CN203311675U - Slide block-equipped four-rod mechanism teaching tool - Google Patents
Slide block-equipped four-rod mechanism teaching tool Download PDFInfo
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- CN203311675U CN203311675U CN2013203190704U CN201320319070U CN203311675U CN 203311675 U CN203311675 U CN 203311675U CN 2013203190704 U CN2013203190704 U CN 2013203190704U CN 201320319070 U CN201320319070 U CN 201320319070U CN 203311675 U CN203311675 U CN 203311675U
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Abstract
The utility model discloses a slide block-equipped four-rod mechanism teaching tool comprising a machine rack provided with a slide block, wherein one end of a connecting rod is connected onto the machine rack through the slide block, the other end of the connecting rod is connected with one end of a second sleeve rod, one end of a second slide rod is nested in the other end of the second sleeve rod, the other end of the second slide rod is connected with one end of a first slide rod, the other end of the first slide rod is nested in one end of a first sleeve rod, and the other end of the first sleeve rod is connected onto the machine rack. The slide block-equipped four-rod mechanism teaching tool is a teaching tool characterized in that a hinge four-rod mechanism and a slide block-equipped four-rod mechanism are combined, and a telescopic rod mode is adopted; through rod member length adjustment and slide block application, a crank and rocking rod mechanism, a double-crank mechanism, a double rocking bar mechanism, an isosceles trapezoid mechanism, a parallelogram mechanism, a crank and slide block mechanism, a double slide block mechanism and a sine mechanism can be realized without employing multiple teaching tools; economical and practical properties are realized.
Description
Technical field
The utility model belongs to the four-bar mechanism technical field, relates to a kind of instructional device of demonstrating the various main movement forms of four-bar mechanism, relates in particular to a kind of teaching aid of four-bar mechanism with slide block.
Background technology
In the study of the courses such as " mechanical principle ", " Fundamentals of Machine Design ", " analysis and synthesis of mechanism ", often can acquire four-bar mechanism; in order to allow the student better understand the various forms of motions of four-bar mechanism and the mutual relationship of each pole length; often can take a lot of teaching aids to demonstrate to classmates; as; crank and rocker mechanism, double-crank mechanism, double rocker mechanism; slider-crank mechanism, double-slider mechanism, sine mechanism.Also will measure simultaneously the length of each bar, so just make teaching process become wastes time and energy very much.
The utility model content
The purpose of this utility model is to provide a kind of teaching aid of four-bar mechanism with slide block, realized crank and rocker mechanism, double-crank mechanism, double rocker mechanism, slider-crank mechanism, double-slider mechanism, the simulation of sine mechanism, and can easily read size from rod member, improved efficiency of teaching.
The utility model is to be achieved through the following technical solutions:
A kind of teaching aid of four-bar mechanism with slide block, comprise the frame with slide block, one end of connecting rod is connected on frame by slide block, the other end of described connecting rod is connected with an end of the second loop bar, one end of the second slide bar is nested in the other end of the second loop bar, the other end of the second slide bar is connected with an end of the first slide bar, and the other end of the first slide bar is nested in an end of the first loop bar, in the other end connection and frame of the first loop bar.
On described the first loop bar, the first slide bar, the second slide bar and the second loop bar, be provided with scale.
Described the first slide bar suit is fixed in the first loop bar and forms expansion link, and the second slide bar suit is fixed in the second loop bar and forms expansion link.
The link of described connecting rod and the second loop bar is provided with a disk, described disk is provided with some equal and opposite in directions and take the hole of one of them hole as center of circle distribution, connecting rod and the second loop bar are bolted into a fixing rod member, and adjust angle between the two by holes different on the connecting rod that the second loop bar is connected to.
On described frame, offer the chute slided for slide block.
The first slide bar and the second slide bar are fixed, made between the first loop bar and the first slide bar and the second slide bar does not have relative movement with the second loop bar; By slide block fixing with frame on, make not relatively move between slide block and frame; The relative position of regulating between the first slide bar and the first loop bar and the second slide bar and the second loop bar is realized crank and rocker mechanism, double-crank mechanism, double rocker mechanism, isosceles trapezoid mechanism, parallel-crank mechanism.
Slide block is unclamped, make between slide block and frame to have relative slip, the second loop bar and connecting rod are fixed, regulate the relative position between the first slide bar and the first loop bar and the second slide bar and the second loop bar and fix, form the motion of slider-crank mechanism.
Frame and the first loop bar and the second loop bar and connecting rod are fixed, slide block is unclamped, slide block can be slided with respect to frame, the second slide bar and the second loop bar are fixed, make can relatively move between the first loop bar and the first slide bar, form the motion of double-slider mechanism.
Slide block is fixed on frame, makes the first slide bar and the second slide bar relative sliding between the first loop bar, the second loop bar respectively, frame and the first loop bar are fixing to be fixed the first slide bar and the second slide bar as frame, forms the motion of sine mechanism.
Compared with prior art, the utlity model has following useful technique effect:
The utility model is by being loaded on the first jack rod sleeve in the first loop bar, and the second jack rod sleeve is loaded in the second loop bar, and on frame, be provided with slide block, by regulating the first slide bar, be inserted into the length of the first loop bar and regulate that the second slide bar is inserted into length in the second loop bar and the application of slide block can realize crank and rocker mechanism, double-crank mechanism, double rocker mechanism, isosceles trapezoid mechanism, parallel-crank mechanism, slider-crank mechanism, double-slider mechanism, sine mechanism, so just can with many cover teaching aids, not realize teaching, make teaching process become light, and this teaching aid is economical and practical.
Further, by the first loop bar, the first slide bar, the second slide bar and the second loop bar, being provided with scale, while using like this, just need not measure the length of each bar, improve efficiency of teaching.
The accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present utility model;
Fig. 2 is crank and rocker mechanism schematic diagram of the present utility model;
Fig. 3 is double-crank mechanism schematic diagram of the present utility model;
Fig. 4 is double rocker mechanism schematic diagram of the present utility model;
Fig. 5 is isosceles trapezoid structural scheme of mechanism of the present utility model;
Fig. 6 is parallel-crank mechanism schematic diagram of the present utility model;
Fig. 7 is slider-crank mechanism schematic diagram of the present utility model;
Fig. 8 is double-slider mechanism schematic diagram of the present utility model;
Fig. 9 is sine mechanism schematic diagram of the present utility model;
Figure 10 is the schematic diagram of the scale between 2 bars and 3 bars;
Figure 11 is the schematic diagram of the scale between 4 bars and 5 bars;
Figure 12 is the schematic diagram of expansion link fixedly the time.
Wherein: 1 is chute; 2 is the first loop bar; 3 is the first slide bar; 4 is the second slide bar; 5 is the second loop bar; 6 is bolt; 7 is connecting rod; 8 is slide block; 9 is frame.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Referring to Fig. 1 to Figure 11, a kind of teaching aid of four-bar mechanism with slide block, comprise the frame 9 with slide block 8, one end of connecting rod 7 is connected on frame 9 by slide block 8, the other end of described connecting rod 7 is provided with a disk, described disk is provided with some equal and opposite in directions and take the hole of one of them hole as center of circle distribution, the other end of connecting rod 7 is connected with an end of establishing graduated the second loop bar 5 by bolt 6, and adjust angle between the two by different hole on the connecting rod 7 that the second loop bar 5 is connected to, if an end of graduated the second slide bar 4 is nested in the other end of the second loop bar 5, form expansion link, the other end of the second slide bar 4 is connected with an end of establishing graduated the first slide bar 3, and the other end of the first slide bar 3 is nested in an end of establishing graduated the first loop bar 2, forms expansion link, in the other end connection and frame 9 of the first loop bar 2.Wherein, on described frame 9, offer the chute 1 slided for slide block.Lead to slide block is housed on frame, can slide block be fixed by bolt when not needing slide block movement, in the position of slide block, only have like this a revolute pair.
Referring to Figure 12, concrete, at the first slide bar 3 with above the second slide bar 4, threaded hole is arranged, the fixedly employing bolt of the expansion link of the first slide bar 3 and the second slide bar 4 and the first loop bar 2 and 5 compositions of the second loop bar is fixed, when fixing the first slide bar 3 and the second slide bar 4, needs can turn the bolt of threaded hole the inside, along with turning of bolt, the downside of the first loop bar 2 and the second loop bar 5 is pushed up in the bottom of bolt, the first slide bar 3 and 4 of the second slide bars push up respectively the first loop bar 2 and the second loop bar 5 upsides, so just can fix the first slide bar 3 and the first loop bar 2 or the second loop bar 5 and the second slide bar 4.On frame 9, with slide block 8, be threaded hole above slide block 8.Bolt and threaded hole coordinate, and bolt moves to the bottom of sliding tray 1, adds the pressure of the opposite side of slide block to 1 bar, so just the fixing position of slide block.
By the bolt tightening on the first slide bar 3, the second slide bar 4, make between the first loop bar 2 and the first slide bar 3 and the second slide bar 4 does not have relative movement with the second loop bar 5; By the bolt tightening on slide block 8, make slide block 8 fixing with frame 9 on, slide block 8 and frame 9 are not relatively moved.The bar elongate member met according to each forms of motion of mechanism is regulated the relative position of 5 of the first slide bar 3 and the first loop bar 2 and the second slide bar 4 and the second loop bars to realize crank and rocker mechanism, double-crank mechanism as shown in Figure 2,, double rocker mechanism as shown in Figure 3,, as shown in Figure 4, isosceles trapezoid mechanism, as shown in Figure 5, parallel-crank mechanism, as shown in Figure 6.
Bolt on slide block 8 is unscrewed, make slide block 8 can and frame 9 between relative slip is arranged, the second loop bar 5 and connecting rod 7 is fixing by two bolts 6, by the bolt tightening on the first slide bar 3, the second slide bar 4, regulate the relative position of 5 of the first slide bar 3 and the first loop bar 2 and the second slide bar 4 and the second loop bars and fix, make length between rod member meet the requirement of slider-crank mechanism, as shown in Figure 7, motion that so just can the analogue crank slide block mechanism.
Make slide block there is no relative sliding with respect to frame 9 bolt tightening on slide block 8, bolt on the first slide bar 3 and the second slide bar 4 is unscrewed and made them can be respectively at the first loop bar 2,5 relative slidings of the second loop bar, the first slide bar 3 and the second slide bar 4 are fixed by two bolts, frame 9 and the first loop bar 2 are fixing as frame by two bolts, as shown in Figure 9, so just can realize the motion of sine mechanism.
Disk is arranged on connecting rod, and above some equal and opposite in directions are arranged and take the hole that one of them hole distributes as the center of circle, can be bolted into a fixing rod member with the second loop bar like this, and the angle connected can be adjusted.
The utility model is for by four-bar linkage and the teaching aid that combines with the four-bar mechanism of slide block, adopt the form of expansion link, and on rod member with scale, so just can read easily the length of rod member and realize various forms of motion by the length of regulating rod member, facilitating the student to understand the principle of work of four-bar mechanism.In order to realize the forms of motion with slide block, on a bar therein, slide block is housed, when not needing slide block movement, can slide block be fixed by bolt, in the position of slide block, only have like this a revolute pair.
The utility model can be realized crank and rocker mechanism, double-crank mechanism, double rocker mechanism, isosceles trapezoid mechanism, parallel-crank mechanism, slider-crank mechanism, double-slider mechanism by the application of regulating rod member length and slide block, sine mechanism, so just can in practicality, not overlap teaching aid more and realize, both economical practicality.
Claims (9)
1. teaching aid of the four-bar mechanism with slide block, it is characterized in that, comprise the frame (9) with slide block (8), one end of connecting rod (7) is connected on frame (9) by slide block (8), the other end of described connecting rod (7) is connected with an end of the second loop bar (5), one end of the second slide bar (4) is nested in the other end of the second loop bar (5), the other end of the second slide bar (4) is connected with an end of the first slide bar (3), the other end of the first slide bar (3) is nested in an end of the first loop bar (2), in the other end connection and frame (9) of the first loop bar (2).
2. according to the teaching aid of the four-bar mechanism with slide block shown in claim 1, it is characterized in that, be provided with scale on described the first loop bar (2), the first slide bar (3), the second slide bar (4) and the second loop bar (5).
3. according to the teaching aid of the four-bar mechanism with slide block shown in claim 1 or 2, it is characterized in that, described the first slide bar (3) suit is fixed in the first loop bar (2) and forms expansion link, and the second slide bar (4) suit is fixed in the second loop bar (5) and forms expansion link.
4. according to the teaching aid of the four-bar mechanism with slide block shown in claim 1, it is characterized in that, described connecting rod (7) is provided with a disk with the link of the second loop bar (5), described disk is provided with some equal and opposite in directions and take the hole of one of them hole as center of circle distribution, connecting rod (7) and the second loop bar (5) are bolted into a fixing rod member, and adjust angle between the two by the upper different hole of the connecting rod (7) that the second loop bar (5) is connected to.
5. according to the teaching aid of the four-bar mechanism with slide block shown in claim 1, it is characterized in that, on described frame (9), offer the chute (1) slided for slide block.
6. according to the teaching aid of the four-bar mechanism with slide block shown in claim 1, it is characterized in that, the first slide bar (3) and the second slide bar (4) is fixing, make between the first loop bar (2) and the first slide bar (3) and the second slide bar (4) does not have relative movement with the second loop bar (5); Slide block (8) is fixing upper with frame (9), make not relatively move between slide block (8) and frame (9); The relative position of regulating between the first slide bar (3) and the first loop bar (2) and the second slide bar (4) and the second loop bar (5) is realized crank and rocker mechanism, double-crank mechanism, double rocker mechanism, isosceles trapezoid mechanism, parallel-crank mechanism.
7. the teaching aid of the four-bar mechanism with slide block according to claim 1, it is characterized in that, slide block (8) is unclamped, making has relative slip between slide block (8) and frame (9), the second loop bar (5) and connecting rod (7) is fixing, regulate the relative position between the first slide bar (3) and the first loop bar (2) and the second slide bar (4) and the second loop bar (5) and fix, forming the motion of slider-crank mechanism.
8. the teaching aid of the four-bar mechanism with slide block according to claim 1, it is characterized in that, frame (9) and the first loop bar (2) and the second loop bar (5) and connecting rod (7) is fixing, slide block (8) is unclamped, slide block (8) can be slided with respect to frame (9), the second slide bar (4) and the second loop bar (5) is fixing, make can relatively move between the first loop bar (2) and the first slide bar (3), form the motion of double-slider mechanism.
9. the teaching aid of the four-bar mechanism with slide block according to claim 1, it is characterized in that, slide block (8) is fixed on frame (9), make the first slide bar (3) and the second slide bar (4) relative sliding between the first loop bar (2), the second loop bar (5) respectively, the first slide bar (3) and the second slide bar (4) is fixing, frame (9) and the first loop bar (2) are fixing as frame, form the motion of sine mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203190704U CN203311675U (en) | 2013-06-04 | 2013-06-04 | Slide block-equipped four-rod mechanism teaching tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203190704U CN203311675U (en) | 2013-06-04 | 2013-06-04 | Slide block-equipped four-rod mechanism teaching tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203311675U true CN203311675U (en) | 2013-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203190704U Expired - Fee Related CN203311675U (en) | 2013-06-04 | 2013-06-04 | Slide block-equipped four-rod mechanism teaching tool |
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| Country | Link |
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| CN (1) | CN203311675U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104055323A (en) * | 2014-06-30 | 2014-09-24 | 沈阳化工大学 | Multifunctional drawing desk |
| CN104134390A (en) * | 2014-07-18 | 2014-11-05 | 华南理工大学 | Theorem-of-three-centers verification platform and verification method thereof |
| CN104240581A (en) * | 2014-05-08 | 2014-12-24 | 韶关学院 | Bar mechanism teaching model |
| CN104599576A (en) * | 2014-07-05 | 2015-05-06 | 黄建明 | Four-bar mechanism teaching tool for mechanical motion principle teaching |
| CN104732859A (en) * | 2014-11-05 | 2015-06-24 | 青岛科技大学 | Novel comprehensive mechanical teaching aid |
| CN105405353A (en) * | 2015-12-26 | 2016-03-16 | 四川科技职业学院 | Crank demonstration device used for teaching |
| CN109345952A (en) * | 2018-11-06 | 2019-02-15 | 北京天树导视科技有限公司 | Board and its processing technology are guided in a kind of activity |
| CN110264851A (en) * | 2019-06-17 | 2019-09-20 | 南京航空航天大学 | A kind of experimental facilities for mechanics innovation experimental teaching |
| CN114550552A (en) * | 2022-02-28 | 2022-05-27 | 南京航空航天大学 | Reconfigurable four-bar mechanism teaching model |
-
2013
- 2013-06-04 CN CN2013203190704U patent/CN203311675U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240581A (en) * | 2014-05-08 | 2014-12-24 | 韶关学院 | Bar mechanism teaching model |
| CN104240581B (en) * | 2014-05-08 | 2016-08-17 | 韶关学院 | A kind of linkage teaching mode |
| CN104055323A (en) * | 2014-06-30 | 2014-09-24 | 沈阳化工大学 | Multifunctional drawing desk |
| CN104599576A (en) * | 2014-07-05 | 2015-05-06 | 黄建明 | Four-bar mechanism teaching tool for mechanical motion principle teaching |
| CN104599576B (en) * | 2014-07-05 | 2017-06-20 | 黄建明 | A kind of four-bar mechanism teaching aid for mechanical movement theory teaching |
| CN104134390A (en) * | 2014-07-18 | 2014-11-05 | 华南理工大学 | Theorem-of-three-centers verification platform and verification method thereof |
| CN104732859A (en) * | 2014-11-05 | 2015-06-24 | 青岛科技大学 | Novel comprehensive mechanical teaching aid |
| CN105405353A (en) * | 2015-12-26 | 2016-03-16 | 四川科技职业学院 | Crank demonstration device used for teaching |
| CN109345952A (en) * | 2018-11-06 | 2019-02-15 | 北京天树导视科技有限公司 | Board and its processing technology are guided in a kind of activity |
| CN110264851A (en) * | 2019-06-17 | 2019-09-20 | 南京航空航天大学 | A kind of experimental facilities for mechanics innovation experimental teaching |
| CN114550552A (en) * | 2022-02-28 | 2022-05-27 | 南京航空航天大学 | Reconfigurable four-bar mechanism teaching model |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20140604 |