CN111547365B - Self-locking anti-falling hasp for packaging box - Google Patents
Self-locking anti-falling hasp for packaging box Download PDFInfo
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- CN111547365B CN111547365B CN202010373842.7A CN202010373842A CN111547365B CN 111547365 B CN111547365 B CN 111547365B CN 202010373842 A CN202010373842 A CN 202010373842A CN 111547365 B CN111547365 B CN 111547365B
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- cover plate
- lock tongue
- outer side
- hasp
- handle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/14—Non-removable lids or covers
- B65D43/22—Devices for holding in closed position, e.g. clips
Abstract
A self-locking anti-drop hasp for a packaging box mainly comprises a handle, a lock tongue, a cover plate, a lock tongue reset spring, a hasp rotating shaft, a lock tongue fixed pin, a baffle and a fixing base, wherein the lock tongue reset spring is designed, and the lock tongue reset spring is compressed by pressing a lock tongue pressing plate to realize opening; the packing box hasp is assembled on the box cover, the buckling of the box cover and the box body can be realized only by slightly closing the handle downwards with a small force, the box cover can be opened only by pressing the lock tongue pressing plate during opening, and the operation is simple. The buckling and opening processes are flexible and labor-saving, and the requirement of automatic operation is met.
Description
Technical Field
The invention belongs to the field of product packaging equipment, and particularly relates to a self-locking anti-falling hasp for a packaging box.
Background
The packing box among the prior art need realize locking and open the function when loading and transporting article, and common locking device is mostly hasp or anticreep colludes, and in transportation or handling, because the box rocks or receives easy not hard up, fracture of hasp when external force collides, opens certainly, causes article to lose or damage in the packing box, seriously influences the sealing performance and the security performance of packing box.
In order to solve the defect that the hasp of a packing box is easy to loosen and open automatically, the hasp device applied to an emergency box or a household storage box in the prior art is mostly tight fit or interference fit, so that the hasp is difficult to open once the hasp is buckled, and after the hasp is used for a period of time, the fastener is easy to damage and needs to be replaced again.
Disclosure of Invention
In order to overcome the defects that the hasp of the packaging box in the prior art has no self-locking function, is easy to loosen, is self-opened, has poor sealing performance and safety and the like, the invention provides the self-locking anti-falling hasp of the packaging box.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a self-locking anti-drop hasp for a packaging box comprises a handle, a lock tongue, a cover plate, a lock tongue return spring, a hasp rotating shaft, a lock tongue fixing pin, a baffle and a fixing seat;
the upper half part of the longitudinal section of the handle is in a half I shape, and the lower half part of the longitudinal section of the handle is a wedge-shaped guide surface; a rotating shaft through hole is formed in the upper end of the half I shape, the hasp rotating shaft is inserted into the rotating shaft through hole and connected with the baffle on the box cover, and the handle is fixed on the box cover; a bolt hole is arranged at the lower end of the semi-H shape, and the bolt fixing pin is inserted into the bolt hole to connect the bolt with the handle; the lower end of the front side of the handle is provided with a concave hole, and the middle lower part of the back side of the handle is provided with a groove for installing a lock tongue and a cover plate; a cover plate connecting column is arranged in the groove, and the cover plate is connected with the cover plate connecting column and is arranged on the handle;
the cover plate is fixedly connected with the cover plate connecting column by adopting the universal means in the prior art such as stamping, riveting, welding, plastic welding, hinging, hot melting, bolt connection and the like.
The front and back of the lock tongue have different structures; the front side of the lock tongue comprises a first inner side surface of the lock tongue, an inner inclined surface, a second inner side surface of the lock tongue and a lock tongue pressing plate; the first inner side surface of the lock tongue is a vertical plane, the second inner side surface of the lock tongue is parallel to the first inner side surface of the lock tongue, and the connecting surface between the first inner side surface of the lock tongue and the second inner side surface of the lock tongue is an inner inclined surface; the upper part of the second inner side face of the lock tongue is provided with a V-shaped direction identification pattern, the middle part of the second inner side face of the lock tongue is vertically provided with a lock tongue pressing plate, when the box is opened, the lock tongue pressing plate is pressed downwards, the lock tongue is enabled to move downwards along the radial position of the handle by compressing a lock tongue reset spring, so that a lock tongue convex block matched with a fixed seat on the box body is loosened, the handle is separated from the fixed seat, and the box body and a box cover are opened;
the back surface of the lock tongue comprises a first outer side surface of the lock tongue, a lock tongue platform surface and a second outer side surface of the lock tongue; the first outer side surface of the lock tongue is a vertical plane, the second outer side surface of the lock tongue is arranged in parallel with the first outer side surface of the lock tongue, and the lock tongue platform surface is arranged vertically to the first outer side surface of the lock tongue and the second outer side surface of the lock tongue; a bolt lug is arranged at the joint of the bolt platform surface and the second outer side surface of the bolt; under the action of external force, when the box is closed, the lock tongue convex block is matched with a fixed seat arranged on the box body, the lock tongue is enabled to move downwards and upwards along the radial position of the handle by compressing a lock tongue reset spring, a hasp is locked with the fixed seat, and the box body is buckled with the box cover;
the side surface of the middle lower part of the lock tongue is provided with a through lock tongue pin hole, the lock tongue fixing pin penetrates through the lock tongue pin hole and is inserted into a pin hole on the handle, so that the lock tongue is connected with the handle, the lock tongue is arranged in the groove, and the lock tongue can move up and down along the radial position of the handle in the groove; the bottom of the lock tongue is provided with a round blind hole, an extended boss is arranged outside the blind hole, and the formed hollow cavity is used for accommodating a lock tongue reset spring;
the cover plate is buckled outside the lock tongue, and the front surface of the cover plate comprises a first inner side surface of the cover plate, a first inner platform surface of the cover plate, a second inner side surface of the cover plate and a second inner platform surface of the cover plate; the first inner side surface of the cover plate is a vertical plane, the second inner side surface of the cover plate is arranged in parallel with the first outer side surface of the cover plate, and the first inner platform surface and the second inner platform surface of the cover plate are arranged vertically to the first inner side surface and the second inner side surface of the cover plate; the second inner platform surface of the cover plate is abutted against the spring bolt return spring and is used for limiting the spring bolt return spring to move downwards along the radial position of the handle;
the back surface of the cover plate comprises a first outer side surface of the cover plate, a first outer platform surface of the cover plate, a second outer side surface of the cover plate and a guide surface of the cover plate; the first outer side surface of the cover plate is a vertical plane, the second outer side surface of the cover plate is arranged in parallel with the first outer side surface of the cover plate, and the first outer platform surface of the cover plate is arranged vertically to the first outer side surface and the second outer side surface of the cover plate; a spring bolt lug hole is arranged at the upper part of the first inner and outer platform surfaces of the cover plate and the second inner and outer side surfaces of the cover plate and at the position corresponding to the spring bolt lug, and the hole is a through hole, so that the spring bolt lug can extend out conveniently and can move up and down along the radial position of the handle;
the cover plate is provided with cover plate through holes at the first inner side surface and the first outer side surface, and the second inner side surface and the second outer side surface of the cover plate, which correspond to the cover plate connecting columns, and the cover plate through holes are respectively connected with the cover plate connecting columns arranged in the grooves to fix the cover plate with the handles and the lock tongues; the cover plate guide surface is matched with the wedge-shaped guide surface of the handle in shape;
after the handle, the spring bolt and the cover plate are assembled, the spring bolt and the cover plate are embedded in the groove, and the spring bolt is wrapped inside the handle and the cover plate.
The self-locking anti-falling hasp for the packing box, which is designed by adopting the technical scheme, has the following beneficial effects:
the self-locking anti-falling hasp designed by the invention has the advantages of simple structure, convenience in operation and reliability in locking, and can not be automatically opened in the transportation and carrying processes; through designing the lock tongue and the lock tongue reset spring, the lock tongue reset spring is compressed by pressing the lock tongue pressing plate to realize opening, so that the defects that in the prior art, when the fit clearance between the fixing base and the latch handle is too large, the hasp is easy to shake, when the fit clearance between the fixing base and the latch handle is smaller, the hasp is more tightly matched and difficult to open, and the latch handle is easy to break when opening are overcome; the packing box hasp is assembled on the box cover, the buckling of the box cover and the box body can be realized only by slightly closing the handle downwards with a small force, the box cover can be opened only by pressing the lock tongue pressing plate during opening, and the operation is simple. The buckling and opening processes are flexible and labor-saving, and the requirement of automatic operation is met.
Drawings
FIG. 1 is a schematic view of the self-locking anti-release buckle of the present invention mounted on a case cover;
FIG. 2 is a schematic view of the self-locking anti-drop hasp fixing base of the invention installed on a box body;
FIG. 3 is an exploded view of the self-locking anti-drop hasp of embodiment 1 of the invention;
FIG. 4 is a front isometric view of the self-locking anti-release buckle of embodiment 1 of the present invention;
FIG. 5 is a perspective view of the back of the self-locking anti-release buckle according to embodiment 1 of the present invention;
FIG. 6 is a side view of the front side of the self-locking anti-release buckle latch of embodiment 1 of the present invention;
FIG. 7 is a radial sectional view of the self-locking anti-release buckle according to embodiment 1 of the present invention;
in the figure: 1. picking up hands; 2. a latch bolt; 3. a cover plate; 4. a bolt return spring; 5. a hasp rotating shaft; 6. a bolt securing pin; 7. a fixed seat; 8. a baffle plate; 9. a box cover; 10. a box body; 11. concave holes; 12. a groove; 13. a cover plate connecting column; 14. a wedge-shaped guide surface; 51. a through hole of the rotating shaft; 61. a pin hole;
211. a first outer side surface of the bolt; 212. a bolt platform surface; 213. a second outer side surface of the lock tongue; 214. a bolt projection; 221. a first inner side of the bolt; 222. an inner bevel; 223. a second inner side of the bolt; 224. a spring bolt pressing plate; 231. a bolt pin hole; 232. blind holes; 233. a boss;
311. a first outer side of the cover plate; 312. a cover plate first outer platform surface; 313. a second outer side of the cover plate; 314. a cover plate guide surface; 321. a cover plate first inner side; 322. a cover plate first inner platform surface; 323. a second inner side of the cover plate; 324. a cover plate second inner platform surface; 331. a bolt boss hole; 332. and a cover plate through hole.
Detailed Description
Example 1: a self-locking anti-drop hasp for a packaging box comprises a handle, a lock tongue, a cover plate, a lock tongue return spring, a hasp rotating shaft, a lock tongue fixing pin, a baffle and a fixing seat;
the upper half part of the longitudinal section of the handle is in a half I shape, and the lower half part of the longitudinal section of the handle is a wedge-shaped guide surface; a rotating shaft through hole is formed in the upper end of the half I shape, the hasp rotating shaft is inserted into the rotating shaft through hole and connected with the baffle on the box cover, and the handle is fixed on the box cover; a bolt hole is arranged at the lower end of the semi-H shape, and the bolt fixing pin is inserted into the bolt hole to connect the bolt with the handle; the lower end of the front side of the handle is provided with a concave hole, and the middle lower part of the back side of the handle is provided with a groove for installing a lock tongue and a cover plate; the groove is internally provided with an upper cover plate connecting column, a lower cover plate connecting column and three cover plate connecting columns, and the cover plates are connected with the cover plate connecting columns and are arranged on the handle;
the cover plate is fixedly connected with the cover plate connecting column in a stamping mode;
the front and back of the lock tongue have different structures; the front side of the lock tongue comprises a first inner side surface of the lock tongue, an inner inclined surface, a second inner side surface of the lock tongue and a lock tongue pressing plate; the first inner side surface of the lock tongue is a vertical plane, the second inner side surface of the lock tongue is parallel to the first inner side surface of the lock tongue, and the connecting surface between the first inner side surface of the lock tongue and the second inner side surface of the lock tongue is an inner inclined surface; the upper part of the second inner side face of the lock tongue is provided with a V-shaped direction identification pattern, the middle part of the second inner side face of the lock tongue is vertically provided with a lock tongue pressing plate, when the box is opened, the lock tongue pressing plate is pressed downwards, the lock tongue is enabled to move downwards along the radial position of the handle by compressing a lock tongue reset spring, so that a lock tongue convex block matched with a fixed seat on the box body is loosened, the handle is separated from the fixed seat, and the box body and a box cover are opened;
the back surface of the lock tongue comprises a first outer side surface of the lock tongue, a lock tongue platform surface and a second outer side surface of the lock tongue; the first outer side surface of the lock tongue is a vertical plane, the second outer side surface of the lock tongue is arranged in parallel with the first outer side surface of the lock tongue, and the lock tongue platform surface is arranged vertically to the first outer side surface of the lock tongue and the second outer side surface of the lock tongue; the joints of the first outer side surface of the lock tongue, the platform surface of the lock tongue and the second outer side surface of the lock tongue are connected by chamfer arcs; a bolt lug is arranged at the arc connection position of the bolt platform surface and the second outer side surface of the bolt; the lock tongue lug is a trapezoidal lug with an inclined plane, the inclined plane of the lock tongue lug is matched with a fixed seat arranged on the box body when the box is closed under the action of external force, the lock tongue moves downwards and upwards along the radial position of the handle by compressing the lock tongue reset spring, the hasp and the fixed seat are locked, and the box body and the box cover are buckled;
the side surface of the middle lower part of the lock tongue is provided with a through lock tongue pin hole with a round-corner rectangular section, the lock tongue fixing pin penetrates through the lock tongue pin hole and is inserted into a bolt hole on the handle, so that the lock tongue is connected with the handle, the lock tongue is arranged in the groove, and the lock tongue can move up and down along the radial position of the handle in the groove; the bottom of the lock tongue is provided with a round blind hole, an extended boss is arranged outside the blind hole, and the formed hollow cavity is used for accommodating a lock tongue reset spring;
the cover plate is buckled outside the lock tongue, and the front surface of the cover plate comprises a first inner side surface of the cover plate, a first inner platform surface of the cover plate, a second inner side surface of the cover plate and a second inner platform surface of the cover plate; the first inner side surface of the cover plate is a vertical plane, the second inner side surface of the cover plate is arranged in parallel with the first outer side surface of the cover plate, and the first inner platform surface and the second inner platform surface of the cover plate are arranged vertically to the first inner side surface and the second inner side surface of the cover plate; the second inner platform surface of the cover plate is abutted against the spring bolt return spring and is used for limiting the spring bolt return spring to move downwards along the radial position of the handle;
the back surface of the cover plate comprises a first outer side surface of the cover plate, a first outer platform surface of the cover plate, a second outer side surface of the cover plate and a guide surface of the cover plate; the first outer side surface of the cover plate is a vertical plane, the second outer side surface of the cover plate is arranged in parallel with the first outer side surface of the cover plate, and the first outer platform surface of the cover plate is arranged vertically to the first outer side surface and the second outer side surface of the cover plate; the joints of the first inner side surface and the first outer side surface of the cover plate, the first inner platform surface and the first outer platform surface of the cover plate and the second inner side surface and the second outer side surface of the cover plate are connected by chamfer arcs; a spring bolt lug hole is arranged at the upper part of the first inner and outer platform surfaces of the cover plate and the second inner and outer side surfaces of the cover plate and at the position corresponding to the spring bolt lug, and the hole is a through hole, so that the spring bolt lug can extend out conveniently and can move up and down along the radial position of the handle;
at the position corresponding to the cover plate connecting column, 1 cover plate through hole is formed in the upper part of the first inner side surface and the first outer side surface of the cover plate, 2 cover plate through holes are symmetrically formed in the lower part of the second inner side surface and the second outer side surface of the cover plate, and the cover plate is respectively connected with three cover plate connecting columns arranged in the grooves to fix the cover plate with the handle and the lock tongue; the cover plate guide surface is matched with the wedge-shaped guide surface of the handle in shape;
after the handle, the spring bolt and the cover plate are assembled, the spring bolt and the cover plate are embedded in the groove, and the spring bolt is wrapped inside the handle and the cover plate.
Claims (9)
1. The utility model provides a packing box auto-lock anticreep hasp which characterized in that: the lock comprises a handle, a lock tongue, a cover plate, a lock tongue reset spring, a hasp rotating shaft, a lock tongue fixing pin, a baffle and a fixing seat;
the upper half part of the longitudinal section of the handle is in a half I shape, and the lower half part of the longitudinal section of the handle is a wedge-shaped guide surface; a rotating shaft through hole is formed in the upper end of the half I shape, the hasp rotating shaft is inserted into the rotating shaft through hole and connected with the baffle on the box cover, and the handle is fixed on the box cover; a bolt hole is arranged at the lower end of the half I shape;
the lower end of the front side of the handle is provided with a concave hole, and the middle lower part of the back side of the handle is provided with a groove for installing a lock tongue and a cover plate;
a cover plate connecting column is arranged in the groove;
the front and back of the lock tongue have different structures; the front surface of the lock tongue is provided with a lock tongue pressing plate, and the back surface of the lock tongue is provided with a lock tongue protruding block; the side surface of the middle lower part of the lock tongue is provided with a through lock tongue pin hole, the lock tongue fixing pin penetrates through the lock tongue pin hole and is inserted into a pin hole on the handle, so that the lock tongue is connected with the handle, and the lock tongue is arranged in the groove; the bottom of the lock tongue is provided with a round blind hole, an extended boss is arranged outside the blind hole, and the formed hollow cavity is used for accommodating a lock tongue reset spring; the lock tongue protruding block is matched with a fixed seat arranged on the box body, so that the box body is buckled with the box cover; the cover plate is buckled outside the lock tongue, and a lock tongue bump hole is arranged at the position corresponding to the lock tongue bump and is a through hole; the cover plate is provided with a cover plate through hole and is connected with a cover plate connecting column arranged in the groove, so that the cover plate is arranged on the handle; the front surface of the cover plate is provided with a platform which is abutted against the bolt return spring;
the back of the cover plate is provided with a cover plate guide surface which is matched with the shape of the wedge-shaped guide surface of the handle;
the front surface of the cover plate comprises a first inner side surface of the cover plate, a first inner platform surface of the cover plate, a second inner side surface of the cover plate and a second inner platform surface of the cover plate; the first inner side surface of the cover plate is a vertical plane, the second inner side surface of the cover plate is arranged in parallel with the first outer side surface of the cover plate, and the first inner platform surface and the second inner platform surface of the cover plate are arranged vertically to the first inner side surface and the second inner side surface of the cover plate; the second inner platform surface of the cover plate is abutted with the bolt return spring;
the back surface of the cover plate comprises a first outer side surface of the cover plate, a first outer platform surface of the cover plate, a second outer side surface of the cover plate and a guide surface of the cover plate; the first outer side surface of the cover plate is a vertical plane, the second outer side surface of the cover plate is arranged in parallel with the first outer side surface of the cover plate, and the first outer platform surface of the cover plate is arranged vertically to the first outer side surface and the second outer side surface of the cover plate; and the upper parts of the first inner and outer platform surfaces of the cover plate and the inner and outer side surfaces of the second cover plate are provided with bolt lug holes.
2. The self-locking and anti-dropping hasp for the packaging box according to claim 1, wherein:
the front side of the lock tongue comprises a first inner side surface of the lock tongue, an inner inclined surface, a second inner side surface of the lock tongue and a lock tongue pressing plate; the first inner side surface of the lock tongue is a vertical plane, the second inner side surface of the lock tongue is parallel to the first inner side surface of the lock tongue, and the connecting surface between the first inner side surface of the lock tongue and the second inner side surface of the lock tongue is an inner inclined surface; the upper part of the second inner side surface of the lock tongue is provided with a V-shaped direction identification pattern, and the middle part of the second inner side surface of the lock tongue is vertically provided with a lock tongue pressing plate;
the back surface of the lock tongue comprises a first outer side surface of the lock tongue, a lock tongue platform surface and a second outer side surface of the lock tongue; the first outer side surface of the lock tongue is a vertical plane, the second outer side surface of the lock tongue is arranged in parallel with the first outer side surface of the lock tongue, and the lock tongue platform surface is arranged vertically to the first outer side surface of the lock tongue and the second outer side surface of the lock tongue; and a bolt lug is arranged at the joint of the bolt platform surface and the second outer side surface of the bolt.
3. The self-locking and anti-dropping hasp for the packaging box according to claim 1 or 2, characterized in that: the cross section of the bolt pin hole is a round corner rectangle.
4. The self-locking and anti-dropping hasp for the packaging box according to claim 1 or 2, characterized in that: the groove is internally provided with an upper cover plate connecting column, a lower cover plate connecting column and three cover plate connecting columns; the apron with the apron spliced pole correspond the position, open on first inside and outside lateral surface upper portion has 1 apron through-hole, the symmetry of apron second inside and outside lateral surface lower part is opened has 2 apron through-holes, is connected with the three apron spliced pole that sets up in the recess respectively, will lap with scratch hand, the spring bolt is fixed.
5. The self-locking and anti-dropping hasp for the packaging box according to claim 3, wherein: the groove is internally provided with an upper cover plate connecting column, a lower cover plate connecting column and three cover plate connecting columns; the apron with the apron spliced pole correspond the position, open on first inside and outside lateral surface upper portion has 1 apron through-hole, the symmetry of apron second inside and outside lateral surface lower part is opened has 2 apron through-holes, is connected with the three apron spliced pole that sets up in the recess respectively, will lap with scratch hand, the spring bolt is fixed.
6. The self-locking and anti-dropping hasp for the packaging box according to claim 1 or 2, characterized in that: the cover plate is fixedly connected with the cover plate connecting column and is formed by stamping, welding and hot melting.
7. The self-locking and anti-dropping hasp for the packaging box according to claim 3, wherein: the cover plate is fixedly connected with the cover plate connecting column and is formed by stamping, welding and hot melting.
8. The self-locking and anti-dropping hasp for the packaging box according to claim 4, wherein: the cover plate is fixedly connected with the cover plate connecting column and is formed by stamping, welding and hot melting.
9. The self-locking and anti-dropping hasp for the packaging box according to claim 5, wherein: the cover plate is fixedly connected with the cover plate connecting column and is formed by stamping, welding and hot melting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010373842.7A CN111547365B (en) | 2020-05-06 | 2020-05-06 | Self-locking anti-falling hasp for packaging box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010373842.7A CN111547365B (en) | 2020-05-06 | 2020-05-06 | Self-locking anti-falling hasp for packaging box |
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| Publication Number | Publication Date |
|---|---|
| CN111547365A CN111547365A (en) | 2020-08-18 |
| CN111547365B true CN111547365B (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010373842.7A Active CN111547365B (en) | 2020-05-06 | 2020-05-06 | Self-locking anti-falling hasp for packaging box |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09286449A (en) * | 1996-04-19 | 1997-11-04 | Matsushita Electric Ind Co Ltd | Lid opening and closing device |
| CN202764806U (en) * | 2012-08-29 | 2013-03-06 | 宁波生久柜锁有限公司 | Hasp lock of electric car |
| CN203129761U (en) * | 2013-01-17 | 2013-08-14 | 宁波生久柜锁有限公司 | Hasp type safety lock |
| CN109303379A (en) * | 2018-11-07 | 2019-02-05 | 航宇救生装备有限公司 | A kind of ejector seat ship packet connecting band hook lock |
| CN109779391A (en) * | 2018-12-29 | 2019-05-21 | 宁波生久柜锁有限公司 | Modified double locking lock |
| CN209410747U (en) * | 2019-01-08 | 2019-09-20 | 永康市铁迪科技有限公司 | Turnover box automatic locking device |
-
2020
- 2020-05-06 CN CN202010373842.7A patent/CN111547365B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09286449A (en) * | 1996-04-19 | 1997-11-04 | Matsushita Electric Ind Co Ltd | Lid opening and closing device |
| CN202764806U (en) * | 2012-08-29 | 2013-03-06 | 宁波生久柜锁有限公司 | Hasp lock of electric car |
| CN203129761U (en) * | 2013-01-17 | 2013-08-14 | 宁波生久柜锁有限公司 | Hasp type safety lock |
| CN109303379A (en) * | 2018-11-07 | 2019-02-05 | 航宇救生装备有限公司 | A kind of ejector seat ship packet connecting band hook lock |
| CN109779391A (en) * | 2018-12-29 | 2019-05-21 | 宁波生久柜锁有限公司 | Modified double locking lock |
| CN209410747U (en) * | 2019-01-08 | 2019-09-20 | 永康市铁迪科技有限公司 | Turnover box automatic locking device |
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| Publication number | Publication date |
|---|---|
| CN111547365A (en) | 2020-08-18 |
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