CN2806264Y

CN2806264Y - Barrow driving structure

Info

Publication number: CN2806264Y
Application number: CN 200520060855
Authority: CN
Inventors: 许朝任
Original assignee: DONGGUAN GUANXIN CHILD ARTICLE Co Ltd
Current assignee: DONGGUAN GUANXIN CHILD ARTICLE Co Ltd
Priority date: 2005-07-04
Filing date: 2005-07-04
Publication date: 2006-08-16
Anticipated expiration: 2015-07-04

Abstract

The utility model discloses a barrow driving structure. With the driving structure arranged on a barrow, the barrow can be driven by manpower or electric power. The barrow driving structure comprises a clutch means which is connected with a gear case and a motor. When the barrow is driven by manpower, the inner part of the clutch means of the driving structure is in the idling condition, and the gear case and the motor do not act; when the barrow is driven by electric power, the motor is activated, and the inner part of the clutch means automatically forms a meshed linkage relation so that the motor can drive the barrow to move forward. The barrow driving structure of the utility model can satisfy the manpower dynamic mode and the electric power dynamic mode, with convenient use and operation.

Description

The drive configuration of hand barrow

Technical field

The drive configuration of the utility model hand barrow relates to appropriate location between a kind of wheel that is installed in hand barrow, can be used for carrying out automatically the drive configuration that people's force mode or power mode switch.

Background technology

Existing hand barrow, mostly hand barrow for example for baby is to reach mobile by the manpower mode.Along with science and technology is maked rapid progress, the continuous seeking change and innovation of product, the auxiliary moving that increases electric power in hand barrow function can expect it is following trend.If will in existing hand barrow, set up electric powerplant, just technical quite easy, but consider actual running condition, might some situation under the user do not want by driven by power, and want with manpower passing hand barrow; Or when power drain, also be to pass with manpower.Obvious, if be that electric powerplant is set only,, will be unfavorable for that manpower promotes owing to continue to exist meshing relation between wheel and motor in hand barrow, even reluctantly with manpower mode mobile trolley, also easily cause the motor damage.

Hence one can see that, and an existing difficult problem that needs to solve is: not only will set up electric powerplant in hand barrow, the more necessary a kind of special drive configuration of wound that grinds is so that this hand barrow can satisfy manpower and two kinds of dynamic modes of electric power move.

Summary of the invention

The driver train of the utility model hand barrow, one of its purpose is: a kind of drive configuration is provided, it can satisfy manpower or two kinds of dynamic modes of electric power come mobile trolley, and particularly the switching of power resources is easy, can reach the purpose that meets customer's actual demand.

Another purpose of the present utility model is: utilize the setting of drive configuration, can make hand barrow pass through electrical propulsion, to reach the labour-saving purpose.

A purpose more of the present utility model is: utilizes the setting of drive configuration, this Electric hand cart still can be promoted by manpower, and irremovable awkward situation when it can avoid power drain, and can reach the purpose of protecting motor.

Above-mentioned purpose of the present utility model is achieved by the following technical solution: a kind of drive configuration of hand barrow, and it comprises:

One axostylus axostyle, its two ends correspondence disposes wheel, and wherein arbitrary wheel inner edge and arrangement of clutch are abutted against;

One arrangement of clutch, passed by axostylus axostyle, this arrangement of clutch inside includes the ratchet unit, is positioned at the ratchet unit of ratchet unit, is positioned at the plate body of ratchet unit bottom and goes into the power unit, change the position but go into interlock ratchet unit, power unit, corresponding whereby ratchet unit switches on engagement or released state;

One gear case, inside is provided with plurality of gears, and this gear case also is provided with the unit of exerting oneself, and the power unit of going into of exert oneself unit and arrangement of clutch connects group;

One motor is disposed at the gear case bottom, the unit but this motor interlock is exerted oneself.

Mainly include arrangement of clutch in this drive configuration, this arrangement of clutch connects to be organized to gear case and motor; When manpower promoted pattern, arrangement of clutch inside presented idling conditions, and this moment, hand barrow can utilize manpower to pass arbitrarily; When motor was activated by the user, arrangement of clutch inside can form meshing relation automatically with gear case, made motor can drive hand barrow whereby and advanced with power mode.

Hand barrow drive configuration of the present utility model, can decide in its sole discretion arbitrarily is to move with manpower or power mode, conversion therebetween need not set, and only needs simple pressure to press motor switch and gets final product.Be power drive mode when being the motor start, when motor cuts out, become the manpower drive pattern automatically, quite convenient in the use, can satisfy customer's actual needs.

Description of drawings

Fig. 1 is a sectional perspective exploded drawings of the present utility model;

Fig. 2 is another sectional perspective exploded drawings of the present utility model;

Fig. 3 is the internal gear scheme drawing of the utility model middle gear case;

Fig. 4 is the sectional structure chart of arrangement of clutch in the utility model;

Fig. 5 is the operating state scheme drawing of Fig. 4;

Sectional perspective movement state diagram when Fig. 6 is the utility model enforcement.

Description of reference numerals

The 2----arrangement of clutch

The 21---outer cover

The 211--opening portion

The sealed ear of 212--

The 213--screw

22---ratchet unit

The 221--continous action base

The 222--circular tooth part

The 223--accommodation space

The 224--axial region

23---ratchet unit

The 231--ratchet

The 232--knock hole

The 233--elastic parts

The 234--convex teeth portion

The 235--short slot

The 24---plate body

The 241--registration mast

25---goes into the power unit

The 251--cam body

The 252--protuberance

The 253--perforation

The 4----gear case

The 41---unit of exerting oneself

The 411--perforation

The 412--groove

The 42---gear

The 43---gear

The 44---gear

The 45---gear

The 46---gear

The 6----motor

The 8----axostylus axostyle

The 9----wheel

The 91---axle center

The 92---linked block

The specific embodiment

As shown in Figures 1 to 4, the drive configuration of the utility model hand barrow includes:

Wheel 9 is located at the hand barrow bottom, can provide hand barrow to move usefulness, and its quantity can be three or four; In a plurality of wheels 9 wherein any, its central authorities are provided with axle center 91, axle center 91 medial surfaces are provided with a linked block 92, this linked block 92 has given shape; One arrangement of clutch 2 comprises outer cover 21, ratchet unit 22, ratchet unit 23, plate body 24 and goes into power unit 25; Wherein this outer cover 21 is a hollow cover cap shape, is opening portion 211 in appropriate location such as central authorities, and other is provided with several sealed ears 212, and it can provide screw 213 to wear lock and use; This ratchet unit 22, appropriate location has a continous action base 221, and this continous action base 221 can be nested with binding with linked block 92 in passing through 211 backs, opening portion, is formed with accommodation space 223 in the ratchet unit 22, these accommodation space 223 periphery rings are provided with circular tooth part 222, are provided with axial region 224 in accommodation space 223 central authorities in addition; Ratchet unit 23 comprises two cooresponding ratchet 231, and each ratchet 231 is provided with knock hole 232 and short slot 235, and 231 of this two ratchet dispose elastic parts 233, are provided with convex teeth portion 234 in ratchet 231 lateral border appropriate locations again; This plate body 24, the folded group in ratchet unit 23 1 sides, plate body 24 is provided with two registration masts 241, and the position of this each registration mast 241 is just corresponding with the knock hole 232 of ratchet 231; This goes into power unit 25, slightly is polyhedral body, is stacked and placed on plate body 24 1 sides, goes into power unit 25 appropriate locations and is provided with cam body 251, and these cam body 251 both sides include cooresponding protuberance 252, and cam body 251 central authorities are through with perforation 253; When with ratchet unit 22, ratchet unit 23, plate body 24 with go into power unit 25 folded groups, cam body 251 can lean out in the short slot 235 of ratchet unit 23, the perforation 253 of cam body 251 can be placed by axial region 224, and 24 of ratchet unit 23 and plate bodys are obtained the location by registration mast 241 and knock hole 232; And ratchet unit 23 can be incorporated in the accommodation space 223 of ratchet unit 22 with plate body 24;

One gear case 4, inside is provided with plurality of gears 42,43,44,45,46, and appropriate location is provided with the unit 41 of exerting oneself, and is provided with groove 412 in this unit 41 of exerting oneself, and the shape of groove 412 with go into power unit 25 and conform to and can carry out combination, unit 41 central authorities of exerting oneself are provided with perforation 411;

One motor 6 is disposed at gear case 4 bottoms, but unit 41 turns of exerting oneself of linked gear case 4 when motor 6 starts;

One axostylus axostyle 8, as shown in Figure 6, its two ends edge correspondence respectively is provided with wheel 9, and axostylus axostyle 8 passes 4 of arrangement of clutch 2 and gears case.

During the present embodiment combination, axostylus axostyle 8 is passed 91 places, axle center that to stretch out and to be incorporated into wheel 9 inner edges by continous action base 221 central authorities behind perforation 411, perforation 253, the axial region 224.

When promoting hand barrow with manpower, motor 6 does not turn round, because wheel 9, axostylus axostyle 8, continous action base 221 connect to one with linked block 92, wheel 9 can make ratchet unit 22 in the lump by turn when rotating, at this moment, ratchet unit 22 is separation relation (as shown in Figure 4) with ratchet unit 23, and ratchet unit 22 is idling conditions with respect to ratchet unit 23, ratchet unit 23, go into power unit 25 and with the unit 41 of exerting oneself effect is not arranged all, the user can control advancing of wheel 9 by the manpower mode arbitrarily.

When the user desires with power mode wheel 9 to be advanced, make motor 6 runnings, see through gear case 4 and can make unit 41 rotations of exerting oneself, and then interlock is gone into 25 rotations of power unit, because going into the cam body 251 of power unit 25 is linked in the short slot 235 of ratchet unit 23, two corresponding protuberances 252 of cam body 251 can force ratchet 231 to change angle (as shown in Figure 5), outwards ratchet 231 its convex teeth portions 234 after the skew will be engaged in the circular tooth part 222 of ratchet unit 22, but to form the state of motor 6 interlock ratchet unit 22 turns, and because the continous action base 221 of ratchet unit 22 connects to one with linked block 92, so, can reach the purpose of utilizing motor 6 control wheels 9 to advance.

Aforementioned wheel 9 is following if desire to advance or retreat in power mode, as long as the just commentaries on classics or the reverse of modulation motor 6, can change the unit 41 of exerting oneself, go into power unit 25, the rotation direction of cam body 251, ratchet unit 23, ratchet unit 22 and continous action base 221, reach required travel condition whereby; Moreover, also can adjust rotating speed.

Claims

1, a kind of drive configuration of hand barrow, it is characterized in that: it comprises:

2, the drive configuration of a kind of hand barrow according to claim 1 is characterized in that: described arrangement of clutch, comprise an outer cover, and be hollow cover cap shape, central authorities are the opening portion, this outer cover also is provided with sealed ear.

3, the drive configuration of a kind of hand barrow according to claim 1 is characterized in that: described ratchet unit, and a side has a continous action base, is provided with linked block in the axostylus axostyle inboard in addition, and continous action base can link with linked block.

4, the drive configuration of a kind of hand barrow according to claim 1 is characterized in that: described ratchet is formed with accommodation space in the unit.

5, the drive configuration of a kind of hand barrow according to claim 4 is characterized in that: described accommodation space periphery ring is provided with circular tooth part.

6, according to the drive configuration of claim 4 or 5 described a kind of hand barrows, it is characterized in that: described accommodation space central authorities are provided with axial region.

7, the drive configuration of a kind of hand barrow according to claim 1 is characterized in that: described ratchet unit comprises two cooresponding ratchet.

8, the drive configuration of a kind of hand barrow according to claim 7 is characterized in that: described each ratchet is provided with knock hole and short slot, disposes elastic parts between this two ratchet.

9, the drive configuration of a kind of hand barrow according to claim 7 is characterized in that: described each ratchet lateral border is provided with convex teeth portion.

10, the drive configuration of a kind of hand barrow according to claim 1 is characterized in that: described plate body, be stacked and placed on ratchet unit one side, and plate body is provided with two registration masts, and registration mast can supply the ratchet cell location.

11, the drive configuration of a kind of hand barrow according to claim 10 is characterized in that: described registration mast is positioned in the knock hole of ratchet unit.

12, the drive configuration of a kind of hand barrow according to claim 1 is characterized in that: the described power of going into unit, body is identical with the unit of exerting oneself, and both can link.

13, the drive configuration of a kind of hand barrow according to claim 12 is characterized in that: the described power of going into unit is provided with cam body, and the cam body both sides are provided with cooresponding protuberance, and cam body central authorities are through with perforation.

14, the drive configuration of a kind of hand barrow according to claim 1 is characterized in that: the unit of exerting oneself of described gear case, be formed with groove, the shape of groove with go into that the power unit conforms to and can in conjunction with, other the unit central authorities of exerting oneself are provided with perforation.

15, the drive configuration of a kind of hand barrow according to claim 1 is characterized in that: described motor, is provided with a control and use switch, and the energy modulation just changes, counter-rotating and rotating speed.