CN209008616U - Electric four-wheeled trolley - Google Patents

Abstract

The utility model relates to a kind of electric four-wheeled trolleys, belong to trolley technical field, including vehicle frame, the nigger being rotatablely connected with it is installed on rear side of the vehicle frame, handle is installed on the right side of the nigger, the handle lower end is equipped with pedal, there are two directional wheels for the bottom of frame installation, described two directional wheels are connected by motor integral bar, battery is fixedly installed on the motor integral bar, motor integral bar is electrically connected by conducting wire and handle, and the frame interior is equipped with direction adjustment organization；The utility model uses front-wheel steer, people stands at rear, accurate and flexible steering can be realized by direction adjustment organization, direction adjustment organization can cooperate turntable to carry out control or the cooperation steering wheel realization of distant bar steel pipe by distant bar, and steering is more direct, more sensitive and accurate, it is time saving more labor-saving, 3 stabilising surfaces are constituted with fitting to step on by both hands, makes one to stand more steady when driving, travel safer.

Description

Electric four-wheeled trolley

Technical field

The utility model relates to trolley technical field, specifically a kind of electric four-wheeled trolley.

Background technique

Trolley is the carrying vehicle for being pushed away, being drawn with manpower, it is the first ancestor of all vehicles.Although trolley material carries skill Art continues to develop, but trolley is still continued to use as indispensable handbarrow.Trolley obtains extensively in production and life General application be because it is cheap, maintenance is simple and convenient to operate, from heavy and light, can be in the local work that motor vehicles inconvenience uses Make, it is very convenient in the lighter article of short-haul operation.

Traditional trolley controls direction using two universal wheels of rear-wheel, the disadvantage is that steering angle is big, bad control, It is time-consuming and laborious, it is poor to turn to flexibility ratio；Traditional trolley is turned to using faucet, leading bogie car to be with steering column be a bit, People station is the two o'clock of any to manipulate on the footrests, and stability is poor when human body is stood, and speed slightly straightforward man, which knows from experience, to be not steady on one's legs, side To bad assurance, easy accidents happened, and safety is poor.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of electric four-wheeled trolley Problem.

To achieve the above object, the utility model provides the following technical solutions:

A kind of electric four-wheeled trolley, including vehicle frame, the vehicle frame rear side are equipped with the nigger being rotatablely connected with it, institute It states and handle is installed on the right side of nigger, parking brake is mounted on the nigger and handle, the handle lower end is equipped with service brake, Pedal is installed, there are two directional wheel, described two directional wheels pass through motor one for the bottom of frame installation on the left of the service brake Body rod is connected, and battery is fixedly installed on the motor integral bar, and motor integral bar is electrically connected by conducting wire and handle, institute It states frame interior and direction adjustment organization is installed.

Further technical solution as the utility model: the direction adjustment organization include turn to cross bar, universal wheel and Wheel disc is fixedly installed with distant bar inside the wheel disc, and described distant bar one end is fixedly connected with nigger, and the other end and vehicle frame rotate Connection, is equipped with the first bearing being rotatablely connected with it on the outside of the distant bar, the first bearing be arranged in front of wheel disc and with Vehicle frame is connected, and the universal wheel is connected by wheel carrier with vehicle frame, and iron, the iron are fixedly installed in the support leg of the wheel carrier The bar other end is connected with cross bar is turned to, and is fixedly mounted on the steering cross bar there are two round iron post, the vehicle frame inner wall is also fixed First fixed pulley, the second fixed pulley and third fixed pulley are installed, the first fixed pulley setting is turning to cross bar rear, described The setting of second fixed pulley is turning to above cross bar and is being in the same horizontal position with wheel disc, and the third fixed pulley setting is turning to In front of cross bar, wirerope being installed on the wheel disc, described wirerope one end passes through third fixed pulley and is fixedly connected with round iron post, The other end sequentially passes through the second fixed pulley and the first fixed pulley is fixedly connected with another round iron post.

Further technical solution as the utility model: fluted, fixation in the groove is opened up in the wheel disc Iron staff is installed, wirerope is installed on the outside of the iron staff.

Further technical solution as the utility model: the number of wheels is set as two.

Further technical solution as the utility model: brake disc, the brake are installed on the inside of the directional wheel Disk is connected with service brake and parking brake respectively.

Further technical solution as the utility model: the direction adjustment organization includes distant bar steel pipe, steering wheel And wheel, the first universal joint and the second universal joint are installed, there are two for installation on the outside of first universal joint in the vehicle frame Two bearings, the second bearing are fixedly connected with vehicle frame inner wall respectively, and first universal joint one end is connected with distant bar steel pipe, separately One end is connected with nigger, and the distant bar steel pipe other end is connected with the second universal joint, the second universal joint other end and steering wheel It is connected, front axle assy is installed on rear side of the steering wheel, is equipped on the front axle assy and breathes out head and direction pull rod, the Kazakhstan head It is connected with steering wheel, direction pull rod both ends are mounted on wheel, are equipped with disc brake, the disc brake and hand on the inside of the wheel It stops and is connected.

Further technical solution as the utility model: intermeshing rack gear and tooth are installed in the steering wheel Wheel, the gear ratio of the rack and pinion are 1:2.

Further technical solution as the utility model: the distance between described two second bearings are 5-50cm.

Further technical solution as the utility model: the upper left side on rear side of vehicle frame, institute is arranged in the nigger State the upper right side that handle is arranged on rear side of vehicle frame.

Compared with prior art, the utility model has the beneficial effects that people stands in rear, the side of passing through using front-wheel steer Accurate and flexible steering can be realized to regulating mechanism, and direction adjustment organization can cooperate turntable to carry out control or distant bar by distant bar Steel pipe cooperates steering wheel to realize, steering is more direct, more sensitive and accurate, time saving more labor-saving, steps on 3 points of composition with fitting by both hands Stabilising surface makes one to stand more steady when driving, travel safer.

Detailed description of the invention

Fig. 1 is the perspective view of electric four-wheeled trolley；

Fig. 2 is the main view of wheel disc in electric four-wheeled trolley；

Fig. 3 is another perspective view of electric four-wheeled trolley；

Fig. 4 is the partial sectional view of steering wheel in electric four-wheeled trolley；

Fig. 5 is the perspective view of embodiment 3.

In figure: the distant bar of 1- vehicle frame, 2-, 3- nigger, 4- directional wheel, 5- pedal, 6- motor integral bar, 7- service brake, 8- turn , 9- parking brake, 10- brake disc, 11- turn to cross bar, 12- round iron post, the first fixed pulley of 13-, 14- iron, 15- universal wheel, 16- Wheel carrier, the second fixed pulley of 17-, 18- wirerope, 19- first bearing, 20- wheel disc, 21- third fixed pulley, 22- second bearing, The distant bar steel pipe of the first universal joint of 23-, 24-, the second universal joint of 25-, 26- steering wheel, 27- front axle assy, 28- wheel, 29- are breathed out Head, the direction 30- pull rod, 31- disc brake, 32- rack gear, 33- gear, 34- right-angular drive gearbox.

Specific embodiment

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe.

Embodiment 1

Electric four-wheeled trolley as shown in Figure 1, 2, including vehicle frame 1 are equipped on rear side of the vehicle frame 1 and are rotatablely connected with it Nigger 3, nigger 3 is for controlling to adjust direction, and as support stress point；Handle is installed on the right side of the nigger 3 8, parking brake 9 is mounted on the nigger 3 and handle 8, and 8 lower end of handle is equipped with service brake 7, pacifies on the left of the service brake 7 Equipped with pedal 5, pedal 5 can be hinged on behind vehicle frame 1 or be slidably connected by hinge and 1 bottom of vehicle frame, convenient for pedal 5 into Row is hidden, and when use further takes out, and saves space, more beautiful；There are two directional wheels 4 for 1 bottom of the vehicle frame installation, described two Directional wheel 4 is connected by motor integral bar 6, battery is fixedly installed on the motor integral bar 6, battery is motor integral Motor on bar 6 is powered, and travels trolley by the rotation of motor driven directional wheel 4；Motor integral bar 6 by conducting wire with Handle 8 is electrically connected, and is controlled by handle 8 speed；Direction adjustment organization is installed inside the vehicle frame 1, passes through tune It saves mechanism and adjusts direction.

The direction adjustment organization includes turning to cross bar 11, universal wheel 15 and wheel disc 20, fixed peace inside the wheel disc 20 Equipped with distant bar 2, described distant 2 one end of bar is fixedly connected with nigger 3, and the other end and vehicle frame 1 are rotatablely connected, distant 2 outside of bar The first bearing 19 being rotatablely connected with it is installed, the setting of first bearing 19 is connected in 20 front of wheel disc and with vehicle frame 1, has Body is that distant bar 2 is fixedly installed in wheel disc 20, and first bearing 19 is installed on the outside of distant bar 2, passes through steel pipe on the outside of first bearing 19 Or square tube is fixedly connected with vehicle frame 1, wheel disc 20 is unobstructed when rotating distant bar 2 is preferred；The universal wheel 15 by wheel carrier 16 with Vehicle frame 1 is connected, and iron 14,14 other end of iron and steering 11 phase of cross bar are fixedly installed in the support leg of the wheel carrier 16 Even, it is fixedly mounted on the steering cross bar 11 there are two round iron post 12,1 inner wall of vehicle frame is also fixedly installed with the first fixed pulley 13, the second fixed pulley 17 and third fixed pulley 21, the setting of the first fixed pulley 13 are turning to 11 rear of cross bar, and described second is fixed The setting of pulley 17 is turning to above cross bar 11 and is being in the same horizontal position with wheel disc 20, and the setting of third fixed pulley 21 is turning To 11 front of cross bar, wirerope 18 is installed on the wheel disc 20, described 18 one end of wirerope passes through third fixed pulley 21 and circle Iron prop 12 is fixedly connected, and the other end sequentially passes through the second fixed pulley 17 and the first fixed pulley 13 and the fixed company of another round iron post 12 It connects, the second fixed pulley 17 is fixed at the parallel place in the right of wheel disc 20, fixes the first fixed pulley below 17 rear of the second fixed pulley since then 13, the fixed third fixed pulley 21 below 20 front of wheel disc, 18 both ends of wirerope pass through three fixed pulleys to two respectively It is strained and fixed at round iron post 12；It is by wheel carrier 16 that two universal wheels 15 are fixed in parallel, in the support leg on the lower of each wheel carrier 16 Upper to fix iron 14 respectively, two parallel 14 ends of iron drill respectively puts small bearing into, is fixed respectively with 11 both ends of cross bar are turned to One bulb is installed into the small bearing of 14 end of iron, and people stands on pedal 5, and left hand is held nigger 3 and rotated, and distant bar 2 is made It is rotated with wheel disc 20,18 one end of haulage cable is recycled the other end and released, and drives three fixed pulley rotations, plays sliding and pass The effect of power, the first fixed pulley 13 and third fixed pulley 21 are one in front and one in back arranged, and make the 18 folding and unfolding equal length of wirerope of traction, Tractive force pulls iron 14 to move to the left or to the right, and two universal wheels 15 is driven centered on turning to cross bar 11, to turn simultaneously in the same direction Dynamic, to realize people station rear, control 3 left-right rotation of nigger can be driven two universal wheels 15 in front and be precisely controlled by a small margin Rotation direction.

It opens up fluted in the wheel disc 20, is fixedly installed with iron staff in the groove, steel is installed on the outside of the iron staff Cord 18, wirerope 18 can effectively prevent wirerope 18 to skid, make to control around both ends are respectively enclosed around wheel disc 20 3 again after the circle of iron staff one System is more stable when turning to.

20 quantity of wheel disc is set as two, by the way that two wheel discs 20 are arranged, is then cooperated by two wirerope 18 While stress pulls and turns to cross bar 11, and it is more steady secured when making to turn to, it is safer.

Brake disc 10 is installed, the brake disc 10 is connected with service brake 7 and parking brake 9 respectively, brake on the inside of the directional wheel 4 Drive mechanism is the prior art, and this will not be repeated here, cooperates two parking brakes 9 that can stop to trolley by setting service brake 7 Vehicle control, can be easy to operate with emergency braking when avoiding the occurrence of emergency, and with fitting, to step on 3 points of composition steady by both hands Determine face, makes one to stand more steady when driving, it is more preferable to manipulate.

Embodiment 2

As shown in Figure 3,4, the present embodiment optimizes the direction adjustment organization of embodiment 1, the direction adjustment organization Including distant bar steel pipe 24, steering wheel 26 and wheel 28, the first universal joint 23 and the second universal joint 25 are installed in the vehicle frame 1, There are two second bearing 22, the second bearing 22 is fixed with 1 inner wall of vehicle frame respectively to be connected for installation on the outside of first universal joint 23 It connects, described first universal joint, 23 one end is connected with distant bar steel pipe 24, and the other end is connected with nigger 3, and the distant bar steel pipe 24 is another One end is connected with the second universal joint 25, and 25 other end of the second universal joint is connected with steering wheel 26, installs on rear side of the steering wheel 26 There is front axle assy 27, is equipped on the front axle assy 27 and breathes out head 29 and direction pull rod 30, the Kazakhstan head 29 and 26 phase of steering wheel Even, 30 both ends of direction pull rod are mounted on wheel 28, disc brake 31, the disc brake 31 and hand are equipped on the inside of the wheel 28 Brake 9 is connected, by the way that two second bearings 22 are fixedly mounted inside vehicle frame 1, and installation and 3 phase of nigger in second bearing 22 The first universal joint 23 even, is fixedly installed with distant bar steel pipe 24 in front of the first universal joint 23, and distant 24 front of bar steel pipe fixes the again Two universal joints 25,25 other end of the second universal joint connect steering wheel 26, and steering wheel 26 is fixed on suitable position and makes itself and second 25 junction of universal joint towards rear, the bulb of steering wheel 26 and Kazakhstan 29 holes of head of 27 structure of front axle assy connect and with preceding bridge Assembly 27 is parallel, and two wheels 28 are connect with the steering ball end at 30 both ends of direction pull rod, guarantees that two-wheeled turns to and synchronizes, rotates long When hand 3, cooperate two universal joints that rotatory force is directly reached steering wheel 26 by distant bar steel pipe 24,26 pull direction of steering wheel is drawn Bar 30 rotates, thus realize that rotation nigger 3 can accurately two wheels 28 rotate to the left or to the right before control, this scheme Also multiple universal joints can be installed in distant 24 front end of bar steel pipe or rear end, thus change position and the angle of entire distant bar steel pipe 24, Keep distant bar steel pipe 24 fixed in place according to use demand, reduces occupied space.

Intermeshing rack gear 32 and gear 33, the number of teeth of the rack gear 32 and gear 33 are installed in the steering wheel 26 Than for 1:2.

The distance between described two second bearings 22 are 5-50cm.

The upper left side of 1 rear side of vehicle frame is arranged in the nigger 3, and the upper right side of 1 rear side of vehicle frame is arranged in the handle 8, It fixes, is stood on pedal 5 in use, pedal 5 is pulled out, left hand holds nigger 3, and the right hand holds handle 8, rotates handle 8 Travel speed is adjusted, direction is adjusted by rotation nigger 3,3 stabilising surfaces is constituted with fitting to step on by both hands, makes one It stands more steady when driving, it is more preferable to manipulate.

Embodiment 3

As shown in figure 5, right-angular drive gearbox 34 is fixedly installed with inside vehicle frame 1 for convenience of fixed distant bar steel pipe 24, The distant bar steel pipe 24 is arranged inside right-angular drive gearbox 34, more saving inner space, is driven more stable, direction controlling It is more acurrate.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (9)

1. a kind of electric four-wheeled trolley, including vehicle frame (1), vehicle frame (1) rear side is equipped with long be rotatablely connected with it Hand (3), nigger (3) right side are equipped with handle (8), are mounted on parking brake (9) on the nigger (3) and handle (8), Handle (8) lower end is equipped with service brake (7), is equipped with pedal (5) on the left of the service brake (7), it is characterised in that: the vehicle frame (1) there are two directional wheel (4), described two directional wheels (4) to be connected by motor integral bar (6) for bottom installation, the motor one Battery is fixedly installed on body rod (6), motor integral bar (6) is electrically connected by conducting wire and handle (8), the vehicle frame (1) Inside is equipped with direction adjustment organization.

2. electric four-wheeled trolley according to claim 1, it is characterised in that: the direction adjustment organization includes turning to cross Bar (11), universal wheel (15) and wheel disc (20), the wheel disc (20) is internal to be fixedly installed with distant bar (2), described distant bar (2) one end It is fixedly connected with nigger (3), the other end and vehicle frame (1) are rotatablely connected, and are equipped on the outside of the distant bar (2) and are rotatablely connected with it First bearing (19), the first bearing (19) setting is connected in front of wheel disc (20) and with vehicle frame (1), the universal wheel (15) it is connected by wheel carrier (16) with vehicle frame (1), is fixedly installed with iron (14), the iron in the support leg of the wheel carrier (16) Bar (14) other end is connected with cross bar (11) are turned to, and there are two round iron post (12), institutes for fixed installation on the steering cross bar (11) It states vehicle frame (1) inner wall and is also fixedly installed with the first fixed pulley (13), the second fixed pulley (17) and third fixed pulley (21), described One fixed pulley (13) setting is turning to cross bar (11) rear, and second fixed pulley (17), which is arranged, to be turned to above cross bar (11) simultaneously It is in the same horizontal position with wheel disc (20), third fixed pulley (21) setting is turning in front of cross bar (11), the wheel disc (20) it is equipped on wirerope (18), described wirerope (18) one end passes through third fixed pulley (21) and round iron post (12) fixed company It connects, the other end sequentially passes through the second fixed pulley (17) and the first fixed pulley (13) is fixedly connected with another round iron post (12).

3. electric four-wheeled trolley according to claim 2, it is characterised in that: open up in the wheel disc (20) it is fluted, It is fixedly installed with iron staff in the groove, wirerope (18) are installed on the outside of the iron staff.

4. electric four-wheeled trolley according to claim 2 or 3, it is characterised in that: wheel disc (20) quantity is set as Two.

5. electric four-wheeled trolley according to claim 1, it is characterised in that: be equipped with brake on the inside of the directional wheel (4) Hull (10), the brake disc (10) are connected with service brake (7) and parking brake (9) respectively.

6. electric four-wheeled trolley according to claim 1, it is characterised in that: the direction adjustment organization includes distant bar steel (24), steering wheel (26) and wheel (28) are managed, the first universal joint (23) and the second universal joint are installed in the vehicle frame (1) (25), on the outside of first universal joint (23) installation there are two second bearing (22), the second bearing (22) respectively with vehicle frame (1) inner wall is fixedly connected, and described first universal joint (23) one end is connected with distant bar steel pipe (24), the other end and nigger (3) phase Even, distant bar steel pipe (24) other end is connected with the second universal joint (25), the second universal joint (25) other end and steering wheel (26) it is connected, is equipped with front axle assy (27) on rear side of the steering wheel (26), Kazakhstan head is installed on the front axle assy (27) (29) it is connected with direction pull rod (30), the Kazakhstan head (29) with steering wheel (26), direction pull rod (30) both ends are mounted on Wheel (28), wheel (28) inside are equipped with disc brake (31), and the disc brake (31) is connected with parking brake (9).

7. electric four-wheeled trolley according to claim 6, it is characterised in that: be equipped in the steering wheel (26) mutually The rack gear (32) and gear (33) of engagement, the gear ratio of the rack gear (32) and gear (33) are 1:2.

8. electric four-wheeled trolley according to claim 6, it is characterised in that: between described two second bearings (22) Distance is 5-50cm.

9. electric four-wheeled trolley according to claim 1, it is characterised in that: the nigger (3) is arranged in vehicle frame (1) The upper left side of rear side, the upper right side that the handle (8) is arranged on rear side of vehicle frame (1).