CN213228556U

CN213228556U - Safety belt coiler U type frame

Info

Publication number: CN213228556U
Application number: CN202022448274.0U
Authority: CN
Inventors: 董服德
Original assignee: Zhejiang Xingdao Machinery Co ltd
Current assignee: Zhejiang Xingdao Machinery Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-05-18
Anticipated expiration: 2030-10-29

Abstract

The utility model provides a safety belt coiler U type frame belongs to auto-parts technical field. The safety belt U-shaped frame solves the problems that a first side wall plate and a second side wall plate of an existing safety belt U-shaped frame are not enough in mechanical strength and easy to deform. The U-shaped frame of the safety belt retractor comprises a rectangular base plate, wherein two ends of the rectangular base plate are perpendicularly bent in the same direction to form a first side wall plate and a second side wall plate, the plate surfaces of the first side wall plate and the second side wall plate are parallel at intervals, a screw rod penetrates through the space between the first side wall plate and the second side wall plate, the screw rod is perpendicularly matched with the first side wall plate and the second side wall plate, and an assembling structure for preventing the first side wall plate and the second side wall plate from relative displacement is arranged between the first side wall plate and the second side wall plate and the screw rod. The utility model discloses coiler U type frame receives the difficult deformation of external force extrusion, and structural strength is high, and structural stability is good, and long service life avoids having the potential safety hazard.

Description

Safety belt coiler U type frame

Technical Field

The utility model belongs to the technical field of auto-parts, a safety belt coiler U type frame is related to.

Background

The safety belt consists of a braid, a retractor, a belt buckle, a guider, a height adjusting mechanism, a pretensioner, a locking device and the like; wherein the retractor function is: the length of adjustment meshbelt under normal conditions, with the meshbelt put long or receive the weak point to the size of adaptation user's stature is fat thin, in case the user detains the safety belt after, the coiler can be withdrawed the meshbelt of overlength, lets the meshbelt live with the user pull with appropriate rolling power. When an accident happens to the automobile, the coiler can lock the webbing belt instantly without stretching the webbing belt, so that a user can be fixed without rushing forward; in a seat belt assembly, a seat belt is connected to a retractor, and core components in the retractor are a spool and a frame mounting the spool, the spool being connected to one end of the seat belt. Within the retractor, a spring provides a rotational force (or torque) to the spool, rotating the spool, and winding up the slack belt. When the safety belt is pulled out, the reel rotates anticlockwise, and the connected springs also rotate in the same direction; a spool anti-torsion spring that rotates at this time; if the safety belt is loosened, the spring force rotates the reel clockwise, so that the safety belt is tensioned; the spool is installed on the frame, and the frame provides torsional fixing force for the spool, and the frame and the automobile body connecting plate of present coiler mainly adopt threaded connection structure, and the substrate of safety belt frame is panel, and thickness is limited, and when taking place the incident, the mechanical strength of frame is not enough.

In view of the above problems, the unit has designed a seat belt frame and applied for a patent in the last two years, the patent numbers of which are: 201620377859.9, authorization notice number: CN205615480U, it includes that base plate and base plate both ends extend the both sides board that forms to a lateral buckling, be equipped with the stay between the board of both sides, the constant head tank that the symmetry set up is seted up to stay both sides portion, the bayonet socket that the curb plate has the corresponding constant head tank of embedding and curb plate have the riveting limit of pressing on the stay, base plate lower part department has the screw, base plate middle part department sets up the square spacing hole that the symmetry set up and be "eight" font and distribute, the strengthening rib has been linked firmly on the stay, the strengthening rib both ends are close to corresponding riveting limit department respectively, the stay has and is located to correspond riveting limit outside department and convex.

In the structure, the stay is arranged between the two side plates, but the stay is supported between the two side plates through the stay, but the two side plates are complicated in stress, the mechanical strength of the two side plates is still insufficient, the two side plates are easy to relatively shift and deform, and finally, the reel installation position of the frame is deformed, so that the U-shaped frame of the whole safety belt retractor is damaged, and potential safety hazards exist.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a simple structure, make things convenient for the assembly of lateral wall board one, lateral wall board two to adjust, increase both support intensity of lateral wall board one, lateral wall board two, eliminate the safety belt coiler U type frame of frame potential safety hazard.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a safety belt coiler U type frame, includes the rectangle base plate, the both ends of rectangle base plate respectively syntropy vertical bending form side wall board one, side wall board two, side wall board one, side wall board two face interval parallel between them, its characterized in that, side wall board one, side wall board two between wear to be equipped with the screw rod, this screw rod respectively with side wall board one, two perpendicular cooperations of side wall board, side wall board one, two and the screw rod between be provided with respectively and prevent the assembly structure of side wall board one, two relative displacements of side wall board.

According to the U-shaped frame of the safety belt retractor, the screw rod is mainly arranged between the first side wall plate and the second side wall plate in a penetrating mode, the distance between the first side wall plate and the second side wall plate is ensured through the assembly and the matching of the screw rod and the first side wall plate and the second side wall plate, the deformation of the first side wall plate and the second side wall plate is effectively prevented, and the structural stability is high.

In foretell safety belt coiler U type frame, assembly structure include nut one, nut two, nut three and nut four, nut one, nut two, nut three and nut four all spiral on the screw rod, this nut one is located the one end of screw rod, this nut two, nut three are located the screw rod between lateral wall board one, the lateral wall board two, this nut four is located the other end of screw rod, the outer wall of nut one and lateral wall board one support and lean on the cooperation, the inner wall of nut two and lateral wall board one support and lean on the cooperation, the inner wall of nut three and lateral wall board two support and lean on the cooperation, the outer wall of nut three and lateral wall board two support and lean on the cooperation. Through the screw connection of the first nut, the second nut, the third nut, the fourth nut and the screw, the assembly and the adjustment of the spacing distance between the first side wall plate and the second side wall plate are facilitated, and the use is convenient.

In foretell safety belt coiler U type frame, the screw rod be located the upper end position of the outward flange of lateral wall board one, two both of lateral wall boards, the lower extreme position of the outward flange of lateral wall board one, two both of lateral wall boards be the circular arc transition, the middle part position joint of the circular arc of this lateral wall board one, two both of lateral wall boards has the backup pad, the edge at the middle part of the one end of backup pad and the circular arc of lateral wall board one can dismantle the joint and link firmly, the other end of backup pad and the edge at the middle part of the circular arc of lateral wall board two can dismantle the joint and link firmly. The purpose of the arrangement is to facilitate the support and assembly of the support plate between the first side wall plate and the second side wall plate, and the production and assembly are convenient; when actually making, set up the strengthening rib in this backup pad, effectively improve the mechanical strength of backup pad, bearing structure is stable.

In foretell safety belt coiler U type frame, the edge at the middle part of the circular arc of lateral wall board one be provided with inserting groove one, the edge at the middle part of the circular arc of lateral wall board two be provided with inserting groove two, the one end of backup pad peg graft in inserting groove one of lateral wall board one, backup pad and lateral wall board one between be provided with U type locating part one, the other end of backup pad peg graft in inserting groove two of lateral wall board two, backup pad and lateral wall board two between be provided with U type locating part two. In practical application, the supporting plate is buckled on the first side wall plate through the first U-shaped limiting part to prevent axial displacement of one end of the supporting plate, and the supporting plate is buckled on the second side wall plate through the second U-shaped limiting part to prevent axial displacement of the other end of the supporting plate.

In foretell safety belt coiler U type frame, the upper portion of lateral wall board one and lateral wall board two set firmly the deflector, 180 degrees bending formation joint portions are done by the deflector body to the one end of deflector, joint portion both sides set up the location opening that the symmetry set up, the deflector pass through the location opening of joint portion both sides screens respectively and assemble on corresponding lateral wall board one, lateral wall board two. The purpose that sets up like this is convenient upper portion assembly connection of deflector and lateral wall board one and lateral wall board two, and location joint convenient assembling.

In the U-shaped frame of the safety belt retractor, the clamping portion of the guide plate is fixedly connected with the first side wall plate and the second side wall plate in a welding mode. The connecting structure is stable, the mechanical strength is high, and the service life is long.

In the U-shaped frame of the safety belt retractor, the guide plate is provided with a strip-shaped guide opening. The purpose of this is to prevent the webbing from turning over and knotting when the frame is extended or extended in use.

In the U-shaped frame of the safety belt retractor, the first side wall plate is provided with the first round hole, the second side wall plate is provided with the second round hole, the edge of the first round hole is obliquely provided with the latch along the circumferential direction of the first round hole, and the second round hole is provided with a gear ring with a section not exceeding one half of the circumference. When collision happens, the pawl on the gear ring is clamped into the pawl on the locking disc, the gear ring does not exceed one half of the circumference of the round hole, the possibility of tearing at the round hole is reduced, and the structural strength at the round hole is high.

Compared with the prior art, the U-shaped frame of the safety belt retractor has the advantages that: structural design is reasonable, simple, and coiler U type frame receives the difficult deformation of external force extrusion, and structural strength is high, and structural stability is good, and long service life avoids having the potential safety hazard.

Drawings

Fig. 1 is a perspective view of the U-shaped frame of the webbing retractor.

Fig. 2 is a schematic sectional view of the U-shaped frame of the webbing retractor.

Fig. 3 is a perspective view of the guide plate in the U-shaped frame of the webbing retractor.

In the figure, 1, a rectangular substrate; 2. a first side wall plate; 3. a second side wall plate; 4. a screw; 5. a first nut; 6. a second nut; 7. a third nut; 8. a fourth nut; 9. a support plate; 10. a U-shaped limiting part I; 11. a U-shaped limiting part II; 12. a guide plate; 13. a clamping part; 14. positioning the opening; 15. a strip-shaped guide port; 16. a first round hole; 17. a second round hole; 18. clamping teeth; 19. a ring gear.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 3, the U-shaped frame of the webbing retractor mainly comprises a rectangular base plate 1, two ends of the rectangular base plate 1 are perpendicularly bent in the same direction to form a first side wall plate 2 and a second side wall plate 3, the first side wall plate 2 and the second side wall plate 3 are parallel to each other at intervals, a screw rod 4 penetrates between the first side wall plate 2 and the second side wall plate 3, the screw rod 4 is perpendicularly matched with the first side wall plate 2 and the second side wall plate 3, and an assembling structure for preventing the first side wall plate 2 and the second side wall plate 3 from relative displacement is arranged between the first side wall plate 2, the second side wall plate 3 and the screw rod 4.

In actual manufacturing, the specific implementation of the assembly structure is as follows: the nut I5, the nut II 6, the nut III 7 and the nut IV 8 are all screwed on the screw rod 4, the nut I5 is positioned at one end of the screw rod 4, the nut II 6 and the nut III 7 are positioned on the screw rod 4 between the side wall plate I2 and the side wall plate II 3, the nut IV 8 is positioned at the other end of the screw rod 4, the nut I5 is abutted and matched with the outer wall of the side wall plate I2, the nut II 6 is abutted and matched with the inner wall of the side wall plate I2, the nut III 7 is abutted and matched with the inner wall of the side wall plate II 3, and the nut III 7 is abutted and matched with the outer wall of the side wall plate II 3; in practical application, the screw rod 4 is positioned at the upper end positions of the outer edges of the first side wall plate 2 and the second side wall plate 3, the lower end positions of the outer edges of the first side wall plate 2 and the second side wall plate 3 are both in arc transition, the middle positions of the arcs of the first side wall plate 2 and the second side wall plate 3 are clamped with the support plate 9, one end of the support plate 9 is detachably clamped and fixedly connected with the edge of the middle of the arc of the first side wall plate 2, and the other end of the support plate 9 is detachably clamped and fixedly connected with the edge of the middle of the arc of the second side wall plate 3; specifically speaking: the edge of the middle of the arc of the first side wall plate 2 is provided with a first inserting groove, the edge of the middle of the arc of the second side wall plate 3 is provided with a second inserting groove, one end of the support plate 9 is inserted into the first inserting groove of the first side wall plate 2, a first U-shaped limiting part 10 is arranged between the support plate 9 and the first side wall plate 2, the other end of the support plate 9 is inserted into the second inserting groove of the second side wall plate 3, and a second U-shaped limiting part 11 is arranged between the support plate 9 and the second side wall plate 3.

During actual manufacturing, guide plates 12 are fixedly arranged on the upper portions of the first side wall plate 2 and the second side wall plate 3, one ends of the guide plates 12 are bent by 180 degrees from the body of the guide plates 12 to form clamping portions 13, positioning openings 14 which are symmetrically arranged are formed in two sides of each clamping portion 13, and the guide plates 12 are respectively clamped and assembled on the corresponding first side wall plate 2 and the corresponding second side wall plate 3 through the positioning openings 14 in the two sides of each clamping portion 13; the clamping part 13 of the guide plate 12 is fixedly connected with the side wall plate I2 and the side wall plate II 3 in a welding mode; the guide plate 12 is provided with a strip-shaped guide opening 15.

During actual manufacturing, the first side wall plate 2 is provided with a first round hole 16, the second side wall plate 3 is provided with a second round hole 17, the edge of the first round hole 16 is obliquely distributed with clamping teeth 18 along the circumferential direction of the first round hole 16, and the second round hole 17 is provided with a section of gear ring 19 which is not more than one half of the circumference of the second round hole.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a safety belt coiler U type frame, includes rectangle base plate (1), the both ends of rectangle base plate (1) respectively syntropy vertical bending form side wall board (2), side wall board two (3), side wall board (2), side wall board two (3) the face interval between them parallel, its characterized in that, side wall board (2), side wall board two (3) between wear to be equipped with screw rod (4), this screw rod (4) respectively with side wall board (2), side wall board two (3) cooperation perpendicularly, side wall board (2), side wall board two (3) between both and screw rod (4) be provided with respectively and prevent the assembly structure of side wall board (2), side wall board two (3) relative displacement.

2. The safety belt retractor U-shaped frame as claimed in claim 1, wherein the assembling structure comprises a first nut (5), a second nut (6), a third nut (7) and a fourth nut (8), the first nut (5), the second nut (6), the third nut (7) and the fourth nut (8) are all screwed on the screw rod (4), the first nut (5) is positioned at one end of the screw rod (4), the second nut (6) and the third nut (7) are positioned on the screw rod (4) between the first side wall plate (2) and the second side wall plate (3), the fourth nut (8) is positioned at the other end of the screw rod (4), the first nut (5) is abutted and matched with the outer wall of the first side wall plate (2), the second nut (6) is abutted and matched with the inner wall of the first side wall plate (2), the third nut (7) is abutted and matched with the inner wall of the second side wall plate (3), and the third nut (7) is abutted and matched with the outer wall of the second side wall plate (3).

3. The U-shaped frame of the safety belt retractor according to claim 2, wherein the screw (4) is located at the upper end positions of the outer edges of the first side wall plate (2) and the second side wall plate (3), the lower end positions of the outer edges of the first side wall plate (2) and the second side wall plate (3) are arc transition, a supporting plate (9) is clamped at the middle positions of the arcs of the first side wall plate (2) and the second side wall plate (3), one end of the supporting plate (9) and the edge of the middle of the arc of the first side wall plate (2) are detachably clamped and fixedly connected, and the other end of the supporting plate (9) and the edge of the middle of the arc of the second side wall plate (3) are detachably clamped and fixedly connected.

4. The safety belt retractor U-shaped frame as claimed in claim 3, wherein a first insertion groove is formed in the edge of the middle of the arc of the first side wall plate (2), a second insertion groove is formed in the edge of the middle of the arc of the second side wall plate (3), one end of the support plate (9) is inserted into the first insertion groove of the first side wall plate (2), a first U-shaped limiting part (10) is arranged between the support plate (9) and the first side wall plate (2), the other end of the support plate (9) is inserted into the second insertion groove of the second side wall plate (3), and a second U-shaped limiting part (11) is arranged between the support plate (9) and the second side wall plate (3).

5. The U-shaped frame of a safety belt retractor according to claim 4, wherein the guide plate (12) is fixedly arranged on the upper portions of the first side wall plate (2) and the second side wall plate (3), one end of the guide plate (12) is bent by 180 degrees by the body of the guide plate (12) to form a clamping portion (13), two sides of the clamping portion (13) are provided with symmetrically arranged positioning openings (14), and the guide plate (12) is respectively clamped and assembled on the corresponding first side wall plate (2) and the corresponding second side wall plate (3) through the positioning openings (14) on the two sides of the clamping portion (13).

6. The seat belt retractor U-shaped frame according to claim 5 wherein the clamping portion (13) of the guide plate (12) is fixedly connected with the first side wall plate (2) and the second side wall plate (3) by welding.

7. The seat belt retractor U-shaped frame according to claim 6 wherein the guide plate (12) is provided with a strip guide opening (15).

8. The U-shaped frame of the safety belt retractor according to claim 1 or 7, wherein the first side wall plate (2) is provided with a first circular hole (16), the second side wall plate (3) is provided with a second circular hole (17), the edge of the first circular hole (16) is obliquely distributed with latch teeth (18) along the circumferential direction of the first circular hole (16), and the second circular hole (17) is provided with a section of gear ring (19) which is not more than one half of the circumference of the second circular hole.