CN212195368U

CN212195368U - Automobile safety belt retractor

Info

Publication number: CN212195368U
Application number: CN202021062913.3U
Authority: CN
Inventors: 林玉珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2020-12-22
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a car blet coiler, including the column type shell, the inner wall fixed mounting of column type shell has places the board, and the equal fixed mounting in both sides of column type shell has two fixed mounting pieces, and the position of four fixed mounting pieces is based on geometric centre symmetry, and the counter sink has all been seted up to the top side of four fixed mounting pieces, and one side of column type shell is equipped with the installation apron, and one side of column type shell is equipped with down the installation apron, goes up the installation apron and all has seted up two thread grooves with one side of installing the apron down. The utility model has the advantages that: the lower installation cover plate is fixed with the cylindrical shell through the fastening screws, the position of the coil spring is conveniently positioned by arranging the limiting groove and the positioning groove, the position of the coil spring is fixed through the limiting block, the upper installation cover plate is fixed through arranging the fastening screws, the device is simple in structure, the coil spring and the safety belt can be replaced through the dismounting screws, and therefore the coil spring and the safety belt can be replaced conveniently.

Description

Automobile safety belt retractor

Technical Field

The utility model relates to a safety belt coiler specifically is a car safety belt coiler belongs to car safety part technical field.

Background

The retractor is a retractor with an emergency locking function, is a core component of an automobile safety belt, and realizes functions including spring recovery, vehicle inclination induction, vehicle rapid acceleration and deceleration induction, mesh belt acceleration induction and the like.

Among the prior art, the inside coil spring of car blet crimper is in long-time use, and elasticity can reduce, in case the elasticity of coil spring drops to a certain extent, will make the unable normal receipts of safety belt, and also need change after the safety belt is damaged, and the structure of current blet crimper is comparatively complicated, has the inside safety belt of blet crimper and coil spring to be convenient for change, therefore we disclose a blet retractor to satisfy the demand.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at just provides a car blet coiler in order to solve above-mentioned problem, the utility model discloses simple structure wholly is convenient for install and dismantle, is convenient for install earlier stage and later stage change safety belt and wind spring, and the later stage of being convenient for is maintained, is convenient for use.

The utility model realizes the above purpose by the following technical proposal, a vehicle safety belt coiler comprises a column-shaped shell, a placing plate is fixedly arranged on the inner wall of the column-shaped shell, two fixed mounting blocks are fixedly arranged on both sides of the column-shaped shell, the positions of the four fixed mounting blocks are symmetrical based on the geometric center, countersunk holes are respectively arranged on the top sides of the four fixed mounting blocks, an upper mounting cover plate is arranged on one side of the column-shaped shell, a lower mounting cover plate is arranged on one side of the column-shaped shell, two thread grooves are respectively arranged on one side of the upper mounting cover plate and one side of the lower mounting cover plate, fastening screws are respectively arranged in the four countersunk holes, one ends of the four fastening screws are respectively screwed in the four thread grooves, rotating holes are respectively arranged on one side of the upper mounting cover plate, one rotating shaft is rotatably arranged in the three rotating holes, and a limiting plate is, the rotating shaft is sleeved with the framework in a sliding mode, and a coil spring is arranged on the top side of the placing plate.

Preferably, a positioning groove is formed in one side of the cylindrical shell, a limiting groove is formed in one end of the rotating shaft, square blocks are fixedly mounted at two ends of the coil spring, and the two square blocks are located in the limiting groove and the positioning groove respectively.

Preferably, one side of the upper mounting cover plate is fixedly provided with a limiting block, the limiting block is positioned in the positioning groove, and the bottom side of the limiting block is contacted with the top side of the square block.

Preferably, one side of the columnar shell is provided with a safety belt through hole, the framework is sleeved with a safety belt, and one end of the safety belt penetrates through the safety belt through hole.

Preferably, spacing hole has been seted up to the top side of skeleton, and one side fixed mounting of axis of rotation has the sliding block, and the sliding block is located spacing downthehole and contacts with the inner wall in spacing hole.

Preferably, one side of the lower mounting cover plate is fixedly provided with a limiting column, and the top side of the limiting column is in contact with the bottom side of the framework.

Preferably, the limiting plate and the framework are both positioned at the bottom side of the placing plate.

The utility model has the advantages that:

1. in the utility model, the square blocks at the two ends of the coil spring are respectively placed in the device along the limiting groove and the positioning groove, the upper mounting cover plate is buckled, the limiting block on the upper mounting cover plate is contacted with the square block on the coil spring along the positioning groove, then the fastening screw is screwed into the thread groove through the counter bore, at the moment, the upper mounting cover plate is fixed with the columnar shell, otherwise, the disassembly can be carried out, the coil spring can be conveniently replaced at the later stage, and the maintenance is convenient;

2. the utility model discloses in, fix a position spacing hole on the skeleton along the axis of rotation and with the sliding block, pass the safety belt clearing hole with the one end of safety belt, buckle the upper and lower installation apron, spacing post compresses tightly the skeleton, will install down through fastening screw at last and lap and fix with the shell of columnar order, otherwise can dismantle to the safety belt is changed in the later stage of being convenient for.

Drawings

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

FIG. 2 is a schematic view of the inner three-dimensional structure of the upper chamber of the present invention;

FIG. 3 is a schematic view of the internal three-dimensional structure of the present invention;

FIG. 4 is a schematic view of the partially enlarged three-dimensional structure of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. the safety belt device comprises a column-shaped shell, 2, a fixed mounting block, 3, an upper mounting cover plate, 4, a lower mounting cover plate, 5, a counter bore, 6, a fastening screw, 7, a rotating shaft, 8, a coil spring, 9, a limiting plate, 10, a framework, 11, a safety belt, 12, a limiting column, 13, a limiting groove, 14, a limiting block, 15, a positioning groove and 16, a placing plate, 17 and a limiting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a retractor for automobile safety belt comprises a pillar-shaped housing 1, a placing plate 16 fixedly installed on the inner wall of the pillar-shaped housing 1, two fixing installation blocks 2 fixedly installed on both sides of the pillar-shaped housing 1, four fixing installation blocks 2 symmetrically located on the basis of geometric center, countersunk holes 5 formed on the top sides of the four fixing installation blocks 2, an upper installation cover plate 3 disposed on one side of the pillar-shaped housing 1, a lower installation cover plate 4 disposed on one side of the pillar-shaped housing 1, two thread grooves formed on one side of the upper installation cover plate 3 and one side of the lower installation cover plate 4, fastening screws 6 disposed in the four countersunk holes 5, one ends of the four fastening screws 6 respectively screwed into the four thread grooves, rotating holes formed on one side of the upper installation cover plate 3, the lower installation cover plate 4 and the placing plate 16, and a same rotating shaft 7 rotatably installed in the three rotating holes, the limiting plate 9 is fixedly sleeved on the rotating shaft 7, the framework 10 is sleeved on the rotating shaft 7 in a sliding mode, the coil spring 8 is arranged on the top side of the placing plate 16, and the upper installation cover plate 3 and the lower installation cover plate 4 are fixed through the arrangement of the fastening screws 6.

As a technical optimization scheme of the utility model, constant head tank 15 has been seted up to one side of column shell 1, and spacing groove 13 has been seted up to the one end of axis of rotation 7, and the equal fixed mounting in both ends of wind spring 8 has the square, and two squares are located spacing groove 13 and constant head tank 15 respectively, and through setting up spacing groove 13 and constant head tank 15, carry on spacingly to wind spring 8.

As a technical optimization scheme of the utility model, one side fixed mounting who goes up installation apron 3 has stopper 14, and stopper 14 is located constant head tank 15 and stopper 14's bottom side and square top side contact, through setting up stopper 14, compresses tightly wind spring 8.

As a technical optimization scheme of the utility model, the safety belt clearing hole has been seted up to one side of column shell 1, and skeleton 10 has cup jointed safety belt 11, and the safety belt clearing hole is passed to the one end of safety belt 11.

As a technical optimization scheme of the utility model, spacing hole 17 has been seted up to the top side of skeleton 10, and one side fixed mounting of axis of rotation 7 has a sliding block, and the sliding block is located spacing hole 17 and contacts with spacing hole 17's inner wall, through setting up the cooperation between spacing hole 17 and the sliding block for skeleton 10 is spacing on axis of rotation 7.

As a technical optimization scheme of the utility model, one side fixed mounting of lower installation apron 4 has spacing post 12, and the top side of spacing post 12 contacts with the bottom side of skeleton 10.

As a technical optimization scheme of the utility model, limiting plate 9 and skeleton 10 all are located the bottom side of placing board 16.

When the utility model is used, the two end squares of the coil spring 8 are respectively placed in the device along the limiting groove 13 and the positioning groove 15, the upper mounting cover plate 3 is buckled, the limiting block 14 on the upper mounting cover plate 3 is contacted with the squares on the coil spring 8 along the positioning groove 15, then the fastening screw 6 is screwed into the thread groove through the counter sink 5, at the moment, the upper mounting cover plate 3 is fixed with the column-shaped shell 1, the limiting hole 17 on the framework 10 is positioned with the sliding block along the rotating shaft 7, one end of the safety belt 11 passes through the safety belt passing hole, the upper mounting cover plate 4 is buckled, the framework 10 is compressed by the limiting column 12, finally the lower mounting cover plate 4 is fixed with the column-shaped shell 1 through the fastening screw 6, the position of the coil spring 8 is conveniently positioned by arranging the limiting groove 13 and the positioning groove 15, the position of the coil spring 8 is fixed by arranging the limiting block 14, through setting up fastening screw 6 for it is fixed to go up installation apron 3, and device simple structure is convenient for wind 8's change, and simultaneously, skeleton 10 is fixed through spacing hole 17 and spacing post 12, and the safety belt 11 of being convenient for is changed.

To technical personnel in the field, the utility model discloses simple structure wholly is convenient for install and dismantle, is convenient for install earlier stage and later stage and changes safety belt 11 and coil spring 8, and the later stage of being convenient for is maintained, is convenient for use.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A retractor for a seat belt of a vehicle, comprising a pillar-shaped housing (1), characterized in that: a placing plate (16) is fixedly arranged on the inner wall of the cylindrical shell (1), two fixed mounting blocks (2) are fixedly arranged on two sides of the cylindrical shell (1), the positions of the four fixed mounting blocks (2) are symmetrical based on a geometric center, countersunk holes (5) are formed in the top sides of the four fixed mounting blocks (2), an upper mounting cover plate (3) is arranged on one side of the cylindrical shell (1), a lower mounting cover plate (4) is arranged on one side of the cylindrical shell (1), two thread grooves are formed in one sides of the upper mounting cover plate (3) and the lower mounting cover plate (4), fastening screws (6) are arranged in the four countersunk holes (5), one ends of the four fastening screws (6) are respectively screwed in the four thread grooves, rotating holes are formed in the upper mounting cover plate (3), the lower mounting cover plate (4) and one side of the placing plate (16), and the same rotating shaft (7) is rotatably arranged in the three rotating holes, the limiting plate (9) is fixedly sleeved on the rotating shaft (7), the framework (10) is sleeved on the rotating shaft (7) in a sliding mode, and the coil spring (8) is arranged on the top side of the placing plate (16).

2. The seatbelt retractor according to claim 1, wherein: locating slot (15) has been seted up to one side of columnar shell (1), and spacing groove (13) have been seted up to the one end of axis of rotation (7), and the equal fixed mounting in both ends of wind spring (8) has the square, and two squares are located spacing groove (13) and locating slot (15) respectively.

3. The seatbelt retractor according to claim 1, wherein: a limiting block (14) is fixedly mounted on one side of the upper mounting cover plate (3), the limiting block (14) is located in the positioning groove (15), and the bottom side of the limiting block (14) is in contact with the top side of the square block.

4. The seatbelt retractor according to claim 1, wherein: safety belt through holes are formed in one side of the column-shaped shell (1), a safety belt (11) is sleeved on the framework (10), and one end of the safety belt (11) penetrates through the safety belt through holes.

5. The seatbelt retractor according to claim 1, wherein: spacing hole (17) have been seted up on the top side of skeleton (10), and one side fixed mounting of axis of rotation (7) has the sliding block, and the sliding block is located spacing hole (17) and contacts with the inner wall in spacing hole (17).

6. The seatbelt retractor according to claim 1, wherein: one side of the lower mounting cover plate (4) is fixedly provided with a limiting column (12), and the top side of the limiting column (12) is in contact with the bottom side of the framework (10).

7. The seatbelt retractor according to claim 1, wherein: the limiting plate (9) and the framework (10) are both positioned at the bottom side of the placing plate (16).