CN103917122A - Seat-belt lock assembly - Google Patents
Seat-belt lock assembly Download PDFInfo
- Publication number
- CN103917122A CN103917122A CN201280054372.1A CN201280054372A CN103917122A CN 103917122 A CN103917122 A CN 103917122A CN 201280054372 A CN201280054372 A CN 201280054372A CN 103917122 A CN103917122 A CN 103917122A
- Authority
- CN
- China
- Prior art keywords
- belt lock
- safety belt
- light fixture
- support unit
- lock housing
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
- A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
- A44B11/2503—Safety buckles
- A44B11/2546—Details
- A44B11/2565—Illuminated buckles
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
- A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
- A44B11/2503—Safety buckles
- A44B11/2507—Safety buckles actuated by a push-button
- A44B11/2523—Safety buckles actuated by a push-button acting parallel to the main plane of the buckle and in the same direction as the fastening action
Abstract
In a seat-belt lock assembly (8) having a seat-belt lock housing (10) and having an illuminating device (26) provided on the seat-belt lock housing (10) in order to identify the insertion opening (22) for the plug-in tongue, the illuminating device (26) has a light-emitting means (28), in particular an LED, and an optical waveguide (32) which is positioned on the seat-belt lock housing (10) in the area of the insertion opening (22), tapers in a wedge shape towards the light-emitting means (28) and picks up and distributes the light originating from the light-emitting means (28).
Description
Technical field
The present invention relates to a kind of safety belt lock assembly, it comprises safety belt lock housing and is arranged on the lighting device on this safety belt lock housing, and this lighting device is the insert port for tongue for mark.
Background technology
Had at large the safety belt lock of lighting device by prior art cicada, described lighting device is the insert port for safety belt tongue for mark.Lighting device can be realized in the dark and more easily to find safety belt lock sooner and to identify more quickly the insert port that tongue uses and handling safety is locking simply thus.Lighting device should be guaranteed the reliable illumination of insert port on the one hand, be prerequisite the service life of the length of lamp for this reason, this is because safety belt lock housing is conventionally closed in locking manner by welding method material, therefore cannot or only to open and to change light fixture with high cost afterwards.In addition, the structure space of safety belt lock housing inside is limited, thereby wishes that lighting device has very compact structure mode.Insert port also should be illuminated large as far as possible area, inadvertently hides preventing.Current safety belt lock assembly is not enough to meet these requirements.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of safety belt lock assembly, it can realize the lasting illumination as well as possible of insert port in the situation that of space requirement minimum.
This object is achieved by following manner: in a kind of safety belt lock assembly, this safety belt lock assembly comprises safety belt lock housing and is arranged on the lighting device on this safety belt lock housing, described lighting device is the insert port for tongue for mark, described lighting device has light fixture, especially LED, and described lighting device has the optical conductor shrinking towards described light fixture wedge shape on the safety belt lock housing being positioned in insert port region, the light that this optical conductor absorbs and distribution is sent by light fixture.Light fixture preferable configuration obtains so little, makes to use traditional safety belt lock housing.The current shortcoming of little light fixture, especially LED, field of illumination is minimum compensates by following manner,, the optical conductor of wedge shape is set before light fixture, the light that this optical conductor scattering is sent by light fixture, thus on the outside of safety belt lock, can see larger field of illumination.Therefore can in the situation that light fixture is minimum,--structure space that this light fixture only need to be little in safety belt lock housing--provide great apparent field of illumination.In addition, by preferably from outside visible wedge-type shape realized the optical markings of the direction of insertion to tongue, assist thus to fasten seat belts fast.Except little space requirement, LED also provides such advantage: LED very durable and be difficult for being interfered.
In order to simplify the assembling of safety belt lock, be preferably light fixture and optical conductor a common support unit is set, this support unit is fixed on safety belt lock housing.Light fixture and optical conductor can be contained on described support unit in advance, thereby only member, a support unit need be fixed on safety belt lock housing in the time of assembling safety belt lock.This advantage of also bringing is in addition: can accurately locate the relative light fixture of optical conductor in the preparatory stage being arranged on support unit, this is necessary to realizing the good illumination of insert port.Support unit also can be pre-installed and be supplied with light fixture together with optical conductor.
Support unit can have resistance, to make the required voltage of voltage adaptation light fixture of automobile power source.
The conductor that support unit for example has plastics armouring and is especially made up of lead frame, this conductor is sealed by the injection of plastics armouring.Plastics armouring is protected and is reliably kept described conductor, thereby can reliably get rid of the conductors against damage causing because rocking or vibrating.On described plastics armouring, also can be provided for accommodation section or the retaining element of light fixture and optical conductor, described parts simply connector on this accommodation section or retaining element, thereby also simplified the assembling of safety belt lock assembly by plastics armouring.In the time that conductor is made up of lead frame, the advantage also having is: accurate shape or the trend of conductor are given in advance, and described conductor can not move during injection process in injection molding, and in this injection molding, conductor is injected and seals.
In order to connect the electrical network of light fixture and vehicle, support unit preferably has cable, and these cables can be laid in safety belt lock housing.These cables can be electrically connected with conductor or a part for conductor.
Replace lead frame, light fixture also can be connected with cable via printed circuit board (PCB) with resistance if desired.
Inside safety belt lock housing, preferable configuration has passage for this reason, and described cable laying is in these passages.For example construct like this passage, make cable not slide and therefore can not be stuck between safety belt lock and safety belt lock housing in the time of assembling safety belt lock.Especially cable can remain on safety belt lock housing by pulling force cancellation element, thereby avoids cable by tear fracture under excessive drag load.
In another embodiment, optical conductor for example can injection moulding to safety belt lock housing, this optical conductor is connected with safety belt lock housing one.Optical conductor preferably forms with safety belt lock housing the flat surfaces flushing, thereby does not produce disadvantageous gap or seamed edge on outside, makes safety belt lock housing have high-quality profile.
Accompanying drawing explanation
Following description taken in conjunction accompanying drawing provides other advantage and feature.In accompanying drawing:
Fig. 1 is according to safety belt lock assembly of the present invention;
Fig. 2 is the exploded view of safety belt lock half shell of the safety belt lock housing of Fig. 1, wherein has lighting device;
Fig. 3 is the detail view of safety belt lock half shell of Fig. 2, wherein has the lighting device having assembled;
Fig. 4 is the cutaway view of the optical conductor of the lighting device of Fig. 3.
The specific embodiment
Fig. 1 illustrates the safety belt lock assembly 8 that comprises safety belt lock housing 10, and described safety belt lock housing comprises top safety belt lock half shell 12 and bottom safety belt lock half shell 14.Described safety belt lock housing 10 is substantially the same with traditional safety belt lock housing, its each safety belt lock half shell 12,14 along seam 16 for example by ultrasonic bonding material in locking manner (stoffschluessig) be connected to each other.
In rearward end 18, safety belt lock housing 10 is fixed on vehicle side via accessory.On contrary leading section 20, illustrate for the insert port 22 of unshowned tongue herein and for discharging the operated key 24 of tongue.
In addition, be provided with lighting device 26 in insert port 22, the structure of this lighting device is set forth below.
As seen from Figure 2, lighting device 26 mainly comprises: light fixture 28, LED in this case; For the support unit 30 of light fixture 28; Optical conductor 32 and two cables 34 for lighting device 26 and circuit are connected.
Support unit 30 is plastic injection pieces, and it seals and protect thus a conductor that cable 34 is electrically connected with light fixture 28 completely.This conductor is for example made up of lead frame, and this lead frame is sealed by the injection of plastics armouring.Support unit 30 has for the accommodation section 36 of light fixture 28 and at dorsal part and has the interface unit 38 for cable 34.As shown below, described support unit 30 is configured for the holding device of light fixture 28, to light fixture is fixed in safety belt lock half shell 14.
Optical conductor 32 is made up of the plastics of local transparent at least and as shown in Figure 2, towards light fixture 28 wedge shapes shrink.End 40 towards light fixture 28 has such shape at this, and this shape can realize optical conductor 32 is directly connected on light fixture 28.
On the leading section of safety belt lock half shell 14, be provided with space 46, optical conductor 32 can be embedded in this space, and is provided with the holding tank 48 for light fixture 28 and support unit 30, and this holding tank 48 has and being connected of space 46.
Fig. 3 illustrates the parts of the lighting device that is in the confined state in safety belt lock half shell 14.Optical conductor 32 is embedded in space 46, and wherein, the visible front side of optical conductor 32 flushes with the outside of safety belt lock half shell 14 and forms smooth surface with this outside.
Especially may be considered that: in double-component injection method, manufacture during safety belt lock half shell directly optical conductor 32 injection mouldings to safety belt lock half shell 14, optical conductor 32 is connected in locking manner with safety belt lock half shell 14 materials.This advantage having is: can there is no disadvantageous seamed edge or manufacture with gap optical conductor 32 and safety belt lock half shell 14 between transition part.
Support unit 30 and light fixture 28 are embedded in accommodation section 48, and cable 34 is laid in and is arranged in the passage 42 on safety belt lock half shell 14.Pulling force cancellation element 44 is set in the rearward end 18 of safety belt lock half shell 14 on described passage, and these pulling force cancellation elements consist of hot pressing (Hei β verstemmung) at this.Described pulling force cancellation element prevents that excessive pulling force is applied on the cable of safety belt lock half shell 14 inside, and this pulling force may cause cable 34 to lose and contact with support unit 30.
The light being sent by light fixture 28 is by optical conductor 32 scatterings, thereby the whole front side 50 of optical conductor 32 illuminated (Fig. 4).Especially from Fig. 1 and 3, in the insert port 22 of safety belt lock housing 10, form thus the field of illumination of wedge shape by optical conductor 32, this field of illumination by its wedge-type shape predetermined to a certain extent direction, tongue should be inserted in insert port 22 in the direction.
Because LED is very durable light fixture 28, therefore guarantee the reliability service of lighting device 26.By correspondingly constructing optical conductor 32, to realize optical conductor 32 planar and illuminate uniformly.
Different from embodiment shown here, also can consider optical conductor 32 and light fixture 28 are together assemblied on support unit 30 and form thus a unit, this unit can be pre-installed completely and be supplied, and has reduced thus assembled in situ cost.
Claims (9)
1. safety belt lock assembly (8), it comprises safety belt lock housing (10) and is arranged on the lighting device (26) on this safety belt lock housing (10), this lighting device is the insert port (22) for tongue for mark, it is characterized in that, described lighting device (26) has: light fixture (28), especially LED; And on safety belt lock housing (10), be positioned at the optical conductor (32) in insert port (22) region, this optical conductor shrinks towards light fixture (28) wedge shape ground, the light that this optical conductor absorbs and distribution is sent by light fixture (28).
2. according to the safety belt lock assembly of claim 1, it is characterized in that, be provided with the support unit (30) for light fixture (28), and this support unit is fixed on safety belt lock housing.
3. according to the safety belt lock assembly of claim 1, it is characterized in that, for light fixture (28) and optical conductor (32) arrange a common support unit (30), this support unit is fixed on safety belt lock housing.
4. according to the safety belt lock assembly of claim 2 or 3, it is characterized in that, described support unit (30) has resistance.
5. according to the safety belt lock assembly of one of claim 2 to 4, it is characterized in that, the conductor that described support unit (30) has plastics armouring and is especially made up of lead frame, this conductor is sealed by described plastics armouring injection.
6. according to the safety belt lock assembly of claim 1 or 2, it is characterized in that, described support unit (30) is connected with the printed circuit board (PCB) of supporting light fixture.
7. according to the safety belt lock assembly of one of the claims, it is characterized in that, described support unit (30) has cable (34), to connect light fixture (28) and circuit.
8. according to the safety belt lock assembly of claim 7, it is characterized in that, described cable (34) is laid in and forms in the passage (42) on safety belt lock housing (10) inner side, and especially remains on described safety belt lock housing (10) by pulling force cancellation element (44).
9. according to the safety belt lock assembly of one of the claims, it is characterized in that, described optical conductor (32) is injected and molded on safety belt lock housing (10).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011114538.2 | 2011-09-29 | ||
| DE102011114538A DE102011114538A1 (en) | 2011-09-29 | 2011-09-29 | buckle assembly |
| PCT/EP2012/003923 WO2013045046A2 (en) | 2011-09-29 | 2012-09-20 | Seat-belt lock assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103917122A true CN103917122A (en) | 2014-07-09 |
| CN103917122B CN103917122B (en) | 2016-12-07 |
Family
ID=47010483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280054372.1A Active CN103917122B (en) | 2011-09-29 | 2012-09-20 | Seat-belt lock assembly |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20140268844A1 (en) |
| CN (1) | CN103917122B (en) |
| DE (1) | DE102011114538A1 (en) |
| WO (1) | WO2013045046A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108348046A (en) * | 2015-09-17 | 2018-07-31 | 关键安全体系股份有限公司 | Seat belt buckle to be illuminated |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103287386A (en) * | 2013-06-19 | 2013-09-11 | 无锡伊佩克科技有限公司 | Automobile safety belt |
| DE102013020619A1 (en) * | 2013-12-02 | 2015-06-03 | Trw Automotive Gmbh | Housing shell for a buckle and housing for a buckle |
| EP3169179B2 (en) | 2014-07-15 | 2023-12-06 | ZF Automotive Germany GmbH | Seat belt buckle |
| DE102015206602A1 (en) | 2014-12-19 | 2016-06-23 | Volkswagen Aktiengesellschaft | Illuminated belt lock |
| DE102016204961B4 (en) * | 2016-03-24 | 2022-08-11 | Autoliv Development Ab | Illuminated belt lock for a safety belt device in a motor vehicle |
| EP3251540A1 (en) | 2016-05-30 | 2017-12-06 | ALT Technologies B.V. | Illuminated seatbelt buckle |
| US10259387B1 (en) | 2017-10-16 | 2019-04-16 | Jvis-Usa, Llc | Illuminated vehicle interior assembly such as a safety belt buckle assembly |
| US10144347B1 (en) | 2017-10-16 | 2018-12-04 | Jvis-Usa, Llc | Illuminator assembly for a safety belt buckle |
| ES1214659Y (en) * | 2018-05-22 | 2018-09-13 | Villafranca Antonio Cebrian | SEAT BELT CLOSURE WITH LIGHTING |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4237586A (en) * | 1977-10-21 | 1980-12-09 | Nsk-Warner K.K. | Buckle device for safety belt |
| GB2245308A (en) * | 1990-05-11 | 1992-01-02 | Takata Corp | Illuminated seat belt buckle. |
| CN1864577A (en) * | 2005-05-19 | 2006-11-22 | 高田株式会社 | Buckle apparatus and seat belt apparatus |
| CN1880133A (en) * | 2005-06-15 | 2006-12-20 | 高田株式会社 | Buckle apparatus and seat belt apparatus |
| US20070236917A1 (en) * | 2006-04-07 | 2007-10-11 | Tk Holdings Inc | Lighted soft touch buckle for restraint system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007047704B4 (en) * | 2007-10-05 | 2018-03-01 | Autoliv Development Ab | Illuminated belt buckle for a vehicle safety belt |
| DE202008005748U1 (en) * | 2008-04-25 | 2008-07-17 | Schonath, Andreas | Lighting for the belt buckle of a safety belt |
| DE102009047937A1 (en) * | 2009-10-01 | 2011-04-07 | Continental Automotive Gmbh | Belt buckle with a sensor lighting assembly |
-
2011
- 2011-09-29 DE DE102011114538A patent/DE102011114538A1/en active Pending
-
2012
- 2012-09-20 WO PCT/EP2012/003923 patent/WO2013045046A2/en active Application Filing
- 2012-09-20 CN CN201280054372.1A patent/CN103917122B/en active Active
- 2012-09-20 US US14/346,350 patent/US20140268844A1/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4237586A (en) * | 1977-10-21 | 1980-12-09 | Nsk-Warner K.K. | Buckle device for safety belt |
| GB2245308A (en) * | 1990-05-11 | 1992-01-02 | Takata Corp | Illuminated seat belt buckle. |
| CN1864577A (en) * | 2005-05-19 | 2006-11-22 | 高田株式会社 | Buckle apparatus and seat belt apparatus |
| CN1880133A (en) * | 2005-06-15 | 2006-12-20 | 高田株式会社 | Buckle apparatus and seat belt apparatus |
| US20070236917A1 (en) * | 2006-04-07 | 2007-10-11 | Tk Holdings Inc | Lighted soft touch buckle for restraint system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108348046A (en) * | 2015-09-17 | 2018-07-31 | 关键安全体系股份有限公司 | Seat belt buckle to be illuminated |
| CN108348046B (en) * | 2015-09-17 | 2021-10-08 | 关键安全体系股份有限公司 | Illuminated seat belt buckle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013045046A2 (en) | 2013-04-04 |
| CN103917122B (en) | 2016-12-07 |
| US20140268844A1 (en) | 2014-09-18 |
| DE102011114538A1 (en) | 2013-04-04 |
| WO2013045046A3 (en) | 2014-04-17 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |