CN110716370A - Flexible and foldable field collecting lens hood - Google Patents

Flexible and foldable field collecting lens hood Download PDF

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Publication number
CN110716370A
CN110716370A CN201910870128.6A CN201910870128A CN110716370A CN 110716370 A CN110716370 A CN 110716370A CN 201910870128 A CN201910870128 A CN 201910870128A CN 110716370 A CN110716370 A CN 110716370A
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CN
China
Prior art keywords
frame
flexible
elastic
connecting shaft
limiting connecting
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CN201910870128.6A
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Chinese (zh)
Inventor
李淑华
李奥伟
黄坤
潘瑜春
郜允兵
董士伟
郝星耀
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Beijing Research Center for Information Technology in Agriculture
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Beijing Research Center for Information Technology in Agriculture
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Priority to CN201910870128.6A priority Critical patent/CN110716370A/en
Publication of CN110716370A publication Critical patent/CN110716370A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B15/00Special procedures for taking photographs; Apparatus therefor
    • G03B15/02Illuminating scene
    • G03B15/06Special arrangements of screening, diffusing, or reflecting devices, e.g. in studio
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B11/00Filters or other obturators specially adapted for photographic purposes
    • G03B11/02Sky masks

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Blocking Light For Cameras (AREA)

Abstract

The invention relates to the field of light auxiliary devices, and provides a flexible and foldable field collection lens hood, which comprises: a frame structure for supporting a flexible and foldable field collection hood; the frame structure includes: the first frame, the second frame, the third frame, the fourth frame and the fifth frame are telescopic; the first frame and the second frame are arranged along a first direction and are correspondingly and rotatably arranged at the two ends of the third frame through the limiting connecting shafts; the fourth frame and the fifth frame are arranged along the second direction and are correspondingly and rotatably arranged at two ends of the third frame through the limiting connecting shaft. The light shield provided by the invention can be freely stretched according to the size requirement of electronic equipment by arranging the frames with the uniform length, and the light shielding area and angle can be freely changed under different corresponding light scenes, so that the problem of adaptation of a single light shield is effectively solved.

Description

Flexible and foldable field collecting lens hood
Technical Field
The invention relates to the field of light auxiliary devices, in particular to a flexible and foldable field collection lens hood.
Background
In field data acquisition and other operation activities, the existing light portable mobile equipment is widely applied due to the characteristics of small volume, excellent performance and the like. In field operation, factors such as the intensity and the angle of light can directly influence the operation effect of the portable mobile equipment. The existing lens hood has poor adaptability to equipment size and light scene, is large in size after being disassembled, and is not beneficial to being folded and carried in the field. Therefore, the invention directly improves the existing light shield into a flexible foldable light shield which is suitable for field operation environment and has the characteristics of flexible adaptation and convenient carrying.
The design concept of the light shield in the market mainly aims at the light shields with different adaptations of various models and sizes of flat panels, mobile phones, PDAs, cameras and the like, wherein the intelligent portable mobile devices such as the flat panels, the mobile phones, the PDAs and the like mainly adopt a three-panel light shielding scheme, namely, the front, the left and the right sides are used for shielding light, and hard partition plates are adopted for splicing. Or a novel semi-immersion type/full-immersion type lens hood is arranged, and a lens hood with standard and standard size is adopted. Both the conventional three-sided shade and the new semi-immersion/full-immersion type shades have certain disadvantages. The existing light shield is not enough:
1) a single light shield is difficult to adapt to multiple size equipment, the part of the light shields which are matched with the multiple types of equipment can only be adjusted in a small range of sizes, and a plurality of matched light shields still need to be carried if different sizes of equipment are needed for operation after exceeding a certain adjusting range.
2) The shade is not able to adjust the shade area and angle to the actual situation. The existing light shield generally forms a series of products, each product is designed according to the size of equipment, more consideration is given to adapting the equipment, and the shading area and angle are changed by manually changing the shading direction corresponding to shading in different light scenes, so that the operation is inconvenient.
Disclosure of Invention
Technical problem to be solved
In view of above-mentioned technical defect and application demand, this application provides a collapsible open-air collection lens hood of flexibility, aims at solving the adaptation of current single lens hood and the regulation problem of shading area and angle.
(II) technical scheme
To solve the above problems, the present invention provides a flexible and foldable field collecting light shield, comprising: a frame structure for supporting a flexible and foldable field collection hood; the frame structure includes: the first frame, the second frame, the third frame, the fourth frame and the fifth frame are telescopic; the first frame and the second frame are arranged along a first direction and are correspondingly and rotatably arranged at the two ends of the third frame through the limiting connecting shafts; the fourth frame and the fifth frame are arranged along the second direction and are correspondingly and rotatably arranged at two ends of the third frame through the limiting connecting shaft.
Further, a first limit connecting shaft and a second limit connecting shaft; the first frame and the fourth frame are arranged at the first end of the third frame through the first limiting connecting shaft; the second frame and the fifth frame are arranged at the second end of the third frame through the second limiting connecting shaft.
Furthermore, a first connector capable of rotating around the horizontal direction and a second connector capable of rotating around the vertical direction are arranged on the first limiting connecting shaft, and a third connector capable of rotating around the horizontal direction and a fourth connector capable of rotating around the vertical direction are arranged on the second limiting connecting shaft; the first limiting connecting shaft is rotatably connected with the first frame through the first connector, and the first limiting connecting shaft is rotatably connected with the fourth frame through the second connector; the second limiting connecting shaft is rotatably connected with the second frame through the third connecting head; the second limiting connecting shaft is rotatably connected with the fifth frame through the fourth connector.
Further, still include: a flexible light shading surface; the flexible light shading surface comprises: the first flexible shading surface, the second flexible shading surface and the third flexible shading surface; first flexible shading face is followed the length direction scalable the accomodating of first frame is in the fourth frame, the flexible shading face of second is followed the length direction scalable the accomodating of second frame is in the fifth frame, the flexible shading face of third is followed the fourth frame with the length direction of fifth frame is acceptd in the third frame.
Furthermore, a hook used for connecting the telescopic end of the first frame is arranged on the first flexible shading surface, a hook used for connecting the telescopic end of the second frame is arranged on the second flexible shading surface, and two sides of the third flexible shading surface are correspondingly connected with the telescopic end of the fourth frame and the telescopic end of the fifth frame.
Furthermore, elastic contraction devices used for connecting corresponding flexible shading surfaces are arranged in the third frame, the fourth frame and the fifth frame.
Further, the elastic contraction device includes: a first elastic shaft, a second elastic shaft, and a third elastic shaft; a first elastic shaft is arranged in the fourth frame and used for accommodating the first flexible shading surface; the second elastic shaft is arranged in the fifth frame and used for accommodating the second flexible shading surface; and a third elastic shaft is arranged in the third frame, and the third frame is used for accommodating the third flexible shading surface.
Further, the first elastic shaft, the second elastic shaft and the third elastic shaft have the same structure, and each of the first elastic shaft, the second elastic shaft and the third elastic shaft includes: the elastic rope comprises a first elastic mechanism, a second elastic mechanism and an elastic rope for connecting the first elastic mechanism and the second elastic mechanism; the first elastic mechanism and the second elastic mechanism are arranged at two ends in the same corresponding frame; the flexible shading surface is connected with the corresponding elastic rope and wound on the elastic rope.
Furthermore, a groove is formed in the third frame, the groove penetrates through the third frame, and the arrangement direction of the groove corresponds to the position of the fourth frame and the fifth frame which are contracted and then rotate in the vertical direction, and is used for accommodating the contracted and rotated fourth frame and the fifth frame.
Further, the first frame, the second frame and the third frame are linear frames, and the fourth frame and the fifth frame are arc frames.
(III) advantageous effects
The invention provides a flexible foldable field collection lens hood, which can be freely stretched according to the size requirement of electronic equipment by arranging the frames with the uniform length, can freely change the light shielding area and angle under different corresponding light scenes, and effectively solves the problem of adaptation of a single lens hood.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a frame structure according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of a flexible and collapsible field collection hood provided by an embodiment of the present invention after deployment;
FIG. 3 is a schematic view of a flexible and collapsible field collection hood provided by an embodiment of the present invention after storage;
wherein, 1, a first frame; 2. a second frame; 3. a third frame; 4. a fourth frame; 5. a fifth frame; 6. a limiting connecting shaft; 7. hooking; 8. an elastic contracting device; 9. a flexible light shading surface.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
The embodiment of the invention provides a flexible and foldable field collection light shield, which comprises the following components as shown in figure 1: a frame structure for supporting a flexible and foldable field collection hood; the frame structure includes: the length all is flexible first frame 1, second frame 2, third frame 3, fourth frame 4 and fifth frame 5. The both ends of third frame 3 are equipped with spacing connecting axle 6 respectively, and first frame 1 and second frame 2 set up and correspond rotatable setting at the both ends of third frame 3 through spacing connecting axle 6 along the first direction. The fourth frame 4 and the fifth frame 5 are arranged along the second direction and are correspondingly and rotatably arranged at two ends of the third frame 3 through the limiting connecting shaft 6.
The specific working principle is as follows: the length of the first frame 1, the second frame 2, the third frame 3, the fourth frame 4 and the fifth frame 5 is adjustable, the electronic equipment can be freely stretched according to the size requirement of the electronic equipment, such as a tablet or a mobile phone, and the electronic equipment is arranged in the whole frame structure.
1) The first frame 1 and the second frame 2 are responsible for the side faces and are adaptive to the width of the electronic equipment, and a clamp is arranged at the end, close to the third frame 3, of the first frame and the second frame and is used for clamping the electronic equipment or a support where the electronic equipment is located.
2) The third box 3 is responsible for adapting the electronic device length. The length of the device is adapted by changing the length of the third rim 3 by telescoping.
3) The fourth frame 4 and the fifth frame 5 are responsible for adapting to different shading area requirements. The fourth frame 4 and the fifth frame 5 together with other frames shield the upper space of the screen of the device.
The shading of different electronic devices under different lighting conditions is adapted by realizing the common adjustment of the 5 frames, and the shading area is controlled by controlling the length of the frames in use.
Through the setting, the electronic equipment with various sizes can be adapted. The lengths of the first frame 1, the second frame 2 and the third frame 3 are mainly adjusted to adapt to the sizes of different electronic devices. The frame is connected and slides in a telescopic mode through the guide rails, so that the length of the frame can be adjusted, and the guide rails can be positioned through friction among the guide rails. The set length of the guide rails will not slide easily in case the friction between the guide rails is sufficient.
The flexible foldable field collection lens hood provided by the invention can freely stretch according to the size requirement of electronic equipment by arranging the frames with the telescopic lengths, and can freely change the light shielding area and angle under corresponding different light scenes, thereby effectively solving the problem of adaptation of a single lens hood.
According to the above embodiments, in a preferred embodiment, as shown in fig. 1 and 2, the limit connecting shaft includes: the first limiting connecting shaft and the second limiting connecting shaft. The first frame 1 and the fourth frame 4 are arranged at the first end of the third frame 3 through a first limiting connecting shaft. The second frame 2 and the fifth frame 5 are arranged at the second end of the third frame 3 through a second limiting connecting shaft. The first limiting connecting shaft is provided with a first connector capable of rotating around the horizontal direction and a second connector capable of rotating around the vertical direction, and the second limiting connecting shaft is provided with a third connector capable of rotating around the horizontal direction and a fourth connector capable of rotating around the vertical direction.
Wherein, first connector, second connector, third connector and fourth connector all cup joint on the axle core that corresponds, according to the angle setting that the axle core corresponds for first connector, second connector, third connector and fourth connector can be followed the direction rotation that sets up. The first limiting connecting shaft is rotatably connected with the first frame 1 through a first connector, so that the first frame 1 can rotate horizontally. The first limiting connecting shaft is rotatably connected with the fourth frame 4 through the second connector, so that the fourth frame 4 can rotate vertically. The second limiting connecting shaft is rotatably connected with the second frame 2 through a third connector, so that the second frame 2 can rotate horizontally. The second limiting connecting shaft is rotatably connected with the fifth frame 5 through a fourth connecting head, so that the fifth frame 5 can rotate vertically.
Wherein, the included angle between the first frame 1 and the fourth frame 4 and the included angle between the second frame 2 and the fifth frame 5 can be adjusted according to the situation. Preferably, the included angle between the first frame 1 and the fourth frame 4 is 90 degrees, and the included angle between the second frame 2 and the fifth frame 5 is 90 degrees.
In this embodiment, the flexible collapsible field collection lens hood still includes: a flexible light-shading surface 9. The flexible light-shielding surface 9 includes: the first flexible shading surface, the second flexible shading surface and the third flexible shading surface. First flexible face of hiding is scalable accomodating in fourth frame 4 along the length direction of first frame 1, the flexible face of hiding of second is scalable accomodating in fifth frame 5 along the length direction of second frame 2, the third flexible face of hiding is acceptd in third frame 3 along the length direction of fourth frame 4 and fifth frame 5, the both sides that the third flexible face of hiding is connected with fourth frame 4 and fifth frame 5, the light that the face was hidden in the steerable third flexibility of moving through fourth frame 4 and fifth frame 5 shelters from the area.
Specifically, in the adjustment process of the flexible shading surface 9, flexible shading materials are respectively shaded on three sides, namely the front side and the left side and the right side. The front refers to a region enclosed by a third frame 3, a fourth frame 4 and a fifth frame 5, the left side refers to a region enclosed by the first frame 1 and the fourth frame, and the right side refers to a region enclosed by the second frame 2 and the fifth frame 5. The first flexible shading surface and the second flexible shading surface are relatively independent and can be opened or not according to conditions. When the light is strong, the three-side shading is completely opened, and the fourth frame 4 and the fifth frame 5 can be stretched at any time to change the shading area. When the light is weakened, only the front side shading can be opened, and the left and right side shading can be selectively retracted according to the actual situation. The shading area and the angle can be adjusted through the three-side retractable frame, wherein the flexible shading surface is retracted along with the size of the frame. The shading problem that different crowds use equipment in different operation directions is met. The optimal screen shading effect is obtained without changing the direction by a user.
Optionally, the first border 1, the second border 2 and the third border 3 are linear borders, and the fourth border 4 and the fifth border 5 are arc borders. The first frame 1, the second frame 2 and the third frame 3 can be made of light hard materials, for example: 304 stainless steel, the fourth frame 4 and the fifth frame 5 can be made of shape memory alloy and other materials with certain elasticity and memory, for example: nickel titanium shape memory alloys. Each section of frame of each frame is in a concave shape, is processed in sections and is connected and fastened through the inner grooves of each section of frame. Because the fourth frame 4 and the fifth frame 5 have certain memorability, the damage of the light shield or the damage of personnel caused by collision and abnormal bending in field operation can be avoided. Meanwhile, the adopted flexible shading surface can meet the requirements of stretching and folding at high frequency under the condition of meeting shading requirements.
According to the above embodiment, in a preferred embodiment, as shown in fig. 1, 2 and 3, the first flexible light shielding surface is provided with a hook 7 for connecting the telescopic end of the first frame 1, and the second flexible light shielding surface is provided with a hook 7 for connecting the telescopic end of the second frame 2. The hook 7 can be a magnetic hook. And the two sides of the third flexible shading surface are correspondingly connected with the telescopic end of the fourth frame 5 and the telescopic end of the fifth frame 5. Elastic contraction devices 8 which are used for being connected with corresponding flexible shading surfaces are arranged in the third frame 3, the fourth frame 4 and the fifth frame 5, namely the elastic contraction devices are arranged in the third frame 3, the fourth frame 4 and the fifth frame 5.
In this embodiment, the elastic contracting device 8 includes: a first elastic shaft, a second elastic shaft, and a third elastic shaft. A first elastic shaft is arranged in the fourth frame 4, and the fourth frame 4 is used for accommodating the first flexible shading surface. A second elastic shaft is arranged in the fifth frame 5, and the fifth frame 5 is used for accommodating a second flexible shading surface. A third elastic shaft is arranged in the third frame 3, and the third frame 3 is used for accommodating a third flexible shading surface. The elastic contraction device is used as a connecting mechanism of the frame and the flexible shading surface. When the length of each frame is adjusted, the flexible shading surface can be expanded along with the extension of the frame and contracted along with the shortening of the frame. In the tensioning process, the elastic contraction device can increase the elasticity along with the extension of the flexible shading surface, so that the requirement of shading in a large area is met, and the flexible shading surface in the shading process is always in a stretching state.
Wherein, the elastic shaft all includes: a first elastic mechanism, a second elastic mechanism and an elastic rope connecting the first elastic mechanism and the second elastic mechanism. The first elastic mechanism and the second elastic mechanism are arranged at two ends of the same frame correspondingly. The elastic ropes are suspended in the corresponding frames, and the flexible light shading surfaces are connected with the corresponding elastic ropes and wound on the elastic ropes. That is, the first flexible light shading surface, the second flexible light shading surface and the third flexible light shading surface are connected with and wound on the elastic ropes corresponding to the first flexible light shading surface, the third elastic shafts are respectively arranged in the third frame 3, the fourth frame 4 and the fifth frame 5 and used for rolling the flexible light shading materials on the elastic ropes, and the elastic ropes are used for preventing the flexible light shading surfaces 9 from popping out. One side of the first flexible shading surface on the left side is connected with the first elastic shaft of the fourth frame, the other side of the first flexible shading surface on the left side is connected with the magnetic hook, the magnetic hook is magnetically connected with the first frame through the magnetic hook, and the first flexible shading surface on the left side can be hung on the first frame through the magnetic hook. The second flexible light shading surface is similar to the first flexible light shading surface in connection mode, the second flexible light shading surface is connected with a second elastic shaft of the fifth frame, the other side of the second flexible light shading surface is connected with a magnetic hook, the second flexible light shading surface is magnetically connected with the second frame through the magnetic hook, and the second flexible light shading surface can be hung on the second frame through the magnetic hook.
In a preferred embodiment, according to the above embodiments, the third rim is provided with a recess, as shown in fig. 1, 2 and 3. The groove penetrates through the third frame 3, and the arrangement direction of the groove corresponds to the position of the fourth frame 4 and the fifth frame 5 which are contracted and then rotate along the vertical direction, and is used for accommodating the contracted and rotated fourth frame 5 and the contracted and rotated fifth frame 5. The spacing connecting axle of 6 optional magnetic force of spacing connecting axle, first spacing connecting axle control first frame 1 and the receiving and releasing of second frame 2, fourth frame 4 can be accomodate when not using and advance in third frame 3. The second frame 2 and the fifth frame 5 of the second limit connecting shaft, and the fifth frame 5 can be accommodated in the third frame 3 when not in use. And first frame 1 and second frame 2 receive to the position that becomes a straight line with third frame 3 through spacing connecting axle, arrange in the outside left side and the right side of third frame 3 respectively, finally realize the claviform state of accomodating, accomplish convenient to carry's purpose. Through the spacing mode of magnetism, the correct location of frame of being more convenient for. And the frame can be folded in a rod shape. The frame of the light shield can be folded and unfolded through mechanical design, and the storage problem of the plate-shaped light shield is solved. The light shield can be folded and unfolded by using a smaller space.
The unfolding process of the flexible foldable field collection lens hood comprises the following steps:
1) the light shield folded into a rod shape is unfolded to a state that 5 frames are separated through a magnetic limiting connecting shaft. And respectively twisting the first frame, the second frame, the fourth frame and the fifth frame along the magnetic limiting connecting shaft limiting guide rail by taking the third frame as a reference shaft, so that the first frame, the second frame and the third frame are on the same plane, and the first frame and the second frame are respectively vertical to the third frame. The fourth frame and the fifth frame are respectively vertical to the plane where the first frame, the second frame and the third frame are located after being unfolded.
2) Adjusting the distance of the third frame to adapt to the length of the electronic equipment, adjusting the lengths of the first frame and the second frame to adapt to the width of the electronic equipment, clamping the electronic equipment by using bayonets of the first frame and the second frame, and directly clamping the electronic equipment at the edge of a shell or a bracket if the electronic equipment is provided with the shell or the bracket.
3) The fourth frame and the fifth frame are stretched and adjusted to proper positions, the flexible shading surfaces can be adjusted along with the length of the frames in the stretching process, and flexible materials in the fourth frame and the fifth frame need to be tensioned by means of a third elastic shaft in the third frame.
4) The first flexible shading surface and the second flexible shading surface on the left side and the right side are stretched, the magnetic hook is directly pulled to the left and the right, and the magnetic hook can pull the first flexible shading surface and the second flexible shading surface to the positions of the first frame and the second frame. Wherein the first elastic shaft of the fourth frame and the second elastic shaft of the fifth frame are respectively used for tensioning the first flexible shading surface and the second flexible shading surface.
The flexible foldable field collecting lens hood storage process comprises the following steps:
1) the magnetic hook on the first frame and the second frame is taken down, the magnetic hook is contracted, the first flexible light shading surface and the second flexible light shading surface are arranged in the fourth frame and the fifth frame, the first flexible light shading surface connected with the first frame can be stored into the fourth frame, and the second flexible light shading surface connected with the second frame can be stored into the fifth frame.
2) Accomodate the first flexibility in both sides and hide the plain noodles and the second flexibility hides the plain noodles and finishes and can contract fourth frame and fifth frame in the segmentation of the one deck of bottom, when the shrink, the third flexibility hides the plain noodles and also can contract. After the contraction is finished, the fourth frame and the fifth frame are folded into the third frame through the magnetic limiting connecting shaft.
3) And the first frame and the second frame are contracted to the last section, and the first frame and the second frame are respectively folded to the left side and the right side of the third frame through the magnetic limiting connecting shaft.
4) And finally, the third frame is contracted, the shortest length is reduced, and the overall occupied space is reduced.
In summary, the flexible and foldable field collection light shield provided by the invention has the following beneficial effects and advantages compared with the prior art.
1. The flexible light shield and the telescopic folding frame are adopted to realize the adaptation of the mobile equipment with multiple sizes, the operation scenes of the mobile equipment with multiple types and different sizes are met, the equipment adaptation performance of the light shield is improved, and the difficulty that the light shield needs to be selected when different equipment is matched in the past is reduced. From the production angle, because the lens hood can adapt to various size equipment, the production of the die is reduced, the production and the use of the general lens hood are convenient for the replacement of damaged parts, the production cost is reduced, and meanwhile, the wide applicability of the same lens hood is also favorable for reducing the consumption of raw materials and protecting the environment.
2. The shading area and the angle are adjustable. The shading area and the shading angle can be reasonably adjusted according to different light intensities and the adaptation degree of different people to illumination. The shading degree in the same direction can be adjusted, and the shading area and angle can be adjusted by continuously changing the standing position and the hand-holding angle of a user in the past.
3. The light shield can be stored in a rod shape. The thickness that the slabby lens hood faces on the market is different, and folding back volume is great, need provide corresponding placing space scheduling problem and improve for bar-shaped fold condition, has reduced and has receive and release the volume, can shrink to bar-shaped when the lens hood does not use. Compared with the shading plate made of hard materials on the market, the shading plate has better folding performance and smaller volume and is easier to store into various containers.
4. The frame can be bent and memorized, and the flexible shading material can be stretched and folded. The fourth frame and the fifth frame can realize automatic recovery after deformation to a certain degree, the flexibility of the frames is increased, the damage of a light shield caused by collision and the like in the field operation process is avoided, and meanwhile, the safety of personnel under the condition that the personnel are in contact with the frames by mistake is also guaranteed. The flexible shading surface has better adaptability to stretching and folding in high-frequency use, the service life of the shading cover is prolonged, and the user satisfaction is improved. Meanwhile, necessary characters such as corresponding operation cautions and the like can be printed on the flexible shading surface, and the functions of propaganda and reminding of the light shield are added.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A flexible and foldable field collection light shield, comprising:
a frame structure for supporting a flexible and foldable field collection hood; the frame structure includes: the first frame, the second frame, the third frame, the fourth frame and the fifth frame are telescopic; the first frame and the second frame are arranged along a first direction and are correspondingly and rotatably arranged at the two ends of the third frame through the limiting connecting shafts; the fourth frame and the fifth frame are arranged along the second direction and are correspondingly and rotatably arranged at two ends of the third frame through the limiting connecting shaft.
2. The flexible and collapsible field collection light shield of claim 1, wherein the limiting connection shaft comprises: the first limiting connecting shaft and the second limiting connecting shaft;
the first frame and the fourth frame are arranged at the first end of the third frame through the first limiting connecting shaft; the second frame and the fifth frame are arranged at the second end of the third frame through the second limiting connecting shaft.
3. The flexible and foldable field collection hood as claimed in claim 2, wherein the first limiting connecting shaft is provided with a first connector capable of rotating around the horizontal direction and a second connector capable of rotating around the vertical direction, and the second limiting connecting shaft is provided with a third connector capable of rotating around the horizontal direction and a fourth connector capable of rotating around the vertical direction; the first limiting connecting shaft is rotatably connected with the first frame through the first connector, and the first limiting connecting shaft is rotatably connected with the fourth frame through the second connector; the second limiting connecting shaft is rotatably connected with the second frame through the third connecting head; the second limiting connecting shaft is rotatably connected with the fifth frame through the fourth connector.
4. The flexible and collapsible field collection light shield of claim 2, further comprising: a flexible light shading surface; the flexible light shading surface comprises: the first flexible shading surface, the second flexible shading surface and the third flexible shading surface;
first flexible shading face is followed the length direction scalable the accomodating of first frame is in the fourth frame, the flexible shading face of second is followed the length direction scalable the accomodating of second frame is in the fifth frame, the flexible shading face of third is followed the fourth frame with the length direction of fifth frame is acceptd in the third frame.
5. The flexible and foldable field collection hood according to claim 4, wherein a hook for connecting the telescopic end of the first frame is arranged on the first flexible shading surface, a hook for connecting the telescopic end of the second frame is arranged on the second flexible shading surface, and two sides of the third flexible shading surface are correspondingly connected with the telescopic end of the fourth frame and the telescopic end of the fifth frame.
6. The flexible and collapsible field collection shade of claim 5, wherein each of the third, fourth, and fifth rims has a resilient retractor disposed therein for engaging a corresponding flexible shade surface.
7. The flexible and collapsible field collection light shield of claim 6, wherein the elastic collapsing means comprises: a first elastic shaft, a second elastic shaft, and a third elastic shaft; a first elastic shaft is arranged in the fourth frame and used for accommodating the first flexible shading surface; the second elastic shaft is arranged in the fifth frame and used for accommodating the second flexible shading surface; and a third elastic shaft is arranged in the third frame, and the third frame is used for accommodating the third flexible shading surface.
8. The flexible and collapsible field collection light shield of claim 7, wherein the first, second and third elastic axes are identical in structure and each comprise: the elastic rope comprises a first elastic mechanism, a second elastic mechanism and an elastic rope for connecting the first elastic mechanism and the second elastic mechanism;
the first elastic mechanism and the second elastic mechanism are arranged at two ends in the same corresponding frame; the flexible shading surface is connected with the corresponding elastic rope and wound on the elastic rope.
9. The flexible and foldable field collection light shield of claim 2, wherein a groove is formed in the third frame, the groove penetrates through the third frame, and the groove is arranged in a direction corresponding to a position of the fourth frame and the fifth frame after being contracted and rotated in a vertical direction for accommodating the contracted and rotated fourth frame and the fifth frame.
10. The flexible and collapsible field collection light shield of claim 1, wherein the first, second, and third rims are rectilinear rims and the fourth and fifth rims are arcuate rims.
CN201910870128.6A 2019-09-16 2019-09-16 Flexible and foldable field collecting lens hood Pending CN110716370A (en)

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Publication number Priority date Publication date Assignee Title
CN111323987A (en) * 2020-03-19 2020-06-23 哈尔滨工业大学 Space expandable shading structure

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CN104750176A (en) * 2013-12-30 2015-07-01 刘芳 Computer display light shielding device
CN207251705U (en) * 2017-09-30 2018-04-17 国网山东省电力公司济宁供电公司 Mobile terminal hood
CN108363457A (en) * 2018-02-24 2018-08-03 李兴亭 A kind of novel Pad shades
CN208257897U (en) * 2018-04-03 2018-12-18 晏鹏 A kind of vehicle carried mobile phone protective shell

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DE29503652U1 (en) * 1995-03-07 1996-07-11 Winkelkoetter Heinz Anti-glare protection for computer screens
CN202067459U (en) * 2011-05-06 2011-12-07 山东省电力学校 Adjustable light shield cover of display screen
CN104750176A (en) * 2013-12-30 2015-07-01 刘芳 Computer display light shielding device
CN207251705U (en) * 2017-09-30 2018-04-17 国网山东省电力公司济宁供电公司 Mobile terminal hood
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111323987A (en) * 2020-03-19 2020-06-23 哈尔滨工业大学 Space expandable shading structure
CN111323987B (en) * 2020-03-19 2021-06-04 哈尔滨工业大学 Space expandable shading structure

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