CN211289275U - Projection arrangement for exhibition room - Google Patents
Projection arrangement for exhibition room Download PDFInfo
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- CN211289275U CN211289275U CN201921933028.5U CN201921933028U CN211289275U CN 211289275 U CN211289275 U CN 211289275U CN 201921933028 U CN201921933028 U CN 201921933028U CN 211289275 U CN211289275 U CN 211289275U
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Abstract
The utility model discloses a projection device for exhibition hall, which relates to the field of projection equipment and comprises a projector, wherein an upper end surface of the projector is fixedly connected with an inner guide rod through a bolt, the upper end of the inner guide rod is movably connected in an outer guide sleeve, the outer guide sleeve is welded and fixed on a base, the upper end surface of the base is provided with a quick clamping mechanism, a lower end surface of the projector is provided with an anti-falling mechanism, the quick clamping mechanism comprises a bidirectional ball screw, a first clamping plate and a second clamping plate, the bidirectional ball screw is rotationally connected in an adjusting groove, the bidirectional ball screw is bilaterally and symmetrically provided with a first screw nut and a second screw nut, the first clamping plate is rotationally connected with a first supporting plate through a first rotating shaft, the second clamping plate is rotationally connected with a second supporting plate through a second rotating shaft, the utility model has reasonable structure, convenient installation and good protective effect, long service life and strong practicability.
Description
Technical Field
The utility model relates to a projection equipment field especially relates to projection arrangement for exhibition room.
Background
A projection device is a device that projects an image onto a projection screen for presentation to a user. The projection device processes the illumination light beam provided by the light source module into an image light beam by the aid of the optical engine module, and then projects the image light beam on the screen by the projection lens to form an image on the screen.
If the name of the bulletin authority number CN208334885U is projection device, it discloses that the sensor, the control module, the heat dissipation module and the projection module are respectively disposed inside the housing, wherein the sensor, the heat dissipation module and the projection module are respectively electrically connected to the control module, and through the connection relationship between each component disclosed in fig. 1A and fig. 2A in the drawings, it can simplify the manufacturing process of the projection device and reduce the manufacturing cost thereof, but it usually adopts flange bolt fixing manner for fixing connection, and cannot be quickly fixed on the frame of the exhibition hall, the installation is time-consuming and labor-consuming, the installation difficulty is large, and the electrical components of the present case adopt the same technical characteristics as the comparison files.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving and adopting the flange bolt fixed mode to carry out fixed connection usually among the prior art, can't fix fast on the frame in exhibition room, the installation wastes time and energy, the big problem of the installation degree of difficulty, and the projection arrangement for the exhibition room that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the projection device for the exhibition hall comprises a projector and is characterized in that an inner guide rod is fixedly connected to the upper end face of the projector through a bolt, the upper end of the inner guide rod is movably connected into an outer guide sleeve, the outer guide sleeve is fixedly welded on a base, a quick clamping mechanism is arranged on the upper end face of the base, an anti-falling mechanism is arranged on the lower end face of the projector, the quick clamping mechanism comprises a bidirectional ball screw, a first clamping plate and a second clamping plate, the bidirectional ball screw is rotatably connected into an adjusting groove, the bidirectional ball screw is connected with a hand wheel for driving the bidirectional ball screw to rotate, the adjusting groove is formed in the upper surface of the base, a first screw and a second screw are symmetrically arranged on two sides of the bidirectional ball screw, the first screw and the second screw are slidably arranged in the adjusting groove, the first clamping plate is rotatably connected to the first supporting plate through a first rotating shaft, the second clamping plate is rotatably connected to the second supporting plate through a second rotating shaft, the first supporting plate is welded and fixed to the upper side face of the first screw, and the second supporting plate is welded and fixed to the upper side face of the second screw.
Preferably, a positioning bolt is arranged on the lower side of the outer peripheral surface of the outer guide sleeve, and one end of the positioning bolt extends into the outer guide sleeve and is attached to the outer surface of the inner guide rod.
Preferably, a first bearing plate is arranged on the lower portion of the surface of one side of the first clamping plate, a first locking bolt is arranged in the middle of the first bearing plate, the first bearing plate is fixedly connected with the first supporting plate through the first locking bolt, a second bearing plate is arranged on the lower portion of the surface of one side of the second clamping plate, a second locking bolt is arranged in the middle of the second bearing plate, and the second bearing plate is fixedly connected with the second supporting plate through the second locking bolt.
Preferably, the welding machine is used for fixing a first arc-shaped clamping plate on the surface of the other side of the first clamping plate, and the welding machine is used for fixing a second arc-shaped clamping plate on the surface of the other side of the second clamping plate.
Preferably, prevent falling mechanism and include the bottom protection casing, bottom surface mounting damping spring in the bottom protection casing, damping spring upper end and projecting apparatus lower extreme fixed surface are connected, and bottom surface mounting pearl cotton board in the bottom protection casing between the adjacent damping spring.
Preferably, the surfaces of two sides of the bottom protective cover are provided with ventilation openings, and the ventilation openings correspond to the positions of the heat dissipation openings on two sides of the projector.
Preferably, two-way ball screw middle part cup joints fixed second bevel gear, second bevel gear and first bevel gear meshing, first bevel gear welded fastening is on dwang one end surface, the dwang rotates to be connected at the base middle part, the hand wheel is located the one end fixed connection in the base outside with the dwang.
The utility model has the advantages that:
1, through two-way ball, the setting of first grip block and second grip block, can rotate through two-way ball, rethread first screw and second screw drive first grip block and second grip block phase to phase shift simultaneously, fix this device on square frame through first grip block machine second grip block, through the setting of first arc splint and second arc splint, can fix this device on circular frame, be convenient for fix this device on the frame of different specifications, fixed mounting easy operation.
2, through the arrangement of the bottom protective cover, the damping spring and the pearl wool plate, the external impact force can be buffered, the condition that the device is broken is avoided, and the service life of the device is prolonged.
The utility model discloses the structure is reasonable, and it is convenient to install, and the protective effect is good, receives to use longe-lived, and the practicality is strong.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of the middle quick clamping mechanism of the present invention;
FIG. 3 is a schematic structural view of the anti-falling mechanism of the present invention;
fig. 4 is a schematic structural diagram of an embodiment of the present invention.
Reference numbers in the figures: 1 quick clamping mechanism, 2 anti-falling mechanism, 3 projector, 4 inner guide rods, 5 outer guide sleeves, 6 base, 21 bottom protective cover, 22 damping spring, 23 pearl cotton plate, 51 positioning bolt, 101 adjusting groove, 102 two-way ball screw, 103 first nut, 104 first supporting plate, 105 first rotating shaft, 106 first arc-shaped clamping plate, 107 first clamping plate, 108 second clamping plate, 109 second arc-shaped clamping plate, 110 second rotating shaft, 111 second supporting plate, 112 second nut, 113 first locking bolt, 114 first bearing plate, 115 second bearing plate, 116 second locking bolt, 1021 second bevel gear, 1022 first bevel gear, 1023 rotating rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
For example, referring to fig. 1-3, a projection apparatus for exhibition hall comprises a projector 3, an inner guide rod 4 is fixedly connected to an upper end surface of the projector 3 through a bolt, an upper end of the inner guide rod 4 is movably connected to an outer guide sleeve 5, the outer guide sleeve 5 is welded and fixed to a base 6, a fast clamping mechanism 1 is arranged on the upper end surface of the base 6, an anti-falling mechanism 2 is arranged on a lower end surface of the projector 3, the fast clamping mechanism 1 comprises a bidirectional ball screw 102, a first clamping plate 107 and a second clamping plate 108, the bidirectional ball screw 102 is rotatably connected to an adjusting groove 101, the bidirectional ball screw 102 is connected to a hand wheel for driving the bidirectional ball screw 102 to rotate, the adjusting groove 101 is arranged on an upper surface of the base 6, a first nut 103 and a second nut 112 are symmetrically arranged on two sides of the bidirectional ball screw 102, the first nut 103 and the second nut 112 are slidably arranged in the adjusting groove 101, the first clamping plate 107 is rotatably connected to a first supporting plate 104 through a first rotating, the second clamping plate 108 is rotatably connected to a second supporting plate 111 through a second rotating shaft 110, the first supporting plate 104 is welded and fixed on the upper side of the first nut 103, and the second supporting plate 111 is welded and fixed on the upper side of the second nut 112.
The positioning bolt 51 is installed on the lower side of the outer peripheral surface of the outer guide sleeve 5, one end of the positioning bolt 51 extends into the outer guide sleeve 5 and is attached to the outer surface of the inner guide rod 4, the length of the inner guide rod 4 can be adjusted, the position of the inner guide rod 4 is fixed through the positioning bolt 51, and then the installation height of the projector 3 is adjusted.
The first bearing plate 114 is arranged on the lower portion of one side surface of the first clamping plate 107, the first locking bolt 113 is arranged in the middle of the first bearing plate 114, the first bearing plate 114 is fixedly connected with the first supporting plate 104 through the first locking bolt 113, the second bearing plate 115 is arranged on the lower portion of one side surface of the second clamping plate 108, the second locking bolt 116 is arranged in the middle of the second bearing plate 115, the second bearing plate 115 is fixedly connected with the second supporting plate 111 through the second locking bolt 116, and the first clamping plate 107 and the second clamping plate 108 can be quickly fixed.
The other side surface of the first clamping plate 107 is welded with a first arc-shaped clamping plate 106, and the other side surface of the second clamping plate 108 is welded with a second arc-shaped clamping plate 109, so that the device can be fixed on a circular frame.
The anti-falling mechanism 2 comprises a bottom protective cover 21, a damping spring 22 is arranged on the surface of the bottom end in the bottom protective cover 21, the upper end of the damping spring 22 is fixedly connected with the surface of the lower end of the projector 3, and a pearl cotton plate 23 is arranged on the surface of the bottom end in the bottom protective cover 21 between the adjacent damping springs 22, so that the external impact force can be buffered, and the situation that the device is broken is avoided.
Ventilative mouthful are all seted up on 21 both sides surfaces of bottom protection casing, and ventilative mouthful position is corresponding with the thermovent of 3 both sides of projecting apparatus, has guaranteed the circulation of air in the projecting apparatus 3, and then guarantees effective heat dissipation.
Referring to fig. 4, the second embodiment is different from the first embodiment in that a handwheel on the bidirectional ball screw 102 is arranged in a different manner, specifically, a second bevel gear 1021 is fixedly sleeved in the middle of the bidirectional ball screw 102, the second bevel gear 1021 is engaged with a first bevel gear 1022, the first bevel gear 1022 is welded and fixed on one end surface of a rotating rod 1023, the rotating rod 1023 is rotatably connected to the middle of the base 6, and the handwheel and one end of the rotating rod 1023 located outside the base 6 are fixedly connected, so that an operator can approach the clamping position, and can more clearly observe the distance information between the first clamping plate 107 and the clamping position and between the second clamping plate 108 and the clamping position, thereby improving the installation efficiency.
The working principle is as follows: when the device is required to be fixed on a square frame, the device is rotated by a hand wheel and drives the bidirectional ball screw 102 to rotate, the first screw 103 and the second screw 112 simultaneously move towards the center of the bidirectional ball screw 102, the first screw 103 drives the first clamping plate 107 to move through the first supporting plate 104, the second screw 112 drives the second clamping plate 108 to move through the second supporting plate 111, and after the first clamping plate 107 and the second clamping plate 108 are simultaneously attached to the two side surfaces of the square frame, the first clamping plate 107 and the second clamping plate 108 fix the device on the square frame.
When the device needs to be fixed on a circular frame, the first locking bolt 113 and the second locking bolt 116 are loosened, the first clamping plate 107 is rotated 180 degrees through the first rotating shaft 105, the second clamping plate 108 is rotated 180 degrees through the second rotating shaft 110, then the first locking bolt 113 and the second locking bolt 116 are screwed again, the bidirectional ball screw 102 is rotated, based on the principle, the first arc-shaped clamping plate 106 and the second arc-shaped clamping plate 109 are attached to the surface of the circular frame, and the device is fixed on the circular frame through the first arc-shaped clamping plate 106 and the second arc-shaped clamping plate 109.
When this device dropped, bottom protection casing 21 received external force to compression damping spring 22, damping spring 22 carried out the one-level to the impulsive force and absorbed, and bottom protection casing 21 drives the cotton board 23 removal of pearl simultaneously, and after the cotton board 23 contact projecting apparatus 3 bottoms of pearl, the cotton board 23 of pearl carries out the second grade to the impulsive force and absorbs, thereby guarantees projecting apparatus 3's security, avoids the condition of 3 damages of projecting apparatus to take place.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The projection device for the exhibition hall comprises a projector (3) and is characterized in that an inner guide rod (4) is fixedly connected to the upper end face of the projector (3) through a bolt, the upper end of the inner guide rod (4) is movably connected into an outer guide sleeve (5), the outer guide sleeve (5) is fixedly welded on a base (6), a quick clamping mechanism (1) is arranged on the upper end face of the base (6), an anti-falling mechanism (2) is arranged on the lower end face of the projector (3), the quick clamping mechanism (1) comprises a bidirectional ball screw (102), a first clamping plate (107) and a second clamping plate (108), the bidirectional ball screw (102) is rotatably connected into an adjusting groove (101), the bidirectional ball screw (102) is connected with a hand wheel for driving the bidirectional ball screw (102) to rotate, the adjusting groove (101) is formed in the upper surface of the base (6), two-way ball (102) bilateral symmetry installs first screw (103) and second screw (112), and first screw (103) and second screw (112) slide to be set up in adjustment tank (101), first grip block (107) rotate through first pivot (105) connect on first backup pad (104), second grip block (108) rotate through second pivot (110) and connect on second backup pad (111), first backup pad (104) welded fastening is to the side on first screw (103), second backup pad (111) welded fastening is to the side on second screw (112).
2. The projection device for the exhibition hall as claimed in claim 1, wherein a positioning bolt (51) is mounted on the lower side of the outer peripheral surface of the outer guide sleeve (5), and one end of the positioning bolt (51) extends into the outer guide sleeve (5) and is attached to the outer surface of the inner guide rod (4).
3. The projection device for exhibition halls, according to claim 1, wherein a first bearing plate (114) is installed on a lower portion of one side surface of the first clamping plate (107), a first locking bolt (113) is installed on a middle portion of the first bearing plate (114), the first bearing plate (114) is fixedly connected with the first supporting plate (104) through the first locking bolt (113), a second bearing plate (115) is installed on a lower portion of one side surface of the second clamping plate (108), a second locking bolt (116) is installed on a middle portion of the second bearing plate (115), and the second bearing plate (115) is fixedly connected with the second supporting plate (111) through the second locking bolt (116).
4. The projection device for exhibition halls of claim 1, wherein the first arc-shaped clamping plate (106) is fixed on the other side surface of the first clamping plate (107) by a welding machine, and the second arc-shaped clamping plate (109) is fixed on the other side surface of the second clamping plate (108) by a welding machine.
5. The projection device for exhibition halls, according to claim 1, wherein the anti-falling mechanism (2) comprises a bottom shield (21), shock absorbing springs (22) are installed on the bottom surface of the bottom shield (21), the upper ends of the shock absorbing springs (22) are fixedly connected with the lower end surface of the projector (3), and pearl wool boards (23) are installed on the bottom surface of the bottom shield (21) between the adjacent shock absorbing springs (22).
6. The projection device for exhibition halls according to claim 5, wherein the bottom protection cover (21) has ventilation openings on both side surfaces, and the ventilation openings correspond to the positions of the heat dissipation openings on both sides of the projector (3).
7. The projection device for exhibition halls according to any one of claims 1 to 6, wherein the bidirectional ball screw (102) is fixedly sleeved with a second bevel gear (1021) in the middle, the second bevel gear (1021) is engaged with a first bevel gear (1022), the first bevel gear (1022) is fixedly welded to one end surface of the rotating rod (1023), and the handwheel is fixedly connected with one end of the rotating rod (1023) located outside the base (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921933028.5U CN211289275U (en) | 2019-11-11 | 2019-11-11 | Projection arrangement for exhibition room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921933028.5U CN211289275U (en) | 2019-11-11 | 2019-11-11 | Projection arrangement for exhibition room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211289275U true CN211289275U (en) | 2020-08-18 |
Family
ID=72013360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921933028.5U Active CN211289275U (en) | 2019-11-11 | 2019-11-11 | Projection arrangement for exhibition room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211289275U (en) |
-
2019
- 2019-11-11 CN CN201921933028.5U patent/CN211289275U/en active Active
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