CN204120496U - A kind of plate face Extensible portable drawing frame - Google Patents
A kind of plate face Extensible portable drawing frame Download PDFInfo
- Publication number
- CN204120496U CN204120496U CN201420394780.8U CN201420394780U CN204120496U CN 204120496 U CN204120496 U CN 204120496U CN 201420394780 U CN201420394780 U CN 201420394780U CN 204120496 U CN204120496 U CN 204120496U
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- hinged
- terminal pad
- middle terminal
- crossbeam
- drawing frame
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Abstract
The utility model discloses a kind of plate face Extensible portable drawing frame, belong to plotting equipment technical field.It can solve the problem that ordinary desktop uses draughting board effectively, elevating mechanism is between base plate and middle terminal pad, the opposite face of middle terminal pad and bottom surface rotating ring is equipped with four uniform locating holes, with in the difference stationary positioned hole, two ends of the connecting rod of ball pivot, hinged below the upper fulcrum of folding stand and middle terminal pad, lower fulcrum and bottom surface disk hinged; The side of middle terminal pad is provided with link, and centre is provided with sawtooth locating slot, one end of support and the bottom surface of lower disc hinged, the other end coordinates with sawtooth locating slot; The periphery of lower disc is provided with four guide rails, crank one end of slider-crank mechanism and top rotary table hinged, the slide block on the other end and guide rail is hinged, and support panel is fixed on slide block; Middle part and the link of crossbeam are hinged, and the free end near two guide rails of crossbeam is each passed through the two ends of crossbeam.Be mainly used in drawing performance.
Description
Technical field
The utility model belongs to plotting equipment technical field.
Background technology
Manufacturing process and equipment is the required course of Techniques for Machinery Students.But in China university, Drawing Courses and Course Exercise can only be carried out in rare and special drawing classroom, go out the situation that situ producing pattern classroom is not enough sometimes, all bring inconvenience to teacher, student like this.In addition, angle and height due to traditional drawing bench can not meet the requirement of different student, and a lot of student has to bow for a long time and bends over to chart, and often has a pain in the back at the end of drawing.Drawing course very long in this case makes the drawing efficiency of student decline gradually, very easily produces fatigue, and student is starved of a kind of comfortable charting environment.For these problems, we devise portable multi-function drawing frame.This drawing frame can coordinate wooden common mapping plate and conventional tables to use, Drawing Courses is not only carried out in special drawing classroom, student does drawing assignment after class also can have the place of horizontal table top to complete any, and multi-functional adjustable structure can make that student is comfortable completes drawing course like a cork.Have some drawing tables and chairs can realize the adjustment of height of table top and angle at present, but volume is comparatively large, cost is higher.
Utility model content
The purpose of this utility model is to provide a kind of plate face Extensible portable drawing frame, it can solve the problem that multiple ordinary desktop uses draughting board effectively, can realize draughting board angle, highly all adjustable, drawing frame plate face can conveniently change its size to adapt to the draughting board varied in size by rotating.
The utility model realizes the technical scheme that its object adopts, a kind of plate face Extensible portable drawing frame, comprise base plate, panel and elevating mechanism, base plate is made up of bottom surface disk and bottom surface rotating ring, to be that Space Rotating is single go straight up to four-bar linkage to described elevating mechanism, this mechanism is between base plate and middle terminal pad, the opposite face of middle terminal pad and bottom surface rotating ring is equipped with four uniform locating holes, two ends with the connecting rod of ball pivot are separately fixed in the locating hole of middle terminal pad and bottom surface rotating ring, hinged below the upper fulcrum of folding stand and middle terminal pad, lower fulcrum and bottom surface disk hinged, the side of middle terminal pad is provided with link, and centre is provided with sawtooth locating slot, one end of support and the bottom surface of lower disc hinged, the other end coordinates with sawtooth locating slot, the periphery of lower disc is provided with four guide rails, and its extended line crosses center of circle square crossing, crank one end of slider-crank mechanism and top rotary table hinged, the slide block on the other end and guide rail is hinged, and support panel is fixed on slide block, middle part and the link of crossbeam are hinged, and the free end near two guide rails of crossbeam is each passed through the two ends of crossbeam, bottom surface rotating ring and top rotary table are equipped with a set of lever self-locking mechanism.
The button of described lever self-locking mechanism by back shaft and button base hinged, button one end is fixed with spring and the other end is fixed with alignment pin.
Described alignment pin coordinates with the locating hole are provided with in the locating hole of lower disc and bottom surface disk ring week respectively.
This drawing frame can coordinate traditional draughting board and multiple desktop to use, angle, highly all adjustable, drawing frame plate face can conveniently change its size to adapt to the draughting board varied in size by rotating, the height of drawing frame regulates and adopts that futuramic Space Rotating is single goes straight up to four-bar linkage, only need swivel base just can realize Height Adjustment, the locking device that the expansion of plate face and Height Adjustment adopt is simple to operate, dependable performance, this drawing frame can be folded into one deck when not using, be convenient for carrying, this device working stability, dependable performance, bring good drawing experience can to drawing personnel, meet the principle of ergonomics.
The course of work and the principle of utility model are: the frame that will chart is placed on the table, rotate bottom surface rotating ring, the rotary motion of bottom surface rotating ring is converted to elevating movement drawing frame can be transferred to suitable height by Space Rotating single four-bar linkage of going straight up to, highly adjustment can be completed by the locking of lever self-locking mechanism; Then chart frame plate face angle to appropriate location by traversing carriage adjustment, support is inserted in corresponding zigzag locating slot and can complete angular adjustment; When needs are according to draughting board size adjustment drawing frame plate face, press top rotary table button, this button one end is provided with spring, and the other end is provided with alignment pin, and under lock-out state, alignment pin inserts in the locating hole of lower rotary table; Press the button the one end with spring, utilize lever principle, by alignment pin jack-up, depart from locating hole namely rotatably; By the top rotary table of swivel plate face central top, moved along guide rail by crank handle turns slide block, thus make four pieces of independent support panel expansions; When turning to appropriate location, spring tension is by button one end jack-up, and the alignment pin of the button other end inserts in locating hole again, automatically realizes locking, completes adjustment.
Compared with prior art, the beneficial effects of the utility model are:
One, the utility model is regulated by single elevating movement that the rotary motion of bottom surface rotating ring to be converted to crane by four-bar linkage realize the charting height of frame of going straight up to of Space Rotating, designs ingenious, easy to operate.
Two, the plate face expansion of drawing frame adopts slider-crank mechanism, and can realize the expansion of plate face by Rotation of central disk, it is simple to operate, only need press the button namely rotatable adjustment, after turning to precalculated position, automatically can realize locking, this structure is easy to use, simple to operate.
Three, the lever self-locking mechanism locking that the frame that charts adopts is simple, dependable performance.
Accompanying drawing explanation
Fig. 1 is graphics of the present utility model
Fig. 2 is top view of the present utility model
Fig. 3 is rearview of the present utility model
Fig. 4 is that the utility model folds view
Fig. 5 is the three-dimensional explosive view of the utility model lever self-locking mechanism
Fig. 6 is the 3 d part figure of the utility model bottom surface disk
Fig. 7 is the 3 d part view of the utility model lower disc
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
A kind of detailed description of the invention of the present utility model is, a kind of plate face Extensible portable drawing frame, comprise base plate, panel and elevating mechanism, base plate is made up of bottom surface disk 7 and bottom surface rotating ring 3, to be that Space Rotating is single go straight up to four-bar linkage to described elevating mechanism, this mechanism is between base plate and middle terminal pad 2, middle terminal pad 2 and the opposite face of bottom surface rotating ring 3 are equipped with four uniform locating holes, two ends with the connecting rod 1 of ball pivot are separately fixed in the locating hole of middle terminal pad 2 and bottom surface rotating ring 3, hinged below the upper fulcrum of folding stand 6 and middle terminal pad 2, lower fulcrum and bottom surface disk 7 hinged, the side of middle terminal pad 2 is provided with link 5, and centre is provided with sawtooth locating slot 4, one end of support 8 and the bottom surface of lower disc 9 hinged, the other end coordinates with sawtooth locating slot 4, the periphery of lower disc 9 is provided with four guide rails 10, and its extended line crosses center of circle square crossing, and crank 12 one end and the top rotary table 13 of slider-crank mechanism are hinged, and the slide block 14 on the other end and guide rail 10 is hinged, and top rotary table 13 is connected by the mandrel 11 of lower disc 9, support panel 15 is fixed on slide block 14, middle part and the link 5 of crossbeam 16 are hinged, and the free end near two guide rails 10 of crossbeam 16 is each passed through the two ends of crossbeam 16, bottom surface rotating ring 3 and top rotary table 13 are equipped with a set of lever self-locking mechanism.
The button 17 of described lever self-locking mechanism is hinged by back shaft 21 and button base 20, and button 17 one end is fixed with spring 18 and the other end is fixed with alignment pin 19.
Described alignment pin 19 coordinates with the locating hole 22 are provided with in the locating hole 23 of lower disc 9 and bottom surface disk 7 ring week respectively.
The utility model can coordinate traditional draughting board and multiple desktop to use, the angle of draughting board, highly all adjustable, the support panel 15 of drawing frame can by rotating, conveniently change its size to adapt to the draughting board varied in size, the height of drawing frame regulates and adopts that futuramic Space Rotating is single goes straight up to four-bar linkage, only need to rotate bottom surface disk 3 and just can realize Height Adjustment, the expansion of plate face and Height Adjustment adopt lever self-locking mechanism, simple to operate, dependable performance, this drawing frame can be folded into one deck when not using, be convenient for carrying, this device working stability, dependable performance, bring good drawing experience can to drawing personnel, meet the principle of ergonomics.
The course of work of the present utility model and principle are: the frame that will chart is placed on the table, rotate bottom surface rotating ring 3, the rotary motion of bottom surface rotating ring 3 is converted to elevating movement drawing frame can be transferred to suitable height by Space Rotating single four-bar linkage of going straight up to, highly adjustment can be completed by the locking of lever self-locking mechanism; Then adjust drawing frame plate face angle to appropriate location by traversing carriage 8, the pole of support 8 is inserted in corresponding zigzag locating slot 4 and can complete angular adjustment; When needs are according to draughting board size adjustment drawing frame support panel 15, press the button 17 of top rotary table 13, this button 17 one end is provided with spring 18, and the other end is provided with alignment pin 19, and under lock-out state, alignment pin 19 inserts in the locating hole 23 of lower disc 9; Press the button 17 with one end of spring 18, utilize lever principle, by alignment pin 19 jack-up, it is namely rotatable to depart from locating hole 23; By the top rotary table 13 of swivel plate face central top, movable slider 14 is with to move along guide rail 10 by crank 12, thus make four pieces independently gripper shoe face 15 expand, when turning to appropriate location, spring 18 tension force is by button 17 one end jack-up, the alignment pin 19 of button 17 other end inserts in locating hole 23 again, automatically realizes locking, completes adjustment.
Claims (3)
1. a plate face Extensible portable drawing frame, comprise base plate, panel and elevating mechanism, base plate is made up of bottom surface disk (7) and bottom surface rotating ring (3), it is characterized in that: to be that Space Rotating is single go straight up to four-bar linkage to described elevating mechanism, this mechanism is positioned between base plate and middle terminal pad (2), middle terminal pad (2) and the opposite face of bottom surface rotating ring (3) are equipped with four uniform locating holes, two ends with the connecting rod (1) of ball pivot are separately fixed in the locating hole of middle terminal pad (2) and bottom surface rotating ring (3), the upper fulcrum of folding stand (6) and middle terminal pad (2) below hinged, lower fulcrum and bottom surface disk (7) hinged, the side of middle terminal pad (2) is provided with link (5), centre is provided with sawtooth locating slot (4), one end of support (8) and the bottom surface of lower disc (9) hinged, the other end coordinates with sawtooth locating slot (4), the periphery of lower disc (9) is provided with four guide rails (10), its extended line crosses center of circle square crossing, crank (12) one end and the top rotary table (13) of slider-crank mechanism are hinged, slide block (14) on the other end and guide rail (10) is hinged, and support panel (15) is fixed on slide block (14), middle part and the link (5) of crossbeam (16) are hinged, and the free end near two guide rails (10) of crossbeam (16) is each passed through the two ends of crossbeam (16), bottom surface rotating ring (3) and top rotary table (13) are equipped with a set of lever self-locking mechanism.
2. a kind of plate face according to claim 1 Extensible portable drawing frame, it is characterized in that: the button (17) of described lever self-locking mechanism is hinged by back shaft (21) and button base (20), and button (17) one end is provided with spring (18) and the other end is provided with alignment pin (19).
3. a kind of plate face according to claim 2 Extensible portable drawing frame, is characterized in that: described alignment pin (19) coordinates with the locating hole (22) are provided with in the locating hole (23) of lower disc (9) and bottom surface disk (7) ring week respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420394780.8U CN204120496U (en) | 2014-07-17 | 2014-07-17 | A kind of plate face Extensible portable drawing frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420394780.8U CN204120496U (en) | 2014-07-17 | 2014-07-17 | A kind of plate face Extensible portable drawing frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204120496U true CN204120496U (en) | 2015-01-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420394780.8U Expired - Fee Related CN204120496U (en) | 2014-07-17 | 2014-07-17 | A kind of plate face Extensible portable drawing frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204120496U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104127036A (en) * | 2014-07-17 | 2014-11-05 | 西南交通大学 | Portable drawing frame with telescopic board and lifting connecting rods |
| CN108168524A (en) * | 2017-12-13 | 2018-06-15 | 中国科学院长春光学精密机械与物理研究所 | The gravity unloading device of optical sensor |
| CN109124811A (en) * | 2018-09-28 | 2019-01-04 | 遵义医学院附属医院 | A kind of medical experiment rat fixed station |
-
2014
- 2014-07-17 CN CN201420394780.8U patent/CN204120496U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104127036A (en) * | 2014-07-17 | 2014-11-05 | 西南交通大学 | Portable drawing frame with telescopic board and lifting connecting rods |
| CN108168524A (en) * | 2017-12-13 | 2018-06-15 | 中国科学院长春光学精密机械与物理研究所 | The gravity unloading device of optical sensor |
| CN109124811A (en) * | 2018-09-28 | 2019-01-04 | 遵义医学院附属医院 | A kind of medical experiment rat fixed station |
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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: 20150128 Termination date: 20160717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |