CN115773452A - Support frame - Google Patents

Abstract

The application discloses a support. The support comprises an upper upright post, a mounting assembly, a lower upright post and a lifting mechanism. The upper upright post is of a hollow structure, the mounting assembly is used for mounting the display, and the mounting assembly is fixedly connected with the upper upright post. The lower upright post is used for being arranged on the supporting table surface and is of a hollow structure. Elevating system includes the hand pole, turn to transmission assembly, lifter and sleeve pipe, the lifter is located in the stand, and with last stand fixed connection on the extending direction of last stand, and the lifter can go up the stand relatively and rotate around the axis of lifter, the lifter is established and is connected with the lifter rotation to the sleeve pipe cover, the sleeve pipe is fixed in down in the stand, thereby make down stand and last stand pass through sleeve pipe and lifter swing joint, turn to transmission assembly and last stand fixed connection on the extending direction of last stand, and with lifter fixed connection, hand pole and the transmission assembly fixed connection that turns to, and be located same one side of stand with one side that is used for installing the display of installation assembly.

Description

Support frame

Technical Field

The application relates to the technical field of display installation, in particular to a support.

Background

The utility model discloses a display support, the adjustment mechanism of support height sets up the back in the support bottom usually, need in the bottom of support and from the bottom behind wave the height that the handle adjusted the support to realize the altitude mixture control of display, but this kind of support altitude mixture control mode is because need squat down and will follow the back and adjust and lead to very inconvenient, and the handle setting can make the support can not hug closely the wall and occupy great space at the back of support.

Disclosure of Invention

In order to solve the technical problem, the application provides a support, can supply the user to carry out the regulation of support height from the front of support and by upper portion.

The application provides a support for the display is supported in the installation, the support includes stand, installation component, lower stand and elevating system. The upper upright post is of a hollow structure, the mounting assembly is used for mounting a display, and the mounting assembly is fixedly connected with the upper upright post. The lower upright post is used for being arranged on the supporting table surface and is of a hollow structure. Elevating system includes the hand pole, turns to transmission assembly, lifter and sleeve pipe, the lifter is located go up in the stand, and with go up the stand and be in fixed connection on the extending direction of last stand, just the lifter can be relative go up the stand and wind the axis of lifter rotates, the sleeve pipe cover is established the lifter and with the lifter rotates to be connected, the sleeve pipe is fixed in down in the stand, thereby make down the stand with go up the stand pass through the sleeve pipe and lifter swing joint, turn to transmission assembly with last stand is in fixed connection on the extending direction of last stand, and with lifter fixed connection, the hand pole with turn to transmission assembly fixed connection, and with one side that is used for installing the display of installation assembly is located go up the stand with one side, the hand pole is used for supplying the operation and makes it rotates and drives to turn to transmission assembly the lifter is in the sleeve pipe internal rotation makes the lifter is along being close to or keeping away from the direction motion of sleeve pipe, thereby drives go up the stand and installation assembly is along being close to or keeping away from the direction motion of stand down.

The utility model provides a support, one side and the hand pole that is used for installing the display through with the installation component set up in same one side of last stand, and through setting up respectively with hand pole and last stand fixed connection turn to the transmission assembly, with the lifter that turns to transmission assembly fixed connection and rotate with the lifter respectively and be connected and stand fixed connection's sleeve pipe down, make the user can follow the front of support and lean on the upper portion position to adjust the height of installation component through shaking the hand pole, thereby the user can carry out the regulation of display height from the front of support under the condition of standing, support convenience in use and user experience have been improved, and the hand pole setting makes the support can hug closely the wall openly, the space that the support occupy has been reduced.

Drawings

In order to more clearly illustrate the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and obviously, the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of a stent according to an embodiment of the present application.

Fig. 2 is an exploded view of the stent shown in fig. 1.

Fig. 3 is a schematic structural diagram of a steering transmission assembly provided in an embodiment of the present application.

Fig. 4 is a schematic sectional view of the first bevel gear set, the hand lever and the rotating shaft along the direction A1-A2 shown in fig. 3.

FIG. 5 is a schematic sectional view of the second bevel gear set, the shaft, the lifting rod and the sleeve along the direction B1-B2 shown in FIG. 3.

Fig. 6 is a schematic view of another angle of the stand shown in fig. 1.

Fig. 7 is an enlarged view of X in fig. 6.

Fig. 8 is a schematic structural view of the anti-tilt structure shown in fig. 6 and 7.

Fig. 9 is a state diagram of the bracket after the movable member moves in the direction approaching the lower column on the abutting portion.

Fig. 10 to 12 are schematic views illustrating connection of different first mounting holes of the mounting portion with second mounting holes of the first lower pillar.

Fig. 13 is a schematic view illustrating an installation of a fixing element and a clip element according to an embodiment of the present disclosure.

Fig. 14 is a schematic view showing the card hanging member hung on the fixing member.

FIG. 15 is a schematic view of the locking catch and retaining member of the retaining member.

Description of the main reference numerals:

a bracket 100; an upper column 10; a mounting assembly 20; a lower column 30; a lifting mechanism 40; a hand lever 41; a steering transmission assembly 42; a lift lever 43; a sleeve 44; a first turning structure 421; a second steering structure 422; a rotation shaft 423; a first bevel gear set fixing member 4212; a first bevel gear set 4211; a second bevel gear set fixing 4222; a support tube 90; a fastening structure 91; a second bevel gear set 4221; a first bevel gear 4211a; a second bevel gear 4211b; a third bevel gear 4221a; a fourth bevel gear 4221b; a first upper column 11; a second upper upright 12; a first lower pillar 31; a second lower upright 32; a second steering structure mount 95; a fixing frame 50; a first connecting member 55; a fixed plate 56; an anti-tilt structure 57; a body portion 561; an abutment 562; a first via 563; a movable member 571; an anti-tilt body portion 572; a fastener 573; a fixed shaft 574; a lock nut 575; a gasket 576; an adjusting member 60; a mounting portion 61; a bent portion 62; the first mounting hole 63; the second mounting hole 33; a second through hole 621; an upper pipe sleeve 13; a lower socket 34; a first upper socket 131; a second upper socket 132; a first lower socket 341; a second lower socket 342; a second connecting member 70; a fixing member 21; a card hanging member 22; a first hooking groove 221; a second hooking groove 222; the fixing member 21; the first projecting portion 211; the second projection 212; a locking member 223; an adjustment foot 80; a first adjustment leg 81; a second adjustment foot 82.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without inventive step, are within the scope of the present disclosure.

In the description of the present application, the terms "first", "second", "third", "fourth", etc. are used for distinguishing different objects and not for describing a particular order, and the terms "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present application.

Throughout the description of the present application, unless expressly stated or limited otherwise, the term "coupled" is to be construed broadly, e.g., as meaning fixedly attached, detachably attached, or integrally attached; the two components can be directly connected, indirectly connected through an intermediate medium, or communicated with each other inside the two components; may be a communication connection; may be an electrical connection. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic view of a bracket 100 according to an embodiment of the present disclosure, and fig. 2 is an exploded schematic view of the bracket 100 shown in fig. 1. The bracket 100 is used for mounting and supporting a display. As shown in fig. 1 and 2, the bracket 100 includes an upper column 10, a mounting assembly 20, a lower column 30, and a lifting mechanism 40. The upper upright post 10 is of a hollow structure, the mounting assembly 20 is used for mounting a display, and the mounting assembly 20 is fixedly connected with the upper upright post 10. The lower upright column 30 is used for being arranged on a supporting table surface, and the lower upright column is of a hollow structure 30. Elevating system 40 includes hand cranking bar 41, turns to drive assembly 42, lifter 43 and sleeve pipe 44, lifter 43 locates in going up stand 10, and with it is in to go up stand 10 fixed connection on the extending direction of last stand 10, just lifter 43 can be relative go up stand 10 and wind the axis of lifter 43 rotates, sleeve pipe 44 cover is established lifter 43 and with lifter 43 rotates to be connected, sleeve pipe 44 is fixed in down in the stand 30, thereby make down stand 30 with go up stand 10 and pass through sleeve pipe 44 and lifter 43 swing joint, turn to drive assembly 42 with it is in to go up stand 10 fixed connection on the extending direction of last stand 10, and with lifter 43 fixed connection, hand cranking bar 41 with turn to drive assembly 42 fixed connection, and with the one side that is used for installing the display of installation component 20 is located go up same one side of stand 10, hand cranking bar 41 is used for supplying the operation and rotates and makes it rotates and drives to turn to drive assembly 42 the lifter 43 is in the sleeve pipe 44 makes the one side that is close to the installation component 20 is close to or is close to the direction of the interior rotation of lift rod 43 is close to the direction of stand 30 or the installation component 20 is kept away from down along the motion direction of the installation of stand, thereby the installation component 20 is followed the direction of the motion.

The support 100 that this application embodiment provided, one side and the hand pole 41 that are used for installing the display through with installation component 20 set up in same one side of last stand 10, and through setting up respectively with hand pole 41 and last stand 10 fixed connection turn to transmission component 42, with the lifter 43 that turns to transmission component 42 fixed connection and rotate with lifter 43 respectively and be connected and stand 30 fixed connection's sleeve pipe 44 down, make the user can follow the front of support 100 and lean on the upper portion position to adjust the height of installation component 20 through shaking hand pole 41, thereby the user can carry out the regulation of display height from the front of support 100 under the condition of standing, support 100 convenience in utilization and user experience have been improved, and hand pole 41 sets up and makes support 100 can hug closely the wall openly, the space that support 100 occupy has been reduced.

Wherein, it includes first side and second side to go up stand 10, installation component 20 reaches hand rocker 41 locates go up the first side of stand 10, the second side compare in first side is close to the wall body, the first side of going up stand 10 passes through installation component 20 installation display, the plane at first side place can be seen as the front of support 100, hand rocker 41 locates first side, promptly hand rocker 41 is located the front of support 100.

The display can be any electronic equipment with a display function, such as a television, a commercial display screen, a spliced screen and the like; the support surface may be selected from the ground, a table top, or any other surface on which the stand 100 may be placed.

Please refer to fig. 3, which is a schematic structural diagram of the steering transmission assembly 42 according to an embodiment of the present disclosure. In some embodiments, as shown in fig. 3, the steering transmission assembly 42 includes a first steering structure 421, a second steering structure 422 and a rotating shaft 423, the first steering structure 421 with the hand rocker 41 is fixedly connected, the second steering structure 422 with the upper upright column 10 is in the extending direction of the upper upright column 10, and with the lifting rod 43 is fixedly connected, the rotating shaft 423 is fixedly arranged in the first steering structure 421 and the second steering structure 422, the hand rocker 41 is used for operating and rotating to make the first steering structure 421 rotate and drive the rotating shaft 423 rotate and the second steering structure 422 rotate, and then drive the lifting rod 43 to rotate in the sleeve 44.

The extending direction of the lifting rod 43 is parallel to the extending direction of the upper column 10 and the extending direction of the sleeve 44, and the extending direction of the sleeve 44 is parallel to the extending direction of the lower column 30.

The upper column 10 and the lower column 30 may be both tubular, and the pipe diameter of the upper column 10 is smaller than that of the lower column 30 and larger than that of the sleeve 44.

In some embodiments, the lifting rod 43 is provided with an external thread, the sleeve 44 is provided with an internal thread matching the external thread of the lifting rod 43, the lifting rod 43 is in threaded connection with the sleeve 44, and the lifting rod 43 can be screwed into or out of the sleeve 44 by rotation.

In some embodiments, a nut is disposed in the sleeve 44, the nut includes a nut main body and a rolling element, an inner spiral groove matched with the outer thread of the lifting rod 43 may be disposed in the nut main body, the outer thread of the lifting rod 43 and the inner spiral groove of the nut main body are matched to form a circular spiral raceway, and the rolling element is located in the circular spiral raceway, wherein the lifting rod 43 rotates along a central axis of the lifting rod 43 to drive the rolling element to roll in the circular spiral raceway, and then the lifting rod 43 makes a linear motion along an axial direction of the lifting rod 43 to drive the upper column 10 to move along the axial direction of the lifting rod 43.

Wherein, rotating during hand rocker 41, hand rocker 41 drives rather than fixed connection's first structure 421 of turning to rotate, and then drive with first structure 421 fixed connection's that turns to pivot 423 is rotatory, then drive with pivot 423 fixed connection's second turns to the structure 422 and rotates, drive again with second turns to structure 422 fixed connection's lifter 43 is in the sleeve 44 internal rotation makes lifter 43 follows the extending direction screw in or screw out of lifter 43 sleeve 44, thereby drives go up stand 10 and with last stand 10 fixed connection's installation component 20 is followed lifter 43's extending direction is in stand 30 internal motion down, wherein, sleeve 44 is located in stand 30 down, lifter 43 screw in during sleeve 44, drive go up stand 10 and be close to stand 30 motion down and go up at least part motion entering of stand 10 down in stand 30, when lifter 43 screws out sleeve 44, drive go up stand 10 keep away from stand 30 motion down and go up stand 10 follow stand 30 is stretched out down.

The sleeve 44 is disposed in the lower upright 30, and the lifting rod 43 moves in a direction approaching or departing from the sleeve 44, that is, in an extending direction of the lower upright 30, that is, the upper upright 10 moves in the extending direction of the lower upright 30.

In some embodiments, the length of the lifting rod 43 may be less than the distance between the end of the upper upright 10 near the lower upright 30 and the mounting assembly 20, so that the mounting assembly 20 does not collide with the lower upright 30 when the lifting rod 43 is almost fully screwed into the sleeve 44.

In some embodiments, the end of the sleeve 44 close to the upper column 10 is flush with the end of the lower column 30 close to the upper column 10, so that when the lifting rod 43 moves away from the lower column 30 and rises to the highest point, the bottom of the lifting rod 43 is flush with the end, i.e., the top, of the lower column 30 close to the upper column 10, and the length of the lower column 30 can be utilized to the maximum extent, so as to increase the height adjustment range of the bracket 100.

In some embodiments, the length of the sleeve 44 is approximately the same as the length of the lower upright 30, and the end of the sleeve 44 away from the lifting rod 43 is fixedly connected to the end of the lower upright 30 away from the upper upright 10.

In some embodiments, the bracket 100 further includes a supporting tube 90 and a fastening structure 91, the supporting tube 90 and the fastening structure 91 are disposed in the lower upright 30, the supporting tube 90 is fixedly connected to a side of the sleeve 44 away from the lifting rod 43 through the fastening structure 91 to provide support for the sleeve 44, the supporting tube 90 is parallel to the extending direction of the sleeve 44, and an end of the supporting tube 90 away from the sleeve 44 is fixedly connected to an end of the lower upright 30 away from the upper upright 10. Wherein the sum of the lengths of the support tube 90 and the sleeve 44 is equal to approximately the length of the lower column 30. By providing the support tube 90, the short sleeve 44 can be prevented from being fixed in the lower column 30 and the height adjustment range of the bracket 100 is limited.

Wherein, first structure 421 of turning to be used for with 90 turn to are carried out to the direction of rotation of hand rocking rod 41, make the plane at the direction of rotation place of pivot 423 with the plane at the direction of rotation place of hand rocking rod 41 is perpendicular, the second turn to the structure 422 be used for with 90 turn to are carried out to the direction of rotation of pivot 423, make the plane at the direction of rotation place of lifter 43 with the plane at the direction of rotation place of pivot 423 and the plane at the direction of rotation place of hand rocking rod 41 is all perpendicular, thereby can be in openly the rotation of hand rocking rod 41 turns into lifter 43 is along the rotation of self the central axis, and then turns into lifter 43 is at the ascending motion of self extending direction, thereby realizes driving installation component 20 is followed the motion of the extending direction of lifter 43 realizes rising and decline promptly.

In some embodiments, as shown in fig. 3, the first steering structure 421 includes a first bevel gear set and a first bevel gear set fixing member 4212, the first bevel gear set is disposed in the first bevel gear set fixing member 4212, and the second steering structure 422 includes a second bevel gear set and a second bevel gear set fixing member 4222, the second bevel gear set is disposed in the second bevel gear set fixing member 4222.

Referring to fig. 4 and 5, fig. 4 is a schematic cross-sectional view of the second bevel gear set 4221, the rotating shaft 423, the lifting rod 43 and the sleeve 44 along a direction A1-A2 shown in fig. 3, and fig. 5 is a schematic cross-sectional view of the first bevel gear set 4211, the hand lever 41 and the rotating shaft 423 along a direction B1-B2 shown in fig. 3. In some embodiments, as shown in fig. 4, the second bevel gear set 4221 comprises a third bevel gear 4221a and a fourth bevel gear 4221b which are perpendicular to and engaged with each other, and the second bevel gear set 4221 is disposed in the upper column 10 and is fixedly connected with the upper column 10 in the extending direction of the upper column 10. As shown in fig. 4, the lifting rod 43 is fixedly inserted through the fourth bevel gear 4221b. As shown in fig. 5, the first bevel gear set 4211 comprises a first bevel gear 4211a and a second bevel gear 4211b which are perpendicular to each other and are engaged with each other, and the first bevel gear 4211a is fixedly sleeved on the hand lever 41. As shown in fig. 4 and 5, the rotating shaft 423 is fixedly inserted through the second bevel gear 4211b and the third bevel gear 4221a.

The first bevel gear 4211a is used for rotating when the hand lever 41 rotates and driving the second bevel gear 4211b to rotate, so as to drive the rotating shaft 423 to rotate and the third bevel gear 4221a to rotate, and further drive the lifting rod 43 fixedly connected with the fourth bevel gear 4221b to rotate in the sleeve 44, and further the lifting rod 43 moves in a direction close to or far away from the sleeve 44.

The extending direction of the rotating shaft 423 may be perpendicular to the extending direction of the upper column 10, the central axis of the first bevel gear 4211a is perpendicular to both the extending direction of the upper column 10 and the extending direction of the rotating shaft 423, the central axis of the second bevel gear 4211b is parallel to the rotating shaft 423, the central axis of the third bevel gear 4221a is parallel to the rotating shaft 423, and the central axis of the fourth bevel gear 4221b is perpendicular to the rotating shaft 423 and parallel to the extending direction of the lifting rod 43.

The second bevel gear 4211b and the third bevel gear 4221a are sleeved on the rotating shaft 423 and are circumferentially fixed to the rotating shaft 423.

Wherein, first bevel gear 4211a with the crossing angle of the axle of second bevel gear 4211b is 90, first bevel gear 4211a cover is located the hand rocker 41 and with hand rocker 41 circumference is fixed when the hand rocker 41 rotates, drive first bevel gear 4211a syntropy rotation, and then drive the perpendicular to the second bevel gear 4211b of first bevel gear 4211a rotates and with second bevel gear 4211b fixed connection's pivot 423 rotates, the direction of rotation place plane of second bevel gear 4211b with the direction of rotation place plane of first bevel gear 4211a is perpendicular, thereby the realization will 90 turn to are carried out to the direction of rotation of hand rocker 41, make the plane at the direction of rotation place of pivot 423 with the direction of rotation place plane of hand rocker 41 is perpendicular.

The intersection angle between the third bevel gear 4221a and the fourth bevel gear 4221b is 90 °, the fourth bevel gear 4221b is sleeved on the lifting rod 43 and circumferentially fixed to the lifting rod 43, when the rotating shaft 423 rotates, the third bevel gear 4221a is driven to rotate in the same direction, so as to drive the fourth bevel gear 4221b vertically arranged to the third bevel gear 4221a to rotate and the lifting rod 43 fixedly connected to the fourth bevel gear 4221b to rotate, the plane where the rotating direction of the fourth bevel gear 4221b is located is perpendicular to the plane where the rotating direction of the third bevel gear 4221a is located, so that the rotating direction of the rotating shaft 423 is 90 ° rotated, the plane where the rotating direction of the rotating shaft 423 is located is perpendicular to the plane where the rotating direction of the lifting rod 43 is located, so that the rotation of the lifting rod 41 is converted into rotation of the lifting rod 43 along the central axis, and the lifting rod 43 is connected with the sleeve 44 in a rotating manner, so as to convert the rotation of the lifting rod into movement along the extending direction of the lifting rod 4221b, and further drive the hand-lifting assembly 20 to move up and down.

In some embodiments, as shown in fig. 1 and 2, the upper upright 10 includes a first upper upright 11 and a second upper upright 12 which are arranged in parallel, opposite ends of the mounting assembly 20 are fixedly connected to the first upper upright 11 and the second upper upright 12, respectively, and the lower upright 30 includes a first lower upright 31 and a second lower upright 32 which are arranged in parallel.

As shown in fig. 3, each of the second steering structures 422 includes a second bevel gear set 4221, the steering transmission assembly 42 includes two second bevel gear sets 4221, the two second bevel gear sets 4221 are respectively disposed in the first upper column 11 and the second upper column 12 and are respectively fixedly connected to the first upper column 11 and the second upper column 12 in an extending direction of the first upper column 11, the rotating shaft 423 is fixedly inserted through the two second bevel gear sets 4221 and extends out of one side of the second upper column 12 away from the first upper column 11, the first bevel gear set 4211 is fixedly disposed on a portion of the rotating shaft 423 extending out of the second upper column 12, the support 100 further includes two lifting rods 43 and two sleeves 44, the two lifting rods 43 are respectively rotatably connected to the two second bevel gear sets 4221, the two sleeves 44 are respectively fixed in the first lower column 31 and the second lower column 32 and are respectively sleeved with the two lifting rods 43.

Wherein, the fixed cover of first bevel gear set 4211 is located the extension of pivot 423 the part of stand 12 on the second, promptly first bevel gear set 4211 locates keeping away from of stand 12 on the second one side of stand 11 on the first, also promptly hand pole 41 locates keeping away from of stand 12 on the second one side of stand 11 on the first, the user can follow the side of installation component 20 carries out height control, the operation of being convenient for.

The two third bevel gears 4221a rotate in the same direction, so that the two fourth bevel gears 4221b rotate in the same direction, the two lifting rods 43 rotate in the same direction, and the first upper column 11 and the second upper column 12 move in the same direction.

In some embodiments, the second bevel gear 4211b has a gear face away from the third bevel gear 4221a, the gear faces of the two third bevel gears 4221a are away from the second bevel gear 4211b, and the two third bevel gears 4221a rotate in a direction opposite to the rotation direction of the second bevel gear 4211 b.

The extending direction of the upper upright 10 is the extending direction of the first upper upright 11 and the second upper upright 12. The extending direction of the lower column 30 is the extending direction of the first lower column 31 and the second lower column 32.

The first upper column 11 and the second upper column 12 are arranged to improve the stability of installing and fixing the display, and the two second bevel gear sets 4221 are arranged to realize synchronous ascending or descending of the first upper column 11 and the second upper column 12.

In some embodiments, the first bevel gear set fixing member 4212 is fixedly disposed on a side of the second upper column 12 far away from the first upper column 11, the first bevel gear set fixing member 4212 includes a first fixing member main body and a first bearing and a second bearing fixed in the first fixing member main body, the first fixing member main body is fixedly connected to a side of the second upper column 12 far away from the first upper column 11, the first bevel gear 4211a is disposed in the first fixing member main body and penetrates through the first bearing, the first bevel gear 4211a is fixedly connected to the first fixing member main body in an extending direction of the upper column 10, the second bevel gear 4211b is disposed in the first fixing member main body and penetrates through the second bearing, and the second bevel gear 4211b is fixedly connected to the first fixing member main body in an extending direction of the upper column 10.

Wherein the first bearing is arranged perpendicular to the second bearing.

The first bearing comprises a first inner ring and a first outer ring, the first outer ring is fixed on the inner wall of the first fixing piece main body, the first inner ring and the first outer ring are rotationally connected through a first rolling body between the first inner ring and the first outer ring, and a first bevel gear 4211a penetrates through the first inner ring and is circumferentially fixed with the first inner ring, so that the first bevel gear 4211a can rotate along the central axis of the first fixing piece main body relative to the first fixing piece main body and is fixedly connected with the first fixing piece main body in the extending direction of the upper upright post 10.

The second bearing comprises a second inner ring and a second outer ring, the second outer ring is fixed on the inner wall of the first fixing piece main body, the second inner ring and the second outer ring are rotationally connected through a second rolling element between the second inner ring and the second outer ring, and the second bevel gear 4211b penetrates through the second inner ring and is circumferentially fixed with the second inner ring, so that the second bevel gear 4211b can rotate along the central axis of the second bevel gear relative to the first fixing piece main body and is fixedly connected with the first fixing piece main body in the extending direction of the upper upright post 10. Accordingly, when the upper column 10 ascends or descends along with the lifting rod 43, the first bevel gear set 4211 and the hand lever 41 ascend or descend at the same time.

In some embodiments, the two second steering structures 422 include two second bevel gear set fixing members 4222 respectively fixedly disposed in the first upper column 11 and the second upper column 12, each second bevel gear set fixing member 4222 includes a second fixing member main body and a third bearing and a fourth bearing fixed in the second fixing member main body, the two second fixing member main bodies are respectively fixedly connected with the first upper column 11 and the second upper column 12, a third bevel gear 4221a of each second bevel gear set 4221 is disposed in a second fixing member main body and penetrates through a first bearing in the second fixing member main body, the third bevel gear 4221a is fixedly connected with the second fixing member main body in the extending direction of the upper column 10, a fourth bevel gear 4221b of each second bevel gear set 4221 is disposed in a second fixing member main body and penetrates through a second bearing in the second fixing member main body, and the fourth bevel gear 4221b is fixedly connected with the second fixing member main body in the extending direction of the upper column 10.

Wherein, the third bearing sets up with the fourth bearing is perpendicular.

The third bearing comprises a third inner ring and a third outer ring, the third outer ring is fixed on the inner wall of the second fixing part main body, the third inner ring and the third outer ring are rotationally connected through a third rolling element between the third inner ring and the third outer ring, and the third bevel gear 4221a penetrates through the third inner ring and is circumferentially fixed with the third inner ring, so that the third bevel gear 4221a can rotate along the central axis of the third bearing relative to the second fixing part main body and is fixedly connected with the second fixing part main body in the extending direction of the upper upright post 10.

The fourth bearing comprises a fourth inner ring and a fourth outer ring, the fourth outer ring is fixed on the inner wall of the second fixing part main body, the fourth inner ring and the fourth outer ring are rotationally connected through a fourth rolling body between the fourth inner ring and the fourth outer ring, and the fourth bevel gear 4221b penetrates through the fourth inner ring and is circumferentially fixed with the fourth inner ring, so that the fourth bevel gear 4221b can rotate along the central axis of the fourth bearing relative to the second fixing part main body and is fixedly connected with the second fixing part main body in the extending direction of the upper upright post 10. Accordingly, when the lift lever 43 is raised or lowered, the second bevel gear set 4221 is raised or lowered, so that the upper column 10 is simultaneously raised or lowered.

In some embodiments, as shown in fig. 2, the bracket 100 further includes two second steering structure fixing parts 95, each second steering structure fixing part 95 covers a second steering structure 422, and the second steering structure 422 and the first upper column 11 are fixedly connected in the extending direction of the first upper column 11 by a screw passing through the first upper column 11 and the second steering structure 422 located in the first upper column 11. Moreover, the second upper column 12 and the second steering structure 422 located in the second upper column 12 are inserted through the screw, so that the second steering structure 422 and the second upper column 12 are fixedly connected in the extending direction of the second upper column 12.

In some embodiments, as shown in fig. 1 and 2, the support 100 further includes a fixing frame 50, the fixing frame 50 is fixedly disposed on a side of the second upper column 12 far away from the first upper column 11, and is fixedly connected to the first bevel gear set fixing member 4212, so that the first bevel gear set fixing member 4212 is fixedly connected to the second upper column 12.

The fixing frame 50 can be fixedly mounted on one side of the second upper upright 12 far away from the first upper upright 11 through bolts.

The part of the rotating shaft 423 extending out of the second upper upright post 12 penetrates through the fixed frame 50, and the first bevel gear set fixing piece 4212 is arranged in the fixed frame 50 and is fixedly connected with the fixed frame 50, so that the first bevel gear set 4211, the hand lever 41 and the rotating shaft 423 are fixedly connected with the fixed frame 50. In addition, by providing the fixing frame 50, the rotating shaft 423, the first bevel gear set fixing member 4212 and the first bevel gear set 4211 are accommodated in the fixing frame 50, so that the appearance of the stand 100 can be improved.

Referring to fig. 1, 2, 6 and 7, fig. 6 is a schematic view of the bracket 100 shown in fig. 1 at another angle, and fig. 7 is an enlarged view of X in fig. 6. In some embodiments, as shown in fig. 1, 2, 6 and 7, the bracket 100 further includes a first connecting member 55, a fixing plate 56 and an anti-tilting structure 57, the first connecting member 55 is connected between the first upper upright 11 and the second upper upright 12, the anti-tilting structure 57 is fixedly connected to the first connecting member 55 and movably connected to the fixing plate 56, the fixing plate 56 is located on a side of the first connecting member 55 away from the mounting assembly 20, the fixing plate 56 includes a main body portion 561 and an abutting portion 562 fixedly connected to the main body portion 561, the main body portion 561 is configured to be fixed to a wall, the anti-tilting structure 57 includes a movable member 571, the movable member 571 abuts against a side of the abutting portion 562 close to the wall, and the movable member is configured to move on the side of the abutting portion 562 close to the wall in the same direction when the lifting rod 43 moves in a direction close to or away from the sleeve 44.

As shown in fig. 7, the fixing plate 56 is provided with at least one first through hole 563, and the fixing plate 56 can be fixed on the wall by at least one screw passing through the at least one first through hole 563 and being locked in the wall. The arrangement direction of the at least one first through hole 563 may be parallel to the extending direction of the fixing plate 56, so as to reinforce the connection between the fixing plate 56 and the wall.

As shown in fig. 6 and 7, the abutting portions 562 are disposed on two opposite sides of the main body portion 561, the two opposite sides are two opposite sides in a direction perpendicular to an extending direction of the main body portion 561, and when the main body portion 561 is in contact with a wall and fixed on the wall, a gap exists between the abutting portions 562 and the wall. In other embodiments, the abutting portion 562 may be disposed on one of two opposite sides of the body portion 561.

Referring to fig. 7 and 8, fig. 8 is a schematic structural view of the anti-tilt structure 57 shown in fig. 6 and 7. As shown in fig. 7 and 8, the anti-tilt structure 57 further includes an anti-tilt body 572, a fastening member 573, a fixing shaft 574 and a locking nut 575, the anti-tilt body 572 is locked and fixed on the first connecting member 55 by the fastening member 573, the fixing shaft 574 penetrates through the anti-tilt body 572 and the movable member 571, and the locking nut 575 locks and fixes the fixing shaft 574 on the anti-tilt body 572, so that the movable member 571 is fixed relative to the upper column 10 in the extending direction of the upper column 10. The movable element 571 may be a bearing, the fixed shaft 574 is fixedly inserted into the inner ring of the bearing of the movable element 571, and the outer ring of the bearing of the movable element 571 is rotatable relative to the fixed shaft 574. As shown in fig. 8, the anti-tilt structure 57 further includes a gasket 576 disposed between the movable member 571 and the locking nut 575, so as to facilitate the locking nut 575 to lock the fixed shaft 574.

As shown in fig. 7, one side of the abutting portion 562, which is away from the wall, contacts the anti-tilting body 572, one side of the abutting portion 562, which is close to the wall, contacts the outer ring of the bearing of the movable member 571, and the outer ring of the bearing of the movable member 571 can roll along one side of the abutting portion 562, which is close to the wall. When the upper column 10 moves along the extending direction of the upper column 10, the first connecting member 55 and the anti-tilting main body 572 fixedly connected to the first connecting member 55 are driven to move along the same direction, so as to drive the outer ring of the bearing of the moving member 571 to roll on the side, close to the wall, of the abutting portion 562.

In the embodiment of the present application, the fixed plate 56 is fixed to the wall, and the movable element 571 is arranged to abut against one side of the abutting portion 562, which is close to the wall, when the mounting assembly 20 is installed, and the mounting assembly 20 is raised, because the display has a certain weight, the bracket 100 is easy to tilt forward, and the higher the adjustment height is, the more easily the bracket tilts forward, so that when the bracket 100 has a forward tilting tendency, the abutting portion 562 can provide an acting force opposite to the forward tilting direction for the movable element 571, that is, the bracket 100 provides an acting force opposite to the forward tilting direction, thereby preventing the bracket 100 from being easy to fall down due to forward tilting, and the movable element 571 can roll on one side of the abutting portion 562, which is close to the wall, so that when the upper upright post 10 is raised and lowered, the movable element 571 can roll on one side of the wall 562 along with the raising and lowering of the upper upright post 10, thereby preventing the abutting portion 571 from being unable to raise and lower the wall, which causes the abutting portion 562 to lift the upper upright post 571.

Referring to fig. 7 and 9, fig. 7 illustrates a state of the bracket 100 after the movable element 571 moves on the abutting portion 562 in a direction away from the lower upright 30, and fig. 9 illustrates a state of the bracket 100 after the movable element 571 moves on the abutting portion 562 in a direction close to the lower upright 30. As shown in fig. 7, when the upper upright 10 moves in a direction away from the lower upright 30, the movable member 571 moves on the abutting portion 562 in a direction away from the lower upright 30 to an end of the abutting portion 562 away from the support table. As shown in fig. 9, when the upper stand 10 moves in a direction approaching the lower stand 30, the movable member 571 moves on the abutment portion 562 in a direction approaching the lower stand 30 to an end of the abutment portion 562 near the support table.

In some embodiments, as shown in fig. 1 and fig. 2, the bracket 100 further includes an adjusting element 60, the adjusting element 60 includes an installation portion 61 and a bent portion 62 connected to the installation portion 61 at an included angle, the installation portion 61 is installed and fixed on a side surface of the lower upright 30, and the bent portion 62 is used for being fixed on a wall, so that the lower upright 30 is fixedly connected to the wall.

The adjusting member 60 can fix the lower column 30 to a wall, so as to further improve the stability of the bracket 100.

As shown in fig. 1 and 2, the bracket 100 may include a plurality of adjusting members 60, and the plurality of adjusting members 60 may be disposed on a side of the first lower upright 31 facing the second lower upright 32 and a side of the second lower upright 32 facing the first lower upright 31, so that the first lower upright 31 and the second lower upright 32 are fixed on a wall. For example, the bracket 100 includes four adjusting members 60, wherein the mounting portions 61 of two adjusting members 60 are arranged along the extending direction of the first lower upright 31 and fixed to the sides of the first lower upright 31 facing the second lower upright 32, respectively, and the mounting portions 61 of the other two adjusting members 60 are arranged along the extending direction of the second lower upright 32 and fixed to the sides of the second lower upright 32 facing the first lower upright 31, respectively.

In some embodiments, as shown in fig. 1 and 2, the mounting portion 61 is provided with a plurality of first mounting holes 63, and distances between the plurality of first mounting holes 63 and the bent portion 62 are different, so that when the bent portion 62 is fixed on a wall, distances between the plurality of first mounting holes 63 and the wall are different, a side surface of the lower upright 30 is provided with a second mounting hole 33, and the second mounting hole 33 is used for being connected with the different first mounting holes 63, so as to adjust a distance between the lower upright 30 and the wall.

The plurality of first mounting holes 63 may include a plurality of rows of first mounting holes 63, the arrangement direction of the plurality of rows of first mounting holes 63 is parallel to the extending direction of the lower column 30, and the arrangement direction of each row of first mounting holes 63 is perpendicular to the extending direction of the lower column 30.

The included angle between the mounting portion 61 and the bent portion 62 may be 90 °, and the first mounting holes 63 may be arranged in a direction perpendicular to the bent portion 62, so that distances between the first mounting holes 63 and the bent portion 62 are different, and when the bent portion 62 is fixed to a wall, distances between the first mounting holes 63 and the wall are different.

When one of the first mounting holes 63 having the shortest distance to the bent portion 62 is connected to the second mounting hole 33, a side of the bent portion 62 close to the wall is flush with a side of the lower column 30 close to the wall, so that the lower column 30 can abut against the wall when the first mounting hole 63 having the shortest distance to the bent portion 62 is connected to the second mounting hole 33.

The second mounting holes 33 are provided in the side surfaces of the lower column 30 to which the mounting portions 61 are mounted, that is, the second mounting holes 33 are provided in both the side of the first lower column 31 facing the second lower column 32 and the side of the second lower column 32 facing the first lower column 31, and the first mounting holes 63 and the second mounting holes 33 can be connected by screwing bolts into any of the first mounting holes 63 and the second mounting holes 33, so that the distances between the first lower column 31 and the second lower column 32 and the wall can be adjusted.

When one of the first mounting holes 63 having the shortest distance to the bent portion 62 is connected to the second mounting hole 33 of the first lower upright post 31, a side of the bent portion 62 close to the wall is flush with a side of the first lower upright post 31 close to the wall, so that the first lower upright post 31 can abut against the wall when the one of the first mounting holes 63 having the shortest distance to the bent portion 62 is connected to the second mounting hole 33.

When one first mounting hole 63 of the plurality of second lower uprights 32, which is the shortest distance from the bent portion 62, is connected to the second mounting hole 33 of the second lower upright 32, one side of the bent portion 62, which is close to the wall, is flush with one side of the second lower upright 32, which is close to the wall, so that when the one first mounting hole 63, which is the shortest distance from the bent portion 62, is connected to the second mounting hole 33, the second lower upright 32 can abut against the wall.

Please refer to fig. 10 to 12, which are schematic views illustrating the connection between different first mounting holes 63 of the mounting portion 61 and the second mounting holes 33 of the first lower upright 31. In some embodiments, the mounting portion 61 includes three first mounting holes 63, as shown in fig. 10, the first mounting hole 63 of the mounting portion 61, which is farthest from the bent portion 62, is connected to the second mounting hole 33 of the first lower upright 31, the mounting portion 61 protrudes from a side of the first lower upright 31 close to the wall, and a distance between the first lower upright 31 and the wall is S1. As shown in fig. 11, a first mounting hole 63 of the mounting portion 61 located in the middle is connected to the second mounting hole 33 of the first lower upright 31, the mounting portion 61 protrudes from a side of the first lower upright 31 close to the wall, a distance between the first lower upright 31 and the wall is S2, and S2 is smaller than S1. As shown in fig. 12, a first mounting hole 63 of the mounting portion 61, which has the smallest distance from the bent portion 62, is connected to the second mounting hole 33 of the first lower upright 31, a side of the bent portion close to the wall is flush with a side of the first lower upright 31 close to the wall, and a distance between the first lower upright 31 and the wall is S3, where S3 is almost 0.

Therefore, the first mounting holes 63 and the second mounting holes 33 can be connected through different connecting holes, the distance between the first lower upright posts 31 and the wall can be adjusted, and different wall mounting environments can be met, for example, skirting lines, wall sockets, wall routing lines and the like exist on the wall.

Obviously, the number of the first mounting holes 63 can be set according to actual requirements.

As shown in fig. 2, the bent portion 62 may be opened with a second through hole 621, and a bolt may be inserted through the bent portion 62 to fix the bent portion 62 on a wall.

The second mounting hole 33 of the first lower upright column 31 and the second mounting hole 33 of the second lower upright column 32 can be respectively connected with the first mounting hole 63 at the same position on the corresponding mounting portion 61, so that the distances between the first lower upright column 31 and the wall and the distances between the second lower upright column 32 and the wall are the same, and the bracket 100 can be stably fixed on the wall.

In some embodiments, the upper column 10 and the lower column 30 are both tubular, and the pipe diameter of the upper column 10 is smaller than that of the lower column 30. As shown in fig. 2, the bracket 100 further includes an upper pipe sleeve 13 and a lower pipe sleeve 34, the upper pipe sleeve 13 is fixedly sleeved on an end portion of the upper column 10 close to the lower column 30, that is, the end portion is fixedly sleeved on the bottom of the upper column 10, a pipe diameter of the upper pipe sleeve 13 is smaller than a pipe diameter of the lower column 30, the lower pipe sleeve 34 is fixedly disposed on an inner wall of the lower column 30 close to the end portion of the upper column 10, that is, the top of the lower column 30, and the pipe diameter of the lower pipe sleeve 34 is larger than the pipe diameter of the upper column 10.

Wherein the outer pipe diameter of the upper column 10 is smaller than the inner pipe diameter of the lower column 30, the outer pipe diameter of the upper pipe sleeve 13 is smaller than the inner pipe diameter of the lower column 30, the inner pipe diameter of the lower pipe sleeve 34 is larger than the outer pipe diameter of the upper column 10, and the outer pipe diameter of the lower pipe sleeve 34 is smaller than the inner pipe diameter of the lower column 30.

The upper sleeve 13 and the lower sleeve 34 may be made of a material with a low friction coefficient, for example, the upper sleeve 13 and the lower sleeve 34 may be made of brass, teflon, or the like.

Wherein the sum of the outer pipe diameter of the upper pipe sleeve 13 and the outer pipe diameter of the upper column 10 is substantially equal to the inner pipe diameter of the lower column 30, and the sum of the outer pipe diameter of the lower pipe sleeve 34 and the outer pipe diameter of the upper column 10 is substantially equal to the inner pipe diameter of the lower column 30. When the upper upright 10 moves in the lower upright 30 along the extending direction of the upper upright 10, the upper upright 10 contacts the inner wall of the lower upright 30 through the upper pipe sleeve 13, so that the lower upright 30 can play a role of fixing and supporting the upper upright 10 to avoid the upper upright 10 suspending in the lower upright 30, and the friction coefficient of the upper pipe sleeve 13 is low, which facilitates the upper upright 10 to move along the inner wall of the lower upright 30; the upper upright post 10 is provided with the lower pipe sleeve 34 in a penetrating manner, and the lower pipe sleeve 34 is in contact with the outer wall of the upper upright post 10, so that the lower upright post 30 can further play a role of fixing and supporting the upper upright post 10, and the friction coefficient of the lower pipe sleeve 34 is low, which is beneficial to the movement of the upper upright post 10.

The first upper column 11, the second upper column 12, the first lower column 31 and the second lower column 32 are both tubular, the upper pipe sleeve 13 includes a first upper pipe sleeve 131 and a second upper pipe sleeve 132, the lower pipe sleeve 34 includes a first lower pipe sleeve 341 and a second lower pipe sleeve 342, the first upper pipe sleeve 131 and the second upper pipe sleeve 132 are respectively and fixedly sleeved on an end portion of the first upper column 11 close to the first lower column 31 and an end portion of the second upper column 12 close to the second lower column 32, and the first lower pipe sleeve 341 and the second lower pipe sleeve 342 are respectively and fixedly arranged on an end portion of the first lower column 31 close to the first upper column 11 and an end portion of the second lower column 32 close to the second upper column 12.

Wherein an outer diameter of the first upper column 11 is smaller than an inner diameter of the first lower column 31, an outer diameter of the first upper sleeve 131 is smaller than the inner diameter of the first lower column 31, an inner diameter of the first lower sleeve 341 is larger than the outer diameter of the first upper column 11, and an outer diameter of the first lower sleeve 341 is smaller than the inner diameter of the first lower column 31.

Wherein an outer diameter of the second upper column 12 is smaller than an inner diameter of the second lower column 32, an outer diameter of the second upper sleeve 132 is smaller than an inner diameter of the second lower column 32, an inner diameter of the second lower sleeve 342 is larger than an outer diameter of the second upper column 12, and an outer diameter of the second lower sleeve 342 is smaller than an inner diameter of the second lower column 32.

Wherein the sum of the outer pipe diameter of the first upper pipe sleeve 131 and the outer pipe diameter of the first upper column 11 is substantially equal to the inner pipe diameter of the first lower column 31, and the sum of the outer pipe diameter of the first lower pipe sleeve 341 and the outer pipe diameter of the first upper column 11 is substantially equal to the inner pipe diameter of the first lower column 31. When the first upper upright 11 moves in the first lower upright 31 along the extending direction of the first upper upright 11, the first upper upright 11 contacts the inner wall of the first lower upright 31 through the first upper pipe sleeve 131, so that the first lower upright 31 can play a role of fixed support for the first upper upright 11 to avoid the first upper upright 11 from suspending in the first lower upright 31, and the friction coefficient of the first upper pipe sleeve 131 is low, which is favorable for the first upper upright 11 to move along the inner wall of the lower upright 30; the first upper column 11 is provided with the first lower sleeve 341 in a penetrating manner, and the first lower sleeve 341 is in contact with the outer wall of the first upper column 11, so that the first lower column 31 can further play a role of fixing and supporting the first upper column 11, and the friction coefficient of the first lower sleeve 341 is low, which is beneficial to the movement of the first upper column 11.

Wherein the sum of the outer pipe diameter of the second upper pipe sleeve 132 and the outer pipe diameter of the second upper column 12 is substantially equal to the inner pipe diameter of the second lower column 32, and the sum of the outer pipe diameter of the second lower pipe sleeve 342 and the outer pipe diameter of the second upper column 12 is substantially equal to the inner pipe diameter of the second lower column 32. When the second upper upright 12 moves in the second lower upright 32 along the extending direction of the second upper upright 12, the second upper upright 12 contacts the inner wall of the second lower upright 32 through the second upper pipe sleeve 132, so that the second lower upright 32 can play a role of fixed support for the second upper upright 12 to avoid the second upper upright 12 hanging in the second lower upright 32, and the friction coefficient of the second upper pipe sleeve 132 is low, which facilitates the movement of the second upper upright 12 along the inner wall of the second lower upright 32; the second upper column 12 is provided with the second lower pipe sleeve 342, and the second lower pipe sleeve 342 is in contact with the outer wall of the second upper column 12, so that the second lower column 32 can further play a role of fixing and supporting the second upper column 12, and the friction coefficient of the second lower pipe sleeve 342 is low, which is beneficial to the movement of the second upper column 12.

In some embodiments, as shown in fig. 1 and 2, the bracket 100 further includes at least one second connecting member 70, where the at least one second connecting member 70 is connected between the first lower upright 31 and the second lower upright 32 to fix the first lower upright 31 and the second lower upright 32, so that the first lower upright 31 and the second lower upright 32 are fixed relatively.

The bracket 100 may include a plurality of second connectors 70, and the second connectors 70 may be arranged at intervals, and the arrangement direction is parallel to the extension direction of the first lower upright 31 and the second lower upright 32. As shown in fig. 1 and 2, the bracket 100 may include two second connectors 70, and two ends of the second connectors 70 along the extending direction of the second connectors 70 are respectively connected to the first lower upright 31 and the second lower upright 32. The second connecting member 70 is fixedly connected to a side of the first lower vertical column 31 facing the second lower vertical column 32 and a side of the second lower vertical column 32 facing the first lower vertical column 31, respectively, so that the first lower vertical column 31 and the second lower vertical column 32 can be fixed well.

Referring to fig. 13 to 15, fig. 13 is an installation diagram of the fixing member 21 and the clip member 22 according to the embodiment of the present application, fig. 14 is a diagram of the clip member 22 being hung on the fixing member 21, and fig. 15 is a diagram of the locking member 223 locking the clip member 22 and the fixing member 21. In some embodiments, as shown in fig. 13, the mounting assembly 20 includes a fixing member 21 and a clip member 22, the fixing member 21 is fixedly connected to the upper column 10, the clip member 22 is fixedly connected to the fixing member 21, and the clip member 22 is used for mounting a display.

As shown in fig. 13 and 14, the card hanging member 22 is provided with a first card hanging groove 221 and a second card hanging groove 222, the fixing member 21 includes a first protrusion 211 and a second protrusion 212, the first protrusion 211 is inserted into the first card hanging groove 221, the second protrusion 212 is inserted into the second card hanging groove 222, and the card hanging member 22 is hung on the fixing member 21.

As shown in fig. 13 and 15, the card hanging member 22 further includes a locking member 223, the locking member 223 is disposed on one side of the second card hanging groove 222 far away from the first card hanging groove 221, and an end of the locking member 223 abuts against the fixing member 21, so that the card hanging member 22 is fixed on the fixing member 21.

The fixing member 21 and the hooking member 22 can be quickly positioned and installed by the way of engaging the hooking groove with the protruding portion.

As shown in fig. 15, the locking member 223 may be a threaded rod, and after the first protrusion 211 and the second protrusion 212 of the fixing member 21 are respectively engaged with the first hooking groove 221 and the second hooking groove 222 of the hooking member 22, the threaded rod is abutted to the fixing member 21 by tightening the threaded rod, and a large abutting force is provided between the threaded rod and the fixing member 21, so that the hooking member 22 is fixed to the fixing member 21.

In some embodiments, as shown in fig. 1 and fig. 2, the bracket 100 further includes an adjusting foot 80, the adjusting foot 80 is fixed to an end of the lower upright 30 away from the upper upright 10, and the adjusting foot 80 is used for adjusting the distance between the lower upright 30 and the supporting platform.

The adjusting foot 80 comprises a threaded portion and an adjusting foot main body, a threaded hole is formed in one end, far away from the upper upright post 10, of the lower upright post 30, an internal thread matched with an external thread of the threaded portion is formed in the threaded hole, and the distance between the lower upright post 30 and a supporting table top can be adjusted by adjusting the depth of the adjusting foot 80 screwed into the threaded hole. The adjusting foot main body is used for being arranged on the supporting table top.

The adjusting feet 80 include a first adjusting foot 81 and a second adjusting foot 82, the first adjusting foot 81 and the second adjusting foot 82 are respectively fixedly connected to one end of the first lower column 31 far away from the first upper column 11 and one end of the second lower column 32 far away from the second upper column 12, the first adjusting foot 81 is used for adjusting the distance between the first lower column 31 and the supporting platform, and the second adjusting foot 82 is used for adjusting the distance between the second lower column 32 and the supporting platform, so that the first lower column 31 and the second lower column 32 can be adjusted to be the same as the supporting platform by the first adjusting foot 81 and the second adjusting foot 82, thereby facilitating the synchronous ascending and descending of the first upper column 11 and the second upper column 12.

Wherein, during the adjustment of the use of the support 100, the distance between the end of the adjusting foot 80 of the support 100 far away from the lower upright post 30 and the first connecting piece 55 can be in the range of 1100mm-1530 mm. To suit the viewing heights of different users.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The foregoing is an implementation of the embodiments of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the embodiments of the present application, and these modifications and decorations are also regarded as the protection scope of the present application.

Claims (13)

1. A stand for mounting and supporting a display, the stand comprising:

the upper upright post is of a hollow structure;

the mounting assembly is used for mounting a display and is fixedly connected with the upper upright post;

the lower upright post is used for being arranged on the supporting table top and is of a hollow structure; and

elevating system, including the hand pole, turn to transmission assembly, lifter and sleeve pipe, the lifter is located in the last stand, and with go up the stand and be in fixed connection on the extending direction of last stand, and the lifter can be relative go up the stand and wind the axis of lifter rotates, the sleeve pipe cover is established the lifter and with the lifter rotates to be connected, the sleeve pipe is fixed in down in the stand, thereby make down the stand with go up the stand pass through the sleeve pipe and lifter swing joint, turn to transmission assembly with last stand is in fixed connection on the extending direction of last stand, and with lifter fixed connection, the hand pole with turn to transmission assembly fixed connection, and with one side that is used for installing the display of installation assembly is located go up the stand with one side, the hand pole is used for the operation and rotates and makes it rotates and drives to turn to transmission assembly the lifter is in the sleeve pipe internal rotation makes the lifter is along being close to or keeping away from the direction motion of sleeve pipe, thereby drives go up the stand reaches installation assembly is along being close to or keeping away from the direction motion of stand down.

2. The support of claim 1, characterized in that, the steering drive subassembly includes first structure, the second that turns to and pivot, first turn to the structure with hand rocking bar fixed connection, the second turn to the structure with the upper column is in fixed connection on the extending direction of upper column, and with lifter fixed connection, the pivot is fixed to be worn to locate first structure that turns to reaches the second structure that turns to, hand rocking bar is used for supplying the operation and rotates and makes first structure that turns to rotate and drive the pivot is rotatory and the second turns to the structure and rotates, and then drives the lifter is in the cover internal rotation.

3. The support of claim 2, characterized in that, first structure of turning to includes first bevel gear set, the second structure of turning to includes second bevel gear set, first bevel gear set includes mutually perpendicular and meshed first bevel gear and second bevel gear, the fixed cover of first bevel gear is located the hand pole, second bevel gear set includes mutually perpendicular and meshed third bevel gear and fourth bevel gear, second bevel gear set locate in the last stand, and with it is in to go up the stand fixed connection on the extending direction of last stand, the pivot is fixed to be worn to locate second bevel gear and third bevel gear, the lifter is fixed to be worn to locate the fourth bevel gear, first bevel gear be used for rotate and drive when the hand pole rotates the second bevel gear rotates, and drive the rotatory and third bevel gear of pivot, and then drive with fourth bevel gear fixed connection's lifter is in the intraductal rotation, the lifter is along being close to or keeping away from the direction motion of sheathed tube.

4. The bracket according to claim 3, wherein the upper column includes a first upper column and a second upper column disposed in parallel, opposite ends of the mounting assembly are respectively fixedly connected to the first upper column and the second upper column, the lower column includes a first lower column and a second lower column disposed in parallel, the steering transmission assembly includes two second bevel gear sets, the two second bevel gear sets are respectively disposed in the first upper column and the second upper column and respectively fixedly connected to the first upper column and the second upper column in an extending direction of the first upper column, the rotating shaft is fixedly inserted through the two second bevel gear sets and extends out of a side of the second upper column away from the first upper column, the first bevel gear set is fixedly sleeved on a portion of the rotating shaft extending out of the second upper column, the bracket further includes two lifting rods and two sleeves, the two lifting rods are respectively rotatably connected to the two second bevel gear sets, and the two sleeves are respectively fixed in the first lower column and the second lower column and respectively sleeved on the two lifting columns.

5. The bracket according to claim 4, wherein the first steering structure further comprises a first bevel gear set fixing member fixedly disposed on one side of the second upper column far away from the first upper column, the first bevel gear set fixing member comprises a first fixing member main body, and a first bearing and a second bearing fixed in the first fixing member main body, the first fixing member main body is fixedly connected with one side of the second upper column far away from the first upper column, the first bevel gear is disposed in the first fixing member main body and penetrates through the first bearing, the first bevel gear is fixedly connected with the first fixing member main body in the extending direction of the upper column, the second bevel gear is disposed in the first fixing member main body and penetrates through the second bearing, and the second bevel gear is fixedly connected with the first fixing member main body in the extending direction of the upper column.

6. The bracket according to claim 4, wherein the second steering structure further comprises two second bevel gear set fixing members respectively fixed to the first upper column and the second upper column, each second bevel gear set fixing member comprises a second fixing member main body and a third bearing and a fourth bearing fixed to the second fixing member main body, the two second fixing member main bodies are respectively fixedly connected to the first upper column and the second upper column, a third bevel gear of each second bevel gear set is arranged in the second fixing member main body and penetrates through the first bearing in the second fixing member main body, the third bevel gear is fixedly connected to the second fixing member main body in the extending direction of the upper column, a fourth bevel gear of each second bevel gear set is arranged in the second fixing member main body and penetrates through the second bearing in the second fixing member main body, and the fourth bevel gear is fixedly connected to the second fixing member main body in the extending direction of the upper column.

7. The support according to claim 5, further comprising a fixing frame fixedly disposed on a side of the second upper column away from the first upper column and fixedly connected to the first bevel gear set fixing member, such that the first bevel gear set fixing member is fixedly connected to the second upper column.

8. The bracket according to claim 4, further comprising a first connecting member, a fixing plate and an anti-tilting structure, wherein the first connecting member is connected between the first upper vertical column and the second upper vertical column, the anti-tilting structure is fixedly connected with the first connecting member and movably connected with the fixing plate, the fixing plate is located on one side, away from the mounting assembly, of the first connecting member, the fixing plate comprises a main body portion and an abutting portion fixedly connected with the main body portion, the main body portion is used for being fixed on a wall, the anti-tilting structure comprises a movable member, the movable member is abutted with one side, close to the wall, of the abutting portion, and the movable member is used for moving on one side, close to the wall, of the abutting portion in the same direction when the lifting rod moves in a direction close to or far away from the sleeve.

9. The bracket according to claim 1, further comprising an adjusting member, wherein the adjusting member comprises an installation portion and a bending portion connected with the installation portion at an included angle, the installation portion is installed and fixed on a side surface of the lower upright, and the bending portion is used for being fixed on a wall body, so that the lower upright is fixedly connected with the wall body.

10. The bracket according to claim 9, wherein the mounting portion is provided with a plurality of first mounting holes, and the plurality of first mounting holes are spaced from the bent portion at different distances, so that when the bent portion is fixed on the wall, the plurality of first mounting holes are spaced from the wall at different distances, and a second mounting hole is formed in a side surface of the lower upright, and the second mounting hole is used for being connected with the different first mounting holes to adjust the distance between the lower upright and the wall.

11. The support according to claim 1, wherein the upper column and the lower column are both tubular, the pipe diameter of the upper column is smaller than that of the lower column, the support further comprises an upper pipe sleeve and a lower pipe sleeve, the upper pipe sleeve is fixedly sleeved on the end portion, close to the lower column, of the upper column, the pipe diameter of the upper pipe sleeve is smaller than that of the lower column, the lower pipe sleeve is fixedly arranged on the inner wall, close to the end portion, of the lower column, and the pipe diameter of the lower pipe sleeve is larger than that of the upper column.

12. The bracket of claim 4, further comprising at least one second connector connected between the first lower upright and the second lower upright to secure the first lower upright and the second lower upright.

13. The bracket according to claim 1, wherein the mounting assembly comprises a fixing member and a card hanging member, the card hanging member is used for mounting a display, the card hanging member is provided with a first card hanging groove and a second card hanging groove, the fixing member comprises a first protruding portion and a second protruding portion, the first protruding portion is inserted into the first card hanging groove, the second protruding portion is inserted into the second card hanging groove, so that the card hanging member is hung on the fixing member, the card hanging member further comprises a locking member, the locking member is arranged on one side, away from the first card hanging groove, of the second card hanging groove, the end portion of the locking member abuts against the fixing member, and the card hanging member is fixed on the fixing member.

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