A lock structure and a travel suitcase

Abstract

This utility model discloses a lock structure and a suitcase, belonging to the field of lock technology. The lock structure includes a lock head assembly and a latch assembly. The lock head assembly includes a housing, a lock head, and two pressure heads. One side of the housing is rotatably mounted on the lower compartment, and the lock head is slidably mounted on the other side of the housing along a first direction. The latch assembly includes a lock seat and a latch. The lock seat is mounted on the upper compartment, and the latch is slidably mounted on the lock seat. The sliding trajectory of the latch is arc-shaped and perpendicular to the first direction. The latch has a pressing surface and a strip-shaped groove extending along a second direction. Both pressure heads are used to press and contact the pressing surface, and the inner wall of the strip-shaped groove away from the lock seat is a limiting surface, which limits the lock head after contact with it. This utility model provides a lock structure that ensures the lock head is accurately inserted into the latch even when the suitcase deforms, while simultaneously locking the upper and lower compartments.

Description

Technical Field

[0001] This utility model belongs to the field of lock technology, specifically relating to a lock structure and a suitcase. Background Technology

[0002] Suitcases are used for carrying luggage when traveling, business trips, or other long-distance journeys. Suitcases have a large capacity, making it convenient to carry personal items, and they can be moved, effectively reducing the burden of carrying personal belongings. Currently, suitcases mainly consist of a body and a locking mechanism. The body includes an upper and lower compartment, which are hinged on one side and locked on the other side by a locking mechanism, thus allowing the upper and lower compartments to be opened and closed.

[0003] However, when existing suitcases are overloaded with items, the suitcase body is compressed, causing it to bulge outwards to some extent. This alters the position of the lock head and latch in the lock mechanism. As a result, the lock head and latch are not aligned, making it difficult for the lock head to engage with the latch, thus preventing the suitcase from locking. Utility Model Content

[0004] In view of the above-mentioned defects or improvement needs of the existing technology, this utility model provides a lock structure and a suitcase, the purpose of which is to ensure that the lock head can be accurately inserted into the latch when the suitcase body is deformed, and at the same time achieve locking between the upper and lower suitcase bodies.

[0005] To achieve the above objectives, in a first aspect, the present invention provides a lock structure, the lock structure comprising a lock head assembly and a latch assembly;

[0006] The lock assembly includes a housing, a lock head, and two pressure heads. One side of the housing is rotatably arranged on the lower housing, and the rotation axis of the housing extends along a first direction. The two pressure heads are spaced apart on the housing along a second direction, which is perpendicular to the first direction. The lock head is slidably arranged on the other side of the housing along the first direction.

[0007] The locking assembly includes a lock seat and a lock buckle. The lock seat is used to install on the upper housing. The lock buckle is slidably arranged on the lock seat. The sliding trajectory of the lock buckle is arc-shaped and perpendicular to the first direction. The lock buckle has a pressing surface and a strip groove. Both pressing heads are used to press and contact the pressing surface. The strip groove is used to accommodate the lock head. The inner wall of the strip groove away from the lock seat is a limiting surface. The limiting surface is parallel and spaced apart from the pressing surface. The limiting surface is used to limit the lock head after contacting it.

[0008] Optionally, the lock assembly further includes a pusher and an elastic element. The pusher is slidably arranged on the housing along a second direction. The pusher has a protrusion, and the side of the protrusion facing the lock has a first inclined surface for pressing the lock to slide. An elastic element is sandwiched between the lock and the housing.

[0009] Optionally, one side of the push knob has multiple parallel spaced sliding plates, and the housing has multiple parallel spaced sliding grooves, with each sliding plate slidably inserted into the corresponding sliding groove.

[0010] Optionally, the lock head has a second inclined surface for pressing the latch, causing the lock head to compress the elastic element.

[0011] Optionally, the housing includes a mounting base and a body. The mounting base is used to be mounted on the lower housing. Rubber sleeves are inserted into both sides of the mounting base. Mounting shafts are fixedly inserted into both sides of the body. One end of the mounting shaft is rotatably inserted into the corresponding rubber sleeve.

[0012] Optionally, the body includes an upper shell and a lower shell, with the mounting shaft fixedly inserted on both sides of the upper shell, the lock head slidably arranged on the lower shell, and the lower shell detachably mounted on the upper shell to form a receiving cavity, wherein the lock head can extend out of the receiving cavity or retract into the receiving cavity.

[0013] Optionally, the lock head has a matching plane for engaging with the limiting plane.

[0014] Optionally, the lock seat has a T-shaped groove, and the latch has a T-shaped block, the T-shaped block being slidably inserted into the T-shaped groove.

[0015] Optionally, the lock seat has a protrusion for insertion into a zipper hole for connecting the upper and lower housings, and the protrusion is located between the housing and the lock seat.

[0016] Secondly, this utility model provides a suitcase, which includes a locking structure as described in the first aspect.

[0017] The aforementioned improved technical features can be combined with each other as long as they do not conflict with each other.

[0018] In summary, the beneficial effects of the above-described technical solutions conceived by this utility model compared with the prior art include:

[0019] In the lock structure provided by this embodiment of the utility model, before locking the housing, the shell is first installed on the lower housing and the lock seat is installed on the upper housing. When the housing is not deformed, to close the upper and lower housings: rotate the shell so that the other side of the shell rotates onto the lock seat. When rotated to the correct position, the two pressure heads press precisely onto the pressing surface and limit the locking mechanism. The sliding lock head can then be inserted into the slot and contact the limiting surface. At this point, due to the contact and limitation between the lock head and the limiting surface, the upper and lower housings cannot be rotated open, ultimately achieving locking between the upper and lower housings.

[0020] When the housing bulges outward, as the housing rotates to the lock seat, the pressure heads simultaneously press down on the latch, causing the latch to move along an arc-shaped trajectory on the lock seat. Ultimately, both pressure heads contact the pressing surface simultaneously, achieving leveling of the latch relative to the two pressure heads. This enables adaptive adjustment of the latch and ensures that the bottom surfaces of the two pressure heads are parallel to the limiting plane, guaranteeing that the corresponding lock head on the housing can be precisely inserted into the slot. Finally, after movement, the lock head extends and contacts the limiting plane, preventing the upper and lower housings from rotating open. Furthermore, in other bulging deformation scenarios (e.g., simultaneous bulging of the upper and lower housings increasing the distance between the rotating end of the housing and the lock seat), even if the positions of the two pressure heads on the pressing plane change, and correspondingly, the positions of the lock heads in the slots in the second direction differ, the lock head can still be smoothly inserted into the slot and contact the limiting plane due to the parallel spacing between the limiting plane and the pressing plane.

[0021] In other words, the lock structure provided by this utility model can still ensure that the lock head is accurately inserted into the latch when the box body is deformed, and at the same time achieve locking between the upper box body and the lower box body. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of a lock structure provided in an embodiment of the present utility model;

[0023] Figure 2 This is an exploded view of a lock structure provided in an embodiment of this utility model;

[0024] Figure 3 This is a schematic diagram of the lock structure without a top shell provided in this embodiment of the utility model;

[0025] Figure 4 This is a structural schematic diagram of the locking assembly provided in an embodiment of the present utility model;

[0026] Figure 5 This is a first view of the push knob provided in an embodiment of the present utility model;

[0027] Figure 6This is a second view of the push knob provided in an embodiment of the present utility model;

[0028] Figure 7 This is a schematic diagram of the lock head provided in an embodiment of the present utility model;

[0029] Figure 8 This is a structural schematic diagram of the suitcase provided in an embodiment of the present utility model.

[0030] In all the accompanying drawings, the same reference numerals denote the same technical features, specifically:

[0031] 1. Lock cylinder assembly; 11. Housing; 111. Mounting base; 1111. Rubber sleeve; 1112. Mounting shaft; 112. Body; 1121. Upper shell; 1122. Lower shell; 12. Lock cylinder; 121. Second inclined surface; 122. Matching plane; 13. Press head; 14. Push knob; 141. Protrusion; 1411. First inclined surface; 142. Slide plate; 15. Elastic element; 2. Locking assembly; 21. Lock seat; 211. T-slot; 212. Protrusion; 213. Lock seat bottom shell; 22. Locking latch; 221. Pressing plane; 222. Strip groove; 2221. Limiting plane; 223. T-block; 3. Combination lock; 100. Lower box; 200. Upper box. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the present utility model and are not intended to limit the present utility model. Furthermore, the technical features involved in the various embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0033] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0034] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0035] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0036] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature. Example:

[0037] Figure 1 This is a schematic diagram of a lock structure provided in an embodiment of the present invention. Figure 2 This is an exploded view of a lock structure provided in an embodiment of this utility model. Figure 3 This is a structural diagram of the lock structure without a top shell provided in this embodiment of the utility model, combined with... Figures 1-3 As shown, the lock structure includes a lock head assembly 1 and a latch assembly 2.

[0038] The lock assembly 1 includes a housing 11, a lock head 12, and two pressure heads 13. One side of the housing 11 is rotatably arranged on the lower housing 100, and the rotation axis of the housing 11 extends along a first direction (e.g., the X-axis direction). The two pressure heads 13 are spaced apart on the housing 11 along a second direction (e.g., the Y-axis direction), which is perpendicular to the first direction. The lock head 12 is slidably arranged on the other side of the housing 11 along the first direction. An elastic element 15 is sandwiched between the lock head 12 and the housing 11.

[0039] Figure 4 This is a structural schematic diagram of the locking assembly provided in an embodiment of the present invention, as shown below. Figure 4 As shown, the latch assembly 2 includes a lock seat 21 and a latch 22. The lock seat 21 is used to be installed on the upper housing 200. The latch 22 is slidably arranged on the lock seat 21. The sliding trajectory of the latch 22 is an arc shape and perpendicular to the first direction. The latch 22 has a pressing surface 221 and a strip groove 222. Both pressing heads 13 are used to press (that is, during the pressing process, the pressing heads 13 can make the latch 22 swing along the arc shape for adaptive calibration) and then contact the pressing surface 221. The strip groove 222 is used to accommodate the lock head 12, and the inner wall of the side of the strip groove 222 away from the lock seat 21 is a limiting surface 2221. The limiting surface 2221 is parallel and spaced apart from the pressing surface 221. The limiting surface 2221 is used to limit the lock head 12 after contacting it.

[0040] For the lock structure provided in this embodiment of the utility model, before locking the box, the housing 11 is first installed on the lower box 100 and the lock seat 21 is installed on the upper box 200. When the box is not deformed, to close the upper box 200 and the lower box 100: rotate the housing 11 so that the other side of the housing 11 rotates onto the lock seat 21. When rotated to the correct position, the two pressure heads 13 are pressed onto the pressing plane 221 and limit the locking buckle 22. The sliding lock head 12 can then be inserted into the slot 222 and contact the limiting plane 2221. At this time, due to the contact limitation between the lock head 12 and the limiting plane 2221 (the lock head needs to make a circular motion relative to the hinge axis of the box during the opening process), the upper box 200 and the lower box 100 cannot be rotated open, thus achieving the locking between the upper box 200 and the lower box 100.

[0041] When the housing 11 bulges outwards, as it rotates to the lock seat 21, the pressure head 13 simultaneously presses down on the latch 22. This causes the latch 22 to move along an arc-shaped trajectory on the lock seat 21, ultimately resulting in both pressure heads 13 contacting the pressing surface 221 simultaneously. This achieves leveling of the latch 22 relative to the two pressure heads 13, enabling adaptive adjustment of the latch 22. Furthermore, it ensures that the bottom surfaces of the two pressure heads 13 are parallel to the limiting surface 2221, guaranteeing that the corresponding lock head 12 on the housing 11 can be precisely inserted into the slot 222. Finally, after moving, the lock head 12 extends outwards and contacts the limiting surface 2221, preventing the upper housing 200 and lower housing 100 from rotating open. Furthermore, in other cases of outward deformation (e.g., the upper and lower housings are deformed outwards synchronously, increasing the distance between the rotating end of the housing 11 and the lock seat 21), even if the positions of the two pressure heads 13 on the pressing plane 221 change, and the corresponding positions of the lock head 12 in the second direction corresponding to the strip groove 222 differ, the lock head 12 can still be smoothly inserted into the strip groove 222 and contact the limiting plane 2221 for limiting due to the parallel spacing between the limiting plane 2221 and the pressing plane 221.

[0042] In other words, the lock structure provided by this utility model can still ensure that the lock head 12 is accurately inserted into the latch 22 when the box body is deformed, and at the same time realize the locking between the upper box body 200 and the lower box body 100.

[0043] In addition, when it is necessary to unlock the box, the lock head 12 is driven to move backward, thereby disengaging the lock head 12 from the slot 222, and the housing 11 can be rotated freely, ultimately realizing the opening between the upper box 200 and the lower box 100.

[0044] For example, the lock head 12 can be locked by the combination lock 3, meaning the combination lock 3 can lock and unlock the lock head 12 by sliding it. Therefore, when the correct password is entered into the combination lock 3, the combination lock 3 releases the lock head 12, at which point the lock head 12 can be slid by external force; while when the incorrect password is entered into the combination lock 3, the combination lock 3 remains locked to the lock head 12, at which point the lock head 12 cannot move, thus preventing the lock head 12 from disengaging from the slot 222.

[0045] Figure 5 This is a first view of the push knob provided in an embodiment of the present invention. Figure 6 This is a second view of the push knob provided in an embodiment of the present utility model, combined with... Figure 5 and Figure 6As shown, the lock head assembly 1 also includes a pusher 14 and an elastic member 15. The pusher 14 is slidably arranged on the housing 11 along the second direction. The pusher 14 has a protrusion 141. The side of the protrusion 141 facing the lock head 12 has a first inclined surface 1411. The first inclined surface 1411 is used to press the lock head 12 to slide. The elastic member 15 is sandwiched between the lock head 12 and the housing 11.

[0046] Specifically, when the push knob 14 is pushed, the push knob 14 will drive the protrusion 141 to move, and the first inclined surface 1411 of the protrusion 141 will squeeze the lock head 12, causing the lock head 12 to overcome the elastic force of the elastic member 15 and move backward. This allows the backward movement of the lock head 12 to be conveniently controlled before the lock head 12 is inserted into the slot 222, and it also allows for convenient unlocking after the lock head 12 is inserted into the slot 222.

[0047] For example, the elastic element 15 can be a spring.

[0048] For example, when the housing 11 rotates onto the lock seat 21, the force on the push knob 14 is released. Under the action of the elastic member 15, the lock head 12 can automatically insert into the slot 222, and the push knob 14 can return to its initial position.

[0049] In addition, the number of protrusions 141, lock heads 12, and latches 22 can all be two, which corresponds to four pressure heads 13, divided into two groups, thereby achieving multi-point locking and ensuring stability after locking. Among them, the two latches 22 are arranged in parallel and spaced apart, and the two latches 22 are located between the two protrusions 141, while the multiple pressure heads 13 can be located on the push knob 14.

[0050] Furthermore, one side of the push knob 14 has multiple parallel spaced sliding plates 142, and the housing 11 has multiple parallel spaced sliding grooves. Each sliding plate 142 is slidably inserted into the corresponding sliding groove, so that the push knob 14 can be precisely guided to slide through the insertion and cooperation of the sliding plate 142 and the sliding groove.

[0051] In one implementation of this utility model, Figure 7 This is a schematic diagram of the lock head provided in an embodiment of the present invention, as shown below. Figure 7 As shown, the lock head 12 has a second inclined surface 121, which is used to press the latch 22, so that the lock head 12 compresses the elastic element 15.

[0052] In the above embodiment, during the rotation of the housing 11, the locking head 12 will automatically retract due to the pressing contact between the second inclined surface 121 and the latch 22, ensuring that the locking head 12 can automatically retract during the rotation of the housing 11, and automatically insert into the strip groove 222 under the action of the elastic member 15 after the housing 11 is rotated into place.

[0053] In addition, the lock head 12 has a mating plane 122, which is used to fit against the limiting plane 2221.

[0054] It is easy to understand that when the lock head 12 is inserted into the strip groove 222, the matching plane 122 is exactly in contact with the limiting plane 2221, making the locking of the lock head 12 and the latch 22 more reliable, thereby making the locking of the upper box 200 and the lower box 100 more reliable.

[0055] In this embodiment, the housing 11 includes a mounting base 111 and a body 112. The mounting base 111 is used to be mounted on the lower housing 100. Rubber sleeves 1111 are inserted into both sides of the mounting base 111. Mounting shafts 1112 (i.e., the rotation shafts of the housing 11) are fixedly inserted into both sides of the body 112. One end of the mounting shaft 1112 is rotatably inserted into the corresponding rubber sleeve 1111.

[0056] In the above embodiment, the mounting base 111 serves to connect the lower housing 100, facilitating the rotational installation of the main body 112. The rubber sleeve 1111 increases the resistance encountered by the main body 112 during rotation, achieving a hovering effect or slow descent, thus preventing the housing 11 from swinging freely and causing impact damage when it is not locked onto the latch 22.

[0057] It should be noted that in other embodiments of this utility model, the mounting shaft 1112 can also be directly and rotatably inserted into the mounting base 111 (i.e., without setting the rubber sleeve 1111).

[0058] Furthermore, the main body 112 includes an upper shell 1121 and a lower shell 1122. Mounting shafts 1112 are fixedly inserted into both sides of the upper shell 1121. The lock head 12 is slidably arranged on the lower shell 1122, and the lower shell 1122 is detachably mounted on the upper shell 1121 to form a receiving cavity. The lock head 12 can extend out of the receiving cavity or retract into it. When the lock head 12 retracts into the receiving cavity, it can be protected.

[0059] For example, the elastic element 15 is located in the receiving groove, and the pusher 14 is located on the upper shell 1121.

[0060] See also Figure 3 The lock base 21 has a T-shaped groove 211, and the latch 22 has a T-shaped block 223. The T-shaped block 223 is slidably inserted into the T-shaped groove 211. The cooperation between the T-shaped block 223 and the T-shaped groove 211 can prevent the latch 22 from disengaging upward from the lock base 21 during sliding. The T-shaped groove 211 extends along an arc shape.

[0061] For example, the lock seat 21 is U-shaped in general, and a lock seat bottom shell 213 is also provided on the lock seat 21. The lock seat bottom shell 213 has a blocking block, which can be inserted into the opening of the lock seat 21 to prevent the latch 22 from disengaging from the left and right ends of the T-shaped groove 211.

[0062] In this embodiment, the lock base 21 has a protrusion 212, which is used to be inserted into the zipper hole of the zipper used to connect the upper box 200 and the lower box 100, and the protrusion 212 is located between the housing 11 and the lock base 21.

[0063] It is easy to understand that this lock structure can be used in suitcases with zippers. When the upper and lower compartments 200 are locked together by the zipper, to prevent accidental slippage of the zipper and subsequent unlocking, the zipper is fitted onto the protrusion 212, thus preventing accidental slippage. Furthermore, the zipper is positioned between the housing 11 and the lock base 21, effectively shielding the zipper (i.e., the zipper can only be removed from the protrusion 212 when the housing 11 is opened), preventing unauthorized unlocking of the zipper while the suitcase is locked.

[0064] For example, the protrusion 212 is located between the two latches 22.

[0065] Figure 8 This is a structural schematic diagram of the suitcase provided in an embodiment of the present utility model, as shown below. Figure 8 As shown, the suitcase includes a locking structure as described above.

[0066] Those skilled in the art will readily understand that the above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A lock structure, characterized by comprising: The lock structure includes a lock head assembly and a latch assembly; The lock assembly includes a housing, a lock head, and two pressure heads. One side of the housing is rotatably arranged on the lower housing, and the rotation axis of the housing extends along a first direction. The two pressure heads are spaced apart on the housing along a second direction, which is perpendicular to the first direction. The lock head is slidably arranged on the other side of the housing along the first direction. The locking assembly includes a lock seat and a lock buckle. The lock seat is used to install on the upper housing. The lock buckle is slidably arranged on the lock seat. The sliding trajectory of the lock buckle is arc-shaped and perpendicular to the first direction. The lock buckle has a pressing surface and a strip groove. Both pressing heads are used to press and contact the pressing surface. The strip groove is used to accommodate the lock head. The inner wall of the strip groove away from the lock seat is a limiting surface. The limiting surface is parallel and spaced apart from the pressing surface. The limiting surface is used to limit the lock head after contacting it.

2. The lock structure according to claim 1, wherein The lock assembly further includes a pusher and an elastic element. The pusher is slidably arranged on the housing along a second direction. The pusher has a protrusion, and the side of the protrusion facing the lock has a first inclined surface. The first inclined surface is used to press the lock to slide. An elastic element is sandwiched between the lock and the housing.

3. The lock structure according to claim 2, wherein The push knob has multiple parallel spaced sliding plates on one side, and the housing has multiple parallel spaced sliding grooves, with each sliding plate slidably inserted into the corresponding sliding groove.

4. The lock structure according to claim 2, wherein The lock head has a second inclined surface, which is used to press the latch, causing the lock head to compress the elastic element.

5. The lock structure according to claim 1, wherein The housing includes a mounting base and a body. The mounting base is used to be mounted on the lower housing. Rubber sleeves are inserted into both sides of the mounting base. Mounting shafts are fixedly inserted into both sides of the body. One end of the mounting shaft is rotatably inserted into the corresponding rubber sleeve.

6. A lock structure according to claim 5, characterized in that, The main body includes an upper shell and a lower shell. The mounting shaft is fixedly inserted into both sides of the upper shell. The lock head is slidably arranged on the lower shell. The lower shell is detachably installed on the upper shell to form a receiving cavity. The lock head can extend out of the receiving cavity or retract into the receiving cavity.

7. A lock structure according to claim 1, characterized in that, The lock head has a matching plane, which is used to fit against the limiting plane.

8. A lock structure according to claim 1, characterized in that, The lock base has a T-shaped groove, and the latch has a T-shaped block, which is slidably inserted into the T-shaped groove.

9. A lock structure according to any one of claims 1-8, characterized in that, The lock base has a protrusion for insertion into a zipper hole for connecting the upper and lower housings, and the protrusion is located between the housing and the lock base.

10. A suitcase, characterized in that, The suitcase includes a locking structure as described in any one of claims 1-9.

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