A kind of freight container
Technical field
The utility model relates to freight container, particularly relates to a kind of latching device that is used for freight container.
Background technology
The operations such as opening and closing of existing freight container its chamber door in transportation all are to rely on manually to realize.Yet under some special occasions or deliver with freight container under the situation of particular cargo (as rubbish), manual operation can't be satisfied actual user demand.
Therefore, existing freight container obviously exists inconvenience and defective, so be necessary to be improved on reality is used.
Summary of the invention
At above-mentioned defective, the technical matters that the utility model solved is to provide a kind of freight container, and its latching device can adapt to the application under the various situations neatly.
To achieve these goals, a kind of freight container of the present utility model comprises a underframe; Be fixed on two side plates on the underframe; Be fixed on door end and front wall on the underframe, utilize column and this two side plates to fix simultaneously, wherein Men Duan is provided with a chamber door and a latching device, and wherein this latching device comprises: the rod member that at least one stretches out from chamber door; One connecting rod mechanism is arranged on the side plate; Handle is connected with described connecting rod mechanism; At least one guide groove is arranged on the side plate; At least one cranking arm, the one end is connected with this connecting rod mechanism, and the other end is limited at along this guide groove and slides; At least one hook cooperates with described at least one rod member, is connected with this end that is limited in the guide groove that this is cranked arm.
Preferably, described connecting rod mechanism is a parallel linkage, and wherein relative first parallel bar and second parallel bar are arranged vertically.
Preferably, relative the 3rd parallel bar and the 4th parallel bar of described connecting rod mechanism utilization is fixed to this side plate.
Preferably, described handle is connected with the 3rd or the 4th parallel bar.
Preferably, described handle is near this first parallel bar setting.
Preferably, described cranking arm is two, wherein first cranks arm and cranks arm and be connected with this third and fourth parallel bar respectively with second.
Preferably, described connecting rod mechanism also comprises the 5th parallel bar, between this third and fourth parallel bar.
Preferably, also being connected with the 3rd on described the 5th parallel bar cranks arm.
Preferably, described handle is connected with the end of cranking arm on described the 4th parallel bar.
Preferably, the middle part of described the 3rd to the 5th parallel bar and this side plate are fixed.
Preferably, this at least one guide groove is fixed to column.
Preferably, this freight container also comprises a pushing mechanism, has first power rail, aims at this first parallel bar or this handle and second power rail, aims at this second parallel bar setting.
Preferably, described power rail is hydraulic stem or atmospheric pressure pole or electric rod.
According to an aspect of the present utility model, owing on freight container of the present utility model, be equipped with manual or power push-rod, not only make operating personal to operate easily on ground, also realized simultaneously tightening up automatically and unclamping container door, and improved the applicability of the utility model freight container.
Description of drawings
Below in conjunction with accompanying drawing and detailed embodiment the utility model is elaborated.
Fig. 1 has shown the freight container of an embodiment of the utility model, and wherein latching device is in locking state;
Fig. 2 is the scheme drawing of the latching device of freight container shown in Figure 1;
Fig. 3 shows is that the latching device of freight container shown in Figure 1 is in the releasing orientation scheme drawing;
Fig. 4 is the freight container of the another embodiment of the utility model.
The specific embodiment
As shown in Figure 1, a kind of freight container 10 of the present utility model comprises: a underframe 11; Be fixed on two side plates 12 on the underframe 11; Be fixed on door end 13 and front wall 14 on the underframe 11, utilize two side plates of column 16 and this 12 fixing simultaneously, wherein door end 13 is provided with a chamber door 17 and a latching device 20.
Specifically, latching device 20 at first comprises a connecting rod mechanism 21 that is arranged on the side plate 12.As shown in Figure 2, connecting rod mechanism 21 is for preferably being parallel linkage, and wherein relative first parallel bar 214 and second parallel bar 215 are arranged vertically, and utilize the 3rd relative parallel bar 211 and the 4th parallel bar 213 to be fixed to this side plate 12.Preferably, the utility model also is provided with the 5th an auxiliary parallel bar 212 especially, between this third and fourth parallel bar 211 and 213 to strengthen intensity.Can utilize the connecting element 2111,2121 and 2131 that is arranged on general headquarters that connecting rod mechanism 21 is fixed respectively.Simultaneously, also be fixed with on the side plate and the 3rd, the 4th and the 5th parallel bar 211,212 and 213 cooresponding guide grooves 251,252 and 253, and guide groove can be respectively fixed to column 16.233 the end of cranking arm on described the 4th parallel bar 213 connects one handle 22, like this have need in, operating personal just can carry out M/C easily on ground.
231,232 and 233 the end of cranking arm can utilize hinge 2112,2122 and 2132 to be rotatably connected on the 3rd to the 5th parallel bar 211,212 and 213 of this connecting rod mechanism, and the other end is defined along this guide groove 251,252 and 253 and slides.More particularly, this end that is limited in the guide groove that this is cranked arm also is rotationally connected with hook 241,242 and 243 respectively by hinge 2311,2321 and 2331.At last, this hook 241,242 and 243 cooperates with the rod member 18 that stretches out from chamber door respectively.
In conjunction with Fig. 1 and Fig. 2, freight container 10 of the present utility model also comprises a pushing mechanism 30, has first power rail 31, aims at this first parallel bar 214 and second power rail 32, aims at this second parallel bar 215 and is provided with.Certainly, pushing mechanism 30 of the present utility model can also alignment handle 22 be provided with, as shown in Figure 4.Power rail is hydraulic stem or atmospheric pressure pole or electric rod.
Specify the operating process of latching device 20 below.
Fig. 1 shows latching device 20 and is in the situation of tightening up under the position.At this moment, first power rail 31 makes progress, and (perhaps handle 22, as shown in Figure 4) for jack-up first parallel bar 214, first parallel bar 214 on the connecting rod mechanism 21 rises, cause each crank all to strain cooresponding hook, thereby locking rod member 18 make container door 13 be locked.
As shown in Figure 3, when needs unclamp container door 13, operating personal is controlled first power rail retraction, second power rail 32 upwards withstands second drive link 215, second drive link 215 is risen, each crank will slide to the right along cooresponding guide groove, make corresponding hook unclamp rod member 18 thereby unclamp, and container door 13 can be opened.
And power rail of the present utility model is in special case following time, also can not use this power push-rod 30, operates and use handle 22 instead.Along with on lift or press down handle 22, this container door 13 will be locked or unclamp.
Though should be pointed out that by above-mentioned embodiment the utility model is described, yet the utility model also can have other numerous embodiments.Under the prerequisite that does not break away from the utility model spirit and scope; those of ordinary skill in the art obviously can make various corresponding changes and distortion to the utility model, but these changes and distortion all should belong in the scope that the utility model claims and equivalent thereof protect.