Hard open top container and be used for the top cover latching device of hard open top container
Technical field
The utility model relates to the storage-transport vessel technical field, relates in particular to a kind of hard open top container and is used for the top cover latching device of hard open top container.
Background technology
Hard open top container be a kind of can be from the transportation storage container of top loading-unloading goods, it is made up of base plate, the removable top cover that is arranged in a plurality of sidewalls (of a plurality of sidewalls can replace with an end) at bottom edge place and is used to seal this hard open top container usually.From the top loading-unloading goods of freight container the time, need at first top cover is removed from hard open top container.After cargo handing finished, the top that can top cover be reapposed freight container was with hard open top container sealing.Top cover need be secured to sidewall so that freight container is sealed.
In the prior art, there is a kind of top chord place above sidewall that the mode of several case hasps with the locking of realization top cover and sidewall is set.When needs are opened or closed top cover, manually hasp is opened or closed to realize the disengaging or the locking of top cover and sidewall one by one by the staff.Yet hard open top container has higher height usually, and operating personal need arrive near the top of freight container so that hasp is operated by means of cat ladder or lifting table, and this causes work efficiency lower.And if work-site do not have suitable cat ladder or lifting table, can't carry out the unlatching of top cover smoothly or close and the operation of dismounting customs envelope.
To this situation, the top cover latching device that is used for hard open top container that can directly operate at face has appearred in the prior art.For example, a kind of existing top cover latching device comprises the locking bar moving up and down in the side plate outside that is positioned at freight container, the buckle that is used to operate the handle of locking bar and is used for fixing handle.Wherein the top of locking bar is provided with the tapered end that is used to compress top cover.When needs are opened or during closed roof, through rotate and go up handle with locking bar is rotated and on move, can make tapered end unclamp top cover; On the contrary,, can make tapered end press down top cover, top cover is pressed on the sidewall through rotating in an opposite direction and press down handle so that locking bar is rotated and moves down.When this top cover latching device of operation, act on power and locking bar on the tapered end not on same straight line, locking bar not only will be received power vertically, the effect of also receiving additional bending moment, so use hour locking lever often to occur bending and deformation even fracture.In addition, the operation of this kind top cover latching device is complicated, need carry out special guide or training to operating personal.
Therefore, a kind of hard open top container need be provided and be used for the top cover latching device of hard open top container, to address the above problem.
The utility model content
For solving the problems of the technologies described above; According to an aspect of the utility model, a kind of top cover latching device that is used for hard open top container is provided, this top cover latching device comprises: lock; Be used for fixing the edge at the top cover of hard open top container, this lock comprises the breach of vertical perforation; Locking bar, but its vertical motion be located in this breach; Tapered end, it is fixed on the upper end of locking bar, tapered end the central axis around locking bar rotate to first towards the time can be bearing on the lock, tapered end the central axis around locking bar rotate to second towards the time can pass through breach; Middle articulated section, it is connected the lower end of locking bar, and the top at least of locking bar can be rotated with respect to the central axis of middle articulated section around locking bar; Middle interconnecting piece, this middle interconnecting piece are with respect to the central axis rotational symmetry of locking bar, and the upper end of middle interconnecting piece is the articulated section in the middle of the horizontal axis of the sidewall that is parallel to hard open top container is pivoted to rotationally; Unlocking handle; Its upper end is used for being pivoted to rotationally around the horizontal axis of the sidewall that is parallel to hard open top container the sidewall of hard open top container, and unlocking handle is pivoted to the lower end of middle interconnecting piece rotationally around the horizontal axis of the sidewall that is parallel to hard open top container; And turning handle, it is connected to locking bar, is used for the top at least around the central axis rotating rod lock of locking bar.
Further, middle interconnecting piece comprises first connecting rod and second connecting rod, the two ends of articulated section in the middle of the upper end of first connecting rod and the upper end of second connecting rod are articulated in respectively; Unlocking handle has reverse each other first protrusion and second protrusion that extends of on even keel, and first protrusion is pivoted to the lower end of first connecting rod, and second protrusion is pivoted to the lower end of second connecting rod.
Further, be connected with the enhancing attaching parts between first connecting rod and the second connecting rod.
Further, the top cover latching device also comprises latch, and this latch is used to be connected to the sidewall of hard open top container, and when unlocking handle is fitted with the sidewall of hard open top container, the lower end of unlocking handle is locked to the sidewall of hard open top container.
Further, latch comprises: the latch body, and it is used for when unlocking handle is fitted with the sidewall of hard open top container the fixedly lower end of unlocking handle; And latch body guide part, it is used for fixing the sidewall to hard open top container, and the latch body is located in the latch body guide part.
Further, but locking bar is located in the top chord on the sidewall of hard open top container with being used for vertical motion.
Further, the top cover latching device also comprises the locking bar guide part, and the locking bar guide part is used for fixing to the sidewall of hard open top container or top chord, but the locking bar vertical motion be located in the locking bar guide part.
Further, tapered end be in first towards the time can with the lock clamping.
Further, the upper surface of lock has recess; The lower surface of tapered end has the salient with the recess coupling.
Further, the end towards the hard open top container outside of lock upwards bends.
Further, turning handle removably is connected to locking bar.
Further; The top cover latching device also comprises the unlocking handle bearing; This unlocking handle bearing is used for fixing the sidewall to hard open top container, and the upper end of unlocking handle is pivoted to the unlocking handle bearing rotationally around the horizontal axis of the sidewall that is parallel to hard open top container.
Further, the lower end of locking bar is plugged in the middle articulated section, and locking bar inserts the depth-adjustment joint in the middle articulated section.
Further, the lower end of locking bar can around the central axis of locking bar pivotally pin joint in middle articulated section.
Further, the lower end of locking bar is provided with screw thread; The lower end screw thread of locking bar is connected with first nut and second nut, the top of articulated section in the middle of first nut is positioned at, and the gap was left between first nut and second nut and the middle articulated section in the below of articulated section in the middle of second nut was positioned at.
Further, locking bar comprises: following locking bar portion, and captive joint with middle articulated section in its lower end; And go up locking bar portion, its lower end is connected with the upper end of following locking bar portion, and last locking bar portion can be with respect to the rotation of following locking bar portion.
Further, the lower end of last locking bar portion is welded with screw collar, and the upper end of following locking bar portion is threaded in the screw collar.
Further, the lower end of following locking bar portion is provided with screw thread; The lower end screw thread of following locking bar portion is connected with first nut and second nut, the top of articulated section in the middle of first nut is positioned at, and the below of articulated section in the middle of second nut is positioned at, first nut and second nut will descend locking bar portion and middle articulated section to interfix.
According to another aspect of the utility model, a kind of hard open top container is provided, this hard open top container comprises: base plate; Be positioned at the sidewall of the edge of base plate; Be positioned at the top cover at top; And any above-mentioned top cover latching device, wherein lock is fixed on the edge of top cover; The upper end of unlocking handle is pivoted to sidewall rotationally around the horizontal axis that is parallel to sidewall.
The utlity model has following technique effect:
The top cover latching device that is used for hard open top container of the utility model; The lock that is fixed on the edge of top cover has the breach of vertical perforation; Locking bar is located in the breach, the tapered end that is fixed on locking bar upper end the central axis around locking bar rotate to first towards the time can with the lock clamping, thereby top cover and sidewall are locked; Tapered end the central axis around locking bar rotate to second towards the time can pass through above-mentioned breach, to unclamp top cover.Articulated section in the middle of the lower end of locking bar is connected with; At least the top of locking bar can be rotated with respect to the central axis of middle articulated section around locking bar; The upper end of middle interconnecting piece is the articulated section in the middle of the horizontal axis of the sidewall that is parallel to hard open top container is pivoted to rotationally; Middle interconnecting piece is with respect to the central axis rotational symmetry of locking bar; The upper end of unlocking handle is used for being pivoted to rotationally around the horizontal axis of the sidewall that is parallel to hard open top container the sidewall of hard open top container, and unlocking handle is pivoted to the lower end of middle interconnecting piece rotationally around the horizontal axis of the sidewall that is parallel to hard open top container.Also be connected with turning handle on the locking bar, be used for top at least around the central axis rotating rod lock of locking bar.
Be appreciated that; Being arranged so that when unlocking handle is rotated in the upper end that in the plane perpendicular to the sidewall of hard open top container, gets around the lock handle of this articulated section, centre, middle interconnecting piece and unlocking handle; The rotation of unlocking handle can drive the middle interconnecting piece motion; And then upwards promote or pulling downwards in the middle of the articulated section and with middle articulated section bonded assembly locking bar, make locking bar and be fixed on the tapered end up-and-down movement on the locking bar, realize tapered end and lock away from or lock.And, as indicated above, tapered end the central axis around locking bar rotate to first towards the time can with the lock clamping; Tapered end the central axis around locking bar rotate to second towards the time can be through the breach on the lock, thereby when the rotation unlocking handle so that after moving on locking bar and the tapered end, operate turning handle again; At least the top of rotating rod lock; So that tapered end around the central axis of locking bar rotate to second towards, can realize that tapered end separates with the accessible of lock, this be since when tapered end towards second towards Shi Qike through the breach on the lock; When at this moment top cover being sling through instruments such as cranes, the motion that tapered end can not interfere lock to make progress with top cover again.On the contrary, when needs locking top cover, the operation turning handle is with the top at least of rotating rod lock, make tapered end rotate to first towards, rotate unlocking handle again so that locking bar and tapered end move down, get final product until tapered end and lock clamping.
From the description of preceding text, be appreciated that; Use the top cover latching device of the utility model; The operator can stand on ground and operate; And operating process simple (only need in perpendicular to the face of sidewall, rotate unlocking handle and in horizontal surface, operate turning handle) need not be carried out complicated guide and training to operating personal.When locking with unlocking operation to top cover, locking bar can not receive the effect of additional bending moment, thereby can not occur bending and deformation and fracture phenomenon.In addition, be in face to the operation of unlocking handle perpendicular to sidewall, be in horizontal surface to the operation of turning handle, the operational space is big, processing ease.
In the utility model content part, introduced the notion of a series of reduced forms, this will further explain in specific embodiment part.The utility model content part of the utility model does not also mean that key feature and the essential features that will attempt to limit technical scheme required for protection, does not more mean that the protection domain of attempting to confirm technical scheme required for protection.
Below in conjunction with accompanying drawing, specify the advantage and the characteristic of the utility model.
Description of drawings
The attached drawings of the utility model is used to understand the utility model in this part as the utility model.The embodiment and the description thereof of the utility model have been shown in the accompanying drawing, have been used for explaining the principle of the utility model.In the accompanying drawings,
The master of top cover latching device when being in locking state that Fig. 1 shows according to the utility model first embodiment looks scheme drawing, shows the associated components of hard open top container among the figure in the lump;
Fig. 2 shows according to the left side of top cover latching device when being in locking state of the utility model first embodiment and looks scheme drawing, shows the associated components of hard open top container among the figure in the lump;
Fig. 3 shows that top cover latching device according to the utility model first embodiment is in that tapered end separates with lock but still master during the state of interference looks scheme drawing, shows the associated components of hard open top container among the figure in the lump;
Fig. 4 shows that top cover latching device according to the utility model first embodiment is in that tapered end separates with lock but still scheme drawing is looked on the left side during state of interference, shows the associated components of hard open top container among the figure in the lump;
Master when Fig. 5 shows top cover latching device according to the utility model first embodiment and is in released state looks scheme drawing, shows the associated components of hard open top container among the figure in the lump;
Scheme drawing is looked on left side when Fig. 6 shows top cover latching device according to the utility model first embodiment and is in released state, shows the associated components of hard open top container among the figure in the lump;
Fig. 7 shows the structural representation according to the top cover latching device of second embodiment of the utility model;
The master that Fig. 8 shows according to a kind of fit structure of the tapered end of the top cover latching device of the utility model and lock looks scheme drawing;
Fig. 9 shows according to the left side of a kind of fit structure of the tapered end of the top cover latching device of the utility model and lock and looks scheme drawing;
The master that Figure 10 shows according to the another kind of fit structure of the tapered end of the top cover latching device of the utility model and lock looks scheme drawing;
Figure 11 shows according to the left side of the another kind of fit structure of the tapered end of the top cover latching device of the utility model and lock and looks scheme drawing;
The master that Figure 12 shows according to another fit structure of the tapered end of the top cover latching device of the utility model and lock looks scheme drawing;
Figure 13 shows according to the left side of another fit structure of the tapered end of the top cover latching device of the utility model and lock and looks scheme drawing;
The master that Figure 14 shows according to another fit structure of the tapered end of the top cover latching device of the utility model and lock looks scheme drawing;
Figure 15 shows according to the left side of another fit structure of the tapered end of the top cover latching device of the utility model and lock and looks scheme drawing.
The specific embodiment
In the description hereinafter, provided a large amount of concrete details and the utility model has been understood more completely so that provide.Yet, it will be apparent to one skilled in the art that the utility model can need not one or more these details and be able to enforcement.In other example,, describe for technical characterictics more well known in the art for fear of obscuring with the utility model.
In order thoroughly to understand the utility model, detailed structure will be proposed in following description.Obviously, the execution of the utility model is not limited to the specific details that those skilled in the art has the knack of.The preferred embodiment of the utility model is described in detail as follows, yet except these were described in detail, the utility model can also have other embodiments.
As depicted in figs. 1 and 2, comprise lock 1, locking bar 3, tapered end 2, middle articulated section 6, middle interconnecting piece 7, unlocking handle 9 and turning handle 4 according to the top cover latching device that is used for hard open top container of first embodiment of the utility model.Fig. 1 and Fig. 2 have described the top cover latching device of first embodiment; The structure of the top cover latching device among Fig. 1 and Fig. 2; Except having used 12 pairs of locking bars 3 of locking bar guide part, the top cover latching device among Fig. 1 leads; And do not have locking bar guide part 12 in the top cover latching device among Fig. 2 but utilize the opening on the top chord on the sidewall that locking bar 3 is led, this problem has detailed description below.
Lock 1 is used for fixing the edge at the top cover of hard open top container, and in the present embodiment, lock 1 is fixed on top cover side bar 13 places.As shown in Figure 1, this lock 1 comprises the breach of vertical perforation, but locking bar 3 vertical motions be located in this breach.Tapered end 2 is fixed on the upper end of locking bar 3, and for example tapered end 2 can weld with locking bar 3.As depicted in figs. 1 and 2, tapered end 2 the central axis around locking bar 3 rotate to first towards the time can be bearing on the lock 1, with the locking of top cover and sidewall; With reference to figure 5, can see again, tapered end 2 the central axis around locking bar 3 rotate to second towards the time can be through lock 1 breach, thereby do not interfere with lock 1, to unclamp top cover.Middle articulated section 6 is connected the lower end of locking bar 3, and locking bar 3 can rotate with respect to the central axis of middle articulated section 6 around locking bar 3; Middle interconnecting piece 7 is with respect to the central axis rotational symmetry of locking bar 3, and the upper end of middle interconnecting piece 7 is articulated section 6 in the middle of the horizontal axis of the sidewall that is parallel to hard open top container 14 is pivoted to rotationally.The upper end of unlocking handle 9 is used for being pivoted to rotationally around the horizontal axis of the sidewall that is parallel to hard open top container 14 sidewall 14 of hard open top container, and unlocking handle 9 is pivoted to the lower end of middle interconnecting piece 7 rotationally around the horizontal axis of the sidewall that is parallel to hard open top container 14.Turning handle 4 is connected to locking bar 3, is used for the central axis rotating rod lock 3 around locking bar 3.
Can know with reference to figure 3 and Fig. 4; Being arranged so that when unlocking handle 9 is rotated in the upper end that in the plane perpendicular to the sidewall 14 of hard open top container, gets around lock handle 9 of this articulated section, centre 6, middle interconnecting piece 7 and unlocking handle 9; The rotation of unlocking handle 9 can drive middle interconnecting piece 7 motions; And then articulated section 6 reaches and middle articulated section 6 bonded assembly locking bars 3 in the middle of make progress promotion or the pulling downwards; Make locking bar 3 and be fixed on tapered end 2 up-and-down movements on the locking bar 3, realize tapered end 2 and lock 1 away from or locking.And the connection structure of middle articulated section 6, middle interconnecting piece 7 and unlocking handle 9 and middle interconnecting piece 7 be with respect to the central axis rotational symmetry of locking bar 3, makes locking bar 3 when up-and-down movement, only receive along the effect of the power of the vertical direction of axial ray of lock rod.Unlocking handle 9 is the lever construction of fulcrum with the upper end that middle interconnecting piece 7 forms with unlocking handle, makes rapid operation.In addition; As indicated above, tapered end 2 the central axis around locking bar 3 rotate to first towards the time can be bearing on the lock 1, tapered end 2 the central axis around locking bar 3 rotate to second towards the time can be through the breach on the lock 1; Thereby can know with reference to figure 5 and Fig. 6; When rotating unlocking handle 9 so that after moving on locking bar and the tapered end, operate turning handle 4 again, make locking bar 3 with respect to middle articulated section 6 around the rotational of locking bar 3 so that tapered end 2 around the central axis of locking bar 3 rotate to second towards; Can realize that tapered end 2 separates with the accessible of lock 1; This is to pass through breach lock 1 on towards second towards Shi Qike owing to work as tapered end 2, when at this moment top cover being sling through instruments such as cranes, and the motion that tapered end 2 can not interfere lock to make progress with top cover again.On the contrary; When needs locking top cover; The operation turning handle 4 so that locking bar 3 with respect to the rotational of middle articulated section 6 around locking bar 3; Make tapered end 2 rotate to first towards, rotate unlocking handle 9 again so that locking bar and tapered end move down, be bearing in until tapered end 2 and get final product (as depicted in figs. 1 and 2) on the lock 1.
From the description of preceding text, be appreciated that; Use the top cover latching device of the utility model; The operator can stand on ground and operate (as long as with unlocking handle 9 palp height when changeing handle 4 and be arranged on the operator and stand on ground); And operating process simple (only need in perpendicular to the face of sidewall 14, rotate unlocking handle 9 and operation turning handle 4 in horizontal surface) need not be carried out complicated guide and training to operating personal.When locking with unlocking operation to top cover, locking bar can not receive the effect of additional bending moment, thereby can not occur bending and deformation and fracture phenomenon.In addition, be in face to the operation of unlocking handle perpendicular to sidewall, be in horizontal surface to the operation of turning handle, the operational space is big, processing ease.
In the present embodiment; Through operation turning handle 4, locking bar 3 can be integrally rotates with respect to the central axis of middle articulated section 6 around locking bar 3, with realize tapered end 2 turn to first towards or second towards; Thereby the up-and-down movement with locking bar 3 cooperates again, realizes the locking and the release of tapered end 2 and lock 1.As shown in Figure 1, preferably, the lower end of locking bar 3 can around the central axis of locking bar 3 pivotally pin joint in middle articulated section 6.More preferably, in the present embodiment, the lower end of locking bar 3 also is provided with screw thread; The part that the lower end of locking bar 3 is provided with screw thread be threaded first nut 51 and second nut 52; The top of articulated section 6 in the middle of first nut 51 is positioned at; The below of articulated section 6 in the middle of second nut 52 is positioned at; And leave the gap between first nut and second nut and the middle articulated section 6, thereby can not hinder the rotation of locking bar 3 with respect to middle articulated section 6.
Be appreciated that; In practice; Locking bar 3 and unnecessary integral body turn with respect to middle articulated section 6, but can captive joint with middle articulated section 6 in the bottom of locking bar 3; Only top can be rotated around the central axis of locking bar 3 with respect to middle articulated section 6, can realize tapered end 2 turn to first towards or second towards.
As shown in Figure 1, preferably, in the present embodiment, middle interconnecting piece 7 comprises first connecting rod 701 and second connecting rod 702, and the two ends of articulated section 6 in the middle of the upper end of the upper end of first connecting rod 701 and second connecting rod 702 is articulated in respectively are to form symmetrical structure; Unlocking handle 9 has first protrusion 901 of the mutual reverse extension of on even keel and the lower end that second protrusion, 902, the first protrusions 901 are pivoted to first connecting rod 701, and second protrusion 902 is pivoted to the lower end of second connecting rod 702.The middle interconnecting piece 7 of this connecting rod form and the protrusion of cooresponding with it unlocking handle 9 are simple in structure, easy to connect.
More preferably, in the present embodiment, be connected with enhancing attaching parts 703 between first connecting rod 701 and the second connecting rod 702, to strengthen the rigidity of middle interconnecting piece 7.
In addition; With reference to figure 1 and Fig. 2; Top cover latching device in the present embodiment also comprises latch 10, and this latch 10 is used to be connected to the sidewall 14 of hard open top container, and when unlocking handle 9 is fitted with the sidewall 14 of hard open top container, the lower end of unlocking handle 9 is locked to the sidewall of hard open top container.
This latch 10 can be any fixedly structure of unlocking handle 9 that is fit to; Preferably; In the present embodiment; As depicted in figs. 1 and 2, latch 10 comprises latch body 1001 and latch body guide part 1002, and latch body 1001 is used for when unlocking handle 9 is fitted with the sidewall 14 of hard open top container the fixedly lower end of unlocking handle 9; Latch body guide part 1002 is used for fixing the sidewall 14 to hard open top container, and latch body 1001 is located in the latch body guide part 1002.Like this, latch body guide part 1002 can play the directional tagging to latch body 1001.As depicted in figs. 1 and 2, when unlocking handle 9 is fitted with the sidewall 14 of hard open top container, latch body 1001 is released the bottom that can block unlocking handle 9 along latch body guide part 1002; Like Fig. 3 and shown in Figure 4, when needing to rotate (lifting) unlocking handle 9, just latch body 1001 pushes back along latch body guide part 1002, can remove the kayser to unlocking handle.
In the top cover latching device of Fig. 2, but locking bar 3 is located in the top chord 15 on the sidewall 14 of hard open top container with being used for vertical motion.Just, the opening of the diameter that is slightly larger than locking bar 3 is set in the top chord 15 on the sidewall 14 of hard open top container, plays directional tagging with up-and-down movement to locking bar 3.In the top cover latching device of Fig. 1; The top cover latching device also comprises locking bar guide part 12; Locking bar guide part 12 is used for fixing to the sidewall 14 of hard open top container or top chord 15 (sidewall 14 is seen Fig. 2 with top chord 15), but locking bar 3 vertical motions be located in the locking bar guide part 12.Can know the different guidance modes of locking bar with the top cover latching device among Fig. 2 through Fig. 1,, can select the mode of different guiding to locking bar 3 according to the position of lock 1, the particular cases such as length that lock 1 extends the part of top cover side bar 13.
In addition, lock 1 can have straight upper surface, and tapered end 2 correspondingly directly is bearing on the upper surface of lock 1.For example, like Fig. 8 and shown in Figure 9, lock 1 can be included in two cylinders (gap between these two cylinders forms the opening of above-mentioned vertical perforation) that are parallel to each other in the horizontal surface and extend to the freight container outside; Accordingly, tapered end 2 be in first towards the time can with the bearing of trend quadrature of lock 1 be bearing on the lock 1.Again for example, like Figure 10 and shown in Figure 11, lock 1 can be the horizontal plate of opening with vertical perforation; Accordingly, tapered end 2 be in corresponding towards the time, be bearing on the tabular lock 1 with striding across this opening that vertically connects.
Preferably, tapered end 2 be in first towards the time can with lock 1 clamping, preventing tapered end 2, thereby more firmly top cover and sidewall are locked to the outer translation in the freight container outside.And, be appreciated that the mutual clamping between tapered end 2 and the lock 1 can realize with the structure of various mutual clamping.More preferably, as depicted in figs. 1 and 2, in the present embodiment, the upper surface of lock 1 has recess; The lower surface of tapered end 2 has the salient with the recess coupling, to form both mutual clampings.In the present embodiment, 2 of tapered ends as can with the recess of lock 1 clamping cylindrical mutually.Certainly, in practice, the lower surface that also can be set to tapered end 2 has recess; The upper surface of lock 1 has the salient with the recess coupling, to form both mutual clampings.
Perhaps preferably, the end towards the hard open top container outside of lock 1 can upwards bend, and preventing tapered end 2 to the outer translation in the freight container outside, thereby more firmly top cover and sidewall is locked.For example; Like Figure 12 and shown in Figure 13; Lock 1 can comprise two cylinders (gap between these two cylinders forms the opening of above-mentioned vertical perforation) that main body is parallel to each other and extend to the freight container outside in horizontal surface, these two cylindrical towards the upwards bending of the end in the hard open top container outside; Accordingly, tapered end 2 be in first towards the time can with the bearing of trend quadrature of lock 1 be bearing on the lock 1, and stop by the upwards end of bending of lock 1.Again for example, like Figure 14 and shown in Figure 15, lock 1 can comprise the horizontal plate of the opening with vertical perforation, and upwards bends in the end towards the hard open top container outside; Accordingly, tapered end 2 be in corresponding towards the time, stride across this opening that vertically connects ground and be bearing on the lock 1, and stop by the end that upwards bends of lock 1.
In addition, preferably, can turning handle 4 removably be connected to locking bar 3.This is because owing to locking bar 3 damages with respect to miscellaneous part more easily, if turning handle 4 removably is connected with locking bar 3, then when needing repairing or replace locking bar 3, can turning handle 4 be pulled down, and from the freight container top locking bar 3 proposed with maintenance or replacing.
Preferably; As illustrated in fig. 1 and 2; The top cover latching device can also comprise unlocking handle bearing 8; This unlocking handle bearing 8 is used for fixing the sidewall 14 to hard open top container, and the upper end of unlocking handle 9 is pivoted to unlocking handle bearing 8 rotationally around the horizontal axis of the sidewall that is parallel to hard open top container 14.
In addition, preferably, the lower end of locking bar 3 is plugged in the middle articulated section 6, and the depth-adjustment joint in the articulated section 6 in the middle of locking bar 3 insertions, is the effective length of scalable locking bar 3 like this.Lower end with locking bar 3 mentioned above screw thread is set and connect first nut 51 and second nut 52 (first nut 51 be positioned in the middle of the top of articulated section 6, the below of articulated section 6 in the middle of second nut 52 is arranged in) structure be a kind of concrete realization locking bar 3 insert in the middle of the mode of depth-adjustment joint of articulated section 6.
As depicted in figs. 1 and 2, in the time need locking to the top cover of hard open top container, through turning handle 4 with tapered end 2 be positioned to first towards, rotating unlocking handle 9, make it be adjacent to sidewall 14, and with latch 10 with the locking unlocking handle 10 get final product.At this moment, middle connecting device 7 and unlocking handle 8 self-lockings.
When needs carry out release to top cover, like Fig. 3 and shown in Figure 4, rotate unlocking handle 9 to sidewall 14 outsides, drive middle interconnecting piece 7, and then drive locking bar 3, tapered end 2 upward movements, realize that tapered end 2 leaves lock 1; Then, like Fig. 5 and shown in Figure 6, operation turning handle 4, make tapered end 2 be positioned to second towards, thereby make tapered end 2 and lock 1 release, can carry out the crane lifting service of top cover then.
As shown in Figure 7; Basic identical according to the top cover latching device of second embodiment of the utility model with top cover latching device according to first embodiment of the utility model; Except in the top cover latching device of second embodiment, locking bar 3 comprises down locking bar portion 301 and last locking bar portion 302.Captive joint with middle articulated section 6 in the lower end of this time locking bar portion 301, lower end of locking bar portion 301 is connected with the upper end of following locking bar portion 302 on this, and go up locking bar portion 301 and can rotate with respect to locking bar portion 302 down.Turning handle 4 is connected in the locking bar portion 301, need to change tapered end 2 towards the time only rotate and go up locking bar portion 301 and get final product through turning handle 4.
Preferably, the lower end of the last locking bar portion 301 in the present embodiment is welded with screw collar 301a, and the upper end of following locking bar portion 302 is threaded among this screw collar 301a, thereby has realized simply can be connected rotationally each other between last locking bar portion 301 and the following locking bar portion 302.
In the present embodiment, ground identical with first embodiment, the lower end of following locking bar portion 302 is provided with screw thread; The lower end screw thread of following locking bar portion 302 be connected with first nut 501 and second nut, 502, the first nuts 501 be positioned in the middle of the top of articulated section 6, the below of articulated section 6 in the middle of second nut 502 is positioned at.Yet; Different ground with first embodiment; In the present embodiment; First nut 501 and second nut 502 will descend locking bar portion 302 and middle articulated section 6 to interfix, and just first nut 501 and second nut 502 seamlessly are tightened in down in the locking bar portion 302 with middle articulated section 6, to realize down the fixing of locking bar portion 302 and middle articulated section 6.
Another aspect according to the utility model; A kind of hard open top container also is provided; This hard open top container comprises base plate, is positioned at the sidewall of the edge of base plate, is positioned at the top cover at top and any above-mentioned top cover latching device, and wherein lock 1 is fixed on the edge of top cover; The upper end of unlocking handle 9 is pivoted to sidewall rotationally around the horizontal axis that is parallel to sidewall.The operator may stand on the ground and easily the top cover of this hard open top container is locked and release.
The utility model is illustrated through the foregoing description, but should be understood that, the foregoing description just is used for for example and illustrative purposes, but not is intended to the utility model is limited in the described scope of embodiments.It will be understood by those skilled in the art that in addition; The utility model is not limited to the foregoing description; Instruction according to the utility model can also be made more kinds of variants and modifications, and these variants and modifications all drop in the utility model scope required for protection.The protection domain of the utility model is defined by appended claims book and equivalent scope thereof.