CN216813698U

CN216813698U - Dynamic balance mechanical spring type display support cantilever system

Info

Publication number: CN216813698U
Application number: CN202220382725.1U
Authority: CN
Inventors: 于杰
Original assignee: Beijing Yuemi Technology Co ltd
Current assignee: Beijing Yuemi Technology Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-06-24
Anticipated expiration: 2032-02-24

Abstract

The utility model relates to the field of display supports and discloses a dynamic balance mechanical spring type display support cantilever system which comprises a cantilever assembly, a spring assembly and a support assembly; the cantilever assembly comprises an upper arm, a lower arm positioned below the upper arm, and a first side arm and a second side arm which are respectively hinged to two sides of the upper arm and the lower arm through rotating shafts, and the upper arm, the lower arm, the first side arm and the second side arm are matched to form a parallelogram structure; the spring assembly comprises a rotating rod hinged to the second side arm, a threaded rod is movably connected to the rotating rod in a penetrating mode, a connecting frame is connected to one end of the threaded rod in a penetrating mode, and a spring fixedly connected with the first side arm is connected to one end, far away from the threaded rod, of the connecting frame. The movement of the threaded rod drives the included angle between the spring and the lower arm to change, so that the length of the force arm of the rotating and hinging position of the tension of the spring and the parallelogram structure under different angles is changed, and compared with a damping scheme, the damping mechanism has longer service life and more stable structure.

Description

Dynamic balance mechanical spring type display support cantilever system

Technical Field

The utility model belongs to the field of display supports, and particularly relates to a dynamic balance mechanical spring type display support cantilever system.

Background

The display bracket mainly comprises a cantilever which can be freely extended as the name suggests, and is not limited like an arm, and the display bracket is made of aluminum alloy or carbon steel, is fixed by diagonal stable buckles, is provided with a protective device on four sides of a diagonal clamp, is provided with the protective device on a part contacting with a computer to protect the computer, and can directly rotate without opening a clamp.

The scheme of the mechanical spring of the existing display support is that when a cantilever swings up and down, the cantilever force arm of the display and the stretching amount of the spring are synchronously changed, so that the generated moment is different, the requirement of the constant force support of the display support can not be met simply by the spring, and the suspension of different positions of a display can be realized by other technical means such as auxiliary damping generally.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems proposed in the background art, the present invention provides a dynamically balanced mechanical spring type display stand cantilever system, comprising: a cantilever assembly, a spring assembly and a bracket assembly; the cantilever assembly comprises an upper arm, a lower arm positioned below the upper arm, and a first side arm and a second side arm which are respectively hinged to two sides of the upper arm and the lower arm through rotating shafts, and the upper arm, the lower arm, the first side arm and the second side arm are matched to form a parallelogram structure; the spring assembly comprises a rotating rod hinged to the second side arm, a threaded rod is movably connected to the rotating rod in a penetrating mode, a connecting frame is connected to one end of the threaded rod in a penetrating mode through threads, a spring fixedly connected with the first side arm is connected to one end, far away from the threaded rod, of the connecting frame, the other end of the threaded rod is fixedly connected with a rotating handle, and a limiting ring located between the rotating handle and the rotating rod is movably sleeved on the outer peripheral side of the threaded rod; the bracket component comprises a support arm connected to the bottom ends of the two side arms through a rotating shaft.

Furthermore, the bottom end of the support arm is fixedly connected with a base, and a clamping mechanism used for being clamped with the desktop is arranged at the bottom end of the base.

Further, fixture includes fixed connection in the base bottom and with base vertically connecting plate, the inboard fixedly connected with L-shaped metal sheet of connecting plate, the screw thread through connection has the adjust knob who is located vertical direction on the diaphragm of metal sheet.

Furthermore, the top end of the adjusting knob is fixedly connected with a soft pad located below the base, and the soft pad is a rubber pad or a silica gel pad.

Furthermore, a bearing is installed at the top end of the support arm, the outer ring of the bearing is fixedly connected with the support arm, and the inner ring of the bearing is rotatably connected with the rotating shaft at the bottom ends of the side arms.

Further, the front side and the rear side of the lower arm are fixedly connected with fan-shaped frames at positions close to the side arms II, arc-shaped grooves are formed in each fan-shaped frame in a penetrating mode, and two ends of each rotating rod are located in the corresponding arc-shaped grooves respectively.

Furthermore, one end, far away from the upper arm, of the first side arm is hinged to a first rotating head capable of horizontally rotating through a rotating shaft, and one end, far away from the first side arm, of the first rotating head is fixedly connected with an installation frame used for installing a display.

Furthermore, one end, far away from the side arm one, of the rotating head I is hinged with a rotating head II capable of rotating up and down through a rotating shaft, and one end, far away from the rotating head I, of the rotating head II is fixed with the mounting frame.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the movement of the threaded rod drives the included angle between the spring and the lower arm to change, so that the length of the force arm of the spring at the position of the rotating hinge of the parallelogram structure under different angles is changed, and the product of the tension of the spring and the force arm is always equal to the product of the gravity of the display and the torque of the display according to the mechanical principle, thereby realizing that the display keeps a suspension state at different positions.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic diagram of the spring assembly of the present invention;

FIG. 4 is a schematic view of the vertical bore configuration of the present invention;

in the figure: 1. an upper arm; 2. a lower arm; 3. a side arm I; 4. a side arm II; 5. a rotating rod; 6. a spring; 7. a connecting frame; 8. a threaded rod; 9. a limiting ring; 10. turning a handle; 11. a support arm; 12. a base; 13. a clamping mechanism; 1301. a connecting plate; 1302. a metal plate; 1303. adjusting a knob; 1304. a soft cushion; 14. a fan-shaped frame; 15. an arc-shaped slot; 16. rotating the first head; 17. rotating the second head; 18. and (7) mounting frames.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the idle place of the device, all the electric devices and the matched drivers thereof are arranged, and all the driving parts in the above-mentioned devices, which refer to the power element, the electric devices and the adaptive power supply, are connected through the conducting wires by those skilled in the art, and specific connection means should be referred to in the following description, wherein the electric connection is completed in sequence among the electric devices, and the detailed connection means thereof are well known in the art.

The dynamic balance mechanical spring type display bracket cantilever system provided by the embodiment, as shown in fig. 1, fig. 2 and fig. 3, comprises a cantilever assembly, a spring assembly and a bracket assembly, wherein:

the cantilever assembly comprises an upper arm 1, a lower arm 2 positioned below the upper arm 1, and a side arm I3 and a side arm II 4 which are respectively hinged on two sides of the upper arm 1 and the lower arm 2 through rotating shafts, wherein the upper arm 1, the lower arm 2, the side arm I3 and the side arm II 4 are matched to form a cantilever with a parallelogram structure;

the spring assembly comprises a rotating rod 5 hinged to a side arm II 4, a threaded rod 8 is movably connected to the rotating rod 5 in a penetrating mode, a connecting frame 7 is connected to one end of the threaded rod 8 in a penetrating mode through threads, a spring 6 fixedly connected with the side arm I3 is connected to one end, far away from the threaded rod 8, of the connecting frame 7, a rotating handle 10 is fixedly connected to the other end of the threaded rod 8, a limiting ring 9 located between the rotating handle 10 and the rotating rod 5 is movably sleeved on the outer peripheral side of the threaded rod 8, due to the fact that the limiting ring 9 blocks the connecting frame 9, when the threaded rod 8 is rotated, the spring 6 is pulled through the connecting frame 7 equivalently, the spring 6 is connected with the side arm II 3 in the parallelogram structure, supporting force can be adjusted through the adjusting spring 6, displays with different weights can be adapted, and the displays can be kept in a suspended state at different positions;

the bracket component comprises a support arm 11 connected with the bottom end of the side arm two 4 through a rotating shaft, and the support arm 11 is used for supporting the whole device.

In addition to the above:

firstly, as shown in fig. 1, a base 12 is fixedly connected to the bottom end of the support arm 11, a clamping mechanism 13 for engaging with a table top is disposed at the bottom end of the base 12, as shown in fig. 2, the clamping mechanism 13 includes a connecting plate 1301 fixedly connected to the bottom end of the base 12 and perpendicular to the base 12, an L-shaped metal plate 1302 is fixedly connected to the inner side of the connecting plate 1301, an adjusting knob 1303 located in the vertical direction is connected to a transverse plate of the metal plate 1302 in a penetrating manner by a screw thread, so that the whole device can be fixed on the table top by rotating the adjusting knob 1303, and as shown in fig. 2, a soft pad 1304 located below the base 12 is further fixedly connected to the top end of the adjusting knob 1303, the soft pad 1304 is a rubber pad or a silica gel pad, and the soft pad 1304 is used for preventing the top end 1303 of the table top from damaging the bottom end of the table top.

Secondly, a bearing is installed at the top end of the support arm 11, the outer ring of the bearing is fixedly connected with the support arm 11, and the inner ring of the bearing is rotatably connected with the rotating shaft at the bottom end of the side arm II 4, so that the cantilever can rotate in situ and cannot fall off.

Thirdly, as shown in fig. 1, in order to enhance the stability of the cantilever of the parallelogram structure, the front and rear sides of the lower arm 2 are fixedly connected with the fan-shaped frames 14 at the positions close to the side arms two 4, each fan-shaped frame 14 is provided with an arc-shaped groove 15 in a penetrating manner, the arc-shaped grooves 15 are bent upwards in a whole, and the two ends of the rotating rod 5 are respectively located in the corresponding arc-shaped grooves 15, in addition, the rotating rod 5 is a vertical hole formed on the side arms two 4 due to the hinging, so that the rotating rod 5 can be driven by the movement of the arc-shaped grooves 15 to move up and down in the grooves in the side arms two 4 to play a role in adjusting the size of the force arm, and the pattern of the vertical hole is shown as a point K in fig. 4.

Fourthly, as shown in fig. 1, one end of the side arm one 3, which is far away from the upper arm 1, is hinged with a first rotating head 16 which can horizontally rotate through a rotating shaft, one end of the first rotating head 16, which is far away from the side arm 3, is hinged with a second rotating head 17 which can vertically rotate through a rotating shaft, one end of the second rotating head 17, which is far away from the first rotating head 16, is fixedly connected with an installation frame 18, and a damping gasket which is used for avoiding the hanging of the display to lower the head is installed in the second rotating head 17, so that the installed display can freely rotate, and can be adjusted up and down and also can be horizontally adjusted.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dynamically balanced mechanical spring type display stand cantilever system, comprising: a cantilever assembly, a spring assembly and a bracket assembly;

the cantilever assembly comprises an upper arm (1), a lower arm (2) positioned below the upper arm (1), and a first side arm (3) and a second side arm (4) which are respectively hinged to the upper arm (1) and the lower arm (2) through rotating shafts, wherein the upper arm (1), the lower arm (2), the first side arm (3) and the second side arm (4) are matched to form a parallelogram structure;

the spring assembly comprises a rotating rod (5) hinged to the second side arm (4), a threaded rod (8) is movably connected to the rotating rod (5) in a penetrating mode, a connecting frame (7) is connected to one end of the threaded rod (8) in a penetrating mode through threads, a spring (6) fixedly connected with the first side arm (3) is connected to one end, far away from the threaded rod (8), of the connecting frame (7), a rotating handle (10) is fixedly connected to the other end of the threaded rod (8), and a limiting ring (9) located between the rotating handle (10) and the rotating rod (5) is movably sleeved on the outer peripheral side of the threaded rod (8);

the bracket component comprises a supporting arm (11) connected to the bottom end of the side arm II (4) through a rotating shaft.

2. The dynamically balanced mechanical spring loaded display stand cantilever system of claim 1, wherein: the bottom end of the support arm (11) is fixedly connected with a base (12), and a clamping mechanism (13) used for being clamped with a desktop is arranged at the bottom end of the base (12).

3. The dynamically balanced mechanical spring loaded display stand cantilever system of claim 2, wherein: the clamping mechanism (13) comprises a connecting plate (1301) which is fixedly connected to the bottom end of the base (12) and perpendicular to the base (12), an L-shaped metal plate (1302) is fixedly connected to the inner side of the connecting plate (1301), and an adjusting knob (1303) located in the vertical direction is in threaded through connection with a transverse plate of the metal plate (1302).

4. The dynamically balanced mechanical spring loaded display stand cantilever system of claim 3, wherein: the top end of the adjusting knob (1303) is fixedly connected with a soft pad (1304) located below the base (12), and the soft pad (1304) is a rubber pad or a silica gel pad.

5. The dynamically balanced mechanical spring loaded display stand cantilever system of claim 1, wherein: the bearing is installed on the top end of the support arm (11), the outer ring of the bearing is fixedly connected with the support arm (11), and the inner ring of the bearing is rotatably connected with the rotating shaft at the bottom end of the side arm II (4).

6. The dynamically balanced mechanical spring loaded display stand cantilever system of claim 1, wherein: the front side and the rear side of the lower arm (2) are fixedly connected with fan-shaped frames (14) at positions close to the side arms II (4), each fan-shaped frame (14) is provided with an arc-shaped groove (15) in a penetrating mode, the arc-shaped grooves (15) are bent upwards in an overall mode, and two ends of the rotating rod (5) are located in the corresponding arc-shaped grooves (15) respectively.

7. The dynamically balanced mechanical spring loaded display stand cantilever system of claim 1, wherein: one end of the side arm I (3) far away from the upper arm (1) is hinged with a first rotating head (16) capable of horizontally rotating through a rotating shaft, and one end of the first rotating head (16) far away from the side arm I (3) is fixedly connected with an installation frame (18) used for installing a display.

8. The dynamically balanced mechanical spring display stand cantilever system of claim 7, wherein: one end of the first rotating head (16), which is far away from the first side arm (3), is hinged with a second rotating head (17) which can rotate up and down through a rotating shaft, and one end of the second rotating head (17), which is far away from the first rotating head (16), is fixed with the mounting frame (18).