Lock catch for trunk and vehicle
By designing a latch with a stepped structure and inclined surface, the problems of collision noise and stability when locking the tailgate latch are solved, the mechanical strength and resistance to lateral loads of the latch are improved, and the stability and durability of the latch are ensured.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-03-27
AI Technical Summary
Existing car tailgate latches are prone to collisions and noise when locking, have poor operational stability, and lack mechanical strength and structural rigidity, making them susceptible to deformation and damage.
A trunk latch is designed, including a base and a latch body. The latch body is slidably disposed on the base along a first direction. The latch body is provided with a locking slot, and the combination of a stepped structure and an inclined surface is used to buffer the contact, and the wall portion is used to improve the resistance to lateral loads.
It reduces collision noise when locking, ensures stable operation of the latch, improves structural stability and resistance to lateral loads, and reduces the risk of damage.
Smart Images
Figure CN224048909U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vehicle accessory technical field especially relates to a lock catch for trunk and vehicle. BACKGROUND
[0002] With the further development of automobile technology, people's comprehensive requirements for automobile accessories are higher and higher, and the common opening and closing of tailgate lock through key have been difficult to meet the needs of users. The existing cars more realize the corresponding function through electric tailgate lock, and the electric tailgate lock generally includes a lock hook and a lock catch. When closing the tailgate, the hook part of the lock hook can be moved to be located in the lock catch, and then the driving mechanism pulls the pull wire to move the lock catch, so that the lock hook and the lock catch are hooked together to form locking.
[0003] However, the lock catch in the prior art is easy to collide with the lock hook when falling lock, which produces a large noise, and its working stability is poor. In addition, the existing lock catch has certain deficiencies in mechanical strength and structural rigidity, especially when subjected to loads in different directions, which is easy to deform and damage, which also leads to the increase of the risk of body damage. SUMMARY
[0004] Therefore, in order to solve the above problems, the purpose of the utility model is to provide a lock catch for trunk, which comprises a base, a catch body and a driving device. The catch body is slidably arranged on the base along a first direction. The driving device is used to drive the catch body to move along the first direction. The catch body is provided with a lock opening along a second direction. The second direction is perpendicular to the first direction.
[0005] The catch body comprises a base and a ring-shaped part. The base is slidably connected with the base. The ring-shaped part is arranged at the upper end of the base. The lock opening is formed in the ring-shaped part. The ring-shaped part has a vertical extension. The middle part of the vertical extension is outwardly protruding to form a step structure.
[0006] In another preferred embodiment, the lower part of the vertical extension forms an inclined surface. The upper end of the inclined surface is arranged away from the lock opening relative to the lower end of the inclined surface.
[0007] In another preferred embodiment, the base comprises a seat body and a bottom plate. The bottom plate is arranged at the bottom of the seat body. A sliding channel is formed between the seat body and the bottom plate. The lower end of the catch body is slidably installed in the sliding channel. The upper end of the sliding channel penetrates the top of the seat body. The sliding channel is arranged to extend along the first direction.
[0008] In another preferred embodiment, two installation holes are respectively formed on two sides of the seat body, and the two installation holes are respectively arranged on two sides of the sliding channel.
[0009] In another preferred embodiment, two recesses are respectively formed on two sides of the upper surface of the seat body by being inwardly recessed downward, and the installation holes are formed on the bottom of the recesses.
[0010] In another preferred embodiment, two wall portions are respectively formed on two sides of the lower portion of the buckle body by being upwardly protruded on the upper portion of the seat body.
[0011] In another preferred embodiment, the wall portions are gradually increased in size from top to bottom along the second direction.
[0012] In another preferred embodiment, the sliding channel comprises a first portion, a second portion and a third portion, the first portion, the second portion and the third portion are sequentially connected from top to bottom, the inner contour of the first portion, the inner contour of the second portion and the inner contour of the third portion are gradually increased in size, the first portion is matched with the annular portion, the second portion is matched with the base portion, and the third portion is matched with the bottom plate.
[0013] In another preferred embodiment, a step surface is formed at the connection between the first portion and the second portion, two wing portions are respectively formed on two sides of the lower portion of the base portion by being outwardly extended along the second direction, and the wing portions are slidably arranged between the step surface and the upper surface of the bottom plate.
[0014] The utility model discloses a kind of lock catch for trunk, which comprises a seat body, a buckle body and a sliding channel, wherein the seat body is connected with the buckle body through the sliding channel.
[0015] The utility model discloses a kind of lock catch for trunk, which comprises a seat body, a buckle body and a sliding channel, wherein the seat body is connected with the buckle body through the sliding channel.
[0016] Through the application of the utility model, a lock catch structure suitable for the trunk tail door of vehicle is provided, which is beneficial to the buffer contact with the lock head through the cooperation of step structure and inclined surface, reduces the collision when falling lock, ensures the stable operation of falling lock work, and improves the ability of lock catch to resist lateral load through the setting of wall portion, guarantees the structural stability, and reduces the possibility of damage. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a first schematic view of the lock catch for trunk of the utility model.
[0018] Figure 2 It is a second schematic view of the lock catch for trunk of the utility model;
[0019] Figure 3 It is an explosion schematic view of the lock catch for trunk of the utility model;
[0020] Figure 4 It is a cross section schematic view of the lock catch for trunk of the utility model;
[0021] Figure 5 It is a partial schematic view of the vehicle of the utility model.
[0022] In the drawings:
[0023] 1, lock catch for trunk; 2, base; 3, catch body; 4, lock opening; 5, base part; 6, annular part; 7, vertically extending part; 8, step structure; 9, inclined surface; 10, seat body; 11, bottom plate; 12, mounting hole; 13, recess; 14, wall part; 15, first part; 16, second part; 17, third part; 18, step surface; 19, wing part; 20, lock head; 21, socket; 22, lock hook; 23, tail door; 24, weight-reducing groove; 25, buffer; 26, sliding channel. DETAILED DESCRIPTION
[0024] The technical scheme of the utility model will be described clearly and completely below in combination with the drawings, obviously, the described embodiments are a part of embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.
[0025] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms such as “up”, “down”, “left”, “right”, “inner”, “outer”, “front”, “back”, “horizontal”, “vertical” is the orientation or position relationship shown based on the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, therefore it cannot be understood as a limitation to the utility model.
[0026] It needs to be specially stated that “horizontal”, “vertical” in the utility model are all used for explaining approximate position relationship, and are not strict “horizontal plane” or “vertical plane”.
[0027] As Figures 1 to 4As shown, the lock 1 for trunk of a preferred embodiment comprises: a base 2, a buckle body 3 and a driving device, the buckle body 3 is slidably arranged on the base 2 along a first direction, the driving device is used to drive the buckle body 3 to move along the first direction, the buckle body 3 is provided with a lock opening 4 along a second direction, the second direction is perpendicular to the first direction. Further, the buckle body 3 can be driven by the driving device to move towards the lock head 20 of the vehicle away from or close to the vehicle, so as to carry out the corresponding locking and unlocking actions of the tail door 23 of the vehicle.
[0028] Further, as a preferred embodiment, the base 2 and the buckle body 3 are preferably made of stainless steel material to ensure its strength and weather resistance.
[0029] Further, as a preferred embodiment, the thickness of the base 2 along the vertical direction is thick in the middle and thin on both sides, and the horizontal height of the middle part of the upper surface of the base 2 is greater than that of the both sides of the upper surface of the base 2.
[0030] Further, as a preferred embodiment, the buckle body 3 comprises: a base 5 and a ring-shaped part 6, the base 5 is slidably connected with the base 2, the ring-shaped part 6 is arranged at the upper end of the base 5, the lock opening 4 is formed in the ring-shaped part 6, the ring-shaped part 6 has a vertical extension part 7, and the middle part of the vertical extension part 7 protrudes outward to form a step structure 8. Further, the step structure 8 can be matched with the buffer 25 of the inner edge of the lock head 20 at the tail door 23 to form limiting and buffering, and the upper surface of the step structure 8 can abut against the lower surface of the buffer 25, and the lock opening 4 is used for the entry of the lock hook 22 of the lock head 20; and even if the corresponding buffer 25 is not arranged at the lock head 20, the movement of the lock head 20 along the vertical direction can be limited, and excessive impact between the tail door 23 and the vehicle body frame when closing can be avoided.
[0031] Further, as a preferred embodiment, the upper surface of the ring-shaped part 6 and the side away from the vertical extension part 7 have a reinforcing rib structure.
[0032] Further, as a preferred embodiment, the ring-shaped part 6 preferably has a first segment, a second segment, a third segment and a fourth segment connected in sequence, wherein the first segment and the third segment are arranged along the horizontal direction, the second segment and the fourth segment are arranged along the vertical direction, the vertical extension part 7 is formed on the second segment, the second segment is arranged close to the lock head 20 of the tail door 23 relative to the fourth segment, and the third segment is integrally connected with the base 5.
[0033] Further, as a preferred embodiment, the lower part of the vertical extension part 7 forms an inclined surface 9, and the upper end of the inclined surface 9 is arranged away from the lock opening 4 relative to the lower end of the inclined surface 9. Further, the outer space at this place of the ring-shaped part 6 is avoided through the arrangement of the inclined surface 9, so as to avoid interference and collision with the interior decoration of the tail door 23.
[0034] Further, as a preferred embodiment, the base 2 comprises a base body 10 and a bottom plate 11, the bottom plate 11 is arranged at the bottom of the base body 10, a sliding channel 26 is formed between the base body 10 and the bottom plate 11, the lower end of the buckle body 3 is slidably arranged in the sliding channel 26, the upper end of the sliding channel 26 penetrates the top of the base body 10, and the sliding channel 26 is arranged along the first direction.
[0035] Further, as a preferred embodiment, one end of the sliding channel 26 along the first direction penetrates the end surface of the base body 10, so that the driving device passes through the place and is connected to the bottom of the buckle body 3.
[0036] Further, as a preferred embodiment, the bottom plate 11 is arranged in an H-shaped structure, and the bottom plate 11 is fixedly arranged at the bottom of the base body 10 by bolts.
[0037] Further, as a preferred embodiment, two mounting holes 12 are respectively arranged at the two sides of the base body 10, and the two mounting holes 12 are respectively arranged at the two sides of the sliding channel 26. Further, the mounting hole 12 is matched with the corresponding fastener, so that the trunk lock 1 is arranged at the frame of the vehicle.
[0038] Further, as a preferred embodiment, the upper surface of the base body 10 is recessed downward to form a recess 13 at the two sides, and the mounting hole 12 is arranged at the bottom of the recess 13. Further, the depth of the recess 13 along the vertical direction is matched with the size of the head of the fastener.
[0039] Further, as a preferred embodiment, the upper part of the base body 10 is protruded upward to form two wall parts 14, and the two wall parts 14 are respectively arranged at the two sides of the lower part of the buckle body 3. Further, the wall part 14 is arranged to limit the buckle body 3 at least, and can better resist and transmit the load along the second direction.
[0040] Further, as a preferred embodiment, the size of the wall part 14 along the second direction gradually increases from top to bottom.
[0041] Further, as a preferred embodiment, the upper surface and the lower surface of the base body 10 are arranged with weight-reducing grooves 24. Further, the weight-reducing groove 24 is arranged to make the trunk lock 1 better meet the lightweight design requirement.
[0042] Further, as a preferred embodiment, the weight-reducing groove 24 is arranged around the outer edge of the mounting hole 12.
[0043] Furthermore, in a preferred embodiment, the sliding channel 26 includes a first part 15, a second part 16, and a third part 17, which are connected sequentially from top to bottom. The inner contours of the first part 15, the second part 16, and the third part 17 are gradually increased in size. The first part 15 matches the annular part 6, the second part 16 matches the base 5, and the third part 17 matches the base plate 11.
[0044] Furthermore, as a preferred embodiment, a stepped surface 18 is formed at the connection between the first part 15 and the second part 16, and two wings 19 are formed on both sides of the lower part of the base 5 extending outward along the second direction. The wings 19 are slidably disposed between the stepped surface 18 and the upper surface of the base plate 11.
[0045] Furthermore, as a preferred embodiment, the stepped surface 18 is provided with a groove extending in the first direction to reduce friction with the wing 19.
[0046] Furthermore, as a preferred embodiment, a ball bearing structure may be provided in the groove to facilitate the sliding of the wing 19.
[0047] The above description is only a preferred embodiment of the present utility model and does not limit the implementation method and protection scope of the present utility model.
[0048] Based on the above, this utility model also has the following embodiments:
[0049] like Figure 5 As shown, a vehicle of a preferred embodiment is provided, including a trunk latch 1 of any of the above, and further including: a lock head 20, the lock head 20 having a socket 21, a lock hook 22 provided on the inner side of the socket 21, the lock hook 22 being movably inserted into the lock opening 4, and a buffer member 25 provided on the inner side of the socket 21, the buffer member 25 being matched with the step structure 8.
[0050] In a further embodiment of this utility model, the buffer 25 is preferably made of a flexible material.
[0051] In a further embodiment of the present invention, the vehicle further includes a frame and a tailgate 23. The tailgate 23 is rotatably opened and mounted on the frame. The trunk is fixedly mounted on the frame with a latch 1, and the lock head 20 is fixedly mounted on the tailgate 23.
[0052] In a further embodiment of the present invention, the socket 21 is preferably U-shaped, the buckle 3 preferably enters from the outer end of the socket 21 and triggers the action of the locking hook 22, and the buffer 25 is preferably disposed at the inner end of the plug.
[0053] The above merely describes preferred embodiments of the present application, and is not intended to limit the implementation and protection scope of the present application. For those skilled in the art, it should be understood that any equivalent substitutions and obvious changes made according to the content of the present application description and drawings should be included in the protection scope of the present application.
Claims
1. A trunk lock, characterized by, The utility model relates to a lock device, including: Base, buckle body and driving device, buckle body is slidably arranged on base along first direction, driving device is used to drive buckle body moves along first direction, buckle body is opened with a lock mouth along second direction, second direction is perpendicular with first direction arrangement; Wherein, the buckle body includes: base and annular part, the base is slidably connected with the base, the annular part is arranged on the upper end of the base, the annnal part is formed with the lock mouth, the annnal part has a vertical extension, the middle part of the vertical extension is outwardly convex and forms a step structure.
2. The trunk lock of claim 1, wherein The lower part of the vertical extension forms an inclined surface, the upper end of the inclined surface is away from the lock mouth relative to the lower end of the inclined surface.
3. The trunk lock of claim 1 wherein, The base includes: seat body and bottom plate, the bottom plate is arranged at the bottom of the seat body, a sliding channel is formed between the seat body and the bottom plate, the lower end of the buckle body is slidably installed in the sliding channel, the upper end of the sliding channel penetrates the top of the seat body, and the sliding channel extends along the first direction.
4. The trunk lock of claim 3, wherein, Two installation holes are respectively arranged on the two sides of the seat body.
5. The trunk lock of claim 4, wherein, The upper surface of the seat body is concave downward to form a recess on both sides, and the installation hole is arranged at the bottom of the recess.
6. The trunk lock of claim 3 wherein, The upper part of the seat body is convex upward to form two wall parts, and the two wall parts are respectively in contact with the two sides of the lower part of the buckle body.
7. The trunk lock of claim 6 wherein, The size of the wall part along the second direction gradually increases from top to bottom.
8. The trunk lock of claim 3, wherein, The sliding channel includes: first part, second part and third part, the first part, the second part and the third part are sequentially connected from top to bottom, the inner contour of the first part, the inner contour of the second part and the inner contour of the third part gradually increase, the first part is matched with the annular part, the second part is matched with the base, and the third part is matched with the bottom plate.
9. The trunk lock of claim 8, wherein, The connecting part of the first part and the second part forms a step surface, and the two wings are respectively formed on the two sides of the lower part of the base along the second direction, and the wings are slidably arranged between the step surface and the upper surface of the bottom plate.
10. A vehicle comprising the trunk lock of any one of claims 1 to 9, wherein Also includes: The lock head has a socket on the lock head, the inner side of the socket is provided with a lock hook, the lock hook is movably inserted into the lock mouth, the inner side of the socket is provided with a buffer, and the buffer is matched with the step structure.