Display stretching support with variable lifting torsion

Abstract

The utility model discloses a display stretching support with variable lifting torsion, which comprises a first connecting plate, a first support plate rotationally connected with the first connecting plate, a second support plate rotationally connected with the first support plate, a third support plate rotationally connected with the second support plate and a second connecting plate rotationally connected with the third support plate, the third support plate is rotationally connected with the second support plate through a torsion adjusting mechanism, the torsion adjusting mechanism comprises a torsion adjusting assembly arranged on the second support plate, and the torsion adjusting assembly comprises a flange plate which is arranged in the second support plate and is in clearance fit with the second support plate; the elastic roller pins are arranged between the flange plate and the second support plate, a plurality of containing spaces which are arranged at intervals in the circumferential direction and used for containing the elastic roller pins are arranged between the flange plate and the second support plate, and the containing spaces are gradually shrunk in the descending direction of the second support plate. The stretching support is simple in structure and convenient to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of display brackets, in particular to a display stretching bracket with variable lifting torque. Background Art

[0002] With the development of science and technology and the advent of electronic information technology, there is a demand for electronic operation screens in daily life, office, production workshop and other occasions. In order to operate portable, people need to conveniently stretch the display screen and adjust it to any position up and down, and at the same time, it needs to fit well on the wall or work surface when not in use. At present, the brackets with these functions in the market are generally floor brackets, which need to set up a lifting mechanism, have a complex and bulky structure, and are inconvenient to operate. Utility Model Content

[0003] In order to solve the above problems, the utility model aims to provide a display stretching bracket with variable lifting torque, which can realize the lifting, stretching and folding of the display according to needs and has a simple structure.

[0004] Based on the above problems, the technical solution provided by the utility model is:

[0005] A display stretching bracket with variable lifting torque, comprising:

[0006] A first connecting plate, which is fixedly connected to the display;

[0007] A first bracket plate, which is rotatably connected to the first connecting plate via a first rotating shaft;

[0008] A second bracket plate, which is rotatably connected to the first bracket plate via a friction rotation mechanism;

[0009] a third bracket plate, which is rotatably connected to the second bracket plate via a torque adjustment mechanism, the torque adjustment mechanism comprising a torque adjustment assembly arranged on the second bracket plate, the torque adjustment assembly comprising a flange plate disposed in the second bracket plate and gap-matched with the second bracket plate, and a plurality of elastic needle rollers disposed between the flange plate and the second bracket plate, a plurality of accommodating spaces arranged at intervals along the circumferential direction for the plurality of elastic needle rollers to be placed are provided between the flange plate and the second bracket plate, the accommodating spaces are gradually contracted along the descending direction of the second bracket plate, and the elastic needle rollers abut between the flange plate and the second bracket plate;

[0010] The second connecting plate is rotatably connected to the third bracket plate via a second rotating shaft and is fixedly connected to the supporting member.

[0011] In some embodiments, the torque adjustment mechanism also includes a first rivet, a first spring plate, a first friction plate and a second friction plate mounted on the first rivet, the first spring plate, the first friction plate, the flange, the second friction plate and the third bracket plate are arranged in sequence along the axial direction of the first rivet, the first friction plate, the second friction plate and the third bracket plate are fixed relative to the first rivet, and the first spring plate, the second bracket plate and the flange are rotatable relative to the first rivet.

[0012] In some of the embodiments, the torque adjustment mechanism further includes an annular flange connecting plate detachably connected to the flange, the elastic needle roller includes an elastic member and a needle roller, and the flange connecting plate confines the elastic member and the needle roller within the accommodating space.

[0013] In some of the embodiments, a third friction plate is provided on the flange, and the third friction plate extends to the second friction plate through a groove on the flange, and a friction adjusting member arranged corresponding to the third friction plate is provided on the flange connecting plate, and the friction adjusting member is threadedly connected to the flange connecting plate, and the friction between the third friction plate and the second friction plate is adjusted by adjusting the relative position of the friction adjusting member and the third friction plate.

[0014] In some embodiments, the third friction plate includes a first friction portion and a second friction portion connected in a T-shape, the flange is provided with a limiting groove matching the first friction portion, and the through groove matches the second friction portion.

[0015] In some embodiments, the first rivet member includes a first flat pin shaft, the first flat pin shaft includes two first arc-shaped surfaces and two first flat surfaces, the first friction plate, the second friction plate, and the third bracket plate are provided with a first flat hole matching the first flat pin shaft, and the first spring plate and the second bracket plate are provided with a first circular hole matching the first flat pin shaft.

[0016] In some embodiments, the friction rotation mechanism includes a second riveted part, and a second spring plate, a fourth friction plate, a fifth friction plate, a sixth friction plate and a gasket mounted on the second riveted part, the second spring plate, the first bracket plate, the fourth friction plate, the fifth friction plate, the second bracket plate, the sixth friction plate and the gasket are arranged in sequence along the axial direction of the second riveted part, the first bracket plate and the fourth friction plate are fixed in position relative to the second riveted part, and the second spring plate, the second bracket plate, the fifth friction plate, the sixth friction plate and the gasket are rotatable relative to the second riveted part.

[0017] In some of the embodiments, a plurality of first limiting claws are provided on the fourth friction plate along the circumferential direction, and a plurality of first limiting grooves matching the plurality of first limiting claws are provided on the first bracket plate.

[0018] In some of the embodiments, the fifth friction plate is provided with a plurality of second limiting claws along the circumferential direction, the sixth friction plate is provided with a plurality of third limiting claws along the circumferential direction, and the second bracket plate is provided with a plurality of second limiting grooves matching the plurality of second limiting claws and a plurality of third limiting grooves matching the plurality of third limiting claws.

[0019] In some embodiments, the second rivet includes a second flat pin, the second flat pin includes two second arc-shaped surfaces and two second flat surfaces, the first bracket plate and the fourth friction plate are provided with a second flat hole matching the second flat pin, and the second spring plate, the second bracket plate, the fifth friction plate, the sixth friction plate, and the gasket are provided with a second circular hole matching the second flat pin.

[0020] Compared with the prior art, the advantages of the utility model are:

[0021] 1. The second bracket plate is rotated around the third bracket plate to adjust the height of the display at will. The first bracket plate is rotated and folded around the first connecting plate, and the third bracket plate is rotated and folded around the second connecting plate to fold the display and fit it on a support (such as a wall), which is easy to operate.

[0022] 2. The setting of the torque adjustment mechanism can balance the gravity of the monitor when it is lowered, so that it can stop at any position. When the monitor is raised, there is no torque applied, so the monitor can be easily raised, making the lifting and lowering operation of the monitor stable and fast;

[0023] 3. A third friction plate is provided on the flange, and a friction adjusting member corresponding to the third friction plate is provided. The friction between the second friction plate and the third friction plate can be adjusted as needed to adjust the overall torque of the flange and meet the torque adjustment needs of different gravity displays. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. The drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 It is a structural schematic diagram of an embodiment of a display stretching bracket with variable lifting torque of the utility model;

[0026] Figure 2 It is a schematic cross-sectional structure diagram of the torque rotation mechanism in the embodiment of the utility model;

[0027] Figure 3 This is a schematic diagram of the disassembled structure of the torque rotation mechanism in the embodiment of the utility model;

[0028] Figure 4 This is a schematic diagram of the structure of the third friction plate in the embodiment of the utility model;

[0029] Figure 5 This is a working state diagram of the display in the embodiment of the utility model when it is lowered;

[0030] Figure 6 This is a working state diagram of the display when it rises in the embodiment of the utility model;

[0031] Figure 7 This is a structural schematic diagram of the friction rotation structure in the embodiment of the utility model;

[0032] Figure 8 A schematic diagram of a folded state of an embodiment of the utility model;

[0033] in:

[0034] 1. A first connecting plate;

[0035] 2. The first bracket plate;

[0036] 3. Second bracket plate; 3-1. Accommodating groove;

[0037] 4. The third bracket plate;

[0038] 5. Second connecting plate;

[0039] 6. The first rotation axis;

[0040] 7. Torque adjustment mechanism; 7-1. First riveted part; 7-2. First spring sheet; 7-3. First friction plate; 7-4. Flange; 7-5. Second friction plate; 7-6. Elastic member; 7-7. Needle roller; 7-8. Third friction plate; 7-8a. First friction part; 7-8b. Second friction part; 7-9. Flange connecting plate; 7-10. Friction adjustment member;

[0041] 8. Friction rotating mechanism; 8-1. Second riveted part; 8-2. Second spring piece; 8-3. Fourth friction plate; 8-4. Fifth friction plate; 8-5. Sixth friction plate; 8-6. Gasket;

[0042] 9. Second rotation axis;

[0043] 10. Display. DETAILED DESCRIPTION

[0044] The above scheme is further described below in conjunction with specific examples. It should be understood that these examples are used to illustrate the utility model and are not limited to the scope of the utility model. The implementation conditions used in the examples can be further adjusted according to the conditions of the specific manufacturer, and the implementation conditions not specified are usually the conditions in conventional experiments.

[0045] like Figure 1 As shown, the utility model provides a display stretching bracket with variable lifting torque, including a first connecting plate 1 fixedly connected to the display 10, a first bracket plate 2 rotatably connected to the first connecting plate 1, a second bracket plate 3 rotatably connected to the first bracket plate 2, a third bracket plate 4 rotatably connected to the second bracket plate 3, and a second connecting plate 5 rotatably connected to the third bracket plate 4, and the second connecting plate 5 is fixedly connected to a support member (such as a wall). The second bracket plate 3 can be rotated in a vertical direction relative to the first bracket plate 2 and the third bracket plate 4 to adjust the height of the display 10. The first bracket plate 2 can be rotated in a horizontal direction relative to the first connecting plate 1, and the third bracket plate 4 can be rotated in a horizontal direction relative to the second connecting plate 5, so that the display 10 can be folded and attached to the support member (such as a wall). Figure 8 As shown), the display 10 can be stored.

[0046] The first connecting plate 1 is fixedly connected to the display 10 via screws, the first bracket plate 2 is rotationally connected to the first connecting plate 1 via the first rotating shaft 6, a first rotating shaft seat matching the first rotating shaft 6 is provided at the end of the first connecting plate 1 away from the display 10, and a first shaft sleeve matching the first rotating shaft 6 is provided on the first bracket plate 2. The second bracket plate 3 is rotationally connected to the first bracket plate 2 via the friction rotating mechanism 8, and the third bracket plate 4 is rotationally connected to the second bracket plate 3 via the torque adjusting mechanism 7. The second connecting plate 5 is rotationally connected to the third bracket plate 4 via the second rotating shaft 9. In this example, two second connecting plates 5 arranged up and down are provided, a second rotating shaft seat matching the second rotating shaft 9 is provided on the second connecting plate 5, and a second shaft sleeve matching the second rotating shaft 9 is provided on the second connecting plate 5.

[0047] like Figure 2 and Figure 3 As shown, the torque adjustment mechanism 7 includes a torque adjustment component arranged on the second bracket plate 3, the torque adjustment component includes a flange 7-4 placed in the second bracket plate 3 and clearance-matched with the second bracket plate 3, and a plurality of elastic rollers arranged between the flange 7-4 and the second bracket plate 3, a receiving groove 3-1 for the flange 7-4 to be placed is provided on the second bracket plate 3, and a plurality of receiving spaces arranged at intervals along the circumferential direction for the plurality of elastic rollers to be placed are provided between the flange 7-4 and the inner wall of the receiving groove 3-1, and the receiving space is gradually contracted along the descending direction of the second bracket plate 3 (such as Figure 5As shown in FIG. 1 , the elastic needle roller abuts between the flange 7-4 and the second bracket plate 3. The elastic needle roller includes an elastic member 7-6 and a needle roller 7-7, and the two ends of the elastic member 7-6 abut against the flange 7-4 and the needle roller 7-7, respectively. The needle roller 7-7 is arranged close to the contraction end of the accommodating space.

[0048] In order to realize the rotational connection between the second bracket plate 3 and the third bracket plate 4, the torque adjustment mechanism 7 also includes a first rivet 7-1, a first spring plate 7-2, a first friction plate 7-3 and a second friction plate 7-5 which are sleeved on the first rivet 7-1. The first spring plate 7-2, the first friction plate 7-3, the flange 7-4, the second friction plate 7-5 and the third bracket plate 4 are arranged in sequence along the axial direction of the first rivet 7-1, wherein the first friction plate 7-3, the second friction plate 7-5 and the third bracket plate 4 are fixed relative to the first rivet 7-1, and the first spring plate 7-2, the second bracket plate 3 and the flange 7-4 are rotatable relative to the first rivet 7-1.

[0049] Specifically, the first rivet 7-1 includes a first flat pin, which includes two first arc-shaped surfaces and two first flat surfaces. A first flat hole matching the first flat pin is provided on the first friction plate 7-3, the second friction plate 7-5 and the second bracket plate 3 to restrict the first friction plate 7-3, the second friction plate 7-5 and the second bracket plate 3 on the first flat pin. A first circular hole matching the first flat pin is provided on the first spring plate 7-2 and the flange 7-4, so that the second bracket plate 3 and the flange 7-4 can rotate around the first flat pin.

[0050] In order to improve the stability of the structure, the torque adjustment structure 7 also includes an annular flange connecting plate 7-9 which is detachably connected to the flange 7-4. The flange connecting plate 7-9 is fixed to the end of the flange 7-4 away from the second bracket plate 3 by screws, and cooperates with the second friction plate 7-5 to confine the elastic member 7-6 and the needle roller 7-7 within the accommodating space.

[0051] In order to facilitate the adjustment of the torque of the flange 7-4 according to the gravity of the display 10, a third friction plate 7-8 is provided on the flange 7-4, and the third friction plate 7-8 extends to the second friction plate 7-5 through the through groove on the flange 7-4. A friction adjusting member 7-10 corresponding to the third friction plate 7-8 is provided on the flange connecting plate 7-9. The friction adjusting member 7-10 is threadedly connected to the flange connecting plate 7-9. By adjusting the position of the friction adjusting member 7-10 on the flange connecting plate 7-9, the relative position between the friction adjusting member 7-10 and the third friction plate 7-8 is adjusted, thereby adjusting the friction between the third friction plate 7-8 and the second friction plate 7-5, and then adjusting the torque of the flange 7-4. When the torque of the flange 7-4 needs to be increased, the friction adjusting member 7-10 is moved closer to the third friction plate 7-8; when the torque of the flange 7-4 needs to be reduced, the friction adjusting member 7-10 is moved away from the third friction plate 7-8.

[0052] like Figure 4 As shown, the third friction plate 7-8 includes a first friction portion 7-8a and a second friction portion 7-8b connected in a T-shape, a limiting groove matching the first friction portion 7-8a is provided on the flange 7-4, and the through groove on the flange 7-4 matches the second friction portion 7-8b. By adjusting the position between the friction adjusting member 7-10 and the first friction portion 7-8a, the distance between the second friction portion 7-8b and the second friction plate 7-5 can be adjusted, thereby adjusting the friction force.

[0053] like Figure 7 As shown, the friction rotating mechanism 8 includes a second riveted component 8-1, and a second elastic plate 8-2, a fourth friction plate 8-3, a fifth friction plate 8-4, a sixth friction plate 8-5 and a gasket 8-6 which are sleeved on the second riveted component 8-1. The second elastic plate 8-2, the first bracket plate 2, the fourth friction plate 8-3, the fifth friction plate 8-4, the second bracket plate 3, the sixth friction plate 8-5 and the gasket 8-6 are arranged in sequence along the axial direction of the second riveted component 8-1, wherein the first bracket plate 2 and the fourth friction plate 8-3 are fixed in position relative to the second riveted component 8-1, and the second elastic plate 8-2, the second bracket plate 3, the fifth friction plate 8-4, the sixth friction plate 8-5 and the gasket 8-6 are rotatable relative to the second riveted component 8-1.

[0054] Specifically, the second rivet 8-1 includes a second flat pin, which includes two second arc-shaped surfaces and two second flat surfaces. A second flat hole matching the second flat pin is provided on the first bracket plate 2 and the fourth friction plate 8-3 to restrict the first bracket plate 2 and the fourth friction plate 8-3 on the second flat pin; a second circular hole matching the second flat pin is provided on the second spring plate 8-2, the second bracket plate 3, the fifth friction plate 8-4, the sixth friction plate 8-5 and the gasket 8-6 to allow the second bracket plate 3 to rotate relative to the second flat pin.

[0055] In order to further optimize the implementation effect of the utility model, a plurality of first limiting claws are provided on the fourth friction plate 8-3 along the circumferential direction, and a plurality of first limiting grooves matching the plurality of first limiting claws are provided on the first bracket plate 2 to limit the fourth friction plate 8-3 on the first bracket plate 2.

[0056] A plurality of second limiting claws are provided on the fifth friction plate 8-4 along the circumferential direction, a plurality of third limiting claws are provided on the sixth friction plate 8-5 along the circumferential direction, and a plurality of second limiting grooves matching the plurality of second limiting claws and a plurality of third limiting grooves matching the plurality of third limiting claws are provided on the second bracket plate 3 to limit the fifth friction plate 84 and the sixth friction plate 85 on the second bracket plate 3.

[0057] The working principle of the utility model is:

[0058] When the display 10 needs to be lowered, as Figure 5 As shown, the second bracket plate 3 rotates clockwise downward, and the needle roller 7-7 rubs against the inner wall of the accommodating groove 3-1 of the second bracket plate 3 under the elastic force of the elastic member 7-6 and rotates clockwise. The needle roller 7-7 moves in the direction of the smaller gap in the accommodating space, and is stuck, so that the second bracket plate 3 drives the flange 7-4 to move together. The flange 7-4 can be rotated after setting a certain torque, so that the second bracket plate 3 has a certain torque when rotating downward to balance the gravity of the display 10, ensuring that the display 10 will not fall and can stop at any position. At the same time, the other end of the second bracket plate 3 rotates around the first bracket plate 2 to adjust the angle of the display 10 to keep it vertical.

[0059] When the display 10 needs to be raised, Figure 6 As shown, the second bracket plate 3 rotates counterclockwise upwards, and the needle roller 7-7 rubs against the inner wall of the accommodating groove 3-1 of the second bracket plate 3 under the elastic force of the elastic member 7-6 and rotates counterclockwise. The needle roller 7-7 moves along the direction of the larger gap in the accommodating space. At this time, there is a gap between the second bracket plate 3, the flange 7-4, and the needle roller 7-7. The second bracket plate 3 moves independently without torque, so that the display 10 rises. When stopping, due to the influence of gravity, the second bracket plate 3 has a tendency to rotate clockwise downwards, so that the second bracket plate 3 has a certain torque to balance the gravity of the display 10 to ensure that the display 10 will not fall. It can stop at any position. At the same time, the other end of the second bracket plate 3 rotates around the first bracket plate 2 to adjust the angle of the display 10 to keep it vertical.

[0060] In summary, the stretch bracket can realize the lifting and folding of the display, can adjust the torque according to the gravity of the display, and has a simple structure and is easy to operate.

[0061] The above examples are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A display stretching bracket with variable lifting torque, characterized in that: include: A first connecting plate, which is fixedly connected to the display; A first bracket plate, which is rotatably connected to the first connecting plate via a first rotating shaft; A second bracket plate, which is rotatably connected to the first bracket plate via a friction rotation mechanism; a third bracket plate, which is rotatably connected to the second bracket plate via a torque adjustment mechanism, the torque adjustment mechanism comprising a torque adjustment assembly arranged on the second bracket plate, the torque adjustment assembly comprising a flange plate disposed in the second bracket plate and gap-matched with the second bracket plate, and a plurality of elastic needle rollers disposed between the flange plate and the second bracket plate, a plurality of accommodating spaces arranged at intervals along the circumferential direction for the plurality of elastic needle rollers to be placed are provided between the flange plate and the second bracket plate, the accommodating spaces are gradually contracted along the descending direction of the second bracket plate, and the elastic needle rollers abut between the flange plate and the second bracket plate; The second connecting plate is rotatably connected to the third bracket plate via a second rotating shaft and is fixedly connected to the supporting member.

2. The display stretching bracket with variable lifting torque according to claim 1, characterized in that: The torque adjustment mechanism also includes a first rivet, a first spring plate, a first friction plate and a second friction plate sleeved on the first rivet. The first spring plate, the first friction plate, the flange, the second friction plate and the third bracket plate are arranged in sequence along the axial direction of the first rivet; the first friction plate, the second friction plate and the third bracket plate are fixed relative to the first rivet, and the first spring plate, the second bracket plate and the flange are rotatable relative to the first rivet.

3. The display stretching bracket with variable lifting torque according to claim 2, characterized in that: The torque adjustment mechanism also includes an annular flange connecting plate detachably connected to the flange, the elastic needle roller includes an elastic member and a needle roller, and the flange connecting plate confines the elastic member and the needle roller within the accommodating space.

4. The display stretching bracket with variable lifting torque according to claim 3 is characterized in that: The flange is provided with a third friction plate, and the third friction plate extends to the second friction plate through a groove on the flange. The flange connecting plate is provided with a friction adjusting member arranged corresponding to the third friction plate, and the friction adjusting member is threadedly connected to the flange connecting plate. The friction between the third friction plate and the second friction plate can be adjusted by adjusting the relative position of the friction adjusting member and the third friction plate.

5. The display stretching bracket with variable lifting torque according to claim 4 is characterized in that: The third friction plate includes a first friction portion and a second friction portion connected in a T-shape, a limiting groove matching the first friction portion is provided on the flange, and the through groove matches the second friction portion.

6. The display stretching bracket with variable lifting torque according to claim 2, characterized in that: The first rivet part includes a first flat pin shaft, which includes two first arc-shaped surfaces and two first flat surfaces. The first friction plate, the second friction plate and the third bracket plate are provided with a first flat hole matching the first flat pin shaft. The first spring sheet and the flange plate are provided with a first circular hole matching the first flat pin shaft.

7. The display stretching bracket with variable lifting torque according to claim 1, characterized in that: The friction rotation mechanism includes a second riveted part, and a second elastic sheet, a fourth friction sheet, a fifth friction sheet, a sixth friction sheet and a gasket which are sleeved on the second riveted part. The second elastic sheet, the first bracket plate, the fourth friction sheet, the fifth friction sheet, the second bracket plate, the sixth friction sheet and the gasket are arranged in sequence along the axial direction of the second riveted part. The first bracket plate and the fourth friction sheet are fixed in position relative to the second riveted part, and the second elastic sheet, the second bracket plate, the fifth friction sheet, the sixth friction sheet and the gasket are rotatable relative to the second riveted part.

8. The display stretching bracket with variable lifting torque according to claim 7, characterized in that: The fourth friction plate is provided with a plurality of first limiting claws along the circumferential direction, and the first bracket plate is provided with a plurality of first limiting grooves matching with the plurality of first limiting claws.

9. The display stretching bracket with variable lifting torque according to claim 8, characterized in that: The fifth friction plate is provided with a plurality of second limiting claws along the circumferential direction, the sixth friction plate is provided with a plurality of third limiting claws along the circumferential direction, and the second bracket plate is provided with a plurality of second limiting grooves matching the plurality of second limiting claws and a plurality of third limiting grooves matching the plurality of third limiting claws.

10. The display stretching bracket with variable lifting torque according to claim 7, characterized in that: The second rivet part includes a second flat pin shaft, which includes two second arc-shaped surfaces and two second flat surfaces. The first bracket plate and the fourth friction plate are provided with a second flat hole matching the second flat pin shaft. The second spring plate, the second bracket plate, the fifth friction plate, the sixth friction plate and the gasket are provided with a second circular hole matching the second flat pin shaft.

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