CN213815028U - Advanced mathematic function image projector - Google Patents
Advanced mathematic function image projector Download PDFInfo
- Publication number
- CN213815028U CN213815028U CN202120020454.0U CN202120020454U CN213815028U CN 213815028 U CN213815028 U CN 213815028U CN 202120020454 U CN202120020454 U CN 202120020454U CN 213815028 U CN213815028 U CN 213815028U
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- Prior art keywords
- protective shell
- image
- image projector
- function image
- adjusting device
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- Expired - Fee Related
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- 230000001681 protective effect Effects 0.000 claims description 55
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000007620 mathematical function Methods 0.000 claims description 9
- 230000002146 bilateral effect Effects 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an advanced math function image projector, including protecting sheathing and adjusting device, adjusting device slidable mounting is in protecting sheathing's inside, protecting sheathing's side slip joint has the light screen, protecting sheathing's inside bottom surface center fixed mounting has the projection lamp, spacing spout has been seted up to protecting sheathing's inside bottom surface bilateral symmetry, spacing slide has been seted up to inside one side of spacing spout, protecting sheathing's inside bottom surface and a side edge that is located spacing spout have seted up the profile of tooth slide rail, adjusting device's inside fixed mounting has the support frame, the location tooth's socket has been seted up to the both ends side edge symmetry of support frame, a terminal surface center slip of support frame is pegged graft and is had mobile device. The utility model discloses can be through the regulation to the distance between two sets of pivots, can fully demonstrate the image of avoiding the image book, avoid the image show incomplete, influence the student to the understanding of image.
Description
Technical Field
The utility model relates to an image projector equipment technical field specifically is advanced mathematical function image projector.
Background
Advanced mathematics as one of essential courses for college students is a rigorous essential subject, a teacher giving lessons can not draw function images in the process of teaching advanced mathematics, in addition, when a teacher gives lessons, the teacher needs to draw the function images to match with teaching cases so as to be convenient for students to quickly understand, when the teacher draws the function images on a black and white board, the master of the teacher on the teaching time of the classroom can be influenced, so the teacher generally uses a function image projector to project the function images so as to quickly show the function images for the students, but the existing function image projector has certain defects when in use, wherein the function image projector cannot be adjusted according to the size of the function images so as not to completely show the function images so as to influence the students to quickly learn the function images, a higher mathematical function image projector is needed to solve the problems set forth above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a higher mathematical function image projector to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the advanced mathematic function image projector comprises a protective shell and an adjusting device, wherein the adjusting device is slidably mounted inside the protective shell, a light screen is connected to the side face of the protective shell in a sliding and clamping manner, a projection lamp is fixedly mounted at the center of the inner bottom face of the protective shell, limiting sliding grooves are symmetrically formed in two sides of the inner bottom face of the protective shell, a limiting sliding way is formed in one side of the inner part of each limiting sliding groove, a tooth-shaped sliding rail is formed in the edge of the inner bottom face of the protective shell, a supporting frame is fixedly mounted in the inner part of the adjusting device, positioning tooth grooves are symmetrically formed in the edges of the side faces of two ends of the supporting frame, a rotating shaft is rotatably clamped at the top end of the supporting frame, an image roll is sleeved on the outer surface of the middle of the rotating shaft, a moving device is slidably inserted in the center of one end face of the supporting frame, and a transmission rod is fixedly mounted in the inner part of the moving device, gears are symmetrically and fixedly installed at two ends of the transmission rod, a supporting block is sleeved on the outer surface of the edge of one end of the transmission rod, and a positioning block is installed on the side face of the supporting block in a sliding mode.
Preferably, the center of the side surface of the light screen is provided with a limiting clamping groove, and the edges of two ends of the side surface of the light screen are symmetrically and fixedly provided with T-shaped clamping blocks.
Preferably, the projection opening is formed in the center of the top surface of the protective shell, and the projection lamp is aligned with the center of the projection opening in the top surface of the protective shell.
Preferably, the transmission rod is meshed and clamped with the toothed sliding rails on two sides of the bottom surface inside the protective shell through gears at two ends.
Preferably, the support frame slides the joint mutually through two sets of spacing spouts and protective housing's inside both sides, the arc recess has all been seted up at the both ends top of support frame.
Preferably, the side surfaces of the positioning block and the supporting block are fixedly connected with clamping plates, and the positioning block is tightly clamped with a limiting slide way on the inner side surface of the limiting slide groove in a sliding manner through the clamping plates on the side surfaces.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model can facilitate the sliding of the rotating shaft in the protective shell through the limiting clamping groove arranged at the center of the side surface of the light screen, the T-shaped clamping blocks symmetrically and fixedly arranged at the edges of the two ends of the side surface of the light screen can be clamped with the side surface of the protective shell in a sliding way, thereby avoiding the separation of the light screen from the side surface of the protective shell, the projection port arranged at the center of the top surface of the protective shell, in addition, the projection lamp is aligned with the center of the projection port at the top surface of the protective shell, thereby being convenient for displaying the surface image of the image roll, the transmission rod is engaged and clamped with the tooth-shaped sliding rails at the two sides of the bottom surface in the protective shell through the gears at the two ends, thereby controlling the position of the adjusting device in the protective shell, the support frame is clamped with the two sides in the protective shell in a sliding way through the two groups of limiting sliding chutes, thereby enabling the support frame to support the two ends of the rotating shaft in the protective shell, the arc recess that the both ends top of support frame was all seted up, can prevent the top phase separation of the both ends of pivot and support frame, the equal fixed connection's in side joint board of locating piece and supporting shoe, the joint board that can be convenient for the locating piece passes through the side closely slides the joint mutually with the spacing slide of the inside side of spacing spout, thereby can play the support limiting displacement to the one end of drive rod, through the regulation to the distance between two sets of pivots, can fully show the image of avoiding the image book, avoid the image show incomplete, influence the understanding of student to the image.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic view of the expanded structure of the main body of the present invention;
FIG. 3 is a schematic structural view of the protective casing of the present invention;
FIG. 4 is a schematic structural view of the adjusting device of the present invention;
fig. 5 is a schematic structural diagram of the mobile device of the present invention.
In the figure: 1-a protective shell, 2-an adjusting device, 3-a limiting chute, 4-a projection lamp, 5-a limiting slideway, 6-a tooth-shaped sliding rail, 7-a light screen, 8-a positioning tooth groove, 9-a supporting frame, 10-a moving device, 11-a rotating shaft, 12-an image coil, 13-a gear, 14-a transmission rod, 15-a positioning block and 16-a supporting block.
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. 1-5, the present invention provides an embodiment: the advanced mathematic function image projector comprises a protective shell 1 and an adjusting device 2, wherein the adjusting device 2 is slidably mounted inside the protective shell 1, a light screen 7 is slidably clamped on the side surface of the protective shell 1, a projection lamp 4 is fixedly mounted at the center of the inner bottom surface of the protective shell 1, limiting chutes 3 are symmetrically formed in two sides of the inner bottom surface of the protective shell 1, a limiting slide way 5 is formed in one side inside the limiting chute 3, a tooth-shaped slide rail 6 is formed in the inner bottom surface of the protective shell 1 and positioned at one side edge of the limiting chute 3, a support frame 9 is fixedly mounted inside the adjusting device 2, positioning tooth grooves 8 are symmetrically formed in the side edges of two ends of the support frame 9, a rotating shaft 11 is rotatably clamped at the top end of the support frame 9, an image volume 12 is sleeved on the outer surface of the middle part of the rotating shaft 11, a moving device 10 is slidably inserted in the center of one end surface of the support frame 9, and a transmission rod 14 is fixedly mounted in the moving device 10, gears 13 are symmetrically and fixedly installed at two ends of a transmission rod 14, a supporting block 16 is sleeved on the outer surface of the edge of one end of the transmission rod 14, a positioning block 15 is installed on the side surface of the supporting block 16 in a sliding manner, a limiting clamping groove is formed in the center of the side surface of a light screen 7, the rotating shaft 11 can conveniently slide in the protective shell 1, T-shaped clamping blocks symmetrically and fixedly installed at the edges of the two ends of the side surface of the light screen 7 can be clamped with the side surface of the protective shell 1 in a sliding manner, so that the light screen 7 is prevented from being separated from the side surface of the protective shell 1, a projection opening is formed in the center of the top surface of the protective shell 1, and a projection lamp 4 is aligned with the center of the projection opening on the top surface of the protective shell 1, so that the surface image of an image volume 12 can be conveniently displayed, the transmission rod 14 is clamped with tooth-shaped sliding rails 6 on two sides of the bottom surface in the protective shell 1 through the gears 13 at the two ends, so that the position of a control adjusting device 2 in the protective shell 1 can be controlled, support frame 9 slides the joint through the inside both sides looks of two sets of spacing spouts 3 and protective housing 1, thereby can make support frame 9 support 1 inside pivot 11 both ends, the arc recess that the both ends top of support frame 9 was all seted up, can prevent the top phase separation of pivot 11 both ends and support frame 9, the equal fixed connection's in side joint board of locating piece 15 and supporting shoe 16, can be convenient for the joint board of locating piece 15 through the side closely slides the joint with the spacing slide 5 of 3 inside sides of spacing spout, thereby can play the support limiting displacement to the one end of transfer line 14, through the regulation to distance between two sets of pivots 11, can fully show the image that image book 12 was avoided, avoid the image show incompletely, influence the understanding of student to the image.
Spacing draw-in groove has been seted up at light screen 7's side center, light screen 7's side both ends edge symmetry fixed mounting has T type fixture block, the mouth of throwing has been seted up at protective housing 1's top surface center, projection lamp 4 aligns with the mouth center of throwing of protective housing 1 top surface, transfer line 14 meshes the joint mutually with the profile of tooth slide rail 6 of the inside bottom surface both sides of protective housing 1 through the gear 13 at both ends, support frame 9 slides the joint mutually through the inside both sides of two sets of spacing spout 3 with protective housing 1, the arc recess has all been seted up at support frame 9's both ends top, the equal fixedly connected with joint board in side of locating piece 15 and supporting shoe 16, locating piece 15 closely slides the joint mutually through the joint board of side and the spacing slide 5 of the inside side of spacing spout 3.
The working principle is as follows: when a teacher shows function images for students, the teacher needs to respectively sleeve two ends of an image roll 12 on the outer surfaces of the middle parts of two groups of rotating shafts 11, then pulls a light screen 7 to slide upwards, then clamps two ends of the rotating shafts 11 with an arc-shaped groove at the top end of a support frame 9 in the protective shell 1, then presses the upper surface of the light screen 7 to enable the light screen 7 to slide downwards to block the side surface of the protective shell 1, then when the teacher shows the image roll 12, one end of the rotating shaft 11 is rotated to enable the rotating shaft 11 to roll the image roll 12, meanwhile, the other group of rotating shaft 11 can unreel the image roll 12, so that the images avoided by the image roll 12 are moved to the center of a projection port on the top surface of the protective shell 1, then a projection lamp 4 can irradiate the bottom surface of the image roll 12, so that the images on the upper surface of the image roll 12 can be projected on the plate surface for the students to watch, and then the images with larger sizes can be shown, the distance between the two sets of adjusting devices 2 needs to be adjusted, one end of the transmission rod 14 is rotated reversely, so that the transmission rod 14 drives the two sets of gears 13 on the outer surface to rotate on the outer surface of the toothed sliding rail 6, so that the moving device 10 moves transversely on the inner bottom surface of the protective housing 1, meanwhile, the transmission rod 14 drives the support frame 9 to slide in the limiting sliding groove 3, so that the support frame 9 drives the rotating shaft 11 on the top end to slide transversely on the protective housing 1, so that the rotating shaft 11 moves away from the other set of rotating shaft 11, while the moving device 10 slides, the support frame 9 drives the positioning block 15 to slide on the surface of the limiting sliding way 5 in the limiting sliding groove 3 through the positioning tooth groove 8 on the outer surface, so that the positioning block 15 positions the support frame 9, and the supporting block 16 is driven by one end of the transmission rod 14, simultaneously supporting shoe 16 can play the supporting role for the one end of transfer line 14, then carry out the same regulation to another group pivot 11 to enlarge the distance between two sets of pivots 11, increase unreeling size that 12 were rolled up to the image simultaneously, and the image that 12 were rolled up to the image can be fully throwed through the projection mouth of protective housing 1 top surface, through the regulation to the distance between two sets of pivots 11, can fully demonstrate the image that 12 were rolled up to the image, avoid the image show incomplete, influence the understanding of student to the image.
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 (6)
1. Advanced mathematical function image projector, including protective housing (1) and adjusting device (2), its characterized in that: the adjusting device (2) is slidably mounted inside the protective shell (1), the side face of the protective shell (1) is slidably connected with a light screen (7), a projection lamp (4) is fixedly mounted at the center of the inner bottom face of the protective shell (1), limiting sliding grooves (3) are symmetrically formed in the two sides of the inner bottom face of the protective shell (1), a limiting sliding way (5) is formed in one side of the inner portion of each limiting sliding groove (3), a toothed sliding rail (6) is formed in the inner bottom face of the protective shell (1) and is located at the edge of one side of each limiting sliding groove (3), a supporting frame (9) is fixedly mounted inside the adjusting device (2), positioning tooth grooves (8) are symmetrically formed in the edges of the two side faces of the supporting frame (9), a rotating joint of the top end of the supporting frame (9) is provided with a rotating shaft (11), and an image roll (12) is sleeved on the outer surface of the middle of the rotating shaft (11), the movable device (10) is inserted in the center of one end face of the support frame (9) in a sliding mode, a transmission rod (14) is fixedly installed inside the movable device (10), gears (13) are symmetrically and fixedly installed at two ends of the transmission rod (14), a supporting block (16) is sleeved on the outer surface of the edge of one end of the transmission rod (14), and a positioning block (15) is installed on the side face of the supporting block (16) in a sliding mode.
2. A higher mathematical function image projector as claimed in claim 1, wherein: the side surface center of the light screen (7) is provided with a limiting clamping groove, and the edges of two ends of the side surface of the light screen (7) are symmetrically and fixedly provided with T-shaped clamping blocks.
3. A higher mathematical function image projector as claimed in claim 1, wherein: the projection lamp is characterized in that a projection opening is formed in the center of the top surface of the protective shell (1), and the projection lamp (4) is aligned with the center of the projection opening in the top surface of the protective shell (1).
4. A higher mathematical function image projector as claimed in claim 1, wherein: the transmission rod (14) is meshed and clamped with the toothed sliding rails (6) on two sides of the inner bottom surface of the protective shell (1) through the gears (13) at two ends.
5. A higher mathematical function image projector as claimed in claim 1, wherein: the supporting frame (9) is connected with the two sides of the inner portion of the protective shell (1) in a sliding mode through the two groups of limiting sliding grooves (3), and arc-shaped grooves are formed in the tops of the two ends of the supporting frame (9).
6. A higher mathematical function image projector as claimed in claim 1, wherein: the side surfaces of the positioning block (15) and the supporting block (16) are fixedly connected with clamping plates, and the positioning block (15) is tightly clamped with the limiting slide way (5) on the inner side surface of the limiting slide groove (3) in a sliding manner through the clamping plates on the side surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120020454.0U CN213815028U (en) | 2021-01-06 | 2021-01-06 | Advanced mathematic function image projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120020454.0U CN213815028U (en) | 2021-01-06 | 2021-01-06 | Advanced mathematic function image projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213815028U true CN213815028U (en) | 2021-07-27 |
Family
ID=76948321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120020454.0U Expired - Fee Related CN213815028U (en) | 2021-01-06 | 2021-01-06 | Advanced mathematic function image projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213815028U (en) |
-
2021
- 2021-01-06 CN CN202120020454.0U patent/CN213815028U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210727 |