CN113389994A - Projector with fast height adjustment - Google Patents
Projector with fast height adjustment Download PDFInfo
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- CN113389994A CN113389994A CN202110838523.3A CN202110838523A CN113389994A CN 113389994 A CN113389994 A CN 113389994A CN 202110838523 A CN202110838523 A CN 202110838523A CN 113389994 A CN113389994 A CN 113389994A
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- projector
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- 239000012530 fluid Substances 0.000 claims abstract description 60
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000005192 partition Methods 0.000 claims description 31
- 238000003825 pressing Methods 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 abstract description 18
- 230000001105 regulatory effect Effects 0.000 description 14
- 230000033001 locomotion Effects 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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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
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
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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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- 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
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Air Bags (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a projector with rapid height adjustment, which comprises a shell, wherein a first cavity, a second cavity and a third cavity are sequentially arranged in the shell from left to right, the cross sections of the first cavity, the second cavity and the third cavity are sequentially increased, fluid is filled in the second cavity and the third cavity, a driving assembly for driving the fluid to flow is arranged in the third cavity, a supporting assembly is arranged in the second cavity, a flow guide pipe communicated with the second cavity is arranged at the bottom of the supporting assembly, a cooling assembly is arranged at the top of the supporting assembly, and the cooling assembly comprises a first connecting plate and a second connecting plate which are symmetrically arranged at two sides of the top of a supporting plate; through making fluid flow to the gasbag inside for the gasbag produces deformation, and the gasbag is towards projecting apparatus direction deformation, is favorable to making gasbag parcel projecting apparatus, can fix the projecting apparatus on the one hand, and on the other hand can cool down the projecting apparatus.
Description
Technical Field
The invention relates to the technical field of projectors, in particular to a projector with a quick height adjustment function.
Background
The projector is a device which can project images or videos onto a curtain, can be connected with a computer, a VCD, a DVD, a game machine, a DV and the like through different interfaces to play corresponding video signals, is widely applied to families, offices, schools and entertainment places, and has the basic principle that the appearance and the contour of a workpiece are enlarged by using an optical element and then projected onto the screen. It can be used for profile measurement by transmitted light, and also can be used for measuring the surface shape of a blind hole by reflected light. Besides being used for viewing, projectors are also often used for measurement of complex contours and small workpieces.
The Chinese patent CN 107906310A discloses a height adjusting device of an intelligent projector, which comprises a fixed plate, wherein a box body is fixedly arranged in the middle of the bottom end of the fixed plate, a fixed frame is fixedly connected to the side surface of the box body, the top end of the fixed frame is fixedly connected with the bottom end of the fixed plate, a servo motor is fixedly sleeved in the fixed frame, an output shaft of the servo motor penetrates through and extends to the inside of the side surface of the box body, a coaxial device is fixedly arranged on the side surface of the inner cavity of the box body, the coaxial device is movably sleeved with one end of a transmission shaft, the other end of the transmission shaft is fixedly sleeved with the output shaft of the servo motor, and a positioning plate is movably sleeved on the transmission shaft.
But this equipment passes through motor drive rope and drives the projector up-and-down motion, and response speed is slower in the in-service use, can not adjust the height of projector fast to lack corresponding fixed knot structure to the projector after the regulation, can not ensure the stability when the projector uses.
Therefore, it is necessary to provide a projector with a fast height adjustment to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a projector with a quick height adjustment function, and aims to solve the problems that the response speed is low in the actual use process, the height of the projector cannot be quickly adjusted, and the projector lacks a corresponding fixed structure after adjustment, so that the stability of the projector in use cannot be ensured in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the projector with the rapid height adjustment function comprises a shell, wherein a first cavity, a second cavity and a third cavity are sequentially arranged in the shell, the cross sections of the first cavity, the second cavity and the third cavity are sequentially increased, fluid is filled in the second cavity and the third cavity, a driving assembly for driving the fluid to flow is arranged in the third cavity, a supporting assembly is arranged in the second cavity, a flow guide pipe communicated with the second cavity is arranged at the bottom of the supporting assembly, and a cooling assembly is arranged at the top of the supporting assembly;
the cooling assembly comprises a first connecting plate and a second connecting plate which are symmetrically arranged on two sides of the top of the supporting plate, air bags are arranged on the inner sides of the first connecting plate and the second connecting plate, and the air bags are communicated with the supporting plate;
the supporting component comprises a supporting plate, a sliding plate is arranged at the bottom of the supporting plate and is connected inside the second cavity in a sliding mode, and a cavity is formed inside the supporting plate.
When the air bag is used, the pressing plate can be driven to move up and down in the third cavity through the driving assembly, when the pressing plate moves downwards, fluid in the third cavity can be pressed into the second cavity, so that the water level in the second cavity is raised, the supporting assembly can be driven to move upwards, and the projector is driven to move upwards, the cross section of the second cavity is smaller than that of the third cavity, therefore, the water level in the second cavity can be quickly adjusted by changing the height of the fluid in the third cavity, the height of the supporting assembly and the projector at the top of the supporting assembly can be quickly adjusted, when the air bag is used practically, the response speed block flows into the air bag through the supporting plate, the air bag is deformed, and the first connecting plate and the second connecting plate are arranged outside the air bag, so that the air bag can only unidirectionally deform towards the projector, and the air bag is favorable for wrapping the projector, can fix the projecting apparatus on the one hand, on the other hand can cool down the projecting apparatus through the inside fluid of gasbag, is favorable to supporting the projecting apparatus through being provided with the backup pad, and slide sliding connection can drive the backup pad and reciprocate inside the second cavity.
As a further scheme of the invention, a pressure plate is connected in the third cavity in a sliding manner, the driving assembly comprises a screw rod, and the screw rod penetrates through the pressure plate and is in threaded connection with the pressure plate.
During the specific use, it rotates to drive the lead screw through the handle, the lead screw can drive the clamp plate and reciprocate in the third cavity is inside, when the clamp plate moves down, can press the inside fluid of third cavity to the second cavity inside through the water conservancy diversion passageway, thereby make the inside water level of second cavity rise, can drive supporting component rebound, and then drive projector rebound, and the cross section of second cavity is less than the cross section of third cavity, therefore, can the inside water level of quick adjustment second cavity through changing the inside fluid height of third cavity, be favorable to the projector height at quick adjustment supporting component and its top, in the time of in-service use, response speed is fast.
As a further scheme of the invention, a first partition plate and a second partition plate are sequentially arranged in the shell, the first cavity is defined by the shell and the first partition plate, the second cavity is defined by the first partition plate, the second partition plate and the shell, the third cavity is defined by the third partition plate and the shell, and a flow guide channel is arranged at the bottom end of one side of the second partition plate.
When the fluid flow guiding device is used specifically, the first cavity is surrounded by the shell and the first partition plate, the second cavity is surrounded by the first partition plate, the second partition plate and the shell, storage of fluid is facilitated, fluid flow can be achieved through changing the volume of the first cavity and the second cavity when the fluid flow guiding device is used actually, and therefore the fluid flow guiding device drives the projector to ascend and descend, and water inside the third cavity flows to the inside of the second cavity through the fluid flow guiding channel.
According to a further scheme of the invention, the top of the first connecting plate is rotatably connected with a limiting plate, the limiting plate is provided with a limiting hole, the second connecting plate is provided with a limiting post matched with the limiting hole, the first connecting plate and the second connecting plate are rotatably connected with the supporting plate through hinges, and the first connecting plate and the second connecting plate are hinged with the supporting plate through hinges.
When in specific use, the projector is placed on the supporting plate to support the projector, then the first connecting plate and the second connecting plate are rotated to enable the first connecting plate and the second connecting plate to be placed on the top of the projector, and the limiting plate is rotated to ensure that the limiting hole on the limiting plate is matched with the limiting post on the second connecting plate, thereby completing the connection of the first connection plate and the second connection plate, when the fluid inside the third cavity is pressed to the inside of the second cavity by the pressing plate, a part of the fluid flows into the supporting plate through the flow guide pipe and further flows into the air bag through the supporting plate, so that the air bag is deformed, because the gasbag outside is provided with first connecting plate and second connecting plate for the gasbag can only be one-wayly towards projecting apparatus direction deformation, is favorable to making gasbag parcel projecting apparatus, can fix the projecting apparatus on the one hand, and on the other hand can cool down the projecting apparatus through the inside fluid of gasbag.
As a further scheme of the invention, through holes are formed in four corners of the top of the supporting plate, pillars are arranged in the through holes and are in sliding connection with the supporting plate through the through holes, and floating plates are fixedly connected to the bottom ends of the pillars.
During the specific use, when the fluid is full of inside the backup pad, can drive the pillar upward movement under the buoyancy to drive projecting apparatus upward movement through the pillar, can make projecting apparatus and gasbag contact more inseparabler through this structure, thereby strengthen the fixed to the projecting apparatus, stability when keeping the projecting apparatus to use.
As a further scheme of the invention, the bottom of the supporting plate is provided with an adjusting component for adjusting the level of the projector.
During the specific use, can adjust the level of projecting apparatus through adjusting part, when the projecting apparatus is in the state of slope in the use, be favorable to adjusting the projecting apparatus level through adjusting part.
As a further scheme of the invention, the adjusting assembly comprises a connecting pipe, the top end of the connecting pipe penetrates through the support plate and extends into the support plate, the top of the connecting pipe is provided with an ejector rod, the ejector rod is connected with the connecting pipe in a sliding manner, the ejector rod penetrates through the support plate and extends to the top of the support plate, the bottom end of the connecting pipe penetrates through the sliding plate and extends to one side of the bottom of the sliding plate, the bottom end of the connecting pipe is provided with a hose, and the hose penetrates through the first partition plate and is fixedly connected with the first partition plate.
During the specific use, when the slope appears in the unhindered after the projecting apparatus installation, there is the difference in the ejector pin displacement of projecting apparatus bottom four corners, the distance that the displacement drive fluid through the ejector pin removed this moment is different, and then lead to the distance that drives the measuring stick through the fluid removal and shift up different, through observing the horizontal condition that the scale mark in the measuring stick outside can the projecting apparatus, can rotate adjusting bolt this moment and drive it and shift up in the vertical direction, the regulating block that drives its bottom through adjusting bolt reciprocates, and then can drive the measuring stick downstream through the extrusion of regulating block to the measuring stick, be favorable to utilizing ejector pin extrusion fluid, drive the ejector pin upward movement through the fluid, be favorable to adjusting the level of projecting apparatus.
As a further scheme of the invention, a measuring pipe is arranged at the top end of the hose, a fixing plate is arranged in the first cavity, the measuring pipe penetrates through the fixing plate and is fixedly connected with the fixing plate, a measuring rod is connected to the top end of the measuring pipe in a sliding mode, scale marks are arranged on the outer side of the measuring rod, and fluids are arranged in the connecting pipe, the hose and the measuring pipe.
During specific use, through observing the horizontal condition that the scale mark in the measuring stick outside can the projecting apparatus, can rotate adjusting bolt this moment and drive it and move on the vertical direction, drive the regulating block of its bottom through adjusting bolt and reciprocate, and then can drive the measuring stick downstream through the extrusion of regulating block to the measuring stick, be favorable to utilizing the ejector pin to extrude the fluid, drive the ejector pin upward movement through the fluid, be favorable to adjusting the level of projecting apparatus.
The working principle is as follows: the projector is placed on the supporting plate and can be supported, then the first connecting plate and the second connecting plate are rotated to enable the first connecting plate and the second connecting plate to be arranged at the top of the projector, the limiting plate is rotated to enable the limiting hole in the limiting plate to be matched with the limiting column on the second connecting plate, so that the connection of the first connecting plate and the second connecting plate is completed, when fluid in the third cavity is extruded into the second cavity through the pressing plate, a part of fluid can flow into the supporting plate through the guide pipe and further flow into the air bag through the supporting plate to enable the air bag to deform, because the first connecting plate and the second connecting plate are arranged on the outer side of the air bag, the air bag can only deform towards the direction of the projector in a one-way mode, the air bag can be beneficial to enabling the air bag to wrap the projector, on one hand, the projector can be fixed, on the other hand, the projector can be cooled through the fluid in the air bag, when the slope appears in the unhomorphy after the projecting apparatus installation, there is the difference in the ejector pin displacement of projecting apparatus bottom four corners, the distance that the displacement drive fluid through the ejector pin removed this moment is different, and then lead to moving the distance that drives the measuring staff and shift up through the fluid, through observing the horizontal condition that the scale mark in the measuring staff outside can the projecting apparatus, can rotate adjusting bolt this moment and drive its and shift up in the vertical direction, the regulating block that drives its bottom through adjusting bolt reciprocates, and then can drive the measuring staff downstream through the extrusion of regulating block to the measuring staff, be favorable to utilizing ejector pin extrusion fluid, drive ejector pin upward movement through the fluid, be favorable to adjusting the level of projecting apparatus.
The projector with the rapid height adjustment has the advantages that the pressing plate is driven to move up and down in the third cavity, when the pressing plate moves down, the fluid in the third cavity can be pressed into the second cavity through the flow guide channel to drive the support component to move upwards, and the cross section of the second cavity is smaller than that of the third cavity, so that the water level in the second cavity can be quickly adjusted by changing the height of the fluid in the third cavity, the height of the support component and the projector at the top of the support component can be quickly adjusted, when in actual use, response speed piece is inside through making fluid flow to the gasbag for the gasbag produces deformation, and the gasbag is towards projecting apparatus direction deformation, is favorable to making gasbag parcel projecting apparatus, can fix the projecting apparatus on the one hand, and on the other hand can cool down the projecting apparatus through the inside fluid of gasbag.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of the hose connection of the present invention;
FIG. 4 is a schematic view of the adjustment assembly of the present invention;
FIG. 5 is a schematic view of the construction of the strut and float plate of the present invention;
FIG. 6 is a schematic view of the cooling assembly of the present invention;
FIG. 7 is a front view of the present invention;
FIG. 8 is a left side view of the present invention;
FIG. 9 is a top view of the present invention;
fig. 10 is an enlarged view of the structure of part a of fig. 3 according to the present invention.
In the figure: 1. a housing; 2. a first cavity; 3. a second cavity; 4. a third cavity; 5. a support assembly; 501. a support plate; 502. a slide plate; 6. pressing a plate; 7. a drive assembly; 701. a screw rod; 8. a first separator; 9. a second separator; 10. a flow guide channel; 11. a cooling assembly; 1101. a first connecting plate; 1102. a second connecting plate; 1103. a limiting plate; 1104. a limiting hole; 1105. a limiting column; 1106. an air bag; 1107. a flow guide pipe; 12. an adjustment assembly; 1201. a connecting pipe; 1202. a top rod; 1203. a hose; 1204. a measurement tube; 1205. a fixing plate; 1206. a measuring rod; 13. a pillar; 14. a floating plate; 15. adjusting the bolt; 16. and a regulating block.
Detailed Description
Further, the driving assembly 7 comprises a screw rod 701 and a handle fixed on the top of the screw rod 701, and the screw rod 701 penetrates through the pressure plate 6 and is in threaded connection with the pressure plate 6.
Furthermore, a first partition plate 8 and a second partition plate 9 are sequentially arranged inside the housing 1 from left to right, a first cavity 2 is defined between the housing 1 and the first partition plate 8, a second cavity 3 is defined between the first partition plate 8, the second partition plate 9 and the housing 1, a third cavity 4 is defined between the third partition plate and the housing 1, and a flow guide channel 10 is arranged at the bottom end of one side of the second partition plate 9.
During the use, drive lead screw 701 through the handle and rotate, lead screw 701 can drive clamp plate 6 and reciprocate in third cavity 4 is inside, when clamp plate 6 moves down, can press the inside fluid of third cavity 4 to second cavity 3 inside through water conservancy diversion passageway 10, thereby make the inside water level of second cavity 3 rise, can drive supporting component 5 and move upwards, and then drive projector upward movement, and the cross section of second cavity 3 is less than the cross section of third cavity 4, therefore, can the inside water level of quick adjustment second cavity 3 through changing the inside fluid height of third cavity 4, be favorable to the projector height at quick adjustment supporting component 5 and its top, in the time of the in-service use, response speed is fast.
Further, the cooling assembly 11 includes a first connecting plate 1101 and a second connecting plate 1102 symmetrically disposed on two sides of the top of the supporting plate 501, the top of the first connecting plate 1101 is rotatably connected with a limiting plate 1103, the limiting plate 1103 is provided with a limiting hole 1104, the second connecting plate 1102 is provided with a limiting post 1105 matched with the limiting hole 1104, the inner sides of the first connecting plate 1101 and the second connecting plate 1102 are both provided with air bags 1106, the bottom ends of the air bags 1106 are set to be openings, and the bottom ends of the air bags 1106 penetrate through the supporting plate 501 and extend into the supporting plate 501.
Further, hinges are arranged between the first connecting plate 1101 and the second connecting plate 1102 and the support plate 501, and the first connecting plate 1101 and the second connecting plate 1102 are hinged to the support plate 501 through the hinges.
Furthermore, a guide pipe 1107 is arranged at the bottom of the support plate 501, the top end of the guide pipe 1107 is communicated with the support plate 501, and the guide pipe 1107 penetrates through the sliding plate 502 and extends to the bottom end of the sliding plate 502.
When the projector is used, the projector is placed on the supporting plate 501 to support the projector, then the first connecting plate 1101 and the second connecting plate 1102 are rotated to enable the first connecting plate 1101 and the second connecting plate 1102 to be placed on the top of the projector, the limiting plate 1103 is rotated to enable the limiting hole 1104 on the limiting plate 1103 to be matched with the limiting column 1105 on the second connecting plate 1102, so that the connection of the first connecting plate 1101 and the second connecting plate 1102 is completed, when fluid in the third cavity 4 is extruded into the second cavity 3 through the pressing plate 6, a part of the fluid can flow into the supporting plate 501 through the flow guide pipe 1107 and then flow into the air bag 1106 through the supporting plate 501, so that the air bag 1106 is deformed, and because the first connecting plate 1101 and the second connecting plate 1102 are arranged outside the air bag 1106, the air bag 1106 can only be deformed in the direction of the projector in a unidirectional manner, so as to be beneficial for the air bag 1106 to wrap the projector, the projector can be fixed on the one hand and cooled down on the other hand by the fluid inside the balloon 1106.
In embodiment 3, as shown in fig. 5, through holes are formed at four corners of the top of the supporting plate 501, a supporting column 13 is disposed at the through holes, the supporting column 13 is slidably connected to the supporting plate 501 through the through holes, and a floating plate 14 is fixedly connected to the bottom end of the supporting column 13.
During the use, when the inside of backup pad 501 is full of to the fluid, can drive pillar 13 upward movement under the buoyancy to drive projecting apparatus upward movement through pillar 13, can make projecting apparatus and gasbag 1106 contact through this structure and touch closely more, thereby strengthen the fixed to the projecting apparatus, keep the stability when projecting apparatus uses.
Embodiment 4, as shown in fig. 2, 3, 4, 5, 6 and 10, the adjusting assembly 12 includes a connecting tube 1201, the top end of the connecting tube 1201 penetrates through the supporting plate 501 and extends into the supporting plate 501, the top of the connecting tube 1201 is provided with a plunger 1202, the plunger 1202 is slidably connected with the connecting tube 1201, the plunger 1202 penetrates through the supporting plate 501 and extends to the top of the supporting plate 501, the bottom end of the connecting tube 1201 penetrates through the sliding plate 502 and extends to one side of the bottom of the sliding plate 502, the bottom end of the connecting tube 1201 is provided with a hose 1203, the hose 1203 penetrates through the first partition 8, the hose 1203 is fixedly connected with the first partition 8, the top end of the hose 1203 is provided with a measuring tube 1204, the inside of the first cavity 2 is provided with a fixing plate 1205, the fixing plate 1205 can be fixedly connected with the housing 1 and the first partition 8 by means of screws or clamping, so as to maintain the stability of the measuring tube 1204, and be convenient for survey the installation of buret 1204, survey buret 1204 and run through fixed plate 1205, survey buret 1204 and fixed plate 1205 fixed connection, survey buret 1204 top is provided with measuring rod 1206, the measuring rod 1206 outside is provided with the scale mark, measuring rod 1206 bottom sets up inside surveying buret 1204 and with survey buret 1204 sliding connection to expose the level of observing the projecting apparatus at the reading of surveying buret 120 outside through measuring rod 1206, connecting pipe 1201, hose 1203 and survey buret 1204 inside are provided with the fluid.
Further, be provided with the regulating plate in first baffle 8 one side, be provided with adjusting bolt 15 on the regulating plate, adjusting bolt 15 runs through the regulating plate and with regulating plate threaded connection, adjusting bolt 15 bottom is rotated and is connected with regulating block 16.
During the use, when the slope appears in the unhindered after the projecting apparatus installation, there is the difference in the ejector pin 1202 displacement of projecting apparatus bottom four corners, the distance that the displacement drive fluid through ejector pin 1202 removed this moment is different, and then lead to moving the distance that drives measuring stick 1206 and shift up through the fluid, through observing the horizontal condition that the scale mark in the measuring stick 1206 outside can the projecting apparatus, can rotate adjusting bolt 15 this moment and drive it and shift up in the vertical direction, drive adjusting block 16 of its bottom through adjusting bolt 15 and reciprocate, and then can drive measuring stick 1206 and shift down through the extrusion of adjusting block 16 to measuring stick 1206, be favorable to utilizing ejector pin 1202 to extrude the fluid, drive ejector pin 1202 upward movement through the fluid, be favorable to adjusting the level of projecting apparatus.
The working principle is as follows: the projector is placed on the support plate 501 to be supported, then the first connection plate 1101 and the second connection plate 1102 are rotated to enable the first connection plate 1101 and the second connection plate 1102 to be placed on the top of the projector, and the limiting plate 1103 is rotated to enable the limiting holes 1104 on the limiting plate 1103 to be matched with the limiting posts 1105 on the second connection plate 1102, so that the connection of the first connection plate 1101 and the second connection plate 1102 is completed, when the fluid in the third cavity 4 is extruded into the second cavity 3 through the pressing plate 6, a part of the fluid can flow into the support plate 501 through the flow guide pipe 1107 and then flow into the air bag 1106 through the support plate 501, so that the air bag 1106 is deformed, and because the first connection plate 1101 and the second connection plate 1102 are arranged outside the air bag 1106, the air bag can only be deformed in a unidirectional direction towards the projector, which is beneficial to enable the air bag 1106 to wrap the projector, on one hand, the projector can be fixed, on the other hand can cool down the projecting apparatus through the inside fluid of gasbag 1106, when the slope appears in the unhevel after the projecting apparatus installation, there is the difference in the ejector pin 1202 displacement of projecting apparatus bottom four corners, the distance that the displacement through ejector pin 1202 drives the fluid and removes is different this moment, and then lead to moving the distance that drives measuring staff 1206 through the fluid and shift and move up differently, through observing the horizontal condition that the scale mark in the measuring staff 1206 outside can the projecting apparatus, can rotate adjusting bolt 15 and drive it and move on the vertical direction this moment, drive the regulating block 16 of its bottom through adjusting bolt 15 and reciprocate, and then can drive measuring staff 1206 and move down through the extrusion of regulating block 16 to measuring staff 1206, be favorable to utilizing ejector pin 1202 to extrude the fluid, drive ejector pin 1202 upward movement through the fluid, be favorable to adjusting the level of projecting apparatus.
Claims (8)
1. Projector with fast height adjustment, comprising a housing (1), characterized in that: a first cavity (2), a second cavity (3) and a third cavity (4) are sequentially arranged in the shell (1), the cross sections of the first cavity (2), the second cavity (3) and the third cavity (4) are sequentially increased, fluid is filled in the second cavity (3) and the third cavity (4), a driving assembly (7) for driving the fluid to flow is arranged in the third cavity (4), a supporting assembly (5) is arranged in the second cavity (3), a guide pipe (1107) communicated with the second cavity (3) is arranged at the bottom of the supporting assembly (5), and a cooling assembly (11) is arranged at the top of the supporting assembly (5);
the cooling assembly (11) comprises a first connecting plate (1101) and a second connecting plate (1102) which are symmetrically arranged on two sides of the top of the supporting plate (501), air bags (1106) are arranged on the inner sides of the first connecting plate (1101) and the second connecting plate (1102), and the air bags (1106) are communicated with the supporting plate (501);
the supporting component (5) comprises a supporting plate (501), a sliding plate (502) is arranged at the bottom of the supporting plate (501), the sliding plate (502) is connected to the inside of the second cavity (3) in a sliding mode, and a cavity is formed in the inside of the supporting plate (501).
2. The projector with fast height adjustment according to claim 1, wherein: the pressing plate (6) is connected to the inside of the third cavity (4) in a sliding mode, the driving assembly (7) comprises a screw rod (701), and the screw rod (701) penetrates through the pressing plate (6) and is in threaded connection with the pressing plate (6).
3. The projector with fast height adjustment according to claim 1, wherein: the novel water-saving device is characterized in that a first partition plate (8) and a second partition plate (9) are sequentially arranged inside the shell (1), the first cavity (2) is formed by the shell (1) and the first partition plate (8) in a surrounding mode, the second cavity (3) is formed by the first partition plate (8), the second partition plate (9) and the shell (1) in a surrounding mode, the third cavity (4) is formed by the third partition plate and the shell (1) in a surrounding mode, and a flow guide channel (10) is formed in the bottom end of one side of the second partition plate (9).
4. The projector with fast height adjustment according to claim 1, wherein: the top of the first connecting plate (1101) is rotatably connected with a limiting plate (1103), a limiting hole (1104) is formed in the limiting plate (1103), a limiting column (1105) matched with the limiting hole (1104) is formed in the second connecting plate (1102), the first connecting plate (1101), the second connecting plate (1102) and the supporting plate (501) are rotatably connected through hinges, and the first connecting plate (1101) and the second connecting plate (1102) are hinged to the supporting plate (501) through hinges.
5. The projector with fast height adjustment according to claim 1, wherein: the supporting plate is characterized in that through holes penetrating through the four corners of the top of the supporting plate (501) are formed in the four corners of the top of the supporting plate (501), a supporting column (13) is arranged at the through holes, the supporting column (13) is connected with the supporting plate (501) in a sliding mode through the through holes, and a floating plate (14) is fixedly connected to the bottom end of the supporting column (13).
6. The projector with fast height adjustment according to claim 1, wherein: the bottom of the supporting plate (501) is provided with an adjusting component (12) for adjusting the level of the projector.
7. The projector with fast height adjustment according to claim 6, wherein: the adjusting assembly (12) comprises a connecting pipe (1201), the top end of the connecting pipe (1201) penetrates through the supporting plate (501) and extends to the inside of the supporting plate (501), a push rod (1202) is arranged at the top of the connecting pipe (1201), the push rod (1202) is in sliding connection with the connecting pipe (1201), the push rod (1202) penetrates through the supporting plate (501) and extends to the top of the supporting plate (501), the bottom end of the connecting pipe (1201) penetrates through the sliding plate (502) and extends to one side of the bottom of the sliding plate (502), a hose (1203) is arranged at the bottom end of the connecting pipe (1201), and the hose (1203) penetrates through the first partition plate (8) and is fixedly connected with the first partition plate (.
8. The projector with fast height adjustment according to claim 7, wherein: hose (1203) top is provided with surveys buret (1204), first cavity (2) inside is provided with fixed plate (1205), survey buret (1204) run through fixed plate (1205) and with fixed plate (1205) fixed connection, survey buret (1204) top sliding connection has measuring stick (1206), the measuring stick (1206) outside is provided with the scale mark, connecting pipe (1201), hose (1203) and survey buret (1204) inside are provided with the fluid.
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| CN202110838523.3A CN113389994B (en) | 2021-07-23 | 2021-07-23 | Projector with fast height adjustment |
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| CN202110838523.3A CN113389994B (en) | 2021-07-23 | 2021-07-23 | Projector with fast height adjustment |
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| CN113389994B CN113389994B (en) | 2022-08-16 |
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| US4037811A (en) * | 1975-12-24 | 1977-07-26 | Oconnor Chadwell | Vertical control for instrument support structure |
| CN207316396U (en) * | 2017-10-27 | 2018-05-04 | 王琛 | A kind of senior middle school's Art undergraduate projecting apparatus supporting rack |
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| CN113389994B (en) | 2022-08-16 |
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