CN111271557A - Projection device - Google Patents
Projection device Download PDFInfo
- Publication number
- CN111271557A CN111271557A CN202010080211.6A CN202010080211A CN111271557A CN 111271557 A CN111271557 A CN 111271557A CN 202010080211 A CN202010080211 A CN 202010080211A CN 111271557 A CN111271557 A CN 111271557A
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- Prior art keywords
- projection
- projection device
- clamping portions
- rotating
- clamping
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
Abstract
The application provides a projection equipment, projection equipment includes the supporting seat that projection arrangement and relative projection arrangement set up, and position leveling mechanism, the supporting seat is used for placing on the platform, position leveling mechanism includes first fixed subassembly, the fixed subassembly of second and connecting piece, first fixed subassembly is fixed in projection arrangement and is close to supporting seat one side, the fixed subassembly of second is fixed in the supporting seat and is close to projection arrangement one side, the connecting piece is equipped with first rotation portion and second rotation portion, first fixed subassembly is connected in the rotation of first rotation portion, the fixed subassembly of second is connected in the rotation of second rotation portion, wherein, the rotation axis direction of first rotation portion is parallel or perpendicular projection arrangement's projection direction, the rotation axis direction of second rotation portion is mutually perpendicular with the rotation axis direction of first rotation portion. The projection device is horizontally calibrated through the position leveling mechanism, so that the projection equipment can be placed on a horizontal or non-horizontal table top, and the projection equipment can be suitable for different occasions.
Description
Technical Field
The application relates to the technical field of projection equipment, in particular to projection equipment.
Background
At present, the traditional projection equipment has a single structure and is very limited in adaptive scene, if the projection equipment is placed on a table surface which is not in a horizontal state, a projection picture of the projection equipment is easy to be in a non-square shape, usually, the picture is in a square rectangle through a software trapezoid correction function, but the mode has the inherent defect that more picture pixels are sacrificed.
Disclosure of Invention
The embodiment of the application provides a projection device, which comprises a projection device and a supporting seat arranged opposite to the projection device, and a position leveling mechanism, wherein the supporting seat is used for being placed on the platform, the position leveling mechanism comprises a first fixing component, a second fixing component and a connecting piece, the first fixing component is fixed on one side of the projection device close to the supporting seat, the second fixing component is fixed on one side of the supporting seat close to the projection device, the connecting piece is provided with a first rotating part and a second rotating part, the first rotating part is rotatably connected with the first fixing component, the second rotating part is rotatably connected with the second fixing component, wherein the direction of the rotation axis of the first rotating part is parallel to or perpendicular to the projection direction of the projection device, the direction of the rotation axis of the second rotating part is perpendicular to the direction of the rotation axis of the first rotating part.
The embodiment of the application provides a projection device, which is fixed on one side of the projection device close to the supporting seat through the first fixing component, the second fixing component is fixed on one side of the supporting seat close to the projection device and is also provided with a first rotating part and a second rotating part through the connecting piece, the first rotating part is rotationally connected with the first fixing component, the second rotating part is rotationally connected with the second fixing component, wherein the direction of the rotation axis of the first rotating part is parallel to or perpendicular to the projection direction of the projection device, the direction of the rotation axis of the second rotating part is vertical to the direction of the rotation axis of the first rotating part, therefore, the projection device can be horizontally calibrated through the position leveling mechanism, so that the projection equipment can be placed on a horizontal or non-horizontal table top, and the projection equipment can be suitable for different occasions.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a first schematic structural diagram of a projection apparatus provided in an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of the projection device provided in FIG. 1;
FIG. 3 is a schematic diagram of a position leveling mechanism and a support base of the projection device of FIG. 1;
FIG. 4 is a schematic diagram of a position leveling mechanism of the projection device provided in FIG. 1;
FIG. 5 is an enlarged schematic view at A in FIG. 2;
fig. 6 is a schematic structural diagram of a projection apparatus provided in the embodiment of the present application.
Detailed Description
Referring to fig. 1 and fig. 2, a projection apparatus 100 is provided, in which the projection apparatus 100 includes a projection device 10, a support 20 disposed opposite to the projection device 10, and a position leveling mechanism 30. The supporting seat 20 is used for being placed on a platform, the position leveling mechanism 30 includes a first fixing component 31, a second fixing component 32 and a connecting component 33, the first fixing component 31 is fixed on one side of the supporting seat 20 close to the projection device 10, and the second fixing component 32 is fixed on one side of the supporting seat 20 close to the projection device 10. The connecting member 33 is provided with a first rotating portion 331 and a second rotating portion 332, the first rotating portion 331 is rotatably connected to the first fixing member 31, and the second rotating portion 332 is rotatably connected to the second fixing member 32. The rotation axis direction of the first rotating part 331 is parallel or perpendicular to the projection direction of the projection apparatus 10, and the rotation axis direction of the second rotating part 332 is perpendicular to the rotation axis direction of the first rotating part 331.
The first fixing component 31 is fixed on the side of the projection apparatus 10 close to the supporting base 20, the second fixing component 32 is fixed on the side of the supporting base 20 close to the projection apparatus 10, the connecting member 33 is provided with a first rotating portion 331 and a second rotating portion 332, the first rotating portion 331 is rotatably connected with the first fixing component 31, the second rotating portion 332 is rotatably connected with the second fixing component 32, wherein the rotating axis direction of the first rotating portion 331 is parallel to or perpendicular to the projection direction of the projection apparatus 10, the rotating axis direction of the second rotating portion 332 is perpendicular to the rotating axis direction of the first rotating portion 331, so that the projection apparatus 10 can be horizontally aligned by the position leveling mechanism 30, and the projection apparatus 100 can be placed on a horizontal or non-horizontal table top, so that the projection device 100 can be adapted to different occasions.
In this embodiment, the projection device 10 is a main body of the projection apparatus 100, the projection device 10 is substantially rectangular block-shaped, and the projection device 10 can realize a projection function. The projection device 10 includes a housing 11 and a projection device 12 fixedly connected to the housing 11. The housing 11 is provided with a top plate 13, a bottom plate 14 disposed opposite to the top plate 13, and a side plate 15 fixedly connecting the top plate 13 and the bottom plate 14. The top plate 13, the bottom plate 14 and the side plates 15 form an accommodating space 16 therebetween, and the accommodating space 16 may be used for arranging internal components of the projection apparatus 10. The side plate 15 is provided with an optical lens 17, the projection device 12 is accommodated in the accommodating space 16, the projection device 12 is adjacent to the side plate 15 and aligned with the optical lens 17, the projection device 12 can emit projection light towards the optical lens 17, and the projection light is amplified and projected onto a preset projection plane through the optical lens 17 to form a projection picture.
The support base 20 is disposed adjacent to the bottom plate 14 of the projection device 10. The support base 20 can be placed on a predetermined platform, and the support base 20 can support the projection apparatus 10 through the position leveling mechanism 30.
The support base 20 is substantially rectangular. The support seat 20 is provided with two first side edges 21 arranged oppositely and two second side edges 22 arranged oppositely. The two first side edges 21 are respectively connected with the two second side edges 22, the two first side edges 21 and the two second side edges 22 form a periphery of the support seat 20, and the two first side edges 21 and the two second side edges 22 are located in the same horizontal plane. One of the two first side edges 21 is arranged adjacent to the optical lens 17 and the other of the two first side edges 21 is arranged remote from the optical lens 17.
The position leveling mechanism 30 is used for leveling the relative position of the projection device 10 and the support base 20. The first fixing component 31 can be fixedly connected to the projection apparatus 10 by means of screw connection, welding, riveting, or the like, and the first fixing component 31 is fixed to one side of the bottom plate 14, which is close to the supporting seat 20; the second fixing component 32 can be fixedly connected to the supporting seat 20 by means of screw connection, welding, riveting, or the like, wherein the second fixing component 32 is fixed to one side of the supporting seat 20 close to the bottom plate 14.
The connecting member 33 is connected between the first fixing member 31 and the second fixing member 32. The first fixing component 31 is rotatably connected with the connecting piece 33, the direction of the rotating axis of the first fixing component 31 relative to the connecting piece 33 is parallel to the projection direction of the projection device 10, and the rotating axis of the first fixing component 31 relative to the connecting piece 33 is perpendicular to the first side edge 21, so that the inclination angle of the projection device 10 relative to the first side edge 21 can be adjusted, namely, the left and right inclination angles of the projection device 10 can be adjusted; the fixed subassembly 32 of second rotates to be connected connecting piece 33, the fixed subassembly 32 of second is relative the axis of rotation direction of connecting piece 33 is perpendicular first fixed subassembly 31 is relative the axis of rotation direction of connecting piece 33, the fixed subassembly 32 of second is relative the axis of rotation of connecting piece 33 is parallel first side edge 21, thereby allows to adjust projection arrangement 10 is relative the inclination of second side edge 22 can realize adjusting projection arrangement 10's front and back inclination angle, thereby can realize with projection arrangement 10 levels to horizontal position on, guarantees projection arrangement 10's projection picture need not through software trapezoidal correction function, can directly present for square regular rectangle, is favorable to guaranteeing the projection effect. Of course, in other embodiments, the direction of the rotation axis of the first fixing component 31 relative to the connecting component 33 may also be perpendicular to the projection direction of the projection apparatus 10.
Referring to fig. 1 and fig. 3, further, the first fixing assembly 31 includes a first fixing frame 311 fixedly connected to the projection apparatus 10, the first fixing frame 311 is provided with two first clamping portions 312 oppositely disposed, the opposite directions of the two first clamping portions 312 are parallel to or perpendicular to the projection direction of the projection apparatus 10, and the two first clamping portions 312 clamp opposite sides of the connecting member 33 and are rotatably matched with the connecting member 33 through the first rotating portion 331. In this embodiment, the first fixing frame 311 is provided with a first substrate 313. The first substrate 313 is fixedly connected to and attached to the bottom plate 14 of the projection apparatus 10. The two first clamping portions 312 are both plate-shaped, the two first clamping portions 312 are fixed on two opposite sides of the first substrate 313, and the two first clamping portions 312 extend along a direction perpendicular to the first substrate 313. The two first clamping portions 312 clamp the two opposite sides of the connecting piece 33, so that the two first clamping portions 312 apply damping force to the connecting piece 33, the two first clamping portions 312 can rotate stably relative to the connecting piece 33, the inclination angle of the projection device 10 relative to the first side edge 21 is convenient to adjust, the projection device 10 is leveled to a horizontal position, the projection picture of the projection device 10 can be directly in a square rectangular shape without a software trapezoidal correction function, and the projection effect can be guaranteed.
Referring to fig. 1 and fig. 3, further, the second fixing assembly 32 includes a second fixing frame 321 fixedly connected to the supporting seat 20, the second fixing frame 321 is provided with two second clamping portions 322 disposed oppositely, the opposite direction of the two second clamping portions 322 is perpendicular to the opposite direction of the two first clamping portions 312, and the two second clamping portions 322 clamp opposite sides of the connecting element 33 and are rotatably matched with the connecting element 33 through the second rotating portion 332. In this embodiment, the second fixing frame 321 is provided with a second base plate 323. The second substrate 323 is fixedly connected and attached to the supporting base 20. The two second clamping portions 322 are fixed to two opposite sides of the second base plate 323, and the two second clamping portions 322 extend along a direction perpendicular to the second base plate 323. The two second clamping portions 322 clamp opposite sides of the connecting member 33. Two second clamping parts 322 centre gripping the relative both sides of connecting piece 33, thereby two second clamping parts 322 are right connecting piece 33 applys damping force, make two second clamping parts 322 can be relative connecting piece 33 steadily rotates, just two second clamping parts 322's axis of rotation direction is perpendicular two first clamping parts 312's axis of rotation direction, thereby conveniently adjust projection device 10 is relative the inclination of second side reason 22, so that with projection device 10 levels to horizontal position on, guarantees projection device 10's projection picture need not through software trapezoidal correction function, can directly appear as square regular rectangle, is favorable to guaranteeing the projection effect.
Referring to fig. 1, 3 and 4, the connecting member 33 is further provided with two first side walls 333 disposed opposite to each other and two second side walls 334 disposed opposite to each other, the first rotating portion 331 is a protruding shaft disposed on the two first side walls 333, the second rotating portion 332 is a rotating shaft hole penetrating through the two second side walls 334, and a rotating axis of the second rotating portion 332 intersects with a rotating axis of the first rotating portion 331.
In the present embodiment, the connecting member 33 has a substantially rectangular block shape. The two first sidewalls 333 and the two second sidewalls 334 are flat surfaces, the two first sidewalls 333 are perpendicular to the two second sidewalls 334, the two first sidewalls 333 abut against the two first clamping portions 312, and the two second sidewalls 334 abut against the two second clamping portions 322. The first rotating portion 331 is a protruding shaft disposed on the two first side walls 333, and the first rotating portion 331 can directly and rotatably engage with the two first clamping portions 312, so that it is not necessary to additionally provide an independent rotating shaft structure between the two first clamping portions 312. The second rotating portion 332 is a rotating shaft hole penetrating through the two second side walls 334, and a rotating shaft is arranged between the two second clamping portions 322, the rotating shaft is fixed relative to the two second clamping portions 322, and the rotating shaft is rotationally matched with the second rotating portion 332, so that the two second clamping portions 322 are rotationally matched with the second rotating portion 332; and the rotation axis of the first rotating portion 331 may intersect with the rotation axis of the second rotating portion 332, and the rotation axis of the first rotating portion 331 and the rotation axis of the second rotating portion 332 may share the same plane, so as to avoid the oversized volume of the connecting element 33 caused by the non-coplanar rotation axis of the first rotating portion 331 and the rotation axis of the second rotating portion 332, which is beneficial to reduce the space occupied by the connecting element 33 between the projection apparatus 10 and the support base 20.
In another embodiment, the first rotating portion 331 may be a rotating shaft hole provided in the two first side walls 333, and the second rotating portion 332 may be a protruding shaft penetrating the two second side walls 334.
Referring to fig. 1, 3 and 4, further, the first fixing assembly 31 further includes a first screw 314 and a first adjusting member 315, the first screw 314 passes through the two first clamping portions 312 and is disposed to be staggered with respect to the first rotating portion 331, and the first adjusting member 315 is located on a side of the first clamping portion 312 away from the connecting member 33 and is in threaded engagement with the first screw 314 to adjust a clamping force of the two first clamping portions 312 to the connecting member 33.
In this embodiment, the first screw 314 has a first abutting end 316 and a first screw connecting end 317 opposite to the first abutting end 316. The first abutting end 316 abuts against one side of the first clamping portion 312 away from the connecting member 33, and the first screw-connecting end 317 is located on the other side of the first clamping portion 312 away from the connecting member 33 and is in screw-thread fit with the first adjusting member 315. The first adjusting member 315 and the first contact end 316 respectively limit the two first clamping portions 312, wherein a first elastic member may be disposed between the first adjusting member 315 and the first clamping portion 312 adjacent to the first adjusting member 315, and the first adjusting member 315 may apply an acting force to the first clamping portion 312 through the first elastic member. Of course, in other embodiments, the first adjusting member 315 may directly abut against the first clamping portion 312.
Through the threaded fit between the first adjusting member 315 and the first screw 314, the distance between the first adjusting member 315 and the first contact end 316 can be adjusted, and thus the clamping force of the two first clamping portions 312 on the connecting member 33 can be adjusted, and after the position leveling is completed, the clamping force of the two first clamping portions 312 on the connecting member 33 can be increased, so that the two first clamping portions 312 are locked with respect to the connecting member 33, and thus the position of the projection apparatus 10 is ensured to maintain the adjusted position.
Referring to fig. 1, 4 and 5, further, the second fixing assembly 32 further includes a second screw 324 and a second adjusting member 325, the second screw 324 passes through the two second clamping portions 322 and the second rotating portion 332, and the second adjusting member 325 is located on a side of the second clamping portion 322 away from the connecting member 33 and is in threaded engagement with the second screw 324 to adjust a clamping force of the two second clamping portions 322 on the connecting member 33.
In this embodiment, the second screw 324 has a second abutting end 326 and a second screw-receiving end 327 opposite to the second abutting end 326. The second abutting end 326 abuts against one of the second clamping portions 322 at a side away from the connecting member 33, the second screw-connecting end 327 is located at the other of the second clamping portions 322 at a side away from the connecting member 33 and is in threaded engagement with the second adjusting member 325, and a portion of the second screw 324 between the two ends is in rotational engagement with the second rotating portion 332. The second adjusting element 325 and the second contact end 326 respectively limit the two second clamping portions 322, wherein a second elastic element may be disposed between the second adjusting element 325 and the second clamping portion 322 adjacent to the second adjusting element 325, and the second adjusting element 325 may apply an acting force to the second clamping portion 322 through the second elastic element. Of course, in other embodiments, the second adjustment member 325 may directly abut against the second clamping portion 322.
Through the threaded fit between the second adjusting member 325 and the second screw 324, the distance between the second adjusting member 325 and the second contact end 326 can be adjusted, and further the clamping force of the two second clamping portions 322 on the connecting member 33 can be adjusted, and after the position leveling is completed, the clamping force of the two second clamping portions 322 on the connecting member 33 can be increased, so that the two second clamping portions 322 are locked relative to the connecting member 33, and the position of the projection apparatus 10 is ensured to maintain the adjusted position.
Referring to fig. 1 and 4, further, the two first sidewalls 333 are perpendicular to the two second sidewalls 334, the two first sidewalls 333 are respectively attached to the two first clamping portions 312, and the two second sidewalls 334 are respectively attached to the two second clamping portions 322. In the present embodiment, the two first side walls 333 and the two second side walls 334 are located on the circumferential side of the connecting member 33. Through two first lateral walls 333 laminate respectively two first clamping parts 312, two first clamping parts 312 can be respectively through two first lateral walls 333 are right connecting piece 33 carries on spacingly, makes two second clamping parts 322 pass through second rotation portion 332 is relative when connecting piece 33 rotates, connecting piece 33 can be relative two first clamping parts 312 are firm, two second clamping parts 322 are relative the axis of rotation direction perpendicular of connecting piece 33 the relative direction of two first clamping parts 312. Through two second lateral walls 334 are laminated respectively two second clamping parts 322, two second clamping parts 322 can be respectively through two second lateral walls 334 are right connecting piece 33 carries on spacingly, makes two first clamping parts 312 pass through first rotation portion 331 is relative when connecting piece 33 rotates, connecting piece 33 can be relative two second clamping parts 322 are firm, wherein, two first clamping parts 312 are relative the axis of rotation direction of connecting piece 33 is perpendicular the relative direction of two second clamping parts 322.
Referring to fig. 1 and fig. 6, further, the projection apparatus 100 further includes an elastic support 34, the elastic support 34 is located on a peripheral side of the position leveling mechanism 30, and the elastic support 34 elastically connects the projection device 10 and the support base 20 to provide an elastic supporting force for the projection device 10. In this embodiment, the elastic support 34 has a ring shape, and the elastic support 34 is disposed around the position leveling mechanism 30. By elastically connecting the projection apparatus 10 and the support base 20 through the elastic support member 34, the elastic support member 34 can provide a uniform support effect for the projection apparatus 10, can share the pressure of the projection apparatus 10 on the position leveling mechanism 30, and reduce the risk of damage to the position leveling mechanism 30. The elastic layer member may be made of silicone, rubber, metal, or the like, which is not limited herein.
Referring to fig. 1 and 6, further, the elastic supporting member 34 is hermetically connected to the projection device 10 and the supporting base 20, a closed space 35 is formed between the projection device 10, the supporting base 20 and the elastic supporting member 34, and the position leveling mechanism 30 is accommodated in the closed space 35. The elastic support 34 may serve to hide the position leveling mechanism 30, so that the appearance of the projection apparatus 100 is simple, and the elastic support 34 has an elastic deformation capability, so as to allow the position adjustment of the projection device 10 by the position leveling mechanism 30.
The embodiment of the present application provides a projection apparatus 100, wherein the first fixing component 31 is fixed on the side of the projection apparatus 10 close to the supporting seat 20, the second fixing component 32 is fixed on the side of the supporting seat 20 close to the projection apparatus 10, the connecting member 33 is further provided with a first rotating portion 331 and a second rotating portion 332, the first rotating portion 331 is rotatably connected to the first fixing component 31, and the second rotating portion 332 is rotatably connected to the second fixing component 32, wherein the rotating axis direction of the first rotating portion 331 is parallel or perpendicular to the projection direction of the projection apparatus 10, the rotating axis direction of the second rotating portion 332 is perpendicular to the rotating axis direction of the first rotating portion 331, so that the projection apparatus 10 can be horizontally aligned by the position leveling mechanism 30, and the projection apparatus 100 can be placed on a horizontal or non-horizontal table, so that the projection device 100 can be adapted to different occasions.
In summary, although the present application has been described with reference to the preferred embodiments, the present application is not limited to the preferred embodiments, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application, so that the protection scope of the present application is determined by the scope of the appended claims.
Claims (10)
1. A projection device is characterized in that the projection device comprises a projection device and a supporting seat arranged opposite to the projection device, and a position leveling mechanism, wherein the supporting seat is used for being placed on the platform, the position leveling mechanism comprises a first fixing component, a second fixing component and a connecting piece, the first fixing component is fixed on one side of the projection device close to the supporting seat, the second fixing component is fixed on one side of the supporting seat close to the projection device, the connecting piece is provided with a first rotating part and a second rotating part, the first rotating part is rotatably connected with the first fixing component, the second rotating part is rotatably connected with the second fixing component, wherein the direction of the rotation axis of the first rotating part is parallel to or perpendicular to the projection direction of the projection device, the direction of the rotation axis of the second rotating part is perpendicular to the direction of the rotation axis of the first rotating part.
2. The projection apparatus as claimed in claim 1, wherein the first fixing assembly includes a first fixing frame fixedly connected to the projection apparatus, the first fixing frame has two first clamping portions disposed opposite to each other, the two first clamping portions are parallel to or perpendicular to a projection direction of the projection apparatus, and the two first clamping portions clamp opposite sides of the connecting member and are rotatably engaged with the connecting member via the first rotating portion.
3. The projection apparatus as claimed in claim 2, wherein the second fixing assembly includes a second fixing frame fixedly connected to the supporting base, the second fixing frame has two second clamping portions disposed oppositely, the opposite direction of the two second clamping portions is perpendicular to the opposite direction of the two first clamping portions, and the two second clamping portions clamp opposite sides of the connecting member and are rotatably engaged with the connecting member via the second rotating portion.
4. The projection apparatus according to claim 3, wherein the link member is provided with two first side walls disposed opposite to each other and two second side walls disposed opposite to each other, the first rotating portion is a protruding shaft disposed on the two first side walls, the second rotating portion is a rotating shaft hole penetrating the two second side walls, and a rotating axis of the first rotating portion intersects with a rotating axis of the second rotating portion.
5. The projection device of claim 4, wherein the second fixing assembly further comprises a second screw passing through the two second clamping portions and the second rotating portion, and a second adjusting member located on a side of the second clamping portion away from the connecting member and threadedly engaged with the second screw to adjust a clamping force of the two second clamping portions against the connecting member.
6. The projection apparatus as claimed in claim 4, wherein the first fixing assembly further includes a first screw passing through the two first clamping portions and disposed offset from the first rotating portion, and a first adjusting member located at a side of the first clamping portion remote from the connecting member and threadedly engaged with the first screw to adjust a clamping force of the two first clamping portions to the connecting member.
7. The projection device of claim 4, wherein the two first sidewalls are perpendicular to the two second sidewalls, the two first sidewalls respectively engage the two first clamping portions, and the two second sidewalls respectively engage the two second clamping portions.
8. The projection apparatus of any of claims 1-7, further comprising a resilient support member positioned around the position leveling mechanism, the resilient support member resiliently coupling the projection device and the support base to provide a resilient support force to the projection device.
9. The projection device of claim 8, wherein the resilient support member sealingly engages the projection unit and the support base, the projection unit, the support base, and the resilient support member defining an enclosed space therebetween, the position leveling mechanism being received in the enclosed space.
10. The projection apparatus of any of claims 1 to 7, wherein the projection device comprises a housing and a projection device, the housing comprises a bearing plate and a side plate fixedly connected to the bearing plate, and an optical lens fixed to the side plate, the projection device is fixedly connected to the bearing plate and aligned with the optical lens, and the first fixing assembly is fixed to a side of the bearing plate facing away from the projection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010080211.6A CN111271557A (en) | 2020-02-03 | 2020-02-03 | Projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010080211.6A CN111271557A (en) | 2020-02-03 | 2020-02-03 | Projection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111271557A true CN111271557A (en) | 2020-06-12 |
Family
ID=71003546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010080211.6A Pending CN111271557A (en) | 2020-02-03 | 2020-02-03 | Projection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111271557A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112296692A (en) * | 2020-10-28 | 2021-02-02 | 谢静波 | Efficient bench drill of multistation |
| CN113633272A (en) * | 2021-07-05 | 2021-11-12 | 上海东软医疗科技有限公司 | Leveling assembly, adjusting device and medical imaging system |
| CN115031124A (en) * | 2022-08-10 | 2022-09-09 | 山东聚众数字医学科技开发有限公司 | Theodolite for angle measurement |
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