CN217477991U - Locking device for box body - Google Patents
Locking device for box body Download PDFInfo
- Publication number
- CN217477991U CN217477991U CN202220987113.5U CN202220987113U CN217477991U CN 217477991 U CN217477991 U CN 217477991U CN 202220987113 U CN202220987113 U CN 202220987113U CN 217477991 U CN217477991 U CN 217477991U
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- connecting seat
- seat
- locking
- locking block
- draw hook
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Abstract
The utility model discloses a locking device used on a box body, which comprises a hinged seat, a first connecting seat and a second connecting seat, wherein the hinged seat is provided with the first connecting seat which is pivoted with the hinged seat, and the first connecting seat and the second connecting seat are coaxially connected through a threaded lead screw; a locking assembly capable of rotating around the second connecting seat is installed in the second connecting seat, the locking assembly comprises a drag hook and a first locking block, and a fastening seat corresponding to the drag hook is arranged at a position adjacent to the hinged seat; the buckling seat is provided with a limiting shaft fixedly connected with the buckling seat, and the draw hook can approach or separate from the limiting shaft while rotating relative to the second connecting seat; the draw hook penetrates through the limiting shaft, the first locking block is in extrusion contact with the surface of the buckling seat, and the first locking block is far away from the buckling seat while the draw hook is separated from the limiting shaft; the utility model discloses set up the locking Assembly of fixed box and upper cover between box and upper cover, firm in connection just is very reliable.
Description
Technical Field
The utility model belongs to the technical field of locking device, concretely relates to locking device for on box.
Background
The packing box is usually used for transporting materials, the materials are thrown from high altitude sometimes, and the anti-falling capability of the packing box is very important. The packing box on the market at present generally comprises box and upper cover, generally uses hasp fixed connection between box and the upper cover. The unlocking direction of the lock catch is the same as the opening direction of the packing box, and the lock catch is opened along the direction of the upper cover. Because the packing box is vertical decurrent when throwing from the eminence, there will be vertical direction's impact force between upper cover and the box when falling to the ground so the packing box, this impact force is along the unblock direction of hasp, and the hasp damages easily under the effect of impact force so. Finally, the lock catch of the packaging box cannot continuously lock the box body and the upper cover. Therefore, it is desirable to design a locking device for a cabinet.
Disclosure of Invention
The utility model discloses to the problem that exists among the prior art, designed a locking device for on the box, the utility model discloses set up the locking Assembly of fixed box and upper cover between box and upper cover, firm in connection just very reliably.
The invention aims to be realized by the following technical scheme: a locking device for a box body comprises a hinge seat, a first connecting seat and a second connecting seat, wherein the hinge seat is provided with the first connecting seat which is pivoted with the hinge seat, and the first connecting seat is coaxially connected with the second connecting seat through a threaded screw rod; a locking assembly capable of rotating around the second connecting seat is installed in the second connecting seat, the locking assembly comprises a drag hook and a first locking block, and a fastening seat corresponding to the drag hook is arranged at a position adjacent to the hinged seat; the buckling base is provided with a limit shaft fixedly connected with the buckling base, and the draw hook can approach or separate from the limit shaft while rotating relative to the second connecting base; the first locking piece extrusion contact buckling seat's surface when the drag hook passes spacing axle, and the first locking piece is kept away from buckling seat when the drag hook breaks away from spacing axle.
Preferably, the locking assembly further comprises a rotating shaft, a handle and a second locking block; the first locking block and the handle are respectively fixedly connected with the rotating shaft and synchronously rotate with the rotating shaft, and the rotating shaft penetrates through the second connecting seat and can rotate around the second connecting seat; the draw hook is sleeved on the rotating shaft and fixedly connected with the handle through a first pin shaft, and the draw hook and the handle rotate synchronously.
The draw hook synchronously rotates when the handle is rotated, the draw hook can penetrate through the limiting shaft or be separated from the limiting shaft when rotating, the first locking block is in extrusion contact with the buckling seat when the draw hook penetrates through the limiting shaft, and the locking assembly is in a locking state at the moment; when the draw hook is separated from the limiting shaft, the first locking block is far away from the buckling seat, and the locking assembly is in an unlocking state at the moment.
Preferably, the first lock block is fixedly connected with the rotating shaft through a second pin shaft, and the second lock block is sleeved on the rotating shaft and is arranged opposite to the first lock block; the second locking piece is provided with a protrusion at a position adjacent to the second connecting seat, and the protrusion is clamped in the second connecting seat and enables the second locking piece to be incapable of rotating relative to the second connecting seat.
The second locking piece cover is established and is installed and can be close to first locking piece along the axial at pivot place in the pivot, has set up the arch on the second locking piece, protruding card in the second connecting seat, the second locking piece just can't rotate relative second connecting seat like this.
Preferably, the first locking piece and the second locking piece are coaxially arranged, a first limiting portion is arranged at the position, facing the second locking piece, of the first locking piece, a second limiting portion is arranged at the position, facing the first locking piece, of the second locking piece, and the first limiting portion corresponds to the second limiting portion in a one-to-one mode.
When the locking assembly is in a locking state, the second locking block is partially attached to the first locking block, and the first locking block cannot move in the axial direction of the first locking block relative to the rotating shaft; rotate first locking piece, first spacing portion and the spacing portion of second be close to direct complete contact each other, first locking piece can be close to the second locking piece this moment, and the tight seat of knot can be kept away from simultaneously to first locking piece, locking Assembly will be in the unblock state like this.
Preferably, the drag hook is provided with a safety button pivoted with the drag hook, and the safety button is arranged on the drag hook through a third pin shaft; a cylindrical pin for limiting the rotation of the safety button is arranged on the side surface of the second connecting seat facing the draw hook; the safety button is provided with an inner concave part, and the inner concave part is pressed to contact with the cylindrical pin or is far away from the cylindrical pin when the safety button rotates relative to the draw hook.
Only rotate the insurance button, the cylindric lock will be kept away from to the insurance button like this, and the drag hook just can not be restricted by the insurance button and can rotate by second connecting seat relatively so, and the drag hook will rotate second connecting seat relatively when rotating the handle so, and the drag hook pivoted will break away from spacing axle simultaneously.
Preferably, the draw hook is provided with a spring leaf for generating elasticity to the safety button, one end of the spring leaf is fixedly connected with the draw hook, and the other end of the spring leaf leans against the inner wall of the safety button facing to the draw hook; the spring piece generates elastic deformation and simultaneously generates elastic force on the safety button to enable the safety button to be in extrusion contact with the cylindrical pin.
The spring piece generates elasticity on the safety button, so that the safety button can always press and contact the cylindrical pin when no external force is applied, and the safety button can always limit the drag hook to rotate relative to the second connecting seat; therefore, when the locking assembly is in the locking state, the spring piece enables the safety button to be incapable of rotating, so that the draw hook is always in the static state, and the locking state of the locking assembly is more stable.
Preferably, the spring piece is fixedly connected with the draw hook through a fastener, and the end, close to the cylindrical pin, of the spring piece is bent towards the cylindrical pin.
The spring piece and the drag hook are firmly connected through the fastener, and simultaneously the spring piece and the end close to the cylindrical pin are bent towards the cylindrical pin, so that the spring piece can exert elastic force on the safety button.
Preferably, the fastening seat is provided with a groove for the drag hook to pass through, and the groove is arranged under the limiting shaft.
The groove is arranged in the draw hook, so that the draw hook can rotate relative to the limiting shaft conveniently and cannot interfere with the fastening seat.
Preferably, the first connecting seat and the second connecting seat are respectively installed on two parallel box body flanges, the box body flanges are arranged on a vertical plane, a sealing strip is arranged between every two adjacent box body flanges, the sealing strip is arranged in parallel with a horizontal plane, and the end faces, opposite to the second connecting seat, of the first connecting seat are respectively arranged in parallel with the horizontal plane.
First connecting seat and second connecting seat and horizontal plane parallel arrangement, the external impact force that the box flange received can let first connecting seat and second connecting seat be close to each other in vertical direction, the external impact force mutually perpendicular that the locking Assembly's of installing simultaneously on the second connecting seat unblock direction and box flange received, locking Assembly can maintain at the lock-out state all the time under the effect that receives external impact force so, lets the box flange can not throw off each other.
Preferably, both ends of the threaded screw rod are provided with threads, one end of the threaded screw rod is in threaded connection with the first connecting seat, and the other end of the threaded screw rod is in threaded connection with the second connecting seat.
The screw thread opposite direction at screw thread lead screw both ends sets up, when the unilateral rotates screw thread lead screw first connecting seat be close to each other or keep away from each other with the second connecting seat.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model is provided with a hinged seat and a fastening seat which are connected through a first connecting seat, a second connecting seat and a thread lead screw arranged between the first connecting seat and the second connecting seat; the second connecting seat is provided with a locking assembly, the locking assembly comprises a draw hook and a first locking block, the draw hook is rotated to pass through the limiting shaft, the second connecting seat cannot move relative to the fastening seat at the moment, and the locking assembly is in a locking state at the moment; the draw hook is rotated to separate the draw hook from the limiting shaft, the second connecting seat can move relative to the buckling seat at the moment, and the locking assembly is in an unlocking state at the moment. When locking Assembly was in the locking state, thereby first locking piece can extrusion contact withholds the seat and lets the second connecting seat also can extrude the withholds the seat, and the connection of withholding seat and articulated seat will be inseparabler then. Therefore, the utility model discloses can fasten the articulated seat of connection and buckle the seat, so the utility model discloses install and to let box and upper cover firm in connection, safe and reliable on the packing box.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a perspective view of the present invention;
fig. 3 is a perspective view of the present invention;
FIG. 4 is a perspective view of the locking assembly in an unlocked state;
fig. 5 is a partially enlarged view of a position a in fig. 3.
The labels in the figure are: 1. a hinged seat; 2. a first connecting seat; 3. a second connecting seat; 4. a threaded lead screw; 5. a locking assembly; 51. pulling a hook; 52. a first lock block; 521. a first limiting part; 53. a rotating shaft; 54. a handle; 55. a second lock block; 551. a second limiting part; 56. a first pin shaft; 57. a second pin shaft; 58. a protrusion; 6. a fastening seat; 7. a limiting shaft; 8. an insurance button; 81. an inner concave portion; 9. a third pin shaft; 10. a cylindrical pin; 11. a spring plate; 12. a fastener; 13. a groove; 14. a box body flange; 15. a sealing strip.
Detailed Description
The invention will be further described with reference to the embodiments shown in the drawings to which:
as shown in fig. 1 to 5, the embodiment discloses a locking device for a box body, which includes a hinged seat 1, a first connecting seat 2 and a second connecting seat 3, wherein the hinged seat 1 is provided with the first connecting seat 2 pivoted with the hinged seat, and the first connecting seat 2 and the second connecting seat 3 are coaxially connected through a threaded screw rod 4; a locking assembly 5 capable of rotating around the second connecting seat is installed in the second connecting seat 3, the locking assembly 5 comprises a drag hook 51 and a first locking block 52, and a fastening seat 6 corresponding to the drag hook is arranged at a position adjacent to the hinged seat 1; the fastening seat 6 is provided with a limit shaft 7 fixedly connected with the fastening seat, and the draw hook 51 can approach or separate from the limit shaft 7 when the draw hook 51 rotates relative to the second connecting seat 3; the draw hook 51 passes through the limiting shaft 7, meanwhile, the first locking block 52 is pressed and contacted with the surface of the fastening seat 6, and the draw hook 51 is separated from the limiting shaft 7, meanwhile, the first locking block 52 is far away from the fastening seat 6.
The locking assembly 5 further comprises a rotating shaft 53, a handle 54 and a second locking block 55; the first locking block 52 and the handle 54 are respectively fixedly connected with the rotating shaft 53 and synchronously rotate with the rotating shaft 53, and the rotating shaft 53 penetrates through the second connecting seat 3 and can rotate around the second connecting seat; the draw hook 51 is sleeved on the rotating shaft 53, the draw hook 51 is fixedly connected with the handle 54 through a first pin shaft 56, and the draw hook 51 and the handle 54 rotate synchronously. The first locking block 52 is fixedly connected with the rotating shaft 53 through a second pin shaft 57, and the second locking block 55 is sleeved on the rotating shaft 53 and is arranged opposite to the first locking block 52; the second locking piece 55 is provided with a protrusion 58 at a position adjacent to the second connecting seat 3, and the protrusion 58 is clamped in the second connecting seat 3 and prevents the second locking piece 55 from rotating relative to the second connecting seat 3. The first locking block 52 and the second locking block 55 are coaxially arranged, a first limiting portion 521 is arranged at the position, facing the second locking block 55, of the first locking block 52, a second limiting portion 551 is arranged at the position, facing the first locking block 52, of the second locking block 55, and the first limiting portion 521 corresponds to the second limiting portion 551 in a one-to-one mode.
The draw hook 51 is provided with a safety button 8 pivoted with the draw hook 51, and the safety button 8 is arranged on the draw hook 51 through a third pin shaft 9; the side surface of the second connecting seat 3 facing the draw hook 51 is provided with a cylindrical pin 10 for limiting the rotation of the safety button 8; the safety button 8 is provided with an inner concave part 81, and the inner concave part 81 is pressed to contact the cylindrical pin 10 or is far away from the cylindrical pin 10 when the safety button 8 rotates relative to the draw hook 51. The draw hook 51 is provided with a spring leaf 11 for generating elasticity to the safety button 8, one end of the spring leaf 11 is fixedly connected with the draw hook 51, and the other end leans against the inner wall of the safety button 8 facing the draw hook 51; the spring piece 11 generates elastic deformation and the spring piece 11 generates elastic force on the safety button 8 to enable the safety button to be in pressing contact with the cylindrical pin 10. The spring plate 11 is fixedly connected with the draw hook 51 through a fastener 12, and the end of the spring plate 11 close to the cylindrical pin 10 is bent towards the cylindrical pin 10.
The buckling base 6 is provided with a groove 13 which is convenient for the drag hook 51 to pass through, and the groove 13 is arranged under the limiting shaft 7. First connecting seat 2 and second connecting seat 3 install respectively on two box flanges 14 that are parallel to each other, box flange 14 set up on vertical plane, be equipped with sealing strip 15 between the adjacent box flange 14, sealing strip 15 and horizontal plane parallel arrangement, first connecting seat 2 and the relative terminal surface of second connecting seat 3 respectively with horizontal plane parallel arrangement. Both ends of the threaded screw rod 4 are provided with threads, one end of the threaded screw rod 4 is in threaded connection with the first connecting seat 2, and the other end of the threaded screw rod is in threaded connection with the second connecting seat 3.
The specific working process of this embodiment is as follows, when the packing box is in the closed state, the box flanges 14 are close to each other and the sealing performance between the box flanges 14 is maintained through the sealing strips 15. Locking assembly 5 at this moment is in the locking state, drag hook 51 pass recess 13 and be close to spacing axle 7, first locking piece 52 can press the contact simultaneously and buckle seat 6, drag hook 51 is because the restriction that receives safety button 8 can't rotate for second connecting seat 3 relatively, and then first locking piece 52 can extrude buckle seat 6 always, buckle seat 6 with articulated seat 1 be connected inseparabler.
When the packaging box needs to be opened, the locking component 5 needs to be in an unlocking state; firstly, the safety button 8 is rotated to separate the safety button 8 from the cylindrical pin 10, and the draw hook 51 can rotate relative to the second connecting seat 3 after losing the limit of the safety button 8; then the handle 54 is rotated, the draw hook 51 and the handle 54 rotate synchronously, and the draw hook 51 can be separated from the limit shaft 7 while rotating; then pulling handle 51 lets first connecting seat 2 and second connecting seat 3 rotate together articulated seat 1 relatively, and first locking piece 52 will be kept away from the tight seat 6 of knot when second connecting seat 3 rotates articulated seat 1 relatively, and locking Assembly 5 will be in the unblock state then, gets to open the packing box again at last.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. A locking device for a box body comprises a hinged seat (1), a first connecting seat (2) and a second connecting seat (3), and is characterized in that the hinged seat (1) is provided with the first connecting seat (2) which is pivoted with the hinged seat, and the first connecting seat (2) and the second connecting seat (3) are coaxially connected through a threaded screw rod (4); a locking assembly (5) capable of rotating around the second connecting seat is installed in the second connecting seat (3), the locking assembly (5) comprises a drag hook (51) and a first locking block (52), and a fastening seat (6) corresponding to the position adjacent to the hinged seat (1) is arranged; the buckling base (6) is provided with a limiting shaft (7) fixedly connected with the buckling base, and the draw hook (51) can approach or separate from the limiting shaft (7) when the draw hook (51) rotates relative to the second connecting base (3); the draw hook (51) passes through the limiting shaft (7) and the first locking block (52) is in extrusion contact with the surface of the fastening seat (6), and the draw hook (51) is separated from the limiting shaft (7) and the first locking block (52) is far away from the fastening seat (6).
2. The locking device for the box body as claimed in claim 1, wherein the locking assembly (5) further comprises a rotating shaft (53), a handle (54) and a second locking block (55); the first locking block (52) and the handle (54) are respectively fixedly connected with the rotating shaft (53) and synchronously rotate with the rotating shaft (53), and the rotating shaft (53) penetrates through the second connecting seat (3) and can rotate around the second connecting seat; drag hook (51) cover establish and install on pivot (53), drag hook (51) and handle (54) through first round pin axle (56) fixed connection, drag hook (51) and handle (54) synchronous rotation.
3. The locking device for the box body as claimed in claim 2, wherein the first locking block (52) is fixedly connected with the rotating shaft (53) through a second pin shaft (57), and the second locking block (55) is sleeved on the rotating shaft (53) and is arranged opposite to the first locking block (52); the second locking block (55) is provided with a bulge (58) at a position adjacent to the second connecting seat (3), and the bulge (58) is clamped in the second connecting seat (3) and prevents the second locking block (55) from rotating relative to the second connecting seat (3).
4. The locking device for the box body as claimed in claim 3, wherein the first locking block (52) and the second locking block (55) are coaxially arranged, a first limiting portion (521) is arranged at a position of the first locking block (52) facing the second locking block (55), a second limiting portion (551) is arranged at a position of the second locking block (55) facing the first locking block (52), and the first limiting portion (521) and the second limiting portion (551) are in one-to-one correspondence.
5. The locking device for the box body as claimed in claim 2, wherein the draw hook (51) is provided with a safety button (8) pivoted with the draw hook (51), and the safety button (8) is arranged on the draw hook (51) through a third pin shaft (9); a cylindrical pin (10) used for limiting the rotation of the safety button (8) is arranged on the side surface of the second connecting seat (3) facing the draw hook (51); the safety button (8) is provided with an inner concave part (81), and the inner concave part (81) is pressed to contact the cylindrical pin (10) or is far away from the cylindrical pin (10) when the safety button (8) rotates relative to the draw hook (51).
6. The locking device for the box body as claimed in claim 5, wherein the draw hook (51) is provided with a spring leaf (11) for generating elasticity to the safety button (8), one end of the spring leaf (11) is fixedly connected with the draw hook (51), and the other end of the spring leaf leans against the inner wall of the safety button (8) facing to the draw hook (51); the spring piece (11) generates elastic deformation and meanwhile the spring piece (11) generates elastic force on the safety button (8) to enable the safety button to be in extrusion contact with the cylindrical pin (10).
7. A locking device for a box according to claim 6, wherein the spring plate (11) is fixedly connected with the hook (51) through a fastener (12), and the end of the spring plate (11) close to the cylindrical pin (10) is bent towards the cylindrical pin (10).
8. The locking device for the box body as claimed in claim 1, wherein the fastening seat (6) is provided with a groove (13) for the drag hook (51) to pass through, and the groove (13) is arranged right below the limiting shaft (7).
9. The locking device for the box body as claimed in claim 1, wherein the first connecting seat (2) and the second connecting seat (3) are respectively installed on two parallel box body flanges (14), the box body flanges (14) are arranged on a vertical plane, a sealing strip (15) is arranged between the adjacent box body flanges (14), the sealing strip (15) is arranged in parallel with a horizontal plane, and the opposite end surfaces of the first connecting seat (2) and the second connecting seat (3) are respectively arranged in parallel with the horizontal plane.
10. The locking device for the box body as claimed in claim 1, wherein the two ends of the threaded screw rod (4) are both provided with threads, one end of the threaded screw rod (4) is in threaded connection with the first connecting seat (2), and the other end is in threaded connection with the second connecting seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220987113.5U CN217477991U (en) | 2022-04-25 | 2022-04-25 | Locking device for box body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220987113.5U CN217477991U (en) | 2022-04-25 | 2022-04-25 | Locking device for box body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217477991U true CN217477991U (en) | 2022-09-23 |
Family
ID=83309169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220987113.5U Active CN217477991U (en) | 2022-04-25 | 2022-04-25 | Locking device for box body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217477991U (en) |
-
2022
- 2022-04-25 CN CN202220987113.5U patent/CN217477991U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Slo Logistics Technology Co.,Ltd. Assignor: JINHUA JIT PACKING Co.,Ltd. Contract record no.: X2023330000558 Denomination of utility model: A locking device used on the box Granted publication date: 20220923 License type: Common License Record date: 20230828 |
|
| EE01 | Entry into force of recordation of patent licensing contract |