Frame assembly and passive remote image read-write device

Abstract

The utility model provides a frame assembly and passive far image read-write equipment, and relates to the field of far image equipment manufacturing, and the frame assembly comprises a frame module and a hydraulic module; the frame module comprises a first frame body, a second frame body and a third frame body which are connected in a hinged mode, the first frame body, the second frame body and the third frame body are each concavely formed with two symmetrical groove parts in the thickness direction of the frame body, the hydraulic module comprises two sets of hydraulic parts, and the two sets of hydraulic parts extend in the length direction of the hydraulic parts and are connected to the first frame body and the third frame body respectively; the two groups of hydraulic parts can apply force to drive the first frame body and the second frame body to rotate to a preset position in a space through stretching and retracting so as to switch an unfolding state and a folding state of the frame module; and in the folding state, the two groups of hydraulic parts are parallel to each other and are completely accommodated in the accommodating space formed by the plurality of groove parts. Through the ingenious structural design, compact folding and portability of the equipment are achieved; the use flexibility of the passive remote image read-write device can be improved, and the use requirements of various scenes can be met.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of far image device manufacturing, in particular to a frame assembly and a passive far image reading and writing device. BACKGROUND

[0002] The far image reading and writing device can change a close-range image into a far-distance virtual image based on optical principles, increase the eye distance without changing the physical distance, realize magnified imaging, avoid short-term myopia induced by long-term close-range eye use, and thus delay the occurrence and development of myopia. The far image reading and writing device can be divided into active and passive types according to whether a signal source needs to be connected.

[0003] In the related art, to meet the actual magnified imaging requirement, the frame of the far image reading and writing device is relatively large in size and lacks flexibility, and is difficult to adapt to the requirements of various occasions, especially in the home learning scenario. The overall frame of the existing far image reading and writing device occupies a large space, and is inconvenient to use and store. CONTENT OF THE INVENTION

[0004] In view of the deficiencies of the prior art, the present application provides a frame assembly and a passive far image reading and writing device, which solves the problem of large overall frame size and inflexible use and storage of the far image reading and writing device.

[0005] To achieve the above object, the present application is implemented by the following technical solutions:

[0006] In a first aspect, the present application provides a frame assembly, which comprises a frame module and a hydraulic module. The frame module comprises a first frame body, a second frame body and a third frame body connected by hinges, and each of the three frame bodies is recessed in the thickness direction to form two symmetrical groove portions. The third frame body provides a connecting portion on the side away from the second frame body to be connected to a hanging support. The hydraulic module comprises two groups of hydraulic components connected to the two sides of the second frame body respectively. The two groups of hydraulic components extend along the respective length directions and are connected to the first frame body and the third frame body respectively. The two groups of hydraulic components can drive the first frame body and the second frame body to rotate to a preset position in space by stretching and contracting to switch the unfolded state and the folded state of the frame module. In the folded state, the two groups of hydraulic components are parallel to each other and are completely accommodated in the accommodation space formed by the plurality of groove portions.

[0007] According to the first aspect of the present application, in the folded state, the plurality of groove portions are flush along a first direction, each hydraulic component is accommodated in at least part of the space provided by the two groove portions adjacent to the hydraulic component, and the extension direction of the hydraulic component is oblique to a second direction orthogonal to the first direction.

[0008] According to a first aspect of the embodiments of the present application, the recessed portions are strip-shaped, and the inner cavities of the recessed portions have a size larger than that of the hydraulic components in a contracted state; each recessed portion is formed with at least one threaded hole in a direction inwardly recessed by a preset depth from the wall surface, and the threaded hole is adjacent to an end of the recessed portion and has a recessed direction perpendicular to a length direction of the recessed portion.

[0009] According to the first aspect of the embodiments of the present application, in each recessed portion of the first frame body and the third frame body, the number of the threaded holes is one; and in each recessed portion of the second frame body, two threaded holes are symmetrically arranged at two ends.

[0010] According to the first aspect of the embodiments of the present application, the number of the hydraulic components in each group of the hydraulic components is two, and the two hydraulic components in the same group are symmetrically distributed on two sides of the frame module along the third direction; in the unfolded state, the extension directions of the two hydraulic components on the same side of the frame module are obliquely intersected in space.

[0011] According to the first aspect of the embodiments of the present application, the hydraulic component includes a hydraulic rod, a connecting component and a partition component; the hydraulic rod has two connecting ends, and the connecting ends are provided with through holes penetrating therethrough; the connecting component is arranged in the through hole and includes a main body portion and a threaded portion, the threaded portion is connected to a first end of the main body portion and is detachably connected to the threaded hole; the partition component includes a first structural body coaxially sleeved on an outer circumferential surface of the main body portion and a second structural body, the first structural body and the second structural body are in a continuous sheet shape and are located on two sides of the connecting end.

[0012] According to the first aspect of the embodiments of the present application, in the case where the threaded portion of the connecting component is threadedly connected to the threaded hole, the second end of the main body portion is flush with a side portion of the frame module perpendicular to the third direction.

[0013] According to the first aspect of the embodiments of the present application, the thickness of the second structural body is greater than that of the first structural body, and both the first structural body and the second structural body are plastic gaskets, and the connecting component is a threaded pin.

[0014] According to the first aspect of the embodiments of the present application, the hydraulic rod includes a first branch and a second branch telescopically accommodated in the first branch, and the first branch and the second branch each have one connecting end; in the hydraulic module, the connecting ends of the plurality of second branches are connected to the second frame body.

[0015] According to the first aspect of the embodiments of the present application, the second frame body, the first frame body and the third frame body are hingedly connected, and are spaced apart by an adjustable first angular distance and a second angular distance with the center of the hinge as the axis, and the first angular distance and the second angular distance are equal; in the unfolded state, the first frame body and the third frame body are perpendicular to each other, and the corresponding first angular distance and the second angular distance are each 45°.

[0016] In a second aspect, the embodiments of the present application provide a passive far-field reading and writing device, which includes the frame assembly in the first aspect.

[0017] The application provides a frame assembly and a passive far-field read-write device. Compared with the prior art, the following beneficial effects are achieved:

[0018] The frame assembly of the passive far-field read-write device provided by the application comprises a frame module and a hydraulic module. Under the telescopic driving of two groups of hydraulic components of the hydraulic module, a first frame body, a second frame body and a third frame body constituting the frame module can be stably unfolded and folded in space. Since the first frame body, the second frame body and the third frame body are each provided with a groove part, the two groups of hydraulic components are connected to the groove parts and the positions in space correspond to the groove parts. After the frame module is folded, the hydraulic components can be completely accommodated in the accommodation space constituted by the plurality of groove parts. The hydraulic components do not occupy additional space while supporting and adjusting the frame module, which is conducive to the folding and storage of the device frame assembly and can improve the use flexibility of the passive far-field read-write device and meet the use requirements of various scenes. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only constitute some embodiments of the application, and for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.

[0020] Figure 1 is a structural schematic diagram of a passive far-field read-write device provided by an embodiment of the application in an unfolded state;

[0021] Figure 2 is a structural schematic diagram of a passive far-field read-write device provided by an embodiment of the application in a folded state;

[0022] Figure 3 is an assembly perspective view of a groove part and a hydraulic component in a frame assembly provided by an embodiment of the application;

[0023] Figure 4 is an assembly sectional view of a groove part and a hydraulic component in a frame assembly provided by an embodiment of the application.

[0024] The drawings are as follows: frame module 1; first frame body 11; second frame body 12; third frame body 13; groove part 2; threaded hole A; hydraulic component 3; hydraulic rod 31; connecting end 311; through hole B; first branch 312; second branch 313; connecting component 32; main body part 321; threaded part 322; first structure 33; second structure 34; hinge 4; first direction X1; second direction X2; third direction X3. DETAILED DESCRIPTION

[0025] Obviously, the embodiments described are only a part of the embodiments of the present application, but not all the embodiments. Based upon the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0026] It should be noted that, in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between such entities or operations. Also, the terms "comprises", "comprising", or any other variations thereof are intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, an element defined by the statement "comprising a" does not exclude the existence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0027] The embodiments of the present application provide a frame assembly and a passive far-field reading and writing device, and solve the problems of large overall frame volume and inflexible use and storage of the far-field reading and writing device.

[0028] The technical solutions in the embodiments of the present application are as follows to solve the above technical problems:

[0029] The far-field reading and writing device can change a close-range image into a far-field virtual image based on optical principles, increase the eye distance without changing the physical distance, realize magnified imaging, avoid short-term myopia induced by long-term close-range eye use, and thus delay the occurrence and development of myopia. The far-field technology can also adjust a flat reading surface to a vertical reading surface, which is beneficial to improving the user's sitting posture. The far-field reading and writing device based on the far-field light screen has a broad market prospect. The far-field reading and writing device can be divided into active and passive types according to whether a signal source needs to be connected.

[0030] In the related art, to meet the actual magnified imaging requirement, the frame volume of the far-field reading and writing device is relatively large, and the flexibility is insufficient, which is difficult to adapt to the requirements of various occasions, especially in the family learning scene. The overall frame of the existing far-field reading and writing device occupies a large space, and is inconvenient to use and store.

[0031] In order to better understand the above technical solutions, the above technical solutions will be described in detail in combination with the drawings of the specification and specific embodiments.

[0032] Firstly, a frame assembly provided by the embodiment of the application is introduced below.

[0033] The frame assembly provided by the embodiment of the application comprises a frame module 1 and a hydraulic module. Figure 1 and Figure 3 The frame module 1 comprises a first frame body 11, a second frame body 12 and a third frame body 13 connected by hinges and recessed in the thickness direction of each of the three frame bodies to form two symmetrical groove portions 2. Figure 3 The groove portions 2 can be located on the side frame of the first frame body 11, the side frame of the second frame body 12 or the side frame of the third frame body 13. The first frame body 11, the second frame body 12 and the third frame body 13 are each provided with two groove portions 2, and the groove portions 2 in the first frame body 11, the second frame body 12 and the third frame body 13 are identical in form, position and size. The first frame body 11, the second frame body 12 and the third frame body 13 can be made of aluminum alloy to improve portability.

[0034] Specifically, the third frame body 13 is provided with a connecting portion on the side away from the second frame body 12 to connect with a hanging bracket. It can be understood that, in the use of the passive telephoto reading and writing device, the device uses the third frame body 13 in the frame assembly as a base, and is connected with a pre-installed hanging bracket through the connecting portion on the third frame body 13 to complete the assembly before use. The hydraulic module comprises two groups of hydraulic components 3 connected to the two sides of the second frame body 12 respectively, and the two groups of hydraulic components 3 extend along the length direction of each group and are connected to the first frame body 11 and the third frame body 13 respectively. It can be understood that, one group of hydraulic components 3 is used to support the first frame body 11 and the second frame body 12 and adjust the balance between the first frame body 11 and the second frame body 12, and the other group of hydraulic components 3 is used to support the second frame body 12 and the third frame body 13 and adjust the balance between the second frame body 12 and the third frame body 13.

[0035] Further, the two groups of hydraulic components 3 can be driven by force through extension and contraction to rotate the first frame body 11 and the second frame body 12 to a preset position in space to switch the unfolded state and the folded state of the frame module 1. Figure 2 In the folded state, the two groups of hydraulic components 3 are parallel to each other and are completely accommodated in the accommodation space formed by the plurality of groove portions 2, and the first frame body 11, the second frame body 12 and the third frame body 13 can abut without gaps, thereby reducing the occupied space.

[0036] In the embodiments of the present application, it can be understood that under the telescopic driving of the two groups of hydraulic components 3, the first frame body 11, the second frame body 12 and the third frame body 13 constituting the frame module 1 can be stably unfolded and folded in space; since the recessed portions 2 are formed on the first frame body 11, the second frame body 12 and the third frame body 13, the two groups of hydraulic components 3 are connected to the recessed portions 2 and the positions in space correspond to the recessed portions 2; after the frame module 1 is folded, the hydraulic components 3 can be completely accommodated in the accommodation space constituted by the plurality of recessed portions 2, the hydraulic components 3 can support and adjust the frame module 1 without occupying additional space, thereby facilitating the folding and storage of the equipment frame assembly and improving the use flexibility of the passive tele-imaging reading and writing equipment.

[0037] In some embodiments, please refer to Figure 2 and Figure 3 In the folded state, the plurality of recessed portions 2 are flush along the first direction X1, each hydraulic component 3 is accommodated in at least part of the space provided by the two recessed portions 2 adjacent to each other, and the extension direction is oblique to the second direction X2 orthogonal to the first direction X1.

[0038] In the embodiments of the present application, it can be understood that the hydraulic component 3 in the folded state is accommodated in the accommodation space provided by the two adjacent recessed portions 2, the hydraulic component 3 crosses the two recessed portions 2 and is arranged obliquely to the second direction X2, and the hydraulic component 3 does not need to occupy additional space.

[0039] In some embodiments, please refer to Figure 3 and Figure 4 The recessed portion 2 is arranged in a strip shape, the inner cavity size of the recessed portion 2 is greater than the size of the hydraulic component 3 after contraction, at least one threaded hole A is formed in each recessed portion 2 and recessed inwardly along the wall surface to a preset depth to be connected to the hydraulic component 3, and the threaded hole A is adjacent to the end of the recessed portion 2 and the recessed direction is perpendicular to the length direction of the recessed portion 2.

[0040] In the embodiments of the present application, it can be understood that since the inner cavity size of the recessed portion 2 is greater than the size of the hydraulic component 3 after contraction, space is provided for the hydraulic component 3 after contraction, and the position corresponding to the threaded hole A is connected by hinge.

[0041] In some embodiments, please refer to Figure 1 and Figure 3 In each recessed portion 2 of the first frame body 11 and the third frame body 13, the number of threaded holes A is one; two threaded holes A are symmetrically arranged at the two ends of each recessed portion 2 of the second frame body 12.

[0042] In the embodiment of the present application, it can be understood that in one recessed part 2 of the first frame body 11 and the third frame body 13, a position matched with the hydraulic component 3 is provided, and in one recessed part 2 of the second frame body 12, positions matched with the hydraulic components 3 from both sides are required to be provided, and the setting position and the number of the threaded holes A are related to the arrangement features of the hydraulic components 3 in the present application; the second frame body 12 in the present application is simultaneously supported by the hydraulic components 3 from both sides, which is beneficial to maintaining the balance of the frame module 1 as a whole.

[0043] In some embodiments, the number of the hydraulic components 3 in each group of the hydraulic components 3 is two, and the two hydraulic components 3 in the same group are symmetrically distributed on both sides of the frame module 1 along the third direction X3; in the unfolded state, the extension directions of the two hydraulic components 3 on the same side of the frame module 1 are obliquely intersected in space.

[0044] In the embodiment of the present application, please refer to Figure 1 It can be understood that the frame module 1 extends along the third direction X3, the first frame body 11, the second frame body 12 and the third frame body 13 are hollow inside to install corresponding lenses or imaging panels, and the recessed parts 2 are symmetrically provided on the opposite sides of the first frame body 11, the second frame body 12 and the third frame body 13 along the third direction X3, and the hydraulic components 3 are correspondingly connected and arranged in the recessed parts 2.

[0045] In some embodiments, please refer to Figure 3 and Figure 4 The hydraulic component 3 includes a hydraulic rod 31, a connecting piece 32 and a separation piece; the hydraulic rod 31 has two connecting ends 311, the connecting end 311 is provided with a through hole B penetrating through; the connecting piece 32 is threaded through the through hole B and includes a main body part 321 and a threaded part 322, the threaded part 322 is connected to the first end of the main body part 321 and is detachably connected with the threaded hole A; the separation piece includes a first structure 33 coaxially sleeved on the outer circumferential surface of the main body part 321 and a second structure 34, the first structure 33 and the second structure 34 are both in the form of continuous sheet and are located on both sides of the connecting end 311.

[0046] In the embodiment of the present application, it can be understood that the hydraulic rod 31 is hingedly assembled through the connecting ends 311 at both ends, the main body part 321 of the connecting piece 32 is a rotating shaft hingedly connected with the connecting end 311 of the hydraulic rod 31, and the main body part 321 is locked with the threaded hole A through the integrally formed threaded part 322.

[0047] In one example, please refer to Figure 3 and Figure 4In the case that the threaded part 322 of the connecting piece 32 is screwed into the threaded hole A, the second end of the body part 321 is flush with the side of the frame module 1 orthogonal to the third direction X3. The second structure 34 has a thickness greater than that of the first structure 33, and both are plastic spacers, and the connecting piece 32 is a threaded pin. It can be understood that the plastic spacers can separate the metal friction and lubrication, and the threaded pin can serve as a rotating shaft and a fixing.

[0048] In some embodiments, referring to Figure 3 and Figure 4 , the hydraulic rod 31 includes a first branch 312 and a second branch 313 accommodated in the first branch 312, and the first branch 312 and the second branch 313 each have a connecting end 311; in the hydraulic module, the connecting ends 311 of the plurality of second branches 313 are connected to the second frame 12.

[0049] In the embodiments of the present application, it can be understood that in the process of unfolding the first frame 11, the second frame 12 and the third frame 13, the second branch 313 extends from the first branch 312 and applies a supporting force to the second frame 12, and the second frame 12 simultaneously bears the supporting force from both sides, which is beneficial to the stability of the structure.

[0050] In some embodiments, the second frame 12, the first frame 11 and the third frame 13 are hinged by the hinge 4, and the three are arranged at an adjustable first angular distance and a second angular distance with the center of the hinge 4 as the axis, and the first angular distance and the second angular distance are equal; in the unfolded state, the first frame 11 and the third frame 13 are orthogonal to each other and the corresponding first angular distance and second angular distance are both 45°.

[0051] In the embodiments of the present application, it can be understood that the frame assembly 1 can be folded and unfolded in space, and the specific values of the first angular distance and the second angular distance can be changed; the plurality of hydraulic rods 31 perform synchronous actions with the same amplitude, and the first angular distance and the second angular distance can still remain equal during the changing process. In the unfolded state, the third frame 13 is in a vertical state, the first frame 11 is in a horizontal state, and the second frame 12 is located in the middle position between the first frame 11 and the third frame 13 and is arranged at an inclination of 45° in the spatial coordinate system, so that the second frame 12 can provide a lens mounting surface arranged at an inclination of 45° to meet the requirements of light transmission and reflection.

[0052] In some embodiments, the present application also provides a passive telephoto reading and writing device, which comprises the frame assembly described above. It can be understood that the frame assembly can improve the use flexibility of the passive telephoto reading and writing device and meet the use requirements in various scenes; and solve the problem of large overall frame volume and inflexible use and storage of the telephoto reading and writing device.

[0053] Compared with the prior art, the application has the following beneficial effects:

[0054] 1. Two groups of hydraulic components of the hydraulic module support the stressed part of the unfolded frame module, and the two groups of hydraulic components are symmetrically arranged on the two sides of the frame module to be linked, and under the extension and contraction drive of the two groups of hydraulic components, the first frame body, the second frame body and the third frame body constituting the frame module can be stably unfolded and folded in space.

[0055] 2. After the frame module is folded, the hydraulic components can be completely accommodated in the accommodation space formed by the plurality of groove parts, and the hydraulic components can support the adjusting frame module without occupying additional space; and the first frame body, the second frame body and the third frame body can abut without gap to reduce the occupied space; which is conducive to the folding and storage of the frame assembly.

[0056] 3. The passive far-field reading and writing device has the characteristics of compact structure, convenient carrying and wide application scenarios; through the ingenious structure design, the compact folding and portability of the device are realized; the use flexibility of the passive far-field reading and writing device can be improved, and the use requirements of various scenes can be met.

[0057] The above embodiments are only used to illustrate the technical solutions of the application, but not limit it; although the application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the application.

Claims

1. A frame assembly, characterized by, The frame module (1) comprises a first frame body (11), a second frame body (12) and a third frame body (13) connected by hinges, and each of the three frame bodies is recessed in the thickness direction and has two symmetrical recessed portions (2); the third frame body (13) is provided with a connecting portion on the side away from the second frame body (12) to be connected with a hanging support; and the hydraulic module comprises two groups of hydraulic components (3) connected to the two sides of the second frame body (12) respectively, and each group of hydraulic components (3) extends in the length direction and is connected to the first frame body (11) and the third frame body (13) respectively. The two groups of hydraulic components (3) can drive the first frame body (11) and the second frame body (12) to rotate to a preset position in space by stretching and contracting to switch the unfolded state and the folded state of the frame module (1); in the folded state, the two groups of hydraulic components (3) are parallel to each other and are completely accommodated in the accommodation space formed by the plurality of recessed portions (2). In the folded state, the plurality of recessed portions (2) are flush in the first direction, each hydraulic component (3) is accommodated in at least part of the space provided by the two adjacent recessed portions (2), and the extension direction is inclined to the second direction orthogonal to the first direction. The recessed portion (2) is arranged in a strip shape, the inner cavity size of the recessed portion (2) is greater than the size of the hydraulic component (3) after contraction; each recessed portion (2) is recessed inward along the wall surface to form at least one threaded hole (A) with a preset depth to connect with the hydraulic component (3), and the threaded hole (A) is adjacent to the end of the recessed portion (2) and the recessed direction is perpendicular to the length direction of the recessed portion (2).

2. The frame assembly of claim 1, wherein, In each recessed portion (2) of the first frame body (11) and the third frame body (13), the number of threaded holes (A) is one; and two threaded holes (A) are symmetrically arranged at the two ends of each recessed portion (2) of the second frame body (12).

3. The frame assembly of claim 1, wherein, The number of hydraulic components (3) in each group of hydraulic components (3) is two, and the two hydraulic components (3) in the same group are symmetrically distributed on the two sides of the frame module (1) in the third direction; in the unfolded state, the extension directions of the two hydraulic components (3) on the same side of the frame module (1) are inclined to intersect in space.

4. The frame assembly of claim 3, wherein, The hydraulic component (3) comprises:

5. The frame assembly of claim 3, wherein, a hydraulic rod (31) having two connecting ends (311) provided with through holes (B); 6. The frame assembly of claim 5, wherein, a connecting piece (32) penetrating the through hole (B) and comprising a main body portion (321) and a threaded portion (322), the threaded portion (322) being connected to the first end of the main body portion (321) and being detachably connected with the threaded hole (A); and a partition piece comprising a first structure (33) and a second structure (34) coaxially sleeved on the outer surface of the main body portion (321), the first structure (33) and the second structure (34) are in continuous sheet form and located on both sides of the connecting end (311). ​ ​ 7. The frame assembly of claim 6, wherein, In the case that the threaded part (322) of the connecting piece (32) is screwed into the threaded hole (A), the second end of the body part (321) is flush with the side of the frame module (1) orthogonal to the third direction; the thickness of the second structure (34) is greater than the thickness of the first structure (33), and both are plastic gaskets, and the connecting piece (32) is a threaded pin.

8. The frame assembly of claim 6, wherein, The hydraulic rod (31) comprises a first branch (312) and a second branch (313) telescopically contained in the first branch (312), and the first branch (312) and the second branch (313) each have a connecting end (311); in the hydraulic module, the connecting ends (311) of the second branches (313) are connected to the second frame (12).

9. The frame assembly of any of claims 1-3, wherein, The second frame (12), the first frame (11) and the third frame (13) are hinged by a hinge (4), and are spaced apart by an adjustable first angular distance and a second angular distance with the center of the hinge (4) as the axis, and the first angular distance and the second angular distance are equal; in the unfolded state, the first frame (11) and the third frame (13) are orthogonal to each other, and the corresponding first angular distance and second angular distance are each 45°.

10. A passive telephoto read-write device, characterized by, The frame assembly comprises the frame assembly of any one of claims 1-9.

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