CN220647600U - Demonstration device - Google Patents
Demonstration device Download PDFInfo
- Publication number
- CN220647600U CN220647600U CN202321912805.4U CN202321912805U CN220647600U CN 220647600 U CN220647600 U CN 220647600U CN 202321912805 U CN202321912805 U CN 202321912805U CN 220647600 U CN220647600 U CN 220647600U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- plate
- bevel gear
- sliding
- driven
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000013016 damping Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000010276 construction Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model discloses a demonstration device, which relates to the technical field of engineering cost and comprises a fixed seat, wherein two sides of the top of the fixed seat are fixedly connected with a support frame, the inner side of the support frame is provided with a display screen, and the outer side of the support frame is movably connected with an adjusting mechanism. According to the utility model, through the mutual coordination among the rotating handle, the first bevel gear, the second bevel gear, the threaded rod, the threaded sliding plate, the sliding toothed plate, the driving wheel and the connecting column, the rotating handle is rotated, so that the first bevel gear can be driven to rotate, the second bevel gear can be driven to rotate, the threaded rod can be driven to rotate, the threaded sliding plate can be driven to slide, the sliding toothed plate can be driven to slide, the driving wheel can be driven to rotate, the connecting column can be driven to rotate, the display screen can be driven to rotate, the free adjustment of the angle of the display screen is facilitated, and the practicability of the demonstration device is improved.
Description
Technical Field
The utility model relates to the technical field of engineering cost, in particular to a demonstration device.
Background
The construction cost generally refers to the cost of carrying out a certain engineering construction, namely, the total cost used from the time of raising to the time of completion of checking and accepting, and consists of construction installation engineering cost, equipment purchase cost, other engineering construction cost, preparation cost and tax, and the required budget needs to be demonstrated by the engineering cost demonstration device.
According to patent publication number CN 215636134U: the utility model discloses a construction engineering cost demonstration device, which belongs to the field of demonstration devices and comprises a support frame, wherein connecting shafts are sleeved in the two sides of the support frame in a sliding manner, the connecting shafts are fixedly connected with a display screen, key pins are fixedly welded at the outer sides of one ends of the connecting shafts, handles are fixedly welded at one ends of the connecting shafts, and the construction engineering cost demonstration device drives clamping blocks to be separated from the constraint of clamping grooves by moving a fixing disc to one side, so that the handles can be rotated to drive the connecting shafts and the display screen to rotate, the inclination angle of the display screen can be conveniently adjusted, partial position reflection caused by light reflection of the display screen is prevented from being unclear, the rotation of the fixing disc can be limited by the design of the key pins, and the slipping rotation of the fixing disc and the connecting shafts is prevented; through rotating the loose bolt, the height position of the display screen is conveniently and longitudinally moved to meet the requirements of different crowds, the sliding wheel is designed to facilitate the user to push the sleeve, the display screen is driven to rapidly move, and manual carrying physical effort is reduced.
The above-mentioned patent is when adjusting the angle of display, and the fixed of angle is realized through the inside that the fixture block card advanced the draw-in groove after adjusting, will make the angle to adjusting be fixed for there is the restriction in the regulation of angle, and the above-mentioned patent is when using simultaneously, can not withdraw the movable pulley, thereby makes presentation device stability relatively poor when using, has reduced presentation device's practicality.
Disclosure of Invention
The present utility model provides a demonstration device to solve the above-mentioned problems in the background art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a presentation device, includes the fixing base, the top both sides fixedly connected with support frame of fixing base, the inboard of support frame is provided with the display screen, the outside swing joint of support frame has adjustment mechanism, the top middle part swing joint of fixing base has moving mechanism.
The adjusting mechanism comprises a rotating handle, wherein the rotating handle is movably connected to the outer side of the supporting frame, one end of the rotating handle is fixedly connected with a first bevel gear which is movably connected to the inner side of the supporting frame, a second bevel gear is connected to the side face of the first bevel gear in a meshed mode, a threaded rod is fixedly connected to the top of the second bevel gear, a threaded slide plate is connected to the side face of the threaded rod in a threaded mode, a sliding toothed plate is fixedly connected to the front end of the threaded slide plate, a driving wheel is connected to the side face of the sliding toothed plate in a meshed mode, a connecting column is fixedly connected to the side face of the driving wheel, and the connecting column is fixedly connected to one end of the display screen.
The technical scheme of the utility model is further improved as follows: the moving mechanism comprises a driving handle, the driving handle is movably connected to the top of the fixing seat, the bottom end of the driving handle is fixedly connected with a worm, and the worm is movably connected to the inside of the fixing seat.
By adopting the technical scheme, the driving handle and the worm are matched with each other, so that the movement of the device can be controlled.
The technical scheme of the utility model is further improved as follows: the side meshing of worm is connected with the worm wheel, the front end fixedly connected with turning block of worm wheel, the side sliding connection of turning block has the lifter plate.
By adopting the technical scheme, the worm wheel, the rotating block and the lifting plate in the scheme are matched with each other, so that the sliding of the supporting leg can be controlled.
The technical scheme of the utility model is further improved as follows: one end fixedly connected with supporting leg of lifter plate, supporting leg sliding connection is in the inside bottom of fixing base, the bottom swing joint of supporting leg has the removal pulley.
By adopting the technical scheme, the supporting legs and the movable pulleys in the scheme are matched with each other, so that the device is convenient to move.
The technical scheme of the utility model is further improved as follows: the supporting leg comprises a sliding plate, the sliding plate is fixedly connected with one end of the lifting plate, the inner bottom end of the sliding plate is fixedly connected with a hydraulic damping rod, the bottom end of the hydraulic damping rod is fixedly connected with a supporting plate, and the bottom end of the supporting plate is movably connected with the side face of the movable pulley.
By adopting the technical scheme, the sliding plate, the supporting plate and the hydraulic damping rod in the scheme are matched with each other, so that shaking of the device during movement can be reduced.
The technical scheme of the utility model is further improved as follows: the top fixedly connected with top tight board of backup pad, the top of top tight board extends to the inside of sliding plate, the top fixedly connected with buffer spring of top tight board, buffer spring's top fixedly connected with metal leaf spring, metal leaf spring fixed connection is in the inside of sliding plate.
By adopting the technical scheme, the jacking plate, the buffer spring and the metal plate spring in the scheme are matched with each other, so that the movement of the device can be buffered.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
the utility model provides a demonstration device, which is characterized in that a rotating handle, a first bevel gear, a second bevel gear, a threaded rod, a threaded sliding plate, a sliding toothed plate, a driving wheel and a connecting column are mutually matched, and the rotating handle is rotated to drive the first bevel gear to rotate and drive the second bevel gear to rotate, so that the threaded rod can rotate and drive the threaded sliding plate to slide, the sliding toothed plate can slide, the driving wheel can be driven to rotate and the connecting column can be driven to rotate, so that a display screen can be driven to rotate, the angle of the display screen can be conveniently and freely adjusted, and the practicability of the demonstration device is improved.
The utility model provides a demonstration device, which is characterized in that a driving handle, a worm wheel, a rotating block, a lifting plate, supporting legs and a movable pulley are mutually matched, and the driving handle is rotated to drive the worm to rotate and drive the worm wheel to rotate, so that the rotating block can be driven to rotate and the lifting plate can be driven to lift, and the supporting legs can be driven to lift, so that the extension and retraction of the movable pulley can be controlled, the movement and the fixation of the device can be controlled, the stability of the device in demonstration is improved, and the demonstration device is more convenient to use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of an adjusting mechanism according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a moving mechanism according to the present utility model;
fig. 4 is a schematic cross-sectional structure of the support leg of the present utility model.
In the figure: 1. a fixing seat; 2. a support frame; 3. a display screen; 4. an adjusting mechanism; 41. rotating the handle; 42. bevel gears I; 43. bevel gears II; 44. a threaded rod; 45. a threaded slide plate; 46. sliding toothed plates; 47. a driving wheel; 48. a connecting column; 5. a moving mechanism; 51. a drive handle; 52. a worm; 53. a worm wheel; 54. a rotating block; 55. a lifting plate; 56. support legs; 561. a sliding plate; 562. a hydraulic damping rod; 563. a support plate; 564. a pressing plate; 565. a buffer spring; 566. a metal leaf spring; 57. and (3) moving the pulley.
Description of the embodiments
The utility model is further illustrated by the following examples:
examples
As shown in fig. 1-4, the utility model provides a demonstration device, which comprises a fixed seat 1, wherein two sides of the top of the fixed seat 1 are fixedly connected with a support frame 2, the inner side of the support frame 2 is provided with a display screen 3, the outer side of the support frame 2 is movably connected with an adjusting mechanism 4, the middle part of the top end of the fixed seat 1 is movably connected with a moving mechanism 5, the adjusting mechanism 4 comprises a rotating handle 41, the rotating handle 41 is movably connected with the outer side of the support frame 2, one end of the rotating handle 41 is fixedly connected with a bevel gear I42, the bevel gear I42 is movably connected with the inner side of the support frame 2, the side surface of the bevel gear I42 is in meshed connection with a bevel gear II 43, the top of the bevel gear II 43 is fixedly connected with a threaded rod 44, the side surface of the threaded rod 44 is in threaded connection with a threaded slide plate 45, the front end of the threaded slide plate 45 is fixedly connected with a sliding toothed plate 46, the side surface of the sliding toothed plate 46 is in meshed connection with a driving wheel 47, the side surface of the driving wheel 47 is fixedly connected with a connecting column 48, and the connecting column 48 is fixedly connected with one end of the display screen 3.
In this embodiment, when presentation device uses, through rotating twist grip 41, thereby can drive bevel gear one 42 and rotate, and can drive bevel gear two 43 and rotate, thereby can make threaded rod 44 rotate, and can drive screw slide 45 and slide, thereby make slip pinion rack 46 slide, thereby can drive wheel 47 and rotate, and can drive spliced pole 48 and rotate, thereby can drive display screen 3 and rotate, the angle of having made things convenient for the free regulation to display screen 3, make presentation device's use more convenient.
Examples
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the moving mechanism 5 comprises a driving handle 51, the driving handle 51 is movably connected to the top of the fixed seat 1, the bottom end of the driving handle 51 is fixedly connected with a worm 52, the worm 52 is movably connected to the inside of the fixed seat 1, the side surface of the worm 52 is in meshed connection with a worm wheel 53, the front end of the worm wheel 53 is fixedly connected with a rotating block 54, the side surface of the rotating block 54 is slidably connected with a lifting plate 55, one end of the lifting plate 55 is fixedly connected with a supporting leg 56, the supporting leg 56 is slidably connected to the bottom end of the inside of the fixed seat 1, and the bottom end of the supporting leg 56 is movably connected with a moving pulley 57.
In this embodiment, when the demonstration device is used, through rotating the driving handle 51, the worm 52 can be driven to rotate, the worm wheel 53 can be driven to rotate, the rotating block 54 can be driven to rotate, the lifting plate 55 can be driven to lift, the supporting legs 56 can be driven to lift, the extension and retraction of the movable pulley 57 can be controlled, the movement and fixation of the device can be controlled, the stability of the device during demonstration is improved, and the demonstration device is more convenient to use.
Examples
As shown in fig. 1-4, on the basis of embodiment 2, the present utility model provides a technical solution: preferably, the supporting leg 56 comprises a sliding plate 561, the sliding plate 561 is fixedly connected with one end of the lifting plate 55, the inner bottom end of the sliding plate 561 is fixedly connected with a hydraulic damping rod 562, the bottom end of the hydraulic damping rod 562 is fixedly connected with a supporting plate 563, the bottom end of the supporting plate 563 is movably connected with the side face of the movable pulley 57, the top of the supporting plate 563 is fixedly connected with a jacking plate 564, the top end of the jacking plate 564 extends to the inner part of the sliding plate 561, the top end of the jacking plate 564 is fixedly connected with a buffer spring 565, the top end of the buffer spring 565 is fixedly connected with a metal plate spring 566, and the metal plate spring 566 is fixedly connected with the inner part of the sliding plate 561.
In this embodiment, when the device is moved by the moving pulley 57, the supporting plate 563 can push the tightening plate 564 to press the buffer spring 565, so that the movement of the device can be buffered, and the buffering effect can be better by pressing the metal plate spring 566, meanwhile, through the arrangement of the hydraulic damping rod 562, the shaking of the device during the movement can be reduced, so that the movement of the device is more convenient.
The working principle of the demonstration device is specifically described below.
As shown in fig. 1-4, when the demonstration device is used, the worm 52 can be driven to rotate by the driving handle 51, the worm wheel 53 can drive the rotating block 54 to rotate, the supporting leg 56 can be driven to lift by the lifting plate 55, the movable pulley 57 is retracted, the device is conveniently fixed, the bevel gear one 42 can be driven to rotate by the rotating handle 41, the bevel gear two 43 can drive the threaded rod 44 to rotate, the sliding toothed plate 46 can be driven to slide by the threaded sliding plate 45, the connecting column 48 can be driven to rotate by the driving wheel 47, the display screen 3 can be conveniently driven to rotate, the angle of the display screen 3 can be freely adjusted, and the demonstration device is more convenient to use.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a presentation device, includes fixing base (1), the top both sides fixedly connected with support frame (2) of fixing base (1), the inboard of support frame (2) is provided with display screen (3), its characterized in that: an adjusting mechanism (4) is movably connected to the outer side of the supporting frame (2), and a moving mechanism (5) is movably connected to the middle of the top end of the fixing seat (1); the adjusting mechanism (4) comprises a rotating handle (41), the rotating handle (41) is movably connected to the outer side of the supporting frame (2), one end of the rotating handle (41) is fixedly connected with a first bevel gear (42), the first bevel gear (42) is movably connected to the inner side of the supporting frame (2), a second bevel gear (43) is connected to the side face of the first bevel gear (42) in a meshed mode, a threaded rod (44) is fixedly connected to the top of the second bevel gear (43), a threaded slide plate (45) is connected to the side face of the threaded rod (44) in a threaded mode, a sliding toothed plate (46) is fixedly connected to the front end of the threaded slide plate (45), a driving wheel (47) is connected to the side face of the sliding toothed plate (46) in a meshed mode, a connecting column (48) is fixedly connected to one end of the driving wheel (47), and the connecting column (48) is fixedly connected to the display screen (3).
2. A presentation device as claimed in claim 1, wherein: the moving mechanism (5) comprises a driving handle (51), the driving handle (51) is movably connected to the top of the fixing seat (1), a worm (52) is fixedly connected to the bottom end of the driving handle (51), and the worm (52) is movably connected to the inside of the fixing seat (1).
3. A presentation device as claimed in claim 2, wherein: the side of worm (52) meshing is connected with worm wheel (53), the front end fixedly connected with rotary block (54) of worm wheel (53), the side sliding connection of rotary block (54) has lifter plate (55).
4. A presentation device as claimed in claim 3, wherein: one end fixedly connected with supporting leg (56) of lifter plate (55), supporting leg (56) sliding connection is in the inside bottom of fixing base (1), the bottom swing joint of supporting leg (56) has movable pulley (57).
5. A play set as defined in claim 4, wherein: the supporting leg (56) comprises a sliding plate (561), the sliding plate (561) is fixedly connected to one end of the lifting plate (55), a hydraulic damping rod (562) is fixedly connected to the inner bottom end of the sliding plate (561), a supporting plate (563) is fixedly connected to the bottom end of the hydraulic damping rod (562), and the bottom end of the supporting plate (563) is movably connected with the side face of the movable pulley (57).
6. A play set as in claim 5, wherein: the top fixedly connected with top tight board (564) of backup pad (563), the inside that top tight board (564) was extended to sliding plate (561), the top fixedly connected with buffer spring (565) of top tight board (564), the top fixedly connected with metal leaf spring (566) of buffer spring (565), metal leaf spring (566) fixed connection is in sliding plate (561) inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321912805.4U CN220647600U (en) | 2023-07-20 | 2023-07-20 | Demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321912805.4U CN220647600U (en) | 2023-07-20 | 2023-07-20 | Demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220647600U true CN220647600U (en) | 2024-03-22 |
Family
ID=90292752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321912805.4U Active CN220647600U (en) | 2023-07-20 | 2023-07-20 | Demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220647600U (en) |
-
2023
- 2023-07-20 CN CN202321912805.4U patent/CN220647600U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209168467U (en) | A kind of firm teaching demonstration device | |
| CN112318232A (en) | Redwood furniture polishing system and polishing method | |
| CN220647600U (en) | Demonstration device | |
| CN215636134U (en) | Building engineering cost presentation device | |
| CN116753002A (en) | Adjustable coal mine side wall supporting column and supporting method thereof | |
| CN109176443B (en) | General assembly training platform | |
| CN216941096U (en) | Clamping device is used in processing of leisure deck chair backplate | |
| CN214127850U (en) | Consultation display device for technical consultation | |
| CN215303754U (en) | Movable and fixed lifting table | |
| CN214283947U (en) | Over-and-under type teaching filing cabinet | |
| CN212446868U (en) | Liftable blackboard | |
| CN220893981U (en) | Detection test bed | |
| CN219147926U (en) | Medical equipment fixer | |
| CN219894990U (en) | But height-adjusting's teaching podium | |
| CN220840110U (en) | Fixing device for construction of stiff cross-shaped steel member | |
| CN218922016U (en) | Drawing table for advertisement design capable of being folded and supported | |
| CN114235259B (en) | Prestress detection device of steel structure | |
| CN221290623U (en) | Glass edging machine | |
| CN213021625U (en) | Visual detection device with adjustable area | |
| CN221356287U (en) | Drawing fixing device with adjustable | |
| CN218957301U (en) | Drilling sand table for expressway | |
| CN214616327U (en) | Take lighting device's companion ladder installing support | |
| CN215643351U (en) | Head model display rack with all-dimensional display structure for teaching | |
| CN220886876U (en) | Multifunctional integrated network equipment detection tool | |
| CN214517998U (en) | Support device for gear machining |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |