CN105299415B - Multi-joint liquid crystal display television suspension bracket - Google Patents

Abstract

The invention belongs to the technical field of liquid crystal television equipment and discloses a multi-joint liquid crystal television suspension bracket which comprises a wall-mounted base part and a suspension rocker arm part, wherein the suspension rocker arm part is inserted into the wall-mounted base part, the wall-mounted base part is provided with a circuit board installation space, the suspension rocker arm part comprises a first joint arm part, a second joint arm part, a third joint arm part, a fourth joint arm part and a fifth joint arm part, and a rotating shaft is installed on the first joint arm. According to the liquid crystal television suspension bracket, the wall-hung fixing part and the suspension part are separated, the replacement can be simply and conveniently carried out, the multi-joint multi-degree-of-freedom design is adopted, the liquid crystal television can be easily adjusted in multiple directions, the position can be automatically kept after the adjustment is finished, the service life of the joint is not influenced, the wiring space is provided, wires required by the liquid crystal television can penetrate through the interior, the whole appearance is attractive, and the use convenience is improved.

Description

A multi-joint LCD TV suspension bracket

technical field

The invention relates to a liquid crystal television suspension bracket, in particular to a multi-joint liquid crystal television suspension bracket, which belongs to the technical field of liquid crystal television equipment.

Background technique

Usually, the whole bracket of the multi-joint LCD TV suspension bracket is installed on the wall or the desktop. Once the bracket cannot be used, the whole bracket can only be removed and a new bracket can be installed again.

For the position adjustment of the LCD TV, the holding function is to maintain the position of the LCD TV by locking the bolts of each joint to achieve a certain friction force, or loosen the locking bolts first, and then re-tighten the bolts after adjusting the required position. Obtain position maintenance, but in terms of position adjustment space, usually the multi-joint LCD TV suspension bracket only realizes the position adjustment in one direction within one adjustment action, and the adjustment in multiple directions requires multiple actions to complete. The adjustment of the position of the LCD TV is not easy to operate, and it is easy to cause wear of related parts and reduce the service life.

Some wires used in LCD TVs, such as power wires, signal wires, etc., are usually connected outside the TV bracket, which affects the appearance and ease of use of the TV after hanging.

Contents of the invention

The technical problem to be solved by the present invention overcomes the existing defects, and provides a multi-joint liquid crystal TV hanging bracket. The TV position can be adjusted in multiple directions at the same time and can automatically maintain the position after the adjustment is completed without affecting the life of the joints. It provides a space for wiring, and the lines required by the LCD TV can pass through the interior. The overall appearance is beautiful and the convenience of use is increased. Hanging on the wall A circuit board installation space is provided on the base. If necessary, a circuit board can be installed on the wall-mounted base, which can effectively solve the problems in the background technology.

In order to solve the problems of the technologies described above, the present invention provides the following technical solutions:

The present invention provides a multi-joint LCD TV suspension bracket, which includes a wall-mounted base part and a suspension rocker part. The suspension rocker part is inserted into the wall-mounted base part. The wall-mounted base part is provided with a circuit board installation space. The suspension rocker part includes a first articulated arm part, a second articulated arm part, a third articulated arm part, a fourth articulated arm part and a fifth articulated arm part, and a rotating shaft is installed on the first articulated arm. After being inserted into the wall-mounted base part, it can freely rotate in the left and right directions. The second articulated arm part and the fourth articulated arm part are two sets of independent parallelogram mechanisms and are relatively installed. The fourth articulated arm part can realize the position change in the front, back and up and down directions at the same time. The first extension spring part and the second extension spring part with adjustable tension are installed on the diagonal of the parallelogram mechanism, and the position is maintained by the tension of the extension spring. The LCD TV is suspended at the end of the fifth articulated arm part by adjusting tension of the extension spring to adapt to different hanging weights.

As a preferred technical solution of the present invention, a wiring space is provided inside the part of the suspension rocker, and wires can pass through the interior of the suspension rocker.

As a preferred technical solution of the present invention, a pull ring is provided at one end of the suspension rocker part.

As a preferred technical solution of the present invention, a U-shaped connecting rod is provided on both sides of the second articulated arm part and the fourth articulated arm part, and the third articulated arm part is a split structure.

As a preferred technical solution of the present invention, one end of the third articulated arm part is installed on both sides of the U-shaped connecting rod of the second articulated arm part to form an outer plate-outer connecting rod-connecting piece-inner connecting rod parallelogram The other end of the third articulated arm part is installed on both sides of the U-shaped connecting rod of the fourth articulated arm part to form a stable structure of an outer plate-outer connecting rod-connecting piece-inner connecting rod parallelogram.

As a preferred technical solution of the present invention, the U-shaped base of the fifth articulated arm part is connected to the fourth articulated arm part, and one end of the U-shaped base is connected to two connecting rods of the fourth articulated arm part, so The upper part of the U-shaped base is equipped with a cover plate and the bottom is connected with the pull ring.

The beneficial effects achieved by the present invention are: a multi-joint liquid crystal TV suspension bracket, the wall-mounted fixed part is separated from the hanging part, which can be easily and conveniently replaced, and the multi-joint multi-degree-of-freedom design is adopted, which can easily realize the position of the liquid crystal TV in multiple directions at the same time Adjust and hold after the adjustment, it can automatically maintain the position without affecting the life of the joints. It provides a space for wiring. The lines required by the LCD TV can pass through the interior. The overall appearance is beautiful and the convenience of use is increased. The base provides a wall-mounted base There is a circuit board installation space, if necessary, the circuit board can be installed on the wall mount base.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, and are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention.

In the attached picture:

Figure 1 is an overall appearance and an explanatory diagram of each part;

Figure 2 is an exploded view of the wall-mounted base;

Fig. 3 is a partial sectional view of the suspension rocker inserted into the wall-mounted base;

Fig. 4 is an overall sectional view of the suspension rocker arm in a state of 45°;

Fig. 4a is a cross-sectional view of each joint of the suspension rocker in the state of 45°;

Figure 5 is an exploded view of the suspension rocker as a whole;

Figure 6 is a perspective view of the connecting rod with the wire slot installed;

Fig. 7 is a schematic diagram of actions;

Symbols in the figure: 1a, hinge point; 1b, hinge point; 1c, hinge point; 1d, hinge point; 10, base part; 100, LCD TV set; 101, boss base; 101a, installation space; 102, cover Plate; 103, shaft sleeve; 105, first fixing screw; 106, second fixing screw; 20, first articulated arm part; 2a, hinge point; 2b, hinge point; 2c, hinge point; 2c, hinge point; 2d , hinge point; 30, second articulated arm part; 40, third articulated arm part; 50, fourth articulated arm part; 60, fifth articulated arm part; 201, U-shaped base; 202, circular shaft; 301, Outer connecting rod; 302, inner connecting rod; 303, wiring trough; 305, tension spring part; 305a, adjusting bolt; 305b, pull piece; 305c, pull piece pin; 305d, support pin; 401, outer plate; Connecting piece; 405, intermediate reinforcing pin; 407, connecting piece; 501, inner connecting rod; 502, outer connecting rod; 503, wiring groove; 505, extension spring part; 505a, adjusting bolt; 505c, pull piece pin; 505d , support pin; 70a, wire slot; 80a, electric wire; 603, pull ring.

detailed description

The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

Embodiment: In the overall outline structure diagram of a multi-joint LCD TV suspension bracket shown in accompanying drawing 1, the wall-mounted base part 10 for fixing the whole suspension bracket on the wall and the first articulated arm part 20, The second articulated arm part 30, the third articulated arm part 40, the fourth articulated arm part 50, and the fifth articulated arm part 60 form the suspension rocker part, and the suspended LCD TV 100 is installed on the fifth articulated arm part 60. end.

In the structure of the wall-mounted base part 10 in the accompanying drawing 2, the wall-mounted base part 10 has a base with a boss 101 that can be fixed on the wall by bolts, and an installation space 101a for a circuit board is reserved on the boss base 101 , the circuit board can be installed here, the cover plate 102 is installed on the upper part of the installation space 101a and fixed by screws 104, holes can be freely opened on the cover plate 102 for the outlet of the circuit board, and the rotating shaft sleeve 103 is inserted into the upper part of the boss base 101 And lock with the first set screw 105 on the side of the boss base 101, the second set screw 106 is installed at the bottom of the first set screw 105, and the second set screw 106 is installed on the first articulated arm part 10 for locking. The circular shaft 202 is reserved.

In the installation method of the wall-mounted base part 10 and the suspension rocker part in the accompanying drawing 3, the wall-mounted base part 10 is fixedly installed on the wall through the bolt holes of the boss base 101 of the wall-mounted base part 10, and installed on the suspension rocker The circular shaft 202 on the U-shaped base 201 of the first articulated arm part 20 of the arm is inserted into the rotating shaft sleeve 103 of the wall-mounted base part 10. After the insertion, the circular shaft 202 can rotate freely, that is, the entire suspension rocker arm can rotate freely. The shaft sleeve 103 is provided with a through hole, and the fixing screw 106 installed on the boss base 101 of the wall-mounted base part 10 can pass through the through hole to lock the round shaft 202. When the suspension rocker arm does not need to rotate, it can The circular shaft 202 is locked.

In the accompanying drawings 4-5, the circular shaft 202 of the first articulated arm part 20 is inserted into the bottom of the U-shaped base 201 and the hole on the opposite side of the bottom and fixed on the U-shaped base. The circular shaft 202 is inserted into the wall-mounted base Rotating shaft sleeve 103 endoporus can freely rotate behind, and the second articulated arm part 30 inner and outer sides respectively have a U-shaped connecting rod, inner connecting rod 302 and outer connecting rod 301, and wiring groove 303 is installed on the inner connecting rod, here two Both ends of the root connecting rods have holes penetrating both sides of the U-shape, and the lower holes of the two connecting rods are respectively coaxially connected to the upper two holes of the U-shaped base 201 of the first articulated arm to form holes that penetrate both sides of the U-shape. Two hinge points (1a) and hinge point 1b that can rotate freely, the holes at the upper ends of the two connecting rods are coaxially connected to the corresponding holes of the two outer plates 401 of the third articulated arm part 40 to form two hinge points 1c that can rotate freely and hinge point 1d, where hinge point 1a, hinge point 1c, hinge point 1d and hinge point 1b form a parallelogram, and an adjustable pulley is installed on the diagonal direction of the parallelogram formed by hinge point 1a and hinge point 1d. Extension spring part 305, extension spring tension can be adjusted by adjusting bolt 305a, extension spring part 305 is installed on the pull-tab pin 305c that is connected with the pull-tab 305b of the pull-tab 305b of the other end of the extension spring by the support pin 305d that is used to support the adjustment bolt 305a In the diagonal direction of the parallelogram formed by the hinge point 1a- and the hinge point 1d, the support pin 305d is coaxially connected to the hinge point 1a, and the pull pin 305c is coaxially connected to the hinge point 1d, where both connections can be freely rotated , the third articulated arm part 40 is a split structure, in which there are respectively coaxially connected to the inner link 302 and the outer link 301 of the second articulated arm part 30 on both sides of the U-shaped outer sides and the inner link of the fourth articulated arm part 50 501 and outer connecting rod 502 are U-shaped outer plates 401 on both sides of the outer sides. The middle reinforcement pin 405 is provided to connect the outer plates 401 on both sides, and the cover plate 408 covers the middle upper part of the outer plates 401 on both sides. The U-shaped inner side of the connecting rod 301 is coaxially connected with two connecting pieces 402, and each connecting piece is connected with one piece on the left and right sides of the U-shaped inner wall of the connecting rod. Each connecting piece is coaxially connected with the outer connecting rod 301 and the inner connecting piece. The upper end hole of the connecting rod 302 forms a stable structure of the parallelogram of the outer plate 401, the outer connecting rod 301, the connecting piece 402 and the inner connecting rod 302 on both sides of the U-shaped connecting rod through this connection, and the third articulated arm The part 40 has the same connection method as the connection of the second articulated arm part 30 at the joint of the fourth articulated arm part 50, and the two connecting pieces 407 are coaxially connected on the inner side of the U shape connecting the inner link 501 and the outer link 502, The connecting piece 407 is respectively connected with a piece on the left and right sides of the U-shaped inner wall of the connecting rod, and each connecting piece is coaxially connected with the upper end holes of the outer connecting rod 502 and the inner connecting rod 501. Both sides of the connecting rod constitute the stable structure of the lateral plate 401, the outer connecting rod 502, the connecting piece 407 and the parallelogram of the inner connecting rod 501, and the third articulated arm part 40 and the second articulated arm part 30 at the left end have two stable structures. There are two parallelogram structures connected with the fourth articulated arm part 50 at the right end. There is a U-shaped connecting rod on the inner and outer sides of the fourth articulated arm part 50, the inner connecting rod 501 and the outer connecting rod. Rod 502, the wiring groove 503 is installed on the inner connecting rod, here both ends of the two connecting rods have holes penetrating both sides of the U shape, and the upper end holes of the two connecting rods are respectively coaxially connected to the third joint arm part 40 The holes corresponding to the two outer plates 401 form two hinge points 2b and 2c that can rotate freely. The holes at the lower ends of the two connecting rods are coaxially connected to the corresponding holes of the fifth articulated arm part 60 to form two freely rotatable hinge points 2e and 2d, where hinge point 2b-hinge point 2e-hinge point 2d-hinge point 2c forms a parallelogram, and an extension spring part 505 with adjustable tension is installed on the diagonal direction of the parallelogram formed by hinge point 2b- and hinge point 2d. The extension spring tension can be adjusted by adjusting bolt 505a, and extension spring part 505 The support pin 505d for supporting the adjustment bolt 505a and the pull pin 505c connected to the pull piece 505b at the other end of the tension spring are installed on the diagonal direction of the parallelogram formed by the hinge point 1a- and the hinge point 1d, and the support pin 505d and the two outer plates connected to the third articulated arm part 40 form a separate hinge point 2a, and the pull tab pin 505c is coaxially connected with the hinge point 2d, where both connections can freely rotate, and the fifth articulated arm Part 60 has connected the fourth articulated arm part 50 U-shaped base 601, the inner side of the left end of U-shaped base 601 is connected with two connecting rods of the fourth articulated arm part 50, the top is equipped with a cover plate 602 to cover the U-shaped mouth, and the bottom can be Attach the pull ring 603.

In accompanying drawing 6, the connecting rod 302 in the second articulated arm part 30 and the connecting rod 501 in the fourth articulated arm part 50 are equipped with a wiring trough 70a, and the electric wires 80a needed by the LCD TV 100 can pass through the wiring trough 70a, and the The wires 80a are concealed within the suspension bracket. The effect after threading is like the electric wire 80a in Fig. 4 .

It should be noted that the present invention is a multi-joint liquid crystal TV suspension bracket. When working, the first articulated arm part 20, the second articulated arm part 30, the third articulated arm part 40, the fourth articulated arm part 50 and the fifth articulated arm part The articulated arm part 60, the joint of each articulated arm can rotate freely, when the whole suspension rocker is inserted into the wall-mounted base through the circular shaft 202 installed on the first articulated arm part 20, the whole suspension rocker can be relatively hung The wall base is free to rotate, the second articulated arm part 30 and the fourth articulated arm part 50 are parallelogram mechanisms, and the third articulated arm part 40 and the fifth articulated arm part 60 connected thereto will always maintain a plane position without tilting or It is to rotate and shake the LCD TV 100 installed at the end of the fifth articulated arm part 60, and the position adjustment in multiple directions can be obtained simultaneously through the swing of the two parallel four-bar mechanisms of the second articulated arm part 30 and the fourth articulated arm part 50 , and at the same time, under the tension of the tension springs installed at the diagonal positions of the second articulated arm part 30 and the fourth articulated arm part 50, the LCD TV 100 can automatically maintain the position after the adjustment is completed.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still The technical solutions recorded in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (4)

1. A multi-joint LCD TV suspension bracket, comprising a wall-mounted base part (10) and a suspended rocker arm part, characterized in that the suspension rocker arm part is inserted into the wall-mounted base part (10), and the wall-mounted The base part (10) is provided with a circuit board installation space (101a). The suspension rocker part includes a first articulated arm part (20), a second articulated arm part (30), a third articulated arm part (40), a fourth articulated arm part The articulated arm part (50) and the fifth articulated arm part (60), the first articulated arm (20) is equipped with a rotating shaft, which can freely rotate left and right after being inserted into the wall-mounted base part (10), and the first articulated arm (20) is The second articulated arm part (30) and the fourth articulated arm part (50) are two sets of independent parallelogram mechanisms and are installed oppositely. When the suspension rocker is shaken, the second articulated arm part (30) and the fourth articulated arm part ( 50) The position changes in the front, back, and up and down directions can be realized at the same time. The first tension spring part (305) and the second tension spring part (505) with adjustable tension are installed on the diagonal of the parallelogram mechanism. To keep the position, adapt to different hanging weights by adjusting the tension of the tension spring, the end of the fifth articulated arm part (60) hangs the LCD TV (100), and one end of the hanging rocker part is provided with a pull ring (603), the The U-shaped base (601) of the fifth articulated arm part (60) is connected to the fourth articulated arm part (50), and one end of the U-shaped base (601) is connected to two connecting rods of the fourth articulated arm part (50). The upper part of the U-shaped base (601) is equipped with a cover plate (602) and the bottom is connected with the pull ring (603); the wall-mounted base part (10) has a boss with a bolt that can be fixed on the wall The base (101), the mounting space (101a) of the circuit board is reserved on the boss base (101), the upper part of the mounting space (101a) is installed with a cover plate (102) and fixed by screws (104) , insert the rotating shaft sleeve (103) on the upper part of the boss base (101) and lock it with the first fixing screw (105) on the side of the boss base (101), on the first fixing screw (105 ) The second fixing screw (106) is installed on the lower part, and the round shaft (202) installed on the U-shaped base (201) of the first joint arm part (20) of the suspension rocker arm is inserted into the rotating shaft of the wall-mounted base part (10) In the sleeve (103), the circular shaft (202) can rotate freely after being inserted, and a through hole is provided on the rotating shaft sleeve (103), which is installed on the boss base (101) of the wall-mounted base part (10). Set screw (106) passes through this hole locking circular shaft (202). 2 . The multi-joint liquid crystal television suspension bracket according to claim 1 , wherein a wire routing space is provided inside the suspension rocker, and wires can pass through the suspension rocker. 3 . 3. A multi-joint LCD TV suspension bracket according to claim 1, characterized in that a U-shaped connecting rod is provided on both sides of the second articulated arm part (30), and the fourth articulated arm part (50) A U-shaped connecting rod is provided on both sides, and the third articulated arm part (40) is a split structure. 4. A multi-joint LCD TV suspension bracket according to claim 1 or 3, characterized in that one end of the third articulated arm part (40) passes through a U-shaped connecting rod installed on the second articulated arm part (30) The two sides of the outer plate (401)-outer connecting rod (301)-connecting piece (402)-inner connecting rod (302) parallelogram stable structure, the other end of the third articulated arm part (40) is installed by On both sides of the U-shaped connecting rod of the fourth articulated arm part (50), a stable structure of a parallelogram of an outer plate (401)-outer connecting rod (502)-connecting piece (407)-inner connecting rod (501) is formed.