CN215599929U

CN215599929U - Demonstration device for research and planning of homeland major

Info

Publication number: CN215599929U
Application number: CN202122002198.5U
Authority: CN
Inventors: 杨丹丹; 刘希; 何潇; 刘程月
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-01-21
Anticipated expiration: 2031-08-24

Abstract

The utility model relates to the technical field of demonstration devices, and discloses a demonstration device for national soil professional research and planning, which solves the problems that the existing demonstration device for planning is exposed in the air, easy to adhere dust and difficult to clean; this presentation device for national soil specialty research planning has effectual dustproof measure, makes the presentation device can effectually prevent dust at the in-process of show to can carry out convenient effectual installation and dismantlement to the model of show, thereby made things convenient for people's use.

Description

Demonstration device for research and planning of homeland major

Technical Field

The utility model belongs to the technical field of demonstration devices, and particularly relates to a demonstration device for research and planning of homeland major.

Background

The land resource planning takes the land of the whole country or a certain city of the country as a whole, and according to natural characteristics and economic conditions, a general planning scheme for developing and utilizing the land resources, governing and protecting the environment within a certain period is formulated, and on the basis, research opinions and suggestions for reasonably allocating the productivity, cities and towns and population are provided, so that the social and economic development conforms to the natural law and the economic law as much as possible, a good production and living environment is created for people, and the economic development is coordinated with the population, surrounding resources and the environment.

The existing demonstration devices for planning are exposed in the air for display, dust is easy to adhere to the exposed display, and the exposed display is difficult to clean, so that the demonstration devices have use defects; therefore, improvements are now needed in view of the current situation.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the demonstration device for the research and planning of the homeland specialty, and the demonstration device effectively solves the problems that the existing demonstration device for the planning is exposed in the air for showing, dust is easy to adhere to the demonstration device and is difficult to clean.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a presentation device is used in national soil specialty research planning, includes the base, the supporting legs is all installed to the four corners department of base bottom, and the protective frame is installed at the top of base, and a pair of recess has all been seted up to the both sides at protective frame top, and the closing plate is all installed to the inside one side of recess, and the inside mid-mounting of recess has the connecting block, installs the plastics transparent plate between the top of two inside connecting blocks of a pair of recess, and the inside of protective frame and the top that is located the base are equipped with the lift and place the board.

Preferably, a first sealing strip is installed at the top of the protective frame, a second sealing strip is installed at the top of the sealing plate, and the tops of the first sealing strip and the second sealing strip are in contact with the top of the plastic transparent plate.

Preferably, the groove has all been seted up to one side of recess bottom and has been accomodate the groove, accomodate the bottom in groove and install compression spring, and closing plate slidable mounting is in the inside of accomodating the groove, and the bottom of closing plate is connected with compression spring's top.

Preferably, the middle part of the groove is rotatably provided with a rotating pin, the bottom of the connecting block is fixedly connected with the rotating pin, and one side of the rotating pin is provided with a gear.

Preferably, the opposite side of recess bottom and the inner wall that is located the protective frame have all seted up perpendicular groove, erect the inside in groove and all install the rack, the upper portion of rack is located the inside of recess and is connected with gear engagement, the bottom of four racks all places board fixed connection with going up and down.

Preferably, the slide bar is all installed to the both sides of protection frame inner chamber bottom, and equal slidable mounting has the movable plate between the both ends of two slide bars, and the mid-mounting at base top has two play axle motors, and the threaded rod is all installed at the both ends of two play axle motors, and two threaded rods respectively with the middle part threaded connection of two movable plates, all rotate between the bottom of placing the board with going up and down and install two dwangs.

Compared with the prior art, the utility model has the beneficial effects that:

(1) in the work, the demonstration device for the research and planning of the local soil major is provided with effective dustproof measures by arranging the base, the supporting legs, the protective frame, the grooves, the sealing plates, the connecting blocks, the plastic transparent plates and the lifting placing plates, so that the demonstration device can effectively prevent dust in the demonstration process, and a displayed model can be conveniently and effectively mounted and dismounted, so that the use of people is facilitated;

(2) when the model at the top of the lifting placing plate needs to be disassembled, the double-output-shaft motor is started to enable the two threaded rods to rotate, the two movable plates can relatively move on the surfaces of the two sliding rods due to the rotation of the two threaded rods, the four rotating rods can be extruded due to the relative movement of the two movable plates, so that the four rotating rods push the lifting placing plate to move upwards, and the four racks are driven to move upwards due to the upwards movement of the lifting placing plate;

the four racks move upwards to drive the four gears to drive the four rotating pins and the four connecting blocks to rotate, and the four connecting blocks rotate to drive the two plastic transparent plates to rotate and open, so that the lifting placing plate is exposed to the outside to facilitate the installation and the disassembly of the model;

the rotation of four connecting blocks can extrude second sealing strip and closing plate simultaneously, makes the closing plate insert the inside of accomodating the groove and compress compression spring and make the connecting block can effectually rotate.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the internal structure of the present invention;

FIG. 3 is an enlarged view of the structure at A of FIG. 2 according to the present invention;

FIG. 4 is a partial schematic view of FIG. 3 according to the present invention;

FIG. 5 is a schematic view of the internal structure of FIG. 2 according to the present invention;

FIG. 6 is a schematic view of a portion of the structure of FIG. 5 according to the present invention;

in the figure: 1. a base; 2. supporting legs; 3. a protective frame; 4. a groove; 5. a sealing plate; 6. connecting blocks; 7. a plastic transparent plate; 8. lifting the placing plate; 9. a first seal strip; 10. a second seal strip; 11. a receiving groove; 12. a compression spring; 13. a rotation pin; 14. a gear; 15. a vertical slot; 16. a rack; 17. a slide bar; 18. moving the plate; 19. a double output shaft motor; 20. a threaded rod; 21. rotating the rod.

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; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 6, the utility model comprises a base 1, supporting legs 2 are respectively installed at four corners of the bottom of the base 1, a protective frame 3 is installed at the top of the base 1, a pair of grooves 4 are respectively formed at two sides of the top of the protective frame 3, a sealing plate 5 is installed at one side inside each groove 4, a connecting block 6 is installed at the middle part inside each groove 4, a plastic transparent plate 7 is installed between the tops of the two connecting blocks 6 inside each pair of grooves 4, a model of the interior of the protective frame 3 and the top of a lifting placing plate 8 can be effectively observed through the arrangement of the plastic transparent plates 7, the lifting placing plate 8 can be effectively wrapped and protected through the arrangement of the base 1, the protective frame 3 and the two plastic transparent plates 7, so that dust can be effectively prevented, the lifting placing plate 8 is arranged inside the protective frame 3 and positioned at the top of the base 1, and the lifting placing plate 8 is arranged through lifting, the model can be effectively placed and concealed;

first sealing strip 9 is installed at the top of protective frame 3, and second sealing strip 10 is all installed at the top of closing plate 5, and the top of first sealing strip 9 and second sealing strip 10 all contacts with the top of plastics transparent plate 7, through a sealing washer that first sealing strip 9 and second sealing strip 10 formed, can effectually seal dustproof.

In the second embodiment, on the basis of the first embodiment, as shown in fig. 3 to 6, one side of the bottom of the groove 4 is provided with a receiving groove 11, the bottom of the receiving groove 11 is provided with a compression spring 12, the sealing plate 5 is slidably mounted inside the receiving groove 11, and the bottom of the sealing plate 5 is connected with the top of the compression spring 12, so that the sealing plate 5 can be effectively adjusted in a lifting manner;

the middle of each groove 4 is rotatably provided with a rotating pin 13, the bottom of each connecting block 6 is fixedly connected with the corresponding rotating pin 13, one side of each rotating pin 13 is provided with a gear 14, the other side of the bottom of each groove 4 and the inner wall of each protecting frame 3 are provided with vertical grooves 15, racks 16 are arranged in the vertical grooves 15, the upper parts of the racks 16 are positioned in the grooves 4 and are meshed with the gears 14, and the bottoms of the four racks 16 are fixedly connected with the lifting placing plate 8, so that connection and transmission can be effectively carried out;

when the lifting placing plate 8 moves upwards in the protective frame 3, the lifting placing plate 8 can drive the four racks 16 to move upwards, the four racks 16 move upwards to transmit the four gears 14, so that the four gears 14 drive the four rotating pins 13 and the four connecting blocks 6 to rotate, and the four connecting blocks 6 rotate to drive the two plastic transparent plates 7 to rotate and open, so that the lifting placing plate 8 is exposed outside to facilitate the installation and the disassembly of the model;

the rotation of the four connecting blocks 6 extrudes the second sealing strip 10 and the sealing plate 5, so that the sealing plate 5 is inserted into the containing groove 11 to compress the compression spring 12, and the connecting blocks 6 can effectively rotate; at the same time, the sealing plate 5 can restore to the original position to seal and protect the groove 4 by the elasticity of the compression spring 12.

In the third embodiment, on the basis of the first embodiment, as shown in fig. 5, slide rods 17 are mounted on both sides of the bottom of the inner cavity of the protective frame 3, moving plates 18 are slidably mounted between both ends of the two slide rods 17, a double-output-shaft motor 19 is mounted in the middle of the top of the base 1, threaded rods 20 are mounted at both ends of the double-output-shaft motor 19, the two threaded rods 20 are respectively in threaded connection with the middle of the two moving plates 18, and two rotating rods 21 are rotatably mounted between the tops of the two moving plates 18 and the bottom of the lifting placing plate 8, so that power can be provided for lifting of the lifting placing plate 8 and opening and closing of the two transparent plastic plates 7;

by starting the double-output-shaft motor 19, the two threaded rods 20 are rotated, the two moving plates 18 can move relatively on the surfaces of the two sliding rods 17 by the rotation of the two threaded rods 20, the four rotating rods 21 can be extruded by the relative movement of the two moving plates 18, so that the four rotating rods 21 can push the lifting placing plate 8 to move upwards, and the lifting placing plate 8 moves upwards to drive the four racks 16 to move upwards.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a presentation device is used in national soil specialty research planning, includes base (1), its characterized in that: supporting legs (2) are all installed to the four corners department of base (1) bottom, protective frame (3) are installed at the top of base (1), a pair of recess (4) have all been seted up to the both sides at protective frame (3) top, closing plate (5) are all installed to the inside one side of recess (4), the internally mounted of recess (4) has connecting block (6), install plastics transparent plate (7) between the top of two connecting block (6) of a pair of recess (4) inside, the inside of protective frame (3) and the top that is located base (1) are equipped with and go up and down to place board (8).

2. The demonstration apparatus for territorial expertise research planning according to claim 1, wherein: first sealing strip (9) are installed at the top of protective frame (3), second sealing strip (10) are all installed at the top of closing plate (5), and the top of first sealing strip (9) and second sealing strip (10) all contacts with the top of plastics transparent plate (7).

3. The demonstration apparatus for territorial expertise research planning according to claim 1, wherein: groove (11) have all been seted up to one side of recess (4) bottom and have been accomodate groove (11), accomodate the bottom in groove (11) and install compression spring (12), closing plate (5) slidable mounting is in the inside of accomodating groove (11), and the bottom of closing plate (5) is connected with the top of compression spring (12).

4. The demonstration apparatus for territorial expertise research planning according to claim 1, wherein: the middle part of the groove (4) is rotatably provided with a rotating pin (13), the bottom of the connecting block (6) is fixedly connected with the rotating pin (13), and one side of the rotating pin (13) is provided with a gear (14).

5. The demonstration apparatus for territorial expertise research planning according to claim 1, wherein: the opposite side of recess (4) bottom and the inner wall that is located protective frame (3) have all been seted up and have been erected groove (15), erect the inside in groove (15) and all install rack (16), the upper portion of rack (16) is located the inside of recess (4) and is connected with gear (14) meshing, the bottom of four rack (16) all with go up and down place board (8) fixed connection.

6. The demonstration apparatus for territorial expertise research planning according to claim 1, wherein: slide bar (17) are all installed to the both sides of protective frame (3) inner chamber bottom, and equal slidable mounting has movable plate (18) between the both ends of two slide bars (17), and the mid-mounting at base (1) top has two play axle motor (19), and threaded rod (20) are all installed at the both ends of two play axle motor (19), and two threaded rod (20) respectively with the middle part threaded connection of two movable plates (18), all rotate between the bottom of placing board (8) with going up and down and install two dwang (21) at the top of two movable plates (18).