CN215474650U - Connecting structure of rotating shaft and automobile body of automobile rear seat backrest - Google Patents
Connecting structure of rotating shaft and automobile body of automobile rear seat backrest Download PDFInfo
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- CN215474650U CN215474650U CN202120125430.1U CN202120125430U CN215474650U CN 215474650 U CN215474650 U CN 215474650U CN 202120125430 U CN202120125430 U CN 202120125430U CN 215474650 U CN215474650 U CN 215474650U
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- 239000002184 metal Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 16
- 238000010009 beating Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009191 jumping Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 2
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Abstract
The utility model discloses a connecting structure of a rotating shaft and a vehicle body of a rear-row seat backrest of an automobile, which comprises a backrest framework and a vehicle body connected with the backrest framework; one side of the backrest framework is provided with a spring rotating shaft, and the vehicle body is provided with a spring rotating shaft mounting metal plate matched with the spring rotating shaft at a position corresponding to the spring rotating shaft; the other side of the backrest framework is provided with a step rotating shaft, and the vehicle body is provided with a step rotating shaft mounting bracket assembly matched with the step rotating shaft at the position corresponding to the step rotating shaft. The seat backs of the utility model are mutually independent and do not influence each other, the whole assembly process is simple and convenient, the manufacturing tolerance of the seat and the vehicle body is absorbed through the spring rotating shaft, and meanwhile, the restraint of the force is exerted on the seat backs, so that the abnormal sound problem caused by the vertical jumping and the horizontal shaking of the seat back rotating shaft can be effectively avoided, and the seat has excellent quality performance.
Description
Technical Field
The utility model belongs to the field of automobile manufacturing, and particularly relates to a connecting structure of a rotating shaft and an automobile body of a rear seat backrest of an automobile.
Background
At present, with increasingly strong automobile market competition, automobile manufacturers control the quality of the whole automobile more strictly, and the seat quality performance is the first time. For the automobile back row seat with the backrest capable of being overturned, a bolt type rotating shaft mechanism is usually adopted for a backrest rotating shaft, and due to the clearance fit of hole shafts, the backrest can jump if encountering a rugged road in the automobile driving process after the backrest is overturned, and abnormal sound is easily generated at the backrest rotating shaft. In addition, limited by installation space, the backrest is difficult to install due to traditional bolt type assembly, most of the traditional bolt type assembly can only be installed in a mode of extruding the backrest or adopting a robot, and manual installation is inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides the connecting structure of the rotating shaft of the backrest of the rear row of the automobile and the automobile body, which is convenient to install and can effectively eliminate abnormal sound at the rotating shaft of the backrest.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a connecting structure of a rotating shaft and a vehicle body of a rear seat backrest of an automobile comprises a backrest framework and a vehicle body connected with the backrest framework; the method is characterized in that:
a spring rotating shaft is arranged on one side of the backrest framework, and a spring rotating shaft mounting metal plate matched with the spring rotating shaft is arranged on the vehicle body at a position corresponding to the spring rotating shaft;
the other side of the backrest framework is provided with a step rotating shaft, and the vehicle body is provided with a step rotating shaft mounting bracket assembly matched with the step rotating shaft at a position corresponding to the step rotating shaft.
Furthermore, the spring rotating shaft comprises a spring rotating shaft end nut, a spring rotating shaft limiting bushing, a spring bushing and a spring rotating shaft body which are connected in sequence;
the spring rotating shaft limiting bushing is provided with a bowl-shaped mounting surface, the spring rotating shaft mounting metal plate is provided with a bowl-shaped hole matched with the bowl-shaped mounting surface, so that the bowl-shaped mounting surface of the spring rotating shaft is just mounted in the bowl-shaped hole of the spring rotating shaft mounting metal plate, and the spring rotating shaft limiting bushing is fixed on the spring rotating shaft mounting metal plate through a nut at the end part of the spring rotating shaft;
the spring rotating shaft is characterized in that a limiting step is arranged on the spring rotating shaft body, the backrest framework is provided with a through hole matched with the spring rotating shaft body, the spring rotating shaft body is just inserted into the through hole and passes through the limiting step for limitation, and the insertion end of the spring rotating shaft body is fixed through a first fastener.
Furthermore, the step rotating shaft comprises a step rotating shaft body and a step rotating shaft bushing, the step rotating shaft body is composed of a step rotating shaft flanging, a rotating shaft step surface and a rotating shaft part which are sequentially connected, the step rotating shaft bushing is sleeved on the rotating shaft step surface of the step rotating shaft body, and a bushing limiting step parallel to the step rotating shaft flanging is arranged on the step rotating shaft bushing to enable the step rotating shaft body and the step rotating shaft bushing to be encircled to form a step groove;
the step rotating shaft mounting bracket assembly is composed of two step rotating shaft mounting brackets and a bracket connecting plate for connecting the two step rotating shaft mounting brackets, the thickness of each step rotating shaft mounting bracket is matched with the width of a step groove in each step rotating shaft, each step rotating shaft mounting bracket is provided with a semi-closed hole, the step groove in each step rotating shaft just falls into the semi-closed hole of one step rotating shaft mounting bracket, and the other step rotating shaft mounting bracket is used for mounting a step rotating shaft of the other seat back;
the backrest framework is provided with a through hole matched with the rotating shaft part on the step rotating shaft body, so that the rotating shaft part is just inserted into the through hole and is fixed through a second fastener;
step pivot installing support apron is equipped with on the step pivot installing support assembly, step pivot installing support apron set up in the semi-closed hole top of step pivot installing support assembly, work as the step pivot is installed when semi-closed downthehole the step pivot installing support apron is right the step pivot is spacing.
Furthermore, the step rotating shaft bushing is composed of a bushing flanging and a bushing stepped surface which are matched with the step rotating shaft flanging and the rotating shaft stepped surface of the step rotating shaft body, so that the step rotating shaft flanging and the rotating shaft stepped surface of the step rotating shaft body can be just sleeved into the bushing flanging and the bushing stepped surface of the step rotating shaft bushing;
the bushing limiting step is arranged on the bushing step surface, and the step groove is formed by surrounding the bushing flanging, the bushing step surface and the bushing limiting step.
Furthermore, a rivet hole is formed in the step rotating shaft mounting support assembly, and the step rotating shaft mounting support cover plate is mounted on the rivet hole through a rivet and a bolt.
Furthermore, the spring rotating shaft is installed on the outer side of the backrest framework, the step rotating shaft is installed on the inner side of the backrest framework, and the step rotating shaft mounting bracket assembly is installed on a vehicle body bottom plate.
Furthermore, a guide groove is further formed in the spring rotating shaft mounting metal plate, and the bowl-shaped mounting surface of the spring rotating shaft falls into the bowl-shaped hole along the guide groove.
The utility model has the beneficial effects that:
1. the seat backrest is mutually independent in installation and does not influence each other, and the whole assembly process is simple and convenient.
2. The manufacturing tolerance of the seat and the vehicle body is absorbed through the spring rotating shaft, and meanwhile, the restraint of force is applied to the seat backrest, so that the abnormal sound problem caused by the vertical jumping and the left-right shaking of the seat backrest rotating shaft can be effectively avoided, and the seat has excellent quality performance.
Drawings
FIG. 1 is a schematic structural view of the present patent;
FIG. 2 is an exploded view of the stepped spindle;
FIG. 3 is a schematic structural view of a stepped spindle;
FIG. 4 is an exploded view of the step pivot mounting bracket assembly;
FIG. 5 is a schematic structural view of a step pivot mounting bracket assembly;
FIG. 6 is a schematic view of the installation structure of the step rotary shaft;
FIG. 7 is an exploded view of the spring spindle;
FIG. 8 is a schematic view of the structure of the spring shaft;
FIG. 9 is a schematic view of the mounting structure of the spring spindle;
FIG. 10 is a schematic view of the structure of the step hinge mounting bracket cover plate;
FIG. 11 is a schematic structural diagram of a spring shaft mounting metal plate;
wherein: 1. a backrest frame; 2. a step rotating shaft; 21. a step shaft body; 211. a step surface of the rotating shaft; 212. flanging the step rotating shaft; 213. a shaft portion; 22. a step shaft bushing; 221. a bushing step surface; 222. flanging the bushing; 223. a bushing limiting step; 224. a step groove; 23. a second fastener; 3. a step rotating shaft mounting bracket assembly; 31. the step rotating shaft is provided with a left bracket; 32. a bracket connecting plate; 33. the step rotating shaft is provided with a right bracket; 331. semi-closed pores; 332. rivet holes; 4. a step rotating shaft is provided with a bracket cover plate; 41. riveting; 5. a spring shaft; 51. a spring rotating shaft end nut; 52. a spring rotating shaft limiting bush; 521. a bowl-shaped mounting surface; 53. a spring; 54. a spring bushing; 55. a spring shaft body; 551. a limiting step; 56. a first fastener; 6. a metal plate is arranged on the spring rotating shaft; 61. a guide groove; 62. a bowl-shaped hole.
Detailed Description
To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described with reference to specific embodiments. This invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concept of the utility model to those skilled in the art, and the present invention will only be defined by the appended claims.
As shown in fig. 1-11, a connecting structure of a rotating shaft and a vehicle body of a rear seat back of an automobile comprises a back frame 1 and a vehicle body connected with the back frame 1. One side of the backrest framework 1 is provided with a spring rotating shaft 5, and the vehicle body is provided with a spring rotating shaft mounting metal plate 6 matched with the spring rotating shaft 5 at a position corresponding to the spring rotating shaft 5; the other side of the backrest framework 1 is provided with a step rotating shaft 2, and the vehicle body is provided with a step rotating shaft mounting bracket assembly 3 matched with the step rotating shaft 2 at the position corresponding to the step rotating shaft 2.
The spring rotating shaft 5 is installed on the outer side of the backrest framework 1, the step rotating shaft 2 is installed on the inner side of the backrest framework 1, and the step rotating shaft installing support assembly 3 is installed on a vehicle body bottom plate.
The spring rotating shaft 5 comprises a spring rotating shaft end nut 51, a spring rotating shaft limiting bushing 52, a spring 53, a spring bushing 54 and a spring rotating shaft body 55 which are connected in sequence. The spring 53 is in a compressed state.
Be equipped with bowl form installation face 521 on the spring spindle spacing bush 52, be equipped with on the spring spindle installation panel beating 6 with bowl form hole 62 of bowl form installation face 521 looks adaptation make the bowl form installation face 521 of spring spindle 5 just pack into in the bowl form hole 62 of spring spindle installation panel beating 6 to fix spring spindle spacing bush 52 on spring spindle installation panel beating 6 through spring spindle tip nut 51, thereby accomplish the assembly of spring spindle 5 and spring spindle installation panel beating 6.
Preferably, the spring rotating shaft mounting metal plate 6 is further provided with a guide groove 61, and the bowl-shaped mounting surface 521 of the spring rotating shaft 5 falls into the bowl-shaped hole 62 along the guide groove 61.
The spring rotating shaft body 55 is provided with a limiting step 551, the backrest frame 1 is provided with a through hole matched with the spring rotating shaft body 55, so that the spring rotating shaft body 55 is just inserted into the through hole and limited by the limiting step 551, and the insertion end of the spring rotating shaft body 55 is fixed by a first fastener 56, so that the spring rotating shaft 5 is fixed on the backrest frame 1.
The step rotating shaft 2 comprises a step rotating shaft body 21 and a step rotating shaft bushing 22, the step rotating shaft body 21 is composed of a step rotating shaft flanging 212, a rotating shaft step surface 211 and a rotating shaft part 213 which are sequentially connected, the step rotating shaft bushing 22 is sleeved on the rotating shaft step surface 211 of the step rotating shaft body 21, and a bushing limiting step 223 parallel to the step rotating shaft flanging 212 is arranged on the step rotating shaft bushing 22 to enable the step rotating shaft body 21 and the step rotating shaft bushing 22 to be enclosed to form a step groove 224.
Specifically, the stepped spindle bushing 22 is composed of a bushing flange 222 and a bushing stepped surface 221 which are matched with the stepped spindle flange 212 and the spindle stepped surface 211 of the stepped spindle body 21, so that the stepped spindle flange 212 and the spindle stepped surface 211 of the stepped spindle body 21 can be just sleeved into the bushing flange 222 and the bushing stepped surface 221 of the stepped spindle bushing 22.
The bushing limiting step 223 is arranged on the bushing step surface 221, and the shape of the bushing limiting step 223 is cylindrical or a bell mouth shape from small to large. The step groove 224 is enclosed by the bushing flange 222, the bushing step surface 221, and the bushing stop step 223.
The step rotating shaft mounting bracket assembly 3 is composed of a step rotating shaft mounting left bracket 31, a step rotating shaft mounting right bracket 33 and a bracket connecting plate 32 connecting the step rotating shaft mounting left bracket 31 and the step rotating shaft mounting right bracket 33.
The thicknesses of the left step rotating shaft mounting support 31 and the right step rotating shaft mounting support 33 are both matched with the width of the step groove 224 on the step rotating shaft 2, the left step rotating shaft mounting support 31 and the right step rotating shaft mounting support 33 are both provided with semi-closed holes 331, the step groove 224 on the step rotating shaft 2 just falls into the semi-closed hole 331 of one step rotating shaft mounting support, and the other step rotating shaft mounting support is used for mounting a step rotating shaft of another seat back.
The backrest frame 1 is provided with a through hole matched with the upper rotating shaft part 213 of the step rotating shaft body 21, so that the rotating shaft part 213 is just inserted into the through hole and fixed by the second fastener 23, thereby fixing the step rotating shaft 2 on the backrest frame 1.
Step pivot installing support apron 4 is equipped with on step pivot installing support assembly 3, and step pivot installing support apron 4 sets up in the semi-closed hole 331 top of step pivot installing support assembly 3, and step pivot installing support apron 4 is spacing to step pivot 2 when step pivot 2 is installed in semi-closed hole 331 to accomplish the assembly of step pivot 2 and step pivot installing support assembly 3.
Specifically, the step rotation shaft mounting left bracket 31 and the step rotation shaft mounting right bracket 33 enclose a rivet hole 332, and the step rotation shaft mounting bracket cover plate 4 is mounted on the rivet hole 332 through the rivet 41 and the bolt.
During the assembly of the seat back, install 5 one sides of spring spindle earlier, spring spindle 5 installs in the back skeleton 1 outside, as shown in fig. 9, spring spindle body 55 fixes on back skeleton 1 through first fastener 56, and bowl-shaped installation face 521 of spring spindle spacing bush 52 falls into bowl-shaped hole 62 along the guide way 61 of spring spindle installation panel beating 6, fixes spring spindle spacing bush 52 on spring spindle installation panel beating 6 through spring spindle tip nut 51.
Then, the spring 53 is compressed toward the seat back spring rotating shaft 5 side, the step rotating shaft 2 side is installed, the step rotating shaft 2 is installed inside the back frame 1, the step rotating shaft installing support assembly 3 is installed on the vehicle body floor, as shown in fig. 6, the rotating shaft portion 213 of the step rotating shaft 2 is fixed on the back frame 1 through the second fastening piece 23, and the step groove 224 falls into the semi-closed hole 331 of the step rotating shaft installing support assembly 3. After the left and right backrests are mounted, the step rotating shaft mounting bracket cover plate 4 is mounted in the rivet hole 332 of the step rotating shaft mounting bracket assembly 3 through the bolt and the rivet 41, so as to form complete restraint for the backrests, as shown in fig. 1.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (7)
1. A connecting structure of a rotating shaft and a vehicle body of a rear seat backrest of an automobile comprises a backrest framework (1) and a vehicle body connected with the backrest framework (1); the method is characterized in that:
a spring rotating shaft (5) is arranged on one side of the backrest framework (1), and a spring rotating shaft mounting metal plate (6) matched with the spring rotating shaft (5) is arranged on the vehicle body at a position corresponding to the spring rotating shaft (5);
the other side of back skeleton (1) is equipped with step pivot (2), the automobile body with step pivot (2) corresponding position be equipped with step pivot installing support assembly (3) of step pivot (2) looks adaptation.
2. The connecting structure of the rotating shaft of the rear seat backrest of the automobile and the automobile body as claimed in claim 1, characterized in that: the spring rotating shaft (5) comprises a spring rotating shaft end nut (51), a spring rotating shaft limiting bushing (52), a spring (53), a spring bushing (54) and a spring rotating shaft body (55) which are connected in sequence;
a bowl-shaped mounting surface (521) is arranged on the spring rotating shaft limiting bushing (52), a bowl-shaped hole (62) matched with the bowl-shaped mounting surface (521) is formed in the spring rotating shaft mounting metal plate (6), so that the bowl-shaped mounting surface (521) of the spring rotating shaft (5) is just mounted in the bowl-shaped hole (62) of the spring rotating shaft mounting metal plate (6), and the spring rotating shaft limiting bushing (52) is fixed on the spring rotating shaft mounting metal plate (6) through a spring rotating shaft end nut (51);
the spring rotating shaft is characterized in that a limiting step (551) is arranged on the spring rotating shaft body (55), a through hole matched with the spring rotating shaft body (55) is formed in the backrest framework (1) to enable the spring rotating shaft body (55) to be just inserted into the through hole and limited through the limiting step (551), and the insertion end of the spring rotating shaft body (55) is fixed through a first fastening piece (56).
3. The connecting structure of the rotating shaft of the rear seat backrest of the automobile and the automobile body as claimed in claim 1, characterized in that: the step rotating shaft (2) comprises a step rotating shaft body (21) and a step rotating shaft bushing (22), the step rotating shaft body (21) is composed of a step rotating shaft flanging (212), a rotating shaft step surface (211) and a rotating shaft portion (213) which are sequentially connected, the step rotating shaft bushing (22) is sleeved on the rotating shaft step surface (211) of the step rotating shaft body (21), and a bushing limiting step (223) parallel to the step rotating shaft flanging (212) is arranged on the step rotating shaft bushing (22) to enable the step rotating shaft body (21) and the step rotating shaft bushing (22) to be enclosed to form a step groove (224);
the step rotating shaft mounting bracket assembly (3) is composed of two step rotating shaft mounting brackets and a bracket connecting plate (32) connecting the two step rotating shaft mounting brackets, the thicknesses of the two step rotating shaft mounting brackets are matched with the width of a step groove (224) on the step rotating shaft (2), the two step rotating shaft mounting brackets are respectively provided with a semi-closed hole (331), the step groove (224) on the step rotating shaft (2) just falls into the semi-closed hole (331) of one step rotating shaft mounting bracket, and the other step rotating shaft mounting bracket is used for mounting a step rotating shaft of the other seat backrest;
a through hole matched with the upper rotating shaft part (213) of the step rotating shaft body (21) is formed in the backrest framework (1), so that the rotating shaft part (213) is just inserted into the through hole and is fixed through a second fastener (23);
step pivot installing support apron (4) are equipped with on step pivot installing support assembly (3), step pivot installing support apron (4) set up in semi-closed hole (331) top of step pivot installing support assembly (3), work as step pivot (2) are installed when in semi-closed hole (331) step pivot installing support apron (4) are right step pivot (2) carry on spacingly.
4. The connecting structure of the rotating shaft of the rear seat backrest of the automobile and the automobile body as claimed in claim 3, characterized in that: the step rotating shaft bushing (22) is composed of a bushing flanging (222) and a bushing stepped surface (221) which are matched with the step rotating shaft flanging (212) and the rotating shaft stepped surface (211) of the step rotating shaft body (21), so that the step rotating shaft flanging (212) and the rotating shaft stepped surface (211) of the step rotating shaft body (21) can be just sleeved into the bushing flanging (222) and the bushing stepped surface (221) of the step rotating shaft bushing (22);
the bushing limiting step (223) is arranged on the bushing step surface (221), and the step groove (224) is formed by surrounding the bushing flanging (222), the bushing step surface (221) and the bushing limiting step (223).
5. The connecting structure of the rotating shaft of the rear seat backrest of the automobile and the automobile body as claimed in claim 3, characterized in that: be equipped with rivet hole (332) on step pivot installing support assembly (3), step pivot installing support apron (4) are installed through rivet (41) and bolt on rivet hole (332).
6. The connecting structure of the rotating shaft of the rear seat backrest of the automobile and the automobile body as claimed in claim 1, characterized in that: install spring shaft (5) back skeleton (1) outside, install step pivot (2) back skeleton (1) is inboard, install on underbody step pivot installing support assembly (3).
7. The connecting structure of the rotating shaft of the rear seat backrest of the automobile and the automobile body as claimed in claim 2, characterized in that: still be equipped with guide way (61) on spring pivot installation panel beating (6), bowl form installation face (521) of spring pivot (5) are followed guide way (61) fall into in bowl form hole (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120125430.1U CN215474650U (en) | 2021-01-18 | 2021-01-18 | Connecting structure of rotating shaft and automobile body of automobile rear seat backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120125430.1U CN215474650U (en) | 2021-01-18 | 2021-01-18 | Connecting structure of rotating shaft and automobile body of automobile rear seat backrest |
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| Publication Number | Publication Date |
|---|---|
| CN215474650U true CN215474650U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120125430.1U Active CN215474650U (en) | 2021-01-18 | 2021-01-18 | Connecting structure of rotating shaft and automobile body of automobile rear seat backrest |
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| CN (1) | CN215474650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721760A (en) * | 2021-01-18 | 2021-04-30 | 东风安道拓汽车座椅有限公司 | Connecting structure of rotating shaft and automobile body of automobile rear seat backrest |
-
2021
- 2021-01-18 CN CN202120125430.1U patent/CN215474650U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721760A (en) * | 2021-01-18 | 2021-04-30 | 东风安道拓汽车座椅有限公司 | Connecting structure of rotating shaft and automobile body of automobile rear seat backrest |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 430000 plot 56md, Wuhan Economic and Technological Development Zone, Hubei Province Patentee after: Dongfeng Yanfeng automobile seat Co.,Ltd. Country or region after: China Address before: 430000 plot 56md, Wuhan Economic and Technological Development Zone, Wuhan City, Hubei Province Patentee before: DONGFENG ANDAOTUO AUTOMOBILE SEAT CO.,LTD. Country or region before: China |
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| CP03 | Change of name, title or address |