CN112550098A - Pressure release energy-absorbing structure of car seat back - Google Patents
Pressure release energy-absorbing structure of car seat back Download PDFInfo
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- CN112550098A CN112550098A CN202011282205.5A CN202011282205A CN112550098A CN 112550098 A CN112550098 A CN 112550098A CN 202011282205 A CN202011282205 A CN 202011282205A CN 112550098 A CN112550098 A CN 112550098A
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- pressure relief
- pressure
- air
- air bag
- pipe
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- 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
- B60N2/64—Back-rests or cushions
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- 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
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
- B60N2/4249—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats fixed structures, i.e. where neither the seat nor a part thereof are displaced during a crash
Abstract
The invention discloses a pressure relief and energy absorption structure of an automobile seat backrest, which comprises a seat backrest and is characterized in that: the seat back is provided with an air bag, the air bag is provided with a pressure release valve, the pressure release valve is closed when the air pressure in the air bag is smaller than a preset pressure release threshold value, and the air pressure in the air bag is opened when the pressure release threshold value is higher than the preset pressure release threshold value. According to the invention, the air bag provided with the pressure release valve is arranged on the backrest, when the automobile runs normally, the closed pressure release valve can ensure that the air bag provides stable backrest support for passengers, and when the automobile collides with the rear end, high-pressure air in the air bag can be acted by the impact force of the passengers and is discharged through the opened pressure release valve, so that the impact energy of the passengers on the backrest of the seat can be absorbed, and the buffer protection of the passengers when the automobile collides with the rear end can be realized.
Description
Technical Field
The invention relates to a backrest structure of an automobile seat, in particular to a pressure-releasing and energy-absorbing structure of an automobile seat backrest.
Background
When the automobile is in rear-end collision, most of impact energy is absorbed by the deformation of a seat framework in the traditional seat structure;
however, since the seat frame is very rigid, the impact between the occupant and the seat back is very large, and the risk of injury to the occupant is very high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a pressure release energy-absorbing structure of car seat back to solve current car seat when the car takes place to collide with one's back, the impact between seat back and the passenger is very big, causes the problem that the passenger receives the damage easily.
The technical scheme adopted by the invention is as follows:
the utility model provides a pressure release energy-absorbing structure of car seat back, includes seat back, its characterized in that: the seat back is provided with an air bag, the air bag is provided with a pressure release valve, the pressure release valve is closed when the air pressure in the air bag is smaller than a preset pressure release threshold value, and the air pressure in the air bag is opened when the pressure release threshold value is higher than the preset pressure release threshold value.
Therefore, when the automobile normally runs, the air pressure in the air bag is smaller than the pressure relief threshold value, and the pressure relief valve is kept closed, so that the air bag with stable air pressure can provide stable backrest support for passengers; when the automobile has rear-end collision, the passenger impacts the seat backrest backwards to compress the air bag, the air pressure in the air bag rises along with the air bag, and the pressure relief valve is opened when the air pressure in the air bag rises above the pressure relief threshold, so that the high-pressure air in the air bag is discharged through the pressure relief valve under the action of the impact force of the passenger, the impact energy of the passenger on the seat backrest is absorbed, and the buffer protection of the passenger when the automobile has rear-end collision is realized; and when the automobile collides at a medium and low speed, the automobile seat framework can be prevented from deforming through pressure relief, energy absorption and buffering of the air bag, and the automobile seat framework is favorable for reducing the maintenance cost of the automobile.
Preferably: the air pressure of the air bag when the air bag is not compressed is recorded as initial air pressure, the value of the initial air pressure is between 0.15MPa and 0.3MPa, the value of the pressure relief threshold value is between 0.25MPa and 0.35MPa, the value of the pressure relief threshold value is larger than that of the initial air pressure, and the value difference value is between 0.05MPa and 0.1 MPa.
Through tests, according to the value mode of the initial air pressure and the pressure relief threshold value, the back support of the passenger can be met, and the effect of buffering and protecting the passenger in most automobile rear-end collision accidents is ensured.
Preferably: the high-pressure gas in the air bag can be air, but preferably, a gas with higher density than air, such as carbon dioxide, is used to increase the impact energy of the occupant on the seat back, which can be absorbed when the air bag discharges the high-pressure gas.
Preferably: the inner wall of the air bag is provided with a plurality of pull belts at uniform intervals, so that the air bag can keep the shape of the air bag per se under the condition that high-pressure gas is filled in the air bag, and the risk of breakage is reduced.
The pressure relief valve may be disposed at any position on the airbag as long as a sufficient space is secured for venting the pressure relief valve, but it is generally not recommended that the pressure relief valve face the backrest foam of the seat backrest so as not to affect the comfort of the backrest of the occupant. The shape of the air pocket is not limited, and a square or an oval shape is preferable.
As a preferred embodiment of the present invention: the pressure relief valve consists of a pressure relief exhaust pipe, a sealing washer, a pressure relief valve pipe, a spring and a cover body; the air inlet of the pressure relief exhaust pipe is communicated with the air bag; the pressure relief valve pipe is connected by the pressure release pipe and seals the board and constitute, seal the board and seal the gas outlet of pressure release pipe, the pipe wall of pressure release pipe is equipped with disappointing hole, seal ring suit is in outside the pressure release pipe, the pressure release pipe is followed the gas outlet of pressure release blast pipe insert and with the lumen sliding fit of pressure release blast pipe, the lid with pressure release blast pipe fixed connection, the spring supports the top the lid with seal between the board for: and under the action of the spring force of the spring, the sealing plate presses the sealing washer on the air outlet of the pressure relief exhaust pipe.
Therefore, the air bag, the pipe cavity of the pressure relief exhaust pipe and the pipe cavity of the pressure relief pipe are communicated in sequence. Referring to fig. 7, atmospheric pressure in the air pocket is less than when the predetermined pressure release threshold value, and high-pressure gas is right in the air pocket the pressure of sealing plate is less than the spring force of spring, makes seal ring keeps being compressed tightly by the sealing plate on the gas outlet of pressure release blast pipe, the pressure release pipe is pressed into in the lumen of pressure release blast pipe and both hug closely mutually, the order the hole of loosing heart of pressure release pipe is by pressure release blast pipe shutoff, at this moment, the relief valve is in the off-state, high-pressure gas in the air pocket can not take place to leak. Referring to fig. 8, as the air pressure in the air bag rises, the pressure of the high-pressure gas in the air bag on the sealing plate overcomes the spring force of the spring, so that the pressure relief valve pipe is gradually ejected by the air pressure until the air pressure in the air bag is above the pressure relief threshold, the air release hole of the pressure relief pipe is ejected to the outside of the pipe cavity of the pressure relief exhaust pipe, at this time, the pressure relief valve is in an open state, and the high-pressure gas in the air bag sequentially passes through the pipe cavity of the pressure relief exhaust pipe, the pipe cavity of the pressure relief pipe and the air release hole of the pressure relief pipe to be discharged to the outside, so that the air exhaust of the.
And selecting the rigidity of the spring according to the value requirements of the initial air pressure and the pressure relief threshold of the air bag.
The pipe wall of the pressure relief pipe can be provided with a plurality of air release holes which are arranged around the axis of the pressure relief pipe at intervals so as to accelerate the exhaust speed.
Preferably: the outer wall of the pressure relief exhaust pipe at the air inlet is provided with a connecting sheet, and the connecting sheet is positioned in the air bag and is fixedly bonded with the inner wall of the air bag.
Preferably: the cover body is formed by connecting a cover plate and a plurality of clamping pieces which are arranged at intervals, a boss is arranged on the outer wall of the pressure relief exhaust pipe, each clamping piece of the cover body is respectively connected with the boss of the pressure relief exhaust pipe in a clamping mode, the sealing washer, the pressure relief valve pipe and the spring are located in the inner cavity of the cover body, and the spring is abutted against the cover plate and the sealing plate. Therefore, after the high-pressure gas is discharged from the air leakage hole of the pressure relief pipe, the high-pressure gas is discharged to the outside through the space between the two adjacent buckling pieces.
As a preferred embodiment of the present invention: seat back includes back skeleton and sets up the back foaming body in back skeleton the place ahead, the back skeleton has hung the wire net in the back position, the air pocket sets up between back foaming body and the wire net, just be provided with the plastics baffle between air pocket and the wire net to avoid the local card of air pocket to advance in the wire net, reduce the risk that the air pocket damaged.
Preferably: the inflation inlet of the air bag is connected with an air pump through an inflation hose. Therefore, after the air bag is deflated in a rear-end collision accident or is used for a long time and the air pressure does not reach the standard, the air bag can be inflated again through the air pump, so that the air bag can be used repeatedly, and the maintenance cost of the automobile is reduced; furthermore, the shape of the air bag is designed, so that the air bag can be used as a pneumatic waist support.
Preferably: an inflation switch and an inflation pipeline are installed on the seat backrest, and the inflation switch is connected with an inflation port of the air bag through the inflation pipeline. Therefore, the air bag can be inflated by externally connecting the inflation switch with an air pump.
Compared with the prior art, the invention has the following beneficial effects:
first, according to the present invention, the air bag having the relief valve mounted on the seat back is provided, so that when the vehicle is in normal driving, the closed relief valve can ensure that the air bag provides stable back support for the occupant, and when the vehicle is in rear-end collision, the high-pressure air in the air bag can be discharged through the opened relief valve under the impact of the occupant, so as to absorb the impact energy of the occupant on the seat back, thereby achieving the buffer protection of the occupant in the rear-end collision.
Secondly, the adoption of the value mode of the initial air pressure and the pressure relief threshold value can ensure that the automobile rear-end collision protection cushion plays a role in buffering and protecting passengers in most automobile rear-end collision accidents while meeting the requirement of supporting the backrest of the passengers.
Thirdly, the pressure relief valve is composed of a pressure relief exhaust pipe, a sealing washer, a pressure relief valve pipe, a spring and a cover body, and has the advantages of simple structure, high reliability and low cost.
Drawings
The invention is described in further detail below with reference to the following figures and specific examples:
FIG. 1 is a schematic structural view of a pressure relief and energy absorption structure of the present invention;
FIG. 2 is a schematic structural view of the pressure-relieving and energy-absorbing structure of the present invention without an air bag;
FIG. 3 is a schematic view of the pressure-relieving and energy-absorbing structure of the present invention during normal driving of an automobile;
FIG. 4 is a schematic view of the pressure-relieving and energy-absorbing structure of the present invention in a rear-end collision of an automobile;
FIG. 5 is an exploded view of the air bag and pressure relief valve of the present invention;
FIG. 6 is an exploded view of a cross-sectional structure of the pressure relief valve of the present invention;
FIG. 7 is a cross-sectional view of the pressure relief valve of the present invention when closed;
fig. 8 is a cross-sectional view of the pressure relief valve of the present invention when open.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and the accompanying drawings to help those skilled in the art to better understand the inventive concept of the present invention, but the scope of the claims of the present invention is not limited to the following embodiments, and all other embodiments obtained without inventive efforts by those skilled in the art will fall within the scope of the present invention without departing from the inventive concept of the present invention.
Example one
As shown in fig. 1 to 4, the invention discloses a pressure relief and energy absorption structure of an automobile seat back, which includes a seat back 1, wherein the seat back 1 is provided with an air bag 2, the air bag 2 is provided with a pressure relief valve 3, the pressure relief valve 3 is closed when the air pressure in the air bag 2 is smaller than a preset pressure relief threshold value, and is opened when the air pressure in the air bag 2 is higher than the pressure relief threshold value.
Therefore, when the automobile normally runs, the air pressure in the air bag 2 is smaller than the pressure relief threshold, and the pressure relief valve 3 is kept closed, so that the air bag 2 with stable air pressure can provide stable backrest support for passengers; when the automobile has rear-end collision, the passenger impacts the seat back 1 backwards to compress the air bag 2, the air pressure in the air bag 2 rises along with the air pressure, and the pressure relief valve 3 is opened until the air pressure in the air bag 2 rises above a pressure relief threshold, so that the high-pressure air in the air bag 2 is exhausted through the pressure relief valve 3 under the action of the impact force of the passenger, the impact energy of the passenger on the seat back 1 is absorbed, and the buffer protection of the passenger during the rear-end collision of the automobile is realized; and when the automobile collides at a medium and low speed, the automobile seat framework can be prevented from deforming through the pressure relief, energy absorption and buffering of the air bag 2, and the automobile seat framework is favorable for reducing the maintenance cost of the automobile.
The pressure release valve 3 can be an air valve which can realize pressure control switch in the prior art.
The above is a basic implementation manner of the first embodiment, and further optimization, improvement and limitation may be performed on the basis of the basic implementation manner:
preferably: the air pressure of the air bag 2 when not compressed is recorded as initial air pressure, the value of the initial air pressure is between 0.15Mpa and 0.3Mpa, the value of the pressure relief threshold is between 0.25Mpa and 0.35Mpa, the value of the pressure relief threshold is larger than that of the initial air pressure, and the value difference is between 0.05Mpa and 0.1 Mpa.
Through tests, according to the value mode of the initial air pressure and the pressure relief threshold value, the back support of the passenger can be met, and the effect of buffering and protecting the passenger in most automobile rear-end collision accidents is ensured.
Preferably: the high-pressure gas in the airbag 2 may be air, but it is preferable to use a gas having a higher density than air, such as carbon dioxide, in order to increase the impact energy of the occupant on the seat back 1 when the high-pressure gas is discharged from the airbag 2.
Preferably: the inner wall of the air bag 2 is provided with a plurality of drawstrings at regular intervals so that the air bag 2 can keep the shape of itself under the condition that the air bag is filled with high-pressure gas and the risk of breakage is reduced, and the drawstrings can be arranged in the air bag 2 by sewing, bonding and the like.
The relief valve 3 may be provided at any position on the airbag 2 as long as a sufficient space is secured for the relief valve 3 to vent, but it is generally not recommended that the relief valve 3 face the back foam 1-2 of the seat back 1 so as not to affect the back comfort of the occupant. The shape of the gas bag 2 is not limited, and a square or an oval shape is preferable.
Example two
As shown in fig. 5 to 8, in addition to the first embodiment, the second embodiment further adopts the following preferred embodiments:
the pressure relief valve 3 consists of a pressure relief exhaust pipe 3-1, a sealing washer 3-2, a pressure relief valve pipe 3-3, a spring 3-4 and a cover body 3-5; an air inlet 3-1a of the pressure relief exhaust pipe 3-1 is communicated with the air bag 2; the pressure relief valve pipe 3-3 is formed by connecting a pressure relief pipe 3-3-1 and a sealing plate 3-3-2, the sealing plate 3-3-2 seals an air outlet of the pressure relief pipe 3-3-1, a gas release hole 3-3-1b is formed in the pipe wall of the pressure relief pipe 3-3-1, a sealing washer 3-2 is sleeved outside the pressure relief pipe 3-3-1, the pressure relief pipe 3-3-1 is inserted from the air outlet 3-1b of the pressure relief exhaust pipe 3-1 and is in sliding fit with a pipe cavity of the pressure relief exhaust pipe 3-1, the cover body 3-5 is fixedly connected with the pressure relief exhaust pipe 3-1, and the spring 3-4 is abutted between the cover body 3-5 and the sealing plate 3-3-2, such that: under the action of the spring force of the spring 3-4, the sealing plate 3-3-2 presses the sealing washer 3-2 on the air outlet 3-1b of the pressure relief exhaust pipe 3-1.
Therefore, the air bag 2, the pipe cavity of the pressure relief exhaust pipe 3-1 and the pipe cavity of the pressure relief pipe 3-3-1 are communicated in sequence. Referring to fig. 7, when the air pressure in the air bag 2 is smaller than a preset pressure relief threshold, the pressure of the high-pressure gas in the air bag 2 on the sealing plate 3-3-2 is smaller than the spring force of the spring 3-4, so that the sealing washer 3-2 is kept pressed by the sealing plate 3-3-2 on the air outlet 3-1b of the pressure relief exhaust pipe 3-1, the pressure relief pipe 3-3-1 is pressed into the pipe cavity of the pressure relief exhaust pipe 3-1 and is tightly attached to the pipe cavity, the air release hole 3-3-1b of the pressure relief pipe 3-3-1 is blocked by the pressure relief exhaust pipe 3-1, and at this time, the pressure relief valve 3 is in a closed state, and the high-pressure gas in the air bag 2 cannot leak. Referring to fig. 8, as the air pressure in the air bag 2 increases, the pressure of the high-pressure air in the air bag 2 on the sealing plate 3-3-2 overcomes the spring force of the spring 3-4, so that the pressure relief valve pipe 3-3 is gradually ejected by air pressure until the air pressure in the air bag 2 is above the pressure relief threshold value, the air release hole 3-3-1b of the pressure release pipe 3-3-1 is ejected out of the pipe cavity of the pressure release exhaust pipe 3-1, at this time, the pressure release valve 3 is in an open state, and high-pressure gas in the air bag 2 is discharged to the outside through the tube cavity of the pressure release exhaust pipe 3-1, the tube cavity of the pressure release pipe 3-3-1 and the air release hole 3-3-1b of the pressure release pipe 3-3-1 in sequence, so that the air bag 2 is exhausted.
And selecting the rigidity of the spring according to the value requirements of the initial air pressure and the pressure relief threshold of the air bag 2.
The pipe wall of the pressure relief pipe 3-3-1 can be provided with a plurality of air release holes 3-3-1a which are arranged around the axis of the pressure relief pipe 3-3-1 at intervals so as to accelerate the exhaust speed.
The above is the basic implementation manner of the second embodiment, and further optimization, improvement and limitation can be made on the basis of the basic implementation manner:
preferably: the outer wall of the pressure relief exhaust pipe 3-1 at the air inlet 3-1a is provided with a connecting sheet 3-1-1, and the connecting sheet 3-1-1 is positioned in the air bag 2 and is fixedly bonded with the inner wall of the air bag 2.
Preferably: the cover body 3-5 is formed by connecting a cover plate 3-5-1 and a plurality of clamping pieces 3-5-2 arranged at intervals, a boss 3-1-2 is arranged on the outer wall of the pressure relief exhaust pipe 3-1, each clamping piece 3-5-2 of the cover body 3-5 is respectively connected with the boss 3-1-2 of the pressure relief exhaust pipe 3-1 in a clamping mode, the sealing washer 3-2, the pressure relief valve pipe 3-3 and the spring 3-4 are all located in the inner cavity of the cover body 3-5, and the spring 3-4 abuts against the space between the cover plate 3-5-1 and the sealing plate 3-3-2. Therefore, after being discharged from the air release hole 3-3-1b of the pressure release pipe 3-3-1, the high-pressure gas is discharged to the outside through the space between the two adjacent buckling pieces 3-5-2.
EXAMPLE III
On the basis of the first embodiment or the second embodiment, the third embodiment further adopts the following preferred embodiments:
the seat backrest 1 comprises a backrest framework 1-1 and a backrest foaming body 1-2 arranged in front of the backrest framework 1-1, a steel wire mesh 1-3 is hung on the backrest framework 1-1, the air bag 2 is arranged between the backrest foaming body 1-2 and the steel wire mesh 1-3, a plastic partition plate is arranged between the air bag 2 and the steel wire mesh 1-3, so that the air bag 2 is prevented from being partially clamped into the steel wire mesh 1-3, and the risk of damage to the air bag 2 is reduced.
The above is the basic implementation of the third embodiment, and further optimization, improvement and limitation can be made on the basis of the basic implementation:
preferably: the inflation inlet 2-1 of the air bag 2 is connected with an air pump through an inflation hose. Therefore, after the air bag 2 loses air in a rear-end collision accident or is used for a long time and the air pressure does not reach the standard, the air bag 2 can be inflated again through the air pump, so that the air bag can be used repeatedly, and the maintenance cost of the automobile is reduced; further, by designing the shape of the bag 2, the bag 2 can be used as a pneumatic waist support.
Preferably: the seat back 1 is provided with an inflation switch 4 and an inflation pipeline, and the inflation switch 4 is connected with an inflation port 2-1 of the air bag 2 through the inflation pipeline. Therefore, the inflation switch 4 can be externally connected with an air pump to inflate the air bag 2.
The present invention is not limited to the above embodiments, and various other equivalent modifications, substitutions and alterations can be made without departing from the basic technical concept of the invention as described above, according to the common technical knowledge and conventional means in the field.
Claims (10)
1. The utility model provides a pressure release energy-absorbing structure of car seat back, includes seat back (1), its characterized in that: seat back (1) is provided with air pocket (2), and relief valve (3) are installed to this air pocket (2), relief valve (3) are in when atmospheric pressure in air pocket (2) is less than predetermined pressure release threshold value, atmospheric pressure in air pocket (2) is in open when more than the pressure release threshold value.
2. The pressure relief and energy absorption structure of the backrest of the automobile seat according to claim 1, characterized in that: the air pressure of the air bag (2) when not compressed is recorded as initial air pressure, the value of the initial air pressure is between 0.15MPa and 0.3MPa, the value of the pressure relief threshold value is between 0.25MPa and 0.35MPa, the value of the pressure relief threshold value is larger than that of the initial air pressure, and the value difference is between 0.05MPa and 0.1 MPa.
3. The pressure relief and energy absorption structure of the backrest of the automobile seat according to claim 1, characterized in that: the high-pressure gas in the air bag (2) adopts gas with density higher than that of air.
4. The pressure relief and energy absorption structure of the backrest of the automobile seat according to claim 1, characterized in that: the inner wall of the air bag (2) is uniformly provided with a plurality of pull belts at intervals.
5. The pressure relief and energy absorption structure of the backrest of the automobile seat as claimed in any one of claims 1 to 4, wherein: the pressure relief valve (3) consists of a pressure relief exhaust pipe (3-1), a sealing washer (3-2), a pressure relief valve pipe (3-3), a spring (3-4) and a cover body (3-5); an air inlet (3-1a) of the pressure relief exhaust pipe (3-1) is communicated with the air bag (2); the pressure relief valve pipe (3-3) is formed by connecting a pressure relief pipe (3-3-1) and a sealing plate (3-3-2), the sealing plate (3-3-2) seals the gas outlet of the pressure relief pipe (3-3-1), the pipe wall of the pressure relief pipe (3-3-1) is provided with a gas leakage hole (3-3-1b), the sealing washer (3-2) is sleeved outside the pressure relief pipe (3-3-1), the pressure relief pipe (3-3-1) is inserted from the gas outlet (3-1b) of the pressure relief exhaust pipe (3-1) and is in sliding fit with the pipe cavity of the pressure relief exhaust pipe (3-1), and the cover body (3-5) is fixedly connected with the pressure relief exhaust pipe (3-1), the spring (3-4) is pressed between the cover body (3-5) and the sealing plate (3-3-2) so that: under the action of the spring force of the spring (3-4), the sealing plate (3-3-2) presses the sealing washer (3-2) onto the air outlet (3-1b) of the pressure relief exhaust pipe (3-1).
6. The pressure relief and energy absorption structure of the backrest of the automobile seat as claimed in claim 5, wherein: the outer wall of the pressure relief exhaust pipe (3-1) at the air inlet (3-1a) is provided with a connecting sheet (3-1-1), and the connecting sheet (3-1-1) is positioned in the air bag (2) and is fixedly bonded with the inner wall of the air bag (2).
7. The pressure relief and energy absorption structure of the backrest of the automobile seat as claimed in claim 5, wherein: the cover body (3-5) is formed by connecting a cover plate (3-5-1) and a plurality of clamping pieces (3-5-2) which are arranged at intervals, a boss (3-1-2) is arranged on the outer wall of the pressure relief exhaust pipe (3-1), each clamping piece (3-5-2) of the cover body (3-5) is respectively connected with the boss (3-1-2) of the pressure relief exhaust pipe (3-1) in a clamping mode, the sealing washer (3-2), the pressure relief valve pipe (3-3) and the spring (3-4) are located in an inner cavity of the cover body (3-5), and the spring (3-4) abuts against the space between the cover plate (3-5-1) and the sealing plate (3-3-2).
8. The pressure relief and energy absorption structure of the backrest of the automobile seat as claimed in any one of claims 1 to 4, wherein: seat back (1) includes back skeleton (1-1) and sets up back foaming body (1-2) in back skeleton (1-1) the place ahead, back skeleton (1-1) has hung wire net (1-3) in the back position, air pocket (2) set up between back foaming body (1-2) and wire net (1-3), just be provided with the baffle between air pocket (2) and the wire net (1-3).
9. The pressure relief and energy absorption structure of the backrest of the automobile seat as claimed in claim 8, wherein: the inflation temperature (2-1) of the air bag (2) is connected with an air pump through an inflation hose.
10. The pressure relief and energy absorption structure of the backrest of the automobile seat as claimed in claim 8, wherein: an inflation switch (4) and an inflation pipeline are installed on the seat backrest (1), and the inflation switch (4) is connected with an inflation port (2-1) of the air bag (2) through the inflation pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011282205.5A CN112550098A (en) | 2020-11-16 | 2020-11-16 | Pressure release energy-absorbing structure of car seat back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011282205.5A CN112550098A (en) | 2020-11-16 | 2020-11-16 | Pressure release energy-absorbing structure of car seat back |
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| Publication Number | Publication Date |
|---|---|
| CN112550098A true CN112550098A (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011282205.5A Withdrawn CN112550098A (en) | 2020-11-16 | 2020-11-16 | Pressure release energy-absorbing structure of car seat back |
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| CN (1) | CN112550098A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114750438A (en) * | 2022-03-28 | 2022-07-15 | 深圳安迪上科新材料科技有限公司 | Air bag manufacturing process, air bag and air bag manufacturing equipment |
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|---|---|---|---|---|
| JPH06233714A (en) * | 1993-02-10 | 1994-08-23 | Mazda Motor Corp | Seat structure for vehicle |
| DE10028717A1 (en) * | 2000-06-09 | 2002-02-14 | Daimler Chrysler Ag | Backrest for vehicle seat; has at least one partly reversible fluid-filled deformable chamber and devices to reduce volume of chambers in event of accident |
| CN101612899A (en) * | 2008-06-23 | 2009-12-30 | 李尔公司 | The vehicle seat that comprises energy absorbing device |
| CN206845942U (en) * | 2017-05-10 | 2018-01-05 | 芜湖美的厨卫电器制造有限公司 | Water intaking valve and water heater |
| CN207200016U (en) * | 2017-08-04 | 2018-04-06 | 重庆华鹏电气成套设备有限公司 | A kind of protected against explosion power distribution cabinet |
| CN208646668U (en) * | 2018-06-14 | 2019-03-26 | 宁波拓普集团股份有限公司 | A kind of integrated form relief valve of waist support of car seat system |
| CN210760354U (en) * | 2019-10-22 | 2020-06-16 | 上海沃尔沃汽车研发有限公司 | Seat back, seat and headrest with flexible and rigid energy absorption device, and vehicle seat |
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| CN114750438A (en) * | 2022-03-28 | 2022-07-15 | 深圳安迪上科新材料科技有限公司 | Air bag manufacturing process, air bag and air bag manufacturing equipment |
| CN114750438B (en) * | 2022-03-28 | 2024-03-19 | 深圳安迪上科新材料科技有限公司 | Air bag manufacturing process and air bag |
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