Multi-angle adjustable rotating shaft device and display support

Abstract

The utility model belongs to the technical field of rotating shaft devices, and particularly relates to a multi-angle adjustable rotating shaft device and a display support. Comprising a first movable block and a second movable block connected with the first movable block through a damping rotating shaft, and the second movable block can rotate relative to the first movable block with the damping rotating shaft as a rotating shaft; a plurality of positioning grooves are distributed in the face, close to the first movable block, of the second movable block in the circumferential direction of the damping rotating shaft, and at least one positioning marble matched with the positioning grooves is arranged on the face, close to the second movable block, of the first movable block. And the positioning marbles sequentially fall into the positioning grooves, so that the first movable block and the second movable block are relatively fixed. The rotating shaft device not only can realize multi-angle free adjustment, but also has a reliable self-locking hovering function, is convenient to adjust and compact in structure, keeps the angle stable, slows down damping resistance attenuation, and prolongs the service life of the rotating shaft device.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of pivot device, especially relates to a pivot device of multi -angle adjustment and display support. BACKGROUND

[0002] In modern office and professional application scene, display support as the key support equipment of human-computer interaction interface, its function diversity directly influences use experience and work efficiency. The pivot mechanism of traditional display support generally exists and adjusts the precision defect of convenient operation, and the specific performance is that angle adjustment range is limited, and hovering positioning is unstable and the like problem such as adjusting process needs repeatedly locking and unlocking. This kind of mechanical structure usually adopts the design scheme of single rotating shaft cooperation friction damping, although basic angle adjustment function can be realized, but in actual application, significant limitation is exposed: when the user needs to frequently switch display angle, must pass through manual knob or lever mechanism repeatedly adjusting damping degree, can not realize multi -angle adjustment, and it is also difficult to form reliable fixation at specific angle, lead to the unintended deviation of display under the action of gravity or external force, also speed up the resistance attenuation of damping, influence service life.

[0003] This kind of technical bottleneck is particularly prominent in medical, industrial design, financial transaction and other special scenes. Taking medical monitoring system as an example, medical staff in clinical environment often need to quickly adjust the angle of display terminal according to the body position of patient, and traditional support can not meet the needs of rapid multi -directional adjustment, and it is also difficult to realize accurate positioning in the space of complex medical equipment intensive layout.

[0004] Therefore, a pivot device and display support supporting multi -angle adjustment and self -locking hovering are required. UTILITY MODEL CONTENTS

[0005] The utility model aims at the deficiency of prior art, provides a pivot device of multi -angle adjustment and display support, can realize multi -angle free adjustment, also has reliable self -locking hovering function, and adjustment is convenient, compact structure, angle keeps stable, slows down the resistance attenuation of damping, prolongs the service life of pivot device, meets the requirement of professional application scene to human engineering design.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A pivot device of multi -angle adjustment, comprising:

[0008] The first movable block and the second movable block connected with the first movable block through a damping rotating shaft, the second movable block can rotate relative to the first movable block with the damping rotating shaft as the rotating shaft; a plurality of positioning grooves are distributed on the side of the second movable block close to the first movable block along the circumference of the damping rotating shaft, and at least one positioning ball matched with the positioning grooves is arranged on the side of the first movable block close to the second movable block; when the first movable block rotates relative to the second movable block, the positioning ball will fall into the positioning groove in sequence to fix the first movable block and the second movable block relative to each other.

[0009] Further, a sunken table is arranged on the side of the first movable block close to the second movable block, a rotating shaft hole is arranged at the middle position of the sunken table, and the damping rotating shaft is arranged in the sunken table and the rotating shaft hole.

[0010] Further, the damping rotating shaft comprises a flat screw, the flat screw passes through a first fixed metal sheet, a shaft sleeve, a second fixed metal sheet and a lock nut in sequence, the first fixed metal sheet is fixed to the second movable block, the first fixed metal sheet is fixed to the sunken table, and the lock nut is located in the rotating shaft hole.

[0011] Further, the two sides of the second fixed metal sheet are tightly attached with a first flat gasket and a second flat gasket respectively, and the first flat gasket is located between the shaft sleeve and the second fixed metal sheet.

[0012] Further, two anti-skid self-locking gaskets are arranged between the second flat gasket and the lock nut.

[0013] Further, a gap is arranged on the side of the second movable block close to the first movable block, and the nut of the flat screw is located in the gap.

[0014] Further, four positioning balls are arranged on the first movable block.

[0015] Further, the second movable block comprises two movable plates arranged oppositely and symmetrically to each other, the first movable block is located between the two movable plates, and the opposite two ends of the first movable block are connected with the two movable plates through the two damping rotating shafts.

[0016] Further, a third movable block is rotatably connected to the first movable block, and the rotating shafts of the first movable block and the third movable block are perpendicular to the rotating shafts of the first movable block and the second movable block.

[0017] The utility model also provides a kind of display support, including the rotating shaft device of a kind of multi-angle adjustable of described, display fixed plate is equipped on the second movable block, and the third movable block is connected with movable support arm.

[0018] The utility model discloses the beneficial effect of:

[0019] The utility model discloses a damper pivot realizes the multi -angle rotation of first movable block and second movable block, realizes accurate angle positioning and automatic hovering through the cooperation of positioning groove and positioning ball, through the installation pivot of sunken platform structure, makes compact structure and rotates stably, through the setting flat position gasket, disperses pressure and enhances the friction, promotes stability, through the setting antiskid self -locking gasket, prevents the nut loosening, through third movable block, realizes three -dimensional space multi -angle adjustment, the utility model discloses can realize multi -angle free adjustment, also has reliable self -locking hovering function, and the adjustment is convenient, and the structure is compact, and the angle keeps stable, slows down the damping resistance attenuation, prolongs the service life of pivot device, satisfies the requirement of professional application scene to the ergonomics design. BRIEF DESCRIPTION OF DRAWINGS

[0020] Attached Figure 1 It is the pivot device structure schematic diagram of the utility model;

[0021] Attached Figure 2 It is the explosion structure schematic diagram of pivot device of the utility model;

[0022] Attached Figure 3 It is the structure schematic diagram of first movable block of the utility model;

[0023] Attached Figure 4 It is the structure schematic diagram of movable board of the utility model;

[0024] Attached Figure 5 It is the explosion structure schematic diagram of damper pivot of the utility model;

[0025] Attached Figure 6 It is the sectional view of pivot device of the utility model;

[0026] Attached Figure 7 It is the structure schematic diagram of display support of the utility model;

[0027] Marked in the drawing: 1-first movable block, 110-positioning ball, 120-sunken platform, 130-pivot hole;2-second movable block, 210-positioning groove, 220-give way slot, 230-movable board;3-damper pivot, 310-flat position screw, 311-nut, 320-first fixed sheet metal, 330-shaft sleeve, 340-second fixed sheet metal, 350-lock nut, 360-first flat position gasket, 370-second flat position gasket, 380-antiskid self -locking gasket;4-third movable block;5-display fixed plate;6-movable support arm. DETAILED DESCRIPTION

[0028] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0029] In the description of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0030] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0031] In the embodiments of the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] Referring to the drawings Figure 1 to the drawings Figure 4 , a specific embodiment of a multi-angle adjustable rotating shaft device and a display support provided by the present application is shown.

[0033] Referring to the drawings Figure 1 , the multi-angle adjustable rotating shaft device comprises:

[0034] The first movable block 1 and the second movable block 2 connected with the first movable block 1 through the damping rotating shaft 3, the second movable block 2 can rotate relative to the first movable block 1 with the damping rotating shaft 3 as the rotating shaft; the second movable block 2 is provided with a plurality of positioning grooves 210 on the side close to the first movable block 1 along the circumference of the damping rotating shaft 3, and the side close to the second movable block 2 of the first movable block 1 is provided with at least one positioning ball 110 matched with the positioning grooves 210, when the first movable block 1 rotates relative to the second movable block 2, the positioning ball 110 will fall into the positioning grooves 210 in sequence to fix the first movable block 1 and the second movable block 2 relative to each other.

[0035] In the above embodiment, the contact surface of the first movable block 1 and the second movable block 2 is circular, the damping rotating shaft 3 provides basic damping function for the first movable block 1 and the second movable block 2, and through the positioning grooves 210 distributed along the circumference of the damping rotating shaft 3 arranged on the second movable block 2 and the positioning ball 110 matched therewith arranged on the first movable block 1, the segmental angular positioning function of the first movable block 1 and the second movable block 2 in the rotating process is realized, so that the display device can be accurately hovered at the preset angle, the cumbersome operation of manually locking the traditional rotating shaft is avoided, the damping resistance attenuation is slowed down, and the service life of the rotating shaft device is prolonged.

[0036] In the above embodiment, the side close to the second movable block 2 of the first movable block 1 is provided with a sunken platform 120, the sunken platform 120 is provided with a rotating shaft hole 130 at the middle position, and the damping rotating shaft 3 is installed in the sunken platform 120 and the rotating shaft hole 130. In the embodiment, the positioning ball 110 is installed at the outer edge of the sunken platform 120, through the sunken platform 120 structure arranged on the first movable block 1 and the rotating shaft hole 130 opened, the embedded installation of the damping rotating shaft 3 is realized, so that the overall structure of the rotating shaft device is more compact. In some embodiments, the side wall of the sunken platform 120 can also form radial limiting for each part of the damping rotating shaft 3, so as to improve the rotation stability.

[0037] In the above embodiment, the damping shaft 3 includes a flat screw 310, which passes sequentially through a first fixed sheet metal 320, a bushing 330, a second fixed sheet metal 340, and a lock nut 350. The first fixed sheet metal 320 is fixed to the second movable block 2 and into the recessed platform 120. The lock nut 350 is located in the shaft hole 130. A first flat washer 360 and a second flat washer 370 are respectively attached to both sides of the second fixed sheet metal 340. The first flat washer 360 is located between the bushing 330 and the second fixed sheet metal 340. In this embodiment, the shape of the central hole of the first fixed sheet metal 320 is the same as that of the flat screw 310, while the central holes of the second fixed sheet metal 340 and the bushing 330 are circular, thereby enabling relative rotation between the first fixed sheet metal 320 and the second fixed sheet metal 340. By adding a first flat washer 360 and a second flat washer 370 to both sides of the second fixed sheet metal 340, friction is enhanced, enabling the rotating shaft assembly to maintain stable damping characteristics under alternating loads. This also reduces wear caused by direct contact between metal parts, ensuring reliable damping force for the relative rotation of the first movable block 1 and the second movable block 2. In this embodiment, two anti-slip self-locking washers 380 are also provided between the second flat washer 370 and the anti-loosening nut 350 to prevent damping failure caused by nut loosening.

[0038] In the above embodiment, the second movable block 2 is also provided with a relief groove 220 on the side near the first movable block 1, and the nut 311 of the flat screw 310 is located in the relief groove 220 to ensure that the first fixed sheet metal 320 can be stably installed on the second movable block 2.

[0039] In the above embodiment, the first movable block 1 is provided with four positioning beads 110. In this embodiment, the four positioning beads 110 are evenly distributed, which further improves the stability when hovering and avoids unexpected deflection caused by gravity.

[0040] In the above embodiment, the second movable block 2 includes two movable plates 230 that are arranged opposite to each other and symmetrically. The first movable block 1 is located between the two movable plates 230, and both ends of the first movable block 1 are connected to the two movable plates 230 through two damping shafts 3. In the embodiment, the shaft hole 130 of the first movable block 1 extends through the entire first movable block 1, and the two movable plates 230 are correspondingly installed at the opposite ends of the shaft hole 130 and connected through two damping shafts 3, so as to achieve bidirectional force balance and torque sharing, improve the load-bearing capacity of the device, and extend its service life.

[0041] In the above embodiment, the third movable block 4 is rotatably connected to the first movable block 1, and the rotation axis of the first movable block 1 and the third movable block 4 is perpendicular to the rotation axis of the first movable block 1 and the second movable block 2. In the embodiment, the first movable block 1, the second movable block 2 and the third movable block 4 cooperate with each other to have a three-dimensional space multi-angle adjustment function.

[0042] The embodiment also provides a display support, which comprises the multi-angle adjustable rotating shaft device, the second movable block 2 is provided with a display fixing plate 5, and the third movable block 4 is connected with a movable support arm 6. In the embodiment, the display fixing plate 5 is used for fixing a display, and the display fixing plate 5 and the second movable block 2 are in a detachable structure, so that different display fixing plates 5 can be replaced according to different displays, and the movable support arm 6 is used for being connected to other rotating shaft devices and finally fixed to a table top or a wall, so that the display can be freely adjusted and reliably positioned in suspension in multiple dimensions and angles such as pitching, horizontal rotation and horizontal-vertical screen switching, and an operator can complete angle adjustment with one hand without additional locking operation, thereby significantly improving the work efficiency of the operator.

[0043] In summary, the embodiment provides a multi-angle adjustable rotating shaft device and a display support, the multi-angle rotation of the first movable block 1 and the second movable block 2 is realized through the damping rotating shaft 3, the precise angle positioning and automatic suspension are realized through the cooperation of the positioning groove 210 and the positioning ball 110, the structure is compact and the rotation is stable through the installation of the sunken table 120 structure, the stability is improved through the dispersion of pressure and the enhancement of friction through the setting of the flat gasket, the nut loosening is prevented through the setting of the anti-slip self-locking gasket 380, the three-dimensional space multi-angle adjustment is realized through the third movable block 4, the embodiment can realize multi-angle free adjustment and has reliable self-locking suspension function, is convenient to adjust, has compact structure, stable angle, slows down the damping resistance attenuation, prolongs the service life of the rotating shaft device and meets the requirements of the ergonomics design of the professional application scene.

[0044] The above-described embodiment is only one of the more preferred specific modes of the present application, and the usual changes and replacements made by the technicians in the technical field within the scope of the technical scheme of the present application should be included in the protection scope of the present application.

Claims

1. A rotating shaft device adjustable at multiple angles, characterized in that, include: The first movable block (1) and the second movable block (2) connected to the first movable block (1) via a damping shaft (3) are connected. The second movable block (2) can rotate relative to the first movable block (1) with the damping shaft (3) as the rotation axis. The second movable block (2) has a plurality of positioning grooves (210) distributed around the damping shaft (3) on the side close to the first movable block (1). The first movable block (1) is provided with at least one positioning ball (110) that cooperates with the positioning groove (210) on the side close to the second movable block (2). When the first movable block (1) rotates relative to the second movable block (2), the positioning ball (110) will fall into the positioning groove (210) in sequence to fix the first movable block (1) and the second movable block (2) relative to each other.

2. The multi-angle adjustable rotating shaft device according to claim 1, characterized in that, The first movable block (1) has a recessed platform (120) on one side near the second movable block (2), and a pivot hole (130) is provided in the middle of the recessed platform (120). The damping pivot (3) is installed in the recessed platform (120) and the pivot hole (130).

3. The multi-angle adjustable rotating shaft device according to claim 2, characterized in that, The damping shaft (3) includes a flat screw (310), which passes through a first fixed sheet metal (320), a bushing (330), a second fixed sheet metal (340), and a lock nut (350) in sequence. The first fixed sheet metal (320) is fixed to the second movable block (2) and the first fixed sheet metal (320) is fixed inside the countersunk platform (120). The lock nut (350) is located in the shaft hole (130).

4. The multi-angle adjustable rotating shaft device according to claim 3, characterized in that, The second fixed sheet metal (340) has a first flat gasket (360) and a second flat gasket (370) attached to its two sides respectively. The first flat gasket (360) is located between the bushing (330) and the second fixed sheet metal (340).

5. The multi-angle adjustable rotating shaft device according to claim 4, characterized in that, Two anti-slip self-locking washers (380) are also provided between the second flat washer (370) and the anti-loosening nut (350).

6. The multi-angle adjustable rotating shaft device according to claim 3, characterized in that, The second movable block (2) is also provided with a relief groove (220) on the side near the first movable block (1), and the nut (311) of the flat screw (310) is located in the relief groove (220).

7. The multi-angle adjustable rotating shaft device according to claim 1, characterized in that, The first movable block (1) is provided with 4 positioning marbles (110).

8. A multi-angle adjustable rotating shaft device according to any one of claims 1-7, characterized in that, The second movable block (2) includes two movable plates (230) that are arranged opposite to each other and symmetrical to each other. The first movable block (1) is located between the two movable plates (230). The two opposite ends of the first movable block (1) are connected to the two movable plates (230) through the two damping shafts (3).

9. The multi-angle adjustable rotating shaft device according to claim 8, characterized in that, A third movable block (4) is rotatably connected to the first movable block (1), and the rotation axes of the first movable block (1) and the third movable block (4) are perpendicular to the rotation axes of the first movable block (1) and the second movable block (2).

10. A monitor stand, characterized in that, The device includes a multi-angle adjustable rotating shaft as described in claim 9, wherein the second movable block (2) is provided with a display fixing plate (5), and the third movable block (4) is connected to a movable support arm (6).

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