Locking mechanism for rear cover plate of pickup truck

By using a pull cord-connected locking tongue assembly and operating assembly on the rear cover of a pickup truck, the problem of repeated operation required by the locking mechanism in the prior art is solved, and efficient locking and unlocking operations are achieved.

CN223854033UActive Publication Date: 2026-01-30温州高唯五金制品有限公司
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Patent Information

Application Number
CN202520436674.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-01-30
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

The existing pickup truck tailgate locking mechanism requires repeated operation of the handle, making the unlocking and locking process cumbersome and impractical.

Method used

The locking tongue assembly and operating assembly are connected by a pull cord. The operating assembly can simultaneously drive the locking tongue assemblies at both ends to complete the unlocking and locking actions, simplifying the operation process.

Benefits of technology

It significantly improves operational efficiency and achieves a locking mechanism design that is both easy to operate and highly practical.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a locking mechanism for a rear cover plate of a pickup truck, which relates to the field of automobile accessories and comprises a cover plate, a plurality of spring bolt components and a plurality of operation components, comprising a cover plate, lock plate assemblies installed on the two side walls of a rear carriage, a plurality of spring bolt assemblies and a plurality of operation assemblies, and the spring bolt assemblies and the operation assemblies are installed on the lower surface of the cover plate; a pull rope for connecting the operation assembly at one end of the cover plate with the spring bolt assembly at the other end of the cover plate is arranged between the operation assembly and the spring bolt assembly; the pull rope penetrates through the other operation assembly located between the operation assembly and the spring bolt assembly. The lock plate assembly is provided with a lock plate extending in the direction of the spring bolt assembly, and the spring bolt assembly is located under the lock plate when not driven by the operation assembly to be unlocked. The device has the advantages of being good in practicability and convenient to operate.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile accessories, specifically relates to a locking mechanism of pickup truck rear cover plate. BACKGROUND

[0002] The lower surface of the pickup truck rear cover plate in prior art is provided with a locking mechanism, and the locking mechanism generally adopts handle type structure, and the locking and unlocking are realized by arranging multiple locking mechanisms on the two sides of the pickup truck rear cover plate, but this structure has a problem: the handle needs to be repeatedly operated every time the unlocking and locking are carried out, and the unlocking and locking of the rear cover plate need to be repeatedly operated on the two sides, so that the degree of complexity is greatly increased, and the practicability is poor. UTILITY MODEL CONTENTS

[0003] In order to overcome the deficiency of the background art, the utility model provides a locking mechanism of pickup truck rear cover plate which is good in practicability and convenient to operate.

[0004] The utility model employs the technical scheme that a locking mechanism of pickup truck rear cover plate, including cover plate, a plurality of lock tongue components and a plurality of operating components installed on the lower surface of the cover plate, including cover plate, lock plate component installed on the two side walls of the rear compartment and a plurality of lock tongue components and a plurality of operating components installed on the lower surface of the cover plate, the operating component of the one end of the cover plate and the lock tongue component of the other end of the cover plate are equipped with the pull rope connecting both, the pull rope passes through another operating component between the operating component and the lock tongue component;The lock plate component is equipped with the lock plate extending to the direction of the lock tongue component, and the lock tongue component is located directly below the lock plate when not being driven to unlock by the operating component.

[0005] The lock tongue component includes:

[0006] The lock tongue seat is slidably installed on the two side positions of the lower surface of the cover plate;

[0007] The lock tongue is installed on the lock tongue seat;

[0008] The adjusting part for adjusting the installation position of the lock tongue on the lock tongue seat is arranged between the lock tongue and the lock tongue seat.

[0009] The sliding groove is arranged along the length direction and penetrates up and down on the lock tongue seat, the step surface is arranged on the lower part of the two sides of the sliding groove, the adjusting part adopts the bolt through the lock tongue and the nut threadedly matched with the bolt, and the nut is in contact with the step surface.

[0010] The upper surface of the lock tongue seat is provided with a plurality of positioning grooves arranged along the length direction, and the lower part of the lock tongue is provided with a positioning block matched with the positioning groove.

[0011] The operating component includes:

[0012] A base is fixedly installed on the lower surface of the cover plate;

[0013] A handle is rotatably installed on the base;

[0014] A rotating frame is rotatably installed on the base and is connected with the handle in linkage;

[0015] The pull rope is connected with the lock tongue seat after passing through all the rotating frames and the base in sequence, and an elastic member is arranged between the base and the lock tongue seat to abut against both.

[0016] Both ends of the pull rope are provided with fixedly installed limiting beads, and the lock tongue seat is provided with a slot through which the pull rope passes, and the size of the slot is smaller than the outer diameter of the limiting beads.

[0017] The lower surface of the cover plate is provided with a lamp plate.

[0018] The lower surface of the cover plate is provided with a mounting groove and a groove body embedded in the mounting groove and used for placing the lock tongue assembly, the operation assembly and the lamp plate, the groove body is provided with a cover sheet used for covering, and the lamp plate is fixedly connected with the cover sheet.

[0019] Both sides of the lock tongue seat and the base are respectively provided with a rib arranged along the length direction, both side walls of the groove body are provided with a guide groove in sliding cooperation with the rib, and both sides of the lower surface of the cover sheet are provided with a positioning plate inserted into the groove body and abutting against the inner walls of both sides of the groove body.

[0020] Both sides of the groove body are provided with wing plates which are fixedly installed on the lower surface of the cover plate by rivets, the groove body is provided with a limiting seat used for limiting at a position beside the base and the lock tongue seat, and a screw is arranged between the cover sheet and the limiting seat to connect both.

[0021] The technical scheme has the advantages that the pull rope can drive the lock tongue assemblies at both ends of an operation assembly to complete the unlocking and locking actions, the operation efficiency is improved, and the technical scheme has the advantages of good practicability and convenient operation. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 FIG. 1 is a structural schematic view of a locking mechanism of a pickup truck rear cover plate according to the present application.

[0023] Figure 2 FIG. 2 is a structural schematic view of a lock tongue assembly and an operation assembly.

[0024] Figure 3 FIG. 3 is a structural schematic view of a lock tongue.

[0025] Figure 4 FIG. 4 is a structural schematic view of a rotating frame.

[0026] Figure 5 Structure diagram of the cover plate.

[0027] Figure 6 Structure diagram of the groove and the cover plate.

[0028] Figure 7 Structure diagram of the back of the lock tongue seat.

[0029] Figure 8 Top view of the lock tongue assembly and the operation assembly.

[0030] Figure 9 Sectional view of the lock tongue seat in the groove and the cover plate.

[0031] Figure 10 Structure diagram of the lock tongue and the lock plate.

[0032] Figure 11 Installation diagram of the lamp plate on the cover plate. DETAILED DESCRIPTION

[0033] The embodiments of the utility model will be further described below in combination with the drawings:

[0034] As shown in the figure, a locking mechanism of a pickup truck cover plate, including cover plate, a plurality of lock tongue assemblies and a plurality of operation assemblies installed on the lower surface of the cover plate, including cover plate 1, lock plate assembly 25 installed on the two side walls of the rear compartment and a plurality of lock tongue assemblies and a plurality of operation assemblies installed on the lower surface of the cover plate 1, the operation assembly of one end of the cover plate and the lock tongue assembly of the other end of the cover plate are provided with connecting both pull rope 10, the pull rope passes through another operation assembly between the operation assembly and the lock tongue assembly;The lock plate assembly 25 is provided with the lock plate 26 extending to the direction of the lock tongue assembly, and the lock tongue assembly is located directly below the lock plate 26 when it is not unlocked by the operation assembly;In the technical scheme, one operation assembly can drive both ends of the lock tongue assembly to complete the unlocking and locking action through the pull rope, which significantly improves the operation efficiency, and has the advantages of good practicability and convenient operation.

[0035] Among them, one lock tongue assembly and one operation assembly are set at one end of the cover plate, another lock tongue assembly and operation assembly are set at the other end of the cover plate, and the two groups of lock tongue assemblies and operation assemblies are on a straight line, then the number of pull ropes is two, one pull rope passes through another operation assembly between one operation assembly and one lock tongue assembly, and the specific distribution is as shown in Figure 2 .

[0036] The lock tongue assembly comprises:

[0037] Lock tongue seat 2, which is slidingly installed on the lower surface of the cover plate 1 at both sides;

[0038] The lock tongue 3 is installed on the lock tongue seat 2.

[0039] The lock tongue 3 and the lock tongue seat 2 are provided with an adjusting member for adjusting the installation position of the lock tongue 3 on the lock tongue seat 2; the lock tongue of the technical solution can adjust the position on the lock tongue seat through the adjusting member, thereby adapting to different models of pickup trucks, and has the advantages of good practicability and convenient operation.

[0040] The lock tongue seat 2 is provided with a sliding groove 4 extending in the length direction and penetrating up and down, the lower part of the sliding groove 4 is provided with a stepped surface 5 on both sides, the adjusting member adopts a bolt 6 penetrating through the lock tongue 3 and a nut 7 threadedly matched with the bolt 6, and the nut 7 is in contact with the stepped surface 5; after the bolt and the nut are loosened, the lock tongue can be adjusted in position on the lock tongue seat, and after the position is determined, the bolt and the nut are tightened.

[0041] The upper surface of the lock tongue seat 2 is provided with a plurality of positioning grooves 8 extending in the length direction, and the lower part of the lock tongue 3 is provided with a positioning block 9 matched with the positioning grooves 8; the lock tongue can be fixed after the position is adjusted through the plug-in cooperation of the positioning block and the positioning groove.

[0042] The operating assembly at one end and the lock tongue assembly at the other end are provided with a pull rope 10 connecting the two, the pull rope penetrates through another operating assembly between the operating assembly and the lock tongue assembly, and the two operating assemblies are interconnected; when one side of the operating assembly is operated by a person, the other side of the operating assembly will be driven by the pull rope to move synchronously, and the unlocking action of the lock tongues on both sides is completed.

[0043] The operating assembly comprises:

[0044] The base 12 is fixedly installed on the lower surface of the cover plate 1.

[0045] The handle 13 is rotatably installed on the base 12.

[0046] The rotating frame 14 is rotatably installed on the base 12 and is connected with the handle 13 in linkage.

[0047] The pull rope 10 penetrates through all the rotating frames 14 and the base 12 in sequence and is connected with the lock tongue seat; the base 12 and the lock tongue seat 2 are provided with an elastic member 15 abutting against each other, the elastic member adopts a spring, provides pre-tightening force for the lock tongue reset, and the handle drives the rotating frame to rotate synchronously when rotating; the pull rope penetrates through the rotating frame, so that the rotating frame has a pulling force on the pull rope when rotating, the pulling force is transmitted to the other lock tongue seat, thereby realizing the synchronous action of the two lock tongue seats.

[0048] In addition, when the rotating frame rotates, the pull rope will be wound around the rotating frame, and the lock tongue assemblies on both sides will be subjected to the pulling force, so as to complete the unlocking action.

[0049] The pre-tightening force of the elastic member can also be used to provide pre-tightening force for resetting the rotating frame.

[0050] Both ends of the pull rope 10 are provided with fixed limiting beads 16, and the lock tongue seat 2 is provided with a slot 28 through which the pull rope 10 passes. The size of the slot 28 is smaller than the outer diameter of the limiting beads 16. After the pull rope passes through the slot, the limiting beads are clamped in the slot, thereby achieving the function of fixation. The limiting beads at the positions corresponding to the rotating frames 14 can make the rotating frames and the pull rope realize linkage action. When the rotating frames are driven to rotate by the handle, the rotating frames drive the pull rope to twist through the limiting beads.

[0051] The lower surface of the cover plate 1 is provided with a lamp plate 17. The lamp plate in the embodiment is provided with a switch and a battery box, and is used for lighting in a dark environment.

[0052] The lower surface of the cover plate 1 is provided with a mounting groove 18 and a groove body 20 embedded in the mounting groove 18 and used for placing the lock tongue assembly, the operation assembly and the lamp plate 17. The groove body 20 is provided with a cover sheet 19 used for covering. The lamp plate 17 is fixedly connected with the cover sheet 19. The operation assembly and the lock tongue assembly in the embodiment are both mounted in the groove body and hidden below the cover sheet. Only the lock tongue, the handle and the lamp plate are exposed.

[0053] The two side surfaces of the lock tongue seat 2 and the base 12 are respectively provided with a lengthwise rib 21. The two side walls of the groove body 20 are provided with a guide groove 22 which is in sliding cooperation with the rib 21. The two sides of the lower surface of the cover sheet 19 are provided with a positioning plate 23 which is inserted into the groove body 20 and abuts against the inner walls of the two sides of the groove body. The two ends of the groove body are through. The lock tongue seat and the base are inserted from one end of the groove body along the guide groove. When being installed, an operator pushes the lock tongue seat and the base to move, so that the rib slides along the guide groove to the corresponding position. The guide groove has a limiting effect on the rib, which can prevent the lock tongue seat and the base from being separated from the groove body. Then, the lock tongue assembly and the operation assembly are installed, and the positioning plate below the cover sheet is inserted into the groove body.

[0054] The installation mode of the rotating frame is the same as that of the lock tongue seat, that is, the rotating frame is slid into the groove body from one end of the groove body along the guide groove, and is fixed by screws after reaching the appropriate position.

[0055] The two sides of the groove body 20 are provided with wing plates 24 which are fixedly installed on the lower surface of the cover plate 1 by rivets. The groove body is provided with a limiting seat 27 for limiting at a position beside the base and the lock tongue seat. Screws are arranged between the cover sheet 19 and the limiting seat 27 to connect the two. The cover sheet is detachable. The limiting seat is located at the two end positions of the base and the lock tongue seat, which can limit the positions of the two, thereby ensuring the stability of work. The installation mode of the limiting seat is the same as that of the base, that is, the limiting seat is slid in the guide groove through the ribs on the two sides.

[0056] Further comprising the lock plate assembly 25 installed on the two side walls of the rear compartment, the lock plate assembly 25 is provided with the lock plate 26 extending to the direction of the lock tongue 3, the lock tongue 3 is located directly below the lock plate 26 when it is not unlocked by the operating assembly, the lock plate assembly is fixedly installed on the two side walls of the rear compartment, and the lock tongue assembly is retracted by the operating assembly to be away from the lock plate to achieve unlocking, and when it is not unlocked, the lock tongue is located below the lock plate, and the cover plate is in a locked state and cannot be lifted.

[0057] In the description of the present application, it should be explained that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation of the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0058] In the description of the present application, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In addition, in the description of the present application, unless otherwise stated, the meaning of "multiple" is two or more.

[0059] Skilled persons should know that although the present application has been described according to the above specific embodiments, the present application is not limited to this application, any modification using the present application will be included in the scope of the present patent.

Claims

1. A locking mechanism for a pickup truck tailgate, characterized by: The utility model relates to a lock device for vehicle, which comprises a cover plate (1), a lock plate assembly (25) installed on the two side walls of the rear compartment, and a plurality of lock bolt assemblies and a plurality of operation assemblies installed on the lower surface of the cover plate (1), wherein the operation assembly at one end of the cover plate is connected with the lock bolt assembly at the other end of the cover plate through a pull rope (10) passing through another operation assembly between the operation assembly and the lock bolt assembly; the lock plate assembly (25) is provided with a lock plate (26) extending towards the lock bolt assembly, and the lock bolt assembly is located directly below the lock plate (26) when it is not unlocked by the operation assembly.

2. The locking mechanism of a pickup truck tonneau cover as defined in claim 1 wherein: The lock bolt assembly comprises: a lock bolt seat (2) slidably installed on the lower surface of the cover plate (1); a lock bolt (3) installed on the lock bolt seat (2); an adjusting member arranged between the lock bolt (3) and the lock bolt seat (2) for adjusting the installation position of the lock bolt (3) on the lock bolt seat (2).

3. The locking mechanism of a pickup truck tonneau cover as defined in claim 2 wherein: The lock bolt seat (2) is provided with a sliding groove (4) passing through the upper and lower surfaces along the length direction, and the lower part of the sliding groove (4) is provided with a stepped surface (5) on both sides; the adjusting member comprises a bolt (6) passing through the lock bolt (3) and a nut (7) threadedly connected with the bolt (6), and the nut (7) is in contact with the stepped surface (5).

4. The locking mechanism for a pickup truck tonneau cover as defined in claim 2 wherein: The upper surface of the lock bolt seat (2) is provided with a plurality of positioning grooves (8) arranged along the length direction, and the lower part of the lock bolt (3) is provided with a positioning block (9) matched with the positioning grooves (8).

5. The locking mechanism for a pickup truck tonneau cover as defined in claim 2 wherein: The operation assembly comprises: a base (12) fixedly installed on the lower surface of the cover plate (1); a handle (13) rotatably installed on the base (12); a rotating frame (14) rotatably installed on the base (12) and connected with the handle (13); the pull rope (10) is connected with the lock bolt seat after passing through all the rotating frames (14) and the base (12) in sequence, and an elastic member (15) is arranged between the base (12) and the lock bolt seat (2) to abut against them.

6. The locking mechanism of a pickup truck tonneau cover as defined in claim 5 wherein: limiting beads (16) are fixedly arranged at both ends of the pull rope (10) and at positions corresponding to the rotating frames (14), respectively; the lock bolt seat (2) is provided with a slot (28) through which the pull rope (10) passes, and the size of the slot (28) is smaller than the outer diameter of the limiting beads (16).

7. The locking mechanism for a pickup truck tonneau cover as defined in claim 5 wherein: A lamp plate (17) is installed on the lower surface of the cover plate (1).

8. The locking mechanism of a pickup truck tonneau cover as defined in claim 7 wherein: An installation groove (18) is formed on the lower surface of the cover plate (1), and a groove body (20) is embedded in the installation groove (18) and used for placing the lock bolt assembly, the operation assembly and the lamp plate (17); a cover sheet (19) is installed on the groove body (20) for covering; the lamp plate (17) is fixedly connected with the cover sheet (19); the two side surfaces of the lock bolt seat (2) and the base (12) are respectively provided with a rib (21) arranged along the length direction; the two side walls of the groove body (20) are provided with guide grooves (22) slidably matched with the ribs (21); and the lower surface of the cover sheet (19) is provided with a positioning plate (23) inserted into the groove body (20) and abutting against the inner walls of the two side walls of the groove body.

9. The locking mechanism of a pickup truck tonneau cover according to claim 8, wherein: Said groove (20) both sides are provided with wing plate (24) and the wing plate (24) is riveted and installed on the lower surface of the cover plate (1), the position of the groove in the base and the lock tongue base is provided with a limiting seat (27) for limiting, the cover sheet (19) and the limiting seat (27) are provided with screws connecting both.