the cushion pad, and a mounting groove is formed in the lower end of the rear cover;

the upper casing is internally provided with a clamping groove, the upper right side of the upper casing is provided with a positioning groove, the positioning groove is provided with a hole, and the upper casing is provided with a clamping column.

Preferably, the upper connecting plate and the lower connecting plate are hinged together and are fixedly connected through a buffer spring.

Preferably, the area of the protection plate is equal to five sixths of the area of the back of the rear cover, and the cross section of the protection plate and the section of the buffer pad are of a T-shaped structure.

Preferably, two ends of the support plate are hinged with two groups of upper connecting plates, the upper connecting plates and the lower connecting plates are arranged in a herringbone mode, and the lower ends of the lower connecting plates are hinged inside the working cavity.

Preferably, the support plate is fixedly connected with a limiting block, the limiting block is of a circular structure made of hard rubber, four groups of limiting grooves are formed in the cushion pad, and the limiting block is inserted into the limiting grooves.

Preferably, the positioning block is matched with the positioning groove in size, and the rear cover is inserted into the positioning groove through the positioning block on the rear cover.

Preferably, the clamping column is fixedly connected with a dismounting hole, and the clamping column is of a rectangular structure made of plastic materials.

Preferably, the lower extreme of card post passes trompil and constant head tank setting inside the fixed slot, and the card post is detachable construction.

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

1. the upper connecting plate is extruded, and meanwhile, the angle between the upper connecting plate and the lower connecting plate is reduced, so that the buffer spring is compressed, a buffer effect is achieved, the rear cover is protected, and an anti-collision function is provided for the rear cover of the television;

2. can pull out the card post from the fixed slot through the dismantlement hole on the card post, have and replace traditional spiro union fixed mode, dismantle the convenience, fixed simple characteristics.

Drawings

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

FIG. 2 is a schematic sectional view of the structure A-A of the present invention;

FIG. 3 is a schematic cross-sectional view of the structure B-B of the present invention;

FIG. 4 is a schematic view of the rear cover of the present invention;

FIG. 5 is a schematic view of the upper connecting plate structure of the present invention;

FIG. 6 is a top view of the structure protection plate of the present invention;

fig. 7 is a top view of the structural support plate of the present invention;

FIG. 8 is a schematic cross-sectional view of the structure protection plate of the present invention;

FIG. 9 is a schematic view of the buffer spring of the present invention;

fig. 10 is a schematic view of the structure of the present invention.

Reference numbers in the figures: 1. a rear cover; 2. an upper connecting plate; 3. a protection plate; 4. a lower connecting plate; 5. a cushion pad; 6. a limiting block; 7. a carrier plate; 8. mounting grooves; 9. mounting a plate; 10. a working chamber; 11. positioning blocks; 12. fixing grooves; 13. positioning a groove; 14. an upper shell; 15. a card slot; 16. opening a hole; 17. clamping the column; 18. a limiting groove; 19. a buffer spring; 20. and (6) disassembling the hole.

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. 1-10, the present invention provides a technical solution: an injection molding outer frame of a household liquid crystal television comprises a rear cover 1 and an upper shell 14, wherein a mounting plate 9 is fixedly connected inside the rear cover 1, a working cavity 10 is formed inside the rear cover 1, a positioning block 11 is fixedly connected to the lower right side of the rear cover 1, a fixing groove 12 is formed in the positioning block 11, two groups of upper connecting plates 2 are hinged to two ends of a support plate 7, the upper connecting plates 2 and lower connecting plates 4 are arranged in a herringbone mode, and the lower ends of the lower connecting plates 4 are hinged inside the working cavity 10; an upper connecting plate 2 is arranged on the left side of a carrier plate 7, the upper connecting plate 2 is connected with a lower connecting plate 4, a buffer cushion 5 is arranged on the carrier plate 7, a limiting block 6 is fixedly connected to the carrier plate 7, the limiting block 6 is a circular structure made of hard rubber, four groups of limiting grooves 18 are formed in the buffer cushion 5, and the limiting block 6 is inserted into the limiting grooves 18; the upper connecting plate 2 is hinged with the lower connecting plate 4, and the upper connecting plate 2 is fixedly connected with the lower connecting plate 4 through a buffer spring 19; the buffer pad 5 is fixedly connected with a protection plate 3, and the lower end of the rear cover 1 is provided with an installation groove 8; the area of the protection plate 3 is equal to five sixths of the area of the back of the rear cover 1, and the cross sections of the protection plate 3 and the buffer cushion 5 are of T-shaped structures; the positioning block 11 is matched with the positioning groove 13 in size, and the rear cover 1 is inserted into the positioning groove 13 through the positioning block 11 on the rear cover; the clamp column 17 is fixedly connected with a dismounting hole 20, and the clamp column 17 is a rectangular structure made of plastic materials; the lower end of the clamping column 17 penetrates through the opening 16 and the positioning groove 13 to be arranged inside the fixing groove 12, and the clamping column 17 is of a detachable structure; a clamping groove 15 is formed in the upper shell 14, a positioning groove 13 is formed in the right upper side of the upper shell 14, an opening 16 is formed in the positioning groove 13, and a clamping column 17 is arranged on the upper shell 14;

as shown in fig. 1: when the protection plate 3 is collided, the surface of the buffer cushion 5 is stressed to extrude the upper connecting plate 2, meanwhile, the angle between the upper connecting plate 2 and the lower connecting plate 4 is reduced, the buffer spring 19 is compressed to play a role in buffering, the rear cover 1 is protected, an anti-collision function is provided for the rear cover 1 of the television, and the protection is effectively provided for the rear plate of the television;

the clamping column 17 can be pulled out from the fixing groove 12 through the dismounting hole 20 on the clamping column 17, and the fixing device has the characteristics of replacing the traditional bolt connection fixing mode, being convenient to dismount and simple to fix.

When the injection molding outer frame of the household liquid crystal television is used and a television shell is installed, the rear cover 1 is inserted into the positioning grooves 13 in the upper shell 14 through the four groups of positioning blocks 11 on the rear cover, then the clamping columns 17 penetrate through the openings 16 to be inserted into the positioning grooves 12, the four groups of positioning blocks 11 are fixedly inserted into the four groups of positioning grooves 13, the fixing stability between the rear cover 1 and the upper shell 14 is ensured, the clamping columns 17 can be pulled out of the fixing grooves 12 through the dismounting holes 20 on the clamping columns 17, and the injection molding outer frame has the characteristics of replacing the traditional screwed fixing mode, convenience in dismounting and simplicity in fixing; when the protection plate 3 is collided, the surface of the buffer cushion 5 is stressed to extrude the upper connecting plate 2, meanwhile, the angle between the upper connecting plate 2 and the lower connecting plate 4 is reduced, the buffer spring 19 is compressed to play a role in buffering, the protection effect is realized on the rear cover 1, the protection plate 3 covers the rear cover 1, and the protection work of the rear cover 1 in a large area can be realized; this is the whole process of the injection molding outer frame of the household liquid crystal television.

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 domestic liquid crystal TV frame of moulding plastics which includes back lid (1) and epitheca (14), its characterized in that: the rear cover (1) is fixedly connected with an installation plate (9) inside, a working cavity (10) is formed in the rear cover (1), a positioning block (11) is fixedly connected to the lower right side of the rear cover (1), a fixing groove (12) is formed in the positioning block (11), an upper connecting plate (2) is installed on the left side of the support plate (7), the upper connecting plate (2) is connected with a lower connecting plate (4), a cushion pad (5) is installed on the support plate (7), a protection plate (3) is fixedly connected to the cushion pad (5), and an installation groove (8) is formed in the lower end of the rear cover (1);

a clamping groove (15) is formed in the upper shell (14), a positioning groove (13) is formed in the upper right side of the upper shell (14), meanwhile, a hole (16) is formed in the positioning groove (13), and a clamping column (17) is arranged on the upper shell (14).

2. The injection molding outer frame of the household liquid crystal television set as claimed in claim 1, wherein: the upper connecting plate (2) is hinged with the lower connecting plate (4), and the upper connecting plate (2) is fixedly connected with the lower connecting plate (4) through a buffer spring (19).

3. The injection molding outer frame of the household liquid crystal television set as claimed in claim 1, wherein: the area of the protection plate (3) is equal to five sixths of the area of the back of the rear cover (1), and the cross sections of the protection plate (3) and the buffer pad (5) are of T-shaped structures.

4. The injection molding outer frame of the household liquid crystal television set as claimed in claim 1, wherein: two ends of the carrier plate (7) are hinged with two groups of upper connecting plates (2), the upper connecting plates (2) and the lower connecting plates (4) are arranged in a herringbone mode, and the lower ends of the lower connecting plates (4) are hinged inside the working cavity (10).

5. The injection molding outer frame of the household liquid crystal television set as claimed in claim 1, wherein: the support plate (7) is fixedly connected with a limiting block (6), the limiting block (6) is of a circular structure made of hard rubber, four groups of limiting grooves (18) are formed in the cushion pad (5), and the limiting block (6) is inserted into the limiting grooves (18).

6. The injection molding outer frame of the household liquid crystal television set as claimed in claim 1, wherein: the positioning block (11) is matched with the positioning groove (13) in size, and the rear cover (1) is inserted into the positioning groove (13) through the positioning block (11) on the rear cover.

7. The injection molding outer frame of the household liquid crystal television set as claimed in claim 1, wherein: the clamping column (17) is fixedly connected with a dismounting hole (20), and the clamping column (17) is of a rectangular structure made of plastic materials.

8. The injection molding outer frame of the household liquid crystal television set as claimed in claim 1, wherein: the lower end of the clamping column (17) penetrates through the open hole (16) and the positioning groove (13) to be arranged inside the fixing groove (12), and the clamping column (17) is of a detachable structure.