CN210440873U - Virtual construction projection arrangement - Google Patents
Virtual construction projection arrangement Download PDFInfo
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- CN210440873U CN210440873U CN201921395439.3U CN201921395439U CN210440873U CN 210440873 U CN210440873 U CN 210440873U CN 201921395439 U CN201921395439 U CN 201921395439U CN 210440873 U CN210440873 U CN 210440873U
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- steel ball
- sliding groove
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 47
- 239000010959 steel Substances 0.000 claims abstract description 47
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a projection arrangement technical field just discloses a virtual construction projection arrangement, including the hollow tube, the inside swing joint of hollow tube has the spring, the right-hand member fixedly connected with baffle of spring, the right-hand member fixedly connected with pillar of baffle, the right-hand member fixedly connected with fixed block of pillar, the right-hand member swing joint of fixed block has the round steel ball, the left end top swing joint of base has the rotation support, the top fixedly connected with threaded rod of rotation support, the top fixedly connected with axis of rotation of threaded rod, the top fixedly connected with turning handle of axis of rotation. The rotating shaft is driven to rotate by rotating the rotating handle, the rotating shaft rotates to drive the threaded rod to rotate, and the threaded rod rotates to drive the round steel ball to slide along the threaded groove on the surface of the threaded rod, so that the angle between the projector and the horizontal plane is changed, and the effect of quickly adjusting the projection angle is realized.
Description
Technical Field
The utility model relates to a projection arrangement technical field specifically is a virtual construction projection arrangement.
Background
Along with the development of Chinese economy, the progress of science and technology, high-tech technology begins to apply to each industry in our life, for the building trade, because a lot of emergency can appear in the work progress, so can simulate the job site emergency through virtual construction technique, prepare for effectively handling emergency, and virtual construction needs use projection arrangement, projection arrangement of this kind of virtual construction at present lays on the desktop mostly, two screws are installed to projection unit's the place ahead bottom, pass in and out projection arrangement's inside length through adjusting two screw pegs graft and adjust projection unit's projection angle, just so need remove projection arrangement when the projection, cause angle governing speed slow, adjust inefficiency.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a virtual construction projection arrangement possesses the advantage of quick adjustment projection angle, has solved the slow problem of present virtual construction projection arrangement projection angle regulation.
(II) technical scheme
For the purpose of realizing above-mentioned quick adjustment projection angle, the utility model provides a following technical scheme: a virtual construction projection device comprises a base, wherein a supporting rod is fixedly connected to the top of the left end of the base, a first sliding groove is formed in the surface of the supporting rod, a sliding block is movably connected to the inner wall of the first sliding groove, a support is fixedly connected to the middle of the top of the base, a rotating shaft is movably connected to the inside of the support, a connecting rod is fixedly connected to one end, close to the inner side, of the rotating shaft, a projector is fixedly connected to the left end of the connecting rod, a second sliding groove is formed in the surface of the projector, one end, close to the inner side, of the sliding block is slidably connected to the inside of the second sliding groove, a projection hole is fixedly connected to the left end of the projector, a hollow tube is fixedly connected to one end, close to the outer side, of the rotating shaft, a spring is movably connected to, the right-hand member swing joint of fixed block has the round steel ball, the left end top swing joint of base has the rotation support, the top fixedly connected with threaded rod of rotation support, the top fixedly connected with axis of rotation of threaded rod, the top fixedly connected with turning handle of axis of rotation.
Preferably, the diameter of the surface part of the sliding block extending out of the sliding groove is larger than the width of the sliding groove I, and the part of the sliding block extending out of the surface of the sliding groove is used for preventing the sliding block from being separated from the sliding groove I, so that a limiting effect is achieved.
Preferably, the width of the second sliding groove is equal to that of the first sliding groove, and because the lower half part of the sliding block slides in the first sliding groove and the second sliding groove at the same time, the width of the second sliding groove is the same as that of the first sliding groove, so that the lower half part of the sliding block can slide in the second sliding groove.
Preferably, the support is internally provided with a through cylindrical groove, the cylindrical groove is used for inserting the rotating shaft, so that the rotating shaft can rotate on the support, and the connecting rod and the hollow pipe are connected to enable the connecting rod and the hollow pipe to rotate together.
Preferably, the top of the base is provided with a groove, the groove is used for installing a rotating support, and a bearing is installed in the groove, so that the friction force between the rotating support and the inner wall of the groove is reduced, and the threaded rod can rotate more flexibly and more flexibly.
Preferably, the diameter of baffle is greater than the diameter of pillar, and the baffle can prevent that the pillar is whole by spring pop-up hollow tube, causes pillar and hollow tube to break away from, and the round hole diameter that the hollow tube right-hand member was seted up equals the diameter of pillar, so the diameter of baffle is greater than the diameter of pillar and can prevent the round hole roll-off that the baffle was seted up from the hollow tube right-hand member, and then has restricted the pillar left end inside the hollow tube.
Preferably, the outer wall of the threaded rod is provided with a thread groove, the round steel ball slides along the thread groove, the angle between the support and the threaded rod can be changed, and then the projection angle of the projector is changed.
Preferably, the sliding groove is arc-shaped, so that an angle moving track in the angle adjusting process of the projector is met, and a track and a supporting platform are provided for sliding of the sliding block.
Preferably, the spring can change the length that the pillar stretches out the hollow tube, because when the round steel ball slided to the threaded rod bottom, the length of pillar can increase, and when the round steel ball slided to the threaded rod middle part, the length of pillar can shorten, and the spring can stretch out and draw back the length that stretches out the hollow tube that changes the pillar, and then changes the whole length of hollow tube and pillar.
(III) advantageous effects
Compared with the prior art, the utility model provides a virtual construction projection arrangement possesses following beneficial effect:
1. this virtual construction projection arrangement, it rotates to drive the axis of rotation through rotating the turning handle, the axis of rotation rotates and drives the threaded rod and rotate, the threaded rod rotates and drives the round steel ball and slide along the thread groove on threaded rod surface, when the middle part lapse of round steel ball from the threaded rod, the hollow tube upwards rotates around the pivot, the pivot drives the connecting rod and downwards rotates around the pivot this moment, thereby make the angle between the projector and the horizontal plane diminish, when the middle part lapse of round steel ball from the threaded rod, the hollow tube downwards rotates around the pivot, the pivot drives the connecting rod and upwards rotates around the pivot this moment, thereby make the contained angle grow between projector and the horizontal plane, thereby the effect of quick adjustment projection angle has been realized.
2. This virtual construction projection arrangement, through the right-hand member swing joint circle steel ball at the fixed block, can make the circle steel ball rotate at the fixed block right-hand member, slide along the thread groove on screw rod surface when the round steel ball, it is swing joint to go on between the thread groove on round steel ball and screw rod surface, be not hard friction, frictional force between round steel ball and the threaded rod has been reduced, because the left end of round steel ball has spring extrusion pillar all the time, so the thread groove on threaded rod surface can be hugged closely all the time to the round steel ball slides, thereby reached the effect that reduces frictional force between round steel ball and the threaded rod.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the hollow tube structure of the present invention.
In the figure: 1-base, 2-support rod, 3-chute I, 4-slide block, 5-bracket, 6-rotating shaft, 7-connecting rod, 8-projector, 9-chute II, 10-projection hole, 11-hollow tube, 12-spring, 13-baffle, 14-support, 15-fixed block, 16-round steel ball, 17-rotating support, 18-threaded rod, 19-rotating shaft and 20-rotating handle.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, a virtual construction projection device includes a base 1, a groove is formed at the top of the base 1, the groove is used for installing a rotating support 17, and a bearing is installed in the groove, so as to reduce the friction force between the rotating support 17 and the inner wall of the groove, so that the rotation of a threaded rod 18 is more flexible and labor-saving, a support rod 2 is fixedly connected to the top of the left end of the base 1, a first sliding groove 3 is formed on the surface of the support rod 2, the first sliding groove 3 is arc-shaped and conforms to the angular movement track of a projector 8 in the angle adjustment process, a track and a support platform are provided for the sliding of a sliding block 4, a sliding block 4 is movably connected to the inner wall of the first sliding groove 3, the diameter of the part of the sliding block 4 extending out of the first sliding groove 3 is larger than the width of the first sliding groove 3, the part of the sliding block 4 extending out, fixedly connected with support 5 in the middle of the top of base 1, the inside of support 5 is seted up the columnar groove that runs through, the columnar groove here is used for pegging graft pivot 6, make pivot 6 can rotate at support 5, and then connect connecting rod 7 and hollow tube 11 and make connecting rod 7 and hollow tube 11 can rotate together, the inside swing joint of support 5 has pivot 6, pivot 6 is close to inboard one end fixedly connected with connecting rod 7, the left end fixedly connected with projector 8 of connecting rod 7, spout two 9 has been seted up on the surface of projector 8, the width of spout two 9 equals the width of spout one 3, because the latter half of slider 4 slides in spout one 3 and spout two 9 simultaneously, so spout two 9 and the width of spout one 3 are the same just can make the latter half of slider 4 can slide in it, the slider 4 is close to inboard one end sliding connection in the inside of spout two 9, the left end fixedly connected with throwing hole 10 of projector 8, the one end fixedly connected with hollow tube 11 that pivot 6 is close to the outside, the inside swing joint of hollow tube 11 has spring 12, spring 12 can change the length that pillar 14 stretches out hollow tube 11, because round steel ball 16 slides to threaded rod 18 bottom, the length of pillar 14 can increase, round steel ball 16 slides to threaded rod 18 middle part, the length of pillar 14 can shorten, spring 12 can stretch out and draw back the length that stretches out hollow tube 11 that changes pillar 14, and then change the whole length of hollow tube 11 and pillar 14, the right-hand member fixedly connected with baffle 13 of spring 12, the diameter of baffle 13 is greater than the diameter of pillar 14, baffle 13 can prevent that pillar 14 is whole by spring 12 pop out hollow tube 11, cause pillar 14 to break away from with hollow tube 11, and the diameter of the round hole diameter that pillar 14 was seted up to hollow tube 11 right-hand member, so the diameter of baffle 13 is greater than the diameter of pillar 14 can prevent that baffle 13 And then, the left end of the support column 14 is limited in the hollow tube 11, the right end of the baffle 13 is fixedly connected with the support column 14, the right end of the support column 14 is fixedly connected with the fixed block 15, the right end of the fixed block 15 is movably connected with the round steel ball 16, the round steel ball 16 is rotatably connected with the right end of the fixed block 15, so that the round steel ball 16 can also be rotatably connected with the thread groove on the surface of the thread rod 18, the friction force between the round steel ball 16 and the thread rod 18 is reduced, the top of the left end of the base 1 is movably connected with the rotating support 17, the top of the rotating support 17 is fixedly connected with the thread rod 18, the thread groove on the surface of the thread rod 18 provides a track for the round steel ball 16, so that the round steel ball 16 can slide up and down along the thread groove, the thread groove is arranged on the outer wall of the thread rod 18, the round steel ball 16 can slide, the top of the threaded rod 18 is fixedly connected with a rotating shaft 19, the top of the rotating shaft 19 is fixedly connected with a rotating handle 20, the rotating handle 20 can drive the threaded rod 18 to rotate, the diameter of the rotating handle 20 is a little larger, and the rotating handle saves a little labor when rotating.
The working principle is that when the angle of the projector 8 needs to be adjusted in the projection process of virtual construction, the rotating handle 20 is rotated, the rotating handle 20 rotates to drive the rotating shaft 19 to rotate, the rotating shaft 19 rotates to drive the threaded rod 18 to rotate, the threaded rod 18 rotates to drive the round steel ball 16 to slide along the threaded groove on the surface of the threaded rod 18, when the rotating handle 20 rotates clockwise, the round steel ball 16 slides upwards along the threaded groove on the surface of the threaded rod 18, in the upward sliding process of the round steel ball 16, the distance between the round steel ball 16 and the rotating shaft 6 is increased, at the moment, the spring 12 springs the supporting column 14 outwards for releasing elasticity, so that the round steel ball 16 can always slide in the threaded groove on the surface of the threaded rod 18 under the extrusion of the supporting column 14 and cannot be separated from the threaded groove, in the upward sliding process of the round steel ball 16, the hollow tube 11 can rotate upwards around the rotating shaft 6, at the moment, the rotating shaft 6 can drive, two 9 of 8 surface mounting's of projector's spout will slide along spout 3 lapse, and then make 8 projector's angle of elevation diminish, when turning handle 20 anticlockwise rotation, round steel ball 16 slides down along the thread groove on 18 surfaces of threaded rod, 16 lapse in-process of round steel ball drives hollow tube 11 and rotates down round pivot 6, pivot 6 can take connecting rod 7 to rotate up round pivot 6 this moment, connecting rod 7 upwards rotates and drives 8 projector through slider 4 along a 3 lapse of spout, and then make 8 projector's angle of elevation grow, thereby realized the purpose of the 8 angles of quick adjustment projector.
To sum up, the virtual construction projection device drives the rotating shaft 19 to rotate by rotating the rotating handle 20, the rotating shaft 19 drives the threaded rod 18 to rotate, the threaded rod 18 rotates to drive the round steel ball 16 to slide along the threaded groove on the surface of the threaded rod 18, when the round steel ball 16 slides upwards from the middle of the threaded rod 18, the hollow pipe 11 rotates upwards around the rotating shaft 6, the rotating shaft 6 drives the connecting rod 7 to rotate downwards around the rotating shaft 6, so that the angle between the projector 8 and the horizontal plane is reduced, when the round steel ball 16 slides downwards from the middle of the threaded rod 18, the hollow pipe 11 rotates downwards around the rotating shaft 6, and at the moment, the rotating shaft 6 drives the connecting rod 7 to rotate upwards around the rotating shaft 6, so that the included angle between the projector 8 and the horizontal plane is increased, and the effect of quickly adjusting the projection angle is achieved; through the right-hand member swing joint circle steel ball 16 at fixed block 15, can make circle steel ball 16 rotate at fixed block 15 right-hand member, slide along the thread groove on threaded rod 18 surface when circle steel ball 16, what go on between the thread groove on circle steel ball 16 and threaded rod 18 surface is swing joint, be not hard friction, frictional force between circle steel ball 16 and threaded rod 18 has been reduced, because the left end of circle steel ball 16 has spring 12 extrusion pillar 14 all the time, so circle steel ball 16 can hug closely the thread groove on threaded rod 18 surface all the time and slide, thereby reached the effect that reduces frictional force between circle steel ball 16 and the threaded rod 18.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a virtual construction projection arrangement, includes base (1), its characterized in that: the support rod (2) is fixedly connected to the top of the left end of the base (1), a first sliding groove (3) is formed in the surface of the support rod (2), a sliding block (4) is movably connected to the inner wall of the first sliding groove (3), a support (5) is fixedly connected to the middle of the top of the base (1), a rotating shaft (6) is movably connected to the inside of the support (5), a connecting rod (7) is fixedly connected to one end, close to the inner side, of the rotating shaft (6), a projector (8) is fixedly connected to the left end of the connecting rod (7), a second sliding groove (9) is formed in the surface of the projector (8), one end, close to the inner side, of the sliding block (4) is slidably connected to the inside of the second sliding groove (9), a projection hole (10) is fixedly connected to the left end of the projector (8), and, the inside swing joint of hollow tube (11) has spring (12), right-hand member fixedly connected with baffle (13) of spring (12), right-hand member fixedly connected with pillar (14) of baffle (13), right-hand member fixedly connected with fixed block (15) of pillar (14), the right-hand member swing joint of fixed block (15) has round steel ball (16), the left end top swing joint of base (1) has rotation support (17), rotate top fixedly connected with threaded rod (18) of support (17), the top fixedly connected with axis of rotation (19) of threaded rod (18), the top fixedly connected with turning handle (20) of axis of rotation (19).
2. The virtual construction projection device of claim 1, wherein: the diameter of the surface part of the sliding block (4) extending out of the sliding groove I (3) is larger than the width of the sliding groove I (3).
3. The virtual construction projection device of claim 1, wherein: the width of the second sliding groove (9) is equal to that of the first sliding groove (3).
4. The virtual construction projection device of claim 1, wherein: the support (5) is internally provided with a through columnar groove.
5. The virtual construction projection device of claim 1, wherein: the top of the base (1) is provided with a groove.
6. The virtual construction projection device of claim 1, wherein: the diameter of the baffle (13) is larger than that of the support column (14).
7. The virtual construction projection device of claim 1, wherein: the outer wall of the threaded rod (18) is provided with a thread groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921395439.3U CN210440873U (en) | 2019-08-27 | 2019-08-27 | Virtual construction projection arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921395439.3U CN210440873U (en) | 2019-08-27 | 2019-08-27 | Virtual construction projection arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN210440873U true CN210440873U (en) | 2020-05-01 |
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| CN201921395439.3U Active CN210440873U (en) | 2019-08-27 | 2019-08-27 | Virtual construction projection arrangement |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111546166A (en) * | 2020-05-14 | 2020-08-18 | 河海大学常州校区 | An automatic grinding machine for processing the top of a round rod into a tapered tip |
| CN113375017A (en) * | 2021-06-09 | 2021-09-10 | 张秋丽 | Safety device for building engineering |
| CN113834446A (en) * | 2021-11-25 | 2021-12-24 | 南京万生华态科技有限公司 | Acquisition device and acquisition method for fringe projection image |
| CN116869636A (en) * | 2023-05-25 | 2023-10-13 | 联科医疗器材(重庆)有限公司 | Adjustable vertebral plate fixing plate |
-
2019
- 2019-08-27 CN CN201921395439.3U patent/CN210440873U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111546166A (en) * | 2020-05-14 | 2020-08-18 | 河海大学常州校区 | An automatic grinding machine for processing the top of a round rod into a tapered tip |
| CN111546166B (en) * | 2020-05-14 | 2021-07-23 | 河海大学常州校区 | An automatic grinding machine for processing the top of a round rod into a tapered tip |
| CN113375017A (en) * | 2021-06-09 | 2021-09-10 | 张秋丽 | Safety device for building engineering |
| CN113375017B (en) * | 2021-06-09 | 2022-12-09 | 新疆彦鑫建筑安装工程有限责任公司 | Safety device for building engineering |
| CN113834446A (en) * | 2021-11-25 | 2021-12-24 | 南京万生华态科技有限公司 | Acquisition device and acquisition method for fringe projection image |
| CN113834446B (en) * | 2021-11-25 | 2022-02-15 | 南京万生华态科技有限公司 | Acquisition device and acquisition method for fringe projection image |
| CN116869636A (en) * | 2023-05-25 | 2023-10-13 | 联科医疗器材(重庆)有限公司 | Adjustable vertebral plate fixing plate |
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