CN218199876U - Locking mechanism and packaging box using same - Google Patents
Locking mechanism and packaging box using same Download PDFInfo
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- CN218199876U CN218199876U CN202222733958.4U CN202222733958U CN218199876U CN 218199876 U CN218199876 U CN 218199876U CN 202222733958 U CN202222733958 U CN 202222733958U CN 218199876 U CN218199876 U CN 218199876U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 55
- 238000004806 packaging method and process Methods 0.000 title claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 abstract description 24
- 238000007789 sealing Methods 0.000 abstract description 6
- 238000005538 encapsulation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a latched device and use packing box of this mechanism, latched device include upper cover plate and lower plate, and the appearance between upper cover plate and the lower plate holds the intracavity and sets up the hasp subassembly, and the hasp subassembly pushes away the button including the unblock, rotatory coupler rod, triggers the slide bar, triggers piece, first latch pole, second latch pole, first locking spring and/or second locking spring to and trigger spring. First spring bolt pole and second spring bolt pole rotate with rotatory lock hook pole respectively and are connected, set up the latch hook on rotatory lock hook pole respectively, set up the latch hook side opening on the leading flank of lower plate, the latch hook stretches out the outside of lower plate from the latch hook side opening, sets up the brake block at the rear portion that triggers the slide bar, set up on connecting the rack pole with brake block complex constant head tank. The utility model discloses a latched device sets up the case mouth department at packing box for the packing box has the function of automatic joint sealing, can use on full-automatic encapsulation production line. The locking mechanism can be unlocked by a single hand, and convenience is provided for a user.
Description
Technical Field
The utility model belongs to the technical field of the packing box, in particular to latched device and use packing box of this mechanism.
Background
The existing packing cases are mostly paper boxes, and the adhesive tape for sealing the paper boxes cannot be recycled. Although some packing boxes can be recycled, and a locking mechanism is arranged at the box opening of the box body, the locking mechanism cannot realize automatic box sealing and cannot be used on a full-automatic packaging production line. The existing locking mechanism of the packing box needs to be operated by two hands during unlocking, can not be unlocked by one hand, and sometimes brings inconvenience to users.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a latch mechanism and use packing box of this mechanism is provided, latch mechanism sets up in the case mouth department of packing box, has the function of automatic joint sealing, can use on full-automatic encapsulation production line, moreover, but packing box recycle, reduce cost. In addition, the locking mechanism can be unlocked by a single hand, and convenience is provided for a user.
The utility model discloses a realize like this, provide a latch mechanism, including upper cover plate and the lower plate that links together from top to bottom, set up the appearance chamber between upper cover plate and lower plate, set up the hasp subassembly in the appearance chamber, the hasp subassembly includes unblock push button, rotatory hasp pole, trigger slide bar, trigger block, first hasp pole, second hasp pole, first locking spring and/or second locking spring, and trigger spring, set up the spout on the upper cover plate, set up the pivot on the lower plate, set up direction buckle position and push rod on unblock push button respectively, set up the atress pole on rotatory hasp pole respectively, latch hook and first through-hole, direction buckle position lock joint and move along the spout in the both sides of spout, first through-hole cup joints in the pivot, the push rod drives the atress pole and rotates around the pivot, the latch hook also rotates simultaneously and realizes the unblock or the closure to other parts, first hasp pole and second hasp pole respectively with rotatory hasp pole rotation connection, the trigger block is protruding to be set up the leading flank of lower plate, set up first spring bolt and second spring tongue pole respectively on first hasp pole, set up second spring tongue pole locating slot on second spring bolt pole respectively; a lock hook side hole is formed in the front side face of the lower bottom plate, a brake block matched with the positioning groove is arranged on the trigger slide rod, a trigger part is arranged at the front end of the trigger slide rod, and the trigger part is positioned outside the front side face of the lower bottom plate; when the lock catch assembly is in a locked state, the unlocking push button moves backwards to a locked position, the push rod drives the stress rod to rotate so that the lock hook, the first lock tongue and the second lock tongue are simultaneously in the locked position, the lock hook is screwed out of the accommodating cavity from the lock hook side hole and is in locked connection with other matched locking parts, the brake block is moved out of the positioning groove, the trigger slide rod is in a restriction removal position, and the stress rod rotates and simultaneously drives the first lock tongue rod and the second lock tongue rod to respectively extend out of the accommodating cavity and be positioned on the left side edge and the right side edge of the lower bottom plate and respectively in locked connection with other matched locking parts; when the lock catch assembly is in an unlocking state, the unlocking push button moves forwards to an unlocking position, the push rod drives the stress rod to rotate, so that the lock hook, the first lock tongue and the second lock tongue are simultaneously located at the unlocking position, the stress rod rotates and simultaneously drives the first lock tongue rod and the second lock tongue rod to respectively move towards the middle part of the lower base plate, the first lock tongue rod moves, the trigger spring drives the brake block of the trigger slide rod to be located in the positioning groove and then to be located at a limiting position, the first lock tongue rod and the second lock tongue rod cannot be moved left and right any more, and the first lock tongue, the second lock tongue and the lock hook return to the accommodating cavity respectively.
Furthermore, a second through hole and a third through hole are respectively formed in the rotary lock hook rod, the second through hole and the third through hole are respectively located on two sides of the first through hole, a first rotating shaft is arranged at one end of the first lock tongue rod, a second rotating shaft is arranged at one end of the second lock tongue rod, the second through hole is rotatably connected with the first rotating shaft, and the third through hole is rotatably connected with the second rotating shaft.
Furthermore, an upper cover groove for installing an unlocking push button is arranged on the upper cover plate; the anti-theft plug-in is further arranged in the upper cover groove and comprises a plug-in board, a connecting portion and an elastic buckle, the connecting portion is an easily-broken part and is located between the plug-in board and the elastic buckle, the upper cover groove is internally provided with a groove, a locking edge is arranged on the side edge of the groove, the elastic buckle penetrates through the groove and then is mutually locked with the locking edge, the plug-in board is located in the front of the unlocking push button, the unlocking push button is limited to move forwards, and the unlocking push button cannot move forwards under the condition that the anti-theft plug-in is not removed.
Furthermore, a handle portion convenient for pulling off the connecting portion is arranged on the plug-in board.
Furthermore, a first spring positioning block is arranged on the first lock tongue rod, a second spring positioning block is arranged on the second lock tongue rod, a first limiting groove is arranged on the first spring positioning block, a second limiting groove is arranged on the second spring positioning block, and a first limiting lug and a second limiting lug which are matched with the first limiting groove and the second limiting groove are respectively arranged on the lower base plate.
Furthermore, other locking parts are arranged on the front side edges of the upper cover plate and the lower bottom plate, another locking mechanism is arranged on the other locking parts, a trigger block of the other locking mechanism can be mutually abutted with a trigger slide bar of the locking component, so that the trigger slide bar of the locking component is positioned at the restriction releasing position, and meanwhile, a trigger slide bar of the other locking mechanism is mutually abutted with a trigger block of the locking component, so that the trigger slide bar of the other locking mechanism is also positioned at the restriction releasing position.
Further, a pushing part is arranged at the top of the unlocking push button and is lower than the top surface of the unlocking push button.
The utility model discloses a realize like this, provide a packing box the last latched device that has used as before of packing box.
Furthermore, the packing box is a flat box, the packing box comprises a box body and box covers arranged on the top surface or the top and the bottom of the box body, and the locking mechanism is arranged on the box covers.
Furthermore, the box cover comprises a top front box cover and a top rear box cover which are positioned on the top surface of the box body and are opened from front to back, and a bottom front box cover and a bottom rear box cover which are positioned on the bottom surface of the box body and are opened from front to back, and the locking mechanisms are respectively arranged on the top front box cover, the top rear box cover, the bottom front box cover and the bottom rear box cover.
Compared with the prior art, the utility model discloses a latched device and use packing box of this mechanism, latched device include upper cover plate and the lower plate of connecting from top to bottom, and the intracavity setting between upper cover plate and the lower plate is locked the subassembly, locked the subassembly including the unblock push button, rotatory coupler rod, trigger slide bar, trigger block, first latch rod, second latch rod, first locking spring and/or second locking spring to and trigger spring. The upper cover plate is provided with a sliding groove, the lower base plate is provided with a rotating shaft, the unlocking push button is respectively provided with a guide buckle position and a push rod, the rotary lock hook rod is respectively provided with a stress rod, a lock hook and a first through hole, the guide buckle position is buckled on two sides of the sliding groove and moves along the sliding groove, the push rod drives the stress rod to rotate around the rotating shaft, the lock hook also rotates simultaneously to realize unlocking or locking of other lock parts, the first lock tongue rod and the second lock tongue rod are respectively and rotatably connected with the rotary lock hook rod, the first lock tongue rod and the positioning groove are respectively arranged on the first lock tongue rod, and the second lock tongue rod is respectively provided with a second lock tongue. The front side surface of the lower bottom plate is provided with a lock hook side hole, and the trigger slide bar is provided with a brake block matched with the positioning groove. When the lock catch assembly is in a locked state, the unlocking push button moves backwards to a locked position, the push rod drives the stress rod to rotate, so that the lock hook, the first lock tongue and the second lock tongue are simultaneously in the locked position, the lock hook is screwed out of the accommodating cavity from the lock hook side hole and is in locked connection with other matched locked components, the brake block is moved out of the positioning groove, the trigger slide rod is in a restriction removal position, and the stress rod rotates and simultaneously drives the first lock tongue rod and the second lock tongue rod to respectively extend out of the accommodating cavity and be positioned on the left side edge and the right side edge of the lower bottom plate and respectively in locked connection with other matched locked components. When the lock catch assembly is in an unlocking state, the unlocking push button moves forwards to an unlocking position, the stress rod is driven to rotate through the push rod, so that the lock hook is locked, the first lock tongue and the second lock tongue are simultaneously located at the unlocking position, the stress rod rotates and simultaneously drives the first lock tongue rod and the second lock tongue rod to move towards the middle of the lower bottom plate respectively, the first lock tongue rod moves in the process, the trigger spring drives the brake block of the trigger slide rod to be located behind the positioning groove, the trigger slide rod is located at the limiting position, the first lock tongue rod and the second lock tongue rod cannot be moved left and right any more, and the first lock tongue, the second lock tongue and the lock hook retreat into the accommodating cavity respectively. The utility model discloses a latched device sets up in packing box's case mouth department, has the function of automatic joint sealing, can use on full-automatic encapsulation production line, moreover, packing box circulated use, reduce cost. In addition, the locking mechanism can be unlocked by a single hand, and convenience is provided for a user.
Drawings
Fig. 1 is a perspective view of a preferred embodiment of the latch mechanism of the present invention;
fig. 2 is a perspective view of fig. 1 with the upper cover plate removed and the latch assembly in a locked state;
fig. 3 is a perspective view of the latch assembly of fig. 2 with the lower base plate removed and the latch assembly in a latched condition;
fig. 4 is a perspective view of the latch assembly of fig. 3 at another angle and in a locked condition;
fig. 5 is a perspective view from another angle as shown in fig. 3, with the latch assembly in an unlocked position;
FIG. 6 is a perspective view of the anti-theft insert of the latching mechanism;
fig. 7 is a perspective view of the packing box of the present invention;
FIG. 8 is a perspective view of the package of FIG. 7 with the lid open on one side of the package;
fig. 9 is a perspective view of the package of fig. 7 with the body and lid removed.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 5, the preferred embodiment of the locking mechanism of the present invention includes an upper cover plate 1 and a lower plate 2 connected together from top to bottom, an accommodating chamber (not shown in the figure) is disposed between the upper cover plate 1 and the lower plate 2, and a locking component 3 is disposed in the accommodating chamber. The upper deck 1 and the lower deck 2 are fixed together by a plurality of bolts (not shown in the drawings).
The locking assembly 3 includes an unlocking push button 31, a rotary latch rod 33, a trigger slide rod 35, a trigger block 36, a first latch rod 32, a second latch rod 34, a first locking spring 38 and/or a second locking spring 39, and a trigger spring 37. The middle part of the upper cover plate 1 is provided with a chute 11, the lower bottom plate 2 is provided with a rotating shaft 24, and the unlocking push button 31 is respectively provided with a guide buckle 310 and a push rod 311. The force-receiving rod 312, the latch hook 313, the first through hole 314, the second through hole, and the third through hole (not shown) are respectively provided on the rotary latch lever 33. The guide fastening positions 310 are fastened to both sides of the slide groove 11 and move along the slide groove 11, so that the unlocking push button 31 moves along the slide groove 11 through the guide fastening positions 310. The first through hole 314 of the rotating latch hook rod 33 is sleeved on the rotating shaft 24 of the lower base plate 2, the push rod 311 of the unlocking push button 31 drives the stressed rod 312 of the rotating latch hook rod 33 to rotate around the rotating shaft 24, and the latch hook 313 also rotates at the same time to realize unlocking or locking of other latch components.
The first latch rod 32 and the second latch rod 34 are respectively connected with the rotary latch hook rod 33 in a rotating way, and the trigger block 36 is convexly arranged on the front side surface of the lower bottom plate 2. The first latch bar 32 is respectively provided with a first latch 317 and a positioning groove 318, the second latch bar 34 is respectively provided with a second latch 319, and the first latch 317 and the second latch 319 are respectively arranged on the left side and the right side close to the lower base plate 2. A lock hook side hole 21 is provided on the front side of the lower plate 2, and a lock hook 313 extends from the lock hook side hole 21 to the outside of the lower plate 2 to be locked with other locking members. The trigger spring 37 is disposed at the rear side of the trigger slide 35, the trigger slide 35 is provided with a brake block 320 engaged with the positioning groove 318, the front end of the trigger slide 35 is provided with a trigger portion 321, and the trigger portion 321 is located outside the front side of the lower plate 2.
Specifically, when the locking assembly 3 is in the locked state, the unlocking push button 31 moves backwards to the locked position, the push rod 311 drives the force-bearing rod 312 to rotate counterclockwise, so that the locking hook 313, the first locking tongue 317 and the second locking tongue 319 are simultaneously in the locked position, the locking hook 313 is rotated out of the cavity from the locking hook side hole 21 and is in locking connection with locking holes on other locking parts matched with the locking hook side hole, the brake block 320 moves out of the positioning groove 318, and the trigger slide bar 35 is in the restriction release position; the force-bearing rod 312 rotates counterclockwise to drive the first latch rod 32 and the second latch rod 34 to move toward the left and right sides of the lower plate 2, respectively, extend out of the cavity and are located at the outer side of the lower plate 2, and are respectively connected with the jacks of other matched locking components in a locking manner.
Specifically, when the latch assembly 3 is in the unlocked state, the unlocking push button 31 moves forward to the unlocking position, and the push rod 311 drives the force-bearing rod 312 to rotate clockwise, so that the latch hook 313, the first latch bolt 317 and the second latch bolt 319 are simultaneously in the unlocking position; the stressed rod 312 rotates clockwise and drives the first latch bar 32 and the second latch bar 34 to move towards the middle of the lower base plate 2, respectively, in the moving process of the first latch bar 32, after the trigger spring 37 drives the brake block 320 of the trigger slide bar 35 to be located in the positioning groove 318, the trigger slide bar 35 is located at the restriction position, the first latch bar 32 and the second latch bar 34 cannot be moved left and right any more, and the first latch 317, the second latch 319 and the latch 313 retract into the accommodating cavity respectively.
The second through hole and the third through hole are respectively located at two sides of the first through hole 314, a first rotating shaft 315 is arranged at one end of the first latch rod 32, a second rotating shaft 316 is arranged at one end of the second latch rod 34, the second through hole is rotatably connected with the first rotating shaft 315, and the third through hole is rotatably connected with the second rotating shaft 316.
Referring to fig. 5 and 7, an upper cover groove 13 for installing an unlocking button 31 is formed in the upper cover plate 1, and the unlocking button 31 is lower than the top surface of the upper cover plate 1. An anti-theft plug-in 4 is also arranged in the upper cover groove 13. The antitheft plug-in 4 includes a plug-in board 41, a connecting portion 42, and an elastic catch 43. The connecting portion 42 is a breakable member and is located between the plug-in board 41 and the elastic catch 43, and a slot 12 is provided in the upper cover groove 13 of the upper cover plate 1, as shown in fig. 8. A locking edge (not shown) is arranged at the side of the slot 12, the elastic buckle 43 passes through the slot 12 and then is locked with the locking edge, the plug-in board 41 is positioned at the front part of the unlocking push button 31 to limit the forward movement of the unlocking push button 31, and the unlocking push button 31 cannot move forward without removing the anti-theft plug-in 4. The card 41 is provided with a handle 44 for facilitating the connection 42 to be disconnected. The handle portion 44 is a finger hole.
A first spring positioning block 323 is provided on the first latch lever 32, and a second spring positioning block 324 is provided on the second latch lever 34. The first locking spring 38 is disposed between the first locking tongue 317 and the first spring stopper 323, and the second locking spring 39 is disposed between the second locking tongue and the second spring stopper 324. A first limit groove 325 is formed on the first spring positioning block 323, a second limit groove 326 is formed on the second spring positioning block 324, and a first limit projection 22 and a second limit projection 23 which are respectively matched with the first limit groove 325 and the second limit groove 326 are formed on the lower base plate 2.
The front sides of the upper cover plate 1 and the lower base plate 2 are also provided with other locking parts, the other locking parts are provided with another locking mechanism, and a trigger block of the other locking mechanism can be mutually abutted against a trigger slide bar 35 of the locking component 3, so that the trigger slide bar 35 of the locking component 3 is positioned at a restriction releasing position. Meanwhile, the trigger slide bar of the other latch mechanism is abutted against the trigger block 36 of the latch assembly 3, so that the trigger slide bar of the other latch mechanism is also at the restriction release position at the same time.
A pushing part 322 is arranged at the top of the unlocking push button 31, and the pushing part 322 is lower than the top surface of the unlocking push button 31. A finger force acts on the pushing portion 322, so that the unlocking push button 31 moves along the chute 12. And a prompt scale of the unlocking moving direction is also arranged on the unlocking push button 31.
The push rod 311 is a front push rod and a rear push rod which are respectively fixed on the unlocking push button 31, wherein the push rod close to the second lock tongue 34 is the front push rod, and the other push rod is the rear push rod. The stress rod 312 is arranged between the front push rod and the rear push rod, the push rod 311 moves back and forth to drive the stress rod 312 to rotate clockwise or anticlockwise along the rotating shaft 24, which is equivalent to that the rotating latch hook rod 33 rotates clockwise or anticlockwise along the rotating shaft 24, so that the first latch bolt rod 32 and the second latch bolt rod 34 move close to each other towards the middle of the lower base plate 2 and extend away from each other towards the two sides of the lower base plate 2. On the other hand, the rear push rod also prevents the rotary latch rod 33 from rotating after being shifted when the anti-theft plug-in 4 is installed, thereby preventing abnormal unlocking, and improving the anti-theft capability of the latch mechanism.
Therefore, the latch assembly 3 has a linkage feature, but also has a trigger feature.
Referring to fig. 1, fig. 7 and fig. 9, the present invention further discloses a packing box, wherein the locking mechanism a is used on the packing box 5.
The packing box 5 is a flat box, the packing box 5 includes a box body 51 and a box cover 52 arranged on the top surface or the top and bottom surfaces of the box body 51, and the latch mechanism a is arranged on the box cover 52.
The cover 52 includes a top front cover 53 and a top back cover 54 which are positioned on the top surface of the box body 51 and are arranged in a front-back direction, and a bottom front cover 55 and a bottom back cover 56 which are positioned on the bottom surface of the box body 51 and are arranged in a front-back direction, and the latch mechanisms a are respectively arranged on the top front cover 53, the top back cover 54, the bottom front cover 55 and the bottom back cover 56.
An upper left fixing plate 57 and an upper right fixing plate 58 are provided on both left and right sides of an opening of the case 51, and a lower left fixing plate 59 and a lower right fixing plate 510 are provided on both left and right sides of a lower opening of the case 51. Side plate locking holes 511 are provided in the left and right upper fixing plates 57 and 58, and the left and right lower fixing plates 59 and 510, respectively. The first latch bolt 317 and the second latch bolt 319 of each set of latch mechanisms a are simultaneously locked in the corresponding side plate lock holes 511, meanwhile, the rotary latch hook rods 33 of the two sets of latch mechanisms a located in the top front box cover 53 and the top rear box cover 54 are mutually locked with the corresponding latch hook side holes 21, and the rotary latch hook rods 33 of the two sets of latch mechanisms a located in the bottom front box cover 55 and the bottom rear box cover 56 are mutually locked with the corresponding latch hook side holes 21, so that the whole box body 51 is in a locked state.
The upper cover grooves 13 of the two sets of locking mechanisms a located on the front bottom cover 55 and the rear bottom cover 56 are located on the inner side surface of the box body 51, so that the unlocking push button 31 is also located on the inner side surface of the box body 51, and a user can respectively open the locking assemblies 3 of the two sets of locking mechanisms a from the inside of the box body 51. The latch mechanism a comprises the first bolt 317, the second bolt 319 and the rotary latch rod 33, so that the latch mechanism a can be locked with corresponding parts at three different positions, and the reliability and stability during locking are improved. On the other hand, due to the arrangement of the trigger block 36, the trigger slide rod 35 and the trigger spring 37, the existing locking state of the two box covers 51 cannot be influenced no matter the box covers are covered firstly, secondly or simultaneously, so that the packing box has an automatic box sealing function. On the other hand, since there is only one unlocking push button 31 in each of the two sets of latching mechanisms a, pushing the unlocking push button 31 effects unlocking and closing of the corresponding latching assembly 3. Moreover, because the two sets of locking mechanisms a are arranged in pairs, and the two sets of unlocking push buttons 31 are close to each other, unlocking and closing of the two sets of locking components 3 can be realized by one hand. Two sets of anti-theft inserts 4 may also be combined into one set, as shown in fig. 6 and 9.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (10)
1. A latch mechanism comprises an upper cover plate and a lower base plate which are connected together up and down, wherein a containing cavity is arranged between the upper cover plate and the lower base plate, and a latch component is arranged in the containing cavity; a lock hook side hole is formed in the front side face of the lower bottom plate, a brake block matched with the positioning groove is arranged on the trigger slide rod, a trigger part is arranged at the front end of the trigger slide rod, and the trigger part is positioned outside the front side face of the lower bottom plate; when the lock catch assembly is in a locked state, the unlocking push button moves backwards to a locked position, the push rod drives the stress rod to rotate so that the lock hook, the first lock tongue and the second lock tongue are simultaneously in the locked position, the lock hook is screwed out of the accommodating cavity from the lock hook side hole and is in locked connection with other matched locking parts, the brake block is moved out of the positioning groove, the trigger slide rod is in a restriction removal position, and the stress rod rotates and simultaneously drives the first lock tongue rod and the second lock tongue rod to respectively extend out of the accommodating cavity and be positioned on the left side edge and the right side edge of the lower bottom plate and respectively in locked connection with other matched locking parts; when the lock catch assembly is in an unlocking state, the unlocking push button moves forwards to an unlocking position, the stress rod is driven to rotate through the push rod, so that the lock hook is locked, the first lock tongue and the second lock tongue are simultaneously located at the unlocking position, the stress rod rotates and simultaneously drives the first lock tongue rod and the second lock tongue rod to move towards the middle of the lower bottom plate respectively, the first lock tongue rod moves in the process, the trigger spring drives the brake block of the trigger slide rod to be located behind the positioning groove, the trigger slide rod is located at the limiting position, the first lock tongue rod and the second lock tongue rod cannot be moved left and right any more, and the first lock tongue, the second lock tongue and the lock hook retreat into the accommodating cavity respectively.
2. The latch mechanism of claim 1, further comprising a second through hole and a third through hole respectively formed in the rotary latch rod, wherein the second through hole and the third through hole are respectively located at two sides of the first through hole, a first rotating shaft is disposed at one end of the first latch rod, a second rotating shaft is disposed at one end of the second latch rod, the second through hole is rotatably connected to the first rotating shaft, and the third through hole is rotatably connected to the second rotating shaft.
3. The latch mechanism of claim 1 wherein an upper cover slot is provided in said upper cover plate for receiving an unlocking push button; the anti-theft plug-in is further arranged in the upper cover groove and comprises a plug-in board, a connecting portion and an elastic buckle, the connecting portion is an easily-broken part and is located between the plug-in board and the elastic buckle, the upper cover groove is internally provided with a groove, a locking edge is arranged on the side edge of the groove, the elastic buckle penetrates through the groove and then is mutually locked with the locking edge, the plug-in board is located in front of the unlocking push button and limits the unlocking push button to move forwards, and the unlocking push button cannot move forwards under the condition that the anti-theft plug-in is not removed.
4. A latching mechanism according to claim 3 wherein a handle portion is provided on the board to facilitate removal of the connector portion.
5. The latch mechanism of claim 1, wherein a first spring positioning block is disposed on the first latch rod, a second spring positioning block is disposed on the second latch rod, a first position-limiting groove is disposed on the first spring positioning block, a second position-limiting groove is disposed on the second spring positioning block, and a first position-limiting protrusion and a second position-limiting protrusion which are engaged with the first position-limiting groove and the second position-limiting groove are disposed on the lower base plate, respectively.
6. The latch mechanism according to claim 1, wherein other locking members are provided on the front sides of the upper and lower plates, and another latch mechanism is provided on the other locking members, and the trigger bar of the other latch mechanism can abut against the trigger bar of the latch assembly to cause the trigger bar of the latch assembly to be in the restriction release position, while the trigger bar of the other latch mechanism abuts against the trigger bar of the latch assembly to cause the trigger bar of the other latch mechanism to be in the restriction release position at the same time.
7. The latch mechanism of claim 1 wherein a push portion is provided on the top of the unlock push button, the push portion being lower than the top surface of the unlock push button.
8. A packaging box is characterized in that the locking mechanism as claimed in any one of claims 1 to 7 is used on the packaging box.
9. The package of claim 8, wherein the package is a flat box, the package comprises a box body and a box cover arranged on the top surface or the bottom surface of the box body, and the locking mechanism is arranged on the box cover.
10. The package of claim 9 wherein the cover comprises a top front cover and a top rear cover on the top surface of the box body and extending in a front-to-back direction, and a bottom front cover and a bottom rear cover on the bottom surface of the box body and extending in a front-to-back direction, the locking mechanisms being disposed on the top front cover, the top rear cover, the bottom front cover, and the bottom rear cover, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222733958.4U CN218199876U (en) | 2022-10-16 | 2022-10-16 | Locking mechanism and packaging box using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222733958.4U CN218199876U (en) | 2022-10-16 | 2022-10-16 | Locking mechanism and packaging box using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218199876U true CN218199876U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222733958.4U Active CN218199876U (en) | 2022-10-16 | 2022-10-16 | Locking mechanism and packaging box using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218199876U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116395238A (en) * | 2023-03-21 | 2023-07-07 | 永康市知路科技有限公司 | Packing box sealing device |
| CN116812378A (en) * | 2023-05-31 | 2023-09-29 | 河北汉光重工有限责任公司 | Aviation container pallet connecting device capable of realizing container transportation |
-
2022
- 2022-10-16 CN CN202222733958.4U patent/CN218199876U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116395238A (en) * | 2023-03-21 | 2023-07-07 | 永康市知路科技有限公司 | Packing box sealing device |
| CN116812378A (en) * | 2023-05-31 | 2023-09-29 | 河北汉光重工有限责任公司 | Aviation container pallet connecting device capable of realizing container transportation |
| CN116812378B (en) * | 2023-05-31 | 2025-08-29 | 河北汉光重工有限责任公司 | An aviation container pallet connection device capable of realizing container transportation |
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