CN109431013B - Safety belt lock catch - Google Patents
Safety belt lock catch Download PDFInfo
- Publication number
- CN109431013B CN109431013B CN201811574112.2A CN201811574112A CN109431013B CN 109431013 B CN109431013 B CN 109431013B CN 201811574112 A CN201811574112 A CN 201811574112A CN 109431013 B CN109431013 B CN 109431013B
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- steel wire
- cross rod
- lock catch
- pressing part
- safety belt
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 77
- 239000010959 steel Substances 0.000 claims abstract description 77
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
- A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
- A44B11/2503—Safety buckles
- A44B11/2546—Details
Landscapes
- Automotive Seat Belt Assembly (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention discloses a safety belt lock catch, which comprises a lock catch body and a pressing part, wherein the pressing part is arranged at the axial extension end of the lock catch body and used for controlling the unlocking of a safety belt, the pressing part is connected with one end of a steel wire, a cross rod connected with the other end of the steel wire is arranged below the pressing part, and the cross rod is connected with a control motor so as to realize the axial movement of the cross rod relative to the lock catch body; when the control motor controls the cross rod to move along the axial direction far away from the pressing part, the cross rod drives the pressing part to press downwards relative to the lock catch body through the steel wire, so that unlocking of the safety belt in the lock catch body is realized. Above-mentioned safety belt hasp does not need passenger manual unblock when needs unblock, only needs the driver to start through remote control motor, can realize the automatic unblock of safety belt hasp.
Description
Technical Field
The invention relates to the field of automobile safety facilities, in particular to a safety belt lock catch.
Background
With the popularization of automobiles, the safety of automobiles is a concern for users.
The existing belt buckle can well ensure the safety of the belt, generally, when the belt is tied, in a state that an occupant sits on a seat, the belt is pulled to enable the belt to encircle the body of the user, and the belt buckle locks the lock tongue of the belt in the belt buckle after the belt is inserted into the slot of the belt buckle, so that the belt cannot be untied. However, the webbing need not only take into account the ability to be secured by the webbing, but also the ability to be quickly and easily released from the webbing-secured environment, i.e. the webbing-secured is a passive protection, but the ability to be quickly released from the webbing requires an active release. For adults, active release from a belt-anchored environment is easier, but for older passengers and physically or sensorially handicapped passengers, release from a belt-anchored environment is a difficult task. If a special person is arranged to help children or handicapped persons to release the safety belt, the safety belt is very troublesome, and unnecessary troubles are caused by time delay when the vehicle encounters an emergency and needs to be evacuated. Therefore, how to provide a safety belt lock catch capable of being automatically unlocked under the control of others so that children or handicapped people can quickly release the safety belt lock catch is a technical problem to be solved by the person skilled in the art.
Disclosure of Invention
The invention aims to provide a safety belt lock catch, which does not need manual unlocking of passengers when the safety belt lock catch is required to be unlocked, and can realize automatic unlocking of the safety belt lock catch only by starting a motor through remote control.
In order to achieve the above purpose, the invention provides a safety belt lock catch, which comprises a lock catch body and a pressing part arranged at the axial extension end of the lock catch body and used for controlling the unlocking of a safety belt, wherein the pressing part is connected with one end of a steel wire, a cross rod connected with the other end of the steel wire is arranged below the pressing part, and the cross rod is connected with a control motor to realize the axial movement of the cross rod relative to the lock catch body; when the control motor controls the cross rod to move along the axial direction far away from the pressing part, the cross rod drives the pressing part to press downwards relative to the lock catch body through the steel wire, so that unlocking of the safety belt in the lock catch body is realized.
Preferably, the cross rod extends along the radial direction, the radial dimension of the cross rod is smaller than the radial dimension of the pressing part, the locking device further comprises a pull rod which extends along the axial direction and is fixedly connected with the cross rod, and the pull rod is connected with the output end of the control motor so as to realize that the pull rod drives the cross rod to move relative to the lock catch body along the axial direction.
Preferably, the lock catch further comprises a shell arranged on the outer side of the lock catch body, wherein the shell covers the steel wire and the cross rod so as to prevent the steel wire, the cross rod and the movement thereof from being extruded and interfered.
Preferably, the shell comprises an upper shell with the upper end exposed out of the pressing part, and the upper shell cover covers the upper half section of the steel wire and the joint of the steel wire and the pressing part; the shell further comprises a lower shell, wherein the lower end of the lower shell is provided with a through hole for exposing the pull rod, and the lower shell cover covers the lower half section of the steel wire, the cross rod and the joint of the pull rod and the cross rod.
Preferably, the pull rod is provided with a low limit step surface with a radial dimension larger than that of the through hole on the upper side of the through hole of the lower shell so as to realize the lowest limit after the pull rod drives the pressing part to press downwards; the pull rod is provided with a high limit step surface with radial dimension larger than that of the through hole at the lower side of the through hole so as to realize the highest limit of the upward spring restoration after the pressing part is pressed down.
Preferably, the specific number of the steel wires is two, and the steel wires are symmetrically distributed on the same side of the lock catch body.
Preferably, the steel wire is provided with a hook part, the hook part is a hook ring at the upper end of the steel wire, and the hook part is hooked on the convex round point of the pressing part so as to realize that the steel wire drives the pressing part to press downwards.
Preferably, the number of the protruding dots is two, and the protruding dots are symmetrically arranged at the left and right sides of the pressing part, so that the two steel wires are connected with the clamping hooks of the pressing part.
Preferably, the steel wire is provided with a hanging bolt part, the hanging bolt part is a hook ring at the lower end of the steel wire, and the hanging bolt part is arranged in an annular groove at the radial extension section of the cross rod, so that the cross rod drives the steel wire to move towards the direction away from the pressing part.
Preferably, the number of the annular grooves is two, and the annular grooves are symmetrically arranged at the left and right sides of the radial extension section of the cross rod so as to realize the hanging bolt connection of the two steel wires and the cross rod.
Compared with the background art, the safety belt lock catch provided by the invention comprises the lock catch body for locking the safety belt, wherein the pressing part is arranged on the axial extension section of the lock catch body, and the safety belt locked in the lock catch body can be unlocked from the locked state by the pressing of the pressing part; a cross rod is arranged below the pressing part, and the cross rod is connected with the pressing part through a steel wire, namely, the pressing part can move along with the cross rod by applying acting force to the cross rod through the steel wire; when the safety belt locked in the safety belt lock catch is required to be unlocked and the pressing part is inconvenient to directly press down, the control motor connected with the cross rod is started, the control motor outputs acting force to the cross rod, the cross rod moves along the direction away from the pressing part along the axial direction relative to the lock catch body, the pressing part is pulled and pulled by the steel wire, the pressing part and the cross rod keep the same movement mode, namely the pressing part is pressed down along the axial direction, the pressing part subjected to the pressing acting force acts on the lock catch body, the safety belt locked in the lock catch body is unlocked, and after the acting force of the control motor acting on the cross rod disappears, the pressing part drives the cross rod to move upwards along the axial direction to a reset state through the steel wire.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a prior art seat belt buckle assembly;
fig. 2 is a schematic structural view of a seat belt buckle according to an embodiment of the present invention;
FIG. 3 is a side view of the seat belt buckle of FIG. 1;
FIG. 4 is a front view of the seat belt buckle of FIG. 1;
fig. 5 is a schematic diagram of an assembled structure of the seat belt buckle and the housing in fig. 1.
Wherein:
2-slot, 3-latch body, 4-pressing part, 5-steel wire, 51-trip part, 52-bolt hanging part, 6-cross bar, 7-pull rod, 8-upper shell, 9-lower shell.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The present invention will be further described in detail below with reference to the drawings and detailed description for the purpose of enabling those skilled in the art to better understand the aspects of the present invention.
Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of a seat belt latch assembly in the prior art, fig. 2 is a schematic structural diagram of a seat belt latch provided in an embodiment of the present invention, fig. 3 is a side view of the seat belt latch in fig. 1, fig. 4 is a front view of the seat belt latch in fig. 1, and fig. 5 is a schematic structural diagram of an assembly of the seat belt latch and a housing in fig. 1.
In the structural schematic diagram of the safety belt locking assembly in the prior art of fig. 1, mainly include the locking body 3, the pressing part 4 and be used for the male slot 2 of spring bolt, usually one end of the locking body 3 and the lower half section fixed connection of safety belt, insert the upper half section of the safety belt that is equipped with the spring bolt in the slot 2 of the other end of the locking body 3 in order to realize locking of safety belt in the locking body 3, can release the spring bolt of the safety belt locked in the locking body 3 through the mode of pushing down the pressing part 4, the pressing part 4 is spring-reset to original position through the effect of spring or other elastic components simultaneously, specific setting mode and its detail please refer to prior art, this embodiment is regarded as the improvement to the unlocking mode of safety belt locking, do not carry out the description again to the part of prior art in the locking body 3.
In a first specific embodiment, the seat belt buckle provided in this embodiment includes a buckle body 3 and a pressing portion 4 disposed on the buckle body 3 along an axial extension of the buckle body 3 for controlling unlocking of the seat belt. The axial extension of the latch body 3 is the extending direction of the seat belt, and the pressing portion 4 is generally disposed in such a manner that the vertical movement direction of the pressing portion 4 coincides with the insertion and unlocking directions of the seat belt, but the present embodiment will be described in such a manner that the movement direction of the pressing portion 4 coincides with the insertion and unlocking directions of the seat belt, but the pressing portion 4 whose other position and movement direction are changed falls within the scope of the present embodiment, and the present embodiment should not be limited to the arrangement or movement manner of the pressing portion 4. In addition, the safety lock catch provided in this embodiment further includes a cross bar 6 disposed below the pressing portion 4, a steel wire 5 is disposed between the cross bar 6 and the pressing portion 4, two ends of the steel wire 5 are connected to the pressing portion 4 and the cross bar 6 respectively, and for convenience of explanation, an extending direction along the lock catch body 3 is defined, a connection portion between the steel wire 5 and the pressing portion 4 is taken as an upper portion, and a connection portion between the steel wire 5 and the cross bar 6 is taken as a lower portion. The horizontal pole 6 links to each other with control motor, drive horizontal pole 6 along axial direction that keeps away from pressing part 4 through the effort of control motor output and promptly along axial downward movement, steel wire 5 locates between horizontal pole 6 and the pressing part 4 and keeps the state of tightening, consequently control motor drives horizontal pole 6 downward movement, horizontal pole 6 passes through steel wire 5 and then drives pressing part 4 and push down, in order to realize the unblock of spring bolt of safety belt from hasp body 4, up to this, stop the traction to horizontal pole 6 when control motor, pressing part 4 is reset to the original home position by the effect of spring or elastic component in the hasp body 3.
In this embodiment, through the effort that control motor output, horizontal pole 6 drives through steel wire 5 presses down portion 4 to realize the unblock of safety belt hasp to the safety belt, this process is swift corresponding, simple structure is high reliability. In addition, the cross bar 6 extends radially, that is, extends in the transverse direction perpendicular to the axial direction, and the radial dimension of the cross bar 6 is smaller than the radial dimension of the pressing portion 4, so that the wire 5 for realizing that the cross bar 6 pulls the pressing portion 4 has a better acting force effect by arranging the cross bar 6 similar to the transverse dimension of the pressing portion 4, and besides, the cross bar 6, the pressing portion 4 and the buckle body 3 have similar radial dimensions to realize the compactness of the structure of the whole safety belt buckle.
In order to achieve a better technical effect, the lower end of the cross rod 6 is provided with a pull rod 7 extending along the axial direction, the pull rod 7 has the same extending direction as the movement direction of the cross rod 6, the steel wire 5 and the pressing part 4, so that the safety belt buckle has better mechanical action characteristics, when the output end of the control motor is connected with the lower end of the pull rod 7 and outputs downward acting force to the pull rod 7, the pull rod 7 drives the cross rod 6 connected with the pull rod 7 to move downwards, the pressing part 4 is pulled by the steel wire 5 connected with the cross rod 6, the downward pressing of the safety belt buckle body 3 is realized, the lock tongue of the safety belt is unlocked from the safety belt buckle body 3, the control motor stops running, the downward acting force originally acted on the pull rod 7, the cross rod 6, the steel wire 5 and the pressing part 4 disappears, the pressing part 4 moves upwards and is restored to the initial position by the elastic restoring force of the spring or elastic component in the safety belt buckle body 3, the cross rod 6, namely the pull rod 7 is stressed by the upward acting force of the steel wire 5 connected with the pressing part 4 and is restored to the initial position, and when the safety belt buckle is inserted into the safety belt buckle body 3 and the safety belt buckle is locked in the next time, the safety belt buckle is repeatedly used, and the safety belt buckle is high efficiency, and high reliability.
In order to achieve better technical effects, a shell is arranged outside the lock catch body 3, and the steel wire 5 and the cross rod 6 are covered by the shell, so that the steel wire 5 and the cross rod 6 are prevented from being extruded by other objects, and the phenomenon that the normal operation of the safety belt lock catch is affected by interference of other objects when the cross rod 6 moves downwards or when the steel wire 5 drives the cross rod 6 to reset upwards is avoided. More specifically, the housing includes an upper housing 8 and a lower housing 9, and it should be noted that, in order to improve the reliability of the safety belt lock, not only the safety belt lock can be unlocked in an automatic unlocking manner, but also the safety belt can be unlocked by the manner that the passenger actively presses down the pressing portion 4, so that the upper end of the upper housing 8 exposes the upper side of the pressing portion 4 so as not to affect the process that the passenger actively presses down the pressing portion 4, and only the upper half section of the steel wire 5 and the connection relationship of the steel wire 5 and the connection position of the pressing portion 4 are protected by the upper housing 8. In addition, the lower housing 9 covers the lower half section of the steel wire 5, the cross bar 6 and the connection part between the pull rod 7 and the cross bar 6, that is, the lower end of the lower housing 7 is provided with a through hole through which the pull rod 7 can pass, so that the force is output to the pull rod 7 by controlling the motor, and the pull rod 7 can freely move downwards in the through hole at the lower end of the lower housing 7 to realize the pressing down of the final pressing part 4.
For better technical effect, a motion limit is set on the pull rod 7 which can move in the through hole of the lower shell 9, so as to ensure that the pull rod 7 has the lowest motion limit when the push part 4 is driven downwards to push down and the pull rod 7 has the highest motion limit when the push part 4 is elastically reset and drives the pull rod 7 to move upwards. Specifically, the rail 7 is provided with a low limit step surface with a radial dimension larger than that of the through hole on the upper side of the through hole of the lower shell 9, the pull rod 7 is provided with a high limit step surface with a radial dimension larger than that of the through hole on the lower side of the through hole, the lowest position and the highest position of the pull rod 7, which move up and down in the through hole, relative to the lock catch body 3 are realized through the arrangement of the high and low step surfaces, and the cross rod 6 connected with the pull rod 7 is provided with the same movement limit, so that the steel wire 5 arranged between the pressing part 4 and the cross rod 6 is tensioned at the moment or is in zero load and is not extruded so as to generate bending deformation, and the reliability of the working process of the safety belt lock catch is improved.
In the second specific embodiment, in order to obtain better technical effect, two steel wires 5 are symmetrically distributed on the same side face of the lock catch body 3, and the two steel wires 5 are respectively connected with the pressing part 4 and the cross rod 6, because the number of the steel wires 5 is increased, the effect of the cross rod 6 pulling the pressing part 4 through the steel wires 5 is improved, and the stability and the reliability of the cross rod 6 in the motion process of pulling the pressing part 4 to press and the motion process of the pressing part 4 to restore are improved through the steel wires 5 to drive the cross rod 6 to reset upwards. Specifically, the steel wire 5 is provided with a hook part 51 and a hanging bolt part 52, the hook part 51 and the hanging bolt part 52 are hooks in the shape of hook rings, the steel wire 5 is hooked on the convex round points of the pressing part 4 through the hook part 51, the steel wire 5 is hung on the annular groove of the cross rod 6 through the hanging bolt part 52, and the steel wire 5, the pressing part 4 is driven to be pressed down by the steel wire 5 and the pressing part 4 is driven to move upwards and the cross rod 6 is driven to reset upwards, so that the connection relation between the steel wire 5, the cross rod 6 and the pressing part 4 is fastened and reliable, and when the steel wire 5, the cross rod 6 and the pressing part 4 are in fastening and reliable connection relation when the steel wire 5 is pressed down due to the reset movement trend of the spring in the pressing part 4 and the downward acting force of the control motor; when the pressing part 4 is reset to the initial position, because the high limit boss arranged in the pull rod 7 applies downward action to the pull rod 7, the acting force is transmitted to the steel wire 5 through the pull rod 7, under the action of the upward spring reset force of the pressing part 4, the two acting forces are balanced and finally the pressing part 4 is restored to the initial position, and the steel wire 5 still has a state of tightening or zero acting force at the moment, that is, the steel wire 5 still has a firm and reliable connection relationship with the cross rod 6 and the pressing part 4. Of course, the above connection relationship is used as a detachable connection relationship, and has the advantages of being fast and convenient for the installation, the disassembly and the inspection and the maintenance of the safety belt lock catch, but the connection relationship between the steel wire 5 and the cross rod 6 and the pressing portion 4 should not be limited to the connection relationship, of course, the steel wire 5 can be fixedly connected with the cross rod 6 and the pressing portion 4, the connection manner has the structural characteristics of being more fastened and reliable, in order to further obtain the beneficial effects, the cross rod 6, the steel wire 5 and the pressing portion 4 can be made into an integrally formed structure, the complexity of the structure is greatly reduced, and the technical problems which can be solved by the original structure can still be realized, and the description is that no matter what connection manner is adopted by the steel wire 5 and the cross rod 6 and the pressing portion 4, the cross rod 6 can be realized to drive the pressing portion 4 to press down so as to unlock the safety belt from the lock catch body 3, the connection structure belongs to the description scope of the embodiment.
The safety belt buckle provided by the invention is described in detail above. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (9)
1. The safety belt lock catch is characterized by comprising a lock catch body (3) and a pressing part (4) which is arranged at the axial extending end of the lock catch body (3) and used for controlling unlocking of a safety belt, wherein the pressing part (4) is connected with one end of a steel wire (5), and a cross rod (6) connected with the other end of the steel wire (5) is arranged below the pressing part (4); the safety belt lock catch also comprises a shell arranged at the outer side of the lock catch body (3) and a pull rod (7) extending along the axial direction and fixedly connected with the cross rod (6), wherein the shell covers the steel wire (5) and the cross rod (6) so as to prevent the steel wire (5), the cross rod (6) and the movement thereof from being extruded and interfered, and the pull rod (7) is exposed from the shell and connected with the output end of the control motor so as to realize that the pull rod (7) drives the cross rod (6) to move along the axial direction relative to the lock catch body (3);
when the control motor controls the cross rod (6) to move along the axial direction far away from the pressing part (4) through the pull rod (7), the cross rod (6) drives the pressing part (4) to synchronously move along the axial direction along with the cross rod (6) through the steel wire (5), so that the pressing part (4) is pressed down relative to the lock catch body (3), and unlocking of the safety belt in the lock catch body (3) is realized.
2. The seat belt buckle according to claim 1, characterized in that the crossbar (6) extends in a radial direction and the radial dimension of the crossbar (6) is smaller than the radial dimension of the pressing portion (4).
3. The seat belt buckle according to claim 2, characterized in that the housing comprises an upper housing (8) with an upper end exposed out of the pressing portion (4), the upper housing (8) covering the upper half of the wire (5) and the connection of the wire (5) with the pressing portion (4); the shell further comprises a lower shell (9) with a through hole at the lower end for exposing the pull rod (7), and the lower shell (9) covers the lower half section of the steel wire (5), the cross rod (6) and the joint of the pull rod (7) and the cross rod (6).
4. A seat belt buckle according to claim 3, characterized in that the pull rod (7) is provided with a low limit step surface with a radial dimension larger than that of the through hole on the upper side of the through hole of the lower shell (9) so as to realize the lowest limit after the push rod (7) drives the pressing part (4) to press down; the pull rod (7) is provided with a high limit step surface with a radial dimension larger than that of the through hole at the lower side of the through hole so as to realize the highest limit of the upward spring restoration after the pressing part (4) is pressed down.
5. A seat belt buckle according to any one of claims 1 to 4, characterised in that the specific number of wires (5) is two, the wires (5) being symmetrically distributed on the same side of the buckle body (3).
6. The safety belt lock catch according to claim 5, wherein the steel wire (5) is provided with a hook portion (51), the hook portion (51) is a hook ring at the upper end of the steel wire (5), and the hook portion (51) is hooked on a convex round point of the pressing portion (4) so as to enable the steel wire (5) to drive the pressing portion (4) to press downwards.
7. The safety belt lock according to claim 6, wherein the number of the protruding dots is two, and the protruding dots are symmetrically arranged on the same side of the pressing portion (4) so as to realize the hook connection of the two steel wires (5) and the pressing portion (4).
8. The safety belt lock catch according to claim 5, characterized in that the steel wire (5) is provided with a hanging bolt portion (52), the hanging bolt portion (52) is a hook ring at the lower end of the steel wire (5), and the hanging bolt portion (52) is hung in an annular groove formed in a radial extension section of the cross rod (6) so as to enable the cross rod (6) to drive the steel wire (5) to move towards a direction away from the pressing portion (4).
9. The seat belt buckle according to claim 8, characterized in that the number of the annular grooves is two, which are symmetrically arranged on the left and right of the radial extension of the crossbar (6) for realizing the hitch connection of the two wires (5) with the crossbar (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811574112.2A CN109431013B (en) | 2018-12-21 | 2018-12-21 | Safety belt lock catch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811574112.2A CN109431013B (en) | 2018-12-21 | 2018-12-21 | Safety belt lock catch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109431013A CN109431013A (en) | 2019-03-08 |
| CN109431013B true CN109431013B (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811574112.2A Active CN109431013B (en) | 2018-12-21 | 2018-12-21 | Safety belt lock catch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109431013B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110179213A (en) * | 2019-07-08 | 2019-08-30 | 重庆光大产业有限公司 | A kind of safety belt lock catch |
| CN110316142A (en) * | 2019-07-17 | 2019-10-11 | 重庆光大产业有限公司 | An a kind of reliable and stable key unlocking type safety belt lock catch assembly |
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| CN109431013A (en) | 2019-03-08 |
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