CN204734084U - Freely adjust formula audio -visual education programme desk - Google Patents
Freely adjust formula audio -visual education programme desk Download PDFInfo
- Publication number
- CN204734084U CN204734084U CN201520457081.8U CN201520457081U CN204734084U CN 204734084 U CN204734084 U CN 204734084U CN 201520457081 U CN201520457081 U CN 201520457081U CN 204734084 U CN204734084 U CN 204734084U
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- CN
- China
- Prior art keywords
- desktop
- fixedly installed
- counterbore
- crane
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a freely adjust formula audio -visual education programme desk, belong to teaching equipment technical field, its structure is including preceding table, back table and top table, fixed preceding the initiative taper gear and the back the initiative taper gear of being provided with on the axle body of drive shaft, take over a business before front screw bar's fixed being provided with in top, the sinciput is sat crosslegged and is established in the front on the counter bore, be provided with preceding blind flange on the preceding counter bore, the through -hole extended downwards before front screw bar passed, driven bevel gear before front screw bar's bottom mounting is provided with, preceding driven bevel gear and the meshing of preceding initiative bevel gear, desktop hole department is provided with the crane, and the top of crane is provided with the damping pivot, and the swivel mount is connected in the damping pivot. This freely adjust formula audio -visual education programme desk can fix the display and set up on the swivel mount, can make the rotatory hand wheel of student adjust the lift height of crane to the rotatory swivel mount of bare -handed proper motion obtains to be fit for the display angle of elevation of own vision height, convenient and fast, and effective cooperation teaching makes student learning process more comfortable.
Description
Technical field
The utility model relates to teaching equipment technical field, specifically a kind of free adjustment formula audio-visual education programme desk.
Background technology
General, audio-visual education programme table mostly is the structure of fixing specification, can the audio-visual education programme equipment such as fixed configurations computer on it, and especially the height that arranges on audio-visual education programme table of computer monitor and angle are all changeless, so, can not meet the user demand of all students; It is short that student's height has height to have, and it is low that the visual level direction of student also has height to have, the audio-visual education programme table of prior art, and the height of its computer monitor and the elevation angle all can not adjust, and this brings negative effect to a certain extent to interactive teaching and learning, is unfavorable for teaching.
Summary of the invention
Technical assignment of the present utility model solves the deficiencies in the prior art, provides a kind of free adjustment formula audio-visual education programme desk.
The technical solution of the utility model realizes in the following manner, this free adjustment formula audio-visual education programme desk, and its structure comprises table, back side table and top table above,
Driving shaft runs through table above from table front above, driving shaft by table above rearwardly table extend, drive the tip of the axis to be arranged on the axle bed of back side table inwall,
The front end of driving shaft is fixedly installed handwheel, and handwheel is provided with rotary handle, and rotary handle is hinged on handwheel,
The axle body of driving shaft is fixedly installed front drive bevel gear and rear drive bevel gear,
Top table offers desktop hole, the front side in desktop hole is set to leading edge desktop, and the rear side in desktop hole is set to trailing edge desktop,
Leading edge desktop offers front counterbore, front counterbore center is provided with the front through hole of through leading edge desktop, take over a business before the top of front screw is fixedly installed, sinciput is sat crosslegged and is located on front counterbore, front counterbore is provided with forward flange lid, front take over a business upper and lower surface and forward flange lid, be respectively arranged with frontal plane bearing between front counterbore, front screw extends downwards through front through hole, the bottom of front screw is fixedly installed front driven wheel of differential, front driven wheel of differential and the engagement of front drive bevel gear;
Trailing edge desktop offers rear counterbore, rear counterbore center is provided with the rear through hole of through trailing edge desktop, take over a business after the top of rear screw rod is fixedly installed, after take over a business seat and be located on rear counterbore, rear counterbore is provided with rear flange lid, after the upper and lower surface of taking over a business and rear flange lid, be respectively arranged with back plane bearing between rear counterbore, rear screw rod extends downwards through rear through hole, the bottom of rear screw rod is fixedly installed rear driven wheel of differential, rear driven wheel of differential and the engagement of rear drive bevel gear;
Desktop hole place is provided with crane,
The leading edge of crane is fixedly installed front nut, and front nut revolves and is located on front screw;
The trailing edge of crane is fixedly installed back nut, and back nut revolves and is located on rear screw rod;
Front screw is identical with rear screw flight specification;
The sidepiece of crane offers dovetail chute, and the side in desktop hole is provided with dovetail slide block; Crane is slidably connected by the cooperation between dovetail chute and dovetail slide block and top table;
The top of crane is provided with Damping rotation shaft, and Damping rotation shaft connects swivel mount.
The axle bed of back side table inwall is provided with back side bearing.
Driving shaft and be provided with bearing above between table above.
The position that driving shaft is positioned at table antetheca side is above fixedly installed positive stop, and the position that driving shaft is positioned at table rear wall side is above fixedly installed backstop.
The beneficial effect that the utility model is compared with prior art produced is:
Display can be fixedly installed on swivel mount by this free adjustment formula audio-visual education programme desk, student's rotation hand wheel can be made to regulate the adjustable height of crane, and free-hand autorotation swivel mount obtains the display elevation angle of oneself eye level applicable, convenient and swift, effective cooperation teaching, makes students'learning more comfortable.
Handwheel drives the rotation of driving shaft, realizes the power transmission of bevel gear, makes screw rod synchronous rotary to promote and reduce nut, thus drives crane to move up and down, and the cooperation of screw rod and nut has rotary self-locking function, can accomplish safe handling.
The setting of Damping rotation shaft also well can fix the elevation angle of swivel mount OQ t frame, convenient and swift.
This free adjustment formula audio-visual education programme desk is reasonable in design, structure is simple, safe and reliable, easy to use, be easy to safeguard, have good value for applications.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
Mark in accompanying drawing represents respectively:
1, table above, 2, back side table, 3, top table,
4, driving shaft, 5, axle bed, 6, handwheel, 7, rotary handle, 8, front drive bevel gear, 9, rear drive bevel gear,
10, desktop hole, 11, leading edge desktop, 12, trailing edge desktop,
13, front counterbore, 14, front through hole, 15, front screw, 16, front take over a business, 17, forward flange lid, 18, frontal plane bearing, 19, front driven wheel of differential,
20, rear counterbore, 21, rear through hole, 22, rear screw rod, 23, after take over a business, 24, rear flange lid, 25, back plane bearing, 26, rear driven wheel of differential,
27, crane, 28, front nut, 29, back nut, 30, dovetail chute, 31, dovetail slide block,
32, Damping rotation shaft, 33, swivel mount,
34, back side bearing, 35, above bearing, 36, positive stop, 37, backstop.
Detailed description of the invention
Below in conjunction with accompanying drawing, free adjustment formula audio-visual education programme desk of the present utility model is described in detail below.
As shown in drawings, free adjustment formula audio-visual education programme desk of the present utility model, its structure comprises table 1, back side table 2 and top table 3 above,
Driving shaft 4 runs through table 1 above from table 1 front above, driving shaft 4 by table 1 above rearwardly table 2 extend, the end of driving shaft 4 is arranged on the axle bed 5 of back side table 2 inwall,
The front end of driving shaft 4 is fixedly installed handwheel 6, handwheel 6 is provided with rotary handle 7, and rotary handle 7 is hinged on handwheel 6,
The axle body of driving shaft 4 is fixedly installed front drive bevel gear 8 and rear drive bevel gear 9,
Top table 3 offers desktop hole 10, the front side in desktop hole 10 is set to leading edge desktop 11, and the rear side in desktop hole is set to trailing edge desktop 12,
Leading edge desktop 11 offers front counterbore 13, front counterbore 13 center is provided with the front through hole 14 of through leading edge desktop, 16 are taken over a business before the top of front screw 15 is fixedly installed, before take over a business 16 seats and be located on front counterbore, front counterbore is provided with forward flange lid 17, before the upper and lower surface of taking over a business and forward flange lid, be respectively arranged with frontal plane bearing 18 between front counterbore, front screw 15 extends downwards through front through hole, the bottom of front screw is fixedly installed front driven wheel of differential 19, and front driven wheel of differential 19 and front drive bevel gear 8 engage;
Trailing edge desktop 12 offers rear counterbore 20, rear counterbore center is provided with the rear through hole 21 of through trailing edge desktop, 23 are taken over a business after the top of rear screw rod 22 is fixedly installed, after take over a business 23 seats and be located on rear counterbore, rear counterbore is provided with rear flange lid 24, after take over a business 23 upper and lower surface and rear flange lid, be respectively arranged with back plane bearing 25 between rear counterbore, rear screw rod 22 extends downwards through rear through hole, the bottom of rear screw rod is fixedly installed rear driven wheel of differential 26, and rear driven wheel of differential 26 and rear drive bevel gear 9 engage;
Desktop hole 10 place is provided with crane 27,
The leading edge of crane 27 is fixedly installed front nut 28, and front nut revolves and is located on front screw 15;
The trailing edge of crane 27 is fixedly installed back nut 29, and back nut revolves and is located on rear screw rod 22;
Front screw 15 is identical with the screw thread specification of rear screw rod 22;
The sidepiece of crane 27 offers dovetail chute 30, and the side in desktop hole 10 is provided with dovetail slide block 31; Crane 27 is slidably connected by the cooperation between dovetail chute and dovetail slide block and top table 3;
The top of crane 27 is provided with Damping rotation shaft 32, and Damping rotation shaft 32 connects swivel mount 33.
The axle bed 5 of back side table 2 inwall is provided with back side bearing 34.
Driving shaft 4 and be provided with bearing 35 above between table 1 above.
The position that driving shaft 4 is positioned at table antetheca side is above fixedly installed positive stop 36, and the position that driving shaft is positioned at table rear wall side is above fixedly installed backstop 37.
Claims (4)
1. free adjustment formula audio-visual education programme desk, is characterized in that comprising table, back side table and top table above,
Driving shaft runs through table above from table front above, driving shaft by table above rearwardly table extend, drive the tip of the axis to be arranged on the axle bed of back side table inwall,
The front end of driving shaft is fixedly installed handwheel, and handwheel is provided with rotary handle, and rotary handle is hinged on handwheel,
The axle body of driving shaft is fixedly installed front drive bevel gear and rear drive bevel gear,
Top table offers desktop hole, the front side in desktop hole is set to leading edge desktop, and the rear side in desktop hole is set to trailing edge desktop,
Leading edge desktop offers front counterbore, front counterbore center is provided with the front through hole of through leading edge desktop, take over a business before the top of front screw is fixedly installed, sinciput is sat crosslegged and is located on front counterbore, front counterbore is provided with forward flange lid, front take over a business upper and lower surface and forward flange lid, be respectively arranged with frontal plane bearing between front counterbore, front screw extends downwards through front through hole, the bottom of front screw is fixedly installed front driven wheel of differential, front driven wheel of differential and the engagement of front drive bevel gear;
Trailing edge desktop offers rear counterbore, rear counterbore center is provided with the rear through hole of through trailing edge desktop, take over a business after the top of rear screw rod is fixedly installed, after take over a business seat and be located on rear counterbore, rear counterbore is provided with rear flange lid, after the upper and lower surface of taking over a business and rear flange lid, be respectively arranged with back plane bearing between rear counterbore, rear screw rod extends downwards through rear through hole, the bottom of rear screw rod is fixedly installed rear driven wheel of differential, rear driven wheel of differential and the engagement of rear drive bevel gear;
Desktop hole place is provided with crane,
The leading edge of crane is fixedly installed front nut, and front nut revolves and is located on front screw;
The trailing edge of crane is fixedly installed back nut, and back nut revolves and is located on rear screw rod;
Front screw is identical with rear screw flight specification;
The sidepiece of crane offers dovetail chute, and the side in desktop hole is provided with dovetail slide block; Crane is slidably connected by the cooperation between dovetail chute and dovetail slide block and top table;
The top of crane is provided with Damping rotation shaft, and Damping rotation shaft connects swivel mount.
2. free adjustment formula audio-visual education programme desk according to claim 1, the axle bed that it is characterized in that back side table inwall is provided with back side bearing.
3. free adjustment formula audio-visual education programme desk according to claim 1, is characterized in that driving shaft and is provided with bearing above between table above.
4. free adjustment formula audio-visual education programme desk according to claim 1, it is characterized in that the position that driving shaft is positioned at table antetheca side is above fixedly installed positive stop, the position that driving shaft is positioned at table rear wall side is above fixedly installed backstop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520457081.8U CN204734084U (en) | 2015-06-30 | 2015-06-30 | Freely adjust formula audio -visual education programme desk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520457081.8U CN204734084U (en) | 2015-06-30 | 2015-06-30 | Freely adjust formula audio -visual education programme desk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204734084U true CN204734084U (en) | 2015-11-04 |
Family
ID=54415855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520457081.8U Expired - Fee Related CN204734084U (en) | 2015-06-30 | 2015-06-30 | Freely adjust formula audio -visual education programme desk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204734084U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830362A (en) * | 2017-10-20 | 2018-03-23 | 宁波索迈视听科技有限公司 | A kind of LCD bracket of convenient regulation |
| CN108004687A (en) * | 2017-12-05 | 2018-05-08 | 中山市沃尔克缝制设备有限公司 | A kind of sewing machine lifting platform |
| CN108172079A (en) * | 2018-02-26 | 2018-06-15 | 河南工学院 | A kind of kinetics research device |
| CN108777086A (en) * | 2018-06-28 | 2018-11-09 | 湖南工艺美术职业学院 | A kind of career planing careers guidance and basic lecture auxiliary device of starting an undertaking |
| CN110089854A (en) * | 2019-03-30 | 2019-08-06 | 安徽天鹅科技实业（集团）有限公司 | It is a kind of can automatic controlled height shoe rack |
-
2015
- 2015-06-30 CN CN201520457081.8U patent/CN204734084U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830362A (en) * | 2017-10-20 | 2018-03-23 | 宁波索迈视听科技有限公司 | A kind of LCD bracket of convenient regulation |
| CN108004687A (en) * | 2017-12-05 | 2018-05-08 | 中山市沃尔克缝制设备有限公司 | A kind of sewing machine lifting platform |
| CN108172079A (en) * | 2018-02-26 | 2018-06-15 | 河南工学院 | A kind of kinetics research device |
| CN108777086A (en) * | 2018-06-28 | 2018-11-09 | 湖南工艺美术职业学院 | A kind of career planing careers guidance and basic lecture auxiliary device of starting an undertaking |
| CN110089854A (en) * | 2019-03-30 | 2019-08-06 | 安徽天鹅科技实业（集团）有限公司 | It is a kind of can automatic controlled height shoe rack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151104 Termination date: 20160630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |