Clamping and locking seat cushion lock

Abstract

The utility model relates to a seat cushion lock, in particular to a clamping and locking seat cushion lock which comprises a lock hook which is arranged in a swinging mode in the front-back direction and provided with a first torsion spring and a driving block, and further comprises a limiting supporting foot which is arranged in a swinging mode in the front-back direction and provided with a second torsion spring. In the front-back direction, the limiting supporting foot and the lock hook are matched to clamp the locked object, the unlocking force drives the lock hook to swing backwards to release the locked object, the limiting supporting foot pushes the locked object to move forwards on the rear side, and the situation that the lock hook returns to lock the locked object again is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a seat pad lock, especially a seat pad lock of clamping locking. BACKGROUND

[0002] The existing seat pad lock adopts a lock hook to hook a locking object, the lock hook is provided with a torsional spring to keep the locking state, when unlocking, the lock hook is driven to swing to release the locking object, wherein the torsional force of the torsional spring can make the lock hook reset, if the locking object does not displace after unlocking, the lock hook will hook the locking object again after resetting due to the disappearance of the unlocking force. SUMMARY

[0003] In view of the technical problems in the background art, the utility model aims at providing a seat pad lock of clamping locking, the locking object will displace when the limiting leg drives the locking object to displace when the lock hook swings to unlock, avoiding the lock hook resetting the locking object again.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: the seat pad lock of clamping locking, including the lock hook, the lock hook swings and sets along the front and back directions, the lock hook is equipped with the first torsional spring and the driving block, wherein, still including the limiting leg, the limiting leg swings and sets along the front and back directions, the limiting leg is equipped with the second torsional spring, the limiting leg and the lock hook cooperate and clamp the locking object in the front and back directions.

[0005] In this scheme, the unlocking force drives the lock hook to swing away from the locking object, the limiting leg pushes the locking object to displace in the front and back directions, avoiding the lock hook resetting the locking object again.

[0006] Preferably, the limiting leg has a locking position and a release position, the limiting leg swings between the locking position and the release position, the limiting leg has a limiting rod, the lock hook has a locking surface, the second torsional spring is located on the front side of the first torsional spring, when the limiting leg is located at the locking position, the locking surface is located on the front side of the limiting rod, when the limiting leg is located at the release position, the locking surface is located on the rear side of the limiting rod.

[0007] In this scheme, the unlocking force drives the lock hook to swing away from the locking object, the limiting leg pushes the locking object to displace in the front and back directions, avoiding the lock hook resetting the locking object again.

[0008] Preferably, the mounting frame is further provided with a mounting protrusion opposite to each other, the second torsional spring is sleeved on the mounting protrusion, and the second torsional spring is connected with the limiting leg.

[0009] In this scheme, the structure is compact.

[0010] Preferably, the mounting frame is further provided with a mounting protrusion opposite to each other, the second torsional spring is sleeved on the mounting protrusion, and the second torsional spring is connected with the limiting leg.

[0011] In this scheme, the second torsion spring is convenient to install.

[0012] Preferably, the driving block is arranged to move left and right, the driving block has a driving slope, the hook end is matched with the driving slope, the hook is located at the front side of the driving block, the mounting frame is provided with a baffle, and the baffle is located at the rear side of the driving block.

[0013] In this scheme, the hook and the baffle clamp the driving block under the torsion of the first torsion spring, and the hook and the driving block reliably abut.

[0014] Preferably, the mounting frame is provided with a rotating swing arm, the swing arm has a vertical rotation center line, the swing arm extends a driving part, the driving block is provided with a driving hole for the driving part to extend into, and the driving hole hole wall is matched with the driving part.

[0015] In this scheme, the swing arm rotates to drive the driving block to move left and right.

[0016] Preferably, a reset spring is arranged between the mounting frame and the driving block.

[0017] In this scheme, the reset spring resets the driving block, and avoids insufficient torsion of the first torsion spring.

[0018] The utility model discloses a beneficial effect is, the unlocking force drives the hook to release the locking object, and the limiting support foot is pushed to the locking object and moves forward in the rear side, avoids the hook and resets the object and locks again. Therefore, the utility model discloses a substantial feature and progress compared with prior art. BRIEF DESCRIPTION OF DRAWINGS

[0019] The embodiments and examples of the utility model will be described below in combination with the drawings.

[0020] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model.

[0021] Fig. 2 It is the three-dimensional structure schematic diagram of the hook in the utility model.

[0022] Fig. 3 It is the three-dimensional structure schematic diagram of the driving block in the utility model.

[0023] In the drawing: 1, hook;2, first torsion spring;3, driving block;4, limiting support foot;5, second torsion spring;6, limiting rod;7, locking surface;8, mounting frame;9, mounting shaft;10, mounting protrusion;11, driving slope;12, baffle;13, swing arm;14, driving part;15, driving hole;16, reset spring. DETAILED DESCRIPTION

[0024] Clearly, the described embodiments are merely a part of the embodiments of the present application, and are not all the embodiments of the present application, and all other embodiments obtained by a person of ordinary skill in the art without creative labor on the basis of the embodiments of the present application belong to the protection scope of the present application.

[0025] In the description of the present application, it should be understood that the positions or location relationships indicated by the terms "upper", "lower" and the like are based on the positions or location relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular position, be constructed and operated in a particular position, and therefore cannot be understood as a limitation on the present application.

[0026] In the description of the present application, the terms "first", "second", and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0027] Referring to the accompanying Figs. 1-3 , the seat lock of the embodiment of the present embodiment includes a lock hook 1, the lock hook 1 is swingably arranged in the front-rear direction, the lock hook 1 is provided with a first torsional spring 2 and a driving block 3, the driving block 3 is movably arranged in the left-right direction, the driving block 3 has a driving slope 11, the end of the lock hook 1 cooperates with the driving slope 11, the lock hook 1 is located on the front side of the driving block 3, the mounting frame 8 is provided with a baffle 12, and the baffle 12 is located on the rear side of the driving block 3.

[0028] Further comprising a mounting frame 8, the mounting frame 8 is provided with a mounting shaft 9 extending in the left-right direction, the lock hook 1 and the first torsional spring 2 are sleeved on the mounting shaft 9, the mounting frame 8 is provided with a rotating swing arm 13, the rotation center line of the swing arm 13 extends in the vertical direction, the swing arm 13 extends a driving portion 14, the driving block 3 is provided with a driving hole 15 for the driving portion 14 to extend into, the hole wall of the driving hole 15 cooperates with the driving portion 14, and the mounting frame 8 is provided with a reset spring 16 between the driving block 3.

[0029] The locking foot 4 is provided with a second torsion spring 5, the locking foot 4 is matched with the locking hook 1 to clamp and lock an object in the front-back direction, the locking foot 4 has a locking position and a releasing position, the locking foot 4 swings between the locking position and the releasing position, the locking foot 4 is provided with a limiting rod 6, the locking hook 1 is provided with a locking surface 7, the second torsion spring 5 is located at the front side of the first torsion spring 2, the locking surface 7 is located at the front side of the limiting rod 6 when the locking foot 4 is located at the locking position, the locking surface 7 is located at the rear side of the limiting rod 6 when the locking foot 4 is located at the releasing position, the mounting frame 8 is further provided with opposite mounting protrusions 10, the second torsion spring 5 is sleeved on the mounting protrusions 10, and the second torsion spring 5 is connected with the locking foot 4.

[0030] In the embodiment, when unlocking, the swing arm 13 drives the driving block 3 to move right, the driving slope 11 drives the locking hook 1 to swing back through the end of the locking hook 1, the locking foot 4 pushes the locking object to move forward under the torsion of the second torsion spring 5, after the unlocking force disappears, the first torsion spring 2 drives the locking hook 1 to reset, and the reset spring 16 drives the driving block 3 to reset, when locking, the locking object needs to be pressed to make the locking foot 4 swing back and move back into between the limiting rod 6 and the locking surface 7, after the locking force disappears, the locking foot 4 swings forward due to the torsion of the second torsion spring 5, and clamps the locking object with the locking hook 1.

[0031] The swing arm 13 can be driven by a pull rope or a motor, and the motor can rotate and reset immediately, and the same is true for the lock cylinder; the locking hook 1 does not block the swing of the locking foot 4, and the locking object is used to block the locking foot 4; and the driving slope 11 is inclined relative to the left-right direction.

[0032] The above is the preferred embodiment of the utility model, and it should be pointed out that the protection scope of the utility model is not limited to this. For those skilled in the art, on the premise of not departing from the technical range disclosed by the utility model, a plurality of improvements and decorations or equivalent replacements can be made under the premise of the same utility model concept, and it is also regarded as the protection scope of the utility model.

Claims

1. A clamping and locking seat cushion lock comprising a lock hook (1) swingably arranged in a front-rear direction, the lock hook (1) being provided with a first torsion spring (2) and a driving block (3), characterized in that: Further comprising a limiting support leg (4) swingably arranged along the front-rear direction, the limiting support leg (4) is provided with a second torsion spring (5), the limiting support leg (4) is matched with the locking hook (1) to clamp and lock an object in the front-rear direction.

2. A clamping and locking seat belt lock as claimed in claim 1, characterized in that: The limiting support leg (4) has a locking position and a releasing position, the limiting support leg (4) swings between the locking position and the releasing position, the limiting support leg (4) has a limiting rod (6), the locking hook (1) has a locking surface (7), the second torsion spring (5) is located in front of the first torsion spring (2), the locking surface (7) is located in front of the limiting rod (6) when the limiting support leg (4) is located in the locking position, and the locking surface (7) is located in the rear of the limiting rod (6) when the limiting support leg (4) is located in the releasing position.

3. A clamping and locking seat cushion lock as defined in claim 1, characterized in that: Further comprising a mounting frame (8) provided with a mounting shaft (9) extending along the left-right direction, the locking hook (1) and the first torsion spring (2) are sleeved on the mounting shaft (9).

4. A clamping detent seat cushion lock as defined in claim 3 wherein: The mounting frame (8) is further provided with opposite mounting protrusions (10), the second torsion spring (5) is sleeved on the mounting protrusions (10), and the second torsion spring (5) is connected with the limiting support leg (4).

5. A clamping detent seat cushion lock as defined in claim 3 wherein: The driving block (3) is swingably arranged along the left-right direction, the driving block (3) has a driving slope (11), the end of the locking hook (1) is matched with the driving slope (11), the locking hook (1) is located in front of the driving block (3), the mounting frame (8) is provided with a baffle (12), and the baffle (12) is located in the rear of the driving block (3).

6. A clamping detent seat cushion lock as defined in claim 5 wherein: The mounting frame (8) is provided with a swingable swing arm (13), the rotation center line of the swing arm (13) extends in the vertical direction, the swing arm (13) extends a driving portion (14), the driving block (3) is provided with a driving hole (15) for the driving portion (14) to extend into, and the hole wall of the driving hole (15) is matched with the driving portion (14).

7. A clamping detent seat cushion lock as defined in claim 5 wherein: The mounting frame (8) and the driving block (3) are provided with a reset spring (16).

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