Pallet box lockset and pallet box
Technical field
The utility model relates to the pallet box technical field, relates in particular to a kind of pallet box lockset and pallet box.
Background technology
Pallet box is mainly used to the fluidised form goods such as transport liquid, particle and powdery solid.The handling load in order to protect, as shown in Figure 1, pallet box all can be provided with top cover 1 usually, and top cover 1 is sealed by lockset 3 and sidewall 2 in transportation, makes top cover 1 be in all the time closed condition in transportation.When top cover 1 and sidewall 2 is sealed, the handle 4 of Turning lockset 3 and on move locking bar 5 stretched in the top cover 1, subsequently again with handle 4 opposite spins, the inside that the latch hook 6 at these hour locking lever 5 tops can hang over top cover 1 prevents that locking bar 5 from descending, thereby reaches the purpose that top cover 1 and sidewall 2 is sealed.
Yet be mounted with at pallet box under the state of fluidised form goods, fluidised form goods in the pallet box can produce certain pressure to the sidewall 2 of pallet box, the rigidity of sidewall 2 is limited in addition, can make sidewall 2 that deformation occurs, and sidewall 2 will be become by light condition shown in Figure 2 loading condition shown in Figure 3.Comparison diagram 2 and Fig. 3 can find out, the sidewall 2 under loading condition to the pallet box outside skew has occured.Like this, will be as shown in Figure 3, the locking bar 5 of lockset 3 can't stretch in the top cover 1, and causing can't be sealed with top cover 1 and sidewall 2.
Therefore, need a kind of pallet box lockset and pallet box, to solve problems of the prior art.
The utility model content
In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides a kind of pallet box lockset, comprising: support, described support are used for being fixed on the sidewall of pallet box, and are provided with mounting hole; Locking bar, described locking bar and described mounting hole free-running fit, be provided with for top cover and the sealed latch hook of described sidewall with described pallet box at the top of described locking bar, described latch hook is set to the depressed part that a side and/or the side towards described pallet box inside towards described pallet box outside has indent under released state, and described depressed part axially runs through described latch hook described locking bar.
Preferably, the width that makes progress in the footpath of described locking bar of described depressed part be less than or equal to described locking bar diameter 30%.
Preferably, the width that makes progress in the footpath of described locking bar of described depressed part is 1-4mm.
Preferably, described pallet box lockset also comprises handle, and described handle is captiveed joint with described locking bar, is used for driving described locking bar rotation and drives described locking bar mobile vertically.
The utility model also provides a kind of pallet box, comprise top cover and sidewall, the side bar of described top cover is provided with first and passes through the hole, the upper beam of described sidewall is being provided with second by corresponding position, hole and is passing through the hole with described first, also comprise above-mentioned pallet box lockset, described pallet box lockset be installed on the described sidewall and make described locking bar can pass described first by hole and described second by the hole with described top cover with described sidewall is sealed or release.
Preferably, described first by hole and described second by hole alignment, described latch hook is set to that the side of described latch hook towards described pallet box outside has described depressed part under released state.
Preferably, described first departs to the outside of described pallet box by the hole with respect to described second by the hole, and described latch hook is set to that the side of described latch hook towards the inside of described pallet box has described depressed part under released state.
Preferably, described first departs to the outside of described pallet box by the hole with respect to described second by the hole, and described latch hook is set to described latch hook under the released state and all has described depressed part towards a side of the inside of described pallet box and the side towards the outside of described pallet box.
Preferably, described top cover stretches out described sidewall.
According to pallet box lockset of the present utility model, because latch hook is set under released state towards a side of pallet box outside and/or the depressed part that has indent towards a side of pallet box inside, and this depressed part is at the axial latch hook that runs through of locking bar, finish sealed and release to top cover and sidewall by second of hole and sidewall by the hole so that first of top cover occurs at the top cover of pallet box and sidewall still can to pass swimmingly in the situation of dislocation locking bar, improved the convenience that pallet box uses.
Introduced the concept of a series of reduced forms in the utility model content part, this will further describe in specific embodiment part.The utility model content part 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 determine technical scheme required for protection.
Below in conjunction with accompanying drawing, describe advantage of the present utility model and feature in detail.
Description of drawings
Following accompanying drawing of the present utility model is used for understanding the utility model at this as a part of the present utility model.Shown in the drawings of embodiment of the present utility model and description thereof, be used for explaining principle of the present utility model.In the accompanying drawings,
Fig. 1 is the structural representation that top cover and the sidewall of pallet box is connected by lockset;
Fig. 2 is the relative position schematic diagram of pallet box top cover and sidewall under light condition;
Fig. 3 is the relative position schematic diagram of pallet box top cover and sidewall under loading condition;
Fig. 4 is the structural representation according to the pallet box lockset of a kind of embodiment of the present utility model;
Fig. 5 is the top cover of pallet box and the locked state schematic diagram of sidewall;
Fig. 6 is the top cover of pallet box and the released state schematic diagram of sidewall;
Fig. 7 is the structural representation according to the pallet box of a kind of embodiment of the present utility model;
Fig. 8 is by the position relationship schematic diagram of hole under light condition according to the locking bar of a kind of embodiment of the present utility model and first;
Fig. 9 is by the position relationship schematic diagram of hole under loading condition according to the locking bar of a kind of embodiment of the present utility model and first;
Figure 10 is by the position relationship schematic diagram of hole under light condition according to the locking bar of another kind of embodiment of the present utility model and first;
Figure 11 is by the position relationship schematic diagram of hole under loading condition according to the locking bar of another kind of embodiment of the present utility model and first;
Figure 12 is by the position relationship schematic diagram of hole under light condition according to the locking bar of another embodiment of the present utility model and first;
Figure 13 is by the position relationship schematic diagram of hole under loading condition according to the locking bar of another embodiment of the present utility model and first.
The specific embodiment
In the following description, having provided a large amount of concrete details understands the utility model more thoroughly in order to 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 implemented.In other example, for fear of obscuring with the utility model, be not described for technical characterictics more well known in the art.
In order thoroughly to understand the utility model, detailed structure will be proposed in following description.Obviously, execution of the present utility model is not limited to the specific details that those skilled in the art has the knack of.Preferred embodiment of the present utility model is described in detail as follows, yet except these were described in detail, the utility model can also have other embodiments.
The utility model discloses a kind of pallet box lockset, as shown in Figure 4, comprise support 10 and locking bar 30.Wherein, support 10 is used for being fixed on the sidewall of pallet box, and is provided with mounting hole 11 at support 10.Locking bar 30 inserts in the mounting hole 11, locking bar 30 is free-running fit with mounting hole 11, gap between the two should guarantee that locking bar 30 can slide up and down swimmingly in mounting hole 11, locking bar 30 will guarantee that also locking bar 30 upwards has enough adjustment amounts in the footpath of mounting hole 11, so that can deformation not occur because of the top cover of pallet box or the interference of sidewall under locked state.Be provided with for top cover and the sealed latch hook 31 of sidewall with pallet box at the top of locking bar 30, latch hook 31 refers to can to pass the part of passing through hole (example as shown in Figure 5 second pass through hole 41) of the upper beam that passes through hole (example as shown in Figure 5 first by hole 21) and sidewall of the side bar of top cover when this pallet box lockset is installed on the pallet box.This latch hook 31 need to be set to the depressed part 33 that a side and/or the side towards pallet box inside towards the pallet box outside has indent under released state, and this depressed part 33 is at the axial latch hook 31 that runs through of locking bar 30.Here the locked state of mentioning refers to, as shown in Figure 5, pass first on the side bar that is arranged on top cover 20 when locking bar 30 by hole 21 and be arranged on second on the upper beam of sidewall 40 by rotation behind the hole 41, latch hook 31 is pressed on the side bar of top cover 20, top cover 20 just can't be opened like this, and this moment, latch hook 31 namely was in locked state.As for released state, with reference to figure 6, locking bar 30 from the rotation of sealed state until locking bar 30 arrive can be from the first position that passes by hole 41 by hole 21 and second, top cover 20 no longer was subjected to the compacting of latch hook 31 and can opens this moment, latch hook 31 namely is in released state.Certainly, locking bar 30 residing any one position in the process that slides up and down also belongs to released state.
The disclosed pallet box lockset of the utility model is because being set to latch hook 31 depressed part 33 that a side and/or the side towards pallet box inside towards the pallet box outside has indent under released state, and this depressed part 33 is at the axial latch hook 31 that runs through of locking bar 30, finish sealed and release to top cover 20 and sidewall 40 by second of hole 21 and sidewall 40 by hole 41 so that first of top cover 20 occurs at the top cover 20 of pallet box and sidewall 40 still can to pass swimmingly in the situation of dislocation locking bar 30, improved the convenience that pallet box uses.
Preferably, in order further to improve the crossing ability of locking bar 30, can chamfering be set at the top place of latch hook 31.
In order to guarantee the intensity of locking bar 30 after being provided with depressed part 33, preferably, the width that depressed part 33 makes progress in the footpath of locking bar 30 be less than or equal to locking bar 30 diameter 30%.The width that perhaps when depressed part 33 is set depressed part 33 is made progress in locking bar 30 footpath is controlled in 1 to 4mm the scope, so both can guarantee that locking bar 30 had better crossing ability, also can not produce to the intensity of locking bar 30 obvious negative effect simultaneously.
Of the present utility model a kind of preferred embodiment in, the pallet box lockset comprises that also the handle 50(of captiveing joint with locking bar 30 is referring to Fig. 4), this handle 50 can be used for driving the rotation of locking bar 30, can also be used for simultaneously driving locking bar 30 mobile vertically, make operating personal more convenient when manipulation locking bar 30 rotates and moves vertically.For handled easily personnel gripping handle 50, handle 50 can be set to U-shaped, increases the zone that staff can grip.
Preferably, can also be equipped with locking bar connecting element 70(referring to Fig. 4 for the pallet box lockset), locking bar connecting element 70 can be first and support 10 connect as one, and then the two is fixed on the sidewall of pallet box together.Locking bar connecting element 70 with can place by the part with support 10 locking bar connecting element 70 being connected of support 10 among realize, first spatial accommodation 71 that can be formed on simultaneously and under the second spatial accommodation 73.According to mode shown in Figure 4, can be on locking bar 30 handle 50 of captive joint U-shaped, two straight flanges of the handle 50 of U-shaped lay respectively at the up and down both sides that support 10 is arranged in the part of locking bar connecting element 70.Under released state, the first spatial accommodation 71 is used for holding the top straight flange of handle 50; Under locked state, the second spatial accommodation 73 is used for holding the straight flange on the lower (referring to Fig. 5) of handle 50.In order to prevent that handle 50 breaks away from the first spatial accommodation 71 or the second spatial accommodation 73 because of reasons such as vibrations, be provided with respectively to the first spatial accommodation and the outstanding stopper protrusion 75 of the second spatial accommodation in the part that is arranged in locking bar connecting element 70 of locking bar connecting element 70 and/or support 10.Because handle 50 is captiveed joint with locking bar 30, therefore indirectly reached the purpose of the motion of restriction locking bar 30 by the motion of restriction handle 50.
The utility model also provides a kind of pallet box, comprises that top cover 20 and sidewall 40(are referring to Fig. 7).As shown in Figure 5 and Figure 6, the side bar of top cover 20 is provided with first by hole 21, and the upper beam of sidewall 40 is being provided with second by hole 41 with first by corresponding position, hole 21.In addition, above-mentioned pallet box lockset is installed also on sidewall 40, the locking bar 30 of this pallet box lockset can pass first by hole 21 and second by hole 41 to realize the sealed and release to top cover 20 and sidewall 40.
Specifically introduce the specific embodiment of three kinds of pallet boxes below with reference to Fig. 8 to Figure 13.
As shown in Figure 8, pallet box is in light condition at this moment, and first aligns by hole 41 with second by hole 21, and the latch hook of locking bar 30 need to be set to that the side of latch hook 31 towards the pallet box outside has depressed part 33 under released state 31 this moments.When pallet box is in loading condition shown in Figure 9, because producing to the displacement of pallet box outside, sidewall 40 make second to produce skew by hole 21 to the outside of pallet box with respect to first by hole 41, cause first to pass through hole 21 and second by hole 41 dislocation, and the latch hook 31 that is under the released state is able to successfully from first pass by hole 21 because the side towards the pallet box outside has depressed part 33, thereby finishes the sealed and release to top cover 20 and sidewall 40.
In embodiment shown in Figure 10, this moment, pallet box was in light condition, first departs to the outside of pallet box by hole 41 with respect to second by hole 21, and the latch hook 31 of locking bar 30 need to be set to that the side of latch hook 31 towards the inside of pallet box has depressed part 33 under released state.Like this, thus locking bar 30 just can successfully pass first is in the sealed and release of finishing under the unloaded state top cover 20 and sidewall 40 by hole 21 at pallet box.When pallet box is in loading condition shown in Figure 11, because the displacement that sidewall 40 produces to the pallet box outside, just make second to obtain reducing by the degree of misalignment between the hole 21 by hole 41 and first, locking bar 30 can successfully pass equally first and finish sealed and release to top cover 20 and sidewall 40 by hole 21.
Preferably, top cover 20 is stretched out sidewall 40(referring to Figure 10 and Figure 11).Like this, just can basically keep aliging with top cover 20 after the outside generation of pallet box displacement in the state lower wall 40 of loading, improve the attractive in appearance of the profile of pallet box under loading condition.
According to embodiment shown in Figure 12, pallet box is in light condition equally, first departs to the outside of pallet box by hole 41 with respect to second by hole 21, and the latch hook 31 of locking bar 30 need to be set under released state latch hook 31 and all have depressed part 33 towards a side of the inside of pallet box and the side towards the outside of pallet box.Like this, thus locking bar 30 can successfully pass first is in the sealed and release of finishing under the unloaded state top cover 20 and sidewall 40 by hole 21 at pallet box.When pallet box is in loading condition shown in Figure 13, because the displacement that sidewall 40 produces to the pallet box outside, just make second to obtain reducing by the degree of misalignment between the hole 21 by hole 41 and first, locking bar 30 can successfully pass equally first and finish sealed and release to top cover 20 and sidewall 40 by hole 21.And because the side of latch hook 31 towards the outside of pallet box also has depressed part 33 under released state, therefore when appearring in sidewall 40 under loading condition, larger displacement hour locking lever 30 can successfully pass equally first by hole 21.
Preferably, top cover 20 is stretched out sidewall 40(referring to Figure 12 and Figure 13).Like this, just can basically keep aliging with top cover 20 after the outside generation of pallet box displacement in the state lower wall 40 of loading, improve the attractive in appearance of the profile of pallet box under loading condition.
In sum, the disclosed pallet box lockset of the utility model is set under released state towards a side of pallet box outside and/or the depressed part that has indent towards a side of pallet box inside because of latch hook, and this depressed part is at the axial latch hook that runs through of locking bar, finish sealed and release to top cover and sidewall by second of hole and sidewall by the hole so that first of top cover occurs at the top cover of pallet box and sidewall still can to pass swimmingly in the situation of dislocation locking bar, improved the convenience that pallet box uses.
The utility model is illustrated by above-described embodiment, but should be understood that, above-described embodiment just is used for for example and the purpose of explanation, 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 above-described embodiment; can also make more kinds of variants and modifications according to instruction of the present utility model, these variants and modifications all drop in the utility model scope required for protection.Protection domain of the present utility model is defined by the appended claims and equivalent scope thereof.