CN220646137U - Air pump assembly, controller using air pump assembly and bed using controller - Google Patents

Abstract

The present utility model relates to an air pump assembly, a controller using the same, and a bed using the controller. The speed of the existing air bag for adjusting the inflation and deflation is low, and the use experience is affected. The utility model comprises a pump shell with an assembling cavity and a pump body arranged in the assembling cavity, wherein the pump shell comprises a shell body and a cover body which are connected in a sealing way, the cover body is provided with an air suction nozzle communicated with the assembling cavity and an air charging nozzle communicated with an air outlet of the pump body, the pump body obtains an air source through the air suction nozzle and compresses the air source to form high-pressure air flow discharged through the air charging nozzle, and the target space is communicated with the air suction nozzle or the air charging nozzle in a switching way to realize air pressure adjustment. The target space is an air bag arranged on a bed, an assembly cavity sealed with the external space is arranged in the pump shell, and an air suction nozzle and an air charging nozzle which can be connected with the air bag in a switching way and can exhaust and charge the air bag are arranged on the pump shell, so that the air charging and discharging efficiency of the air bag is ensured, the air pressure adjusting precision of the air bag is improved, and the use experience is improved.

Description

Air pump assembly, controller using air pump assembly and bed using controller

Technical Field

The utility model relates to the field of bedding, in particular to an air pump assembly, a controller using the air pump assembly and a bed using the controller.

Background

The existing mattress comprises a mattress body and a controller arranged in the mattress body, wherein an air pump assembly and an electromagnetic valve assembly are arranged in the controller, high-pressure air flow generated by the air pump assembly is shunted into each air bag by the electromagnetic valve assembly, and the hardness of the mattress body is regulated by regulating the air pressure in the air bags. The existing air pump assembly comprises a pump shell and a pump body arranged in the pump shell, when the air pump is used, the pump body is used for inflating the air bag through pumping outside air, so that the air bag can improve hardness through increasing air pressure, when the air pump is required to exhaust, the air bag can exhaust through air pressure difference between the air bag and the outside space, the air pressure difference between the air bag and the outside space can gradually decrease along with exhaust implementation, the air bag exhaust efficiency is reduced, the air bag hardness adjusting speed is affected, the air pressure accuracy control difficulty after the air bag is exhausted is increased, the air bag hardness adjusting accuracy is affected, and the use experience is affected.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides the air pump assembly, the controller using the air pump assembly and the bed using the controller, an assembly cavity sealed with an external space is arranged in a pump shell, and the pump shell is provided with the suction nozzle and the charging nozzle which can be switched and connected with the air bag and can perform air discharge and charging on the air bag, so that the air bag charging and discharging efficiency is ensured, the air pressure adjusting precision of the air bag is improved, and the use experience is improved.

The utility model is realized by the following modes: the utility model provides an air pump assembly, includes the pump case of interior assembly chamber and the pump body of setting in the assembly intracavity, the pump case includes sealing connection's casing and lid, be equipped with on the lid with the suction nozzle of assembly chamber intercommunication and with the charging connector of pump body gas outlet intercommunication, the pump body obtains the air supply through the suction nozzle and compresses and form the high-pressure air current through charging connector outer row, the target space through with suction nozzle or charging connector switching intercommunication realize the atmospheric pressure regulation. The target space is the gasbag of setting on the bed, set up the assembly chamber sealed with external space in the pump case, and set up on the pump case can switch with the gasbag and be connected and can implement exhaust and inflated suction nozzle and charging connector to the gasbag, the air pump assembly passes through the suction nozzle and draws the interior air of gasbag, make the interior atmospheric pressure of gasbag drop fast accurately, carry the air to the gasbag through the charging connector, make the interior atmospheric pressure of gasbag rise fast accurately, both ensured the gasbag and inflated and deflated efficiency, still promote the atmospheric pressure regulation precision of gasbag, promote the use experience.

Preferably, the shell is columnar, an assembly groove with an opening at the end face is arranged in the shell, a sealing ring is arranged at the periphery of a notch of the assembly groove, and the cover body covers the notch and tightly clamps the sealing ring so that the cover body and the shell are in sealing connection. The columnar shell is convenient for the insertion and extraction assembly of the pump body and the sealing of the cover body. The sealing washer is held between assembly groove notch periphery and lid periphery, ensures lid and casing sealing connection, and then guarantees that the assembly chamber is only through suction nozzle and external space intercommunication, effectively promotes the extraction efficiency of suction nozzle.

Preferably, the periphery of the notch is provided with an annular caulking groove, the sealing ring is embedded in the caulking groove, the periphery of the side end face of the cover body, facing the shell, is provided with a convex ring, and the convex ring is inserted into the caulking groove and tightly clamps the sealing ring. The bulge loop inserts the caulking groove along lid axis direction, both promotes sealed effect through increasing the area of contact between bulge loop and caulking groove, still plays the effect of pressing from both sides tight location to the sealing washer, ensures sealing reliability, still plays radial spacing's effect to lid and casing, ensures the notch of the complete shutoff assembly groove of lid.

Preferably, the cross-section profile of caulking groove and bulge loop all is square, and the width of caulking groove matches with the width of bulge loop to make caulking groove cell wall and bulge loop lateral wall laminating conflict, the bulge loop inserts the caulking groove, makes bulge loop lateral wall and caulking groove side slot wall match laminating, promotes sealed reliability.

Preferably, the height of the convex ring is smaller than the depth of the caulking groove, and the convex ring is completely inserted into the caulking groove so that the periphery of the cover body is tightly attached to the periphery of the notch. The bulge loop is completely inserted into the caulking groove, so that the sealing ring can be tightly clamped between the bulge loop and the caulking groove, the periphery of the cover body can be tightly attached to the periphery of the notch of the assembling groove, and the sealing reliability is improved by increasing the contact area between the cover body and the shell.

Preferably, the pump body is fixedly connected in the assembly cavity through a vibration reduction assembly in a suspension manner, the vibration reduction assembly comprises a plurality of screws which are separately arranged in the assembly cavity and vibration reduction pieces which are bridged between the screws and the pump body, screw holes are formed in the wall surface, far away from the notch, of the assembly groove, perforations are formed in the cover body, and the screws penetrate through the sealing ring, the perforations and the vibration reduction pieces and are locked with the corresponding screw holes in a threaded manner so as to seal the perforations. The vibration damping piece plays a role in fixedly connecting and positioning the pump body, and also counteracts vibration generated by the operation of the pump body by utilizing the elastic deformation of the vibration damping piece, so that the operation noise of the air pump component is reduced, and the influence on the sleeping of a user is reduced. The screw rod penetrates through the cover body and is in threaded connection and locking with the screw hole, so that the vibration reduction piece has a pulling and positioning function, the cover body is limited, and the cover body can be matched with the shell to clamp the sealing ring.

Preferably, the end part of the screw exposed out of the cover body is provided with a limiting ring, the sealing ring is sleeved on the section of the screw between the limiting ring and the cover body, and after the screw is installed in place, the limiting ring and the cover body tightly clamp the sealing ring. The limiting ring can drive the cover body to be tightly attached to the shell and clamp the sealing ring, and can drive the sealing ring to be tightly attached to the cover body, so that the function of plugging the perforation is achieved.

Preferably, the vibration damping piece comprises a first connecting part for the screw to penetrate, a second connecting part sleeved and fixedly connected on the pump body, and a vibration damping part bridged between the first connecting part and the second connecting part. The vibration reduction part counteracts vibration generated by the operation of the pump body by utilizing self deformation, so that noise generated by the vibration of the shell is reduced.

Preferably, an air outlet pipe is arranged in the assembly cavity, one end of the air outlet pipe is communicated with the air outlet of the pump body, and the other end of the air outlet pipe is communicated with the air charging nozzle, so that the air charging nozzle is isolated from the assembly cavity. The high-pressure air flow generated by the pump body is conveyed to the air charging nozzle through the air outlet pipe, so that the air charging nozzle can convey the air to the target space, the air charging operation can be carried out on the air bag, the air charging nozzle can discharge the air to the external space, and the air discharging operation can be carried out on the air bag.

Preferably, the air inlet of the pump body is exposed in the assembling cavity, so that the air inlet can acquire an air source forming high-pressure air flow through the air suction nozzle. The pump body is through the air inlet extraction assembly intracavity air for the assembly chamber is through reducing atmospheric pressure and through the air extraction mouth supplementary air supply, can be through the air extraction mouth extraction target space in air, carries out the exhaust operation to the gasbag, can also be through the air extraction mouth extraction external space's air, carries out the operation of inflating to the gasbag.

The utility model provides a controller, includes the shell of interior installation cavity and sets up solenoid valve subassembly, air pump subassembly and the circuit board in the installation cavity, air pump subassembly and solenoid valve subassembly are through the damping area suspension on the suspension, the suspension passes through silica gel callus on the sole overlap joint on the diapire in installation cavity. Utilize the vibration damping area to play the effect of vibration damping to air pump subassembly and solenoid valve subassembly, prevent that air pump subassembly and solenoid valve subassembly operation from producing the noise and influencing the user sleep.

Preferably, the controller is internally provided with a pipeline component, the pipeline component comprises a noise reduction box, an internal pipe and an external pipe, the internal pipe is bridged between the air pump component and the electromagnetic valve component, the external pipe is communicated with an external target space through the electromagnetic valve component, and the noise reduction box is connected in series with the internal pipe or the external pipe. The noise reduction box can reduce noise on the air flow flowing through the pipeline assembly, so that the operation noise of the control box is reduced, and the influence on sleeping of a user is reduced.

Preferably, the air suction nozzle and the air charging nozzle are in switching communication with the target space through a solenoid valve assembly. The air pump assembly is connected with the air bag through the electromagnetic valve assembly, and the electromagnetic valve assembly can realize continuous switching between the air charging nozzle and the air bag and between the air extracting nozzle and the air bag through switching of opening and closing of each unit valve in the electromagnetic valve assembly, so that the air bag can be rapidly charged and discharged.

The utility model provides a bed, includes the pad body, the pad body includes comfortable layer, adjustment layer and the spring layer that top-down set gradually, the adjustment layer includes front-mounted sponge section, centrally-mounted adjusting section and the rear-mounted sponge section that sets gradually from front to back, be equipped with soft or hard adjustable gasbag in the centrally-mounted adjusting section, set up the controller that is used for controlling gasbag hardness in the rear-mounted sponge section, the controller passes through the trachea and is connected with the gasbag. The controller is arranged in the pad body, the distance between the controller and the middle-arranged adjusting section is effectively shortened, the pipeline arrangement is facilitated, the vibration generated by the operation of the air pump component and the electromagnetic valve component is prevented by the multistage vibration reduction structure, and the vibration is transmitted to the pad body through the shell, so that the user is ensured to have better sleep experience.

The utility model has the beneficial effects that: the target space is the gasbag of setting on the bed, set up the assembly chamber sealed with external space in the pump case, and set up on the pump case can switch with the gasbag and be connected and can implement exhaust and inflated suction nozzle and charging connector to the gasbag, the air pump assembly passes through the suction nozzle and draws the interior air of gasbag, make the interior atmospheric pressure of gasbag drop fast accurately, carry the air to the gasbag through the charging connector, make the interior atmospheric pressure of gasbag rise fast accurately, both ensured the gasbag and inflated and deflated efficiency, still promote the atmospheric pressure regulation precision of gasbag, promote the use experience.

Drawings

FIG. 1 is a schematic cross-sectional view of an air pump assembly according to an embodiment;

FIG. 2 is a schematic view of a partial cross-sectional structure of the air pump assembly according to the first embodiment;

FIG. 3 is a schematic diagram illustrating a disassembled structure of the air pump assembly according to the first embodiment;

FIG. 4 is a schematic diagram of the air path structure of the air pump assembly according to the first embodiment;

FIG. 5 is a schematic view showing an assembled structure of the pump body and the vibration damping assembly according to the first embodiment;

FIG. 6 is a schematic view of a controller according to a second embodiment in partial cross-section;

fig. 7 is a schematic diagram illustrating a disassembled structure of a cushion body according to a third embodiment;

in the figure: 1. pump body, 2, casing, 3, lid, 4, the air suction mouth, 5, the charging connector, 6, the sealing washer, 7, the caulking groove, 8, the bulge loop, 9, the screw rod, 10, damping piece, 11, the sealing washer, 12, perforation, 13, the screw, 14, the spacing ring, 15, first connecting portion, 16, second connecting portion, 17, damping portion, 18, outlet duct, 19, shell, 20, solenoid valve subassembly, 21, air pump subassembly, 22, suspension, 23, silica gel callus on the sole, 24, the spring layer, 25, leading sponge section, 26, rearmounted sponge section, 27, in put adjusting section, 28, controller, 29, the area, 30, comfort level.

Detailed Description

The essential features of the utility model are further described in connection with the accompanying drawings and the detailed description.

Embodiment one:

the embodiment provides an air pump assembly.

The air pump assembly is shown in fig. 1 and 2, and is composed of a pump shell with an assembly cavity therein and a pump body 1 arranged in the assembly cavity, wherein the pump shell comprises a shell 2 and a cover body 3 which are in sealing connection, an air suction nozzle 4 communicated with the assembly cavity and an air charging nozzle 5 communicated with an air outlet of the pump body 1 are arranged on the cover body 3, the pump body 1 obtains an air source through the air suction nozzle 4 and compresses the air source to form high-pressure air flow discharged through the air charging nozzle 5, and a target space is communicated with the air suction nozzle 4 or the air charging nozzle 5 in a switching mode to realize air pressure adjustment. The target space is the gasbag of setting on the bed, set up the assembly chamber sealed with external space in the pump case, and set up on the pump case can switch with the gasbag and be connected and can implement exhaust and inflated air suction nozzle 4 and charging connector 5 to the gasbag, air pump assembly 21 passes through air suction nozzle 4 extraction gasbag internal air, make the interior atmospheric pressure of gasbag drop fast accurately, carry the air to the gasbag through charging connector 5, make the interior atmospheric pressure of gasbag rise fast accurately, both ensured the gasbag and inflated and deflated efficiency, still promote the atmospheric pressure regulation precision of gasbag, promote the use experience.

In this embodiment, the housing 2 and the cover 3 are in sealing connection and form an assembly cavity isolated from an external space, the assembly cavity is communicated with the external space through the suction nozzle 4 to provide a gas source for forming high-pressure gas flow for the pump body 1, a gas outlet pipe 18 is arranged in the assembly cavity, one end of the gas outlet pipe 18 is communicated with a gas outlet of the pump body 1, and the other end of the gas outlet pipe 18 is communicated with the charging nozzle 5, so that the charging nozzle 5 is arranged isolated from the assembly cavity and discharges the high-pressure gas flow generated by the pump body 1. The inlet of the pump body 1 is exposed to the mounting chamber so that the inlet is accessible through the suction nozzle 4 to a source of air which creates a high pressure flow. When the air pump assembly 21 is in operation, the air suction nozzle 4 can provide an air source for the air inlet of the pump body 1 (as shown in fig. 4), and the air charging nozzle 5 can convey the high-pressure air flow generated by the air outlet of the pump body 1 so as to enable the pump body 1 to normally operate in the pump shell.

In this embodiment, the casing 2 is in a column shape, an assembly groove (as shown in fig. 3) with an opening at an end surface is provided in the casing 2, a sealing ring 6 is provided at a periphery of a notch of the assembly groove, and the cover body 3 is covered on the notch of the assembly groove and tightly clamps the sealing ring 6, so that the cover body 3 and the casing 2 are in sealing connection. The cover body 3 is covered on the notch of the assembly groove and is in sealing connection with the shell 2, so that air in the assembly cavity cannot leak out through a gap between the cover body 3 and the shell 2. In order to improve the connection tightness between the cover body 3 and the shell 2, a sealing ring 6 is arranged between the periphery of the cover body 3 and the periphery of the notch, and the sealing ring 6 is respectively in sealing fit with the cover body 3 and the shell 2 to play a role in sealing a gap between the cover body 3 and the shell 2.

In this embodiment, the circumference of the notch is provided with an annular caulking groove 7, the sealing ring 6 is embedded in the caulking groove 7, the circumference of the side end surface of the cover body 3 facing the housing 2 is provided with a convex ring 8, and the convex ring 8 is inserted into the caulking groove 7 and tightly clamps the sealing ring 6. The sealing ring 6 is embedded in the caulking groove 7, plays a role in radial limiting on the sealing ring 6, and prevents the sealing reliability between the cover body 3 and the shell 2 from being influenced by local section deflection of the sealing ring 6. The cover body 3 is covered on the shell 2 and extrudes the sealing ring 6 through the convex ring 8 inserted into the caulking groove 7, so that the sealing ring 6 is deformed under pressure and is respectively tightly attached to the groove wall of the caulking groove 7 and the surface of the convex ring 8.

In this embodiment, the cross-sectional profiles of the caulking groove 7 and the convex ring 8 are square, the width of the caulking groove 7 is matched with the width of the convex ring 8, the height of the convex ring 8 is smaller than the depth of the caulking groove 7, and the convex ring 8 is completely inserted into the caulking groove 7, so that the periphery of the cover body 3 is tightly attached to the periphery of the notch. During installation, the convex ring 8 is completely inserted in the caulking groove 7, so that the peripheral area of the cover body 3 except the convex ring 8 can be tightly attached to the peripheral area of the caulking groove 7, the side wall of the convex ring 8 is tightly attached to the side wall of the caulking groove 7, and the sealing reliability is improved by increasing the contact area between the cover body 3 and the shell body 2.

In this embodiment, the pump body 1 is fixedly connected in the assembly cavity through a vibration reduction assembly, the vibration reduction assembly includes a plurality of screws 9 separately disposed in the assembly cavity and vibration reduction members 10 (as shown in fig. 5) bridging between the screws 9 and the pump body 1, screw holes 13 are formed in the wall surface of the assembly groove far away from the notch, perforations 12 are formed in the cover body 3, and the screws 9 are screwed and locked with the corresponding screw holes 13 after penetrating through the sealing rings 11, the perforations 12 and the vibration reduction members 10, so as to seal the perforations 12. The end part of the screw rod 9 exposed out of the cover body 3 is provided with a limiting ring 14, the sealing ring 11 is sleeved on the section of the screw rod 9 between the limiting ring 14 and the cover body 3, and after the screw rod 9 is installed in place, the limiting ring 14 and the cover body 3 tightly clamp the sealing ring 11.

When in installation, firstly, the vibration damper 10 is fixedly sleeved on the pump body 1 through the second connecting part 16, and then the end part of the screw rod 9 sequentially passes through the sealing ring 11, the perforation 12 and the corresponding first connecting part 15, so that the pump body 1, the vibration damper 10, the screw rod 9 and the cover body 3 are assembled and connected; finally, the cover body 3 is covered on the notch of the assembly groove and is locked with the corresponding screw hole 13 by the end of the screw rod 9 in a threaded manner.

After the cover body 3 is installed in place, the cover body 3 is tightly attached to the notch of the assembly groove under the pulling action of the screw rod 9, the limiting ring 14 is matched with the cover body 3 to clamp the sealing ring 11, and the sealing and plugging effects on the through holes 12 are achieved.

In this embodiment, the damping member 10 includes a first connecting portion 15 through which the screw 9 passes, a second connecting portion 16 fixedly connected to the pump body 1, and a damping portion 17 bridging between the first connecting portion 15 and the second connecting portion 16. The first connecting part 15 is in a sleeve ring shape, so that the screw 9 can be conveniently connected in a penetrating way. The second connecting parts 16 are all in a sleeve shape, so that the second connecting parts are conveniently sleeved and fixedly connected with the pump body 1.

Embodiment two:

in comparison with the first embodiment, the present embodiment provides a controller 28.

The controller 28 shown in fig. 6 is composed of a shell 19 with a mounting cavity, a solenoid valve assembly 20, an air pump assembly 21 and a circuit board, wherein the solenoid valve assembly 20, the air pump assembly 21 and the solenoid valve assembly 20 are suspended on a suspension 22 through a vibration damping belt 29, and the suspension 22 is lapped on the bottom wall of the mounting cavity through a silica gel foot pad 23. The circuit board controls the solenoid valve assembly 20 and the air pump assembly 21 to operate, and high-pressure air flow generated by the operation of the air pump assembly 21 is conveyed to the target space under the guidance of the solenoid valve assembly 20, so that the air pressure in the target space is adjustable.

In this embodiment, the air pump assembly 21 and the electromagnetic valve assembly 20 are suspended on the suspension 22 through the vibration damping belt 29, and the suspension 22 is lapped on the bottom wall of the installation cavity through the silica gel foot pad 23, so that vibration generated by the operation of the air pump assembly 21 and the electromagnetic valve assembly 20 can be sequentially counteracted by deformation of the vibration damping belt 29 and the silica gel foot pad 23, vibration of the shell 19 is reduced through multistage vibration damping, noise generated during the operation of the controller 28 is further reduced, and the influence on sleeping of a user is reduced.

In this embodiment, a pipeline assembly is disposed in the controller 28, and the pipeline assembly includes a noise reduction box, an internal pipe connected between the air pump assembly 21 and the electromagnetic valve assembly 20 in a bridging manner, and an external pipe connected to the electromagnetic valve assembly 20 and the external target space. The built-in pipes are completely hidden in the shell 19, and the number of the built-out pipes is multiple, so that the built-in pipes can be communicated with different target spaces. The high-pressure air flow generated by the operation of the air pump assembly 21 is transmitted to the electromagnetic valve assembly 20 through the built-in pipe, and the electromagnetic valve assembly 20 guides the high-pressure air to flow to the air bag forming the target space for conveying through opening and closing control, so that the hardness of the air bag is adjustable.

In this embodiment, the air suction nozzle 4 and the air charging nozzle 5 are in switching communication with the target space through a solenoid valve assembly 20. When the target space is single, the target space is in switching connection with the air suction nozzle 4 and the air charging nozzle 5 through the electromagnetic valve assembly 20, so that independent air discharging operation and independent air charging operation are realized; when the target space is a plurality of, the electromagnetic valve assembly 20 can independently connect the air suction nozzle 4 and the air charging nozzle 5 with each target space, so that independent air discharging operation and air charging operation on a single target space can be realized, and air transferring between different target spaces can be realized.

Other structures and effects of the air pump assembly in this embodiment are the same as those of the embodiment, and will not be described again.

Embodiment III:

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

The bed shown in fig. 7 is composed of a mattress body, the mattress body comprises a comfort layer 30, an adjusting layer and a spring layer 24 which are sequentially arranged from top to bottom, the adjusting layer comprises a front sponge section 25, a middle adjusting section 27 and a rear sponge section 26 which are sequentially arranged from front to back, soft and hard adjustable air bags are arranged in the middle adjusting section 27, a controller 28 for controlling the soft and hard of the air bags is arranged in the rear sponge section 26, and the controller 28 is connected with the air bags through air pipes. The controller 28 is arranged in the pad body, the distance between the controller 28 and the middle adjusting section 27 is effectively shortened, the pipeline arrangement is facilitated, the vibration generated by the operation of the air pump assembly 21 and the electromagnetic valve assembly 20 is prevented from being transmitted to the pad body through the shell 19 by arranging the multistage vibration reduction structure, and the user is ensured to have better sleeping experience.

In this embodiment, the cushion includes an outer cover that integrally encloses the comfort layer 30, the adjustment layer, and the spring layer 24. The comfort layer 30 may be closely adhered to the surface of the user to enhance comfort by increasing the contact area. The hardness adjustment is realized to the adjustment layer through controlling the internal atmospheric pressure of gasbag for the soft hardness of pad body is adjustable, satisfies the user demand of user differentiation. The spring layer 24 can provide overall support for the user.

In this embodiment, the controller 28 is disposed in the cushion body, so that the distance between the controller 28 and the air bag is effectively shortened, and the pipeline is conveniently laid.

Other structures and effects of the controller in this embodiment are the same as those in the second embodiment, and will not be described again.

Claims (10)

1. The utility model provides an air pump assembly, includes the pump case of interior assembly chamber and sets up pump body (1) in the assembly intracavity, its characterized in that, the pump case includes sealing connection's casing (2) and lid (3), be equipped with on lid (3) with assembly chamber suction nozzle (4) and with pump body (1) gas outlet intercommunication's charging connector (5), pump body (1) obtain the air supply through suction nozzle (4) and compress into the high-pressure air current that forms and arrange outside through charging connector (5), the target space through with suction nozzle (4) or charging connector (5) switch through and link and realize the atmospheric pressure regulation.

2. An air pump assembly according to claim 1, wherein the housing (2) is columnar, an assembling groove with an opening at the end surface is arranged in the housing (2), a sealing ring (6) is arranged at the periphery of a notch of the assembling groove, and the cover body (3) covers the notch and tightly clamps the sealing ring (6), so that the cover body (3) and the housing (2) are in sealing connection.

3. An air pump assembly according to claim 2, wherein the periphery of the notch is provided with an annular caulking groove (7), the sealing ring (6) is embedded in the caulking groove (7), the periphery of the side end face of the cover body (3) facing the shell (2) is provided with a convex ring (8), and the convex ring (8) is inserted into the caulking groove (7) and tightly clamps the sealing ring (6).

4. An air pump assembly according to claim 3, wherein the cross-sectional profiles of the caulking groove (7) and the convex ring (8) are square, and the width of the caulking groove (7) is matched with the width of the convex ring (8), so that the wall of the caulking groove (7) is abutted against the side wall of the convex ring (8); or the height of the convex ring (8) is smaller than the depth of the caulking groove (7), and the convex ring (8) is completely inserted into the caulking groove (7) so as to enable the periphery of the cover body (3) to be tightly attached to the periphery of the notch.

5. An air pump assembly according to claim 2, characterized in that the pump body (1) is fixedly connected in the assembly cavity through a vibration reduction assembly, the vibration reduction assembly comprises a plurality of screws (9) which are respectively arranged in the assembly cavity and vibration reduction pieces (10) which are bridged between the screws (9) and the pump body (1), screw holes (13) are formed in the wall surface, far away from the notch, of the assembly groove, a through hole (12) is formed in the cover body (3), and the screws (9) penetrate through the sealing ring (11), the through hole (12) and the vibration reduction pieces (10) and are locked in a screwed mode with the corresponding screw holes (13) so as to seal the through hole (12).

6. An air pump assembly according to claim 5, characterized in that the end of the screw rod (9) exposed out of the cover body (3) is provided with a limiting ring (14), the sealing ring (11) is sleeved on the section of the screw rod (9) between the limiting ring (14) and the cover body (3), and after the screw rod is installed in place, the limiting ring (14) and the cover body (3) tightly clamp the sealing ring (11); or the vibration damper (10) comprises a first connecting part (15) for the screw rod (9) to penetrate, a second connecting part (16) sleeved and fixedly connected on the pump body (1), and a vibration damper (17) bridged between the first connecting part (15) and the second connecting part (16).

7. An air pump assembly according to claim 1, characterized in that an air outlet pipe (18) is arranged in the assembly cavity, one end of the air outlet pipe (18) is communicated with the air outlet of the pump body (1), and the other end of the air outlet pipe is communicated with the air charging nozzle (5) so as to isolate the air charging nozzle (5) from the assembly cavity; alternatively, the inlet of the pump body (1) is exposed to the mounting chamber so that the inlet is accessible to a source of high pressure air through the suction nozzle (4).

8. A controller using the air pump assembly according to any one of claims 1 to 7, comprising a housing (19) with a mounting cavity therein, and a solenoid valve assembly (20), an air pump assembly (21) and a circuit board disposed in the mounting cavity, wherein the air pump assembly (21) and the solenoid valve assembly (20) are suspended on a suspension (22) through a vibration damping belt (29), and the suspension (22) is lapped on the bottom wall of the mounting cavity through a silicone foot pad (23).

9. A controller according to claim 8, wherein a pipeline assembly is arranged in the controller, the pipeline assembly comprises a noise reduction box, an internal pipe connected between the air pump assembly (21) and the electromagnetic valve assembly (20) in a bridging way and an external pipe communicated with an external target space by the electromagnetic valve assembly (20), and the noise reduction box is connected in series with the internal pipe or the external pipe; or the air suction nozzle (4) and the charging nozzle (5) are in switching communication with the target space through the electromagnetic valve assembly (20).

10. A bed using the controller of claim 8 or 9, comprising a cushion body, characterized in that, the cushion body includes comfortable layer (30), adjustment layer and spring layer (24) that top-down set gradually, adjustment layer includes leading sponge section (25), in put adjustment section (27) and rear-mounted sponge section (26) that set gradually from front to back, be equipped with soft or hard adjustable gasbag in putting adjustment section (27), set up in the rear-mounted sponge section (26) and be used for controlling gasbag hardness's controller (28), controller (28) are connected with the gasbag through the trachea.