CN116142044A - Seat back angle mechanical sensing device for seat belt retractor - Google Patents
Seat back angle mechanical sensing device for seat belt retractor Download PDFInfo
- Publication number
- CN116142044A CN116142044A CN202310177013.5A CN202310177013A CN116142044A CN 116142044 A CN116142044 A CN 116142044A CN 202310177013 A CN202310177013 A CN 202310177013A CN 116142044 A CN116142044 A CN 116142044A
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- angle
- lever
- seat back
- seat
- steel cable
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 63
- 239000010959 steel Substances 0.000 claims abstract description 63
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000008859 change Effects 0.000 abstract description 12
- 230000007246 mechanism Effects 0.000 abstract description 3
- 210000000078 claw Anatomy 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/34—Belt retractors, e.g. reels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Automotive Seat Belt Assembly (AREA)
Abstract
The invention discloses a seat back angle mechanical sensor for a safety belt retractor, which comprises an angle transmission assembly and a lever assembly; the angle transmission assembly is connected with the seat angle adjuster, the lever assembly is arranged on the seat backrest framework, and the lever assembly is respectively connected with the angle transmission assembly and the safety belt retractor. The invention directly fixes the steel cable on two parts of the relative motion of the seat angle adjuster, and converts the length change of the steel cable at the angle adjuster end into the length change of the steel cable at the retractor end through a lever mechanism, thereby transmitting the angle change of the seat back to the seat belt retractor.
Description
Technical Field
The invention belongs to the technical field of vehicle safety belt adjustment, and particularly relates to a seat back angle mechanical sensor for a seat back retractor, which can transmit angle change of a vehicle seat back to the seat back-mounted seat back.
Background
In order to realize space diversity, the seat is often designed with a relatively large fore-and-aft adjustment range, and at this time, if the seat belt is still arranged on the vehicle body, the seat belt can extend too far in some cases, and a proper wearing angle cannot be found, so that discomfort is caused. Therefore, for a vehicle type with a large seat front-rear adjustment space, the seatbelt retractor is provided on the seat back so that the seatbelt retractor moves together with the seat back.
When the seat belt retractor is arranged on the backrest, the seat belt retractor can change angle along with the adjustment of the backrest, the vehicle feel of the retractor is related to the gravity direction, and when the backrest adjustment angle is too large, the seat belt can fail. If the safety belt still needs to be not invalid at this time, the angle change of the seat back needs to be transmitted to the retractor, so that the aim of ensuring that the retractor can still work normally is fulfilled.
The existing implementation scheme is that an angle sensing device is arranged on the outer side of an angle adjuster and is provided with an upper fixing claw and a lower fixing claw, the fixing claw at the upper end is fixed on a seat backrest, the fixing claw at the lower end is fixed on a bracket extending out of a seat cushion framework metal plate, and when the backrest rotates, the upper fixing claw and the lower fixing claw drive two parts of the sensor to relatively rotate and move so as to drive a steel cable in the sensor, so that sensing is realized.
CN215513592U discloses a compensating assembly for a seatbelt retractor, a planetary gear train device is connected to a first connecting device, a second connecting device and a retractor respectively, the adjustment of the first connecting device and the second connecting device is related to the angle of the retractor, the planetary gear train device is connected with the retractor to directly compensate the angle of the retractor, a sun gear is connected with the first connecting device, a planetary gear engaged around the sun gear is rotatably mounted on a planet carrier, the planet carrier is connected with the retractor, and a gear ring is engaged with the planetary gear outside the planetary gear and is connected with the second connecting device. The invention also relates to a car seat comprising the compensation assembly. According to the compensation component and the automobile seat thereof, the adjustment of the first connecting device and the adjustment of the second connecting device are fed back to the retractor in real time through the planetary gear train device to perform angle compensation, and the retractor is adjusted accordingly, so that the safety belt can be normally used in the full adjustment stroke of the seat.
Disclosure of Invention
The invention aims to provide a seat back angle mechanical sensor for a seat belt retractor, which directly fixes a steel rope on two parts of relative motion of the seat angle adjuster, and converts the length change of the steel rope at the angle adjuster end into the length change of the steel rope at the retractor end through a lever mechanism, so that the angle change of the seat back is transmitted to the seat belt retractor.
The invention aims at being realized by the following technical scheme, and the following technical scheme is combined with the accompanying drawings:
a seat back angle mechanical sensor for a seatbelt retractor comprising an angle transfer assembly and a lever assembly; the angle transmission assembly is connected with the seat angle adjuster, the lever assembly is arranged on the seat backrest framework 1, and the lever assembly is respectively connected with the angle transmission assembly and the seat belt retractor.
Further, the angle transmission assembly comprises a lower connecting plate bracket 7 and an angle modulation steel cable 8; the lower connecting plate bracket 7 is welded and fixed on the lower connecting plate 2 of the angle adjuster, one end of the angle adjusting steel rope 8 is connected with the lower connecting plate bracket 7, and the other end of the angle adjusting steel rope 8 is connected with the lever 3 of the lever assembly.
Preferably, the angle modulation steel cable 8 is provided with a sheath, a first angle modulation steel cable bracket 81 and a second angle modulation steel cable bracket 82; the first angle modulation steel cable bracket 81 and the second angle modulation steel cable bracket 82 are respectively welded on the seat back framework 1 and are used for fixing the sheath of the angle modulation steel cable 8.
Preferably, the angle-adjusting steel cable 8 is connected with the lower connecting plate bracket 7 through a cylindrical joint.
Further, the lever assembly comprises a lever 3, a lever shaft 31, a retractor cable 4; the lever 3 is rotatably connected to the seat back frame 1 through a lever shaft 31, the lever 3 is respectively connected to the angle adjusting wire rope 8 and the retractor wire rope 4, and the other end of the retractor wire rope 4 is connected to the retractor.
Preferably, the end of the lever 3 remote from the lever shaft 31 is connected to the seat back frame 1 by a return spring 5.
Further, a coil spring is mounted on the lever shaft 31, and is connected to the seat back frame 1.
The invention has the following advantages:
the invention provides a seat back angle mechanical sensor for a seat belt retractor, which directly fixes a steel rope on two parts of relative motion of the seat angle adjuster, and converts the length change of the steel rope at the angle adjuster end into the length change of the steel rope at the retractor end through a lever mechanism, so that the angle change of the seat back is transmitted to the seat belt retractor.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings to be used in the description of the embodiments of the present invention, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the contents of the embodiments of the present invention and these drawings without inventive effort for those skilled in the art.
FIG. 1 is a schematic view of a seat back angle mechanical sensor for a seatbelt retractor according to embodiment 1 of the present invention;
in the figure:
1-a seatback frame; 2-a lower connecting plate of the angle adjuster; 3-lever; 31-a lever shaft; 4-retractor wire rope; 5-a return spring; 7-a lower connecting plate bracket; 8-angle modulation steel ropes; 81-a first angle modulation steel cable bracket; 82-second angle modulation steel rope bracket.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
A seat back angle mechanical sensor for a seatbelt retractor comprising an angle transfer assembly and a lever assembly; the angle transmission assembly is connected with the seat angle adjuster, the lever assembly is arranged on the seat backrest framework 1, and the lever assembly is respectively connected with the angle transmission assembly and the seat belt retractor.
Further, the angle transmission assembly comprises a lower connecting plate bracket 7 and an angle modulation steel cable 8; the lower connecting plate bracket 7 is welded and fixed on the lower connecting plate 2 of the angle adjuster, one end of the angle adjusting steel rope 8 is connected with the lower connecting plate bracket 7, and the other end of the angle adjusting steel rope 8 is connected with the lever 3 of the lever assembly.
Preferably, the angle modulation steel cable 8 is provided with a sheath, a first angle modulation steel cable bracket 81 and a second angle modulation steel cable bracket 82; the first angle modulation steel cable bracket 81 and the second angle modulation steel cable bracket 82 are respectively welded on the seat back framework 1 and are used for fixing the sheath of the angle modulation steel cable 8.
Preferably, the angle-adjusting steel cable 8 is connected with the lower connecting plate bracket 7 through a cylindrical joint.
Further, the lever assembly comprises a lever 3, a lever shaft 31, a retractor cable 4; the lever 3 is rotatably connected to the seat back frame 1 through a lever shaft 31, the lever 3 is respectively connected to the angle adjusting wire rope 8 and the retractor wire rope 4, and the other end of the retractor wire rope 4 is connected to the retractor.
Preferably, the end of the lever 3 remote from the lever shaft 31 is connected to the seat back frame 1 by a return spring 5.
Further, a coil spring is mounted on the lever shaft 31, and is connected to the seat back frame 1.
Example 1
As shown in fig. 1, a seat back angle mechanical sensor for a seatbelt retractor includes an angle transmitting assembly and a lever assembly; the angle transmission assembly is connected with the seat angle adjuster, the lever assembly is arranged on the seat backrest framework 1, and the lever assembly is respectively connected with the angle transmission assembly and the seat belt retractor steel cable 4.
The angle transmission assembly comprises a lower connecting plate bracket 7 and an angle modulation steel cable 8; the angle modulation steel cable 8 is provided with a sheath, a first angle modulation steel cable bracket 81 and a second angle modulation steel cable bracket 82; the lower connecting plate bracket 7 is welded and fixed on the lower connecting plate 2 of the angle adjuster, and the first angle adjusting steel rope bracket 81 and the second angle adjusting steel rope bracket 82 are respectively welded on the seat back framework 1 and are used for fixing the sheath of the angle adjusting steel rope 8; one end of the angle modulation steel cable 8 is connected with the lower connecting plate bracket 7 through a cylindrical joint, and the other end of the angle modulation steel cable 8 is connected with the lever 3 of the lever assembly.
The lever assembly comprises a lever 3, a lever shaft 31, a retractor cable 4 and a return spring 5; the lever 3 is rotatably connected to the seat back frame 1 through a lever shaft 31, the lever 3 is respectively connected with the angle-adjusting steel cable 8 and the retractor steel cable 4, the other end of the retractor steel cable 4 is connected with the retractor, and one end, far away from the lever shaft 31, of the lever 3 is connected to the seat back frame 1 through a return spring 5.
The working principle of the present embodiment is briefly described below:
the lower connecting plate bracket 7 is welded with the lower connecting plate 2 of the angle adjuster, a first angle adjusting steel rope bracket 81 and a second angle adjusting steel rope bracket 82 are welded on the seat back, and the sheaths of the angle adjusting steel ropes are fixed on the two angle adjusting steel rope brackets. One end of the angle modulation steel cable is connected with a lower connecting plate bracket welded on a lower connecting plate of the angle adjuster through a cylindrical joint, and when the angle of the backrest changes, the lower connecting plate bracket moves relative to the backrest of the seat, and the angle modulation steel cable is pulled to move relative to the sheath. The other end of the angle-adjusting steel cable is connected to a lever, the lever can rotate around a lever shaft, when the lever rotates, the retractor steel cable is pulled, and the retractor steel cable is connected with the retractor, so that the transmission of angles is realized. One end of the lever, which is far away from the lever shaft, is connected to the seat backrest framework through a return spring, so that the return of the lever is realized.
Example 2
The present embodiment discloses a seat back angle mechanical sensor for a seatbelt retractor, which is different from embodiment 1 in that a return spring 5 is replaced with a coil spring mounted on a lever shaft.
Example 3
The present embodiment discloses a seat back angle mechanical sensor for a seatbelt retractor, which is different from embodiment 1 in that a lever adopts a disc type.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A seat back angle mechanical sensor for a seatbelt retractor, comprising an angle transfer assembly and a lever assembly; the angle transmission assembly is connected with the seat angle adjuster, the lever assembly is arranged on the seat backrest framework (1), and the lever assembly is respectively connected with the angle transmission assembly and the safety belt retractor.
2. A seat back angle mechanical sensor for a seatbelt retractor according to claim 1, wherein the angle transmitting assembly comprises a lower web bracket (7) and an angle adjusting wire rope (8); the lower connecting plate support (7) is welded and fixed on the lower connecting plate (2) of the angle adjuster, one end of the angle adjusting steel cable (8) is connected with the lower connecting plate support (7), and the other end of the angle adjusting steel cable (8) is connected with the lever (3) of the lever assembly.
3. A seat back angle mechanical sensor for a seatbelt retractor according to claim 2, wherein the angle adjusting wire rope (8) is provided with a sheath, a first angle adjusting wire rope bracket (81) and a second angle adjusting wire rope bracket (82); the first angle modulation steel cable bracket (81) and the second angle modulation steel cable bracket (82) are respectively welded on the seat backrest framework (1) and are used for fixing the sheath of the angle modulation steel cable (8).
4. A seat back angle mechanical sensor for a seatbelt retractor according to claim 2, wherein the angle adjusting wire rope (8) is connected to the lower web bracket (7) by a cylindrical joint.
5. A seat back angle mechanical sensor for a seatbelt retractor according to claim 2, wherein the lever assembly comprises a lever (3), a lever shaft (31), a retractor cable (4); the lever (3) is rotatably connected to the seat backrest framework (1) through a lever shaft (31), the lever (3) is respectively connected with the angle-adjusting steel cable (8) and the coiler steel cable (4), and the other end of the coiler steel cable (4) is connected with the coiler.
6. A seat back angle mechanical sensor for a seatbelt retractor according to claim 5, wherein an end of the lever (3) remote from the lever shaft (31) is connected to the seat back frame (1) by a return spring (5).
7. A seat back angle mechanical sensor for a seatbelt retractor according to claim 5, wherein the lever shaft (31) is mounted with a coil spring attached to the seat back frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310177013.5A CN116142044B (en) | 2023-02-28 | 2023-02-28 | Seat back angle mechanical sensing device for seat belt retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310177013.5A CN116142044B (en) | 2023-02-28 | 2023-02-28 | Seat back angle mechanical sensing device for seat belt retractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116142044A true CN116142044A (en) | 2023-05-23 |
| CN116142044B CN116142044B (en) | 2024-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310177013.5A Active CN116142044B (en) | 2023-02-28 | 2023-02-28 | Seat back angle mechanical sensing device for seat belt retractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116142044B (en) |
Citations (20)
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|---|---|---|---|---|
| EP0438289A1 (en) * | 1990-01-16 | 1991-07-24 | AlliedSignal Limited | Vehicle seat safety arrangements |
| DE19717689A1 (en) * | 1997-04-28 | 1998-10-29 | Hammerstein Gmbh C Rob | Seat with integral belt for motor vehicle |
| JPH11165570A (en) * | 1997-12-02 | 1999-06-22 | Nippon Seiko Kk | Reclining seat |
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| CN215513592U (en) * | 2021-06-11 | 2022-01-14 | 延锋国际座椅系统有限公司 | A compensation assembly and car seat for safety belt coiler |
| CN215590546U (en) * | 2021-07-19 | 2022-01-21 | 江苏金鹏汽车座椅有限公司 | Double angle regulator back unlocking mechanism |
| CN115384445A (en) * | 2022-09-02 | 2022-11-25 | 浙江极氪智能科技有限公司 | Seat belt and vehicle |
-
2023
- 2023-02-28 CN CN202310177013.5A patent/CN116142044B/en active Active
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| US6340209B1 (en) * | 1997-09-12 | 2002-01-22 | Nsk Ltd. | Vehicle body acceleration sensor for seat belts |
| JPH11165570A (en) * | 1997-12-02 | 1999-06-22 | Nippon Seiko Kk | Reclining seat |
| JPH11326362A (en) * | 1998-03-16 | 1999-11-26 | Nippon Seiko Kk | Car-body accelerometer for seat belt |
| JPH11291865A (en) * | 1998-04-10 | 1999-10-26 | Nippon Seiko Kk | Retractor for seat belt |
| JP2000052921A (en) * | 1998-06-01 | 2000-02-22 | Takata Kk | Seat belt device |
| FR2892351A1 (en) * | 2005-10-21 | 2007-04-27 | Faurecia Sieges Automobile | Motor vehicle seat, has lever with control branch connected to traction unit connected to backrest and activated by rotation along transversal axis, and spring returning lever to rest position in which push end is remote from fixed stop |
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| CN111688631A (en) * | 2020-07-16 | 2020-09-22 | 延锋汽车智能安全系统有限责任公司 | Core wire transmission device for safety belt retractor and safety belt retractor |
| CN215513592U (en) * | 2021-06-11 | 2022-01-14 | 延锋国际座椅系统有限公司 | A compensation assembly and car seat for safety belt coiler |
| CN215590546U (en) * | 2021-07-19 | 2022-01-21 | 江苏金鹏汽车座椅有限公司 | Double angle regulator back unlocking mechanism |
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| Publication number | Publication date |
|---|---|
| CN116142044B (en) | 2024-07-12 |
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