CN110834600A

CN110834600A - Safety belt anti-slip buckle

Info

Publication number: CN110834600A
Application number: CN201810940688.XA
Authority: CN
Inventors: 曹旸
Original assignee: JIANGSU LUCKY BABY SAFETY SYSTEM Manufacturing Co Ltd
Current assignee: JIANGSU LUCKY BABY SAFETY SYSTEM Manufacturing Co Ltd
Priority date: 2018-08-17
Filing date: 2018-08-17
Publication date: 2020-02-25

Abstract

The invention relates to a safety belt anti-slip buckle, wherein both sides of a fixed lower plate are respectively provided with a left wing plate and a right wing plate which are vertically turned upwards, an upper limiting groove and a lower limiting groove are respectively arranged on the fixed upper plate and the fixed lower plate, a sliding block guided by the upper limiting groove and the lower limiting groove is arranged in an insertion cavity, and the rear end of the sliding block is tightly propped against a connecting spring; the front parts of the left wing plate and the right wing plate are respectively provided with a sliding groove, sliding pins are connected to the two sliding grooves in a penetrating mode, the rear parts of the lock catches are provided with lock catch bayonets limited by the upper limiting blocks, the middle parts of the lock catches are arranged below the sliding pins and are in a lifting driving rotating state along the sliding grooves along with the sliding pins, the front parts of the lock catches are provided with lock catch heads extending into or departing from the lock catch through holes in a rotating mode, and inserting ends of the inserting mechanisms are provided with lock catch openings corresponding to the lock catch through holes. The safety belt connecting and disconnecting device is compact in structure, quick in connecting and disconnecting operation, and sufficient in strength to bear the tensile force transmitted by the safety belt, and reduces the manufacturing and assembling cost and difficulty.

Description

Safety belt anti-slip buckle

Technical Field

The invention relates to a safety belt, in particular to a safety belt slip-stopping buckle.

Background

The child safety chair restrains the child by the safety belt, the buckle pulling mechanism connected with the child safety chair can quickly connect and disconnect the safety belt, and the child safety chair has enough strength to bear the tensile force transmitted by the safety belt. In order to avoid potential safety hazards, the existing pull buckle product has the defects of complex structure of parts, difficult manufacture and assembly and high manufacture cost.

Disclosure of Invention

The invention provides a safety belt slip-stop buckle which has compact structure, quick connection and disconnection operation, enough strength to bear the tensile force transmitted by a safety belt and reduced manufacturing and assembling cost and difficulty.

The technical scheme of the invention is as follows: the utility model provides a safety belt antiskid is detained which characterized in that: the sliding block comprises a sliding plate, an upper limiting block and a lower limiting block, the sliding plate is correspondingly arranged in the inserting cavity, the upper limiting block and the lower limiting block are respectively arranged on the sliding plate and correspondingly arranged in the upper limiting groove and the lower limiting groove, the rear end of the sliding block is tightly abutted against the spring, and the spring is tightly abutted against the fixed upper plate or the fixed lower plate; the fixed upper plate is provided with a lock catch through hole positioned at the front part of the upper limiting groove; the left wing plate and the right wing plate are connected in a penetrating mode to be arranged on the rotatable lock catch above the fixed upper plate, sliding grooves are formed in the upper front portion of the left wing plate and the upper front portion of the right wing plate, sliding pins are connected in a penetrating mode to the two sliding grooves, the rear portion of the lock catch is provided with a lock catch bayonet limited by the upper limiting block, the middle of the lock catch is arranged below the sliding pins and is in a lifting driving rotating state along the sliding grooves along with the sliding pins, the front portion of the lock catch is provided with a lock catch head corresponding to the lock catch through hole and extending into or separating from the lock catch through hole in a rotating mode.

Furthermore, the rear part of the fixed lower plate or the rear part of the fixed upper plate is provided with a spring post which leads the penetrating spring forwards and backwards.

Furthermore, the fixed upper plate and the fixed lower plate are respectively provided with two upper limiting grooves and two lower limiting grooves in the front-back direction, two sliding blocks are arranged in the insertion cavity, and the upper limiting blocks and the lower limiting blocks of the two sliding blocks respectively correspond to the two groups of upper limiting grooves and the two groups of lower limiting grooves.

Furthermore, the spring post is of a structure formed by stamping a limiting groove and grooving inwards.

Furthermore, the rear part of the lock catch is connected with the rear parts of the two wing plates through a rotating shaft, or the rear parts of the two wing plates are provided with a fan-shaped rotating interface, and the rear part of the lock catch is provided with lug plates which are penetrated in the fan-shaped rotating interface to be in a fan-shaped rotating state around the fan-shaped rotating interface.

Furthermore, the sliding groove is obliquely arranged along the wing plate from front to back.

When the inserting hook is inserted, the head of the inserting hook is inserted into the inserting cavity to push the sliding plate of the sliding block to move backwards by overcoming the acting force of the spring, the sliding block is separated from a lock catch bayonet of the lock catch to limit, the sliding pin is influenced by other thrust or dead weight to move downwards in the sliding grooves on the left wing plate and the right wing plate, the sliding pin presses the front part of the lock catch downwards to enable the lock catch to rotate towards the front lower part, the lock catch head at the front part of the lock catch penetrates through a lock catch through hole on the fixed upper plate to be clamped into the lock catch opening of the inserting opening, the inserting locking of the inserting hook in the inserting cavity is realized; when the inserting hook needs to be pulled out, the sliding pin is pushed to move upwards along the sliding groove, the sliding pin presses the rear part of the lock catch downwards to enable the front part of the lock catch to rotate upwards to enable the lock catch head at the front part of the lock catch to be separated from the lock catch through hole in the fixed upper plate and the lock catch opening of the inserting hook, and the head part of the inserting hook pops out under the restoring acting force of the spring of the sliding block, so that the pulling-out or popping-out unlocking of. The device has compact integral structure, quick connection and disconnection operation, enough strength to bear the tensile force transmitted by the safety belt, and reduced manufacturing and assembling cost and difficulty.

Drawings

FIG. 1 is an exploded perspective view of the present invention;

FIG. 2 is a schematic bottom view of the fixed upper plate of the present invention;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is a schematic bottom view of FIG. 3;

FIG. 5 is a schematic view of a plugging structure of the present invention;

fig. 6 is a schematic view of the internal structure of fig. 5.

In the figure: the locking device comprises an insertion hook 1, a locking opening 2, a fixed lower plate 3, a fixed upper plate 4, a sliding block 5, a sliding plate 6, an upper limiting block 7, a lower limiting block 8, a spring 9, an upper limiting groove 10, a lower limiting groove 11, a locking through hole 12, a spring column 13, a lower folded edge 14, a left wing plate 15, a right wing plate 16, a fan-shaped rotary interface 17, a sliding groove 18, a sliding pin 19, a locking buckle 20, a locking buckle bayonet 21, an ear plate 22 and a locking buckle head 23.

Detailed Description

The following further description is made in conjunction with the accompanying drawings and examples.

As shown in fig. 1 to 6, a safety belt anti-slip buckle includes an insertion hook 1, a fixed lower plate 3, a fixed upper plate 4, a sliding block 5, a spring 9, a spring post 13, a sliding pin 19, and a buckle 20. The two sides of the fixed lower plate 3 are respectively provided with a left wing plate 15 and a right wing plate 16 which are vertically turned upwards, the left and right limits of the fixed upper plate 4 are arranged between the two wing plates and are covered on the fixed lower plate to form an insertion cavity for inserting and hooking, the fixed upper plate and the fixed lower plate are respectively provided with an upper limit groove 10 and a lower limit groove 11 in the front-back direction, a sliding block 5 is arranged in the insertion cavity, the sliding block 5 comprises a sliding plate 6, an upper limit block 7 and a lower limit block 8, the sliding plate is correspondingly arranged in the insertion cavity, the upper limit block 7 and the lower limit block 8 are respectively arranged on the sliding plate 6 and correspondingly arranged in the upper limit groove 10 and the lower limit groove 11, the rear end of the sliding block is tightly connected with a spring 9, the spring 9 is tightly connected on a lower folded edge 14 at the upper rear part of the fixed lower plate 3; the fixed upper plate 4 is provided with a lock catch through hole 12 positioned at the front part of the upper limiting groove; the upper rear parts of the left wing plate 15 and the right wing plate 16 are connected with a rotatable lock catch 20 which is arranged above the fixed upper plate in a penetrating way, the rear parts of the two wing plates are provided with a fan-shaped rotating interface 17, and the rear parts of the lock catch 20 are provided with lug plates 22 which are connected in the fan-shaped rotating interface 17 in a penetrating way and are in a fan-shaped rotating state around the fan-shaped rotating interface; the upper front parts of the left wing plate and the right wing plate are respectively provided with a sliding groove 18 which is obliquely arranged from front to back, sliding pins 19 are connected on the two sliding grooves in a penetrating manner, the rear part of each lock catch 20 is provided with a lock catch bayonet 21 which is limited by the upper limiting block 5, the middle part of each lock catch 20 is arranged below the corresponding sliding pin 19 and is in a lifting driving rotating state along the sliding groove 18 along with the sliding pin, the front part of each lock catch 20 is provided with a lock catch head 23 which is rotationally inserted or separated into or from the corresponding lock catch through hole 12, and the inserting end of each inserting hook is provided with a lock catch port 2 which is locked with the lock catch.

Claims

1. The utility model provides a safety belt antiskid is detained which characterized in that: the sliding block comprises a sliding plate, an upper limiting block and a lower limiting block, the sliding plate is correspondingly arranged in the inserting cavity, the upper limiting block and the lower limiting block are respectively arranged on the sliding plate and correspondingly arranged in the upper limiting groove and the lower limiting groove, the rear end of the sliding block is tightly abutted against the spring, and the spring is tightly abutted against the fixed upper plate or the fixed lower plate; the fixed upper plate is provided with a lock catch through hole positioned at the front part of the upper limiting groove; the left wing plate and the right wing plate are connected in a penetrating mode to be arranged on the rotatable lock catch above the fixed upper plate, sliding grooves are formed in the upper front portion of the left wing plate and the upper front portion of the right wing plate, sliding pins are connected in a penetrating mode to the two sliding grooves, the rear portion of the lock catch is provided with a lock catch bayonet limited by the upper limiting block, the middle of the lock catch is arranged below the sliding pins and is in a lifting driving rotating state along the sliding grooves along with the sliding pins, the front portion of the lock catch is provided with a lock catch head corresponding to the lock catch through hole and extending into or separating from the lock catch through hole in a rotating mode.

2. The seat belt buckle as claimed in claim 1, wherein: and the rear part of the fixed lower plate or the rear part of the fixed upper plate is provided with a spring post which is used for guiding the penetrating spring from front to back.

3. The seat belt buckle as claimed in claim 1, wherein: the fixed upper plate and the fixed lower plate are respectively provided with two upper limiting grooves and two lower limiting grooves in the front-back direction, two sliding blocks are arranged in the insertion cavity, and the upper limiting blocks and the lower limiting blocks of the two sliding blocks respectively correspond to the two groups of upper limiting grooves and the two groups of lower limiting grooves.

4. The seat belt buckle as recited in claim 2, wherein: the spring post is of a structure formed by stamping a limiting groove and grooving inwards.

5. The seat belt buckle as claimed in claim 1, wherein: the rear parts of the lock catches are connected with the rear parts of the two wing plates through rotating shafts, or the rear parts of the two wing plates are provided with fan-shaped rotating interfaces, and the rear parts of the lock catches are provided with lug plates which penetrate through the fan-shaped rotating interfaces to be in fan-shaped rotating states around the fan-shaped rotating interfaces.

6. The seat belt buckle as claimed in claim 1, wherein: the sliding groove is obliquely arranged along the wing plate from front to back.