CN216243141U

CN216243141U - Liquid crystal display screen fixing frame with lifting structure

Info

Publication number: CN216243141U
Application number: CN202122805006.4U
Authority: CN
Inventors: 陈帮喜; 吴宝成
Original assignee: Changde Kunteng Electronic Technology Co ltd
Current assignee: Changde Kunteng Electronic Technology Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-04-08
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a liquid crystal display screen fixing frame with a lifting structure, and belongs to the technical field of lifting adjustment of display screens. The liquid crystal display screen fixing frame with the lifting function is simple in structure, low in manufacturing cost and wide in applicability; the fixing frame adopts the bevel gear group as a transmission mechanism, the rotating efficiency is high, and the universality of components is strong; the fixing frame and the sliding frame are in embedded sliding connection through the dovetail groove dovetail block, the structure is firm, and the reliability is high after long-time use.

Description

Liquid crystal display screen fixing frame with lifting structure

Technical Field

The utility model belongs to the technical field of lifting adjustment of display screens, and particularly relates to a liquid crystal display screen fixing frame with a lifting structure.

Background

With the development of society, liquid crystal display widely applies to fields such as TV set, advertisement putting and demonstration sign, and liquid crystal display generally needs to use fixed frame as the mounting, fixes it on carriers such as wall, post, vehicle.

The fixed frame of display screen that uses at present only plays fixed effect mostly, if the altitude mixture control of display screen is wanted to carry out in the later stage, need pull down fixed frame, install again, the installation back of indoor TV set, because the reason of the different heights of user and custom, original mounting height is unsuitable, wants the adjustment very inconvenient.

At present, although a lifting device of a liquid crystal display screen exists, most of the lifting devices are electric, the size of equipment is large, and the lifting device is not suitable for being used at home.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a liquid crystal display screen fixing frame with a lifting structure, which is used for solving the following technical problems:

the fixing frame of the liquid crystal display screen at present is mostly electric, the equipment volume is large, and the application range is limited.

In order to achieve the purpose, the utility model provides the following technical scheme:

a liquid crystal display screen fixing frame with a lifting structure comprises a sliding frame, wherein dovetail groove guide rails are arranged on two side edges of the sliding frame, a rack is fixedly connected to the sliding frame, the rack is parallel to and equidistant from the two side edges of the sliding frame, and a clamping strip perpendicular to the rack is fixed on a smooth surface of the rack;

a fixed frame is arranged on one side of the sliding frame, and two sides of the fixed frame are in embedded sliding connection with the dovetail groove guide rails;

be provided with bevel gear group on the mount, bevel gear group is including little bevel gear, big bevel gear, straight-teeth gear and rotation handle, little bevel gear and big bevel gear meshing, straight-teeth gear and the coaxial fixed connection of big bevel gear, straight-teeth gear rotate with the mount through the connecting axle of coaxial setting and are connected, rotate handle and the coaxial fixed connection of little bevel gear, little bevel gear rotates with the bottom plate of mount bottom and is connected, straight-teeth gear and rack toothing, be provided with the ratchet on the mount, the ratchet cooperatees with straight-teeth gear, adjusts the display screen to the height that is fit for through rotating the handle after, can block straight-teeth gear with the ratchet, makes the straight-teeth gear fixed.

Further scheme: two ends of the rack are fixedly connected with two side edges of the sliding frame through connecting rods, and the connecting rods are welded with the rack or fixedly connected with the rack through bolts.

Further scheme: the rack is fixedly connected with the strip-shaped clamping strip through the reinforcing frame, and the clamping strip is located on one side, away from the fixed frame, of the sliding frame.

Further scheme: the sliding frame is integrally rectangular.

Further scheme: the rotating handle is arranged in parallel with the rack.

Further scheme: the clamping strip is connected with the fixing piece on the back of the liquid crystal display screen in an embedded sliding mode.

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

the light carriage that the aluminum alloy was made corresponds the embedded sliding connection of forked tail piece of position with the mount through the dovetail guide rail of its both sides, the carriage passes through the embedded sliding connection of mounting at card strip and the liquid crystal display back, put down the ratchet and can prevent the straight-teeth gear from rotating, and fix gliding height, it holds the carriage with the hand to release the ratchet, the rotatory handle that rotates of another hand, the adjustment carriage is to suitable height, the straight-teeth gear is fixed to the rethread ratchet, accomplish liquid crystal display's altitude mixture control, this fixed frame simple structure of liquid crystal display with raising and lowering functions, low in manufacturing cost, and wide applicability is general.

The fixing frame adopts the bevel gear group as a transmission mechanism, the rotating efficiency is high, and the component universality is strong.

The fixing frame and the sliding frame are in embedded sliding connection through the dovetail groove dovetail block, the structure is firm, and the reliability is high after long-time use.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of an overall structure provided in an embodiment of the present invention;

FIG. 2 is an enlarged view of area A in FIG. 1;

fig. 3 is a side view of the overall structure provided by the embodiment of the present invention.

In the figure: 1. a carriage; 11. clamping the strip; 12. a rack; 13. a dovetail groove guide rail; 2. a fixed mount; 21. a ratchet wheel; 22. a base plate; 3. a small bevel gear; 31. a large bevel gear; 32. a spur gear; 321. a connecting shaft; 33. the handle is rotated.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a fixing frame for a liquid crystal display panel having a lifting structure includes a sliding frame 1 and a rectangular frame made of an aluminum alloy structural member, wherein dovetail grooves 13 are formed on two vertical side frames of the sliding frame 1, two ends of a rack 12 are respectively fixed in the middle of two cross bars of the sliding frame 1, such that the rack 12 is parallel to and equidistant from the two side frames of the sliding frame 1, the structure is symmetrical, a clamping strip 11 perpendicular to the rack 12 is fixed on a smooth surface of the rack 12, and the rack 12 is reinforced in fixing strength with the strip-shaped clamping strip 11 through a reinforcing frame.

One side of the sliding frame 1 departing from the clamping strip 11 is provided with a fixed frame 2, the fixed frame 2 is made of an aluminum alloy structural part, and two sides of the fixed frame 2 are connected with a dovetail groove guide rail 13 of the sliding frame 1 in an embedded sliding mode through dovetail blocks.

In order to drive the sliding frame 1 and fix the positions of the sliding frame 1 and the fixed frame 2, an umbrella tooth group is arranged on the fixed frame 2 and serves as a direction-changing driving assembly, the umbrella tooth group comprises small umbrella teeth 3, large umbrella teeth 31, straight gears 32 and a rotating handle 33, the small umbrella teeth 3 are meshed with the large umbrella teeth 31, the straight gears 32 and the large umbrella teeth are coaxially and fixedly connected, the straight gears 32 are rotatably connected with the fixed frame 2 through connecting shafts 321 which are coaxially arranged, and the connecting shafts 321 can also be provided with bearing seats in a centering mode to enhance the stability of the structure and play a role in fixing the umbrella tooth group;

the rotating handle 33 is coaxially and fixedly connected with the small bevel gear, the small bevel gear 3 is rotatably connected with the bottom plate 22 at the bottom of the fixed frame 2, the straight gear 32 is meshed with the rack 12, the fixed frame 2 is provided with the ratchet wheel 21, the ratchet wheel 21 is matched with the straight gear 32, and after the display screen is adjusted to a proper height by rotating the handle 33, the straight gear 32 can be clamped by the ratchet wheel 21, so that the straight gear 32 is fixed.

Two ends of the rack 12 are fixedly connected with two side edges of the sliding frame 1 through connecting rods, and the connecting rods are fixedly connected with the rack 12 through welding or bolts; the rotating handle 33 is arranged in parallel with the rack 12; the clamping strip 11 is connected with a fixing piece on the back of the liquid crystal display screen in an embedded sliding mode.

The working principle is as follows:

firstly, fixing a fixed frame 2 on a wall or a column or other carriers through screws, selecting a bevel gear group with a proper size, rotatably connecting a small bevel gear 3 on a fixed bottom plate 22 through a bearing arranged in a centering way, coaxially and fixedly connecting a straight gear 32 with a large bevel gear, and extending the straight gear 32 to the side edge of the fixed frame 2 through a connecting shaft 321 arranged coaxially and rotatably connecting the straight gear 32 to play a role in fixing the bevel gear group; the connecting shaft 321 may also be provided with a bearing seat in a centering manner, which plays a role in supporting the bottom of the connecting shaft 321 for enhancing the stability of the structure.

Then, the ratchet 21 is arranged at a position close to the wall of the fixed frame 2 through the connecting rod, the ratchet 21 is matched with the straight gear 32, and after the display screen is adjusted to a proper height by rotating the handle 33, the straight gear 32 can be clamped by the ratchet 21, so that the straight gear 32 is fixed.

Then the light sliding frame 1 made of aluminum alloy is in embedded sliding connection with the dovetail blocks at the corresponding positions of the fixed frame 2 through the dovetail groove guide rails 13 on the two sides of the light sliding frame 1, the sliding frame 1 is in embedded sliding connection with the fixed piece on the back surface of the liquid crystal display screen through the clamping strips 11, the straight gear 32 can be prevented from rotating by putting down the ratchet wheel 21, the sliding height is fixed, the sliding frame 1 is held by a hand after the ratchet wheel 21 is released, the handle 33 is rotated by the other hand, the sliding frame 1 is adjusted to be at a proper height, the straight gear 32 is fixed through the ratchet wheel 21, and the height adjustment of the liquid crystal display screen is completed.

The foregoing is merely exemplary and illustrative of the present invention, and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. A liquid crystal display screen fixing frame with a lifting structure comprises a sliding frame (1) and is characterized in that dovetail groove guide rails (13) are arranged on two side edges of the sliding frame (1), a rack (12) is fixedly connected to the sliding frame (1), the rack (12) is parallel to and equidistant from the two side edges of the sliding frame (1), and a clamping strip (11) perpendicular to the rack (12) is fixed on a smooth surface of the rack (12);

a fixed frame (2) is arranged on one side of the sliding frame (1), and two sides of the fixed frame (2) are in embedded sliding connection with the dovetail groove guide rail (13);

be provided with bevel gear group on mount (2), bevel gear group is including little bevel gear (3), big bevel gear (31), straight-teeth gear (32) and rotation handle (33), little bevel gear (3) and big bevel gear (31) meshing, straight-teeth gear (32) and the coaxial fixed connection of big bevel gear, connecting axle (321) through coaxial setting of straight-teeth gear (32) rotate with mount (2) and are connected, rotate handle (33) and the coaxial fixed connection of little bevel gear, bottom plate (22) of little bevel gear (3) and mount (2) bottom rotate and are connected, straight-teeth gear (32) and rack (12) meshing, be provided with ratchet (21) on mount (2), ratchet (21) cooperate with straight-teeth gear (32).

2. The fixing frame with the lifting structure for the liquid crystal display screen according to claim 1, wherein both ends of the rack (12) are fixedly connected with both sides of the sliding frame (1) through connecting rods, and the connecting rods are fixedly connected with the rack (12) by welding or bolts.

3. The fixing frame with the lifting structure for the liquid crystal display screen according to claim 2, wherein the rack (12) is fixedly connected with the strip-shaped clamping strip (11) through a reinforcing frame, and the clamping strip (11) is positioned on the side of the sliding frame (1) away from the fixing frame (2).

4. The fixing frame for a liquid crystal display with a lifting structure according to claim 1, wherein the sliding frame (1) has a rectangular shape as a whole.

5. The fixing frame for a liquid crystal display with a lifting structure according to claim 1, wherein the rotating handle (33) is disposed in parallel with the rack (12).

6. The fixing frame with the lifting structure for the liquid crystal display according to claim 1, wherein the clamping strip (11) is slidably connected with a fixing member at the back of the liquid crystal display in an embedded manner.