CN201916435U - Variable force device - Google Patents
Variable force device Download PDFInfo
- Publication number
- CN201916435U CN201916435U CN2011200213989U CN201120021398U CN201916435U CN 201916435 U CN201916435 U CN 201916435U CN 2011200213989 U CN2011200213989 U CN 2011200213989U CN 201120021398 U CN201120021398 U CN 201120021398U CN 201916435 U CN201916435 U CN 201916435U
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- China
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- connecting rod
- lever
- rod
- strut
- utility
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- 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 relates to a variable force device. One end of a first connecting rod (2) is connected with a motor (1), the other end of the first connecting rod (2) is connected with a lever (3), the other end of the lever (3) is connected with a second connecting rod (4), a fulcrum point (7) of the lever (3) is close to a connection position of the lever (3) with the second connecting rod (4), the other end of the second connecting rod (4) is connected with a supporting rod (5), the upper end of the supporting rod (5) is connected with a box, the lower end of the supporting rod (5) is connected with a third connecting rod (6), the second connecting rod (4), the supporting rod (5) and the third connecting rod (6) are connected with each other at a point, the other end of the third connecting rod (6) is connected with a load (8), the length of the second connecting rod (4) is equal to that of the supporting rod (5) so as to form two side edges of an isosceles triangle, all connections are movable connections by the aid of bearings, so that force transmitted to the load from the third connecting rod (6) is larger than force inputted to the first connecting rod (2), and the rotation speed of the load (8) is equal to that of the motor (1), thereby realizing the effect of increasing force.
Description
Technical field
The utility model relates to a kind of variable force device, and particularly a kind of step-up system belongs to the mechanical transmission field.
Background technique
The booster that the patent No. 02241886.5 is protected comprises a plurality of bent axles, bearing shell, roller, and complex structure is loaded down with trivial details, makes the booster manufacture cost increase, and the rotating speed of output is slack-off, and overall performance is restricted.
The model utility content
The booster structure was loaded down with trivial details before the utility model had solved, and manufacture cost height, rotating speed slow down, the problem that overall performance is limited.
The utility model comprises connecting rod, lever, strut, bearing, head rod 2 one ends connect with motor 1, the other end connects with lever 3, lever 3 the other ends connect with second connecting rod 4, the fulcrum 7 of lever 3 is in the position of the interface of the close lever 3 and second connecting rod 4, the other end of second connecting rod 4 connects with strut 5, strut 5 upper ends connect with casing, the lower end connects with the 3rd connecting rod 6, second connecting rod 4, being connected in a bit of strut 5 and the 3rd connecting rod 6, the 3rd connecting rod 6 the other ends connect load 8, head rod 2, lever 3, second connecting rod 4 constitutes tetragonal three limits, and lever 3 is the top, second connecting rod 4 and strut 5 equal in length, form two waists of an isoceles triangle shape, all connections are movable the connection, connect with bearing.
The fulcrum 7 of lever 3 is 3/4 of lever 3 total lengths apart from the length between the interface of head rod 2 and lever 3.
Driven by motor head rod 2 moves up and down, head rod 2 drives lever 3 and swings up and down around its fulcrum 7, because the fulcrum 7 of lever 3 is 3/4 of lever 3 total lengths apart from the length between the interface of head rod 2 and lever 3, therefore, feasible power increase of passing to second connecting rod 4 by lever 3, lever 3 drives 4 motions of second connecting rod, because second connecting rod 4, being connected in a little of strut 5 and the 3rd connecting rod 6, therefore, second connecting rod 4 drives strut 5 and the 3rd connecting rod 6 is round dot with strut 5 with the casing interface, with strut 5 length is that radius is done circular motion, the 3rd connecting rod 6 drives load operation, thereby the force rate that makes the 3rd connecting rod 6 pass to load is input to the power of head rod 2 becomes big, plays the effect of reinforcement.The distance of the interface of second connecting rod 4, strut 5 and the 3rd connecting rod 6 motion equates with the distance of head rod 2 motions, so it is 8 consistent with the rotating speed of motor 1 to load.
Because the utility model only contains connecting rod, lever and strut, all connections all connect with bearing, throw except various member, make structure simplify member and reduce, and therefore make manufacture cost of the present utility model reduce; Because mechanism simplifying makes the loss of energy reduce, reinforcement effect is obvious, and rotating speed is constant again.
Description of drawings
Fig. 1 is the structural representation of a kind of variable force device of the utility model.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the utility model, and be not used in qualification the utility model.
With reference to Fig. 1, a kind of variable force device of the utility model is connected in motor car engine.Head rod 2 one ends connect with motor, the other end connects with lever 3, lever 3 the other ends connect with second connecting rod 4, the fulcrum 7 of lever 3 is in the position of the interface of the close lever 3 and second connecting rod 4, the other end of second connecting rod 4 connects with strut 5, strut 5 upper ends connect with casing, the lower end connects with the 3rd connecting rod 6, second connecting rod 4, being connected in a bit of strut 5 and the 3rd connecting rod 6, the 3rd connecting rod 6 the other ends connect the automobile power transmission device, 2 motions of driven by motor head rod, and then drive lever 3 swings up and down around its fulcrum 7, drive second connecting rod 4 again, strut 5 and 6 motions of the 3rd connecting rod, the 3rd connecting rod 6 connects the automobile power transmission device, thereby realizes the power of motor output is increased and the constant effect of rotating speed.
It should be noted that at last: the above only is preferred embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, it still can be made amendment to the technological scheme that aforementioned each embodiment put down in writing, and perhaps part technical characteristics wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (2)
1. variable force device, it is characterized in that: head rod (2) one ends connect with motor (1), the other end connects with lever (3), lever (3) the other end connects with second connecting rod (4), the fulcrum (7) of lever (3) is in the position of close lever (3) with the interface of second connecting rod (4), the other end of second connecting rod (4) connects with strut (5), strut (5) upper end connects with casing, the lower end connects with the 3rd connecting rod (6), second connecting rod (4), being connected in a bit of strut (5) and the 3rd connecting rod (6), the 3rd connecting rod (6) the other end connects load (8), head rod (2), lever (3), second connecting rod (4) constitutes tetragonal three limits, lever (3) is the top, second connecting rod (4) and strut (5) equal in length, form two waists of an isoceles triangle shape, all connections are movable the connection, connect with bearing.
2. variable force device according to claim 1 is characterized in that: the fulcrum (7) of lever (3) is 3/4 of lever (a 3) total length apart from the length between the interface of head rod (2) and lever (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200213989U CN201916435U (en) | 2011-01-24 | 2011-01-24 | Variable force device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200213989U CN201916435U (en) | 2011-01-24 | 2011-01-24 | Variable force device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201916435U true CN201916435U (en) | 2011-08-03 |
Family
ID=44416232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200213989U Expired - Fee Related CN201916435U (en) | 2011-01-24 | 2011-01-24 | Variable force device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201916435U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909875A (en) * | 2012-10-26 | 2013-02-06 | 苏州农业职业技术学院 | Press machine based on ball screw and hinged rod force amplifier |
| CN108361339A (en) * | 2018-04-18 | 2018-08-03 | 李明钢 | A kind of force changer |
| CN108591391A (en) * | 2018-04-24 | 2018-09-28 | 麦巨和 | A kind of rod gear |
-
2011
- 2011-01-24 CN CN2011200213989U patent/CN201916435U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909875A (en) * | 2012-10-26 | 2013-02-06 | 苏州农业职业技术学院 | Press machine based on ball screw and hinged rod force amplifier |
| CN108361339A (en) * | 2018-04-18 | 2018-08-03 | 李明钢 | A kind of force changer |
| CN108591391A (en) * | 2018-04-24 | 2018-09-28 | 麦巨和 | A kind of rod gear |
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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: 20110803 Termination date: 20170124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |