CN2502678Y

CN2502678Y - Crank rocket type tricycle

Info

Publication number: CN2502678Y
Application number: CN 01233963
Authority: CN
Inventors: 张海军; 曾龙根; 王长福
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-08-13
Filing date: 2001-08-13
Publication date: 2002-07-31
Anticipated expiration: 2011-08-13

Abstract

A crank-rocker pedicab is provided with a front fork assembly, pedals, a rocker steering assembly and a main assembly of a seat frame. The connection between the front end of a pedal skeleton of the pedals and the rocker steering assembly and the front fork in the front fork assembly is in a detachable connecting structure; the connection between the back end of the pedal skeleton of the pedals and the seat frame of the main assembly of seat frame is also in a detachable connecting structure; both the hinge connection between a steering tie rod and a steering foreplate, and between a connecting rod and the rocker are in a detachable connecting structure. A one-way rotary sprocket is positioned on a drive shaft of post-wheels of the main assembly of the seat frame. A position limit device of the sprocket is to prevent glissade and falling back of the pedicab, which is caused by the counter rotating of the drive shaft of post-wheels. The utility model has easy dismounting, convenient use and simple operation and can only move forward but not move back.

Description

The crank-rocker style tricycle

(1) technical field

This utility model relates to a kind of tricycle, particularly a kind of crank-rocker style tricycle.

(2) background technology

Present existing crank-rocker style tricycle, a kind of crank-rocker style tricycle as Vietnam's production, the hands of taking advantage of a person during motion postpones the moving connecting rod of drawstring before to rocking bar makes crank do 360 ° rotation, driving wheel by crank axle advances or retreats, when the rocking bar pro-pushes away with post-tensioning as long as rotate the handle that turns to be contained on the rocking bar, can make again advance or retreat in tricycle do a left side or right turning to.Because it is to finish to turn to when rocking bar waves to need, and is therefore, for disabled or old people, as long as perfecting hands with one just can drive this tricycle, time saving and energy saving.But it is an overall structure, dismounting inconvenience, and volume is big, and vanning transportation or storage are very inconvenient; And this tricycle does not have and prevents that tricycle from retreating the device of downslide, takes advantage of a person not have the security when going up a slope.

(3) summary of the invention

The purpose of this utility model provides a kind of crank-rocker style tricycle, and technical problem to be solved is to make this tricycle be convenient to dismounting, and is easy to use, and by taking advantage of person's simple operations, just makes it have the function of advancing only and can not retreat when going up a slope.

For solving the problems of the technologies described above, this utility model adopts following technical scheme:

A kind of crank-rocker style tricycle, has front fork ASSY, pedal and rocking bar turn to assembly, chair coach frame body assembly, front fork ASSY contains front-wheel, front fork, be fixed in the header board that turns to of one with front fork, pedal and rocking bar turn to assembly to contain the pedal skeleton, rocking bar, turning-bar, be fixed in the handle that turns to of one with turning-bar, be located at below the pedal skeleton rocker that can rotate with respect to pedal skeleton extension, turn to the back plate, be set in the rocking bar its top and the bottom respectively with turning-bar and turn to the back plate affixed turn to interior bar, be located at rocking bar and turn to the supporting mass that between the interior bar the two is rotatably assorted, its two ends turn to header board and turn to the back steering linkage that is hinged of plate with above-mentioned respectively, chair coach frame body assembly contains the seat vehicle frame, rear wheel, the rear wheel power transmission shaft, crank, the crank connecting axle, its front end and rocking bar are hinged the connecting rod that its rear end and crank connecting axle are rotationally connected, its technical scheme is that pedal and rocking bar turn to the front end of the pedal skeleton in the assembly and being connected of front fork be dismountable syndeton in the front fork ASSY, the rear end of described pedal skeleton with being connected of seat vehicle frame be dismountable syndeton in the chair coach frame body assembly, described steering linkage with turn to being hinged of header board, being hinged of connecting rod and rocking bar is dismountable syndeton; The sprocket wheel of unidirectional rotation is installed on the rear wheel power transmission shaft in the chair coach frame body assembly, and this sprocket wheel causes tricycle to retreat the stopping means of downslide by preventing the reverse rotation of rear wheel power transmission shaft on the seat vehicle frame spacing.

The front end that in the technique scheme, dismountable syndeton of the front end of pedal skeleton and front fork can comprise the tubular configured joint up and down that is fixed in above the front fork, be fixed in the pedal skeleton at the tubular configured joint between the tubular configured joint up and down, the bolt and the nut that are connected as a single entity of tubular configured joint and tubular configured joint up and down; The rear end of described pedal skeleton and dismountable syndeton of seat vehicle frame can comprise the rear end of being located at the pedal skeleton bearing pin, be located at the pin shaft hole that cooperates with this bearing pin on the seat vehicle frame, radially pass pin shaft hole and bearing pin and the two is connected in the bolt and the nut of one; Described steering linkage with turn to dismountable syndeton of header board, connecting rod and rocking bar can comprise respectively that being located at it is hinged bolt and the stop nut of lighting the jointed shaft effect.Above-mentionedly prevent that tricycle from retreating and glide and the stopping means that sprocket wheel is spacing can comprise connecting rod, guide pipe, the anti-holding rod that retreats, location-plate, extension spring, the anti-holding rod that retreats has with the seat vehicle frame and is connected the fulcrum that rotates around it, one end of connecting rod is by the spacing support of guide pipe, the other end of connecting rod is hinged with the anti-following position of the above-mentioned fulcrum of being positioned at of holding rod that retreats, the anti-position that retreats more than the above-mentioned fulcrum of being positioned at of holding rod is spacing by location-plate, extension spring be located at the seat vehicle frame and anti-retreat holding rod between the position more than the above-mentioned fulcrum, can have the anti-pin that retreats that radially enters the breach between adjacent two gear teeth of sprocket wheel along its part of stretching out of connecting rod that guide pipe slides from guide pipe along sprocket wheel, it is spacing to have the position that will anti-retreat more than the above-mentioned fulcrum of being positioned at of holding rod on the location-plate, and makes anti-on the guide pipe retreat two stopper slots that pin entered or broke away from the breach between adjacent two gear teeth of sprocket wheel.Above-mentioned rocking bar and turn in to make the two supporting mass that is rotatably assorted between the bar be to be positioned at rocking bar five bowls up and down at two ends up and down.Above-mentioned connecting rod is an elbow-shaped.The above-mentioned handle that turns to is semicircle.

This utility model since pedal and rocking bar turn to the front end of the pedal skeleton in the assembly and being connected of front fork be dismountable syndeton in the front fork ASSY, the rear end of described pedal skeleton with being connected of seat vehicle frame be dismountable syndeton in the chair coach frame body assembly, described steering linkage is dismountable syndeton with turning to being hinged of header board, connecting rod and being hinged of rocking bar.Like this, just can become the dismounting easily of crank-rocker style tricycle front fork ASSY, pedal and rocking bar to turn to assembly, chair coach frame body assembly three parts, storage be easy to carry.Simultaneously, this utility model is owing to be equipped with sprocket wheel on the rear wheel power transmission shaft in the chair coach frame body assembly, this sprocket wheel causes tricycle to retreat the stopping means of downslide by preventing the reverse rotation of rear wheel power transmission shaft on the seat vehicle frame spacing, like this, take advantage of a person to operate the anti-holding rod that retreats in the stopping means during upward slope, the rear wheel power transmission shaft can only be advanced can not be retreated, thereby has increased the security of taking advantage of a person.This utility model is because its said structure uses very convenient.Moreover this utility model makes the two supporting mass that is rotatably assorted between the bar owing to above-mentioned rocking bar and in turning to be to be positioned at rocking bar five bowls up and down at two ends up and down, and connecting rod is an elbow-shaped, and it is semicircle turning to handle, like this, uses more convenient.

(4) description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 turns to assembly, the total tripartite split structural representation of chair coach frame body for front fork ASSY, pedal and rocking bar in this utility model.

The vertical view that Fig. 3 turns to assembly to be connected with front fork ASSY for pedal in this utility model and rocking bar.

Fig. 4 is pedal skeleton 11 in this utility model and front fork 2, steering linkage 46 and the structural representation that turns to header board 6, rocking bar 16 and turn to interior bar 53, turn to interior bar 53 to be connected with turning-bar 14.

Fig. 5 is the partial enlarged view of I among Fig. 4.

Fig. 6 is along the cutaway view of A-A line among Fig. 1.

Fig. 7 is along the cutaway view of B-B line among Fig. 1.

Fig. 8 is the structural representation of stopping means 38.

(5) specific embodiment

As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, shown in Figure 8, the utlity model has front fork ASSY, pedal and rocking bar and turn to assembly, chair coach frame body assembly.Front fork ASSY comprises front-wheel 1, front fork 2, turns to header board 6, front brake 3, front fork five bowls 9, front brake brake cable 10 up and down with front fork is fixed in one.Pedal and rocking bar turn to assembly to comprise pedal skeleton 11, rocking bar 16, turning-bar 14, turn to handle 14a with turning-bar is fixed in one, be located at below the pedal skeleton rocker 51 that can rotate with respect to pedal skeleton extension 44, turn to back plate 55, be set in the rocking bar its top and the bottom respectively with turning-bar and turn to the back plate affixed turn in bar 53, be located at rocking bar and turn between the interior bar and make the two supporting mass that is rotatably assorted 15, its two ends turn to header board and turn to the back steering linkage 46 that is hinged of plate with above-mentioned respectively, front brake is 13, pedal skeleton reinforced pipe 45, steering linkage joint 43, tie down screw 48, taper pin locknut 49, turn to back plate removable pin 52, trough of belt connector 54, screw and nut 56, pull bar connector 57, the bolt 42 of rocker 51 on pedal skeleton extension 44 that bearing 50 is installed on its sidewall 41 rotates.Chair coach frame body assembly comprises seat vehicle frame 19, rear wheel 30, rear wheel power transmission shaft 60, crank 31, crank connecting axle 63, its front end and rocking bar are hinged the connecting rod 40 that its rear end and crank connecting axle (by bearing holder (housing, cover) assembly 28) are rotationally connected, back band-type brake bar 18, headrest stationary pipes 20, handbarrow handle 21, back backrest skeleton 22, handle in the lock 24, back backrest skeletal fixation pipe 25, back backrest skeleton alignment pin 26, back container 27, rear reflector 29, crank and connecting rod adjusting screw 32, flat key 58, rear vehicle shaft skin 59, bearing 61, crank-pin 62, connecting rod attaching nut 64, fixing vehicle wheel axle sleeve plate 65, wheel driving sleeve 66, back band-type brake 67, nut 68.

As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, pedal and rocking bar turn to the front end of the pedal skeleton 11 in the assembly and being connected of front fork 2 are dismountable syndeton in the front fork ASSY, the front end that this syndeton can comprise the tubular configured joint up and down 7 that is fixed in above the front fork 2, be fixed in pedal skeleton 11 at the tubular configured joint 11a between the tubular configured joint 7 up and down, the bolt and the nut 8 that are connected as a single entity of tubular configured joint 7 and tubular configured joint 11a up and down.The rear end of described pedal skeleton 11 with being connected of seat vehicle frame 19 be dismountable syndeton in the chair coach frame body assembly, this syndeton can comprise the rear end of being located at the pedal skeleton bearing pin 11b, be located at the pin shaft hole 19a that cooperates with this bearing pin 11b on the seat vehicle frame, radially pass pin shaft hole 19a and bearing pin 11b and the two is connected in the bolt and the nut 39 of one.Described steering linkage 46 is dismountable syndeton with turning to being hinged of header board 6, connecting rod 40 with being hinged of rocking bar 16 (by linkage connector 47 and clamp ring 12), and this syndeton can comprise respectively that being located at it is hinged the

bolt

4,17 of lighting the jointed shaft effect and stop

nut

5,17a.

As Fig. 1, Fig. 3, Fig. 4, shown in Figure 5, make the two supporting mass that is rotatably assorted 15 between the bar at rocking bar and in turning to for being positioned at five bowls up and down at two ends about the rocking bar.Above-mentioned connecting rod 40 is an elbow-shaped.The above-mentioned handle 14a that turns to is for semicircle.

As the sprocket wheel 33 of unidirectional rotation is installed on the rear wheel power transmission shaft 60 in Fig. 1, Fig. 8 chair coach frame body assembly, this sprocket wheel causes tricycle to retreat the stopping means 38 of downslide by preventing the reverse rotation of rear wheel power transmission shaft on the seat vehicle frame 19 spacing.This stopping means 38 can comprise connecting rod 36, guide pipe 34, the anti-holding rod 23 that retreats, location-plate 70, extension spring 69, the anti-holding rod 23 that retreats has and is connected the fulcrum 37 that rotates around it with seat vehicle frame 19, one end of connecting rod 36 is by guide pipe 34 spacing supports, the other end of connecting rod 36 retreats the position of the above-mentioned fulcrum of being positioned at of holding rod 23 below 37 and is hinged with anti-, it is spacing by location-plate 70 to prevent retreating the position of the above-mentioned fulcrum of being positioned at of holding rod 23 more than 37, extension spring 69 be located at seat vehicle frame 19 and anti-retreat holding rod 23 between the position of above-mentioned fulcrum more than 37, can have the anti-pin 35 that retreats that radially enters the breach between sprocket wheel 33 adjacent two gear teeth along connecting rod 36 its parts of stretching out that guide pipe 34 slides from guide pipe 34 along sprocket wheel, have on the location-plate 70 with anti-that to retreat the position of the above-mentioned fulcrum of being positioned at of holding rod 23 more than 37 spacing, and make anti-on the guide pipe retreat two stopper slot 70a that pin 35 entered or broke away from the breach between sprocket wheel 33 adjacent two gear teeth, 70b.As long as move on to and just make connecting rod 36 promote the anti-pin 35 that retreats in first stopper slot 70a to move backward preventing retreating holding rod 23, the anti-pin 35 that retreats is stuck in (circular arc) breach between sprocket wheel 33 adjacent two gear teeth, like this this tricycle can only before so that can not retreat.The anti-pin 35 that retreats is (the promptly anti-pin that retreats radially enters breach between adjacent two gear teeth of sprocket wheel along sprocket wheel) in the perpendicular breach that is inserted between sprocket wheel 33 adjacent two gear teeth, when eliminating, take advantage of a person just can move on in second stopper slot 70b gently preventing retreating holding rod 23 to sprocket wheel 33 spacing, this is because the anti-top that retreats pin 35 also is a circular arc, it also is circular arc that breach is directly located at 33 ends of sprocket wheel, itself just has a kind of propulsive thrust, this moment, the anti-holding rod 23 that retreats was stuck in first stopper slot, and there is extension spring 69 to hold the anti-holding rod 23 that retreats, though propulsive thrust is arranged but can not make and prevent retreating the breach that pin 35 breaks away between sprocket wheels 33 adjacent two gear teeth, therefore say the spacing very reliable of 38 pairs of sprocket wheels 33 of stopping means, it is easily stable again to operate.

Claims

1, a kind of crank-rocker style tricycle, has front fork ASSY, pedal and rocking bar turn to assembly, chair coach frame body assembly, front fork ASSY contains front-wheel, front fork, be fixed in the header board that turns to of one with front fork, pedal and rocking bar turn to assembly to contain the pedal skeleton, rocking bar, turning-bar, be fixed in the handle that turns to of one with turning-bar, be located at below the pedal skeleton rocker that can rotate with respect to pedal skeleton extension, turn to the back plate, be set in the rocking bar its top and the bottom respectively with turning-bar and turn to the back plate affixed turn to interior bar, be located at rocking bar and turn to the supporting mass that between the interior bar the two is rotatably assorted, its two ends turn to header board and turn to the back steering linkage that is hinged of plate with above-mentioned respectively, chair coach frame body assembly contains the seat vehicle frame, rear wheel, the rear wheel power transmission shaft, crank, the crank connecting axle, its front end and rocking bar are hinged the connecting rod that its rear end and crank connecting axle are rotationally connected, and it is characterized in that:

Pedal and rocking bar turn to the front end of the pedal skeleton (11) in the assembly and being connected of front fork (2) are dismountable syndeton in the front fork ASSY, the rear end of described pedal skeleton (11) with being connected of seat vehicle frame (19) be dismountable syndeton in the chair coach frame body assembly, described steering linkage (46) is dismountable syndeton with turning to being hinged of header board (6), connecting rod (40) with being hinged of rocking bar (16);

The sprocket wheel (33) of unidirectional rotation is installed on the rear wheel power transmission shaft (60) in the chair coach frame body assembly, and this sprocket wheel causes tricycle to retreat the stopping means (38) of downslide by preventing the reverse rotation of rear wheel power transmission shaft on the seat vehicle frame (19) spacing.

2, the front end that tricycle according to claim 1, the dismountable syndeton that it is characterized in that the front end of above-mentioned pedal skeleton (11) and front fork (2) can comprise the tubular configured joint up and down (7) that is fixed in above the front fork (2), be fixed in pedal skeleton (11) be positioned at the tubular configured joint (11a) between the tubular configured joint (7) up and down, the bolt and the nut (8) that are connected as a single entity of tubular configured joint (7) and tubular configured joint (11a) up and down; The rear end of described pedal skeleton (11) and dismountable syndeton of seat vehicle frame (19) can comprise the rear end of being located at the pedal skeleton bearing pin (11b), be located at the pin shaft hole (19a) that cooperates with this bearing pin (11b) on the seat vehicle frame, radially pass pin shaft hole (19a) and bearing pin (11b) and the two is connected in the bolt and the nut (39) of one; Described steering linkage (46) and the dismountable syndeton that turns to header board (6), connecting rod (40) with rocking bar (16) can comprise respectively that being located at it is hinged the bolt (4,17) of lighting the jointed shaft effect and stop nut (5,17a).

3, tricycle according to claim 1, it is characterized in that above-mentionedly preventing that tricycle from retreating and gliding and the stopping means (38) that sprocket wheel (33) is spacing can comprise connecting rod (36), guide pipe (34), the anti-holding rod (23) that retreats, location-plate (70), extension spring (69), the anti-holding rod (23) that retreats has and is connected the fulcrum (37) that rotates around it with seat vehicle frame (19), one end of connecting rod (36) is by the spacing support of guide pipe (34), the other end of connecting rod (36) is hinged with the anti-following position of above-mentioned fulcrum (37) that is positioned at that retreats holding rod (23), anti-retreat holding rod (23) to be positioned at the above position of above-mentioned fulcrum (37) spacing by location-plate (70), extension spring (69) is located at seat vehicle frame (19) and anti-is retreated being positioned between the above position of above-mentioned fulcrum (37) of holding rod (23), can have the anti-pin (35) that retreats that radially enters the breach between adjacent two gear teeth of sprocket wheel (33) along its part of stretching out of connecting rod (36) that guide pipe (34) slides from guide pipe (34) along sprocket wheel, have on the location-plate (70) with anti-retreat holding rod (23) to be positioned at the above position of above-mentioned fulcrum (37) spacing, and make anti-on the guide pipe retreat two stopper slots (70a that pin (35) entered or broke away from the breach between adjacent two gear teeth of sprocket wheel (33), 70b).

4, tricycle according to claim 1, it is characterized in that above-mentioned rocking bar and turn in make between the bar the two supporting mass that is rotatably assorted (15) for being positioned at five bowls up and down at two ends about the rocking bar.

5, tricycle according to claim 1 is characterized in that above-mentioned connecting rod (40) is elbow-shaped.

6, tricycle according to claim 1 is characterized in that the above-mentioned handle (14a) that turns to is for semicircle.