A kind of freight container
Technical field
The present invention relates to freight container, particularly relate to a kind of freight container with catch gear.
Background technology
Freight container as logistics transportation means commonly used generally includes: base plate, relative to one another be fixed on the base plate both sides two side plates, be arranged on base plate one end openable door-plate, be fixed on the end plate of the base plate other end.When handling goods, need at first open door-plate.And in the freight container traffic process, the door-plate transportation safety of state that will keep shut with goods in the guard box.Therefore, on freight container, also be provided with the catch gear that can door-plate be locked in closed condition usually.
For present general container, opening of catch gear and locking operation are mostly taked manually-operated mode.Yet under some special occasions, as when transporting particular cargo (for example rubbish), take manual operation can't satisfy actual user demand.People hope and can realize the operation to catch gear through automatic guidance.
Summary of the invention
The object of the present invention is to provide a kind of freight container, this freight container is provided with the catch gear that can operate through the automation mode.
For realizing above-mentioned purpose, the present invention proposes a kind of freight container, comprise base plate, relative to one another be arranged on these base plate both sides two side plates, be arranged on this base plate one end openable door-plate, be arranged on the end plate of this base plate other end.This freight container comprises that also at least one is used to lock the catch gear of this door-plate.This catch gear comprises: locking bar can be arranged on the outside of corresponding side plate rotationally between an open position and a locked position; At least one cover connecting rod mechanism, this connecting rod mechanism one end is fixed to this locking bar and the other end matches with this door-plate, wherein; When this locking bar turns to open position; This connecting rod mechanism and this door-plate are separated, when this locking bar turns to locked position, and this this door-plate of connecting rod mechanism locking; First bevel gear is fixed on this locking bar with this locking bar coaxially; Second bevel gear is arranged on the outside of corresponding side plate rotationally and is meshed with this first bevel gear; And at least one is used to drive the driving cylinder that this second bevel gear rotates.
Preferably, every cover connecting rod mechanism comprises: extension rod, an end are fixed to this locking bar and stretch out from this locking bar; Latch hook, an end of this latch hook are provided with and are used for the hook portion that matches with this door-plate; And connecting rod, the two ends of this connecting rod are pivotally connected to the other end of this extension rod and the other end of this latch hook respectively, and the pivot that wherein is used for connecting this connecting rod and this latch hook is limited to a chute movably, and this chute is arranged on the desired location of corresponding side plate.Wherein, when this locking bar turned to locked position, the hook portion of this latch hook was hooked this door-plate, and this extension rod extends near cooresponding side plate and to the direction away from this door-plate; When this locking bar turned to open position, the hook portion of this latch hook and this door-plate were separated, and this extension rod becomes predetermined angular with corresponding side plate.
Preferably, for every cover connecting rod mechanism, this catch gear also comprises the inhibiting device that is used to limit this latch hook rotation direction.
Preferably, this latch hook also comprises bar portion, and this inhibiting device comprises the inboard that is separately positioned on this latch hook bar portion and the block and the pin in the outside.
Preferably; This bar portion comprise first section of being provided with this hook portion and with respect to this first section towards second section of this side plate bevelled; Wherein when locking bar is in locked position, this block and this bar portion first section matches and this pin and this bar portion second section matches; When this locking bar was shown in an open position, this block and this pin all matched with second section of this bar portion.
Preferably, this connecting rod is to crooked outstanding away from the direction of this side plate.
Preferably, this chute along continuous straight runs is provided with.
Preferably, this catch gear comprises two driving cylinders, and the type of said driving cylinder is oil cylinder or cylinder.
Preferably; Be fixed with a support on the end face of this second bevel gear; Be fixed with a cross bar on the end face of this second bevel gear; The two ends of this cross bar extend beyond this end face and respectively pivotal joint one articulated pole is arranged, the bottom pivotal joint of this each articulated pole has a push rod, said two driving cylinders are separately positioned on each self-corresponding push rod below.
Preferably, the desired location of this container bottom board is provided with two grooves, and each said push rod is limited in the cooresponding groove movably.
Preferably, this first bevel gear is fixed to the bottom of this locking bar, and this second bevel gear is set to the outside of this container bottom board rotationally.
Preferably, this catch gear comprises the parallel connecting rod mechanism of three covers.
Preferably, wherein a cover connecting rod mechanism comprises that also the end that links to each other with this connecting rod from this extension rod is to the handle away from the direction extension of this locking bar.
Preferably; This catch gear also comprises and is used for this locking bar is remained on the safety device on this locked position; This safety device comprises: the first parallel dwang and second dwang; This first dwang and second dwang are arranged on this side plate respectively rotationally, and in them each has respectively away from first end of this locking bar with near second end of this locking bar; Pipe link, the two ends of this pipe link are pivotally connected to first end of this first dwang and first end of this second dwang respectively; With the safety pin that this handle matches, be arranged on second end of this first dwang; And be used to drive the jacking cylinder that this second dwang rotates, being connected to second end of this second dwang, the type of this jacking cylinder is oil cylinder or cylinder.
Preferably, this freight container comprises two catch gears, is separately positioned on the opposing sideplates.
The present invention is through gear transmission and utilize driving cylinder to come the rotation of driven wheel, thereby has realized the automation mechanized operation of opening and locking of catch gear.Locking mechanism structure among the present invention is simple, be easy to realize.The compact conformation that is arranged so that whole catch gear of bevel gear.Where necessary, still can operate catch gear, improve the safety and the reliability of freight container through manual type.
Below in conjunction with accompanying drawing and detailed embodiment the present invention is elaborated.
Description of drawings
Fig. 1 shows the freight container that is provided with catch gear according to of the present invention;
Fig. 2 is the enlarged diagram of catch gear among Fig. 1;
Fig. 3 a and 3b are the enlarged diagram of bevel gear among Fig. 2, show the state of driving cylinder when making locking bar to locked position and open position rotation respectively;
Fig. 3 c is the cutaway view along IIIC-IIIC line among Fig. 3 a, shows the matching relationship of two bevel gears;
Fig. 4 and Fig. 5 are the birds-eye view of connecting rod mechanism among Fig. 2, and wherein connecting rod mechanism is in locking state and open mode respectively; And
Fig. 6 is the enlarged diagram of safety device among Fig. 2, and wherein, this safety device is in open mode.
The specific embodiment
Below, through exemplary embodiment the present invention is specifically described.Yet should be appreciated that under the situation that is not having further narration element, structure and characteristic in embodiment also can be attached in other embodiment valuably.
As shown in Figure 1, freight container 10 of the present invention, comprise base plate 11, relative to one another be arranged on the base plate both sides two side plates 12, be arranged on an end of base plate 11 openable door-plate 13, be arranged on the end plate 14 of the other end of base plate 11.This freight container can be provided with top board also can not be provided with top board.Also be provided with at least one catch gear that is used for lock door panel 13 20 in the side of freight container.Preferably, can on two relative side plates, a catch gear be set respectively, to realize locking better to door-plate.
As shown in Figure 2, catch gear 20 comprises: locking bar 21 is arranged on the outside of side plate 12, and can between an open position and a locked position, rotates; First bevel gear 22 is fixed to this locking bar coaxially with locking bar 21; Second bevel gear 23 is arranged on the outside of side plate 13 rotationally and is meshed with first bevel gear 22; At least one is used to drive the driving cylinder that second bevel gear 23 rotates; And at least one cover is used for the connecting rod mechanism 30 that matches with door-plate 13.Here, driving cylinder can adopt oil cylinder also can adopt cylinder.One end of connecting rod mechanism 30 is fixed to locking bar 21 and the other end matches with door-plate 13.When locking bar 21 turned to open position, connecting rod mechanism 30 was separated with door-plate 13, thereby makes door-plate freely to open; When locking bar 21 turns to locked position, connecting rod mechanism 30 these door-plates of locking, so that door-plate 13 is remained on closed condition, this moment, door-plate can not be unlocked.
Suitably the controlling and driving cylinder can be so that second bevel gear 23 rotates to predetermined direction.Along with the rotation of second bevel gear 23, the also corresponding rotation of first bevel gear 22 that is engaged with is rotated between locked position and open position thereby drive locking bar 21.Like this, can realize automatic guidance through the operation driving cylinder, and need not the manual operation catch gear catch gear 20.
In an example, a driving cylinder 24a, 24b are set respectively in the both sides of second bevel gear 23.Simultaneously, shown in Fig. 3 a-3c, second bevel gear 23 is set to the pinion stand 28 that is positioned on the container bottom board 11 rotationally, on its end face, is fixed with a cross bar 25.The two ends of cross bar 25 extend beyond the end face of second bevel gear 23, and pivotal joint has an articulated pole 26 respectively.The bottom pivotal joint of each articulated pole 26 has a push rod 27.The correspondence position of container bottom board 11 is provided with two grooves 112, and said push rod 27 can be limited in the cooresponding groove 112 up or down.Two driving cylinder 24a, 24b are separately positioned on the below of groove 112, correspond respectively to a push rod 27.These two driving cylinders of proper handling can make second bevel gear 23 rotate to anticipated orientation.
In the example shown in Fig. 3 a, the 3b, when driving cylinder 24a withdrawal, driving cylinder 24b elongation, move on the push rod 27 in left side, make second bevel gear 23 rotate along clockwise direction, rotate to locked position thereby drive locking bar 21, shown in Fig. 3 a; When driving cylinder 24a elongation, driving cylinder 24b withdrawal, move on the push rod 27 on right side, make second bevel gear 23 along anticlockwise motion, rotate to open position thereby drive locking bar 21, shown in Fig. 3 b.
Preferably, first bevel gear 22 is fixed to the bottom of locking bar 21.Driving cylinder 24a and 24b can be used as corollary equipment and are arranged on the freight container outside, for example are used to transport the vehicle of this freight container, and are placed into container base when needed to realize the automatic operation to catch gear.Those of ordinary skill in the art should be understood that, also can driving cylinder be arranged on container base or other suitable position, does not specify here.
The connecting rod mechanism 30 that is used for lock door panel 13 can have multiple implementation.Shown in Figure 4 and 5, connecting rod mechanism comprises according to an embodiment of the invention: extension rod 31, one of which end are fixed to locking bar 21 and stretch out from locking bar 21; Latch hook 33, the one of which end is provided with hook portion 331, is used for matching with door-plate 13; And connecting rod 32.The two ends of connecting rod 32 are pivotally connected to the other end of extension rod 31 and the other end of latch hook 33 respectively.On the desired location of side plate 12, be provided with chute 35, the pivot 34 that connects connecting rod 32 and latch hook 33 is limited in this chute 35 movably.Preferably, chute 35 along continuous straight runs settings.Like this, when locking bar 21 rotated, extension rod 31 rotated thereupon, moved in chute 35 thereby drive pivot 34.When locking bar 21 turned to locked position, as shown in Figure 4, pivot 34 moved to the end away from door-plate 34 of chute 35, and the hook portion 331 of latch hook 33 is hooked the edge of door-plate 13.At this moment, extension rod 31 extends near side plate 12 and to the direction away from door-plate 13.When locking bar 21 turned to open position, as shown in Figure 5, pivot 34 moved to the end near door-plate 34 of chute 35, and the hook portion 331 and the door-plate of latch hook 33 are separated.At this moment, extension rod 31 rotates predetermined angular with respect to side plate 12.Connecting rod 32 is preferably bandy shape, promptly to outstanding away from the direction of side plate 12, in motion process, interferes with other structure avoiding.
Usually, people hope that latch hook 33 can outwards rotate predetermined angular with respect to side plate 12 when being separated with door-plate 13, so that the unlatching of door-plate 13.This can realize with the inhibiting device that cooperates of the bar portion 332 of latch hook 33 through setting on side plate 12.Specifically, inhibiting device can comprise the block 36 and pin 37 in the inboard that is separately positioned on latch hook bar portion 332 and the outside.The bar portion 332 of latch hook comprise first section 333 of being provided with hook portion 331 and with respect to this first section towards second section 334 of side plate 12 bevelled.When locking bar 21 was in locked position, as shown in Figure 4, second section 334 of pin 37 and latch hook bar portion was matched, and rotated to the direction away from side plate 12 with restriction latch hook 33, thereby avoided latch hook hook portion 331 and door-plate to break away from.At this moment, first of latch hook bar portion section 333 is fitted on the block 36.When locking bar 21 when open position rotates, pivot 34 moves to the end near door-plate 13 of chute 35.At this moment, the interference effect of second section 334 in 36 pairs of latch hook bars of block portion makes latch hook 33 rotate to the direction away from side plate 12 gradually; Pin 37 then matches with second section 334 of latch hook bar portion, and is excessive with the rotational angle of avoiding latch hook 33.When locking bar 21 was shown in an open position, as shown in Figure 5, second section 334 of latch hook bar portion was limited between block 36 and the pin 37.
Catch gear 20 can comprise the parallel connecting rod mechanism 30 of many covers, and to realize the locking to door-plate 13 more reliably, for example three shown in Fig. 2 overlaps.Can comprise also in cover (for example nethermost an a cover) connecting rod mechanism 30 that wherein the end that links to each other with connecting rod 32 from extension rod 31 is to the handle 38 away from the direction extension of locking bar 21.Like this, where necessary, also can realize opening and locking of catch gear through manual operation handle 38.
Preferably, catch gear 20 also comprises the safety device 40 that is used for locking bar 21 is remained on locked position.As shown in Figure 6, safety device 40 comprises: the first parallel dwang 41 and second dwang 42 and the pipe link 43 that is connected this first and second dwang.First dwang 41 and second dwang 42 are arranged on the side plate 12 respectively rotationally; And each in first and second dwangs 41,42 has the first end 41a away from locking bar 21,42a respectively and near the second end 41b, the 42b of locking bar 21.Pipe link 43 two ends are pivotally connected to first end 41a of first dwang and the first end 42a of second dwang respectively.Like this, first dwang 41 can rotate with second dwang 42 simultaneously in the same way.In position, be provided with and be used to drive the jacking cylinder 45 that this second dwang rotates corresponding to the second end 42b of second dwang 42.Similarly, jacking cylinder 45 also can adopt the form of oil cylinder or cylinder.Preferably, the turning cylinder 41c of first and second dwangs 41,42,42c can be separately positioned near its separately first end 41a, the position of 42a, rotate thereby can handle dwang more effortlessly.
The second end 41b at first dwang is provided with the safety pin 44 that matches with handle 38.When needs rotating rod lock 21, operation jacking cylinder 45 makes that the second end 42b of second dwang 42 is upwards lifted, thereby makes safety pin 44 upwards mentioned and be separated with handle 38, and is as shown in Figure 6, so that locking bar 21 can freely rotate.When locking bar 21 turned to locked position, operation jacking cylinder 45 makes the second end 42b of second dwang 42 move down, thereby makes safety pin 44 also move down and be positioned at the outside of handle 38, and was as shown in Figure 2, thereby limited the rotation of locking bar 21.Similar with the front, jacking cylinder 45 can be used as the outside that corollary equipment is arranged on freight container, also can be arranged on bottom or other suitable position of freight container.
Though should be pointed out that invention has been described through above-mentioned embodiment, yet the present invention also can have other numerous embodiments.Under the prerequisite that does not break away from spirit and scope of the invention; Those of ordinary skill in the art obviously can make various corresponding changes and distortion to the present invention, but these changes and distortion all should belong in the scope that accompanying claims of the present invention and equivalent thereof protect.