Variable-flow air pump assembly, control box and inflatable bed

Abstract

The utility model relates to the field of air cushion beds, in particular to a variable-flow air pump assembly, a control box and an inflatable bed. An existing air pump assembly is inflexible in air supply adjustment, air pumps cannot be adjusted in a mutual assistance mode, air conveying stability and reliability are poor, and use of an air cushion bed can be affected. The utility model provides a variable-flow air pump assembly, a control box using the variable-flow air pump assembly and an inflatable bed using the control box. The air pump assembly comprises an air pump, an air box and an air path connecting the air pump and the air box, the air pump is provided with an air outlet nozzle, the air box is provided with an air inlet connector and an air outlet connector, the air pump is provided with a plurality of air boxes, the air box is provided with a plurality of air inlet connectors and a public air outlet connector, and the air outlet nozzles and the air inlet connectors are in one-to-one matching and sealing connection. As all the air pumps are connected with one air box to form multi-path input air supply, the air pumps can be flexibly started according to working conditions, air supply of the air supply boxes can be adjusted in a mutual assistance mode, the air supply flow and air pressure of air supply of the air boxes are stable and reliable, and when some air pumps fail to work, other air pumps can also supplement air.

Description

Technical Field

[0001] The utility model relates to the field of air mattresses, in particular to an air pump component with variable flow, a control box and an inflatable mattress. Background Art

[0002] Existing air mattresses use a built-in control box to inflate the airbags. The control box is equipped with a controllable air pump assembly to supply air to the airbags. The airbag assembly includes an air pump, an air box, and a connecting air path. During operation, the controller controls the air pump to output air. The air is buffered by the air box and then supplied to the airbags to make them swell to achieve elastic support, or repeatedly inflate and deflate to achieve massage. The air box can buffer the high-flow air output by the air pump, reduce the noise generated by the excessively fast air flow, and achieve the effect of noise reduction. Common air pump assemblies include multiple air pumps and air boxes. Each air pump is matched and docked with an air box. The output air path of each air box can only supply air to the preset associated airbags. This air pump assembly with multiple air pumps and multiple air boxes matched one by one is not flexible enough in air supply regulation. Since the air outlet of the air box is bound to the airbag to form a fixed air path, the air pumps cannot help each other to adjust the air flow and air pressure of the air path. The air supply is unstable and the reliability is poor. When a problem occurs with an individual air pump and it cannot work normally, the corresponding air path will be insufficiently supplied or even cut off, affecting the normal use of the air mattress. Utility Model Content

[0003] In order to solve the technical problems of the existing air pump assembly in air supply, such as inflexible air supply adjustment, inability to assist in adjusting air supply, unstable air supply, poor reliability, and influence on the use of air mattresses, the utility model provides a variable flow air pump assembly and a control box using the same, and an inflatable bed using the control box. All air pumps in the air pump assembly are connected to the same air box to form a multi-pass air supply path. When working, each air pump can be selectively and flexibly opened according to actual working conditions to coordinate air supply to the air box, thereby changing the air supply flow and air pressure of the air box. The air box can uniformly supply air to the airbag stably and reliably. Even if individual air pumps have problems and cannot work normally, the shortfall can be made up by adjusting other air pumps.

[0004] The utility model solves the technical problem by adopting the following technical solution: a variable flow air pump assembly, comprising an air pump and an air box and an air path connecting the two, an air outlet nozzle is provided on the air pump, an air inlet joint and an air outlet joint are provided on the air box, and the air pump is provided with a plurality of air pumps and an air box is provided with an air inlet joint and an air outlet joint, wherein the air pump has a plurality of air pumps and the air box has a plurality of air inlet joints and a common air outlet joint, and the air outlet nozzles of each air pump are sealed and docked with each air inlet joint to form an air path. The air pump assembly of the utility model is changed from the original air pump and air box paired with each other to transmit air to a plurality of air pumps docking with a common air box, and when working, all air pumps can be flexibly selected to be partially or fully opened according to the actual working conditions, and the air flow and air pressure of the air box supply can be changed, such as when a quiet sleep is needed, one or a small number of air pumps can be opened to work, and when a massage is needed, multiple or all air pumps can be opened to work together; when an individual air pump has a problem and cannot work normally, other air pumps can also make up the required air volume and air pressure by increasing the air outlet, so that the common air box can stably and reliably transmit air to the outside, and ensure that the air pump assembly works reliably to meet the air transmission.

[0005] As a further improvement and supplement to the above technical solution, the utility model adopts the following technical measures: at least two air inlet connectors are provided on the air box. The air box is provided with two or more air inlet connectors so as to simultaneously connect more air pumps to adjust the air flow, thereby realizing rapid changes in the air flow of the air pump assembly to meet the inflation requirements of the air mattress.

[0006] The air inlet connector is arranged in a concave hole formed inwardly on the surface of the air box, the air outlet nozzle is sealed and plugged in communication with the corresponding air inlet connector, and the side wall of the concave hole surrounds the first connector pipe to form an annular groove.

[0007] The air inlet joint includes a first joint tube provided on the surface of the air box and connected to the inner cavity, and an elastic sealing sleeve sleeved thereon. The sealing sleeve is a double-layer structure composed of an inner tube wall and an outer tube wall, and the inner tube wall and the outer tube wall are connected as a whole at the front end of the sealing sleeve. The outer tube wall is tightly sleeved outside the first joint tube, and the inner tube wall is inserted into the first joint tube to form a plug-in channel for docking the air outlet nozzle. The air outlet nozzle is tightly matched with the air inlet joint by inserting the plug-in channel to form an air path. The elastic sealing sleeve is installed on the first joint tube through the outer tube wall, and the inner tube wall is inserted into the first joint tube to form a plug-in channel for docking the air outlet nozzle. When the air outlet nozzle and the air inlet joint are plugged and connected, the inner tube wall is elastically pressed between the air outlet nozzle and the first joint tube to seal the connection between the air outlet nozzle and the air inlet joint.

[0008] The air pump and the air box are arranged in a detachable shell, the shell is provided with an opening matching the air outlet joint, the shell is provided with a shock-absorbing assembly for shock and noise reduction of the air pump and the air box, the shock-absorbing assembly includes an air pump shock-absorbing sleeve tightly sleeved outside the air pump and an air box shock-absorbing sleeve tightly sleeved outside the air box, the air pump shock-absorbing sleeve is suspended on the inner wall of the shell, and the air box shock-absorbing sleeve is close to the inner wall of the shell. The air pump and the air box are integrated into a shell as a whole to optimize the structure of the air pump assembly, which is not only more compact, but also can be prefabricated in advance and mass-produced, which is convenient for the assembly and production of the subsequent control box; the opening on the shell is used to match the air outlet joint of the air box, which is convenient for the air box to transmit gas outward; the air pump and the air box are each equipped with a corresponding shock-absorbing sleeve for noise reduction and shock reduction, and the two shock-absorbing sleeves each have the function of installing and positioning the air pump and the air box, wherein the air pump shock-absorbing sleeve makes the air pump suspended in the shell, and the air box shock-absorbing sleeve is close to the inner wall of the shell so that the air box is tightly arranged in the shell.

[0009] The air pump shock-absorbing sleeve is provided with a plurality of through holes corresponding to the shape and number of the air pump, and the air pump shock-absorbing sleeve is provided with a plurality of hanging ears with holes along the periphery, and the inner wall of the shell is provided with a mounting column for receiving the hanging ears; the air box shock-absorbing sleeve is provided with an annular hole matching the shape of the air box. The air pump shock-absorbing sleeve is mounted on the air pump through the through holes, and is mounted on the inner wall of the shell using the hanging ears on the periphery, specifically, the holes on the hanging ears are used to mount the mounting columns, and the air pump is suspended in the shell; the air box shock-absorbing sleeve is tightly mounted on the outside of the air box and is close to the inner wall of the shell, and the air box is also tightly mounted in the inner cavity of the shell.

[0010] The air pump shock-absorbing sleeve is formed by connecting annular bodies arranged in a row and arc-shaped edges of two adjacent annular bodies in an integral manner. The inner periphery of the annular bodies surrounds the through hole. The hanging ears are arranged on the outer periphery of the annular bodies at both ends of the air pump shock-absorbing sleeve, and the hanging ears can be folded and retracted along the length direction. The annular bodies are tightly fitted to install the air pump through the inner edge holes, the arc-shaped edges connect all the annular bodies into an integrated structure, and the hanging ears suspend the air pump shock-absorbing sleeve and the air pump in the shell; when the air pump generates vibration during operation, the hanging ears and the arc-shaped edges can be elastically deformed to absorb and alleviate the vibration generated by the operation of the air pump, and prevent the vibration from spreading outward and affecting other components.

[0011] The second purpose of the invention of the utility model is to provide a control box, including a matching bottom box and a box cover, an air pump assembly and a controller arranged in the inner cavity of the bottom box, the air pump assembly including an air pump and an air box and a connecting air path, the bottom box is provided with an air delivery port connected to the air box, and is characterized in that the air pump assembly is a variable flow air pump assembly as described in one of the above. During operation, all the air pumps in the control box can be flexibly selected to be partially or fully opened according to the actual working conditions, supply air to the air box, change the air delivery flow and air pressure of the air box, and the control box supplies air to the outside. Even if individual air pumps cannot work normally, other air pumps can make up for the air volume and air pressure by increasing the air output, and the control box can stably and reliably deliver air to the outside, ensuring that the control box works reliably to meet the air delivery requirements.

[0012] The variable flow air pump assembly is integrated in a housing, and the housing and the controller are arranged on a suspension, and the suspension is connected to an elastic hanging rod through a plurality of shock-absorbing legs, and the hanging rod is fixed in the bottom box. The utility model integrates the air pump and the air box in a housing, optimizes the structure, makes it possible to make the air pump assembly compact and save space, so as to further reduce the volume of the control box; the integrated air pump assembly can be prefabricated in advance and mass-produced, which facilitates the subsequent assembly and production of the control box; the integrated air pump assembly is installed on the elastic hanging rod through a suspension with shock-absorbing legs, and the shock-absorbing legs and the hanging rod can play a role in shock absorption and noise reduction, alleviate the impact of the working vibration of the air pump assembly, and the control box works quietly with little vibration, making the inflatable mattress quieter to use.

[0013] The third purpose of the invention of the utility model is to provide an inflatable bed, including a bed frame, a mattress with an air bag built in, and a control box for supplying air to the air bag, the control box being connected to the air bag through an air pipe, and characterized in that the control box is one of the control boxes described above, and the control box is externally placed on the mattress and arranged on the bed frame. The inflatable bed using the aforementioned control box has convenient air flow adjustment and fast response during operation, and the air supply to the air bag is stable and reliable, and there is no need to worry about individual air pump problems affecting air supply and normal use of the inflatable bed, and the inflatable bed has low vibration and low noise when inflated.

[0014] The utility model provides a variable flow air pump assembly and a control box using the same, as well as an inflatable bed using the control box. All air pumps in the air pump assembly are connected to the same air box to form a multi-pass air supply path. When working, each air pump in the air pump assembly can be selectively and flexibly opened according to actual working conditions, coordinated to supply air to the air box, and change the air supply flow and air pressure of the air box. The air box uniformly supplies air to the airbag stably and reliably. Even if a problem occurs with an individual air pump and it cannot work normally, the shortage can be supplemented by adjusting other air pumps. The control box with the air pump assembly has a stable and reliable air supply. The inflatable bed using the control box is quick and convenient to inflate when working, and has low vibration and low noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 : Structural explosion diagram of Example 1.

[0016] Figure 2 : Cross-sectional view of embodiment 1 after assembly.

[0017] Figure 3 : Figure 2 Enlarged view of part A.

[0018] Figure 4 : Schematic diagram of the sealing sleeve in Example 1.

[0019] Figure 5 : Schematic diagram of the gas box structure in Example 1.

[0020] Figure 6 : A cross-sectional view of the assembly of the air pump shock-absorbing sleeve, the air pump and the housing in Example 1.

[0021] Figure 7 : A cross-sectional view of the assembly of the air box shock-absorbing sleeve, the air box and the shell in Example 1.

[0022] Figure 8 : Cross-sectional view of Example 2.

[0023] Fig. 9 : Schematic diagram of Example 3.

[0024] In the figure: 1. air pump, 1-1. air outlet nozzle, 2. air box, 2-1. air inlet joint, 2-11. first joint pipe, 2-12. sealing sleeve, 2-13. inner tube wall, 2-14. outer tube wall, 2-2. air outlet joint, 3. shell, 3-1. opening, 3-2. mounting column, 4. plug-in channel, 5. ring groove, 6. air pump shock-absorbing sleeve, 6-1. through hole, 7. air box shock-absorbing sleeve, 7-1. annular hole, 8. hanging ear, 9. annular ring, 10. arc edge, 11. bottom box, 12. box cover, 13. hanging rod, 14. shock-absorbing support foot, 15. air pipe, 16. suspension, 17. control box, 18. bed frame, 19. mattress. DETAILED DESCRIPTION

[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods.

[0026] like Figure 1-7 As shown, Example 1 is a variable flow air pump assembly, including multiple air pumps 1 and an air box 2 and an air path connecting the air pumps and the air box. This embodiment preferably has three air pumps 1, each air pump 1 is provided with an air outlet nozzle 1-1, and the air box 2 is provided with three air inlet connectors 2-1 corresponding to the number of air pumps and a common air outlet connector 2-2. The air outlet nozzles 1-1 of the three air pumps 1 are sealed and connected with the three air inlet connectors 2-1 to form an air path.

[0027] The air pump assembly in this embodiment has been changed from the original air pump nozzles that were paired together to supply air to multiple air pumps connected to a common air box. When working, all the air pumps can be flexibly selected to be partially or fully opened according to actual working conditions, to supply air to the air box, and the air supply flow rate and air pressure of the air box can be changed. For example, when a quiet sleep is required, one or a small number of air pumps can be turned on to work; if massage is required, multiple or all air pumps can be turned on to work together; when individual air pumps have problems and cannot work normally, other air pumps can also increase the air output to supplement the required air volume and air pressure, so that the common air box can stably and reliably supply air to the outside, ensuring that the air pump assembly can work reliably to meet the air supply needs.

[0028] Furthermore, the air inlet connector 2-1 is arranged in a concave hole formed by the concave surface of the air box 2, the air outlet nozzle 1-1 and the corresponding air inlet connector 2-1 are sealed and plugged in and connected, and the side wall of the concave hole surrounds the first connector tube 2-11 to form an annular groove 5; the air inlet connector 2-1 includes a first connector tube 2-11 arranged on the surface of the air box 2 and connected to the inner cavity, and an elastic sealing sleeve 2-12 sleeved thereon; the sealing sleeve 2-12 is preferably made of silicone material, and has a double-layer structure composed of an inner tube wall 2-13 and an outer tube wall 2-14, the inner tube wall and the outer tube wall are connected as a whole at the front end position of the sealing sleeve 2-12, the outer tube wall 2-14 is tightly sleeved on the outside of the first connector tube 2-11, and the inner tube wall 2-13 is inserted into the first connector tube 2-11 to form a plug-in channel 4 for docking the air outlet nozzle 1-1, and the air outlet nozzle 1-1 is tightly matched with it by being inserted into the plug-in channel 4 to achieve sealed docking with the air inlet connector 2-1 to form an air path.

[0029] The air inlet joint is arranged in the concave on the surface of the air box, which can shorten the length occupied by the air inlet nozzle and the air inlet joint, thereby saving the space occupied by the installation and making the overall structure of the air pump assembly more compact. The air inlet joint and the air inlet nozzle are connected by plugging, which eliminates the problems of pipeline winding and arrangement caused by the original air pipe connection, and is convenient for disassembly and assembly. The sealing sleeve is installed on the first joint pipe through the outer pipe wall, and the inner pipe wall is inserted into the first joint pipe to form a plug-in channel for docking the air outlet nozzle. When the air outlet nozzle and the air inlet joint are plugged and connected, the inner pipe wall is elastically pressed between the air outlet nozzle and the first joint pipe to seal the connection between the air outlet nozzle and the air inlet joint.

[0030] Furthermore, the air pump 1 and the air box 2 are both arranged in a detachable shell 3. As shown in the figure, the shell 3 is composed of two left and right shells connected by screws. Three air pumps are installed in one of the shells, and the air box is installed in the other shell. The shell 3 is provided with an opening 3-1 matching the air outlet connector 2-2. The shell 3 is provided with a shock-absorbing component for reducing shock and noise of the air pump 1 and the air box 2. The shock-absorbing component includes an air pump shock-absorbing sleeve 6 tightly mounted on the outside of the air pump 1 and an air box shock-absorbing sleeve 7 tightly mounted on the outside of the air box 2. The air pump shock-absorbing sleeve 6 is suspended on the inner wall of the shell 3, and the air box shock-absorbing sleeve 7 is close to the inner wall of the shell 3.

[0031] The air pump and the air box are integrated into a shell as a whole, with a compact and optimized structure. They can be prefabricated in advance for mass production, which is convenient for the subsequent production of the control box. The opening on the shell is used to match the air outlet connector of the air box, where the air outlet connector can directly extend from the opening to the shell to connect to the air pipe leading to the airbag. The air pump and the air box are both equipped with corresponding shock-absorbing sleeves for noise reduction and shock absorption. The air pump shock-absorbing sleeve suspends the air pump in the shell, and the air box shock-absorbing sleeve is close to the inner wall of the shell so that the air box is tightly set in the shell.

[0032] Furthermore, three through holes 6-1 corresponding to the shape of the air pump 1 are arranged in a row on the air pump shock absorbing sleeve 6. The specific air pump shock absorbing sleeve 6 in this embodiment is composed of circular bodies 9 arranged in a row and arc-shaped edges 10 of two adjacent circular bodies connected in one piece. The inner circumference of the circular body 9 surrounds the aforementioned through holes 6-1. The hanging ears 8 are arranged on the outer circumference of the circular body 9 at both ends of the air pump shock absorbing sleeve 6. Four hanging ears 8 with holes are arranged, and each hanging ear 8 can be folded and retracted along its length direction. Four mounting columns 3-2 and the hanging ears 8 are matched with the hanging ears on the inner wall of the shell 3; the air box shock absorbing sleeve 7 is provided with an annular hole 7-2 matching the shape of the air box 2, and the air box 2 is sleeved in the annular hole and tightly fits with the air box shock absorbing sleeve.

[0033] The air pump shock-absorbing sleeve is sleeved and installed with three air pumps through three through holes on it, and is sleeved with four hanging ears and four mounting columns on the periphery, and then installed on the inner wall of the shell, and then the three air pumps are suspended in the shell; the air box shock-absorbing sleeve is tightly sleeved outside the air box and close to the inner wall of the shell, and the air box is also tightly set in the inner cavity of the shell. When the air pump generates vibration during operation, the hanging ears and the arc-shaped edges can be elastically deformed to absorb and alleviate the aforementioned vibration, and prevent the vibration from spreading outward and affecting other components.

[0034] like Figure 8 As shown, Example 2 is a control box, including a matching base box 11 and a box cover 12, an air pump assembly and a controller (not shown in the figure) arranged in the inner cavity of the base box 11, the air pump assembly includes an air pump 1 and an air box 2 and a connecting air path, the base box 11 is provided with an air delivery port connected to the air box 2, the air pump assembly is the variable flow air pump assembly described in Example 1, the variable flow air pump assembly is integrated in a shell, the shell and the controller are arranged on a suspension 16, the suspension 16 is connected to an elastic hanging rod 13 through a plurality of shock-absorbing legs 14, the hanging rod is preferably spring steel, and the hanging rod 13 is fixed in the base box 11 by screws installed at both ends.

[0035] When working, all the air pumps in the control box can be flexibly selected to be partially or fully opened according to the actual working conditions, supply air to the air box, adjust and change the air supply flow and air pressure of the air box, and then change the external air supply state of the control box. Even if some air pumps have problems and cannot work normally, other air pumps can also increase the air output to make up for the air volume and air pressure, so that the control box can stably and reliably supply air to the outside to meet the air supply needs of the inflatable bed. The air pump and the air box are integrated in a shell, the air pump assembly has a compact structure and saves space, and the entire volume of the control box can be further reduced; the air pump assembly in the control box can be prefabricated and mass-produced separately, which is convenient for the assembly and production of the control box; the air pump assembly is installed on an elastic hanging rod through a suspension with shock-absorbing feet. The shock-absorbing feet and the hanging rod can play a role in shock absorption and noise reduction, alleviate the impact of the working vibration of the air pump assembly, make the control box work quietly and vibrate less, and then the inflatable bed is quieter to use.

[0036] like Fig. 9 As shown, embodiment 3 is an inflatable bed, comprising a bed frame 18, a mattress 19 with built-in airbags, and a control box 17 for supplying air to the airbags. The control box 17 is connected to the airbags through an air pipe 15. The control box 17 is the control box described in embodiment 2. The control box 17 is externally disposed on the mattress 19 and is also disposed on the bed frame 18. In addition, the airbags in the mattress can be inflated to provide support, or repeatedly inflated for massage, or the mattress can be provided with the aforementioned two different functions of airbags at the same time, and these airbags need to be supplied with air by the control box.

[0037] The inflatable bed uses the above-mentioned control box to inflate the airbag. When the control box is working, the gas flow rate can be easily adjusted and the response is fast. The gas supply is stable and reliable. There is no need to worry about problems with individual air pumps affecting the normal use of the gas supply and the inflatable bed. The control box also has low vibration and noise when working, so the inflatable bed can also be used more quietly.

Claims

1. A variable flow air pump assembly, comprising an air pump (1) and an air box (2) and an air path connecting the two, wherein the air pump (1) is provided with an air outlet nozzle (1-1), and the air box (2) is provided with an air inlet connector (2-1) and an air outlet connector (2-2), ... outlet connector (2-2), wherein the air pump (1) is provided with an air outlet nozzle (1-1), and the air box (2) is provided with an air outlet connector (2-2), wherein the air pump (1) is provided with an air outlet nozzle (1-1), and the air outlet nozzle (1-2) is provided with an air outlet nozzle (1-1), and the air pump (1) is provided with an air outlet nozzle (1-1), and the air outlet nozzle (1-2) is provided with an air outlet nozzle (1-1), and the air pump (1) is provided with an air outlet nozzle (1-2), and the air pump (1) is provided with an air outlet nozzle (1-1) and an air outlet nozzle (1-2) There are a plurality of air pumps (1) and a single air box (2); the air box (2) is provided with an equal number of air inlet connectors (2-1) and a common air outlet connector (2-2) as the number of air pumps (1); the air outlet nozzles (1-1) of the air pumps (1) are sealed and butted with the air inlet connectors (2-1) to form an air path.

2. The variable flow air pump assembly according to claim 1, characterized in that The gas box (2) is provided with at least two gas inlet connectors (2-1).

3. The variable flow air pump assembly according to claim 1, characterized in that The air inlet connector (2-1) is arranged in a concave hole formed by the inward concave surface of the air box (2); the air outlet nozzle (1-1) and the corresponding air inlet connector (2-1) are sealed and plugged in communication; the side wall of the concave hole surrounds the first connector pipe (2-11) to form an annular groove (5).

4. The variable flow air pump assembly according to claim 3, characterized in that The air inlet joint (2-1) comprises a first joint tube (2-11) disposed on the surface of the air box (2) and communicating with the inner cavity, and an elastic sealing sleeve (2-12) sleeved thereon; the sealing sleeve (2-12) is a double-layer structure composed of an inner tube wall (2-13) and an outer tube wall (2-14), and the inner tube wall and the outer tube wall are connected as one at the front end of the sealing sleeve (2-12); the outer tube wall (2-14) is tightly sleeved on the outside of the first joint tube (2-11); the inner tube wall (2-13) is inserted into the first joint tube (2-11) to form a plug-in channel (4) for docking with the air outlet nozzle (1-1); the air outlet nozzle (1-1) is inserted into the plug-in channel (4) to tightly fit with the air inlet joint (2-1) to form a gas path.

5. The variable flow air pump assembly according to claim 1, characterized in that The air pump (1) and the air box (2) are arranged in a detachable shell (3); an opening (3-1) matching the air outlet joint (2-2) is provided on the shell (3); a shock-absorbing component for reducing vibration and noise of the air pump (1) and the air box (2) is provided in the shell (3); the shock-absorbing component comprises an air pump shock-absorbing sleeve (6) tightly sleeved on the outside of the air pump (1) and an air box shock-absorbing sleeve (7) tightly sleeved on the outside of the air box (2); the air pump shock-absorbing sleeve (6) is suspended on the inner wall of the shell (3), and the air box shock-absorbing sleeve (7) is tightly attached to the inner wall of the shell (3).

6. The variable flow air pump assembly according to claim 5, characterized in that The air pump shock absorbing sleeve (6) is provided with a plurality of through holes (6-1) corresponding in shape and number to the air pump (1); the air pump shock absorbing sleeve (6) is provided with a plurality of hanging ears (8) with holes along the periphery; the inner wall of the shell (3) is provided with a mounting column (3-2) for sleeve-engaging the hanging ears (8); the air box shock absorbing sleeve (7) is provided with an annular hole (7-2) matching the shape of the air box (2).

7. The variable flow air pump assembly according to claim 6, characterized in that The air pump shock absorbing sleeve (6) is formed by annular bodies (9) arranged in a row and arcuate edges (10) connecting two adjacent annular bodies, the inner peripheries of the annular bodies (9) enclose the through holes (6-1), and the hanging ears (8) are arranged on the outer peripheries of the annular bodies (9) at both ends of the air pump shock absorbing sleeve (6), and the hanging ears (8) can be folded and retracted along their length direction.

8. A control box, comprising a matching bottom box (11) and a box cover (12), an air pump assembly and a controller arranged in the inner cavity of the bottom box (11), the air pump assembly comprising an air pump (1) and an air box (2) and a connecting air path, the bottom box (11) being provided with an air delivery port communicating with the air box (2), wherein: The air pump assembly is a variable flow air pump assembly according to any one of claims 1 to 7.

9. The control box according to claim 8, characterized in that The variable flow air pump assembly is integrated in a housing; the housing and the controller are arranged on a suspension (16); the suspension (16) is connected to an elastic hanging rod (13) via a plurality of shock-absorbing legs (14); the hanging rod (13) is fixed in the bottom box (11).

10. An inflatable bed, comprising a bed frame (18), a mattress (19) with an air bag built in, and a control box (17) for supplying air to the air bag, wherein the control box (17) is connected to the air bag via an air supply pipe (15), wherein: The control box (17) is the control box according to claim 8 or 9, and the control box (17) is placed outside the mattress (19) and is arranged on the bed frame (18).

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