CN201973192U - Stroke amplifying mechanism - Google Patents
Stroke amplifying mechanism Download PDFInfo
- Publication number
- CN201973192U CN201973192U CN2011200980410U CN201120098041U CN201973192U CN 201973192 U CN201973192 U CN 201973192U CN 2011200980410 U CN2011200980410 U CN 2011200980410U CN 201120098041 U CN201120098041 U CN 201120098041U CN 201973192 U CN201973192 U CN 201973192U
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- CN
- China
- Prior art keywords
- enlarger
- stroke
- driving source
- parallelogram
- positioning plate
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Abstract
The utility model relates to a stroke amplifying mechanism which comprises a driving source and is characterized in that the driving source is installed on a positioning plate; the positioning plate is provided with a shaft hole for an output end of the driving source to pass through; the stroke amplifying mechanism comprises a parallelogram amplifying mechanism and an angle amplifying mechanism; the parallelogram amplifying mechanism is a telescopic bracket formed by a plurality of hinged parallelograms; a first hinge point is arranged at one end of the telescopic bracket; the first hinge point is connected with the output end of the driving source through a first pin block; a second hinge point is arranged at the other end of the telescopic bracket; the angle amplifying mechanism comprises two connecting rods; the connecting rods are positioned at one side of the first hinge point of the expansion bracket and are symmetrically arranged; and one end of each connecting rod is articulated to the corresponding side of the parallelogram of the first hinge point and the other end is articulated to one side of the shaft hole of the positioning plate. In the stroke amplifying mechanism, two stroke amplifying mechanisms are compounded, the structure is simple, the installation is easy, a great stroke distance can be amplified so as to realize an ideal magnification, and better stroke amplifying effect is obtained.
Description
Technical field
The utility model relates to a kind of stroke enlarger.
Background technique
In mechanical transmission, the output terminal of a lot of power equipments can only obtain the displacement of limited distance, as screw-nut body, pinion and rack etc., because output terminal displacement distance is too small, often can't satisfy the needs of the long-distance displacement of machinery.In order to obtain bigger movement travel, all need obtain desirable moving displacement usually at the output terminal connection or the installation stroke enlarger of power equipment.
Traditional stroke enlarger mostly is the stroke enlarger of single multiplying power, amplify stroke mechanism, double-cam amplification stroke mechanism, skewed slot ram travel enlarger, conjugate cam connecting rod amplification stroke mechanism or the like as many bars, these stroke enlarger certain structures complexity, and Amplification factor is low; Some stroke Amplification factor is fixed, and can't obtain desirable Amplification factor.For under prerequisite simple in structure, easy for installation, can obtain big as far as possible stroke amplification effect, await existing stroke enlarger is further improved.
The model utility content
Technical problem to be solved in the utility model is to provide a kind of simple in structure and can obtain the stroke enlarger of desirable Amplification factor at above-mentioned prior art present situation.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: a kind of stroke enlarger, include driving source, the input end of described stroke enlarger links to each other with the output terminal of this driving source, it is characterized in that: described driving source is installed on the positioning plate, offer an axis hole that wears for the output terminal of described driving source on this positioning plate, described stroke enlarger includes parallelogram enlarger and angle enlarger, wherein, described parallelogram enlarger is the expansion bracket that a plurality of hinged parallelogram are linked to be, one end of this expansion bracket has first articulating point as described stroke enlarger input end, this first articulating point links to each other by the output terminal of first pin block and described driving source, and the other end of this expansion bracket has second articulating point as described stroke enlarger output terminal;
Described angle enlarger includes two connecting rods, described connecting rod is positioned at first articulating point, one side of described expansion bracket and is symmetrical arranged, one end of each described connecting rod is hinged on the parallelogram respective side edge that forms described first articulating point, and the other end of each described connecting rod is hinged on axis hole one side of described positioning plate.
As preferably, described driving source includes:
Leading screw is bolted with a nut on this leading screw, this leading screw supporting also radially is limited in described positioning plate, and the flexible track of this leading screw and described parallelogram enlarger parallels; And
Motor drives described nut rotation, and this motor is fixedly set in described positioning plate.
In order to send the power of motor to leading screw, as preferably, on the output shaft of described motor drive pulley is installed, the outer circumferential face of described nut is provided with driven pulley, and a belt tension is set on described drive pulley and the described nut.
In order to control the straight line motion distance of stroke enlarger, can control the stall of motor automatically effectively, as further preferred, the afterbody of described leading screw also is provided with restraining groove, and described leading screw is other to be provided with to match with described restraining groove and to merge the sensitive switch that can control described motor stall.
Compared with prior art, advantage of the present utility model is: the utility model has adopted parallelogram enlarger and two kinds of stroke enlargers of angle enlarger, the composite structure of these two kinds of stroke enlargers is simple, installation is easy, can obtain the amplification of bigger stroke distances, thereby the Amplification factor of realizing ideal has obtained stroke amplification effect preferably.
Description of drawings
Fig. 1 is one of the utility model embodiment's structural representation (enlarger struts).
Fig. 2 is two (enlarger gatherings) of the utility model embodiment's structural representation.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As Fig. 1～shown in Figure 2, structural representation for the stroke structure for amplifying of present embodiment, the trip enlarger includes driving source, parallelogram enlarger and angle enlarger, wherein, driving source can adopt various actuating unit of the prior art, as gear rack transmission system, crank block transmission system etc., present embodiment is preferentially selected feed screw nut transmission system simple in structure for use.
The driving source of present embodiment is installed on the positioning plate 7, offers an axis hole on the positioning plate 7, and driving source includes:
Leading screw 4 is bolted with a nut 41 on this leading screw 4, this leading screw 4 is located in the axis hole of positioning plate 7, and radially is limited on this positioning plate 7, and the flexible track of this leading screw 4 and parallelogram enlarger parallels; And
The afterbody of leading screw 4 also is provided with restraining groove, and leading screw 4 is other to be provided with to match with restraining groove and to merge the sensitive switch 44 that can control the motor stall.
First stroke enlarger that present embodiment adopted is the parallelogram enlarger, this parallelogram enlarger is the expansion bracket 6 that a plurality of hinged parallelogram are linked to be, one end of this expansion bracket 6 has first articulating point 61 as described stroke enlarger input end, this first articulating point 61 links to each other by the output terminal of first pin block 611 and described driving source, and the other end of this expansion bracket 6 has second articulating point 62 as described stroke enlarger output terminal;
Second stroke enlarger parallactic angle enlarger that present embodiment adopted, this angle enlarger includes two connecting rods 65, two connecting rods 65 are symmetricly set on first articulating point, 61 both sides of expansion bracket 6, one end of each connecting rod 65 is hinged on the parallelogram respective side edge that forms first articulating point 61, the other end of each connecting rod 65 is hinged on the positioning plate 7, and the other end of two connecting rods 65 is arranged at the axis hole both sides of positioning plate 7 respectively symmetrically.
Present embodiment carries out parallelogram enlarger and angle enlarger compound, forms a kind of new stroke enlarger, and the trip enlarger can obtain desirable Amplification factor, obtains better stroke amplification effect.
The working procedure of the stroke enlarger of present embodiment is:
Claims (4)
1. stroke enlarger, include driving source, the input end of described stroke enlarger links to each other with the output terminal of this driving source, it is characterized in that: described driving source is installed on the positioning plate, offer an axis hole that wears for the output terminal of described driving source on this positioning plate, described stroke enlarger includes parallelogram enlarger and angle enlarger, wherein, described parallelogram enlarger is the expansion bracket (6) that a plurality of hinged parallelogram are linked to be, one end of this expansion bracket (6) has first articulating point (61) as described stroke enlarger input end, this first articulating point (61) links to each other by the output terminal of first pin block (611) and described driving source, and the other end of this expansion bracket (6) has second articulating point (62) as described stroke enlarger output terminal;
Described angle enlarger includes two connecting rods (65), two described connecting rods (65) are arranged at first articulating point (61) both sides of described expansion bracket (6) respectively symmetrically, one end of each described connecting rod (65) is hinged on the parallelogram respective side edge that forms described first articulating point (61), and the other end of each described connecting rod (65) is hinged on axis hole one side of described positioning plate.
2. stroke enlarger according to claim 1 is characterized in that: described driving source includes:
Leading screw (4) is bolted with a nut (41) on this leading screw (4), this leading screw (4) supporting also radially is limited in described positioning plate, and the flexible track of this leading screw (4) and described parallelogram enlarger parallels; And
Motor (5) drives described nut (41) rotation, and this motor (5) is fixedly set in described positioning plate.
3. stroke enlarger according to claim 2, it is characterized in that: on the output shaft of described motor (5) drive pulley is installed, the outer circumferential face of described nut (41) is provided with driven pulley, and a belt (51) tensioning is set on described drive pulley and the described nut (41).
4. according to claim 2 or 3 described stroke enlargers, it is characterized in that: the afterbody of described leading screw (4) also is provided with restraining groove, and described leading screw (4) is other to be provided with to match with described restraining groove and to merge the sensitive switch (44) that can control described motor stall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200980410U CN201973192U (en) | 2011-03-30 | 2011-03-30 | Stroke amplifying mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200980410U CN201973192U (en) | 2011-03-30 | 2011-03-30 | Stroke amplifying mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201973192U true CN201973192U (en) | 2011-09-14 |
Family
ID=44578295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200980410U Expired - Fee Related CN201973192U (en) | 2011-03-30 | 2011-03-30 | Stroke amplifying mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201973192U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333042A (en) * | 2017-12-07 | 2018-07-27 | 上海航天精密机械研究所 | A kind of spiral big stroke tensile loading device |
| CN112196636A (en) * | 2020-09-29 | 2021-01-08 | 中国航发动力股份有限公司 | Engine deflation mechanism assembling method based on tightening ejection tool and tightening ejection tool |
| CN114130611A (en) * | 2021-12-03 | 2022-03-04 | 浙江理工大学 | Dual piezoelectric injection dispensing valve based on four-bar amplification mechanism and adhesive injection method thereof |
| CN117646527A (en) * | 2024-01-30 | 2024-03-05 | 中恒华美建筑工程集团有限公司 | Lighting energy-saving device for building engineering house building |
-
2011
- 2011-03-30 CN CN2011200980410U patent/CN201973192U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333042A (en) * | 2017-12-07 | 2018-07-27 | 上海航天精密机械研究所 | A kind of spiral big stroke tensile loading device |
| CN112196636A (en) * | 2020-09-29 | 2021-01-08 | 中国航发动力股份有限公司 | Engine deflation mechanism assembling method based on tightening ejection tool and tightening ejection tool |
| CN112196636B (en) * | 2020-09-29 | 2021-06-08 | 中国航发动力股份有限公司 | Engine deflation mechanism assembling method based on tightening ejection tool and tightening ejection tool |
| CN114130611A (en) * | 2021-12-03 | 2022-03-04 | 浙江理工大学 | Dual piezoelectric injection dispensing valve based on four-bar amplification mechanism and adhesive injection method thereof |
| CN117646527A (en) * | 2024-01-30 | 2024-03-05 | 中恒华美建筑工程集团有限公司 | Lighting energy-saving device for building engineering house building |
| CN117646527B (en) * | 2024-01-30 | 2024-03-29 | 中恒华美建筑工程集团有限公司 | Lighting energy-saving device for building engineering house building |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20170330 |