CN218935794U - Adjustable support frame - Google Patents

Adjustable support frame Download PDF

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CN218935794U
CN218935794U CN202223232837.8U CN202223232837U CN218935794U CN 218935794 U CN218935794 U CN 218935794U CN 202223232837 U CN202223232837 U CN 202223232837U CN 218935794 U CN218935794 U CN 218935794U
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fixedly connected
display screen
lifting
support frame
lifting column
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周虹昕
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Abstract

The utility model discloses an adjustable support frame, which relates to the technical field of display screen brackets, and comprises a base, wherein a lifting assembly is arranged at the upper end of the base and comprises a lifting column, the lifting column reciprocates in a straight line along the vertical direction, a first adjusting assembly is arranged at the end part of the lifting column and comprises a rotatable connecting column, a U-shaped frame is arranged at the end part of the connecting column, a second adjusting assembly is arranged in the U-shaped frame and comprises a rotatable rotating block, and a display screen is fixedly connected at the end part of the rotating block; the utility model carries out height adjustment by lifting the display screen. The left-right rotation angle adjustment is carried out on the display screen through the worm wheel and the worm, and the up-down rotation angle adjustment is carried out on the display screen through the rotation block, so that the problem of single function of the traditional display screen support frame is solved.

Description

一种可调节支撑架An adjustable support frame

技术领域technical field

本实用新型涉及显示屏支架技术领域,具体为一种可调节支撑架。The utility model relates to the technical field of display screen brackets, in particular to an adjustable support frame.

背景技术Background technique

在日常生活中,显示屏被越来越广泛的应用,如手机、平板等,为了方便观看或操作显示屏,通常会使用显示屏支撑架来固定放置显示屏。In daily life, display screens are more and more widely used, such as mobile phones, tablets, etc. In order to facilitate viewing or operating the display screens, display screen support frames are usually used to fix the display screens.

现有的显示屏支撑架功能单一,虽然显示屏相对于支架可转动调整,但是可转动调整的角度有限,另外显示屏高度不能根据需要进行调节。The existing display screen support frame has single function. Although the display screen can be rotatably adjusted relative to the bracket, the angle of rotatable adjustment is limited, and the height of the display screen cannot be adjusted as required.

针对上述问题,本实用新型提供了一种可调节支撑架。In view of the above problems, the utility model provides an adjustable support frame.

实用新型内容Utility model content

本实用新型的目的在于提供一种可调节支撑架,本实用新型通过显示屏升降进行高度调节。通过蜗轮和蜗杆对显示屏进行左右转动角度调节,通过转动块对显示屏进行上下转动角度调节,解决了传统显示屏支撑架功能单一的问题,从而解决了背景技术中的问题。The purpose of the utility model is to provide an adjustable support frame, and the utility model can adjust the height by lifting and lowering the display screen. The left and right rotation angle of the display screen is adjusted through the worm wheel and the worm screw, and the up and down rotation angle of the display screen is adjusted through the rotating block, which solves the problem of the single function of the traditional display screen support frame, thereby solving the problems in the background technology.

为实现上述目的,本实用新型提供如下技术方案:一种可调节支撑架,包括底座,底座上端设置有升降组件,升降组件包括升降柱,升降柱沿垂直方向往复直线运动,升降柱的端部设置有第一调节组件,第一调节组件包括可旋转的连接柱,连接柱的端部设置有U型架,U型架的内部设置有第二调节组件,第二调节组件包括可旋转的转动块,转动块的端部固定连接有显示屏。In order to achieve the above purpose, the utility model provides the following technical solutions: an adjustable support frame, including a base, the upper end of the base is provided with a lifting assembly, the lifting assembly includes a lifting column, and the lifting column moves back and forth in a straight line in the vertical direction, and the end of the lifting column A first adjustment assembly is provided, the first adjustment assembly includes a rotatable connecting column, a U-shaped frame is provided at the end of the connecting column, and a second adjusting assembly is provided inside the U-shaped frame, and the second adjusting assembly includes a rotatable rotating A block, the end of the rotating block is fixedly connected with a display screen.

进一步地,升降组件还包括对称设置在底座两侧的侧板,侧板固定连接在底座外周面上,侧板内部滑动连接有导杆,导杆端部固定连接在固定板下端面上,固定板固定连接在升降柱下端侧面上,升降柱中部螺纹连接有丝杆,丝杆底端通过轴承转动连接在底座端面上,丝杆底端一侧固定安装有第一把手。Further, the lifting assembly also includes side plates symmetrically arranged on both sides of the base, the side plates are fixedly connected to the outer peripheral surface of the base, a guide rod is slidably connected to the inside of the side plate, and the end of the guide rod is fixedly connected to the lower end surface of the fixed plate. The plate is fixedly connected to the side of the lower end of the lifting column, the middle part of the lifting column is threadedly connected with a screw rod, the bottom end of the screw rod is connected to the end face of the base through bearing rotation, and the first handle is fixedly installed on one side of the bottom end of the screw rod.

进一步地,第一调节组件还包括固定连接在升降柱端部一侧的连接架,连接架内侧壁通过轴承转动连接有转动轴,转动轴中部固定安装有蜗杆,蜗杆啮合连接蜗轮,蜗轮固定安装在连接柱上,连接柱底端通过轴承转动连接在升降柱端面上,转动轴一端向外延伸并固定连接有第二把手。Further, the first adjustment assembly also includes a connecting frame fixedly connected to one side of the end of the lifting column. The inner wall of the connecting frame is rotatably connected to a rotating shaft through a bearing. A worm is fixedly installed in the middle of the rotating shaft. On the connecting column, the bottom end of the connecting column is rotatably connected to the end face of the lifting column through a bearing, and one end of the rotating shaft extends outward and is fixedly connected with a second handle.

进一步地,第二调节组件还包括固定连接在U型架内侧壁上的转动杆,转动杆的中部固定安装有转动块,转动杆一端向外延伸并固定连接有第三把手,U型架外侧壁上开设有均匀分布的定位孔,第三把手上同样开设有定位孔,定位孔螺纹连接螺栓。Further, the second adjustment assembly also includes a rotating rod fixedly connected to the inner wall of the U-shaped frame, a rotating block is fixedly installed in the middle of the rotating rod, one end of the rotating rod extends outward and is fixedly connected with a third handle, and the outer side of the U-shaped frame Evenly distributed positioning holes are provided on the wall, and positioning holes are also provided on the third handle, and the positioning holes are threadedly connected with bolts.

进一步地,底座的底端固定连接有若干个均匀分布的支腿。Furthermore, several evenly distributed legs are fixedly connected to the bottom end of the base.

与现有技术相比,本实用新型的有益效果如下:Compared with the prior art, the beneficial effects of the utility model are as follows:

本实用新型提供的一种可调节支撑架,转动第一把手,第一把手转动带动丝杆转动,进而带动升降柱垂直升降,对显示屏的高度进行调整;转动第二把手,第二把手转动带动蜗杆转动,通过与蜗轮啮合,带动连接柱转动,进而带动显示屏左右转动进行角度调节;上下转动显示屏至一定角度,然后通过螺栓与定位孔连接对显示屏位置固定,进行角度调节。这样设计的目的是通过显示屏升降进行高度调节。通过蜗轮和蜗杆对显示屏进行左右转动角度调节,通过转动块对显示屏进行上下转动角度调节,解决了传统显示屏支撑架功能单一的问题。The utility model provides an adjustable support frame. When the first handle is rotated, the rotation of the first handle drives the screw to rotate, and then drives the lifting column to rise and fall vertically, and the height of the display screen is adjusted; the second handle is rotated, and the rotation of the second handle drives the worm Rotation, through meshing with the worm gear, drives the connecting column to rotate, and then drives the display screen to rotate left and right to adjust the angle; rotate the display screen up and down to a certain angle, and then connect the bolt to the positioning hole to fix the position of the display screen and adjust the angle. The purpose of this design is to adjust the height by lifting and lowering the display screen. The left and right rotation angle of the display screen is adjusted through the worm wheel and the worm, and the up and down rotation angle of the display screen is adjusted through the rotating block, which solves the problem of single function of the traditional display screen support frame.

附图说明Description of drawings

图1为本实用新型的整体结构示意图;Fig. 1 is the overall structural representation of the utility model;

图2为本实用新型中底座上端结构示意图;Fig. 2 is a schematic diagram of the structure of the upper end of the base in the utility model;

图3为本实用新型中底座上端结构侧向示意图;Fig. 3 is the lateral schematic diagram of the structure of the upper end of the base in the utility model;

图4为本实用新型图2中A处放大图。Fig. 4 is an enlarged view of A in Fig. 2 of the present utility model.

图中:1、底座;2、支腿;3、丝杆;4、升降柱;5、第一把手;6、侧板;7、固定板;8、导杆;9、连接架;10、蜗杆;11、转动轴;12、第二把手;13、蜗轮;14、连接柱;15、U型架;16、转动块;17、第三把手;18、螺栓;19、定位孔;20、显示屏;21、转动杆。In the figure: 1. Base; 2. Outrigger; 3. Screw rod; 4. Lifting column; 5. First handle; 6. Side plate; 7. Fixed plate; 8. Guide rod; 9. Connecting frame; 10. Worm ;11, rotating shaft; 12, second handle; 13, worm gear; 14, connecting column; 15, U-shaped frame; 16, rotating block; 17, third handle; 18, bolt; 19, positioning hole; 20, display screen; 21, rotating rod.

具体实施方式Detailed ways

下面将结合本实用新型实施例中的附图,对本实用新型实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本实用新型一部分实施例,而不是全部的实施例。基于本实用新型中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本实用新型保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

为了解决支撑架如何有效调节技术问题,如图1-4所示,提供以下优选技术方案:In order to solve the technical problem of how to effectively adjust the support frame, as shown in Figure 1-4, the following optimal technical solutions are provided:

一种可调节支撑架,包括底座1,底座1上端设置有升降组件,升降组件包括升降柱4,升降柱4沿垂直方向往复直线运动,升降柱4的端部设置有第一调节组件,第一调节组件包括可旋转的连接柱14,连接柱14的端部设置有U型架15,U型架15的内部设置有第二调节组件,第二调节组件包括可旋转的转动块16,转动块16的端部固定连接有显示屏20。An adjustable support frame includes a base 1, the upper end of the base 1 is provided with a lifting assembly, the lifting assembly includes a lifting column 4, and the lifting column 4 reciprocates linearly in a vertical direction, and the end of the lifting column 4 is provided with a first adjustment assembly. An adjustment assembly includes a rotatable connecting column 14, the end of the connecting column 14 is provided with a U-shaped frame 15, the inside of the U-shaped frame 15 is provided with a second adjusting assembly, and the second adjusting assembly includes a rotatable rotating block 16, which rotates A display screen 20 is fixedly connected to the end of the block 16 .

具体地,转动第一把手5,第一把手5转动带动丝杆3转动,进而带动升降柱4垂直升降,对显示屏20的高度进行调整;转动第二把手12,第二把手12转动带动蜗杆10转动,通过与蜗轮13啮合,带动连接柱14转动,进而带动显示屏20左右转动进行角度调节;上下转动显示屏20至一定角度,然后通过螺栓18与定位孔19连接对显示屏20位置固定,进行角度调节。这样设计的目的是通过显示屏20升降进行高度调节。通过蜗轮13和蜗杆10对显示屏20进行左右转动角度调节,通过转动块16对显示屏20进行上下转动角度调节,解决了传统显示屏20支撑架功能单一的问题。Specifically, when the first handle 5 is turned, the rotation of the first handle 5 drives the screw mandrel 3 to rotate, and then drives the lifting column 4 to rise and fall vertically, and the height of the display screen 20 is adjusted; , by meshing with the worm wheel 13, the connecting column 14 is driven to rotate, and then the display screen 20 is rotated left and right to adjust the angle; Angle adjustment. The purpose of such design is to carry out height adjustment by display screen 20 lifting. The left and right rotation angle of the display screen 20 is adjusted through the worm wheel 13 and the worm screw 10, and the up and down rotation angle of the display screen 20 is adjusted through the rotating block 16, which solves the problem of single function of the support frame of the traditional display screen 20.

进一步的,如图2和图3所示,提供以下优选技术方案:Further, as shown in Figure 2 and Figure 3, the following preferred technical solutions are provided:

升降组件还包括对称设置在底座1两侧的侧板6,侧板6固定连接在底座1外周面上,侧板6内部滑动连接有导杆8,导杆8端部固定连接在固定板7下端面上,固定板7固定连接在升降柱4下端侧面上,升降柱4中部螺纹连接有丝杆3,丝杆3底端通过轴承转动连接在底座1端面上,丝杆3底端一侧固定安装有第一把手5,这样设计的目的是通过第一把手5转动带动升降柱4垂直升降。The lifting assembly also includes side plates 6 symmetrically arranged on both sides of the base 1. The side plates 6 are fixedly connected to the outer peripheral surface of the base 1. The inside of the side plates 6 is slidably connected to a guide rod 8, and the end of the guide rod 8 is fixedly connected to the fixed plate 7. On the lower end surface, the fixed plate 7 is fixedly connected to the side of the lower end of the lifting column 4, and the middle part of the lifting column 4 is threadedly connected with the screw rod 3, and the bottom end of the screw rod 3 is connected to the end face of the base 1 through bearing rotation, and one side of the bottom end of the screw rod 3 The first handle 5 is fixedly installed, and the purpose of design is to drive the lifting column 4 to vertically lift by the rotation of the first handle 5 .

进一步的,如图2所示,提供以下优选技术方案:Further, as shown in Figure 2, the following preferred technical solutions are provided:

第一调节组件还包括固定连接在升降柱4端部一侧的连接架9,连接架9内侧壁通过轴承转动连接有转动轴11,转动轴11中部固定安装有蜗杆10,蜗杆10啮合连接蜗轮13,蜗轮13固定安装在连接柱14上,连接柱14底端通过轴承转动连接在升降柱4端面上,转动轴11一端向外延伸并固定连接有第二把手12,这样设计的目的是通过第二把手12转动带动显示屏20进行左右角度调整。The first adjustment assembly also includes a connecting frame 9 fixedly connected to one side of the end of the lifting column 4. The inner wall of the connecting frame 9 is rotatably connected to a rotating shaft 11 through a bearing. 13. The worm gear 13 is fixedly installed on the connecting column 14, the bottom end of the connecting column 14 is connected to the end surface of the lifting column 4 through bearing rotation, and one end of the rotating shaft 11 extends outward and is fixedly connected with the second handle 12. The purpose of this design is to pass The rotation of the second handle 12 drives the display screen 20 to adjust the left and right angles.

进一步的,如图2和图4所示,提供以下优选技术方案:Further, as shown in Figure 2 and Figure 4, the following preferred technical solutions are provided:

第二调节组件还包括固定连接在U型架15内侧壁上的转动杆21,转动杆21的中部固定安装有转动块16,转动杆21一端向外延伸并固定连接有第三把手17,U型架15外侧壁上开设有均匀分布的定位孔19,第三把手17上同样开设有定位孔19,定位孔19螺纹连接螺栓18,这样设计的目的是通过转动块16转动带动显示屏20上下转动,通过螺栓18将显示屏20位置进行固定。The second adjustment assembly also includes a rotating rod 21 fixedly connected to the inner wall of the U-shaped frame 15, the middle part of the rotating rod 21 is fixedly equipped with a rotating block 16, and one end of the rotating rod 21 extends outwards and is fixedly connected with a third handle 17, U On the outside wall of the frame 15, there are evenly distributed positioning holes 19, and the third handle 17 is also provided with positioning holes 19. The positioning holes 19 are threadedly connected to the bolts 18. The purpose of this design is to drive the display screen 20 up and down by rotating the rotating block 16. Rotate, the display screen 20 position is fixed by bolt 18.

进一步的,如图1所示,提供以下优选技术方案:Further, as shown in Figure 1, the following preferred technical solutions are provided:

底座1的底端固定连接有若干个均匀分布的支腿2,这样设计的目的是通过支腿2对整体结构进行支撑。The bottom end of the base 1 is fixedly connected with several evenly distributed outriggers 2 , and the purpose of this design is to support the overall structure through the outriggers 2 .

综上所述:转动第一把手5,第一把手5转动带动丝杆3转动,进而带动升降柱4垂直升降,对显示屏20的高度进行调整;转动第二把手12,第二把手12转动带动蜗杆10转动,通过与蜗轮13啮合,带动连接柱14转动,进而带动显示屏20左右转动进行角度调节;上下转动显示屏20至一定角度,然后通过螺栓18与定位孔19连接对显示屏20位置固定,进行角度调节。这样设计的目的是通过显示屏20升降进行高度调节。通过蜗轮13和蜗杆10对显示屏20进行左右转动角度调节,通过转动块16对显示屏20进行上下转动角度调节,解决了传统显示屏20支撑架功能单一的问题。To sum up: turn the first handle 5, the rotation of the first handle 5 will drive the screw rod 3 to rotate, and then drive the lifting column 4 to rise and fall vertically, and adjust the height of the display screen 20; turn the second handle 12, and the rotation of the second handle 12 will drive the worm 10 rotates, and by meshing with the worm wheel 13, it drives the connecting column 14 to rotate, and then drives the display screen 20 to rotate left and right to adjust the angle; rotate the display screen 20 up and down to a certain angle, and then connect the positioning hole 19 through the bolt 18 to fix the position of the display screen 20 , to adjust the angle. The purpose of such design is to carry out height adjustment by display screen 20 lifting. The left and right rotation angle of the display screen 20 is adjusted through the worm wheel 13 and the worm screw 10, and the up and down rotation angle of the display screen 20 is adjusted through the rotating block 16, which solves the problem of single function of the support frame of the traditional display screen 20.

需要说明的是,在本文中,诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

尽管已经示出和描述了本实用新型的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本实用新型的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本实用新型的范围由所附权利要求及其等同物限定。Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1.一种可调节支撑架,包括底座(1),其特征在于:所述底座(1)上端设置有升降组件,升降组件包括升降柱(4),升降柱(4)沿垂直方向往复直线运动,升降柱(4)的端部设置有第一调节组件,第一调节组件包括可旋转的连接柱(14),连接柱(14)的端部设置有U型架(15),U型架(15)的内部设置有第二调节组件,第二调节组件包括可旋转的转动块(16),转动块(16)的端部固定连接有显示屏(20)。1. An adjustable support frame, comprising a base (1), characterized in that: the upper end of the base (1) is provided with a lifting assembly, the lifting assembly includes a lifting column (4), and the lifting column (4) reciprocates in a straight line along the vertical direction Movement, the end of the lifting column (4) is provided with a first adjustment assembly, the first adjustment assembly includes a rotatable connecting column (14), and the end of the connecting column (14) is provided with a U-shaped frame (15), U-shaped A second adjustment assembly is arranged inside the frame (15), and the second adjustment assembly includes a rotatable turning block (16), and a display screen (20) is fixedly connected to the end of the turning block (16). 2.根据权利要求1所述的一种可调节支撑架,其特征在于:所述升降组件还包括对称设置在底座(1)两侧的侧板(6),侧板(6)固定连接在底座(1)外周面上,侧板(6)内部滑动连接有导杆(8),导杆(8)端部固定连接在固定板(7)下端面上,固定板(7)固定连接在升降柱(4)下端侧面上,升降柱(4)中部螺纹连接有丝杆(3),丝杆(3)底端通过轴承转动连接在底座(1)端面上,丝杆(3)底端一侧固定安装有第一把手(5)。2. An adjustable support frame according to claim 1, characterized in that: the lifting assembly also includes side plates (6) symmetrically arranged on both sides of the base (1), and the side plates (6) are fixedly connected to On the outer peripheral surface of the base (1), a guide rod (8) is slidingly connected to the inside of the side plate (6), and the end of the guide rod (8) is fixedly connected to the lower end surface of the fixed plate (7), and the fixed plate (7) is fixedly connected to the On the side of the lower end of the lifting column (4), the middle part of the lifting column (4) is threadedly connected with a screw rod (3). A first handle (5) is fixedly installed on one side. 3.根据权利要求1所述的一种可调节支撑架,其特征在于:所述第一调节组件还包括固定连接在升降柱(4)端部一侧的连接架(9),连接架(9)内侧壁通过轴承转动连接有转动轴(11),转动轴(11)中部固定安装有蜗杆(10),蜗杆(10)啮合连接蜗轮(13),蜗轮(13)固定安装在连接柱(14)上,连接柱(14)底端通过轴承转动连接在升降柱(4)端面上,转动轴(11)一端向外延伸并固定连接有第二把手(12)。3. An adjustable support frame according to claim 1, characterized in that: the first adjustment assembly also includes a connecting frame (9) fixedly connected to one side of the end of the lifting column (4), the connecting frame ( 9) The inner wall is rotatably connected with a rotating shaft (11) through a bearing, and a worm (10) is fixedly installed in the middle of the rotating shaft (11), and the worm (10) is meshed with the worm wheel (13), and the worm wheel (13) is fixedly installed on the connecting column ( 14), the bottom end of the connecting column (14) is rotatably connected to the end surface of the lifting column (4) through a bearing, and one end of the rotating shaft (11) extends outward and is fixedly connected with a second handle (12). 4.根据权利要求1所述的一种可调节支撑架,其特征在于:所述第二调节组件还包括固定连接在U型架(15)内侧壁上的转动杆(21),转动杆(21)的中部固定安装有转动块(16),转动杆(21)一端向外延伸并固定连接有第三把手(17),U型架(15)外侧壁上开设有均匀分布的定位孔(19),第三把手(17)上同样开设有定位孔(19),定位孔(19)螺纹连接螺栓(18)。4. A kind of adjustable support frame according to claim 1, it is characterized in that: described second adjusting assembly also comprises the rotating bar (21) that is fixedly connected on the inner sidewall of U-shaped frame (15), and rotating bar ( The middle part of 21) is fixedly equipped with a rotating block (16), and one end of the rotating rod (21) extends outwards and is fixedly connected with a third handle (17). On the outer wall of the U-shaped frame (15), there are evenly distributed positioning holes ( 19), the third handle (17) is also provided with a positioning hole (19), and the positioning hole (19) is threadedly connected to the bolt (18). 5.根据权利要求1所述的一种可调节支撑架,其特征在于:所述底座(1)的底端固定连接有若干个均匀分布的支腿(2)。5. The adjustable support frame according to claim 1, characterized in that: the bottom end of the base (1) is fixedly connected with several evenly distributed legs (2).
CN202223232837.8U 2022-12-02 2022-12-02 Adjustable support frame Expired - Fee Related CN218935794U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223232837.8U CN218935794U (en) 2022-12-02 2022-12-02 Adjustable support frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223232837.8U CN218935794U (en) 2022-12-02 2022-12-02 Adjustable support frame

Publications (1)

Publication Number Publication Date
CN218935794U true CN218935794U (en) 2023-04-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223232837.8U Expired - Fee Related CN218935794U (en) 2022-12-02 2022-12-02 Adjustable support frame

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Country Link
CN (1) CN218935794U (en)

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