CN210353471U - Safety belt lock catch - Google Patents

Abstract

The application discloses safety belt hasp includes: the sensor is arranged on the side wall of the lock frame far away from the button, and the sensing plate is arranged on the ejection block and extends along the length direction of the lock frame; after the spring bolt is inserted into the safety belt lock catch and reaches the locking position, the induction plate moves into the induction area of the inductor along with the ejection block, and the inductor sends out an induction signal that the spring bolt is in place. This application is along with ejecting piece synchronous motion through the tablet for the response area of inductor can in time detect the sensing signal that the spring bolt target in place, thereby after the spring bolt drops, the response area of inductor can in time detect the not in place sensing signal of spring bolt and trigger the warning, and then can in time remind passenger's spring bolt to drop, and the safety protection effect of promotion safety belt hasp to the safety belt of tying again.

Description

Safety belt lock catch

Technical Field

The application relates to the technical field of automobile equipment, in particular to a safety belt lock catch.

Background

The safety belt and the lock catch are important automobile safety equipment, one end of the safety belt is pulled by the lock tongue, and the lock catch needs to be inserted when the safety belt is used, so that people are fixed on the seat in the collision process, and the possibility of casualty is reduced.

The existing lock catch and the lock tongue are basically in mechanical connection, and when the lock catch needs to be unlocked, the lock catch can be unlocked by pressing the lock catch button, so that the operation is simple and convenient. However, because of this convenience, it is very easy to cause the button to automatically unlock the lock catch under the external force. Or when the safety belt is fastened, the lock tongue is not inserted into the lock catch due to misoperation, but the hidden trouble is not found in time, so that a passenger can drive the vehicle to run under the condition that the safety belt is not fastened, the hidden trouble is brought to the passenger, and the safety protection effect of the lock catch of the safety belt is reduced.

Therefore, how to remind the passenger in time when the lock tongue is separated from the buckle, so as to improve the safety protection effect of the safety belt buckle becomes a problem to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The application provides a safety belt lock catch to solve and in time remind the passenger under the condition that the spring bolt breaks away from the hasp, promote the problem of the safety protection effect of safety belt lock catch.

The application provides a safety belt lock catch which comprises a lock frame, a button and a locking mechanism, wherein the lock frame, the button and the locking mechanism are arranged on a shell; the button is inserted into the end part of the lock frame along a first direction, and the locking mechanism is arranged on the lock frame; further comprising:

the sensor is arranged on the side wall of the lock frame far away from the button, and the sensing plate is arranged on the ejection block and extends along the length direction of the lock frame;

after the lock tongue is inserted into the safety belt lock catch and reaches the locking position, if the working state is normal, the induction plate moves to the induction area of the inductor along with the ejection block, and the inductor sends out an induction signal that the lock tongue is in place.

Optionally, the method further includes: after the bolt is inserted, if the induction plate does not enter the induction area or is separated from the induction area, the inductor sends out an induction signal that the position of the bolt is abnormal and triggers an alarm.

Optionally, the end of the ejection block has an extension end extending out of an opening in the side wall of the lock frame, and the sensing plate is arranged on the extension end along the length direction of the lock frame and is driven by the ejection block to move along the length direction of the lock frame through the opening.

Optionally, a fixing structure is arranged at the extending end of the ejection block, and one end of the induction plate is fixed at the extending end through the fixing structure.

Optionally, the inductor is fixedly arranged on the side wall of the lock frame on the same side as the position of the induction plate.

Optionally, the induction plate is arranged on one end of the ejection block; the inductor is arranged on the side wall of the lock frame on one side.

Optionally, the inductor includes a clamping portion and a connecting portion connected to each other; the clamping part is arranged as an induction area of the inductor; the connecting portion is provided with a cable.

Optionally, the clamping portion is attached to the outer side of the side wall of the lock frame, and is correspondingly clamped in the perforated groove on the side wall of the lock frame through a clamping hook arranged on the clamping portion;

the connecting part is arranged in the width direction of the side wall of the lock frame; the connecting part is provided with a clamping groove at the joint of the connecting part and the clamping part, and the inductor is inserted into the side wall of the lock frame through the clamping groove.

Optionally, the clamping portion includes a hall element and a permanent magnet, and the sensing area is located between the hall element and the permanent magnet which are oppositely arranged.

Optionally, the inductor and the inductor board are enclosed in the housing.

Compared with the prior art, the method has the following advantages: the application provides a safety belt hasp includes: the sensor is arranged on the side wall of the lock frame far away from the button, and the sensing plate is arranged on the ejection block and extends along the length direction of the lock frame; after the spring bolt is inserted into the safety belt lock catch and reaches the locking position, the induction plate moves into the induction area of the inductor along with the ejection block, and the inductor sends out an induction signal that the spring bolt is in place. This application is along with ejecting piece synchronous motion through the tablet for the response area of inductor can in time detect the sensing signal that the spring bolt target in place, thereby after the spring bolt drops, the response area of inductor can in time detect the not in place sensing signal of spring bolt and trigger the warning, and then can in time remind passenger's spring bolt to drop, and the safety protection effect of promotion safety belt hasp to the safety belt of tying again.

Drawings

Fig. 1 is an exploded view of a seat belt buckle according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a part of components of a seat belt buckle according to an embodiment of the present application;

fig. 3 is an exploded view of an inductor according to an embodiment of the present application.

The safety belt lock catch comprises a safety belt lock catch 100, an inductor 1, a clamping part 1-1, a sensing area 1-1-1, a first clamping hook 1-1-2, a second clamping hook 1-1-3, a Hall element 1-1-4, a permanent magnet 1-1-5, a third clamping hook 1-1-6, a connecting part 1-2, a clamping groove 1-2-1, a sensing plate 2, a fixing structure 3, a lock frame 4, an opening 4-1, a first hole forming groove 4-2, a hole 4-3, a lock hook 5, an ejection block 6, a spring seat 7, a spring 8, a bolt shaft 9, a balance mechanism 10, a button 11, an upper cover 12 and a lower cover 13.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of implementation in many different ways than those herein set forth and of similar import by those skilled in the art without departing from the spirit of this application and is therefore not limited to the specific implementations disclosed below.

The present application provides a seatbelt buckle 100, and fig. 1 is an exploded view of the seatbelt buckle 100 provided in the present application; fig. 2 is a schematic structural diagram of a part of the components of the seat belt buckle 100 according to the embodiment of the present application.

Referring to fig. 1 and 2, a seat belt buckle 100 provided in an embodiment of the present application includes a lock frame 4 disposed on a housing, a button 11, a locking mechanism, and a balancing mechanism 10; the button 11 is inserted into the end of the lock frame 4 along a first direction, specifically, the button 11 is fastened on the lock frame 4 through a side wall and a front end support of the button 11, and a fitting distance is formed between the side wall of the button 11 and the outer side of the side wall of the lock frame 4, and the fitting distance can enable the button 11 to be mounted on the side wall of the lock frame 4 and is not affected when the button 11 reciprocates along the side wall of the lock frame 4; the first direction is the direction in which the button 11 is pressed. The shell comprises an upper cover 12 and a lower cover 13, the lock frame 4 is fixedly arranged in the shell, the locking mechanism is arranged on the lock frame 4 and comprises a lock hook 5, a spring 8, an ejection block 6, a spring seat 7 and a bolt shaft 9; the counterbalance mechanism 10 is disposed between the push button 11 and the lock frame 4.

Specifically, as shown in fig. 2, the lock frame 4 is a U-shaped groove structure, one side of the lock frame 4, which is away from the opening of the U-shaped groove structure, is mounted on the lower cover 13 in a buckling manner, and the locking mechanism is located inside the U-shaped groove structure; a first hole opening groove 4-2 is formed in the end portion, far away from the button 11, of the lock frame 4 and on the side wall of the lock frame 4, and the lock hook 5 is fixedly installed on the lock frame 4 through the first hole opening groove 4-2; an opening 4-1 along the length direction of the lock frame 4 is formed in the connecting position of the bottom wall and the side wall of the lock frame 4, an ejection block 6 is movably mounted in the opening 4-1, a spring seat 7 is arranged on the ejection block 6, a spring 8 is arranged between the spring seat 7 and a lock hook 5, and a protruding block in the lock hook 5 is used for fixing the spring 8; the side wall of the lock frame 4 above the opening 4-1 and close to the button 11 is provided with openings 4-3, the holes of the openings 4-3 are vertical to each other, and one hole extends along the length direction (horizontal direction) of the side wall of the lock frame 4; a bolt shaft 9 penetrates through the opening 4-3 and is connected with a button 11, and the bolt shaft 9 can slide in the opening 4-3; a through hole (not shown) is formed in the bottom wall of the lock frame 4, close to the opening 4-1, along the width direction of the lock frame 4, when the lock tongue is inserted into the locking position of the lock frame 4 from the opening of the shell, the lock tongue pushes the ejection block 6 away from the initial position, and the spring 8 can be deformed to have elasticity while the ejection block 6 drives the spring seat 7 to move; the bolt shaft 9 is also made to slide from the hole direction in the vertical direction to the horizontal hole direction, so that the buckling part of the locking hook 5 moves downwards and is buckled with the locking hole of the bolt, and the bolt is clamped in the shell. When the unlocking is needed, the button 11 is pressed to lift the lock hook 5, the lock tongue is ejected out through the elastic force of the spring 8, and the unlocking of the lock tongue can be realized.

In the embodiment of the present application, as described in the background, when the seat belt is used, there may be a case where the tongue is not inserted into the buckle, or the tongue is automatically unlocked, but the occupant does not find it in time. In order to avoid this situation, the seat belt buckle 100 of the present embodiment is further provided with the sensor 1 and the sensing plate 2, and the situation that the tongue is separated from the buckle can be found in time through the device, so as to remind the passenger of fastening the seat belt in time, and improve the safety protection effect of the seat belt buckle 100.

Wherein, the inductor 1 is arranged on the side wall of the lock frame 4 far away from the button 11; in the present embodiment, the inductor 1 includes a clamping portion 1-1 and a connecting portion 1-2 connected to each other; the mutually connected clamping part 1-1 and the connecting part 1-2 are L-shaped, and the clamping part 1-1 is an induction area 1-1-1 of the inductor 1; the connection portion 1-2 is provided with a cable to supply the inductor 1 with electric power. Specifically, as shown in fig. 1, 2 and 3, a clamping portion 1-1 of the sensor 1 is arranged along the length direction of the side wall of the lock frame 4, and a plurality of clamping hooks are arranged on the clamping portion 1-1, wherein a first clamping hook 1-1-2 and a third clamping hook 1-1-6 are arranged at the top of the clamping portion 1-1, a second clamping hook 1-1-3 is arranged at the bottom of the clamping portion 1-1, and hook bodies of the first clamping hook 1-1-2 and the second clamping hook 1-1-3 are arranged oppositely and extend towards a U-shaped groove structure of the lock frame 4; the hook body of the first hook 1-1-2 is clamped on the wall body of the side wall of the lock frame 4 to limit the inductor 1 to move towards the outer side of the side wall of the lock frame 4; the third clamping hook 1-1-6 is inserted in the first hole-opening groove 4-2 arranged on the side wall of the lock frame 4, and the third clamping hook 1-1-6 is arranged above the locking hook 5 arranged in the first hole-opening groove 4-2 arranged on the side wall of the lock frame 4; the second clamping hook 1-1-3 penetrates through a through hole formed in the bottom wall of the lock frame 4, and a hook body of the second clamping hook 1-1-3 is clamped on the bottom wall of the lock frame 4, so that the whole clamping part 1-1 is attached to the outer side of the side wall of the lock frame 4 to limit the inductor 1 to move towards the outer side of the side wall of the lock frame 4; the clamping part 1-1 comprises a Hall element 1-1-4 and a permanent magnet 1-1-5, and the induction area 1-1-1 is positioned between the Hall element 1-1-4 and the permanent magnet 1-1-5 which are oppositely arranged. The connecting part 1-2 is arranged in the width direction of the side wall of the lock frame 4, and a clamping groove 1-2-1 is arranged at the connecting part 1-2 and the clamping part 1-1; the inductor 1 is inserted on the side wall of the lock frame 4 through the clamping groove 1-2-1.

In order to realize that the sensor 1 can send out a sensing signal that the lock tongue is in place, the sensing plate 2 is arranged on the ejection block 6, so that the ejection block 6 is pushed to move through the lock tongue, the ejection block 6 drives the sensing plate 2 to move into a sensing area 1-1-1 of the sensor 1, and the sensing signal that the lock tongue is in place is triggered; otherwise, the abnormal sensing signal of the bolt position is triggered and the alarm is triggered, so that the passengers are reminded to fasten the safety belt in time.

Specifically, in this embodiment, in combination with the above, the whole of the ejection block 6 is disposed inside the U-shaped groove structure and contacts with the bottom wall of the lock frame 4, and an opening along the length direction of the lock frame 4 is disposed at the joint of the bottom wall and the side wall of the lock frame 4, so as to realize sliding on the lock frame 4. Wherein, the end part of the ejection block 6 comprises a limiting end and an extending end; the limiting end is positioned at the inner side of the side wall of the lock frame 4, and the limiting end has a height dimension higher than the opening, so that the ejection block 6 is limited in the transverse direction; the extending end can extend out of an opening in the side wall of the lock frame 4, the induction plate 2 is arranged on the extending end along the length direction of the lock frame 4 and driven by the ejection block 6 to move along the length direction of the lock frame 4 through the opening; and in order to realize the fixation of the induction plate 2, a fixing structure 3 is arranged on the extending end of the ejection block 6, and one end of the induction plate 2 is fixed on the extending end through the fixing structure 3. The fixing structure 3 can be a rivet and a fixing hole, the rivet penetrates through one end of the induction plate 2, and the induction plate 2 is fixed on the extending end through matching with the fixing hole; the fixing structure 3 may be a bolt or a screw structure, and it is within the scope of the present embodiment as long as the sensing plate 2 can be fixed on the protruding end.

It will be appreciated that in order to achieve the docking of the sensor board 2 with the sensing area 1-1-1, the sensor 1 is fixedly arranged on the side wall of the lock frame 4 on the same side as the location of the sensor board 2. In the present embodiment, in order to simplify the structure of the seatbelt buckle 100, the sensor plate 2 is provided on one end of the ejector block 6; the inductor 1 is arranged on the side wall of the lock frame 4 on one side. And in the embodiment, the inductor 1 and the induction board 2 are wrapped in the shell, and are protected from being damaged by the protection of the shell.

The working principle of the safety belt buckle 100 provided by the embodiment of the application is as follows, when the lock tongue is inserted into the locking position of the lock frame 4 from the opening of the shell, the lock tongue pushes the ejection block 6 away from the initial position, the ejection block 6 is displaced so as to drive the induction plate 2 (if the working state is normal, the induction plate 2 is not separated) arranged on the extension end of the end part to synchronously move, and until the induction plate moves to the induction area 1-1-1 of the inductor 1, the inductor 1 sends out an induction signal that the lock tongue is in place. On the contrary, when the lock catch is automatically unlocked, the ejection block 6 can restore to the initial position under the action of the elastic force of the spring 8, the ejection block 6 displaces to drive the induction plate 2 arranged on the extending end of the end part to synchronously move until the ejection block moves to the position separated from the induction area 1-1-1 of the inductor 1, the lock tongue is ejected out of the opening of the shell, and at the moment, the inductor 1 sends out an induction signal that the position of the lock tongue is abnormal and triggers an alarm. It should be noted that, due to the long-term use of the buckle 100, a situation of damage to its components, such as the falling of the sensor plate 2, is not observed, and even if the tongue can be inserted into the buckle and the ejector block 6 is pushed to move, since the sensor plate 2 cannot be in contact with the sensing area 1-1-1, the sensor 1 sends out a sensing signal indicating that the position of the tongue is abnormal and triggers an alarm. That is to say, can also detect whether relevant parts can normally work in the safety belt buckle 100 through inductor 1, play the effect that detects to relevant parts, further improve the safety protection effect of safety belt buckle 100.

The embodiment of the present application provides a seat belt buckle 100, including: the sensor 1 is arranged on the side wall of the lock frame 4 far away from the button 11, and the sensing plate 2 is arranged on the ejection block 6 and extends along the length direction of the lock frame 4; after the bolt is inserted into the safety belt buckle 100 and reaches the locking position, the induction plate 2 moves into the induction area 1-1-1 of the inductor 1 along with the ejection block 6, and the inductor 1 sends out an induction signal that the bolt is in place. According to the safety protection device, the induction plate 2 moves synchronously with the ejection block 6, so that the induction area 1-1-1 of the inductor 1 can timely detect the induction signal of the in-place spring bolt, and after the spring bolt falls off, the induction area 1-1-1 of the inductor 1 can timely detect the induction signal of the out-of-place spring bolt and trigger alarm, so that a passenger can be timely reminded of the falling-off of the spring bolt, the safety belt is fastened again, and the safety protection effect of the safety belt buckle 100 is improved.

Although the present application has been described with reference to the preferred embodiments, it is not intended to limit the present application, and those skilled in the art can make variations and modifications without departing from the spirit and scope of the present application, therefore, the scope of the present application should be determined by the claims that follow.

Claims (10)

1. A safety belt lock catch comprises a lock frame, a button and a locking mechanism, wherein the lock frame, the button and the locking mechanism are arranged on a shell; the button is inserted into the end part of the lock frame along a first direction, and the locking mechanism is arranged on the lock frame; it is characterized by also comprising:

the sensor is arranged on the side wall of the lock frame far away from the button, and the sensing plate is arranged on the ejection block and extends along the length direction of the lock frame;

after the lock tongue is inserted into the safety belt lock catch and reaches the locking position, if the working state is normal, the induction plate moves to the induction area of the inductor along with the ejection block, and the inductor sends out an induction signal that the lock tongue is in place.

2. The seatbelt buckle as claimed in claim 1, further comprising: after the bolt is inserted, if the induction plate does not enter the induction area or is separated from the induction area, the inductor sends out an induction signal that the position of the bolt is abnormal and triggers an alarm.

3. The seatbelt buckle according to claim 1, wherein the end of the ejector block has a protruding end protruding out of an opening in a side wall of the lock case, and the sensor plate is provided on the protruding end along a length direction of the lock case and moves along the length direction of the lock case through the opening by being carried by the ejector block.

4. The seatbelt buckle according to claim 3, wherein a fixing structure is provided on a protruding end of the ejector block, and one end of the sensing plate is fixed to the protruding end by the fixing structure.

5. The seatbelt buckle of claim 3, wherein said sensor is fixedly disposed on a side wall of said lock housing on a same side as where said sensor plate is located.

6. The seatbelt buckle as claimed in claim 5, wherein the sensing plate is provided on one of ends of the ejector block; the inductor is arranged on the side wall of the lock frame on one side.

7. The seatbelt buckle according to claim 6, wherein the inductor includes a catching portion and a connecting portion connected to each other; the clamping part is arranged as an induction area of the inductor; the connecting portion is provided with a cable.

8. The safety belt buckle as claimed in claim 7, wherein the engaging portion is attached to the outer side of the side wall of the lock frame and is engaged with the opening groove of the side wall of the lock frame by a hook provided thereon;

the connecting part is arranged in the width direction of the side wall of the lock frame; the connecting part is provided with a clamping groove at the joint of the connecting part and the clamping part, and the inductor is inserted into the side wall of the lock frame through the clamping groove.

9. The seatbelt buckle of claim 7, wherein said snap-in portion includes a hall element and a permanent magnet, said sensing area being located between said hall element and permanent magnet which are oppositely disposed.

10. The seatbelt buckle of claim 1, wherein said sensor and sensor plate are encased within said housing.

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