Landscape projection device for ward

Abstract

The utility model relates to a landscape projection device for a ward, belongs to the technical field of optical equipment, and solves the problem that a long-term bedridden patient cannot see a landscape outside a window. The landscape projection device for the ward comprises a supporting unit, a first reflection unit, an imaging unit and a second reflection unit, the first reflection unit, the imaging unit and the second reflection unit are respectively connected with the supporting unit, and the imaging unit is arranged between the first reflection unit and the second reflection unit. The first reflection unit is used for reflecting the natural landscape outside the window to the imaging unit, the imaging unit is used for converting the virtual image reflected by the first reflection unit into the real image, and the second reflection unit is used for projecting the real image to the roof, so that the bedridden patient can watch the real image conveniently, the mood of the bedridden patient is pleasant, and the psychological health of the bedridden patient is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of optical equipment, in particular to a landscape projection device used in a ward. Background Art

[0002] The elderly, the weak, the sick, the disabled, etc. need to stay in bed for a long time, and it is difficult for them to see the scenery outside the window. In the long run, this will have a negative impact on the mental health of long-term bedridden patients. If they can watch the scenery outside the window at any time while lying in bed, it will comfort long-term bedridden patients and be beneficial to their mental health.

[0003] Therefore, there is an urgent need for a landscape projection device for wards to solve the problem that long-term bedridden patients cannot see the landscape outside the window. Utility Model Content

[0004] In view of the above analysis, the embodiment of the utility model aims to provide a landscape projection device for a ward to solve the problem that long-term bedridden patients cannot see the landscape outside the window.

[0005] The purpose of this utility model is mainly achieved through the following technical solutions:

[0006] A landscape projection device for a ward, comprising a supporting unit, a first reflecting unit, an imaging unit and a second reflecting unit, wherein the first reflecting unit, the imaging unit and the second reflecting unit are respectively connected to the supporting unit, and the imaging unit is arranged between the first reflecting unit and the second reflecting unit;

[0007] The supporting unit is used to be connected to the wall or window of the room, the first reflecting unit is used to reflect the natural scenery outside the window to the imaging unit, the imaging unit is used to convert the virtual image reflected by the first reflecting unit into a real image, and the second reflecting unit is used to project the real image onto the roof for bedridden patients to watch.

[0008] Furthermore, the support unit includes a column and a base, the column is arranged on the base, and the base can be connected to a wall or a window.

[0009] Furthermore, one end of the column is connected to the first reflection unit, and this end is the first reflection end, and the other end of the column is connected to the second reflection unit and the base, and this end is the second reflection end; the column includes a first slide groove and a second slide groove, the first slide groove is arranged at the first reflection end, and the second slide groove is arranged between the first slide groove and the second reflection end; the first reflection unit can be connected to the first slide groove and slide on the first slide groove, and the distance between the first reflection unit and the second reflection unit can be adjusted; the imaging unit can be connected to the second slide groove and slide on the second slide groove, and the distance between the imaging unit and the second reflection unit can be adjusted.

[0010] Furthermore, the support unit also includes a positioning slot and a support connecting rod. The positioning slot is arranged on the base and is multiple. One end of the support connecting rod is rotatably connected to the column, and the other end of the support connecting rod can be connected to the positioning slot.

[0011] Furthermore, the first reflecting unit includes a first reflecting mirror, a rotating sleeve, a first locking nut and a rotating shaft rod, the first reflecting mirror is connected to the rotating shaft rod, the rotating sleeve is sleeved on the rotating shaft rod, the rotating shaft rod can rotate in the rotating sleeve and drive the first reflecting mirror to rotate, and the first locking nut can be threadedly connected to the rotating sleeve.

[0012] Furthermore, the rotating sleeve includes a first barrel section and a second barrel section, the outer diameter of the first barrel section is greater than the outer diameter of the second barrel section, and the second barrel section can be connected to the first slide groove and can be threadedly connected to the first locking nut.

[0013] Furthermore, the imaging unit includes an imaging lens, a connecting portion and a second locking nut, the imaging lens is fixedly connected to the connecting portion, and the second locking nut can be threadedly connected to the connecting portion.

[0014] Furthermore, the connecting portion includes a first cylindrical segment and a second cylindrical segment, the outer diameter of the first cylindrical segment is greater than the outer diameter of the second cylindrical segment, and the second cylindrical segment can be connected to the second sliding groove and can be threadedly connected to the second locking nut.

[0015] Furthermore, the second reflecting unit includes a second reflecting mirror, a mirror shaft and a third locking nut, the second reflecting mirror is fixedly connected to the mirror shaft, two ends of the mirror shaft are rotatably connected to two ends of the base respectively, and the third locking nut can be threadedly connected to the mirror shaft.

[0016] Furthermore, it also includes a remote control unit, which includes a rotating rod, a first pull rope and a second pull rope. The rotating rod is connected to the rotating shaft rod, one end of the first pull rope is connected to one end of the rotating rod, and the other end of the first pull rope is a free end; one end of the second pull rope is connected to the other end of the rotating rod, and the other end of the second pull rope is a free end; the bedridden patient can drive the rotating rod to rotate by pulling the free end of the first pull rope or the free end of the second pull rope, thereby remotely rotating the first reflector.

[0017] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects:

[0018] (1) The first reflection unit of the utility model is used to reflect the natural scenery outside the window to the imaging unit, the imaging unit is used to convert the virtual image reflected by the first reflection unit into a real image, and the second reflection unit is used to project the real image onto the roof so that the bedridden patient can watch it, so as to make the bedridden patient feel happy and be beneficial to the psychological health of the bedridden patient;

[0019] (2) The first slide groove and the second slide groove of the projection device of the utility model can adjust the distance between the first reflection unit and the imaging unit and the second reflection unit, thereby adjusting the size and clarity of the landscape effect projected onto the roof, and making the projection device of the utility model suitable for windows of different sizes;

[0020] (3) A bedridden patient can pull the first pull rope or the second pull rope of the utility model to drive the rotating rod to rotate and rotate the first reflector, thereby changing the landscape content reflected by the first reflector to the imaging unit, and finally changing the landscape content projected on the roof, which is convenient for the bedridden patient to perform remote control operation.

[0021] In the present invention, the above-mentioned technical solutions can also be combined with each other to achieve more preferred combination solutions. Other features and advantages of the present invention will be described in the following content, and some advantages can be obvious from the description or understood by implementing the present invention. The purpose and other advantages of the present invention can be achieved and obtained through the contents specifically pointed out in the text and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are only used for the purpose of illustrating specific embodiments and are not to be considered as limiting the present invention. In the entire drawings, the same reference symbols represent the same components.

[0023] Figure 1 is a schematic diagram of the overall structure of the projection device;

[0024] Figure 2 is a schematic diagram of the overall structure of the support unit;

[0025] Figure 3 It is a schematic diagram of the exploded structure of the first reflecting unit, the imaging unit and the second reflecting unit.

[0026] Reference numerals:

[0027] 1-support unit; 2-first reflecting unit; 3-imaging unit; 4-second reflecting unit; 5-remote control unit; 11-post; 12-base; 13-positioning slot; 14-support connecting rod; 21-first reflecting mirror; 22-rotating sleeve; 23-first locking nut; 24-rotating shaft; 31-imaging lens; 32-connecting part; 33-second locking nut; 41-second reflecting mirror; 42-mirror shaft; 43-third locking nut; 51-rotating rod; 52-first pull rope; 53-second pull rope; 54-steering wheel. DETAILED DESCRIPTION

[0028] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present invention and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0029] A specific embodiment of the utility model is as follows Figure 1 As shown, a landscape projection device for a ward (hereinafter referred to as the projection device) is disclosed, comprising a support unit 1, a first reflection unit 2, an imaging unit 3 and a second reflection unit 4, wherein the first reflection unit 2, the imaging unit 3 and the second reflection unit 4 are respectively connected to the support unit 1, and the imaging unit 3 is arranged between the first reflection unit 2 and the second reflection unit 4; the support unit 1 is used to be connected to the wall or window of the room, the first reflection unit 2 is used to reflect the natural landscape outside the window to the imaging unit 3, the imaging unit 3 is used to convert the virtual image reflected by the first reflection unit 2 into a real image, and the second reflection unit 4 is used to project the real image onto the roof for bedridden patients to watch, so as to make the bedridden patients feel happy and be beneficial to the mental health of the bedridden patients.

[0030] Preferably, if Figure 2 As shown, the support unit 1 includes a column 11 and a base 12. The column 11 is arranged on the base 12. The base 12 can be fixedly connected to a wall or a window, so that the projection device of the utility model is fixed on a building to help maintain the stability of the projection device of the utility model.

[0031] In some optional embodiments, the base 12 is a triangular or quadrilateral bottom frame, and the bottom frame can be stably placed on the windowsill.

[0032] Preferably, one end of the column 11 is connected to the first reflection unit 2, and this end is the first reflection end, and the other end of the column 11 is respectively connected to the second reflection unit 4 and the base 12, and this end is the second reflection end.

[0033] Preferably, the column 11 includes a first slide groove and a second slide groove, the first slide groove is arranged at the first reflection end, and the second slide groove is arranged between the first slide groove and the second emission end. The first reflection unit 2 can be connected to the first slide groove and slide on the first slide groove, so as to adjust the distance between the first reflection unit 2 and the second reflection unit 4; the imaging unit 3 can be connected to the second slide groove and slide on the second slide groove, so as to adjust the distance between the imaging unit 3 and the second reflection unit 4 and change the light path. The first slide groove and the second slide groove can adjust the distance between the first reflection unit 2 and the imaging unit 3 and the second reflection unit 4, thereby adjusting the size and clarity of the landscape effect projected onto the roof, and making the projection device of the utility model suitable for windows of different sizes.

[0034] Preferably, the support unit 1 also includes a positioning slot 13 and a support link 14, there are multiple positioning slots 13, and they are arranged on the base 12, one end of the support link 14 is rotatably connected to the column 11, and the other end of the support link 14 can be connected to different positioning slots 13, so as to adjust the angle between the column 11 and the base 12, and then adjust the emission angle of light from the first reflection unit 2 to the second reflection unit 4.

[0035] Preferably, if Figure 3 As shown, the first reflecting unit 2 includes a first reflecting mirror 21, a rotating sleeve 22, a first locking nut 23 and a rotating shaft rod 24. The first reflecting mirror 21 is connected to the rotating shaft rod 24. The rotating sleeve 22 is sleeved on the rotating shaft rod 24. The rotating shaft rod 24 can rotate in the rotating sleeve 22 and drive the first reflecting mirror 21 to rotate, thereby changing the landscape content reflected by the first reflecting mirror 21 to the imaging unit 3. The first locking nut 23 can be threadedly connected to the rotating sleeve 22.

[0036] Specifically, the rotating sleeve 22 includes a first barrel section and a second barrel section, the outer diameter of the first barrel section is larger than the outer diameter of the second barrel section, and the second barrel section can be connected to the first slide groove and can be threadedly connected to the first locking nut 23. Tightening the first locking nut 23 can connect the first barrel section to the column 11, thereby fixing the angle between the first reflection unit 2 and the imaging unit 3; loosening the first locking nut 23 can separate the first barrel section from the column 11, thereby adjusting the angle between the first reflection unit 2 and the imaging unit 3 and changing the range of the landscape projected on the roof.

[0037] Preferably, the imaging unit 3 includes an imaging lens 31, a connecting portion 32 and a second locking nut 33, wherein the imaging lens 31 is fixedly connected to the connecting portion 32, and the second locking nut 33 can be threadedly connected to the connecting portion 32. The imaging lens 31 is a convex lens or a lens combination, and the imaging lens 31 is used to transform the virtual image reflected by the first reflecting unit 2 to the imaging lens 31 into a real image that can be emitted to the second reflecting unit 4 and projected onto the roof.

[0038] Specifically, the connecting portion 32 includes a first cylindrical segment and a second cylindrical segment, the outer diameter of the first cylindrical segment is larger than the outer diameter of the second cylindrical segment, and the second cylindrical segment can be connected to the second slide groove and can be threadedly connected to the second locking nut 33. Tightening the second locking nut 33 can connect the first cylindrical segment to the column 11, thereby fixing the distance between the imaging unit 3 and the second reflecting unit 4; loosening the second locking nut 33 can disengage the first cylindrical segment from the column 11, thereby adjusting the distance between the imaging unit 3 and the second reflecting unit 4 and adjusting the clarity of the image projected on the roof.

[0039] Preferably, the second reflecting unit 4 includes a second reflecting mirror 41, a mirror shaft 42 and a third locking nut 43. The second reflecting mirror 41 is fixedly connected to the mirror shaft 42. Both ends of the mirror shaft 42 are rotatably connected to both ends of the base 12 respectively. The third locking nut 43 can be threadedly connected to the mirror shaft 42. By loosening the third locking nut 43, the second reflecting mirror 41 can be separated from the base 12, so that the angle between the second reflecting mirror 41 and the roof can be adjusted, and the projection position of the image projected on the roof can be adjusted; by tightening the third locking nut 43, the second reflecting mirror 41 can be connected to the base 12, so that the angle between the second reflecting mirror 41 and the roof can be fixed, and the projection position of the image projected on the roof can be fixed.

[0040] Preferably, if Figure 1 and Figure 2 As shown, in order to facilitate bedridden patients to adjust the range of the landscape, the projection device of the utility model further includes a remote control unit 5, which includes a rotating rod 51, a first pull rope 52 and a second pull rope 53. The rotating rod 51 is connected to the shaft rod 24, one end of the first pull rope 52 is connected to one end of the rotating rod 51, and the other end of the first pull rope 52 is a free end; one end of the second pull rope 53 is connected to the other end of the rotating rod 51, and the other end of the second pull rope 53 is a free end. The bedridden patient can pull the first pull rope 52 or the second pull rope 53 to drive the rotating rod 51 to rotate and rotate the first reflector 21, thereby changing the landscape content reflected by the first reflector 21 to the imaging unit 3, and finally changing the landscape content projected on the roof, and facilitating the bedridden patient to remotely control the operation.

[0041] Preferably, the remote control unit 5 further comprises a steering wheel 54, which is rotatably connected to the mirror shaft 42. The steering wheel 54 can be connected to the first pull rope 52 and the second pull rope 53, and is used to change the movement direction of the first pull rope 52 and the second pull rope 53, so that the first pull rope 52 and the second pull rope 53 are easier to manipulate.

[0042] Preferably, the steering wheel 54 includes a first steering wheel and a second steering wheel, the first steering wheel can be connected to the first pull rope, the second steering wheel can be connected to the second pull rope, and the rotation directions of the first steering wheel and the steering wheel can be opposite to prevent obstruction of movement of the first pull rope 52 and the second pull rope 53.

[0043] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. A landscape projection device for a ward, characterized in that: The device comprises a supporting unit (1), a first reflecting unit (2), an imaging unit (3) and a second reflecting unit (4), wherein the first reflecting unit (2), the imaging unit (3) and the second reflecting unit (4) are respectively connected to the supporting unit (1), and the imaging unit (3) is arranged between the first reflecting unit (2) and the second reflecting unit (4); The support unit (1) is used to connect to a wall or window of a room, the first reflection unit (2) is used to reflect the natural scenery outside the window to the imaging unit (3), the imaging unit (3) is used to transform the virtual image reflected by the first reflection unit (2) into a real image, and the second reflection unit (4) is used to project the real image onto the roof so that the bedridden patient can watch it.

2. The landscape projection device for a ward according to claim 1, characterized in that: The support unit (1) comprises a column (11) and a base (12); the column (11) is arranged on the base (12); and the base (12) can be connected to a wall or a window.

3. The landscape projection device for a ward according to claim 2, characterized in that: One end of the column (11) is connected to the first reflection unit (2), and this end is the first reflection end; the other end of the column (11) is connected to the second reflection unit (4) and the base (12), and this end is the second reflection end; the column (11) comprises a first slide groove and a second slide groove, the first slide groove is arranged at the first reflection end, and the second slide groove is arranged between the first slide groove and the second reflection end; the first reflection unit (2) can be connected to the first slide groove and slide on the first slide groove, and the distance between the first reflection unit (2) and the second reflection unit (4) can be adjusted; the imaging unit (3) can be connected to the second slide groove and slide on the second slide groove, and the distance between the imaging unit (3) and the second reflection unit (4) can be adjusted.

4. The landscape projection device for a ward according to claim 2, characterized in that: The support unit (1) further comprises a positioning slot (13) and a supporting connecting rod (14); the positioning slot (13) is arranged on the base (12) and is in plurality; one end of the supporting connecting rod (14) is rotatably connected to the column (11); and the other end of the supporting connecting rod (14) can be connected to the positioning slot (13).

5. The landscape projection device for a ward according to claim 3, characterized in that: The first reflecting unit (2) comprises a first reflecting mirror (21), a rotating sleeve (22), a first locking nut (23) and a rotating shaft rod (24); the first reflecting mirror (21) is connected to the rotating shaft rod (24); the rotating sleeve (22) is sleeved on the rotating shaft rod (24); the rotating shaft rod (24) can rotate in the rotating sleeve (22) and drive the first reflecting mirror (21) to rotate; and the first locking nut (23) can be threadedly connected to the rotating sleeve (22).

6. The landscape projection device for a ward according to claim 5, characterized in that: The rotating sleeve (22) comprises a first barrel section and a second barrel section, the outer diameter of the first barrel section is greater than the outer diameter of the second barrel section, and the second barrel section can be connected to the first sliding groove and can be threadedly connected to the first locking nut (23).

7. The landscape projection device for a ward according to claim 3, characterized in that: The imaging unit (3) comprises an imaging lens (31), a connecting portion (32) and a second locking nut (33); the imaging lens (31) is fixedly connected to the connecting portion (32), and the second locking nut (33) can be threadedly connected to the connecting portion (32).

8. The landscape projection device for a ward according to claim 7, characterized in that: The connecting portion (32) comprises a first cylindrical section and a second cylindrical section, the outer diameter of the first cylindrical section is greater than the outer diameter of the second cylindrical section, and the second cylindrical section can be connected to the second sliding groove and can be threadedly connected to the second locking nut (33).

9. The landscape projection device for a ward according to claim 2, characterized in that: The second reflecting unit (4) comprises a second reflecting mirror (41), a mirror shaft (42) and a third locking nut (43); the second reflecting mirror (41) is fixedly connected to the mirror shaft (42); two ends of the mirror shaft (42) are rotatably connected to two ends of the base (12) respectively; and the third locking nut (43) can be threadedly connected to the mirror shaft (42).

10. The landscape projection device for a ward according to claim 5, characterized in that: The remote control unit (5) further comprises a rotating rod (51), a first pull rope (52) and a second pull rope (53), wherein the rotating rod (51) is connected to the rotating shaft rod (24), one end of the first pull rope (52) is connected to one end of the rotating rod (51), and the other end of the first pull rope (52) is a free end; One end of the second pull rope (53) is connected to the other end of the rotating rod (51), and the other end of the second pull rope (53) is a free end; the bedridden patient can drive the rotating rod (51) to rotate by pulling the free end of the first pull rope (52) or the free end of the second pull rope (53), thereby remotely rotating the first reflector (21).

Images