CN211364228U - Annular air bag door - Google Patents
Annular air bag door Download PDFInfo
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- CN211364228U CN211364228U CN202020023038.1U CN202020023038U CN211364228U CN 211364228 U CN211364228 U CN 211364228U CN 202020023038 U CN202020023038 U CN 202020023038U CN 211364228 U CN211364228 U CN 211364228U
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Abstract
The utility model discloses an annular air bag door, which comprises a plurality of first annular air bags and a dual-purpose air pump, wherein the first annular air bags are sequentially sleeved from outside to inside, and the dual-purpose air pump is used for inflating or pumping out the air in the first annular air bags; the adjacent first annular air bags are mutually bonded, and the outer side wall of each first annular air bag is circumferentially bonded with an annular contraction rope. The purpose of closing a circular doorway or an annular opening is achieved by utilizing the inflation and the expansion of the plurality of annular air bags, and the annular air bags are closed together by utilizing the contraction ropes, so that the purpose of reducing the occupied range is achieved, and the control is convenient.
Description
Technical Field
The utility model belongs to the door field, concretely relates to annular gasbag door.
Background
The existing automatic opening and closing doors, particularly the annular door and the circular door, can not be reduced after the door is opened, the occupied range is larger, and some doors are provided with cavities for accommodating the doors, such as glass doors of automobiles and roof glass doors; in addition, such a door is provided with a plurality of guide rails, gears, a motor or an electric push rod for opening and closing the door near the mouth (such as a door frame), which results in a large number of parts near the mouth and a complicated structure.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: provides a ring-shaped air bag door which is convenient to control and has a simple structure near a doorway.
In order to realize the purpose of the utility model, the following technical scheme is adopted to realize: an annular air bag door comprises a plurality of first annular air bags and a dual-purpose air pump, wherein the first annular air bags are sequentially sleeved from outside to inside, and the dual-purpose air pump is used for inflating air into the first annular air bags or pumping air out of the first annular air bags; the adjacent first annular air bags are mutually bonded, and the outer side wall of each first annular air bag is circumferentially bonded with an annular contraction rope.
The beneficial effect of above-mentioned setting: the annular air bag door is used for a doorway with an annular opening, and if the annular air bag door is installed on the annular doorway, the annular doorway comprises an annular door frame, the annular door frame consists of an outer frame and an inner frame positioned in the outer frame, a first annular air bag at the innermost ring of the annular air bag door is bonded with the outer side wall of the inner frame, the air bag door expands after an air pump inflates the annular air bag door, and the first annular air bag at the outermost ring is abutted against the inner side wall of the outer frame, so that the annular doorway is closed; after taking out the gas in the first annular gasbag through the air pump, first annular gasbag is flat, it is loose this moment, under the effect of annular shrink rope, draw close each first annular gasbag to the inner frame lateral wall, so make the shared space of annular gasbag door can reduce greatly, be difficult for hindering the operation on annular gate, do not need special mechanism to hold the annular gasbag door after bleeding, annular gate only installs an annular gasbag door, this annular gasbag door is obviously few than the part of tradition near door, the structure is simpler, and only need aerify, bleed and just can control the annular gate of switching of annular gasbag door, and is very convenient to use.
Further optimally: the gas distribution device also comprises a first mounting pipe connected with the lower wall of the first annular airbag at the innermost ring, a plurality of first branch pipes penetrating through the first mounting pipe, and a gas distribution box for distributing gas for each first annular airbag; the upper end of the first branch pipe is connected with the first annular air bag, and the lower end of the first branch pipe is connected with the air distribution box; the number of the first branch pipes is the same as that of the first annular air bags, one first branch pipe corresponds to one first annular air bag, and the upper end part of each first branch pipe enters one first annular air bag corresponding to the first branch pipe.
The beneficial effect of above-mentioned setting: the air distribution box can control n (n is more than or equal to 1 and less than or equal to the number of the first annular air bags) first annular air bags on the annular air bag door from the innermost circle to the outermost circle to be inflated by the air pump, so that the closing or opening degree of the annular air bag door can be controlled, and the specific functions are different according to the different functions of the annular air bag door used in different annular doorways, such as the ventilation quantity can be controlled, or the condition of the exposed annular doorways is controlled.
Further optimally: the gas distribution box comprises an outer tube, a piston body which is arranged in the outer tube and is matched with the inner wall of the outer tube to play a role of a piston, and an electric push rod which drives the piston body to move axially in the outer tube;
one end of the outer pipe is connected with an annular plate, the outer end of the annular plate is connected with an air inlet head, and the side wall of the outer pipe is connected with a plurality of air outlet heads; the air inlet head is connected with the air pump through an air pipe, and an air pressure sensor and an electromagnetic valve for switching on and off the air pipe are connected to the air pipe connecting pipeline; the gas outlet heads are arranged at equal intervals along the direction from one end of the outer pipe to the other end of the outer pipe.
The number of the gas outlet heads is the same as that of the first annular air bags, the lower ends of the first branch pipes connected with the first annular air bags from the innermost ring to the outermost ring are sequentially connected with the gas outlet heads from one end to the other end of the outer pipe, and one first branch pipe is connected with one gas outlet head; the first installation pipe and the first branch pipe are sealed;
the electric push rod comprises an output shaft, the electric push rod is fixedly connected with the other end of the outer tube, and the output shaft is connected with one end of the piston body.
The beneficial effect of above-mentioned setting: in order to control n (n is more than or equal to 1 and less than or equal to the number of the first annular air bags) first annular air bags from the innermost circle to the outermost circle on the annular air bag door to inflate, if the first branch pipes connected with the first annular air bags are all connected with one electromagnetic valve, the needed electromagnetic valves are likely to be too many, the cost is high, and the control is not easy; the electric push rod pushes the piston body in the outer pipe to move axially, so that n (n is more than or equal to 1 and less than or equal to the number of the first annular air bags) first annular air bags from the innermost ring to the outermost ring on the annular air bag door are communicated with the air inlet head, the n (n is more than or equal to 1 and less than or equal to the number of the first annular air bags) first annular air bags from the innermost ring to the outermost ring on the annular air bag door can be controlled to inflate, the cost is relatively low, only one electric push rod needs to be controlled, and the control is easy and is not prone to error.
Further optimally: the annular contraction rope is an annular rubber rope.
The beneficial effect of above-mentioned setting: the rubber rope is common, and simple structure, with low costs.
An annular air bag door comprises a plurality of second annular air bags and a dual-purpose air pump, wherein the second annular air bags are sequentially sleeved from outside to inside, and the dual-purpose air pump is used for inflating air into the second annular air bags or pumping air out of the second annular air bags; two inner walls of each annular air bag in the direction from outside to inside are connected through a plurality of elastic ropes, and the elastic ropes are arranged at equal intervals along the circumferential direction of the second annular air bag.
The beneficial effect of above-mentioned setting: the annular air bag door is suitable for an annular door frame or an annular opening, the outer side wall of a second annular air bag at the outermost ring of the annular air bag door is bonded with the inner side wall of the annular door frame, each second annular air bag is inflated through an air pump, each second annular air bag is expanded, the second annular air bag at the innermost ring is expanded inwards, and the air in the second annular air bag is blocked, so that the annular door frame is separated from the inside and the outside, and the door effect is realized; after the air pump is taken out the air in each second annular gasbag, the second annular gasbag is in futilely flat, loose state, under the effect of stretch cord, draw close each second annular gasbag annular door frame inner wall direction, so make the shared space of annular gasbag door can reduce greatly, do not need special mechanism to hold the annular gasbag door after taking out air, only install an annular gasbag door in the gate, this annular gasbag door is obviously few than the part near the gate of tradition, the structure is simpler, and only need aerify, the switching annular gate that just can control annular gasbag door of taking out air, it is very convenient to use.
Further optimally: the air distribution box is connected with the lower wall of the second annular air bag at the outermost ring, a plurality of second branch pipes penetrating through the second mounting pipe and an air distribution box for distributing air for each second annular air bag; the upper end of the second branch pipe is connected with the second annular air bag, and the lower end of the second branch pipe is connected with the air distribution box; the number of the second branch pipes is the same as that of the second annular air bags, one second branch pipe corresponds to one second annular air bag, and the upper end part of each second branch pipe enters the corresponding second annular air bag.
The beneficial effect of above-mentioned setting: the air distribution box can control n (n is more than or equal to 1 and less than or equal to the number of the second annular air bags) second annular air bags inflated by the air pump from the outermost circle to the innermost circle on the annular air bag door, so that the degree of closing or opening the annular air bag door can be controlled, and the specific effect is that the effect of installing the annular air bag door on different annular doorways is different according to the annular air bag door, such as the ventilation quantity can be controlled, or the condition in the annular doorways is exposed.
Further optimally: the gas distribution box comprises an outer tube, a piston body which is arranged in the outer tube and is matched with the inner wall of the outer tube to play a role of a piston, and an electric push rod which drives the piston body to move axially in the outer tube;
one end of the outer pipe is connected with an annular plate, the outer end of the annular plate is connected with an air inlet head, and the side wall of the outer pipe is connected with a plurality of air outlet heads; the air inlet head is connected with the air pump through an air pipe, and an air pressure sensor and an electromagnetic valve for switching on and off the air pipe are connected to the air pipe connecting pipeline; the gas outlet heads are arranged at equal intervals along the direction from one end of the outer pipe to the other end of the outer pipe;
the number of the gas outlet heads is the same as that of the second annular airbags, the lower ends of the second branch pipes connected with the second annular airbags from the outermost ring to the innermost ring are sequentially connected with the gas outlet heads from one end to the other end of the outer pipe, and one second branch pipe is connected with one gas outlet head; the second mounting pipe and the second branch pipe are sealed;
the electric push rod comprises an output shaft, the electric push rod is fixedly connected with the other end of the outer tube, and the output shaft is connected with one end of the piston body.
The beneficial effect of above-mentioned setting: in order to control n (n is more than or equal to 1 and less than or equal to the number of second annular air bags) second annular air bags from the outermost circle to the innermost circle on the annular air bag door to inflate, if the second branch pipes connected with the second annular air bags are all connected with one electromagnetic valve, the needed electromagnetic valves are likely to be too many, the cost is high, and the control is not easy; the invention can lead n (n is more than or equal to 1 and less than or equal to the number of the second annular air bags) second annular air bags from the outermost ring to the innermost ring on the annular air bag door to be communicated with the air inlet head by pushing the piston body in the outer tube to move axially through the electric push rod, thus being capable of controlling the n (n is more than or equal to 1 and less than or equal to the number of the second annular air bags) second annular air bags from the outermost ring to the innermost ring on the annular air bag door to be inflated, having relatively low cost, only needing to control one electric push rod, being easy to control and not easy to make mistakes.
Further optimally: the elastic rope is a strip-shaped rubber rope.
The beneficial effect of above-mentioned setting: the rubber rope is common, and simple structure, with low costs.
Compared with the prior art, the utility model discloses a main beneficial effect is: the purpose of closing the annular door opening or the annular opening is achieved by utilizing the inflation and expansion of the plurality of annular air bags, and the annular air bags are closed together by utilizing the rubber ropes, so that the purpose of reducing the occupied range is achieved, and the control is convenient.
Drawings
Fig. 1 is a schematic perspective view of the annular airbag door of the present invention.
Figure 2 is a cross-sectional view of the annular air bag door of the present invention.
Fig. 3 is a schematic structural view of the gas distribution box of the present invention.
Fig. 4 is a sectional view of the gas distribution box of the present invention.
Fig. 5 is a schematic diagram of the control box of the present invention.
Fig. 6 is a schematic view showing the annular air bag door of the present invention installed on the annular door frame to be expanded.
Figure 7 is a schematic view of the annular air bag door of the present invention installed on the annular door frame and deflated.
Fig. 8 is a schematic view of the expanded three-dimensional structure of the annular airbag door of the present invention.
Fig. 9 is a cross-sectional view of fig. 8.
FIG. 10 is a schematic view of the deflation of the annular airbag door when not inflated.
Reference numerals: 1. a first annular bladder; 11. an annular retraction cord; 12. a first mounting tube; 13. a first branch pipe; 2. a gas distribution box; 21. an outer tube; 211. an air inlet head; 212. an air outlet head; 22. a piston body; 23. an electric push rod; 231. an output shaft; 3. a control box; 31. a control head; 4. an annular door frame; 41. an outer frame; 42. an inner frame; 5. a second annular air bag; 51. an elastic cord; 52. a second mounting tube; 53. a second branch pipe.
Detailed Description
A detailed description of the present invention will be given below with reference to fig. 1 to 10.
Example 1
The embodiment is an annular air bag door, which comprises a plurality of first annular air bags 1 which are sequentially sleeved from outside to inside and a dual-purpose air pump which inflates or pumps air in the first annular air bags 1; the adjacent first annular air bags 1 are adhered to each other, and an annular contraction rope 11 is adhered to the outer side wall of each first annular air bag 1 along the circumferential direction.
The annular airbag door is used for a doorway with an annular mouth, if the door is installed on the annular doorway, the annular doorway comprises an annular door frame 4, the annular door frame 4 consists of an outer frame 41 and an inner frame 42 positioned in the outer frame 41, a first annular airbag 1 at the innermost ring of the annular airbag door is bonded with the outer side wall of the inner frame 42, after an air pump inflates the annular airbag door, the airbag door expands, and the first annular airbag 1 at the outermost ring is abutted against the inner side wall of the outer frame 41, so that the annular doorway is closed; after the gas in the first annular gasbag 1 is taken out through the air pump, first annular gasbag 1 is flat, it is loose this moment, under the effect of annular shrink rope 11, draw close each first annular gasbag 1 to inside casing 42 lateral wall, so make the shared space of annular gasbag door can reduce greatly, be difficult for hindering the operation on annular gate, do not need special mechanism to hold the annular gasbag door after bleeding, annular gate only installs an annular gasbag door, this annular gasbag door is obviously less than the part of tradition near the door, the structure is simpler, and only need aerify, bleed and just can control the annular gate of switching of annular gasbag door, it is very convenient to use.
The gas distribution device also comprises a first mounting pipe 12 connected with the lower wall of the first annular airbag 1 at the innermost ring, a plurality of first branch pipes 13 penetrating through the first mounting pipe 12 and a gas distribution box 2 for distributing gas for each first annular airbag 1; the upper end of the first branch pipe 13 is connected with the first annular air bag 1, and the lower end is connected with the air distribution box 2; the number of the first branch pipes 13 is the same as that of the first annular air bags 1, one first branch pipe 13 corresponds to one first annular air bag 1, and the upper end part of each first branch pipe 13 enters one first annular air bag 1 corresponding to the upper end part.
The air distribution box 2 can control n (n is more than or equal to 1 and less than or equal to the number of the first annular air bags 1) first annular air bags 1 on the annular air bag door from the innermost circle to the outermost circle to be inflated by the air pump, so that the degree of closing or opening of the annular air bag door can be controlled, and specific functions are different according to the functions of the annular air bag door used in different annular doorways, such as ventilation quantity control, or the condition of exposing the annular doorways.
The gas distribution box 2 comprises an outer tube 21, a piston body 22 which is arranged in the outer tube 21 and is matched with the inner wall of the outer tube 21 to play a role of a piston, and an electric push rod 23 which drives the piston body 22 to move axially in the outer tube 21.
One end of the outer tube 21 is connected with an annular plate, the outer end of the annular plate is connected with an air inlet head 211, and the side wall of the outer tube 21 is connected with a plurality of air outlet heads 212; the air inlet head 211 is connected with an air pump through an air pipe, and an air pressure sensor and an electromagnetic valve for switching on and off the air pipe are connected to the air pipe connecting pipeline; the gas outlet heads 212 are arranged at equal intervals in the direction from one end to the other end of the outer tube 21.
The number of the gas outlets 212 is the same as that of the first annular airbags 1, the lower ends of the first branch pipes 13 connected with the first annular airbags 1 from the innermost circle to the outermost circle are sequentially connected with the gas outlets 212 from one end (the end close to the gas inlet 211) to the other end (the end far away from the gas inlet 211) on the outer pipe 21, one first branch pipe 13 is connected with one gas outlet 212 (namely, the 1 st first annular airbag 1 counted from the innermost circle to the outermost circle is connected with the 1 st gas outlet 212 counted from one end to the other end on the outer pipe 21 through one first branch pipe 13, the 2 nd first annular airbag 1 counted from the innermost circle to the outermost circle is connected with the 2 nd gas outlet 212 counted from one end to the other end on the outer pipe 21 through the same first branch pipe 13, and the other first annular airbags 1 and the gas outlets 212 are connected in the same way); the space between the first mounting tube 12 and the first branch tube 13 is sealed, and the molten pvc can be dropped into the first mounting tube 12 and the gap between the first mounting tube 12 and the first branch tube 13 can be sealed after solidification.
The electric push rod 23 comprises an output shaft 231, the electric push rod 23 is fixedly connected with the other end of the outer tube 21, and the output shaft 231 is connected with one end of the piston body 22.
In order to control n (n is more than or equal to 1 and less than or equal to the number of the first annular air bags 1) first annular air bags 1 from the innermost circle to the outermost circle on the annular air bag door to inflate, if the first branch pipes 13 connected with the first annular air bags 1 are all connected with one electromagnetic valve, the needed electromagnetic valves are likely to be too many, the cost is high, and the control is not easy; the piston body 22 in the outer tube 21 is pushed by the electric push rod 23 to move axially, so that n (n is more than or equal to 1 and less than or equal to the number of the first annular air bags 1) first annular air bags 1 from the innermost ring to the outermost ring on the annular air bag door are communicated with the air inlet head 211, so that n (n is more than or equal to 1 and less than or equal to the number of the first annular air bags 1) first annular air bags 1 from the innermost ring to the outermost ring on the annular air bag door can be controlled to inflate, the cost is relatively low, and only one electric push rod 23 needs to be controlled, so that the control is easy and errors are not prone to occur.
The annular contraction rope 11 is an annular rubber rope which is common, and has the advantages of simple structure and low cost.
Example 2
An annular gasbag door, including multiple second annular gasbags 5 that cup joint sequentially from outside to inside, and inflate or take out the dual-purpose air pump of its internal air to the second annular gasbag 5; the two inner walls of each annular air bag in the outward and inward direction are connected through a plurality of elastic ropes 51, and the elastic ropes 51 are arranged at equal intervals along the circumferential direction of the second annular air bag 5.
The beneficial effect of above-mentioned setting: the annular airbag door is suitable for an annular door frame or an annular opening, the outer side wall of the second annular airbag 5 at the outermost ring of the annular airbag door is bonded with the inner side wall of the annular door frame, each second annular airbag 5 is inflated through an air pump, each second annular airbag 5 expands, the second annular airbag 5 at the innermost ring expands inwards and blocks the air in the second annular airbag 5, and therefore the annular door frame is separated from the inside and the outside, and the door is played; after the air pump is taken out the air in each second annular gasbag 5, second annular gasbag 5 is in the shrivelled, loose state, under the effect of elastic cord 51, draw close 5 annular door frame inner wall directions of each second annular gasbag, so make the shared space of annular gasbag door reduce greatly, do not need special mechanism to hold the annular gasbag door after taking out air, an annular gasbag door is only installed at the gate, this annular gasbag door is obviously few than the part near the gate of tradition, the structure is simpler, and only need aerify, it just can control the annular gate of switching of annular gasbag door to bleed, high convenience is used.
Further optimally: the gas distribution box also comprises a second mounting pipe 52 connected with the lower wall of the second annular airbag 5 at the outermost ring, a plurality of second branch pipes 53 penetrating through the second mounting pipe 52, and a gas distribution box 2 for distributing gas for each second annular airbag 5; the upper end of the second branch pipe 53 is connected with the second annular air bag 5, and the lower end is connected with the air distribution box 2; the number of the second branch pipes 53 is the same as that of the second annular bladders 5, one second branch pipe 53 corresponds to one second annular bladder 5, and the upper end portion of each second branch pipe 53 enters into one second annular bladder 5 corresponding thereto.
The beneficial effect of above-mentioned setting: the air distribution box 2 can control n (n is more than or equal to 1 and less than or equal to the number of the second annular air bags 5) second annular air bags 5 from the outermost ring to the innermost ring on the annular air bag door to be inflated by an air pump, so that the closing or opening degree of the annular air bag door can be controlled, and the specific function is that the annular air bag door is installed on different annular doorways according to different functions, such as the ventilation quantity can be controlled, or the condition of the annular doorways is exposed.
Further optimally: the gas distribution box 2 comprises an outer tube 21, a piston body 22 which is arranged in the outer tube 21 and is matched with the inner wall of the outer tube 21 to play a role of a piston, and an electric push rod 23 which drives the piston body 22 to move axially in the outer tube 21;
one end of the outer tube 21 is connected with an annular plate, the outer end of the annular plate is connected with an air inlet head 211, and the side wall of the outer tube 21 is connected with a plurality of air outlet heads 212; the air inlet head 211 is connected with an air pump through an air pipe, and an air pressure sensor and an electromagnetic valve for switching on and off the air pipe are connected to the air pipe connecting pipeline; the gas outlet heads 212 are arranged at equal intervals in the direction from one end to the other end of the outer tube 21.
The number of the gas outlet heads 212 is the same as that of the second annular airbags 5, the lower ends of the second branch pipes 53 connected with the second annular airbags 5 from the outermost circle to the innermost circle are sequentially connected with the gas outlet heads 212 from one end to the other end on the outer tube 21, and one second branch pipe 53 is connected with one gas outlet head 212 (namely, the 1 st second annular airbag 5 counted from the outermost circle to the innermost circle is connected with the 1 st gas outlet head 212 counted from one end to the other end on the outer tube 21 through one second branch pipe 53, the 2 nd second annular airbag 5 counted from the outermost circle to the innermost circle is connected with the 2 nd gas outlet head 212 counted from one end to the other end on the outer tube 21 through the same second branch pipe 53, and the other second annular airbags 5 and the gas outlet heads 212 are connected in the same way); the space between the second mounting pipe 52 and the second branch pipe 53 is sealed, and the molten pvc can be dropped into the second mounting pipe 52 and solidified to seal the space between the second mounting pipe 52 and the second branch pipe 53.
The electric push rod 23 comprises an output shaft 231, the electric push rod 23 is fixedly connected with the other end of the outer tube 21, and the output shaft 231 is connected with one end of the piston body 22.
In order to control n (n is more than or equal to 1 and less than or equal to the number of the second annular airbags 5) second annular airbags 5 from the outermost circle to the innermost circle on the annular airbag door to inflate, if the second branch pipes 53 connected with the second annular airbags 5 are all connected with one electromagnetic valve, the needed electromagnetic valves are likely to be too many, the cost is high, and the control is not easy; the piston body 22 in the outer tube 21 is pushed by the electric push rod 23 to move axially, so that n (n is more than or equal to 1 and less than or equal to the number of the second annular air bags 5) second annular air bags 5 from the outermost ring to the innermost ring on the annular air bag door can be communicated with the air inlet head 211, the n (n is more than or equal to 1 and less than or equal to the number of the second annular air bags 5) second annular air bags 5 from the outermost ring to the innermost ring on the annular air bag door can be controlled to inflate, the cost is relatively low, and only one electric push rod 23 needs to be controlled, so that the control is easy and errors are not prone to occur.
The elastic rope 51 is a strip-shaped rubber rope which is common, and has a simple structure and low cost.
Both the two embodiments need to design a control box 3 for control, a controller with a C51 single chip microcomputer is installed in the control box 3, a plurality of control heads 31 are installed outside the control box 3, and the control heads 31 can include a switch key, an inflation key, an air suction key and an opening and closing degree knob (i.e. controlling the inflation of a plurality of annular airbags); the air pump is arranged in the control box 3, and the control head 31, the air pump, the electric push rod 23, the air pressure sensor and the electromagnetic valve are respectively and electrically connected with the controller.
The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the skilled in the art can carry out the common changes and replacements within the technical solution of the present invention.
Claims (8)
1. An annular air bag door, its characterized in that: comprises a plurality of first annular air bags which are sequentially sleeved from outside to inside and a dual-purpose air pump which inflates or evacuates air in the first annular air bags; the adjacent first annular air bags are mutually bonded, and the outer side wall of each first annular air bag is circumferentially bonded with an annular contraction rope.
2. The annular airbag door of claim 1, wherein: the gas distribution device also comprises a first mounting pipe connected with the lower wall of the first annular airbag at the innermost ring, a plurality of first branch pipes penetrating through the first mounting pipe, and a gas distribution box for distributing gas for each first annular airbag; the upper end of the first branch pipe is connected with the first annular air bag, and the lower end of the first branch pipe is connected with the air distribution box; the number of the first branch pipes is the same as that of the first annular air bags, one first branch pipe corresponds to one first annular air bag, and the upper end part of each first branch pipe enters one first annular air bag corresponding to the first branch pipe.
3. The annular airbag door of claim 2, wherein: the gas distribution box comprises an outer tube, a piston body which is arranged in the outer tube and is matched with the inner wall of the outer tube to play a role of a piston, and an electric push rod which drives the piston body to move axially in the outer tube;
one end of the outer pipe is connected with an annular plate, the outer end of the annular plate is connected with an air inlet head, and the side wall of the outer pipe is connected with a plurality of air outlet heads; the air inlet head is connected with the air pump through an air pipe, and an air pressure sensor and an electromagnetic valve for switching on and off the air pipe are connected to the air pipe connecting pipeline; the gas outlet heads are arranged at equal intervals along the direction from one end of the outer pipe to the other end of the outer pipe;
the number of the gas outlet heads is the same as that of the first annular air bags, the lower ends of the first branch pipes connected with the first annular air bags from the innermost ring to the outermost ring are sequentially connected with the gas outlet heads from one end to the other end of the outer pipe, and one first branch pipe is connected with one gas outlet head; the first installation pipe and the first branch pipe are sealed;
the electric push rod comprises an output shaft, the electric push rod is fixedly connected with the other end of the outer tube, and the output shaft is connected with one end of the piston body.
4. The annular airbag door of claim 1, wherein: the annular contraction rope is an annular rubber rope.
5. An annular air bag door, its characterized in that: comprises a plurality of second annular air bags which are sequentially sleeved from outside to inside and a dual-purpose air pump which inflates or evacuates air in the second annular air bags; two inner walls of each annular air bag in the direction from outside to inside are connected through a plurality of elastic ropes, and the elastic ropes are arranged at equal intervals along the circumferential direction of the second annular air bag.
6. The annular airbag door of claim 5, wherein: the air distribution box is connected with the lower wall of the second annular air bag at the outermost ring, a plurality of second branch pipes penetrating through the second mounting pipe and an air distribution box for distributing air for each second annular air bag; the upper end of the second branch pipe is connected with the second annular air bag, and the lower end of the second branch pipe is connected with the air distribution box; the number of the second branch pipes is the same as that of the second annular air bags, one second branch pipe corresponds to one second annular air bag, and the upper end part of each second branch pipe enters the corresponding second annular air bag.
7. The annular airbag door of claim 6, wherein: the gas distribution box comprises an outer tube, a piston body which is arranged in the outer tube and is matched with the inner wall of the outer tube to play a role of a piston, and an electric push rod which drives the piston body to move axially in the outer tube;
one end of the outer pipe is connected with an annular plate, the outer end of the annular plate is connected with an air inlet head, and the side wall of the outer pipe is connected with a plurality of air outlet heads; the air inlet head is connected with the air pump through an air pipe, and an air pressure sensor and an electromagnetic valve for switching on and off the air pipe are connected to the air pipe connecting pipeline; the gas outlet heads are arranged at equal intervals along the direction from one end of the outer pipe to the other end of the outer pipe;
the number of the gas outlet heads is the same as that of the second annular airbags, the lower ends of the second branch pipes connected with the second annular airbags from the outermost ring to the innermost ring are sequentially connected with the gas outlet heads from one end to the other end of the outer pipe, and one second branch pipe is connected with one gas outlet head; the second mounting pipe and the second branch pipe are sealed;
the electric push rod comprises an output shaft, the electric push rod is fixedly connected with the other end of the outer tube, and the output shaft is connected with one end of the piston body.
8. The annular airbag door of claim 5, wherein: the elastic rope is a strip-shaped rubber rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020023038.1U CN211364228U (en) | 2020-01-06 | 2020-01-06 | Annular air bag door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020023038.1U CN211364228U (en) | 2020-01-06 | 2020-01-06 | Annular air bag door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211364228U true CN211364228U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020023038.1U Active CN211364228U (en) | 2020-01-06 | 2020-01-06 | Annular air bag door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211364228U (en) |
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2020
- 2020-01-06 CN CN202020023038.1U patent/CN211364228U/en active Active
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