CN216201793U - LCD display screen device for subway scheduling - Google Patents
LCD display screen device for subway scheduling Download PDFInfo
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- CN216201793U CN216201793U CN202122412164.3U CN202122412164U CN216201793U CN 216201793 U CN216201793 U CN 216201793U CN 202122412164 U CN202122412164 U CN 202122412164U CN 216201793 U CN216201793 U CN 216201793U
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Abstract
The utility model discloses an LCD display screen device for subway scheduling, which comprises an LCD display screen body and a storage box with an opening at the top, wherein the bottom of the storage box is rectangular and fixedly connected with four support legs, universal wheels are rotatably arranged at the bottoms of the support legs, the bottom of the storage box is movably contacted with a clip-shaped base, the four support legs are all positioned in the clip-shaped base, a support plate is sleeved in the storage box in a sliding manner, the top of the support plate is fixedly connected with the bottom of the LCD display screen body, and a cover plate is fixedly arranged at the top of the LCD display screen body. The movable type liquid crystal display screen is convenient to move, the LCD display screen body can be quickly controlled to move out when the movable type liquid crystal display screen is used, the lifting support and the driving of the universal wheels to be separated from the ground are synchronously carried out, the support friction area with the ground is increased, the parking stability is improved, the height can be quickly reduced after the movable type liquid crystal display screen is used, the LCD display screen body is stored and protected, the risk of being damaged by mistake when the movable type liquid crystal display screen is not used or is transported is reduced, and the use requirement is met.
Description
Technical Field
The utility model relates to the technical field of display screens for subway scheduling, in particular to an LCD display screen device for subway scheduling.
Background
The LCD screen is also called as liquid crystal display screen, belongs to a flat panel display, is used for screen display of televisions and computers, has the advantages of low power consumption and low radiation, and usually displays a plurality of information related to subways on the LCD screen for dispatching subways,
the existing LCD display screen for subway scheduling is usually supported by a bracket or a fixed frame; its shortcoming of protection is accomodate to LCD display screen to the existence when not using not being convenient for, make the risk that receives the impact damage when not using or transporting higher, and it is not convenient for remove, though there is the bottom among the prior art and simply sets up the mode that the walking wheel moved, but this kind of mode is less because of wheel and ground contact friction area when using, it is unstable to park, can not satisfy the user demand, synthesize two kinds of above-mentioned phenomena, therefore we have proposed a LCD display screen device for subway dispatch, a liquid crystal display screen device is used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an LCD display screen device for subway scheduling.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an LCD display screen device for subway scheduling comprises an LCD display screen body and a storage box with an opening at the top, wherein four support legs are fixedly connected to the bottom of the storage box in a rectangular shape, universal wheels are rotatably mounted at the bottoms of the support legs, a clip-shaped base is movably contacted with the bottom of the storage box, the four support legs are all positioned in the clip-shaped base, a support plate is sleeved in the storage box in a sliding manner, the top of the support plate is fixedly connected with the bottom of the LCD display screen body, a cover plate is fixedly mounted at the top of the LCD display screen body, the bottom of the cover plate is movably contacted with the top of the storage box, rectangular grooves are respectively formed in the inner walls at two sides of the storage box, a bidirectional guide mechanism is respectively and fixedly connected between the inner walls at the top and the bottom of the two rectangular grooves, the bottom of the bidirectional guide mechanism extends to the lower part of the storage box and is fixedly connected with the top of the clip-shaped base, and two sides of the support plate are respectively and fixedly connected with a limiting block, and the stopper slip cap is established on the two-way guiding mechanism that corresponds, fixedly connected with fixing base between the front side inner wall of shape base and the rear side inner wall returns, it is connected with the two-way screw mechanism that is located LCD display screen body front side to rotate on the bottom inner wall of containing box, extension board screw thread cap is established on the two-way screw mechanism, the bottom of two-way screw mechanism and the top fixed connection of fixing base, the recess that front side and rear side were the opening setting is seted up to the bottom of containing box, fixedly connected with battery and with battery electric connection's driving motor on the top inner wall of recess, driving motor's output shaft bottom fixedly connected with first gear, the left side meshing of first gear has fixed cover to establish the second gear in the two-way screw mechanism outside.
Preferably, two-way guiding mechanism includes rectangular rod and two guide bars, the top and the bottom of rectangular rod respectively with the top inner wall and the bottom inner wall fixed connection of the rectangular channel that correspond, two first round holes have been seted up to rectangular rod's bottom, the guide bar slip cap is established in the first round hole that corresponds, the bottom of guide bar extend to the below of containing box and with the top fixed connection of returning the shape base, the stopper slip cap is established on the rectangular rod that corresponds.
Preferably, the bidirectional screw mechanism comprises an outer screw rod and an inner screw rod, the outer screw rod is rotatably connected to the inner wall of the bottom of the storage box, the thread screwing directions of the outer screw rod and the inner screw rod are opposite, the outer screw rod is sleeved on the inner screw rod in a threaded manner, the bottom end of the inner screw rod is fixedly connected with the top of the fixed seat, the support plate is sleeved on the outer screw rod in a threaded manner, and the second gear is welded and sleeved on the outer side of the outer screw rod.
Preferably, two second round holes are formed in the inner wall of the bottom of the rectangular groove, and the inner walls of the second round holes are in sliding connection with the outer sides of the corresponding guide rods.
Preferably, the top of the limiting block is provided with a rectangular hole in sliding connection with the outer side of the corresponding rectangular rod.
Preferably, a third round hole is formed in the inner wall of the bottom of the containing box, a bearing is fixedly sleeved in the third round hole, and the inner side of an inner ring of the bearing is fixedly connected with the outer side of an outer ring of the outer screw rod.
Preferably, the top of the support plate is provided with a first threaded hole in threaded connection with the outer screw rod, and the bottom end of the outer screw rod is provided with a second threaded hole in threaded connection with the inner screw rod.
Preferably, the bottom position of the universal wheel is lower than that of the clip-shaped base.
Compared with the prior art, the utility model has the beneficial effects that:
through the LCD display screen body, the cover plate, the storage box, the support plate, the zigzag base, the rectangular groove, the rectangular rods, the guide rods, the limiting blocks, the outer screw rods, the inner screw rods, the fixing seat, the second gear, the groove, the driving motor, the first gear and the supporting legs are matched with the universal wheels, the arrangement of the four universal wheels is convenient for a person to move the LCD display screen body, the driving motor is started in the positive direction to drive the first gear to rotate, the first gear drives the outer screw rods to rotate through the second gear, the outer screw rods can drive the support plate to slide upwards in the storage box, the support plate drives the two limiting blocks to slide upwards respectively on the corresponding rectangular rods, the support plate drives the LCD display screen body to move upwards, the outer screw rods also move upwards when rotating on the inner screw rods, the outer screw rods drive the support plate and the LCD display screen body to move upwards, the outer screw rods further lift up, the outer screw rods drive the storage box to move upwards, the storage box drives the rectangular rods to slide upwards on the two corresponding guide rods, the storage box drives the four universal wheels to move upwards and rise through the four support legs, and the square-shaped base is supported at the bottom, so that the parking stability is improved;
when not using, reverse start driving motor, the same reason is completely opposite with forward start driving motor's direction of motion, and LCD display screen body changes downwards to move back and accomodates to the containing box this moment, and the containing box changes downwards to move back equally this moment to drive four universal wheels through four landing legs and shift out downwards, accomplish and accomodate.
The movable type liquid crystal display screen is convenient to move, the LCD display screen body can be quickly controlled to move out when the movable type liquid crystal display screen is used, the lifting support and the driving of the universal wheels to be separated from the ground are synchronously carried out, the support friction area with the ground is increased, the parking stability is improved, the height can be quickly reduced after the movable type liquid crystal display screen is used, the LCD display screen body is stored and protected, the risk of being damaged by mistake when the movable type liquid crystal display screen is not used or is transported is reduced, and the use requirement is met.
Drawings
Fig. 1 is a schematic structural diagram of an LCD display screen device for subway scheduling according to the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
fig. 3 is a schematic structural diagram of the LCD panel body in fig. 2 moved out of the raised state.
In the figure: 100LCD display screen body, 1 apron, 2 containing boxes, 3 extension boards, 4 shape bases of returning, 5 rectangular channels, 6 rectangular rods, 7 guide bars, 8 stopper, 9 outer screw rods, 10 interior screw rods, 11 fixing bases, 12 second gear, 13 recesses, 14 driving motor, 15 first gear, 16 landing legs, 17 universal wheels.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, an LCD display screen device for subway scheduling comprises an LCD display screen body 100 and a storage box 2 with an opening at the top, four support legs 16 are fixedly connected to the bottom of the storage box 2 in a rectangular shape, universal wheels 17 are rotatably mounted at the bottoms of the support legs 16, a rectangular base 4 is movably contacted with the bottom of the storage box 2, the four support legs 16 are all positioned in the rectangular base 4, a support plate 3 is slidably sleeved in the storage box 2, the top of the support plate 3 is fixedly connected with the bottom of the LCD display screen body 100, a cover plate 1 is fixedly mounted at the top of the LCD display screen body 100, the bottom of the cover plate 1 is movably contacted with the top of the storage box 2, rectangular grooves 5 are respectively formed on the inner walls at the two sides of the storage box 2, a bidirectional guide mechanism is fixedly connected between the inner walls at the top and the bottom of the two rectangular grooves 5, the bottom end of the bidirectional guide mechanism extends to the lower part of the storage box 2 and is fixedly connected with the top of the rectangular base 4, both sides of the support plate 3 are fixedly connected with limit blocks 8, the limit blocks 8 are slidably sleeved on corresponding bidirectional guide mechanisms, a fixed seat 11 is fixedly connected between the inner wall of the front side and the inner wall of the rear side of the square-shaped base 4, the inner wall of the bottom of the containing box 2 is rotatably connected with a bidirectional screw mechanism positioned on the front side of the LCD display screen body 100, the support plate 3 is in threaded sleeve connection with the bidirectional screw mechanism, the bottom end of the bidirectional screw mechanism is fixedly connected with the top of the fixed seat 11, the bottom of the containing box 2 is provided with a groove 13 with openings on both the front side and the rear side, the inner wall of the top of the groove 13 is fixedly connected with a storage battery and a driving motor 14 electrically connected with the storage battery, the bottom end of an output shaft of the driving motor 14 is fixedly connected with a first gear 15, and the left side of the first gear 15 is engaged with a second gear 12 fixedly sleeved on the outer side of the bidirectional screw mechanism;
the bidirectional guide mechanism comprises a rectangular rod 6 and two guide rods 7, the top end and the bottom end of the rectangular rod 6 are respectively and fixedly connected with the top inner wall and the bottom inner wall of the corresponding rectangular groove 5, two first round holes are formed in the bottom end of the rectangular rod 6, the guide rods 7 are slidably sleeved in the corresponding first round holes, the bottom end of each guide rod 7 extends to the position below the containing box 2 and is fixedly connected with the top of the clip-shaped base 4, and the limiting blocks 8 are slidably sleeved on the corresponding rectangular rod 6;
the bidirectional screw mechanism comprises an outer screw rod 9 and an inner screw rod 10, the outer screw rod 9 is rotatably connected to the inner wall of the bottom of the storage box 2, the screw thread directions of the outer screw rod 9 and the inner screw rod 10 are opposite, the outer screw rod 9 is sleeved on the inner screw rod 10 in a threaded manner, the bottom end of the inner screw rod 10 is fixedly connected with the top of the fixed seat 11, the support plate 3 is sleeved on the outer screw rod 9 in a threaded manner, and the second gear 12 is welded and sleeved on the outer side of the outer screw rod 9.
In the utility model, two second round holes are arranged on the inner wall of the bottom of a rectangular groove 5, the inner wall of each second round hole is connected with the outer side of a corresponding guide rod 7 in a sliding way, the top of a limiting block 8 is provided with a rectangular hole connected with the outer side of a corresponding rectangular rod 6 in a sliding way, the inner wall of the bottom of a containing box 2 is provided with a third round hole, a bearing is fixedly sleeved in the third round hole, the inner side of an inner ring of the bearing is fixedly connected with the outer side of an outer ring of an outer screw rod 9, the top of a supporting plate 3 is provided with a first threaded hole connected with the outer screw rod 9 in a threaded way, the bottom end of the outer screw rod 9 is provided with a second threaded hole connected with an inner screw rod 10 in a threaded way, the bottom position of a universal wheel 17 is lower than the bottom position of a clip-shaped base 4, the utility model is convenient to move, is convenient to rapidly control the moving-out of an LCD display screen body 100 during use, and synchronously carries out lifting support and drives the universal wheel 17 to be separated from the ground, thereby increasing the support friction area with the ground, improve and park stability, and be convenient for reduce the height fast after the use and accomodate the protection to LCD display screen body 100, reduce when it does not use or receive the risk that the mistake bumped the damage when transporting, satisfy the user demand.
The working principle is as follows: when the LCD screen body 100 is required to be moved for use, the driving motor 14 is started by a person in the forward direction, the driving motor 14 drives the first gear 15 to rotate, the first gear 15 drives the outer screw rod 9 to rotate through the second gear 12 meshed with the first gear, under the action of the first threaded hole formed in the support plate 3, the outer screw rod 9 rotates to drive the support plate 3 to slide upwards in the storage box 2, the support plate 3 drives the two limit blocks 8 to respectively slide upwards on the corresponding rectangular rods 6, and meanwhile, the support plate 3 drives the LCD screen body 100 to move upwards;
under the action of a second threaded hole formed in the outer screw rod 9, the outer screw rod 9 moves upwards when rotating on the inner screw rod 10, the outer screw rod 9 drives the support plate 3 to move upwards, at the moment, two upward forces exist on the support plate 3, so that the support plate 3 and the LCD display screen body 100 move upwards in a double mode, the support plate can be automatically further lifted when being moved out, the upward-moving outer screw rod 9 drives the containing box 2 to move upwards through a bearing, the containing box 2 drives the rectangular rod 6 to slide upwards on the two corresponding guide rods 7, meanwhile, the containing box 2 drives the four universal wheels 17 to move upwards through the four support legs 16, at the moment, the square-shaped base 4 is supported at the bottom, the contact friction area with the ground is increased, and the parking stability is improved;
when not using, or when needing to accomodate the protection, reverse start driving motor 14, the direction of motion with forward start driving motor 14 is completely opposite with the same reason, LCD display screen body 100 changes to move back downwards and accomodates to containing box 2 this moment, containing box 2 changes to move back downwards equally this moment to drive four universal wheels 17 through four landing legs 16 and shift out downwards, accomplish and accomodate, alright remove once more, make and be convenient for reduce the height fast after the use and accomodate the protection to LCD display screen body 100.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. The LCD display screen device for subway scheduling comprises an LCD display screen body (100) and a storage box (2) with an opening at the top, and is characterized in that the bottom of the storage box (2) is fixedly connected with four support legs (16) in a rectangular shape, the bottom of each support leg (16) is rotatably provided with a universal wheel (17), the bottom of the storage box (2) is movably contacted with a clip-shaped base (4), the four support legs (16) are all positioned in the clip-shaped base (4), a support plate (3) is sleeved in the storage box (2) in a sliding manner, the top of the support plate (3) is fixedly connected with the bottom of the LCD display screen body (100), a cover plate (1) is fixedly arranged at the top of the LCD display screen body (100), the bottom of the cover plate (1) is movably contacted with the top of the storage box (2), rectangular grooves (5) are respectively arranged on the inner walls at the two sides of the storage box (2), and two-way guide mechanisms are respectively and fixedly connected between the inner walls at the top and the bottom of the two rectangular grooves (5), the bottom end of the bidirectional guide mechanism extends to the lower part of the containing box (2) and is fixedly connected with the top of the clip-shaped base (4), the two sides of the support plate (3) are fixedly connected with the limit blocks (8), the limit blocks (8) are slidably sleeved on the corresponding bidirectional guide mechanisms, a fixed seat (11) is fixedly connected between the inner wall of the front side and the inner wall of the rear side of the clip-shaped base (4), the inner wall of the bottom part of the containing box (2) is rotatably connected with a bidirectional screw thread mechanism positioned at the front side of the LCD display screen body (100), the support plate (3) is in threaded sleeve connection with the bidirectional screw thread mechanism, the bottom end of the bidirectional screw thread mechanism is fixedly connected with the top of the fixed seat (11), the bottom part of the containing box (2) is provided with a groove (13) with openings at the front side and the rear side, the inner wall of the top part of the groove (13) is fixedly connected with a storage battery and a driving motor (14) electrically connected with the storage battery, the bottom end of an output shaft of the driving motor (14) is fixedly connected with a first gear (15), and the left side of the first gear (15) is engaged with a second gear (12) fixedly sleeved on the outer side of the bidirectional threaded mechanism.
2. The LCD display screen device for subway scheduling as claimed in claim 1, wherein said bidirectional guide mechanism comprises a rectangular rod (6) and two guide rods (7), the top end and bottom end of the rectangular rod (6) are respectively fixedly connected with the top inner wall and bottom inner wall of the corresponding rectangular groove (5), two first round holes are opened at the bottom end of the rectangular rod (6), the guide rods (7) are slidably sleeved in the corresponding first round holes, the bottom end of the guide rods (7) extends to the lower part of the containing box (2) and is fixedly connected with the top of the rectangular base (4), and the limiting blocks (8) are slidably sleeved on the corresponding rectangular rod (6).
3. The LCD display screen device for subway scheduling as claimed in claim 1, wherein said bidirectional screw mechanism comprises an outer screw (9) and an inner screw (10), said outer screw (9) is rotatably connected to the inner wall of the bottom of said storage box (2), the screw direction of said outer screw (9) is opposite to that of said inner screw (10), said outer screw (9) is threadedly mounted on said inner screw (10), the bottom end of said inner screw (10) is fixedly connected to the top of said fixing base (11), said support plate (3) is threadedly mounted on said outer screw (9), and said second gear (12) is threadedly mounted on the outer side of said outer screw (9).
4. The LCD display screen device for subway scheduling as claimed in claim 2, wherein said rectangular groove (5) has two second circular holes on its bottom inner wall, and the inner wall of the second circular hole is slidably connected to the outer side of the corresponding guide bar (7).
5. The LCD display screen device for subway scheduling as claimed in claim 2, wherein said stopper (8) has a rectangular hole formed at the top thereof for sliding connection with the outside of the corresponding rectangular rod (6).
6. The LCD display screen device for subway scheduling as claimed in claim 3, wherein said container (2) has a third circular hole on its bottom inner wall, and said third circular hole is fixedly sleeved with a bearing, the inner side of the inner ring of which is fixedly connected with the outer side of the outer ring of said outer screw (9).
7. The LCD display screen device for dispatching trains as claimed in claim 3, wherein the top of the support plate (3) is provided with a first threaded hole in threaded connection with the outer screw (9), and the bottom end of the outer screw (9) is provided with a second threaded hole in threaded connection with the inner screw (10).
8. An LCD display screen device for subway scheduling as claimed in claim 1, wherein the bottom position of said universal wheels (17) is lower than the bottom position of said clip base (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122412164.3U CN216201793U (en) | 2021-10-08 | 2021-10-08 | LCD display screen device for subway scheduling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122412164.3U CN216201793U (en) | 2021-10-08 | 2021-10-08 | LCD display screen device for subway scheduling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216201793U true CN216201793U (en) | 2022-04-05 |
Family
ID=80861219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122412164.3U Active CN216201793U (en) | 2021-10-08 | 2021-10-08 | LCD display screen device for subway scheduling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216201793U (en) |
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2021
- 2021-10-08 CN CN202122412164.3U patent/CN216201793U/en active Active
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