CN218682464U

CN218682464U - Locking device of safety belt

Info

Publication number: CN218682464U
Application number: CN202223002556.3U
Authority: CN
Inventors: 李辉; 国斌; 于春生
Original assignee: Cooper New Energy Co ltd
Current assignee: Cooper New Energy Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-03-24
Anticipated expiration: 2032-11-07

Abstract

The utility model relates to a locking device of safety belt. The left lock catch component comprises a left catch chamber and a left lock tongue structure, and the right lock catch component comprises a right catch chamber and a right lock tongue structure; a left limiting clamping piece movably connected with the left lock catch assembly is arranged in the left buckle chamber, and a right limiting clamping piece movably connected with the right lock catch assembly is arranged in the right buckle chamber; the left spring bolt structure is detachably accommodated in the right buckling chamber and is in locking connection with the right buckling assembly through the right limiting clamping piece; the right lock tongue structure is detachably accommodated in the left lock chamber and is in locking connection with the left lock assembly through the left limiting clamping piece. The utility model discloses mode with two-way interlocking has improved locking device's security, can prevent that locking device accident from opening, and operation process is simple convenient.

Description

Locking device of safety belt

Technical Field

The utility model belongs to human safety protection apparatus field especially relates to a locking device of safety belt.

Background

The safety belt is a belt used for ensuring safety when being applied to equipment, riding aircrafts such as airplanes and the like, or working at high altitude and performing skill performance. The main raw materials are terylene, polypropylene fiber and nylon. The seat belt does not refer to the webbing alone, but includes other component devices such as a buckle device, etc., in addition to the webbing.

The conventional buckle locking device of a safety belt generally comprises a buckle seat and a buckle, wherein the buckle seat and the buckle are in snap fit, and a cavity is formed in the buckle seat for inserting and combining the corresponding buckle.

However, the above-mentioned locking device is relatively simple in structure and is a one-way clamping locking structure. When one or both of the buckle seat and the buckle is pulled by external force, the buckle seat and the buckle are easy to be separated from clamping, so that the locking device is opened accidentally, the danger of loosing of the safety belt is generated, the personal safety of a user is endangered, and the safety is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem who exists among the well-known art and provide a structural design is reasonable, the strong and simple operation's of security locking device of safety belt.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: a locking device of a safety belt comprises a left locking component and a right locking component, wherein the left locking component comprises a left locking chamber and a left spring bolt structure, and the right locking component comprises a right locking chamber and a right spring bolt structure; a left limiting clamping piece movably connected with the left lock catch assembly is arranged in the left buckle chamber, and a right limiting clamping piece movably connected with the right lock catch assembly is arranged in the right buckle chamber; the left spring bolt structure is detachably accommodated in the right buckling chamber and is in locking connection with the right buckling assembly through the right limiting clamping piece; the right lock tongue structure is detachably accommodated in the left lock chamber and is in locking connection with the left lock assembly through the left limiting clamping piece.

The utility model discloses an advantage is with positive effect: the utility model provides a locking device of a safety belt, which can lock and connect a left locking component and a right locking component in a bidirectional interlocking way by arranging the left locking component comprising a left locking chamber and a left spring bolt structure and the right locking component comprising a right locking chamber and a right spring bolt structure and matching a left limit fastener and a right limit fastener, thereby preventing the locking device from being automatically opened accidentally and providing safety guarantee for high-altitude operation personnel; in addition, the left limiting clamping piece and the right limiting clamping piece are arranged to abut against the corresponding right lock catch assembly and the corresponding left lock catch assembly to be clamped and matched, so that the lock catch of the lock catch device can be opened by an operator conveniently, the operator only needs to press the left limiting clamping piece and the right limiting clamping piece simultaneously, the bidirectional interlocking connection of the left lock catch assembly and the right lock tongue structure can be released, and the operation process is convenient. The utility model discloses mode with two-way interlocking has improved locking device's security, and operation process is simple convenient.

Preferably: the left locking assembly comprises a first left locking plate and a second left locking plate which are mutually butted, a first left positioning column and a second left positioning column which are used for connecting the first left locking plate and the second left locking plate into a whole are arranged between the first left locking plate and the second left locking plate, and the left limiting clamping piece is arranged on the second left positioning column in a penetrating way and is rotationally connected with the second left positioning column; the right locking component comprises a first right locking plate and a second right locking plate which are mutually butted, a first right positioning column and a second right positioning column which are connected into a whole are arranged between the first right locking plate and the second right locking plate, and the right limiting clamping piece is arranged on the second right positioning column in a penetrating way and is connected with the second right positioning column in a rotating way.

Preferably: the first left locking plate comprises a first belt connecting part, a first buckling chamber wall and a first locking tongue part which are integrally formed; the second left locking plate comprises a second belt connecting part, a second buckling chamber wall and a second locking tongue part which are integrally formed; the first buckling chamber wall and the second buckling chamber wall are both bent outwards to form convex parts, and the first buckling chamber wall and the second buckling chamber wall jointly act to form a left buckling chamber; the first bolt part and the second bolt part jointly form a left bolt structure.

Preferably: the structure of the first right locking plate is consistent with that of the first left locking plate; the structure of the second right locking plate is consistent with that of the second left locking plate; the first right locking plate and the second right locking plate jointly act to form a right buckling chamber and a right locking tongue structure.

Preferably: the left limiting clamping piece comprises an outer abutting part, a stressed part and an inner abutting part which are integrally formed, a mounting through hole is formed in the transition position of the stressed part and the inner abutting part, and a second left positioning column penetrates through the mounting through hole; when left hasp subassembly and right hasp subassembly were in the locking connected state, outer support to lean on the portion to lean on the cooperation with left hasp subassembly, and interior support to lean on portion and right latch structure to lean on the cooperation.

Preferably: the structure of the right limit clamping piece is consistent with that of the left limit clamping piece.

Preferably: the left lock catch component and the right lock catch component are both provided with an identification transparent window and a safety identification; when the left lock catch assembly and the right lock catch assembly are in a locking connection state, the identification through window on the left lock catch assembly is over against the safety identification on the right lock catch assembly, and the identification through window on the right lock catch assembly is over against the safety identification on the left lock catch assembly.

Preferably: the tail end of the left lock catch component and the tail end of the right lock catch component are both provided with a belt penetrating groove and an anti-abrasion strip.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of a first left lock plate of the present invention;

fig. 3 is a schematic perspective view of a second left-locking plate of the present invention;

FIG. 4 is a schematic view of the assembly of the present invention;

fig. 5 is a schematic perspective view of the left limit clip of the present invention;

fig. 6 is a schematic view of the internal situation of the present invention.

In the figure: 1. a first left lock plate; 1-1, a first belt connection; 1-2, a first buckle chamber wall; 1-3, a first tab portion; 2. a second left locking plate; 2-1, a second belt connection; 2-2, a second buckle chamber wall; 2-3, a second locking tongue portion; 3. a first left positioning column; 4. marking the transparent window; 5. a second left positioning column; 6. a left limit fastener; 6-1, an outer abutting part; 6-2, a stress part; 6-3, installing a through hole; 6-4, an inner abutting part; 7. a left buckling chamber; 8. a first right lock plate; 9. a second right lock plate; 10. a right buckling chamber; 11. a first right positioning column; 12. a second right positioning column; 13. a right limit fastener; 14. a belt penetrating groove; 15. an anti-wear strip; 16. and (4) safety identification.

Detailed Description

In order to further understand the contents, characteristics and functions of the present invention, the following embodiments are described in detail:

referring to fig. 1 and 4, the buckle device of the safety belt of the present invention includes a left buckle assembly and a right buckle assembly, the left buckle assembly includes a left buckle chamber 7 and a left latch structure, and the right buckle assembly includes a right buckle chamber 10 and a right latch structure. A left limit clamping piece 6 movably connected with the left lock catch component is arranged in the left buckle chamber 7, and a right limit clamping piece 13 movably connected with the right lock catch component is arranged in the right buckle chamber 10; the left bolt structure is detachably accommodated in the right buckle chamber 10 and is in locking connection with the right buckle component through a right limiting clamping piece 13; the right lock tongue structure is detachably accommodated in the left lock chamber 7 and is in locking connection with the left lock catch assembly through the left limiting clamping piece 6.

In addition, in order to facilitate the user to use the unlocking device, the left locking assembly and the right locking assembly are both provided with an identification transparent window 4 and a safety identification 16. When the left lock catch assembly and the right lock catch assembly are in a locking connection state, the identification through window 4 on the left lock catch assembly is over against the safety identification 16 on the right lock catch assembly, and the identification through window 4 on the right lock catch assembly is over against the safety identification 16 on the left lock catch assembly.

As shown in fig. 4, the left locking assembly further includes a first left locking plate 1 and a second left locking plate 2 which are butted with each other, a first left positioning column 3 and a second left positioning column 5 which connect the first left locking plate 1 and the second left locking plate 2 into a whole are installed between the two plates, wherein the first left positioning column 3 and the second left positioning column 5 are arranged in parallel. The first left locking plate 1 and the second left locking plate 2 jointly form a left buckling chamber 7 and a left bolt structure.

Further referring to fig. 2, the first left lock plate 1 comprises a first belt connecting part 1-1, a first buckle chamber wall 1-2 and a first lock tongue part 1-3 which are integrally formed; the belt threading groove 14 for threading the safety belt is formed in the first belt connecting portion 1-1, the anti-abrasion strip 15 adjacent to the belt threading groove 14 is arranged on the first belt connecting portion 1-1, and friction damage of the safety belt and the locking device can be effectively reduced by arranging the anti-abrasion strip 15. The first buckling chamber wall 1-2 and the first tongue locking portion 1-3 are integrally formed on the same side of the first belt connecting portion 1-1, wherein the first buckling chamber wall 1-2 is bent outwards to form a convex portion, the first tongue locking portion 1-3 is bent into a hook shape, and a bent opening of the first tongue locking portion 1-3 is opposite to the first buckling chamber wall 1-2. In addition, the identification window 4 is arranged on the first buckling chamber wall 1-2, and the safety identification 16 is arranged on the first tongue-locking portion 1-3 and is green. In addition, an arc-shaped stop edge is formed at the transition position of the first belt connecting part 1-1 and the first buckle chamber wall 1-2.

With further reference to fig. 3, the second left locking plate 2 comprises a second belt connecting part 2-1, a second buckling chamber wall 2-2 and a second locking tongue part 2-3 which are integrally formed; similar to the first left lock plate 1, a belt threading groove 14 for threading a safety belt is formed on the second belt connecting part 2-1, and an anti-wear strip 15 adjacent to the belt threading groove 14 is arranged on the second belt connecting part 2-1; wherein, two in the left hasp subassembly wear the trough of belt 14 butt joint to constitute the notch that can pass the safety belt, and two abrasionproof strips 15 in the left hasp subassembly set up relatively and then further reduce the friction damage of safety belt and locking device. The second buckling chamber wall 2-2 and the second tongue locking portion 2-3 are integrally formed on the same side of the second belt connecting portion 2-1, wherein the second buckling chamber wall 2-2 is bent outwards to form a convex portion, the second tongue locking portion 2-3 is bent to be hook-shaped, and a bent opening of the second tongue locking portion 2-3 is opposite to the second buckling chamber wall 2-2. In addition, an arc-shaped stop edge is formed at the transition position of the second belt connecting part 2-1 and the second buckle chamber wall 2-2.

As shown in fig. 1 and 4, when the first left lock plate 1 and the second left lock plate 2 are butted, the first buckling chamber wall 1-2 and the second buckling chamber wall 2-2 cooperate to form a left buckling chamber 7, and the first bolt portion 1-3 and the second bolt portion 2-3 cooperate to form a left bolt structure. In addition, in order to facilitate the use state of the unlocking device for users, the second buckling chamber wall 2-2 is also provided with a mark through window 4, and the second tongue locking portion 2-3 is also provided with a green safety mark 16.

As shown in fig. 1 and 4, the right locking assembly includes a first right locking plate 8 and a second right locking plate 9 that are butted with each other, a first right positioning pillar 11 and a second right positioning pillar 12 that connect the first right locking plate 8 and the second right locking plate 9 into a whole are installed between the two plates, and the first right positioning pillar 11 and the second right positioning pillar 12 are arranged in parallel.

In order to facilitate disassembly and assembly and reduce processing cost, in this embodiment, the structure of the first right locking plate 8 is the same as that of the first left locking plate 1; the structure of the second right locking plate 9 is identical to that of the second left locking plate 2. The first right-locking plate 8 and the second right-locking plate 9 jointly form a right buckling chamber 10 and a right bolt structure.

Referring to fig. 4, in the present embodiment, the left limiting clamping member 6 is located in a left clamping chamber 7 formed by the first left locking plate 1 and the second left locking plate 2, and the left limiting clamping member 6 is disposed on the second left positioning column 5 in a penetrating manner and is rotatably connected therewith. The right limit clamping piece 13 is positioned in a right buckling chamber 10 formed by the combined action of the first right locking plate 8 and the second right locking plate 9, and the right limit clamping piece 13 penetrates through the second right positioning column 12 and is rotationally connected with the second right positioning column.

Further referring to fig. 5, the left limiting clamping piece 6 comprises an outer abutting portion 6-1, a force bearing portion 6-2 and an inner abutting portion 6-4 which are integrally formed, a mounting through hole 6-3 is formed in the transition position of the force bearing portion 6-2 and the inner abutting portion 6-4, and the second left positioning column 5 penetrates through the mounting through hole 6-3. In this embodiment, the structure of the right limit catch 13 is identical to the structure of the left limit catch 6. As shown in FIG. 6, the outer abutting part 6-1 and the force receiving part 6-2 of the left limit clip 6 are positioned outside the left clipping chamber 7, and the outer abutting part and the force receiving part of the right limit clip 13 are positioned outside the right clipping chamber 10.

With further reference to fig. 6, when the left locking assembly and the right locking assembly are in a locked connection state, the outer abutting portion 6-1 of the left limiting clamping piece 6 abuts against and fits with the side wall of the left buckling chamber 7 (i.e. the stop edge of the left locking assembly), and the inner abutting portion 6-4 of the left limiting clamping piece 6 abuts against and fits with the right latch structure formed by the combined action of the first right locking plate 8 and the second right locking plate 9; in addition, at this time, the right spring bolt structure is arranged between the left limiting clamping piece 6 and the first left positioning column 3 in a penetrating mode, one side of the right spring bolt structure abuts against the left limiting clamping piece 6, and the other opposite side of the right spring bolt structure abuts against the first left positioning column 3. When the left locking component and the right locking component are in a locking connection state, the outer abutting part of the right limiting clamping piece 13 is abutted and matched with the side wall of the right locking chamber 10 (namely the stop edge of the right locking component), and the inner abutting part of the right limiting clamping piece 13 is abutted and matched with a left spring bolt structure formed by the combined action of the first right locking plate 8 and the second right locking plate 9; in addition, at this time, the left bolt structure penetrates between the right limit clamping piece 13 and the second right positioning column 12, one side of the left bolt structure abuts against the right limit clamping piece 13, and the other opposite side abuts against the second right positioning column 12.

When an operator presses the stressed part 6-2 of the left limiting clamping piece 6 towards the left locking component, the inner abutting part 6-4 rotates towards the direction departing from the right locking component around the central line of the second left positioning column 5, and in addition, when the operator presses the stressed part of the right limiting clamping piece 13 towards the right locking component, the inner abutting part rotates towards the direction departing from the left locking component around the central line of the second right positioning column 12. In order to facilitate the operation of users, the outer side surfaces of the stress parts of the left limiting clamping piece 6 and the right limiting clamping piece 13 are provided with anti-skid grains. The above arrangement accords with ergonomics, the lock catch can be opened only by pressing the limiting clamping piece, and the operation process is convenient.

The utility model discloses a locking device adopts stainless steel, and factor of safety is high and difficult corrosion damage.

The use process comprises the following steps:

the two ends of the safety belt respectively penetrate through the belt penetrating groove 14 and are connected with the locking device, when the safety belt is used, only the right lock tongue structure in the right locking assembly is required to be ensured to penetrate between the left limiting clamping piece 6 and the first left positioning column 3, and the left lock tongue structure in the left locking assembly is required to penetrate between the right limiting clamping piece 13 and the second right positioning column 12, and then the two are pushed in opposite directions, so that the inner abutting part 6-4 of the left limiting clamping piece 6 abuts against the right lock tongue structure, the inner abutting part of the right limiting clamping piece 13 abuts against the left lock tongue structure, at the moment, the stressed part 6-2 of the left limiting clamping piece 6 abuts against the stop edge of the left locking assembly, the stressed part of the right limiting clamping piece 13 abuts against the stop edge of the right locking assembly, at the moment, the left locking assembly and the right locking assembly are in a locking connection state, a bidirectional interlocking mode is adopted, accidental automatic opening is prevented, safety guarantee is provided for high-altitude operation personnel, and in addition, when the safety mark 16 can be seen through the window 4 by the high-altitude operation personnel;

when the locking connection state of the left locking component and the right locking component needs to be released, the limit clamping piece and the corresponding lock tongue structure can be released by pressing the stress part of the left limit clamping piece 6 and the stress part of the right limit clamping piece 13 simultaneously, and then the locking connection of the locking device is opened, so that the operation process is convenient.

Claims

1. The utility model provides a locking device of safety belt which characterized in that: the left lock catch assembly comprises a left catch chamber (7) and a left bolt structure, and the right lock catch assembly comprises a right catch chamber (10) and a right bolt structure;

a left limit fastener (6) movably connected with the left lock catch component is arranged in the left buckle chamber (7), and a right limit fastener (13) movably connected with the right lock catch component is arranged in the right buckle chamber (10);

the left bolt structure is detachably accommodated in the right buckle chamber (10) and is connected with the right buckle component in a locking way through a right limiting clamping piece (13);

the right lock tongue structure is detachably accommodated in the left lock chamber (7) and is in locking connection with the left lock catch assembly through the left limiting clamping piece (6).

2. The buckle device of a safety belt according to claim 1, wherein: the left locking assembly comprises a first left locking plate (1) and a second left locking plate (2) which are mutually butted, a first left positioning column (3) and a second left positioning column (5) which connect the first left locking plate (1) and the second left locking plate (2) into a whole are arranged between the first left locking plate and the second left locking plate, and a left limiting clamping piece (6) penetrates through the second left positioning column (5) and is rotatably connected with the second left positioning column; the right locking assembly comprises a first right locking plate (8) and a second right locking plate (9) which are mutually butted, a first right positioning column (11) and a second right positioning column (12) which are connected into a whole are arranged between the first right locking plate (8) and the second right locking plate (9), and a right limiting clamping piece (13) is arranged on the second right positioning column (12) in a penetrating mode and is connected with the second right positioning column in a rotating mode.

3. The buckle device of a safety belt according to claim 2, wherein: the first left lock plate (1) comprises a first belt connecting part (1-1), a first buckling chamber wall (1-2) and a first lock tongue part (1-3) which are integrally formed; the second left locking plate (2) comprises a second belt connecting part (2-1), a second buckling chamber wall (2-2) and a second locking tongue part (2-3) which are integrally formed; the first buckling chamber wall (1-2) and the second buckling chamber wall (2-2) are both bent outwards to form convex parts, and the first buckling chamber wall (1-2) and the second buckling chamber wall (2-2) jointly act to form a left buckling chamber (7); the first bolt locking part (1-3) and the second bolt locking part (2-3) jointly act to form a left bolt locking structure.

4. The seatbelt buckle device according to claim 3, wherein: the structure of the first right locking plate (8) is consistent with that of the first left locking plate (1); the structure of the second right locking plate (9) is consistent with that of the second left locking plate (2); the first right locking plate (8) and the second right locking plate (9) jointly act to form a right buckling chamber (10) and a right lock tongue structure.

5. The buckle device of a safety belt according to claim 4, wherein: the left limiting clamping piece (6) comprises an outer abutting part (6-1), a stress part (6-2) and an inner abutting part (6-4) which are integrally formed, a mounting through hole (6-3) is formed in the transition position of the stress part (6-2) and the inner abutting part (6-4), and a second left positioning column (5) penetrates through the mounting through hole (6-3); when the left lock catch component and the right lock catch component are in a locking connection state, the outer abutting part (6-1) is abutted and matched with the left lock catch component, and the inner abutting part (6-4) is abutted and matched with the right lock tongue structure.

6. The buckle device of a safety belt according to claim 5, wherein: the structure of the right limit clamping piece (13) is consistent with that of the left limit clamping piece (6).

7. The seatbelt buckle device according to any one of claims 1 to 6, wherein: the left lock catch component and the right lock catch component are both provided with a mark through window (4) and a safety mark (16); when the left lock catch assembly and the right lock catch assembly are in a locking connection state, the identification through window (4) on the left lock catch assembly is over against the safety identification (16) on the right lock catch assembly, and the identification through window (4) on the right lock catch assembly is over against the safety identification (16) on the left lock catch assembly.

8. The buckle device of a safety belt according to claim 7, wherein: the tail end of the left lock catch component and the tail end of the right lock catch component are both provided with a belt penetrating groove (14) and an anti-abrasion strip (15).