CN209063994U - A kind of electric treadle - Google Patents
A kind of electric treadle Download PDFInfo
- Publication number
- CN209063994U CN209063994U CN201821891552.6U CN201821891552U CN209063994U CN 209063994 U CN209063994 U CN 209063994U CN 201821891552 U CN201821891552 U CN 201821891552U CN 209063994 U CN209063994 U CN 209063994U
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- CN
- China
- Prior art keywords
- connecting rod
- shaft
- shaft sleeve
- bearing
- support link
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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.)
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Abstract
The utility model discloses a kind of electric treadles, including constituting four-bar linkage and motor and pallet body by fixed connecting rod, drive connecting rod, support link and follower link, the drive connecting rod and follower link pass through rotating mechanism respectively and are rotatably connected in fixed connecting rod and support link, the rotating mechanism includes shaft, bearing, elastic shaft sleeve, the drive connecting rod and follower link are rotatablely connected by bearing with corresponding shaft, it is arranged in each shaft there are two the elastic shaft sleeve, two elastic shaft sleeves are symmetrical arranged and are located at the open end of installation through-hole.By the way that elastic shaft sleeve is arranged, dust can be reduced and silt is attached directly to influence bearing normal operation on bearing, and elastic shaft sleeve can limit drive connecting rod or follower link slides axially, and generates noise to avoid colliding.
Description
Technical field
The utility model relates to auto parts field, in particular to a kind of electric treadle.
Background technique
With the development of automobile industry, the vehicle of SUV is more and more welcomed by the people, but due to the bottom plate of SUV vehicle ratio
Higher, the crowd handicapped to old man, child etc., which gets on or off the bus, causes certain difficulty, in numerous SUV vehicles, generally passes through
Electric treadle is installed, makes passenger have one comfortably to step on height well, and the overall beautiful coordination of vehicle can be kept.
But the problem after sale of existing electric treadle is mainly since the revolute pair middle (center) bearing of electric treadle enters dust
Or silt leads to bearing wear, stuck, so as to cause electric treadle stretch failure and noise the case where generation.
As it can be seen that the prior art could be improved and improve.
Utility model content
Place in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of electric treadles, it is intended to
The case where improving the anti-dust performance of revolute pair on electric treadle, reducing the flexible failure of electric treadle and noise occurs.
In order to achieve the above object, the utility model takes following technical scheme:
A kind of electric treadle, including fixed connecting rod, drive connecting rod, follower link, support link, motor and setting are being propped up
Pallet body on supporting rod, which is characterized in that the fixed connecting rod, drive connecting rod, support link and follower link constitute flat
Face four-bar mechanism, the motor is for driving the relatively fixed connecting rod swing of drive connecting rod, and the lower end of the drive connecting rod is by turning
Motivation structure is rotatably connected in support link, and the upper and lower ends of the follower link are distinguished rotationally by rotating mechanism
It is connected in fixed connecting rod and support link, the upper end of the drive connecting rod is hinged with fixed connecting rod, the rotating mechanism packet
Include the shaft for being fixed at fixed connecting rod or support link, bearing, elastic shaft sleeve, the side of the drive connecting rod and support link
Be provided with installation through-hole on wall, be provided with bearing in the installation through-hole, the drive connecting rod and follower link by bearing with
Corresponding shaft is rotatablely connected, and is arranged in each shaft there are two the elastic shaft sleeve, two elastic shaft sleeves are symmetrical arranged and are located at
The open end of installation through-hole.
Preferably, the elastic shaft sleeve includes Upper shaft sleeve portion and Lower shaft sleeve portion, and the outer diameter in Upper shaft sleeve portion is less than Lower shaft sleeve portion
Outer diameter, multiple elastic circular rings are arranged in interval in the Upper shaft sleeve portion, form dust storage groove between two neighboring elastic circular ring.
Preferably, the bearing is engineering plastic bearing.
Preferably, the first groove is provided on the fixed connecting rod, the first groove connects with one end spline of corresponding shaft
It connects, the other end of the shaft is threadedly coupled with fixed connecting rod.
Preferably, the second groove is provided in the support link, the second groove connects with one end spline of corresponding shaft
It connects, the other end of the shaft is threadedly coupled with support link.
Preferably, one end of the shaft is provided with involute spline, the other end is provided with threaded hole.
The utility model has the advantages that
The utility model provides a kind of electric treadle, compared with prior art, by the way that elastic shaft sleeve is arranged, can reduce ash
Dirt and silt are attached directly to influence bearing normal operation on bearing, and elastic shaft sleeve can limit drive connecting rod or driven company
Bar slides axially, and generates noise to avoid colliding；By the way that engineering plastic bearing is arranged, prevent electric treadle in flexible fortune
Noise occurs when dynamic, has the characteristics that good corrosion-resistant and anti-embroidery, can be improved the service life of revolute pair, reduces electric treadle
The case where flexible failure and noise, occurs.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of electric treadle provided by the utility model.
Fig. 2 is the right view of electric treadle provided by the utility model.
Fig. 3 is the structural schematic diagram of elastic shaft sleeve in electric treadle provided by the utility model.
Fig. 4 is the structural schematic diagram of shaft in electric treadle provided by the utility model.
Specific embodiment
The utility model provides a kind of electric treadle, to keep the purpose of this utility model, technical solution and effect more clear
Chu defines, and the utility model is further described as follows in conjunction with drawings and embodiments.It should be appreciated that described herein
Specific embodiment only explaining the utility model, be not used to limit the utility model.
Please refer to Fig. 1-Fig. 4, the utility model provides a kind of electric treadle, including fixed connecting rod 1, drive connecting rod 2, driven
Connecting rod 3, support link 4, motor 5 and the pallet body 6 being arranged in support link, the fixed connecting rod 1, drive connecting rod 2,
Support link 4 and follower link 3 constitute four-bar linkage, and the motor 5 is for driving the relatively fixed connecting rod 1 of drive connecting rod 2
It swings, the lower end of the drive connecting rod 2 is rotatably connected in support link 4 by rotating mechanism 7, the follower link 3
Upper and lower ends be rotatably connected in fixed connecting rod 1 and support link 4 respectively by rotating mechanism 7, the drive connecting rod 2
Upper end be hinged with fixed connecting rod 1, the rotating mechanism 7 includes the shaft for being fixed at fixed connecting rod or support link
71, installation through-hole 74, the installation are provided on the side wall of bearing 72, elastic shaft sleeve 73, the drive connecting rod and support link
It is provided with bearing 72, the drive connecting rod 2 and follower link 3 in through-hole 74 and is rotated by bearing 72 with corresponding shaft 71 and connects
It connects, is arranged in each shaft 71 there are two the elastic shaft sleeve 73, two elastic shaft sleeves are symmetrical arranged and are located at opening for installation through-hole
Mouth end.By setting elastic shaft sleeve 73, dust can be reduced or silt enters influence bearing normal operation in installation through-hole, and
And elastic shaft sleeve can limit drive connecting rod or follower link slides axially, and generates noise to avoid colliding.
Specifically, the elastic shaft sleeve 73 includes Upper shaft sleeve portion 731 and Lower shaft sleeve portion 732, the outer diameter in Upper shaft sleeve portion 731 is small
Outer diameter in Lower shaft sleeve portion 732, multiple elastic circular rings 733, two neighboring elastic circular ring is arranged in interval in the Upper shaft sleeve portion 731
Between formed dust storage groove 734；The Upper shaft sleeve portion 731 is arranged in installation through-hole.It is most by the way that dust storage groove 734 is arranged
Dust or silt are stored in dust storage groove, are reduced the influence of dust or silt to bearing, are further increased the dust tightness of revolute pair
Energy.
Further, the bearing 72 is engineering plastic bearing, and engineering plastic bearing is in operation without any noise, tool
There is certain shock sucking function, prevents electric treadle from noise occurs in stretching motion；And engineering plastic bearing will not give birth to
Rust and corrosion resistant feature, can be further reduced the influence that dust understands it, improve the service life of revolute pair, guarantee electronic step on
The flexible smoothness of plate.It is light compared to metal bearing that there are also plastic bearings, can lower the overall weight of electric treadle.Herein
Engineering plastic bearing is preferably PI plastic bearing.
Preferably, one end of the shaft 72 is provided with involute spline 75, the other end is provided with threaded hole 75.
Be provided with the first groove on the fixed connecting rod, the first groove is connected with one end spline of corresponding shaft, the shaft it is another
End is threadedly coupled with fixed connecting rod.The second groove, one end of the second groove and corresponding shaft are provided in the support link
Spline connection, the other end of the shaft are threadedly coupled with support link.Herein, fixed connecting rod or support link by screw 77 with
Threaded hole connection, fixed form are simple, reliable.Preferably, it is provided with gasket 76 between screw and fixed connecting rod, increases and pre-tightens
Power.By the way that involute spline 75 is arranged, bearing capacity is strong, is easy to self-centering, installation accuracy is high, convenient for disassembly and assembly.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement all should belong to appended by the utility model
Scope of protection of the claims.
Claims (6)
1. a kind of electric treadle, including fixed connecting rod, drive connecting rod, follower link, support link, motor and setting are being propped up
Pallet body on supporting rod, which is characterized in that the fixed connecting rod, drive connecting rod, support link and follower link constitute flat
Face four-bar mechanism, the motor is for driving the relatively fixed connecting rod swing of drive connecting rod, and the lower end of the drive connecting rod is by turning
Motivation structure is rotatably connected in support link, and the upper and lower ends of the follower link are distinguished rotationally by rotating mechanism
It is connected in fixed connecting rod and support link, the upper end of the drive connecting rod is hinged with fixed connecting rod, the rotating mechanism packet
Include the shaft for being fixed at fixed connecting rod or support link, bearing, elastic shaft sleeve, the side of the drive connecting rod and support link
Be provided with installation through-hole on wall, be provided with bearing in the installation through-hole, the drive connecting rod and follower link by bearing with
Corresponding shaft is rotatablely connected, and is arranged in each shaft there are two the elastic shaft sleeve, two elastic shaft sleeves are symmetrical arranged and are located at
The open end of installation through-hole.
2. electric treadle according to claim 1, which is characterized in that the elastic shaft sleeve includes Upper shaft sleeve portion and Lower shaft sleeve
Portion, the outer diameter in Upper shaft sleeve portion are less than the outer diameter in Lower shaft sleeve portion, setting multiple elastic circular rings in interval in the Upper shaft sleeve portion, and adjacent two
Dust storage groove is formed between a elastic circular ring.
3. electric treadle according to claim 1, which is characterized in that the bearing is engineering plastic bearing.
4. electric treadle according to claim 1, which is characterized in that the first groove is provided on the fixed connecting rod, the
One groove is connected with one end spline of corresponding shaft, and the other end of the shaft is threadedly coupled with fixed connecting rod.
5. electric treadle according to claim 1, which is characterized in that the second groove is provided in the support link, the
Two grooves are connected with one end spline of corresponding shaft, and the other end of the shaft is threadedly coupled with support link.
6. electric treadle according to claim 4 or 5, which is characterized in that one end of the shaft is provided with involute flower
Key, the other end are provided with threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821891552.6U CN209063994U (en) | 2018-11-16 | 2018-11-16 | A kind of electric treadle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821891552.6U CN209063994U (en) | 2018-11-16 | 2018-11-16 | A kind of electric treadle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209063994U true CN209063994U (en) | 2019-07-05 |
Family
ID=67099411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821891552.6U Active CN209063994U (en) | 2018-11-16 | 2018-11-16 | A kind of electric treadle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209063994U (en) |
-
2018
- 2018-11-16 CN CN201821891552.6U patent/CN209063994U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |