CN107504338B - Rotatable lifting support for display - Google Patents
Rotatable lifting support for display Download PDFInfo
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- CN107504338B CN107504338B CN201710681497.1A CN201710681497A CN107504338B CN 107504338 B CN107504338 B CN 107504338B CN 201710681497 A CN201710681497 A CN 201710681497A CN 107504338 B CN107504338 B CN 107504338B
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- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a rotatable lifting bracket of a display, which comprises: the lifting type rotary bearing device comprises a base, lifting stand columns and a rotary bearing device, wherein the rotary bearing device comprises a cross rod and at least one rotary seat, and each rotary seat is provided with a section of arc-shaped rotary wall sleeved on the cross rod; the transverse rod is connected with a base which is matched with the rotating seat and the outer circumferential wall of which is arc-shaped, and the inner wall of the arc-shaped rotating wall is rotatably connected with the outer circumferential wall of the base; the rotating seat further comprises a friction component for providing friction force when the rotating seat rotates relative to the cross rod; the rotary bearing device also comprises a locking mechanism for controlling the rotary seat to be in a locking state or a releasing state, the rotary seat can rotate around the cross rod in the releasing state, and the rotary seat and the cross rod are locked in the circumferential direction in the locking state. The rotatable lifting support of the display enables the display to not only lift up and down, but also adjust the rotation angle, and is simple to operate, and the display hovers at any angle.
Description
Technical Field
The invention relates to the technical field of display supports, in particular to a rotatable lifting support for a display.
Background
The display, especially the large-screen display, namely the display screen has relatively large diagonal line size, can be applied to different occasions according to the needs, the display is generally fixedly arranged on the floor stand, and the display and the floor stand can not rotate by an angle, so that people standing at different angles can not conveniently watch; in order to facilitate the watching of people standing at different angles, the display of the large-screen display bracket in the prior art is positioned by the rotation of the positioning piece and the plurality of positioning holes on the bracket, so that the display can be adjusted to rotate by a certain angle or a plurality of angles, and the watching personnel can watch the display at different angles, but the rotation angle of the display of the large-screen display bracket with the structure is single, so that the watching at any angle is inconvenient for the observer; in addition, the display is positioned through the rotation of the rotating piece and the positioning hole, and the weight of the large-screen display is heavy, so that the operation is troublesome when the display is rotated, the stability of the display after positioning is poor, and shaking is easy to generate.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the rotatable lifting support for the display, which enables the display to not only lift up and down, but also adjust the rotation angle, is simple to operate, and enables the display to hover at any angle.
The technical scheme of the invention is that a rotatable lifting bracket of a display is provided, which has the following structure: the device comprises a base, a lifting upright post and a rotary bearing device, wherein the rotary bearing device comprises a cross rod connected with the upright post and at least one rotary seat connected with a display, and each rotary seat is provided with a section of arc-shaped rotary wall sleeved on the cross rod; the transverse rod is connected with a base which is matched with the rotating seat and the outer circumferential wall of which is arc-shaped, and the radian of the outer circumferential wall of the base is consistent with that of the inner wall of the arc-shaped rotating wall; the inner wall of the circular arc-shaped rotating wall is rotatably connected with the outer circumferential wall of the base; the rotating seat also comprises a friction component arranged on the circular arc-shaped rotating wall and the base, and the friction component is used for providing friction force when the rotating seat rotates relative to the cross rod; the rotary bearing device also comprises a locking mechanism, wherein the locking mechanism is used for controlling the rotary seat to be in a locking state or a release state, the rotary seat can rotate around the cross rod in the release state, and the rotary seat and the cross rod are locked in the circumferential direction in the locking state.
After adopting above structure, the rotatable lifting support of the display has the following advantages compared with the prior art: the rotating bearing device of the rotatable lifting bracket of the display can change the height position of the display along with the lifting of the upright post, the rotating seat connected with the display can rotate along the transverse rod on the upright post, when the rotating seat rotates, the inner wall of the circular arc-shaped rotating wall of the rotating seat is in rotating fit with the circular arc-shaped outer side wall of the base, so that the rotating seat rotates smoothly and stably, the rotating seat also comprises a friction component arranged on the circular arc-shaped rotating wall and the base, the friction component is used for providing friction force when the rotating seat rotates relative to the transverse rod, the setting of the friction component enables the rotating stability of the rotating seat to be high, in addition, the locking mechanism is used for controlling the rotating seat to be in a locking state or a releasing state, the rotating seat can rotate around the transverse rod under the releasing state, and the rotating seat is locked with the transverse rod in the circumferential direction under the locking state. The locking mechanism can change the rotation angle of the rotating seat relative to the cross rod, so that a display connected with the rotating seat can randomly adjust the relative rotation angle on the cross rod by the locking mechanism, thereby facilitating people standing at different positions to watch the display; the rotatable lifting support of the display enables the display to hover at any angle of the cross rod, and is simple and convenient to operate.
As an improvement, the friction assembly is characterized in that an arc-shaped friction block is arranged on the outer side of the arc-shaped rotating wall of the rotating seat, the friction block is fixedly connected with a base on the inner side of the rotating seat through a connecting piece, an arc-shaped guide hole extending along the rotating direction of the arc-shaped rotating wall of the rotating seat is formed in the arc-shaped rotating wall of the rotating seat, and the connecting piece is in clearance fit in the arc-shaped guide hole; the radian of the inner wall of the friction block is consistent with that of the outer side wall of the circular arc-shaped rotating wall, and the inner wall of the friction block is clung to the outer side wall of the circular arc-shaped rotating wall. The friction block is arranged, so that the arc-shaped rotating wall of the rotating seat obtains certain friction force when rotating along the cross rod, and the display is stable and good in safety when rotating at a rotating angle; in addition, the friction block is fixedly connected with the base through a connecting piece, an arc-shaped guide hole extending along the rotation direction of the connecting piece is formed in the arc-shaped rotating wall of the rotating seat, and the connecting piece is in clearance fit in the arc-shaped guide hole, so that the arc-shaped rotating wall of the rotating seat cannot deviate left and right when rotating around the base on the cross rod, and the rotating seat can rotate more stably.
Preferably, the number of the rotating seats is two, the two rotating seats are respectively arranged on two sides of the cross bar, and the two rotating seats are respectively connected with the back surface of the display. The setting of these two rotation seats makes the angular adjustment of display more stable.
Preferably, the locking mechanism comprises at least one fixed friction plate and at least one movable friction plate, wherein the fixed friction plate is fixedly connected with the outer side wall of the cross rod, and the movable friction plate is fixedly connected with the rotating seat; the locking mechanism also comprises a limiting assembly and a driving assembly which are connected to the cross rod, wherein the limiting assembly is used for limiting the relative rotation of the fixed friction plate and the movable friction plate, and the driving assembly is used for canceling or releasing the limit of the limiting assembly on the relative rotation of the fixed friction plate and the movable friction plate. The locking mechanism limits the relative rotation between the fixed friction plate and the movable friction plate through the limiting component, and the rotating seat is fixed on the cross rod through the friction force of contact between the fixed friction plate and the movable friction plate; in addition, when people adjust the angle of the display, the limit component cancels or removes the limit of the limit component on the relative rotation of the fixed friction plate and the movable friction plate, so that the angle of the display can be conveniently adjusted.
Preferably, the fixed friction plates and the movable friction plates are multiple, and the fixed friction plates and the movable friction plates are arranged in a staggered and laminated mode; the fixed friction plates are fixedly connected with the base which is connected to the cross rod, and the movable friction plates are fixedly connected with the rotating seat. The staggered lamination of the fixed friction plates and the movable friction plates ensures that the rotation of the rotating seat is more stable, and the positioning of the rotating seat is firmer and more stable.
Preferably, the limiting component comprises a support, an elastic piece and a pin shaft, wherein the support, the elastic piece and the pin shaft are connected to the outer end of the base, a through hole penetrating through two end faces of the fixed friction plate is formed in the fixed friction plate, the pin shaft is in clearance fit in the through hole, one end of the pin shaft is provided with a radial boss with the outer diameter larger than the inner diameter of the through hole, and the other end of the pin shaft penetrates through a sliding hole in the support; the movable friction plate is provided with an arc-shaped hole arranged along the rotation direction of the rotating seat, and the pin shaft is in clearance fit in the arc-shaped hole; the elastic piece is sleeved on the pin shaft in the sliding hole, the radial boss of the pin shaft is enabled to be always propped against the fixed friction plate or the movable friction plate, and the fixed friction plate and the movable friction plate are kept tightly attached. The radial boss of the pin shaft is always propped against the fixed friction plate or the movable friction plate under the elasticity of the elastic piece, and the fixed friction plate and the movable friction plate are kept tightly attached, so that the fixed friction plate and the movable friction plate are kept locked due to the pressure exerted by the radial boss of the pin shaft; in addition, the pin shaft is in clearance fit in the arc-shaped hole on the movable friction plate, and the pin shaft and the arc-shaped hole are in fit to play a role in rotation guiding, so that the rotation of the rotating seat is more stable.
Preferably, a step is arranged on the inner wall of the sliding hole of the support, one end of the pin shaft positioned in the sliding hole is connected with a limiting block, one end of the elastic piece abuts against the step on the inner wall of the sliding hole, and the other end of the elastic piece abuts against the inner end face of the limiting block.
Preferably, the driving assembly comprises a spanner rotatably connected to the support, and a pressing plate for pushing the pin shaft is arranged on the spanner; when the spanner is in a pressed state, the pressing plate overcomes the elasticity of the elastic piece and pushes the pin shaft, so that the radial boss of the pin shaft is separated from the friction plate or the movable friction plate, and the fixed friction plate and the movable friction plate keep a relative free rotation state. When the rotation angle of the display is adjusted, the wrench is manually pulled, and the pressing plate of the wrench overcomes the elasticity of the elastic piece and pushes the pin shaft, so that the radial boss of the pin shaft is separated from the friction plate or the movable friction plate, and the fixed friction plate and the movable friction plate are kept in a relatively free rotation state, and the display can be manually pulled to adjust the angle of the display; after the angle of the display is adjusted, the spanner is loosened, and the pin shaft is under the elasticity of the elastic piece, so that the radial boss on the pin shaft is propped against the fixed friction plate or the movable friction plate, and the fixed friction plate and the movable friction plate are in a locking state.
Preferably, the upright post comprises two lower pipes which are vertically arranged and respectively connected with the base, and an upper pipe is slidably matched in each of the two lower pipes; a supporting pipe which is arranged vertically is fixedly connected in the central hole of each lower pipe, a vertically arranged ejector rod is connected in the supporting pipe in a spiral manner, and the upper end of the ejector rod is connected with the top of the upper pipe; the inside of the cross rod is rotatably connected with a transmission rod which is used for driving the ejector rods in the two upper pipes to rotate; one end of the cross rod is rotatably connected with a crank, and a rotating shaft of the crank is connected with the transmission rod. When the upright post is in lifting operation, the crank is rotated by hands, the crank drives the transmission rod to rotate, the transmission rod drives the ejector rods in the two upper pipes to rotate, and the rotating ejector rods drive the upper pipes to lift due to the fact that the ejector rods are spirally connected in the supporting pipes. The lifting structure of the upright post is various, for example, a motor is adopted to drive a transmission rod to rotate; or a controllable gas spring, rope, etc. is used to provide lifting of the column, etc.
The invention discloses a display supporting system, which comprises a display and a display rotatable lifting bracket, wherein mounting pieces are arranged at two ends of a circular arc-shaped rotating wall, and the mounting pieces enable a rotating seat to be connected with the middle part of the back surface of the display. The display of the display support system and the rotatable lifting support of the display are more convenient to connect.
Drawings
FIG. 1 is a schematic view of a rotatable lifting stand for a monitor of the present invention applied to a monitor support system.
Fig. 2 is a schematic structural view of a rotatable lifting bracket of a display according to the present invention.
Fig. 3 is a schematic diagram of a connection structure of a rotating base of a rotatable lifting bracket of a display according to the present invention.
Fig. 4 is a schematic diagram showing a connection structure of a locking mechanism of a rotatable lifting bracket of a display according to the present invention.
Fig. 5 is a schematic structural view of a locking mechanism of a rotatable lifting bracket of a display according to the present invention.
Fig. 6 is a schematic cross-sectional view of a locking mechanism of a rotatable lifting bracket of a display according to the present invention.
Fig. 7 is a schematic view showing a mounting structure of a locking mechanism of a rotatable lifting bracket of a display according to the present invention.
Fig. 8 is a schematic cross-sectional view of a stand of a rotatable lifting bracket of a display of the present invention.
As shown in the figure:
1. the device comprises a base, 2, a column, 20, a lower pipe, 21, an upper pipe, 22, a support pipe, 23, a mounting seat, 24, a push rod, 3, a rotary bearing device, 4, a display, 5, a cross rod, 6, a rotary seat, 60, a base, 61, an elastic friction pad, 62, an arc-shaped rotary wall, 63, an arc-shaped guide hole, 64, a mounting piece, 65, a friction block, 66, a connecting piece, 67, a housing, 7, a support, 70, a fixed friction piece, 71, a through hole, 72, a pin shaft, 73, a radial boss, 74, a connecting nut, 75, a sliding hole, 76, a step, 77, an elastic piece, 78, a limiting block, 79, a movable friction piece, 710, an arc-shaped hole, 8, a spanner, 80, a pressing plate, 9, a transmission rod, 10 and a crank.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific examples.
As shown in fig. 1, 2 and 3, the rotatable lifting bracket of the display comprises a base 1, a lifting upright post 2 and a rotary bearing device 3, wherein the rotary bearing device 3 comprises a cross rod 5 connected with the upright post 2 and at least one rotary seat 6 connected with the display 4, and each rotary seat 6 is provided with a section of circular arc-shaped rotary wall 62 sleeved on the cross rod 5; the cross rod 5 is connected with a base 60 which is matched with the rotating seat 6 and has an arc-shaped outer circumferential wall, and the radian of the outer circumferential wall of the base 60 is consistent with that of the inner wall of the arc-shaped rotating wall 62; the inner wall of the circular arc-shaped rotating wall 62 is rotatably connected with the outer circumferential wall of the base 60; the rotating seat 6 further comprises a friction component arranged on the arc-shaped rotating wall 62 and the base 60, and the friction component is used for providing friction force when the rotating seat 6 rotates relative to the cross rod 5; the rotary bearing device 3 further comprises a locking mechanism, wherein the locking mechanism is used for controlling the rotary seat 6 to be in a locking state or a releasing state, the rotary seat 6 can rotate around the cross rod 5 in the releasing state, and the rotary seat 6 and the cross rod 5 are locked in the circumferential direction in the locking state. The rotating bearing device of the rotatable lifting bracket of the display can change the height position of the display along with the lifting of the upright post, the rotating seat connected with the display can rotate along the transverse rod on the upright post, when the rotating seat rotates, the inner wall of the circular arc-shaped rotating wall of the rotating seat is in rotating fit with the circular arc-shaped outer side wall of the base, so that the rotating seat rotates smoothly and stably; the rotatable lifting support of the display enables the display to hover at any angle of the cross rod, and is simple and convenient to operate.
The friction assembly is that a circular arc-shaped friction block 65 is arranged on the outer side of the circular arc-shaped rotating wall 62 of the rotating seat 6, the friction block 65 is fixedly connected with the base 60 on the inner side of the rotating seat 6 through a connecting piece 66, the circular arc-shaped rotating wall 62 of the rotating seat 6 is provided with an arc-shaped guide hole 63 extending along the rotating direction, and the connecting piece 66 is in clearance fit in the arc-shaped guide hole 63; the radian of the inner wall of the friction block 65 is consistent with that of the outer side wall of the circular arc-shaped rotating wall 62, and the inner wall of the friction block 65 is tightly attached to the outer side wall of the circular arc-shaped rotating wall 62. The arc-shaped outer side wall of the base 60 is connected with two elastic friction pads 61, and the friction pads are arranged to enable the inner wall of the arc-shaped rotating wall and the outer circumferential wall of the base to rotate and simultaneously have corresponding friction force, so that the rotation stability of the rotating seat 6 is further improved; the connecting piece 66 is two pins, the axes of the two pins are on the same vertical plane, the two pins are in clearance fit in the arc-shaped guide holes 63, and the two pins pass through the friction blocks 65 and are fixedly connected with the base; the inner wall of the friction block 65 is provided with a plurality of elastic friction pads 61, and the elastic friction pads 61 provide friction force when the arc-shaped rotating wall of the rotating seat rotates; the outer side of the friction block 65 is provided with a cover 67 which is fixedly connected with the outer side wall of the rotating seat 6 and plays a role in protecting the rotating seat from rotating.
The number of the rotating seats 6 is two, the two rotating seats 6 are respectively arranged on two sides of the cross rod 5, and the two rotating seats 6 are respectively connected with the back of the display 4. The setting of these two rotation seats makes the angular adjustment of display more stable.
As shown in fig. 4, 5, 6 and 7, the locking mechanism comprises at least one fixed friction plate 70 and at least one movable friction plate 79, the fixed friction plate 70 is fixedly connected with the outer side wall of the cross bar 5, and the movable friction plate 79 is fixedly connected with the rotating seat 6; the locking mechanism further comprises a limiting assembly and a driving assembly which are connected to the cross rod 5, wherein the limiting assembly is used for limiting the relative rotation of the fixed friction plate 70 and the movable friction plate 79, and the driving assembly is used for canceling or releasing the limit of the limiting assembly on the relative rotation of the fixed friction plate 70 and the movable friction plate 79.
The fixed friction plates 70 and the movable friction plates 79 are all a plurality of, and the fixed friction plates 70 and the movable friction plates 79 are arranged in a staggered and laminated mode; the fixed friction plates 70 are fixedly connected with the base 60 connected to the cross bar 5, and the movable friction plates 79 are fixedly connected with the rotating seat 6. The plurality of fixed friction plates 70 and the plurality of movable friction plates 79 are arranged in an alternating and laminated manner, which means that the plurality of fixed friction plates are arranged in a laminated manner, gaps are arranged between the adjacent fixed friction plates, and the plurality of movable friction plates are respectively arranged in the gaps between the fixed friction plates. The staggered lamination of the fixed friction plates and the movable friction plates ensures that the rotation of the rotating seat is more stable, and the positioning of the rotating seat is firmer and more stable.
The limiting assembly comprises a support 7, an elastic piece 77 and a pin shaft 72 which are connected to the outer end of the base 60, a through hole 71 penetrating through the two end faces of the fixed friction plate 70 is formed in the fixed friction plate, the pin shaft 72 is in clearance fit in the through hole 71, one end of the pin shaft 72 is provided with a radial boss 73 with the outer diameter larger than the inner diameter of the through hole 71, and the other end of the pin shaft 72 is arranged in a sliding hole 75 in a penetrating mode on the support 7; the movable friction plate 79 is provided with an arc-shaped hole 710 arranged along the rotation direction of the rotation seat 6, and the pin shaft 72 is in clearance fit in the arc-shaped hole 710; the elastic member 77 is sleeved on the pin shaft in the sliding hole 75, so that the radial boss 73 of the pin shaft 72 always abuts against the fixed friction plate 70 or the movable friction plate 79, and the fixed friction plate 70 and the movable friction plate 79 are kept tightly attached. The radial boss of the pin shaft is always propped against the fixed friction plate or the movable friction plate under the elasticity of the elastic piece, and the fixed friction plate and the movable friction plate are kept tightly attached, so that the fixed friction plate and the movable friction plate are kept locked due to the pressure exerted by the radial boss of the pin shaft; in addition, the pin shaft is in clearance fit in the arc-shaped hole on the movable friction plate, and the pin shaft and the arc-shaped hole are in fit to play a role in rotation guiding, so that the rotation of the rotating seat is more stable. The fixed friction plate 70 is fixedly connected with the end face of the base through a pin.
The inner wall of the sliding hole 75 of the support 7 is provided with a step 76, one end of the pin shaft 72 positioned in the sliding hole 75 is connected with a limiting block 78, one end of the elastic piece 77 abuts against the step 76 on the inner wall of the sliding hole 75, and the other end of the elastic piece 77 abuts against the inner end surface of the limiting block 78. The radial boss 73 is a baffle connected to the pin shaft 72, and the baffle is fixed and limited by a connecting nut 74 connected to the inner end of the pin shaft 72. The elastic piece is a spring.
As shown in fig. 5 and 7, the driving assembly includes a wrench 8 rotatably connected to the support 7, and a pressing plate 80 for pushing the pin 72 is disposed on the wrench 8; when the wrench 8 is in a pressed state, the pressing plate 80 overcomes the elastic force of the elastic member 77 and pushes the pin shaft 72, so that the radial boss 73 of the pin shaft 72 is separated from the fixed friction plate 70 or the movable friction plate 79, and the fixed friction plate 70 and the movable friction plate 79 are kept in a relatively free rotation state. When the rotation angle of the display is adjusted, the wrench is manually pulled, and the pressing plate of the wrench overcomes the elasticity of the elastic piece and pushes the pin shaft, so that the radial boss of the pin shaft is separated from the friction plate or the movable friction plate, and the fixed friction plate and the movable friction plate are kept in a relatively free rotation state, and the display can be manually pulled to adjust the angle of the display; after the angle of the display is adjusted, the spanner is loosened, and the pin shaft is under the elasticity of the elastic piece, so that the radial boss on the pin shaft is propped against the fixed friction plate or the movable friction plate, and the fixed friction plate and the movable friction plate are in a locking state.
As shown in fig. 8, the upright post 2 comprises two lower pipes 20 which are vertically arranged and respectively connected with the base 1, and an upper pipe 21 is slidably matched in each of the two lower pipes 20; a vertically arranged supporting pipe 22 is fixedly connected in the central hole of each lower pipe 20, a vertically arranged ejector rod 24 is spirally connected in the supporting pipe 22, and the upper end of the ejector rod 24 is connected with the top of the upper pipe 21; the cross rod 5 is rotatably connected with a transmission rod 9, and the transmission rod 9 is used for driving the ejector rods 24 in the two upper pipes 21 to rotate; one end of the cross rod 5 is rotatably connected with a crank 10, and a rotating shaft of the crank 10 is coaxially connected with the transmission rod 9. The top of the supporting tube 22 is connected with a mounting seat 23 with internal threads, and the outer circumferential wall of the ejector rod 24 is provided with external threads which are in spiral connection with the internal threads of the mounting seat 23. When the upright post is in lifting operation, the crank is rotated by hands, the crank drives the transmission rod to rotate, the transmission rod drives the ejector rods in the two upper pipes to rotate, and the rotating ejector rods drive the upper pipes to lift due to the fact that the ejector rods are spirally connected in the supporting pipes. The lifting structure of the upright post is various, for example, a motor is adopted to drive a transmission rod to rotate; or a controllable gas spring, rope, etc. is used to provide lifting of the column, etc.
As shown in fig. 1, the display supporting system comprises a display 4 and the rotatable lifting bracket of the display, wherein the two ends of the circular arc-shaped rotating wall 62 are provided with mounting pieces 64, and the mounting pieces 64 enable the rotating seat 6 to be connected with the middle part of the back surface of the display 4. The display of the display support system and the rotatable lifting support of the display are more convenient to connect.
Claims (8)
1. The utility model provides a rotatable lifting support of display, it includes base (1), liftable stand (2) and rotates and bear device (3), its characterized in that: the rotary bearing device (3) comprises a cross rod (5) connected with the upright post (2) and at least one rotary seat (6) connected with the display (4), and each rotary seat (6) is provided with a section of arc-shaped rotary wall (62) sleeved on the cross rod (5); the transverse rod (5) is connected with a base (60) which is matched with the rotating seat (6) and has an arc-shaped outer circumferential wall, and the radian of the outer circumferential wall of the base (60) is consistent with that of the inner wall of the arc-shaped rotating wall (62); the inner wall of the circular arc-shaped rotating wall (62) is rotatably connected with the outer circumferential wall of the base (60); the rotating seat (6) further comprises a friction assembly arranged on the arc-shaped rotating wall (62) and the base (60), and the friction assembly is used for providing friction force when the rotating seat (6) rotates relative to the cross rod (5); the rotary bearing device (3) further comprises a locking mechanism, wherein the locking mechanism is used for controlling the rotary seat (6) to be in a locking state or a release state, the rotary seat (6) can rotate around the cross rod (5) in the release state, and the rotary seat (6) and the cross rod (5) are locked in the circumferential direction in the locking state;
the locking mechanism comprises at least one fixed friction plate (70) and at least one movable friction plate (79), wherein the fixed friction plate (70) is fixedly connected with the outer side wall of the cross rod (5), and the movable friction plate (79) is fixedly connected with the rotating seat (6); the locking mechanism also comprises a limiting assembly and a driving assembly which are connected to the cross rod (5), wherein the limiting assembly is used for limiting the relative rotation of the fixed friction plate (70) and the movable friction plate (79), and the driving assembly is used for releasing the limit of the limiting assembly on the relative rotation of the fixed friction plate (70) and the movable friction plate (79);
the number of the rotating seats (6) is two, the two rotating seats (6) are respectively arranged on two sides of the cross rod (5), and the two rotating seats (6) are respectively connected with the back of the display (4).
2. The rotatable lifting bracket of a display of claim 1, wherein: the friction assembly is characterized in that an arc-shaped friction block (65) is arranged on the outer side of an arc-shaped rotating wall (62) of the rotating seat (6), the friction block (65) is fixedly connected with a base (60) on the inner side of the rotating seat (6) through a connecting piece (66), an arc-shaped guide hole (63) extending along the rotating direction of the arc-shaped rotating wall (62) of the rotating seat (6) is formed in the arc-shaped rotating wall (62), and the connecting piece (66) is in clearance fit in the arc-shaped guide hole (63); the radian of the inner wall of the friction block (65) is consistent with that of the outer side wall of the circular arc-shaped rotating wall (62), and the inner wall of the friction block (65) is tightly attached to the outer side wall of the circular arc-shaped rotating wall (62).
3. The rotatable lifting bracket of a display of claim 1, wherein: the fixed friction plates (70) and the movable friction plates (79) are multiple, and the fixed friction plates (70) and the movable friction plates (79) are arranged in a staggered and laminated mode; the fixed friction plates (70) are fixedly connected with the base (60) connected to the cross rod (5), and the movable friction plates (79) are fixedly connected with the rotating seat (6).
4. A rotatable lifting bracket for a display according to claim 3, wherein: the limiting assembly comprises a support (7), an elastic piece (77) and a pin shaft (72) which are connected to the outer end of the base (60), a through hole (71) penetrating through two end faces of the fixed friction plate (70) is formed in the fixed friction plate, the pin shaft (72) is in clearance fit in the through hole (71), one end of the pin shaft (72) is provided with a radial boss (73) with the outer diameter dimension being larger than the inner diameter dimension of the through hole (71), and the other end of the pin shaft (72) is arranged in a sliding hole (75) in a penetrating mode on the support (7); the movable friction plate (79) is provided with an arc-shaped hole (710) arranged along the rotation direction of the rotating seat (6), and the pin shaft (72) is in clearance fit in the arc-shaped hole (710); the elastic piece (77) is sleeved on the pin shaft in the sliding hole (75), the radial boss (73) of the pin shaft (72) is always propped against the fixed friction plate (70) or the movable friction plate (79), and the fixed friction plate (70) and the movable friction plate (79) are kept tightly attached.
5. The rotatable lifting bracket of claim 4, wherein: a step (76) is arranged on the inner wall of a sliding hole (75) of the support (7), one end of the pin shaft (72) located in the sliding hole (75) is connected with a limiting block (78), one end of the elastic piece (77) abuts against the step (76) on the inner wall of the sliding hole (75), and the other end of the elastic piece (77) abuts against the inner end face of the limiting block (78).
6. The rotatable lifting bracket of claim 5, wherein: the driving assembly comprises a spanner (8) rotatably connected to the support (7), and a pressing plate (80) for pushing the pin shaft (72) is arranged on the spanner (8); when the spanner (8) is in a pressed state, the pressing plate (80) overcomes the elasticity of the elastic piece (77) and pushes the pin shaft (72), so that the radial boss (73) of the pin shaft (72) is separated from the fixed friction plate (70) or the movable friction plate (79), and the fixed friction plate (70) and the movable friction plate (79) are kept in a relatively free rotation state.
7. The rotatable lifting bracket of a display of claim 1, wherein: the upright post (2) comprises two lower pipes (20) which are vertically arranged and respectively connected with the base (1), and an upper pipe (21) is slidably matched in each lower pipe (20); a vertically arranged supporting pipe (22) is fixedly connected in the central hole of each lower pipe (20), a vertically arranged ejector rod (24) is spirally connected in the supporting pipe (22), and the upper end of the ejector rod (24) is connected with the top of the upper pipe (21); a transmission rod (9) is rotatably connected in the cross rod (5), and the transmission rod (9) is used for driving ejector rods (24) in the two upper pipes (21) to rotate; one end of the cross rod (5) is rotatably connected with a crank (10), and a rotating shaft of the crank (10) is coaxially connected with the transmission rod (9).
8. A display support system comprising a display (4) and a rotatable lifting support for the display according to any one of claims 1 to 7, characterized in that: the two ends of the arc-shaped rotating wall (62) are provided with mounting pieces (64), and the mounting pieces (64) enable the rotating seat (6) to be connected with the middle part of the back face of the display (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710681497.1A CN107504338B (en) | 2017-08-10 | 2017-08-10 | Rotatable lifting support for display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710681497.1A CN107504338B (en) | 2017-08-10 | 2017-08-10 | Rotatable lifting support for display |
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| CN107504338A CN107504338A (en) | 2017-12-22 |
| CN107504338B true CN107504338B (en) | 2023-06-06 |
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| CN201710681497.1A Active CN107504338B (en) | 2017-08-10 | 2017-08-10 | Rotatable lifting support for display |
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| CN107676602B (en) * | 2017-09-18 | 2020-01-10 | 广州视源电子科技股份有限公司 | Supporting frame |
| CN207230077U (en) * | 2017-09-18 | 2018-04-13 | 广州视源电子科技股份有限公司 | A kind of rotatable, lifting Intelligent flat |
| CN107505988B (en) * | 2017-09-18 | 2024-05-14 | 广州视源电子科技股份有限公司 | Tilting mechanism and dull and stereotyped subassembly of intelligence |
| CN107489868B (en) * | 2017-09-18 | 2023-03-03 | 广州视源电子科技股份有限公司 | Rotating shaft assembly |
| CN107414761B (en) * | 2017-09-18 | 2019-11-15 | 广州视源电子科技股份有限公司 | A kind of turnover mechanism and Intelligent flat component |
| CN108552763A (en) * | 2018-01-08 | 2018-09-21 | 广州视源电子科技股份有限公司 | A kind of electronics desk of rotatable lifting |
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| CN107504338A (en) | 2017-12-22 |
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