CN2567083Y

CN2567083Y - Retractable ladder for truck platform

Info

Publication number: CN2567083Y
Application number: CN 02234724
Authority: CN
Inventors: 竹添武郎
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-05-08
Filing date: 2002-05-08
Publication date: 2003-08-20
Anticipated expiration: 2012-05-08

Abstract

The utility model relates to a retractable ladder for a carriage of a truck, which is characterized in that the lower ends of a left and a right support posts of a ladder-shaped foot rack of a pedal with equal space are provided with foot seats with adjustable height. A pedal platform is arranged above the support post of the foot rack; the front end of the pedal platform is provided with a buckle stopping device which can be movably detached and hung on a loading and unloading platform plate by sheathing. The utility model provides the ladder without wasting labor of the loading and unloading platform plate of a truck. The utility model can get on and off quickly and securely and enhance the loading and unloading operation performance of the loading and unloading platform plate of the truck; in addition, the safety of the operation on the pedal platform and the getting on and off of the loading and unloading platform plate of the truck is increased.

Description

Lorry body is with closing ladder

Technical field

The utility model relates to a kind of ladder, and particularly a kind of lorry that is used in the truck class loads and unloads the lorry loading and unloading of handling goods on the platen with closing ladder.

Background technology

On the lorry of truck class loading and unloading platen during handling goods, the worker who is responsible for loading and unloading frequently tightly the high and low working in the loading and unloading platen, the present situation of wasting unnecessary labour loading and unloading platen high and low is that work efficiency can't be improved.

Particularly to use commercially available foot rest or ladder to come the high and low also to have very suitable for the higher lorry of truck class loading and unloading platen, but the worker is when mobile this foot rest, ladder and loading and unloading platen, foot rest that has or ladder position are improper, what have topples over instability easily, so exist safely the high and low in the problem of loading and unloading platen.

Add and move the not particular place swing to as the truck and make handling goods and have the road surface to tilt or uneven situation often, commercially available in the past foot rest or ladder exist the problem that can not keep stabilized conditions, and this programme addresses these problems exactly and is problem.

Therefore, how a kind of lorry body of novelty to be proposed with closing ladder at the problems referred to above, be not to use for a long time the person eagerly to look forward to and this creator person of bearing in mind always always, and this creator based on the research of engaging in Related product for many years, exploitation, and sell practical experience, think and the idea of improvement, its people's expertise thoroughly is through research and design, special topic are inquired in many ways, finally work out a kind of lorry body with closing terraced improved structure, can solve the above problems.

Summary of the invention

Technical problem to be solved in the utility model is, at the above-mentioned deficiency of prior art, and provides a kind of stabilized conditions that can keep, make the worker safely the high and low in the lorry loading and unloading of loading and unloading platen with closing ladder.

Above-mentioned technical matters of the present utility model is realized by following technical scheme.

A kind of lorry body is with closing ladder, it is characterized in that: be provided with the uniformly-spaced twin mast pillar lower end, the scalariform foot rest left and right sides of pedal, install height adjustable runners, in aforementioned foot rest pillar top installing step platform, install the device of pulling of buckleing that movable mounting or dismounting cover hangs over lorry loading and unloading platen at this step platform front end.

Except that above-mentioned essential features, in specific implementation process, also can replenish following technology contents:

Wherein articulate the foot platform rear end freely in this foot rest pillar upper end rotation, and foot rest pillar lateral surface and side, foot platform the place ahead installing support tube, movable mounting or dismounting ground pillar the lorry loading and unloading with closing ladder.

Wherein at the outstanding Buckle device of two ends, the left and right sides, foot platform front installing  font, also this Buckle device being designed to free up and down activity simultaneously is that the lorry loading and unloading are with closing ladder.

Advantage of the present utility model is:

1, the movable mounting or dismounting of Buckle device are hitched is erected on the truck class lorry loading and unloading platen, need not spend more frequent labour on lorry loading and unloading platen up and down, can get on or off the bus safely again rapidly, quite prove effective for the loading and unloading operation performance that improves on the lorry loading and unloading platen.

2, can adjust the upright runners height of energy turret in the setting of foot rest pillar lower end, at foot rest pillar upper end installing step platform, two ends, step platform the place ahead are provided with the Buckle device that can rotate up and down, even so inclination such as lorry loading and unloading platen and road surface also can set up stabilized conditions, to load and unload getting on or off the bus of platen at lorry and on the step platform raising of operational security quite prove effective.

Now further understand and understanding for your juror is had architectural feature of the present utility model and the effect reached, sincerely help with preferred embodiment figure and cooperate detailed explanation, illustrate as after:

Description of drawings

Fig. 1 is the block diagram of a preferred embodiment of the present utility model.

Fig. 2 is the block diagram of the foot rest pillar lower end main portion of a preferred embodiment of the present utility model.

Fig. 3 is the Buckle device block diagram of a preferred embodiment of the present utility model.

Fig. 4 is the A-A cross sectional drawing of Fig. 3 of a preferred embodiment of the present utility model.And

Fig. 5 is the block diagram of folded state of a preferred embodiment of utility model.

The specific embodiment

At first, see also the 1st figure, it is the block diagram for a preferred embodiment of the present utility model; As shown in the figure, be provided with uniformly-spaced pedal 1B, 1B.... form scalariform foot rest body 1, in about scalariform foot rest body 1, be provided with

twin mast pillar

1A and 1A, install height adjustable runners in the lower end of

twin mast pillar

1A and 1A, in aforementioned

foot rest pillar

1A and 1A upper end with latch 7 and 7 make the step platform movably frame standing, be provided with the Buckle device that activity mounting or dismounting cover hangs over lorry loading and unloading platen at step platform 2 front end structures, with hold-down arm 5 and 5 movable lateral surface and the step platform 2 front end left and right sides faces that are supported on foot rest body 1 left and right sides

twin mast pillar

1A and 1A with installing and removing.

Foot rest body 1 is that sheet metal is curved the  font, edge is bent to  shape ditch shape formed foot rest pillar 1A and the last installing of 1A pedal 1B to the inside, 1B ... uniformly-spaced become scalariform, pedal 1B, 1B .... as shown in Figure 2, be provided with not crooked to the inside and

upright strut support

1a and 1a at the edge that curves the formed foot rest pillar of  shape ditch shape 1A, to embed by Fixed latches 6 with the crooked to the inside end of pedal 1B that sheet metal curves  shape edge, two ends by Fixed latches 6 are fixed on pedal 1B on the foot rest pillar 1A, but and non-limiting like this.

Take into account aforementioned foot rest pillar 1A, the lightweight of pedal 1B and corrosion stability and like and use the sheet metal of aluminum alloy class to make, but use also available plating of  shape ditch shape steel of commercially available steel plate system to make surperficial anti-rust treatment, also can adhere to Anti-slip belt (figure does not show) above the pedal 1B, the length of pedal 1B will make the below tread length more a little longer than top tread length, and the left and right sides, the below twin mast pillar 1A of foot rest body 1 and the interval between the 1A are all wideer than the top as shown in Figure 1 is exactly help foot rest stable.

Foot rest pillar

1A and 1A lower end at foot rest body 1 embed

foot lever

3A and 3A, standing runners 3 and 3 in this foot lever lower end with latch 8 and 8, to the inclination of kiss the earth or uneven can both settling touch-down, simultaneously establish latching system 9 and 9, can or remove the height that snap close is adjusted

aforementioned foot lever

3A and 3A by last snap close at

foot rest pillar

1A and 1A lower end.

For with

aforementioned foot lever

3A and 3A by last snap close or remove snap close and explain with Fig. 2, foot lever 3A is with the moving valve embedding that can the stretch up and down metallic steel pipe in foot rest pillar 1A tightly, establishes with equi-spaced apart on steel pipe and overlaps hanging hole 3a Latching system 9 is configuration torsion shafts 10 between crooked to the inside and not upright strut support 1b of foot rest pillar 1A lower edge and 1b, standing with 11 of boom shaft, the fastener 9a front end of latching system 9 often is pressed to the state that embeds aforementioned cover hanging hole 3a because of torsion shaft 10, lock as long as the handgrip 9b of pressing lock buckle device 9, fastener 9a front end just comes off from cover hanging hole 3a, and foot lever 3A just can up and downly stretch.

Moreover, the present embodiment cover hanging hole 3a below cut surface 3b makes perpendicular cuts, top cut surface 3c is the dip plane, load for arrow A direction is locked, for with the reciprocal load of arrow A direction be the fastener 9a of dip plane latching system 9 front end for the antagonism torsion shaft 10 push make progress by, can pull out towards the reversing sense of arrow A direction.

Installing the step platform of edge 2A on the other hand in the foot rest pillar 1A of foot rest body shown in Figure 1 and 1A upper end, this step platform be in edge 2A rear end with latch 7 and 7 rotationally frame standing, in side, edge 2A the place ahead with latch 12 and 12 ends that standing hold-down arm 5 and 5, the other end hole 5a and the 5a that are located at aforementioned hold-down arm 5 and 5 are inserted the latch 13 that is located at

foot rest

1A and 1A lateral surface, 13 can install and remove freely, and frame is standing, simultaneously for making aforementioned step platform 2 rotating folding state, can install and remove freely that frame is standing and insert the latch 13A that is located at the foot rest 1A and the outside, 1A below and 13A.

Step platform 2 is to use the sheet metal frame to be located at above the edge 2A, but design as on-slip at the normal configuration preferences concave convex texture in the surface of step platform 2 etc., consider the lightweight of step platform 2 and edge 2A and corrosion stability and like the metalwork that uses the aluminum alloy class, but use the gauge material of steel plate or steel pipe class also can make anti-rust treatment with being electroplated.

Establishing the movable mounting or dismounting cover of Buckle device at the two ends, the left and right sides, edge 2A the place ahead of aforementioned step platform 2 hangs on the lorry loading and unloading platen S.

Aforementioned Buckle device 4 and 4 is sheet metal to be curved the movable mounting or dismounting cover of  word font hang over lorry loading and unloading platen S, as shown in Figures 3 and 4, make the edge 2A fore-end of step platform 2 outstanding, with boom shaft 14 15 on carriage is being stood, simultaneously carriage 15 is embedded in and curves the hole 16 that  font Buckle device 4 sides are worn, fix with fixing button, aforementioned Buckle device 4 can all around rotate again.

At the use that is erected at truck class lorry loading and unloading platen, as above this programme is described in Fig. 1.

Outstanding Buckle device 4 and 4 covers that are designed to the  font of step platform 2 front ends are hung on the lorry loading and unloading platen S, even aforementioned loading and unloading platen S tilts, because of aforementioned Buckle device 4 and 4 can all around rotate,, any one of Buckle device 4 and 4 can not hitch with stabilized conditions so can not breaking away from.

Next foot lever

3A and 3A that is embedded in

foot rest pillar

1A and 1A lower end stretches with the operation of latching system 9, but adjustment rack stands in the runners 3 and 3 of

foot lever

3A and 3A lower end, and step platform 2 is landed with the almost horizontal state.The hole 5a and the 5a that are located at hold-down arm 5 and 5 ends simultaneously insert the latch 13 and 13 that is located at

foot rest pillar

1A and 1A lateral surface, come pillar with hold-down arm, again with latch 8 and 8 with runners 3 and 3 rotationally frame stand in

foot lever

3A and 3A lower end, so kiss the earths such as road surface tilt or unevenness also can land with stabilized conditions.

As above can obtain being erected at lorry loading and unloading platen S and go up the lorry loading and unloading of use with closing ladder with stabilized conditions.

Moreover, when not using the hole 5a of hold-down arm 5 and 5 and 5a are inserted the latch 13A and the 13A that are located at

foot rest pillar

1A and 1A below lateral surface and come pillar, step platform 2 is made folded state as shown in Figure 5.

In sum, the utility model relates to a kind of lorry body with closing ladder, and it refers to a kind of relevant on the lorry loading and unloading platen of truck class during handling goods especially, can be erected at lorry loading and unloading on the lorry loading and unloading platen with closing ladder with plateau.So the utility model is one to have novelty, progressive and can supply the industry utilization in fact, the patent application important document that should meet China's patent law defined proposes novel patent application undoubtedly in accordance with the law.

But the above, it only is a preferred embodiment of the present utility model, be not to be used for limiting the scope that the utility model is implemented, such as the equalization of doing according to the described shape of the utility model claim, structure, feature and spirit changes and modifies, and all should be included in the claim of the present utility model.

Claims

1, a kind of lorry body is with closing ladder, it is characterized in that: be provided with the uniformly-spaced twin mast pillar lower end, the scalariform foot rest left and right sides of pedal, install height adjustable runners, in aforementioned foot rest pillar top installing step platform, install the device of pulling of buckleing that movable mounting or dismounting cover hangs over lorry loading and unloading platen at this step platform front end.

2, lorry body according to claim 1 is with closing ladder, it is characterized in that: wherein articulate the foot platform rear end freely in this foot rest pillar upper end rotation, and foot rest pillar lateral surface and side, foot platform the place ahead installing support tube, movable mounting or dismounting ground pillar the lorry loading and unloading with closing ladder.

3, lorry body according to claim 1 and 2 is characterized in that with closing ladder: wherein at the outstanding Buckle device of two ends, the left and right sides, foot platform front installing  font, also this Buckle device being designed to free up and down activity simultaneously is that the lorry loading and unloading are with closing ladder.