Small-size automobile seat lock

Abstract

The utility model discloses a small-size automobile seat lock which comprises a lock body and a cover plate, a first rivet and a second rivet are arranged on the lock body, the small-size automobile seat lock further comprises a lock blade body, a stop plate and a locking plate, the lock blade body is rotatably connected to the first rivet, the stop plate and the locking plate are both rotatably connected to the second rivet, and the cover plate is fixedly connected to the lock blade body. A first limiting bend and a second limiting bend are arranged on the lock body, a first abutting portion, a second abutting portion and a third abutting portion are arranged on the cover plate, an abutting strip is arranged on the inner wall of one side of the cover plate, and the cover plate is fixedly connected with the lock body through a first rivet and a second rivet. The abutting strip, the first abutting portion, the second abutting portion and the third abutting portion abut against the lock body. According to the small-size automobile seat lock, the supporting strength between the lock body and the cover plate can be guaranteed, gaps between the lock blade body and the lock body and between the lock blade body and the cover plate can be reduced, the lock blade body is made to be close to the lock body and the cover plate, and the situation that the lock blade body shakes in the using process to generate abnormal sound or damage is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the production technical field of automobile seat lock, specifically relates to a small size automobile seat lock. BACKGROUND

[0002] In order to improve the internal storage space of domestic car, the backrest of most car rear seat is fixedly provided with corresponding seat backrest locking device, which is convenient for folding or overturning the seat to expand the luggage compartment space when needed.

[0003] According to the invention patent application with publication number CN112644348A and publication date of April 13, 2021, a kind of automobile seat backrest lock and including its automobile seat are disclosed, and the automobile seat backrest lock includes: shell;Slip block can be slid on the inner wall surface of shell, and the top end of slip block is provided with a limit part;Locking cam is rotatably installed on the inner wall surface, and the cam main body of locking cam extends outward to form first locking part, and first locking surface is formed between the first locking part and the edge of the cam main body of locking cam;Locking cam and tolerance cam are rotatably installed on the inner wall surface in up-down superposition, and locking cam is provided with a locking groove, and the side of locking groove forms lock hook part, and the other side extends outward along the main body of locking cam to form second locking part;One end of elastic component is connected to slip block, and the other end is connected to tolerance cam.The main role is: suitable for rear seat without adjusting backrest angle or needing one-key to lay down, and it can absorb the gap caused by steel wire size or position tolerance through structural improvement, thereby eliminating noise

[0004] In the prior art, the cover plate and the lock body of the small-size seat lock have a large space between the lock leaf and the cover plate and the lock body, i.e., the gap between the lock leaf and the cover plate and the lock body is large, and in actual use, the lock leaf is prone to shaking between the cover plate and the lock body, thereby causing abnormal noise. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a small-size automobile seat lock, which solves the problem of large gap between the lock leaf and the cover plate and the lock body in the prior art, and the lock leaf is prone to shaking between the cover plate and the lock body in actual use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The small-size automobile seat lock comprises a lock body and a cover plate, the lock body is provided with a first rivet and a second rivet, the lock body is provided with a lock leaf body, a stop plate and a locking plate, the lock leaf body is rotationally connected to the first rivet, the stop plate and the locking plate are both rotationally connected to the second rivet, the lock body is provided with a first limiting bend and a second limiting bend, the cover plate is provided with a first abutting portion, a second abutting portion and a third abutting portion, an inner wall on one side of the cover plate is provided with an abutting strip, and the cover plate is fixedly connected with the lock body through the first rivet and the second rivet, so that the abutting strip, the first abutting portion, the second abutting portion, the third abutting portion and the lock body abut each other.

[0008] Preferably, the cover plate is provided with a first positioning hole and a second positioning hole, the first rivet is connected in the first positioning hole, the second rivet is connected in the second positioning hole, a first limiting groove is formed in the first positioning hole in the cover plate, a first spring is arranged in the first limiting groove, a second limiting groove and a third limiting groove are formed in the second positioning hole in the cover plate, a second spring is arranged in the second limiting groove, and a third spring is arranged in the third limiting groove.

[0009] Preferably, one end of the first spring abuts in the first limiting groove, and the other end of the first spring abuts against the lock leaf body, one end of the second spring abuts in the second limiting groove, and the other end of the second spring abuts against the locking plate, one end of the third spring abuts in the third limiting groove, and the other end of the third spring abuts against the stop plate.

[0010] Preferably, a plurality of reinforcing ribs are arranged in the cover plate.

[0011] Preferably, an insertion groove is formed in the lock body and the cover plate, and a plastic-coated block is arranged in the insertion groove in the cover plate.

[0012] Preferably, a plastic-coated layer is arranged on the outer wall of the lock leaf body.

[0013] In the above technical solution, the small-size automobile seat lock has the following beneficial effects:

[0014] In the utility model, the cover plate and the lock body are connected through the first rivet and the second rivet, the abutting strip on the cover plate directly abuts against the lock body, the first abutting portion, the second abutting portion and the third abutting portion on the cover plate abut against different positions on the lock body respectively, the supporting strength between the lock body and the cover plate can be guaranteed, the structure strength of the whole lock can be guaranteed while the spacing between the lock body and the cover plate is reduced, the gap between the lock leaf body and the lock body and the cover plate is finally reduced, the lock leaf body is close to the lock body and the cover plate, and the lock leaf body is prevented from shaking, producing abnormal sound or being damaged during use. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only represent some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art based on these drawings.

[0016] Figure 1 A three-dimensional structure schematic diagram provided by the embodiment of the present application is provided.

[0017] Figure 2 A lock body structure schematic diagram provided by the embodiment of the present application is provided.

[0018] Figure 3 A whole assembly structure schematic diagram provided by the embodiment of the present application is provided.

[0019] Figure 4 A cover plate assembly structure schematic diagram provided by the embodiment of the present application is provided.

[0020] Figure 5 A lock body assembly structure schematic diagram provided by the embodiment of the present application is provided.

[0021] Figure 6 A distance schematic diagram between the lock leaf body and the lock body and the cover plate provided by the embodiment of the present application is provided.

[0022] Figure 7 A seat lock unlocking state structure schematic diagram provided by the embodiment of the present application is provided.

[0023] Explanation of reference signs:

[0024] 1, lock body; 11, first limiting bend; 12, second limiting bend; 2, cover plate; 21, first abutting portion; 22, second abutting portion; 23, third abutting portion; 24, abutting strip; 25, first positioning hole; 26, second positioning hole; 27, first limiting groove; 28, first spring; 29, second spring; 20, third limiting groove; 201, third spring; 202, reinforcing rib; 203, second limiting groove; 3, first rivet; 4, second rivet; 5, lock leaf body; 51, plastic layer; 6, stop plate; 61, abutting bend; 7, locking plate; 8, insertion groove; 81, plastic block. DETAILED DESCRIPTION

[0025] In order to make those skilled in the art better understand the technical solutions of the present application, the present application will be further described in detail with reference to the drawings.

[0026] Please refer to Figure 1—7, a small-volume car seat lock, comprising a lock body 1 and a cover plate 2. The lock body 1 is provided with a first rivet 3 and a second rivet 4, and also includes a lock leaf body 5, a stop plate 6 and a locking plate 7. The lock leaf body 5 is rotatably connected to the first rivet 3, and the stop plate 6 and the locking plate 7 are both rotatably connected to the second rivet 4. The lock body 1 is provided with a first limiting bend 11 and a second limiting bend 12. The cover plate 2 is provided with a first abutting part 21, a second abutting part 22 and a third abutting part 23. An abutting strip 24 is provided on the inner wall of one side of the cover plate 2. The cover plate 2 is fixedly connected to the lock body 1 by the first rivet 3 and the second rivet 4, so that the abutting strip 24, the first abutting part 21, the second abutting part 22 and the third abutting part 23 abut against the lock body 1.

[0027] As an embodiment provided by this utility model, such as Figure 4 As shown, a first positioning hole 25 and a second positioning hole 26 are provided on the cover plate 2. A first rivet 3 is connected to the first positioning hole 25, and a second rivet 4 is connected to the second positioning hole 26. It should be noted that a through hole is provided on the lock body 1 that matches the position of the first positioning hole 25 and the second positioning hole 26, for riveting by the first rivet 3 and the second rivet 4. The cover plate 2 and the lock body 1 can be fastened together by the first rivet 3 and the second rivet 4.

[0028] The lock leaf body 5 is rotatably connected to the first rivet 3, and the locking plate 7 and the stop plate 6 are both rotatably connected to the second rivet 4. A first limiting bend 11 and a second limiting bend 12 are provided on the outer edge of the lock body 1. A first abutting part 21, a second abutting part 22, and a third abutting part 23 are provided on the inner wall of one side of the cover plate 2. Specifically, the first abutting part 21, the second abutting part 22, and the third abutting part 23 are respectively located at different positions on the inner wall of the cover plate 2. When the cover plate 2 is fastened to the lock body 1, the first abutting part 21, the second abutting part 22, and the third abutting part 23 can abut against the inner wall of the lock body 1 at different positions. Simultaneously, the abutting strip 24 provided on the lock body 1 can directly abut against the inner wall of the cover plate 2, thereby improving the compressive strength between the lock body 1 and the cover plate 2 and increasing the overall strength of the seat lock. Figure 7 As shown, the third abutment part 23 can still abut against the lock leaf body 5 in the unlocked state, restricting the rotation of the lock leaf body 5. At the same time, the outer wall of the lock leaf body 5 is provided with a plastic coating layer 51, which produces a smaller sound when it collides with the third abutment part 23, thus reducing the abnormal noise generated during unlocking.

[0029] As a further embodiment provided by this utility model, such as Figure 4As shown, the first limiting groove 27 is arranged at the first positioning hole 25 inside the cover plate 2, the first spring 28 is arranged inside the first limiting groove 27, one end of the first spring 28 abuts against the inner wall of the first limiting groove 27, and the other end abuts against the lock leaf body 5, the first spring 28 is elastically driven to rotate the lock leaf body 5 to one side, the second limiting groove 203 and the third limiting groove 20 are arranged at the second positioning hole 26 inside the cover plate 2, the second spring 29 is arranged inside the second limiting groove 203, one end of the second spring 29 abuts against the second limiting groove 203, and the other end abuts against the locking plate 7, the second spring 29 is elastically driven to rotate the locking plate 7 to one side, the third spring 201 is arranged inside the third limiting groove 20, one end of the third spring 201 abuts against the third limiting groove 20, and the other end abuts against the stop plate 6, the third spring 201 is elastically driven to rotate the stop plate 6 to one side, and the abutting bend 61 is arranged on the outer wall of one side of the stop plate 6, under the action of the third spring 201, the stop plate 6 is driven to rotate to one side, so that the abutting bend 61 abuts against the outer wall of the locking plate 7.

[0030] As a further embodiment of the utility model provides, Figure 4 As shown, a plurality of reinforcing ribs 202 are arranged inside the cover plate 2, the reinforcing ribs 202 can increase the overall strength of the cover plate 2, prevent the cover plate 2 from being insufficient in strength after the first limiting groove 27, the second limiting groove 203 and the third limiting groove 20 are arranged, and the first spring 28, the second spring 29 and the third spring 201 are arranged inside the groove, so that the distance between the cover plate 2 and the lock body 1 can be reduced, the overall thickness of the seat lock can be reduced, the distance between the cover plate 2, the lock body 1 and the lock leaf body 5 is reduced, the seat lock is more compact, and the lock leaf body 5 is prevented from being deflected during use.

[0031] As an embodiment of the utility model, the first spring 28, the second spring 29 and the third spring 201 are all torque springs or spiral springs.

[0032] As a further embodiment of the utility model provides, Figure 5 As shown, the insertion groove 8 is arranged on the outer wall of one side of the lock body 1 and the cover plate 2, the insertion groove 8 is arranged in use, the plastic block 81 is arranged at the insertion groove 8 on the lock body 1, the plastic block 81 arranged on the lock body 1 can abut against the lock catch when the lock catch is inserted into the insertion groove 8, and the metal lock catch is prevented from directly colliding with the metal lock body 1 to emit an abnormal sound.

[0033] As a further embodiment of the utility model provides, the outer wall of the lock blade body 5 is provided with a plastic coating 51, which directly contacts the lock catch during use to prevent the lock catch of metal material from colliding with the lock blade body 5 of metal material and emitting abnormal sound.

[0034] The utility model discloses, the cover plate 2 and the lock body 1 between through first rivet 3 and second rivet 4 keep connecting, the abutting strip 24 on the cover plate 2 directly abuts with the lock body 1, and the first abutment 21, second abutment 22 and third abutment 23 on the cover plate 2 respectively with the different position on the lock body 1 abut, can guarantee the support intensity between the lock body 1 and the cover plate 2, to be able to make the lock body 1 and the cover plate 2 between interval reduce while guaranteeing the structural strength of whole lock, finally realize reducing the gap between the lock blade body 5 and the lock body 1, the cover plate 2, make the lock blade body 5 and the lock body 1, the cover plate 2 approach, prevent the lock blade body 5 from producing abnormal sound or causing damage in the process of using to shake.

[0035] Working principle:

[0036] When using, through the lock catch is inserted into the insertion slot 8 of the lock body 1 and the cover plate 2, make the lock catch and the lock blade body 5 abut, and drive the lock blade body 5 towards the lock stop plate 7, the stop plate 6 rotation;

[0037] When the lock blade body 5 rotates, because the lock stop plate 7, the stop plate 6 under the action of second spring 29 and third spring 201 towards the lock blade body 5 rotation, therefore the lock blade body 5 and the lock stop plate 7 can abut and keep locking;

[0038] When needing to unlock, through the pull rod that keeps connecting with the lock stop plate 7 pulls the lock stop plate 7 to keep rotating, and then drive the stop plate 6 that keeps rotating through the abutment bending 61, make the stop plate 6, the lock stop plate 7 all separate from the lock blade body 5, under the action of first spring 28 drive the lock blade body 5 reset.

[0039] The first spring 28, the second spring 29 and the third spring 201 mentioned in this paper meet the technical requirements of the utility model technical scheme.

[0040] Those skilled in the art can understand that other similar connection methods can also achieve the utility model. For example, welding, bonding or screwing and the like.

[0041] The above only describes certain exemplary embodiments of the utility model by way of illustration, without doubt, for ordinary skilled in the art, under the condition of not deviating from the spirit and scope of the utility model, can modify the described embodiments in various different ways. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the utility model.

Claims

1. A small volume car seat lock comprising a lock body (1) and a cover plate (2), a first rivet (3) and a second rivet (4) are provided on the lock body (1), characterized in that, Also include the lock leaf body (5), the stop plate (6) and the lock plate (7), the lock leaf body (5) is rotatably connected to the first rivet (3), the stop plate (6) and the lock plate (7) are rotatably connected to the second rivet (4), the lock body (1) is provided with first limiting bending (11) and second limiting bending (12), the cover plate (2) is provided with first abutment (21), second abutment (22) and third abutment (23), the inner wall of one side of the cover plate (2) is provided with abutment strip (24), the cover plate (2) is fixedly connected with the lock body (1) by the first rivet (3), the second rivet (4), so that the abutment strip (24), first abutment (21), second abutment (22), third abutment (23) and the lock body (1) are in abutment.

2. A small volume car seat lock according to claim 1, wherein The cover plate (2) is provided with first positioning hole (25) and second positioning hole (26), the first rivet (3) is connected with the first positioning hole (25), the second rivet (4) is connected with the second positioning hole (26), the first positioning hole (25) of the cover plate (2) is provided with first limiting slot (27), the first limiting slot (27) is provided with first spring (28), the second positioning hole (26) of the cover plate (2) is provided with second limiting slot (203) and third limiting slot (20), the second limiting slot (203) is provided with second spring (29), the third limiting slot (20) is provided with third spring (201).

3. A small volume car seat lock according to claim 2, wherein One end of the first spring (28) is in abutment with the first limiting slot (27), the other end is in abutment with the lock leaf body (5), one end of the second spring (29) is in abutment with the second limiting slot (203), the other end is in abutment with the lock plate (7), one end of the third spring (201) is in abutment with the third limiting slot (20), the other end is in abutment with the stop plate (6).

4. A low profile vehicle seat lock as defined in claim 2 wherein, The cover plate (2) is provided with a plurality of reinforcing ribs (202).

5. A low profile vehicle seat lock as defined in claim 1 wherein, The lock body (1) and the cover plate (2) are provided with insertion groove (8), the plastic block (81) is arranged in the insertion groove (8) of the cover plate (2).

6. A low profile vehicle seat lock as defined in claim 1 wherein, The outer wall of the lock leaf body (5) is provided with a plastic layer (51).

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