Display lifting support
By using a design that combines gear and rack meshing with frictional support, the high cost and large size of monitor lift stands have been solved, resulting in a lower-cost and smaller monitor lift stand.
Patent Information
- Application Number
- CN202511108918.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-08
- Publication Date
- 2025-11-21
AI Technical Summary
Existing monitor lift stands are expensive and bulky due to the use of constant force springs, making it impossible to effectively reduce costs.
It adopts a gear and rack meshing structure, and supports the weight of the display through the friction between the gear and the rotating shaft. The display can be raised and lowered by the linkage design of the locking teeth and the toggle block, avoiding the dependence on constant force spring.
The cost and size of the monitor lift stand have been reduced, while also minimizing space usage and providing a more flexible height adjustment method.
Smart Images
Figure CN120991183A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of display support, in particular to a display lifting support. BACKGROUND
[0002] Display is a common device for presenting electronic information, and users usually install it on a display lifting support to adjust the height of the display through the display lifting support to obtain a better viewing experience.
[0003] In the prior art, a constant force spring is arranged in the display lifting support, which provides a constant elastic force to overcome the gravity of the display, so that the user can adjust the height of the display with a smaller force. However, the existence of the constant force spring will cause the cost of the display lifting support to be too high, and the installation of the constant force spring will occupy a large space, resulting in the volume of the display lifting support being too large. SUMMARY
[0004] The present application aims to at least solve one of the technical problems existing in the prior art. To this end, the present application provides a display lifting support which can reduce the cost and volume.
[0005] The display lifting support provided by the present application comprises a fixed mechanism comprising a fixed seat and a rack arranged on the fixed seat; and a movable mechanism comprising a movable seat, a gear, a rotating shaft and a linkage block, wherein the movable seat is in sliding cooperation with the fixed seat, the rotating shaft is in rotational cooperation with the movable seat and has a friction force capable of supporting a display between the rotating shaft and the movable seat, the linkage block is circumferentially and oppositely arranged on the rotating shaft, the gear is in rotational cooperation with the rotating shaft and is engaged with the rack, the gear is provided with a clamping tooth, the linkage block is provided with a clamping block and a rotating block which are opposite and rotatable, and the clamping block and the rotating block are adjacent in the circumferential direction; when the gear rises along the rack, the clamping tooth can push the rotating block to rotate away from the clamping block to make the rotating block move away from the movement path of the clamping tooth, and the gear and the rotating shaft rotate relatively; when the gear descends along the rack, the clamping tooth can push the rotating block to rotate towards the clamping block, so that the clamping tooth, the rotating block and the clamping block are sequentially abutted, and the gear and the rotating shaft rotate synchronously.
[0006] The display lifting support provided by the present application has at least the following beneficial effects: By setting the gear on the movable seat and the rack on the fixed seat, the gear meshes with the rack, so that the movable seat can be lifted relative to the fixed seat, meanwhile, the rotating shaft and the linkage block are set, the rotating shaft is rotationally matched with the movable seat and has friction force capable of supporting the display between them, the linkage block is circumferentially and relatively fixedly set on the rotating shaft, the pawl is set on the gear, the relatively fixed clamping block and the relatively rotatable pushing block are set on the linkage block, the clamping block and the pushing block are adjacent in the circumferential direction, when the gear is lifted along the rack, the pawl can push the pushing block to rotate away from the side of the clamping block, so that the pushing block leaves the movement path of the pawl, the gear can rotate freely relative to the rotating shaft, and the user can use smaller force to adjust the height of the display in the lifting process, and when the gear is lowered along the rack, the pawl can push the pushing block to rotate towards the side close to the clamping block, so that the pawl, the pushing block and the clamping block abut in turn, the gear and the rotating shaft rotate synchronously, in the lowering process, the friction force between the rotating shaft and the movable seat can support the display, and the user only needs to provide external force to overcome the friction force to adjust the height of the display, since the constant force spring does not need to be set, the space occupation is reduced, the volume is reduced, and the cost is relatively lower.
[0007] In an embodiment of the embodiment, the gear is provided with a rotating hole, the linkage block is rotationally matched with the rotating hole, and the pawl is formed on the inner wall of the rotating hole. One end surface of the linkage block is provided with the clamping block and the pushing block and abuts against the pawl, and the other end surface of the linkage block abuts against the movable seat.
[0008] In an embodiment of the embodiment, the movable mechanism comprises a matching block, the matching block is circumferentially and relatively fixedly sleeved on the rotating shaft and rotationally matched with the rotating hole, one end surface of the matching block abuts against the pawl, and the other end surface of the matching block abuts against the movable seat.
[0009] In an embodiment of the embodiment, the movable seat is provided with a first friction plate abutting against the matching block; and / or, the movable seat is provided with a second friction plate abutting against the linkage block.
[0010] In an embodiment of the embodiment, the movable mechanism comprises a rotating rod, one end of the rotating rod is connected with the matching block, the other end of the rotating rod is connected with the linkage block, and the pushing block is relatively rotatably sleeved on the rotating rod.
[0011] In an embodiment of the embodiment, the matching block and the linkage block are both provided with mounting grooves, and the two ends of the rotating rod are respectively mounted in the corresponding mounting grooves.
[0012] In one embodiment of the implementation, the rotating shaft comprises a shaft body and an adjusting member, one end of the shaft body abuts against the outer side of the movable seat, the other end penetrates through the movable seat and the linkage block, and cooperates with the adjusting member, and the adjusting member is used for adjusting the pressure between the shaft body and the movable seat.
[0013] In one embodiment of the implementation, the movable mechanism comprises a first friction block, one end of the shaft body away from the adjusting member is provided with a boss, and the first friction block is sleeved on the shaft body and located between the boss and the movable seat.
[0014] In one embodiment of the implementation, the movable seat is provided with a third friction sheet abutting against the first friction block.
[0015] In one embodiment of the implementation, the movable mechanism comprises a second friction block, the second friction block is sleeved on the shaft body and located between the adjusting member and the movable seat.
[0016] In one embodiment of the implementation, the movable seat is provided with a fourth friction sheet abutting against the second friction block.
[0017] In one embodiment of the implementation, the clamping tooth comprises an avoiding surface and an abutting surface, the avoiding surface is used for abutting against the pushing block when the gear rises along the rack, the avoiding surface is perpendicular to the radial direction, the abutting surface is used for abutting against the pushing block when the gear descends along the rack, and the abutting surface is parallel to the radial direction.
[0018] In one embodiment of the implementation, the number of the clamping tooth, the pushing block and the clamping block is multiple, and they are one-to-one corresponding.
[0019] Additional aspects and advantages of the application will be made apparent by the following description and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS
[0020] The application will be further described below in conjunction with the drawings and embodiments, wherein: Figure 1 is a structural schematic view of a display lifting support under one embodiment of the implementation of the application; Figure 2 is a structural schematic view of a movable mechanism in the display lifting support of Figure 1 ; Figure 3 is a structural schematic view of a fixed mechanism in the display lifting support of Figure 1 ; Figure 4 is a structural schematic view of a fixed mechanism in the display lifting support of Figure 2Fig. 2 is a structural schematic diagram of the activity mechanism (hidden activity seat) in the disassembled state of the display lifting support of the present application; Figure 5 Fig. 3 is a structural schematic diagram of the gear and the rack and the associated other components in the display lifting support of the present application in the cross-sectional state; Figure 1 Figure 6 Fig. 4 is a structural schematic diagram of the activity mechanism in the cross-sectional state of the display lifting support of the present application; Figure 4 Figure 7 Fig. 5 is a structural schematic diagram of the rotating shaft, the activity seat and the associated other components in the activity mechanism of the display lifting support of the present application in the disassembled state; Figure 2 Figure 8 Fig. 6 is a structural schematic diagram of the rotating shaft, the activity seat and the associated other components in the activity mechanism of the display lifting support of the present application in the disassembled state from another perspective. Figure 2 Reference signs:
[0021] Display lifting support 100; Fixed mechanism 10; fixed seat 11; rack 12; Activity mechanism 20; activity seat 21; first friction plate 211; second friction plate 212; third friction plate 213; fourth friction plate 214; gear 22; clamping tooth 221; avoiding surface 2211; abutting surface 2212; rotating hole 2201; rotating shaft 23; shaft body 231; boss 2311; adjusting piece 232; linkage block 24; clamping block 241; pushing block 242; mounting groove 2401; matching block 25; rotating rod 26; first friction block 27; second friction block 28; washer 29; Mounting seat 31; sliding block 32. DETAILED DESCRIPTION
[0022] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only, for the purpose of explaining the present application, and should not be understood as a limitation of the present application.
[0023] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be understood as a limitation of the present application.
[0024] In the description of the present application, if several meanings are contained in one, the meaning of multiple is two or more, greater than, less than, more than, etc. are understood as not including the number, above, below, within, etc. are understood as including the number. If it is described as first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.
[0025] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.
[0026] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0027] Please refer to Figures 1 to 5 , Figure 1 is a structural schematic diagram of the display lifting support 100 under an embodiment of an embodiment of the present application; Figure 2 is Figure 1 a structural schematic diagram of the movable mechanism 20 in the display lifting support 100 of Figure 3 is Figure 1 a structural schematic diagram of the fixed mechanism 10 in the display lifting support 100 of Figure 4 is Figure 2 a structural schematic diagram of the movable mechanism 20 (hidden movable seat 21) in the display lifting support 100 of Figure 5 is Figure 1This is a cross-sectional structural diagram of the gear 22, rack 12, and other associated components in a monitor lifting bracket 100. The present invention provides a monitor lifting bracket 100, which includes a fixing mechanism 10 and a movable mechanism 20. The fixing mechanism 10 includes a fixing seat 11 and a rack 12 disposed on the fixing seat 11. The movable mechanism 20 includes a movable seat 21, a gear 22, a rotating shaft 23, and a linkage block 24. The movable seat 21 is slidably engaged with the fixing seat 11, and the rotating shaft 23 is rotatably engaged with the movable seat 21, with friction between them capable of supporting the monitor. The linkage block 24 is circumferentially fixedly disposed on the rotating shaft 23. The gear 22 is rotatably engaged with the rotating shaft 23 and meshes with the rack 12. The gear 22 has locking teeth 221. The linkage block 24 has a relatively fixed locking block 241 and a relatively rotatable lever block 242, which are adjacent to each other circumferentially.
[0028] When gear 22 rises along rack 12, locking tooth 221 can push lever 242 to rotate away from locking block 241, so that lever 242 leaves the movement path of locking tooth 221, and gear 22 and rotating shaft 23 rotate relative to each other; when gear 22 falls along rack 12, locking tooth 221 can push lever 242 to rotate closer to locking block 241, so that locking tooth 221, lever 242 and locking block 241 abut in sequence, and gear 22 and rotating shaft 23 rotate synchronously.
[0029] Specifically, the movable base 21 is equipped with a mounting base 31 for mounting the display, allowing the fixed base 11 to move the display up and down. The movable base 21 has a slider 32, and the fixed base 11 has a sliding groove (not shown). The slider 32 slides into the sliding groove to guide the movable base 21 and the fixed base 11, allowing the movable base 21 to slide vertically relative to the fixed base 11. The rack 12 extends parallel to the vertical direction.
[0030] Specifically, frictional force capable of overcoming the gravity of the display can be provided for the rotating shaft 23 by means of a friction ring, friction plate, damper, or other structure between the rotating shaft 23 and the movable seat 21. In this embodiment, the movable seat 21 has two shaft holes. The rotating shaft 23 passes through one of the shaft holes from one side, passes through the gear 22 and the linkage block 24, and exits from the other shaft hole.
[0031] Understandably, please refer to the following for details. Figure 5 , Figure 5 The structure shown is in a state of no external interference. The locking teeth 221, the lever 242 and the locking block 241 abut against each other in a clockwise direction. The friction between the rotating shaft 23 and the movable seat 21 overcomes the gravity of the display, so that the gear 22 and the rack 12 are relatively stationary and the display stays at the current height.
[0032] When the gear 22 rises along the rack 12 (adjusting the height of the display), the gear 22 rotates in the counterclockwise direction, and during the first rotation of the gear 22, the tooth 221 can pass the block 241 and push the block 242 to rotate in the counterclockwise direction as well, so that the block 242 is out of the movement path of the tooth 221, and during the n-th rotation (n>1) of the gear 22, the tooth 221 does not interfere with the block 242 and the block 241. Therefore, during the process, the gear 22 can rotate relative to the rotating shaft 23, and the user does not need to overcome the friction between the rotating shaft 23 and the movable seat 21. When the height of the display is adjusted to the position, under the gravity of the display, the gear 22 will descend along the rack 12 by a certain height, and the gear 22 rotates in the clockwise direction by a certain angle, so that the tooth 221, the block 242 and the block 241 re- abut in the clockwise direction in turn, and the friction between the rotating shaft 23 and the movable seat 21 overcomes the gravity of the display.
[0033] When the gear 22 descends along the rack 12 (adjusting the height of the display), the gear 22 rotates in the clockwise direction, and because the tooth 221, the block 242 and the block 241 abut in the clockwise direction in turn, the gear 22 needs to drive the rotating shaft 23 to rotate relative to the movable seat 21, so the user needs to exert an external force greater than the friction between the rotating shaft 23 and the movable seat 21 to realize the height adjustment of the display.
[0034] By setting the gear 22 on the movable seat 21, setting the rack 12 on the fixed seat 11, and engaging the gear 22 with the rack 12, the movable seat 21 can be lifted and lowered relative to the fixed seat 11. Meanwhile, the rotating shaft 23 and the linkage block 24 are set, the rotating shaft 23 is in rotational cooperation with the movable seat 21 and has a friction force capable of supporting the display, the linkage block 24 is circumferentially and relatively fixedly set on the rotating shaft 23, the tooth 221 is set on the gear 22, the block 241 and the block 242 are relatively fixedly set on the linkage block 24, and the block 241 and the block 242 are adjacent in the circumferential direction. When the gear 22 rises along the rack 12, the tooth 221 can drive the block 242 to rotate away from the block 241, so that the block 242 is out of the movement path of the tooth 221, and the gear 22 can rotate freely relative to the rotating shaft 23, and the user can use smaller force to adjust the height of the display during the lifting process without overcoming the friction between the rotating shaft 23 and the movable seat 21. When the gear 22 descends along the rack 12, the tooth 221 can drive the block 242 to rotate towards the block 241, so that the tooth 221, the block 242 and the block 241 abut in turn, the gear 22 and the rotating shaft 23 rotate synchronously, and during the descending process, the friction between the rotating shaft 23 and the movable seat 21 can support the display, and the user only needs to provide an external force to overcome the friction to adjust the height of the display. Because a constant force spring is not needed, the space occupation is reduced, the volume is reduced, and the cost is relatively lower.
[0035] In one embodiment of the embodiment, referring to Figure 4 and Figure 6 , Figure 6 is Figure 4 a schematic view of the structure of the movable mechanism 20 in a sectional state. The gear 22 is provided with a rotating hole 2201, the linkage block 24 is rotationally fitted in the rotating hole 2201, the clamping tooth 221 is formed on the inner wall of the rotating hole 2201, one end surface of the linkage block 24 is provided with the clamping block 241 and the pushing block 242, and abuts against the clamping tooth 221, and the other end surface of the linkage block 24 abuts against the movable seat 21. In this way, on the one hand, the gear 22 can be rotationally fitted with the rotating shaft 23 through the linkage block 24, and the linkage block 24 is installed in the gear 22, thereby saving space and being conducive to reducing the volume of the support, and on the other hand, the clamping block 241 and the pushing block 242 are arranged on one end surface of the linkage block 24, and the clamping tooth 221 is arranged on the inner wall of the rotating hole 2201, so that the clamping block 241, the pushing block 242 and the clamping tooth 221 are in the same plane, facilitating the clamping tooth 221 to push the pushing block 242 or the clamping block 241 and the pushing block 242 to block the clamping tooth 221, and one end surface of the linkage block 24 abuts against the clamping tooth 221 and the other end surface abuts against the movable seat 21, so that friction can be provided to the rotating shaft 23 through the contact between the linkage block 24 and the movable seat 21 and the contact between the linkage block 24 and the clamping tooth 221.
[0036] In one embodiment of the embodiment, referring to Figure 4 and Figure 6 , the movable mechanism 20 comprises the fitting block 25, the fitting block 25 is circumferentially and oppositely fixedly sleeved on the rotating shaft 23 and rotationally fitted with the rotating hole 2201, one end surface of the fitting block 25 abuts against the clamping tooth 221, and the other end surface of the fitting block 25 abuts against the movable seat 21. In this way, on the one hand, the fitting block 25 is installed in the gear 22, thereby saving space and providing more stable rotational fitting for the gear 22, and on the other hand, one end surface of the fitting block 25 abuts against the clamping tooth 221 and the other end surface abuts against the movable seat 21, so that friction can be provided to the rotating shaft 23 through the contact between the fitting block 25 and the movable seat 21 and the contact between the fitting block 25 and the clamping tooth 221, thereby further improving the load-bearing capacity of the display, and the fitting block 25 can limit the gear 22 in the axial direction together with the linkage block 24, thereby avoiding the gear 22 from shaking during lifting.
[0037] In one embodiment of the embodiment, referring to Figure 6 and Figure 8 , Figure 8 is Figure 2Figure 6 is a structural schematic view of the rotating shaft 23, the movable seat 21 and other related components in the activity mechanism 20 in an exploded state from another perspective. The movable seat 21 is provided with a first friction sheet 211 abutting against the matching block 25. In this way, the friction between the matching block 25 and the movable seat 21 can be further increased by the first friction sheet 211.
[0038] Figure 7 is a structural schematic view of the rotating shaft 23, the movable seat 21 and other related components in the activity mechanism 20 in an exploded state from another perspective. Figure 6 and Figure 7 , Figure 7 is Figure 2 Figure 8 is a structural schematic view of the rotating shaft 23, the movable seat 21 and other related components in the activity mechanism 20 in an exploded state from another perspective. The movable seat 21 is provided with a second friction sheet 212 abutting against the linkage block 24. In this way, the friction between the linkage block 24 and the movable seat 21 can be further increased by the second friction sheet 212.
[0039] Figure 9 is a structural schematic view of the rotating shaft 23, the movable seat 21 and other related components in the activity mechanism 20 in an exploded state from another perspective. Figure 4 The activity mechanism 20 comprises a rotating rod 26, one end of the rotating rod 26 is connected with the matching block 25, the other end of the rotating rod 26 is connected with the linkage block 24, and the knob 242 is sleeved on the rotating rod 26 in a rotatable manner. In this way, the relative rotation between the knob 242 and the linkage block 24 can be realized, and the connection strength of the matching block 25, the linkage block 24 and the rotating shaft 23 is improved.
[0040] In this embodiment, the matching block 25 and the linkage block 24 are both provided with an installation groove 2401, and the rotating rod 26 extends in the axial direction and the two ends of the rotating rod 26 are respectively installed in the corresponding installation grooves 2401.
[0041] Figure 10 is a structural schematic view of the rotating shaft 23, the movable seat 21 and other related components in the activity mechanism 20 in an exploded state from another perspective. Figure 4 , Figures 6 to 8 The rotating shaft 23 comprises a shaft body 231 and an adjusting piece 232, one end of the shaft body 231 abuts against the outer side of the movable seat 21, the other end of the shaft body 231 passes through the movable seat 21 and the linkage block 24 and cooperates with the adjusting piece 232, and the adjusting piece 232 is used for adjusting the pressure between the shaft body 231 and the movable seat 21. In this way, on the one hand, the friction between the rotating shaft 23 and the movable seat 21 can be increased by the contact between the rotating shaft 23 and the outer side of the movable seat 21, and on the other hand, the size of the friction can be adjusted by the adjusting piece 232 to avoid the situation that the friction is too large to cause adjustment difficulty, and the situation that the friction is too small to support the display.
[0042] In this embodiment, the adjusting member 232 is configured as a nut, the shaft body 231 is configured as a screw, the head of the screw abuts against one side of the movable seat 21, the rod of the screw passes through the movable seat 21, the nut abuts against the other side of the movable seat 21 and is threadedly connected with the nut, and the user can adjust the pressure between the rotating shaft 23 and the movable seat 21 by rotating the nut, so as to adjust the friction between the rotating shaft 23 and the movable seat 21. It should be noted that the screw is rotationally connected with the movable seat 21 and is axially fixedly connected with the cooperating block 25 and the linkage block 24.
[0043] In one embodiment of this embodiment, please refer to Figure 4 、 Figure 6 and Figure 8 , in order to improve the friction between the rotating shaft 23 and the movable seat 21, the movable mechanism 20 comprises a first friction block 27, one end of the shaft body 231 away from the adjusting member 232 is provided with a boss 2311, the first friction block 27 is sleeved on the shaft body 231 and located between the boss 2311 and the movable seat 21.
[0044] In this embodiment, in order to further improve the friction between the rotating shaft 23 and the movable seat 21, the movable seat 21 is provided with a third friction sheet 213 abutting against the first friction block 27.
[0045] In this embodiment, the movable mechanism 20 further comprises a gasket, the gasket is sleeved on the shaft body 231 and located between the first friction block 27 and the boss 2311. It can be understood that the boss 2311 can provide stable pressure to the first friction block 27 through the gasket, so that the first friction block 27 can be fully attached to the third friction sheet 213.
[0046] In one embodiment of this embodiment, please refer to Figure 4 、 Figure 6 and Figure 7 , in order to improve the friction between the rotating shaft 23 and the movable seat 21, the movable mechanism 20 comprises a second friction block 28, the second friction block 28 is sleeved on the shaft body 231 and located between the adjusting member 232 and the movable seat 21.
[0047] In this embodiment, in order to further improve the friction between the rotating shaft 23 and the movable seat 21, the movable seat 21 is provided with a fourth friction sheet 214 abutting against the second friction block 28.
[0048] In one embodiment of this embodiment, please refer to Figure 5The catch tooth 221 comprises an avoiding surface 2211 and an abutting surface 2212. The avoiding surface 2211 is used to abut against the push block 242 when the gear 22 is ascending along the rack 12, and the avoiding surface 2211 is perpendicular to the radial direction. The abutting surface 2212 is used to abut against the push block 242 when the gear 22 is descending along the rack 12, and the abutting surface 2212 is parallel to the radial direction. It can be understood that the avoiding surface 2211 perpendicular to the radial direction can better avoid the push block 242 after pushing the push block 242, and the abutting surface 2212 parallel to the radial direction can better abut against the push block 242 after pushing the push block 242.
[0049] In an embodiment of the embodiment, please refer to Figure 4 and Figure 5 The number of the catch tooth 221, the push block 242 and the catch block 241 is multiple, and they are arranged one by one. In this way, on the one hand, the contact between the linkage block 24 and the gear 22 is sufficient, and the display can be better supported, on the other hand, the height of the display can be reduced after the height of the display is adjusted to the position and then automatically falls (when the height of the display is adjusted to the position, the gear 22 will descend a certain height along the rack 12 under the gravity of the display).
[0050] In the embodiment, the number of the catch tooth 221, the push block 242 and the catch block 241 is four, and the four groups of the catch tooth 221, the push block 242 and the catch block 241 are distributed along 90 degrees in the circumferential direction.
[0051] The embodiments of the application are described in detail above in combination with the drawings, but the application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the application. In addition, the embodiments of the application and the features in the embodiments can be combined with each other without conflict.
Claims
1. A display lifting support (100) characterized by, The utility model relates to a display device, including: Fixed mechanism (10), including fixed seat (11) and the rack (12) of setting on fixed seat (11); Movable mechanism (20), including movable seat (21), gear (22), pivot (23) and linkage block (24), movable seat (21) with fixed seat (11) sliding fit, pivot (23) with movable seat (21) rotation fit, and between friction force can support display, linkage block (24) circumferential opposite fixedly set in pivot (23), gear (22) with pivot (23) rotation fit, and with rack (12) meshing, gear (22) are equipped with pawl (221), linkage block (24) are equipped with opposite fixed block (241) and rotatable dial block (242), pawl (221) and dial block (242) circumferential adjacent; Wherein, when gear (22) rises along rack (12), pawl (221) can push dial block (242) rotates to one side away from block (241) to make dial block (242) leave the motion path of pawl (221), gear (22) and pivot (23) relative rotation;When gear (22) descends along rack (12), pawl (221) can push dial block (242) rotates to one side close to block (241) to make pawl (221), dial block (242) and block (241) abut in turn, gear (22) and pivot (23) synchronous rotation.
2. The display lift support (100) of claim 1, wherein, Gear (22) is provided with rotation hole (2201), linkage block (24) rotation fit in rotation hole (2201), pawl (221) is formed to the inner wall of rotation hole (2201), one end surface of linkage block (24) is equipped with block (241) and dial block (242), and is abutted with pawl (221), the other end surface of linkage block (24) is abutted with movable seat (21).
3. The display lift support (100) of claim 2, wherein, Movable mechanism (20) includes cooperation block (25), cooperation block (25) circumferential opposite fixedly sleeve set in pivot (23) and rotation fit with rotation hole (2201), one end surface of cooperation block (25) is abutted with pawl (221), the other end surface of cooperation block (25) is abutted with movable seat (21).
4. The display lift support (100) of claim 3, wherein, Movable seat (21) is equipped with the first friction piece (211) of abutment with cooperation block (25);And / or, movable seat (21) is equipped with the second friction piece (212) of abutment with linkage block (24).
5. The display lift support (100) of claim 3, wherein, Movable mechanism (20) includes rotation rod (26), one end of rotation rod (26) is connected with cooperation block (25), the other end is connected with linkage block (24), dial block (242) can be relatively rotatably sleeve set in rotation rod (26).
6. The display lift support (100) of claim 1, wherein, The rotating shaft (23) comprises a shaft body (231) and an adjusting piece (232), one end of the shaft body (231) abuts against the outer side of the movable seat (21), the other end passes through the movable seat (21) and the linkage block (24), and is matched with the adjusting piece (232), and the adjusting piece (232) is used for adjusting the pressure between the shaft body (231) and the movable seat (21).
7. The display lift support (100) of claim 6, wherein, The movable mechanism (20) comprises a first friction block (27), one end of the shaft body (231) away from the adjusting piece (232) is provided with a boss (2311), the first friction block (27) is sleeved on the shaft body (231) and located between the boss (2311) and the movable seat (21).
8. The display lift support (100) of claim 6, wherein, The movable mechanism (20) comprises a second friction block (28), the second friction block (28) is sleeved on the shaft body (231) and located between the adjusting piece (232) and the movable seat (21).
9. The display lift support (100) of claim 1, wherein, The clamping tooth (221) comprises an avoiding surface (2211) and an abutting surface (2212), the avoiding surface (2211) is used for abutting against the pushing block (242) when the gear (22) rises along the rack (12), the avoiding surface (2211) is perpendicular to the radial direction, and the abutting surface (2212) is used for abutting against the pushing block (242) when the gear (22) descends along the rack (12), and the abutting surface (2212) is parallel to the radial direction.
10. The display lift support (100) of claim 1, wherein, The number of the clamping tooth (221), the pushing block (242) and the clamping block (241) is multiple, and they are arranged one by one in a one-to-one correspondence.