CN2346653Y

CN2346653Y - Handcart

Info

Publication number: CN2346653Y
Application number: CN 98221864
Authority: CN
Inventors: 冯学楼
Original assignee: QINGDAO TAIFA GROUP CO Ltd
Current assignee: QINGDAO TAIFA GROUP CO Ltd
Priority date: 1998-07-15
Filing date: 1998-07-15
Publication date: 1999-11-03
Anticipated expiration: 2008-07-15

Abstract

The utility model discloses a handcart. A handcart hopper of the utility model is fixed on a handcart frame. Handle bars are extended from the back ends of two borders of the handcart frame, and wheel stand beams are extended from the front ends of the two borders of the handcart frame. A front protrusion supporting rack which is protruded out of the front edge of the handcart hopper is composed of a shaft frame beam, a vertical bracing beam, a folding back short inclined bracing beam and a cross pulling brace at the front of the hopper. A seat ear of a wheel shaft is fixed on the wheel stand beam, and a wheel assembly is arranged on the seat ear, and therefore, a complete handcart structure is formed. The utility model has the advantages of high mobility, complete and clean pouring and carrying of objects, stable handcart body, no contact of the handcart hopper with ground, convenient operation, flexible and upright handcart body, simple restoring position, and no space occupying; the utility model is suitable for packing and batch transporting.

Description

Hand barrow

The utility model relates to handbarrow manually, specifically is a kind of hand barrow, and it belongs to the power tool technical field.

Commercially available manpower hand barrow generally all comprises a wheel, a wagon box, vehicle frame and two car legs and two handlebars.This hand barrow is a kind of tip-up lorry of Dumpage type.This traditional hand barrow when toppling over contained material, often is difficult to grasp balance, and the overturning casualty accident often takes place.A kind of hand barrow is arranged, and its wagon box stretches out the vehicle frame front end, and when toppling over contained material, wagon box can in time contact with ground and reach the stable equilibrium.Yet because the too early kiss the earth of wagon box, be unfavorable for that material topples over totally.

The purpose of this utility model is to improve traditional hand barrow, and a kind of later-model hand barrow is provided.This car will have the manoevreability height, and is easy to loading and unloading, use light, flexible operation, and when toppling over loading, wagon box is not in contact with the ground, it is clean to topple over loading, the reset characteristics of simple and sensitive of car body.

Task of the present utility model has following technical scheme to realize, developed a kind of hand barrow, it comprises: wagon box, wheel, vehicle frame and handlebar thereof, the base platform of wagon box is fixed on the wale piece of vehicle frame, constitute the car body that becomes one with vehicle frame, from the both sides back end of frame of vehicle frame backward oblique upper stretch and pick out two spacings and highly all be suitable for the handlebar that human body is controlled, this two frames front end then forward tiltedly the below stretch and pick out two spacings and be suitable for the moving wheel that changes of wheel and set a roof beam in place, two these beams are in the suitable distance in distance ground, be that K/UP and edge extend to the suitable length place perpendicular to ground-surface direction, form perpendicular support beam, the oblique upper fold back extends to the wagon box forward position and connects solid on this forward position frame backward again, constitute the preceding prominent support protrude in the wagon box forward position, be symmetrically fixed with two axle block ears on setting a roof beam in place stretching two wheels that connect forward below tiltedly, this ear is provided with the axle bed hole slot that wheel set is installed; Be fixed with the car supporting leg respectively in both sides, vehicle frame rear end, two these legs be installed in wheel on this axle bed hole slot and constitute triangle that car body is in the supporting ﹠ stablizing of the horizontality structure of contacting to earth.

This hand barrow, described handlebar, its can be with vehicle frame two frames be the tubing of one, it also can be the moveable cart handle, promptly connect solid two ends at this both sides back end of frame and have the nipple of positive and reverse return to negative thread, the male end of handlebar tightly fits in this pipe, constitutes to link handlebar, or screw off this from this pipe junction and be with externally threaded handlebar, become detouchable moveable cart handle.

This hand barrow, the described wheel set a roof beam in place, it is stretched and is connected to the near end that apart from ground suitable distance is this beam, this suitably distance be 3/4～1/3 of wheel diameter, connect solid axle block ear on this beam and should be on the gravity vertical line that car body cuts thing.

This hand barrow, prominent support before described, the perpendicular support beam that the near end that its wheel of serving as reasons is set a roof beam in place is bent to form perpendicular to the ground direction to the upper edge, the bracing frame of toppling over material in the wagon box that tie rod is formed before short raker beam of fold back and the bucket, should the perpendicular suitable length that supports beam be 100～450mm, prominent the contact to earth length of support under the car body erectility before being.

This hand barrow, described axle block ear, an axle bed hole slot is set on its otic placode at least, the solid axle center-point of this hole slot preferably should be on the same horizon with the near end that wheel is set a roof beam in place, the opening direction of this hole slot, can be vertically downward, also can be to set a roof beam in place oblique or to open front along wheel, or to after-opening.

This hand barrow, described car supporting leg also can intrinsic tie rod between its two supporting leg, constitutes steady horizontality and places body shapes.

Its advantage of hand barrow of the present utility model is: owing to designed the preceding prominent support that protrudes in the wagon box forward position, make when toppling over material or car body when being in erectility, the perpendicular support beam of this support can contact and support whole locomotive body with ground, and has enough firm effects.This moment, wagon box was also not in contact with the ground, and there is certain space on wagon box forward position and ground, can dump accumulation for material, made in the wagon box and can not retain material.The weight that the while wagon box need not to bear whole locomotive body and contained material also can select for use more frivolous sheet material to make wagon box.Because having designed from the rear end, both sides of vehicle frame backward oblique upper stretches two spacings that connect and highly all is suitable for the handlebar that human body is controlled.When car body was in the horizontal positioned state, the 500～700mm terminal above ground level of handlebar can make manually standing in of general height raise one's hand between two handlebars and can operate operation.The soft grip of handlebar end makes more that people's handle is comfortable does not hinder hand, not slippage.This handlebar also is designed to the moveable cart handle.When car need not be deposited, this moveable cart was screwing off this moveable cart handle from the nipple that is located on the frame rear end, in order to depositing.Since design-calculated wheel set a roof beam in place be from the vehicle frame front end forward tiltedly the below stretch that to be connected to apart from ground be the section bar (pipe) of wheel diameter 3/4～1/3 distance.This Liang Shangyou is fixed with the axle block ear.This ear and axle bed hole slot thereof can make the attachment point of axletree and take turns the near end of setting a roof beam in place and be on the same horizon.Like this, when toppling over material, the perpendicular support beam of the support of dashing forward before this ear can make is kiss the earth as early as possible.When the car body loading moved, this ear can make loading action of gravity above the wheel in the car body center, reached the low and pulsation-free effect of operation center of gravity.Embodiment of the present utility model further specifies as follows in conjunction with the accompanying drawings:

Fig. 1 is the block diagram of hand barrow.

Fig. 2 is the structural front view of hand barrow.

Fig. 3 is the structure upward view of hand barrow.

Fig. 4 is the running condition block diagram (car body just has been lifted state) of hand barrow.

Fig. 5 is the running condition block diagram (car body is under the erectility and topples over material) of hand barrow.

Referring to Fig. 1-3, make hand barrow, include: wagon box 1, wheel 2,

vehicle frame

4,15 and handlebar 3.The base platform of wagon box 1 is by screw 4 ' be fixed on the wale piece 4 of vehicle frame, constitute with

vehicle frame

4,15 be the car body of one.The antetheca of wagon box 1 becomes 30-70 degree angle with horizon, best angle is 45 ℃～60 ℃.Wagon box 1 forward position outward flanging.The size of wagon box 1 can be selected arbitrarily, and its volume is generally at 0.12-0.16m ³Oblique upper is stretched and is picked out two spacings and highly all be suitable for the handlebar 3 that body is controlled backward from two frames, 15 rear ends of vehicle frame 4,15.These two frames, 15 front ends then forward tiltedly the below stretch and pick out two spacings (250～300mm, the wheel that is suitable for wheel 2 runnings sets a roof beam in place 5.Two these beams 5 are in the suitable distance in distance ground, and promptly K/UP and edge extend to the suitable length place perpendicular to ground-surface direction and form perpendicular support beam 7.This set a roof beam in place 5 apart from ground suitable distance is exactly this near end 6 of 5 of setting a roof beam in place, its apart from ground suitably distance generally elect 1/2 of wheel 2 diameters as.The suitable length of perpendicular support beam 7 is selected the long section bar of 100mm at least.By perpendicular support beam 7 upper ends more backward the oblique upper fold back extend to wagon box 1 forward position and connect solid on this forward position frame 10, thereby constitute the preceding prominent support in outstanding dry turning bucket 1 forward position.Set a roof beam in place that symmetry is fixedly welded with two axle block ears 11 on 5 stretching two wheels that connect forward below tiltedly.This ear 11 should be on the gravity vertical line of car body loading, and is good more the closer to car body loading center of gravity.This ear 11 is provided with the axle bed hole slot 17 that wheel 2 assemblies are installed.Be fixed with the car supporting leg 13 that band is reinforced tie rod 14 respectively in both sides,

vehicle frame

4,15 rear end.Two this legs 13 be installed in wheel 2 on this axle bed hole slot 17 and constitute triangle that car bodies are in the supporting ﹠ stablizing of the horizontality structure of contacting to earth.

The handlebar 3 that this hand barrow is designed, it can be to be the tubing of one with vehicle frame two frames 15.Also can be moveable cart 3, promptly have the nipple 16 of positive and reverse return to negative thread at the solid two ends of this two frame 15 back terminations, the male end of handlebar 3 can tightly fit in this pipe 16, constitutes binding handlebar 3.Or manage 16 junction from this and screw off this and be with externally threaded handlebar 3, become demountable moveable cart 3.The end of handlebar 3 respectively has a soft grip 18, and the institute that is more convenient for holds and pushes away and comfortable.

The preceding prominent support that this hand barrow is designed, its wheel of the serving as reasons perpendicular support beam 7 that 5 near end 6 is bent to form perpendicular to the ground direction to the upper edge of setting a roof beam in place, the bracing frame of toppling over material 19 in the wagon box that tie rod 9 is formed before short raker beam 8 of fold back and the bucket.The suitable length that should erect support beam 7 preferably is selected in 250～350mm and is advisable.This support is in service in go-cart, also has the effect of crash-proof insurance guard beam.

The axle block ear 11 that this hand barrow is designed is provided with an axle bed hole slot 17 at least so that axletree 12 to be installed on its otic placode.Operated by rotary motion two these hole slot 17 or through holes.This two pairs of hole slots 17 are available suitable a pair of, are used to install the axletree 12 of wheel 2 assemblies.The solid axle center-point of this hole slot 17 preferably should be on the same horizon with set a roof beam in place 5 near end 6 of wheel.Like this, when toppling over material 19, this ear can make wheel 5 near end 6 kiss the earth as early as possible of setting a roof beam in place, and contacts to earth gradually in order to perpendicular support beam 7, thereby car body is erected, and material 19 is toppled over out.The opening direction of this hole slot 17 is oblique aft-opening along wheel carrier roof beam structure 5, and one under shed, is beneficial to convenient wheel 2 assemblies of installing.

This hand barrow practices in carrying material 19 referring to Fig. 4～5.When handlebar 3 is lifted about 40 when spending, set a roof beam in place 5 near end 6 of wheel at first contacts with ground, and this point can be known from Fig. 4 and find out.Under Fig. 4 car body state, handlebar 3 becomes 50 degree angles with ground, and under Fig. 2 car body horizontal positioned state, handlebar becomes 10 degree angles with ground, and both differ 40 degree.In service at car body like this, these two angles differ then to be spent less than 40, is easy to keep the car body balance.

Set a roof beam in place 5 near end 6 when contacting with ground when the wheel of car body, promptly form the fulcrum of lever, as shown in Figure 4.Loading material 19 in the wagon box 1 just begins to glide and tilts to flow out.When material 19 outwards slided, the carrying center of gravity moved forward, and can make car body be lifted more wide-angle at an easy rate.Operation manually can be easy to control car body and continue to topple over material 19.When the perpendicular support beam 7 of car body contacted to earth fully, car body was under the erectility, as shown in Figure 5, material 19 can topple over to the greatest extent to go out under the support of preceding prominent support fully, and this moment car body also be in firm erectility, the hand barrow floor area of erectility is little, take off handlebar after parking space littler.

Claims

1, a kind of hand barrow, it comprises: wagon box, wheel, vehicle frame and handlebar thereof, it is characterized in that: the base platform of wagon box is fixed on the wale piece of vehicle frame, constitute the car body that becomes one with vehicle frame, from the both sides back end of frame of vehicle frame backward oblique upper stretch and pick out two spacings and highly all be suitable for the handlebar that human body is controlled, this two frames front end then forward tiltedly the below stretch and pick out two spacings and be suitable for the moving wheel that changes of wheel and set a roof beam in place, two these beams are in the suitable distance in distance ground, be that K/UP and edge extend to the suitable length place perpendicular to ground-surface direction, form perpendicular support beam, the oblique upper fold back extends to the wagon box forward position and connects admittedly on this forward position frame backward again, constitutes the preceding prominent support that protrudes in the wagon box forward position, be symmetrically fixed with two axle block ears on setting a roof beam in place stretching two wheels that connect forward below tiltedly, this ear is provided with the axle bed hole slot that wheel set is installed; Be fixed with the car supporting leg respectively in both sides, vehicle frame rear end, two these legs be installed in wheel on this axle bed hole slot and constitute triangle that car body is in the supporting ﹠ stablizing of the horizontality structure of contacting to earth.

2, according to the described hand barrow of claim 1, it is characterized in that: described handlebar, its can be with vehicle frame two frames be the tubing of one, it also can be the moveable cart handle, promptly connect solid two ends at this both sides back end of frame and have the nipple of positive and reverse return to negative thread, the male end of handlebar tightly fits in this pipe, constitutes to link handlebar, or screw off this from this pipe junction and be with externally threaded handlebar, become detouchable moveable cart handle.

3, according to the described hand barrow of claim 1, its feature is at son: the described wheel set a roof beam in place, it is stretched and is connected to the near end that apart from ground suitable distance is this beam, this suitably distance be 3/4～1/3 of wheel diameter, connect solid axle block ear on this beam and should be on the gravity vertical line that car body cuts thing.

4, according to claim 1 or 2 described hand barrows, it is characterized in that: prominent support before described, the perpendicular support beam that the near end that its wheel of serving as reasons is set a roof beam in place is bent to form perpendicular to the ground direction to the upper edge, the bracing frame of toppling over material in the wagon box that tie rod is formed before short raker beam of fold back and the bucket, should the perpendicular suitable length that supports beam be 100～450mm, prominent the contact to earth length of support under the car body erectility before being.

5, according to claim 1 or 3 described hand barrows, it is characterized in that: described axle block ear, an axle bed hole slot is set on its otic placode at least, the solid axle center-point of this hole slot preferably should be on the same horizon with the near end that wheel is set a roof beam in place, the opening direction of this hole slot, can be vertically downward, also can be to set a roof beam in place oblique or to open front along wheel, or to after-opening.

6, according to the described hand barrow of claim 1, it is characterized in that: described car supporting leg, also can intrinsic tie rod between its two supporting leg, constitute steady horizontality and place body shapes.