CN213056781U

CN213056781U - Fixed buckle of car seat cushion

Info

Publication number: CN213056781U
Application number: CN202021560219.4U
Authority: CN
Inventors: 姚双庆; 周甘华; 梁展
Original assignee: Chery New Energy Automobile Co Ltd
Current assignee: Chery New Energy Automobile Co Ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-04-27
Anticipated expiration: 2030-07-31

Abstract

The utility model provides a make things convenient for drawing of patterns and can be adapted to the fixed buckle of aluminum alloy ex-trusions's car seat cushion, this fixed buckle divide into constitute joint complex buckle seat with automobile body seat installation roof beam and constitute two parts of the spacing complex buckle body with the cushion steel wire, and the buckle body is inserted and is arranged in the inner chamber of buckle seat and constitute fixing base buckle assembly. In the scheme, the two components are molded respectively, so that the demolding is facilitated, and the problem that the fixed seat assembly is complex in structure and difficult to demould is solved. And the upper section of the automobile body cross beam matched with the buckle seat can be in a large-size oval shape, for the aluminum alloy section, a round hole in a small size is not easy to mill, and the positioning hole is changed into an oval shape with a relatively large R angle, so that the aluminum alloy section can be milled conveniently.

Description

Fixed buckle of car seat cushion

Technical Field

The utility model relates to a car seat technical field, concretely relates to fixed buckle of car seat cushion.

Background

The mounting bracket is often used to fasten the rear seat cushion to the vehicle body seat mounting beam by bolts before the vehicle rear seat cushion is mounted. The bolt connection mode is adopted for installation, tools such as an electric wrench and the like are needed to fasten the bolt, the operation consumes working hours, the labor intensity of workers is increased, and the production efficiency is reduced; and along with the increase of bolt quantity, the quantity of rivet nut on the automobile body also needs to increase, causes bicycle cost increase to a certain extent.

In order to solve the above-mentioned problems, the application document entitled "a fixing structure for a seat cushion of a rear seat of an automobile" (application No.: 201811064043.0) discloses the following technical solutions: including seat assembly and automobile body seat installation roof beam, the seatpad steel wire in the seatpad sponge and the sponge is drawn together to the seat assembly, and the seatpad steel wire is equipped with downward bellied location portion in the bottom of seatpad sponge, is equipped with the locating hole on the automobile body seat installation roof beam, is equipped with the buckle in the locating hole, buckle outside and locating hole joint, the inside and the cooperation of location portion joint of buckle. The inside of buckle be equipped with the constant head tank that holds location portion, location portion is U type structure, the double-phase offside symmetrical arrangement of constant head tank has the joint shell fragment, the clearance from the top down between the joint shell fragment of both sides reduces gradually, the minimum clearance between the joint shell fragment of both sides is less than the size of U type structure bottom. In the scheme, the buckle is of an integral structure, and the internal structure and the external structure of the buckle are complex, so that the buckle is inconvenient to demould after being manufactured and molded; simultaneously along with electric automobile's rapid development, electric automobile uses vehicle mounted power as power, drives with the motor drive wheel, and its self weight directly influences battery duration, consequently some electric automobile adopt aluminum alloy ex-trusions extrusion with automobile body seat installation roof beam now to alleviate automobile body weight, but aluminum alloy ex-trusions mill efficiency poor, can't mill the locating hole that is adapted to buckle outside profile on aluminum alloy ex-trusions when the R angle of locating hole is very little to the right angle state.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a make things convenient for the drawing of patterns and can be adapted to the fixed buckle of aluminum alloy ex-trusions's car seat cushion.

In order to realize the purpose, the utility model discloses a technical scheme be: the fixing buckle is divided into a buckle seat which forms clamping fit with the automobile seat mounting beam and a buckle body which forms limiting fit with the cushion steel wire, the buckle body is inserted into an inner cavity of the buckle seat and forms clamping fit, and the cross section of the outer contour of the positioning hole matching part arranged on the buckle seat and the automobile seat mounting beam is in a large-size oval shape.

In the above scheme, the buckle comprises buckle seat and buckle body lock joint, and two subassemblies are the shaping respectively, the drawing of patterns of being convenient for, and the cross-section of buckle seat be the great ellipse of size, with it the locating hole on the complex automobile body seat installation roof beam also for oval can, and the R angle is big, conveniently mills on aluminum alloy ex-trusions.

Drawings

FIG. 1 is a schematic view of the overall structure of the buckle;

FIG. 2 is a schematic structural view of the buckle seat;

FIG. 3 is a schematic structural view of the fastener;

fig. 4 and 5 are schematic views of the mounting structure snapped to the vehicle body.

Detailed Description

Referring to fig. 1-5, a fixing buckle for a seat cushion of an automobile seat comprises a buckle seat 10 forming a clamping fit with an installation beam a of the automobile seat and a buckle body 20 forming a limiting fit with a steel wire B of the seat cushion, wherein the buckle body 20 is inserted into an inner cavity of the buckle seat 10 and forms a clamping fit, and the cross section of the outer contour of the matching part of a positioning hole formed on the buckle seat 10 and the installation beam a of the automobile seat is elliptical. The buckle is formed by buckling the buckle seat 10 and the buckle body 20, when the buckle is formed, the two components are formed respectively, demolding is facilitated, the cross section of the buckle seat 10 is oval, the positioning hole in the automobile body seat mounting beam A matched with the buckle seat 10 is also oval, the R angle is large, and the buckle seat can be directly milled out conveniently on an aluminum alloy section.

Further, the buckle seat 10 includes a barrel 11 with an oval cross section and an upward opening, a reversing part 12 clamped with a positioning hole on the vehicle seat mounting beam a is arranged on the outer wall of the barrel 11, a flat skirt 13 is arranged around the outer wall above the reversing part 12, a profile around the positioning hole is clamped between the reversing part 12 and the skirt 13 to form an up-down limiting fit and a circumferential limiting fit, an open-mouth-shaped guide part 14 is arranged around the upper barrel mouth of the barrel 11, and a bayonet 15 matched with the buckle body 20 is arranged on the barrel wall between the skirt 13 and the guide part 14. During installation, the fastener 20 is firstly clamped into the bayonet 15 of the fastener seat 10 and then is installed together, the barrel body 11 is forcibly inserted into the positioning hole, so that the section bars around the positioning hole are clamped between the inverted portion 12 and the skirt 13, the fastener seat 10 is restrained by the inverted portion 12, the skirt 13 and the periphery of the positioning hole and does not move relative to the vehicle seat mounting beam A, the fastener is stably clamped on the vehicle seat mounting beam A, and the open-shaped guide portion 14 is arranged to guide the cushion steel wire B to enter the fastener 20 to be clamped.

Buckle body 20 include that the cross-section is oval-shaped barrel 21, be provided with checkpost 22 on the outer wall that barrel mouth department was gone up to being close to on the barrel 21, checkpost 22 constitutes the joint cooperation with bayonet 15, be provided with shell fragment 23 on the double-phase offside inner wall in the barrel 21 inner chamber, the upper end and the section of thick bamboo intracavity wall fixed connection of shell fragment 23, the lower extreme is the suspension form, clearance between two shell fragments 23 constitutes the constant head tank 24 that holds cushion steel wire B, constant head tank 24 reduces gradually from the top down width and arranges and minimum width is less than the size of cushion steel wire B lower extreme U type location portion. When the spring pieces 23 are extruded by the cushion steel wire B, the distance between the two spring pieces 23 is increased, the cushion steel wire B can pass through the positioning groove 24 between the two spring pieces 23, and after the cushion steel wire B is put in place, the distance can be restored to the initial state after the external force disappears.

In order to ensure that the suspension end of the elastic sheet 23 has a space with two sides deformed, a missing part 26 is arranged on the cylinder wall of the cylinder 21 corresponding to the middle lower part of the elastic sheet 23, that is, the outer side of the middle lower part of the elastic sheet 23 does not have a cylinder wall for blocking the deformation of the elastic sheet, a clamping groove 25 matched with the bottom of the cushion steel wire B is arranged at the lower part of the elastic sheet 23, the cushion steel wire B is inserted from the positioning groove 24 between the two elastic sheets 23 and then reaches the lower end of the positioning groove 24 to slide into the clamping groove 25, and the clamping groove 25 limits the U.

In order to further guide the seat cushion steel wire B to enter the positioning groove 24 between the two spring pieces 23, the guiding portion 14 is also provided with a guiding inclined surface 16 engaged with the upper ends of the spring pieces 23. The cushion steel wire B enters the positioning groove 24 between the two elastic sheets 23 through the guide of the guide inclined plane 16, and the installation is convenient.

In order to ensure the reliability of the connection between the latch itself and the vehicle body seat mounting beam a, the reverse latch 12 is provided one on each of two opposite sides of the tub 11, and the clips 22 are provided two on each of the other two opposite sides of the tub 11.

The buckle seat 10 and the buckle body 20 are both made of plastic parts, and have the advantages of light weight, low cost and convenient manufacture.

Claims

1. The utility model provides a fixed buckle of car seat cushion which characterized in that: the automobile seat cushion clamping device comprises a clamping seat (10) and a clamping body (20), wherein the clamping seat (10) is in clamping fit with an automobile seat mounting beam A, the clamping body (20) is in limiting fit with a cushion steel wire B, the clamping body (20) is inserted into an inner cavity of the clamping seat (10) and forms clamping fit, and the cross section of the outer contour of a positioning hole matching part formed in the clamping seat (10) and the automobile seat mounting beam A is oval.

2. The fixing buckle of the seat cushion of the automobile seat as claimed in claim 1, wherein: buckle seat (10) including cross-section for oval and opening staving (11) up, be provided with on the outer wall of staving (11) with the back-off portion (12) of locating hole joint on automobile body seat installation roof beam A, enclose on the outer wall of the top of back-off portion (12) and be equipped with flat shirt rim (13) of putting, the peripheral section bar clamp of locating hole is arranged in and is constituted upper and lower direction spacing cooperation between back-off portion (12) and shirt rim (13), circumference spacing cooperation, the last bung hole department of staving (11) encloses guide portion (14) that are equipped with the form of opening wide, offer on the bucket wall between shirt rim (13) and guide portion (14) with buckle body (20) complex bayonet socket (15).

3. The fixing buckle of the seat cushion of the automobile seat according to claim 1 or 2, characterized in that: buckle body (20) including the cross-section be oval-shaped barrel (21), be provided with checkpost (22) on barrel (21) on closing on the outer wall of last bucket mouthful department, checkpost (22) constitute the joint cooperation with bayonet socket (15), be provided with shell fragment (23) on the inner wall of double-phase offside in barrel (21) inner chamber, the upper end and the section of thick bamboo intracavity wall fixed connection of shell fragment (23), the lower extreme is the suspension form, clearance between two shell fragment (23) constitutes constant head tank (24) that hold cushion steel wire B, constant head tank (24) from the top down width reduces gradually and arranges and minimum width is less than the size of cushion steel wire B lower extreme U type location portion.

4. The fixing buckle of the seat cushion of the automobile seat as claimed in claim 3, wherein: the cylinder wall of the cylinder body (21) corresponding to the middle lower part of the elastic sheet (23) is provided with a missing part (26), and the lower part of the elastic sheet (23) is provided with a clamping groove (25) matched with the bottom of the cushion steel wire B.

5. The fixing buckle of the seat cushion of the automobile seat as claimed in claim 3, wherein: the guiding part (14) is also provided with a guiding inclined plane (16) which is connected with the upper end of the elastic sheet (23).

6. The fixing buckle of the seat cushion of the automobile seat as claimed in claim 3, wherein: the two opposite sides of the barrel body (11) are respectively provided with one inverted buckle part (12), and the other two opposite sides of the barrel body (11) are respectively provided with two clips (22).

7. The fixing buckle of the seat cushion of the automobile seat as claimed in claim 1, wherein: the buckle seat (10) and the buckle body (20) are both plastic pieces.