CN203528528U - Wheel-type trolley - Google Patents

Abstract

The utility model relates to a wheel-type trolley. The wheel-type trolley comprises a basket (1), a supporting frame (2), idler wheels (3 and 5) and a keeping component (4), wherein the basket (1) is supported by the supporting frame (2) located between the idler wheels (3 and 5) and the basket (1), and the idler wheels (3 and 5) comprise the front idler wheels (3) and the rear idler wheels (5). The wheel-type trolley is characterized in that the keeping component (4) comprises a transverse section (401) at least, the transverse section (401) is located below idler wheel top planes (354) comprising highest points of at least three idler wheels and is located between the front idler wheels (3), and the length of the transverse section (401) is smaller than the distance between the front idler wheels (3). The wheel-type trolley achieves the technical effect that the inclination of the basket (1) is reduced when the wheel-type trolley runs on an inclined plane.

Description

Wheel-type hand carts

Technical field

The utility model relates to wheel-type hand carts, and it comprises basketry, bracing frame, roller and holding member, and wherein, support frame as described above supports described basketry, and between described roller and described basketry; Described roller comprises front wheel and rear roller, wherein, described roller is connected with support frame as described above independently of one another, and described roller can roll on the ground around the first rolling axis, and can swing or rotate around the second axis of oscillation, wherein, described the first rolling axis is perpendicular to described the second axis of oscillation; Described holding member is connected with support frame as described above, and the holding device that described holding member can be transferred on the chain of system holds, thereby described wheel-type hand carts can move with described chain; Described holding member is not directly connected with the first rolling axis body of described roller.

Background technology

The pipe link that the hand barrow of the shopping use of the uses such as current market all has basketry, supported on both sides frame, front and back two row's rollers and connects supported on both sides frame.Bracing frame is between roller and basketry, so the direct-connected extension bar of the connection supported on both sides frame of hand barrow, it is highly bound to higher than the roller of hand barrow.

Application number is the Supermarket trolley that the utility model patent of CN200920199275.7 discloses a kind of novelty, mainly comprise hoop, underframe, castor, handrail net, backrest net, seat board etc., described underframe rear portion is provided with connecting panel, underframe front portion is provided with the stirrup with screw, connecting panel catches on hoop rear end bottom, and stirrup fixes by hoop check screw and pressing plate and hoop front bottom end.

Application number is a kind of handcart for shopping in supermarkets of the utility model patent of CN201020582535.1, belongs to commercial facility technical field.Comprise a vehicle frame, the bottom of vehicle frame is provided with roller, on the top of vehicle frame, is connected with handrail, and handrail comprises the first standpipe and the second standpipe, one by underframe sheet, left, right frame sheet, front frame sheet and after-frame sheet combination with one another and the framework that forms, feature is: a left side, right frame sheet and front frame sheet one are configured to ship shape, at left frame sheet, towards the upper of one end of the first standpipe, along forming first, hook together mechanism, at right frame sheet, towards the upper of one end of the second standpipe, along forming second, hook together mechanism, first, hook together and in mechanism, be equipped with the first butt hook, second, hook together and in mechanism, be equipped with the second butt hook, on the first standpipe, offer the first insert port, on the second standpipe, offer the second insert port, the first butt hook and the first insert port phase inserting, the second butt hook and the second insert port phase inserting.

Yet, in prior art, because hand barrow is for specific delivery system, and pipe link is during as the point of action of delivery system traction hand barrow, due to the restriction of structure and the large angle of inclination of delivery system, cause hand barrow can occur significantly to tilt in delivery system.

Patent documentation CN1328512 discloses a kind of improved perambulator, shopping cart or allied equipment, and it includes a underframe with wheel, and on this underframe, carries a lathe, mounting or a box hoop.This underframe consists of two base portions, an anterior and rear portion, wherein, rear portion is substantially vertical pivot by one and is connected with front portion, and realize rotation by pivot, thereby improve described perambulator, the sensitieness that the allied equipments such as shopping cart are controlled in narrow space.

Patent documentation CN201329883 discloses a kind of folding suitcase type multifunctional shopping cart, by a car body and hand basket, formed, car body can be put into hand basket, car body is comprised of main shaft (2-1), countershaft (2-0), front vehicle wheel assembly (7), the many connecting rods of U-shaped sliding sleeve (6) and slide block (2-2) and forms chain connection, and U-shaped sliding sleeve connecting rod (6-1) (6-3) both sides is provided with dowel hole (2-9) and axially movable pin (2-10).The utility model without special bolt fix, practical and convenient, range of use is extensive, design concept has exceeded market shopping cart and perambulator class category, the graceful atmosphere of profile is simple in structure, launches freely.The utility model takes up room little, and usage space is large, makes the Applicable scope features such as more extensively product weight is light in addition, and holding capacity is strong, and all car bodies are all that integrated formed structure significantly promotes fiduciary level.

Patent documentation CN2633692 discloses a kind of folding multipurpose shopping trolley, keystone configuration is comprised of storage tank, hand-push apparatus, wheel assembly, magnetic therapy handle, adopted full foldover design, storage tank Foldable, deployablely become casing storing, the seat of having a rest, pull bar is scalable, lifting, rotation, magnetic patch is housed on handle, can carry out magnetic massage, this structure is tightly played, and volume is little, easily manufactures, fold, launch rapidly, being easy to carry, integrating shopping, the seat of having a rest, massage, is desirable collapsible multiplex hand barrow tool.

Patent documentation CN1692050 discloses a kind of stackable shopping trolley (1), it comprises that one for keeping the basket (3) of article, the rear portion of this basket (5) is formed by a vertical folding piece (6), this vertical folding piece can be pivoted into the inside of basket, and can be used to hold a child, described vertical folding piece (6) has a supporting walls (7) that is provided with the opening of stretching one's legs (8), be provided with vertical rod (17) and be arranged on supporting walls (7) upper with can be around a rear wall (12) and a seat (20) of a horizontal axis (10) pivotable, it is upper moving around a horizontal axis (14a) that this seat is arranged on supporting walls (7), and be bearing on rear wall (12) by means of support fingers (22), described support fingers (22) is bonded on rear wall (12) afterwards, so that each support fingers (22) rests on a vertical rod (17), wherein, rear wall (12) is suitable for holding pivotable under a child vertical folding piece (6) use state and leaves supporting walls (7) in the folding piece (6) of hanging down, and rest on supporting walls (7) in the not use location of folding piece (6) of hanging down.Its feature of the present invention is, between two of rear wall (12) adjacent vertical rods (17), a widened section (18) is set, and this widened section is used for inserting in all support fingers (22) in the process of folding piece (6) is hung down in assembling; And when rear wall (12) pivotable, seat (20) slides along the inner side (25) of rear wall (12) adjacent to the edge (16) of rear wall (12).

In above-mentioned four pieces of patent documentations, disclosed hand barrow differs from one another, but is not quite similar in technical scheme aspect with the supermarket shopping hand barrow with basketry using in enormous quantities.Handcart for shopping in supermarkets structure is very simple, thereby with low cost, and they can longitudinally superpose, thereby saves valuable parking space.Handcart for shopping in supermarkets is because needs are turned flexibly, thereby each wheel can rotate around vertical axis individually, and this feature has determined to adopt lateral shaft to connect the technical scheme of the wheel of hand barrow both sides.Above-mentioned four pieces of patent documentations both do not had to propose to advance under high spud angle situation basketry of middle hand barrow too tilts and may cause article in basketry to drop out this technical matters, does not also provide the technical scheme that solves this technical matters.

Utility model content

For this reason, the utility model proposes and reduce holding member or cross bar from the technical scheme of the height of the chain of delivery system.

For this reason, the utility model proposes wheel-type hand carts, it comprises basketry, bracing frame, roller and holding member, wherein,

Support frame as described above supports described basketry, and between described roller and described basketry,

Described roller comprises front wheel and rear roller, wherein, described roller is connected with support frame as described above independently of one another, and described roller can roll on the ground around the first rolling axis, and can swing or rotate around the second axis of oscillation, wherein, described the first rolling axis is perpendicular to described the second axis of oscillation

Described holding member is connected with support frame as described above, and the holding device that described holding member can be transferred on the chain of system holds, thereby described wheel-type hand carts can move with described chain,

Described holding member is not directly connected with the first rolling axis body of described roller;

It is characterized in that, described holding member at least comprises transverse part section, wherein, described transverse part section can be held by the holding device on the chain of described delivery system, and, described transverse part section is positioned at plane below, roller top, and wherein, described roller top plane comprises the vertex of at least three described rollers;

And described transverse part section is positioned between described front wheel, and the length of described transverse part section is less than the distance between described front wheel.

According to other technical scheme of the present utility model, it can also comprise following one or more technical characterictic.As long as the combination of such technical characterictic is enforceable, the new technical scheme forming thus all belongs to a part of the present utility model.

Preferably, described transverse part section does not forwards exceed the extremely front bus of described front wheel in the vertical, wherein, the extremely front bus of described front wheel refers to: under the situation of the position the most on the front that can reach in the vertical around its second axis of oscillation rotation at described front wheel, and the bus the most on the front of the rolling periphery of described front wheel.

Preferably, described transverse part section in the vertical described front wheel extremely before bus and extremely after between bus, wherein, described front wheel extremely after bus refer to: described front wheel around its second axis of oscillation rotate and can reach in the vertical by under the situation of rear position, the bus that leans on rear most of the rolling periphery of described front wheel.

Advantageously, support frame as described above comprises the first support body and the second support body; Described holding member is the pipe link that connects described the first support body and described the second support body, and described transverse part section is that the bottom that described pipe link carries out the ship shape body after ship shape bending is divided.

Preferably, described holding member by cylinder bar by being bent to form.

Preferably, described holding member can swing around the 3rd axis of oscillation, and can be locked in corresponding swing position, wherein, two point of connection that described the 3rd axis of oscillation is connected with described the second support body with described the first support body through described holding member.

Advantageously, support frame as described above comprises the first support body and the second support body;

Cross bar connects described the first support body and described the second support body;

Described holding member comprises the first branch, transverse part section, the second branch, and wherein, the first end of described the first branch is connected with described the first support body, and the second end of described the first branch is connected with described transverse part section; The first end of described the second branch is connected with described the second support body, and the second end of described the second branch is connected with described transverse part section.

Preferably, described the first branch and described the second branch are trapped on described cross bar.

Advantageously, support frame as described above comprises the first support body and the second support body;

Cross bar connects described the first support body and described the second support body;

Described holding member comprises the first branch, transverse part section, the second branch, and wherein, the first end of described the first branch is connected with described cross bar, and the second end of described the first branch is connected with described transverse part section; The first end of described the second branch is connected with described cross bar, and the second end of described the second branch is connected with described transverse part section.

Preferably, described holding member can swing around described cross bar, and can be locked in corresponding swing position.

The utility model has reached and has reduced wheel-type hand carts technique effect of the degree of dip of basketry in traveling process on dip plane.

Accompanying drawing explanation

With reference to accompanying drawing, the description of feature of the present invention, advantage and the characteristic specific embodiment by is below able to better understanding, in accompanying drawing:

Fig. 1: the three-dimensional view of wheel-type hand carts of the prior art;

Fig. 2: the three-dimensional view of the wheel-type hand carts of another type of the prior art;

Fig. 3: the front view of the wheel-type hand carts that supermarket of the prior art is used, wherein, cross bar integral body is in the position higher than roller;

Fig. 4: the view of the wheel-type hand carts that the supermarket shown in Fig. 3 of the prior art is used, wherein, described cross bar is trapped in the holding device of chain of delivery system;

Fig. 5: the front view of the wheel-type hand carts of preferred embodiment of the present utility model, wherein, the cross bar of ship shape part is in the position lower than the vertex of roller;

Fig. 6: the view of the wheel-type hand carts of preferred embodiment of the present utility model, wherein, described cross bar is trapped in the holding device of chain of delivery system;

Fig. 7: the lateral plan of the wheel-type hand carts of preferred embodiment of the present utility model;

Fig. 8: the front view of the wheel-type hand carts of preferred embodiment of the present utility model;

Fig. 9: the three-dimensional view of the wheel-type hand carts of another preferred embodiment of the present utility model;

Figure 10: the partial view of the wheel-type hand carts of preferred embodiment of the present utility model, wherein, front wheel is in leaning on most rear position;

Figure 11: the partial view of the wheel-type hand carts of preferred embodiment of the present utility model, wherein, front wheel is in the most forward position, and this is by obtaining around described the second axis of oscillation (351) Rotate 180 degree in the front wheel by rear position in Figure 10.

In the drawings, same or similarly element use same figure notation, different elements is used different figure notations, wherein:

1 basketry

2 bracing frames

201 first support bodys

202 second support bodys

241 point of connection

242 point of connection

3 rollers, front wheel

31 extremely front buses

32 extremely rear buses

350 first rolling axis

351 second axiss of oscillation

353 vertexs

354 roller top planes

355 first rolling axis bodies

356 second swing axis body

4 holding members

401 transverse part sections

402 cross bars

403 first branches

404 second branches

5 rollers, rear roller

6 push strut

7 rear connecting rods

As shown in the double-head arrow L of Fig. 1, the longitudinal direction of wheel-type hand carts is defined as the length direction of wheel-type hand carts.As shown in the double-head arrow T of Fig. 2, the horizontal direction of wheel-type hand carts is defined as the Width of wheel-type hand carts.The highs and lows of roller is defined as: for the plane being placed on it with respect to roller, pass the first rolling axis of roller and intersect at 2 points perpendicular to the straight line of described plane and the rolling circumference outside face of roller, wherein, intersection point away from described plane is vertex, with the intersection point of described Plane intersects be nadir.The front and rear direction of wheel-type hand carts is defined as: with regard to the longitudinal direction of wheel-type hand carts, the rear that the end at push strut 6 places that the user of wheel-type hand carts grips is described wheel-type hand carts, the end relative with described rear of wheel-type hand carts is the place ahead.The upper and lower of wheel-type hand carts is to being defined as: with regard to the vertical direction under wheel-type hand carts normal operating condition, a side at roller place is below, and a side at push strut place is top.

The specific embodiment

Fig. 1 illustrates patent documentation CN1328512(application number CN99813611.5) disclosed hand barrow, wherein the roller of both sides links together by an axis body, and each roller can only rotate around its rolling axis.Such hand barrow cannot wear in the vertical and be superimposed, because the connection axis body of roller has stoped the so nestable of hand barrow.Within described adapter shaft body is positioned at the tread rolling circle outer surface of column of two rollers, and described connection axis body directly links together with described two rollers.

Fig. 2 illustrates patent documentation CN1692050(application number CN200380100184.9) disclosed hand barrow, wherein roller is connected on the bracing frame of hand barrow independently of one another.Support frame as described above has a cross bar, and described cross bar is positioned at the vertex below of described roller.As can be seen from Figure 2, described cross bar exceeds outside the tread rolling circle outer surface of column of front wheel, namely exceeds the First Point of front wheel.Described cross bar is not positioned between described two front wheels, and the distance of described cross bar is greater than the distance between described two front wheels.Such cross bar easily bumps against other article, has a negative impact to advancing of hand barrow.

The cross bar that the hand barrow of the shopping use of the uses such as current market all has basketry, supported on both sides frame, front and back two row's rollers and connects supported on both sides frame.Bracing frame is between roller and basketry, so the straight cross bar of the connection supported on both sides frame of hand barrow, it is highly bound to higher than the roller of hand barrow.As shown in Figure 3.Like this, hand barrow is for specific delivery system, and cross bar is during as the point of action of delivery system traction hand barrow, due to the restriction of structure and the large angle of inclination of delivery system, causes hand barrow can occur significantly to tilt in delivery system, as shown in Figure 4.

Main design idea of the present utility model is, in order to reduce even to eliminate the inclination situation of hand barrow, because chain is arranged in the bottom of basketry, can not reduce again in the situation of trailing wheel height, by the anterior lifting of hand barrow, it is a reasonable measure, reach to reduce and, even eliminate the object of inclination.

The utility model is lowerd the cross bar position that is used as drawing thing, as shown in Figure 5, realizes the front end of raising hand barrow, reduces the object of the tilt condition of hand barrow, as shown in Figure 6.

On the fore-and-aft direction of hand barrow, while considering that connecting cross bar too arranges to the inside, cross bar will approach the horizontal projection of the center of gravity of hand barrow, has affected stability when delivery system is drawn hand barrow, if outside is arranged too forward, while away from the center of gravity of hand barrow in the projection of level, still, when hand barrow is carried out on general ground, cross bar will protrude from the remainder of whole hand barrow, may easily produce other problems, as clash into short object, and people is difficult for observing.

For this reason, the utility model proposes the design plan that is different from prior art.According to basic embodiment of the present utility model, as shown in FIG. 7 and 8, wheel-type hand carts comprises basketry 1, bracing frame 2, roller 3,5 and holding member 4, wherein, and the described basketry 1 of support frame as described above 2 supporting, and be positioned between described roller 3,5 and described basketry 1.As shown in Figure 7, bracing frame 2 is reverse V-shaped, and the leading section of the leading section of basketry 1 and bracing frame 2 is at a distance of a definite distance.For two wheel-type hand carts before and after guaranteeing can before and after be nested in together, the lower edge of the leading section of basketry 1 is greater than the lower edge of rearward end of basketry 1 apart from the height on ground apart from the height on ground.Clearly, the rear connecting rod 7 of support frame as described above 2 can not be too low, otherwise two of front and back wheel-type hand carts fully front and back is nested in together.As shown in Figure 8, the optimum position of rear connecting rod 7 is the position, pinnacle of the bracing frame of the described V of falling.

As shown in Figure 5, described roller 3,5 comprise front wheel 3 and rear roller 5, wherein, and described roller 3,5 are connected with support frame as described above 2 independently of one another, and described roller 3,5 can roll on the ground around the first rolling axis 350, and can swing or rotate around the second axis of oscillation 351, wherein, described the first rolling axis 350 is perpendicular to described the second axis of oscillation 351.Described roller 3,5th, cardan wheel, can roll in the either direction of 360 degree, and this is conducive to user and in supermarket, promotes easily hand barrow.For this reason, two rollers directly can not be linked together.Alternatively, described the first rolling axis 350 is vertically intersected on described the second axis of oscillation 351.Preferably, as shown in Figure 9, described the first rolling axis 350 perpendicular to but do not intersect at described the second axis of oscillation 351.

As illustrated in Figures 5 and 6, described holding member 4 is connected with support frame as described above 2, and the holding device that described holding member 4 can be transferred on the chain of system holds, thereby described wheel-type hand carts can move with described chain.In fact, in the prior art, as shown in Figure 3, described holding member 4 is front rods of bracing frame.The position of front rod can reduce as far as possible, because front rod can not affect the front and back intussusception of two wheel-type hand carts in front and back.This is also improvement direction of the present invention.

As shown in Figure 5, described holding member 4 is not directly connected with the first rolling axis body 355 of described roller 3,5.In fact, due to described roller 3,5th, cardan wheel, therefore, can not directly link together the first rolling axis body 355 of two described rollers 3,5.Particularly, the first rolling axis body 355 of two described front wheels 3 can not directly link together.The first rolling axis body 355 of two described rear rollers 5 can not directly link together.Optionally, described holding member 4 swings axis body 356 with second of described roller 3,5 and is directly connected, and such configuration can not affect the rolling of described roller 3,5.

The difference of the utility model and prior art is, as shown in Fig. 8 or 9, described holding member 4 at least comprises transverse part section 401, wherein, as shown in Figure 6, described transverse part section 401 can be held by the holding device on the chain of described delivery system, and, described transverse part section 401 is positioned at plane 354 belows, roller top, and wherein, described roller top plane 354 comprises the vertex 353 of at least three described rollers.Detailed description about holding device is recorded, can be referring to same applicant's patent application CN201310352592.0 or CN201320496100.9.Described transverse part section 401 is fully reduced, thereby the leading section of described basketry 1 is fully raise.It will be appreciated by persons skilled in the art that described transverse part section also can be the inclination of smaller angle with horizontal direction, for example, be less than the inclination of 10 degree, not affect holding device on the chain of described delivery system, hold and be advisable.

And described transverse part section 401 is between described front wheel 3, and the length of described transverse part section 401 is less than the distance between described front wheel 3.As shown in Fig. 8 or 9, described transverse part section 401 is between two described front wheels 3.Be understandable that, front wheel 3 can not only have two, but for example can have four: on the first support body 201 of support frame as described above 2, two front wheels 3 are set, and on the second support body 202 of support frame as described above 2, two front wheels 3 are set.In the case, between the described transverse part section 401 described front wheel 3 and the front wheel 3 of the second support body 202 on the first support body 201.Alternatively, the length of described transverse part section 401 is 5/6,3/4,2/3,1/2 of distance between described front wheel 3, to facilitate described holding device to hold, is advisable.

Above-mentioned design plan reaches the technique effect of the tilt condition of abundant minimizing hand barrow.

According to the preferred implementation of wheel-type hand carts of the present utility model, described transverse part section 401 does not forwards exceed the extremely front bus 31 of described front wheel 3 in the vertical, wherein, the extremely front bus 31 of described front wheel 3 refers to: under the situation of the position the most on the front that can reach in the vertical around its second axis of oscillation, 351 rotations at described front wheel 3, and the bus the most on the front of the rolling periphery of described front wheel 3.In other words, described portion section 401 is positioned at the rear of the extremely front bus of described front wheel 3 in the vertical.As shown in Figure 9, described front wheel 3 rotates and in the vertical in position the most on the front around its second axis of oscillation 351, now, the bus 31 of the rolling periphery of described front wheel 3 is the most forward buses 31 in all roller states, is simply referred to as extremely front bus 31.Because described transverse part section 401 does not protrude from the remainder of whole hand barrow, thereby be difficult for producing that other problems---for example clashes into short object---and people is difficult for observing.

More preferably, described transverse part section 401 in the vertical described front wheel 3 extremely before bus 31 and extremely after between bus 32, wherein, described front wheel 3 extremely after bus 32 refer to: described front wheel 3 around its second axis of oscillation rotate 351 and can reach in the vertical by under the situation of rear position, the bus that leans on rear most of the rolling periphery of described front wheel 3.As shown in Figure 8, described front wheel 3 is around its second axis of oscillation, 351 rotations and in the vertical in leaning on most the position at rear, now, the bus 31 of the rolling periphery of described front wheel 3 is the buses 32 after leaning on most in all roller states, is simply referred to as extremely rear bus 32.Such configuration guarantees can not hinder the abundant front and back intussusception of front and back two hand barrows.

According to another preferred implementation of hand barrow of the present utility model, as shown in Figure 8, support frame as described above 2 comprises the first support body 201 and the second support body 202; Described holding member 4 is the pipe links 4 that connect described the first support body 201 and described the second support body 202, and described transverse part section 401 is that the bottom that described pipe link 4 carries out the ship shape body after ship shape bending is divided.In this design plan, the pipe link 4 shown in Fig. 3 is bent into the ship shape shape shown in Fig. 8 downwards.The ship shape here refers to the lines of outline shape of the lateral plan of typical ship.This is the most directly improving that the hand barrow of the prior art of Fig. 3 is made, and reduces the height of holding member 4, thereby has effectively reached the inclined degree of basketry 1 when minimizing wheel-type hand carts is advanced on inclined-plane.

Alternatively, described holding member 4 by cylinder bar by being bent to form.Be understandable that, described holding member 4 by square, flat or oval-shaped bar by being bent to form.

Described holding member 4 is directly welded on support frame as described above 2.

As modification, with reference to Fig. 5, described holding member 4 can swing around the 3rd axis of oscillation 40, and can be locked in corresponding swing position, wherein, two point of connection 241,242 that described the 3rd axis of oscillation 40 is connected with described the second support body 202 with described the first support body 201 through described holding member 4 or connecting portion.Described holding member 4 is flexibly connected with described the first support body 201 and described the second support body 202.Position local device can be ratchet locking mode, porous-pin lock mode or gear-tooth bar lock mode.

According to another embodiment of wheel-type hand carts of the present utility model, as shown in Figure 9, support frame as described above 2 comprises the first support body 201 and the second support body 202; Cross bar 402 connects described the first support body 201 and described the second support body 202; Described holding member 4 comprises the first branch 403, transverse part section 401, the second branch 404, and wherein, the first end of described the first branch 403 is connected with described the first support body 201, and the second end of described the first branch 403 is connected with described transverse part section 401; The first end of described the second branch 404 is connected with described the second support body 202, and the second end of described the second branch 404 is connected with described transverse part section 401.

Preferably, as shown in Figure 9, described holding member 4 is made by flat sheet material.Described holding member 4 is single piece, and described the first branch 403, transverse part section 401, the second branch 404 are by forming described flat sheet material bending.Described holding member 4 is fixed on support frame as described above 2.

Alternatively, described holding member 4 is made by circle, square or oval-shaped bar.Described holding member 4 is split parts, and transverse part section 401 is riveted in described the first branch 403 and the second branch 404.Described holding member 4 is fixed or is welded on support frame as described above 2 by bolt.

Preferably, described the first branch 403 and described the second branch 404 are trapped on described cross bar 402.Such configuration has increased the rigidity of described holding member 4 and the stability of transverse part section 401.

According to another embodiment of wheel-type hand carts of the present utility model, support frame as described above 2 comprises the first support body 201 and the second support body 202; Cross bar 402 connects described the first support body 201 and described the second support body 202; Described holding member 4 comprises the first branch 403, transverse part section 401, the second branch 404, and wherein, the first end of described the first branch 403 is connected with described cross bar 402, and the second end of described the first branch 403 is connected with described transverse part section 401; The first end of described the second branch 404 is connected with described cross bar 402, and the second end of described the second branch 404 is connected with described transverse part section 401.Such configuration structure is simpler, and described holding member 4 is can be directly soldered or be bolted on described cross bar 402.

Alternatively, described holding member 4 can swing around described cross bar 402, and can be locked in corresponding swing position.Described holding member 4 is flexibly connected with described cross bar 402.Position local device can be ratchet locking mode, porous-pin lock mode or gear-tooth bar lock mode.Such configuration can regulate described transverse part section 401 height overhead according to surface state.

According to another embodiment of wheel-type hand carts of the present utility model, with reference to Fig. 2, the front rod 222 of described transverse part section 401 in Fig. 2 forms to bending between two front wheels, for the holding device of the chain with delivery system, is used in conjunction with.

According to another embodiment of wheel-type hand carts of the present utility model, with reference to Fig. 2, two front wheels are arranged on to the outside at the two ends of front rod 222, described front rod 222 thereby become described transverse part section 401, is used in conjunction with for the holding device of the chain with delivery system.

Patent documentation CN2545054, CN1514786, CN1630597, CN1505575, CN1571736, CN1522212, CN2693596, CN1750961, CN1665710, CN1612822, CN1692050, CN2633692, CN2666768, CN2690253, CN201520320U, CN201468691U, CN101263039, CN101622167, CN201566674U, CN201309501, CN101979267A, CN101973297A, CN2915621, CN101200194, CN201305005, CN201214437, CN201520321U, CN101223070, CN201329883, CN201071054, CN201842117U, CN2277909, CN202050829U, CN2137625, CN86208106, CN2352421, CN2321682, CN2335860, CN201971604U, CN2170888, CN86104091, CN102275603A, CN102320321A, CN201834040U, CN201825077U, CN102341292A, CN202147705U, CN2104798, CN201741358U, CN102806934A, CN202754005U, CN102229346A, CN202147707U, CN203158048U, CN202080307U, CN1252767, CN202089095U, CN201961348U, CN202657080U, CN1328512 discloses element or the device relevant to wheel-type hand carts of the present utility model, therefore, the part of not mentioning in this article, structural relation between element and parts, position relationship, application force relation, movement relation, energy relationship, momentum relation etc. all can be understood with reference to the above-mentioned patent documentation of quoting.The technology contents of the described patent documentation of quoting herein thereby become the part of present patent application file.The in the situation that of needs, all patent documentations of having announced in the related technical field of the utility model all can provide prior art reference to present patent application.

More than describe the preferred or specific embodiment of the invention in detail.Should be appreciated that those skilled in the art just can make many modifications and variations according to the design concept of the invention without creative work.Therefore; all technical personnels in the art according to the design concept of the invention on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be within the scope of the invention and/or by the determined protection domain of claims.

Claims (10)

1. wheel-type hand carts, it comprises basketry (1), bracing frame (2), roller (3,5) and holding member (4), wherein,

Support frame as described above (2) supports described basketry (1), and is positioned between described roller (3,5) and described basketry (1),

Described roller (3,5) comprise front wheel (3) and rear roller (5), wherein, described roller (3,5) is connected with support frame as described above (2) independently of one another, and described roller (3,5) can roll on the ground around the first rolling axis (350), and can swing or rotate around the second axis of oscillation (351), wherein, described the first rolling axis (350) is perpendicular to described the second axis of oscillation (351)

Described holding member (4) is connected with support frame as described above (2), and the holding device that described holding member (4) can be transferred on the chain of system holds, thereby described wheel-type hand carts can move with described chain,

Described holding member (4) is not directly connected with the first rolling axis body (355) of described roller (3,5);

It is characterized in that, described holding member (4) at least comprises transverse part section (401), wherein, described transverse part section (401) can be held by the holding device on the chain of described delivery system, and, described transverse part section (401) is positioned at roller top plane (354) below, and wherein, described roller top plane (354) comprises the vertex (353) of at least three described rollers;

And described transverse part section (401) is positioned between described front wheel (3), and the length of described transverse part section (401) is less than the distance between described front wheel (3).

2. wheel-type hand carts according to claim 1, it is characterized in that: described transverse part section (401) does not forwards exceed the extremely front bus (31) of described front wheel (3) in the vertical, wherein, the extremely front bus (31) of described front wheel (3) refers to: under the situation of the position the most on the front that can reach in the vertical around its second axis of oscillation rotation at described front wheel (3), and the bus the most on the front of the rolling periphery of described front wheel (3).

3. wheel-type hand carts according to claim 2, it is characterized in that: described transverse part section (401) is positioned between the extremely front bus (31) and extremely rear bus (32) of described front wheel (3) in the vertical, wherein, described front wheel (3) extremely after bus (32) refer to: described front wheel (3) around its second axis of oscillation rotate (351) and can reach in the vertical by under the situation of rear position, the bus that leans on rear most of the rolling periphery of described front wheel (3).

4. wheel-type hand carts according to claim 1, is characterized in that: support frame as described above (2) comprises the first support body (201) and the second support body (202); Described holding member (4) is the pipe link (4) that connects described the first support body (201) and described the second support body (202), and described transverse part section (401) is that the bottom that described pipe link (4) carries out the ship shape body after ship shape bending is divided.

5. wheel-type hand carts according to claim 1, is characterized in that: described holding member (4) by cylinder bar by being bent to form.

6. according to the wheel-type hand carts described in any one in claim 4 to 5, it is characterized in that: described holding member (4) can swing around the 3rd axis of oscillation (40), and can be locked in corresponding swing position, wherein, two point of connection (241,242) that described the 3rd axis of oscillation (40) is connected with described the second support body (202) with described the first support body (201) through described holding member (4).

7. according to the wheel-type hand carts described in any one in claims 1 to 3, it is characterized in that: support frame as described above (2) comprises the first support body (201) and the second support body (202);

Cross bar (402) connects described the first support body (201) and described the second support body (202);

Described holding member (4) comprises the first branch (403), transverse part section (401), the second branch (404), wherein, the first end of described the first branch (403) is connected with described the first support body (201), and the second end of described the first branch (403) is connected with described transverse part section (401); The first end of described the second branch (404) is connected with described the second support body (202), and the second end of described the second branch (404) is connected with described transverse part section (401).

8. wheel-type hand carts according to claim 7, is characterized in that: described the first branch (403) and described the second branch (404) are trapped on described cross bar (402).

9. according to the wheel-type hand carts described in any one in claims 1 to 3, it is characterized in that: support frame as described above (2) comprises the first support body (201) and the second support body (202);

Cross bar (402) connects described the first support body (201) and described the second support body (202);

Described holding member (4) comprises the first branch (403), transverse part section (401), the second branch (404), wherein, the first end of described the first branch (403) is connected with described cross bar (402), and the second end of described the first branch (403) is connected with described transverse part section (401); The first end of described the second branch (404) is connected with described cross bar (402), and the second end of described the second branch (404) is connected with described transverse part section (401).

10. wheel-type hand carts according to claim 9, is characterized in that: described holding member (4) can swing around described cross bar (402), and can be locked in corresponding swing position.

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