TWM562246U - Linkage sheet structure of seat belt buckle for vehicle - Google Patents

Abstract

The utility model relates to a linkage piece structure of a vehicle seat belt buckle, wherein the vehicle safety belt buckle comprises a buckle and a plurality of buckle pieces. The buckle system has a base and a cover body opposite to each other, and the top surface of the cover body is provided with a a pivoting member for interlockingly controlling a set of locking devices disposed between the base and the cover body, the buckle device comprising a central rotating shaft and a linkage piece, the shaft shaft of the central rotating shaft is provided with a round rod a central portion of the connecting piece is provided with a stamped hollow column, and the hollow column is provided with two opposite slots, and the hollow column and the two missing slots are preliminarily provided with an hourglass shape from a central portion of the linking piece The perforation is formed by press forming, and when the hollow column is stamped and formed, two opposite slots are formed on the hollow column, and a apex is disposed at each end of the opposite two notches, and a safety section is disposed at an intermediate portion of the notch The safety section and the apex of the two ends of the slot are provided with a slope-like opposite actuating slide; thereby, the safety section can be used to prevent the buckle from being accidentally opened and the buckle to be opened. More smooth.

Description

Linking structure of car seat belt buckle

The present invention relates to a car seat belt buckle, and more particularly to a multi-point car seat belt buckle linkage piece structure.

According to the safety belt, the safety belt is the most important and basic equipment for protecting the safety of drivers and passengers. The function of the seat belt buckle is to connect the belts of the seat belts. The three-point type and the five-point type, the conventional five-point belt buckle includes: a buckle and a plurality of buckles, wherein the buckle is provided with a base and a cover body, and the top surface of the cover body is provided with a turn The trigger member can interlockably control a set of snap devices disposed between the base and the cover.

The buckle device of the conventional vehicle seat belt buckle, as shown in the seventeenth, eighteenth and nineteenthth drawings, the buckle device comprises a central rotating shaft 91 and a linking piece 92, the central rotating shaft 91 The shaft body is provided with a pair of convex portions 911 having a round rod shape. The connecting piece 92 is provided with a through hole 921 at the center thereof, and a hollow column 922 perpendicular to the connecting piece 92 is punched and bent at a periphery of the through hole 921. The linking piece 92 The outer edge forms a plurality of clips 923. The hollow post 922 is provided with two opposite slots 9221 which are substantially inverted V-shaped. The slot 9221 is provided with a positioning card which is suitable for the central shaft 91 to engage with the two protrusions 911. The portion 9222 has a release point 9223 at each end, and a symmetrical two sliding path 9224 is disposed between the positioning card portion 9222 in the middle of the missing slot 9221 and the release point 9223 at both ends.

Accordingly, the central rotating shaft 91 passes through the through hole 921 and the hollow column 922 of the linking piece 92, so that the hollow column 922 of the linking piece 92 is sleeved on the periphery of the central rotating shaft 91, and in the buckled state, the central rotating shaft 91 The opposite convex portions 911 are engaged with the positioning card portion 9222 of the hollow column 922 of the connecting piece 92. When the safety belt is to be unwound, the rotating member of the top surface of the upper cover is rotated to rotate the central rotating shaft 91 to make the central rotating shaft The opposite convex portions 911 of the 91 slide along the sliding path 9224 by the positioning card portion 9222 to the release point 9223, and the interlocking piece 92 is abutted upward to release the restriction of the insertion device to the insertion piece, and the buckle piece is After the seat belt is disengaged, the opposite convex portions 911 of the center shaft 91 are slid from the release point 9223 of the hollow column 922 of the linking piece 92 toward the positioning card portion 9222 by the elastic force of the spring, so that the center shaft 91 is slid. The opposite convex portions 911 are re-engaged with the positioning card portion 9222 of the hollow column 922 of the linking piece 92.

However, the conventional vehicle seat belt is fastened to the fastening state, and the opposite convex portions 911 of the center shaft 91 are engaged with the positioning card portion 9222 of the hollow column 922 of the linking piece 92. When the central rotating shaft 91 rotates, The two convex portions 911 slide along the sliding path 9224 from the positioning card portion 9222 to the release point 9223, and the connecting piece 92 is abutted up, so that when the vehicle is driven by the seat belt, such as the turning member If the external force is inadvertently touched, the center shaft 91 is easily rotated by the turning member 91 to the left or right as shown in the twentieth and twenty-first figures, and the erroneous opening angle θ1 is rotated by the center shaft. 91, the connecting piece 92 is abutted against the erroneous opening height h1, so that it is highly possible to release the restriction of the locking device on the insert, thereby causing the seat belt buckle to be loosened, losing the function of protecting the driver and the passenger, and The positioning card portion 9222 in the middle of the missing slot 9221 can be engaged with the central rotating shaft 91 with respect to the two convex portions 911. The sliding path 9224 of the hollow column 922 lacking the slot 9221 is a release point 9223 directly from the middle positioning card portion 9222 to both ends. Extending, the opposite convex portions 911 are switched by the positioning card portion 9222 to the snail of the sliding path 9224 The angle is steep, so not only the unlocking of the seat belt buckle (that is, the restriction of releasing the buckle device to the insert) is large, and it is easy to be stuck, and the seat belt buckle cannot be untied smoothly, and the utility and safety of use are easy. Not good.

This creator has the above-mentioned shortcomings in view of the fact that the car seat belt buckle has the above-mentioned shortcomings, and it is the idea of creating and testing the sample, and after many revisions and improvements, the author has launched this creation.

The present invention provides a linkage structure for a vehicle seat belt buckle, wherein the vehicle safety belt buckle comprises a buckle and a plurality of buckles, the buckle comprises: a buckle body, the buckle system comprises a base and a cover The latching device is disposed between the base and the cover body. The latching device comprises: a central rotating shaft and a connecting piece; the shaft body of the central rotating shaft is provided with a round rod-shaped opposite convex portion a central portion of the linking piece is provided with a stamped hollow column, the hollow column and the connecting piece are perpendicular to each other, and the hollow column is provided with two opposite slots. In the normal state, the opposite convex portions of the central rotating shaft abut the connecting piece The two rotating slots are rotated by the central rotating shaft, and the connecting piece is raised by an opening height relative to the two convex portions to release the restriction on the locking hole. The hollow column and the two missing slots are connected from the center of the connecting piece A portion of the hourglass-shaped perforation is pre-formed by press forming, and two hollow slots are formed on the hollow column when the hollow column is stamped and formed, and a apex is disposed at each end of the opposite two slots, the hollow column center Location has one a center point, the middle portion of the notch has an intermediate point, and the middle portion of the notch is provided with a safety section, and the safety section is extended from the intermediate point to the left and right sides by the center point to be opposite to two safety angles The safety section has a height difference, the height difference is smaller than the opening height, and the safety section and the apex of the two ends of the slot are provided with a slope-like opposite actuating slide; and a turning member is disposed at the The top surface of the cover body is coupled with the central rotating shaft of the snap device.

The main purpose of the interlocking piece structure of the bicycle buckle of the present invention is that in the fastening state, the opposite convex portions of the central rotating shaft are located in a safety section of the hollow column of the linking piece, and the rotating member is subjected to an external force in the safety section. When the touch is pulled, the buckle is not disengaged from the body of the buckle, and the safety of use is improved.

The second purpose of the interlocking piece structure of the bicycle buckle of the present invention is that the hollow column of the linking piece is provided with two opposite slots, and a middle portion of the missing slot is provided with a safety section, and the safety section and the missing slot are two There are two opposite actuating slides between the ends, so that the force required to unlock the seat belt buckle can be reduced, and the situation that the seat belt buckle cannot be unsuccessfully unblocked can be avoided, and the utility is improved.

Please refer to the first, second, third, fourth, fifth, sixth, seventh, eighth and ninth drawings. The vehicle seat belt buckle includes a buckle A1 and a plurality of buckles A2. The buckle A1 includes: a buckle body 10, a buckle device 20 and a trigger member 30. One end of the buckle A2 is connected with a seat belt. A3, the other end is provided with a buckle head A21 of the snap hole A211.

The card body 10 is provided with a base 10A and a cover body 10B. The top surface of the base 10A is provided with a plurality of partitioning lugs 11 , and the plurality of partitioning lugs 11 are divided into a plurality of latching slots 12 , and each of the latching slots 12 is intermediate A sliding slot 14 is provided for the elastic component 13 . The elastic component 13 is composed of a slider 131 and an elastic component 132. The inner end of the slider 131 is provided with a set of slots 1311 for the elasticity. The other end of the elastic member 132 is abutted against the inner end of the sliding slot 14. The elastic member 132 is a compression spring. The cover 10B is attached to the base 10A to be worn by the plurality of screws 40. The housing body 10 defines an accommodating space 15 , and the accommodating space 15 is provided with a plurality of protrusions 151 extending from the top to the bottom.

The fastening device 20 is assembled in the accommodating space 15 of the fastener body 10. The fastening device 20 includes a fixing bolt 21, a plurality of movable bolts 22, a central rotating shaft 23, a linking piece 24, and a return spring. 25, a fixed disk 26 and a plurality of springs 27, wherein the fixing bolt 21 and the movable bolt 22 are respectively sleeved on a protruding post 151 of the cover body 10B, and the central rotating shaft 23, the linking piece 24 and the return spring 25 The shaft body of the center shaft 23 is provided with a rod-shaped opposite convex portion 231, and the linkage is provided in the accommodating space 15 of the cover body 10B. The central portion of the sheet 24 is provided with a stamped hollow column 241. The hollow column 241 and the linking piece 24 are perpendicular to each other. The outer edge of the connecting piece 24 forms a plurality of clamping ports 242, and is sandwiched between the fixing bolt 21 and the movable bolt 22. The hollow column 241 is stamped and formed by an hourglass-shaped perforation 240 in the center of the linking piece 24, and is formed into a semi-circular shape on the hollow column 241 when the hollow column 241 is formed by stamping. The two vacancies 2411 are respectively provided with a apex 2412 at the two ends of the two vacant slots 2411. The central position of the hollow rib 241 has a center point 2413. The central portion of the vacant slot 2411 has an intermediate point 2414. The safety section 2415 is defined by the intermediate point 2414 extending from the center point 2413 to the left and right sides by two safety angles θ 2 , and the safety angle θ 2 ranges from 20 to 30 degrees. In the embodiment, the safety angle θ 2 is 25 degrees, and the safety section 2415 (that is, the range of the relative two safety angles θ 2 extending from the middle point 2414 to the left and right sides) has a height change to form a height difference h2. Safety section 2415 and the top of the missing slot 2411 The 2412 is provided with a spiral curved surface relative to the two actuating slides 2416. The safety section 2415 is engaged with the two actuating slides 2416. The central rotating shaft 23 passes through the hollow column 241 of the linking piece 24 and the return spring 25, and is pierced. The connecting piece 24 and the return spring 25 are sleeved on the outer side of the central rotating shaft 23, and the return spring 25 is elastically abutted between the cover body 10B and the linking piece 24, and the opposite convex portions 231 of the central rotating shaft 23 are 231. The fixing plate 26 is disposed between the cover body 10B and the base 10A, and the plurality of through holes 261 are provided in the vicinity of the fixing plate 26 for the fixing bolt 21 and The movable pin 22 is worn with a limit.

The flip member 30 is disposed on the cover body 10B, and a set of slots 31 is provided in the center of the bottom surface for the end of the central rotating shaft 23 of the latching device 20, and the pivoting member 30 is centered by a locking component 50. The rotating shaft 23 is screwed and locked, so that the pivoting member 30 is coupled with the central rotating shaft 23 of the locking device 20, and the pivoting member 30 can drive the central rotating shaft 23 of the locking device 20 to rotate.

Therefore, when used, the insertion head A21 of the buckle A2 can be inserted into the buckle according to the tenth figure. In the latching groove 12 of the body 10, the front end of the latching head A21 of the clasp A2 slides against the slider 131 of the elastic assembly 13 to slide the elastic member 132 against the slider 131, and the clip is to be buckled. When the latching head A21 of the A2 is inserted into the positioning, the corresponding movable latch 22 of the latching device 20 is fastened by the elastic force of the spring 27 to the snap hole A211 of the latching head A21 of the latching piece A2. The buckle A2 is fastened to the buckle body A1.

When the seat belt A3 is to be unwound, as shown in the eleventh, twelfth and thirteenth figures, the pivoting member 30 is rotated to rotate the central rotating shaft 23 so that the opposite convex portions 231 of the central rotating shaft 23 are The safety section 2414 of the hollow column 241 of the linking piece 24 is slidably moved to the movable slide 2415 to be displaced toward the apex 2412, and the interlocking piece 24 is slid upwardly in the direction of the cover 10B to rise by an opening height h3, which is greater than the height difference. H2, and the compression spring 25 is pressed by the linking piece 24 to generate a compression deformation, and at the same time, the movable column 22 is raised and the springs 27 are compressed, so that the movable column 22 is disengaged from the fastening hole A211 of the buckle A2, and the elastic component of the elastic component 13 is obtained. The slider 131 is biased outwardly, and the slider A2 is pushed out of the latching groove 12 by the slider 131 to complete the unlocking operation. After the disengagement, the interlocking piece 24 and the movable column 22 are rebounded to return to the original position by the elastic force of the return spring 25 and the spring 27, and the central rotating shaft 23 and the rotating member 30 are driven to reversely rotate to return to the original angle.

Continuing, as shown in FIG. 14 , FIG. 15 , and FIG. 16 , in the fastening state of the buckle A2 being fastened to the buckle body A1 , the left and right swinging and rotating members 30 drive the central rotating shaft 23 . When the convex portion 231 is displaced in the safety section 2414 (that is, the flip member 30 is pulled to the left or right without exceeding the relative two safety angles θ 2 ), the height difference h2 due to the height of the safety section 2414 is smaller than the opening height h2. Therefore, it can be ensured that the central rotating shaft 23 does not drive the linking piece 24 to drive the movable column 22 to rise away from the fastening hole A211 of the buckle A2, that is, the external force is left to the left or the rotating member 30 in the range of two relative safety angles θ 2 If it is pulled to the right, it will not cause an accidental opening. It is necessary for the flip member 30 to be rotated and rotated beyond the safety angle θ 2 so that the opposite convex portions 231 of the central rotating shaft 23 are slidably moved to the movable chute 2415 to the apex 2412. In order to unlock the seat belt, and then use the security improvement.

From the structure of the above specific embodiment, the following benefits can be obtained:

1. The interlocking piece structure of the bicycle buckle of the present invention, in the buckled state, the opposite convex portions 231 of the central rotating shaft 23 are located in the safety section 2415 of the hollow column 241 of the linking piece 24, and the safety section 2415 is The intermediate point 2414 extends from the center point 2413 to the left and right sides with respect to two safety angles θ 2 , and the safety section 2415 has only a slight height difference h2, and the height difference h2 is smaller than the opening height h3, and thus the opposite two In the safety angle θ 2, no matter what external force is applied to the trigger member 30, the buckle piece A2 is disengaged from the buckle body A1, and the use safety is improved.

2. The interlocking piece structure of the vehicle seat belt buckle of the present invention, the hollow column 241 of the linking piece 24 is provided with two opposite slots 2411, and a apex 2412 is disposed at each end of the opposite two notches 2411, and the middle of the missing slot 2411 A safety section 2415 is defined in the portion of the safety section 2415 and the apex 2412 of the notch 2411. The two movable slides 2416 are connected to the two movable slides 2416. Therefore, when the seat belt is to be unwound, when the pivoting member 30 rotates the central rotating shaft 23, the opposite convex portions 231 of the central rotating shaft 23 are slidably rotated by the relatively gentle safety portion 2415 to the relatively steep moving slide 2416. It can reduce the force required to unlock the seat belt buckle, avoid the situation that the seat belt buckle can not be untied smoothly, and the practicality is improved.

[study]

91‧‧‧ center shaft

911‧‧‧ convex

92‧‧‧ linkage film

921‧‧‧Perforation

922‧‧‧ hollow column

9221‧‧‧ Missing slot

9222‧‧‧ slotted surface

9223‧‧‧deduction point

9224‧‧‧ release point

923‧‧‧ jaw

θ 1‧‧‧false opening angle

H1‧‧‧false height

[this creation]

A1‧‧‧ buckle body

A2‧‧‧ buckle

A21‧‧‧ buckle head

A211‧‧‧Snap hole

10‧‧‧ buckle body

10A‧‧‧Base

10B‧‧‧ cover

11‧‧‧Separate bumps

12‧‧‧ buckle slot

13‧‧‧Flexural components

131‧‧‧ Slider

1311‧‧‧With slot

132‧‧‧Flexible components

14‧‧‧Chute

15‧‧‧ accommodating space

151‧‧‧Bump

20‧‧‧Snap device

21‧‧‧Fixed bolt

22‧‧‧ activity bolt

23‧‧‧ center shaft

231‧‧‧ convex

24‧‧‧ linkage film

240‧‧‧Perforation

241‧‧‧ hollow column

2411‧‧‧ Missing slot

Vertex 2412‧‧‧

2413‧‧‧ center point

2414‧‧‧ intermediate point

2415‧‧‧Safe section

2416‧‧‧Activity slide

242‧‧‧ Sandwich

25‧‧‧Return spring

26‧‧‧ Fixed disk

261‧‧‧through hole

27‧‧‧ Spring

30‧‧‧Rotating parts

31‧‧‧ Sockets

40‧‧‧Spiral parts

50‧‧‧Locking components

θ 2‧‧‧Safety angle

H2‧‧‧ height difference

H3‧‧‧Open height

The first picture is a perspective view of the appearance of the creation.

The second figure is an exploded view of the body of the present clip.

The third figure is a perspective view of the creation snap device.

The fourth figure is an exploded view of the creation of the snap device.

The fifth drawing is a side plan view of the creation snap device.

The sixth figure is a plan view of the structure in front of the hollow column of the creation of the joint piece.

The seventh picture is a side view of the creation of the linked piece.

The eighth picture is a bottom view of the creation of the link.

The ninth figure is a sectional view of the seat belt buckle of the present vehicle.

The tenth figure is a schematic diagram of the action of the buckle and the buckle body of the present invention.

The eleventh figure is a schematic diagram of the action of unlocking the seat belt in this creation.

The twelfth figure is a schematic diagram of the movement of the rotating shaft of the creative center to drive the interlocking piece.

The thirteenth figure is a schematic diagram of the action of the sequins of the present invention.

The fourteenth figure is a schematic diagram of the action of the creative flip member in the idling angle.

The fifteenth figure is a side view showing the rotation of the rotation axis of the creation center in the range of the idling angle.

The sixteenth figure is another perspective view of the fifteenth figure.

The seventeenth figure is an exploded view of the center axis and the linkage piece of the conventional center.

The eighteenth figure is a plan exploded view of the center axis and the interlocking piece of the habit.

The nineteenth figure is a three-dimensional combination diagram of the center axis of the practice center and the linkage piece.

The twelfth figure is a side view showing the rotation of the hinge of the center of the formula center to the left or to the right, causing the linkage piece to rise.

The twenty-first figure is another perspective view of the twentieth diagram.

Claims (4)

The utility model relates to a linkage piece structure of a vehicle seat belt buckle, wherein the vehicle safety belt buckle comprises a buckle and a plurality of buckle pieces, the buckle comprises: a buckle body, the buckle system is matched by a base and a cover body a snap device is disposed between the base and the cover body, the buckle device comprises: a central rotating shaft and a linkage piece; the shaft body of the central rotating shaft is provided with a pair of opposite convex portions in a round rod shape; The central portion of the sheet is provided with a stamped hollow column, the hollow column and the connecting piece are perpendicular to each other, and the hollow column is provided with two opposite slots. In the normal state, the opposite convex portions of the central rotating shaft are opposite to the two opposing portions of the connecting piece. The slot can be rotated by the central rotating shaft, and the connecting piece is raised by an opening height relative to the two convex portions to release the restriction of the locking hole, and the hollow column and the two missing slots are preset by the central portion of the connecting piece An hourglass-shaped perforation is formed by press forming, and when the hollow column is stamped and formed, two opposite slots are formed on the hollow column, and one end of each of the two opposite slots is provided with an apex, and an intermediate portion of the missing slot is provided with a Security section, The safety section has a height change to form a height difference, the height difference is smaller than the opening height, and the safety section and the apex of the two ends of the slot are provided with a slope-shaped opposite two actuating slides; and a turning member, The top surface of the cover body is coupled with the central rotating shaft of the buckle device. The interlocking piece structure of the vehicle seat belt buckle according to claim 1, wherein the central position of the hollow column has a center point, and the middle position of the notch has an intermediate point, and the safety section is the middle point. The point extends to the left and right sides with the center point as the axis and the opposite two safety angles. The interlocking piece structure of the vehicle seat belt buckle according to claim 2, wherein the safety angle is 20 to 30 degrees, and the safety angle is preferably 25 degrees. The interlocking piece structure of the vehicle seat belt buckle according to the first aspect of the invention, wherein the inside of the buckle body has an accommodating space, and the accommodating space is provided with a plurality of protrusions extending from the top to the bottom. The fastening device further includes a fixing bolt, a plurality of movable bolts, a return spring, a fixing disc and a plurality of springs, wherein the fixing bolt and the movable bolts are respectively sleeved on a protruding post of the buckle body, The return spring sleeve is disposed at a periphery of the central rotating shaft, and the return spring is elastically abutted between the cover body of the buckle body and the connecting piece. The fixing plate is provided with a plurality of through holes for the fixing bolt and the movable bolt to pass through the limit.