CN221121081U - One-way air inlet valve and buffer airbag device with same - Google Patents

Abstract

The utility model discloses a one-way air inlet valve, which is used for being arranged at an air inlet of a buffer air bag device, and comprises an air outlet piece with a plurality of air holes, an elastic piece, a fixing piece with a through hole and a sealing piece, wherein the elastic piece comprises a sponge and a blocking piece fixed on one end face of the sponge, the sponge is movably accommodated in the fixing piece, the blocking piece is contacted with the fixing piece to seal the through hole, the fixing piece is clamped in the air outlet piece, the through hole and the air hole are switched to be communicated and not communicated under the action of the blocking piece, the sealing piece is movably arranged on the air outlet piece and is contacted with the air outlet piece to block the air holes, and the sealing piece is used for switching the sealing and releasing states of the air holes.

Description

One-way air inlet valve and buffer airbag device with same

Technical Field

The utility model belongs to the field of living appliances, and particularly relates to an inflatable buffer airbag device.

Background

In daily life, shoulder bags, waist bags, shoulder bags, arm bags and other bag products used for home, automobile, medical treatment, sports and the like are often used, the traditional bag products only pay attention to the loading functionality, and more consideration is given to how many bags the bags have, how many things can be loaded or how good the appearance is, and the like when the bag is designed or purchased, but the comfort of people when the bag is used is rarely considered. During use of the backpack, weight is generally concentrated on the shoulders, waist, neck or arms of the person. However, during the use, the person in motion can generate slight vibration, and the braces of the knapsack can generate impact force and friction force on the contact part. This impact and friction force has a rather strong negative effect, especially when the person moves vigorously. When the articles are more or used for a long time, the parts are pressed for a long time to cause unsmooth local blood circulation, the pain is brought, and the contacted parts are tight and airtight, sweat is easy to generate and heat cannot be effectively dissipated, so that people feel great discomfort, skin health is influenced, and hidden health hazards are left, therefore, the air bag cushion with the buffering function is popular. The airbag cushion has a plurality of airbags and an air inlet port that communicate with each other, and outside air is introduced into the airbags through the air inlet port.

However, the above-mentioned airbag cushion has a drawback in that a part of the gas is slowly leaked to the outside through the gas inlet after the gas is introduced into the airbag of the airbag cushion, and thus the entire airbag cushion has a gas leakage phenomenon, resulting in a case where the user uses the cushion body for a while and the gas in the airbag is insufficient, and the inflation is performed again, thereby resulting in inconvenience in use.

Disclosure of utility model

In order to solve the above problems, the present utility model provides a cushion airbag device that prevents air leakage.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

The utility model relates to a one-way air inlet valve which is used for being installed at an air inlet of a buffer air bag device, and comprises an air outlet piece with a plurality of air holes, an elastic piece, a fixing piece with a through hole and a sealing piece, wherein the elastic piece comprises a sponge and a blocking piece fixed on one end face of the sponge, the sponge is movably contained in the fixing piece, the blocking piece is contacted with the fixing piece to seal the through hole, the fixing piece is clamped in the air outlet piece, the through hole and the air hole are switched to be communicated and not communicated under the action of the blocking piece, the sealing piece is movably installed on the air outlet piece and is contacted with the air outlet piece to block the air holes, and the sealing piece is used for switching the sealing and releasing states of the air holes.

Further, a blocking groove is concavely formed in one side of the air outlet piece, the inner wall of the blocking groove is an inclined surface, the vent hole is located below the inclined surface and is communicated with the blocking groove, and the sealing piece is provided with an inclined surface, and the inclined surface is in contact with the inclined surface so as to block the vent hole.

Further, the inclined surface is formed so as to be gradually smaller from the air outlet end surface toward the center of the air outlet.

Further, the air outlet piece comprises a fixing part and an installation part, the fixing part is provided with an installation groove, the fixing piece is clamped in the installation groove, the installation groove is communicated with the vent hole and the blocking groove, and the installation part is located on the bottom surface of the blocking groove.

Further, the installation portion includes a plurality of connecting portions that are radial structure setting and a plurality of the setting portion that is connected with the connecting portion, a plurality of connecting portions follow the mounting groove be close to the one end inner wall of blocking the groove is protruding to extend towards the center and is formed, and a plurality of connecting portions set up with interval, a plurality of connecting portions the setting portion, and the mounting groove inner wall has formed a plurality of the air vent together, the air vent with blocking the groove the mounting groove is linked together.

Further, the installation portion protrudes from the connection portion of the plurality of connection portions toward the installation groove, that is, toward a side away from the inclined surface, and the installation portion side wall is disposed in parallel with the installation groove inner wall with a space therebetween, so that a ventilation path is formed between the installation portion side wall and the installation groove, and the ventilation path is communicated with the ventilation hole and the installation groove.

Further, the setting part is provided with a holding groove, the holding groove is formed by sinking from one side of the setting part, which is close to the mounting groove, towards the blocking groove and is communicated with the mounting groove, the center of the setting part is penetrated and provided with a mounting hole, and the mounting hole is communicated with the holding groove.

Further, the sealing member includes a sealing portion, a moving portion, and an engaging portion, wherein the moving portion is located between the sealing portion and the engaging portion, the sealing portion is accommodated in the blocking groove, one side of the sealing portion facing the engaging portion has the inclined surface, the moving portion is movably accommodated in the accommodating groove, the moving portion moves in the accommodating groove, and the inclined surface is separated from the inclined surface.

The utility model relates to a buffer airbag device, which comprises a body with an air inlet, and a one-way air inlet valve arranged on the body, wherein the one-way air inlet valve comprises an air outlet part with a plurality of air holes, an elastic part, a fixing part with through holes and a sealing part, the elastic part comprises a sponge and a blocking piece fixed on one end face of the sponge, the sponge is movably contained in the fixing part, the blocking piece is contacted with the fixing part to seal the through holes, the fixing part is clamped in the air outlet part, the through holes and the air holes are switched to be communicated and not communicated under the action of the blocking piece, the sealing part is movably arranged on the air outlet part and contacted with the air outlet part to block the air holes, and the sealing part is used for switching the sealing and releasing states of the air holes under the action of the sealing part.

Further, the body includes a plurality of gasbags that are linked together through a plurality of air flue, a plurality of in the gasbag be close to the air inlet one gasbag with one-way admission valve is linked together, a plurality of in the gasbag have first gasbag and elastomer, first gasbag with the air inlet is linked together, the elastomer sets up in the first gasbag for can support first gasbag pops up.

Compared with the prior art, the buffer air bag assembly provided by the utility model can prevent air leakage through the simple one-way air inlet valve, so that the air leakage of the buffer air bag device is effectively prevented, frequent air inflation is not needed, and the buffer air bag assembly is convenient to use.

Drawings

Fig. 1 is a schematic view of a cushion airbag device according to the present utility model.

Fig. 2 is a perspective view of the one-way intake valve according to the present utility model.

Fig. 3 is a perspective view of another view of the one-way intake valve according to the present utility model.

Fig. 4 is an exploded view of the one-way intake valve according to the present utility model.

Fig. 5 is an exploded view of another view of the one-way intake valve according to the present utility model.

Fig. 6 is a perspective view of an intake member of the one-way intake valve according to the present utility model.

Fig. 7 is a cross-sectional view of the intake member of the one-way intake valve shown in fig. 6, taken along line VII-VII.

Fig. 8 is a cross-sectional view of the one-way intake valve shown in fig. 3 taken along line VIII-VIII.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 3, a cushion airbag device 100 according to the present utility model includes a body 101 and a one-way intake valve 10 provided in the body 101.

The body 101 includes an intake port 1011 and a plurality of air bags 102 communicating through a plurality of air passages 103, one air bag 102 of the plurality of air bags 102 near the intake port 1011 communicating with the one-way intake valve 10.

The plurality of airbags 102 includes a first airbag 1021, a second airbag 1023, a third airbag 1025, and an elastic body (not shown). The air inlet 1011 communicates with the first air bag 1021, and a one-way air intake valve 10 is provided in the air inlet 1011. The first airbag 1021 has an air intake function, and has an air intake port 1011 at one side of the first airbag 1021, and the other side of the first airbag 1021 communicates with the second airbag 1023 through the first air passage 1031, so that air enters the first airbag 1021 through the air intake port 1011 and enters the second airbag 1023 from the first airbag 1021 through the first air passage 1031, thereby inflating the plurality of airbags 102 of the cushion airbag device 100, and at this time, the one-way intake valve 10 can be inflated only to prevent air leakage, thereby preventing the phenomenon of air leakage of the cushion airbag device 100. The second bladder 1023 communicates with the plurality of bladders 102 through the plurality of air passages 103. The first bladder 1021 and the second bladder 1023 are in a tandem configuration such that the flow of gas is in one direction so as to achieve a cushioning effect. The third air bag 1025 communicates with an air bag 102 of the body 101 through an air passage 103, and the third air bag 1025 has an air outlet 1027, the air outlet 1027 being for discharging air in the cushion air bag device 100. In the present embodiment, the third air bag 1025 is an end air bag, and is disposed adjacent to and in communication with the first air bag 1021, so that the plurality of air bags of the entire cushion air bag apparatus 100 are compactly disposed, thereby achieving a cushion effect. It will be appreciated that the position of third bladder 1025 may be set according to actual needs.

The elastic body is disposed in the first airbag 1021 and is capable of supporting the first airbag 1021 to be sprung up so that the first airbag 1021 is filled with gas for enabling air intake and air exhaust of the first airbag 1021. It is understood that the elastic body is any one of sponge, plastic body, spring, rubber and silica gel, so long as the elastic body has elastic components. Normally, the elastic body is provided only in the first bladder 1021, but the second bladder 1023 may be provided according to actual needs.

The first balloon 1021 is only pressed or squeezed without any tool when in use. When the first bladder 1021 is compressed or pressed, the sponge 20 in the first bladder 1021 is compressed, and after the compression or pressing is released, the sponge 20 elastically resets the sponge supporting first bladder 1021, and at this time, the gas is sucked into the first bladder 1021 through the gas inlet 1 and enters the second bladder 1023 and the plurality of bladders 102 through the first gas channel 1031 by the pressure difference, thereby filling the whole cushion bladder device 100 with the gas. It will be appreciated that the elastomer may be omitted and the inflator provided directly to inflate the cushion airbag assembly 100.

With further reference to fig. 4 to 8, the one-way intake valve 10 is for mounting on an intake port 1011 of a cushion airbag device 100 having a plurality of airbags 102 to one-way intake and prevent air leakage.

The one-way intake valve 10 includes an air outlet member 11, an elastic member 13, a fixing member 15, and a sealing member 17. The elastic member 13 is accommodated in the fixing member 15, and the fixing member 15 is engaged with the air outlet member 11, so that the elastic member 13 is movably accommodated between the air outlet member 11 and the fixing member 15. The sealing member 17 is movably mounted on the air outlet member 11, and plays a role of double sealing.

The air outlet member 11 is fixedly installed in the air inlet 1011 of the cushion air bag apparatus 100, and has one end communicating with the outside and the other end communicating with the air bag 102 of the cushion air bag apparatus 100. The air outlet 11 includes a fixing portion 113 and a mounting portion 115. The fixing portion 113 has a tubular shape with one side open, and has an inner wall formed with a mounting groove 1131 for accommodating the fixing member 15. A blocking groove 1132 concavely formed from the other side of the air outlet 11. An inclined surface 1151 is formed to be gradually smaller from the other side of the air outlet 11 away from the mounting groove 1131 toward the center of the air outlet 11, and the inclined surface 1151 is a side wall of the blocking groove 1132. The mounting portion 115 is located at the bottom surface of the blocking groove 1132, and includes three connection portions 1153 disposed in a radial structure and an arrangement portion 1155 connected to the three connection portions 1153. Three connection portions 1153 are formed protruding from an inner wall of one end of the mounting groove 1131 near the blocking groove 1132 toward the center, and the three connection portions 1153 are disposed at intervals. The three connection portions 1153, the setting portions 1155, and the inner wall of the mounting groove 1131 together form three ventilation holes 1154, and the ventilation holes 1154 communicate with the blocking groove 1132 and the mounting groove 1131. Three ventilation holes 1154 are spaced around the setting portion 1155. Three ventilation holes 1154 are located below the inclined surface 1151. In this embodiment, the number of the connection portion 1153 and the ventilation holes 1154 is three, and a plurality, one, or two are provided according to actual demands.

The installation portion 1155 has a cylindrical shape, and protrudes from the joint of the three connection portions 1153 toward the installation groove 1131, that is, toward the side away from the inclined surface 1151, and the side wall of the installation portion 1155 is disposed in parallel with the inner wall of the installation groove 1131 with a space therebetween, so that an air passage 1181 is formed between the side wall of the installation portion 1155 and the installation groove 1131. The setting portion 1155 has a receiving groove 1180, and the receiving groove 1180 is formed by recessing a side of the setting portion 1155 near the mounting groove 1131 toward the blocking groove 1132, and communicates with the mounting groove 1131. The installation portion 1155 has a mounting hole 1156 formed therethrough, and the mounting hole 1156 communicates with the accommodating groove 1180. The diameter of the receiving groove 1180 is smaller than the diameter of the mounting groove 1131 and larger than the diameter of the mounting hole 1156.

The air outlet member 11 is fixedly connected to the inner wall of the air inlet 1011 of the cushion airbag device 100 in a sealed manner to prevent air from leaking between the air outlet member 11 and the air inlet 1011 of the cushion airbag device 100. The air outlet piece 11 is a TPU plastic piece, and it can be understood that the air outlet piece 11 can be made of other materials, and the air outlet piece 11 is made of materials according to actual requirements.

The elastic member 13 is movably accommodated in the fixing member 15. The elastic member 13 includes a sponge 131 and a blocking piece 133 fitted and fixed to one end of the sponge 131. The sponge 131 has a cylindrical shape so as to be movably accommodated in the fixing member 15. The blocking piece 133 is disc-shaped and matches the shape of one end of the sponge 131. The diameter of the sponge 131 is smaller than the diameter of the mounting groove 1131. The blocking piece 133 is made of plastic sheet, and it can be understood that the blocking piece 133 is made of plastic sheet according to actual requirements.

The fixing member 15 accommodates the elastic member 13, is accommodated in the mounting groove 1131 of the air outlet member 11, and is engaged with the air outlet member 11. The fixing member 15 has a cylindrical shape and includes a side wall 151, and a first end surface 153 and a second end surface 155 connected to the side wall 151. The first end face 153 and the second end face 155 are disposed opposite to each other, the first end face 153 facing the air outlet 11, and the second end face 155 facing the outside. The first end surface 153 is concavely provided with a receiving groove 1531 for receiving the elastic member 13. A through hole 1551 is formed through the second end surface 155 from the bottom surface of the accommodating groove 1531, and the through hole 1551 communicates with the accommodating groove 1531. The accommodating groove 1531 accommodates the elastic member 13. The through hole 1551 is exposed to the outside or connected to an inflator (not shown), and outside air is introduced into the airbag 102 of the cushion airbag device 100 through the through hole 1551. The receiving groove 1531 has a diameter larger than that of the sponge 131, and thus, when the sponge 131 is received in the receiving groove 1531, an air passage 16 (mounting groove 1131) is formed between the side wall of the sponge 131 and the inner wall of the receiving groove 1531, and the air passage 16 communicates with the air passage 1181 and the air vent 1154, so that air enters the airbag 102 through the air passage 16, the air passage 1181 and the air vent 1154. The through hole 1551 and the vent hole 1171 are switched between the communicating state and the non-communicating state by the blocking piece 133. In this embodiment, the fixing member 15 is an ABS plastic member, and it can be understood that the material of the fixing member 15 is set according to actual requirements.

The seal 17 includes a seal portion 171, a moving portion 173, and an engaging portion 175. The seal portion 171 and the engagement portion 175 are connected to both ends of the moving portion 173, that is, the moving portion 173 is located between the seal portion 171 and the engagement portion 175. The sealing portion 171 has an inverted three-cone structure and is accommodated in the blocking groove 1132. The sealing portion 171 has a slope 172 on a side facing the engaging portion 175. The inclined surface 172 is inclined so as to gradually decrease from one end of the sealing portion 171 away from the moving portion 173 toward the moving portion 173, that is, so that the diameter of the sealing portion 171 gradually decreases. The inclined surface 172 contacts the inclined surface 1151 to block the plurality of ventilation holes 1154 to perform a sealing function. The moving portion 173 is movably accommodated in the accommodating groove 1180, and when the moving portion 173 moves in the accommodating groove 1180, the inclined surface 172 is separated from the inclined surface 1151 to release the plurality of ventilation holes 1154, so that the gas enters the first bladder 1021 through the plurality of ventilation holes 1154. The engaging portion 175 has a triangular pyramid structure so that the tip of the engaging portion 175 is inserted into the accommodating groove 1180 from the mounting hole 1156, so that a part of the moving portion 173 is located in the mounting hole 1156 and a part is located in the accommodating groove 1180. The diameter of the end of the engaging portion 175 near the moving portion 173 is larger than the aperture of the mounting hole 1156, and therefore, the engaging portion 175 is not easily detached from the mounting hole 1156. In the present embodiment, since the seal 17 is made of a silicone material, the engagement portion 175 of the seal 17 is deformed into the mounting hole 1156 when the seal 17 is mounted in the mounting hole 1156. It will be appreciated that the material and shape of the seal 17 may be designed according to practical requirements.

When the unidirectional intake valve 10 is assembled, the tip of the engaging portion 175 is aligned with the mounting hole 1156, the sealing portion 171 is pressed, the tip of the engaging portion 175 is deformed to enter the accommodating groove 1180 from the mounting hole 1156, the moving portion 173 enters the accommodating groove 1180, and the inclined surface 172 contacts with the inclined surface 1151, so that the inclined surface 172 seals and blocks the ventilation hole 1154; then, the elastic member 13 is placed in the receiving groove 1531 of the fixing member 15, at this time, the blocking piece 133 of the elastic member 13 is located at the bottom surface of the receiving groove 1531, the blocking piece 133 contacts with the bottom surface of the receiving groove 1531 to seal the through hole 1551 of the fixing member 15, and the air passage 16 is formed between the sponge 131 and the inner wall of the receiving groove 1531, and then the fixing member 15 is clamped into the mounting groove 1131 of the air outlet member 11, at this time, one end of the sponge 131 away from the blocking piece 133 is located in front of the receiving groove 1180.

In use, the first airbag 1021 of the cushion airbag device 10 is inflated by the inflator, specifically, the inflator is connected to the through hole 1551, when the inflator supplies air to the through hole 1551, the sponge 131 moves toward the seal member 17 in the accommodating groove 1531 due to the air pressure, so that the blocking piece 133 releases the through hole 1551, at this time, the air flows toward the seal member 17 through the air passage 16, the plurality of hole portions of the sponge 131, and the vent hole 1171, and the moving portion 173 of the seal member 17 moves toward the inclined surface 1151 of the air outlet 11 in the accommodating groove 1180 due to the air pressure, and at this time, the inclined surface 172 of the seal member 17 is separated from the inclined surface 1151 to release the plurality of vent holes 1154, and the air in the air passage 1151 enters the first airbag 201 through the vent holes 1154, so that the cushion airbag device 100 is inflated.

When the airbag 201 of the cushion airbag apparatus 100 is inflated, the moving portion 173 of the sealing member 17 moves toward the fixing member 15 by the air pressure of the first airbag 201 in the accommodating groove 1180, the inclined surface 172 of the sealing member 17 contacts the inclined surface 1151 to seal and block the vent hole 1154, and simultaneously the sponge 131 moves toward the second end surface 155 of the fixing member 15 by the air pressure, and the blocking piece 133 blocks the through hole 1551, thereby achieving a double sealing effect by the inclined surface 172 of the sealing member 17 and the blocking piece 133 of the elastic member 13, thereby ensuring prevention of air leakage of the airbag 201.

Compared with the prior art, the buffer air bag device 100 provided by the utility model realizes the condition of preventing air leakage through the unidirectional air inlet valve with a compact structure, thereby effectively preventing the air leakage of the buffer air bag device 100, avoiding frequent air inflation and being convenient to use.

The cushion airbag device 100 may be manufactured by planar lamination, and the materials used for the airbags with single-sided protrusions and double-sided protrusions are mainly TPU, elastic cloth, TPR glue, thermosol, or PVC. If TPU passes through TPR glue, the TPU is attached to the elastic cloth to be used as the material of the upper pad surface. The other is that TPU is coated with TPR glue, elastic cloth is attached, the TPR glue is coated once, and then a layer of TPU is attached.

The underlying surface, if an air bag is not needed, is laminated with a material or cloth that is not elastic, either with TPU or with TPU over TPR glue.

The advantage of using TPU and cloth is elasticity. A massage cushion is inflated to a saturation level by the inflation of the air pump, and the air bag cushion is not increased or heightened all the time and can be pulled by cloth, if only TPU has no cloth. The larger the balloon cushion can be, the more fatigued or even burst.

In summary, the present utility model can be used on all cushioning airbag cushions, such as shoulder straps, home cushions, waist cushions, mattresses, medical mattresses, car seat belts, insoles, motorcycle cushions, bicycle cushions, mouse cushions, hemorrhoid cushions, knee pads, helmet cushions, bullet-proof vest cushions, and the like.

In a word, the utility model provides buffering for the stress part in a mode of one side air inlet and one side air outlet, accords with the stress principle, can generate buffering effect through other flows, has the effect of relieving the pressure of people, and provides a new buffering mode.

And the design of combining one-way admission valve can control the air current direction well, is convenient for the realization of buffering effect.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should be covered by the protection scope of the present utility model by making equivalents and modifications to the technical solution and the inventive concept thereof.

Claims (10)

1. A one-way air inlet valve for installing in the air inlet of buffering gasbag device, its characterized in that: the one-way air inlet valve comprises an air outlet piece with a plurality of air holes, an elastic piece, a fixing piece with a through hole and a sealing piece,

The elastic piece comprises a sponge and a blocking piece fixed on one end face of the sponge, the sponge is movably contained in the fixing piece, the blocking piece contacts with the fixing piece to seal the through hole, the fixing piece is clamped in the air outlet piece, the through hole and the vent hole are switched to be communicated and not communicated under the action of the blocking piece,

The sealing piece is movably arranged on the air outlet piece and is contacted with the air outlet piece to block the vent hole, and the sealing piece is used for switching the sealing and releasing states of the vent hole under the action of the sealing piece.

2. The one-way intake valve of claim 1, wherein: a blocking groove is formed on one side of the air outlet piece in a concave manner, the inner wall of the blocking groove is an inclined surface, the vent hole is positioned below the inclined surface and is communicated with the blocking groove,

The seal member has a slope that contacts the slope to block the vent hole.

3. A one-way intake valve as claimed in claim 2, characterized in that: the inclined surface is formed so as to be gradually smaller from the end surface of the air outlet member toward the center of the air outlet member.

4. A one-way intake valve as claimed in claim 2, characterized in that:

the air outlet piece comprises a fixing part and an installation part, wherein the fixing part is provided with an installation groove, the fixing part is clamped in the installation groove, the installation groove is communicated with the vent hole and the blocking groove, and the installation part is positioned on the bottom surface of the blocking groove.

5. The one-way intake valve of claim 4, wherein:

the installation part comprises a plurality of connecting parts arranged in a radial structure and a setting part connected with the connecting parts,

The connecting parts are formed by protruding and extending towards the center from the inner wall of one end, close to the blocking groove, of the mounting groove, the connecting parts are arranged at intervals, the connecting parts, the arranging parts and the inner wall of the mounting groove form a plurality of vent holes, and the vent holes are communicated with the blocking groove and the mounting groove.

6. The one-way intake valve of claim 5, wherein: the installation department from a plurality of the junction of connecting portion towards the protruding extension of mounting groove is towards keeping away from the protruding extension of one side of inclined plane, and the installation department lateral wall with the mounting groove inner wall separates the interval parallel arrangement, thereby the installation department lateral wall with be formed with the ventilation route between the mounting groove, the ventilation route with air vent, mounting groove are linked together.

7. The one-way intake valve of claim 6, wherein: the setting part is provided with a containing groove, the containing groove is formed by sinking from one side, close to the mounting groove, of the setting part towards the blocking groove and communicated with the mounting groove, the center of the setting part is penetrated and provided with a mounting hole, and the mounting hole is communicated with the containing groove.

8. The one-way intake valve of claim 7, wherein: the sealing element comprises a sealing part, a moving part and a clamping part, wherein the moving part is positioned between the sealing part and the clamping part, the sealing part is accommodated in a blocking groove, one side of the sealing part, which faces the clamping part, is provided with the inclined surface, the moving part is movably accommodated in the accommodating groove, the moving part moves in the accommodating groove, and the inclined surface is separated from the inclined surface.

9. A cushion airbag apparatus comprising a body having an air inlet and a one-way air inlet valve mounted to the body, characterized in that:

The one-way air inlet valve comprises an air outlet piece with a plurality of air holes, an elastic piece, a fixing piece with a through hole and a sealing piece,

The elastic piece comprises a sponge and a blocking piece fixed on one end face of the sponge, the sponge is movably contained in the fixing piece, the blocking piece contacts with the fixing piece to seal the through hole, the fixing piece is clamped in the air outlet piece, the through hole and the vent hole are switched to be communicated and not communicated under the action of the blocking piece,

The sealing piece is movably arranged on the air outlet piece and is contacted with the air outlet piece to block the vent hole, and the sealing piece is used for switching the sealing and releasing states of the vent hole under the action of the sealing piece.

10. The cushion airbag apparatus according to claim 9, wherein: the body comprises a plurality of air bags communicated through a plurality of air passages, one air bag, close to the air inlet, of the air bags is communicated with the one-way air inlet valve,

The plurality of air bags are provided with a first air bag and an elastic body, wherein the first air bag is communicated with the air inlet, and the elastic body is arranged in the first air bag and is used for supporting the first air bag to spring up.