CN114185241A - Agricultural farming propaganda is with portable data projection display device - Google Patents
Agricultural farming propaganda is with portable data projection display device Download PDFInfo
- Publication number
- CN114185241A CN114185241A CN202210143674.1A CN202210143674A CN114185241A CN 114185241 A CN114185241 A CN 114185241A CN 202210143674 A CN202210143674 A CN 202210143674A CN 114185241 A CN114185241 A CN 114185241A
- Authority
- CN
- China
- Prior art keywords
- curtain
- propaganda
- folding
- projection display
- display device
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- 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.)
- Pending
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
The invention relates to the technical field of projection display, and particularly discloses a portable data projection display device for agricultural farming propaganda, which comprises a curtain, a folding assembly for installing the curtain, a base fixed at the bottom of the folding assembly, a connecting shaft for winding the curtain, and a storage box for storing the curtain and the folding assembly, wherein the top and the bottom of the curtain are connected with the folding assembly; the curtain can be folded and stored after the curtain is unfolded and explained, and the storage box can be stored together with the projector used in the explanation, so that the curtain is convenient to carry and can be unfolded according to different use conditions, and the requirement for explaining the agricultural farming knowledge is met.
Description
Technical Field
The invention relates to the technical field of projection display, in particular to a portable data projection display device for agricultural farming propaganda.
Background
Agricultural development is the foundation of the livelihood, and the development of the society can be stable only if the agricultural development steps into sustainability. The basis of agriculture is planting technology, and in the knowledge of the general public, agriculture is a technology eaten by experience, but otherwise, under the scientific progress, the development of agriculture cannot leave the scientific planning.
In some remote places, due to unreasonable fertilization and planting technologies, soil is hardened, the yield of food crops is reduced, due to insufficient cognition, the soil is further unsuitable for planting crops due to further deteriorated ecological environment of the soil, and the problems are caused by the lack of agricultural basic knowledge, so that it is necessary for practitioners in the planting industry to conduct propaganda and training.
Because the agricultural training is generally explained by depending on the local actual situation to customize the customized scheme, the agricultural training is often explained in the field, and the equipment during the explanation needs to be convenient to carry and use, so that the portable data projection display device for agricultural cultivation propaganda is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a portable data projection display device for agricultural farming propaganda, which is used for solving the problems in the background art.
The invention discloses a portable data projection display device for agricultural farming propaganda, which comprises a curtain, a folding component for installing the curtain, a base fixed at the bottom of the folding component, a connecting shaft for rolling the curtain, and a storage box for storing the curtain and the folding component,
the top and the bottom of the curtain are both connected with the folding assembly;
the folding assembly comprises two hollow cylinders, a connecting shaft arranged on the inner sides of the cylinders and a folding chain for folding;
two the outside fixedly connected with of drum is two connection commentaries on classics pieces that are the symmetry and set up, it cup joints with folding chain mutually to connect the commentaries on classics piece.
Through the design of the technical scheme, the folding chain is matched with the two cylinders to enable the folding assembly to carry the curtain to be folded, so that the requirement for accommodating the curtain after the use is completed is met.
As a further improvement of the invention, the middle part of the connecting shaft forms a folding structure through a fixing piece, and the connecting shaft is positioned in the middle of the inner side of the folding assembly.
Through the design of the technical scheme, the folding mechanism formed by the connecting shaft on the fixing piece can be folded by wearing the connecting shaft when the curtain is folded, so that the curtain can be better supported.
As a further improvement of the invention, two bases which are symmetrically arranged are fixedly connected to the bottom of the folding assembly, and the bases are arranged in parallel with the ground.
As a further improvement of the invention, the two ends of the folding assembly are fixedly connected with baffle plates, each baffle plate comprises a circular plate and a fixing plate, the middle part of each fixing plate is provided with a cross-shaped flower groove, and the cross-shaped flower grooves are connected with the connecting shafts.
Through the design of the technical scheme, the fixed frame which is arranged by the cross flower groove in a matched mode can be screwed through the screwdriver, so that the connecting shaft can rotate, the expansion length of the curtain can be adjusted, and the curtain can be adjusted according to different use conditions.
As a further improvement of the invention, two groups of symmetrically arranged slide blocks are arranged on the back surface of the curtain, the outer sides of the slide blocks are movably connected with a damping rod, and the ends, close to each other, of the two damping rods are connected through a rotating shaft.
Through the design of above-mentioned basic scheme, utilize damping rod cooperation axis of rotation, can support the back of curtain for the curtain has the ability that expandes levelly and smoothly, satisfies the needs of declaring the show at the field ground.
As a further improvement of the invention, the containing box comprises a box body, a sealing plate for sealing the box body, a reinforcing plate connected to the bottom of the box body and a loading cylinder butted with the box body.
Through the design of the technical scheme, the storage box is matched with the sealing plate, so that the curtain can be stored after being folded, and the curtain is convenient for workers to carry.
As a further improvement of the invention, the inner side of the loading cylinder is provided with an inner ring, and the inner side of the inner ring is connected with one side of the reinforcing plate at the bottom of the box body through a threaded ring.
As a further improvement of the invention, one side of the front surface of the sealing plate is movably connected with a hasp and an integrally formed bump, and the bump is matched with the hasp.
The curtain is composed of an anti-light layer for reducing light source reflection, a woven layer for increasing curtain structural force and a waterproof layer for preventing water.
Compared with the prior art, the invention has the following beneficial effects:
1. the curtain can be folded and stored after the curtain is unfolded and explained, and the storage box can be stored together with the projector used in the explanation, so that the curtain is convenient to carry and can be unfolded according to different use conditions, and the requirement for explaining the agricultural farming knowledge is met.
2. The curtain can be better butted together when being folded by the folding components arranged by matching the arranged folding chains, so that the curtain can be stably stored in the storage box, the whole curtain can be well used in the field when animation and projection are displayed through the matching among the light-resistant layer, the woven layer and the waterproof layer, meanwhile, the waterproof layer can ensure the overall stability of the curtain and the dry state of the curtain in humid weather, the service life of the curtain is prolonged, the connecting shaft is arranged at the bottom of the curtain for rolling and storing, and the connecting shaft can be rotated through the rotation of the cross flower grooves, so that the curtain can be better rolled.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic view of a curtain and folding assembly of the present invention;
FIG. 2 is a schematic view of the back of the curtain and the folding assembly of the present invention;
FIG. 3 is a schematic view of a folding structure of the curtain and the folding assembly of the present invention;
FIG. 4 is a schematic view of a combination structure of a storage box and a loading barrel according to the present invention;
FIG. 5 is a schematic cross-sectional view of a folding assembly of the present invention;
FIG. 6 is a schematic view of a multi-layer assembly of the curtain of the present invention;
FIG. 7 is an enlarged view of the structure at A in FIG. 5 according to the present invention;
FIG. 8 is a side view of the baffle of the present invention.
In the figure: 01. a curtain; 02. a folding assembly; 03. folding the chain; 04. a base; 05. a baffle plate; 06. a storage box; 07. connecting the rotary block; 101. a light-resistant layer; 102. weaving layer; 103. a waterproof layer; 201. a connecting shaft; 202. a fixing member; 203. a cross flower groove; 204. a slider; 205. a rotating shaft; 206. a damping lever; 501. a fixing plate; 502. a circular plate; 601. a sealing plate; 602. a hasp; 603. a bump; 604. a reinforcing plate; 605. a thread ring; 606. an inner ring; 607. and (4) loading the barrel.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1-8, the portable data projection display device for agricultural cultivation propaganda of the present invention comprises a curtain 01, a folding assembly 02 for mounting the curtain 01, a base 04 fixed at the bottom of the folding assembly 02, a connecting shaft 201 for winding the curtain 01, and a storage box 06 for storing the curtain 01 and the folding assembly 02,
the top and the bottom of the curtain 01 are both connected with the folding component 02;
the folding assembly 02 comprises two hollow cylinders, a connecting shaft 201 arranged on the inner sides of the cylinders and a folding chain 03 for folding;
two the outside fixedly connected with of drum is two and is the connection commentaries on classics piece 07 that the symmetry set up, connect commentaries on classics piece 07 and folding chain 03 and cup joint mutually, thereby utilize two drums of folding chain 03 cooperation to let folding subassembly 02 take curtain 01 to fold and satisfy the needs that curtain 01 took after the use is accomplished, the middle part of connecting axle 201 passes through mounting 202 and forms fifty percent discount structure, connecting axle 201 is located the inboard middle part of folding subassembly 02. The fixing member 202 may be a chain, a folding movable rod, or the like, which can achieve the folding effect.
The folding mechanism formed by the connecting shaft 201 on the fixing piece 202 can be folded together with the connecting shaft 201 when the curtain 01 is folded, so that the curtain 01 can be better supported.
Two base 04 that are the symmetry and set up of the bottom fixedly connected with of folding assembly 02, this base 04 is parallel arrangement with ground, and the bottom of base 04 is dull polish form setting, and the bottom of base 04 can be adjusted simultaneously, can let monoblock curtain 01 keep steadily when using.
The two ends of the folding component 02 are fixedly connected with baffle plates 05, the baffle plates 05 comprise a circular plate 502 and a fixing plate 501, the middle part of the fixing plate 501 is provided with a cross flower groove 203, the cross flower groove 203 is connected with the connecting shaft 201, the cross flower groove 203 can be in a plum blossom shape, a cross shape or a flat shape, and can be matched with a corresponding screwdriver,
the fixed frame that utilizes the cooperation of cross flower groove 203 to set up can twist through the screwdriver and move cross flower groove 203 to let connecting axle 201 rotate, can adjust curtain 01's expansion length from this, adjust the use according to the in service behavior of difference.
The back of curtain 01 is equipped with two sets of sliders 204 that are the symmetry and set up, the outside swing joint of slider 204 has a damping rod 206, two the one end that damping rod 206 is close to each other is connected through axis of rotation 205, and damping rod 206 also can be the setting of whole complete vertical pole, and this vertical pole is made for memory metal, can fold, and damping rod 206's integration is stronger this moment.
Utilize the damping rod 206 cooperation axis of rotation 205, can support the back of curtain 01 for curtain 01 has the ability of expandeing levelly and smoothly, satisfies the needs of declaring the show at the field ground.
The containing box 06 includes a box body, a sealing plate 601 for sealing the box body, a reinforcing plate 604 connected to the bottom of the box body, and a loading cylinder 607 butted to the box body.
Utilize containing box 06 cooperation closing plate 601, can fold curtain 01 after, accomodate, the staff of being convenient for carries.
An inner ring 606 is mounted on the inner side of the loading cylinder 607, and the inner side of the inner ring 606 is connected to the reinforcing plate 604 side of the bottom of the box body by a screw ring 605.
One side of the front surface of the sealing plate 601 is movably connected with a hasp 602 and an integrally formed bump 603, and the bump 603 is matched with the hasp 602.
The curtain 01 consists of a light-resistant layer 101 for reducing light source reflection, a woven layer 102 for increasing the structural force of the curtain 01 and a waterproof layer 103 for preventing water, wherein the light-resistant layer 101 is a coated anti-reflection coating, and the woven layer 102 is a structural layer body woven by polyester fiber warps and wefts; the waterproof layer 103 is a water-resistant coating applied to the entire curtain.
In the use of the invention:
firstly, the curtain 01 to be displayed is taken out of the containing box 06, the curtain 01 can be unfolded through the unfolding of the folding component 02, then the curtain 01 can be driven to rotate by the cross flower groove 203 through a screwdriver, the connecting shaft 201 connected with the inside of the folding component 02 can be driven to rotate, the curtain 01 can be slowly lifted upwards through the displacement between the two damping rods 206 in the rotating process and the sliding block 204, and different curtain 01 display heights can be selected according to the height to be displayed;
after the curtain 01 is displayed, the inner ring 606 is rotated reversely from the bottom of the containing box 06, so that a projector used for projection can be taken out of the loading cylinder 607, a power supply is connected from an external output port of the electric automobile through a cable, and the projector can project a displayed picture on the displayed curtain 01, so that the announcement can be carried out in the field;
after saying the completion, the connection axle 201 is rotated in the opposite direction, lets the connection axle 201 can carry out the rolling to curtain 01, utilizes folding chain 03 to fold folding assembly 02 this moment, places whole curtain 01 together with folding assembly 02 in the middle of containing box 06 at last, and the projecting apparatus still place and load a section of thick bamboo 607 inside can.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. The utility model provides an agricultural farming propaganda is with portable data projection display device, includes the folding assembly of curtain, installation curtain, fixes the base in the folding assembly bottom to and the connecting axle of rolling curtain, and be used for accomodating curtain and folding assembly's containing box, its characterized in that:
the top and the bottom of the curtain are both connected with the folding assembly;
the folding assembly comprises two hollow cylinders, a connecting shaft arranged on the inner sides of the cylinders and a folding chain for folding;
two the outside fixedly connected with of drum is two connection commentaries on classics pieces that are the symmetry and set up, it cup joints with folding chain mutually to connect the commentaries on classics piece.
2. The agricultural agro-farming propaganda portable data projection display device of claim 1, characterized in that: the middle part of the connecting shaft forms a folding structure through a fixing piece, and the connecting shaft is positioned in the middle of the inner side of the folding assembly.
3. The agricultural agro-farming propaganda portable data projection display device of claim 1, characterized in that: the bottom fixedly connected with of folding component is two bases that are the symmetry and set up, and this base is parallel arrangement with ground.
4. The agricultural agro-farming propaganda portable data projection display device of claim 1, characterized in that: the folding assembly is characterized in that baffle plates are fixedly connected to two ends of the folding assembly and comprise circular plates and fixing plates, cross flower grooves are formed in the middle of the fixing plates and are connected with the connecting shafts.
5. The agricultural agro-farming propaganda portable data projection display device of claim 1, characterized in that: the back of curtain is equipped with two sets of sliders that are the symmetry and set up, the outside swing joint of slider has a damping rod, two the one end that the damping rod is close to each other is connected through the axis of rotation.
6. The agricultural agro-farming propaganda portable data projection display device of claim 1, characterized in that: the containing box comprises a box body, a sealing plate for sealing the box body, a reinforcing plate connected to the bottom of the box body and a loading cylinder in butt joint with the box body.
7. The agricultural farming propaganda portable data projection display device of claim 6, characterized in that: the inner side of the loading cylinder is provided with an inner ring, and the inner side of the inner ring is connected to one side of the reinforcing plate at the bottom of the box body through a threaded ring.
8. The agricultural farming propaganda portable data projection display device of claim 6, characterized in that: one side of the front surface of the sealing plate is movably connected with a hasp and an integrally formed bump, and the bump is matched with the hasp.
9. The agricultural agro-farming propaganda portable data projection display device of claim 1, characterized in that: the curtain is composed of an anti-light layer for reducing light source reflection, a woven layer for increasing curtain structural force and a waterproof layer for preventing water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210143674.1A CN114185241A (en) | 2022-02-17 | 2022-02-17 | Agricultural farming propaganda is with portable data projection display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210143674.1A CN114185241A (en) | 2022-02-17 | 2022-02-17 | Agricultural farming propaganda is with portable data projection display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114185241A true CN114185241A (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210143674.1A Pending CN114185241A (en) | 2022-02-17 | 2022-02-17 | Agricultural farming propaganda is with portable data projection display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114185241A (en) |
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Application publication date: 20220315 |
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