CN108528382B - One-way release device for safety belt - Google Patents
One-way release device for safety belt Download PDFInfo
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- CN108528382B CN108528382B CN201810467579.0A CN201810467579A CN108528382B CN 108528382 B CN108528382 B CN 108528382B CN 201810467579 A CN201810467579 A CN 201810467579A CN 108528382 B CN108528382 B CN 108528382B
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- 238000013459 approach Methods 0.000 claims abstract description 11
- 230000009471 action Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 2
- 238000004804 winding Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000036544 posture Effects 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- 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
- B60R22/18—Anchoring devices
- B60R22/19—Anchoring devices with means for reducing belt tension during use under normal conditions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automotive Seat Belt Assembly (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention relates to a one-way safety belt loosening device, which is characterized in that: the base is provided with a chute, a circuit board, a power supply access line, a signal line access line and a sliding frame; the sliding frame is combined with the base through a sliding groove, a delay switch is arranged on the sliding frame and is positioned below the gear B and communicated with the circuit board; an electromagnet is arranged on the sliding frame to push the unidirectional roller A to approach the unidirectional roller B; a spring is arranged between the electromagnet and the unidirectional roller A, and the shaft of the unidirectional roller A is connected with a gear A to coaxially and jointly rotate; the lower right 45 degree of the gear A is provided with a gear B, and a feeler lever is fixed on the gear B. The passenger can reduce the close contact feeling when using the safety belt, especially can change the uncomfortable feeling caused by the close contact of the safety belt to the body in summer, and the potential safety hazard is avoided.
Description
Technical Field
The invention relates to a one-way safety belt loosening device, which belongs to automobile safety accessory parts.
Background
The webbing of the safety belt is a belt which is woven by synthetic fibers such as nylon or polyester and has a width of about 50mm and a thickness of about 1.2mm, and the retractor is a device for adjusting the length of the safety belt according to sitting postures, statures and the like of passengers and winding the webbing when the safety belt is not in use. The retractor functions to store webbing and lock out webbing, which is the most complex mechanical piece in the seat belt. Under normal conditions, an occupant can freely pull the webbing at a constant speed on the seat, but when the webbing is continuously pulled out from the retractor, once the webbing is stopped or when the vehicle encounters an emergency state, the ratchet mechanism can perform locking action to lock the webbing automatically, so that the webbing is prevented from being pulled out. The mounting fixture is a lug, an insert, a bolt and the like connected with the vehicle body or the seat member, and the mounting position and the firmness of the mounting fixture directly influence the protection effect of the safety belt and the comfort of passengers.
The automobile safety belt is tightly attached to the body of the passenger when in use, so that the passenger has a binding sense and uncomfortable feeling, and particularly, the passenger with a relatively large size can be uncomfortable in summer even if the automobile safety belt is provided with an air conditioner, so that a plurality of people can only buckle the buckle and put the webbing on a seat behind the body, and the safety protection purpose of the safety belt is lost.
Disclosure of Invention
The invention aims to provide a one-way safety belt loosening device which is simple in structure, small in size, and capable of being installed above a side safety belt retractor of a vehicle, being hidden in the vehicle body and not seen from the outside, and is convenient to operate, and people do not need to operate during normal use. When the safety belt is too long, a user can pull the safety belt by hand, the problem that the safety belt is clung to the body and the tightening discomfort brought to people is solved, and the device can loosen the webbing in one direction by 30mm after the safety belt is taken, so that the clung sense of passengers can be reduced when the safety belt is used, and particularly the discomfort caused by the fact that the safety belt is clung to the body can be changed in summer, and the potential safety hazard is avoided.
The technical scheme of the invention is realized as follows: a one-way release device of a safety belt comprises a base, a sliding frame, a circuit board, a motor, an electromagnet, a spring, a one-way roller A, a one-way roller B, a gear A, a gear B, a feeler lever and a time delay switch; the method is characterized in that: the base is fixed above the coiler in the side stand column of the vehicle, and is provided with a chute, a circuit board, a power supply access line, a signal line access line and a sliding frame; the height of the sliding frame is 30mm, and the width is 50 mm; the sliding frame is combined with the base through the sliding groove, and the sliding distance of the sliding frame on the base is 30 mm; the sliding frame is provided with a delay switch which is positioned below the gear B and communicated with the circuit board; a motor is arranged on the sliding frame and drives the sliding frame to slide up and down; the sliding frame is provided with an electromagnet for pushing the unidirectional roller A to approach the unidirectional roller B, and the unidirectional roller A and the unidirectional roller B are both positioned on the same right side of the electromagnet; a spring is arranged between the electromagnet and the unidirectional roller A, and the shaft of the unidirectional roller A is connected with a gear A to coaxially and jointly rotate; the lower right 45 degree of the gear A is provided with a gear B, and a feeler lever is fixed on the gear B.
The unidirectional roller A can only rotate anticlockwise, and the unidirectional roller B can only rotate clockwise.
The safety belt is arranged between the unidirectional roller A and the unidirectional roller B, the lengths of the unidirectional roller A and the unidirectional roller B are slightly larger than the width of the safety belt, and the safety belt passes through the edge of the unidirectional roller B in a clinging way and is slightly far away from the unidirectional roller A.
The maximum distance between the unidirectional roller A and the unidirectional roller B is 3 mm, and the maximum stroke of the unidirectional roller A moving leftwards and rightwards is 2.5 mm, because the thickness of the safety belt is necessarily more than 0.5 mm and less than 3 mm.
The diameters of the unidirectional roller A and the unidirectional roller B are the same or the unidirectional roller B is smaller than the unidirectional roller A.
The unidirectional roller B is positioned on the right side of the unidirectional roller A, and the unidirectional roller B is fixed in position.
The travel of the unidirectional roller A is 2.5 mm, so that the distance between the gear A and the gear B is just the length of the meshing teeth on the gear A and the gear B, that is to say, the distance between the gear B and the gear A is: when the unidirectional roller A horizontally approaches the unidirectional roller B, the gear A is just meshed with the gear B, and when the unidirectional roller A horizontally approaches the unidirectional roller B, the gear A is just separated from the gear B, and the gear B can be guaranteed to freely rotate under the action of a spring of the gear B.
The gear B has a section without teeth, when the gear A rotates to drive the gear B to rotate, and when the feeler lever contacts with the delay initial contact, the gear B just reaches the toothless section, so that the gear B does not continue to rotate.
The shaft of the gear B is wound with a small spring, when the gear B is separated from the gear A, the gear B is rotated anticlockwise to the position of the feeler lever on the right side of the gear B, and the toothless section is just below.
The unidirectional roller A, the unidirectional roller B and the gear B are fixed on the sliding frame through the bracket, and a fixing hole between the shaft of the unidirectional roller A and the bracket is a long hole with the length of about 2.5 mm. The unidirectional roller A, the unidirectional roller B and the gear B are arranged on the right side of the sliding frame.
The invention has the advantages of solving uncomfortable feeling caused by the close contact of the safety belt with the body and solving the trouble that the safety belt cannot be timely dispersed due to sweating caused by the close contact of the safety belt with the body. When the device is used, the safety belt is not tightly attached to the human body, but is loose, so that the human body has no binding feeling and no uncomfortable feeling. If the safety belt is tightly clung to the body in summer, the heat cannot be dissipated in time, and a gap exists between the safety belt and the body, so that people have no constraint feeling and do not feel hot. The person driving is not willing to wear the safety belt, because of discomfort after wearing. The device solves the trouble.
Drawings
Fig. 1 is a schematic view of an initial state structure of the present invention.
Fig. 2 is a schematic view of the working state structure of the present invention.
Fig. 3 is an enlarged view of a portion of the normal operation state of the present invention.
Fig. 4 is a schematic view of the contact lever of the present invention in contact with a time delay switch contact.
Fig. 5 is a schematic view of the two unidirectional rollers of the present invention in a relaxed state.
Fig. 6 is a schematic view of the two unidirectional roller tightening state of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples: the whole device does not change the direction of the safety belt passing through the device in both the initial state and the working state.
A one-way release device of a safety belt comprises a base 1, a circuit board, a sliding frame 2, a motor 3, an electromagnet 5, a spring 4, a one-way roller A6, a one-way roller B7, a gear A9, a gear B10, a feeler lever 8 and a time delay switch 13; the method is characterized in that: the base 1 is fixed in the upright post on the side surface of the vehicle, the base 1 is provided with a chute, a power supply 15 and a signal wire access circuit board are arranged on the base 1, the base 1 is also connected with a sliding frame 2, and the height of the sliding frame 2 is 30mm and the width is 50 mm; the sliding frame 2 is combined with the base 1 through a sliding groove, and the sliding distance between the sliding frame 2 and the base 1 is 30 mm; the sliding frame 2 is provided with a delay switch 13 which is positioned below the gear B10 and communicated with the circuit board; the sliding frame 2 is provided with a motor 3, and the motor 3 drives the sliding frame 2 to slide up and down; the sliding frame 2 is provided with an electromagnet 5 for pushing the unidirectional roller A6 to approach the unidirectional roller B7, and the unidirectional roller A6 and the unidirectional roller B7 are both positioned on the same right side of the electromagnet 5; a spring 4 is arranged between the electromagnet 5 and the unidirectional roller A6 and used for pushing the unidirectional roller A6 away from the unidirectional roller B7, and a gear A9 is coaxially fixed on the unidirectional roller A6 for coaxial rotation; a gear B10 is provided at the lower right 45 degrees of the gear A9, and a feeler lever 8 is fixed to the gear B10 in order to prevent the gear A9 from interfering with the teeth of the gear B10 when the gear A9 approaches the gear B10. If it is horizontally oriented, the teeth may interfere with each other and affect the approach of gear A9 to gear B10.
The unidirectional roller A6 can only rotate anticlockwise, and the unidirectional roller B7 can only rotate clockwise.
The safety belt 11 is arranged between the unidirectional roller A6 and the unidirectional roller B7, the lengths of the unidirectional roller A6 and the unidirectional roller B7 are slightly larger than the width of the safety belt 11, and the safety belt 11 is clung to the edge of the unidirectional roller B7 to pass through and is slightly far away from the unidirectional roller A6.
The maximum distance between the unidirectional roller A6 and the unidirectional roller B7 is 3 mm, and the maximum distance of the unidirectional roller A6 moving left and right is 2.5 mm, because the thickness of the safety belt 11 is necessarily greater than 0.5 mm and less than 3 mm.
The diameters of the unidirectional roller A6 and the unidirectional roller B7 are the same or different.
The unidirectional roller B7 is positioned on the right side of the unidirectional roller A6, and the unidirectional roller B7 is fixed in position.
The travel of the unidirectional roller A6 is 2.5 mm, so that the distance between the gear A9 and the gear B10 is exactly the length of the meshing teeth on the gear A9 and the gear B10, that is, the distance between the gear B10 and the gear A9 is: when the unidirectional roller A6 horizontally approaches the unidirectional roller B7, the gear A9 is just meshed with the gear B10, and when the unidirectional roller A6 horizontally approaches the unidirectional roller B7, the gear A9 is just separated from the gear B10, and the gear B10 can be guaranteed to freely rotate under the action of own springs.
The gear B10 is provided with a section without teeth, the gear A9 rotates to drive the gear B10 to rotate, and when the feeler lever 8 contacts the delay switch contact 14, the gear B10 just reaches the toothless section, so that the gear B10 does not continue to rotate.
The shaft of the gear B10 is wound with a small spring, when the gear B10 is separated from the gear A9, the gear B10 is rotated anticlockwise to the position of the feeler lever 8 on the right side of the gear B10, and the toothless section is just below.
The unidirectional roller A6, the unidirectional roller B7 and the gear B7 are fixed on the sliding frame through the bracket, and a fixing hole between the shaft of the unidirectional roller A6 and the bracket is a long hole with the length of about 2.5 mm. The unidirectional roller A6, the unidirectional roller B7 and the gear B10 are arranged on the right side of the sliding frame 2.
Example 1
The car itself has a signal to detect whether the seat belt is buckled. When the safety belt buckle is inserted, a signal that the safety belt is buckled is transmitted into the device, the delay switch 13 of the device starts to work, after timing for 5 seconds (7 seconds or more), the delay switch 13 is connected with the power supply of the electromagnet 5, the electromagnet 5 works to push the unidirectional roller A6 to the right horizontally to the unidirectional roller B7, the stroke is about 2.5 mm, the safety belt 11 between the two rollers through the unidirectional roller A6 and the unidirectional roller B7 is clamped, then the motor is started to move the sliding frame 2 upwards for 30mm, because the safety belt 11 is clamped upwards by the unidirectional roller A6 which can only rotate anticlockwise, the unidirectional roller B7 only can rotate clockwise, and the safety belt 11 can only be driven to move upwards when the safety belt 11 is clamped and moves upwards, namely the safety belt 11 is loosened for 30 mm. The safety belt 11 is in a relaxed state, i.e. the safety belt 11 is only 30mm longer than it is when it is tightly attached to the body. Not tightly attached to the body, i.e. the function of the device. When the safety belt buckle is pulled out, the signal of the automobile is transmitted to the device, the electromagnet power supply is powered off, the unidirectional roller A6 runs leftwards by 2.5 mm under the action of the spring 4, the unidirectional roller B7 is far away, the clamped safety belt 11 is released, and the safety belt 11 is retracted by a retractor of the automobile. The motor 3 is started to run the carriage 2 down by 30mm and returns to the original state, completing a standard cycle.
Example 2
On the basis of embodiment 1, i.e. when the buckle is in the inserted state, the seat belt 11 is already in a relaxed state, but because the occupant is about to move his body forward or to the right, the seat belt 11 may be pulled out and stretched (the seat belt 11 may be pulled out because the roller is unidirectional and can only roll in the direction of stretching the seat belt 11), and if there are only the clamping means and no other means, the seat belt 11 may be pulled out much without being retracted, thus not functioning as the seat belt 11. When this occurs, if the length of the belt 11 pulled out is accumulated to be more than 15 mm (if the length of the belt is not more than 15 mm, that is, the feeler lever 8 does not contact the contact point 14 of the delay switch, the device is not released, the device is released and restarted only when the length of the belt pulled out is accumulated to be more than 15 mm), that is, the unidirectional roller A6 drives the gear A9 to rotate anticlockwise, and simultaneously drives the gear B10 to rotate clockwise, that is, when the feeler lever 8 on the gear B10 rotates to contact the contact point 14 of the delay switch, that is, at the moment, the belt 11 is just stretched by 15 mm, the contact point 14 of the delay switch is triggered (fig. 4), at the moment, the delay switch 13 is started, the electromagnet 5 is powered off, the belt 11 is loosened, the belt 11 is retracted, the motor 3 starts to drive the carriage 2 to move downwards by 30mm, returns to the initial state, the delay switch 13 starts for 5 seconds (this 5 seconds is the time for the passenger to move upper body), the electromagnet 5 is started to clamp the belt 11, the carriage 2 moves upwards by 30mm, and the belt 11 is in a relaxed state, and is not tightly attached to the body.
When the feeler lever 8 touches the contact 14 of the time delay switch, the safety belt 11 may continue to be pulled out in the extending direction, that is, the edge of the unidirectional roller A6 rolls for a length of 15 mm, but the pulling out of the safety belt 11 is not stopped, the pulled-out length exceeds 15 mm, the unidirectional roller A6 continues to rotate, but the gear B10 just reaches the toothless section, the gear B10 does not rotate with the gear A9 any more, that is, the feeler lever 8 just contacts the contact and the time delay switch 13 is started, and the toothless section 12 is designed to prevent the gear B10 from continuing to rotate so that the feeler lever 8 exceeds the upper part of the contact. In one sentence, that is, no matter how long the webbing belt 11 is pulled out, the gear B10 is rotated only to a position where the feeler lever 8 is in contact with the contact 15 of the time delay switch, and does not continue to rotate. At this time, the delay switch 13 is started, the electromagnet 5 is powered off, the unidirectional roller A6 moves leftwards under the drive of the spring 4 to drive the gear A9 to separate from the gear B10, and at this time, the gear B10 is rotated anticlockwise by the shaft winding spring on the gear B10 and returns to the initial state of the gear B10, namely the feeler lever 8 is positioned on the right, and the toothless section is positioned below (figure 3). If the eye-splice is pulled out at this time, the upward movement is not performed, and the initial state is maintained. If the buckle of the seat belt 11 is not pulled out at this time, the time delay switch starts the next upward clamping movement after 5 seconds.
Example 3
On the basis of example 3, i.e. the occupant moves the upper body to pull out the seat belt more than 15 mm and the time exceeds 5 seconds, the occupant is returned to his body after the seat belt 11 has been released by 30mm because the delay switch has restarted the seat belt to have been clamped and released by 30mm within these 5 seconds, and the seat belt is in a long state and is not safe. At this time, the occupant is required to pull the seat belt manually, and the length of the pull-out is only more than 15 mm. That is to say the device is restarted once.
Example 4
The seat belt itself has a further feature that the seat belt 11 is not pulled out when the seat belt is pulled suddenly, which is the function of the seat belt 11. If the device is in operation, i.e. can only be pulled out in the direction of elongation and cannot be retracted, the safety belt 11 is locked, i.e. cannot be pulled out or retracted. When the buckle is not inserted, the device is not active, and the occupant only releases the seat belt 11, so that the seat belt 11 returns to normal. In fact, this is known from the normal use of safety belts. When the buckle is inserted, the safety belt is pulled suddenly and can not be pulled continuously when the buckle is started and acts, because the safety belt 11 can only be pulled out and can not be retracted by the safety belt, the safety belt is in a state that the safety belt can not be pulled out and can not be retracted, the problem that the buckle is required to be pulled out and reinserted by an occupant is solved, and when the buckle is pulled out, the safety belt is released from the working state and returns to the initial state, namely the safety belt is restarted.
Claims (7)
1. A one-way release device of a safety belt comprises a base, a sliding frame, a circuit board, a motor, an electromagnet, a spring, a one-way roller A, a one-way roller B, a gear A, a gear B, a feeler lever and a time delay switch; the method is characterized in that: the base is fixed above the coiler in the side stand column of the vehicle, and is provided with a chute, a circuit board, a power supply access line, a signal line access line and a sliding frame; the height of the sliding frame is 30mm, and the width is 50 mm; the sliding frame is combined with the base through the sliding groove, and the sliding distance of the sliding frame on the base is 30 mm; the sliding frame is provided with a delay switch which is positioned below the gear B and communicated with the circuit board; a motor is arranged on the sliding frame and drives the sliding frame to slide up and down; the sliding frame is provided with an electromagnet for pushing the unidirectional roller A to approach the unidirectional roller B, and the unidirectional roller A and the unidirectional roller B are both positioned on the same right side of the electromagnet; a spring is arranged between the electromagnet and the unidirectional roller A, and the shaft of the unidirectional roller A is connected with a gear A to coaxially and jointly rotate; a gear B is arranged at the lower right 45 degrees of the gear A, and a feeler lever is fixed on the gear B; the unidirectional roller B is positioned on the right side of the unidirectional roller A, and the unidirectional roller B is fixed in position; when the unidirectional roller A horizontally approaches the unidirectional roller B, the gear A is just meshed with the gear B, and when the unidirectional roller A horizontally leaves the unidirectional roller B, the gear A is just separated from the gear B, and the gear B can be ensured to freely rotate under the action of a spring of the gear B; the gear B is provided with a section without teeth, when the gear A rotates to drive the gear B to rotate, and when the feeler lever contacts with the contact point of the delay switch, the gear B just reaches the toothless section, so that the gear B does not continue to rotate; the shaft of the gear B is wound with a small spring, when the gear B is separated from the gear A, the gear B is rotated anticlockwise to the position of the feeler lever on the right side of the gear B, and the toothless section is just below.
2. A one-way release device for a seat belt as claimed in claim 1, wherein the one-way roller a is rotatable only counterclockwise and the one-way roller B is rotatable only clockwise.
3. A one-way release device for a seat belt according to claim 1, wherein the seat belt is disposed between the one-way roller a and the one-way roller B, the one-way roller a and the one-way roller B having a length greater than a width of the seat belt, the seat belt passing closely along the one-way roller B and being spaced apart from the one-way roller a.
4. A one-way release device for a seat belt according to claim 1, wherein the maximum distance between the one-way roller a and the one-way roller B is 3 mm, and the maximum distance of the left-right movement of the one-way roller a is 2.5 mm.
5. A one-way release device for a seat belt according to claim 1, wherein the one-way roller a and the one-way roller B have the same diameter or the one-way roller B is smaller than the one-way roller a.
6. A one-way release device for a seat belt according to claim 1, wherein the one-way roller a is operated with a stroke of 2.5 mm, so that the distance between the gear a and the gear B is exactly the length of the meshing teeth on the gear a and the gear B.
7. The one-way release device of claim 1, wherein the one-way roller A, the one-way roller B and the gear B are fixed on the carriage through the bracket, the fixing hole between the shaft of the one-way roller A and the bracket is a long hole with a length of 2.5 mm, and the one-way roller A, the one-way roller B and the gear B are arranged on the right side of the carriage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810467579.0A CN108528382B (en) | 2018-05-16 | 2018-05-16 | One-way release device for safety belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810467579.0A CN108528382B (en) | 2018-05-16 | 2018-05-16 | One-way release device for safety belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108528382A CN108528382A (en) | 2018-09-14 |
| CN108528382B true CN108528382B (en) | 2023-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810467579.0A Active CN108528382B (en) | 2018-05-16 | 2018-05-16 | One-way release device for safety belt |
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| Country | Link |
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| CN (1) | CN108528382B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06270761A (en) * | 1993-03-18 | 1994-09-27 | Honda Motor Co Ltd | Seat belt tension adjustment device |
| KR19990031865U (en) * | 1997-12-31 | 1999-07-26 | 정몽규 | Seat belt retractor with tension relief and locking |
| CN1241507A (en) * | 1997-10-21 | 2000-01-19 | 孙寅贵 | Method of making car safety belt relaxing for certain controllable length and relevant regulating mechanism |
| JP2000118352A (en) * | 1998-10-14 | 2000-04-25 | Takata Corp | Seat belt retractor and seat belt device |
| CN2680521Y (en) * | 2004-01-02 | 2005-02-23 | 陈小华 | Safety belt in loose contact with human body |
| CN201046695Y (en) * | 2007-06-07 | 2008-04-16 | 马慧君 | Automobile safety belt locking apparatus |
| CN102874208A (en) * | 2011-07-12 | 2013-01-16 | 边靖涛 | Electronic safety belt clamp |
| CN208198338U (en) * | 2018-05-16 | 2018-12-07 | 张连生 | The unidirectional loosening device of safety belt |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006282015A (en) * | 2005-03-31 | 2006-10-19 | Takata Corp | Seat belt retractor, seat belt device, and vehicle therewith |
-
2018
- 2018-05-16 CN CN201810467579.0A patent/CN108528382B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06270761A (en) * | 1993-03-18 | 1994-09-27 | Honda Motor Co Ltd | Seat belt tension adjustment device |
| CN1241507A (en) * | 1997-10-21 | 2000-01-19 | 孙寅贵 | Method of making car safety belt relaxing for certain controllable length and relevant regulating mechanism |
| KR19990031865U (en) * | 1997-12-31 | 1999-07-26 | 정몽규 | Seat belt retractor with tension relief and locking |
| JP2000118352A (en) * | 1998-10-14 | 2000-04-25 | Takata Corp | Seat belt retractor and seat belt device |
| CN2680521Y (en) * | 2004-01-02 | 2005-02-23 | 陈小华 | Safety belt in loose contact with human body |
| CN201046695Y (en) * | 2007-06-07 | 2008-04-16 | 马慧君 | Automobile safety belt locking apparatus |
| CN102874208A (en) * | 2011-07-12 | 2013-01-16 | 边靖涛 | Electronic safety belt clamp |
| CN208198338U (en) * | 2018-05-16 | 2018-12-07 | 张连生 | The unidirectional loosening device of safety belt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108528382A (en) | 2018-09-14 |
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