Cushion lock

Abstract

The utility model relates to a cushion lock, including mounting plate, lock catch mechanism and unlocking mechanism, the mounting plate is equipped with the opening that is used for the cushion bolt to insert, the lock catch mechanism includes lock plate and limit plate, lock plate and limit plate all pass through the articulated shaft and be articulated to the one side of mounting plate, the lock plate is equipped with the lock slot that corresponds to the opening position, and the lock slot is equipped with the lock catch mechanism and the unlocking mechanism. A limiting plate is arranged on one side of the mounting plate, a stop block is arranged at the position, close to the limiting plate, of the locking plate, a limiting block which abuts against and is matched with the stop block when the locking plate conducts locking operation is arranged on the limiting plate, and the unlocking mechanism can drive the limiting plate to rotate so that the limiting block can be disengaged from abutting against the stop block to achieve unlocking operation. A detection assembly is arranged in the shell and located on the movement track of the lock plate, an abutting portion is arranged on the lock plate, and when the lock plate rotates, the detection assembly is triggered by the abutting portion to send out a feedback signal. By the adoption of the technical scheme, after the cushion lock is locked or unlocked, the lock plate can touch and press the detection assembly so that the detection assembly can trigger a signal, and therefore a user can know that locking or unlocking is completed.

Description

Technical Field

[0001] The utility model relates to a seat cushion lock which can lock the seat cushion of a battery vehicle or a motorcycle onto a vehicle body. Background Art

[0002] Motorcycles and electric vehicles are common means of transportation in our daily lives. In order to facilitate users to place items, a storage space for storing items is set under the seat of the motorcycle or electric vehicle. The seat is a cover for the storage space. In order to prevent the items in the storage space from being stolen, a seat lock needs to be set between the seat and the vehicle body. The seat and the seat lock cooperate, and it is not easy to open the seat.

[0003] The existing seat cushion lock includes a shell, an opening is provided on the shell for inserting the seat cushion lock tongue, a lock mechanism cooperating with the seat cushion lock tongue is provided at the corresponding opening of the shell, and an electrically controlled unlocking mechanism cooperating with the lock mechanism is also provided in the shell, the lock mechanism includes a lock plate and a limit plate, the lock plate is hinged in the shell through a first hinge axis, the limit plate is hinged in the shell through a second hinge axis, the first hinge axis and the second hinge axis are parallel to each other, the lock plate is provided with a lock groove at the corresponding opening, the lock plate is provided with a stop block near the limit plate, the limit plate is provided with a limit block that contacts and cooperates with the stop block when the lock plate is locked, and the electrically controlled unlocking mechanism can drive the limit plate to rotate so that the limit block is separated from the contact with the stop block, thereby realizing the unlocking operation.

[0004] However, the above-mentioned seat cushion lock has no feedback signal after being locked or unlocked, resulting in no way to know whether the locking or unlocking is completed. Summary of the invention

[0005] Purpose of the utility model: In order to overcome the defects of the prior art, the utility model provides a seat cushion lock, which is provided with a detection component. After locking or unlocking, the lock plate can touch and press the detection component to make the detection component trigger a signal so that the user can know that the locking or unlocking is completed.

[0006] The technical solution of the utility model is: a seat cushion lock, including a mounting plate, a locking mechanism and an unlocking mechanism, the mounting plate is provided with an opening for inserting the seat cushion lock tongue, the locking mechanism includes a locking plate and a limiting plate, the locking plate and the limiting plate are both hinged to one side of the mounting plate through a hinge shaft, a locking groove is provided on the lock plate at a corresponding opening position, the lock plate is provided with a stop block near the limiting plate, the limiting plate is provided with a limit block that cooperates with the stop block when the lock plate is locked, and the unlocking mechanism can drive the limit plate to rotate so that the limit block is separated from the interference with the stop block to realize the unlocking operation, and also includes a shell, the shell is arranged on the other side of the mounting plate, a detection component is arranged in the shell, the detection component is located on the movement trajectory of the lock plate, the lock plate is provided with a conflicting part, and when the lock plate rotates, the detection component is triggered by the conflicting part to send a feedback signal.

[0007] By adopting the above technical solution, the lock tongue of the seat cushion can be inserted into the lock groove of the lock plate from the opening. As the lock tongue is pressed down, the lock groove of the lock plate can be driven to rotate downward, and the stop block of the lock plate rotates downward. When the lock plate is rotated to a certain angle, the limit block on the limit plate conflicts with the stop block of the lock plate, and the limit plate can limit the stop block from rotating upward. At this time, the side wall of the lock groove can resist the lock tongue, and the lock tongue cannot be separated from the lock groove, thereby locking the seat cushion. The interference part on the lock plate is preferably corresponding to the detection component, and the interference part will touch the detection component, and the detection component can feedback a signal to indicate that locking or unlocking is completed, so as to avoid users missing the lock or failing to complete the lock, resulting in the loss of items, or unable to complete the unlocking, the interference part of the lock plate is misaligned with the detection component and no longer contacts the detection component, and the detection component returns to its position.

[0008] Further configuration of the utility model: the detection component includes a micro switch, the micro switch is arranged in the shell, and a notch is provided on the shell corresponding to the position of the micro switch. When the lock plate rotates, the resistance part presses the contact of the micro switch to make the micro switch conductive.

[0009] With the above further configuration, a micro switch is used to collect signals, which has good stability, is not easily disturbed, and has sensitive sensing. The contact part touches and presses the contact of the micro switch to trigger the micro switch, making the micro switch conductive and forming a signal output.

[0010] The utility model is further configured as follows: the detection component also includes a transmission member, a mounting cavity is provided in the housing at a corresponding opening position, the micro switch and the transmission member are both arranged in the mounting cavity, and the transmission member contacts the micro switch, and when the lock plate rotates, the contacting portion presses the transmission member, and the transmission member retracts into the mounting cavity and contacts the micro switch.

[0011] With the above further arrangement, when the micro switch is not turned on, the transmission member is partially located outside the slot, and when the lock plate is reset under the action of the reset member, the abutment portion presses the transmission member to press the transmission member into the installation cavity, and the transmission member presses the contact of the micro switch to turn on the micro switch. In this way, the movement of the lock plate will not be hindered, and there is no need to open a large opening on the housing, and the waterproof performance is good.

[0012] The utility model is further configured as follows: a circuit board is provided in the shell along its vertical direction, the micro switch is electrically connected to the circuit board, a straight plug is provided on the circuit board, the straight plug is perpendicular to the circuit board, and an end of the straight plug extends outside the shell.

[0013] With the above further arrangement, the straight plug is connected to the central control unit on the electric vehicle or motorcycle to supply power to the circuit board, and the structure is compact and the layout is reasonable.

[0014] The utility model is further configured as follows: the unlocking mechanism is arranged in the shell, and the unlocking mechanism includes a motor, a driving gear and a sliding member, the motor is electrically connected to the circuit board, the driving gear rotates under the drive of the motor, the sliding member is slidably arranged on the shell, and the sliding member is provided with a rack meshing with the driving gear and a driving rod, the driving rod extends out of the shell and is located on a side of the limit plate close to the lock plate, and when the sliding member slides, the driving rod drives the limit plate to rotate so that the limit block is disengaged from the interference with the stop block.

[0015] By further configuring the above, the motor drives the driving gear to rotate, the driving gear drives the sliding member to slide away from the locking plate, the driving rod drives the limiting plate to rotate around the hinge axis, the limiting block disengages from the interference with the stop block, and the unlocking is completed. The structure is simple and the operation is convenient and quick.

[0016] The utility model is further configured as follows: the unlocking mechanism further comprises a driving gear, a driven gear and a spring, the driving gear and the driven gear are rotatably arranged in the housing via a first rotating shaft, the driving gear is provided with a first corrugated tooth on a side close to the driven gear, the driven gear is provided with a second corrugated tooth on a side close to the driving gear, the spring is sleeved on the rotating shaft, the spring presses the driving gear against the driven gear to achieve mutual meshing of the first corrugated tooth and the second corrugated tooth, the motor drives the driving gear to rotate, and the driven gear drives the driving gear to rotate.

[0017] By adopting the above-mentioned further arrangement, in the initial state, under the action of the spring, the first wave tooth and the second wave tooth can be meshed with each other to realize the circumferential linkage between the driving gear and the driven gear. The motor drives the driving gear to rotate, thereby driving the driven gear to rotate, and the driven gear drives the driving gear to rotate, thereby driving the sliding member to slide. When the sliding member slides to the extreme position, the first wave tooth will disengage from the second wave tooth. At this time, the motor continues to rotate and the driving gear will not rotate, so that the sliding member will not continue to slide. Therefore, the motor can adopt an ordinary motor, and there is no need to accurately control the rotation angle of the motor output shaft. It can also protect the motor and the transmission structure. The spring can automatically drive the driving gear to reset, so that the first wave tooth and the second wave tooth are re-engaged. The structure is simple and the design is reasonable.

[0018] The utility model is further configured as follows: a slide groove is provided on the shell, the sliding member is slidably arranged in the slide groove, and the side wall of the slide groove is opened so that the sliding member can slide out of the shell.

[0019] With the above further configuration, the sliding member can slide outward from the housing when unlocking, thereby reducing the length of the housing and making the occupied area small. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of a specific embodiment of the utility model;

[0021] Figure 2 It is a schematic diagram of a locking mechanism of a specific embodiment of the utility model;

[0022] Figure 3 It is a schematic diagram of the interior of the housing of a specific embodiment of the utility model;

[0023] Figure 4 It is a schematic diagram of the position of the detection component of a specific embodiment of the utility model;

[0024] Figure 5 It is a cross-sectional view of a detection assembly according to a specific embodiment of the utility model;

[0025] Figure 6 It is a schematic diagram of a housing of a specific embodiment of the utility model;

[0026] Figure 7 It is a schematic diagram of a lock plate of a specific embodiment of the utility model;

[0027] Figure 8 It is a schematic diagram of a limiting plate of a specific embodiment of the utility model;

[0028] Fig. 9 A schematic diagram of an unlocking mechanism according to a specific embodiment of the utility model;

[0029] Fig.10 A schematic diagram of the meshing of a driving gear and a driven gear in a specific embodiment of the utility model;

[0030] Fig.11 It is a schematic diagram of the corrugated teeth of a specific embodiment of the utility model;

[0031] Fig.12 It is a schematic diagram of a mounting plate according to a specific embodiment of the utility model.

[0032] In the figure, 1, mounting plate; 11, opening; 12, first fixing seat; 13, second fixing seat; 14, wire passing seat; 2, locking mechanism; 21, locking plate; 211, locking groove; 212, stop block; 213, first hook; 214, abutment; 22, limit plate; 221, limit block; 222, second hook; 23, hinge shaft; 3, unlocking mechanism; 31, motor; 311, worm; 32, driving gear; 33, sliding member; 331, rack; 332, driving rod; 34, driving gear; 341, first corrugated tooth; 35, driven gear; 351, second corrugated tooth; 36, spring; 37, worm wheel; 38, transmission gear set; 4, reset member; 5, housing; 51, circuit board; 52, straight plug; 521, plug; 53, slot; 54, slide groove; 6. Detection component; 61. Micro switch; 62. Transmission part; 63. Installation cavity. DETAILED DESCRIPTION

[0033] The technical scheme in this embodiment will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] It should be noted that in the description of the present utility model, all directional indications (such as up, down, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0035] In addition, the descriptions of "first", "second", etc. in the present invention are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. In the description of the present invention, the meaning of "several" is at least two, such as two, three, etc., unless otherwise clearly and specifically limited.

[0036] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that technical personnel in this field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0037] like Figure 1-12As shown, a seat cushion lock comprises a mounting plate 1, a locking mechanism 2 and an unlocking mechanism 3, wherein the mounting plate 1 is provided with an opening 11 for inserting the seat cushion lock tongue, the locking mechanism 2 comprises a locking plate 21 and a limiting plate 22, the locking plate 21 and the limiting plate 22 are both hinged to one side of the mounting plate 1 through a hinge shaft 23, the two hinge shafts 23 are arranged in parallel, a locking groove 211 is arranged at a position corresponding to the opening 11 on the locking plate 21, a stop block 212 is arranged near the limit plate 22, a limit block 221 is arranged on the limit plate 22 for contacting and cooperating with the stop block 212 when the locking plate 21 is locked, and the unlocking mechanism 3 can drive the limit plate 22 to rotate so that the limit block 221 is out of contact with the stop block 212, thereby realizing the unlocking operation. , a first fixing seat 12 is integrally extended from the upper left end of the mounting plate 1 toward the direction of the housing 5, a second fixing seat 13 is integrally extended from the upper right end of the mounting plate 1 away from the housing 5, a positioning portion for connecting an external pull rope is also extended from the lower left end of the limiting plate 22, a wire passing seat 14 is extended from the lower left end of the mounting plate 1, a through hole is provided on the wire passing seat 14 for passing the external pull rope, and a reset member 4 for driving the limiting plate 22 and the locking plate 21 to reset to the locked position is also included, the reset member 4 is a tension spring, a first hook 213 is provided on the locking plate 21, a second hook 222 is provided on the limiting plate 22, one end of the tension spring is hooked on the first hook 213, and the other end of the tension spring is hooked on the second hook 222, and a housing 5 is also included, the housing 5 A detection component 6 is arranged in the housing 5 on the other side of the mounting plate 1. The detection component 6 is located on the movement track of the lock plate 21. The lock plate 21 is provided with a resistance part 214. When the lock plate 21 rotates, the detection component 6 is triggered by the resistance part 214 to send a feedback signal. When the lock plate rotates, the lock plate can be rotated and unlocked under the drive of the unlocking mechanism, or the lock plate can be in the unlocking position and rotated under the drive of the reset member 4 to cooperate with the limit plate 22 to achieve locking. The preferred embodiment of the present application is that when locking, the resistance part touches the detection component to trigger signal feedback, and the lock tongue of the seat cushion can be inserted into the lock groove 211 of the lock plate 21 from the opening 11. As the lock tongue is pressed downward, the lock groove 211 of the lock plate 21 can be driven to rotate downward. The stop block 212 of the lock plate 21 rotates downward. When the lock plate 21 rotates to a certain angle, the limit block 221 on the limit plate 22 contacts and cooperates with the stop block 212 of the lock plate 21. The limit plate 22 can limit the stop block 212 to rotate upward. At this time, the side wall of the lock groove 211 can resist the lock tongue, and the lock tongue cannot be separated from the lock groove 211, thereby locking the seat cushion. The contact part 214 on the lock plate 21 corresponds to the detection component 6, and the contact part 214 will touch and press the detection component 6. The detection component 6 can feedback a signal to indicate that the locking is completed, thereby preventing the user from missing the lock or failing to complete the locking, resulting in the loss of items. When the contact part 214 of the lock plate 21 is misaligned with the detection component 6, it no longer contacts the detection component 6, and the detection component 6 returns to its position.

[0038] The detection component 6 includes a micro switch 61, which is arranged in the housing 5, and a notch is provided on the housing 5 corresponding to the position of the micro switch 61. When the lock plate 21 is reset under the drive of the reset member 4, the resistance part 214 touches and presses the contact of the micro switch 61 to form the conduction of the micro switch 61. The micro switch 61 is used to collect signals, which has good stability, is not easily interfered with, and has sensitive sensing. The resistance part 214 touches and presses the contact of the micro switch 61 to trigger the micro switch 61, so that the micro switch 61 is turned on to form a signal output. The detection assembly 6 also includes a transmission member 62, which is preferably arranged with a steel ball, which is more labor-saving and can reduce wear. Of course, a transmission rod or a transmission block can also be used. A mounting cavity 63 is provided in the housing 5 at a position corresponding to the opening 11. The microswitch 61 and the transmission member 62 are both arranged in the mounting cavity 63, and the transmission member 62 conflicts with the contact of the microswitch 61. When the lock plate 21 rotates, the conflicting portion 214 presses the transmission member 62, and the transmission member 62 retracts into the mounting cavity 63 and contacts the microswitch 61. When the microswitch 61 is not turned on, part of the transmission member 62 is located outside the notch. When the lock plate 21 rotates, the conflicting portion 214 presses the transmission member 62, and presses the transmission member 62 into the mounting cavity 63. The transmission member 62 presses the contact of the microswitch 61 to turn on the microswitch 61. In this way, the movement of the lock plate 21 will not be hindered, and there is no need to open a larger opening 11 on the housing 5, and the waterproof performance is good.

[0039] A circuit board 51 is provided in the shell 5 along its vertical direction, the micro switch 61 is electrically connected to the circuit board 51, a straight plug 52 is provided on the circuit board 51, the straight plug 52 is perpendicular to the circuit board 51, the end of the straight plug 52 extends to the outside of the shell 5, the straight plug 52 extends from the right side of the shell 5, a slot 53 is provided in the shell 5, an insert 521 is provided on the outer periphery of the straight plug 52, the insert 521 is inserted in the slot 53, so that the structure of the straight plug 52 is more stable, the straight plug 52 is connected to the central control part of the electric vehicle or motorcycle to supply power to the circuit board 51, and the structure is compact and the layout is reasonable.

[0040] The unlocking mechanism 3 is arranged in the shell 5, and the unlocking mechanism 3 includes a motor 31, a driving gear 32 and a sliding member 33. The driving gear 32 is arranged in the shell 5 through a mounting shaft. The motor 31 is electrically connected to the circuit board 51. The driving gear 32 rotates under the drive of the motor 31. The sliding member 33 is slidably arranged on the shell 5, and a rack 331 and a driving rod 332 engaged with the driving gear 32 are provided on the sliding member 33. The driving rod 332 extends out of the shell 5 and is located on a side of the limit plate 22 close to the lock plate 21. When the sliding member 33 slides, the driving rod 332 drives the limit plate 22 to rotate so that the limit block 221 is separated from the interference with the stop block 212. The motor 31 drives the driving gear 32 to rotate, and the driving gear 32 drives the sliding member 33 to slide in a direction away from the lock plate 21. The driving rod 332 drives the limit plate 22 to rotate around the hinge shaft 23, and the limit block 221 is separated from the interference with the stop block 212. At this time, the unlocking is completed, the structure is simple, and the operation is convenient and fast. The housing 5 is provided with a slide groove 54, in which the sliding member 33 is slidably disposed. The side wall of the slide groove 54 is open so that the sliding member 33 can slide out of the housing 5. When unlocked, the sliding member 33 can slide out of the housing 5, thereby reducing the length of the housing 5 and making the occupied area small.

[0041] The unlocking mechanism 3 further includes a driving gear 34, a driven gear 35 and a spring 36. The driving gear 34 and the driven gear 35 are rotatably arranged in the housing 5 via the first rotating shaft. The driving gear 34 is provided with a first wave tooth 341 on a side close to the driven gear 35, and the driven gear 35 is provided with a second wave tooth 351 on a side close to the driving gear 34. The spring 36 is sleeved on the first rotating shaft. The spring 36 pushes the driving gear 34 against the driven gear 35 to achieve mutual meshing of the first wave tooth 341 and the second wave tooth 351. The motor 31 drives the driving gear 34 to rotate, and the driven gear 35 drives the driving gear 32 to rotate. In the initial state, under the action of the spring 36, the first wave tooth 341 and the second wave tooth 351 can be meshed with each other to achieve the driving gear 3 4 is circumferentially linked with the driven gear 35, the motor 31 drives the driving gear 34 to rotate, thereby driving the driven gear 35 to rotate, and the driven gear 35 then drives the driving gear 32 to rotate, thereby driving the sliding member 33 to slide, when the sliding member 33 slides to the limit position, the first wave tooth 341 will disengage from the second wave tooth 351, at this time the motor 31 continues to rotate, the driving gear 32 will not rotate, so that the sliding member 33 will not continue to slide, so the motor 31 can use an ordinary motor 31, there is no need to accurately control the rotation angle of the output shaft of the motor 31, and the motor 31 and the transmission structure can be protected, the spring 36 can automatically drive the driving gear 34 to reset, so that the first wave tooth 341 and the second wave tooth 351 are re-engaged, the structure is simple, and the design is reasonable. The unlocking mechanism 3 also includes a worm wheel 37, which is rotatably arranged in the housing 5 via a second rotating shaft. The second rotating shaft is parallel to the first rotating shaft. A worm 311 is linked to the output shaft of the motor 31. The worm 311 meshes with the worm wheel 37. The worm wheel 37 drives the driving gear 34 to rotate via a transmission gear set 38. The transmission gear set 38 includes several transmission gears meshing with each other.

Claims

1. A seat cushion lock, comprising a mounting plate (1), a locking mechanism (2) and an unlocking mechanism (3), wherein the mounting plate (1) is provided with an opening (11) for inserting a seat cushion lock tongue, the locking mechanism (2) comprises a locking plate (21) and a limiting plate (22), the locking plate (21) and the limiting plate (22) are both hinged to one side of the mounting plate (1) via a hinge shaft (23), a locking groove (211) is provided on the locking plate (21) at a position corresponding to the opening (11), the locking plate (21) is provided with a stop block (212) near the limiting plate (22), the limiting plate (22) is provided with a limit block (221) which abuts against the stop block (212) when the locking plate (21) is locked, the unlocking mechanism (3) can drive the limit plate (22) to rotate so that the limit block (221) is out of contact with the stop block (212), thereby realizing an unlocking operation, characterized in that: The invention also comprises a housing (5), the housing (5) being arranged on the other side of the mounting plate (1), a detection component (6) being arranged inside the housing (5), the detection component (6) being arranged on the movement track of the locking plate (21), a resistance part (214) being arranged on the locking plate (21), and when the locking plate (21) rotates, the detection component (6) is triggered by the resistance part (214) and emits a feedback signal.

2. The seat cushion lock according to claim 1, characterized in that: The detection assembly (6) comprises a micro switch (61), the micro switch (61) being arranged in the housing (5), and a notch being arranged on the housing (5) at a position corresponding to the micro switch (61), and when the lock plate (21) rotates, the abutment portion (214) contacts and presses a contact of the micro switch (61), thereby causing the micro switch (61) to be turned on.

3. The seat cushion lock according to claim 2, characterized in that: The detection assembly (6) further comprises a transmission member (62); a mounting cavity (63) is provided in the housing (5) at a position corresponding to the opening (11); the micro switch (61) and the transmission member (62) are both arranged in the mounting cavity (63); the transmission member (62) abuts against a contact of the micro switch (61); when the lock plate (21) rotates, the abutting portion (214) presses against the transmission member (62); the transmission member (62) retracts into the mounting cavity (63) and abuts against the contact of the micro switch (61).

4. The seat cushion lock according to claim 2 or 3, characterized in that: A circuit board (51) is provided in the housing (5) along its vertical direction, the micro switch (61) is electrically connected to the circuit board (51), a straight plug (52) is provided on the circuit board (51), the straight plug (52) is perpendicular to the circuit board (51), and an end of the straight plug (52) extends outside the housing (5).

5. The seat cushion lock according to claim 4, characterized in that: The unlocking mechanism (3) is arranged in the housing (5), and comprises a motor (31), a driving gear (32) and a sliding member (33). The motor (31) is electrically connected to the circuit board (51). The driving gear (32) rotates under the drive of the motor (31). The sliding member (33) is slidably arranged on the housing (5), and the sliding member (33) is provided with a rack (331) meshing with the driving gear (32) and a driving rod (332). The driving rod (332) extends out of the housing (5) and is located on a side of the limiting plate (22) close to the locking plate (21). When the sliding member (33) slides, the driving rod (332) drives the limiting plate (22) to rotate so that the limiting block (221) is separated from the interference with the stop block (212).

6. The seat cushion lock according to claim 5, characterized in that: The unlocking mechanism (3) further comprises a driving gear (34), a driven gear (35) and a spring (36). The driving gear (34) and the driven gear (35) are rotatably arranged in the housing (5) via a first rotating shaft. The driving gear (34) is provided with a first wave tooth (341) on a side close to the driven gear (35). The driven gear (35) is provided with a second wave tooth (351) on a side close to the driving gear (34). The spring (36) is sleeved on the first rotating shaft. The spring (36) presses the driving gear (34) against the driven gear (35) to achieve mutual meshing of the first wave tooth (341) and the second wave tooth (351). The motor (31) drives the driving gear (34) to rotate, and the driven gear (35) drives the driving gear (32) to rotate.

7. The seat cushion lock according to claim 5 or 6, characterized in that: The housing (5) is provided with a slide groove (54), the sliding member (33) is slidably arranged in the slide groove (54), and the side wall of the slide groove (54) is open to allow the sliding member (33) to slide out of the housing (5).

Images