CN211667471U - Display screen support frame - Google Patents
Display screen support frame Download PDFInfo
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- CN211667471U CN211667471U CN201921743418.6U CN201921743418U CN211667471U CN 211667471 U CN211667471 U CN 211667471U CN 201921743418 U CN201921743418 U CN 201921743418U CN 211667471 U CN211667471 U CN 211667471U
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- screen
- connecting seat
- bracket
- swinging
- center
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Abstract
The utility model provides a display screen support frame, which comprises a support, a screen connecting seat and an air spring; the screen connecting seat is rotatably pivoted on the bracket and is used for connecting a display; after the display screen is arranged on the screen connecting seat, the gravity center of the resultant gravity of the display screen and the screen connecting seat is deviated from the screen rotating center of the screen connecting seat; the two ends of the gas spring comprise a moving end and a swinging end, and the moving end is movably arranged on the bracket; the swinging end is pivotally connected to the screen connecting seat in a swinging manner. The utility model provides a display screen support frame, simple structure compares with wrap spring such as constant force spring, the utility model discloses the structure can be done thinner to life is longer, and the number of times of relapse tensile is more than 50% than wrap spring.
Description
Technical Field
The utility model belongs to the technical field of the display screen supports technique and specifically relates to a display screen support frame is related to.
Background
In the projection plane of perpendicular to screen connecting seat rotation axis (in the projection plane that is on a parallel with the screen connecting seat promptly), the focus of present rotation type display screen support frame display screen sets up outside the rotation center of screen connecting seat usually, and on the screen connecting seat can set up the support with swinging, be provided with coil spring between screen connecting seat and the support for the gravity of balanced display screen, its has following problem: because of the linear variable force characteristic of the spiral spring, the moment generated by the spiral spring changes at any time along with the swinging and the rotation of the screen connecting seat, the moment formed by the spiral spring fluctuates in a certain range above and below the equilibrium gravity moment, the errors of the two cannot be eliminated, and the complete equilibrium of the gravity moment cannot be realized. The user feels worse when rotating.
In addition, some of the prior art adopts a plurality of gears, even non-circular gears and cams, and has the disadvantages of complex structure, more parts, high precision requirement, high processing complexity requirement and low rigidity. The prior art can only swing within the range of 90 degrees due to the structural limitation, can not realize the swing of 90 degrees of 180 degrees or more, and is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a display screen support frame to solve foretell at least one technical problem who exists among the prior art.
In order to solve the technical problem, the utility model provides a pair of display screen support frame, include: the bracket, the screen connecting seat and the gas spring are arranged;
the screen connecting seat can be pivoted on the bracket in a manner of rotating around a screen rotating center and is used for connecting a display;
after the display screen is arranged on the screen connecting seat, in a projection plane vertical to the rotation axis of the screen connecting seat, the integral gravity center of the display screen and the screen connecting seat (namely the gravity center of the screen connecting seat and the display screen as a whole) is deviated from the screen rotation center (namely the pin joint center of the screen connecting seat);
the two ends of the gas spring comprise a moving end and a swinging end, and the moving end is movably arranged on the bracket; the swinging end can be pivoted on the screen connecting seat around a swinging center in a swinging manner;
in the swinging process of the screen connecting seat, the screen moment of the synthetic gravity on the screen rotating center is continuously changed; the movable end of the gas spring moves along with the swinging of the screen connecting seat, the gas spring stretches, and the spring force of the gas spring changes the spring moment at the screen rotating center so as to dynamically balance the screen moment.
The utility model discloses simple structure, at the display screen pendulum commentaries on classics in-process, the produced screen moment of synthetic gravity changes thereupon, and the spring moment synchronous change that the air spring produced, and with screen moment size match, opposite direction to make great screen more nimble at the pendulum in-process of changeing, it is not hard moreover, promote the rotation that just can realize the screen gently, the screen can be along with stopping at the pendulum in-process moreover, has improved user experience greatly.
Compare with wrap spring such as constant force spring, the utility model discloses the structure can be done thinner (wrap spring's coiling end thickness is great, leads to its structure relatively thick) to life is longer, and the number of times of relapse extension is more than 50% than wrap spring.
It should be noted that the gas spring is maintained in a substantially vertical position during the swinging of the display screen, wherein the moving end is translated along the rail and the swinging end is rotated relative to the screen rotation center.
Furthermore, the swinging end is positioned on a swinging center (or called spring pivoting center) on the screen connecting seat, the integral gravity center and the screen rotating center are positioned on the same straight line.
Further, in a projection plane perpendicular to the rotation axis of the screen connecting seat, the center of gravity of the screen connecting seat coincides with the screen rotation center; the gravity center of the display screen deviates from the screen rotation center, and the screen moment is the moment of the display screen at the screen rotation center due to the synthetic gravity.
Further, the gas spring device further comprises a moving member movably arranged on the support and a rail arranged on the support, wherein the moving end of the gas spring is connected to the moving member, and the moving member is movably arranged on the rail. Namely, the movable end is movably (in a rolling mode or a sliding mode) connected to the bracket through a movable piece.
Further, the device also comprises a slide rail, wherein the slide rail comprises a movable rail serving as the moving part, a fixed rail serving as the track and a ball; the movable end of the gas spring is connected to the movable rail, and the fixed rail is fixedly arranged on the bracket; and a ball is arranged between the movable rail and the fixed rail, and the movable rail is arranged on the fixed rail in a rolling and moving way through the ball.
Further, the moving member is movably disposed on the rail through a rolling bearing; or, the moving member is a sliding block arranged on the track in a sliding manner.
The moving member passes through antifriction bearing and sets up on the track, can effectively reduce the frictional resistance of moving member to can realize that the air spring removes the end and removes along with the pendulum of screen connecting seat changes fast, realize the balance of spring moment and screen moment fast (realize that the resultant moment of two moments is zero promptly).
And when the moving member adopted the slider form, because the existence of frictional damping power, spring force and frictional damping power mutually supported can realize that the display screen is more stable after the location, is difficult to receive external force to disturb and random pendulum commentaries on classics, and then avoids influencing the person of looking and watches the screen.
Wherein preferably, the rail is linear and horizontally disposed.
Of course, the track may also be in the form of an arc or curve for increasing the resistance or urging force of the moving end of the gas spring during sliding.
Furthermore, the air spring device further comprises a swinging piece, the swinging piece can be pivoted on the screen connecting seat around the swinging center in a rotating mode, the swinging end of the air spring is connected to the swinging piece, and the swinging piece is rotatably connected to the screen connecting seat.
Furthermore, the swinging end of the gas spring is arranged on one side of the integral gravity center with the screen rotation center as a boundary, and when the gas spring is a tension type gas spring, the moving end is arranged above the swinging end; when the gas spring is a pressure type gas spring, the moving end is arranged below the swinging end;
or the swinging end of the air spring is arranged on the opposite side of the whole gravity center with the screen rotation center as a boundary, when the air spring is a tension type air spring, the moving end is arranged below the swinging end, and when the air spring is a pressure type air spring, the moving end is arranged above the swinging end.
Further, a damping member (e.g., a POM friction member) is disposed between the screen attachment base and the bracket, the damping member tending to prevent the screen attachment base from swinging relative to the bracket.
Furthermore, a limiting structure (such as a limiting boss, a positioning pin and a positioning hole which are matched with each other) for limiting the rotation angle of the screen connecting seat is arranged between the screen connecting seat and the support. Preferably, a limit structure is respectively arranged at the middle 0 degree position and the left and right 90 degrees positions.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:
the utility model provides a display screen support frame simple structure swings the in-process at the display screen, and the produced screen moment of synthetic gravity changes thereupon, and the spring moment synchronous change that the air spring produced, and is equivalent to screen moment size, opposite direction to make great screen more nimble at the pendulum in-process of changeing, it is not hard moreover, promote the rotation that just can realize the screen gently, the screen can be along with stopping at the pendulum in-process moreover, user experience has been improved greatly.
Compare with wrap spring such as constant force spring, the utility model discloses the structure can be done thinner (wrap spring's coiling end thickness is great, leads to its structure relatively thick) to life is longer, and the number of times of relapse extension is more than 50% than wrap spring.
Additionally, the utility model discloses well screen connecting seat can realize two-way 90 pendulum changes, at 9 points to 15 at least 180 pendulum rotation within range internal rotations of point promptly, and simple structure is suitable for volume production and popularization and application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments or the description in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a display screen support frame provided in embodiment 1 of the present invention;
fig. 2 is a partially enlarged view of the supporting frame a of the display screen shown in fig. 1.
Reference numerals:
1-a display; O1-Screen center of rotation; o2-overall center of gravity; o3-center of yaw; g-synthetic gravity; 10-a scaffold; 11-a track; 12-a moving member; 12 a-a rolling bearing; 20-screen connection base; 21-a swinging piece; 30-a gas spring; 31-mobile end; 32-swing end.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be further explained with reference to specific embodiments.
As shown in fig. 1, the present embodiment provides a display screen support frame, including: a bracket 10, a screen connecting seat 20 and a gas spring 30 of a tension type.
The screen connecting base 20 is rotatably pivoted (or called as pivoted) on the bracket 10 and is used for connecting the display 1; when the display panel 1 is mounted on the panel coupling holder 20, the overall gravity center O2 of the combined gravity G of the display panel 1 and the panel coupling holder 20 (i.e., the gravity center of the panel coupling holder 20 and the display panel 1 as a whole) is set to be deviated from the panel rotation center O1 of the panel coupling holder 20.
The two ends of the gas spring 30 comprise a moving end 31 and a swinging end 32, and the moving end 31 is movably arranged on the bracket 10; the swing end 32 is swingably pivoted to the screen attachment base 20.
In the swinging process of the screen connecting seat 20, the screen moment acted on the screen rotation center O1 by the synthetic gravity G is continuously changed; the moving end of the gas spring 30 slides along with the swinging of the screen connecting seat 20, and the spring force F of the gas spring 30 acting on the screen rotating center O1 changes synchronously along with the expansion and contraction of the gas spring, so that the screen torque is dynamically balanced, namely the spring torque is kept to be equal to the screen torque at the moment of swinging and rotating, and the directions are opposite.
In the above technical solution, it is more preferable that the swing center O3 of the swing end 32 on the screen connecting seat 20, the overall center O2 and the screen rotation center O1 of the screen connecting seat are located on the same straight line.
The present embodiment further includes a moving member 12 movably disposed on the support 10, a rail 11 horizontally disposed on the support 10, a moving end 31 of the gas spring 30 is connected to the moving member 12, and the moving member 12 is movably disposed on the rail 11. That is, the moving end 31 is slidably coupled to the stand 10 by the moving member 12. Wherein, more preferably, removal end 31 can articulate on the moving member, and the articulated shaft is perpendicular to display screen plane, and in the removal end following the display screen pendulum commentaries on classics in-process, the relative rotation takes place for removal end and moving member to make the removal of moving member more smooth and easy.
In the above technical solution, the moving end can slide in the form of a slide rail, and the slide rail includes a moving rail as the moving member 12, a fixed rail as the rail 11, and balls; the movable end 31 of the gas spring 30 is connected to the movable rail, and the fixed rail is fixedly arranged on the bracket 10; and a ball is arranged between the movable rail and the fixed rail.
Alternatively, in the above-described technical solution, as shown in fig. 2, the moving member 12 may be movably provided on the rail 11 by a rolling member such as a rolling bearing 12 a. Moving member 12 passes through antifriction bearing setting on track 11, and then effectively reduces moving member 12's frictional resistance to can realize that the gas spring 30 removes end 31 and slides along with the pendulum of screen connecting seat 20 changes fast, realize the balance of spring moment and screen moment fast (realize that the resultant moment of two moments is zero promptly).
Alternatively, the moving member 12 is a slider slidably disposed on the rail 11. When moving member 12 adopts the slider form, because the existence of frictional damping power, spring force and frictional damping power mutually support, can realize that display screen 1 is more stable after the location, be difficult to receive external force to disturb and swing at will, and then avoid influencing the viewer and watch the screen. In the same way, when the moving member 12 is arranged on the rail 11 by adopting the rolling balls and the rolling bearings, the surface of the rail 11 can be arranged in a zigzag manner, or the rail 11 is provided with a plurality of grooves at intervals on the ground for realizing the temporary locking of the moving member 12 and further realizing the stability of the display screen 1.
Wherein the rail 11 is preferably rectilinear and arranged horizontally.
The present embodiment further includes a swing member 21 rotatably pivoted on the screen connecting seat 20, and a swing end 32 of the gas spring 30 is connected to the swing member 21, thereby being rotatably connected to the screen connecting seat 20 through the swing member 21. The pivot end 32 of the gas spring 30 is disposed on the side of the overall center of gravity O2 of the screen rotation center O1, and the moving end 31 is disposed above the pivot end 32.
In addition, the screen connecting seat 20 is a circular disk body, and an outer ring mounting structure (such as an annular groove, an annular mounting table and the like) matched with the outer diameter of the circular disk body is arranged on the support 10; preferably, rolling members (such as balls, bearings or rollers, etc.) are disposed between the circular disc body and the outer ring mounting structure, and the screen connecting seat 20 is rotatably disposed on the outer ring mounting structure through the rolling members.
And a limiting structure (e.g., a limiting boss, a positioning pin and a positioning hole which are matched with each other) for limiting the rotation angle of the screen connecting seat 20 is arranged between the screen connecting seat 20 and the bracket 10.
The utility model discloses simple structure, the utility model discloses simple structure at the display screen pendulum commentaries on classics in-process, the produced screen moment of synthetic gravity changes thereupon, and the spring moment synchronous change that the air spring produced, and just match with screen moment size, opposite direction to make great screen change the in-process more in a flexible way at the pendulum, moreover hard, promote gently and just can realize the rotation of screen, the screen can be along with stopping at the pendulum commentaries on classics in-process moreover, has improved user experience greatly.
Compare with wrap spring such as constant force spring, the utility model discloses the structure can be done thinner (wrap spring's coiling end thickness is great, leads to its structure relatively thick) to life is longer, and the number of times of relapse extension is more than 50% than wrap spring.
Additionally, the utility model discloses well screen connecting seat 20 can realize two-way 90 pendulum and change, and prior art can only the folk prescription because of structural constraint pendulum changes 90, can not reverse two-way pendulum about 90 promptly. And the structure is simple, and the method is suitable for mass production and popularization and application.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. A display screen support frame, comprising: the bracket, the screen connecting seat and the gas spring are arranged;
the screen connecting seat can be pivoted on the bracket in a manner of rotating around a screen rotating center and is used for connecting a display;
after the display screen is arranged on the screen connecting seat, the integral gravity center of the display screen and the screen connecting seat is deviated from the screen rotating center in a projection plane vertical to the rotating axis of the screen connecting seat;
the two ends of the gas spring comprise a moving end and a swinging end, and the moving end is movably arranged on the bracket; the swinging end can be pivoted on the screen connecting seat around a swinging center in a swinging manner;
in the swinging process of the screen connecting seat, the screen moment of the synthetic gravity on the screen rotating center is continuously changed; the movable end of the gas spring moves along with the swinging of the screen connecting seat, the gas spring stretches, and the spring force of the gas spring changes the spring moment at the rotating center of the screen so as to dynamically balance the screen moment;
and a limiting structure used for limiting the rotation angle of the screen connecting seat is arranged between the screen connecting seat and the bracket.
2. The display screen support bracket of claim 1, wherein the pivot center, the overall center of gravity and the screen rotation center of the pivot end on the screen connecting seat are located on the same line.
3. The display screen support bracket of claim 1, further comprising a moving member movably disposed on the bracket, a track disposed on the bracket, the moving end of the gas spring being connected to the moving member, the moving member being movably disposed on the track.
4. The display screen support frame of claim 3, further comprising a slide rail, the slide rail comprising a moving rail as the moving member, a fixed rail as the track, and a ball; the movable end of the gas spring is connected to the movable rail, and the fixed rail is fixedly arranged on the bracket; and a ball is arranged between the movable rail and the fixed rail, and the movable rail is arranged on the fixed rail in a rolling and moving way through the ball.
5. The display screen support stand of claim 3, wherein the moving member is rollably movably disposed on the rail through a rolling bearing;
or, the moving member is a sliding block arranged on the track in a sliding manner.
6. The display screen support stand of claim 3, wherein the rail is linear and horizontally disposed.
7. The display screen support bracket of claim 1, further comprising a swing member pivotally coupled to the screen attachment base about the swing center, the swing end of the gas spring being coupled to the swing member and rotatably coupled to the screen attachment base via the swing member.
8. The display screen support bracket of claim 1, wherein the swing end of the gas spring is disposed on one side of the overall center of gravity bounded by the screen rotation center, and the moving end is disposed above the swing end when the gas spring is a tension-type gas spring; when the gas spring is a pressure type gas spring, the moving end is arranged below the swinging end;
or the swinging end of the air spring is arranged on the opposite side of the whole gravity center with the screen rotation center as a boundary, when the air spring is a tension type air spring, the moving end is arranged below the swinging end, and when the air spring is a pressure type air spring, the moving end is arranged above the swinging end.
9. The display screen support bracket of claim 1, wherein a damping member is disposed between the screen attachment seat and the bracket, the damping member tending to resist the screen attachment seat from swinging relative to the bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921743418.6U CN211667471U (en) | 2019-10-17 | 2019-10-17 | Display screen support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921743418.6U CN211667471U (en) | 2019-10-17 | 2019-10-17 | Display screen support frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211667471U true CN211667471U (en) | 2020-10-13 |
Family
ID=72730928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921743418.6U Active CN211667471U (en) | 2019-10-17 | 2019-10-17 | Display screen support frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211667471U (en) |
-
2019
- 2019-10-17 CN CN201921743418.6U patent/CN211667471U/en active Active
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