CN219036148U

CN219036148U - Conference LCD lifting device

Info

Publication number: CN219036148U
Application number: CN202222677485.0U
Authority: CN
Inventors: 俞康成; 陈启广; 吴爱荣; 杨志强; 张男
Original assignee: Anhui Zhuobang Electronic Technology Co ltd
Current assignee: Anhui Zhuobang Electronic Technology Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-05-16
Anticipated expiration: 2032-10-11

Abstract

The utility model belongs to the technical field of liquid crystal lifters, in particular to a conference liquid crystal display lifting device, which aims at solving the problem that the sealing effect of a common liquid crystal lifter is poor, so that the dustproof and dampproof effects on a liquid crystal display are poor. According to the utility model, the liquid crystal display is stretched out and stored by the two screw rods, so that the running stability of the liquid crystal display is ensured, and the sealing plate is controlled to seal the shell after the liquid crystal display is stored, so that the liquid crystal display is dustproof and dampproof.

Description

Conference LCD lifting device

Technical Field

The utility model relates to the technical field of liquid crystal lifters, in particular to a lifter for a conference liquid crystal display.

Background

The liquid crystal lifter is a common instrument for conferences, and when a display screen is needed to be used, the lifter hidden in the conference table lifts the display screen from the lower part of the conference to the surface of the table; when the display screen is not used, the lifter automatically descends, the display screen is hidden inside the conference table, and the liquid crystal lifter enables the display screen to be antitheft and dustproof, and meanwhile the surface of the table is kept smooth and attractive.

The types of the existing liquid crystal lifters in the market are very many at present, but the stability of the existing liquid crystal lifters is relatively poor in the lifting process when the existing liquid crystal lifters are used, so that the liquid crystal display can shake relatively greatly in the lifting process, electronic elements in the liquid crystal display can be damaged or loosened for a long time, the service life of the liquid crystal display is influenced, and the existing lifting device is exposed outside when the existing lifting device is used for installing the liquid crystal display, so that ash is frequently and easily fallen, and the use comfort of the liquid crystal display is influenced.

Disclosure of Invention

The utility model aims to solve the defects that the service life of a display is influenced and the using comfort of the display cannot be reduced due to instability of a common liquid crystal lifter in the lifting process, and provides a conference liquid crystal display lifting device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a meeting LCD elevating gear, includes casing and LCD, LCD's bottom fixed mounting has the support revolving plate, the bottom fixed mounting of backup pad has the sliding seat, sliding seat sliding connection is in the inside of casing, rotationally install first lead screw and second lead screw on the top inner wall of casing, first gear and second gear of fixed mounting on first lead screw and the second lead screw respectively, first gear meshes with the second gear mutually, and two screw holes have been seted up at the top of sliding seat, first lead screw and second lead screw threaded connection respectively at the screw hole that corresponds, and the top of casing has been seted up the accommodation hole, transverse slot has been seted up on the right side inner wall of accommodation hole, sliding mounting has the closing plate in the transverse slot, the right side fixedly connected with connecting rod of closing plate, the right-hand member fixedly connected with arm-tie of connecting rod, the left side fixedly connected with stay cord of arm-tie, the bottom fixedly connected with butt plate of stay cord, the bottom movable butt of sliding seat and butt plate, fixed mounting has the motor on the bottom inner wall of casing, the bottom fixed connection of second lead screw is on the output shaft of motor.

Preferably, the pitches of the first screw rod and the second screw rod are equal, and the threads are opposite in rotation direction.

Preferably, a reset spring is fixedly connected to the left side of the pull plate, a baffle is fixedly connected to the inner wall of the top of the transverse groove, and the left end of the reset spring is fixedly connected to the right side of the baffle.

Preferably, the inner wall of the bottom of the transverse groove is provided with a groove, the inner walls of the front side and the rear side of the groove are rotatably provided with the same connecting shaft, the outer side of the connecting shaft is rotatably sleeved with a guide wheel, and the pull rope is wound on the outer side of the guide wheel.

Preferably, the bottom fixedly connected with supporting spring of butt board, supporting spring's bottom fixed connection is on the bottom inner wall of casing.

Preferably, the right side fixed mounting of butt board has the limiting plate, the limiting groove has been seted up on the right side inner wall of casing, limiting plate sliding connection is in the limiting groove, and limiting groove internally fixed mounting has the gag lever post, and the limiting plate slides and cup joints in the outside of gag lever post.

According to the conference liquid crystal display lifting device, the second screw rod is driven to rotate by the starting motor, the first screw rod is driven to reversely rotate by the engagement of the second gear and the first gear, and the first screw rod and the second screw rod drive the sliding seat to lift and move together through the screw transmission with the corresponding threaded holes respectively, so that the liquid crystal display is controlled to lift and move, and the liquid crystal display is stretched out of the containing hole and contained;

according to the conference liquid crystal display lifting device, the sliding seat moves downwards, the abutting plate is pushed to move downwards by abutting with the abutting plate through the sliding seat, the abutting plate drives the pull plate to move leftwards through the pull rope, and the pull plate drives the sealing plate to move leftwards through the connecting rod, so that the sealing plate seals the storage hole, and therefore dust prevention and moisture prevention protection are carried out on the liquid crystal display;

the utility model has reasonable structural design, realizes the lifting of the liquid crystal display through the two groups of screw rods, reduces the shaking amplitude of the liquid crystal display in the lifting process, and ensures the running stability of the liquid crystal display, thereby reducing the loosening or damage condition of electronic elements in the liquid crystal display, prolonging the service life of the display, simultaneously storing the display, avoiding dust falling on the display, and improving the use comfort of the display. And be convenient for control closing plate seals the casing after accomodating liquid crystal display to prevent dust and dampproofing to the display, the reliability is high.

Drawings

Fig. 1 is a schematic perspective view of a lifting device for a conference lcd according to the present utility model;

fig. 2 is a schematic cross-sectional view of a lifting device for a conference lcd according to the present utility model;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

fig. 4 is a partial enlarged view of a portion B in fig. 2.

In the figure: 1. a housing; 2. a liquid crystal display; 3. a receiving hole; 4. a sliding seat; 5. a sealing plate; 6. a motor; 7. a first screw rod; 8. a second screw rod; 9. a first gear; 10. a second gear; 11. a pull rope; 12. an abutting plate; 13. a support spring; 14. a limiting plate; 15. a limit groove; 16. a transverse slot; 17. pulling a plate; 18. a return spring; 19. and a guide wheel.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a conference liquid crystal display lifting device comprises a shell 1 and a liquid crystal display 2, wherein a supporting rotating plate is fixedly installed at the bottom of the liquid crystal display 2, a sliding seat 4 is fixedly installed at the bottom of a supporting plate, the sliding seat 4 is slidably connected in the shell 1, a first screw rod 7 and a second screw rod 8 are rotatably installed on the inner wall of the top of the shell 1, a first gear 9 and a second gear 10 are fixedly installed on the first screw rod 7 and the second screw rod 8 respectively, the first gear 9 is meshed with the second gear 10, two threaded holes are formed in the top of the sliding seat 4, the first screw rod 7 and the second screw rod 8 are respectively in threaded connection with corresponding threaded holes, a containing hole 3 is formed in the top of the shell 1, a transverse groove 16 is formed in the inner wall of the right side of the containing hole 3, a sealing plate 5 is slidably installed in the transverse groove 16, a connecting rod is fixedly connected to the right side of the sealing plate 5, a pulling plate 17 is fixedly connected to the right end of the connecting rod, a pulling rope 11 is fixedly connected to the left side of the pulling plate 17, a supporting plate 12 is fixedly connected to the bottom of the pulling rope 11, a motor 4 is in contact with the bottom of the motor 12, and the motor is in contact with the bottom of the shell 6, and the bottom of the motor is fixedly connected to the bottom of the motor 6 on the bottom of the shell 6.

In the utility model, the screw pitches of the first screw rod 7 and the second screw rod 8 are equal, and the screw threads are opposite in rotation direction, so that the first screw rod 7 and the second screw rod 8 are prevented from being blocked, and the sliding seat 4 can be driven to move up and down together when the rotation directions of the first screw rod 7 and the second screw rod 8 are opposite.

In the utility model, the left side of the pull plate 17 is fixedly connected with a reset spring 18, the inner wall of the top of the transverse groove 16 is fixedly connected with a baffle plate, and the left end of the reset spring 18 is fixedly connected to the right side of the baffle plate to reset the pull plate 17.

In the utility model, a groove is formed on the inner wall of the bottom of a transverse groove 16, the inner walls of the front side and the rear side of the groove are rotatably provided with the same connecting shaft, the outer sides of the connecting shafts are rotatably sleeved with guide wheels 19, and a pull rope 11 is wound on the outer sides of the guide wheels 19 to guide the pull rope 11.

In the utility model, the bottom of the abutting plate 12 is fixedly connected with a supporting spring 13, and the bottom end of the supporting spring 13 is fixedly connected to the inner wall of the bottom of the shell 1.

In the utility model, the right side of the abutting plate 12 is fixedly provided with the limiting plate 14, the right side inner wall of the shell 1 is provided with the limiting groove 15, the limiting plate 14 is slidably connected in the limiting groove 15, the limiting rod is fixedly arranged in the limiting groove 15, and the limiting plate 14 is slidably sleeved on the outer side of the limiting rod.

In the utility model, when the liquid crystal display device is used, the second screw rod 8 is driven to rotate by the starting motor 6, the first screw rod 7 is driven to reversely rotate by the engagement of the second gear 10 and the first gear 9, the first screw rod 7 and the second screw rod 8 respectively drive the sliding seat 4 to perform lifting movement by the screw transmission of the corresponding threaded holes, so that the liquid crystal display device 2 is controlled to perform lifting movement, extend out of the storage hole 3 and be stored, the sliding seat 4 can move downwards, the abutting plate 12 is pushed to move downwards by the abutting plate 4 through the abutting connection with the abutting plate 12, the abutting plate 12 drives the pulling plate 17 to move leftwards by the pulling rope 11, and the sealing plate 5 is driven to move leftwards by the connecting rod, so that the sealing plate 5 seals the storage hole 3.

Claims

1. The utility model provides a meeting LCD elevating gear, including casing (1) and LCD (2), its characterized in that, the bottom fixed mounting of LCD (2) has support revolving plate, the bottom fixed mounting of backup pad has sliding seat (4), sliding seat (4) sliding connection is in the inside of casing (1), install first lead screw (7) and second lead screw (8) on the top inner wall of casing (1) rotation, first lead screw (7) and second lead screw (8) are last respectively fixed mounting have first gear (9) and second gear (10), first gear (9) meshes with second gear (10), and two screw holes have been seted up at the top of sliding seat (4), first lead screw (7) and second lead screw (8) threaded connection are in corresponding screw hole respectively, and storage hole (3) have been seted up at the top of casing (1), transverse slot (16) are last to be seted up on the right side inner wall of storage hole (3), install first lead screw (7) and second lead screw (8) respectively fixed mounting have first gear (9) and second gear (12) on the right side fixed connection of closing plate (5), connecting rod (17) are connected with fixed connection bottom fixed connection of connecting rod (11) and pull plate (11) of connecting rod (11) and fixed connection bottom fixed connection of connecting rod (11), the motor (6) is fixedly installed on the inner wall of the bottom of the shell (1), and the bottom end of the second screw rod (8) is fixedly connected to an output shaft of the motor (6).

2. A conference liquid crystal display lifting device according to claim 1, characterized in that the pitch of the first screw (7) and the second screw (8) are equal and the screw threads are opposite.

3. The lifting device for the conference liquid crystal display according to claim 1, wherein a reset spring (18) is fixedly connected to the left side of the pull plate (17), a baffle is fixedly connected to the top inner wall of the transverse groove (16), and the left end of the reset spring (18) is fixedly connected to the right side of the baffle.

4. The lifting device for the conference liquid crystal display according to claim 1, wherein the inner wall of the bottom of the transverse groove (16) is provided with a groove, the inner walls of the front side and the rear side of the groove are rotatably provided with the same connecting shaft, the outer side of the connecting shaft is rotatably sleeved with a guide wheel (19), and the pull rope (11) is wound on the outer side of the guide wheel (19).

5. The lifting device for the conference liquid crystal display according to claim 1, wherein a supporting spring (13) is fixedly connected to the bottom of the abutting plate (12), and the bottom end of the supporting spring (13) is fixedly connected to the bottom inner wall of the shell (1).

6. The lifting device for the conference liquid crystal display according to claim 1, wherein a limiting plate (14) is fixedly installed on the right side of the abutting plate (12), a limiting groove (15) is formed in the right inner wall of the shell (1), the limiting plate (14) is slidably connected in the limiting groove (15), a limiting rod is fixedly installed in the limiting groove (15), and the limiting plate (14) is slidably sleeved on the outer side of the limiting rod.