CN209441520U - Tandem driving - Google Patents

Abstract

The utility model provides a kind of tandem driving, and including vehicle frame, main wheel, foot pedal, vehicle seat and the retractable step for having traveling wheel, main wheel is rotatably installed in the front of vehicle frame, and foot pedal is mounted in main wheel；Vehicle seat is mounted on the top of vehicle frame, and retractable step is hinged on the tail portion of vehicle frame.The bassinet structure of riding is simple, and convenient for manufacture processing, light-weight, convenient in carrying, and Experience Degree is high.

Description

Tandem driving

Technical field

The utility model relates to field of vehicles, drive a vehicle in particular to a kind of tandem.

Background technique

Riding by two-person tool kind currently on the market is also relatively simple, and most of all with the improvement design shape of bicycle State occurs, and function and mode of riding are all more traditional.

Commercially available tandem bicycle mostly appearance is more old, can not stimulate the desire to purchase of consumer, or even can not Light the passion that user wants to ride.

Existing riding by two-person tool, that is, tandem bicycle has at least following shortcoming:

1. appearance is overly conservative, attraction is lacked to masses, lacks product competitiveness；

Cause car body heaviness 2. body structure is relatively fixed, be not easy to remove move it is dynamic.

Utility model content

The purpose of this utility model is to provide a kind of drivings of tandem, and structure is simple, light-weight, easy to remove, and ride Passerby experiences.

The utility model adopts the following technical solutions realization:

Based on above-mentioned purpose, the utility model embodiment provides a kind of tandem driving, including vehicle frame, main wheel, foot Pedal, vehicle seat and the retractable step for having traveling wheel, the main wheel is rotatably installed in the front of the vehicle frame, described foot-operated Plate is mounted in the main wheel；The vehicle seat is mounted on the top of the vehicle frame, and the retractable step is hinged on the vehicle frame Tail portion.

Optionally, there are two the retractable step settings, the side of two retractable steps is hinged on the vehicle frame On, the other side of two retractable steps can be relatively close or separate.

Optionally, the vehicle frame includes main framing, connecting rod, handlebar and front fork, the main framing, the vehicle seat with And the handlebar is mounted in the connecting rod, the front fork is hinged in the connecting rod, the main wheel rotation peace On the front fork, the foot pedal rotational installation is on the front fork；The retractable step is hinged on the main framing.

Optionally, the main framing includes the first support frame and the second support frame, and one end of first support frame is pacified Loaded in the connecting rod, one end of second support frame is installed in the connecting rod, second support frame it is another End is installed on first support frame；The retractable step is articulated on first support frame.

Optionally, first support frame is set as expansion bracket, and second support frame is set as expansion bracket.

Optionally, first support frame is including the first sliding bar, the second sliding bar and for adjusting described first The locking member of the length of support, first sliding bar are slidably connected with second sliding bar, and the locking member is connected to institute State the first sliding bar and the second sliding bar.

Optionally, first sliding bar includes arc strip portion, straight-bar portion and mounting portion, the one end in the arc strip portion It is connect with the one end in the straight-bar portion, one end of the mounting portion is installed on the connection position in the straight-bar portion Yu the arc strip portion Place is set, the other end of the mounting portion extends far from the straight-bar portion, and it is sliding that the other end in the straight-bar portion is plugged on described second In lever, the locking member is bolted on second sliding bar, and the end abutment of the locking member is in the straight-bar portion On outer peripheral surface；Towards the main wheel, the retractable step is hinged in the arc strip portion inner concave in the arc strip portion；

The tandem driving further includes auxiliary wheel, and the auxiliary wheel is rotatably installed on the mounting portion, and institute Arc strip portion is stated to be located at outside the auxiliary wheel.

Optionally, the handlebar includes the curved rod for braking and placing bicyclist's arm, and the brake is installation In on one end of the curved rod, the other end of the curved rod is installed in the connecting rod.

Optionally, the tail portion of the vehicle frame is provided with two handles, and two handles are coaxially disposed and are located at the vehicle The left and right sides of frame.

Optionally, the tail portion of the vehicle frame is equipped with two fender rods, is formed between two fender rods for user The space of standing, the retractable step are located in the space.

Compared with prior art, the beneficial effect of the tandem driving of the preferred embodiment offer of the utility model includes:

Tandem driving provided by the utility model, by installing main wheel and retractable step, retractable step on vehicle frame Play the role of supporting vehicle frame together with main wheel, in use, main wheel and retractable step support are on the ground, a user Vehicle seat can be used, another user can be standing directly on retractable step, and user can control master by foot pedal Vehicle wheel rotation and then drive tricycle are moved perhaps user and are used using retractable step drive tricycle movement or two Person controls vehicle frame simultaneously, and one operation retractable step of an operation foot pedal increases the interest ridden, and control mode is more Add novelty, the Experience Degree of user is high.And foot pedal is directly connect with main wheel, can control main vehicle by manipulating foot pedal Wheel rotation, eliminates the drive mechanism of chain and sprocket wheel, overall structure is lighter and handier, easy to carry.And vehicle frame is only used for fixing Main wheel is installed, retractable step is directly hinged on vehicle frame, simplifies the structure of vehicle frame, body frame structure for automotive is simpler, further The weight of vehicle is alleviated, it is easy to carry.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also The protection scope of the utility model is also belonged to obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the schematic diagram of tandem provided in this embodiment driving；

Fig. 2 is the schematic diagram of the first sliding bar provided in this embodiment；

Fig. 3 is the schematic diagram of handlebar provided in this embodiment；

Fig. 4 is the schematic diagram of the first support frame provided in this embodiment.

Icon: 001- vehicle frame；100- main framing；The first support frame of 101-；The first sliding bar of 1011-；1012- Two sliding bars；1013- locking member；1014- arc strip portion；1015- straight-bar portion；1016- mounting portion；102- second is supported Frame；110- connecting rod；120- handlebar；121- brake handle；122- curved rod；130- front fork；002- main wheel； 003- foot pedal；004- vehicle seat；005- retractable step；500- traveling wheel；006- auxiliary wheel.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.Therefore, below to attached The detailed description of the embodiments of the present invention provided in figure is not intended to limit the range of claimed invention, But it is merely representative of the selected embodiment of the utility model.Based on the embodiments of the present invention, ordinary skill people Member's every other embodiment obtained without creative efforts, belongs to the model of the utility model protection It encloses.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area Divide description, is not understood to indicate or imply relative importance.

In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical" It has to fully horizontally, but can be slightly tilted.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.

Embodiment 1

Referring to Fig. 1, present embodiments providing a kind of tandem driving, it is suitable for riding by two-person, can increases double Interaction promotes Experience Degree.

Referring to Fig. 1, tandem driving provided in this embodiment includes 002, two vehicle frame 001, main wheel foot pedal 003, vehicle seat 004 and has the retractable step 005 of traveling wheel 500.The main wheel 002 is rotatably installed in the vehicle frame 001 Driving direction front, described two foot pedals 003 are mounted in the main wheel 002, and two foot pedals 003 are located at The both ends of the rotation axis of main wheel 002, two foot pedals 003 are installed in the rotation axis of main wheel 002.The vehicle seat 004 It is mounted on the top of the vehicle frame 001, the retractable step 005 is hinged on the tail portion of the driving direction of the vehicle frame 001.Walking Wheel 500 is mounted on the one end of retractable step 005 far from vehicle frame 001, and the wheel face of traveling wheel 500 and the wheel face of main wheel 002 are located at On same plane, stationarity is more preferable when tricycle moves.

Tandem driving provided by the utility model, by installing main wheel 002 and retractable step 005 on vehicle frame 001, Retractable step 005 plays the role of supporting vehicle frame 001 with main wheel 002 together, in use, main wheel 002 and retractable step 005 On the ground, vehicle seat 004 can be used in a user, and another user can be standing directly on retractable step 005 for support, User can control the rotation of main wheel 002 by foot pedal 003 and tricycle movement or user is driven to utilize cunning Dynamic pedal 005 drives tricycle movement or two users control vehicle frame 001, operation foot pedal 003 1 behaviour simultaneously Make retractable step 005, increase the interest ridden, and control mode is more novel, the Experience Degree of user is high.And foot pedal 003 directly connect with main wheel 002, by manipulate foot pedal 003 can control main wheel 002 rotate, eliminate chain and The drive mechanism of sprocket wheel, overall structure is lighter and handier, easy to carry.And vehicle frame 001 is only used for that main wheel 002 is fixedly mounted, it is sliding Dynamic pedal 005 is directly hinged on vehicle frame 001, simplifies the structure of vehicle frame 001,001 structure of vehicle frame is simpler, further subtracts The light weight of vehicle, it is easy to carry.

It should be noted that the traveling wheel 500 on retractable step 005 can be universal wheel, retractable step 005 and vehicle frame 001 hinge axes can be vertically arranged, and retractable step 005 can slidably reciprocate in left and right directions, then utilize traveling wheel 500 drive tricycle movement.By the way that universal wheel is arranged, deflecting is more flexible, manipulates more flexible, Experience Degree height, and safety It is high.

Further, rubber layer is provided on retractable step 005, rubber layer can be set in retractable step 005 and foot In the plate face of contact, or rubber sleeve directly is arranged on retractable step 005.Pass through setting rubber layer or rubber sleeve, operation When retractable step 005, it is not easy to skid, more securely and reliably.

Further, anti-skid chequer is provided on the side that the lateral surface of rubber layer namely rubber layer are contacted with foot.

Optionally, vehicle frame 001 can be set to stainless steel frame, and structural strength is high, is hardly damaged, safe and reliable.Vehicle Frame 001 includes main framing 100, connecting rod 110, handlebar 120 and front fork 130.Main framing 100 can be stainless steel frame, even Extension bar 110 can be steel pipe, and front fork 130 can be stainless steel frame.

Referring to Fig. 1, optional, main framing 100 includes the first support frame 101 and the second support frame 102, described first One end of support frame 101 is installed in the connecting rod 110, and one end of second support frame 102 is installed on the connecting rod On 110, the other end of second support frame 102 is installed on first support frame 101；The retractable step 005 is hinged In on first support frame 101.First support frame 101, the second support frame 102 and connecting rod 110 constitute tripod structure, knot Structure intensity is high, safe and reliable.

It should be further noted that first support frame 101 is set as expansion bracket, second support frame 102 is set It is set to expansion bracket.By the way that the first support frame 101 and the second support frame 102 are disposed as expansion bracket, vehicle seat can be adjusted on demand 004 height, is suitble to the use of different crowd, and use scope is wider.First support frame 101 and the same step of the second support frame 102 It is whole.

Referring to Fig. 4, further, first support frame 101 includes the first sliding bar 1011, the second sliding bar 1012 And the locking member 1013 of the length for adjusting first support frame 101, first sliding bar 1011 and described second Sliding bar 1012 is slidably connected, and the locking member 1013 is connected to first sliding bar 1011 and the second sliding bar 1012.

Referring to Fig. 2, further, first sliding bar 1011 include arc strip portion 1014, straight-bar portion 1015 and Mounting portion 1016, the one end in the arc strip portion 1014 are connect with the one end in the straight-bar portion 1015, the mounting portion 1016 One end is installed at the link position in the straight-bar portion 1015 and the arc strip portion 1014, the other end of the mounting portion 1016 Extend far from the straight-bar portion 1015, the second sliding bar 1012 and straight-bar portion 1015 can be set to round tube, the straight-bar The other end in portion 1015 is directly plugged in second sliding bar 1012, and locking member 1013 can be screw, the locking member 1013 are bolted on second sliding bar 1012, and the end abutment of the locking member 1013 is in the outer of the straight-bar portion 1015 On circumferential surface.When adjusting, screw is unscrewed, the end face of screw is separated with the outer peripheral surface in straight-bar portion 1015, at this point it is possible to easily slide Straight-bar portion 1015 and the second sliding bar 1012 carry out the length adjustment of the first support frame 101, after the completion of adjusting, screw screw, spiral shell The end abutment of nail realizes the locking in straight-bar portion 1015 and the second sliding bar 1012 on the outer peripheral surface in straight-bar portion 1015.It is described The inner concave in arc strip portion 1014 leads to towards the main wheel 002 and does that arc strip portion 1014 is arranged in the end in straight-bar portion 1015, Installation for auxiliary wheel 006 provides space.The retractable step 005 is hinged in the arc strip portion 1014.

In order to improve the stability of vehicle, auxiliary wheel 006, auxiliary wheel 006 are rotatably equipped on mounting portion 1016 Diameter be less than main wheel 002 diameter.Mounting portion 1016 includes two mounting rods, the both ends point of the shaft of auxiliary wheel 006 It is not rotatably installed on two mounting rods.The inner concave in arc strip portion 1014 is located at outside auxiliary wheel 006.

It should be noted that straight-bar portion 1015, arc strip portion 1014 and mounting portion 1016 can be integrally formed, overall structure It is solid and reliable, it is safe and reliable.

Optionally, front fork 130 includes two backplates and installation part, and two backplates are opposite to be arranged in parallel, and two backplates are logical It crosses installation part to be fixedly connected, main wheel 002 is located between two backplates, connects between connecting rod 110 and installation part by rotation axis It connects, two foot pedals 003 are rotatably installed in respectively on two backplates, and when actual installation, the end of foot pedal 003 passes through backplate simultaneously It is fixedly connected with the rotation axis of main wheel 002.Change the direction of main wheel 002 by the power being applied on foot pedal 003, it is real It turns now to.

Optionally, there are two the settings of retractable step 005, the side of two retractable steps 005 is hinged on the vehicle In the arc strip portion 1014 of frame 001, the other side of two retractable steps 005 can be relatively close or separate.Two cunnings The wheel face of the wheel face of traveling wheel 500, the wheel face of main wheel 002 and auxiliary wheel 006 on dynamic pedal 005 is generally aligned in the same plane Interior, tricycle is good to stationarity.By the way that two retractable steps 005 are arranged, two feet of user are stood respectively to be stepped in two slidings On plate 005, by keeping two retractable steps 005 close to each other or the separate power for making tricycle that there is advance.

Optionally, the tail portion of vehicle frame 001 is provided with two handles, and two handles are coaxially disposed and are located at vehicle frame 001 The left and right sides.User on retractable step 005 can hold respectively two handles with both hands, or can directly embrace User on vehicle seat 004 is safer.

Optionally, the tail portion of vehicle frame 001 is equipped with two fender rods, and formation is stood for user between two fender rods Space, retractable step 005 are located in space.User on retractable step 005 is not easy to fall from the side of tricycle, more Add safety.

Referring to Fig. 3, optional, handlebar 120 includes the curved rod 122 braked 121 and placement bicyclist's arm, Brake is installed on one end of curved rod 122 121, and the other end of curved rod 122 is installed in connecting rod 110.Curved rod 122 Structure design, be placed in curved rod 122 convenient for the arm of bicyclist, more comfortably.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of tandem driving, which is characterized in that including vehicle frame, main wheel, foot pedal, vehicle seat and the cunning for having traveling wheel Dynamic pedal, the main wheel are rotatably installed in the front of the vehicle frame, and the foot pedal is mounted in the main wheel；The vehicle Seat is mounted on the top of the vehicle frame, and the retractable step is hinged on the tail portion of the vehicle frame.

2. tandem driving according to claim 1, which is characterized in that there are two the retractable step settings, two institutes The side for stating retractable step is hinged on the vehicle frame, and the other side of two retractable steps can be relatively close or remote From.

3. tandem driving according to claim 1, which is characterized in that the vehicle frame includes main framing, connecting rod, handlebar Hand and front fork, the main framing, the vehicle seat and the handlebar are mounted in the connecting rod, and the front fork is hinged In the connecting rod, the main wheel is rotatably installed on the front fork, and the foot pedal rotational installation is on the front fork； The retractable step is hinged on the main framing.

4. tandem according to claim 3 driving, which is characterized in that the main framing includes the first support frame and the One end of two support frames, first support frame is installed in the connecting rod, and one end of second support frame is installed on institute It states in connecting rod, the other end of second support frame is installed on first support frame；The retractable step is articulated with institute It states on the first support frame.

5. tandem driving according to claim 4, which is characterized in that first support frame is set as expansion bracket, institute It states the second support frame and is set as expansion bracket.

6. tandem according to claim 5 driving, which is characterized in that first support frame include the first sliding bar, The locking member of second sliding bar and the length for adjusting first support frame, first sliding bar and described second are slided Lever is slidably connected, and the locking member is connected to first sliding bar and the second sliding bar.

7. tandem according to claim 6 driving, which is characterized in that first sliding bar includes arc strip portion, straight Bar portion and mounting portion, the one end in the arc strip portion are connect with the one end in the straight-bar portion, one end installation of the mounting portion At the link position in the straight-bar portion and the arc strip portion, the other end of the mounting portion extends far from the straight-bar portion, The other end in the straight-bar portion is plugged in second sliding bar, and the locking member is bolted on second sliding bar, and The end abutment of the locking member is on the outer peripheral surface in the straight-bar portion；The inner concave in the arc strip portion is towards the main vehicle Wheel, the retractable step are hinged in the arc strip portion；

The tandem driving further includes auxiliary wheel, and the auxiliary wheel is rotatably installed on the mounting portion, and the arc Shape item portion is located at outside the auxiliary wheel.

8. the tandem according to any one of claim 3-7 is driven a vehicle, which is characterized in that the handlebar includes brake And place the curved rod of bicyclist's arm, the brake being installed on one end of the curved rod, the curved rod The other end is installed in the connecting rod.

9. tandem driving according to claim 1, which is characterized in that the tail portion of the vehicle frame is provided with two handles, Two handle coaxial arrangements and the left and right sides for being located at the vehicle frame.

10. tandem driving according to claim 1, which is characterized in that the tail portion of the vehicle frame is equipped with two protection Bar, forms the space stood for user between two fender rods, and the retractable step is located in the space.