Lifting rod module and display device

Abstract

This application discloses a lifting rod module and a display device. The lifting rod module includes a fixed rod, a movable rod, and a locking unit. The locking unit includes a locking member, a locking portion, and a limiting member. One of the locking member and the limiting member is disposed on the fixed rod, and the other is disposed on the movable rod and can move up and down with the movable rod. The locking portion is rotatably connected to the locking member via a preset rotating shaft, and the preset rotating shaft and the axial direction of the movable rod have an included angle. The locking portion is configured such that when the movable rod is at a preset height position and the lifting rod module is tilted, the locking portion rotates under its own gravity to a locked position where it locks with the limiting member. When the lifting rod module is placed vertically and the movable rod is in a position other than the preset height position, the locking portion rotates under its own gravity to an unlocked position where it unlocks from the limiting member. The preset height position is lower than the highest position and higher than or equal to the lowest position. This application can achieve locking of the movable rod at a height lower than the highest position.

Description

Technical Field

[0001] Some embodiments of this application relate to display technology. In particular, they relate to a lifting rod module and a display device. Background Technology

[0002] Mobile display products are used in numerous scenarios. These products typically include a base, a lifting rod, and a display screen. A key feature of these products is that the base provides power and communication to the display screen via the lifting rod, which has a built-in conductive spring wire. To accommodate a wider range of heights, the lifting rod usually has a maximum height (Hmax) and a minimum height (Hmin) to accommodate seated users or shorter individuals. The lifting rod is typically designed as a nested, two-end type, consisting of a fixed rod and a movable rod. A gas spring is usually installed inside the lifting rod. The movable rod is connected to the gas spring sleeve, and the fixed rod is connected to the gas spring's piston rod. The movement of the gas spring's piston rod drives the movable rod within the fixed rod, allowing for up-and-down movement by the user.

[0003] However, in order to ensure that the display screen can remain stable at any height, the gas spring needs a certain supporting force to balance the weight of the screen. Therefore, when the display screen is not fixed to the lifting rod, the gas spring has no supporting force, and the lifting rod will remain in the Hmax state. This takes up a lot of space during transportation, and users also have to install the display screen from the Hmax state when assembling it, which is very inconvenient. Summary of the Invention

[0004] Some embodiments of this application provide a lifting rod module and a display device that can lock the movable rod at a height below its highest position without installing the display module.

[0005] To achieve the above objectives, some embodiments of this application provide a lifting rod module for adjusting the height of a display module, the lifting rod module comprising: Fixed rod; A movable rod, for connecting to the display module, is at least partially sleeved within the fixed rod and is axially movable relative to the fixed rod, having a highest position and a lowest position relative to the fixed rod along its axial direction; and The locking unit includes a locking member, a locking part, and a limiting member. One of the locking member and the limiting member is disposed on the fixed rod, and the other is disposed on the movable rod and can move up and down with the movable rod. The locking part is rotatably connected to the locking member through a preset rotating shaft, and the preset rotating shaft and the axial direction of the movable rod have an included angle. The locking part is configured such that when the movable rod is at a preset height position and the lifting rod module is tilted, the locking part rotates under its own gravity to a locking position where it locks with the limiting member; when the lifting rod module is placed vertically and the movable rod is in a position other than the preset height position, the locking part rotates under its own gravity to an unlocking position where it unlocks from the limiting member. The preset height position is lower than the highest position and higher than or equal to the lowest position.

[0006] With this configuration, in some embodiments of the lifting rod module of this application, a locking unit is provided between the fixed rod and the movable rod. The locking unit consists of a locking member, a locking part and a limiting member. The locking member and the limiting member are respectively provided on the fixed rod or the movable rod, which will not affect the lifting and lowering movement process of the movable rod relative to the fixed rod, thus ensuring the lifting and lowering function of the lifting rod module.

[0007] In addition, the locking part is rotatably connected to the locking member. The locking part can rotate to the unlocking position and the locking position relative to the limiting member by its own weight. Without the need for other structures, the structure is simpler and can lock the moving rod and the fixed rod together. This allows the moving rod and the fixed rod to be locked without the need for counterweights, reducing the overall weight of the lifting module and facilitating lightweight design, making the use of the lifting rod module more flexible.

[0008] Furthermore, as described above, when the locking part and the limiting part are locked together, the movable rod is at a preset height relative to the fixed rod. The preset height is lower than the highest position and higher than or equal to the lowest position. That is, the movable rod can be fixed at a height lower than the highest position. This can shorten the overall height of the lifting rod module, making it easier to handle and reducing the space occupied during transportation. At the same time, even if a display module needs to be installed, it can be installed from a height lower than the highest position of the movable rod without the need for other height-assisted tools (such as steps, ladders, etc.). This makes it easy to operate and suitable for short people to install, improving the versatility of the lifting rod module.

[0009] In summary, this application, through the cooperation of the locking component, the locking part, and the limiting component, and by changing the relative position of the movable rod and the fixed rod, as well as the placement angle of the lifting rod module, achieves the adjustment of the movable rod relative to the fixed rod between the locked and unlocked positions. This allows the height of the lifting rod module to be lower than the highest position even without the addition of counterweight, reducing the space occupied during transportation, facilitating operation, and making it easier for personnel to install, thereby improving the versatility and flexibility of the lifting rod module.

[0010] In some embodiments of this application, the locking part has a first end and a second end along its own length direction, the first end and the locking member are rotatably connected by the preset rotating shaft, and the second end can rotate around the preset rotating shaft under its own weight. Wherein, when the length direction of the locking part is consistent with the radial direction of the fixing rod, the locking part is located in the locked position; when there is an angle between the length direction of the locking part and the radial direction of the fixing rod, the locking part is located in the unlocked position.

[0011] With this configuration, the locking part has a certain extension length, and the first end is rotatably connected to the locking part through a preset pivot, which makes it convenient for the second end to rotate around the preset pivot. When the lifting rod module is placed at an angle, it can rotate under its own gravity to lock or unlock with the limiting part.

[0012] Furthermore, when the length direction of the locking part is aligned with the radial direction of the fixed rod, it is defined as the locking position of the locking part, and when there is an angle between the length direction of the locking part and the radial direction of the fixed rod, it is defined as the unlocking position of the locking part. The structure is simple and easy to implement, thereby simplifying the overall structure of the lifting rod module.

[0013] In some embodiments of this application, when the locking part is in the unlocked position, the length direction of the locking part is along the axial direction of the fixing rod.

[0014] With this configuration, when the length direction of the locking part coincides with the axial direction of the fixed rod, it is defined as the unlocking position of the locking part. At this time, the locking part and the fixed rod are coaxial, which does not affect the axial movement of the movable rod relative to the fixed rod. This makes the height adjustment process of the movable rod relative to the fixed rod more flexible, and thus the lifting and lowering movement of the lifting rod module is smoother.

[0015] In some embodiments of this application, the fixing rod has a fixing cavity, and the locking member is fixed inside the fixing cavity; The movable rod has a movable cavity, the limiting member is fixed in the movable cavity, and when the movable rod is at the preset height position, the fixed cavity and the movable cavity are arranged opposite to each other and are interconnected in the radial direction of the fixed rod.

[0016] With this configuration, the movable rod and the fixed rod form a movable cavity and a fixed cavity respectively, which are connected to each other, making the adjustment process more flexible. The locking component is located in the fixed cavity, while the limiting component is located in the movable cavity. The locking unit used to lock the movable rod and the fixed rod relative to each other is placed inside their respective cavities, which is equivalent to hiding the locking unit. The outer surface is flatter, making the overall appearance of the lifting rod module cleaner.

[0017] In some embodiments of this application, a limiting step is provided at the bottom of the fixed cavity, and when the movable rod is in the lowest position relative to the fixed rod, the bottom end of the movable rod and at least one of the limiting members abut against the limiting step.

[0018] This design limits the height of the movable rod at its lowest position by using a limiting step, thus restricting the height adjustment of the movable rod and preventing it from moving too quickly and hitting the bottom of the fixed cavity, which could cause excessive impact and tilt the fixed rod, thereby improving the lifting stability of the lifting rod module.

[0019] In some embodiments of this application, the sidewall of the fixed rod facing the movable rod has a first opening, the first opening communicating with the fixed cavity; the sidewall of the movable rod facing the fixed rod has a second opening, the second opening communicating with the movable cavity, and the first opening and the second opening are arranged opposite to each other; The locking part can be sequentially locked or unlocked with the limiting member through the first opening and the second opening.

[0020] This design allows the fixed rod and the movable rod to be internally connected through the first and second openings. When the locking part passes through the first opening and reaches the second opening, it completes the locking or unlocking process with the limiting component in the movable cavity. The structure is simple and does not affect the movement process between the outer wall of the movable rod and the inner wall of the fixed rod, thus ensuring the stability of the lifting rod module during the lifting process.

[0021] In some embodiments of this application, the limiting member surrounds at least a portion of the circumferential inner side of the axial center of the movable rod, and the limiting member has a limiting groove, the opening of the limiting groove facing the radial center of the movable rod, and the groove wall extending in an angle with the axial direction of the fixed rod. When the locking part is rotated to the locking position, the locking member extends into the space formed by the limiting member, and the locking part is received and abutted in the limiting groove to lock with the limiting groove.

[0022] With this configuration, the limiting component is set around the inner circumference of the movable rod, resulting in high structural stability and facilitating its installation. Simultaneously, the limiting component also features a limiting groove, forming a locking space. When the locking component extends into this space, the locking part is received and abuts against the limiting groove, locking the locking part to the limiting groove. This, in turn, locks the movable rod relative to the fixed rod, securing it at a predetermined height and enhancing the flexibility of the lifting rod module.

[0023] In some embodiments of this application, one end of the locking member is fixed to the bottom end of the fixing cavity; The locking member is provided with a mounting groove, which is located on the axial side wall of the locking member, and the groove opening faces the side wall of the fixing cavity; the locking part is rotatably connected to the side wall of the mounting groove through the preset rotating shaft.

[0024] This design, fixing the locking element to the bottom of the fixed cavity, facilitates a wider adjustment range of the movable rod relative to the fixed rod between its lowest and highest positions. This allows the lifting rod module to meet a wider range of height requirements, improving its versatility. Furthermore, the locking element has a mounting groove; placing the locking part within this groove enhances the overall integrity of the locking element and the locking part, resulting in a more stable structure. Additionally, when the locking part is not locked to the locking element, it can be hidden inside the mounting groove, without affecting the lifting and lowering movement of the lifting rod module.

[0025] In some embodiments of this application, the locking member includes a sleeve; the lifting rod module further includes a gas spring, the gas spring including a cylinder and a piston rod, the cylinder being sleeved on the outside of the piston rod, the cylinder being stopped in the movable cavity by the limiting member, and being able to move up and down with the movable rod; The limiting member has a limiting hole at its radial center, and the piston rod passes through the limiting hole, is located in the fixing cavity, and is fixed to the sleeve. When the locking part is in the locking position, the movable rod moves axially toward the fixed rod, the cylinder abuts against the limiting member, and the piston rod drives the sleeve to move toward the movable rod, so that the locking part unlocks from the limiting groove and rotates to the unlocking position.

[0026] This design, through the cooperation of the gas spring, locking components, and limiting components, makes the locking and unlocking process between the movable rod and the fixed rod more effortless and smoother. Furthermore, the gas spring allows the lifting rod module to hover at a certain height when a counterweight is set. Depending on the counterweight, the lifting rod module can be hovered at any height, enabling it to lock in both scenarios with and without a counterweight, thus improving its versatility.

[0027] In some embodiments of this application, the locking member has at least one first sidewall in the axial direction, the first sidewall being parallel to the axial direction of the fixing rod, the slot of the mounting groove being located on the first sidewall, and the direction of the rotation axis of the locking part being parallel to the first sidewall. The limiting member has at least one second sidewall in the axial direction, the second sidewall being parallel to the axial direction of the movable rod and perpendicular to the first sidewall; the limiting groove is disposed on the inner sidewall of the limiting member; The movable rod has at least one third sidewall in the axial direction, the third sidewall being parallel to the axial direction of the movable rod, and the second sidewall being connected to the third sidewall.

[0028] This design creates a first sidewall on the locking component that is parallel to the axis of the fixing rod, which is equivalent to axially thinning the locking component. On the one hand, it can reduce weight and facilitate lightweight design; on the other hand, it facilitates the setting of the locking part. The planar design can eliminate the trouble of positioning, simplify the installation process of the locking part, and thus improve the assembly efficiency of the locking component and the locking part.

[0029] Furthermore, a second sidewall parallel to the axis of the movable rod is formed on the limiting member, and a third sidewall parallel to the axis of the movable rod is formed on the movable rod. The second and third sidewalls are connected. The planar design makes it easy to position and install the limiting member and the movable rod, improving the connection stability. In addition, the limiting groove is set on the inner sidewall of the limiting member, and the second sidewall is perpendicular to the first sidewall, which allows the locking member and the limiting member to be quickly installed and positioned, and can also improve the locking and unlocking efficiency, thereby improving the stability of the lifting rod module.

[0030] Some embodiments of this application also provide a display device, which includes a display module, a base, and a lifting rod module provided in any embodiment of this application. The lifting rod module is connected to the display module and is used to adjust the height of the display module. The base is connected to the fixed rod and is used to support the lifting rod module and bear weight on the ground.

[0031] With this configuration, the display device in this embodiment can be height-adjusted and locked at a height below the highest position, which can meet the needs of people of a wider height range, improve the flexibility of the display device and diversify its usage scenarios. Attached Figure Description

[0032] To more clearly illustrate the implementation methods in some embodiments or related technologies of this application, the accompanying drawings used in the description of the embodiments or related technologies will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings.

[0033] Figure 1 This is a schematic diagram of the structure of a display device according to some embodiments of this application; Figure 2 This is a schematic diagram of the structure of the lifting rod module according to some embodiments of this application; Figure 3 This is an exploded view of the lifting rod module of some embodiments of this application; Figure 4 This is a front view of a lifting pole module according to some embodiments of this application; Figure 5 for Figure 4 AA section view in the middle; Figure 6 for Figure 5 A magnified view of region B in the middle; Figure 7 This is a schematic diagram of the locking part in the locking position according to some embodiments of this application; Figure 8 This is a schematic diagram of the locking part in the unlocked position according to some embodiments of this application; Figure 9 This is a partial schematic diagram showing the engagement of the locking member and the piston rod in some embodiments of this application; Figure 10 This is a schematic diagram of the structure of the limiting member in some embodiments of this application; Figure 11 This is a schematic diagram of the structure of the locking member in some embodiments of this application.

[0034] Explanation of reference numerals in the attached figures: 1: Display device; 10: Base; 20: Display module; 30: Lifting rod module; 310: Fixed rod; 3101: Fixed cavity; 3102: Limiting step; 3103: First opening; 320: Movable rod; 3201: Movable cavity; 3202: Second opening; 3203: Third side wall; 330: Locking unit; 3310: Locking component; 33101: Installation groove; 33102: First side wall; 3320: Locking part; 3330: Limiting component; 33301: Limiting groove; 33302: Second side wall; 3340: Preset rotating shaft; 340: Gas spring; 3401: Cylinder body; 3402: Piston rod. Detailed Implementation

[0035] To make the objectives, implementation methods and advantages of this application clearer, the exemplary implementation methods of this application will be clearly and completely described below with reference to the accompanying drawings of the exemplary embodiments of this application. Obviously, the described exemplary embodiments are only some embodiments of this application, and not all embodiments.

[0036] It should be noted that the brief descriptions of terms in this application are only for the convenience of understanding the embodiments described below, and are not intended to limit the embodiments of this application. Unless otherwise stated, these terms should be understood in their ordinary and common meaning.

[0037] The directional or positional terms used in this application, such as "upper," "lower," "inner," and "outer," are based on the directions shown in the accompanying drawings and are used only for descriptive purposes, not to limit the actual location or structure. Some terms may have other meanings in different contexts, and those skilled in the art should understand them according to the specific context.

[0038] The terms "installation," "setup," and "connection," etc., should be interpreted broadly to include, but are not limited to, fixed or detachable, mechanical or electrical, direct or indirect connection methods. The terms "first," "second," etc., are used only to distinguish objects and do not indicate importance or order. Unless otherwise stated, "multiple" refers to two or more.

[0039] As described in the background section of this application, mobile display products are used in numerous scenarios. These products typically include a base, a lifting rod, and a display screen. A key feature of these products is that the base supplies power and communication to the display screen via the lifting rod, which has a built-in conductive spring wire. To accommodate a wider range of heights, the lifting rod usually has a maximum height Hmax, and a minimum height Hmin to accommodate seated users or shorter individuals. The lifting rod is typically designed as a nestable two-end type, consisting of a fixed rod and a movable rod. A gas spring is usually installed inside the lifting rod. The movable rod is connected to the gas spring sleeve, and the fixed rod is connected to the gas spring piston rod. The movement of the gas spring piston rod drives the movable rod within the fixed rod, allowing for up-and-down movement by human operation.

[0040] However, in order to ensure that the display screen can remain stable at any height, the gas spring needs a certain supporting force to balance the weight of the screen. Therefore, when the display screen is not fixed to the lifting rod, the gas spring has no supporting force, and the lifting rod will remain in the Hmax state. This takes up a lot of space during transportation, and users also have to install the display screen from the Hmax state when assembling it, which is very inconvenient.

[0041] To address these issues, this application provides a lifting rod module and a display device to solve the problems in related technologies where, without the display module installed, the movable rod remains in its highest position, taking up a large amount of space during transportation, and requiring the display screen to be installed from the highest position, which is very inconvenient for operation.

[0042] The technical solutions of some embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0043] Figure 1 This is a schematic diagram of the structure of a display device according to some embodiments of this application, such as... Figure 1As shown, this application discloses a display device 1, which includes a display module 20, a base 10, and a lifting rod module 30 provided in any embodiment of this application. The lifting rod module 30 is connected to the display module 20 and is used to adjust the height of the display module 20. The base 10 is connected to a fixed rod 310 and is used to support the lifting rod module 30 and to be supported on the ground.

[0044] With this configuration, the display device 1 of this application embodiment can achieve height adjustment and can be locked at a height below the highest position, which can meet the needs of people with a wider range of heights, improve the flexibility of the display device 1, and make the usage scenarios more diverse.

[0045] The display device 1 provided in this application can have various implementation forms, such as a television, a smart television, a monitor, an electronic bulletin board, etc. The display module 20 is used to display image information such as text and images. In some optional embodiments, the display module 20 includes a display panel configured to display image information such as text and images. For example, the display panel can be a liquid crystal display panel.

[0046] The base 10 serves as the support base for the display module 20, resting on the ground. Typically, the end of the base 10 closest to the ground is equipped with casters, which can be omnidirectional or directional casters, allowing the display device 1 to move easily and quickly, adapting to different usage scenarios and improving the flexibility of the display device 1.

[0047] Furthermore, a lifting rod module 30 is connected between the base 10 and the display module 20. The lifting rod module 30 is used to adjust the height of the display module 20 to accommodate people of different heights when viewing the display device 1, all of whom have a good viewing angle. In addition, the height of the lifting rod module 30 is adjustable, which can also reduce the space occupied and facilitate the movement of the display device 1. Moreover, even if the display module 20 is not installed, that is, when the lifting rod module 30 is not counterweighted, the movable rod 320 can still be locked at a height lower than the highest position, which facilitates the installation of the display module 20 and improves the ease of installation of the display device 1.

[0048] This application mainly focuses on making targeted improvements to the lifting rod module 30 in the display device 1. The technical solution of this application will be further described below with reference to specific embodiments and accompanying drawings: Figure 2 This is a schematic diagram of the structure of the lifting rod module according to some embodiments of this application. Figure 3 This is an exploded view of the lifting rod module of some embodiments of this application. Figure 4 This is a front view of a lifting pole module according to some embodiments of this application. Figure 5 for Figure 4 AA section view, Figure 6 for Figure 5 A magnified view of region B in the middle, see reference. Figures 2 to 6 As can be seen, this application discloses a lifting rod module 30 for adjusting the height of a display module 20. The lifting rod module 30 includes: a fixed rod 310, a movable rod 320, and a locking unit 330. The movable rod 320 is connected to the display module 20 and is at least partially sleeved within the fixed rod 310. It can move up and down axially relative to the fixed rod 310. In the axial direction of the fixed rod 310, the movable rod 320 has a highest position and a lowest position relative to the fixed rod 310. The locking unit 330 includes a locking member 3310, a locking part 3320, and a limiting member 3330. One of the locking member 3310 and the limiting member 3330 is disposed on the fixed rod 310, and the other is disposed on the movable rod 320 and can move up and down with the movable rod 320. The locking part 3320 is rotatably connected to the locking member 3310 through a preset rotating shaft 3340, and the preset rotating shaft 3340 and the axial direction of the movable rod 320 have an included angle.

[0049] The locking part 3320 is configured such that when the movable rod 320 is at a preset height position and the lifting rod module 30 is tilted, the locking part 3320 rotates under its own gravity to a locking position where it locks with the limiting member 3330; when the lifting rod module 30 is placed vertically and the movable rod 320 is in a position other than the preset height position, the locking part 3320 rotates under its own gravity to an unlocking position where it unlocks from the limiting member 3330. The preset height position is lower than the highest position and higher than or equal to the lowest position.

[0050] With this configuration, in some embodiments of the present application, the lifting rod module 30 has a locking unit 330 between the fixed rod 310 and the movable rod 320. The locking unit 330 consists of a locking member 3310, a locking part 3320, and a limiting member 3330. The locking member 3310 and the limiting member 3330 are respectively disposed on the fixed rod 310 or the movable rod 320, which will not affect the lifting and lowering movement of the movable rod 320 relative to the fixed rod 310, thus ensuring the lifting and lowering function of the lifting rod module 30.

[0051] In addition, the locking part 3320 is rotatably connected to the locking member 3310. The locking part 3320 can rotate to the unlocking position and the locking position relative to the limiting member 3330 by its own gravity. Without the need for other structures, the structure is simpler and can lock the movable rod 320 and the fixed rod 310 together. This allows the movable rod 320 and the fixed rod 310 to be locked without the need for counterweights, reducing the overall weight of the lifting module and facilitating lightweight design. This makes the lifting rod module 30 more flexible in use.

[0052] Furthermore, as described above, when the locking part 3320 and the limiting member 3330 are locked together, the movable rod 320 is at a preset height relative to the fixed rod 310. The preset height is lower than the highest position and higher than or equal to the lowest position. That is, the movable rod 320 can be fixed at a height lower than the highest position. This can shorten the overall height of the lifting rod module 30, making it easier to handle and reducing the space occupied during transportation. At the same time, even if the display module 20 needs to be installed, it can be installed from a height lower than the highest position of the movable rod 320 without the need for other height-assisted tools (such as step stools, ladders, etc.). This makes the operation convenient and suitable for short people to install, improving the versatility of the lifting rod module 30.

[0053] In summary, this application, through the cooperation of the locking member 3310, the locking part 3320, and the limiting member 3330, and by changing the relative position of the movable rod 320 and the fixed rod 310, as well as the placement angle of the lifting rod module 30, achieves the adjustment of the movable rod 320 relative to the fixed rod 310 between the locked and unlocked positions. This allows the height of the lifting rod module 30 to be lower than the highest position even without the addition of a counterweight, reducing the space occupied during handling, facilitating operation, and making it easier for personnel to install, thereby improving the versatility and flexibility of the lifting rod module 30.

[0054] In a specific embodiment of this application, the diameter of the fixed rod 310 is slightly larger than the diameter of the movable rod 320, so that the movable rod 320 is nested inside the fixed rod 310 to realize the axial lifting and lowering movement process. When the lifting rod module 30 is installed in the display device 1, the movable rod 320 is connected to the back of the display module 20, and the fixed rod 310 is connected to the base 10, so that the lifting rod module 30 forms a vertical support for the display module 20, which facilitates the height adjustment of the display module 20 and improves the display effect.

[0055] Figure 7 This is a schematic diagram of the locking part in the locked position according to some embodiments of this application. Figure 8 This is a schematic diagram of the locking part in the unlocked position according to some embodiments of this application. (Refer to...) Figure 7 and Figure 8 and combined Figure 6 It is understood that in some optional embodiments, the locking part 3320 has a first end and a second end along its own length direction. The first end and the locking member 3310 are rotatably connected by a preset rotating shaft 3340, and the second end can rotate around the preset rotating shaft 3340 under its own gravity.

[0056] When the length direction of the locking part 3320 is aligned with the radial direction of the fixing rod 310, the locking part 3320 is in the locked position; when there is an angle between the length direction of the locking part 3320 and the radial direction of the fixing rod 310, the locking part 3320 is in the unlocked position.

[0057] With this configuration, the locking part 3320 has a certain extension length, and the first end is rotatably connected to the locking member 3310 through the preset rotating shaft 3340, which makes it convenient for the second end to rotate around the preset rotating shaft 3340. When the lifting rod module 30 is placed at an angle, it can rotate under its own gravity to lock or unlock with the limiting member 3330.

[0058] Furthermore, when the length direction of the locking part 3320 is aligned with the radial direction of the fixing rod 310, it is defined as the locking position of the locking part 3320, and when there is an angle between the length direction of the locking part 3320 and the radial direction of the fixing rod 310, it is defined as the unlocking position of the locking part 3320. The structure is simple and easy to implement, thereby simplifying the overall structure of the lifting rod module 30.

[0059] In this embodiment, the length direction of the locking part 3320 is associated with the radial direction of the fixing rod 310. When the limiting part rotates around the preset rotating shaft 3340, the length direction of the locking part 3320 changes to a different angle relative to the radial direction of the fixing rod 310, thereby enabling the locking part 3320 to switch between the locked position and the unlocked position. The structure is simple and easy to implement. The preset rotating shaft 3340 can be a pin, nail, or other part that enables the locking part 3320 to rotate.

[0060] In some alternative embodiments, when the locking part 3320 is in the unlocked position, the length direction of the locking part 3320 is along the axial direction of the fixing rod 310.

[0061] With this configuration, when the length direction of the locking part 3320 coincides with the axial direction of the fixed rod 310, it is defined as the unlocking position of the locking part 3320. At this time, the locking part 3320 and the fixed rod 310 are coaxial, which does not affect the axial movement of the movable rod 320 relative to the fixed rod 310. This makes the height adjustment process of the movable rod 320 relative to the fixed rod 310 more flexible, and thus the lifting and lowering movement of the lifting rod module 30 is smoother.

[0062] In some optional embodiments, the fixed rod 310 has a fixed cavity 3101, and the locking member 3310 is fixed in the fixed cavity 3101; the movable rod 320 has a movable cavity 3201, and the limiting member 3330 is fixed in the movable cavity 3201. When the movable rod 320 is at a preset height position, the fixed cavity 3101 and the movable cavity 3201 are arranged opposite to each other and are interconnected in the radial direction of the fixed rod 310.

[0063] With this configuration, the movable rod 320 and the fixed rod 310 respectively form a movable cavity 3201 and a fixed cavity 3101, which are internally connected, making the adjustment process more flexible. The locking member 3310 is located in the fixed cavity 3101, while the limiting member 3330 is located in the movable cavity 3201. The locking unit 330, which is used to lock the movable rod 320 and the fixed rod 310 relative to each other, is placed inside their respective cavities, which is equivalent to hiding the locking unit 330. The outer surface is flatter, making the overall appearance of the lifting rod module 30 neater.

[0064] Figure 9 This is a partial schematic diagram showing the engagement of the locking member and the piston rod in some embodiments of this application. (Refer to...) Figure 9 It is understood that in some optional embodiments, a limiting step 3102 is provided at the bottom of the fixed cavity 3101. When the movable rod 320 is in the lowest position relative to the fixed rod 310, at least one of the bottom end of the movable rod 320 and the limiting member 3330 abuts against the limiting step 3102.

[0065] This design limits the height of the movable rod 320 at its lowest position by limiting the step 3102, thus restricting the height adjustment of the movable rod 320 and preventing it from moving too fast and hitting the bottom of the fixed cavity 3101, which would cause excessive impact and tilt the fixed rod 310, thereby improving the lifting stability of the lifting rod module 30.

[0066] For example, the limiting step 3102 may include a small boss protruding from the bottom wall of the fixing cavity 3101 toward the opening of the fixing cavity 3101. The locking member 3310 is detachably fixed to the upper surface of the limiting step 3102 by screws, which improves the connection effect of the locking member 3310. At the same time, the detachable connection method can also facilitate individual replacement and reduce the maintenance cost of the lifting rod module 30.

[0067] In some optional embodiments, the side wall of the fixed rod 310 facing the movable rod 320 has a first opening 3103, which communicates with the fixed cavity 3101; the side wall of the movable rod 320 facing the fixed rod 310 has a second opening 3202, which communicates with the movable cavity 3201, and the first opening 3103 and the second opening 3202 are arranged opposite to each other; the locking part 3320 can be locked or unlocked with the limiting member 3330 in sequence through the first opening 3103 and the second opening 3202.

[0068] This configuration allows the fixed rod 310 and the movable rod 320 to be internally connected through the first opening 3103 and the second opening 3202. When the locking part 3320 passes through the first opening 3103 and reaches the second opening 3202, it completes the locking or unlocking process with the limiting member 3330 in the movable cavity 3201. The structure is simple and does not affect the movement process between the outer wall of the movable rod 320 and the inner wall of the fixed rod 310, thus ensuring the stability of the lifting rod module 30 during the lifting process.

[0069] In this embodiment, the locking member 3310 and the locking part 3320 are disposed at the bottom of the fixed cavity 3101. When the movable rod 320 moves toward the fixed rod 310, the height of the movable rod 320 relative to the fixed rod 310 gradually decreases, and the distance between the locking part 3320 and the limiting member 3330 becomes smaller and smaller until the locking part 3320 and the limiting member 3330 are locked, thereby realizing the locking process of the movable rod 320 at a position lower than the highest position.

[0070] Figure 10 This is a schematic diagram of the structure of the limiting member in some embodiments of this application, with reference to... Figure 10 It is understood that in some optional embodiments, the limiting member 3330 surrounds at least part of the circumferential inner side of the axial center of the movable rod 320, and the limiting member 3330 has a limiting groove 33301, the opening of the limiting groove 33301 faces the radial center of the movable rod 320, and the extension direction of the groove wall of the limiting groove 33301 has an angle with the axial direction of the fixed rod 310. When the locking part 3320 is rotated to the locking position, the locking member 3310 extends into the space formed by the limiting member 3330, and the locking part 3320 is received and abutted in the limiting groove 33301 to lock with the limiting groove 33301.

[0071] With this configuration, the limiting member 3330 is arranged around the inner circumference of the movable rod 320, resulting in high structural stability and facilitating the installation of the limiting member 3330. Simultaneously, the limiting member 3330 is also provided with a limiting groove 33301, which forms a locking space. When the locking member 3310 extends into the space formed by the limiting member 3330, the locking part 3320 is received and abuts against the limiting groove 33301, thereby locking the locking part 3320 with the limiting groove 33301. This locks the movable rod 320 relative to the fixed rod 310, securing the movable rod 320 at a predetermined height and enabling the flexibility of the lifting rod module 30.

[0072] Figure 11 This is a schematic diagram of the structure of the locking member in some embodiments of this application, with reference to... Figure 11It is understood that, in some optional embodiments, one end of the locking member 3310 is fixed to the bottom end of the fixing cavity 3101; the locking member 3310 is provided with a mounting groove 33101, which is located on the axial side wall of the locking member 3310, and the groove opening of the mounting groove 33101 faces the side wall of the fixing cavity 3101; the locking part 3320 is rotatably connected to the side wall of the mounting groove 33101 through a preset rotating shaft 3340.

[0073] This design, by fixing the locking member 3310 to the bottom end of the fixed cavity 3101, facilitates an increase in the adjustment range of the movable rod 320 relative to the fixed rod 310 between its lowest and highest positions. This allows the lifting rod module 30 to meet a wider range of height requirements, improving its versatility. Furthermore, the locking member 3310 is provided with a mounting groove 33101. Placing the locking part 3320 within the mounting groove 33101 enhances the overall integrity of the locking member 3310 and the locking part 3320, resulting in a more stable structure. Additionally, when the locking part 3320 is not locked to the locking member 3310, it can be hidden inside the mounting groove 33101, without affecting the lifting and lowering movement of the lifting rod module 30.

[0074] In some optional embodiments, the locking member 3310 includes a sleeve; the lifting rod module 30 also includes a gas spring 340, which includes a cylinder 3401 and a piston rod 3402. The cylinder 3401 is sleeved on the outside of the piston rod 3402. The cylinder 3401 is stopped in the movable cavity 3201 by the limiting member 3330 and can move up and down with the movable rod 320. The limiting member 3330 has a limiting hole at its radial center, and the piston rod 3402 passes through the limiting hole and is located in the fixing cavity 3101 and fixed to the sleeve. When the locking part 3320 is in the locked position, the movable rod 320 moves axially toward the fixed rod 310, the cylinder 3401 abuts against the limiting member 3330, and the piston rod 3402 drives the sleeve to move toward the movable rod 320, so that the locking part 3320 is unlocked from the limiting groove 33301 and rotates to the unlocked position.

[0075] With this configuration, the locking and unlocking process between the movable rod 320 and the fixed rod 310 is made easier and smoother by the cooperation of the gas spring 340, the locking component 3310, and the limiting component 3330. Furthermore, the gas spring 340 allows the lifting rod module 30 to be suspended at a certain height when a counterweight is set. Depending on the counterweight, the lifting rod module 30 can be suspended at any height, so that the lifting rod module 30 can be locked in both scenarios with and without a counterweight, thus improving its versatility.

[0076] In this embodiment, the locking member 3310 includes a sleeve. For example, the sleeve can be a hollow cylindrical structure. The piston rod 3402 is nested inside the sleeve and is fixed to the limiting step 3102 in a detachable connection with the sleeve, which facilitates the disassembly and installation of the sleeve and the piston rod 3402.

[0077] The cylinder body 3401 is nested within the movable cavity 3201 and can move axially up and down with the movable rod 320. The limiting member 3330 stops the cylinder body 3401 within the movable cavity 3201, thus restricting the range of motion of the cylinder body 3401 to the inside of the movable cavity 3201. However, when the lifting rod module 30 is in a vertical state, the locking part 3320 is in a locked position relative to the limiting member 3330. When unlocking is required, the movable rod 320 can be moved further towards the fixed rod 310, causing the cylinder body 3401 to abut against it. On the limiting member 3330, the piston can still drive the sleeve to move towards the movable rod 320. At this time, the locking part 3320 is disengaged from the position that is radially parallel to the limiting member 3330. That is, the locking part 3320 is located inside the movable cavity 3201. The locking part 3320 is not restricted by the limiting groove 33301. Under the action of gravity, it naturally descends to the same direction as the fixed rod 310 and unlocks with the limiting member 3330, completing the entire unlocking process without the need for other tools and auxiliary equipment. The process is simple.

[0078] In some optional embodiments, the locking member 3310 has at least one first sidewall 33102 in the axial direction, the first sidewall 33102 is parallel to the axial direction of the fixing rod 310, the slot of the mounting groove 33101 is located on the first sidewall 33102, and the direction of the rotation axis of the locking part 3320 is parallel to the first sidewall 33102. The limiting member 3330 has at least one second sidewall 33302 in the axial direction. The second sidewall 33302 is parallel to the axial direction of the movable rod 320 and perpendicular to the first sidewall 33102. The limiting groove 33301 is provided on the inner sidewall of the limiting member 3330. The movable rod 320 has at least one third sidewall 3203 in the axial direction, the third sidewall 3203 is parallel to the axial direction of the movable rod 320, and the second sidewall 33302 is connected to the third sidewall 3203.

[0079] With this configuration, a first sidewall 33102 parallel to the axial direction of the fixing rod 310 is formed on the locking member 3310. This is equivalent to axially thinning the locking member 3310. On the one hand, it can reduce weight and facilitate lightweight design; on the other hand, it facilitates the setting of the locking part 3320. The planar design can eliminate the trouble of positioning, simplify the installation process of the locking part 3320, and thus improve the assembly efficiency of the locking member 3310 and the locking part 3320.

[0080] Furthermore, a second sidewall 33302 parallel to the axial direction of the movable rod 320 is formed on the limiting member 3330, and a third sidewall 3203 parallel to the axial direction of the movable rod 320 is formed on the movable rod 320. The second sidewall 33302 and the third sidewall 3203 are connected. The planar arrangement makes it easy to position and install the limiting member 3330 and the movable rod 320, improving the connection stability. In addition, the limiting groove 33301 is provided on the inner sidewall of the limiting member 3330, and the second sidewall 33302 is perpendicular to the first sidewall 33102, which allows the locking member 3310 and the limiting member 3330 to be quickly installed and positioned, and can also improve the locking and unlocking efficiency, thereby improving the stability of the lifting rod module 30.

[0081] In this embodiment, both the locking member 3310 and the limiting member 3330 can be cylindrical, with longitudinally flattened edges on opposite axial sides, forming two opposing first sidewalls 33102 for the locking member 3310 and two opposing second sidewalls 33302 for the limiting member 3330. This results in a more symmetrical structure, reducing weight and improving structural stability. Correspondingly, to facilitate a stable connection between the limiting member 3330 and the movable rod 320, two opposing third sidewalls 3203 are also formed at the end of the movable rod 320. The connection between the limiting member 3330 and the movable rod 320 can be fixed with screws, allowing for detachable connection, easy replacement and installation, and improved structural connection stability.

[0082] For example, the longitudinal extension length of the sleeve is less than the length of the fixed rod 310. The longitudinal length of the limiting member 3330 is set to be shorter. The limiting member 3330 can be set as a ring along the circumference of the inner side wall of the movable rod 320. The ring can also play a guiding role in assisting the movable rod 320 to move up and down, so that the cylinder 3401 abuts against the limiting member 3330. When the limiting part is unlocked, the cylinder 3401 will not have radial displacement, which would cause the unlocking speed to be too slow. It can also improve the overall stability of the lifting rod module 30 structure.

[0083] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A lifting rod module for adjusting the height of a display module, characterized in that, The lifting pole module includes: Fixed rod; A movable rod, for connecting to the display module, is at least partially sleeved within the fixed rod and is axially movable relative to the fixed rod, having a highest position and a lowest position relative to the fixed rod along its axial direction; and The locking unit includes a locking member, a locking part, and a limiting member. One of the locking member and the limiting member is disposed on the fixed rod, and the other is disposed on the movable rod and can move up and down with the movable rod. The locking part is rotatably connected to the locking member through a preset rotating shaft, and the preset rotating shaft and the axial direction of the movable rod have an included angle. The locking part is configured such that when the movable rod is at a preset height position and the lifting rod module is tilted, the locking part rotates under its own gravity to a locking position where it locks with the limiting member; when the lifting rod module is placed vertically and the movable rod is in a position other than the preset height position, the locking part rotates under its own gravity to an unlocking position where it unlocks from the limiting member. The preset height position is lower than the highest position and higher than or equal to the lowest position.

2. The lifting rod module according to claim 1, characterized in that, The locking part has a first end and a second end along its own length direction. The first end and the locking member are rotatably connected by the preset rotating shaft, and the second end can rotate around the preset rotating shaft under its own weight. Wherein, when the length direction of the locking part is consistent with the radial direction of the fixing rod, the locking part is located in the locked position; when there is an angle between the length direction of the locking part and the radial direction of the fixing rod, the locking part is located in the unlocked position.

3. The lifting rod module according to claim 2, characterized in that, When the locking part is in the unlocked position, the length direction of the locking part is along the axial direction of the fixing rod.

4. The lifting rod module according to any one of claims 1-3, characterized in that, The fixing rod has a fixing cavity, and the locking member is fixed inside the fixing cavity; The movable rod has a movable cavity, the limiting member is fixed in the movable cavity, and when the movable rod is at the preset height position, the fixed cavity and the movable cavity are arranged opposite to each other and are interconnected in the radial direction of the fixed rod.

5. The lifting rod module according to claim 4, characterized in that, The bottom of the fixed cavity is provided with a limiting step. When the movable rod is in the lowest position relative to the fixed rod, the bottom end of the movable rod and at least one of the limiting members abut against the limiting step.

6. The lifting rod module according to claim 4, characterized in that, The fixed rod has a first opening on the sidewall facing the movable rod, and the first opening communicates with the fixed cavity; the movable rod has a second opening on the sidewall facing the fixed rod, and the second opening communicates with the movable cavity, and the first opening and the second opening are arranged opposite to each other; The locking part can be sequentially locked or unlocked with the limiting member through the first opening and the second opening.

7. The lifting rod module according to claim 6, characterized in that, The limiting member is at least partially circumferentially inner around the axial center of the movable rod, and the limiting member has a limiting groove, the opening of the limiting groove facing the radial center of the movable rod, and the groove wall extending in the limiting groove at an angle to the axial direction of the fixed rod. When the locking part is rotated to the locking position, the locking member extends into the space formed by the limiting member, and the locking part is received and abutted in the limiting groove to lock with the limiting groove.

8. The lifting rod module according to claim 7, characterized in that, One end of the locking member is fixed to the bottom end of the fixing cavity; The locking member is provided with a mounting groove, which is located on the axial side wall of the locking member, and the groove opening faces the side wall of the fixing cavity; the locking part is rotatably connected to the side wall of the mounting groove through the preset rotating shaft.

9. The lifting rod module according to claim 8, characterized in that, The locking component includes a sleeve; the lifting rod module also includes a gas spring, the gas spring including a cylinder and a piston rod, the cylinder being sleeved on the outside of the piston rod, the cylinder being stopped in the movable cavity by the limiting component, and being able to move up and down with the movable rod; The limiting member has a limiting hole at its radial center, and the piston rod passes through the limiting hole, is located in the fixing cavity, and is fixed to the sleeve. When the locking part is in the locking position, the movable rod moves axially toward the fixed rod, the cylinder abuts against the limiting member, and the piston rod drives the sleeve to move toward the movable rod, so that the locking part unlocks from the limiting groove and rotates to the unlocking position.

10. A display device, characterized in that, The device includes a display module, a base, and a lifting rod module as described in any one of claims 1-9, wherein the lifting rod module is connected to the display module and is used to adjust the height of the display module; The base is connected to the fixed rod and is used to support the lifting rod module and bear weight on the ground.

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