Cushion lock
By introducing a sensing device into the seat lock, the lock hook status is sensed and the status is displayed on the electric vehicle or motorcycle screen, which solves the problem of lack of status prompts in existing seat locks and improves anti-theft performance and ease of use.
Patent Information
- Application Number
- CN202422643236.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-10-30
AI Technical Summary
The existing seat cushion lock lacks a status prompt function and cannot prompt the driver whether the seat cushion lock is in a locked state or an unlocked state, thereby reducing the anti-theft performance.
A seat lock including a locking mechanism, an unlocking device and a sensing device is designed. The state of the lock hook is sensed through the cooperation of the circuit board, connector, movable part, abutment part and return spring in the sensing device, and the state of the lock hook is displayed on the screen of the electric vehicle or motorcycle to remind the user of the lock status.
The anti-theft performance of the seat lock is improved, the convenience and comfort of the user are enhanced, and the assembly convenience and reliability are improved.
Smart Images
Figure CN223355748U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vehicle accessories, in particular to a seat cushion lock. 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 locking hook. Existing seat locks lack a status indicator, meaning they can't tell the driver whether the seat lock is locked or unlocked, reducing their anti-theft capabilities. Utility Model Content
[0004] In view of the above problems, the purpose of the present invention is to provide a seat cushion lock with a status prompt function to improve the anti-theft performance.
[0005] In view of the above problems, the following technical solutions are provided: a seat cushion lock, comprising a locking mechanism and an unlocking device in linkage with the locking mechanism, the locking mechanism comprising a mounting frame, a draw hook pivotally connected to the mounting frame, a lock hook in linkage with the draw hook to lock or unlock the seat cushion lock tongue, and a tension spring connected to the draw hook and the lock hook, and also comprising a sensing device, the mounting frame is mounted with a shell, the shell is provided with a shell cover at one end of the shell opposite to the mounting frame, a receiving groove is provided in the shell, and the sensing device comprises a circuit board located in the shell, a connector electrically connected to the circuit board, a movable part slidingly matched with the shell, and a An abutment member linked to the movable member and a reset spring abutting against the movable member, the movable member including a slider, a top rod connected to the slider and arranged toward the mounting frame, and a fixed column arranged opposite to the top rod, the circuit board is provided with a first contact and a second contact electrically connected to the connector, the abutment member is connected to the side of the slider facing the circuit board, and is used to connect or disconnect the first contact and the second contact, a through hole for the top rod to pass through is provided at a position corresponding to the top rod on the mounting frame, a mounting hole for installing the reset spring is provided on the fixed column, and the reset spring abuts against the shell cover.
[0006] In the above structure, the connector is connected to the main unit of the electric vehicle or motorcycle through wiring. When the seat lock is in the unlocked state, the lock hook and the pull hook are connected to one end of the tension spring and swing toward each other. After the lock hook swings, the movable part is driven by the elastic force of the reset spring to move in the axial direction relative to the through hole, thereby driving the abutment to move. After the reset spring completely releases the elastic force, the abutment abuts against the first contact and the second contact, so that the first contact and the second contact are connected, thereby realizing signal transmission, and the seat is displayed on the screen of the electric vehicle or motorcycle. The lock unlock icon reminds the user that the seat lock is in the unlocked state; when the user closes the seat, the lock tongue at the bottom of the seat is engaged with the lock hook, and the lock hook and the pull hook are connected to one end of the tension spring and swing in opposite directions. The pull hook limits the lock hook, and the unlocking device limits the pull hook. When the lock hook swings, it presses the push rod back into the through hole, and then the movable part drives the abutment part to reset, so that the first contact is disconnected from the second contact, and the seat lock unlock icon displayed on the screen of the electric vehicle or motorcycle goes out, which can inform the user that the seat lock is locked. By providing a sensing device, it is easy for the user to know, thereby improving the anti-theft performance of the utility model and improving the convenience and comfort of the user. By providing a fixed column, the installation of the reset spring is facilitated, thereby improving the convenience of assembly of the utility model. By providing a through hole, the lock hook and the push rod can be easily matched, thereby improving the reliability of the utility model.
[0007] The utility model is further configured such that a mounting opening for mounting an abutment member is provided on the slider, sliding openings are provided on both sides of the abutment member, limit blocks cooperating with the sliding openings are provided on both sides of the mounting opening, and an abutment spring cooperating with the abutment member is provided in the mounting opening.
[0008] In the above structure, by setting the sliding mouth and cooperating with the limit block, the abutment member and the slider can be easily engaged, and by setting the sliding mouth and cooperating with the elastic force of the abutment spring, the abutment member can be displaced back and forth in the axial direction relative to the mounting mouth, thereby improving the stability of the displacement of the abutment member and improving the reliability of the conduction between the first contact and the second contact.
[0009] The present invention is further configured such that a protrusion on one side of the abutting member facing the circuit board is provided with contacts corresponding to the first contact point and the second contact point.
[0010] In the above structure, the provision of the contacts can facilitate better matching of the abutting member with the first contact point and the second contact point, thereby improving the reliability of the utility model.
[0011] The utility model is further configured such that a sealing sleeve is sleeved on the push rod and the end portion is embedded in the shell.
[0012] In the above structure, the sealing sleeve is provided to improve the sealing between the push rod and the housing, thereby improving the waterproof performance of the utility model and improving the reliability of the utility model.
[0013] The present invention is further configured such that an arcuate through groove is provided in the hole on the shell body that is adapted to the push rod relative to the axial direction thereof.
[0014] The above structure can prevent the ejector rod from being blocked in the housing, thereby improving the reliability of the utility model.
[0015] The present invention is further configured such that a limiting plate is provided in the accommodating groove, and the limiting plate cooperates with the inner wall of the accommodating groove to form a movable space for displacement of the movable part.
[0016] In the above structure, the movable part can be limited by providing the limiting plate, and the stability of the displacement of the movable part can be improved, thereby improving the reliability of the utility model.
[0017] The present invention is further configured such that a guide block arranged obliquely upward is provided on the lock hook at a position relative to the through hole.
[0018] In the above structure, the provision of the guide block can facilitate the locking hook to press the guide rod into the through hole, thereby improving the reliability of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 .
[0020] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 .
[0021] Figure 3 It is a schematic cross-sectional structural diagram of the present utility model.
[0022] Figure 4 This is a schematic diagram of the split structure of the utility model.
[0023] Figure 5 This is a schematic diagram of the structure of the present invention without the draw hook and the lock hook installed.
[0024] Figure 6 It is a structural schematic diagram of the sensing device in the present utility model.
[0025] Figure 7 It is a schematic diagram of the structure inside the shell of the present invention.
[0026] Figure 8 It is a schematic structural diagram of the cooperation between the abutting member and the movable member in the present utility model.
[0027] Figure 9 It is a structural diagram of the abutting part and the movable part in the utility model.
[0028] The meaning of the numbers in the figure are: 1-locking mechanism; 2-unlocking device; 11-mounting frame; 12-pull hook; 13-locking hook; 14-tension spring; 3-sensing device; 4-housing; 5-housing cover; 41-accommodating groove; 31-circuit board; 32-connector; 33-movable part; 34-abutment part; 35-reset spring; 331-slider; 332-lift rod; 333-fixing column; 311-first contact; 312-second contact; 111-through hole; 3331-mounting hole; 3311-mounting opening; 341-sliding opening; 3312-limiting block; 6-abutment spring; 342-contact; 7-sealing sleeve; 42-arc-shaped through groove; 43-limiting plate; 131-guide block. DETAILED DESCRIPTION
[0029] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0030] 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.
[0031] like Figures 1 to 9The seat lock shown in the figure includes a locking mechanism 1 and an unlocking device 2 that cooperates with the locking mechanism 1. The locking mechanism 1 includes 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. It also includes a sensing device 3. A shell 4 is installed on the mounting frame 11, and a shell cover 5 is provided at one end of the shell 4 opposite to the mounting frame 11. A accommodating groove 41 is provided in the shell 4. The sensing device 3 includes a circuit board 31 located in the shell 4, a connector 32 electrically connected to the circuit board 31, a movable part 33 that slides with the shell 4, an abutment part 34 that cooperates with the movable part 33, and a contact part 34 that cooperates with the movable part 33. The movable part 33 includes a slider 331, a push rod 332 connected to the slider 331 and arranged toward the mounting frame 11, and a fixed column 333 arranged opposite to the push rod 332. The circuit board 31 is provided with a first contact 311 and a second contact 312 electrically connected to the connector 32. The abutment member 34 is connected to the side of the slider 331 facing the circuit board 31, and is used to connect or disconnect the first contact 311 and the second contact 312. A through hole 111 for the push rod 332 to pass through is provided at a position on the mounting frame 11 corresponding to the push rod 332. A mounting hole 3331 for mounting the reset spring 35 is provided on the fixed column 333. The reset spring 35 is in abutment with the shell cover 5.
[0032] In the above structure, the connector 32 is connected to the main body of the electric vehicle or motorcycle through wiring. When the seat lock is in the unlocked state, the lock hook 13 and the end of the tension spring 14 connected to the pull hook 12 swing toward each other. After the lock hook 13 swings, the movable part 33 is driven by the elastic force of the return spring 35 to move in the axial direction relative to the through hole 111, thereby driving the abutment 34 to move. After the return spring 35 completely releases the elastic force, the abutment 34 abuts against the first contact 311 and the second contact 312, so that the first contact 311 and the second contact 312 are conductive, realizing signal transmission, and the screen of the electric vehicle or motorcycle displays the seat. The unlocked seat lock icon reminds the user that the seat lock is unlocked. When the user closes the seat, the locking tongue at the bottom of the seat engages with the lock hook 13. The lock hook 13 and the end of the tension spring 14 connected to the pull hook 12 swing in opposite directions. The pull hook 12 limits the lock hook 13, and the unlocking device 2 limits the pull hook 12. When the lock hook 13 swings, it presses the push rod 332 back into the through hole 111, and the movable part 33 drives the abutment part 34 to reset, disconnecting the first contact 311 from the second contact 312. The unlocked seat lock icon displayed on the screen of the electric vehicle or motorcycle goes out, notifying the user that the seat lock is locked. The provision of the sensing device 3 makes it easier for the user to know, thereby improving the anti-theft performance of the utility model and enhancing the convenience and comfort of the user. The provision of the fixing column 333 facilitates the installation of the reset spring 35, thereby improving the convenience of assembly of the utility model. The provision of through-hole 111 facilitates the mating of locking hook 13 and ejector rod 332, thereby improving the reliability of the present invention. The drive motor of unlocking mechanism 2 is electrically connected to circuit board 31, integrating its electrical connection points with sensing mechanism 3 on the same circuit board 31, thereby reducing the overall size of the present invention and facilitating installation.
[0033] In this embodiment, an installation opening 3311 for installing the abutment member 34 is provided on the slider 331, and sliding openings 341 are provided on both sides of the abutment member 34. Limiting blocks 3312 that cooperate with the sliding openings 341 are provided on both sides of the installation opening 3311, and an abutment spring 6 that abuts and cooperates with the abutment member 34 is provided in the installation opening 3311.
[0034] In the above structure, by setting the sliding mouth 341 and cooperating with the limit block 3312, the abutment 34 and the slider 331 can be easily engaged with each other, and by setting the sliding mouth 341 and cooperating with the elastic force of the abutment spring 6, the abutment 34 can be displaced back and forth in the axial direction relative to the mounting mouth 3311, thereby improving the stability of the displacement of the abutment 34 and improving the reliability of the conduction between the first contact 311 and the second contact 312.
[0035] In this embodiment, a contact 342 corresponding to the first contact point 311 and the second contact point 312 is provided on a protruding side of the abutting member 34 facing the circuit board 31 .
[0036] In the above structure, the contact 342 is provided to facilitate better matching of the abutting member 34 with the first contact point 311 and the second contact point 312 , thereby improving the reliability of the present invention.
[0037] In this embodiment, a sealing sleeve 7 is sleeved on the push rod 332 , with an end portion embedded in the housing 4 .
[0038] In the above structure, the sealing sleeve 7 is provided to improve the sealing between the push rod 332 and the housing 4, thereby improving the waterproof performance of the utility model and improving the reliability of the utility model.
[0039] In this embodiment, an arc-shaped through groove 42 is formed in the hole on the housing 4 that is adapted to the push rod 332 relative to the axial direction thereof.
[0040] The above structure can prevent the ejector pin 332 from being blocked in the housing 4, thereby improving the reliability of the present invention.
[0041] In this embodiment, a limiting plate 43 is provided in the accommodating groove 41 , and the limiting plate 43 cooperates with the inner wall of the accommodating groove 41 to form a movable space for the movable member 33 to move.
[0042] In the above structure, the limiting plate 43 is provided to limit the movable member 33 , thereby improving the stability of the displacement of the movable member 33 and improving the reliability of the present invention.
[0043] In this embodiment, a guide block 131 is provided on the locking hook 13 at a position opposite to the through hole 111 and is arranged obliquely upward.
[0044] In the above structure, the guide block 131 is provided to facilitate the locking hook 13 to press the guide rod into the through hole 111 , thereby improving the reliability of the present invention.
[0045] 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, comprising a locking mechanism and an unlocking device that cooperates therewith, the locking mechanism comprising a mounting frame, a draw hook pivotally connected to the mounting frame, a lock 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 lock hook, characterized in that: The cam is secured to a position adjacent to the mounting bracket and has a latching mechanism configured to engage with the latching mechanism, the latching mechanism comprising a first latch, a second latch being secured to the mounting bracket and a second latching mechanism configured to engage with the first and second mounting brackets.
2. A seat cushion lock according to claim 1, characterized in that: The slider is provided with an installation opening for installing the abutment member, and sliding openings are provided on both sides of the abutment member. Limiting blocks cooperating with the sliding openings are provided on both sides of the installation opening, and an abutment spring cooperating with the abutment member is provided in the installation opening.
3. A seat cushion lock according to claim 2, characterized in that: A side of the abutting member facing the circuit board is protruded and provided with contacts corresponding to the first contact point and the second contact point.
4. The seat cushion lock according to claim 1, characterized in that: The push rod is sleeved with a sealing sleeve with an end portion embedded in the shell.
5. The seat cushion lock according to claim 1, characterized in that: An arc-shaped through groove is provided in the hole on the shell body which is matched with the push rod and is relative to the axial direction of the hole.
6. The seat cushion lock according to claim 1, characterized in that: A limiting plate is provided in the accommodating groove, and the limiting plate cooperates with the inner wall of the accommodating groove to form a movable space for the movable part to move.
7. The seat cushion lock according to claim 1, characterized in that: A guide block arranged obliquely upward is provided on the lock hook at a position opposite to the through hole.