Box lock and luggage box
By designing the distribution of hooks, latches, and limiting components on the suitcase, and combining this with the use of torsion elastic components, the problem of easy latch detachment has been solved, achieving a thinner design and improved reliability of the suitcase lock, thus meeting the needs of large-capacity suitcases.
Patent Information
- Application Number
- CN202422998423.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-05
AI Technical Summary
The existing locks and hooks of suitcases have poor reliability and are easily detached under external impact or vibration. In addition, the locks and unlocking components occupy the space of the suitcase, affecting its volume and reliability.
Design a box lock with a locking hook on the box body and a locking buckle and a limiting member on the box lid. The locking state is maintained by the limiting member overlapping with the limiting platform. The unlocking component drives the limiting member to rotate to switch between the locking and unlocking states. The torsional elastic member provides elasticity to ensure stability.
The design of the lock is made thinner, which improves the reliability of the lock and the utilization of the internal space of the suitcase, thus enhancing the reliability and security of the suitcase.
Smart Images

Figure CN223469139U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of locks, in particular to a suitcase lock and a luggage case. Background Art
[0002] The existing suitcase has an opening and closing gap, with a box body and a box lid respectively arranged on both sides of the opening and closing gap. The box body is provided with a lock buckle and an unlocking button, and the box lid is provided with a lock hook that matches the lock buckle. The lock hook can hook the lock buckle to lock the box lid to the box body, and pressing the unlocking button can unlock the lock buckle and the lock hook.
[0003] In the prior art, the locking structure of the lock buckle and the lock hook has poor reliability. Under external force impact or vibration, such as being dropped or squeezed during check-in, the lock buckle can easily detach from the lock hook, causing the suitcase to open accidentally. In addition, the lock buckle and unlocking components in the existing suitcase are arranged on the suitcase body, which will occupy the storage space of the suitcase body.
[0004] Therefore, there is an urgent need for a luggage lock and a suitcase to solve the above problems. Utility Model Content
[0005] The purpose of the utility model is to provide a box lock, which can improve the reliability of the box lock while not occupying the storage space of the box body and can increase the volume of the box body.
[0006] To achieve this purpose, the present invention adopts the following technical solutions:
[0007] A luggage lock is used on a suitcase. The suitcase includes a lid and a body. The luggage lock includes:
[0008] A lock hook is provided on the box body;
[0009] A lock buckle is rotatably mounted on the box cover, and a limit platform is provided on the lock buckle. The lock buckle has an unlocked state and a locked state. When the lock buckle is in the unlocked state, the lock buckle can be disengaged from the lock hook; when the lock buckle is in the locked state, the lock buckle is hooked on the lock hook;
[0010] A limiting member is rotatably disposed on the box cover, and the limiting member can overlap the limiting platform to keep the lock in a locked state;
[0011] An unlocking assembly is arranged on the box cover, and the unlocking assembly can drive the limiting member to rotate, so that the limiting member is separated from the limiting platform, so that the lock is switched from the locked state to the unlocked state.
[0012] Preferably, the box lock includes a first torsional elastic member and a second torsional elastic member. The first torsional elastic member is used to provide torsional elastic force for the lock buckle to keep the lock buckle in an unlocked state, and the second torsional elastic member is used to provide torsional elastic force for the limit member to drive the limit member to reset after unlocking.
[0013] As preferred, the unlocking assembly comprises:
[0014] a connecting rod, which is slidingly arranged on the box cover in a first direction, one end of the connecting rod being movably connected with the limiting piece;
[0015] a pressing piece, which is slidingly arranged on the box cover in a second direction, the pressing piece being drivingly connected with the connecting rod, the pressing piece being capable of driving the connecting rod to slide in the first direction along with the sliding of the pressing piece in the second direction, so as to rotate the limiting piece, the first direction being perpendicular to the second direction.
[0016] As preferred, a driving column is arranged on the pressing piece, a long circular hole is arranged on the first end of the connecting rod, the length direction of the long circular hole is arranged at an angle with the first direction, the driving column is arranged through the long circular hole and is capable of sliding along the long circular hole.
[0017] As preferred, a connecting column is arranged on the side wall of the limiting piece, a first open slot is arranged on the second end of the connecting rod, the connecting column is capable of sliding along the first open slot.
[0018] As preferred, the limiting piece comprises a rotating part and an overlapping platform, the rotating part is rotatably connected with the box body, the overlapping platform is capable of overlapping with the limiting platform, so as to keep the lock catch in the locked state.
[0019] As preferred, the limiting platform comprises a limiting platform surface and a guiding platform surface, the guiding platform surface is configured to guide the overlapping platform to overlap on the limiting platform surface.
[0020] As preferred, the lock hook comprises a clasp, the lock catch comprises a second open slot, at least part of the clasp is capable of being limited in the second open slot.
[0021] As preferred, an avoiding part is arranged on one end of the lock catch close to the second open slot.
[0022] Another purpose of the utility model is to provide a luggage case, through adopting the above-mentioned box lock, it is favorable to meet the demand of the luggage case to the internal space large capacity, can provide more effective space for the storage article, and improve the reliability of the luggage case.
[0023] A luggage case, comprising a box cover, a box body and the box lock, the box cover is rotatably connected with the box body, the box cover is locked with the box body through the box lock.
[0024] Beneficial effects:
[0025] The utility model provides a kind of box lock, including lock hook, lock catch, limiting piece and unlocking assembly, lock hook is set on box body, lock catch is rotatably set on box cover, limiting table is equipped on lock catch, and lock catch has unlocking state and lock state, when lock catch is in unlocking state, lock catch can be released from lock hook, when lock catch is in lock state, lock catch hook is set on lock hook, limiting piece is rotatably set on box cover, limiting piece can be overlapped with limiting table, to make lock catch keep lock state, unlocking assembly is set on box cover, unlocking assembly can drive limiting piece to rotate, to make limiting piece separate from limiting table, lock catch switches from lock state to unlocking state. On the one hand, lock catch, limiting piece and unlocking assembly are concentrated in box cover part, lock hook is set on box body, lock catch, limiting piece and unlocking assembly can be arranged along straight line, realize the thin design of box lock, can improve the volume of box body;On the other hand, limiting piece is limited when lock catch and lock hook are locked, improve the reliability of box lock.
[0026] The utility model provides a kind of luggage, by using above-mentioned box lock, it is favorable to meet the demand of large capacity of internal space of luggage, can provide more effective space for storage goods, and improve the reliability of luggage. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 It is the first schematic view of the luggage provided by the utility model embodiment;
[0028] Figure 2 It is the second schematic view of the luggage provided by the utility model embodiment;
[0029] Figure 3 It is the structure schematic view of the box lock under the first visual angle provided by the utility model embodiment;
[0030] Figure 4 It is the structure schematic view of the box lock under the second visual angle provided by the utility model embodiment;
[0031] Figure 5 It is the structure schematic view of the box lock under the third visual angle provided by the utility model embodiment;
[0032] Figure 6 It is the local enlarged view of part structure of the box lock under the second visual angle provided by the utility model embodiment;
[0033] Figure 7 It is the local enlarged view of the box lock under the first visual angle provided by the utility model embodiment.
[0034] In the drawing:
[0035] 1, box lock; 11, lock catch; 111, limiting table; 1111, limiting table surface; 1112, guide table surface; 112, second opening groove; 113, avoiding part; 12, lock hook; 13, limiting piece; 131, rotating part; 132, lapping table; 133, connecting column; 14, connecting rod; 141, long round hole; 142, first opening groove; 15, pressing piece; 151, transmission column; 16, combination lock; 17, lock core;
[0036] 2, luggage; 21, box cover; 22, box body. DETAILED DESCRIPTION
[0037] The utility model will be described in further detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.
[0038] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0039] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0040] In the description of the embodiment, the terms "up", "down", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.
[0041] The embodiment provides a box lock and a luggage case. Figures 1-2 As shown in the figure, the luggage case comprises a box cover 21, a box body 22 and the box lock provided by the embodiment, the box cover 21 is rotationally connected with the box body 22, and the box cover 21 is locked with the box body 22 through the box lock. Figures 3-5 As shown in the figure, the box lock comprises a lock hook 12, a lock catch 11, a limiting piece 13 and an unlocking assembly, the lock hook 12 is arranged on the box body 22, the lock catch 11 is rotationally arranged on the box cover 21, the lock catch 11 is provided with a limiting table 111, and the lock catch 11 has an unlocking state and a locking state; when the lock catch 11 is in the unlocking state, the lock catch 11 can be separated from the lock hook 12; when the lock catch 11 is in the locking state, the lock catch 11 is hooked on the lock hook 12; the limiting piece 13 is rotationally arranged on the box cover 21, the limiting piece 13 can be overlapped with the limiting table 111, so that the lock catch 11 remains in the locking state; and the unlocking assembly is arranged on the box cover 21, the unlocking assembly can drive the limiting piece 13 to rotate, so that the limiting piece 13 is separated from the limiting table 111, and the lock catch 11 is switched from the locking state to the unlocking state.
[0042] The box lock provided by the embodiment has the following advantages: the lock catch 11, the limiting piece 13 and the unlocking assembly are concentrated on the box cover 21, the lock hook 12 is arranged on the box body 22, the lock catch 11, the limiting piece 13 and the unlocking assembly can be arranged in a straight line on the box cover 21, the thin design of the box lock 1 can be realized, and the volume of the box body 22 can be increased; on the other hand, the rotation of the lock catch 11 is limited by the limiting piece 13 when the lock catch 11 is locked with the lock hook 12, and the reliability of the box lock 1 is improved.
[0043] The luggage case of the embodiment has the following advantages: the box lock 1 is adopted, the demand of the luggage case 2 for a large internal space can be met, more effective space can be provided for storing articles, and the reliability of the luggage case 2 is improved.
[0044] As shown in the figure, the box lock 1 comprises a first torsional elastic piece (not shown in the figure) and a second torsional elastic piece (not shown in the figure), the first torsional elastic piece is used for providing torsional elastic force for the lock catch 11, so that the lock catch 11 remains in the unlocking state, the lock catch 11 is separated from the lock hook 12 after being unlocked, and the convenience of unlocking is improved. Figures 3-7 It can be understood that when the limiting piece 13 is separated from the limiting table 111 of the lock catch 11, the first torsional elastic piece provides torsional elastic force for the lock catch 11, the lock catch 11 rotates away from the lock hook 12, and the lock catch 11 is switched from the locking state to the unlocking state. In the embodiment, the first torsional elastic piece is a first torsional spring, the first torsional spring can quickly return to the initial state after bearing a certain range of torsional force, the original shape and performance are maintained, the first torsional spring can work repeatedly for a long time and does not have obvious plastic deformation, and the stability and reliability of the structure of the box lock 1 are ensured.
[0045] The second torsional elastic member is used to provide torsional elastic force for the limiting member 13 to drive the limiting member 13 to reset after unlocking, and to prepare for the next locking. Specifically, during the process of switching the lock catch 11 from unlocking to locking, the second torsional elastic member can enable the limiting member 13 to quickly lap onto the limiting platform 111 to limit the rotation of the lock catch 11, maintain a stable locking state, and improve the stability of the structure of the case lock 1. In the embodiment, the second torsional elastic member is a second torsional spring. After bearing a certain range of torsional force, the second torsional spring can quickly recover to the initial state, maintain the original shape and performance, can repeatedly work for a long time without obvious plastic deformation, and ensure the stability and reliability of the structure of the case lock 1.
[0046] As shown in Figures 3-5 , the unlocking assembly includes a connecting rod 14 and a pressing member 15. The connecting rod 14 is slidingly arranged on the case cover 21 in a first direction. One end of the connecting rod 14 is movably connected with the limiting member 13. The pressing member 15 is slidingly arranged on the case cover 21 in a second direction. The other end of the connecting rod 14 is drivingly connected with the pressing member 15. The movement of the pressing member 15 in the second direction can drive the connecting rod 14 to move in the first direction, and then make the limiting member 13 rotate, separate the lapping platform 132 from the limiting platform 111, and unlock the case lock 1. The first direction is perpendicular to the second direction. This design fully utilizes the two-dimensional plane space of the case cover 21, converts the movement of the pressing member 15 in the second direction into the movement of the connecting rod 14 in the first direction through the connecting rod 14, so that the components can be more reasonably distributed in the limited space, which is beneficial to the miniaturization and compactness design of the case lock 1.
[0047] As shown in Figure 4 and Figure 6 , the pressing member 15 is provided with a transmission column 151, and the first end of the connecting rod 14 is provided with an oblong hole 141. The length direction of the oblong hole 141 is arranged at an angle with the first direction. The transmission column 151 is arranged in the oblong hole 141 and can slide along the oblong hole 141. The sliding of the pressing member 15 in the second direction is accurately converted into the sliding of the connecting rod 14 in the first direction, and then the accurate control of the rotation of the limiting member 13 is realized. In some embodiments, by adjusting the opening angle of the oblong hole 141, the size and other parameters of the transmission column 151 matched with the oblong hole 141, the transmission ratio between the pressing member 15 and the connecting rod 14 can be accurately designed, so that the limiting member 13 can rotate at the expected angle every time the pressing member 15 moves in the second direction, and then the accuracy and stability of the unlocking action are realized.
[0048] As shown in Figure 6As shown, the side wall of the limiting piece 13 is provided with a connecting column 133, and the second end of the connecting rod 14 is provided with a first open slot 142, the connecting column 133 can slide along the first open slot 142, and the side of the first open slot 142 close to the pressing piece 15 is configured as an arc shape, which is consistent with the movement track of the connecting column 133 relative to the box cover 21, thereby ensuring the flexibility of the movement of the connecting column 133.
[0049] As shown in the drawings, Figures 6-7 As shown, the limiting piece 13 includes a rotating part 131 and a lapping table 132, the rotating part 131 is rotatably connected with the box body 22, and the lapping table 132 can be lapped with the limiting table 111 to keep the lock catch 11 in the locked state, and the track of the rotating part 131 relative to the box body 22 is stable, which ensures that the lapping table 132 can be accurately lapped with the limiting table 111 of the lock catch 11 when the lock catch 11 is locked with the lock hook 12, avoiding the situation that the locking is not firm or cannot be locked due to position deviation, improving the reliability of the structure of the luggage case 2, and meeting the needs of the luggage case 2 for sealing and safety.
[0050] As shown in the drawings, Figures 6-7 As shown, the limiting table 111 includes a limiting table surface 1111 and a guide table surface 1112, the guide table surface 1112 is used to guide the lapping table 132 to lap on the limiting table surface 1111, and the lapping table 132 abuts against the guide table surface 1112 in the initial unlocking state, and in the locking process, the lock catch 11 rotates, and the guide table surface 1112 can guide the lapping table 132 to move smoothly to the limiting table surface 1111 to fix the position of the lock catch 11, complete the locking, and improve the stability of the structure of the box lock 1.
[0051] As shown in the drawings, Figures 6-7 As shown, the lock hook 12 includes a clasp, and the lock catch 11 includes a second open slot 112, at least part of the clasp can be limited in the second open slot 112, and the second open slot 112 provides a clear limiting space for the clasp, so that the clasp can accurately enter and be positioned in the second open slot 112 in the locking process, avoiding the problems of inaccurate locking, firm locking, or difficult unlocking.
[0052] As shown in the drawings, Figures 6-7 As shown, the lock catch 11 is provided with an avoiding part 113 at one end close to the second open slot 112, and the lock catch 11 avoids the box cover 21 and the lock hook 12 in the rotating process, so that the unlocking and clamping processes are more flexible, avoiding collision between components, and improving the stability of the use of the box lock 1.
[0053] As shown in the drawings, Figures 1-4As shown, in the embodiment, the box lock 1 further comprises a password lock 16 and / or a lock core 17, through which the restriction on the movement of the pressing piece 15 in the second direction can be removed to perform the next step of the unlocking operation. The specific restriction structure of the password lock 16 and the lock core 17 belongs to the prior art in the field and will not be described in detail.
[0054] In summary, the process of the box lock unlocking and locking provided by the embodiment is as follows:
[0055] When unlocking: the password lock or the lock core 17 is unlocked, after the restriction on the pressing piece 15 is removed, the user presses the pressing piece 15 in the second direction, so that the connecting rod 14 slides in the first direction, the limiting piece 13 is driven to rotate, the overlapping table 132 on the limiting piece 13 is separated from the limiting table surface 1111 of the limiting table 111 on the lock catch 11, the lock catch 11 is driven out of the lock hook 12 under the action of the first torsional elastic piece, and the unlocking is completed; stop pressing the pressing piece 15, the limiting piece 13 rotates under the action of the second torsional elastic piece, the connecting rod 14 returns to the initial state, and the overlapping table 132 of the limiting piece 13 abuts against the guide table surface 1112 of the limiting table 111;
[0056] When locking: the operator inserts the lock hook 12 into the second opening groove 112 of the lock catch 11, the lock hook 12 drives the lock catch 11 to rotate, the guide table surface 1112 guides the overlapping table 132 to overlap the limiting table surface 1111, so that the lock hook 12 is locked on the lock catch 11, and the locking is completed.
[0057] Obviously, the above embodiment of the utility model is only an example for clearly illustrating the utility model, and is not a limitation on the implementation mode of the utility model. For ordinary skilled persons in the field, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the utility model. Here, it is not necessary and impossible to exhaust all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.
Claims
1. A case lock for application to a luggage case, said luggage case comprising a case lid (21) and a case body (22), characterized in that, The box lock comprises: a lock hook (12) arranged on the box body (22); a lock catch (11) rotatably arranged on the box cover (21), the lock catch (11) being provided with a limiting table (111), and the lock catch (11) having an unlocking state and a locking state, the lock catch (11) being capable of being detached from the lock hook (12) when the lock catch (11) is in the unlocking state, and the lock catch (11) being hooked on the lock hook (12) when the lock catch (11) is in the locking state; a limiting piece (13) rotatably arranged on the box cover (21), the limiting piece (13) being capable of being overlapped with the limiting table (111) to keep the lock catch (11) in the locking state; an unlocking assembly arranged on the box cover (21), the unlocking assembly being capable of driving the limiting piece (13) to rotate, so that the limiting piece (13) is separated from the limiting table (111), and the lock catch (11) is switched from the locking state to the unlocking state.
2. The case lock according to claim 1, wherein The box lock comprises a first torsional elastic piece and a second torsional elastic piece, the first torsional elastic piece being used to provide torsional elastic force for the lock catch (11) to keep the lock catch (11) in the unlocking state, and the second torsional elastic piece being used to provide torsional elastic force for the limiting piece (13) to drive the limiting piece (13) to reset after unlocking.
3. The case lock of claim 1, wherein, The unlocking assembly comprises: a connecting rod (14) slidably arranged on the box cover (21) along a first direction, one end of the connecting rod (14) being movably connected with the limiting piece (13); a pressing piece (15) slidably arranged on the box cover (21) along a second direction, the pressing piece (15) being in transmission connection with the connecting rod (14), the pressing piece (15) being capable of driving the connecting rod (14) to slide along the first direction along with the sliding of the pressing piece (15) along the second direction, so that the limiting piece (13) is rotated, and the first direction being perpendicular to the second direction.
4. The case lock according to claim 3, wherein The pressing piece (15) is provided with a transmission column (151), a long circular hole (141) is formed in the first end of the connecting rod (14), the length direction of the long circular hole (141) is arranged at an angle with the first direction, and the transmission column (151) is arranged in the long circular hole (141) and is capable of sliding along the long circular hole (141).
5. The case lock according to claim 3, wherein A connecting column (133) is arranged on the side wall of the limiting piece (13), a first open slot (142) is arranged on the second end of the connecting rod (14), and the connecting column (133) is capable of sliding along the first open slot (142).
6. The box lock of claim 1, wherein, The limiting piece (13) comprises a rotating part (131) and an overlapping table (132), the rotating part (131) being rotatably connected with the box body (22), and the overlapping table (132) being capable of being overlapped with the limiting table (111) to keep the lock catch (11) in the locking state.
7. The case lock of claim 6, wherein, The limiting table (111) comprises a limiting table surface (1111) and a guide table surface (1112), and the guide table surface (1112) is configured to guide the overlapping table (132) to overlap on the limiting table surface (1111).
8. A box lock according to any one of claims 1-7, characterized in that The lock hook (12) comprises a clasp, and the lock clasp (11) comprises a second open groove (112), at least part of the clasp being capable of being limited in the second open groove (112).
9. The case lock of claim 8, wherein, The lock clasp (11) is provided with a relief (113) near one end of the second open groove (112).
10. A suitcase, characterized in that: The box lock is used for locking a box, and comprises a box cover (21), a box body (22) and the box lock according to any one of claims 1-9, wherein the box cover (21) is rotatably connected with the box body (22), and the box cover (21) is locked with the box body (22) through the box lock.