Cushion lock convenient to assemble

Abstract

The utility model provides a seat cushion lock convenient to assemble, which comprises a lock catch mechanism, the lock catch mechanism comprises a mounting frame, a drag hook pivoted on the mounting frame, a lock hook which is in linkage fit with the drag hook to lock or unlock a seat cushion spring bolt, a tension spring connected on the drag hook and the lock hook, and an unlocking device, a shell is installed on the side, opposite to the drag hook, of the installation frame, an installation groove used for installing the unlocking device is formed in the shell, a shell cover connected and matched with the shell is arranged at a groove opening of the installation groove, and the unlocking device further comprises a motor, a transmission assembly in transmission fit with the motor and a limiting plate in transmission fit with the transmission assembly. The motor and the transmission assembly are installed in the installation groove, a locking block is arranged on the limiting plate, a sliding opening for the locking block to move in a reciprocating mode is formed in the installation frame, and the locking block protrudes out of the sliding opening, is located between the drag hook and the lock hook and is used for limiting the drag hook. The utility model has few parts, is convenient to assemble, and can reduce the production cost.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle accessories, in particular to a seat cushion lock which is easy to assemble. Background Art

[0002] Electric vehicles and motorcycles are common modes of transportation in our daily lives, particularly in southeastern my country. To facilitate the placement of items, the center of the vehicle body beneath the seat of an electric vehicle or motorcycle is recessed to create a storage space. The seat serves as a cover for this storage space. To prevent theft, a seat lock is required between the seat and the vehicle body.

[0003] A seat lock typically consists of a locking mechanism and an unlocking device that works in conjunction with it. The locking mechanism includes a mounting frame, a hook pivotally connected to the mounting frame, a locking hook that works in conjunction with the hook to lock or unlock the seat lock tongue, and two tension springs connected to the hook and the hook. Existing unlocking devices have numerous components, making assembly difficult and production costly. Utility Model Content

[0004] In view of the above problems, the purpose of the present invention is to provide a seat cushion lock with an unlocking device having fewer parts, which is easy to assemble and can reduce production costs.

[0005] The locking mechanism comprises a locking mechanism, wherein the locking mechanism comprises a mounting frame, a hook pivotally connected to the mounting frame, a lock hook that cooperates with the hook to lock or unlock the seat cushion lock tongue, and a tension spring connected to the hook and the lock hook, and an unlocking device, wherein the mounting frame is provided with a housing on one side opposite to the hook, the housing is provided with a mounting slot for installing the unlocking device, the notch of the mounting slot is provided with a shell cover that is connected and cooperates with the housing, the unlocking device also comprises a motor, a transmission assembly that cooperates with the motor transmission, and a limit plate that cooperates with the transmission assembly transmission, the motor and the transmission assembly are installed in the mounting slot, the housing is provided with a slide slot that slidably cooperates with the limit plate on one side facing the mounting frame, the limit plate is provided with a lock block, the mounting frame is provided with a slide slot for the lock block to move back and forth, the lock block protrudes from the slide slot and is located between the hook and the lock hook for limiting the hook.

[0006] In the above structure, when the seat lock is locked, the locking block is located within the swinging stroke of the hook to unlock and limit its unlocking. When the seat lock needs to be unlocked, the motor drives the limit plate to move via the transmission assembly, and the locking block then moves toward the lock hook, contacting the limiter for the swinging stroke of the hook in the unlocking direction. The hook then releases the limit on the lock hook, thereby unlocking the seat lock. The provision of the mounting slot facilitates the installation of the motor and transmission assembly, and the provision of the slide slot facilitates the installation of the limit plate. Furthermore, the unlocking device has fewer parts, thereby improving the assembly efficiency of the present invention and reducing production costs. The provision of the sliding opening facilitates the locking block's movement through the hook to limit its position, and provides sufficient displacement space for the locking block's displacement stroke, thereby improving the reliability of the present invention.

[0007] The present invention is further configured such that an abutment plate is provided in the slide groove in the direction of displacement relative to the limit plate, a limit opening is provided on the abutment plate, a mounting opening corresponding to the limit opening is provided on the side of the limit plate facing the shell, a limit spring is installed in the mounting opening, and a through opening is provided on the limit plate in the direction of displacement relative to the limit plate, which slides and cooperates with the abutment plate.

[0008] In the above structure, when the limit plate is displaced, the two ends of the limit spring cooperate with the two ends of the installation opening to achieve abutment and limit, thereby preventing the transmission assembly from getting stuck when the limit plate is displaced to the end, thereby improving the reliability of the present invention and the stability of the limit plate displacement. Compared with existing structures, the adoption of the above structure can reduce the number of parts and components, thereby reducing the production cost of the present invention, facilitating the assembly of the unlocking device, and improving the assembly efficiency of the present invention. The provision of a through-hole facilitates the cooperation between the abutment plate and the limit spring, and can limit the limit plate, thereby improving the stability of the limit plate displacement and thus improving the reliability of the present invention.

[0009] The utility model is further configured such that a connecting hole connected to the slide groove is provided on the inner wall of the mounting groove, the transmission assembly includes a worm gear that cooperates with the motor, a gear set that cooperates with the worm gear, and a transmission wheel that cooperates with the gear set and is located in the connecting hole, a movable groove is provided on the limit plate, and meshing teeth that mesh with the transmission wheel are provided in the movable groove below the mounting port.

[0010] In the above structure, the connecting hole allows the transmission wheel to pass through and engage with the meshing teeth on the limit plate, enabling the motor to drive the worm, which in turn drives the transmission wheel via the gear train, thereby controlling the displacement of the limit plate relative to the slideway. The limit spring prevents the transmission wheel from disengaging from the meshing teeth, thereby improving the reliability of the utility model.

[0011] The present invention is further configured such that a positioning column is provided on a side of the shell cover facing the shell body, a connecting column is provided in the installation groove, and a positioning hole is opened in the axial direction of the connecting column to match the positioning column.

[0012] In the above structure, the cooperation between the positioning column and the positioning hole can improve the tightness of the connection between the shell and the shell cover, and can improve the stability of the shell cover installation, thereby improving the reliability of the utility model.

[0013] The present invention is further configured such that a connector is provided on one side of the shell facing the mounting frame, and a connecting hole adapted to the connector is provided on the mounting frame.

[0014] In the above structure, the connection head is provided to cooperate with the connection hole, which can facilitate the positioning and installation of the mounting frame, thereby improving the convenience of assembly of the utility model.

[0015] The utility model is further configured such that the locking block is configured with an inverted arc at one end facing the draw hook.

[0016] By adopting the above structure, the wear on the draw hook can be reduced when the locking block and the draw hook abut against each other, thereby extending the service life of both.

[0017] The present invention is further configured such that the outer end of the sliding groove relative to the displacement direction of the limiting plate is opened.

[0018] The above structure can facilitate the installation of the limiting plate and provide sufficient displacement space for the limiting plate, thereby facilitating the installation of the present invention and improving the reliability of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the present utility model.

[0020] Figure 2 It is a schematic diagram of the structure inside the shell of the utility model.

[0021] Figure 3 This is a schematic diagram of the split structure of part of the structure of the utility model.

[0022] Figure 4 It is a schematic cross-sectional structural diagram of the present utility model.

[0023] Figure 5 It is a structural diagram of the limiting plate in the utility model.

[0024] Figure 6 It is a schematic structural diagram of the matching of the housing and the transmission wheel in the present utility model.

[0025] The meaning of the numbers in the figure are: 1-locking mechanism; 11-mounting frame; 12-pull hook; 13-locking hook; 14-tension spring; 2-unlocking device; 3-housing; 31-mounting slot; 4-housing cover; 21-motor; 22-transmission assembly; 23-limiting plate; 32-slide slot; 231-locking block; 111-slide mouth; 33-abutment plate; 331-limiting mouth; 232-mounting mouth; 5-limiting spring; 233-through mouth; 34-connecting hole; 221-worm; 222-gear set; 223-transmission wheel; 234-movable slot; 235-meshing teeth; 41-positioning column; 35-connecting column; 351-positioning hole; 36-connecting head; 112-connecting hole. DETAILED DESCRIPTION

[0026] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0027] It should be noted that all directional indications (such as up, down, left, right, front, back, and rear face) in the embodiments of the present invention are only used to explain the relative positional relationships and movement conditions between the various components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0028] like Figures 1 to 6 The seat lock shown is easy to assemble, including a locking mechanism 1, the locking mechanism 1 including a mounting frame 11, a hook 12 pivotally connected to the mounting frame 11, a lock hook 13 that cooperates with the hook 12 to lock or unlock the seat lock tongue, and a tension spring 14 connected to the hook 12 and the lock hook 13, and also includes an unlocking device 2, the mounting frame 11 is installed with a shell 3 on the side opposite to the hook 12, the shell 3 is provided with a mounting groove 31 for installing the unlocking device 2, the notch of the mounting groove 31 is provided with a shell cover 4 connected to the shell 3, the unlocking device 2 It also includes a motor 21, a transmission assembly 22 that cooperates with the motor 21, and a limit plate 23 that cooperates with the transmission assembly 22. The motor 21 and the transmission assembly 22 are installed in the installation groove 31. The shell 3 is provided with a sliding groove 32 that slides with the limit plate 23 on the side facing the mounting frame 11. The limit plate 23 is provided with a locking block 231. The mounting frame 11 is provided with a sliding mouth 111 for the locking block 231 to move back and forth. The locking block 231 protrudes from the sliding mouth 111 and is located between the pull hook 12 and the lock hook 13, and is used to limit the pull hook 12.

[0029] In the above structure, when the seat lock is locked, the locking block 231 is positioned within the unlocking swing range of the hook 12, limiting its unlocking position. When the seat lock needs to be unlocked, the motor 21 drives the limit plate 23 via the transmission assembly 22, causing the locking block 231 to move toward the locking hook 13, contacting the limit plate within the unlocking swing range of the hook 12. The hook 12 then releases the limit on the locking hook 13, unlocking the seat lock. The provision of the mounting slot 31 facilitates the installation of the motor 21 and the transmission assembly 22, while the provision of the slide slot 32 facilitates the installation of the limit plate 23. Furthermore, the unlocking device 2 has fewer parts, thereby improving assembly efficiency and reducing production costs. The provision of the slide opening 111 facilitates the locking block 231's movement through the hook 12 to limit its position and provides sufficient space for the locking block 231's displacement, thereby improving the reliability of the present invention. The motor 21 is electrically connected to a circuit board within the housing 3, which is electrically connected to the main control board of the electric vehicle or motorcycle via a connector.

[0030] In this embodiment, an abutment plate 33 is provided in the sliding groove 32 in the direction of displacement relative to the limit plate 23, and a limit opening 331 is provided on the abutment plate 33. The limit plate 23 is provided with an installation opening 232 corresponding to the limit opening 331 on the side facing the shell 3, and a limit spring 5 is installed in the installation opening 232. A through opening 233 is provided on the limit plate 23 in the direction of displacement relative to the limit plate 23, which slides with the abutment plate 33.

[0031] In the above structure, when the limit plate 23 is displaced, the two ends of the limit spring 5 cooperate with the two ends of the installation opening 232 through the two ends of the limit opening 331 to achieve abutment and limit. This can prevent the transmission assembly 22 from getting stuck when controlling the limit plate 23 to move to the end, thereby improving the reliability of the present invention and the stability of the displacement of the limit plate 23. Compared with existing structures, the adoption of the above structure can reduce the number of parts and components, thereby reducing the production cost of the present invention, facilitating the assembly of the unlocking device 2, and improving the assembly efficiency of the present invention. The provision of the through opening 233 facilitates the cooperation between the abutment plate 33 and the limit spring 5, and can limit the limit plate 23, thereby improving the stability of the displacement of the limit plate 23 and thus improving the reliability of the present invention.

[0032] In this embodiment, a connecting hole 34 connected to the slide groove 32 is provided on the inner wall of the installation groove 31, and the transmission assembly 22 includes a worm 221 that is in transmission with the motor 21, a gear set 222 that is in transmission with the worm 221, and a transmission wheel 223 that is in transmission with the gear set 222 and is located in the connecting hole 34. A movable groove 234 is provided on the limit plate 23, and an engaging tooth 235 that is engaged with the transmission wheel 223 is provided in the movable groove 234 below the installation port 232.

[0033] In the above structure, the connecting hole 34 allows the transmission wheel 223 to pass through and engage with the meshing teeth 235 on the limit plate 23, thereby enabling the motor 21 to drive the worm 221 to rotate, and the worm 221 to drive the transmission wheel 223 via the gear set 222 to rotate, thereby controlling the displacement of the limit plate 23 relative to the slide slot 32. The limit spring 5 prevents the transmission wheel 223 from disengaging from the meshing teeth 235, thereby improving the reliability of the utility model.

[0034] In this embodiment, a positioning column 41 is provided on the side of the shell cover 4 facing the housing 3 , a connecting column 35 is provided in the mounting groove 31 , and a positioning hole 351 is opened in the axial direction of the connecting column 35 to match the positioning column 41 .

[0035] In the above structure, the cooperation between the positioning column 41 and the positioning hole 351 can improve the tightness of the connection between the shell 3 and the shell cover 4, and can improve the stability of the installation of the shell cover 4, thereby improving the reliability of the utility model.

[0036] In this embodiment, a connector 36 is provided on a side of the housing 3 facing the mounting bracket 11 , and a connecting hole 112 adapted to the connector 36 is opened on the mounting bracket 11 .

[0037] In the above structure, the connection head 36 is provided to cooperate with the connection hole 112 so as to facilitate the positioning and installation of the mounting bracket 11 , thereby improving the convenience of assembly of the utility model.

[0038] In this embodiment, the locking block 231 is provided with an arc shape at one end facing the hook 12 .

[0039] By adopting the above structure, when the locking block 231 abuts against the retractor hook 12 , the wear on the retractor hook 12 can be reduced, thereby extending the service life of both.

[0040] In this embodiment, the outer end of the sliding groove 32 relative to the displacement direction of the limiting plate 23 is opened.

[0041] The above structure can facilitate the installation of the limiting plate 23 and provide sufficient displacement space for the limiting plate 23, thereby facilitating the installation of the present invention and improving the reliability of the present invention.

[0042] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications based on the above assumptions should also be regarded as within the scope of protection of the present invention.

Claims

1. A seat cushion lock that is easy to assemble, comprising a locking mechanism, the locking mechanism comprising a mounting frame, a draw hook pivotally connected to the mounting frame, a locking hook that cooperates with the draw hook to lock or unlock the seat cushion lock tongue, and a tension spring connected to the draw hook and the locking hook, characterized in that: It also includes an unlocking device, a shell is installed on the side of the mounting frame opposite to the pull hook, and a mounting slot for installing the unlocking device is provided on the shell, and a shell cover connected to the shell is provided at the slot of the mounting slot. The unlocking device also includes a motor, a transmission assembly that cooperates with the motor transmission, and a limit plate that cooperates with the transmission assembly transmission. The motor and the transmission assembly are installed in the mounting slot, and a sliding slot that cooperates with the limiting plate is provided on the side of the shell facing the mounting frame, and a locking block is provided on the limiting plate. The mounting frame is provided with a sliding port for the locking block to move back and forth. The locking block protrudes from the sliding port and is located between the pull hook and the lock hook for limiting the pull hook.

2. The seat cushion lock that is easy to assemble according to claim 1, characterized in that: An abutment plate is provided in the slide groove in the direction of displacement relative to the limit plate, a limit opening is provided on the abutment plate, a mounting opening corresponding to the limit opening is provided on the side of the limit plate facing the shell, a limit spring is installed in the mounting opening, and a through opening is provided on the limit plate in the direction of displacement relative to the limit plate, which slides and cooperates with the abutment plate.

3. The seat cushion lock that is easy to assemble according to claim 2, characterized in that: A connecting hole connected to the slide groove is provided on the inner wall of the installation groove. The transmission assembly includes a worm gear that cooperates with the motor, a gear set that cooperates with the worm gear, and a transmission wheel that cooperates with the gear set and is located in the connecting hole. A movable groove is provided on the limit plate, and meshing teeth that mesh with the transmission wheel are provided below the installation port in the movable groove.

4. The easy-to-assemble seat cushion lock according to claim 1, characterized in that: A positioning column is provided on the side of the shell cover facing the housing, a connecting column is provided in the installation groove, and a positioning hole is opened in the axial direction of the connecting column to match the positioning column.

5. The easy-to-assemble seat cushion lock according to claim 1, characterized in that: A connector is provided on one side of the shell facing the mounting frame, and a connecting hole adapted to the connector is opened on the mounting frame.

6. The easy-to-assemble seat cushion lock according to claim 1, characterized in that: The locking block is provided with an inverted arc at one end facing the draw hook.

7. The easy-to-assemble seat cushion lock according to claim 1, characterized in that: The outer end of the sliding groove relative to the displacement direction of the limiting plate is opened.

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