CN214405415U - Slide broadcast fixing mechanism for English teaching - Google Patents
Slide broadcast fixing mechanism for English teaching Download PDFInfo
- Publication number
- CN214405415U CN214405415U CN202120428032.7U CN202120428032U CN214405415U CN 214405415 U CN214405415 U CN 214405415U CN 202120428032 U CN202120428032 U CN 202120428032U CN 214405415 U CN214405415 U CN 214405415U
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- connecting rod
- plate
- fixedly connected
- rod
- slide
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Abstract
The utility model discloses a fixing mechanism for playing slides for English teaching, which relates to a fixing mechanism, wherein a projector is arranged at the upper end of a placing plate, the placing plate moves downwards under the action of gravity, the right end of the lower surface of the placing plate is fixedly connected with the upper end of the first supporting rod, the lower end of the first supporting rod is rotatably connected with the upper end of the first connecting rod, the lower end of the first connecting rod is rotatably connected with the rear end of the first sliding sleeve, the middle part of a third connecting rod is rotationally connected with the outer box back plate through transmission among the connecting rods, the upper end of the third connecting rod is rotationally connected with the right end of a second fixed rod, the left end of the second fixed rod is fixedly connected with the center of the right end of a second fixed plate, the lower end of the second fixed plate is connected with the upper surface of a placing plate in a sliding way, the second fixed plate moves leftwards, through the cooperation with first fixed plate, realized the fixed action of projector, through the flexible of first spring with the second spring, reached fine cushioning effect.
Description
Technical Field
The utility model relates to a fixed establishment specifically is a fixed establishment of slide broadcast for english teaching.
Background
English teaching refers to the process of teaching english to persons whose english language is or is not the first language. English teaching relates to many professional theoretical knowledge, including linguistics, second language acquisition, glossaries, sentence syntactics, literature, corpus theory, cognitive psychology, etc.
The teaching device is divided into a plurality of teaching devices, one of the slide shows is adopted, the conventional slide show device is not light enough, can not move, and has the influence of too large vibration amplitude in the moving process on display. To this end, a fixing mechanism for a slide show for english teaching has been proposed by those skilled in the art to solve the problems set forth in the background above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fixed establishment of slide broadcast for english teaching to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a slide playing fixing mechanism for English teaching comprises an outer box, wherein the inner wall of the outer box is connected with a first slide bar, the left end of the first slide bar is fixedly connected with a left plate of the outer box, the right end of the first slide bar is fixedly connected with a right plate of the outer box, the first slide bar penetrates through a first slide sleeve, the first slide sleeve is slidably connected with a first connecting bar, the left end of the first slide sleeve is fixedly connected with the right end of a first spring, the first spring penetrates through the first slide bar, the left end of the first spring is fixedly connected with the left plate of the outer box, the rear end of the first slide sleeve is rotatably connected with the lower end of the first connecting bar, the upper end of the first connecting bar is rotatably connected with the lower end of a first supporting bar, the first supporting bar penetrates through a top plate of the outer box, the upper end of the first supporting bar is fixedly connected with the right end of the lower surface of a placing plate, the upper end of the first slide sleeve is fixedly connected with the lower end of a second connecting bar, the middle part of the second connecting bar is rotatably connected with a back plate of the outer box, the upper end of the second connecting bar is rotatably connected with the left end of the first fixing bar, the right end of the first fixed rod is fixedly connected with the center of the left end of the first fixed plate, the first slide bar penetrates through the second slide sleeve, the second slide sleeve is connected with the first slide bar in a sliding manner, the right end of the second slide sleeve is fixedly connected with the left end of the second spring, the second spring penetrates through the first slide bar, the right end of the second spring is fixedly connected with the right plate of the outer box, the rear end of the second slide sleeve is connected with the lower end of the third connecting rod in a rotating manner, the middle part of the third connecting rod is connected with the middle part of the first connecting rod in a rotating manner, the upper end of the third connecting rod is connected with the lower end of the second supporting rod in a rotating manner, the second supporting rod penetrates through the top plate of the outer box, the second supporting rod is connected with the top plate of the outer box in a sliding manner, the upper end of the second supporting rod is fixedly connected with the left end of the lower surface of the placing plate, the upper end of the second slide sleeve is connected with the lower end of the fourth connecting rod in a rotating manner, the middle part of the fourth connecting rod is connected with the center of the outer box, the upper end of the fourth connecting rod is connected with the right end of the second fixed plate, and the left end of the second fixed plate is fixedly connected with the left end of the second fixed plate.
As a further aspect of the present invention: the right end of the first fixing plate is fixedly connected with the left end of the first rubber.
As a further aspect of the present invention: and the left end of the second fixing plate is fixedly connected with the right end of the second rubber.
As a further aspect of the present invention: and a first rotating port is formed at the joint of the second connecting rod and the top plate of the outer box.
As a further aspect of the present invention: and a second rotating port is formed at the joint of the fourth connecting rod and the top plate of the outer box.
As a further aspect of the present invention: the first fixing plate is connected with the upper surface of the placing plate in a sliding mode.
As a further aspect of the present invention: and the rolling devices are fixedly connected at the left-right symmetrical positions at the lower end of the bottom plate of the outer box.
Compared with the prior art, the beneficial effects of the utility model are that: place the board upper end and place the projector, because the action of gravity, place the board downstream, place board lower surface right-hand member and first bracing piece upper end fixed connection, first bracing piece lower extreme rotates with first connecting rod upper end to be connected, first connecting rod lower extreme rotates with first sliding sleeve rear end to be connected, transmission through between the connecting rod, third connecting rod middle part rotates with outer case backplate to be connected, third connecting rod upper end rotates with second dead lever right-hand member to be connected, second dead lever left end and second fixed plate right-hand member center department fixed connection, second fixed plate lower extreme with place board upper surface sliding connection, the second fixed plate moves left, through the cooperation with first fixed plate, the fixed action of projector has been realized, through the flexible of first spring and second spring, fine cushioning effect has been reached.
Drawings
FIG. 1 is a schematic structural diagram of a slide show fixture for English teaching;
FIG. 2 is a schematic view of an enlarged structure at A in a fixed mechanism for a slide show for English teaching;
FIG. 3 is a schematic perspective view of a projector in a fixed mechanism for a slide show for English teaching;
in the figure: 1. an outer box; 2. a first slide bar; 3. a first sliding sleeve; 4. a first link; 5. a first spring; 6. a first support bar; 7. placing the plate; 8. a second link; 9. a first fixing lever; 10. a first fixing plate; 11. a second sliding sleeve; 12. a second spring; 13. a third link; 14. a second support bar; 15. a fourth link; 16. a second fixing bar; 17. a second fixing plate; 18. a first rubber; 19. a second rubber; 20. a first rotation port; 21. a second rotation port; 22. a rolling device; 23. a projector.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
The first embodiment is as follows: referring to fig. 1-3, a fixing mechanism for playing a slide show for English teaching comprises an outer case 1, an inner wall of the outer case 1 is connected with a first slide bar 2, a left end of the first slide bar 2 is fixedly connected with a left plate of the outer case 1, a right end of the first slide bar 2 is fixedly connected with a right plate of the outer case 1, the first slide bar 2 penetrates through a first sliding sleeve 3, the first sliding sleeve 3 is slidably connected with a first connecting rod 4, a left end of the first sliding sleeve 3 is fixedly connected with a right end of a first spring 5, the first spring 5 penetrates through the first slide bar 2, a left end of the first spring 5 is fixedly connected with the left plate of the outer case 1, a rear end of the first sliding sleeve 3 is rotatably connected with a lower end of the first connecting rod 4, an upper end of the first connecting rod 4 is rotatably connected with a lower end of a first supporting rod 6, the first supporting rod 6 penetrates through a top plate of the outer case 1, an upper end of the first supporting rod 6 is fixedly connected with a lower surface of a placing plate 7, an upper end of the first sliding sleeve 3 is fixedly connected with a lower end of a second connecting rod 8, the middle part of a second connecting rod 8 is rotationally connected with a back plate of the outer box 1, the upper end of the second connecting rod 8 is rotationally connected with the left end of a first fixed rod 9, the right end of the first fixed rod 9 is fixedly connected with the center of the left end of a first fixed plate 10, a first sliding rod 2 penetrates through a second sliding sleeve 11, the second sliding sleeve 11 is slidably connected with the first sliding rod 2, and the right end of the second sliding sleeve 11 is fixedly connected with the left end of a second spring 12;
a projector is placed at the upper end of the placing plate 7, the placing plate 7 moves downwards due to the action of gravity, the right end of the lower surface of the placing plate 7 is fixedly connected with the upper end of the first supporting rod 6, the lower end of the first supporting rod 6 is rotatably connected with the upper end of the first connecting rod 4, the lower end of the first connecting rod 4 is rotatably connected with the rear end of the first sliding sleeve 3, the first sliding sleeve 3 moves leftwards, the upper end of the first sliding sleeve 3 is fixedly connected with the lower end of the second connecting rod 8, the middle part of the second connecting rod 8 is rotatably connected with the back plate of the outer box 1, the upper end of the second connecting rod 8 is rotatably connected with the left end of the first fixing rod 9, the right end of the first fixing rod 9 is fixedly connected with the center of the left end of the first fixing plate 10, the lower end of the first fixing plate 10 is slidably connected with the upper surface of the placing plate 7, and the first fixing plate 10 moves rightwards; the right end of the lower surface of the placing plate 7 is fixedly connected with the upper end of the second supporting rod 14;
the second spring 12 penetrates through the first sliding rod 2, the right end of the second spring 12 is fixedly connected with the right plate of the outer box 1, the rear end of the second sliding sleeve 11 is rotatably connected with the lower end of a third connecting rod 13, the middle part of the third connecting rod 13 is rotatably connected with the middle part of a first connecting rod 4, the upper end of the third connecting rod 13 is rotatably connected with the lower end of a second supporting rod 14, the second supporting rod 14 penetrates through the top plate of the outer box 1, the second supporting rod 14 is slidably connected with the top plate of the outer box 1, the upper end of the second supporting rod 14 is fixedly connected with the left end of the lower surface of the placing plate 7, the upper end of the second sliding sleeve 11 is rotatably connected with the lower end of a fourth connecting rod 15, the middle part of the fourth connecting rod 15 is rotatably connected with the back plate of the outer box 1, the upper end of the fourth connecting rod 15 is rotatably connected with the right end of a second fixing rod 16, and the left end of the second fixing rod 16 is fixedly connected with the center of the right end of a second fixing plate 17;
the lower end of a second support rod 14 is rotatably connected with the upper end of a third connecting rod 13, the lower end of the third connecting rod 13 is rotatably connected with the rear end of a second sliding sleeve 11, the second sliding sleeve 11 moves rightwards, the upper end of the second sliding sleeve 11 is rotatably connected with the lower end of the third connecting rod 13, the middle of the third connecting rod 13 is rotatably connected with a back plate of an outer box 1, the upper end of the third connecting rod 13 is rotatably connected with the right end of a second fixed rod 16, the left end of the second fixed rod 16 is fixedly connected with the center of the right end of a second fixed plate 17, the lower end of the second fixed plate 17 is slidably connected with the upper surface of a placing plate 7, the second fixed plate 17 moves leftwards, the fixing effect of the projector is realized through the matching with a first fixed plate 10, and the good damping effect is achieved through the extension and retraction of a first spring 5 and a second spring 12.
The right end of the first fixing plate 10 is fixedly connected with the left end of the first rubber 18.
The left end of the second fixing plate 17 is fixedly connected with the right end of the second rubber 19.
The joint of the second connecting rod 8 and the top plate of the outer box 1 is provided with a first rotating port 20.
And a second rotating port 21 is formed at the joint of the fourth connecting rod 15 and the top plate of the outer box 1.
The first fixing plate 10 is slidably connected with the upper surface of the placing plate 7.
Example two: this embodiment is a further improvement of the previous embodiment: the rolling devices 22 are fixedly connected at the left-right symmetrical positions at the lower end of the bottom plate of the outer box 1.
The utility model discloses a theory of operation is: a projector is placed at the upper end of the placing plate 7, the placing plate 7 moves downwards due to the action of gravity, the right end of the lower surface of the placing plate 7 is fixedly connected with the upper end of the first supporting rod 6, the lower end of the first supporting rod 6 is rotatably connected with the upper end of the first connecting rod 4, the lower end of the first connecting rod 4 is rotatably connected with the rear end of the first sliding sleeve 3, the first sliding sleeve 3 moves leftwards, the upper end of the first sliding sleeve 3 is fixedly connected with the lower end of the second connecting rod 8, the middle part of the second connecting rod 8 is rotatably connected with the back plate of the outer box 1, the upper end of the second connecting rod 8 is rotatably connected with the left end of the first fixing rod 9, the right end of the first fixing rod 9 is fixedly connected with the center of the left end of the first fixing plate 10, the lower end of the first fixing plate 10 is slidably connected with the upper surface of the placing plate 7, and the first fixing plate 10 moves rightwards; the right end of the lower surface of the placement plate 7 is fixedly connected with the upper end of a second support rod 14, the lower end of the second support rod 14 is rotatably connected with the upper end of a third connecting rod 13, the lower end of the third connecting rod 13 is rotatably connected with the rear end of a second sliding sleeve 11, the second sliding sleeve 11 moves rightwards, the upper end of the second sliding sleeve 11 is rotatably connected with the lower end of the third connecting rod 13, the middle of the third connecting rod 13 is rotatably connected with the back plate of the outer box 1, the upper end of the third connecting rod 13 is rotatably connected with the right end of a second fixed rod 16, the left end of the second fixed rod 16 is fixedly connected with the center of the right end of a second fixed plate 17, the lower end of the second fixed plate 17 is slidably connected with the upper surface of the placement plate 7, the second fixed plate 17 moves leftwards, the fixation effect of the projector is realized through the matching with the first fixed plate 10, and the good damping effect is achieved through the extension and contraction of the first spring 5 and the second spring 12.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A slide play fixing mechanism for English teaching comprises an outer box (1), wherein the inner wall of the outer box (1) is connected with a first slide bar (2), the left end of the first slide bar (2) is fixedly connected with the left plate of the outer box (1), the right end of the first slide bar (2) is fixedly connected with the right plate of the outer box (1), the first slide bar (2) penetrates through a first slide sleeve (3), the first slide sleeve (3) is slidably connected with a first connecting rod (4), the left end of the first slide sleeve (3) is fixedly connected with the right end of a first spring (5), the first spring (5) penetrates through the first slide bar (2), the left end of the first spring (5) is fixedly connected with the left plate of the outer box (1), the rear end of the first slide sleeve (3) is rotatably connected with the lower end of the first connecting rod (4), the upper end of the first connecting rod (4) is rotatably connected with the lower end of a first supporting rod (6), and the first supporting rod (6) penetrates through the top plate of the outer box (1), the upper end of a first supporting rod (6) is fixedly connected with the right end of the lower surface of a placing plate (7), the upper end of a first sliding sleeve (3) is fixedly connected with the lower end of a second connecting rod (8), the upper end of the first sliding sleeve (3) is rotatably connected with the back plate of an outer box (1), the upper end of the second connecting rod (8) is rotatably connected with the left end of a first fixed rod (9), the right end of the first fixed rod (9) is fixedly connected with the center of the left end of a first fixed plate (10), a first sliding rod (2) penetrates through a second sliding sleeve (11), the second sliding sleeve (11) is slidably connected with a first sliding rod (2), the right end of the second sliding sleeve (11) is fixedly connected with the left end of a second spring (12), the second spring (12) penetrates through the first sliding rod (2), the right end of the second spring (12) is fixedly connected with the right plate of the outer box (1), the rear end of the second sliding sleeve (11) is rotatably connected with the lower end of a third connecting rod (13), third connecting rod (13) middle part is rotated with first connecting rod (4) middle part and is connected, third connecting rod (13) upper end is rotated with second bracing piece (14) lower extreme and is connected, outer container (1) roof is run through in second bracing piece (14), second bracing piece (14) and outer container (1) roof sliding connection, second bracing piece (14) upper end with place board (7) lower surface left end fixed connection, second sliding sleeve (11) upper end is rotated with fourth connecting rod (15) lower extreme and is connected, fourth connecting rod (15) middle part is rotated with outer container (1) backplate and is connected, fourth connecting rod (15) upper end is rotated with second dead lever (16) right-hand member and is connected, second dead lever (16) left end and second fixed plate (17) right-hand member center department fixed connection.
2. The English teaching slide show fixture of claim 1, wherein the right end of the first fixing plate (10) is fixedly connected to the left end of the first rubber (18).
3. The slide show holding mechanism for english teaching according to claim 1, wherein the second holding plate (17) is fixedly connected at its left end to the right end of the second rubber (19).
4. The slide show holding mechanism for English teaching according to claim 1, wherein the second link (8) has a first rotation opening (20) at the connection with the top plate of the outer case (1).
5. The slide show holding mechanism for English teaching according to claim 1, wherein the fourth link (15) has a second rotation opening (21) at the connection with the top plate of the outer case (1).
6. A slide show fixture for english teaching according to claim 1 or claim 2, characterized in that the first fixing plate (10) is slidably connected to the upper surface of the placing plate (7).
7. The slide show holding mechanism for English teaching according to claim 1, wherein the rolling device (22) is fixedly connected to the bottom plate of the outer case (1) at a position symmetrical to the left and right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120428032.7U CN214405415U (en) | 2021-02-26 | 2021-02-26 | Slide broadcast fixing mechanism for English teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120428032.7U CN214405415U (en) | 2021-02-26 | 2021-02-26 | Slide broadcast fixing mechanism for English teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214405415U true CN214405415U (en) | 2021-10-15 |
Family
ID=78027933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120428032.7U Expired - Fee Related CN214405415U (en) | 2021-02-26 | 2021-02-26 | Slide broadcast fixing mechanism for English teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214405415U (en) |
-
2021
- 2021-02-26 CN CN202120428032.7U patent/CN214405415U/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: 20211015 |