Lockset, there is its pallet box and the method being surface-treated to the pallet box
Technical field
The present invention relates to container technology field, more particularly to a kind of lockset, there is its pallet box and to the pallet box
The method being surface-treated.
Background technology
The lockset of conventional pallet box can be divided into straight lock and hook lock.The locking bar directly locked is round bar, is located in the supporting of lock
Kong Zhong, locking bar and lock Detachable connection structure are may be designed as needed, but straight lock can only be perpendicular to the direction of locking bar
On locked.Hook lock is provided with crotch, for sealed connected piece on the basis of straight lock on locking bar head.Due to locking bar
Head is provided with crotch, therefore, can be locked on the direction perpendicular to locking bar, and can is enterprising in the direction parallel to locking bar
Row locking.But after the locking bar of hook lock is installed on lock, it is difficult to dismantle.
In actual applications, pallet cabinet frame and its lockset usually require to be surface-treated by galvanizing.It is common
Way has two kinds.One kind is that mounted lockset is soldered to after pallet cabinet frame to carry out at hot dipping zinc surface together with pallet box
Reason.But this method easily causes the problems such as lockset plating leakage and dumb locking bar activity.Another method is by after electrogalvanizing
Lockset and galvanizing after pallet box frame welding, then mending paint is applied to lockset and pallet cabinet frame.The shortcomings that this technique
It is that lockset will destroy lockset and the galvanizing surface of pallet cabinet frame in rear welding, can so reduces lockset and pallet cabinet frame
Corrosion Protection, and mending paint makes pallet box appearance unsightly.
In addition, installing inner lining bag for the ease of pallet box handling goods and in pallet box box house, pallet box is usual
It is provided with half folding door.Half folding door is generally located on the top half of the tank wall of pallet box, is turned over downwards during opening.As shown in figure 1,
The lockset 2 being connected with adjacent component (end wall framework or side wall, top cover) can be set on half folding door 4.As shown in Figures 2 to 4, lockset
2 when opening, and the handle 3 of lockset 2 can lean out the outside of half folding door 4.Although the handle of some locksets after opening can limited location knot
Structure, but operator often forgets to carry out the spacing or violation operation that do not want to take the trouble without spacing to the handle of lockset, so that
Handle is leant out outside half folding door.When half folding door is overturn, handle will strike end wall substructure, cause to damage.
In order to reduce logistics transportation and warehouse cost, pallet box is normally manufactured as foldable.As shown in figure 5, pallet
Case 1 is typically made up of chassis 5, two end walls 6, two side walls 7 and top cover 8.The upper end of top cover 8 and side wall 7 is hinged, two end walls
6 and two side walls 7 it is be hinged with chassis 5 respectively, such top cover 8, end wall 6 and the can of side wall 7 are folded and are placed on chassis 5.Support
Lockset 2 is additionally provided with the end wall 6 of disk case 1, top cover 8 and end wall 6 are locked in together.In tray fold case 1, it is necessary first to
The lockset 2 that top cover 8 is connected on end wall 6 is opened, top cover 8 is overturn to the outside for being placed into side wall 7, then by end wall 6 and side wall 7
Connection lockset 9 open, two end walls 6 are folded on chassis 5, then two side walls 7 are folded into above end wall 6.Such as Fig. 6 and
Shown in Fig. 7, when the opening of lockset 2 of top cover 8 is connected on end wall 6, the handle 3 of its lockset 2 can lean out the outside of end wall 6.Even if having
The handle of a little locksets has position limiting structure after opening, but operator often forgets to carry out spacing to lock handle or do not wanted to take the trouble
Violation operation is without spacing.The handle 3 of lockset 2, which is easy for turning, to be ridden on lock support 10, or the handle 3 of lockset 2
It is not pressed into limit space, is limited part and props, the handle 3 of lockset 2 will leans out the outside of end wall 6.Such as Fig. 8 institutes
Show, in tray fold case 1, after two end walls 6 fell, the handle 3 of the lockset 2 on end wall 6 can be propped up, and such side wall 7 is put
It when, will fall on the handle 3 propped, the damage of the structure of handle 3 or side wall 7 can be caused.
In order to solve the above problems, occurs spring lockset in the prior art, by the effect handle of spring all the time
Lean against on each tank wall of pallet box, will not because lean out tank wall outside or its prop damage pallet box.But prior art
Spring lockset, its locking bar or spring can not be dismantled, and can not be changed after the locking bar or spring breaking down of spring lockset.
Accordingly, it is desirable to provide a kind of lockset for pallet box and there is its pallet box, with least part of solution
State problem.
The content of the invention
The present invention is to solve the above-mentioned problems in the prior art at least in part.
According to an aspect of the present invention, there is provided a kind of lockset, for pallet box.The pallet box includes the first connector
With the second connector.The lockset includes:Lock and locking bar.The lock is used to be fixedly attached to first connector, institute
State and locking rod mounting part is provided with lock.The first end of the locking bar is provided with for sealed first connector and described
The gib head of two connectors, the locking bar are removably disposed in the locking rod mounting part.
Preferably, the lock carries out surface after first connector is fixedly attached to together with the pallet box
Processing, then the locking bar being individually surface-treated is assembled to lock.
Preferably, the locking rod mounting part is mounting groove, and the locking bar can be arranged in the mounting groove.
Preferably, the mounting groove is the U-type groove with opening, and the U-type groove includes the first straight wall and second upstanding wall, institute
The length for stating the first straight wall is equal to the length of the second upstanding wall.With this set-up mode, it is easy to process mounting groove.
Preferably, the mounting groove is the U-type groove with opening, and the U-type groove includes the first straight wall and second upstanding wall, institute
The length for stating the first straight wall is more than the length of the second upstanding wall., can be from the first straight wall and second upstanding wall with this set-up mode
Difference in height region installation locking bar so that locking bar is easily installed.
Preferably, the lockset also includes closure member, when the locking bar is attached to the U-type groove, the closure member position
Between the locking bar and the opening.With this set-up mode, locking bar can be limited and moved to the opening direction of U-type groove so that
Locking bar can only rotate in U-type groove and in axial direction move.
Preferably, it is provided with first through hole in the locking rod mounting part, the closure member is removably through described the
The screw or pin of one through hole.
Preferably, the lockset also includes the torsion spring that can be compressed axially, and the first end of the torsion spring is connected to the lock
Bar, second end relative with the first end of the torsion spring are connected to the lock.With this set-up mode, handle can be caused
Abutted against under the active force of torsion spring on the first connector.
Preferably, the locking rod mounting part includes two mounting grooves, and torsion spring peace is formed between two mounting grooves
Space is filled, the torsion spring is arranged in the torsion spring installing space, and the lock also includes being used to connect two mounting grooves
Connecting plate.With this set-up mode, the installation of torsion spring can be facilitated.
Preferably, the lock also includes reinforcement, and the reinforcement is arranged on the connecting plate, described for strengthening
The intensity of connecting plate.
Preferably, formed with gib head installation portion between at least side of the reinforcement and first connector.With this
Set-up mode, it can avoid in locking bar installation process, the interference between gib head and reinforcement.
Preferably, it is provided with torsion spring fixing hole on the locking bar, the first end of the torsion spring is fixedly attached to described
Torsion spring fixing hole.
Preferably, the lockset also includes elastic cylindrical pin, and the first end of the torsion spring passes through the elastic cylinder
Pin is fixedly connected with the torsion spring fixing hole.
Preferably, second end relative with the first end of the locking bar is provided with the handle with bending part.With this
Set-up mode, it can be operated with convenient use person
Preferably, the locking rod mounting part is at least provided with chamfering in the bottom of one end close to the handle.Chamfering can
To coordinate with the bending part of handle, increase contact area, beneficial to locking bar axially loaded.
According to another aspect of the present invention, a kind of pallet box is also provided.The pallet box includes any of the above-described kind of lockset.
According to a further aspect of the invention, there is provided a kind of method being surface-treated to above-mentioned pallet box, the side
Method comprises the following steps:A1 the lock of the lockset) is fixedly attached to the pallet box;A2) by the lock and the support
Disk case is surface-treated together;A3) locking bar of the lockset is surface-treated;And a4) will be surface treated
The locking bar is attached to the lock.
Preferably, in step a1) in, the lock is soldered to the pallet box.
Preferably, in step a2) in, the lock carries out galvanizing surface treatment together with the pallet box.
Preferably, in step a3) in, the locking bar carries out plate surface processing or galvanizing surface treatment.
Based on above technical scheme, there is following beneficial effect relative to prior art by the present invention:
The lock structure for pallet box of the present invention is simple, and cost is low, easy to operate, detachably, replaceable part, solution
, it is necessary to weld lockset again after the framework of pallet box is carried out into heat dip zinc treating, then when existing hook lock of having determined is used for pallet box
The technological problemses of mending paint are applied to lockset and pallet box again, improve pallet box anti-corrosion capability so that pallet box is specious,
Replaceable locking bar simultaneously.For the technical scheme with torsion spring, also achieve the replaceable of torsion spring and locking bar, reduce maintenance into
This, avoids handle and hits the damage that pallet box is brought.
Brief description of the drawings
The drawings below of the embodiment of the present invention is used to understand the present invention in this as the part of the present invention.Shown in accompanying drawing
Embodiments of the present invention and its description, for explaining the principle of the present invention.In the accompanying drawings,
Fig. 1 is the stereogram of existing pallet box;
Fig. 2 is the A portions partial enlarged drawing in Fig. 1, wherein, lockset is in open mode;
Fig. 3 is the three-dimensional structure diagram of existing pallet box, wherein, half folding door is in open mode;
Fig. 4 is the right view of Fig. 3 existing pallet box;
Fig. 5 is another stereogram of existing pallet box;
Fig. 6 is in First partial enlarged drawing during open mode for the lockset in Fig. 5;
Fig. 7 is in the second partial enlarged drawing during open mode for the lockset in Fig. 5;
Fig. 8 is the folded state structure chart of the pallet box in Fig. 5, wherein, end wall is in folded state;
Fig. 9 is the partial structural diagram according to the pallet box of the first preferred embodiment of the present invention;
Figure 10 is the attachment structure schematic diagram of the lockset shown in Fig. 9;
Figure 11 is the partial structural diagram of the casing of the part shown in Fig. 9;
Figure 12 is the stereogram of the lock of the lockset shown in Fig. 9;
Figure 13 is the left view of the lock shown in Figure 12;
Figure 14 is the left view sectional view of the lock shown in Figure 12, wherein, closure member is engaged with lock;
Figure 15 is the stereogram of the locking bar shown in Fig. 9;
Figure 16 be according to the present invention the first preferred embodiment lockset structural representation, wherein, lockset be in beat
Open state, gib head are located in the first column;
Figure 17 be according to the present invention the first preferred embodiment lockset structural representation, wherein, gib head be in beat
Open state and in the first column;
Figure 18 be according to the present invention the first preferred embodiment lockset structural representation, wherein, gib head be in beat
Open state and in the second column;
Figure 19 be according to the present invention the first preferred embodiment lockset structural representation, wherein, lockset be in lock
Conjunction state;
Figure 20 is the partial structural diagram according to the pallet box of the second preferred embodiment of the present invention;
Figure 21 is the attachment structure schematic diagram of the lockset shown in Figure 20;
Figure 22 is the partial structural diagram of the casing of the part shown in Figure 20;
Figure 23 is the stereogram of the lock of the lockset shown in Figure 20;
Figure 24 is the left view of the lock shown in Figure 23;
Figure 25 is the left view sectional view of the lock shown in Figure 23, wherein, closure member is engaged with lock;
Figure 26 is the stereogram of the locking bar shown in Figure 20;
Figure 27 is the stereogram of the torsion spring shown in Figure 20;
Figure 28 be according to the present invention the second preferred embodiment lockset structural representation, wherein, lockset be in beat
Open state, gib head are located in the first column;
Figure 29 be according to the present invention the second preferred embodiment lockset structural representation, wherein, gib head be in beat
Open state and in the first column;
Figure 30 be according to the present invention the second preferred embodiment lockset structural representation, wherein, gib head be in beat
Open state and in the second column;
Figure 31 be according to the present invention the second preferred embodiment lockset structural representation, wherein, lockset be in lock
Conjunction state;
Figure 32 is the another structural representation according to the lockset of the second preferred embodiment of the present invention;
Figure 33 is the structural representation according to a kind of pallet box of the second preferred embodiment of the present invention;
Figure 34 is B portions partial enlarged drawing in Figure 33;
Figure 35 is the structural representation according to another pallet box of the second preferred embodiment of the present invention;And
Figure 36 is C portions partial enlarged drawing in Figure 35.
Description of reference numerals:
1st, the lockset of 100,200,300 pallet box 2,110,210,310
3 handles 4,392 half folding doors
5th, the end wall of 280,380 chassis 6,220 ', 320
7th, the top cover of 230 ', 330 side wall 8,290,390
The 9 connection lock supports of lockset 10
120th, the ' of 220 first connector 122,222,222,322 crossbeams
121st, the first long through-holes of ' of 221,221 the first columns of ' 123,223,223
130th, the second columns of ' of 230 second connector 131,231,231
132nd, 232,232 ' the second long through-holes 140,240 locks
141st, 241 first locking bar mounting grooves 142,242 second locking bar mounting grooves
143rd, 243 first through hole 144,244 second through holes
145th, the connecting plate of 245 closed cavity 146,246,346
147th, 247 first straight walls 148,248 second upstanding walls
150th, 250 closure members 151,251 first screws
152nd, the locking bar of 252 second screw 160,260,360
161st, 261 gib heads 162,262 handles
The reinforcement of 224 cladding plate 249
The torsion spring installing space of 253 gib head mounting groove 254
The elastic cylindrical pin of 263 torsion spring fixing hole 264
The first end of the torsion spring of 270 torsion spring 271
Second end of 272 torsion springs
255 locking bar installing spaces
1401st, 2401 chamfering
321 columns
391 long side bars
393 short side beams
Embodiment
The preferred embodiment of the present invention is illustrated referring to the drawings.It is it should be noted that used herein
Term " on ", " under ", "front", "rear", "left", "right" and similar statement for illustrative purposes only, not limit.
First embodiment
Fig. 9-Figure 19 schematically shows the lock for pallet box 100 of the first preferred embodiment according to the present invention
Tool 110.
As shown in figure 9, pallet box includes the first connector 120 and the second connector 130, the first connector 120 can be
The end wall of the casing of pallet box or a part for side wall, the second connector 130 can be and the first connector 120 (end wall or side
Wall) connection side wall or end wall a part.In addition, the first connector 120 can also be a part for half folding door of pallet box,
Correspondingly, the second connector 130 can be a part for the end wall adjacent with half folding door, side wall or top cover.Connect below with first
It is described in detail in case of the connector 130 of fitting 120 and the second respectively end wall of pallet box and side wall.
As shown in figure 9, the first connector 120 includes the first column 121 and crossbeam 122, the first column 121 and crossbeam 122
It is fixedly connected, and the first column 121 and crossbeam 122 are in 90 °.As shown in Figure 10, in the present embodiment, the first column 121 is
One square tube.It will be appreciated, of course, that in the unshowned other embodiment of the present invention, the first column can also be cylindrical tube
Or the pipe of other shapes.In addition, the first column can also be angle steel or channel-section steel etc..The first length is provided with first column 121 to lead to
Hole 123 (example as " the first aperture "), it is more than size in the horizontal direction in the size of vertical direction, to cause locking bar
160 gib head 161 can pass through the first long through-hole 123.Implement it will be appreciated, of course, that the shape in the first aperture is not limited to diagram
Mode, the first aperture even can also be the aperture of irregular shape.As shown in figure 11, it is vertical to include second for the second connector 130
Post 131, in the present embodiment, the second column 131 are also a square tube.It is appreciated that in other unshowned implementations of the present invention
In mode, the second column can also be cylindrical tube or the pipe of other forms.In addition, the second column can also be angle steel or channel-section steel
Deng.Second column 131 is provided with the second long through-hole 132 (as " the second aperture " in the relevant position of corresponding first long through-hole 123
Example), with cause the gib head 161 of locking bar 160 pass through the first long through-hole 123 after, the second long through-hole 132 is then passed through, to cause
First connector 120 and the second connector 130 are connected to together by lockset 110.Specifically, in the present embodiment, second
The form fit of the long through-hole 123 of long through-hole 132 and first, its vertical direction size also greater than size in the horizontal direction.
It will be appreciated, of course, that the shape in the second aperture is not limited to illustrated embodiment, the second aperture can also be even irregular shape
Aperture.
The lockset for pallet box according to the present invention is described in detail below in conjunction with Fig. 9-Figure 15.Such as Fig. 9 and Figure 10 institutes
Show, lockset 110 includes lock 140, closure member 150 and locking bar 160.Lock 140 is fixedly attached to the first connector 120.Specifically
Ground, in the present embodiment, the top of lock 140 are fixedly attached to the bottom of the crossbeam 122 of the first connector 120, lock 140
Side be fixedly attached to the first connector 120 the first column 121 side, lock 140 is located at the column of crossbeam 122 and first
121 junction.As shown in figure 12, the locking rod mounting part for being shown as locking bar mounting groove is provided with lock 140.Specifically, exist
In present embodiment, locking rod mounting part includes the U-shaped locking bar mounting groove of two opening upwards, i.e. the first locking bar mounting groove 141
With the second locking bar mounting groove 142.First locking bar mounting groove 141 and the second locking bar mounting groove 142 are arranged to the form of U-type groove, no
It is only attractive in appearance and be easy to process.Connected between first locking bar mounting groove 141 and the second locking bar mounting groove 142 by connecting plate 146.
The bottom of first locking bar mounting groove 141 and the second locking bar mounting groove 142 is respectively provided with chamfering 1401.Wherein, in the present embodiment,
Chamfering at the bottom of first locking bar mounting groove 141 can coordinate the shape of the bending part of the handle 162 of locking bar 160, with increase
Contact area, beneficial to locking bar axially loaded.And due to the bottom of the first locking bar mounting groove 141 and the second locking bar mounting groove 142
Chamfering 1401 is respectively provided with, therefore can cause lock 140 that there is versatility, i.e. symmetrical lockset at the two of end wall upper corner
General lock 140 can be used, to avoid with wrong lock.It is appreciated that in symmetrical lockset, the bottom at the second mounting groove
Chamfering at portion coordinates the shape of the bending part of the handle of locking bar.It should be noted that in other unshowned implementations of the present invention
In mode, chamfering can be set only at the bottom of one of the first locking bar mounting groove 141 and the second locking bar mounting groove 142.
First through hole 143 is provided with first locking bar mounting groove 141, it is logical that second is provided with the second locking bar mounting groove 142
Hole 144.As shown in Figure 10, closure member 150 is included removably by the first screw 151 of first through hole 143 and removably
By the second screw 152 of the second through hole 144, the first screw 151 removably passes through first through hole 143, with the first locking bar
Mounting groove 141 connects so that a part for the first screw 151 is in the first locking bar mounting groove 141 and positioned at the upper of locking bar 160
Between side, the i.e. opening in the first locking bar mounting groove 141 positioned at the locking bar mounting groove 141 of locking bar 160 and first, to close first
The opening of locking bar mounting groove 141, to form closed cavity 145 between the first locking bar mounting groove 141 and the first screw 151.The
Two screws 152 removably pass through the second through hole 144, to be connected with the second locking bar mounting groove 142 so that the second screw 152
A part is located in the second locking bar mounting groove 142 and positioned at the top of locking bar 160 in the second locking bar mounting groove 142
Between the opening of the locking bar mounting groove 142 of locking bar 160 and second, to close the opening of the second locking bar mounting groove 142, with the second lock
Closed cavity 145 is formed between the screw 152 of bar mounting groove 142 and second.It should be noted that " closed cavity " designated herein
Absolute closing is not meant that, and refers to the first screw 151 and the second screw 152 respectively in the first locking bar mounting groove 141 and second
The opening direction of locking bar mounting groove 142 closes the opening of the first locking bar mounting groove 141 and the second locking bar mounting groove 142.
The locking bar mounting groove according to first embodiment of the invention is described in detail below in conjunction with Figure 13 and 14.Due to first
Locking bar mounting groove 141 is identical with the structure of the second locking bar mounting groove 142, so, hereafter only by taking the first locking bar mounting groove 141 as an example
It is described.
As shown in Figure 13 and Figure 14, the first locking bar mounting groove 141 includes the first straight wall 147 and second upstanding wall 148, and first is straight
The height H1 of wall 147 is identical with the height H2 of second upstanding wall 148.First straight wall 147 and second upstanding wall 148 are by way of welding
The first connector 120 is connected to, and the spacing (i.e. the width of U-type groove) between the first straight wall 147 and second upstanding wall 148 is more than lock
The diameter of bar 160, to cause locking bar 160 to be placed in locking bar mounting groove.First screw 151 passes through first through hole 143 and first
Locking bar mounting groove 141 connects, and to form closed cavity 145, closed cavity 145 can house locking bar 160.
As shown in Figure 10 and Figure 15, locking bar 160 includes gib head 161 and handle 162, and gib head 161 is arranged on the of locking bar 160
One end, handle 162 are arranged on second end relative with the first end of locking bar 160.Gib head 161 is towards the side vertical with handle 162
To the shape of gib head 161 matches with the first long through-hole 123 and the second long through-hole 132, to cause the not sealed shape opened in lockset
Under state, gib head 161 can pass through the first long through-hole 123 and the second long through-hole 132.It is, therefore, to be understood that opened not in lockset
Under locked state, the size of the in the vertical direction of gib head 161 is more than size in the horizontal direction.Handle 162 can be bending
Part, in order to which operating personnel grasp.The opening direction of first locking bar mounting groove 141 and the second locking bar mounting groove 142 is towards hand
The opposite direction of handle 162.Locking bar 160 is removably disposed in locking rod mounting part, i.e. the first locking bar mounting groove 141 and the second locking bar
In mounting groove 142.Specifically, in the present embodiment, locking bar 160 is removable and is rotatably arranged at the first locking bar mounting groove
141 and second locking bar mounting groove 142 closed cavity 145 in, i.e., locking bar 160 can both rotate in closed cavity 145, again may be used
To be moved in the interior edge gib head 161 of closed cavity 145 to the direction of handle 162 or handle 162 to the direction of gib head 161.When described
When handle 162 is abutted against on casing, under lockset locked state, the long through-hole 123 of gib head 161 and first and the second long through-hole 132
Vertically, i.e., the non-locked state that gib head 161 is opened relative to lockset is rotated by 90 ° so that the chi of gib head 161 in the horizontal direction
The very little size more than in the vertical direction, so that when lockset is sealed, gib head and the second long through-hole 132 are sealed.In lockset
After opening, when handle 162 is abutted against on casing, the first long through-hole 123 stops gib head, and locking bar 160 will not spontaneously stretch out the
The lateral surface of one column 121 and influence the folding of pallet box 100
When pallet box 100 produces, the top of lock 140 is first soldered to the bottom of the crossbeam 122 of the first connector 120
Portion, the side of lock 140 are soldered to the side of the first column 121 of the first connector 120, the connector 120 of lock 140 and first
Heat dip zinc treating is carried out together, locking bar 160 and closing of the installation by plate surface processing or galvanizing surface treatment after processing
Part 150.When installing locking bar 160, by gib head 161 upward and gib head is against the first locking bar mounting groove 141 and the second lock first
Bar mounting groove 142, then locking bar 160 is inserted into the first locking bar mounting groove 141 and the second locking bar mounting groove 142, promotes lock
Bar 160 makes gib head 161 extend into the first long through-hole 123 of the first column 121, then handle 162 is leaned against into the first connector 120
On.Then the first screw 151 and the second screw 152 are mounted respectively in the through hole 144 of first through hole 143 and second, to complete
The installation of lockset 110.
When dismantling lockset 110, first by the first screw 151 and the second screw 152 respectively from the through hole of first through hole 143 and second
Disassembled in 144.When dismantling locking bar 160, first rotating locking bar 160 can be from the first length of the first column 121 to gib head 161
The position departed from through hole 123, locking bar 160 is then pulled gib head 161 is retracted into the second locking bar mounting groove 142 and the first locking bar peace
In tankage 141, then locking bar 160 is removed from the first locking bar mounting groove 141, complete the dismounting of locking bar 160.
Specifically, as shown in figure 16, lockset 110 is in open mode, and handle 162 is sagging by Action of Gravity Field, gib head 161
Positioned at the inside of the first column 121.During sealed lockset 110, as illustrated in figs. 16-19, operating personnel's control crank 162, to remote
Handle 162 is lifted in the direction of first connector 120, so that gib head 161 is rotated to can be logical from the first of the first column 121 the length
The position removed in hole 123, driving handle 162 cause the first long through-hole 123 that extend out on the first column 121 of gib head 161
Outside, so as to stretch in the second long through-hole 132 of the second column 131 of the second connector 130.Then handle 162 is pressed against
To the first connector 120 so that the gib head 161 of locking bar 160 hooks the edge of the second long through-hole 132 of the second column 131.Together
When handle 162 blocked by the end face of the first locking bar mounting groove 141 of lock 140 it is spacing so that locking bar 160 can not be again to gib head
161 direction movement.So as to realize that lockset 110 connects the first connector 120 and the second connector 130.
Certainly, the procedural order of lockset is opened as shown in Figure 19-16, and opening process is with sealed process on the contrary, operating personnel
Control crank 162, handle 162 is lifted to away from the direction of the first connector 120 so that gib head 161 is rotated to can be vertical from second
The position removed in second long through-hole 132 of post 131, handle 162 is pulled to cause the gib head 161 of locking bar 160 from the second connector
Removed in second long through-hole 132 of the second column 131 on 130, then the first column 121 being moved on the first connector 120
Inside, then release handle 162 so that handle 162 naturally droops under gravity, so as to complete the opening of lockset 110.
It should be noted that, although in the present embodiment, locking rod mounting part is shown as locking bar mounting groove, still, locking bar
Installation portion can also be shown as other forms, such as the hollow cylinder component with irregularly-shaped hole.Although in the present embodiment, lock
Bar mounting groove includes two U-type grooves connected by connecting plate 146, it will be appreciated that locking bar mounting groove can also be one
Long U-type groove.In addition, lock 140 can also be other forms, if lock 140 can be flat tube.
Furthermore, it is necessary to explanation, although in the present embodiment, the first locking bar mounting groove 141 and the installation of the second locking bar
The opening of groove 142 is shown as upwards, it will be appreciated that the opening of the first locking bar mounting groove and the second locking bar mounting groove can also
Downwards, closure member is arranged on below locking bar between opening and the locking bar of the locking bar mounting groove of the first locking bar mounting groove/second.Separately
Outside, although in the present embodiment, closure member 150 is shown as screw, it will be appreciated that closure member 150 can also be other
Dismountable part, such as pin or by being slidably engaged to the tabular component of the first locking bar mounting groove and the second locking bar mounting groove
Deng.
The lock structure of present embodiment is simple, and cost is low, easy to operate, detachably, replaceable part, solves existing
Hook lock when being used for pallet box, it is necessary to will pallet box framework carry out heat dip zinc treating after weld lockset again, then again to lockset
The technological problemses of mending paint are applied with pallet box, improve pallet box anti-corrosion capability, pallet box is specious, while replaceable lock
Bar, reduce pallet box maintenance cost.
Second embodiment
Figure 20-Figure 32 is schematically shown is used for pallet box 200 according to the second preferred embodiment of the present invention
Lockset 210.
As shown in figure 20, lockset 210 also includes torsion spring 270.Torsion spring 270 can be compressed axially.Lock 240 as shown in figure 23 wraps
Connecting plate 246 and locking bar mounting groove are included, locking bar mounting groove includes the first locking bar mounting groove 241 and the second locking bar mounting groove 242, the
One locking bar mounting groove 241 and the second locking bar mounting groove 242 are connected by connecting plate 246.First locking bar mounting groove 241 and the second lock
Torsion spring installing space 254 is formed between bar mounting groove 242, torsion spring 270 is located at the first locking bar mounting groove 241 and the installation of the second locking bar
Between groove 242.The bottom of first locking bar mounting groove 241 and the second locking bar mounting groove 242 is respectively provided with chamfering 2401, to coordinate locking bar
The shape of 260 bending part.
The locking bar mounting groove according to second embodiment of the invention is described in detail below in conjunction with Figure 23-25.Due to first
Locking bar mounting groove 241 is identical with the structure of the second locking bar mounting groove 242, so, hereafter only by taking the first locking bar mounting groove 241 as an example
It is described.As shown in figs. 23-25, the first locking bar mounting groove 241 includes the first straight wall 247 and second upstanding wall 248, the first straight wall
247 height H3 is more than the height H4 of second upstanding wall 248, to have height between the first straight wall 247 and second upstanding wall 248
Difference, so as to the formation locking bar installing space 255 between the top of the first straight wall 247 and the top of second upstanding wall 148, that is,
Locking bar installing space 255 is formed between crossbeam 222 and second upstanding wall 248, is arranged with the torsion spring 270 that is described in detail below
Locking bar 260 can be attached to the first locking bar mounting groove 241 and the second locking bar mounting groove 242 by the locking bar installing space 255.The
One straight wall 247 is connected to the first connector 220 by way of welding, and between the first straight wall 247 and second upstanding wall 248 between
Diameter away from more than locking bar 260, to cause locking bar 260 to be placed in locking bar mounting groove.First screw 251 passes through first through hole
243 are connected with the first locking bar mounting groove 241, and to form closed cavity 245, closed cavity 245 can house locking bar 260.
Reinforcement 249 is provided with connecting plate 246, between the first column 221 of the connector 220 of reinforcement 249 and first
Formed with gib head mounting groove 253.When installing locking bar 260, gib head 261 is moved into locking bar mounting groove at gib head mounting groove 253.Even
Some inclined-planes or curved surface, to avoid locking bar 260 in installation process, connecting plate 246 can be set on fishplate bar 246 and reinforcement 249
Or reinforcement 249 is interfered with torsion spring 270.
As in figs. 27 and 28, torsion spring 270 includes first end 271 and second end relative with the first end 271 of torsion spring 270
272.The first end 271 of torsion spring 270 is fixedly attached to locking bar 260, the second end 272 of torsion spring 270 against to lock 240 so that
Handle 262 is obtained to abut to casing.As shown in figure 26, torsion spring fixing hole 263, the first end of torsion spring 270 are provided with locking bar 260
271 can be directly anchored on torsion spring fixing hole 263, can also be as shown in figure 21, and the first end 271 of torsion spring 270 passes through lockset 210
Elastic cylindrical pin 264 be fixedly connected with torsion spring fixing hole 263.When locking bar 260 moves to locked state, elastic cylindrical pin
264 compression torsion springs 270, when lockset 210 rotates from locked state to opening, elastic cylindrical pin 264 drives torsion spring 270 to turn round
Turn.During release handle 262, torsion spring 270 makes handle 262 abut all the time to the first connector 220.
When pallet box 200 produces, first the bottom surface of the top surface of lock 240 and the crossbeam 222 of the first connector 220 is welded
Connect, the side of lock 240 and the side of the first column 221 of the first connector 220 are welded, the connector 220 of lock 240 and first
Heat dip zinc treating is carried out together, and locking bar 260 and the closing of electroplated surface treatment or galvanizing surface treatment are installed again after processing
Part 250.One end set of the torsion spring 270 along handle 262 is attached on locking bar 260.When installing locking bar 260, first by gib head 261 towards upper
Side and opposite gib head mounting groove 253, by torsion spring 270 against between the first locking bar mounting groove 241 and the second locking bar mounting groove 242
Torsion spring installing space 254, then by locking bar 260 from both the first locking bar mounting groove 241 and the second locking bar mounting groove 242 second
Locking bar installing space 255 between straight wall 248 and crossbeam 222 is attached to the first locking bar mounting groove 241 and the second locking bar mounting groove
In 242, locking bar 260 is promoted gib head 261 is inserted into the first long through-hole 223 of the first column 221, then handle 262 is leaned against
On first connector 220.Then the first screw 251 and the second screw 252 are respectively installed to the through hole of first through hole 243 and second
In 244, then elastic cylindrical pin 264 is installed in the torsion spring fixing hole 263 of locking bar 260, the second end 272 of torsion spring 270 is supported
The outer side of case of connecting plate 246 is withstood on, the first end 271 of torsion spring 270 is fixed on elastic cylindrical pin 264, completes lockset 210
Installation.
When dismantling lockset 210, first the first end 271 of torsion spring 270 is removed from elastic cylindrical pin 264, then by bullet
Property straight pin 264 is disassembled from the torsion spring fixing hole 263 of locking bar 260, then the first screw 251 and the second screw 252 are divided
Do not disassembled from the through hole 244 of first through hole 243 and second.When dismantling locking bar 260, first locking bar 260 is rotated to gib head 261
Can from the first long through-hole 223 of the first column 221 departing position, then to away from the first locking bar mounting groove 241
Direction movement locking bar 260 makes gib head 261 be retracted into locking bar mounting groove, when gib head 261 is against gib head mounting groove 253, then from the
Locking bar peace between two second upstanding walls 248 and crossbeam 222 of both one locking bar mounting groove 241 and the second locking bar mounting groove 242
Fill and locking bar 260 is removed in space 255.Then the one end of torsion spring 270 along handle 262 is removed, completes locking bar 260 and torsion spring
270 dismounting.
, also can be before locking bar 260 be installed into lock 240, first by torsion spring if locking bar installing space 255 is sufficiently large
270 and elastic cylindrical pin 264 be installed on locking bar 260 and dismantle Elastic Circular again after locking bar 260 is unloaded from lock 240
Pin 264, so operation can be more convenient.
As shown in figure 28, when lockset 210 is in opening, the gib head 261 of locking bar 260 is located at the first connector 220
The inside of first column 221, because the first long through-hole 223 stops the pressure limit effect of gib head 261 and torsion spring 270, locking bar 260
The lateral surface of the first column 221 will not spontaneously be stretched out and influence the folding of pallet box 200.Elastic cylindrical pin on locking bar 260
264 support on the inner side end close to the first locking bar mounting groove 241 of handle 262, play limitation locking bar 260 to away from first
The effect of the direction movement of column 221.So, on the one hand torsion spring 270 and elastic cylindrical pin 264 can prevent locking bar 260 from departing from
Lock 240, on the other hand gib head 261 is limited to the inside of the first column 221 so that handle 262 can be in the torsion of torsion spring 270
Abutted against under power effect on the first connector 220.If gib head 261 be moved on two side elevations of the first column 221
At one long through-hole 223 or move out the first column 221 and be located at the second locking bar mounting groove 242, then gib head 261 can be by the first length
The locking bar mounting groove 242 of through hole 223 or second stops that handle 262 can not rotate so that handle can not abut in the first connector
On 220.Torsion restriction effect of the locking bar 260 by torsion spring 270 so that the handle 262 of locking bar 260 is close to the first connector all the time
220, it will not spontaneously rotate to beyond the outside of the first connector 220, i.e., will not spontaneously rotate to beyond the outside of casing.
Preferably, the appropriate setting pretension torsion of torsion spring 270 so that handle 262 is preferably close to the first connector 220.
As shown in figure 32, the first connector 220 includes cladding plate 224, and the installation of cladding plate 224 is after the installation of lockset 210
Installed again.When lockset 210 is in non-operating state, elastic cylindrical pin 264 can be lengthened suitably close to one end of casing, with to
Withstand on the lower end of the connecting plate 246 of lock 240 so that handle 262 will not be because of the pretension torsion by torsion spring 270 and to towards casing
Direction rotate, in order to install the cladding plate 224 of the first connector 220.The pretension torsion of torsion spring 270 needs to overcome in half folding door
Conduct oneself with dignity caused torsion in opening procedure and by handle 262 in the installation process of cladding plate 224, so as to ensure that handle 262 is motionless.
As shown in Figure 28-31, during sealed lockset 210, operating personnel's control crank 262, the torsion of torsion spring 270 is overcome, to
Lift handle 262 in direction away from the first connector 220 so that gib head 261 rotates logical to that can be grown from the first of the first column 221
The position removed in hole 223, overcomes the pressure of torsion spring 270, and driving handle 262 causes gib head 261 to extend out to the first column 221
The outside of first long through-hole 223, so as to stretch into the second long through-hole 232 of the second column 231 of the second connector 230.Then
Handle 262 is pressed against to the first connector 220 so that the second length that the gib head 261 of locking bar 260 hooks the second column 231 is logical
The edge in hole 232.Meanwhile handle 262 blocked by the outer face of the first locking bar mounting groove 241 of lock 240 it is spacing so that locking bar
260 can not move to the direction of gib head 261 again.So as to realize that lockset 210 connects the first connector 220 and the second connector 230.
The procedural order of lockset is opened as shown in Figure 31-28, opening process is with sealed process on the contrary, operating personnel manipulate hand
Handle 262, overcome the torsion of torsion spring 270, lift handle 262 to the direction away from the first connector 220 so that gib head 261 rotates
The position that can be extremely removed from the second long through-hole 232 of the second column 231, under the pressure effect of torsion spring 270, locking bar 260
Gib head 261 spontaneously removes out of the second column 231 of the second connector 230 the second long through-hole 232, then is moved to the first company
The inside of the first column 221 on fitting 220, then release handle 262, under the twisting force of torsion spring 270, the meeting of handle 262
The first connector 220 is spontaneously close to, so as to complete the opening of lockset 210.
The lockset of present embodiment welds lockset after not only solving the problems, such as the pallet box after heat dip zinc treating, also solves
It is replaceable with hour locking lever and torsion spring because damage pallet box caused by not by standard operation lockset the problem of, solve existing
Locking bar or torsion spring fragile the problem of can not but changing of hook lock.
The present invention also provides a kind of pallet box 200, and pallet box 200 is by 280, two, chassis end wall 220 ', two side walls
230 ' form with two panels top cover 290.Wherein, end wall 220 ' can be the first foregoing connector 220, before side wall 230 ' can be
The second connector 230 stated.Two end walls 220 ' and two side walls 230 ' are respectively hinged at the surrounding on chassis 280, and foldable
Onto chassis 280.
During the vertical pallet box 220 of group, first two side walls 230 ' are erected, then two end walls 220 ' are erected.Such as Figure 33 and figure
Shown in 34, linked together between end wall 220 ' and side wall 230 ' by the lockset 210 being arranged on end wall 220 ', each end wall
Respectively one lockset 210 of setting, two locksets 210 are symmetrical along the central axis of end wall 220 ' for 220 ' both sides.End wall 220 ' includes
First column 221 ' and crossbeam 222 ', the first long through-hole 223 ', the top of lockset 210 and crossbeam are provided with the first column 221 '
222 ' bottom welding, the side of the locking bar mounting groove of lockset 210 lead to close to the inner side of the first column 221 ', and close to the first length
The position in hole 223 '.Side wall 230 ' includes the second column 231 ', the position of the first long through-hole 223 ' of corresponding first column 221 '
It is provided with the second long through-hole 232 '.During sealed lockset 210, the gib head of locking bar 260 is from the first long through-hole on the first column 221 '
223 ' stretch out, and in the second long through-hole 232 ' of the second column 231 ' for extending into side wall 230 ', hook the second long through-hole 232 '
Edge, end wall 220 ' and side wall 230 ' are linked together.
It is clear that the present invention lockset can also be arranged on the end wall with half folding door, for connect half folding door with
The framework of side wall or end wall, will not be repeated here.
The present invention also provides a kind of pallet box 300, and as shown in Figure 35 and Figure 36, two panels top cover 390 is respectively hinged at two
The upper end of relative side wall 330, after pallet box 300 installs goods, the long side bar 391 of two panels top cover 390 can divide suitable up and down
Sequence snaps together, and top cover 390 above is locked by the lockset 310 being separately positioned on two end walls 320 with two end walls 320
It is combined.Half folding door 392 is provided with an end wall 320 wherein, half folding door 392 includes crossbeam 322 and column 321, horizontal
The first long through-hole is provided with beam 322, the top of lockset 310 is connected with the bottom of crossbeam 322, the connecting plate 346 of lockset 310 with
Column 321 connects.The short side beam 393 on top cover 390 above, it is provided with the position of the first long through-hole of corresponding crossbeam 322
Second long through-hole, the second long through-hole are located at the downside of short side beam 393.During sealed lockset 310, the gib head of locking bar 360 is from crossbeam
Stretched out in 322 the first long through-hole, in the second long through-hole of the short side beam 393 for extending into top cover 390 above, hook the second length
The edge of through hole, by top cover 390 above and the end wall 320 of half folding door 392 is set to be locked in together, due to top cover above
390 long side bar 391 presses the long side bar of following top cover 390, so following top cover 390 is also locked together.Together
Sample, lockset 310 is set on another end wall 320 without half folding door, top cover 390 and end wall 320 are locked in together.
Unless otherwise defined, technology used herein and scientific terminology and the those skilled in the art of the present invention
The implication being generally understood that is identical.Term used herein is intended merely to describe specifically to implement purpose, it is not intended that limitation is originally
Invention.Terms such as herein presented " settings " can both represent that a part was attached directly to another part, also may be used
To represent that a part is attached to another part by middleware.The feature that describes in one embodiment can be with herein
Individually or with further feature be applied to another embodiment in combination, unless this feature in another embodiment not
It is applicable or is otherwise noted.
The present invention is illustrated by above-mentioned embodiment, but it is to be understood that, above-mentioned embodiment is
For the purpose illustrated and illustrated, and it is not intended to limit the invention in the range of described embodiment.Art technology
Personnel are it is understood that can also make more kinds of variants and modifications according to the teachings of the present invention, these variants and modifications
All fall within scope of the present invention.