CN117685472B - Conference room display screen bottom level adjustment mechanism - Google Patents
Conference room display screen bottom level adjustment mechanism Download PDFInfo
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- CN117685472B CN117685472B CN202410152398.4A CN202410152398A CN117685472B CN 117685472 B CN117685472 B CN 117685472B CN 202410152398 A CN202410152398 A CN 202410152398A CN 117685472 B CN117685472 B CN 117685472B
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Abstract
The invention relates to the technical field of display screens, in particular to a conference room display screen bottom horizontal adjusting mechanism, which aims at the problem that after a display screen moves to a designated position, the display screen cannot be in a horizontal state due to the fact that the ground is uneven; when encountering uneven road surfaces, the display screen can be quickly leveled according to requirements, and the use experience of users is improved.
Description
Technical Field
The invention relates to the technical field of display screens, in particular to a conference room display screen bottom horizontal adjusting mechanism.
Background
Meeting room displays play an important role in the meeting environment of modern enterprises and organizations, and are commonly used for displaying presentations, data visualizations, video conferences and other types of information, thereby improving the meeting efficiency and communication quality; the display is used for displaying various data charts, statistical information, pictures, manuscripts and the like in information, helping the participants to quickly know key data and trends, and better supporting decision making process. At present, a conference room display screen generally has a moving function, is convenient for better explanation, communication and use when moving to a designated position, and cannot be in a horizontal state due to uneven ground after moving to the designated position; for this purpose, a mechanism for adjusting the level of the bottom of the display screen of the conference room is designed to solve the above-mentioned problems.
Disclosure of Invention
The invention provides a conference room display screen bottom horizontal adjusting mechanism aiming at the problem that the display screen cannot be in a horizontal state due to the uneven ground after the display screen moves to a designated position, and the display screen can be quickly leveled according to requirements when meeting an uneven road surface, so that the use experience of a user is improved, and the problems in the background technology are effectively solved.
The technical scheme adopted by the invention for solving the problems is as follows:
The utility model provides a meeting room display screen bottom level adjustment mechanism, includes the base, the base lower extreme is equipped with moving mechanism, the base upper end is equipped with level adjustment mechanism, level adjustment mechanism includes the ball round pin with the base rigid coupling, ball round pin upper end ball joint has the adjustment table, the display is installed on the adjustment table, level adjustment mechanism still includes a plurality of threaded rods that can upwards move, the threaded rod upper end is equipped with respectively with adjustment table matched with spheroid, the base upper end still is equipped with locking device, locking device includes a plurality of screw thread cassette that match and can remove with the threaded rod, can constitute the fixed structure of adjustment table when threaded rod meshes with screw thread cassette mutually, the screw thread cassette removes to the structure that can constitute adjustment table multi-angle regulation when breaking away from the meshing with the threaded rod.
The left side and the right side of the upper end surface of the base are respectively and slidably connected with a long sliding plate, the front end surfaces of the two long sliding plates are fixedly connected with a pulling plate capable of moving back and forth, the middle part of the front end surfaces of the pulling plate is fixedly connected with a pull ring, the upper end surfaces of the base are respectively and fixedly connected with four vertical plates which are uniformly distributed, the inner walls of the vertical plates are respectively and slidably connected with an extension plate, the thread clamping seats are respectively and fixedly connected on the corresponding extension plates, the lower end surfaces of the extension plates are respectively and fixedly connected with first sliding pins, and inclined sliding grooves matched with the first sliding pins are respectively formed in the front side and the rear side of the upper end surfaces of the long sliding plates.
The surface of the upper end of the base is fixedly connected with a first baffle seat, the surface of the front end of the first baffle seat is fixedly connected with a first tension spring, and the other end of the first tension spring is fixedly connected on the pull plate.
The ball pin is fixedly connected to the middle of the upper end surface of the base, and a ball seat matched with the ball pin is fixedly connected to the inner wall of the center of the adjusting table.
Four uniformly distributed polygonal guide rods are fixedly connected to the upper end surface of the base, the threaded rods are respectively sleeved on the outer surfaces of the corresponding polygonal guide rods, spring pads are respectively fixedly connected to the lower end surfaces of the threaded rods, and first springs matched with the spring pads are respectively sleeved on the outer surfaces of the polygonal guide rods.
The adjusting table is characterized in that the surface of the upper end of the adjusting table is fixedly connected with a telescopic rod, the upper end of the telescopic rod is fixedly connected with a first U-shaped seat, a cross shaft is arranged on the first U-shaped seat, a display is arranged on the cross shaft, an adjusting device matched with the telescopic rod is arranged on the cross shaft, the adjusting device comprises two first handles capable of synchronously rotating, and the first handles can form a structure that the display moves up and down or swings left and right when rotating.
The telescopic rod comprises an inner rod and an outer cylinder, the inner rod is slidably connected to the inner wall of the outer cylinder, the first rotary shaft is rotatably connected to the inner wall of the upper end of the inner rod, a crank is arranged at the lower end of the outer surface of the first rotary shaft, the other end of the crank is hinged to a first connecting rod, a long guide rod is hinged to the other end of the first connecting rod and slidably connected with the inner rod, a baffle is fixedly connected to the lower end surface of the long guide rod, two second connecting rods inclining towards the outer side of the lower end are hinged to the lower end surface of the baffle, clamping pins slidably connected with the inner rod are hinged to the other ends of the two second connecting rods respectively, and a plurality of clamping grooves matched with the clamping pins are formed in the inner wall of the outer cylinder.
The lower end of the outer surface of the long guide rod is sleeved with a second spring matched with the baffle plate, one end of the second spring is fixedly connected with the inner wall of the inner rod, and the other end of the second spring is fixedly connected with the baffle plate.
Two limiting seats are fixedly connected to the left end surface and the right end surface of the first U-shaped seat respectively, a connecting plate is connected to the inner walls of the two limiting seats in a sliding manner, a second sliding pin is fixedly connected to the lower end surface of the connecting plate, cylindrical cams are fixedly connected to the inner side end surfaces of the two first handles respectively, and arc-shaped grooves matched with the second sliding pins are formed in the outer surfaces of the cylindrical cams respectively; the cross shaft is rotationally connected to the inner wall of the first U-shaped seat, the left end surface and the right end surface of the first U-shaped seat are fixedly connected with first internal gears respectively, tooth-shaped clamping plates matched with the first internal gears are respectively installed at the left end and the right end of the cross shaft, and the tooth-shaped clamping plates are rotationally connected to corresponding connecting plates respectively.
The cross shaft comprises a transverse shaft and a vertical shaft, square guide rods which are in sliding connection with the transverse shaft are fixedly connected to the inner side end surfaces of the two tooth-shaped clamping plates respectively, spring baffles are fixedly connected to the inner side ends of the square guide rods respectively, third springs matched with the spring baffles are sleeved on the outer surfaces of the square guide rods respectively, straight racks are fixedly connected to the inner side end surfaces of the spring baffles respectively, a straight gear is meshed with the inner side ends of the two straight racks, discs are coaxially fixedly connected to the upper end and the lower end of the straight gear respectively, a second U-shaped seat is rotatably connected to the outer surface of the vertical shaft, a fixed disc is fixedly connected to the front end surface of the second U-shaped seat, and a display is fixedly connected to the front end surface of the fixed disc; two short connecting rods with central symmetry are hinged at the non-center position of the outer end face of the disc, the other ends of the short connecting rods are respectively hinged with clamping teeth in sliding connection with a vertical shaft, and second inner gears matched with the clamping teeth are respectively fixedly connected to the surfaces of the upper end and the lower end of the second U-shaped seat.
Compared with the prior art, the invention has the advantages of novel and ingenious structure:
When the adjusting platform is used, under the spherical hinge of the adjusting platform and the spherical pin, the pull ring is driven to enable the threaded clamping seat to be disengaged from the threaded rod, so that the corresponding adjusting platform can swing back and forth or left and right, the adjusting platform can horizontally adjust at multiple angles, after the adjusting platform moves to a designated position, the display screen can be adjusted to the horizontal state due to uneven pavement, the display screen can be adjusted to the horizontal state through the adjustment at multiple angles, the threaded rod of the threaded clamping seat is matched, after the adjusting platform, the display and the like are adjusted to the horizontal state, the threaded rod can be limited through the matching of the threaded clamping seat and the threaded rod, namely, the threaded rod is prevented from moving upwards or downwards, namely, the corresponding threaded rod can support and limit the adjusting platform, so that the adjusting platform is fixed; through the cooperation of the ball body and the adjusting table, when the adjusting table is adjusted, the friction force between the ball body and the adjusting table can be reduced, the surface contact between the threaded rod and the adjusting table is changed into the point contact between the ball body and the adjusting table, when the adjusting table is adjusted, the threaded rod, namely the corresponding ball body, can always contact the lower end surface of the adjusting table, namely after the adjusting table is adjusted, the threaded rod and the ball body are fixed, and then the adjusting table can be supported; through the cooperation of the first handle and the adjusting device, the height of the display can be adjusted, the position of the display can be adjusted at multiple angles, the display can be adjusted rapidly, and the adjusting efficiency is improved.
Drawings
Fig. 1 is a first isometric view of a conference room display bottom level adjustment mechanism of the present invention.
Fig. 2 is a second isometric view of a conference room display bottom level adjustment mechanism of the present invention.
Fig. 3 is a schematic installation view of an adjusting table of a conference room display screen bottom horizontal adjusting mechanism of the present invention.
Fig. 4 is a sectional view of a base of a conference room display screen bottom level adjustment mechanism of the present invention.
Fig. 5 is a drawing illustrating the installation of a pull plate of a mechanism for adjusting the level of the bottom of a display screen of a conference room according to the present invention.
Fig. 6 is a schematic view of the installation of a threaded rod of a horizontal adjustment mechanism at the bottom of a conference room display screen according to the present invention.
Fig. 7 is a schematic installation view of a first U-shaped seat of a horizontal adjustment mechanism for a bottom of a conference room display screen according to the present invention.
Fig. 8 is a schematic view of the installation of the outer cylinder of the horizontal adjusting mechanism at the bottom of the conference room display screen.
Fig. 9 is a schematic view illustrating the installation of a first handle of a mechanism for adjusting the level of the bottom of a display screen of a conference room according to the present invention.
Fig. 10 is a schematic installation view of a second U-shaped seat of the horizontal adjustment mechanism at the bottom of the conference room display screen according to the present invention.
Fig. 11 is a schematic view of a cylindrical cam installation of a conference room display screen bottom level adjustment mechanism of the present invention.
Fig. 12 is a cross-sectional view of a conference room display screen bottom level adjustment mechanism of the present invention.
Fig. 13 is a schematic view of a disc installation of a horizontal adjustment mechanism for the bottom of a conference room display screen according to the present invention.
Reference numerals in the drawings: 1-extension leg, 2-foot brake movement wheel, 3-adjustment table, 4-base, 5-ball pin, 6-ball seat, 7-pull plate, 8-first catch seat, 9-first tension spring, 10-pull ring, 11-long slide plate, 12-diagonal slide slot, 13-first slide pin, 14-threaded catch seat, 15-extension plate, 16-riser, 17-threaded rod, 18-spring pad, 19-first spring, 20-polygonal guide rod, 21-outer barrel, 22-inner rod, 23-display, 24-first spindle, 25-crank, 26-first link, 27-long guide rod, 28-second spring, 29-second link, 30-catch pin, 31-anti-slip pad, 32-catch slot, 33-catch plate, 34-first U-shaped seat, 35-cylindrical cam, 36-first handle, 37-arcuate slot, 38-second slide pin, 39-connecting plate, 40-catch seat, 41-catch plate, 42-first internal gear, 43-square guide rod, 45-third spring, 45-third guide rod, 45-toothed wheel, 46-toothed disc, 48-second spindle, 52-disc, 52-shaped catch disc, 52-shaped catch disc, and fixed disc.
Detailed Description
The following are specific embodiments of the present invention, and the technical solutions of the present invention are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-13, the invention provides a horizontal adjusting mechanism at the bottom of a conference room display screen, which comprises a base 4, wherein a moving mechanism is arranged at the lower end of the base 4, a horizontal adjusting mechanism is arranged at the upper end of the base 4, the horizontal adjusting mechanism comprises a ball pin 5 fixedly connected with the base 4, an adjusting table 3 is hinged to the upper end of the ball pin 5, a display 23 is arranged on the adjusting table 3, the horizontal adjusting mechanism further comprises a plurality of threaded rods 17 capable of moving upwards, spheres 56 matched with the adjusting table 3 are respectively arranged at the upper ends of the threaded rods 17, a locking device is further arranged at the upper end of the base 4, the locking device comprises a plurality of threaded clamping seats 14 matched with the threaded rods 17 and capable of moving, a structure of fixing the adjusting table 3 can be formed when the threaded rods 17 are meshed with the threaded clamping seats 14, and a structure of multi-angle adjustment of the adjusting table 3 can be formed when the threaded clamping seats 14 are moved to be disengaged from the threaded rods 17.
As shown in fig. 1-6, four end corners of the lower end surface of the base 4 are respectively provided with an extension leg 1, the moving mechanism comprises a plurality of foot brake moving wheels 2, the foot brake moving wheels 2 are respectively fixedly connected to the corresponding extension legs 1, as shown in fig. 3, the foot brake moving wheels 2 are convenient for a device to reach a designated position, the foot brake moving wheels 2 have a braking function, and can be stabilized after moving to the designated position, and the foot brake moving wheels 2 belong to the prior art and are not repeated; the display 23 is a display screen, through the horizontal adjusting mechanism, when the adjusting table 3 is hinged with the ball of the ball pin 5, and the threaded clamping seat 14 is disengaged from the threaded rod 17, the corresponding adjusting table 3 can swing back and forth or left and right, so that multi-angle adjustment is performed, after the adjusting table is moved to a designated position, the display screen is not in a horizontal state due to uneven pavement, the display screen can be adjusted to the horizontal state through the multi-angle adjustment, the adjusting table 3, the display 23 and the like are adjusted to the horizontal state through the matching of the threaded rod 17 of the threaded clamping seat 14, and the threaded rod 17 can be limited through the matching of the threaded clamping seat 14 and the threaded rod 17 after the adjusting table 3, the display 23 and the like are adjusted to the horizontal state, namely, the threaded rod 17 is prevented from moving upwards or downwards, namely the corresponding threaded rod 17 can support and limit the adjusting table 3, so that the adjusting table 3 is fixed; through the cooperation of spheroid 56 and the adjustment platform 3 that set up, when adjusting adjustment platform 3, can reduce the frictional force with adjustment platform 3, make the face contact of threaded rod 17 and adjustment platform 3 change into the point contact of spheroid 56 and adjustment platform 3, through setting up the threaded rod 17 that can upwards move, when adjusting adjustment platform 3, threaded rod 17, promptly corresponding spheroid 56 can contact the terminal surface position under the adjustment platform 3 all the time, promptly after adjustment platform 3 is adjusted, can play the support to adjustment platform 3 after fixing threaded rod 17, spheroid 56.
The left side and the right side of the upper end surface of the base 4 are respectively and slidably connected with a long slide plate 11, the front end surfaces of the two long slide plates 11 are fixedly connected with a pull plate 7 capable of moving back and forth, the middle part of the front end surface of the pull plate 7 is fixedly connected with a pull ring 10, the upper end surface of the base 4 is respectively and fixedly connected with four vertical plates 16 which are uniformly distributed, the inner walls of the vertical plates 16 are respectively and slidably connected with an extension plate 15, screw thread clamping seats 14 are respectively and fixedly connected on the corresponding extension plates 15, the lower end surfaces of the extension plates 15 are respectively and fixedly connected with a first slide pin 13, and inclined slide grooves 12 matched with the first slide pins 13 are respectively formed in the front side and the rear side of the upper end surface of the long slide plate 11.
As shown in fig. 5-6, the long slide block can be connected to the upper end surface of the base 4 in a front-back sliding manner, the extension plate 15 can be connected to the inner wall of the vertical plate 16 in a left-right sliding manner, and the extension plate 15 and the threaded clamping seat 14 can only move left and right through the vertical plate 16; as shown in fig. 6, when the long slide 11 moves forward, the first slide 13, the extension plate 15, and the threaded holder 14 move inward or outward by the engagement of the long slide 11 with the first slide 13, and when the threaded holder 14 moves inward, the first slide 12 and the first slide 13 can be disengaged from the corresponding threaded rod 17, and when the threaded holder 14 moves outward, the first slide 13 and the extension plate 15 are engaged with the threaded rod 17 again; the pull plate 7 is convenient for driving the two long sliding plates 11 to synchronously move forwards or backwards, and the pull ring 10 is convenient for driving the pull plate 7 and the long sliding plates 11 to move forwards by hands; when the pull ring 10 is driven to move forwards, the corresponding pull plate 7 and the long slide plate 11 are driven to move forwards, and when the long slide plate 11 moves forwards, the extending plate 15 and the threaded clamping seat 14 are driven to move inwards through the engagement of the inclined sliding groove 12 and the first sliding pin 13, so that the threaded clamping seat 14 is controlled to be disengaged from the threaded rod 17.
The upper end surface of the base 4 is fixedly connected with a first baffle seat 8, the front end surface of the first baffle seat 8 is fixedly connected with a first tension spring 9, and the other end of the first tension spring 9 is fixedly connected on the pull plate 7.
As shown in fig. 5, the first blocking seat 8 is used for supporting the first tension spring 9, and the first tension spring 9 has a backward tension on the pull plate 7, so that the corresponding pull plate 7 and the long slide plate 11 have a backward driving force, namely the corresponding extension plate 15 and the thread clamping seat 14 have an outward driving force, and the thread clamping seat 14 can be stably meshed with the threaded rod 17 in a normal state.
The ball pin 5 is fixedly connected to the middle of the upper end surface of the base 4, and a ball seat 6 matched with the ball pin 5 is fixedly connected to the inner wall of the center of the adjusting table 3.
As shown in fig. 5, the concave hole matched with the ball pin 5 is formed in the inner wall of the ball seat 6, and the adjusting table 3 can be turned left and right, turned up and down and rotated through the matching of the ball pin 5 and the ball seat 6.
Four uniformly distributed polygonal guide rods 20 are fixedly connected to the upper end surface of the base 4, the threaded rods 17 are respectively sleeved on the outer surfaces of the corresponding polygonal guide rods 20, spring pads 18 are respectively fixedly connected to the lower end surfaces of the threaded rods 17, and first springs 19 matched with the spring pads 18 are respectively sleeved on the outer surfaces of the polygonal guide rods 20.
As shown in fig. 6, the polygonal guide rod 20 is used for limiting the threaded rod 17, and the threaded rod 17 is sleeved on the corresponding polygonal guide rod 20, so that the threaded rod 17 can only move up and down and cannot rotate; one end of a first spring 19 is fixedly connected to the spring pad 18, the other end of the first spring 19 is fixedly connected to the base 4, and the first spring 19 always has upward driving force on the spring pad 18 and the threaded rod 17, so that the ball 56 can always contact with the lower end surface of the adjusting table 3; after the device moves to the appointed position, when the adjusting table 3 needs to be horizontally adjusted, the pull ring 10 is driven forward to enable the thread clamping seat 14 to be disengaged from the threaded rod 17, after the threaded rod 17 is disengaged from the threaded rod 17, the corresponding first spring 19 can push the threaded rod 17 and the ball 56 to have upward driving force, the ball 56 is enabled to be always contacted with the adjusting table 3, the telescopic rod or the adjusting table 3 is manually turned over again, when the adjusting table 3 is turned over, the corresponding threaded rod 17 and the height of the ball 56 can be changed, after the adjusting table 3 is in a horizontal state, the pull ring 10 is released, the corresponding thread clamping seat 14 can be enabled to be outwards moved under the pulling force of the first tension spring 9, the thread clamping seat 14 can be outwards engaged with the corresponding threaded rod 17 again, when the threaded rod 17 is again engaged with the thread clamping seat 14, namely, the corresponding height position of the threaded rod 17 is in a fixed state, namely the corresponding threaded rod 17 and the ball 56 can play a supporting limit role of the adjusting table 3, accordingly, the adjusting table 3 and the display 23 can be horizontally adjusted, the ball seat 5 and the display 23 can be rotated, when the ball seat 5 and the ball seat 6 are matched with the ball seat 3 can not rotate, the display can be rotated, and the display can not normally, and the display can be rotated, and the display can be kept at a certain rotation angle, and the normal rotation can be kept, and the rotation, and the display can be normally when the rotation can be kept.
The telescopic rod is fixedly connected to the surface of the upper end of the adjusting table 3, the first U-shaped seat 34 is fixedly connected to the upper end of the telescopic rod, the cross shaft 57 is installed on the first U-shaped seat 34, the display 23 is installed on the cross shaft 57, the adjusting device matched with the telescopic rod is installed on the cross shaft 57, the adjusting device comprises two first handles 36 capable of synchronously rotating, and the first handles 36 can form a structure that the display 23 moves up and down or swings left and right when rotating.
As shown in fig. 7-10, the telescopic rod can limit the first U-shaped seat 34 to move up and down only, that is, the corresponding cross axle 57, the display 23, the adjusting table 3 and the like can move up and down only; the display 23 is arranged on the cross shaft 57, and the cross shaft 57 is rotatably connected to the inner wall of the first U-shaped seat 34, so that the cross shaft 57 can swing up and down or left and right; through the cooperation of adjusting device and the telescopic link that set up, the back is rotated to first handle 36, can adjust the height of display 23, through the cooperation of adjusting device and cross 57 that set up, can adjust the angular position of display 23 according to the demand multi-angle, through the cooperation of first handle 36 and adjusting device that set up, can enough adjust display 23 height and can the multi-angle adjustment display 23 position, can adjust display 23 fast, improves adjustment efficiency.
The inner side ends of the two first handles 36 are provided with a first rotating shaft 24, the telescopic rods comprise an inner rod 22 and an outer cylinder 21, the inner rod 22 is slidably connected to the inner wall of the outer cylinder 21, the first rotating shaft 24 is rotatably connected to the inner wall of the upper end of the inner rod 22, the lower end of the outer surface of the first rotating shaft 24 is provided with a crank 25, the other end of the crank 25 is hinged with a first connecting rod 26, the other end of the first connecting rod 26 is hinged with a long guide rod 27 slidably connected with the inner rod 22, the lower end surface of the long guide rod 27 is fixedly connected with a baffle 33, the lower end surface of the baffle 33 is hinged with two second connecting rods 29 inclined towards the outer side of the lower end, the other ends of the two second connecting rods 29 are respectively hinged with clamping pins 30 slidably connected with the inner rod 22, and the inner wall of the outer cylinder 21 is provided with a plurality of clamping grooves 32 matched with the clamping pins 30.
As shown in fig. 7-9, the inner rod 22 can be connected to the inner wall of the outer cylinder 21 in an up-down sliding manner, the outer cylinder 21 is fixedly connected to the upper end surface of the adjusting table 3, and the first U-shaped seat 34 is fixedly connected to the upper end surface of the inner rod 22; the first rotating shaft 24 penetrates through the inner rod 22 and is rotatably connected to the inner wall of the inner rod 22; the inner rod 22, the outer cylinder 21, the first rotating shaft 24, the crank 25 and the first connecting rod 26 are installed and shaped as shown in fig. 8, a plurality of installation grooves are formed in the inner wall of the inner rod 22, the crank 25, the first connecting rod 26, the second connecting rod 29, the clamping pin 30 and the like are installed, the long guide rod 27 can be connected to the inner wall of the inner rod 22 in a vertical sliding mode, the clamping pin 30 can be connected to the inner wall of the inner rod 22 in a front-back sliding mode, the outer side ends of the clamping pin 30 penetrate through the outer surface of the inner rod 22, the inner side ends of the two clamping pins 30 are fixedly connected with anti-falling pads 31 respectively, and the anti-falling pads 31 are used for preventing the clamping pin 30 from falling away from the inner wall of the inner rod 22; when the bayonet 30 is engaged with the bayonet slot 32, the inner rod 22 can be limited to move up and down, i.e. the length of the corresponding telescopic rod is in a fixed state, i.e. the height of the corresponding display 23 is in a fixed state; when the height of the display 23 needs to be adjusted, the corresponding first rotating shaft 24 can be rotated by rotating the first handle 36, the crank 25 is driven to do circumferential oscillation when the first rotating shaft 24 rotates, the other end of the crank 25 drives one end of the first connecting rod 26 to do circumferential oscillation, the other end of the first connecting rod 26 drives the corresponding long guide rod 27 to move upwards, when the long guide rod 27 moves upwards, one end of the corresponding second connecting rod 29 is driven to move upwards, the other end of the second connecting rod 29 pulls the bayonet lock 30 to move inwards, and when the bayonet lock 30 moves inwards to be disengaged with the bayonet lock 32, the inner rod 22 can slide up and down on the inner wall of the outer cylinder 21 at the moment, and the length of the telescopic rod and the height of the display 23 can be adjusted.
The lower end of the outer surface of the long guide rod 27 is sleeved with a second spring 28 matched with the baffle 33, one end of the second spring 28 is fixedly connected to the inner wall of the inner rod 22, and the other end of the second spring 28 is fixedly connected to the baffle 33.
As shown in fig. 8, the second spring 28 is used for driving the blocking piece 33 to have a downward driving force in a normal state, so that the corresponding second connecting rod 29 can have a downward driving force in a normal state, namely, two clamping pins 30 are applied to have an outward driving force in a normal state, and the clamping pins 30 are stably meshed with the clamping grooves 32 in a normal state; and after the first handle 36 is rotated to adjust the height of the display 23, the first handle 36 is released to reset each component under the self-elasticity of the second spring 28.
Two limiting seats 40 are fixedly connected to the left end surface and the right end surface of the first U-shaped seat 34 respectively, a connecting plate 39 is slidably connected to the inner walls of the two limiting seats 40, a second sliding pin 38 is fixedly connected to the lower end surface of the connecting plate 39, cylindrical cams 35 are fixedly connected to the inner end surfaces of the two first handles 36 respectively, and arc-shaped grooves 37 matched with the second sliding pins 38 are formed in the outer surfaces of the cylindrical cams 35 respectively; the cross shaft 57 is rotatably connected to the inner wall of the first U-shaped seat 34, the left and right end surfaces of the first U-shaped seat 34 are respectively and fixedly connected with the first internal gear 42, the left and right ends of the cross shaft 57 are respectively provided with a tooth-shaped clamping plate 41 matched with the first internal gear 42, and the tooth-shaped clamping plates 41 are respectively and rotatably connected to the corresponding connecting plates 39.
As shown in fig. 10-12, the first rotating shaft 24 is fixedly connected to the inner side end surfaces of the two cylindrical cams 35, namely, the first rotating shaft 24, the cylindrical cams 35 and the first handle 36 are fixedly connected integrally; the limiting seat 40 limits the connecting plate 39, so that the connecting plate 39 and the second sliding pin 38 can only move left and right; the second sliding pin 38, the cylindrical cam 35 and the arc-shaped groove 37 are installed and shaped as shown in fig. 11, under the rotary connection of the connecting plate 39 and the tooth-shaped clamping plate 41, the connecting plate 39 drives the tooth-shaped clamping plate 41 to move left and right when moving left and right, the tooth-shaped clamping plate 41 does not drive the connecting plate 39 to rotate when rotating along with the cross shaft 57, and the second sliding pin 38, the connecting plate 39 and the like can be driven to move left or right through the engagement of the arc-shaped groove 37 and the second sliding pin 38 when the cylindrical cam 35 rotates; the mounting and shape of the tooth-shaped clamping plate 41 and the first internal gear 42 are as shown in fig. 12, when the tooth-shaped clamping plate 41 is meshed with the first internal gear 42, the rotation of the cross shaft 57, namely the up-and-down swinging of the display 23, can be limited, and when the tooth-shaped clamping plate 41 moves outwards to be disengaged with the first internal gear 42, the display 23 can move up and down at the moment; therefore, when the first handle 36 rotates, the cylindrical cam 35 can be driven to rotate, the cylindrical cam 35 rotates under the engagement of the second sliding pin 38 through the arc-shaped groove 37, so that the two connecting plates 39 move outwards, when the connecting plates 39 move outwards, the corresponding tooth-shaped clamping plates 41 are driven to move outwards, when the tooth-shaped clamping plates 41 move outwards to be disengaged from the first internal gear 42, the cross shaft 57 can rotate, namely, the corresponding display 23 can be turned up and down, after the adjustment is completed, the first handle 36 can be reset to an initial state when being reversed, namely, the corresponding tooth-shaped clamping plates 41 move inwards to be engaged with the first internal gear 42 again, namely, the limiting cross shaft 57, the display 23 and the like rotate to fix the angle of the display 23.
The cross shaft 57 comprises a transverse shaft 48 and a vertical shaft 49, square guide rods 43 which are in sliding connection with the transverse shaft 48 are fixedly connected to the inner side end surfaces of two tooth-shaped clamping plates 41 respectively, spring baffle plates 45 are fixedly connected to the inner side ends of Fang Daogan respectively, third springs 44 matched with the spring baffle plates 45 are sleeved on the outer surfaces of the square guide rods 43 respectively, straight tooth strips 46 are fixedly connected to the inner side end surfaces of the spring baffle plates 45 respectively, a straight gear 47 is meshed with the inner side ends of the two straight tooth strips 46, discs 50 are fixedly connected to the upper end and the lower end of the straight gear 47 respectively in a coaxial mode, a second U-shaped seat 55 is connected to the outer surface of the vertical shaft 49 in a rotating mode, a fixed disc 54 is fixedly connected to the front end surface of the second U-shaped seat 55, and the display 23 is fixedly connected to the front end surface of the fixed disc 54; two short connecting rods 51 with central symmetry are hinged at the non-center positions of the outer side end surfaces of the circular discs 50, clamping teeth 52 which are in sliding connection with the vertical shafts 49 are hinged at the other ends of the short connecting rods 51, and second inner gears 53 which are matched with the clamping teeth 52 are fixedly connected to the upper end surfaces and the lower end surfaces of the second U-shaped seats 55.
As shown in fig. 9 to 13, the second U-shaped seat 55 is rotatably connected to the outer surface of the vertical shaft 49 to be capable of swinging left and right, i.e., swinging left and right of the monitor 23, and the monitor 23 is fixed to the front end surface of the fixing plate 54 by gluing or bolting; the square guide rod 43 can be connected to the inner wall of the transverse shaft 48 in a left-right sliding manner, the third spring 44, the spring baffle 45, the straight rack 46 and the straight gear 47 are installed and shaped as shown in fig. 12, and the third spring 44 always has an inward elastic force on the spring baffle 45, namely, the corresponding tooth-shaped clamping plate 41 can have an inward folding force in a normal state, so that the tooth-shaped clamping plate 41 is stably meshed with the first inner gear 42; the inner walls of the centers of the spur gear 47 and the two discs 50 are fixedly connected with a rotating shaft, the rotating shaft is rotationally connected with the inner wall of the vertical shaft 49, and the limiting spur gear 47 and the discs 50 can only rotate; the disk 50, the short connecting rod 51, the latch 52 and the second internal gear 53 are mounted and shaped as shown in fig. 13, the latch 52 can slide back and forth on the upper end and the lower end of the outer surface of the vertical shaft 49, and when the latch 52 is meshed with the second internal gear 53, the second U-shaped seat 55, the display 23 and the like are limited to swing left and right; when the two tooth-shaped clamping plates 41 move outwards, the corresponding square guide rods 43, the third springs 44, the spring baffle plates 45 and the straight racks 46 are driven to synchronously move outwards, the third springs 44 are compressed when the spring baffle plates 45 move outwards, the straight racks 46 rotate the straight gears 47 and the disc 50 through meshing with the straight gears 47 when moving outwards, the inner ends of the two short connecting rods 51 are driven to circumferentially rotate when the disc 50 rotates, the outer ends of the two short connecting rods drive the corresponding clamping teeth 52 to move inwards, and the clamping teeth 52 move inwards to be disengaged from the second internal gear 53, so that the second internal gear 53, the second U-shaped seat 55 and the display 23 can swing left and right; therefore, when the first handle 36 is driven, the corresponding bayonet 30 can be driven to be disengaged from the bayonet groove 32, the tooth-shaped clamping plate 41 can be disengaged from the first internal gear 42, the clamping tooth 52 can be disengaged from the second internal gear 53, and at the moment, the display 23 can be adjusted in a height, vertical or horizontal swinging manner; the position of the display 23 is quickly adjusted, and after the first handle 36 is released, all parts such as the first handle 36 can be reset under the self-elasticity of the third spring 44 and the second spring 28, and the details are not repeated.
When the adjusting platform 3 is used, under the spherical hinge of the adjusting platform 3 and the spherical pin 5, the pull ring 10 is driven to enable the threaded clamping seat 14 to be disengaged from the threaded rod 17, the corresponding adjusting platform 3 can swing back and forth or left and right, so that multi-angle horizontal adjustment is performed, after the adjusting platform 3 moves to a designated position, the display screen is not in a horizontal state due to uneven pavement, the display screen can be adjusted to the horizontal state through multi-angle adjustment, the adjusting platform 3, the display 23 and the like are adjusted to the horizontal state through the matching of the threaded rod 17 of the threaded clamping seat 14, the threaded rod 17 can be limited through the matching of the threaded clamping seat 14 and the threaded rod 17 after the adjusting platform 3, the display 23 and the like are adjusted to the horizontal state, namely the threaded rod 17 is prevented from moving upwards or downwards, namely the corresponding threaded rod 17 can support and limit the adjusting platform 3, and the adjusting platform 3 are fixed; through the cooperation of the arranged ball 56 and the adjusting table 3, when the adjusting table 3 is adjusted, the friction force between the ball 56 and the adjusting table 3 can be reduced, the surface contact between the threaded rod 17 and the adjusting table 3 is changed into the point contact between the ball 56 and the adjusting table 3, and when the adjusting table 3 is adjusted, the threaded rod 17, namely the corresponding ball 56, can always contact the lower end surface position of the adjusting table 3, namely after the adjusting table 3 is adjusted, the threaded rod 17 and the ball 56 are fixed, and then the adjusting table 3 can be supported; through the cooperation of the first handle 36 and the adjusting device, the height of the display 23 can be adjusted, the position of the display 23 can be adjusted at multiple angles, the display 23 can be adjusted rapidly, and the adjusting efficiency is improved.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions, without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (5)
1. The utility model provides a meeting room display screen bottom level adjustment mechanism, includes base (4), its characterized in that: the lower end of the base (4) is provided with a moving mechanism, the upper end of the base (4) is provided with a horizontal adjusting mechanism, the horizontal adjusting mechanism comprises a ball pin (5) fixedly connected with the base (4), the upper end of the ball pin (5) is in ball joint with an adjusting table (3), a display (23) is arranged on the adjusting table (3), the horizontal adjusting mechanism further comprises a plurality of threaded rods (17) capable of moving upwards, the upper ends of the threaded rods (17) are respectively provided with a ball body (56) matched with the adjusting table (3), the upper end of the base (4) is further provided with a locking device, the locking device comprises a plurality of threaded clamping seats (14) matched with the threaded rods (17) and capable of moving, when the threaded rods (17) are meshed with the threaded clamping seats (14), a structure for fixing the adjusting table (3) can be formed, and when the threaded clamping seats (14) are moved to be separated from the threaded rods (17), a structure for adjusting the adjusting table (3) at multiple angles can be formed. The ball pin (5) is fixedly connected to the middle part of the upper end surface of the base (4), and a ball seat (6) matched with the ball pin (5) is fixedly connected to the inner wall of the center of the adjusting table (3); the upper end surface of the adjusting table (3) is fixedly connected with a telescopic rod, the upper end of the telescopic rod is fixedly connected with a first U-shaped seat (34), and a cross shaft (57) is arranged on the first U-shaped seat (34); the cross shaft (57) comprises a transverse shaft (48) and a vertical shaft (49), wherein Fang Daogan (43) which is in sliding connection with the transverse shaft (48) are fixedly connected to the inner side end surfaces of the two tooth-shaped clamping plates (41) respectively, a spring baffle (45) is fixedly connected to the inner side ends of the square guide rods (43), third springs (44) matched with the spring baffle (45) are sleeved on the outer surfaces of the square guide rods (43) respectively, straight racks (46) are fixedly connected to the inner side end surfaces of the spring baffle (45) respectively, a straight gear (47) is meshed with the inner side ends of the two straight racks (46), discs (50) are coaxially fixedly connected to the upper end and the lower end of the straight gear (47) respectively, a second U-shaped seat (55) is rotationally connected to the outer surface of the vertical shaft (49), a fixed disc (54) is fixedly connected to the front end surface of the second U-shaped seat (55), and the display (23) is fixedly connected to the front end surface of the fixed disc (54); two short connecting rods (51) which are symmetrical in center are hinged at the non-center position of the outer side end surface of the disc (50), clamping teeth (52) which are in sliding connection with a vertical shaft (49) are respectively hinged at the other ends of the short connecting rods (51), and second internal gears (53) which are matched with the clamping teeth (52) are respectively fixedly connected on the upper end surface and the lower end surface of a second U-shaped seat (55); the left side and the right side of the upper end surface of the base (4) are respectively and slidably connected with a long sliding plate (11), the front end surfaces of the two long sliding plates (11) are fixedly connected with a pulling plate (7) capable of moving back and forth, the middle part of the front end surface of the pulling plate (7) is fixedly connected with a pull ring (10), the upper end surface of the base (4) is also respectively and fixedly connected with four vertical plates (16) which are uniformly distributed, the inner walls of the vertical plates (16) are respectively and slidably connected with an extension plate (15), the thread clamping seats (14) are respectively and fixedly connected on the corresponding extension plates (15), the lower end surfaces of the extension plates (15) are respectively and fixedly connected with a first sliding pin (13), and inclined sliding grooves (12) matched with the first sliding pins (13) are respectively formed in the front side and the rear side of the upper end surface of the long sliding plate (11); the display (23) is arranged on a cross shaft (57), an adjusting device matched with the telescopic rod is arranged on the cross shaft (57), the adjusting device comprises two first handles (36) which can synchronously rotate, and the first handles (36) can form a structure that the display (23) moves up and down and swings up and down or left and right when rotating;
Two limiting seats (40) are fixedly connected to the left end surface and the right end surface of the first U-shaped seat (34) respectively, a connecting plate (39) is slidably connected to the inner walls of the two limiting seats (40), a second sliding pin (38) is fixedly connected to the lower end surface of the connecting plate (39), cylindrical cams (35) are fixedly connected to the inner side end surfaces of the two first handles (36) respectively, and arc-shaped grooves (37) matched with the second sliding pins (38) are formed in the outer surfaces of the cylindrical cams (35) respectively; the cross shaft (57) is rotationally connected to the inner wall of the first U-shaped seat (34), the left end surface and the right end surface of the first U-shaped seat (34) are fixedly connected with first internal gears (42) respectively, tooth-shaped clamping plates (41) matched with the first internal gears (42) are respectively arranged at the left end and the right end of the cross shaft (57), and the tooth-shaped clamping plates (41) are rotationally connected to corresponding connecting plates (39) respectively.
2. A conference room display screen bottom level adjustment mechanism as claimed in claim 1, wherein: the upper end surface of the base (4) is fixedly connected with a first baffle seat (8), the front end surface of the first baffle seat (8) is fixedly connected with a first tension spring (9), and the other end of the first tension spring (9) is fixedly connected on the pull plate (7).
3. A conference room display screen bottom level adjustment mechanism as claimed in claim 1, wherein: four polygonal guide rods (20) which are uniformly distributed are fixedly connected to the upper end surface of the base (4), the threaded rods (17) are respectively sleeved on the outer surfaces of the corresponding polygonal guide rods (20), spring pads (18) are respectively fixedly connected to the lower end surfaces of the threaded rods (17), and first springs (19) matched with the spring pads (18) are respectively sleeved on the outer surfaces of the polygonal guide rods (20).
4. A conference room display screen bottom level adjustment mechanism as claimed in claim 3, wherein: the inner side ends of the two first handles (36) are provided with a first rotating shaft (24), the telescopic rod comprises an inner rod (22) and an outer cylinder (21), the inner rod (22) is slidably connected to the inner wall of the outer cylinder (21), the first rotating shaft (24) is rotatably connected to the inner wall of the upper end of the inner rod (22), the lower end of the outer surface of the first rotating shaft (24) is provided with a crank (25), the other end of the crank (25) is hinged with a first connecting rod (26), the other end of the first connecting rod (26) is hinged with a long guide rod (27) which is slidably connected with the inner rod (22), the lower end surface of the long guide rod (27) is fixedly connected with a baffle (33), the lower end surface of the baffle (33) is hinged with two second connecting rods (29) which are inclined towards the outer side of the lower end, the other ends of the two second connecting rods (29) are respectively hinged with clamping pins (30) which are slidably connected with the inner rod (22), and the inner wall of the outer cylinder (21) is provided with a plurality of clamping grooves (32) which are matched with the clamping pins (30).
5. The conference room display screen bottom level adjustment mechanism of claim 4, wherein: the lower end of the outer surface of the long guide rod (27) is sleeved with a second spring (28) matched with the baffle plate (33), one end of the second spring (28) is fixedly connected to the inner wall of the inner rod (22), and the other end of the second spring (28) is fixedly connected to the baffle plate (33).
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| CN202410152398.4A CN117685472B (en) | 2024-02-03 | 2024-02-03 | Conference room display screen bottom level adjustment mechanism |
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| CN117685472B true CN117685472B (en) | 2024-05-17 |
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| CN106989256A (en) * | 2017-02-15 | 2017-07-28 | 中山市紫科智能科技有限公司 | A kind of self-propelled virtual reality camera shoots stable head |
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