Locking structure of vehicle cover device

Abstract

The utility model relates to a locking structure of a vehicle cover device. The locking mechanism mainly solves the technical problems that a locking mechanism of an existing vehicle cover device is inconvenient to disassemble and assemble, poor in locking effect, poor in performance and low in stability. Comprising a cover body, a sidebar and a lock catch mechanism, the lock catch mechanism comprises a lock catch, a spring bolt, a fixing block and a pushing reset assembly, the sidebar is installed on a carriage, the lock catch is fixed to the sidebar, the fixing block is connected to the cover body, the spring bolt is connected to the fixing block through the pushing reset assembly, and the cover body is installed on the sidebar. The lock catch is provided with an arc-shaped sliding part, a clamping groove is formed in the lower end of the arc-shaped sliding part, the lock tongue is pressed downwards to slide downwards along the arc-shaped sliding part, the lock tongue is driven to slide into the clamping groove by pushing the reset assembly, and the lower surface of the arc-shaped sliding part is provided with a limiting face matched with the lock tongue in a limiting mode. And the length of the limiting surface is smaller than that of the spring bolt. The locking structure of the vehicle cover device has the advantages of being convenient and reliable to disassemble and assemble, good in locking effect, high in use performance, high in stability and the like.

Description

Technical Field

[0001] The utility model relates to the field of automobile parts, in particular to a locking structure of a vehicle cover device. Background Art

[0002] Trucks generally refer to vehicles that are mainly used to transport goods. They have open compartments and closed compartments. Pickup trucks, for example, have open compartments. They are a type of vehicle structure that uses the front and cab of a sedan. They are characterized by the comfort of a sedan, but also by their powerful power. They are also more capable of carrying goods and adapting to bad roads than sedans. However, since the compartment is open, if the goods are placed in the compartment, they will not be protected from wind and rain under special weather conditions, which may affect the goods.

[0003] Therefore, in order to solve the above-mentioned problems, the existing technology places a hood on the car body for protection, and adopts connecting structures and components to install the hood on the car body. For example, a locking mechanism is used to connect and fix the hood and the car body. However, due to the structural limitations of the locking mechanism, it is inconvenient to disassemble and assemble the cargo compartment hood, the locking effect is poor, and the performance and stability are poor. Utility Model Content

[0004] In order to overcome the shortcomings and deficiencies of the background technology, the utility model provides a locking structure of a hood device to solve the technical problems of the locking mechanism of the existing hood device, such as inconvenient disassembly and assembly, poor locking effect, poor performance and low stability.

[0005] The technical solution of the utility model is: a locking structure of a vehicle cover device, comprising a cover body, a side rail and a lock mechanism, the lock mechanism comprising a lock, a lock tongue, a fixing block and a push-reset assembly, the side rail is installed on the edge of the vehicle compartment, the lock is fixed on the side rail, the fixing block is connected to the cover body, the lock tongue is connected to the fixing block through a push-reset assembly, an arc-shaped sliding portion is provided on the lock, a slot is provided at the lower end of the arc-shaped sliding portion, the lock tongue is pressed downward to slide downward along the arc-shaped sliding portion and driven to slide into the slot through the push-reset assembly, a limiting surface is provided on the lower surface of the arc-shaped sliding portion to limit the lock tongue, and the length of the lock tongue is greater than the length of the limiting surface.

[0006] The push-reset assembly includes a movable pull rod and a spring. A through hole is provided on the fixed block. The front end of the through hole is a hole with a larger inner diameter. The movable pull rod passes through the through hole. A screw portion is provided at the front end of the movable pull rod. The locking tongue is threadedly connected to the screw portion. One end of the spring abuts against the bottom of the hole, and the other end abuts against the end of the locking tongue.

[0007] The lock buckle comprises a body and a movable block, the movable block is separately connected to the body, and the arc-shaped sliding portion is fixed on the movable block.

[0008] The main body is provided with an open groove, a sliding guide rail is provided on the inner side of the front end of the open groove, and convex edges are provided on both sides of the movable block. The movable block slides into the open groove along the sliding guide rail through the convex edges and is fixed in the open groove by being engaged.

[0009] The sliding guide rail is provided with a guard extending upward, and the guard and the sliding guide rail form a first slide groove portion with a larger height at the outer end and a second slide groove portion with a smaller height at the inner end. The movable block is provided with a first clamping portion and a second clamping portion at the bottom of the convex edge, the first clamping portion is clamped with the first slide groove portion, and the second clamping portion is clamped with the second slide groove portion.

[0010] The upper end of the lock buckle is provided with a protrusion which protrudes upward relative to the upper surface of the lock buckle.

[0011] The fixing block is provided with a limit pin, the lock buckle is provided with a guide limit groove, the limit pin slides into the guide limit groove and cooperates with the lock buckle in limiting position.

[0012] The guide limiting groove includes an arc-shaped sliding portion, an accommodating portion and a limiting portion. The limiting pin slides into and slides to the accommodating portion along the arc-shaped sliding portion. The limiting portion is located above the accommodating portion and extends outward to form a limiting fit with the limiting pin.

[0013] The utility model has the following beneficial effects: the locking structure of the vehicle cover device has the advantages of convenient and reliable disassembly and assembly, good locking effect, strong performance and high stability, and damaged parts can be replaced after long-term use to ensure the long service life of the parts and the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model.

[0015] Figure 2 It is a structural schematic diagram of the utility model.

[0016] Figure 3 For this utility model Figure 2 A magnified view of the structure in the middle.

[0017] Figure 4 It is a structural schematic diagram of the lock buckle in the utility model.

[0018] Figure 5 It is a cross-sectional view of the locking mechanism in the utility model.

[0019] Figure 6 It is a structural schematic diagram of the main body in the utility model.

[0020] Figure 7 It is a structural schematic diagram of the movable block in the utility model.

[0021] Figure 8 It is a schematic diagram of the bottom structure of the movable block in the utility model.

[0022] Fig. 9 It is another bottom structure schematic diagram of the movable block in the utility model.

[0023] In the figure, the cover body 1, the side rail 2, the lock buckle 3, the lock tongue 4, the fixed block 5, the arc-shaped sliding portion 6, the limiting surface 61, the slot 7, the movable pull rod 8, the spring 9, the through hole 10, the hole 11, the screw portion 12, the limiting pin 13, the guide limiting groove 14, the main body 31, the movable block 32, the opening groove 33, the sliding guide rail 34, the convex edge 35, the rib 36, the first engaging portion 37, the second engaging portion 38, the protruding portion 39, the arc-shaped sliding portion 141, the accommodating portion 142, the limiting portion 143, the first slide groove portion 341, and the second slide groove portion 342. DETAILED DESCRIPTION

[0024] The following is further described with respect to the embodiments of the present invention:

[0025] As shown in the figure, a locking structure of a vehicle cover device includes a cover body 1, a side rail 2 and a locking mechanism, wherein the locking mechanism includes a locking buckle 3, a locking tongue 4, a fixing block 5 and a pushing and resetting assembly, wherein the side rail 2 is installed on the edge of the vehicle compartment, the locking buckle 3 is fixed on the side rail 2, the fixing block 5 is connected to the cover body 1, and the locking tongue 4 is connected to the fixing block 5 through a pushing and resetting assembly, and an arc-shaped sliding portion 6 is provided on the locking buckle 3, and a card slot 7 is provided at the lower end of the arc-shaped sliding portion 6, and the locking tongue 4 is pressed downward to slide downward along the arc-shaped sliding portion 6 and driven by the pushing and resetting assembly to slide into the card slot 7, and a limiting surface 61 is provided on the lower surface of the arc-shaped sliding portion 6 to limit the locking tongue 4, and the length of the locking tongue 4 is greater than the length of the limiting surface 61. According to the above scheme, the locking structure of the hood device has the advantages of convenient and reliable disassembly and assembly, good locking effect, strong performance and high stability, and damaged parts can be replaced after long-term use to ensure the long service life of the parts and the device. In addition, the length of the limiting surface is less than the length of the locking tongue, and the locking tongue is larger than the length of the limiting surface, so that when the locking tongue is engaged with the limiting surface, the engaging effect is good, which prevents the locking tongue from being separated from the limiting surface and improves the limiting stability.

[0026] In the utility model, as shown in the figure, the push-reset assembly includes a movable pull rod 8 and a spring 9, a through hole 10 is provided on the fixed block 5, the front end of the through hole 10 is a hole 11 with a larger inner diameter, the movable pull rod 8 passes through the through hole 10, the front end of the movable pull rod 8 is provided with a screw portion 12, the locking tongue 4 is threadedly connected to the screw portion 12, one end of the spring 9 abuts against the bottom of the hole 11, and the other end abuts against the end of the locking tongue 4. With the above structure, the locking thread is connected to the head thread of the movable pull rod. When in use, the movement and reset of the locking tongue are achieved through the lock tongue and the arc-shaped sliding portion and through the movable pull rod 8 and the spring 9. When pressed down, the lock tongue moves toward the direction of the spring to drive the movable pull rod and compress the spring until it slides into the slot to achieve locking and spring reset. It has the advantages of reasonable structure, reliable action, convenient installation, and good locking effect.

[0027] In the present invention, as shown in the figure, the lock buckle 3 includes a body 31 and a movable block 32, the movable block 32 is separately connected to the body 31, and the arc-shaped sliding portion 6 is fixed to the movable block 32. By separately connecting the lock buckle to the body of the lock buckle, a detachable connection structure of the arc-shaped sliding portion and the lock buckle is realized, so that it is easy to replace and detach, and the product performance is improved and the service life is extended.

[0028] In the present utility model, as shown in the figure, the main body 21 is provided with an opening groove 33, the front end inner side of the opening groove 33 is provided with a sliding guide rail 34, and the movable block 32 is provided with convex edges 35 on both sides, and the movable block 32 slides along the sliding guide rail 34 through the convex edges 35 and is fixed in the opening groove 33. The main body 31 is provided with an opening groove 33, and the movable block 32 is provided with convex edges 35 on both sides, and the convex edges 35 slide along the sliding guide rail 34 and are fixed in the opening groove 33, so as to realize the connection between the movable block and the lock body, and the disassembly and assembly are convenient.

[0029] In the present utility model, as shown in the figure, the sliding guide rail 34 is provided with a rib 36 extending upward, and the rib 36 and the sliding guide rail 34 form a first slide groove portion 341 with a larger outer end height and a second slide groove portion 342 with a smaller inner end height. The movable block 32 is provided with a first clamping portion 37 and a second clamping portion 38 at the bottom of the convex edge 35, and the first clamping portion 37 is clamped with the first slide groove portion 341, and the second clamping portion 38 is clamped with the second slide groove portion 342. The rib 36 enables the sliding guide rail 34 to form a first slide groove portion 341 with a larger outer end height and a second slide groove portion 342 with a smaller inner end height, so as to cooperate with the first clamping portion 37 and the second clamping portion 38 at the bottom of the convex edge 35 to achieve clamping, thereby preventing the movable block from falling off, and having strong connection firmness and high stability.

[0030] In the present invention, as shown in the figure, the upper end of the lock buckle 3 is provided with a protrusion 39 protruding upward relative to the upper surface of the lock buckle 3. By providing the upper end of the lock buckle 3 with a protrusion 39 protruding upward relative to the upper surface of the lock buckle 3, the friction between the cover and the lock buckle is reduced to play a protective role.

[0031] In the present utility model, as shown in the figure, the fixing block 5 is provided with a limit pin 13, and the lock buckle 3 is provided with a guide limit groove 14, and the limit pin 13 slides into the guide limit groove 14 and cooperates with the lock buckle 3. By providing the guide limit groove 14 on the lock buckle 3, the limit pin 13 slides into the guide limit groove 14 and cooperates with the lock buckle 3 to achieve the limit relationship between the fixing block and the lock buckle, so that the lock buckle and the lock tongue are locked, and then effective guide limit is performed, so that the overall locking effect is better.

[0032] In the present invention, as shown in the figure, the guide limit groove 14 includes an arc-shaped sliding portion 141, an accommodating portion 142 and a limit portion 143, the limit pin 13 slides into the accommodating portion 142 along the arc-shaped sliding portion 141, and the limit portion 143 is located above the accommodating portion 142 and extends outward to form a limit fit with the limit pin 13. The guide limit groove 14 includes an arc-shaped sliding portion 141, an accommodating portion 142 and a limit portion 143, so that the limit pin 13 slides from the arc-shaped sliding portion 141 into the accommodating portion 142 and fits with the limit portion, and has the advantages of reasonable structure, strong reliability, and good guide limit effect.

Claims

1. A locking structure of a vehicle cover device, comprising a cover body (1), a side rail (2) and a locking mechanism, characterized in that: The lock mechanism comprises a lock (3), a lock tongue (4), a fixing block (5) and a push-reset assembly. The side rail (2) is mounted on the edge of the carriage, the lock (3) is fixed on the side rail (2), the fixing block (5) is connected to the cover body (1), the lock tongue (4) is connected to the fixing block (5) via the push-reset assembly, the lock (3) is provided with an arc-shaped sliding portion (6), a slot (7) is provided at the lower end of the arc-shaped sliding portion (6), the lock tongue (4) is pressed downward to slide downward along the arc-shaped sliding portion (6) and is driven by the push-reset assembly to slide into the slot (7), the lower surface of the arc-shaped sliding portion (6) is provided with a limiting surface (61) that is limitedly matched with the lock tongue (4), and the length of the lock tongue (4) is greater than the length of the limiting surface (61).

2. The locking structure of a vehicle cover device according to claim 1, characterized in that: The push-reset assembly comprises a movable pull rod (8) and a spring (9); a through hole (10) is provided on the fixed block (5); the front end of the through hole (10) is a hole (11) with a larger inner diameter; the movable pull rod (8) passes through the through hole (10); the front end of the movable pull rod (8) is provided with a screw portion (12); the locking tongue (4) is threadedly connected to the screw portion (12); one end of the spring (9) abuts against the bottom of the hole (11), and the other end abuts against the end of the locking tongue (4).

3. The locking structure of a vehicle cover device according to claim 1, characterized in that: The lock buckle (3) comprises a main body (31) and a movable block (32); the movable block (32) is connected to the main body (31) in a split-type manner; and the arc-shaped sliding portion (6) is fixed on the movable block (32).

4. The locking structure of a vehicle cover device according to claim 3, characterized in that: The body (31) is provided with an open groove (33), a sliding guide rail (34) is provided on the inner side of the front end of the open groove (33), and convex edges (35) are provided on both sides of the movable block (32). The movable block (32) slides along the sliding guide rail (34) through the convex edges (35) and is fixed in the open groove (33) by being engaged therewith.

5. The locking structure of a vehicle cover device according to claim 4, characterized in that: The sliding guide rail (34) is provided with a retaining edge (36) extending upward, and the retaining edge (36) and the sliding guide rail (34) form a first slide groove portion (341) with a larger height at the outer end and a second slide groove portion (342) with a smaller height at the inner end. A first clamping portion (37) and a second clamping portion (38) are provided on the movable block (32) and at the bottom of the convex edge (35), and the first clamping portion (37) is clamped with the first slide groove portion (341), and the second clamping portion (38) is clamped with the second slide groove portion (342).

6. The locking structure of a vehicle cover device according to claim 1, 2, 3, 4 or 5, characterized in that: The upper end of the lock buckle (3) is provided with a protruding portion (39) protruding upward relative to the upper surface of the lock buckle (3).

7. The locking structure of a vehicle cover device according to claim 1, 2, 3, 4 or 5, characterized in that: The fixing block (5) is provided with a limit pin (13), and the lock buckle (3) is provided with a guide limit slot (14), and the limit pin (13) slides into the guide limit slot (14) and cooperates with the lock buckle (3) in a limit position.

8. The locking structure of a vehicle cover device according to claim 7, characterized in that: The guide limit groove (14) comprises an arc-shaped sliding portion (141), a receiving portion (142) and a limit portion (143); the limit pin (13) slides along the arc-shaped sliding portion (141) into and slides to the receiving portion (142); the limit portion (143) is located above the receiving portion (142) and extends outwards to form a limit fit with the limit pin (13).

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