CN204474274U - Foot-operated lever draws high device - Google Patents
Foot-operated lever draws high device Download PDFInfo
- Publication number
- CN204474274U CN204474274U CN201520023325.1U CN201520023325U CN204474274U CN 204474274 U CN204474274 U CN 204474274U CN 201520023325 U CN201520023325 U CN 201520023325U CN 204474274 U CN204474274 U CN 204474274U
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- Prior art keywords
- lever
- foot
- draws high
- operated
- draws
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Abstract
The utility model provides a kind of foot-operated lever and draws high device, belongs to hoisting tool field, comprises stretcher, rod gear and draws high part.Rod gear comprises the first lever, the second lever and bearing, and the first lever is connected by the first lever seat with bearing, and the second lever is connected by the second lever seat with bearing.The lower surface of stretcher is provided with power rail, power rail is flexibly connected with the drive end of the first lever, the driven end of the first lever is flexibly connected with the drive end of the second lever, and the driven end of the second lever contacts with the upper surface of drawing high part, draws high on part and is provided with retracing spring.The foot-operated lever that the utility model provides draws high device and have employed the foot-operated mode of startup and the load transfer device of double lever, adds the stroke drawn high, and field of application is more extensive, makes to draw high operation more laborsaving convenient.
Description
Technical field
The utility model relates to hoisting tool field, draws high device in particular to the foot-operated lever of one.
Background technology
Drawing high device is a kind of instrument article being increased to another height from a certain height.Existingly drawing high device, such as pumped well, be generally manually draw high, and the stroke drawn high is shorter, is of limited application, and draws high and compares effort.
Utility model content
The utility model provides a kind of foot-operated lever and draws high device, is intended to improve existingly draw high device to draw high stroke shorter, is of limited application, draws high the problem comparing effort.
The utility model is achieved in that
A kind of foot-operated lever draws high device, comprises stretcher, rod gear and draws high part;
Described rod gear comprises the first lever, the second lever and bearing, and described first lever is connected by the first lever seat with described bearing, and described second lever is connected by the second lever seat with described bearing;
The lower surface of described stretcher is provided with power rail, described power rail is flexibly connected with the drive end of described first lever, the driven end of described first lever is flexibly connected with the drive end of described second lever, the driven end of described second lever contacts with described upper surface of drawing high part, described in draw high on part and be provided with retracing spring.
Further, draw high part described in comprise and draw high bar and fixed mount;
Describedly draw high bar and described fixed mount sliding block joint, the driven end of described second lever contacts with described upper surface of drawing high bar, described in draw high bar lower end be provided with operation element;
One end of described retracing spring is connected with described fixed mount, and the other end is connected with the described bar that draws high.
Bar and described fixed mount is drawn high described in arranging, draw high bar described in enabling to stretch at described fixed mount, described operation element is used for loaded with articles, when backhaul, draw high bar described in described retracing spring pulls to reset, described in draw high bar and draw high article by described operation element.By arranging described fixed mount, described in preventing, drawing high the lateral excursion of bar, described in ensure that, drawing high the accuracy of the up-and-down movement of bar, be conducive to drawing high article.
Further, described operation element is hook.Described hook article of can slinging well draw high, and are applicable to drawing high of Liftable article, increase field of application.
Further, described operation element is pallet.Described pallet can hold up article well and draw high, and is applicable to drawing high of the article placed only, increases field of application.
Further, described in draw high bar lower end be provided with boss, described retracing spring is connected with described boss away from one end of described fixed mount.By arranging described boss, making described retracing spring described in pulling described boss to pull, draw high bar upward movement when resetting, further ensure that the accuracy drawing high bar upward movement described in backhaul.
Further, described retracing spring is two, is arranged at the both sides of described boss respectively.By arranging two described retracing springs, and be arranged at the both sides of described boss respectively, ensure that the balance of described boss, make described boss more steady when the move under influence of described retracing spring, and then it is more accurate to draw high bar up-and-down movement described in making, avoid lateral excursion occurs.
Further, the driven end of described second lever is provided with circular force transmission element, and the driven end of described second lever draws high bar described in described force transmission element promotion.
If draw high bar described in the driven end of described second lever directly promotes, described second lever is tilt to the described application force drawing high bar, there is horizontal component, draw high bar described in making and produce lateral excursion, by arranging described force transmission element, when the driven end of described second lever is promoted downwards, draw high bar described in described force transmission element promotes, because described force transmission element is circular, when drawing high bar described in described force transmission element promotes, the direction of its application force be along described in draw high the axis of bar downward, draw high bar described in can not making and produce lateral excursion, the accuracy of bar up-and-down movement is drawn high described in ensure that.
Further, the driven end of described first lever is provided with groove, and the drive end of described second lever embeds in described groove.
By arranging described groove, the drive end of described second lever being slided in described groove, decreases the loss of application force in transmission, and make power transmission more smooth and easy.
Further, also working panel is comprised;
Described stretcher is obliquely installed, wherein one end of described stretcher and working panel hinged, lower surface and the described power rail of the other end are hinged, and described power rail is through described working panel.
By arranging described working panel, and by described stretcher and described working panel hinged, be convenient to the operation that user carries out with pin trampling.
Further, described first lever seat and described second lever seat are triangle lever seat.By described first lever seat and described second lever seat are all adopted triangle lever seat, structure is more firm, and it is more firm to support.
The utility model provides a kind of foot-operated lever and draws high device, draws high article by arranging stretcher, rod gear and drawing high part to realize.Rod gear comprises the first lever, the second lever and bearing, and the first lever is connected by the first lever seat with bearing, and the second lever is connected by the second lever seat with bearing.The lower surface of stretcher is provided with power rail, power rail is flexibly connected with the drive end of the first lever, the driven end of the first lever is flexibly connected with the drive end of the second lever, and the driven end of the second lever contacts with the upper surface of drawing high part, draws high on part and is provided with retracing spring.
When using this foot-operated lever to draw high device, first stretcher is stepped on, stretcher makes the drive end of the first lever move downward by power rail, first lever with the first lever seat for balance pivot, the driven end upward movement of the first lever, and the drive end upward movement driving the second lever, the second lever with the second lever seat for balance pivot, second lever moves downward, and drives and draw high part and move downward.With drawing high part loaded with articles, then unclamping stretcher, under the effect of retracing spring, drawing high part upward movement, and drive the driven end of the second lever upwards to reset, thus the first lever, power rail and stretcher are resetted.Thus achieve the object drawing high article.
The beneficial effect that the foot-operated lever that the utility model provides draws high device is: have employed the foot-operated mode of startup and the load transfer device of double lever, add the stroke drawn high, and field of application is more extensive, makes to draw high operation more laborsaving convenient.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 draws high the structural representation of device for foot-operated lever that the utility model embodiment 1 provides;
Fig. 2 draws high the perspective view of device for foot-operated lever that the utility model embodiment 2 provides;
What Fig. 3 drew high device for foot-operated lever that the utility model embodiment 2 provides faces structural representation;
Fig. 4 draws high the side-looking constructional drawing of device for foot-operated lever that the utility model embodiment 2 provides;
Fig. 5 draws high the structural representation of the first lever of device for foot-operated lever that the utility model embodiment 2 provides.
Reference numeral gathers:
Stretcher 101; Bearing 102; Power rail 103; Retracing spring 104;
Draw high part 201; Draw high bar 202; Fixed mount 203; Hook 204; Boss 205;
First lever 301; Second lever 302; First lever seat 303; Second lever seat 304; Force transmission element 305; Groove 306;
Working panel 401.
Detailed description of the invention
Contriver of the present utility model finds under study for action, existingly draws high device, such as pumped well, be generally manually draw high, and the stroke drawn high is shorter, is of limited application, and draws high and compares effort.
Given this, of the present utility modelly inventor has devised a kind of foot-operated lever and draw high device, have employed the foot-operated mode of startup and the load transfer device of double lever, when unclamping stretcher 101, retracing spring 104 drives and draws high part 201, realizes the object drawing high article, adds the stroke drawn high, field of application is more extensive, makes to draw high operation more laborsaving convenient.
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
Fig. 1 draws high the structural representation of device for foot-operated lever that the utility model embodiment 1 provides; Refer to Fig. 1, the utility model example 1 provides a kind of foot-operated lever and draws high device, and this foot-operated lever draws high device and comprises stretcher 101, rod gear and draw high part 201.
Rod gear comprises the first lever 301, second lever 302 and bearing 102, needs bearing 102 to fix when in use, such as, is fixed on metope or support.First lever 301 is connected by the first lever seat 303 with bearing 102, and the second lever 302 is connected by the second lever seat 304 with bearing 102.
The lower surface of stretcher 101 is provided with power rail 103, power rail 103 is flexibly connected with the drive end of the first lever 301, the driven end of the first lever 301 is flexibly connected with the drive end of the second lever 302, the driven end of the second lever 302 contacts with the upper surface of drawing high part 201, draws high on part 201 and is provided with retracing spring 104.
When using this foot-operated lever to draw high device, first stretcher 101 is stepped on, stretcher 101 makes the drive end of the first lever 301 move downward by power rail 103, first lever 301 with the first lever seat 303 for balance pivot, the driven end upward movement of the first lever 301, and the drive end upward movement driving the second lever 302, the second lever 302 with the second lever seat 304 for balance pivot, the driven end of the second lever 302 moves downward, and drives and draw high part 201 and move downward.With drawing high part 201 loaded with articles, then unclamping stretcher 101, under the effect of retracing spring 104, drawing high part 201 upward movement, and drive the driven end of the second lever 302 upwards to reset, thus the first lever 301, power rail 103 and stretcher 101 are resetted.Thus achieve the object drawing high article.
The foot-operated lever that the utility model provides draws high device and have employed the foot-operated mode of startup and the load transfer device of double lever, adds the stroke drawn high, and field of application is more extensive, makes to draw high operation more laborsaving convenient.
Embodiment 2
The utility model embodiment 2 provides a kind of foot-operated lever and draws high device, this foot-operated lever draws high all technical characteristic that foot-operated lever that device comprises embodiment 1 and provide draws high device, and the foot-operated lever that embodiment 2 provides draws high device also comprises following technical characteristic:
Fig. 2 draws high the perspective view of device for foot-operated lever that the utility model embodiment 2 provides; What Fig. 3 drew high device for foot-operated lever that the utility model embodiment 2 provides faces structural representation; Fig. 4 draws high the side-looking constructional drawing of device for foot-operated lever that the utility model embodiment 2 provides; Refer to Fig. 2 ~ Fig. 4, draw high part 201 and comprise and draw high bar 202 and fixed mount 203.Fixed mount 203 need be fixed during use, in the present embodiment, fixed mount 203 is fixed on bearing 102, also can be fixed on other parts.Draw high bar 202 and fixed mount 203 sliding block joint, such as, fixed mount 203 is arranged porose, the diameter in this hole is greater than the diameter drawing high bar, draws high bar 202 through the hole on fixed mount 202.The driven end of the second lever 302 contacts with the upper surface of drawing high bar 202, and the lower end of drawing high bar 202 is provided with operation element.One end of retracing spring 104 is connected with fixed mount 203, the other end with draw high bar 202 and be connected.
Draw high bar 202 and fixed mount 203 by arranging, making to draw high bar 202 can stretch at fixed mount 203, and operation element is used for loaded with articles, and when backhaul, retracing spring 104 pulls and draws high bar 202 and reset, and draws high bar 202 and draws high article by operation element.By arranging fixed mount 203, preventing the lateral excursion drawing high bar 202, ensure that the accuracy of the up-and-down movement drawing high bar 202, being conducive to drawing high article.
Refer to Fig. 2 ~ Fig. 4, as preferably, in the present embodiment, operation element is hook 204.Hook 204 article of can slinging well draw high, and are applicable to drawing high of Liftable article, increase field of application.
Certainly, operation element is not limited to hook 204, can also be pallet.Pallet can hold up article well and draw high, and when article are not suitable for slinging, can be positioned in pallet and draw high, and increases the field of application that foot-operated lever draws high device.
Refer to Fig. 2 ~ Fig. 4, the lower end of drawing high bar 202 is provided with boss 205, and retracing spring 104 is connected with boss 205 away from one end of fixed mount 203.As preferably, boss 205 is square, and its surrounding size is all greater than the diameter drawing high bar 202, so that retracing spring 104 is connected on boss 205.
By arranging boss 205, making retracing spring 104 draw high bar 202 upward movement when resetting by pulling boss 205 to pull, further ensure that in backhaul the accuracy drawing high bar 202 upward movement.
Refer to Fig. 4, retracing spring 104 is two, is arranged at the both sides of boss 205 respectively.By arranging two retracing springs 104, and be arranged at the both sides of boss 205 respectively, ensure that the balance of boss 205, make boss 205 more steady when the move under influence of retracing spring 104, and then it is more accurate to make to draw high bar 202 up-and-down movement, avoids lateral excursion occurs.
Refer to Fig. 2 and Fig. 3, the driven end that the driven end of the second lever 302 is provided with circular force transmission element 305, second lever 302 promotes to draw high bar 202 by force transmission element 305.Circular force transmission element 305 can be the driven end being fixedly connected on the second lever 302, also can be flexibly connected with the driven end of the second lever 302, and namely circular force transmission element 305 is rotatable.
If the driven end of the second lever 302 directly promotes to draw high bar 202, second lever 302 is tilt to the application force drawing high bar 202, there is horizontal component, can make to draw high bar 202 and produce lateral excursion, by arranging force transmission element 305, when the driven end of the second lever 302 is promoted downwards, promoted to draw high bar 202 by force transmission element 305, because force transmission element 305 is circular, when force transmission element 305 promotes to draw high bar 202, the direction of its application force is downward along the axis drawing high bar 202, can not make to draw high bar 202 and produce lateral excursion, ensure that the accuracy drawing high bar 202 up-and-down movement.
Fig. 5 draws high the structural representation of the first lever 301 of device for foot-operated lever that the utility model embodiment 2 provides; Refer to Fig. 2 and Fig. 5, the driven end of the first lever 301 is provided with groove 306, and the drive end of the second lever 302 embeds in groove 306.By arranging groove 306, the drive end of the second lever 302 being slided in groove 306, decreases the loss of application force in transmission, and make power transmission more smooth and easy.
Refer to Fig. 2 ~ Fig. 3, this foot-operated lever draws high device and also comprises working panel 401.Stretcher 101 is obliquely installed, and wherein one end and the working panel 401 of stretcher 101 are hinged, and lower surface and the power rail 103 of the other end are hinged, and power rail 103 is through working panel 401.
Should be appreciated that working panel 401 is a kind of flat board of general reference, can be floor, and also can draw high panel on support that device carries by this foot-operated lever, its effect is fixing feet pedal 101, does not therefore do concrete restriction.
By arranging working panel 401, and by hinged to stretcher 101 and working panel 401, be convenient to the operation that user carries out with pin trampling.
Preferred as the present embodiment, stretcher 101 and working panel 401 are hinged, and certain stretcher 101 is not limited to hinged with the connection mode of working panel 401, such as, can also be sliding block joint, stretcher 101 can overall slippage downwards on working panel 401.As long as therefore user steps on stretcher 101 power rail 103 can be driven to move down, thus drive the first lever 301.
Refer to Fig. 2 ~ Fig. 4, the first lever seat 303 and the second lever seat 304 are triangle lever seat.By the first lever seat 303 and the second lever seat 304 are all adopted triangle lever seat, structure is more firm, and it is more firm to support.
Refer to Fig. 2 ~ Fig. 5, when using this foot-operated lever to draw high device, first stretcher 101 is stepped on, stretcher 101 makes the drive end of the first lever 301 move downward by power rail 103, first lever 301 with the first lever seat 303 for balance pivot, the driven end upward movement of the first lever 301, and drive the drive end upward movement of the second lever 302, second lever 302 with the second lever seat 304 for balance pivot, the driven end of the second lever 302 moves downward, and drives and draw high part 201 and move downward.With drawing high part 201 loaded with articles, then unclamping stretcher 101, under the effect of retracing spring 104, drawing high part 201 upward movement, and drive the driven end of the second lever 302 upwards to reset, thus the first lever 301, power rail 103 and stretcher 101 are resetted.Thus achieve the object drawing high article.
The foot-operated lever that the utility model provides draws high device and have employed the foot-operated mode of startup and the load transfer device of double lever, adds the stroke drawn high, and field of application is more extensive, makes to draw high operation more laborsaving convenient.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to define further it and explain in accompanying drawing subsequently.
In description of the present utility model, it should be noted that, term " " center ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, or this utility model product orientation of usually putting or position relationship when using, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. only for distinguishing description, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, also it should be noted that, unless otherwise clearly defined and limited, term " setting ", " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, particular case the concrete meaning of above-mentioned term in the utility model can be understood.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. foot-operated lever draws high a device, it is characterized in that, comprises stretcher, rod gear and draws high part;
Described rod gear comprises the first lever, the second lever and bearing, and described first lever is connected by the first lever seat with described bearing, and described second lever is connected by the second lever seat with described bearing;
The lower surface of described stretcher is provided with power rail, described power rail is flexibly connected with the drive end of described first lever, the driven end of described first lever is flexibly connected with the drive end of described second lever, the driven end of described second lever contacts with described upper surface of drawing high part, described in draw high on part and be provided with retracing spring.
2. foot-operated lever according to claim 1 draws high device, it is characterized in that, described in draw high part and comprise and draw high bar and fixed mount;
Describedly draw high bar and described fixed mount sliding block joint, the driven end of described second lever contacts with described upper surface of drawing high bar, described in draw high bar lower end be provided with operation element;
One end of described retracing spring is connected with described fixed mount, and the other end is connected with the described bar that draws high.
3. foot-operated lever according to claim 2 draws high device, it is characterized in that, described operation element is hook.
4. foot-operated lever according to claim 2 draws high device, it is characterized in that, described operation element is pallet.
5. foot-operated lever according to claim 2 draws high device, it is characterized in that, described in draw high bar lower end be provided with boss, described retracing spring is connected with described boss away from one end of described fixed mount.
6. foot-operated lever according to claim 5 draws high device, it is characterized in that, described retracing spring is two, is arranged at the both sides of described boss respectively.
7. foot-operated lever according to claim 2 draws high device, it is characterized in that, the driven end of described second lever is provided with circular force transmission element, and the driven end of described second lever draws high bar described in described force transmission element promotion.
8. foot-operated lever according to claim 1 draws high device, it is characterized in that, the driven end of described first lever is provided with groove, and the drive end of described second lever embeds in described groove.
9. foot-operated lever according to claim 1 draws high device, it is characterized in that, also comprises working panel;
Described stretcher is obliquely installed, wherein one end of described stretcher and working panel hinged, lower surface and the described power rail of the other end are hinged, and described power rail is through described working panel.
10. foot-operated lever according to claim 1 draws high device, it is characterized in that, described first lever seat and described second lever seat are triangle lever seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520023325.1U CN204474274U (en) | 2015-01-13 | 2015-01-13 | Foot-operated lever draws high device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520023325.1U CN204474274U (en) | 2015-01-13 | 2015-01-13 | Foot-operated lever draws high device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204474274U true CN204474274U (en) | 2015-07-15 |
Family
ID=53630077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520023325.1U Withdrawn - After Issue CN204474274U (en) | 2015-01-13 | 2015-01-13 | Foot-operated lever draws high device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204474274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555846A (en) * | 2015-01-13 | 2015-04-29 | 李甲琦 | Pedal type lever lifting device |
-
2015
- 2015-01-13 CN CN201520023325.1U patent/CN204474274U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555846A (en) * | 2015-01-13 | 2015-04-29 | 李甲琦 | Pedal type lever lifting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150715 Effective date of abandoning: 20180209 |