Safety belt buckle locking structure

Abstract

An safety belt buckle locking structure includes a main locking member; a cover, which is closed on the main locking member in a combined state; a securing device, which is installed between the main locking member and the cover; and a handle. There are a plurality of the buckle post, a plurality of the spring, a tapered spring, a linking member, and an engaging disk. The linking member is located in the accommodation space of the cover, resists the lower end of the tapered spring, the periphery of the through hole forms two upwardly extending convex arms for each opening of the cover, and each convex arms is provided with a corresponding assembly aperture. The handle is installed on the between the convex arms of the linking member.

Description

BACKGROUND OF THE INVENTIONField of Invention

[0001] The present invention relates to a safety belt buckle locking structure, and more particularly to safety belt buckle locking structure for a pull style safety belt.Description of the Related Art

[0002] Most of common racing car safety belts are all used with multi-point safety belt buckles. Multiple safety belt tongues can be inserted into the safety belt buckle at the same time, so that different safety belt tongues can be installed around the car seat. At this point, the safety belt buckle for racing car can connect multiple tongues pieces with one fastener, making it possible to connect multiple safety belts at one time and concentrate them in one place, thereby simplifying the buckling method. Also, the buckles can be buckled in individually by pressing, without having to buckle them and then lock them once, so that race car drivers can buckle them by themselves while wearing gloves, etc. During wearing and use, it is sturdy and will not be affected by impact, causing the tongues to detach. When it is time to be released, all the clasps locked in the buckle can be detached through the action of a knob or button.

[0003] However, race car drivers usually wear protective gears, especially gloves, it is difficult for the hands to control the switch of the buckle when wearing the seat belt, especially with restricted movements, and it is even more difficult to escape on your own. Even when you stop after an impact, it becomes even more difficult to free yourself from the trap, therefore requiring rescue by others. It is difficult to open conventional safety seat belt buckle while wearing gloves.

[0004] Therefore, it is desirable to provide a safety belt buckle locking structure to mitigate and / or obviate the aforementioned problems.SUMMARY OF THE INVENTION

[0005] An objective of present invention is to provide a safety belt buckle locking structure, which is capable of improving the above-mention problems.

[0006] In order to achieve the above-mentioned objective, An safety belt buckle locking structure includes a main locking member; a cover, which is closed on the main locking member in a combined state; a securing device, which is installed between the main locking member and the cover; and a handle. There are a plurality of the buckle post, a plurality of the spring, a tapered spring, a linking member, and an engaging disk. The linking member is located in the accommodation space of the cover, resists the lower end of the tapered spring, the periphery of the through hole forms two upwardly extending convex arms for each opening of the cover, and each convex arms is provided with a corresponding assembly aperture. The handle is installed on the between the convex arms of the linking member.

[0007] Other objects, advantages, and novel features of invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.BRIEF DESCRIPTION OF THE DRAWINGS

[0008] FIG. 1 is a three-dimensional view of a preferred embodiment according to invention.

[0009] FIG. 2 is an exploded view of the preferred embodiment according to invention.

[0010] FIG. 3 is an exploded view from another perspective of the preferred embodiment according to invention.

[0011] FIG. 4 is an assembled cross-sectional view of the preferred embodiment according to invention.

[0012] FIG. 5 is another assembled cross-sectional view from another perspective of the preferred embodiment according to invention.

[0013] FIG. 6 is a cross-sectional view of the buckle locking device of assembled the present invention.

[0014] FIG. 7 is a cross-sectional view of the buckle locking device from another perspective of the preferred embodiment according to invention.

[0015] FIG. 8 is a cross-sectional view of the unlocking buckle being pulled by the handle according to invention.DETAILED DESCRIPTION OF PREFERRED EMBODIMENT

[0016] First, please refer to FIGS. 1-3. A safety belt buckle locking structure comprises: a main locking member 10, a cover 20, a securing device 30 and a handle 40. The main locking member 10 has an axial column 11 with a center convex shaft 12, the axial column 11 further comprises a plurality of grooves 13 arranged radially outward from the center convex shaft. The main locking member 10 further comprises a plurality of spacers 14, the spacers 14 at a peripheral edge are arranged at intervals and between the grooves 13 and define a plurality of buckle ends 15 among the spacers 14. Each groove 13 further comprises an elastic unit 17, and the elastic unit 17 has a shaft 171, a spring member 172 and a sliding member 173. The spring member 172 is jacketed onto the shaft 171, and the sliding member 173 further has an axial hole 124 for being slidably jacketed onto one end of the shaft 171. When the elastic unit 17 is disposed in the groove 13, another end of the shaft 171 moves towards the center convex shaft 12, and the spring member 172 pushes the sliding member 173 outwardly. Furthermore, the sliding member 173 further has a pushing portion 175, when the pushing portion 175 is pushed, the sliding member 173 moves towards to the center convex shaft 12.

[0017] Moreover, the cover 20 is correspondingly paired with the main locking member 10, the cover further comprises two openings 21 and an abutting portion 22 between the two openings 21, and the two openings 21 respectively comprise an arced convex portion. An accommodation space 23 is disposed at a bottom of the cover 10, and the accommodation space 23 and the openings 21 are connected. Furthermore, the abutting portion 22 further comprises a stopping shaft facing the accommodation space 23, and the accommodation space 23 further comprising a plurality of protrusions 25 corresponding to and engaging with the spacers 14 of the main locking member 10. Each spacer 14 further has a through hole 16, each protrusion 25 of the cover 10 has a locking aperture 251, and a plurality of locking members 252 respectively pass the through holes 16 and are respectively locked with the locking apertures 251. Additionally, a convex pillar 26 is disposed between adjacent pairs of the protrusions.

[0018] In addition, the securing device 30 is disposed between the main locking member 10 and the cover 20 and has a plurality of buckle posts 31, a plurality of springs 32, a tapered spring 33, a linking member 34 and an engaging disk 35. Each of the buckle posts has an inner aperture 311 with a spring 32 and respectively jacketed onto the convex pillars 26 of the cover 20, and the spring 32 pushes out the buckle post 31 to abut the pushing portion 175 of the sliding member 173, and the buckle post 31 is located corresponding to each elastic unit 17 of the main locking member 10. The tapered spring 33 is disposed in the accommodation space 23 of the cover 20, and the linking member 34 is also disposed in the accommodation space 23 of the cover 20 and abuts one end of the tapered spring 33. The linking member 34 has a positioning aperture 341 for accepting the stopping shaft 24 of the cover 20, and the stopping shaft 24 abuts the center convex shaft 12 of the axial column 11. The positioning aperture 341 further has two convex arms 342 perpendicular to the linking member 34 and passing through the two openings 21 of the cover 20, and the arced convex portion 211 respectively covers a sidewall of each of the convex arms 342. The two convex arms 242 respectively has a corresponding assembly aperture 343. The linking member 34 further has a plurality of clamp openings 344 for clamping the buckle posts 31 and a plurality of indentations 345 for accepting and limiting the protrusions 25. The engaging disk 35 is disposed under the linking member 34 and abuts each spacer 14 of the main locking member 10, and the engaging disk 35 has a central aperture 351 sleeved onto the axial column 11 of the main locking member 10 and further has a plurality of through holes 352 and a plurality of notches 353, the through holes 352 are arranged corresponding to the grooves 13 of the main locking member 10 and accept the buckle posts 31, the notches 353 and the through holes 352 are alternatively arranged, and the notches 353 are disposed corresponding to the spacers 14 of the main locking member 10.

[0019] Moreover, the handle 40 is disposed on a top of the cover 20 and between the two convex arms 342 of the linking member 34, and the handle has an eccentric shaft hole 41 at one end corresponding to the assembly apertures 343 of the two convex arms 342. An engaging shaft 42 passes through the assembly aperture 343 and the eccentric shaft hole 41 such that the handle 40 is capable of being turned and positioned between the two convex arms 342. Also, the handle 40 is connected to the cover 20 and extends beyond the cover 20, and an opposite end of the eccentric shaft hole 41 of the handle 40 handle further comprises a tying hole 43 for connecting to a rope (not shown).

[0020] For further details, the abutting portion 22 of the cover 20 is further provided with a recess 241 facing toward the stopping shaft 24. The recess 241 accommodates a spring piece 242 and a pushing button 243, and the pushing button 243 is attached to an upper end of the spring piece 242, and the spring piece pushes the pushing button 243 to contact the side edges of the handle 40, thereby increasing the tightness and stability of the handle 40, so that the handle 40 needs sufficient force to be turned smoothly, which is preventing the handle 40 from being easily pulled to unlock and helps to improve the safety of use. Secondly, the front end of the handle 40 is further provided with an abutting face 44. When the handle 40 is turned upwards to be perpendicular to with the cover 20, the abutting face 44 is contacted by the pushing button 243, thereby limiting the handle 40 and keeping the linking member 34 in an unlocked state.

[0021] The composition of the structure can be seen from FIGS. 2 to 5. The elastic units 17 are respectively arranged in the grooves 13, and the sliding member 173 is normally pushed away from the center convex shaft 12 by the spring member 172. The pushing portion 175 of the sliding member 173 is facing upward for the buckle post 31 to make contact and be positioned, the engaging disk 35 is positioned by the combination of the central aperture 351 and the axial column 11, and the engaging disk 35 is higher than the elastic unit 17. Each of the through holes 352 are respectively aligned with the grooves 13, the tapered spring 33 is first placed in the accommodation space 23 of the cover 20 and jacketed onto the stopping shaft. 24, and each buckle post 31 is installed with the convex pillar 26 of the cover 20 respectively with a spring 32, and then the linking member 34 is installed in the accommodation space 23. Furthermore, the two convex arms 342 of the linking member 34 respectively pass through the two openings 21 to be combined with the handle 40, and the clamp openings 344 of the linking member 34 clamps the buckle posts 31 respectively, thereby providing the locked or unlocked state of the buckle post 31 through the lifting and lowering actions of the linking member 34. Finally, the cover 20 and the main locking member 10 are assembled and locked to each other, and the buckle post 31 is aligned to the through hole 352 of the engaging disk 35. When the handle 40 is horizontally abutting the top surface of the cover 20, the linking member 34 is pushed down by the tapered spring 33, so that the buckle posts 31 respectively pass through the through holes 352, contact the portion 175 of the sliding member 173 and compresses the spring 32 to ensure the buckle post 31 can be moved downwardly.

[0022] The use of the above-mentioned structure can be seen from FIGS. 5, 6, and 7. The safety belt buckle locking structure of present invention is attached to a buckle 50 of the safety belt, and the buckle 50 of the safety belt is inserted into the buckle end 15 of the main locking member 10 and is buckled by the buckle post 31. When the buckle piece 50 of the safety belt is inserted from the buckle end 15, it simultaneously pushes against the abutting portion 175 of the sliding member 173, thereby driving the sliding member 173 moves toward the center convex shaft 12. At this time, the buckle post 31 parts away from the abutting portion 175 because the sliding member 173 moves inward, the spring 32 pushes the buckle post 31 downward through, and then the buckle post 31 is inserted into a buckle hole 51 of the buckle piece 50 to lock of the buckle piece 50. Furthermore, other buckle pieces 50 can be inserted into each of the buckle end 15 in sequence to complete the seat belt fastening and locking.

[0023] On the contrary, when the seat belt is about to be unlocked and disengaged, as shown in FIG. 8, the handle 40 is turned upward, with the design of the eccentric shaft hole 41 of the handle 40, while the handle 40 is turned the edge thickness is changed during movement, thereby the two convex arms 342 are pulled upward, and the linking member 34 is driven to move upward and compress the tapered spring 33, and at the same time, the clamp opening 344 of the linking member 34 moves the buckle post 31 upward, thereby moving the buckle post 31 away from the buckle hole 51 of the buckle piece 50, so that the buckle pieces 50 of each safety belt can be disengaged and be pulled out from the buckle post 31 to unlock the seat belts. Afterward, the elastic unit 17 uses the spring member 172 to push the sliding member 173 into reset after the buckle 50 is pulled out, to contact the buckle post 31 again. When the handle 40 is turned upwards and becomes perpendicular to the cover 20, the abutting face 44 the handle 40 is restricted by the pushing button 243, thereby maintaining the unlocked state of the linking member 34 and allowing the buckle piece 50 being pulled out from the buckle end 15.

[0024] When the handle 40 is turned down to return to its original position, the tapered spring 33 pushes the linking member 34 downward to return to its original position, and the clamp openings 344 release the buckle posts 31 so that the buckle posts 31 return to the lower displacement.

[0025] With the structure of the above-mentioned specific embodiments, the following benefits can be obtained: the safety belt buckle locking structure according to the invention, is suitable for a safety belt buckle with a pull-open locking method, to achieves more intuitive and easy-to-use safety. Belt buckle function.

[0026] Although the present invention has been explained in relation to its preferred embodiment, it is to be understood that many other possible modifications and variations can be made without departing from the spirit and scope of invention as hereinafter claimed.

Claims

1. A safety belt buckle locking structure comprising:a main locking member with an axial column having a central convex shaft; the axial column further comprising a plurality of grooves arranged radially outward from the center convex shaft; the main locking member further comprising a plurality of spacers at a peripheral edge arranged at intervals and between the grooves and defining a plurality of buckle ends among the spacers; each of the grooves further comprising an elastic unit pushing from a center of the main locking member outwardly along the grooves;a cover correspondingly paired with the main locking member, the cover comprising two openings and an abutting portion between the two openings, and an accommodation space disposed at a bottom of the cover; the accommodation space and the openings being connected, the abutting portion further comprising a stopping shaft facing the accommodation space, the accommodation space further comprising a plurality of protrusions corresponding to the spacers of the main locking member, and a convex pillar disposed between adjacent pairs of the protrusions;a securing device disposed between the main locking member and the cover and having a plurality of buckle posts, a plurality of springs, a tapered spring, a linking member and an engaging disk; each of the buckle posts having an inner aperture with a spring and respectively jacketed onto the convex pillars of the cover, and the spring pushing out the buckle post and the buckle post corresponding to each elastic unit of the main locking member; the tapered spring disposed in the accommodation space of the cover; the linking member also disposed in the accommodation space of the cover and abutting one end of the tapered spring; the linking member having a positioning aperture for accepting the stopping shaft of the cover, and the stopping shaft abutting the center convex shaft of the axial column; the positioning aperture further having two convex arms perpendicular to the linking member and passing through the two openings of the cover, and the two convex arms respectively having a corresponding assembly aperture; the linking member further having a plurality of clamp openings for clamping the buckle posts; the engaging disk disposed under the linking member and abutting each spacer of the main locking member, and the engaging disk having a central aperture sleeved onto the axial column of the main locking member and further having a plurality of through holes and a plurality of notches, and the through holes are arranged corresponding to the grooves of the main locking member and accepting the buckle posts, the notches and the through holes being alternatively arranged, and the notches disposed corresponding to the spacers of the main locking member; anda handle disposed on a top of the cover and between the two convex arms of the linking member, and the handle having an eccentric shaft hole at one end corresponding to the assembly apertures of the two convex arms; an engaging shaft passing through the assembly aperture and the eccentric shaft hole such that the handle is capable of being turned and positioned between the two convex arms.

2. The safety belt buckle locking structure as claimed in claim 1, wherein each spacer further has a through hole, each protrusion of the cover has a locking aperture, and a plurality of locking members respectively pass the through holes and are respectively locked with the locking apertures.

3. The safety belt buckle locking structure as claimed in claim 1, wherein an opposite end of the eccentric shaft hole of the handle further comprises a tying hole for connecting to a rope.

4. The safety belt buckle locking structure as claimed in claim 1, wherein the handle is connected to the cover and extends beyond the cover.

5. The safety belt buckle locking structure as claimed in claim 1, wherein the elastic unit comprises a shaft, a spring member and a sliding member; the spring member is jacketed onto the shaft, the sliding member further has an axial hole for being slidably jacketed onto one end of the shaft; when the elastic unit is disposed in the groove, another end of the shaft moves towards the center convex shaft, and the spring member pushes the sliding member outwardly.

6. The safety belt buckle locking structure as claimed in claim 1, wherein the sliding member further has a pushing portion.

7. The safety belt buckle locking structure as claimed in claim 1, wherein the abutting portion of the cover further comprises a recess facing the stopping shaft, the recess is configured for accepting a spring piece and a pushing button disposed on one end of the spring piece, and the spring piece pushes the pushing button to contact side edges of the handle.

8. The safety belt buckle locking structure as claimed in claim 7, wherein the handle further comprises an abutting face at a front end, when the handle is turned upward to be perpendicular to the cover, the abutting face is pushed by the pushing button therefore limiting the handle and unlocking the linking member.

9. The safety belt buckle locking structure as claimed in claim 1, wherein the two openings of the cover further respectively comprise an arced convex portion for covering a sidewall of the convex arm of the linking member.

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