CN202414046U - Safe and convenient primary-secondary RV (recreational vehicle) - Google Patents

Safe and convenient primary-secondary RV (recreational vehicle) Download PDF

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Publication number
CN202414046U
CN202414046U CN 201220041264 CN201220041264U CN202414046U CN 202414046 U CN202414046 U CN 202414046U CN 201220041264 CN201220041264 CN 201220041264 CN 201220041264 U CN201220041264 U CN 201220041264U CN 202414046 U CN202414046 U CN 202414046U
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China
Prior art keywords
fork
handle
fixed knob
front wheel
fixed
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Expired - Fee Related
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CN 201220041264
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Chinese (zh)
Inventor
张意立
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Individual
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Individual
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Priority to CN 201220041264 priority Critical patent/CN202414046U/en
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Publication of CN202414046U publication Critical patent/CN202414046U/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a safe and convenient primary-secondary RV (recreational vehicle), which comprises a left front wheel, a right front wheel, a rear wheel, a left front wheel fork, a right front wheel fork, a directional handle and a main vehicle frame. The safe and convenient primary-secondary RV has the improvements that a fixed and vertical three-hole cross beam is arranged at the front end part of the main vehicle frame; a handle shaft of the direction handle can rotate and matches a middle hole passing through the three-hole cross beam from the top down, a handle vertical operation handle is fixedly connected with the lower end, the middle points of a front pull rod and a rear pull rod are respectively located at an operation handle front fixing knob and an operation handle rear fixing knob of the handle vertical operation handle; one end of the front pull rod is fixed on a left fork front fixing knob of a left front wheel fork, and the other end of the front pull rod is fixed on a right fork front fixing knob of a right front wheel fork; one end of the rear pull rod is fixed on a left fork rear fixing knob of a left front wheel fork, and the other end of the rear pull rod is fixed on a right fork rear fixing knob of the right front wheel fork; a left fork shaft of the left front wheel fork is rotatably matched with a left side hole passing through the three-hole cross beam from the bottom top; and a right fork shaft of the right front wheel fork is rotatably matched with a right side hole passing through the three-hole cross beam from bottom top.

Description

A kind of safe and convenient mothers and sons RV recreational vehicle
Affiliated technical field
The utility model relates to a kind of vehicle, is meant a kind of safe and convenient mothers and sons RV recreational vehicle especially.
Background technology
Mother thinks that light area the baby and plays to the park or go out, and preferably hoping can be face-to-face with child, is riding unpowered pollution car leisurely, and speed freely.Though common people rode bicycle in the time of young, two-wheeled cycle exists the hidden danger of falling down being difficult to keep static balancing by bike slowly.Though known its supported at three point of traditional three-wheel vehicle is taken turns supporting & stablizing than bicycle two, its maximum deficiency is the one-sided driving of trailing wheel, receives force unbalance to cause holding the direction difficulty, and amateur people by tricycle is difficult to hold.
Summary of the invention
The purpose of the utility model provides a kind of supported at three point stability and safety property that had both had three-wheel vehicle, can accomplish again as the convenient a kind of safe and convenient mothers and sons RV recreational vehicle of driving of bicycle.
To achieve these goals; The utility model provides following technical scheme: a kind of safe and convenient mothers and sons RV recreational vehicle; Comprise the near front wheel, off front wheel, trailing wheel, chain, chain dish, seat, left front wheel fork, right front wheel fork, handle-bar and main car frame, as improvement: described main car frame leading section has three hole crossbeams of fixed vertical; The interstitial hole of three hole crossbeams is passed in the rotatable cooperation of the handle axle of described handle-bar from top to bottom; The lower end handle of fixedly ining succession is vertically controlled handle, and the mid point of front tension bar and back stay is positioned at respectively that handle is vertical controls controlling before the handle fixed knob and controlling fixed knob behind the handle of handle; One end of described front tension bar is fixed on the preceding fixed knob of left side fork of left front wheel fork, and the other end is fixed on the preceding fixed knob of right side fork of right front wheel fork; One end of described back stay is fixed on fork back, the left side fixed knob of left front wheel fork, and the other end is fixed on fork back, the right side fixed knob of right front wheel fork; The left hole that three hole crossbeams are passed in the rotatable cooperation of left fork shaft of described left front wheel fork from bottom to top; The right ports that three hole crossbeams are passed in the rotatable cooperation of right fork shaft of described right front wheel fork from bottom to top.
As further improvement: control fixed knob before the handle to controlling the distance that the distance of fixed knob behind the handle equals fork back, fixed knob to left side fixed knob before the fork of a left side, also equal the distance of fixed knob to right fork back fixed knob before the right fork; The distance of the interstitial hole of three hole crossbeams to right ports equals to control before the handle distance of fixed knob before fixed knob to the right fork, also equals to control the distance of fixed knob to right fork back fixed knob behind the handle; The distance of the interstitial hole of three hole crossbeams to left hole equals to control before the handle distance of fixed knob before the fork of fixed knob a to left side, also equals to control the distance of fork back, fixed knob to left side fixed knob behind the handle.
Principle of work:
Control fixed knob before fixed knob before the handle, the right fork, control behind the handle fixed knob and 4 of right fork back fixed knobs constitute a right parallelogram; Control fixed knob before fixed knob before the handle, the left side fork, control behind the handle fixed knob and 4 of fork back, left side fixed knobs constitute the first from left parallelogram.
The beneficial effect of the utility model is: the motherhood only need be according to the just safe operation of ability of custom by bike, and three-wheel supports and accomplished static balancing, has avoided a slow hidden danger of falling down by bike.The near front wheel and off front wheel can turn to along with handle-bar (90) synchronously, and trailing wheel drives stressed symmetry between two parties.And the valuable luggage of preposition baggage container or baby can also not be that safety is safe again along with handle-bar swings also in the sight line of navigating mate.The novel uniqueness of the utility model, easy to manufacture, application prospect is vast.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Birds-eye view when Fig. 1 is the utility model right-hand corner.
Birds-eye view when Fig. 2 is the utility model turnon left.
The specific embodiment
A kind of safe and convenient mothers and sons RV recreational vehicle; Comprise the near front wheel 11, off front wheel 12, trailing wheel 20, chain 25, chain dish 50, seat 55, left front wheel fork 40, right front wheel fork 60, handle-bar 90 and main car frame 70, as improvement: described main car frame 70 leading sections have three hole crossbeams 30 of fixed vertical; The interstitial hole of three hole crossbeams 30 is passed in the handle axle 91 rotatable cooperations of described handle-bar 90 from top to bottom; The lower end handle of fixedly ining succession is vertically controlled handle 80, and the mid point of front tension bar 32 and back stay 31 is positioned at respectively that handle is vertical controls controlling before the handle fixed knob 81 and controlling fixed knob 82 behind the handle of handle 80; One end of described front tension bar 32 is fixed on the preceding fixed knob 41 of left side fork of left front wheel fork 40, and the other end is fixed on the preceding fixed knob 61 of right side fork of right front wheel fork 60; One end of described back stay 31 is fixed on fork back, the left side fixed knob 42 of left front wheel fork 40, and the other end is fixed on fork back, the right side fixed knob 62 of right front wheel fork 60; The left hole that three hole crossbeams 30 are passed in the left fork shaft 43 rotatable cooperations of described left front wheel fork 40 from bottom to top; The right ports that three hole crossbeams 30 are passed in the right fork shaft 63 rotatable cooperations of described right front wheel fork 60 from bottom to top.
As further improvement: control fixed knob 81 before the handle to controlling the distance that the distance of fixed knob 82 behind the handle equals fork back, fixed knob 41 to left side fixed knob 42 before the fork of a left side, also equal the distance of fork back, fixed knob 61 to right side fixed knob 62 before the right fork; The distance of the interstitial hole of three hole crossbeams 30 to right ports equals to control before the handle distance of fixed knob 61 before the fork of fixed knob 81 to the right side, also equals to control the distance of fork back, fixed knob 82 to right side fixed knob 62 behind the handle; The distance of the interstitial hole of three hole crossbeams 30 to left hole equals to control before the handle distance of fixed knob 41 before the fork of fixed knob 81 a to left side, also equals to control the distance of fork back, fixed knob 82 to left side fixed knob 42 behind the handle.
Principle of work:
Control fixed knob 61 before fixed knob 81 before the handle, the right fork, control behind the handle fixed knob 82 and 62 4 of right fork back fixed knobs constitute a right parallelogram; Control fixed knob 41 before fixed knob 81 before the handle, the left side fork, control behind the handle fixed knob 82 and 42 4 of fork back, left side fixed knobs constitute the first from left parallelogram.
During driving; The baby is placed in the babychair 77, makes it Face to face in the sight line of navigating mate, navigating mate is sitting on the seat 55; Step on left and right sides pedal 52 as pin by bike; Chain drive-belt dish 50 rotates, is delivered to ratchet 22 driving trailing wheels 20 through chain 25, and stressed symmetry does not have partial center power.Both hands or one hand are held positive dirction handle 90 gently and just can be kept straight on.
When mother wants turnon left rotation handle-bar 90 with custom by bike by bike; Handle is vertically controlled fixed knob 81 rotation left before the handle of handle 80; Control fixed knob 82 rotation to the right behind the handle, borrowing right parallelogram, fixed knob 61 rotation left before the right fork; The rotation to the right of right fork back fixed knob 62 forces off front wheel 12 left-handed turnings that are installed in the right front wheel fork 60; Meanwhile, borrowing left parallelogram, fixed knob 41 rotation left before the fork of a left side, fork back fixed knob 42 rotation to the right in a left side forces the near front wheel 11 synchronous left-handed turnings that are installed in the left front wheel fork 40, realizes steady turnon left.
When mother wants turnon left rotation handle-bar 90 with custom by bike by bike; Handle is vertically controlled fixed knob 81 rotation left before the handle of handle 80; Control fixed knob 82 rotation to the right behind the handle, borrowing right parallelogram, fixed knob 61 rotation left before the right fork; The rotation to the right of right fork back fixed knob 62 forces off front wheel 12 left-handed turnings that are installed in the right front wheel fork 60; Meanwhile, borrowing left parallelogram, fixed knob 41 rotation left before the fork of a left side, fork back fixed knob 42 rotation to the right in a left side forces the near front wheel 11 synchronous left-handed turnings that are installed in the left front wheel fork 40, realizes steady turnon left.
So simple operations realizes the safe ready driving, and novel, intention is unique convenient and practical, welcome by the user.

Claims (2)

1. safe and convenient mothers and sons RV recreational vehicle; Comprise the near front wheel (11), off front wheel (12), trailing wheel (20), chain (25), chain dish (50), seat (55), left front wheel fork (40), right front wheel fork (60), handle-bar (90) and main car frame (70), it is characterized in that: described main car frame (70) leading section has three hole crossbeams (30) of fixed vertical; The interstitial hole of three hole crossbeams (30) is passed in the rotatable cooperation of handle axle (91) of described handle-bar (90) from top to bottom; The lower end handle of fixedly ining succession is vertically controlled handle (80), and the mid point of front tension bar (32) and back stay (31) is positioned at respectively that handle is vertical controls fixed knob (82) after the controlling before the handle fixed knob (81) and control handle of handle (80); One end of described front tension bar (32) is fixed on the preceding fixed knob (41) of left side fork of left front wheel fork (40), and the other end is fixed on the preceding fixed knob (61) of right side fork of right front wheel fork (60); One end of described back stay (31) is fixed on the left side fork back fixed knob (42) of left front wheel fork (40), and the other end is fixed on the right side fork back fixed knob (62) of right front wheel fork (60); The left hole that three hole crossbeams (30) are passed in the rotatable cooperation of left fork shaft (43) of described left front wheel fork (40) from bottom to top; The right ports that three hole crossbeams (30) are passed in the rotatable cooperation of right fork shaft (63) of described right front wheel fork (60) from bottom to top.
2. a kind of safe and convenient mothers and sons RV recreational vehicle according to claim 1; It is characterized in that: control fixed knob (81) before the handle to controlling the distance that the distance of fixed knob (82) behind the handle equals fixed knob (41) to left side fork back fixed knob (42) before the fork of a left side, also equal the distance of fixed knob (61) to right fork back fixed knob (62) before the right fork; The distance of interstitial hole to the right ports of three hole crossbeams (30) equals to control before the handle distance of fixed knob (61) before fixed knob (81) to the right fork, also equals to control the distance of fixed knob (82) to right fork back fixed knob (62) behind the handle; The distance of interstitial hole to the left hole of three hole crossbeams (30) equals to control before the handle distance of fixed knob (41) before the fork of fixed knob (81) a to left side, also equals to control the distance of fixed knob (82) to left side fork back fixed knob (42) behind the handle.
CN 201220041264 2012-02-01 2012-02-01 Safe and convenient primary-secondary RV (recreational vehicle) Expired - Fee Related CN202414046U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220041264 CN202414046U (en) 2012-02-01 2012-02-01 Safe and convenient primary-secondary RV (recreational vehicle)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220041264 CN202414046U (en) 2012-02-01 2012-02-01 Safe and convenient primary-secondary RV (recreational vehicle)

Publications (1)

Publication Number Publication Date
CN202414046U true CN202414046U (en) 2012-09-05

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ID=46738833

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220041264 Expired - Fee Related CN202414046U (en) 2012-02-01 2012-02-01 Safe and convenient primary-secondary RV (recreational vehicle)

Country Status (1)

Country Link
CN (1) CN202414046U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105292239A (en) * 2014-07-22 2016-02-03 盐城玉欣电动科技有限公司 Handlebar type steering mechanism and method of four wheeler
CN106892043A (en) * 2017-02-27 2017-06-27 许昌市儒燕科技信息咨询有限公司 It is convenient for carrying the tricycle of infant

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105292239A (en) * 2014-07-22 2016-02-03 盐城玉欣电动科技有限公司 Handlebar type steering mechanism and method of four wheeler
CN105292239B (en) * 2014-07-22 2019-10-22 泉州台商投资区捷赢网络科技有限公司 A kind of carriage direction is steering mechanism
CN106892043A (en) * 2017-02-27 2017-06-27 许昌市儒燕科技信息咨询有限公司 It is convenient for carrying the tricycle of infant

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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: 20120905

Termination date: 20130201

CF01 Termination of patent right due to non-payment of annual fee