CN213524326U - Podium is used in political affairs propaganda - Google Patents
Podium is used in political affairs propaganda Download PDFInfo
- Publication number
- CN213524326U CN213524326U CN202021823493.6U CN202021823493U CN213524326U CN 213524326 U CN213524326 U CN 213524326U CN 202021823493 U CN202021823493 U CN 202021823493U CN 213524326 U CN213524326 U CN 213524326U
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- Prior art keywords
- fixedly connected
- chain wheel
- circumferential surface
- rotating shaft
- arc groove
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- 241001310793 Podium Species 0.000 title claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
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Abstract
The utility model discloses a podium for political teaching in the field of political teaching, which comprises a base, wherein the upper end of the base is fixedly connected with a support column, a bearing seat and a fixing frame, the side end face of the support column is provided with a chute, a slide block is arranged in the chute in a sliding way, a screw rod is connected in the slide block through internal threads, a second bevel gear is fixedly connected with the periphery of the screw rod, and the upper end of the support column is fixedly connected with; a transmission shaft is rotationally connected in the bearing seat, and a first chain wheel and a first bevel gear are fixedly connected with the circumferential surface of the transmission shaft; a rotating shaft is rotationally connected in the fixing frame, a pedal is fixedly connected on the circumferential surface of the rotating shaft, a first spring is fixedly connected at the lower end of the pedal, a second chain wheel is rotationally connected on the circumferential surface of the rotating shaft, a clamping groove is formed in the inner wall of the second chain wheel, and a first arc groove is formed in the front end face of the clamping groove; set up the third circular arc groove in the pivot, third circular arc inslot rotation is connected with the fixture block, the utility model discloses simple structure cost of manufacture is low, only needs simple operation just can reach the height of control xuan podium.
Description
Technical Field
The utility model relates to a field is explained to the political worker, specifically is a podium is used in political worker's explanation.
Background
The politicians refer to political ideological work, the political cadres refer to cadres who work on the political ideology under the leadership of the co-production party, and the politicians refer to professional staff qualified to do the political ideological work. The capacity and quality of the government cadres are directly related to the quality of the infrastructure. Under the new trend of implementing 'three-base engineering' construction at present, how to further improve the comprehensive quality of the cadres of the government works at the basic level, provide powerful thought guarantee for satisfactorily completing various heavy fire protection and security tasks, and are the problems that leaders at all levels and the cadres of the government works at the basic level need to be urgently solved, so that the political workers are required to publicize the related political ideas.
However, the traditional political propaganda platform is only fixed at a certain height, and the height of the platform can not be adjusted according to the heights of different people, so that when the platform is used for propaganda, the propaganda personnel are more strenuous, and the result that the propaganda effect cannot reach the desired result is caused.
Therefore, the utility model provides a podium is used in political industry's propaganda to solve the problem that proposes in the above-mentioned background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a political affairs explain and use podium 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:
a platform for political teaching comprises a base, wherein a support column, a bearing seat and a fixing frame are fixedly connected to the upper end of the base, a sliding groove is formed in the end face of the support column side, a sliding block is arranged in the sliding groove in a sliding mode, a lead screw is connected to the inner thread of the sliding block, a second bevel gear is fixedly connected to the circumferential face of the lead screw, and a cross beam is fixedly connected to the upper end of the support column; a transmission shaft is rotationally connected in the bearing seat, and a first chain wheel and a first bevel gear are fixedly connected with the circumferential surface of the transmission shaft; a rotating shaft is rotatably connected in the fixed frame, a pedal is fixedly connected to the circumferential surface of the rotating shaft, a first spring is fixedly connected to the lower end of the pedal, a second chain wheel is rotatably connected to the circumferential surface of the rotating shaft, a clamping groove is formed in the inner wall of the second chain wheel, and a first arc groove is formed in the front end face of the clamping groove; the rotating shaft is internally provided with a third arc groove, a clamping block is rotationally connected in the third arc groove, the front end of the clamping block is fixedly connected with a shifting lever, the circumferential surface of the shifting lever is in threaded connection with a fastening handle, the lower end of the clamping block is fixedly connected with a second spring, and the front end face of the third arc groove is provided with a second arc groove.
As a further aspect of the present invention: slider rear end fixedly connected with table body, fixed stereo set, baffle and the microphone of being provided with in table body upper end, like this at the during operation, can give the enlargeing with the sound of explaining personnel, reduced the injury of explaining personnel's throat.
As a further aspect of the present invention: the first chain wheel and the second chain wheel are connected through a chain, so that when the transmission shaft works, the first chain wheel is driven to rotate through the rotation of the second chain wheel under the action of the chain, and the transmission shaft rotates.
As a further aspect of the present invention: the bearing frame evenly distributed is in the base upper end, like this at the during operation, can reach the stable support to the transmission shaft for the transmission shaft transmission is more stable.
As a further aspect of the present invention: the pedals are symmetrically distributed at two ends of the base, and the pedal faces in opposite directions, so that when the platform works, the lifting and the lowering of the propaganda platform can be controlled by stepping on different pedals.
Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
the shifting rod is shifted to enable the shifting rod to slide into the second arc groove from the first arc groove, so that the clamping block is separated from the clamping groove, the fastening handle is screwed, the fastening handle is tightly attached to the rotating shaft, the clamping block is fixed, and the rotating shaft cannot be driven to rotate when the second chain wheel is rotated; when the lifting is carried out, the deflector rod on the side of lowering is fixed in the second arc groove, and the pedal is stepped on, under the action of the rotating shaft, the second chain wheel rotates under the matching of the clamping block and the clamping groove, then the first chain wheel rotates under the action of the chain, the rotation of the first chain wheel drives the transmission shaft to rotate, at this time, the first bevel gear rotates, the first bevel gear drives the second bevel gear engaged with the first bevel gear to rotate, thereby leading the screw rod to rotate, leading the screw rod to rotate and drive the sliding block in threaded connection to slide in the sliding chute, thereby achieving the purpose of lifting, when the lifting rod is lowered, the lifting rod on one side of the lifting rod is fixed in the second arc groove, then step on the footboard again and make the slider move down at the spout, reached the reduction purpose like this, solved and explained the not adjustable problem of platform height, great improvement the practicality of device to the demand of the different people who satisfies.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention;
fig. 3 is an enlarged schematic structural view of a portion B in fig. 2 according to the present invention;
fig. 4 is a schematic structural view of a middle-right partial section of the present invention;
fig. 5 is an enlarged schematic structural view of a portion C in fig. 4 according to the present invention.
In the figure: 1-base, 2-support column, 3-sliding groove, 4-sliding block, 5-screw rod, 6-sound, 7-baffle, 8-microphone, 9-beam, 10-bearing seat, 11-first bevel gear, 12-transmission shaft, 13-pedal, 14-first spring, 15-fixing frame, 16-chain, 17-first chain wheel, 18-second bevel gear, 19-rotating shaft, 20-deflector rod, 21-first arc groove, 22-fastening handle, 23-second arc groove, 24-second chain wheel, 25-clamping groove, 26-clamping block, 27-third arc groove, 28-second spring and 29-table body.
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 to 5, in an embodiment of the present invention, a platform for political teaching includes a base 1, a support pillar 2, a bearing seat 10 and a fixing frame 15 are fixedly connected to an upper end of the base 1, a sliding groove 3 is formed on a side end surface of the support pillar 2, a sliding block 4 is slidably disposed in the sliding groove 3, a screw rod 5 is connected to the sliding block 4 through an internal thread, a second bevel gear 18 is fixedly connected to a circumferential surface of the screw rod 5, and a cross beam 9 is fixedly connected to an upper end of the; a transmission shaft 12 is rotatably connected in the bearing seat 10, and a first chain wheel 17 and a first bevel gear 11 are fixedly connected with the circumferential surface of the transmission shaft 12; a rotating shaft 19 is rotatably connected in the fixed frame 15, a pedal 13 is fixedly connected on the circumferential surface of the rotating shaft 19, a first spring 14 is fixedly connected at the lower end of the pedal 13, a second chain wheel 24 is rotatably connected on the circumferential surface of the rotating shaft 19, a clamping groove 25 is formed in the inner wall of the second chain wheel 24, and a first arc groove 21 is formed in the front end surface of the clamping groove 25; a third arc groove 27 is formed in the rotating shaft 19, a clamping block 26 is rotatably connected in the third arc groove 27, a shifting rod 20 is fixedly connected to the front end of the clamping block 26, a tightening handle 22 is connected to the circumferential surface of the shifting rod 20 in a threaded manner, a second spring 28 is fixedly connected to the lower end of the clamping block 26, and a second arc groove 23 is formed in the front end face of the third arc groove 27.
The rear end of the sliding block 4 is fixedly connected with a table body 29, and the upper end of the table body 29 is fixedly provided with a sound box 6, a baffle 7 and a microphone 8, so that when the desk works, the sound of a speaker can be amplified, and the harm to the voice of the speaker is reduced; the first chain wheel 17 and the second chain wheel 24 are connected through the chain 16, so that in operation, the first chain wheel 17 is driven to rotate through the rotation of the second chain wheel 24 under the action of the chain 16, and the transmission shaft 12 is driven to rotate; the bearing blocks 10 are uniformly distributed at the upper end of the base 1, so that when the device works, the transmission shaft 12 can be stably supported, and the transmission of the transmission shaft 12 is more stable; the pedals 13 are symmetrically distributed at two ends of the base 1, and the pedals 13 face opposite directions, so that when the platform works, the lifting and the lowering of the platform can be controlled by stepping on different pedals 13.
The utility model discloses a theory of operation is:
use the utility model discloses the time, place required place with this device, when rising, give through reducing driving lever 20 on one side earlier and fix in second circular arc groove 23 through the effect of tightly deciding handle 22, at this moment can make fixture block 26 break away from draw-in groove 25, reach not fixed to second sprocket 24, like this when rising, can not make to reduce this device and cause the damage. After the deflector rod 20 is fixed, the pedal 13 is stepped by feet, the second chain wheel 24 is rotated under the action of the rotating shaft 19 and under the matching of the clamping block 26 and the clamping groove 25, then the first chain wheel 17 is rotated under the action of the chain 16, the transmission shaft 12 is driven to rotate by the rotation of the first chain wheel 17, at this time, the first bevel gear 11 is driven to rotate, the first bevel gear 11 drives the second bevel gear 18 meshed with the first bevel gear to rotate, and further the screw rod 5 is driven to rotate, the slide block 4 in threaded connection is driven to slide upwards in the sliding groove 3 by the rotation of the screw rod 5, when the pedal 13 is stepped to be low, the feet are loosened, the pedal 13 is reset under the action of the spring, the rotating shaft 19 is driven to rotate in the opposite direction while the pedal 13 is reset, and the clamping block 26 and the clamping groove 25 both have certain arc surfaces, so that the second chain wheel 24 cannot be rotated by the reverse, after the pedal 13 is reset, the latch 26 is locked in the latch slot 25 under the action of the second spring 28, so that the next stepping is facilitated. When reducing, at this moment will rise driving lever 20 on one side and give and fix in second circular arc groove 23, then step on footboard 13 again and make slider 4 move down at spout 3, just so reduced the purpose, the utility model discloses simple structure low in manufacturing cost only needs simple operation just can reach the height of control propaganda platform, great improvement the effect of publicity, has reduced politician personnel's fatigue.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a political teaching uses podium, includes base (1), its characterized in that: the upper end of the base (1) is fixedly connected with a supporting column (2), a bearing seat (10) and a fixing frame (15), the side end face of the supporting column (2) is provided with a sliding chute (3), the sliding chute (3) is provided with a sliding block (4) in a sliding manner, the sliding block (4) is connected with a screw rod (5) in an internal thread manner, the circumferential surface of the screw rod (5) is fixedly connected with a second bevel gear (18), and the upper end of the supporting column (2) is fixedly connected with a cross; a transmission shaft (12) is rotatably connected in the bearing seat (10), and a first chain wheel (17) and a first bevel gear (11) are fixedly connected to the circumferential surface of the transmission shaft (12); a rotating shaft (19) is rotatably connected to the fixed frame (15), a pedal (13) is fixedly connected to the circumferential surface of the rotating shaft (19), a first spring (14) is fixedly connected to the lower end of the pedal (13), a second chain wheel (24) is rotatably connected to the circumferential surface of the rotating shaft (19), a clamping groove (25) is formed in the inner wall of the second chain wheel (24), and a first arc groove (21) is formed in the front end face of the clamping groove (25); a third arc groove (27) is formed in the rotating shaft (19), a clamping block (26) is rotationally connected in the third arc groove (27), a shifting rod (20) is fixedly connected to the front end of the clamping block (26), a tightening handle (22) is in threaded connection with the circumferential surface of the shifting rod (20), a second spring (28) is fixedly connected to the lower end of the clamping block (26), and a second arc groove (23) is formed in the front end face of the third arc groove (27).
2. A lecture platform for political lecture according to claim 1, wherein: slider (4) rear end fixedly connected with table body (29), table body (29) upper end is fixed and is provided with stereo set (6), baffle (7) and microphone (8).
3. A lecture platform for political lecture according to claim 1, wherein: the first chain wheel (17) and the second chain wheel (24) are connected through a chain (16).
4. A lecture platform for political lecture according to claim 1, wherein: the bearing seats (10) are uniformly distributed at the upper end of the base (1).
5. A lecture platform for political lecture according to claim 1, wherein: the pedals (13) are symmetrically distributed at two ends of the base (1), and the surfaces of the pedals (13) face opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021823493.6U CN213524326U (en) | 2020-08-27 | 2020-08-27 | Podium is used in political affairs propaganda |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021823493.6U CN213524326U (en) | 2020-08-27 | 2020-08-27 | Podium is used in political affairs propaganda |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213524326U true CN213524326U (en) | 2021-06-25 |
Family
ID=76489716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021823493.6U Expired - Fee Related CN213524326U (en) | 2020-08-27 | 2020-08-27 | Podium is used in political affairs propaganda |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213524326U (en) |
-
2020
- 2020-08-27 CN CN202021823493.6U patent/CN213524326U/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: 20210625 |