CN210979192U - Environment-friendly public welfare propaganda is with portable L ED display screen - Google Patents
Environment-friendly public welfare propaganda is with portable L ED display screen Download PDFInfo
- Publication number
- CN210979192U CN210979192U CN201921977800.3U CN201921977800U CN210979192U CN 210979192 U CN210979192 U CN 210979192U CN 201921977800 U CN201921977800 U CN 201921977800U CN 210979192 U CN210979192 U CN 210979192U
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- display screen
- threaded rod
- fixedly connected
- base
- bevel gear
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Abstract
The utility model relates to an environmental protection public welfare technical field, and disclose an environmental protection public welfare propaganda is with portable L ED display screen, including display screen body and base, the upper end middle part of base is equipped with elevating system and connects in this body of display screen through elevating system, the equal fixedly connected with gyro wheel in lower extreme four corners department of base, the recess has still been seted up to the lower extreme left and right sides of base, the inside top of recess is equipped with the two-way threaded rod of horizontal setting, both ends all rotate with the left and right sides of recess respectively through first antifriction bearing about the two-way threaded rod and are connected, the equal screw thread in the pole wall left and right sides of two-way threaded rod has cup jointed the carriage release lever, the lower extreme of two carriage release levers all rotates through first pivot and is connected with the connecting rod, the below of recess is equipped with the braking plate, the utility model discloses be convenient for remove L ED display screen, and be convenient for.
Description
Technical Field
The utility model relates to an environmental protection public welfare technical field especially relates to an environmental protection public welfare is propagated with portable L ED display screen.
Background
Along with people's social development and scientific and technological development, natural environment has received very big destruction, along with the promotion of people's culture quality, people are also more and more dark to the notion of environmental protection, and often carry out the propaganda of environmental protection public welfare to other people through some propaganda devices.
At present, people generally carry out the public propaganda of environmental protection public welfare to other people through L ED display screen, and in order to enlarge the propaganda scope, people install moving mechanism to the display screen to can remove the propaganda, but L ED display screen passes through the gyro wheel and removes the back, roll when placing easily, thereby lead to L ED display screen to receive the damage easily, the people of being convenient for use, consequently, provide an environmental protection public welfare propaganda with portable L ED display screen.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art L ED display screen and passing through the gyro wheel removal back, take place the roll easily when placing to lead to L ED display screen to receive the damage easily, the problem that the people of being convenient for used, and the portable L ED display screen is used in the public welfare propaganda of an environmental protection that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an environmental protection public welfare propaganda is with portable L ED display screen, includes display screen body and base, the upper end middle part of base is equipped with elevating system and passes through elevating system in this body coupling of display screen, the equal fixedly connected with gyro wheel in lower extreme four corners department of base, the recess has still been seted up to the lower extreme left and right sides of base, the inside top of recess is equipped with the two-way threaded rod of horizontal setting, both ends all rotate with the left and right sides of recess respectively through first antifriction bearing and are connected about the two-way threaded rod, the equal screw thread in the pole wall left and right sides of two-way threaded rod has cup jointed the carriage release lever, two the lower extreme of carriage release lever all rotates through first pivot and is connected with the connecting rod, the below of recess is equipped with the braking plate, two the lower extreme of connecting rod all rotates through the second axis pin and is connected with the upper end middle part of braking plate, the fixed cover in the pole wall middle part of two-way threaded rod has connect first bevel gear, the last lateral wall of recess rotates through second antifriction bearing and is connected with first bull stick, the lower extreme fixedly connected.
Preferably, the upper end of the first rotating rod is fixedly connected with a handle rod, and the lower end of the brake plate is fixedly provided with a plurality of evenly distributed spines.
Preferably, a sliding rod is fixedly arranged below the inner part of the groove in a transverse mode, and the two moving rods are connected with the sliding rod in a sliding mode through holes.
Preferably, the lifting mechanism comprises a sleeve, an internal thread cylinder, a lifting threaded rod and a lifting plate, the lower end of the sleeve is fixedly connected with the middle part of the upper end of the base, the internal thread cylinder is positioned in the sleeve and is arranged in a sliding manner, the lower end of the outer side wall of the internal thread cylinder is fixedly connected with two symmetrically arranged sliding blocks, two sliding grooves matched with the sliding blocks are formed in the inner side wall of the sleeve, the lifting threaded rod is positioned in the internal thread cylinder and is in threaded connection with the internal thread cylinder, the lower end of the lifting threaded rod is rotationally connected with the base through a third rolling bearing, a third bevel gear is fixedly sleeved below the rod wall of the lifting threaded rod, a second rotating rod is rotationally connected below the right side wall of the sleeve through a fourth rolling bearing, a fourth bevel gear is fixedly connected to the left end of the second rotating rod, and the, the right-hand member of second bull stick extends to telescopic outside setting, the upper end of an internal thread section of thick bamboo and the lower extreme middle part fixed connection of lifter plate, the lower extreme fixed connection of lifter plate and display screen body.
Preferably, an L-shaped rod is fixedly connected to one end of the second rotating rod, which is positioned outside the sleeve.
Preferably, the upper portion of the outer side wall of the internal thread cylinder is fixedly connected with two symmetrically arranged support rods, and the upper ends of the two support rods are fixedly connected with the left side and the right side of the lower end of the lifting plate respectively.
Compared with the prior art, the utility model provides an environmental protection public welfare propaganda is with portable L ED display screen possesses following beneficial effect:
1. this portable L ED display screen is used in public welfare propaganda can remove L ED display screen through the gyro wheel that is equipped with, through mutually supporting of the first bull stick, two-way threaded rod, first bevel gear, second bevel gear, two carriage release levers, two connecting rods and the braking plate that are equipped with, is convenient for increase base and the frictional force on ground to make L ED display screen stably place.
2. This portable L ED display screen is used in public welfare propaganda of environmental protection, through being equipped with the height of sleeve, an internal thread section of thick bamboo, threaded rod, lifter plate, third bevel gear, fourth bevel gear and the mutually supporting of second bull stick, the regulation display screen body of being convenient for.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses be convenient for remove L ED display screen, and be convenient for place stably, still be convenient for highly adjust L ED display screen, the people of being convenient for use.
Drawings
Fig. 1 is a schematic structural view of a portable L ED display screen for environmental public welfare propaganda according to the present invention;
fig. 2 is an enlarged view of a portion a of fig. 1.
In the figure, 1 display screen body, 2 base, 3 rollers, 4 bidirectional threaded rods, 5 moving rods, 6 connecting rods, 7 braking plates, 8 first bevel gears, 9 first rotating rods, 10 second bevel gears, 11 handle rods, 12 spines, 13 sliding rods, 14 sleeves, 15 internal threaded cylinders, 16 lifting threaded rods, 17 lifting plates, 18 sliding blocks, 19 third bevel gears, 20 fourth bevel gears, 21L-shaped rods and 22 supporting rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a portable L ED display screen is used in public welfare propaganda of environmental protection, including display screen body 1 and base 2, the upper end middle part of base 2 is equipped with elevating system and is connected in display screen body 1 through elevating system, the equal fixedly connected with gyro wheel 3 in lower extreme four corners department of base 2, the recess has still been seted up to the lower extreme left and right sides of base 2, the inside top of recess is equipped with the two-way threaded rod 4 of horizontal setting, both ends all rotate with the left and right sides of recess through first antifriction bearing respectively about two-way threaded rod 4 and are connected, the equal screw thread of the pole wall left and right sides of two-way threaded rod 4 has cup jointed carriage release lever 5, the lower extreme of two carriage release levers 5 all rotates through first pivot and is connected with connecting rod 6, the below of recess is equipped with braking plate 7, the lower extreme of two connecting rod 6 all rotates through the second pivot and is connected with the upper end middle part of braking plate 7, the pole wall middle part of two-way threaded rod 4 has been connected with first bevel gear 8, the upside wall of recess rotates through second antifriction bearing and is connected with first pivot 9, the lower extreme fixedly connected.
The upper end fixedly connected with handle pole 11 of first bull stick 9, the people of being convenient for rotate handle pole 11 and drive first bull stick 9 rotatory, and the lower extreme of braking plate 7 is fixed to be equipped with a plurality of evenly distributed spine 12, can increase the frictional force of braking plate 7 and ground, improves braking effect.
The fixed slide bar 13 that is equipped with horizontal setting in inside below of recess, two movable rods 5 are all through-hole and slide bar 13 sliding connection, and are more stable when making two movable rods 5 remove.
The lifting mechanism comprises a sleeve 14, an internal thread cylinder 15, a lifting threaded rod 16 and a lifting plate 17, the lower end of the sleeve 14 is fixedly connected with the middle part of the upper end of the base 2, the internal thread cylinder 15 is positioned in the sleeve 14 and is arranged in a sliding manner, the lower end of the outer side wall of the internal thread cylinder 15 is fixedly connected with two symmetrically arranged slide blocks 18, the inner side wall of the sleeve 14 is provided with two slide grooves matched with the slide blocks 18, the lifting threaded rod 16 is positioned in the internal thread cylinder 15 and is in threaded connection with the internal thread cylinder 15, the lower end of the lifting threaded rod 16 is rotationally connected with the base 2 through a third rolling bearing, a third bevel gear 19 is fixedly sleeved below the rod wall of the lifting threaded rod 16, a second rotating rod is rotationally connected below the right side wall of the sleeve 14 through a fourth rolling bearing, the left end of the second rotating rod is fixedly connected with a fourth bevel gear, the right-hand member of second bull stick extends to the outside setting of sleeve 14, the upper end of an internal thread section of thick bamboo 15 and the lower extreme middle part fixed connection of lifter plate 17, the lower extreme fixed connection of lifter plate 17 and display screen body 1, it is rotatory to rotate second bull stick and drive fourth bevel gear 20, fourth bevel gear 20 drives third bevel gear 19 rotatory, third bevel gear 19 drives lifting threaded rod 16 rotatory, lifting threaded rod 16 drives an internal thread section of thick bamboo 15 and removes, an internal thread section of thick bamboo 15 drives lifter plate 17 and removes, thereby lifter plate 17 can drive display screen body 1 and remove, be convenient for carry out altitude mixture control to display screen body 1.
One end of the second rotating rod, which is positioned outside the sleeve 14, is fixedly connected with an L-shaped rod 21, so that people can rotate the L-shaped rod 21 to drive the second rotating rod to rotate.
The bracing piece 22 that two symmetries set up of lateral wall top fixedly connected with of an internal thread section of thick bamboo 15, the upper end of two bracing pieces 22 respectively with the lower extreme left and right sides fixed connection of lifter plate 17, can improve the support stability of an internal thread section of thick bamboo 15 to lifter plate 17.
The utility model discloses in, during the use, can remove base 2 through four gyro wheels 3 that are equipped with, thereby can remove display screen body 1, when stopping placing, it can rotate second piebald horse way 10 to rotate handle bar 11 and first bull stick 9, second bull stick 10 drives first bevel gear 8 rotatory, first bevel gear 8 drives two-way threaded rod 4 rotatory, two-way threaded rod 4 drives two carriage release lever 5 relative movement, two carriage release lever 5 can drive the upper end of two connecting rods 6 and be close to each other, thereby the lower extreme of two connecting rods 6 drives braking plate 7 and moves down, can make braking plate 7 and ground in close contact with, thereby avoid the base 2 to remove, be convenient for stably place display screen body 1.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an environmental protection public welfare propaganda is with portable L ED display screen, includes display screen body (1) and base (2), its characterized in that, the upper end middle part of base (2) is equipped with elevating system and connects in display screen body (1) through elevating system, the equal fixedly connected with gyro wheel (3) of lower extreme four corners department of base (2), the recess has still been seted up to the lower extreme left and right sides of base (2), the inside top of recess is equipped with horizontal two-way threaded rod (4) that sets up, both ends all rotate with the left and right sides of recess respectively through first antifriction bearing about two-way threaded rod (4), the equal screw thread in the pole wall left and right sides of two-way threaded rod (4) has cup jointed carriage release lever (5), two the lower extreme of carriage release lever (5) all rotates through first pivot and is connected with connecting rod (6), braking plate (7), two the lower extreme of recess all rotates through the upper end of second axis pin and is connected with the upper end of braking plate (7) and is connected, the pole wall middle part of two-way threaded rod (4) is equipped with first bevel gear (9) and second bevel gear (9) upper end meshing, second bevel gear (9) and first bevel gear (9) lower extreme (9) are connected with first bevel gear (10) and second bevel gear (10) the base (9) top of the bevel gear meshing.
2. The movable L ED display screen for environmental public welfare propaganda according to claim 1, wherein a handle bar (11) is fixedly connected to the upper end of the first rotating bar (9), and a plurality of evenly distributed spines (12) are fixedly arranged at the lower end of the brake plate (7).
3. The movable L ED display screen for environmental public welfare propaganda according to claim 1, wherein a transversely arranged slide bar (13) is fixedly arranged below the inside of the groove, and both of the moving bars (5) are slidably connected with the slide bar (13) through holes.
4. The movable L ED display screen for environmental public welfare propaganda according to claim 1, wherein the lifting mechanism comprises a sleeve (14), an internal thread cylinder (15), a lifting threaded rod (16) and a lifting plate (17), the lower end of the sleeve (14) is fixedly connected with the middle of the upper end of the base (2), the internal thread cylinder (15) is located in the sleeve (14) in a sliding manner, two symmetrically arranged sliding blocks (18) are fixedly connected to the lower end of the outer side wall of the internal thread cylinder (15), two sliding grooves matched with the sliding blocks (18) are formed in the inner side wall of the sleeve (14), the lifting threaded rod (16) is located in the internal thread cylinder (15) and in threaded connection with the internal thread cylinder (15), the lower end of the lifting threaded rod (16) is rotatably connected with the base (2) through a third rolling bearing, a third bevel gear (19) is fixedly connected below the rod wall of the lifting threaded rod (16), a second rotating rod is rotatably connected below the right side wall of the sleeve (14) through a fourth rolling bearing, a fourth rotating rod (20) is fixedly connected to the left end of the lifting threaded rod (14), the lower end of the lifting threaded rod (17) is fixedly connected with the outer end of the lifting threaded cylinder (15), and the lifting threaded rod (17) is connected with the lifting threaded rod (17).
5. The movable L ED display screen for environmental public welfare propaganda according to claim 4, wherein a L-shaped rod (21) is fixedly connected to one end of the second rotary rod located outside the sleeve (14).
6. The movable L ED display screen for environmental public welfare propaganda according to claim 4, wherein two symmetrically arranged support rods (22) are fixedly connected above the outer side wall of the internal thread cylinder (15), and the upper ends of the two support rods (22) are respectively fixedly connected with the left side and the right side of the lower end of the lifting plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921977800.3U CN210979192U (en) | 2019-11-15 | 2019-11-15 | Environment-friendly public welfare propaganda is with portable L ED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921977800.3U CN210979192U (en) | 2019-11-15 | 2019-11-15 | Environment-friendly public welfare propaganda is with portable L ED display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210979192U true CN210979192U (en) | 2020-07-10 |
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ID=71446350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921977800.3U Expired - Fee Related CN210979192U (en) | 2019-11-15 | 2019-11-15 | Environment-friendly public welfare propaganda is with portable L ED display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210979192U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981292A (en) * | 2020-08-18 | 2020-11-24 | 西京学院 | Searching device based on user intention recognition |
| CN113096542A (en) * | 2021-04-16 | 2021-07-09 | 谭军华 | Inactive multimedia device of innovation entrepreneurship education |
| CN114383024A (en) * | 2022-02-21 | 2022-04-22 | 河南风范科技有限公司 | Movable mounting rack for LED screen |
-
2019
- 2019-11-15 CN CN201921977800.3U patent/CN210979192U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981292A (en) * | 2020-08-18 | 2020-11-24 | 西京学院 | Searching device based on user intention recognition |
| CN113096542A (en) * | 2021-04-16 | 2021-07-09 | 谭军华 | Inactive multimedia device of innovation entrepreneurship education |
| CN114383024A (en) * | 2022-02-21 | 2022-04-22 | 河南风范科技有限公司 | Movable mounting rack for LED screen |
| CN114383024B (en) * | 2022-02-21 | 2023-09-22 | 河南风范科技有限公司 | Portable mounting bracket of LED screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200710 Termination date: 20211115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |