CN211186073U

CN211186073U - Safety belt buckle lock

Info

Publication number: CN211186073U
Application number: CN201921347518.7U
Authority: CN
Inventors: 朱日何
Original assignee: Wenzhou Dongjinlong Safety Equipment Co ltd
Current assignee: Wenzhou Dongjinlong Safety Equipment Co ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-08-07
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses a safety belt buckle lock, the buckle spring comprises a main body spring and an auxiliary body spring which are spirally arranged, the auxiliary body spring is positioned in the main body spring, the bottom end of the auxiliary body spring is fixedly connected with the bottom end of the main body spring, the movable buckle is provided with an assembly groove for assembling the buckle spring, the bottom of the assembly groove is provided with a boss for clamping the auxiliary body spring, two sides of the inner wall are provided with grooves, the grooves are internally provided with an elastic piece and a ball, the elastic piece drives part of the ball to move out of the grooves, and is clamped on the main body spring, a spring seat is arranged on the other end of the buckle spring corresponding to the movable buckle, the spring seat comprises a base plate, wherein an inner wall and an outer wall are formed on the base plate, the inner wall extends along the inner peripheral side of the main body spring, the outer wall extends along the outer periphery of the main body spring, and the end part of the inner wall is abutted to the auxiliary body spring. After improvement, the durability of the safety lock catch is improved.

Description

Safety belt buckle lock

Technical Field

The utility model relates to a car safety hasp field, more specifically say, it relates to a safety belt padlock.

Background

At present, five point type safety belt locks are mainly applied to the car, provide the padlock body that can the joint of a plurality of safety belt of block fit for the car, and the precision degree that the hasp body set up has directly decided the factor of safety and the simple and convenient degree of use of safety belt, and application number 201120019837.2's patent document discloses a five point type sports car safety belt locks, including the safety belt joint with the buckle body that the safety belt joint matches mutually, its characterized in that: the padlock body include hasp casing, knob lid, knot spring, hasp dish, spring holder, activity knot, fixed knot, be equipped with the breach that can supply the safety belt connector block to join in marriage on the circumference of one end of hasp casing, the other end of hasp casing is equipped with the cavity, is equipped with the main shaft in the cavity, and the main shaft is connected with the knob lid, still overlaps on the main shaft to be equipped with the hasp dish, just the dropout dish establish at the cavity in constitute normal running fit with the main shaft, installed the activity on the dropout dish and detain with fixed, the activity is detained and is extended to the breach department of hasp casing respectively with the one end of fixed knot, the activity is detained and is equipped with the knot spring in the other end of fixed knot, the other end and the spring holder of detaining the spring are contradicted, the spring holder is. When the safety belt buckle is operated, the knob cover is rotated freely from left to right to drive the main shaft to rotate, the pin shaft penetrating through the main shaft slides from left to right on the V-shaped notch of the tripping plate, so that the movable buckle assembled on the tripping plate stretches out and draws back within the elastic range of the buckle spring, and the safety belt joint can be easily separated from the buckle lock body. When realizing safety belt joint and padlock body separation, the knot spring that the activity was buckled plays very big effect, needs continuous deformation at the during operation, loses elasticity easily after using for a long time, leads to holistic padlock can't continue to use. The buckle spring is when detaining the equipment with the activity, and one end is located the activity and buckles, and the other end is inconsistent with the spring holder, and such structure for spring assembly's fastness is not good, uses the back for a long time, takes place the condition that the buckle spring breaks away from the spring holder easily, can cause the unable continuation of whole padlock to use equally. How to improve the durability of the latch is therefore a critical issue.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, the utility model aims to provide a more durable safety belt hasp.

In order to achieve the above purpose, the utility model provides a following technical scheme: a safety belt buckle lock comprises a buckle lock body which is matched with a safety belt joint in a clamping way, the buckle lock body comprises a buckle lock shell and a base, the buckle lock shell and the base are fixed through a main shaft arranged in the center and screws on the periphery, a notch which can be matched with the safety belt joint in the clamping way is arranged on the outer circumferential surface of the buckle lock shell, a knob cover is arranged at the control end of the main shaft, a tripping disc is further sleeved on the main shaft, the tripping disc is arranged in a concave cavity and is in rotating fit with the main shaft, a movable buckle and a fixed buckle are arranged on the tripping disc, one end of the movable buckle and one end of the fixed buckle extend to the notch of the buckle lock shell respectively, a buckle spring is arranged in the other end of the movable buckle and the fixed buckle and comprises a main spring and an auxiliary spring which are arranged in a spiral way, the auxiliary spring is arranged in the main spring, the bottom end of the auxiliary spring is fixedly connected with the bottom, be equipped with the boss that the vice body spring was established to the card on the bottom of assembly groove, the inner wall both sides are equipped with the recess, are equipped with elastic component and ball in the recess, the elastic component orders about the part of ball and shifts out the recess to the card is located on the main part spring, be equipped with the spring holder on the other end that the activity of detaining spring correspondence was detained, the spring holder includes the base plate, form on the base plate by inner wall and outer wall, the inner wall extends along the interior periphery of main part spring, and the outer wall extends along the periphery of main part spring, the tip and the vice body spring of inner wall are.

The utility model discloses further set up to: the fixed knot is equipped with the direction inclined plane far away from one of utensil knot spring and serves, be equipped with the spacing groove on the inner wall of breach on the hasp casing, the lug is not located to the spacing groove, have on the lug with fixed knot on the identical wedge face of direction inclined plane.

The utility model discloses further set up to: the safety belt joint comprises an inserting end and a buckling end, wherein the buckling end is provided with a buckling ring, an annular groove is formed in the inner wall of the buckling ring, a rubber strip is embedded in the annular groove, and the end face, extending out of the annular groove, of the rubber strip is provided with triangular clamping teeth.

Through adopting above-mentioned technical scheme, detain the spring structure improvement in the activity is detained, makes under the long-term state of using, is difficult for losing elasticity, and life is longer. And the assembly mode of the buckle spring is improved, so that the assembly firmness of the buckle spring in the safety lock catch is improved, and the working stability of the safety lock catch is favorably improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the latch body;

fig. 3 is an enlarged view of a portion a in fig. 2.

1. A safety belt joint; 10. a retaining ring; 11. an annular groove; 12. a rubber strip; 13. clamping teeth; 2. a lock body; 20. A notch; 21. a fixing buckle; 22. A movable buckle; 23. buckling a spring; 230. A main body spring; 231. a secondary body spring; 232. assembling a groove; 233. a boss; 234. a groove; 235. an elastic member; 236. a ball bearing; 237. a spring seat; 238. a substrate; 239. an inner wall; 240. an outer wall; 25. A limiting groove; 26. and (4) a bump.

Detailed Description

Embodiments of the present invention are further described with reference to fig. 1 to 3.

A safety belt buckle lock comprises a buckle lock body 2, a safety belt joint 1 and the safety belt joint 1 are clamped and matched, the buckle lock body 2 comprises a buckle lock shell and a base, the buckle lock shell and the base are fixed through a main shaft arranged in the center and screws on the periphery, a notch 20 for clamping and matching the safety belt joint 1 is arranged on the outer circumferential surface of the buckle lock shell, a knob cover is arranged at the control end of the main shaft, a tripping disc is further sleeved on the main shaft and is arranged in a concave cavity to be in rotating fit with the main shaft, a movable buckle 22 and a fixed buckle 21 are arranged on the tripping disc, one end of the movable buckle 22 and one end of the fixed buckle 21 extend to the notch 20 of the buckle lock shell respectively, a buckle spring 23 is arranged in the other end of the movable buckle 22 and the other end of the fixed buckle 21, the buckle spring 23 comprises a main body spring 230 and an auxiliary body spring 231 which are arranged in a spiral shape, the auxiliary body spring 231 is arranged in the main body spring, the movable buckle 22 is provided with an assembly groove 232 for assembling the buckle spring 23, the bottom of the assembly groove 232 is provided with a boss 233 for clamping the auxiliary body spring 231, two sides of an inner wall 239 are provided with grooves 234, an elastic member 235 and a ball 236 are arranged in the grooves 234, the elastic member 235 drives a part of the ball 236 to move out of the grooves 234 and is clamped on the main body spring 230, the other end of the buckle spring 23 corresponding to the movable buckle 22 is provided with a spring seat 237, the spring seat 237 comprises a base plate 238, the base plate 238 is formed by the inner wall 239 and an outer wall 240, the inner wall 239 extends along the inner peripheral side of the main body spring 230, the outer wall 240 extends along the outer periphery of the main body spring 230, and the end part of the inner wall 239 is abutted against.

The buckle spring 23 on the movable buckle 22 is structurally improved and consists of the main body spring 230 and the auxiliary body spring 231, so that the durability of the buckle spring 23 can be improved, and the buckle spring is not easy to deform and lose elasticity under the condition of long-term deformation and distortion. Meanwhile, the two ends of the buckle spring 23 are respectively fixed by the ball 236 and the spring seat 237, so that the stability of the position assembly of the buckle spring 23 can be improved, and the buckle spring cannot be separated from the movable buckle 22 when being deformed in a large direction. Therefore, the service quality and the service life of the whole safety buckle lock are improved.

The end of the fixing buckle 21 far away from the buckle spring 23 is provided with a guide inclined plane, the inner wall 239 of the notch 20 on the lock buckle shell is provided with a limit groove 25, the limit groove 25 is not arranged on the lug 26, and the lug 26 is provided with a wedge-shaped surface matched with the guide inclined plane on the fixing buckle 21. The guiding inclined plane on the fixing buckle 21 is beneficial to the insertion of the safety belt joint 1, after the safety belt joint 1 is inserted, the fixing buckle 21 is positioned in the limiting groove 25 and is abutted to the convex block 26, the wedge-shaped surface on the convex block 26 is beneficial to being tightly attached to the guiding inclined plane on the fixing buckle 21, and the position stability of the fixing buckle 21 during buckling is improved.

The safety belt joint 1 comprises an inserting end and a fastening end, wherein the fastening end is provided with a fastening ring 10, an annular groove 11 is formed in the inner wall 239 of the fastening ring 10, a rubber strip 12 is embedded in the annular groove 11, and triangular clamping teeth 13 are arranged on the end face, extending out of the annular groove 11, of the rubber strip 12. The safety belt is arranged in the buckle 10 in a penetrating mode, and the clamping paper can play a role in increasing friction force between the buckle 10 and the safety belt, so that the safety belt is not prone to being separated from the buckle 10. Meanwhile, the clamping teeth 13 made of rubber materials are not easy to damage the safety belt, and the safety performance of the whole safety buckle lock in use is improved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a safety belt padlock, including the buckle body that safety belt joint and safety belt joint match mutually, the buckle body includes hasp casing and base, hasp casing and base are through locating the main shaft at center and fix with screw all around, be equipped with the breach that can supply safety belt joint card to join in marriage on the outer circumference of hasp casing, the control end of main shaft is provided with the knob lid, still the cover is equipped with the tripping plate on the main shaft, the tripping plate is established and is constituted normal running fit with the main shaft in the cavity, install the activity on the tripping plate and detain with fixed, the activity is detained and is extended to the breach department of hasp casing respectively with the one end of fixed knot, the activity is detained and is equipped with the knot spring in the other end of fixed knot, its characterized: the buckle spring includes the main part spring and the auxiliary body spring that the heliciform set up, the auxiliary body spring is located the main part spring, the bottom of auxiliary body spring and the bottom fixed connection of main part spring, the activity is buckled and is equipped with the assembly groove that supplies the buckle spring assembly, be equipped with the boss that the vice body spring was established to the card on the bottom of assembly groove, the inner wall both sides are equipped with the recess, are equipped with elastic component and ball in the recess, the part that elastic component ordered about the ball shifts out the recess to the card is located on the main part spring, be equipped with the spring holder on the other end that the corresponding activity of buckle spring was detained, the spring holder includes the base plate, form on the base plate by inner wall and outer wall, the inner wall extends along the interior lateral extension of main part spring, and the outer wall extends along the periphery.

2. The seat belt buckle as recited in claim 1, wherein: the fixed knot is equipped with the direction inclined plane far away from one of utensil knot spring and serves, be equipped with the spacing groove on the inner wall of breach on the hasp casing, the lug is not located to the spacing groove, have on the lug with fixed knot on the identical wedge face of direction inclined plane.

3. The seat belt buckle as recited in claim 1, wherein: the safety belt joint comprises an inserting end and a buckling end, wherein the buckling end is provided with a buckling ring, an annular groove is formed in the inner wall of the buckling ring, a rubber strip is embedded in the annular groove, and the end face, extending out of the annular groove, of the rubber strip is provided with triangular clamping teeth.