CN220764164U - Integral back skeleton texture of car back row - Google Patents
Integral back skeleton texture of car back row Download PDFInfo
- Publication number
- CN220764164U CN220764164U CN202322701029.XU CN202322701029U CN220764164U CN 220764164 U CN220764164 U CN 220764164U CN 202322701029 U CN202322701029 U CN 202322701029U CN 220764164 U CN220764164 U CN 220764164U
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- CN
- China
- Prior art keywords
- lower pipe
- hinge
- back skeleton
- frame structure
- pipe frame
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000009434 installation Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000009863 impact test Methods 0.000 abstract description 5
- 239000013585 weight reducing agent Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model discloses an integral back skeleton structure of an automobile rear row, which belongs to the field of automobile seats and comprises a back skeleton, wherein a mounting plate is arranged between two end parts of the back skeleton, a pin shaft is arranged on the mounting plate, a hinge mounting bracket is rotatably arranged on the pin shaft, the bottom of the hinge mounting bracket is arranged on an automobile body, the back skeleton can rotate around the pin shaft, the hinge mounting bracket is provided with an arc section, and the arc section is arranged close to the bottom of a lower pipe frame of the back skeleton. According to the utility model, when the luggage case impact test and the ISOFIX lower fixed point strength test are carried out, the lower pipe frame is supported through the arc section, so that the deformation of the lower pipe frame is prevented from being too large, the wall thickness of the pipe fitting can be reduced, and the weight reduction or low cost of the backrest framework is further realized; and the stress point of the lower pipe frame is reduced, and the deformation of the lower pipe frame is prevented from exceeding the test requirement.
Description
Technical Field
The utility model belongs to the technical field of automobile seats, and particularly relates to an automobile rear-row integral backrest framework structure.
Background
When the automobile back row seat framework is overturned, the backrest framework is overturned by adopting a hinge structure of a bolt and a hole.
As disclosed in chinese patent CN104512289a, in this structure, the bolt is coaxially disposed with the lower tube frame of the backrest frame, and because the lower tube frame of the backrest frame lacks a limit, when the luggage case impact test and the ISOFIX lower fixing point strength test, the wall thickness of the tube needs to be increased to increase the overall weight of the frame or use a higher strength material, so as to reduce the deformation amount of the lower tube frame.
It is therefore desirable to provide a rear-row monolithic back frame structure for a motor vehicle that addresses the above-described issues.
Disclosure of Invention
In view of the above, the utility model aims to provide an integral back rest framework structure of a rear row of an automobile, which is used for solving the problem that the deformation of a lower pipe frame is reduced by increasing the overall weight of the back rest framework or using a higher-strength material when the lower pipe frame lacks limit in the prior art and is subjected to luggage case impact test and ISOFIX lower fixed point strength test.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an integral back skeleton structure of an automobile rear row, which comprises a back skeleton, wherein a mounting plate is arranged between two end parts of the back skeleton, a pin shaft is arranged on the mounting plate, a hinge mounting bracket is rotatably arranged on the pin shaft, the bottom of the hinge mounting bracket is arranged on an automobile body, the back skeleton can rotate around the pin shaft, the hinge mounting bracket is provided with an arc section, and the arc section is arranged close to the bottom of a lower pipe frame of the back skeleton.
Further, the cross-section of mounting panel is the U-shaped, the mounting panel encircles and installs on the standpipe of back skeleton.
Further, the first side of mounting panel is equipped with the through-hole, the round pin axle with through-hole sliding connection, the epaxial bench stage and the screw thread section of being provided with of round pin, bench stage and screw thread section's diameter reduces in proper order, the hinge mount support rotates to be installed on the bench stage, threaded connection has the nut on the screw thread section, the hinge mount support spacing is installed between round pin axle and nut.
Further, the second side of the mounting plate is provided with a notch, a limiting plate is arranged in the notch in a limiting mode, and the limiting plate is arranged between the nut and the hinge mounting bracket.
Further, a bushing is slidably mounted on the threaded section, and the hinge mounting bracket is sleeved on the bushing.
Further, the hinge mounting bracket is formed by fixedly connecting two support plates which are symmetrically arranged.
Further, the two support plates are fixed by welding.
Further, the pin shaft is located above the lower pipe frame.
Further, the distance between the arc section and the outer wall of the lower pipe frame is 3-10 mm.
The utility model has the beneficial effects that: when the luggage case impact test and the ISOFIX lower fixed point strength test are carried out, the lower pipe frame is bent towards the side close to the arc section, the lower pipe frame is supported by the arc section, the lower pipe frame is prevented from being deformed excessively, the hinge mounting bracket is arranged between the two end parts of the backrest framework, the arc section can limit the lower pipe frame, and the wall thickness of a pipe fitting can be reduced due to the support of the arc section to the lower pipe frame, so that the weight reduction or low cost of the backrest framework is further realized; and the stress point of the lower pipe frame is reduced, and the deformation of the lower pipe frame is prevented from exceeding the test requirement.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present utility model more clear, the present utility model provides the following drawings for description:
FIG. 1 is a schematic view of an embodiment of a hinge mounting bracket according to the present utility model;
FIG. 2 is a schematic illustration of a limiting of a hinge mounting bracket according to an embodiment of the present utility model;
fig. 3 is a schematic structural view of a mounting plate according to an embodiment of the present utility model.
The figures are marked as follows: the backrest framework 1, the lower pipe frame 101, the vertical pipes 102, the mounting plate 2, the through holes 201, the gaps 202, the limiting plates 203, the pin shafts 3, the threaded sections 301, the nuts 302, the hinge mounting brackets 4, the arc sections 401, the supporting plates 402 and the bushings 5.
Detailed Description
As shown in fig. 1 to 3, the present utility model provides a rear-row integrated back frame structure of an automobile, comprising: the back frame 1, install mounting panel 2 between back frame 1 both ends, be equipped with round pin axle 3 on the mounting panel 2, round pin axle 3 is gone up to rotate and is installed hinge mount bracket 4, hinge mount bracket 4 bottom is installed on the automobile body, back frame 1 can rotate around round pin axle 3, hinge mount bracket 4 is equipped with arc section 401, arc section 401 is close to back frame 1's lower tube frame 101 bottom supports when crooked to lower tube frame 101.
In the scheme, the distance between the arc section 401 and the outer wall of the lower pipe frame 101 is 3-10 mm, when the luggage case is subjected to impact test and ISOFIX lower fixed point strength test, the lower pipe frame 101 is bent towards the side close to the arc section 401, the lower pipe frame 101 is supported through the arc section 401 to prevent the lower pipe frame 101 from being deformed excessively, and the arc section 401 can limit the lower pipe frame 101 by arranging the hinge mounting bracket 4 between two end parts of the backrest framework 1, and the wall thickness of pipe fittings can be reduced due to the support of the arc section 401 to the lower pipe frame 101, so that the weight reduction or low cost of the backrest framework 1 is further realized; and the stress point of the lower pipe frame 101 is reduced, and the deformation of the lower pipe frame 101 is prevented from exceeding the test requirement.
In one embodiment of the present utility model, the cross section of the mounting plate 2 is U-shaped, the mounting plate 2 is installed on the standpipe 102 of the backrest frame 1 in a surrounding manner, a through hole 201 is provided on a first side of the mounting plate 2, the pin shaft 3 is slidably connected with the through hole 201, a stage and a thread section 301 are coaxially provided on the pin shaft 3, the stage is provided between the pin shaft 3 and the thread section 301, the diameters of the pin shaft 3, the stage and the thread section 301 are sequentially reduced, the hinge mounting bracket 4 is rotatably installed on the stage, a nut 302 is connected on the thread section 301 in a threaded manner, and the hinge mounting bracket 4 is located between the pin shaft 3 and the nut 302.
In this scheme, through setting up mounting panel 2 to the U-shaped, be convenient for install mounting panel 2 on the standpipe 102 of back skeleton 1, and through setting up screw thread section 301 for hinge mount bracket 4 spacing installs between round pin axle 3 and nut 302, the installation and the dismantlement of hinge mount bracket 4 of being convenient for.
In one embodiment of the present utility model, the second side of the mounting plate 2 is provided with a notch 202, a limiting plate 203 is slidably mounted in the notch 202 in a limiting manner, the limiting plate 203 is slidably mounted on the threaded section 301, and the limiting plate 203 is located between the nut 302 and the hinge mounting bracket 4.
In the scheme, by arranging the limiting plate 203, when the nut 302 is rotated, the limiting plate 203 can be extruded to slide in the direction close to the hinge mounting bracket 4, so that the hinge mounting bracket 4 is limited and mounted between the limiting plate 203 and the pin shaft 3, and the mounting and the dismounting of the hinge mounting bracket 4 are facilitated; and avoid directly abutting the nut 302 against the hinge mounting bracket 4, the nut 302 is rotated to cause friction to the hinge mounting bracket 4; and the limiting plate 203 is mounted in the notch 202 in a limiting sliding manner, so as to prevent the limiting plate 203 from rotating when the nut 302 drives the limiting plate 203 to slide.
In one embodiment of the present utility model, the limiting plate 203 is welded in the notch 202, which is convenient for processing and improves the stability of the structure.
In one embodiment of the present utility model, the threaded section 301 is slidably provided with a bushing 5, and the hinge mounting bracket 4 is sleeved on the bushing 5.
In this scheme, through setting up bush 5, the installation and the dismantlement of hinge mount bracket 4 of being convenient for.
In one embodiment of the present utility model, the pin 3 is located above the lower pipe frame 101.
In this scheme, through setting up round pin axle 3 in down tube frame 101 top for when the round pin axle 3 of back skeleton 1 rotates, can shorten the occupation space behind the back skeleton 1 rotation.
In one embodiment of the present utility model, the hinge mounting bracket 4 is welded and fixed by two support plates 402 disposed symmetrically.
In this scheme, two backup pads 402 symmetry sets up, has reduced the cost input of backup pad 402 mould development.
Claims (9)
1. The utility model provides an integral back skeleton texture of car back row, includes back skeleton, its characterized in that, install the mounting panel between the back skeleton both ends, be equipped with the round pin axle on the mounting panel, the epaxial hinge mount support that rotates of round pin, hinge mount support installs on the automobile body bottom, back skeleton can rotate around the round pin axle, hinge mount support is equipped with the arc section, the arc section is close to the lower tube frame bottom setting of back skeleton.
2. The automotive rear-row monolithic back frame structure of claim 1, wherein: the cross section of mounting panel is the U-shaped, the mounting panel encircles and installs on the standpipe of back skeleton.
3. The automotive rear-row monolithic back frame structure of claim 2, wherein: the first side of mounting panel is equipped with the through-hole, the round pin axle with through-hole sliding connection, the epaxial bench stage and the screw thread section of being provided with of round pin, bench stage and screw thread section's diameter reduces in proper order, the hinge mounting support rotates to be installed on the bench stage, threaded connection has the nut on the screw thread section, the spacing installation of hinge mounting support is between round pin axle and nut.
4. The rear integrated back frame structure of an automobile according to claim 3, wherein: the second side of the mounting plate is provided with a notch, a limiting plate is arranged in the notch in a limiting mode, and the limiting plate is arranged between the nut and the hinge mounting bracket.
5. The automotive rear-row monolithic back frame structure of claim 4, wherein: the threaded section is provided with a bushing in a sliding manner, and the hinge mounting bracket is sleeved on the bushing.
6. The automotive rear-row monolithic back frame structure of claim 1, wherein: the hinge mounting bracket is formed by fixedly connecting two support plates which are symmetrically arranged.
7. The automotive rear-row monolithic back frame structure of claim 6, wherein: the two supporting plates are fixed through welding.
8. The automotive rear-row monolithic back frame structure of claim 1, wherein: the pin shaft is positioned above the lower pipe frame.
9. The automotive rear-row monolithic back frame structure of claim 1, wherein: the distance between the arc section and the outer wall of the lower pipe frame is 3-10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322701029.XU CN220764164U (en) | 2023-10-09 | 2023-10-09 | Integral back skeleton texture of car back row |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322701029.XU CN220764164U (en) | 2023-10-09 | 2023-10-09 | Integral back skeleton texture of car back row |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220764164U true CN220764164U (en) | 2024-04-12 |
Family
ID=90597952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322701029.XU Active CN220764164U (en) | 2023-10-09 | 2023-10-09 | Integral back skeleton texture of car back row |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220764164U (en) |
-
2023
- 2023-10-09 CN CN202322701029.XU patent/CN220764164U/en active Active
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