CN202029121U

CN202029121U - Lifting machine platform foot frame

Info

Publication number: CN202029121U
Application number: CN2011201151674U
Authority: CN
Inventors: 李育树
Original assignee: DUNFENG MECHANICAL INDUSTRY Co Ltd
Current assignee: DUNFENG MECHANICAL INDUSTRY Co Ltd
Priority date: 2011-04-19
Filing date: 2011-04-19
Publication date: 2011-11-09
Anticipated expiration: 2021-04-19

Abstract

The utility model discloses a lifting machine platform foot frame which comprises a first supporting frame, a second supporting frame and a commodity shelf. The first supporting frame is provided with two first foot poles and two wheels; the second supporting frame is provided with two second foot poles; the middle of each second foot pole is crosswise pivoted with the first foot pole; a retractable and removable first coupling end is arranged at the upper ends of the first foot poles; a second coupling end is arranged at the upper ends of the second foot poles; and two sides of the commodity shelf are respectively provided with the first coupling end and the second coupling end, therefore, the commodity shelf can be lifted and convenient to use.

Description

Lift board foot rest

Technical field

The utility model relates to a kind of board foot rest, particularly relates to a kind of lift board foot rest with easy-to-use effect.

Background technology

Referring to shown in Figure 1, a kind of in the past board foot rest 10 mainly has a workbench 11, one is arranged on the sawing machine 12 on the workbench 11, and one connect the foot rest 13 that is located at workbench 11 belows places, this workbench 11 can be for placing a workpiece (figure does not show), place, workbench 11 belows is concaved with several location notch holes 111, location notch hole 111 can snap in for foot rest 13 upper ends, this sawing machine 12 has a saw blade 121, can cut workpiece after saw blade 121 runnings, this foot rest 13 has one first foot lever 131 and one second foot lever 132, first foot lever 131, be in the middle of second foot lever 132 to intersect and articulate shape, first foot lever, 131 lower end axles are provided with a pair of wheel 133, so when foot rest 13 launches, can allow workbench 11 supports stand on the ground, when foot rest 13 folds, can utilize wheel 133 to move; Though above-mentioned board foot rest 10 can reach the result of use that expansion folds, yet still have its disappearance to exist in the use, above-mentioned board foot rest 10 is when launching foot rest 13, foot rest 13 upper ends will snap in the location notch hole 111 on workbench 11 bases, it is quite unstable that this kind snaps in structure, in the middle of sawing work is carried out, all might cause the displacement that gets loose at any time, dangerous in the operation.

Referring to shown in Figure 2, another kind of in the past board foot rest 20 has an objective table 21, one first foot rest 22, one second foot rest 23 and pair of links 24, can fix a tool station (figure does not show) for placing on this objective table 21, the bending of first foot rest, 22 1 ends is provided with leader's bar 221, other end bending is provided with a support bar 222, first foot rest, 22 upper ends and objective table 21 make the axle connection, place and second foot rest 23 intersect do pivot joint shape in the middle of first foot rest 22, second foot rest, 23 lower ends are equipped with two wheels 25, second foot rest, 23 upper ends and connecting rod 24 are made the axle connection, connecting rod 24 other ends are made axle connection, first foot rest 22 whereby with objective table 21 again, second foot rest 23 can firmly fold or launch action; Though above-mentioned board foot rest 20 can reach function of use folding or that launch, yet still have its shortcoming to demand urgently improving on using, the objective table 21 of above-mentioned board foot rest 20 is owing to carry the weight of tool station, when board foot rest 20 folds, if the user not in advance support live objective table 21, objective table 21 will down drop suddenly because of the loading relation, cause the danger in the use, in addition, when board foot rest 20 will launch, the user need lift objective table 21, the first foot rests 22 arduously, second foot rest 23 could be done to open action smoothly, quite wastes time and energy in the use.

Summary of the invention

The utility model purpose is to provide a kind of lift board foot rest with operation convenience advantages.

The utility model provides a kind of lift board foot rest, and it includes one first bracing frame, one second bracing frame and a rack, and wherein: first bracing frame has two first foot levers and two axles are located at the wheel that first foot lever below is located; The first foot lever upper end is provided with free movable first pivoted connection end of making flexible shape of an energy; Second bracing frame has two second foot levers, is with first foot lever in the middle of second foot lever and intersects the pivot joint shape, and the second foot lever upper end is provided with one second pivoted connection end; Rack has a platform, and first pivoted connection end of this platform and first bracing frame and second pivoted connection end of second bracing frame pivotly join, and can be by first bracing frame and the second bracing frame together support.

Lift board foot rest described in the utility model, first bracing frame have first extension rod that is connected the first foot lever end and makes bending.

Lift board foot rest described in the utility model, place, two second foot lever belows axle respectively is provided with castor.

Lift board foot rest described in the utility model, second bracing frame have second extension rod that is connected the second foot lever end and makes bending.

Lift board foot rest described in the utility model, place, second extension rod below is provided with two runners.

Lift board foot rest described in the utility model includes an assistance for lifting unit.

Lift board foot rest described in the utility model, this assistance for lifting unit have a cylinder pressure and one to be stretched to be located at and can make the axle of stretching shape in the cylinder pressure, and this cylinder pressure one end is articulated on second bracing frame, and this axle one end is articulated on the rack.

Lift board foot rest described in the utility model more includes locating unit.

Lift board foot rest described in the utility model, this positioning unit have one and are arranged on the operating mechanism on second bracing frame, an interlinked mechanism of accepting the operating mechanism drive and two detent mechanisms of accepting the interlinked mechanism drive and first bracing frame, second bracing frame being fixed.

Lift board foot rest described in the utility model, this operating mechanism have an axostylus axostyle, one and connect and be located at handle and flexible member that drives the axostylus axostyle involution that the axostylus axostyle upper end drives this axostylus axostyle displacement.

Lift board foot rest described in the utility model, this interlinked mechanism have one and connect the L template that the drive plate that is located at the axostylus axostyle end and two axle pivots are arranged on drive plate dual-side place.

Lift board foot rest described in the utility model, this detent mechanism have link to each other with the L template clamping rod that moves laterally and one to the butted mobile spring of clamping rod, and first pivoted connection end is provided with a locating hole that snaps in for clamping rod.

The beneficial effects of the utility model are: utilize first bracing frame that scalable mobile pivoted connection end and rack work axle connection are set, carry out lifting action except can firmly propping up rack, more can reach and operate effect easily.

Description of drawings

Fig. 1 is a kind of in the past constitutional diagram of board foot rest;

Fig. 2 is the constitutional diagram of another kind of in the past board foot rest;

Fig. 3 is the combination stereogram of the utility model lift board foot rest first preferred embodiment, illustrates that the utility model includes one first bracing frame, one second bracing frame, a rack, an assistance for lifting unit and a locating unit;

Fig. 4 is the plane under Fig. 3 state, illustrates that the utility model rises to launch the situation of action;

Fig. 5 is the vertical view under Fig. 4 state;

Fig. 6 is the cutaway view of Fig. 5 along the VI-VI line;

Fig. 7 is the stereogram of above-mentioned preferred embodiment, illustrates that the utility model descends to receive the situation of folded action;

Fig. 8 is the plane under Fig. 7 state;

Fig. 9 is the vertical view under Fig. 8 state;

Figure 10 is the cutaway view of Fig. 9 along the X-X line, and the situation when positioning unit does not move as yet is described;

Figure 11 is the enlarged drawing of Figure 10, illustrates that positioning unit has one and can make the clamping rod that clip is located to second bracing frame;

Figure 12 is the action diagram of above-mentioned preferred embodiment, the situation of this positioning unit action of description operation;

Figure 13 is the action diagram of above-mentioned preferred embodiment, illustrates that the clamping rod of positioning unit breaks away from the situation of second bracing frame;

Figure 14 is the use schematic diagram of above-mentioned preferred embodiment;

Figure 15 is the plane of the utility model second preferred embodiment;

Figure 16 is the use schematic diagram of above-mentioned preferred embodiment.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is elaborated.

Extremely shown in Figure 5 referring to Fig. 3, the utility model lift board foot rest is in first preferred embodiment, include one first bracing frame 30, one second bracing frame 40, a rack 50, an assistance for lifting unit 60 and locating unit 70, then, again the composition member of above-mentioned each unit and spatial group mould assembly attitude are specified in after.

First bracing frame 30 has first extension rod 33 that wheel 32 and that two first foot levers 31 that are parallel shape, two axles are located at place, first foot lever, 31 belows is connected first foot lever, 31 ends and is bending slightly, first foot lever, 31 upper ends are provided with one first pivoted connection end 34, first pivoted connection end 34 can be made the movable telescopic shape on first foot lever 31, the end place that first pivoted connection end 34 is inserted in first foot lever 31 is concaved with a locating hole 341 (seeing Figure 11), the place is provided with an ear seat 311 in the middle of first foot lever 31, and this ear seat 311 can be for positioning unit 70 installings.

Second bracing frame 40 has two second foot levers 41 that are parallel shape, and one be connected second foot lever, 41 ends and make second extension rod 42 of bending, second foot lever 41 is provided with two transverse frame plates 43, transverse frame plate 43 can be for installing positioning unit 70, the place is equipped with a pivot spare 44 (seeing Fig. 7) in the middle of second foot lever 41, this pivot spare 44 ends stretch in the ear seat 311, screw togather with a nut 45 windings, make second foot lever 41 and first foot lever, 31 middle places do to intersect and articulate shape, second foot lever, 41 upper ends are provided with one second pivoted connection end 411, the place is provided with a cross bar 46 in the middle of second foot lever 41, place, second foot lever, 41 belows axle is provided with two castors 47, after two

castors

47 and 32 collocation of two wheels, can make the utility model form a kind of chassis (as shown in Figure 7) with locomotivity, turning point, second extension rod, 42 below is provided with two runners 48, two runners 48 can allow second bracing frame 40 firmly paste and be against on the ground, the end of present embodiment second extension rod 42 is to be extended by second foot lever 41 to make 90 degree bendings, and it highly just is available for users to hand and draws and hold (seeing Figure 14).

This rack 50 has a platform 51, this platform 51 is support bodys of slightly rectangular shape, can supply an affixed toolroom machine 100 (seeing Figure 14) on it, first pivoted connection end 34 of this platform 51 and first bracing frame 30 and second pivoted connection end 411 of second bracing frame 40 pivotly join, and can be by first bracing frame 30 and second bracing frame, 40 together support.

Referring to shown in Figure 6, this assistance for lifting unit 60 has a cylinder pressure 61 and and stretches and be located at the axles 62 that can make flexible shape in the cylinder pressure 61, these cylinder pressure 61 1 ends are articulated on the cross bar 46 of second bracing frame 40, these axle 62 1 ends are articulated on the rack 50, cushioning effect is provided when providing rack 50 to descend this cylinder pressure 61, and rack 50 then has booster action when rising.

To shown in Figure 11, this positioning unit 70 has one and is arranged on operating mechanism 71, on second bracing frame 40 and accepts interlinked mechanism 72 that operating mechanism 71 drives and two and accept interlinked mechanism 72 and drive the detent mechanism 73 that can fix first bracing frame 30, second bracing frame 40 referring to Fig. 9; This operating mechanism 71 includes one and is located in two axostylus axostyles 711, between the transverse frame plate 43 and connects the handle 712 and that is located at axostylus axostyle 711 upper ends and be set in flexible member 713 on the axostylus axostyle 711, squeeze grip 712 can drive this axostylus axostyle 711 and do displacement up and down, but axostylus axostyle 711 returns original position by flexible member 713 butted involutions, this interlinked mechanism 72 includes one and connects the drive plate 721 that is located at axostylus axostyle 711 ends and two axle pivots and be arranged on 722, two L template 722 1 ends of L template on the transverse frame plate 43 and drive plate 721 two side ends axle connection mutually; This detent mechanism 73 includes a clamping rod 731 and that is located in a pivot spare 44 inside and is set in spring 732 on the clamping rod 731, clamping rod 731 ends connect the axle connection with L template 722 other ends as the tip, it is butted that clamping rod 731 is accepted spring 732, and its head end can put in the locating hole 341 that snaps in first pivoted connection end 34.

It more than is the general introduction of each member shape of the utility model lift board foot rest; Then, the effect statement that again action of the present utility model and expection can be reached as afterwards:

Referring to Figure 12 and shown in Figure 13, when the user will receive folded action to the utility model, as long as pull the handle 712 of operating mechanism 71 with hand, this axostylus axostyle 711 can up drive drive plate 721, and make L template 722 rotate, L template 722 drives clamping rod 731 again and separates from the locating hole 341 of first pivoted connection end 34, makes first pivoted connection end 34 can make the shape that freely stretches; Referring to Fig. 7, shown in Figure 8, because the influence of rack 50 weight, rack 50 presses down and can act on first foot lever 31, the 41 automatic foldings of second foot lever, is subjected to the buffering of assistance for lifting unit 60 again, and rack 50 can carry out down maneuver lentamente.

In sum, the utility model lift board foot rest mainly is in order to solve board foot rest 10 in the past, 20 use problem, its technological means that adopts be utilize rack 50 dual-sides respectively axle be associated with first bracing frame 30 and second bracing frame 40, wherein first bracing frame, 30 upper ends are provided with first pivoted connection end 34 that can do telescopic moving, make the suitable steady and smooth of lifting action of rack 50, when rack 50 descends, can obtain to cushion strength by assistance for lifting unit 60, rack 50 can not drop suddenly, quite safe in the use, when rack 50 rises, provide boosting strength by assistance for lifting unit 60, the user can launch action to the utility model effortlessly; In addition, first extension rod 33 of the utility model first bracing frame 30 is bendings slightly, when the utility model when receiving overlapping state, first extension rod 33 can be trampled to have pedaled first foot lever 31 by user foot, help allowing first bracing frame 30, second bracing frame 40 can launch action apace whereby, quite convenient in the operation.

What deserves to be mentioned is, the utility model also has other embodiment to change, referring to Figure 15, shown in Figure 16, one board foot rest 80 of the utility model second preferred embodiment has one first bracing frame 81, one second bracing frame 82 and a rack 83, place, first bracing frame, 81 belows is provided with a pair of wheel 811, wherein different with first embodiment is, the setting of castor is not arranged on second bracing frame 82, and second bracing frame, 82 ends are provided with second short extension rod 821, second extension rod 821 is available for users to hand and upwards lifts, and allows board foot rest 80 have movably effect equally.

Claims

1. lift board foot rest is characterized in that:

One first bracing frame has two first foot levers and two axles are located at the wheel that first foot lever below is located, and the first foot lever upper end is provided with free movable first pivoted connection end of making flexible shape of an energy;

One second bracing frame has two second foot levers, is with first foot lever in the middle of second foot lever and intersects the pivot joint shape, and the second foot lever upper end is provided with one second pivoted connection end; And

A rack has a platform, and first pivoted connection end of this platform and first bracing frame and second pivoted connection end of second bracing frame pivotly join, and can be by first bracing frame and the second bracing frame together support.

2. lift board foot rest as claimed in claim 1 is characterized in that: first bracing frame has first extension rod that is connected the first foot lever end and makes bending.

3. lift board foot rest as claimed in claim 1 is characterized in that: place, two second foot lever belows axle respectively is provided with castor.

4. lift board foot rest as claimed in claim 1 is characterized in that: second bracing frame has second extension rod that is connected the second foot lever end and makes bending.

5. lift board foot rest as claimed in claim 4 is characterized in that: place, second extension rod below is provided with two runners.

6. lift board foot rest as claimed in claim 1 is characterized in that: include an assistance for lifting unit.

7. lift board foot rest as claimed in claim 6, it is characterized in that: this assistance for lifting unit has a cylinder pressure and one and stretches to be located at and can make the axle of stretching shape in the cylinder pressure, this cylinder pressure one end is articulated on second bracing frame, and this axle one end is articulated on the rack.

8. lift board foot rest as claimed in claim 1 is characterized in that: more include locating unit.

9. lift board foot rest as claimed in claim 8 is characterized in that: this positioning unit has one and is arranged on the operating mechanism on second bracing frame, an interlinked mechanism of accepting the operating mechanism drive and two detent mechanisms of accepting the interlinked mechanism drive and first bracing frame, second bracing frame being fixed.

10. lift board foot rest as claimed in claim 9 is characterized in that: this operating mechanism has an axostylus axostyle, one and connects and be located at handle and flexible member that drives the axostylus axostyle involution that the axostylus axostyle upper end drives this axostylus axostyle displacement.

11. lift board foot rest as claimed in claim 10 is characterized in that: this interlinked mechanism has one and connects the L template that the drive plate that is located at the axostylus axostyle end and two axle pivots are arranged on drive plate dual-side place.

12. lift board foot rest as claimed in claim 11, it is characterized in that: this detent mechanism has link to each other with the L template clamping rod that moves laterally and one to the butted mobile spring of clamping rod, and first pivoted connection end is provided with a locating hole that snaps in for clamping rod.