CN217771893U - Air bag spring, air cushion and mattress - Google Patents

Abstract

The utility model relates to an air bag spring, air cushion and mattress. The existing air bag spring is troublesome to process. The utility model discloses a spring body in hole is aerifyd in area, the spring body is including the inner ring layer and the outer loop layer that coaxial cover was put, connect through the interlayer retaining ring between the corresponding bonding region between inner ring layer and outer loop layer to form two at least vertical superpositions and lead to the annular air chamber that links to each other through the through-hole between inner ring layer and outer loop layer. Set up the interlayer retaining ring between inner ring layer and outer loop layer to enclose to close at inner ring layer and outer loop layer and form each other and lead to each other and with the isolated air chamber of external space, both made things convenient for processing, still promote to adjust and use experience, promote the bearing reliability of the spring body again.

Description

Air bag spring, air cushion and mattress

Technical Field

The utility model relates to a bedding field, concretely relates to gasbag spring, air cushion and mattress.

Background

Existing air bag springs can be used to form air mattresses and mattresses. The air bag spring comprises a spring body with an inflation hole, the spring body is of an integrated structure, so that the processing difficulty of the spring body is high, waste products are easily produced, and the processing cost is increased. In addition, current spring body all is the columnar structure for the spring is internal to have great space, need carry out large-traffic gas when adjusting gasbag spring internal gas pressure and fill the operation, leads to spring body internal gas pressure governing speed to slow down, and then influences the response speed that uses gasbag spring's air cushion when adapting to user differentiation soft or hard support demand, influences and uses experience.

SUMMERY OF THE UTILITY MODEL

In order to solve the not enough of prior art, the utility model provides an air bag spring, air cushion and mattress sets up the interlayer retaining ring of cross-over connection adhesion and encloses the air chamber that closes formation superpose between inner ring layer and outer loop layer, can make things convenient for processing production, can also reduce the spring body inner space, effectively promotes the spring body internal gas pressure and adjusts response speed, promotes to use and experiences.

The utility model discloses a following mode realizes: the utility model provides an air bag spring, includes the spring body of taking the inflation hole, the spring body is including coaxial cover inner ring layer and the outer loop layer of putting, the corresponding bonding region between inner ring layer and the outer loop layer is connected through the interlayer retaining ring to form at least two vertical superpositions and pass through the annular air chamber of through-hole intercommunication between inner ring layer and outer loop layer. Set up the interlayer retaining ring between inner ring layer and outer loop layer, form each other and lead to each other and with the isolated air chamber of external space in order to enclose between inner ring layer and outer loop layer, can carry out the adhesion assembly after processing through the components of a whole that can function independently with the spring body, convenient processing, effectively reduce the processing cost, can also reduce the spring body volume through setting up hollow out construction at inner ring layer middle part, under the condition that the charge-discharge airflow flow keeps unanimous, the spring body that the volume is littleer has better atmospheric pressure regulation response speed, promote to adjust and use experience, can maintain spring body outer fringe size under the condition that reduces the spring body volume again, through increasing the regional area of the spring body bottom surface outer fringe enclosure, promote the anti-tilting performance of spring body, promote the bearing reliability of spring body, in addition, connect through the interlayer retaining ring between inner ring layer and the outer loop layer, effectively reduce the horizontal deformation range of inner ring layer and outer loop layer when aerifing, prevent that inner ring layer and outer loop layer from taking place the expansion deformation's condition because of local excessive deformation, effectively increase the spring body number of times of gassing and life.

Preferably, the width of the interlayer retainer ring is smaller than the width of an assembly gap between the inner ring layer and the outer ring layer, and when the spring body is inflated and expanded, the corresponding bonding areas of the inner ring layer and the outer ring layer are tightened and closed by the interlayer retainer ring. Each layer of retainer ring has the effect of straining inner ring layer and outer ring layer, plays the effect of stereotyping to the spring body, effectively promotes the bearing reliability of the spring body.

Preferably, the interlayer retaining ring is annular, the width of the interlayer retaining ring is A, the radius of the inner ring layer is B, and the radius of the outer ring layer is C, wherein 2 x (C-B)/3 is not less than A. The width of interlayer retaining ring is less than the technology interval of inner ring layer and outer loop layer when coaxial cover is put, ensures that the interlayer retaining ring can play the effect of dragging tight inner ring layer and outer loop layer when the spring body is aerifyd through increase difference between the two, plays the effect of stereotyping to the air chamber, prevents that the air chamber from taking place the condition of excessive deformation because of the pressurized.

Preferably, the interlayer retainer ring is in a square ring shape, or the edge profile of the interlayer retainer ring is in a waist drum shape. The contour shape of the interlayer retainer ring can be set as required, and an air chamber with a matched contour is formed, so that the design requirement on air chamber arrangement can be met, and the spring body can be ensured to have better air pressure regulation response speed.

Preferably, the outer side wall of the inner ring layer and the inner side wall of the outer ring layer are both provided with at least three vertically separated bonding areas, and the equal-height bonding areas on the inner ring layer and the outer ring layer are bonded through corresponding interlayer retaining rings. The inner ring layer and the outer ring layer are respectively provided with at least three bonding areas, the corresponding bonding areas are fixedly connected through the interlayer check rings in an adhesion mode, the processing is convenient, the space between the inner ring layer and the outer ring layer is further ensured to be divided into at least two air chambers which are vertically superposed and isolated from the external space, the rapid adjustment of the air pressure in the spring body is ensured, and the hardness of the spring body is adjusted accordingly.

Preferably, the outer edge of the interlayer retainer ring is circumferentially and continuously hot-melt adhered to the bonding area arranged on the inner side wall of the outer ring layer, so that the outer edge of the interlayer retainer ring and the bonding area arranged on the outer side wall of the inner ring layer are circumferentially and continuously hot-melt adhered to each other, so that the inner edge of the interlayer retainer ring and the bonding area are sealingly connected. The interlayer retaining ring is fixedly connected with the inner ring layer and the outer ring layer in a sealing mode through hot melt adhesion, so that the operation is convenient, the processing efficiency is improved, the connection reliability of the adhesion part can be ensured, and the corresponding adhesion area is pulled tightly by the interlayer retaining ring and the air chamber is ensured to keep a preset contour.

Preferably, the interlayer retaining ring arranged between the middle parts of the inner ring layer and the outer ring layer is provided with the through hole so as to enable the adjacent air chambers to be communicated. The top surface and the bottom surface of the interlayer retainer ring are respectively exposed in the adjacent air chambers, and the adjacent air chambers are communicated by arranging the through holes, so that the air pressure of each air chamber in the spring body can be synchronously adjusted.

As the preferred, be equipped with two at least through-holes between adjacent air chamber, the through-hole is put along air chamber circumference equidistance branch. The air flow circulation efficiency is improved by arranging the through holes, and the synchronous adjustment of the air pressure in each air chamber is further ensured. The air vents are arranged at equal intervals, so that each area of the air chamber can timely flow air through the corresponding through holes, and the air pressure regulation response speed is further improved.

Preferably, the inflation hole is formed in the bottom surface of the spring body, so that the spring body is convenient to communicate with external equipment, the gas transmission structure can be arranged at the bottom of the spring body, the top of the spring body is simple in structure and convenient to deform under pressure, and the lying comfort is improved.

Preferably, the inner ring layer and the outer ring layer are in an equal-length tubular structure, and the diameter of the inner ring layer is smaller than that of the outer ring layer, so that the inner ring layer is completely inserted into the outer ring layer. The inner ring layer can be completely inserted into the outer ring layer, so that the processing is convenient, a hollow structure can be formed in the middle of the spring body, the volume of the spring body is effectively reduced, and the anti-tipping performance of the spring body is ensured.

The utility model provides an air cushion, includes the gasbag spring and assembles the base of location for the gasbag spring, the base includes basic unit and superpose the overburden in the basic unit, basic unit and overburden enclose to close and form sealed air flue, sealed air flue passes through the trachea and leads to with the external world, the gasbag spring with the axis erect put the gesture overlap joint in the base top and with sealed air flue leads to even to it is right to make the trachea pass through sealed air flue the gasbag spring carries out synchronization regulation. The overburden lid closes on the basic unit and forms sealed air flue, and sealed air flue can carry out the synchro-control with a plurality of gasbag spring coupling to gasbag spring internal gas pressure, effectively simplifies the structure of control gasbag spring internal gas pressure, both makes things convenient for processing, still conveniently controls gasbag spring internal gas pressure for the air cushion soft or hard is adjustable.

Preferably, the covering layer is provided with a connecting hole, and the airbag spring is adhered to the covering layer through the bottom surface and is in sealed butt joint with the connecting hole through an inflation hole. The spring body is adhered to the top surface of the covering layer through the bottom surface, so that the connecting hole can be in butt joint with the inflating hole in the spring body, and the air pressure in the air bag spring can be adjusted through the sealed air passage.

Preferably, the covering layer forms the bottom wall of the airbag spring, so that the inflation holes are formed in the covering layer, the covering layer serves as the bottom wall of the airbag spring and is connected with the bonding area arranged at the bottom edge of the inner ring layer and the bottom edge of the outer ring layer, the bottom wall of the spring body does not need to be separately bonded, the assembly efficiency is improved by simplifying the air cushion structure, raw materials can be saved, and the raw material cost is reduced. The air charging hole is arranged on the covering layer, so that the spring body is communicated with the sealed air passage.

Preferably, the base comprises a plurality of rows of long sealing air passages which are equidistantly arranged, and the air bag springs are equidistantly arranged along the sealing air passages, so that the air cushion can be divided into a plurality of independently adjustable subareas. Sealed air flue is rectangular form for gasbag spring above that can be rectangular form arrange and carry out synchronous air pressure control, many sealed air flues pass through the trachea and link to each other and synchronous control corresponds gasbag spring, make the air cushion can be divided into a plurality of partitions that can carry out soft or hard degree regulation alone, ensure that the user can carry out soft or hard degree regulation to each partition according to self demand, and then satisfy the differentiation support demand of each body of user.

A mattress comprises an air cushion, wherein the outer edge of the air cushion is provided with a surrounding edge, and the top surface of the air cushion is covered with a comfort layer. The surrounding edge and the comfortable layer are matched to play a role in wrapping the air cushion, the surrounding edge and the comfortable layer are utilized to play a role in shielding the protective air cushion, and the comfortable layer can be utilized to improve the lying comfort of a user.

The utility model has the advantages that: set up the interlayer retaining ring between inner ring layer and outer loop layer, form each other and lead to each other and with the isolated air chamber of external space in order to enclose between inner ring layer and outer loop layer, can carry out the adhesion assembly after processing through the components of a whole that can function independently with the spring body, convenient processing, effectively reduce the processing cost, can also reduce the spring body volume through setting up hollow out construction at inner ring layer middle part, under the condition that the charge-discharge airflow flow keeps unanimous, the spring body that the volume is littleer has better atmospheric pressure regulation response speed, promote to adjust and use experience, can maintain spring body outer fringe size under the condition that reduces the spring body volume again, through increasing the regional area of the spring body bottom surface outer fringe enclosure, promote the anti-tilting performance of spring body, promote the bearing reliability of spring body, in addition, connect through the interlayer retaining ring between inner ring layer and the outer loop layer, effectively reduce the horizontal deformation range of inner ring layer and outer loop layer when aerifing, prevent that inner ring layer and outer loop layer from taking place the expansion deformation's condition because of local excessive deformation, effectively increase the spring body number of times of gassing and life.

Drawings

FIG. 1 is a schematic cross-sectional view of a balloon spring according to an embodiment;

FIG. 2 is a schematic view of the structure of the air bag spring according to the first embodiment;

FIG. 3 is a schematic view of a disassembled structure of the airbag spring according to the first embodiment;

FIG. 4 is a schematic horizontal sectional view of the air bag spring according to the first embodiment;

FIG. 5 is a schematic vertical sectional view of the air bag spring according to the first embodiment;

FIG. 6 is a schematic structural diagram of the base according to the second embodiment;

fig. 7 is a schematic view of a partial structure of the air cushion according to the second embodiment;

FIG. 8 is a schematic partial sectional view of the base according to the second embodiment;

FIG. 9 is a schematic view of a disassembled structure of the mattress according to the third embodiment;

in the figure: 1. the air cushion comprises an inflation hole, 2, a spring body, 3, an inner ring layer, 4, an outer ring layer, 5, an interlayer retainer ring, 6, an air chamber, 7, a through hole, 8, a base layer, 9, a covering layer, 10, an air pipe, 11, a sealed air passage, 12, an air cushion, 13, a surrounding edge, 14 and a comfort layer.

Detailed Description

The essential features of the invention will be further explained with reference to the drawings and the detailed description.

The first embodiment is as follows:

the present embodiment provides an airbag spring.

The air bag spring shown in figures 1 and 2 comprises a spring body 2 with an inflation hole 1, wherein the spring body 2 comprises an inner ring layer 3 and an outer ring layer 4 which are coaxially sleeved, and corresponding bonding areas between the inner ring layer 3 and the outer ring layer 4 are connected through an interlayer retainer ring 5, so that at least two annular air chambers 6 which are vertically overlapped and communicated through a through hole 7 are formed between the inner ring layer 3 and the outer ring layer 4. Through the adhesion of interlayer retaining ring 5 between inner ring layer 3 and outer loop layer 4, make the space between inner ring layer 3 and the outer loop layer 4 separated by interlayer retaining ring 5 and surround the annular air chamber 6 that forms a plurality of vertical superpositions, can be through independently processing inner ring layer 3, assemble after outer loop layer 4 and interlayer retaining ring 5 and form spring body 2, effectively reduce the processing degree of difficulty and processing cost, promote the product percent of pass, can also form hollow out construction in inner ring layer 3 and reduce the volume of spring body 2, under the condition that the inflation and deflation air current flow keeps unanimous, the spring body 2 that the volume is littleer has better atmospheric pressure to adjust response speed, promote to adjust and use experience, again can maintain the outer fringe size of spring body 2 under the condition that reduces the volume of spring body 2, promote the anti-tipping performance of spring body 2 through increasing the regional area of 2 bottom surface outer fringe encirclement of spring body, promote the bearing reliability of spring body 2.

In this embodiment, six vertically-separated bonding areas are disposed on the outer side wall of the inner ring layer 3 and the inner side wall of the outer ring layer 4, the interlayer retaining rings 5 are six (as shown in fig. 3), and the equal-height bonding areas on the inner ring layer 3 and the outer ring layer 4 are adhered to each other through the corresponding interlayer retaining rings 5, so that the space between the inner ring layer 3 and the outer ring layer 4 is divided into five vertically-overlapped air chambers 6 by the interlayer retaining rings 5. When the device is installed, the outer edge of the interlayer retaining ring 5 is in circumferential continuous hot melt adhesion with the bonding area arranged on the inner side wall of the outer ring layer 4, and the inner edge of the interlayer retaining ring 5 is in circumferential continuous hot melt adhesion with the bonding area arranged on the outer side wall of the inner ring layer 3, so that the inner edge and the outer edge of the interlayer retaining ring 5 are respectively in sealing connection with the inner ring layer 3 and the outer ring layer 4.

In this embodiment, the width of the separation layer retainer ring 5 is smaller than the width of the assembly gap between the inner ring layer 3 and the outer ring layer 4, and when the spring body 2 is inflated and expanded, the corresponding bonding areas of the inner ring layer 3 and the outer ring layer 4 are tightened and closed by the separation layer retainer ring 5. Outer ring layer 4 and inner ring layer 3 are greater than the width of interlayer retaining ring 5 at the radial spacing distance of coaxial cover when putting, when spring body 2 aerifys the operation through aerifing hole 1, 6 volumes of air chamber can be because of filling high-pressure air and grow, inner ring layer 3 and outer ring layer 4 can change to perpendicular wall because of air chamber 6 inflation, at this in-process, inner ring layer 3 and outer ring layer 4 can be out of the way deformation and taut interlayer retaining ring 5, make interlayer retaining ring 5 by the level taut and play the effect of restriction deformation to inner ring layer 3 and outer ring layer 4, make air chamber 6 have the biggest cross sectional area, effectively promote the compressive property of air chamber 6, and then ensure that spring body 2 can effectively bear the vertical effort that comes from the user. Specifically, interlayer retaining ring 5 is the ring form (as shown in fig. 5), interlayer retaining ring 5's width is A, the radius of interior annular layer 3 is B, the radius of outer ring layer 4 is C, (C-B)/A =1.5, can prolong the life of spring body 2 through the radial deformation of restriction interior annular layer 3 and outer ring layer 4, prevent that spring body 2 from taking place unrecoverable's damage because of excessive deformation, can also play radial spacing effect to interior annular layer 3 and outer ring layer 4, have specific cross-sectional profile after guaranteeing to pack highly-compressed air in the air chamber 6, prevent that horizontal migration can effectively bear vertical effort between adjacent air chamber 6, promote the travelling comfort of air bag spring.

In this embodiment, the interlayer retaining ring 5 of cross-over connection between inner ring layer 3 and outer loop layer 4 middle part has seted up through-hole 7, interlayer retaining ring 5 that is located the spring body 2 middle part forms the diapire of top air chamber 6 and the roof of below air chamber 6 respectively through top surface and bottom surface, through set up vertical through-hole 7 that link up on interlayer retaining ring 5 and realize that adjacent air chamber 6 leads to even, ensure through the highly-compressed air of inflating hole 1 input can transmit to each air chamber 6 in proper order through-hole 7 in, ensure that each regional interior gas pressure is synchronous adjustable in the spring body 2.

In this embodiment, the through holes 7 are at least two (as shown in fig. 4), and are equidistantly spaced along the circumferential direction of the partition check ring 5, the flow velocity of the air flow between the adjacent air chambers 6 is increased by increasing the number of the through holes 7, so that the air pressure in the air chambers 6 is synchronously adjusted, the through holes 7 are equidistantly spaced, the flow distance of the air flow in the air chambers 6 is effectively shortened, and each section of the air chambers 6 can be inflated and deflated through corresponding through holes 7, so that the air pressure in each section of the air chambers 6 can be synchronously adjusted.

In this embodiment, the profile of the partition retaining ring 5 may be of various structures, so that the inner ring layer 3 and the outer ring layer 4 are drawn by the partition retaining ring 5 to surround and form the spring body 2 with a corresponding structure, and the profile of the outer edge of the partition retaining ring 5 includes a square ring shape or a waist drum shape, which should be regarded as a specific embodiment mode of this embodiment. When the separation layer retainer ring 5 is in a non-circular annular structure, the parameter C-B represents the width of the separation layer retainer ring 5 and meets the requirement that 2 x (C-B)/3 is more than or equal to A. The waist drum shape comprises two parallel straight line sections and an arc section bridged between the corresponding ends of the straight line sections.

In this embodiment, the inner ring layer 3 and the outer ring layer 4 are in an equal length tubular structure, and the diameter of the inner ring layer 3 is smaller than that of the outer ring layer 4, so that the inner ring layer 3 is completely inserted into the outer ring layer 4. Inner ring layer 3 and outer loop layer 4 carry out the hot melt through interlayer retaining ring 5 and connect, both play the effect of dragging the design each other, can also ensure that spring body 2 carries out vertical lift deformation when filling the gassing, prevent that spring body 2 from taking place to empty or the level is to excessive deformation's the condition when filling the gassing, ensure that spring body 2 uses the reliability.

It should be understood that at least three vertically separated baffle rings 5 are disposed on the outer side wall of the inner ring layer 3 and the inner side wall of the outer ring layer 4, so as to form at least two vertically stacked air chambers 6 between the inner ring layer 3 and the outer ring layer 4, which should be regarded as a specific embodiment of this embodiment.

Example two:

in contrast to the first embodiment, the present embodiment provides an air cushion 12.

An air cushion 12 as shown in fig. 6, including the gasbag spring and assemble the base of location for the gasbag spring, the base includes basic unit 8 and superpose overburden 9 on basic unit 8, basic unit 8 and overburden 9 enclose to close and form sealed air flue 11, sealed air flue 11 leads to with the external world through trachea 10, the gasbag spring with the axis erect put the gesture overlap joint in the base top and with sealed air flue 11 leads to even to it is right to make trachea 10 carry out synchronous regulation through sealed air flue 11 the gasbag spring.

In this embodiment, the base both had played the effect of bearing gasbag spring, ensured that the gasbag spring fixes a position the installation with predetermineeing the overall arrangement, can also utilize predetermined sealed air flue 11 to play pneumatic control's effect to the gasbag spring, and then realized the purpose that 12 soft or hard degrees were adjusted to the air cushion through carrying out pneumatic control to each gasbag spring.

In the embodiment, the base comprises a base layer 8 and a covering layer 9 superposed on the base layer 8, the base layer 8 and the covering layer 9 enclose to form a sealed air channel 11, and the vertical projection of the covering layer 9 completely falls into the base layer 8. Specifically, the cover layer 9 is in an elongated shape, and the end edge and the side edge of the cover layer 9 are both adhered to the top surface of the base layer 8, so as to enclose a sealed air passage 11 communicated with the airbag spring between the base layer 8 and the cover layer 9. The equal-width fit area is arranged between the periphery of the covering layer 9 and the base layer 8, so that the vertical projection of the sealed air passage 11 is completely ensured to fall into the covering layer 9, the contour of the sealed air passage 11 can be adjusted according to the contour of the covering layer 9, the layout requirement of an air bag spring is met, the adhesion between the periphery of the covering layer 9 and the base layer 8 is ensured to be sealed and reliable, and the air leakage is prevented.

In this embodiment, the cover layer 9 is provided with a connection hole, and the airbag spring is adhered to the cover layer 9 through the bottom surface and is in sealed butt joint with the connection hole through the inflation hole 1 (as shown in fig. 7). The bottom surface of the air bag spring is fixedly connected to the covering layer 9 in an adhesion mode, so that the connecting hole is aligned to the air inflation hole 1 and communicated with the air inflation hole in a sealing mode, the air inflation hole 1 is formed in the interlayer retaining ring located on the bottom surface of the spring body 2, the interlayer retaining ring is attached to the top surface of the covering layer 9 and surrounds the air inflation hole 1, the air inflation hole 1 is connected with the connecting hole in a sealing mode, and air inflation operations can be carried out smoothly.

In this embodiment, the base includes a plurality of rows of elongated equally spaced sealed air passages 11, and the air bladder springs are equally spaced along the sealed air passages 11, so that the air cushion 12 can be divided into a plurality of independently adjustable zones. Sealed air flue 11 is many and follows the parallel branch of air cushion 12 fore-and-aft direction equidistance in proper order and puts, gasbag spring equidistance branch is put on corresponding sealed air flue 11 for the gasbag spring of air cushion 12 top surface can be the matrix form rule and set up. The accessible trachea 10 realizes leading to between adjacent sealed air flue 11 (as shown in fig. 8), adjusts and controls through the sealed air flue 11 to single trachea 10 cross-over connection for air cushion 12 can be divided into a plurality of divisions that can independently adjust gasbag spring soft or hard, and all gasbag springs soft or hard carry out synchronous control in each division, ensures that air cushion 12 can carry out independent control to each division to the support requirement of each section of user, promotes and supports the travelling comfort.

In this embodiment, the covering layer 9 forms a bottom wall of the airbag spring, so that the inflation hole 1 is formed in the covering layer 9, and the covering layer 9 can enclose with the base layer 8 to form the sealed air passage 11, and can be adhered to the bottom of the airbag spring to form the bottom wall of the airbag spring, which is convenient for processing and saves raw materials, and should also be regarded as a specific implementation manner of this embodiment.

Other structures and effects of the airbag spring described in this embodiment are consistent with those of the embodiment, and are not described again.

Example three:

compared with the second embodiment, the present embodiment provides a mattress.

Fig. 9 shows a mattress, which is composed of an air cushion 12, the outer edge of the air cushion 12 is provided with a surrounding edge 13, and the top surface of the air cushion 12 is covered with a comfort layer 14. The surrounding edge 13 is of a split structure and is laid along each edge of the air cushion 12 in a matching manner, and the comfort layer 14 completely covers the top surface of the air cushion 12, so that each area of the top surface of the air cushion 12 is ensured to have better comfort.

In this embodiment, the mattress includes the parcel bag of parcel air cushion 12, surrounding edge 13 and comfortable layer 14, has both played the effect of parcel location to air cushion 12, surrounding edge 13 and comfortable layer 14, still plays the effect of protection air cushion 12, surrounding edge 13 and comfortable layer 14, can come the convenience to the mattress cleanness maintenance through wasing alone the parcel bag again, promotes and uses experience.

Other structures and effects of the air cushion 12 in this embodiment are the same as those in the second embodiment, and are not described again.

Claims (10)

1. The utility model provides an air bag spring, is including the spring body (2) of taking gas charging hole (1), its characterized in that, spring body (2) are including coaxial interior ring layer (3) and the outer ring layer (4) of putting of cover, connect through interlayer retaining ring (5) between the corresponding bonding region between interior ring layer (3) and outer ring layer (4) to form two at least vertical superpositions and lead to annular air chamber (6) through-hole (7) between interior ring layer (3) and outer ring layer (4).

2. An air-bag spring according to claim 1, wherein the width of the spacer (5) is less than the width of the fitting gap between the inner (3) and outer (4) ring layers, and when the spring body (2) is inflated, the corresponding bonded areas of the inner (3) and outer (4) ring layers are pulled tight by the spacer (5).

3. An air-bag spring according to claim 2, wherein the diaphragm retainer (5) is circular, the width of the diaphragm retainer (5) is a, the radius of the inner ring layer (3) is B, and the radius of the outer ring layer (4) is C,2 x (C-B)/3 is greater than or equal to a; or the interlayer retainer ring (5) is in a square ring shape; or the edge contour of the interlayer retainer ring (5) is in a waist drum shape.

4. An air-bag spring according to claim 1, wherein at least three vertically spaced bonding areas are provided on both the outer side wall of the inner ring layer (3) and the inner side wall of the outer ring layer (4), and the equal-height bonding areas on the inner ring layer (3) and the outer ring layer (4) are bonded together by means of corresponding spacer collars (5).

5. An air bag spring according to claim 4, wherein the outer edge of the baffle collar (5) is circumferentially and continuously hot-melt bonded with an adhesive area arranged on the inner side wall of the outer ring layer (4) so as to enable the two to be in sealing connection; or the inner edge of the interlayer retainer ring (5) is circumferentially and continuously hot-melt adhered to an adhesive area arranged on the outer side wall of the inner ring layer (3) so as to enable the interlayer retainer ring and the inner ring layer to be in sealing connection.

6. An air-bag spring according to claim 4, characterised in that the partition collar (5) arranged between the middle of the inner (3) and outer (4) ring is provided with said through-holes (7) to allow communication between adjacent air chambers (6).

7. An air-bag spring according to any one of claims 1 to 6, wherein at least two through holes (7) are provided between adjacent air chambers (6), said through holes (7) being equally spaced circumferentially along the air chambers (6); alternatively, the first and second electrodes may be,

the inflation hole (1) is arranged on the bottom surface of the spring body (2); or the inner ring layer (3) and the outer ring layer (4) are in equal-length tubular structures, and the diameter of the inner ring layer (3) is smaller than that of the outer ring layer (4), so that the inner ring layer (3) is completely inserted into the outer ring layer (4).

8. An air cushion, including the gasbag spring of any one of claims 1-7 and the base for gasbag spring assembling location, characterized in that, the base includes basic unit (8) and superpose overburden (9) on basic unit (8), basic unit (8) and overburden (9) enclose and close and form sealed air flue (11), sealed air flue (11) lead to with the external world through trachea (10), the gasbag spring with the axis erect the gesture overlap joint in the base top and with sealed air flue (11) lead to and are connected to make trachea (10) right through sealed air flue (11) gasbag spring carries out the synchronization regulation.

9. An air cushion according to claim 8, wherein the covering layer (9) is provided with a connecting hole, the air bag spring is adhered to the covering layer (9) through the bottom surface and is in sealed butt joint with the connecting hole through the inflating hole (1); or the covering layer (9) forms the bottom wall of the airbag spring, so that the inflation hole (1) is formed in the covering layer (9); or the base comprises a plurality of rows of long-strip-shaped sealing air passages (11) which are equidistantly arranged, and the air bag springs are equidistantly arranged along the sealing air passages (11), so that the air cushion can be divided into a plurality of independently adjustable subareas.

10. A mattress comprising an air mattress (12) according to any one of claims 8-9, wherein the outer edge of the air mattress (12) is provided with a peripheral edge (13), and the top surface of the air mattress (12) is covered with a comfort layer (14).

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