Television lifting mechanism

Abstract

The utility model relates to the field of household appliance installation equipment, and discloses a television lifting mechanism which comprises a base, two sets of vertical plates are fixedly connected to the top of the base, sliding grooves are formed in the sides, close to each other, of the two sets of vertical plates, a lifting mechanism body is arranged at the top of the base, and the lifting mechanism body is arranged on the top of the base. The lifting mechanism comprises a television body, a mounting frame is fixedly connected to the back face of the television body, rolling wheels are rotationally connected to the left sides and the right sides of the front face and the back face of the mounting frame, the circumferential surfaces of the rolling wheels make contact with the inner walls of the sliding grooves, and a speed reducing mechanism is arranged at the top of the base. According to the utility model, the lifting mechanism and the stepping motor are arranged to enable the television body on the mounting rack to ascend or descend, the rollers are arranged to reduce frictional resistance and noise, the television body can be stably and smoothly driven to ascend and descend by using one set of power system, and the use cost and the fault occurrence probability are reduced.

Description

Technical Field

[0001] The utility model relates to the field of household appliance installation equipment, in particular to a television lifting mechanism. Background Art

[0002] Nowadays, LCD TVs are becoming more and more popular. In order to reduce the space occupied, many users use wall-mounted installation methods to fix the TV on the wall. This installation method is relatively simple, but it has high requirements for the use occasion and will also cause inconvenience due to the different heights of users. As a result, lifting devices for adjusting the height of the TV have become popular. Its working principle is to fix the TV and adjust the height of the TV by controlling the column under the TV to move up and down.

[0003] After searching, Chinese patent announcement number: CN220061238U discloses a TV lifting mechanism, including a TV body, a power module, a beam A, a beam B and a beam C. The power module is provided with two groups and symmetrically arranged on both sides of the TV body. The two groups of power modules are fixedly connected by beams A and C respectively, and the beam B is arranged between the two groups of power modules, and the TV body is fixedly installed on the beam B. This patent adopts two sets of power modules to be placed on both sides of the TV, so that the thickness of the entire TV lifting mechanism can meet the product requirements. At the same time, by setting two power modules, the load of the entire TV body can be evenly distributed to the two power modules. The code disk is used in conjunction with the sensor to detect the screw speed in real time to ensure that the TV body does not tilt left and right when lifting, and the performance is reliable.

[0004] However, when two sets of power modules are provided to bear the load of lifting the TV body, the additional power module leads to increased installation cost and energy consumption. At the same time, the additional power module also increases the probability of system failure. If one of the power modules fails, the movement speeds of both sides of the TV body will be inconsistent when the TV body is lifted, causing the TV body to tilt, increasing the possibility of damage to the TV body. Therefore, a TV lifting mechanism is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above deficiencies, the utility model provides a television lifting mechanism, which aims to improve the problem in the prior art that "adding a set of power modules leads to increased costs and increased possibility of damage to the television body".

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a TV lifting mechanism, including a base, a vertical plate fixedly connected to the top of the base, the number of the vertical plates is set to two groups, and a sliding groove is opened on the side where the two groups of vertical plates are close to each other, and a lifting mechanism is arranged on the top of the base, and the lifting mechanism includes a TV body, a mounting frame fixedly connected to the back of the TV body, rollers are rotatably connected to the left and right sides of the front and back of the mounting frame, the circumferential surface of the roller is in contact with the inner wall of the sliding groove, and a deceleration mechanism is arranged on the top of the base.

[0007] As a further description of the above technical solution:

[0008] The lifting mechanism also includes a stepper motor, which is fixedly mounted on one side of the two sets of vertical plates close to each other. The right side of the output shaft of the stepper motor is fixedly connected with a rotating shaft, and the rotating shaft penetrates and is rotatably mounted on the inner wall of the vertical plate.

[0009] As a further description of the above technical solution:

[0010] The lifting mechanism also includes a bidirectional screw rod, which penetrates and is rotatably mounted on the inner wall of the vertical plate, and a sliding block is slidably mounted on the circumferential surface of the bidirectional screw rod.

[0011] As a further description of the above technical solution:

[0012] The lifting mechanism also includes pulleys, and the number of the pulleys is set to two groups, one group of pulleys is fixedly installed on the circumferential surface of the rotating shaft, and the other group of pulleys is fixedly installed on the circumferential surface of the bidirectional screw rod, and the two groups of pulleys are connected by belt transmission.

[0013] As a further description of the above technical solution:

[0014] The lifting mechanism also includes a connecting rod, one end of which is rotatably mounted on the bottom of the sliding block, and the other end of the connecting rod is rotatably connected to a moving plate, and the bottom of the moving plate is fixedly connected to the top of the mounting frame.

[0015] As a further description of the above technical solution:

[0016] The deceleration mechanism comprises a shell and a deceleration rod, wherein the shell is fixedly mounted on the top of the base, and the deceleration rod penetrates and a piston is mounted on the inner wall of the shell.

[0017] As a further description of the above technical solution:

[0018] The deceleration mechanism also includes a spring, one end of which is fixedly mounted on the top of the inner wall of the shell, and the other end of the spring is fixedly connected to the bottom of the deceleration rod.

[0019] As a further description of the above technical solution:

[0020] The surface of the shell is provided with ventilation holes penetrating the inner and outer walls of the shell.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, by setting a lifting mechanism, the stepper motor works to make the TV body on the mounting frame rise or fall, and by setting rollers to reduce friction resistance and noise, a power system can be used to stably and smoothly drive the TV body to rise and fall, thereby reducing the use cost and the probability of failure.

[0023] 2. In the utility model, by setting a deceleration mechanism, when the stepping motor drives the mounting frame to move downward, the mounting frame hits the bottom and squeezes the deceleration rod, so that the deceleration rod moves downward to squeeze the gas inside the shell, and the gas will decelerate the TV body when it is discharged from the vent hole, thereby solving the problem that the mounting frame may hit the bottom and cause collision and vibration that may damage the TV body. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0025] Figure 2 It is a schematic diagram of the three-dimensional exploded structure of the vertical plate, the slide groove, the TV body, the mounting frame and the roller in the utility model;

[0026] Figure 3 Utility Model Figure 1 A schematic diagram of the enlarged three-dimensional structure at center A;

[0027] Figure 4 It is a three-dimensional exploded structural diagram of the deceleration mechanism in the utility model;

[0028] Figure 5 It is a schematic cross-sectional view of the three-dimensional structure of the outer shell and the vent hole in the utility model.

[0029] Legend:

[0030] 1. Base; 2. Vertical plate; 3. Slide; 4. TV body; 5. Mounting bracket; 6. Roller; 7. Stepper motor; 8. Rotating shaft; 9. Pulley; 10. Belt; 11. Bidirectional screw; 12. Slider; 13. Connecting rod; 14. Moving plate; 15. Casing; 16. Speed ​​reducer; 17. Spring; 18. Vent. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 1 - Figure 2 The utility model provides an embodiment of a television lifting mechanism, comprising a base 1, which is arranged horizontally to fix and support the mounting frame 5, so that the mounting frame 5 is more stable when moving. The top of the base 1 is fixedly connected with a vertically arranged vertical plate 2, which is used to limit the displacement direction of the mounting frame 5, so that the mounting frame 5 can make more accurate linear motion in the up and down directions. The number of the vertical plates 2 is set to two groups, and a slide groove 3 is provided on the side where the two groups of vertical plates 2 are close to each other. The slide groove 3 guides the rolling of the roller 6 to provide smoothness when the mounting frame 5 is displaced. A lifting mechanism is arranged on the top of the base 1, and the lifting mechanism includes a TV body 4. The TV body 4 can be displaced in the up and down directions, so that the height of the TV body 4 can meet the viewing needs of people of different heights, and the viewing angle range is large. The TV body 4 has good adaptability. The back of the TV body 4 is fixedly connected with a mounting bracket 5, and the TV body 4 can be fixed to the front of the mounting bracket 5 by bolts, which is convenient for disassembly and installation of the TV body 4. The left and right sides of the front and back of the mounting bracket 5 are rotatably connected with rollers 6. The number of rollers 6 is set to multiple groups, and the multiple groups of rollers 6 are symmetrically arranged on the left and right sides of the front and back of the mounting bracket 5. The circumferential surface of the roller 6 contacts the inner wall of the slide groove 3. By rolling the roller 6 on the inner wall of the slide groove 3, the sliding friction is converted into rolling friction, thereby reducing the friction resistance between the mounting bracket 5 and the inner wall of the slide groove 3 when moving, and reducing the generation of noise at the same time, which is beneficial to noise reduction and improving mechanical efficiency. At the same time, it can prevent the TV body 4 from accidentally falling due to the tilt of the mounting bracket 5 when moving. A deceleration mechanism is arranged on the top of the base 1.

[0033] Reference Figure 1 - Figure 3The lifting mechanism also includes a stepper motor 7, which is fixedly mounted on one side of the two groups of vertical plates 2 that are close to each other. The stepper motor 7 can accurately control the rotation angle of its output shaft, which is convenient for adjusting the rotation speed and frequency of the stepper motor 7. It can be adjusted according to different production requirements and has good adaptability. A rotating shaft 8 is fixedly connected to the right side of the output shaft of the stepper motor 7. The rotating shaft 8 penetrates and is rotatably mounted on the inner wall of the vertical plate 2. The lifting mechanism also includes a bidirectional screw rod 11. The circumferential surface of the bidirectional screw rod 11 is provided with two sections of thread grooves with opposite rotation directions. The bidirectional screw rod 11 penetrates and is rotatably mounted on the inner wall of the vertical plate 2. A slider 12 is slidably mounted on the circumferential surface of the bidirectional screw rod 11. The number of sliders 12 is set to two groups. The two groups of sliders 12 slide on the thread grooves of different rotation directions respectively. When the bidirectional screw rod 11 rotates, the two groups of sliders 12 move away from or approach each other.

[0034] Reference Figure 2 - Figure 3 The lifting mechanism also includes a pulley 9, and the number of pulleys 9 is set to two groups, one of which is fixedly mounted on the circumferential surface of the rotating shaft 8, and the other is fixedly mounted on the circumferential surface of the bidirectional screw 11. The two groups of pulleys 9 are connected by a belt 10. The pulley 9 on the circumferential surface of the rotating shaft 8 has a larger radius than the pulley 9 on the circumferential surface of the bidirectional screw 11, so that when the belt 10 is driven, the rotation speed of the bidirectional screw 11 is faster than the rotation speed of the rotating shaft 8, so that when the bidirectional screw 11 reaches the required rotation speed, the stepper motor 7 has a low rotation speed, which reduces the vibration and noise generated by the stepper motor 7 when it is working. The lifting mechanism also includes a connecting rod 13, one end of the connecting rod 13 is rotatably installed at the bottom of the slider 12, and the other end of the connecting rod 13 is rotatably connected to a moving plate 14. Through the transmission action of the connecting rod 13, when the two groups of sliders 12 move away from or approach each other, the connecting rod 13 will pull or squeeze the moving plate 14, thereby causing the moving plate 14 to rise or fall. The bottom of the moving plate 14 is fixedly connected to the top of the mounting frame 5, and the moving plate 14 drives the mounting frame 5 to move up and down.

[0035] Reference Figure 1 , Figure 4 , Figure 5The deceleration mechanism includes a shell 15 and a deceleration rod 16. The shell 15 is fixedly mounted on the top of the base 1. The shell 15 is configured to be a vertical cylinder with a cavity inside. The deceleration rod 16 penetrates and the piston is mounted on the inner wall of the shell 15. The displacement direction of the deceleration rod 16 is up and down. The deceleration mechanism also includes a spring 17. One end of the spring 17 is fixedly mounted on the top of the inner wall of the shell 15. The other end of the spring 17 is fixedly connected to the bottom of the deceleration rod 16. The spring 17 applies an upward elastic force to the deceleration rod 16. The surface of the shell 15 is provided with a vent hole 18 that penetrates the inner and outer walls of the shell 15. The aperture of the vent hole 18 is 0.1mm~2mm. The vent hole 18 can be a round hole or a square hole. Among them, the number of the vent holes 18 can be set in plurality, and the number of the vent holes 18 can be set according to needs.

[0036] Working principle: When in use, the TV body 4 is installed on the mounting bracket 5. When the height of the TV body 4 needs to be adjusted, the power supply of the stepper motor 7 is started, and the stepper motor 7 drives the rotating shaft 8 to rotate. The rotation of the rotating shaft 8 is coordinated by two sets of pulleys 9 and belts 10, so that the bidirectional screw rod 11 rotates. The rotation of the bidirectional screw rod 11 causes the two sets of sliders 12 to approach or move away from each other, and then the moving plate 14 is driven by the connecting rod 13 to descend or rise. The movement of the moving plate 14 drives the TV body 4 on the mounting bracket 5 to descend or rise. Through the coordination of the roller 6 and the slide groove 3, the displacement direction of the mounting bracket 5 is guided, so that the TV body 4 can make a more precise linear motion, while reducing the friction resistance and increasing the smoothness and friction loss of the displacement of the mounting bracket 5.

[0037] When the movable plate 14 drives the TV body 4 to rise or fall through the mounting frame 5, when the mounting frame 5 contacts the deceleration rod 16 at the bottom, the mounting frame 5 will squeeze the deceleration rod 16, so that the deceleration rod 16 overcomes the elastic force of the spring 17 and moves downward. At the same time, the downward movement of the deceleration rod 16 will squeeze the gas inside the shell 15, thereby increasing the gas pressure inside the shell 15, so that the gas inside the shell 15 is squeezed to the outside of the shell 15 through the vent 18. Since the aperture of the vent 18 is small, it can hinder the speed of the air flow, so that the speed of the deceleration rod 16 when it moves is slowed down, thereby playing a role of buffering and deceleration for the mounting frame 5, and reducing the possibility of damage to the TV body 4 caused by the vibration caused by the mounting frame 5 touching the bottom.

[0038] 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 aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A television lifting mechanism, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected with a vertical plate (2), the number of the vertical plates (2) is set to two groups, and a sliding groove (3) is provided on the side where the two groups of vertical plates (2) are close to each other. The top of the base (1) is provided with a lifting mechanism, and the lifting mechanism comprises a TV body (4). The back of the TV body (4) is fixedly connected with a mounting frame (5), and the left and right sides of the front and back of the mounting frame (5) are rotatably connected with rollers (6), and the circumferential surface of the roller (6) contacts the inner wall of the sliding groove (3). The top of the base (1) is provided with a speed reduction mechanism.

2. A TV lifting mechanism according to claim 1, characterized in that: The lifting mechanism further comprises a stepping motor (7), wherein the stepping motor (7) is fixedly mounted on a side of the two sets of vertical plates (2) close to each other, and a rotating shaft (8) is fixedly connected to the right side of the output shaft of the stepping motor (7), and the rotating shaft (8) passes through and is rotatably mounted on the inner wall of the vertical plate (2).

3. A TV lifting mechanism according to claim 1, characterized in that: The lifting mechanism further comprises a bidirectional screw rod (11), the bidirectional screw rod (11) passing through and rotatably mounted on the inner wall of the vertical plate (2), and a sliding block (12) being slidably mounted on the circumferential surface of the bidirectional screw rod (11).

4. A TV lifting mechanism according to claim 2 or 3, characterized in that: The lifting mechanism further comprises pulleys (9), wherein the pulleys (9) are provided in two groups, wherein one group of the pulleys (9) is fixedly mounted on the circumferential surface of the rotating shaft (8), and the other group of the pulleys (9) is fixedly mounted on the circumferential surface of the bidirectional screw rod (11), and the two groups of the pulleys (9) are connected by a belt (10).

5. A TV lifting mechanism according to claim 3, characterized in that: The lifting mechanism further comprises a connecting rod (13), one end of which is rotatably mounted on the bottom of the slider (12), and the other end of which is rotatably connected to a moving plate (14), the bottom of which is fixedly connected to the top of the mounting frame (5).

6. A TV lifting mechanism according to claim 1, characterized in that: The deceleration mechanism comprises a housing (15) and a deceleration rod (16); the housing (15) is fixedly mounted on the top of the base (1); the deceleration rod (16) penetrates through the housing (15) and a piston is mounted on the inner wall of the housing (15).

7. A television lifting mechanism according to claim 6, characterized in that: The deceleration mechanism further comprises a spring (17), one end of the spring (17) being fixedly mounted on the top of the inner wall of the housing (15), and the other end of the spring (17) being fixedly connected to the bottom of the deceleration rod (16).

8. The TV lifting mechanism according to claim 6, characterized in that: A vent hole (18) is provided on the surface of the outer shell (15) and penetrates the inner and outer walls of the outer shell (15).

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