CN114906274A - Geometric multiplication large force two-dimensional multistage double-connecting-rod lever ground-pedaling tricycle - Google Patents

Geometric multiplication large force two-dimensional multistage double-connecting-rod lever ground-pedaling tricycle Download PDF

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Publication number
CN114906274A
CN114906274A CN202210578912.1A CN202210578912A CN114906274A CN 114906274 A CN114906274 A CN 114906274A CN 202210578912 A CN202210578912 A CN 202210578912A CN 114906274 A CN114906274 A CN 114906274A
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China
Prior art keywords
rod
double
transmission
ground
crank
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Withdrawn
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CN202210578912.1A
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Chinese (zh)
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梅斌
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Individual
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Individual
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Priority to CN202210578912.1A priority Critical patent/CN114906274A/en
Publication of CN114906274A publication Critical patent/CN114906274A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M15/00—Transmissions characterised by use of crank shafts and coupling rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
    • B62K5/02—Tricycles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M1/00—Rider propulsion of wheeled vehicles
    • B62M1/24—Rider propulsion of wheeled vehicles with reciprocating levers, e.g. foot levers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

A group of geometrically multiplied powerful two-dimensional multistage double-connecting-rod levers is arranged below a support, the multistage can be 2, 3, 4, 5 or more stages, the last stage of lever is connected with a transmission cross rod, and the transmission cross rod is fixedly connected with a left push rod and a right push rod. When the pedal is pedaled by a foot to drive the transmission crank and the ground pedaling wheel to pedal the ground backward, the ground pedaling wheel obtains a forward and upward thrust, the thrust is transmitted to the double connecting rods, the rear bracket and the transmission crank through the left and right transmission cranks, the two-dimensional multistage double connecting rod is driven to move forwards and upward by the geometric multiplication large force, the transmission cross rod and the left push rod are driven, and the front bracket is pushed to move the bicycle forwards. The invention achieves the effect of large force by geometrically multiplying the large force through the two-dimensional multistage double-connecting-rod lever. The double-connecting-rod longitudinal and transverse two-dimensional arrangement fully utilizes space. The invention has the advantages that: the structure is firm and the strength is large.

Description

Geometric multiplication large force two-dimensional multistage double-connecting-rod lever ground-pedaling tricycle
Technical Field
The invention relates to the field of bicycle structures, in particular to a two-dimensional multistage double-connecting-rod lever-type ground-pedaling tricycle capable of multiplying force geometrically.
Technical Field
The traditional bicycle is small in force, and the purpose of large force can be achieved only by using a two-dimensional multistage double-connecting-rod lever for large force multiplication in a geometric mode and not increasing the body posture length when a power arm is added.
Disclosure of Invention
The invention provides a two-dimensional multistage double-connecting-rod lever ground-pedaling tricycle with geometric multiplication of large force, which aims to realize rapidness and large force, wherein the multistage is 2, 3, 4, 5 or more stages; the multilevel levers are transversely and longitudinally arranged in a two-dimensional manner to fully utilize a three-dimensional space; each level of lever main body comprises a double connecting rod, and two adjacent connecting rods in each double connecting rod are arranged in parallel; the shape and the size of each double connecting rod are consistent, and the distance is consistent. The (n + 1) th-level lever main body is arranged on the left side of the (n) th-level lever main body, and the (n + 1) th-level lever main body is connected with the (n) th-level lever main body through the crank-shaped piece; from right to left, the rightmost end is the first level lever main part. The lower ends of the double connecting rods of the first-stage lever main body are connected with the short cross rod through a pin shaft. The short transverse rod is fixedly connected with the transmission turning rod. The transmission crank rod is fixedly connected with the rear frame. The cross rods at the upper and lower ends of the crank-shaped piece are parallel to the bracket; each crutch-shaped piece has the same shape and size. The support, the crutch-shaped piece, the short cross rod and the transmission cross rod are connected with each level of double connecting rods through pin shafts. The left part of the transmission cross rod is fixedly connected with a left push rod and a right push rod. The left and right pedals are fixedly connected with a left crank and a right crank. The left crank, the right crank, the left transmission turning rod and the right transmission turning rod are connected with the left connecting rod and the right connecting rod through countersunk spindles. The left and right double connecting rods are connected with the rear frame through a countersunk rotating shaft. The two ends of the countersunk head rotating shaft sink to the lower part surface to enable the surface to be flat, so that the left and right double connecting rods, the left and right transmission turning rods and the left and right cranks can rotate. The left crank fixed connection left side preceding countersunk head pivot, the preceding connecting rod of the left pair of connecting rods of left side preceding countersunk head pivot fixed connection, preceding countersunk head pivot in the preceding connecting rod fixed connection of left pair of connecting rods, the preceding connecting rod of the right pair of connecting rods of preceding countersunk head pivot fixed connection right side preceding countersunk head pivot of the preceding connecting rod fixed connection of right pair of connecting rods, right crank of countersunk head pivot fixed connection right side before the right side. The tail ends of the left and right transmission turning rods are fixedly connected with left and right ground treading wheels. The distance from the inflection point of the left and right transmission turning rods to the bottom ends of the left and right ground treading wheels is equal to the distance from the front end of the front frame to the vertical line of the horizontal ground. The front frame is fixedly connected with the bracket.
When the bicycle is running, external force acts on the left crank and the right crank through the left pedal and the right pedal, the force is transmitted to the left and the right transmission crank rods through the left and the right transmission crank rods, then transmitted to the left and the right ground pedaling wheels through the left and the right transmission crank rods, the left and the right ground pedaling wheels obtain forward upward thrust when the left and the right ground pedaling wheels pedal towards the backward lower direction, the thrust acts on the left and the right transmission crank rods, then transmitted to the left and the right double connecting rods through the left and the right transmission crank rods, then transmitted to the rear frame through the left and the right double connecting rods, transmitted to the transmission crank rods through the rear frame, transmitted to the first level lever main body double connecting rods through the transmission crank rods, transmitted to the first level lever main body double connecting rods through the first level lever main body double connecting rods according to the lever ratio, transmitted to the second level lever main body double connecting rods through the second level lever main body double connecting rods according to the lever ratio, transmitted to the third level lever main body double connecting rods through the second level lever main body double connecting rods according to the lever ratio, and transmitted to the third level double connecting rods through the third level lever main body double connecting rods, the first lever main body double connecting rod is connected with the second lever main body double connecting rod through a first lever main body double connecting rod, the second lever main body double connecting rod is connected with the fourth lever main body double connecting rod through a second lever main body double connecting rod, and the third lever main body double connecting rod is connected with the fourth lever main body double connecting rod through a third lever.
When the two-dimensional multistage double-connecting-rod parallel support moves leftwards and backwards by geometric multiplication of large force, the transmission cross rod and the right push rod are driven to push the front frame to move leftwards and backwards; when the two-dimensional multistage double-connecting-rod parallel support moves towards the right front side by geometric multiplication of large force, the transmission cross rod and the left push rod are driven to push the front frame to move towards the right front side.
When the foot is used for treading, the two-dimensional multistage double-connecting-rod parallel support with large geometric multiplication force can be driven to move. When the foot is stepped on to the lowest point, the other foot is replaced and the reciprocating motion is performed to move forward.
The traditional bicycle has small strength. The geometric multiplication of large force of the two-dimensional multistage double-connecting-rod lever is geometric multiplication. The invention has the advantages that:
the two-dimensional multistage double-connecting-rod lever ground-pedaling tricycle with the geometric multiplication of large force is durable in structure and large in force.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and embodiments.
FIG. 1 is a schematic structural view of a geometrical multiplication large force two-dimensional five-level double-connecting-rod lever ground-pedaling tricycle;
FIG. 2 is a schematic diagram of a transmission mechanism of a geometric-multiplication large-force two-dimensional five-stage double-connecting-rod lever-type ground-pedaling tricycle;
FIG. 3 is a schematic structural view of a two-dimensional four-stage two-link lever-type three-wheeled bicycle with geometric multiplication of large force.
Detailed Description
Example one
The embodiment provides a geometry multiplication energetically two-dimensional five-level double-connecting-rod lever ground-pedaling tricycle which is characterized in that: the geometry multiplication large force two-dimensional five-stage double-connecting-rod lever ground pedaling tricycle comprises a front wheel 1, a handle 2, a rear frame 3, a right pedal 4, a left pedal 5, a right crank 6, a left crank 7, a right double-connecting rod 8, a left double-connecting rod 9, a right transmission connecting rod 10, a left transmission connecting rod 11, a saddle 12, a right ground pedaling wheel 13, a left ground pedaling wheel 14, a front frame 15, a first-stage lever main body double-connecting rod 16, a first connecting piece 17, a second-stage lever main body double-connecting rod 18, a second connecting piece 19, a third-stage lever main body double-connecting rod 20, a third connecting piece 21, a fourth-stage lever main body double-connecting rod 22, a fourth connecting piece 23, a fifth-stage lever main body double-connecting rod 24, a transmission cross rod 25, a left push rod 26, a right push rod 27, a transmission rod 28, a short cross rod 29, a support 30, a plurality of pin shafts and a countersunk rotating shaft. The lower end of the first-stage lever main body double connecting rod 16 is connected with a short cross rod 29 through a pin shaft. The short cross bar 29 is fixedly connected with the transmission crank lever 28. The transmission crank rod 28 is fixedly connected with the rear frame 3. The transverse rods at the upper and lower ends of the crank- shaped pieces 17, 19, 21 and 23 are parallel to the bracket 30. The bracket 30, the crank members 17, 19, 21 and 23, the short cross bar 29 and the transmission cross bar 25 are connected with each stage of double connecting rods through pin shafts. The left part of the transmission cross bar 25 is fixedly connected with left and right push rods 26 and 27. The left and right pedals 5 and 4 are fixedly connected with left and right cranks 7 and 6. The left and right cranks 7 and 6, the left and right transmission turning bars 11 and 10 are connected with the left and right double connecting rods 9 and 8 through countersunk rotating shafts. The left and right double connecting rods 9 and 8 are connected with the rear frame 3 through a countersunk rotating shaft. The two ends of the countersunk head rotating shaft sink to the lower part of the surface of the component to flatten the surface, thereby enabling the left and right double connecting rods 9 and 8, the left and right transmission turning rods 11 and 10 and the left and right cranks 7 and 6 to rotate. The left crank 7 fixed connection left side preceding countersunk head pivot, the preceding connecting rod of the left pair of connecting rods 9 of left side preceding countersunk head pivot fixed connection, preceding countersunk head pivot in the preceding connecting rod fixed connection of left pair of connecting rods 9, the preceding connecting rod of the right pair of connecting rods 8 of preceding countersunk head pivot fixed connection before well, the right pair of connecting rod fixed connection right side preceding countersunk head pivot of right pair of connecting rods 8, right crank 6 of countersunk head pivot fixed connection before the right side. The tail ends of the left and right transmission crank rods 11 and 10 are fixedly connected with left and right ground treading wheels 14 and 13. The distance from the inflection point of the left and right transmission turning bars 11 and 10 to the bottom ends of the left and right ground treading wheels 14 and 13 is equal to the distance from the front end of the front frame 15 to the vertical line of the horizontal ground. The front frame 15 is fixedly connected with a bracket 30. When the bicycle runs, external force acts on the left crank 7 and the right crank 6 through the left pedal 5 and the right pedal 4, the force is transmitted to the left transmission crank rod 11 and the right transmission crank rod 10 through the left crank 7 and the right crank 7, the force is transmitted to the left and the right ground pedaling wheels 14 and 13 through the left and the right transmission crank rods 11 and 10, when the left and the right ground pedaling wheels 14 and 13 pedal the ground backwards and downwards, the left and the right ground pedaling wheels 14 and 13 obtain a forward and upward thrust force, the thrust force acts on the left and the right transmission crank rods 11 and 10, the thrust force is transmitted to the left and the right double connecting rods 9 and 8 through the left and the right transmission crank rods 11 and 10, the thrust force is transmitted to the rear frame 3 through the left and the right double connecting rods 9 and 8, the thrust force is transmitted to the transmission crank rod 28 through the transmission crank rod 28, the transmission crank rod 28 is transmitted to the first level lever main body double connecting rod 16, the first lever main body double connecting rod 16 is transmitted to the first crank 17 according to the lever ratio, the first crank part 17 is transmitted to the second crank part 18 through the second lever main body double connecting rod 18, then the signal is transmitted to a third-level lever main body double connecting rod 20 through a second crank-shaped part 19, then is transmitted to a third crank-shaped part 21 through the third-level lever main body double connecting rod 20 according to the lever ratio, then is transmitted to a fourth-level lever main body double connecting rod 22 through the third crank-shaped part 21, then is transmitted to a fourth crank-shaped part 23 through the fourth-level lever main body double connecting rod 22 according to the lever ratio, then is transmitted to a fifth-level lever main body double connecting rod 24 through the fourth-level lever main body double connecting rod 24 according to the lever ratio, and then is transmitted to a transmission cross rod 25 and a left push rod 26 through the fifth-level lever main body double connecting rod 24 according to the lever ratio, so that the left push rod 26 is driven by geometric multiplication of external force, and then the front frame 15 is pushed to move front of the vehicle.
When the two-dimensional five-stage double-connecting-rod parallel support moves leftwards and backwards by geometric multiplication of large force, the transmission cross rod and the right push rod are driven to push the front frame to move leftwards and backwards; when the two-dimensional five-stage double-connecting-rod parallel support moves towards the right front side by geometric multiplication of large force, the transmission cross rod and the left push rod are driven to push the front frame to move towards the right front side.
When the foot is used for stepping on the pedal, the two-dimensional five-stage double-connecting-rod parallel support with multiplied geometric force can be driven to move. When the foot is stepped on to the lowest point, the other foot is replaced and the reciprocating motion is performed to move forward.
The traditional bicycle has small strength. The geometric multiplication large force two-dimensional five-stage double-connecting-rod lever is geometric multiplication large force.
The transmission rod drives, and the structure is firm.
Example two
The geometrically multiplied large-force two-dimensional five-stage double-link lever pedaling-to-ground tricycle of the first embodiment can be reduced to a geometrically multiplied large-force two-dimensional four-stage double-link lever pedaling-to-ground tricycle, as shown in fig. 3, and the structure, the function and the principle of the geometrically multiplied large-force two-stage four-stage double-link lever pedaling-to-ground tricycle are similar to those of the first embodiment.

Claims (1)

1. The utility model provides a geometry multiplication energetically multistage two-dimensional two-link lever tricycle of pedaling to ground, characterized by: the front frame is fixedly connected with the bracket.
CN202210578912.1A 2022-05-24 2022-05-24 Geometric multiplication large force two-dimensional multistage double-connecting-rod lever ground-pedaling tricycle Withdrawn CN114906274A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210578912.1A CN114906274A (en) 2022-05-24 2022-05-24 Geometric multiplication large force two-dimensional multistage double-connecting-rod lever ground-pedaling tricycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210578912.1A CN114906274A (en) 2022-05-24 2022-05-24 Geometric multiplication large force two-dimensional multistage double-connecting-rod lever ground-pedaling tricycle

Publications (1)

Publication Number Publication Date
CN114906274A true CN114906274A (en) 2022-08-16

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Application Number Title Priority Date Filing Date
CN202210578912.1A Withdrawn CN114906274A (en) 2022-05-24 2022-05-24 Geometric multiplication large force two-dimensional multistage double-connecting-rod lever ground-pedaling tricycle

Country Status (1)

Country Link
CN (1) CN114906274A (en)

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Application publication date: 20220816

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