Lock catch mistaken unlocking prevention device and safety belt connecting system

Abstract

The utility model discloses a lock catch mistaken unlocking prevention device which comprises a lock cover, a button and an anti-dissociation assembly, and the lock cover is provided with a first unlocking opening, a second unlocking opening and an insertion opening. The button is arranged in the lock cover and comprises a pressing part, an abutting part and a locking part, and the pressing part is close to the second unlocking opening; the abutting part is arranged in the lock cover relative to the first unlocking opening; and the locking part is close to the insertion opening and has a structural form matched with the locking groove of the mortise lock. The anti-dissociation assembly is close to the abutting part and is arranged in the lock cover. The mortise lock is inserted into the insertion opening, so that the button moves along a first position facing the first side wall of the lock cover and drives the locking part to be clamped in the locking groove of the mortise lock, and the anti-dissociation assembly abuts against the abutting part to be in a locking state; the unlocking device is inserted into the first unlocking opening to enable the dissociation preventing assembly to be separated from the abutting portion, the unlocking device is inserted into the second unlocking opening to enable the button to move along a second position far away from the first side wall of the lock cover, and therefore the locking groove of the mortise lock is separated from the locking portion.

Description

Technical Field

[0001] The present application relates to the technical field of automobile safety belts, and in particular to a buckle anti-misinterpretation locking device and a safety belt connection system. Background Art

[0002] Seat belts are an indispensable and important component in the passive safety protection of automobiles. In the seat belt device, a buckle anti-misinterpretation locking device is provided at the lower fixed point of the seat belt, which can realize the separation and combination between the retractor and the lower fixed point of the vehicle body.

[0003] At present, the main method is to provide an anti-disengagement part on the housing of the lock anti-mistake locking device. When the latch lock is inserted into the lock anti-mistake locking device, the edge of the spring sheet in the anti-disengagement part abuts against the edge of the button opening side, thereby connecting the latch lock with the lock anti-mistake locking device. During the driving process of the vehicle, the housing is easily hit in the event of an improper layout or collision, causing the spring sheet installed on the housing to fail, resulting in the lock anti-mistake locking device being mis-separated from the latch lock, and the safety of the occupants cannot be guaranteed. Utility Model Content

[0004] The embodiment of the present application provides a lock buckle anti-mistake locking device to solve the problem of mis-separation of the lock buckle anti-mistake locking device and the mortise lock in the prior art. The embodiment of the present application also provides a safety belt connection system.

[0005] The present application provides a lock buckle anti-mislocking device, comprising:

[0006] The lock cover has a first unlocking opening and a second unlocking opening for unlocking the lock, which are arranged on a first side wall of the lock cover, and an insertion opening for inserting the mortise lock, which is arranged on a second side wall of the lock cover, wherein the first side wall and the second side wall of the lock cover are vertical and adjacent to each other;

[0007] a button, arranged inside the lock cover, the button comprising a pressing portion, an abutting portion and a locking portion, the pressing portion being arranged near the second unlocking port; the abutting portion being arranged inside the lock cover relative to the first unlocking port; the locking portion being arranged inside the lock cover near the insertion port, and having a structural form adapted to the locking groove of the latch;

[0008] An anti-dissociation component is arranged inside the lock cover near the abutment portion;

[0009] The lock buckle anti-mislocking device is configured as follows: the latch is inserted into the insertion port so that the button moves along a first position toward the first side wall of the lock cover, and drives the locking portion to be engaged with the locking groove of the latch, while the anti-dissociation component abuts against the abutment portion and is in a locked state; an unlocker is inserted into the first unlocking port to cause the anti-dissociation component to separate from the abutment portion, and the unlocker is inserted into the second unlocking port to cause the button to move along a second position away from the first side wall of the lock cover, so that the locking groove of the latch is separated from the locking portion and is in an unlocked state.

[0010] Optionally, the anti-dissociation component includes:

[0011] An anti-dissociation sliding seat, rotatably mounted inside the lock cover;

[0012] The torsion spring is arranged between the anti-dissociation sliding seat and the lock cover, and drives the anti-dissociation sliding seat to move toward the abutting position of the abutting portion under the action of the torsion spring.

[0013] Optionally, the anti-dissociation slide includes:

[0014] A central protrusion, which is protrudingly arranged on both end surfaces of the anti-dissociation sliding seat and is located in the middle;

[0015] A central assembly hole, penetrating the central protrusion;

[0016] An abutting end, provided on a side of the anti-dissociation sliding seat close to the abutting portion, the abutting end being in an arc shape;

[0017] A driving end, which is arranged on the other side of the anti-disengagement sliding seat relative to the abutting end, and the unlocker is inserted into the first unlocking port to contact the driving end;

[0018] The torsion spring is sleeved on the central protrusion, and two ends of the torsion spring are respectively located at the abutting end and the driving end.

[0019] Optionally, the pressing portion is a first wall of the button close to a first side wall of the lock cover,

[0020] The second wall body and the third wall body of the button are relatively connected to the two ends of the first wall body, the second wall body is an L-shaped structure, the locking portion is connected between the second wall body and the third wall body, and is parallel to the first wall body; the third wall body is a multi-stage L-shaped structure, and the multi-stage L-shaped structure has an arc that is adapted to the abutting end, called the abutting portion, and the abutting end is installed in the opening space of the multi-stage L-shaped structure.

[0021] Optionally, the locking cover comprises an upper locking cover and a lower locking cover;

[0022] The upper locking cover and the lower locking cover are buckled with each other to form the locking cover;

[0023] The first unlocking opening is arranged on the first side wall of the lower locking cover, and the second unlocking opening is arranged on the first side wall of the lower locking cover; or

[0024] The first unlocking opening is arranged on the first side wall of the lower locking cover, and the second unlocking opening is arranged on the first side wall of the upper locking cover, or

[0025] The first unlocking opening is arranged on the first side wall of the lower locking cover, and the second unlocking opening is arranged on the first side wall of the upper locking cover and the first side wall of the lower locking cover.

[0026] Optionally, the bottom wall of the lower locking cover is provided with a mounting structure for mounting the anti-dissociation assembly, and the mounting structure includes:

[0027] A limiting column, provided on the bottom wall of the lower locking cover, the limiting column being inserted into the central assembly hole;

[0028] The limiting ring is arranged around the limiting column, and the central protrusion on one end surface is sleeved in the limiting ring.

[0029] Optionally, also include:

[0030] A locking plate assembly is arranged on the lock cover, and the locking plate assembly has an internal space for inserting the latch and is used to provide support for the button.

[0031] Optionally, the locking plate assembly includes: a locking bracket, a limiting bracket, a slider spring and a slider;

[0032] The lock bracket is arranged on the lock cover, and the lock bracket has an internal space for inserting the latch, and a through hole is arranged at one end of the lock bracket close to the insertion port, and the locking part is accommodated in the through hole;

[0033] The limiting bracket is connected to the other end of the locking bracket away from the insertion port;

[0034] The slider spring is arranged between the limiting bracket and the slider, and the slider is urged to reciprocate in the insertion direction of the latch by the elastic force of the slider spring;

[0035] The locking plate assembly is configured as follows: when the latch is not inserted into the insertion port, the slider abuts against the locking portion via the slider spring; when the latch is inserted into the insertion port, the slider is driven by the latch to move along the insertion direction, so that the slider releases its support for the locking portion.

[0036] Optionally, the button also includes:

[0037] The button spring is arranged between the connecting portion of the button and the lock bracket, and under the elastic force of the button spring, the button is urged to move along the first position toward the first side wall of the lock cover.

[0038] An embodiment of the present application also provides a seat belt connection system, including a lock anti-misunderstanding locking device, a latch and a seat belt webbing, one end of the latch is connected to the lock anti-misunderstanding locking device, the other end of the latch is fixed to the vehicle body, the lock anti-misunderstanding locking device is the lock anti-misunderstanding locking device described above; a lock bracket, the lock bracket has a circular ring portion on a side away from the latch, and the seat belt webbing is fixed and / or wrapped around the circular ring portion.

[0039] Compared with the prior art, this application has the following advantages:

[0040] The embodiment of the present application provides a lock anti-mislocking device, comprising: a lock cover, a button and an anti-dissociation component, wherein the lock cover has a first unlocking port and a second unlocking port for unlocking provided on the first side wall of the lock cover, and an insertion port for inserting a mortise lock provided on the second side wall of the lock cover, and the first side wall and the second side wall of the lock cover are perpendicular and adjacent. The button is provided inside the lock cover, and the button includes a pressing portion, an abutting portion and a locking portion, wherein the pressing portion is provided near the second unlocking port; the abutting portion is provided inside the lock cover relative to the first unlocking port; the locking portion is provided near the insertion port and inside the lock cover, and the locking portion has a structural form adapted to the locking groove of the mortise lock. The anti-dissociation component is provided inside the lock cover near the abutting portion. The lock buckle anti-mislocking device is configured as follows: the latch is inserted into the insertion port so that the button moves along the first position toward the first side wall of the lock cover, and drives the locking part to be engaged with the locking groove of the latch, and at the same time the anti-dissociation component abuts against the abutment part and is in a locked state; an unlocker is inserted into the first unlocking port to cause the anti-dissociation component to separate from the abutment part, and an unlocker is inserted into the second unlocking port to cause the button to move along the second position away from the first side wall of the lock cover, so that the locking groove of the latch is separated from the locking part and is in an unlocked state.

[0041] In this embodiment, an anti-disengagement assembly is arranged on the lock cover. When the mortise lock is inserted into the insertion port, the anti-disengagement assembly abuts against the abutment portion of the button, and the anti-disengagement assembly applies a force to the button in the direction of the locking groove of the mortise lock. When a vehicle collision occurs, the anti-disengagement mechanism cooperates with the button to prevent the button from moving to the second position away from the first side wall of the lock cover, thereby avoiding the risk of the lock buckle anti-mislocking device and the mortise lock being mis-separated. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 It is a schematic structural diagram of the lock buckle anti-mislocking device provided in the first embodiment of the present application.

[0043] Figure 2This is a schematic structural diagram of the lower locking cover provided in the first embodiment of the present application.

[0044] Figure 3 A schematic structural diagram of an anti-dissociation component provided in the first embodiment of the present application at one angle.

[0045] Figure 4 This is a schematic structural diagram from another angle of the anti-dissociation component provided in the first embodiment of the present application.

[0046] Figure 5 This is a schematic structural diagram of a partial structure of the lock buckle anti-mislocking device provided in the first embodiment of the present application.

[0047] Figure 6 A schematic diagram of the structure of a button provided in the first embodiment of the present application.

[0048] Figure 7 This is a schematic structural diagram of a seat belt connection system provided in the second embodiment of the present application.

[0049] Figure 8 This is a schematic diagram of the structure of the mortise lock provided in the first embodiment of the present application.

[0050] Reference numerals:

[0051] Lock catch anti-misinterpretation locking device 100, lock cover 1, upper lock cover 11, lower lock cover 12, limiting column 13, limiting ring platform 14, first side wall 15, second side wall 16, first unlocking port 17, second unlocking port 18, insertion port 19, button 2, pressing portion 21, abutment portion 22, locking portion 23, button spring 24, first wall body 25, second wall body 26, third wall body 27, anti-dissociation component 3, anti-dissociation slide seat 31, upper center protrusion 311, lower center protrusion 312, center assembly hole 313, abutment end 314, limiting protrusion 315, driving end 316, torsion spring 32, lock catch plate assembly 4, lock catch bracket 5, limiting bracket 6, slider spring 7, slider 8, latch 9, locking groove 91. DETAILED DESCRIPTION

[0052] In order to enable relevant technical personnel in the field to better understand the purpose, technical solutions and advantages of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments.

[0053] It should be further explained that the terms in the specification, claims and the above drawings of the present application, such as when an element is said to be "on" or "connected" to another element, the element may be directly on or connected to another element, or there may be an intermediate element. In contrast, when an element is said to be "directly" "on" or "directly connected" to another element, there will be no intermediate element.

[0054] In the embodiments of the present application, the terms "first", "second", "third", etc. are used to distinguish similar objects and are not used to describe a specific order or sequence. The data used in this way are interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein. In addition, the terms "comprise", "include", "contain", etc. indicate the existence of the claimed features, but do not exclude one or more other features. Spatial relationship terms such as "upper", "lower", "left", "right", "front", "back", etc. represent the spatial position relationship between one feature and another feature in the accompanying drawings. It should be understood that the spatial relationship terms include different orientations of the device during use or operation in addition to the orientations shown in the accompanying drawings. For example, when the device in the accompanying drawings is turned upside down, the feature originally described as "below" its feature can now be described as "above" its feature.

[0055] The embodiment of the present application provides a lock buckle anti-mistake locking device to solve the problem of mis-separation of the lock buckle anti-mistake locking device and the mortise lock in the prior art. The embodiment of the present application also provides a safety belt connection system. Figure 1 It is a schematic structural diagram of the lock buckle anti-mislocking device provided in the first embodiment of the present application. Figure 2 This is a schematic structural diagram of the lower locking cover provided in the first embodiment of the present application. Figure 3 A schematic structural diagram of an anti-dissociation component provided in the first embodiment of the present application at one angle. Figure 4 This is a schematic structural diagram from another angle of the anti-dissociation component provided in the first embodiment of the present application. Figure 5 This is a schematic structural diagram of a partial structure of the lock buckle anti-mislocking device provided in the first embodiment of the present application. Figure 6 A schematic diagram of the structure of a button provided in the first embodiment of the present application. Figure 7 This is a schematic structural diagram of a seat belt connection system provided in the second embodiment of the present application. Figure 8 This is a schematic diagram of the structure of the mortise lock provided in the first embodiment of the present application.

[0056] First embodiment

[0057] like Figures 1 to 6As shown, the embodiment of the present application provides a lock anti-mislocking device 100, comprising: a lock cover 1, a button 2 and an anti-dissociation component 3, wherein the lock cover 1 has a first unlocking port 17 and a second unlocking port 18 for unlocking provided on the first side wall 15 of the lock cover 1, and an insertion port 19 for inserting the mortise lock 9 provided on the second side wall 16 of the lock cover 1, and the first side wall 15 and the second side wall 16 of the lock cover 1 are perpendicular and adjacent. The button 2 is provided inside the lock cover 1, and the button 2 includes a pressing portion 21, an abutting portion 22 and a locking portion 23, wherein the pressing portion 21 is provided near the second unlocking port 18; the abutting portion 22 is provided inside the lock cover 1 relative to the first unlocking port 17; the locking portion 23 is provided near the insertion port 19 and inside the lock cover 1, and the locking portion 23 has a structural form adapted to the locking groove 91 of the mortise lock 9. The anti-dissociation component 3 is provided inside the lock cover 1 near the abutting portion 22. The lock catch anti-misunderstanding locking device 100 is configured as follows: the latch 9 is inserted into the insertion port 19, so that the button 2 moves along the first position toward the first side wall 15 of the lock cover 1, and drives the locking portion 23 to be engaged with the locking groove 91 of the latch 9, and the anti-dissociation component 3 is abutted with the abutment portion 22 in a locked state; an unlocker is inserted into the first unlocking port 17 to cause the anti-dissociation component 3 to separate from the abutment portion 22, and an unlocker is inserted into the second unlocking port 18 to cause the button 2 to move along the second position away from the first side wall 15 of the lock cover 1, so that the locking groove 91 of the latch 9 is separated from the locking portion 23 and is in an unlocked state. The lock catch anti-misunderstanding locking device 100 also includes a lock plate assembly 4, which is arranged on the lock cover 1, and the lock plate assembly 4 has an internal space for inserting the latch 9, and is used to provide support for the button 2. The specific structure and connection method of each device of the lock catch anti-misunderstanding locking device 100 will be described as follows.

[0058] In this embodiment, the lock cover 1 includes an upper lock cover 11 and a lower lock cover 12, which are buckled together to form the lock cover 1. The lock cover 1 has a first unlocking port 17 and a second unlocking port 18 for unlocking, which are provided on a first side wall 15 of the lock cover 1. In this embodiment, the lock buckle is placed straight, and the first side wall 15 of the lock cover 1 is one side of the lock cover 1 in the vertical direction. The second side wall 16 of the lock cover 1 is provided with an insertion port 19 for inserting the mortise lock 9, and the first side wall 15 and the second side wall 16 of the lock cover 1 are vertical and adjacent.

[0059] In one example, the first unlocking opening 17 is provided on the first side wall of the lower lock cover 12, and the second unlocking opening 18 is provided on the first side wall of the lower lock cover 12. Alternatively, the first unlocking opening 17 is provided on the first side wall of the lower lock cover 12, and the second unlocking opening 18 is provided on the first side wall of the upper lock cover 11, or the first unlocking opening 17 is provided on the first side wall of the lower lock cover 12, and the second unlocking opening 18 is provided on the first side wall of the upper lock cover 11 and the first side wall of the lower lock cover 12, wherein the upper half of the second unlocking opening 18 is provided on the edge of the first side wall of the upper lock cover 11, and the lower half of the second unlocking opening 18 is provided on the edge of the first side wall of the lower lock cover 12, and the upper half of the second unlocking opening 18 and the lower half of the second unlocking opening 18 are provided opposite to each other, and when the upper lock cover 11 and the lower lock cover 12 are buckled together, the upper half of the second unlocking opening 18 and the lower half of the second unlocking opening 18 are matched to form the second unlocking opening 18.

[0060] In one example, the first unlocking port 17 is arranged on the first side wall of the upper locking cover 11 and the first side wall of the lower locking cover 12, and the second unlocking port 18 is arranged on the first side wall of the upper locking cover 11 and the first side wall of the lower locking cover 12. Specifically, the upper half of the first unlocking port 17 is arranged on the edge of the first side wall of the upper locking cover 11, and the lower half of the first unlocking port 17 is arranged on the edge of the first side wall of the lower locking cover 12. The upper half of the first unlocking port 17 and the lower half of the first unlocking port 17 are arranged opposite to each other. When the upper locking cover 11 and the lower locking cover 12 are buckled with each other, the upper half of the first unlocking port 17 and the lower half of the first unlocking port 17 are matched to form the first unlocking port 17. The upper half of the second unlocking opening 18 is arranged at the edge of the first side wall of the upper locking cover 11, and the lower half of the second unlocking opening 18 is arranged at the edge of the first side wall of the lower locking cover 12. The upper half of the second unlocking opening 18 and the lower half of the second unlocking opening 18 are arranged opposite to each other. When the upper locking cover 11 and the lower locking cover 12 are buckled together, the upper half of the second unlocking opening 18 and the lower half of the second unlocking opening 18 are matched to form the second unlocking opening 18.

[0061] The first unlocking opening 17 and the second unlocking opening 18 are used for inserting the unlocker to achieve unlocking. Correspondingly, the unlocker includes a first unlocking pin and a second unlocking pin. The first unlocking pin is inserted into the first unlocking opening 17, and the second unlocking pin is inserted into the second unlocking opening 18. In one example, the first unlocking pin and the second unlocking pin can be provided separately, or the first unlocking pin and the second unlocking pin are provided as an integrated structure, so that when the first unlocking pin is inserted into the first unlocking opening 17, the second unlocking pin is inserted into the second unlocking opening 18 at the same time.

[0062] In this embodiment, the interior and edges of the upper locking cover 11 and the lower locking cover 12 are also provided with corresponding structures for installing the latch 9, the button 2, the anti-dissociation component 3 and the lock plate component 4, so as to install the latch 9, the button 2, the anti-dissociation component 3 and the lock plate component 4 on the lock cover 1.

[0063] In this embodiment, taking the lower lock cover 12 as an example, the second side wall of the lower lock cover 12 is provided with a portion of the insertion port 19, and the bottom wall of the lower lock cover 12 is provided with a structure corresponding to the lock plate assembly 4, and a mounting structure for mounting the anti-dissociation assembly 3, wherein the mounting structure includes a limiting column 13 and a limiting ring platform 14, specifically, the limiting column 13 is provided on the bottom wall of the lower lock cover 12, the limiting column 13 is perpendicular to the bottom wall of the lower lock cover 12, and the limiting column 13 is plugged into the central assembly hole 313 (described below). The limiting ring platform 14 is arranged around the limiting column 13, wherein the central protrusion of one end face (described below) is sleeved in the limiting ring platform 14.

[0064] In this embodiment, the anti-dissociation assembly 3 includes an anti-dissociation slide 31 and a torsion spring 32, wherein the anti-dissociation slide 31 is rotatably mounted inside the lock cover 1. The torsion spring 32 is disposed between the anti-dissociation slide 31 and the lock cover 1, and the anti-dissociation slide 31 is driven to move toward the abutting position of the abutting portion 22 under the action of the torsion spring 32.

[0065] Further, in the present embodiment, the anti-dissociation slide 31 includes a central protrusion, a central assembly hole 313, an abutment end 314 and a driving end 316. The central protrusion is protruding from both end surfaces of the anti-dissociation slide 31 and is located in the middle. Specifically, the two end surfaces of the anti-dissociation slide 31 specifically include an upper end surface and a lower end surface, and the central protrusion includes an upper central protrusion 311 and a lower central protrusion 312, the upper central protrusion 311 is provided on the upper end surface, and the lower central protrusion 312 is provided on the lower central protrusion 312. In one example, the diameter of the upper central protrusion 311 is smaller than the diameter of the lower central protrusion 312. The lower central protrusion 312 is sleeved in the limiting ring 14 to realize the movable installation of the anti-dissociation slide 31 on the lower locking cover 12.

[0066] The central assembly hole 313 is arranged through the central protrusion. Specifically, corresponding to the structure of the central protrusion, the central assembly hole 313 is arranged through the upper central protrusion 311 and the lower central protrusion 312 .

[0067] The abutting end 314 is disposed on one side of the anti-dissociation sliding seat 31 close to the abutting portion 22. In one example, the abutting end 314 is arc-shaped, and the arc length of the abutting end 314 is adapted to the abutting portion 22. In one example, the abutting end 314 is further provided with a limiting protrusion 315.

[0068] The driving end 316 is arranged at the other side of the anti-disengagement slide seat 31 relative to the abutting end 314, and the unlocker is inserted into the first unlocking opening 17 and contacts the driving end 316. In one example, the outer peripheral wall of the driving end 316 is an arc-shaped structure and is arranged in a stepped shape.

[0069] The torsion spring 32 is mounted on the central protrusion, specifically, on the upper central protrusion 311. The two ends of the torsion spring 32 are respectively located at the abutting end 314 and the driving end 316. Specifically, one end of the torsion spring 32 is clamped on the limiting boss 315 of the abutting end 314, and the other end of the torsion spring 32 is clamped in the slot of the lower lock cover 12 through the stepped driving end 316. The unlocker is inserted into the first unlocking port 17 and contacts the driving end 316, thereby driving the driving end 316 of the anti-dissociation slide 31 to rotate, so as to drive the other end of the torsion spring 32 to disengage from the slot of the lower lock cover 12, causing the abutting end 314 to rotate relative to the abutting portion 22 of the button 2, thereby releasing the limitation of the abutting end 314 on the abutting portion 22 of the button 2.

[0070] The lock plate assembly 4 is arranged above the mounting structure to limit the movement of the mounting structure toward the upper locking cover 11. In this embodiment, the lock plate assembly 4 includes a lock bracket 5, a limiting bracket 6, a slider 8 spring 7 and a slider 8. Among them, the lock bracket 5 is arranged on the lock cover, and the lock bracket 5 has an internal space for inserting the mortise lock 9. The end of the lock bracket 5 close to the insertion port 19 is provided with a through hole, and the locking portion 23 is accommodated in the through hole and can move left and right in the through hole in the horizontal direction. The limiting bracket 6 is connected to the other end of the lock bracket 5 away from the insertion port 19, and the other end of the lock bracket 5 away from the insertion port 19 is set as a connecting arm hook. The limiting bracket 6 is provided with a hook groove that can be clamped with the connecting arm hook, and the limiting bracket 6 is connected to the connecting arm hook of the lock bracket 5 through the hook groove. The slider 8 spring 7 is arranged between the limiting bracket 6 and the slider 8, and the slider 8 is prompted to reciprocate in the insertion direction of the mortise lock 9 through the elastic force of the slider 8 spring 7. In this example, the lock plate assembly 4 is configured as follows: the latch 9 is not inserted into the insertion port 19, and the slider 8 abuts against the locking portion 23 through the slider 8 spring 7. The latch 9 is inserted into the insertion port 19, and the slider 8 is driven by the latch 9 to move along the insertion direction, so that the slider 8 releases the support of the locking portion 23.

[0071] In this embodiment, the latch 9 can be unlocked by applying external force to the button 2. The button 2 is arranged inside the lock cover 1. The button 2 includes a pressing portion 21, a butt portion 22 and a locking portion 23. The pressing portion 21 is arranged close to the second unlocking port 18, the butt portion 22 is arranged inside the lock cover 1 relative to the first unlocking port 17, the locking portion 23 is close to the insertion port 19 and is arranged inside the lock cover 1, and the locking portion 23 has a structural form that is compatible with the locking groove 91 of the latch 9.

[0072] Further, in the present embodiment, the pressing portion 21 is the first wall 25 of the button 2 close to the first side wall 15 of the lock cover 1, and the second wall 26 and the third wall 27 of the button 2 are relatively connected to the two ends of the first wall 25, so that the button 2 is a U-shaped structure as a whole. The second wall 26 is an L-shaped structure, and the locking portion 23 is connected between the second wall 26 and the third wall 27, and is parallel to the first wall 25. In one example, the locking portion 23 is a pin-shaped structure. The second wall 26 and the third wall 27 are asymmetric structures, and the third wall 27 is a multi-stage L-shaped structure, and the multi-stage L-shaped structure has an arc that matches the abutment end 314, which is called the abutment portion 22, and the abutment end 314 is installed at the opening space of the multi-stage L-shaped structure.

[0073] The button 2 further includes a button spring 24 , which is disposed between a connecting portion of the button 2 and the lock bracket 5 . Under the elastic force of the button spring 24 , the button 2 is urged to move toward the first position of the first side wall 15 of the lock cover 1 .

[0074] The lock catch anti-misinterpretation locking device 100 is configured as follows: the latch 9 is inserted into the insertion port 19, and the slider 8 is driven by the latch 9 to move along the insertion direction, so that the slider 8 releases the support for the locking portion 23, and driven by the elastic force of the button spring 24, so that the button 2 moves along the first position toward the first side wall 15 of the lock cover 1, and drives the locking portion 23 to be engaged with the locking groove 91 of the latch 9, and at the same time, the anti-dissociation component 3 is abutted with the abutment portion 22 in a locked state. When unlocking is required, an unlocker is inserted into the first unlocking port 17 to cause the anti-dissociation component 3 to separate from the abutment portion 22, and at the same time, an unlocker is inserted into the second unlocking port 18 to cause the button 2 to move along the second position away from the first side wall 15 of the lock cover 1, so that the locking groove 91 of the latch 9 is separated from the locking portion 23 and is in an unlocked state.

[0075] The embodiment of the present application provides a lock anti-mislocking device 100, comprising: a lock cover 1, a button 2 and an anti-disengagement component 3, wherein the lock cover 1 has a first unlocking port 17 and a second unlocking port 18 for unlocking provided on the first side wall 15 of the lock cover 1, and an insertion port 19 for inserting the mortise lock 9 provided on the second side wall 16 of the lock cover 1, and the first side wall 15 and the second side wall 16 of the lock cover 1 are vertical and adjacent. The button 2 is provided inside the lock cover 1, and the button 2 includes a pressing portion 21, an abutting portion 22 and a locking portion 23, wherein the pressing portion 21 is provided near the second unlocking port 18; the abutting portion 22 is provided inside the lock cover 1 relative to the first unlocking port 17; the locking portion 23 is provided near the insertion port 19 and inside the lock cover 1, and the locking portion 23 has a structural form adapted to the locking groove 91 of the mortise lock 9. The anti-disengagement component 3 is provided inside the lock cover 1 near the abutting portion 22. The lock buckle anti-mislocking device 100 is configured as follows: the latch 9 is inserted into the insertion port 19 to move the button 2 along the first position toward the first side wall 15 of the lock cover 1, and drive the locking portion 23 to be engaged with the locking groove 91 of the latch 9, while the anti-dissociation component 3 is abutted against the abutment portion 22 and is in a locked state; an unlocker is used to be inserted into the first unlocking port 17 to cause the anti-dissociation component 3 to separate from the abutment portion 22, and an unlocker is used to be inserted into the second unlocking port 18 to cause the button 2 to move along the second position away from the first side wall 15 of the lock cover 1, so that the locking groove 91 of the latch 9 is separated from the locking portion 23 and is in an unlocked state.

[0076] In this embodiment, the anti-disengagement assembly 3 is arranged on the lock cover 1. When the mortise lock 9 is inserted into the insertion port 19, the anti-disengagement assembly 3 abuts against the abutment portion 22 of the button 2, and the anti-disengagement assembly 3 applies a force to the button 2 in the groove direction of the locking groove 91 of the mortise lock 9. When a vehicle collision occurs, the anti-disengagement mechanism cooperates with the button 2 to prevent the button 2 from moving to the second position away from the first side wall 15 of the lock cover 1, thereby avoiding the risk of the lock buckle anti-mislocking device 100 and the mortise lock 9 being mis-separated.

[0077] Second embodiment

[0078] like Figure 6 and Figure 7 As shown, the embodiment of the present application provides a seat belt connection system, including a lock anti-misunderstanding locking device 100, a latch 9 and a seat belt webbing, one end of the latch 9 is connected to the lock anti-misunderstanding locking device 100, and the other end of the latch 9 is fixed to the vehicle body. Among them, the lock anti-misunderstanding locking device 100 is the lock anti-misunderstanding locking device 100 described in the first embodiment above, and will not be repeated here. The lock bracket 5, the lock bracket 5 has a circular ring portion on the side away from the latch 9, and the seat belt webbing is fixed and / or wrapped around the circular ring portion.

[0079] The above is only disclosed in the preferred embodiments of the present application, but the scope of protection of the present application is not limited thereto. Any person skilled in the art can make possible changes and modifications without departing from the spirit and scope of the present application, which are all within the scope of protection of the present application. Therefore, the scope of protection of the present application shall be based on the scope of protection defined by the claims of the present application.

Claims

1. A lock buckle anti-mislocking device, characterized in that: include: The lock cover has a first unlocking opening and a second unlocking opening for unlocking the lock, which are arranged on a first side wall of the lock cover, and an insertion opening for inserting the mortise lock, which is arranged on a second side wall of the lock cover, wherein the first side wall and the second side wall of the lock cover are vertical and adjacent to each other; a button, arranged inside the lock cover, the button comprising a pressing portion, an abutting portion and a locking portion, the pressing portion being arranged near the second unlocking port; the abutting portion being arranged inside the lock cover relative to the first unlocking port; the locking portion being arranged inside the lock cover near the insertion port, and having a structural form adapted to the locking groove of the latch; An anti-dissociation component is arranged inside the lock cover near the abutment portion; The lock catch anti-mislocking device is configured as follows: the latch is inserted into the insertion port, so that the button moves along the first position toward the first side wall of the lock cover, and drives the locking portion to be engaged with the locking groove of the latch, and at the same time, the anti-disengagement component abuts against the abutment portion in a locked state; Inserting an unlocker into the first unlocking port causes the anti-disengagement component to separate from the abutment portion, and inserting the unlocker into the second unlocking port causes the button to move along a second position away from the first side wall of the lock cover, so that the locking groove of the latch is separated from the locking portion and is in an unlocked state.

2. The lock buckle anti-mislocking device according to claim 1, characterized in that: The anti-dissociation component comprises: An anti-dissociation sliding seat, rotatably mounted inside the lock cover; The torsion spring is arranged between the anti-dissociation sliding seat and the lock cover, and drives the anti-dissociation sliding seat to move toward the abutting position of the abutting portion under the action of the torsion spring.

3. The lock buckle anti-mislocking device according to claim 2, characterized in that: The anti-dissociation slide comprises: A central protrusion, which is protrudingly arranged on both end surfaces of the anti-dissociation sliding seat and is located in the middle; A central assembly hole, penetrating the central protrusion; An abutting end, provided on a side of the anti-dissociation sliding seat close to the abutting portion, the abutting end being in an arc shape; A driving end, which is arranged on the other side of the anti-disengagement sliding seat relative to the abutting end, and the unlocker is inserted into the first unlocking port to contact the driving end; The torsion spring is sleeved on the central protrusion, and two ends of the torsion spring are respectively located at the abutting end and the driving end.

4. The lock buckle anti-mislocking device according to claim 3, characterized in that: The pressing portion is a first wall of the button close to the first side wall of the lock cover, The second wall body and the third wall body of the button are relatively connected to the two ends of the first wall body, the second wall body is an L-shaped structure, the locking portion is connected between the second wall body and the third wall body, and is parallel to the first wall body; the third wall body is a multi-stage L-shaped structure, and the multi-stage L-shaped structure has an arc that is adapted to the abutting end, called the abutting portion, and the abutting end is installed in the opening space of the multi-stage L-shaped structure.

5. The lock buckle anti-mislocking device according to claim 3, characterized in that: The locking cover comprises an upper locking cover and a lower locking cover; The upper locking cover and the lower locking cover are buckled with each other to form the locking cover; The first unlocking opening is arranged on the first side wall of the lower locking cover, and the second unlocking opening is arranged on the first side wall of the lower locking cover; or The first unlocking opening is arranged on the first side wall of the lower locking cover, and the second unlocking opening is arranged on the first side wall of the upper locking cover, or The first unlocking opening is arranged on the first side wall of the lower locking cover, and the second unlocking opening is arranged on the first side wall of the upper locking cover and the first side wall of the lower locking cover.

6. The lock buckle anti-mislocking device according to claim 5, characterized in that: The bottom wall of the lower locking cover is provided with a mounting structure for mounting the anti-dissociation assembly, and the mounting structure comprises: A limiting column, provided on the bottom wall of the lower locking cover, the limiting column being inserted into the central assembly hole; The limiting ring is arranged around the limiting column, and the central protrusion on one end surface is sleeved in the limiting ring.

7. The lock buckle anti-mislocking device according to claim 1, characterized in that: Also includes: A locking plate assembly is arranged on the lock cover, and the locking plate assembly has an internal space for inserting the latch and is used to provide support for the button.

8. The lock buckle anti-mislocking device according to claim 7, characterized in that: The locking plate assembly comprises: a locking bracket, a limiting bracket, a slider spring and a slider; The lock bracket is arranged on the lock cover, and the lock bracket has an internal space for inserting the latch, and a through hole is arranged at one end of the lock bracket close to the insertion port, and the locking part is accommodated in the through hole; The limiting bracket is connected to the other end of the locking bracket away from the insertion port; The slider spring is arranged between the limiting bracket and the slider, and the slider is urged to reciprocate in the insertion direction of the latch by the elastic force of the slider spring; The locking plate assembly is configured as follows: when the latch is not inserted into the insertion port, the slider abuts against the locking portion via the slider spring; when the latch is inserted into the insertion port, the slider is driven by the latch to move along the insertion direction, so that the slider releases its support for the locking portion.

9. The lock buckle anti-mislocking device according to claim 8, characterized in that: The button also includes: The button spring is arranged between the connecting portion of the button and the lock bracket, and under the elastic force of the button spring, the button is urged to move along the first position toward the first side wall of the lock cover.

10. A seat belt connection system, comprising a buckle anti-mistake locking device, a latch and a seat belt webbing, wherein one end of the latch is connected to the buckle anti-mistake locking device, and the other end of the latch is fixed to the vehicle body, characterized in that: The lock buckle anti-mistake locking device is the lock buckle anti-mistake locking device according to any one of claims 1 to 9 above; A lock bracket, wherein the lock bracket has a circular ring portion on a side away from the latch, and the safety belt webbing is fixed and / or wound around the circular ring portion.

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