Suspension type double-cavity air pump device

Abstract

The invention provides a suspension type double-cavity air pump device which comprises a shell, an air pump assembly and a suspension device, an installation space is formed in the shell, an air outlet connected with the installation space is formed in the shell, and the air pump assembly is suspended in the installation space through a suspension device; the soft sealing film is arranged in the mounting space, one end of the soft sealing film is connected with the shell, the other end of the soft sealing film is connected with the air pump assembly, and the soft sealing film is used for dividing the mounting space into a first cavity and a second cavity; the air pump assembly comprises an air inlet end and an air outlet end, the air inlet end is unidirectionally communicated with an air path of the air outlet end, the air inlet end is located in the first cavity, the air outlet end is located in the second cavity, and the air outlet end is communicated with the air outlet through the second cavity; the air pump assembly further comprises a driving mechanism and at least one actuating piece, and the driving mechanism and the actuating piece are used for pressurizing air sucked from the air inlet end. The suspension type double-cavity air pump device is convenient to assemble, and vibration and noise generated during working can be effectively reduced.

Description

Technical Field

[0001] The present disclosure generally relates to the technical field of automobile seat massage equipment, and in particular to a suspended double-chamber air pump device. Background Art

[0002] The existing car seat massage function is mainly realized by air pumps. Its working principle is to connect the air pump to the controller, which has a switch valve. The air pump is used as the air source. The air pump cooperates with the opening and closing of the switch valve to inflate and deflate the air bag to achieve the massage function. The traditional air pump is usually fixedly installed in the shell and assembled by a rubber ring. However, this assembly method is complicated and prone to installation errors. In addition, since the air pump body cannot avoid contact with the shell when working, vibration and noise are generated, and the working stability is poor. Summary of the invention

[0003] In view of the above defects or deficiencies in the prior art, it is desirable to provide a suspended dual-chamber air pump device to solve the above problems.

[0004] The present application provides a suspended dual-chamber air pump device, comprising: A housing, wherein the housing has an installation space, the housing is provided with an air outlet connected to the installation space, and the air pump assembly is suspended in the installation space through a hanger; A soft sealing membrane, wherein the soft sealing membrane is arranged in the installation space, one end of the soft sealing membrane is connected to the shell, and the other end is connected to the air pump assembly, and is used to separate the installation space into a first cavity and a second cavity; the air pump assembly comprises an air inlet end and an air outlet end, and an air path from the air inlet end to the air outlet end is unidirectionally connected, the air inlet end is located in the first cavity, the air outlet end is located in the second cavity, and the air outlet end is connected to the air outlet through the second cavity; The air pump assembly also includes a driving mechanism and at least one actuating member, wherein the driving mechanism and the actuating member are used to pressurize the gas sucked from the air inlet end.

[0005] According to the technical solution provided in the embodiment of the present application, the air pump assembly also includes an air distribution assembly, at least one air distribution passage is formed on the air distribution assembly, the actuator cooperates with the air distribution assembly to form an actuating chamber, the volume of the actuating chamber is variable, the air distribution passage connects the actuating chamber and the second chamber, the air distribution passage is unidirectionally conductive to the actuating chamber; the air distribution assembly also forms at least one air distribution cavity, the air distribution cavity connects the actuating chamber and the first chamber, the air distribution cavity is unidirectionally conductive to the actuating cavity; the outer shell is provided with an air inlet connecting the first chamber and the outside.

[0006] According to the technical solution provided in the embodiment of the present application, the shell includes an upper shell and a lower shell that are detachably connected, the air inlet is opened on the lower shell, and the air outlet is opened on the upper shell; the soft closing membrane is clamped between the upper shell and the lower shell.

[0007] According to the technical solution provided in the embodiment of the present application, the gas distribution assembly includes: An air distribution cushion, the air distribution cushion is elastic and is provided with at least one first air guide portion; A gas distribution cover, the gas distribution cover is arranged on a side of the gas distribution cushion close to the gas outlet, the gas distribution cover and the gas distribution cushion are covered to form the gas distribution cavity, the gas distribution cover is provided with at least one second gas guide portion, and the second gas guide portion is not connected with the gas distribution cavity; The air distribution bottom cover is arranged on a side of the air distribution cushion away from the air outlet, and at least one third air guide portion is opened on the air distribution bottom cover; the third air guide portion, the second air guide portion and the first air guide portion are interconnected and used to connect the actuating cavity and the second cavity.

[0008] According to the technical solution provided in the embodiment of the present application, the air distribution passage includes a first air inlet, a first air outlet, a second air inlet and a second air outlet, the first air inlet and the first air outlet are arranged on the air distribution pad, and the second air inlet and the second air outlet are arranged on the air distribution bottom cover; the second air inlet is connected to the first air inlet, and the air distribution cavity is connected to the first cavity through the second air inlet and the first air inlet; the second air outlet is connected to the first air outlet, and the air distribution cavity is connected to the actuating cavity through the second air outlet and the first air outlet, and the second air outlet is unidirectionally conductive to the actuating cavity.

[0009] According to the technical solution provided in the embodiment of the present application, the soft sealing membrane is arranged on the outer peripheral side of the air distribution cushion and is an integrated structure with the air distribution cushion.

[0010] According to the technical solution provided in the embodiment of the present application, the soft closing membrane is installed on the outer peripheral side of the driving mechanism, and the soft closing membrane is sleeved or clamped with the driving mechanism.

[0011] According to the technical solution provided in the embodiment of the present application, a side of the soft closing membrane close to the top of the upper shell also extends toward the upper shell and is connected to the upper shell.

[0012] According to the technical solution provided in the embodiment of the present application, an overflow device is also provided on the upper shell, and the overflow device connects the second cavity with the outside of the shell.

[0013] According to the technical solution provided in the embodiment of the present application, the hanger is a hollow structure.

[0014] Compared with the prior art, the beneficial effects of the present application are as follows: the air pump assembly is suspended in the installation space of the shell by a hanger, which effectively reduces the contact between the air pump assembly and the shell, thereby avoiding the vibration generated during the operation of the air pump assembly to be directly transmitted to the shell, thereby greatly reducing the shell vibration and the accompanying noise problems caused thereby, and installation is more convenient through the hanger, effectively reducing installation errors; by setting a soft closing membrane to separate the installation space into a first cavity and a second cavity, the gas can be fully buffered before and after entering the air pump assembly, and the gas can be accumulated stably in the first cavity, The air inlet end of the air pump assembly provides a stable air source, and in the second cavity, the high-pressure gas discharged from the air outlet end of the air pump assembly can be smoothly transitioned, effectively avoiding air flow fluctuations when air is directly supplied to the outside through the outlet, thereby ensuring the continuity and stability of the gas output. In addition, the soft closing membrane connecting the air pump assembly and the outer shell can also maintain the stability of the air pump assembly in the outer shell to a certain extent; by setting a driving mechanism and at least one actuator, not only is efficient pressurization capability provided for the inhaled gas, but the gas flow path is also optimized by separating the first cavity and the second cavity, thereby reducing energy loss and improving overall operating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings: Figure 1 A schematic diagram of the structure of the suspended dual-chamber air pump device provided in Example 1; Figure 2 for Figure 1 An exploded view of the suspended dual-chamber air pump device shown; Figure 3 for Figure 2 The structural schematic diagram of the air distribution assembly in the suspended double-chamber air pump device shown; Figure 4 for Figure 2 The structural schematic diagram of the hanger in the suspended double-chamber air pump device shown; Figure 5 for Figure 2 A bottom view of the air distribution top cover in the suspended double-chamber air pump device shown; Figure 6 for Figure 1 A cross-sectional view of the suspended dual-chamber air pump device shown; Figure 7 for Figure 1 A schematic diagram showing a suspended dual-chamber air pump device in which the soft sealing membrane is in a relaxed state; Figure 8A cross-sectional view of a suspended dual-chamber air pump device provided in Example 2; Fig. 9 A cross-sectional view of another cross section of the suspended dual-chamber air pump device provided in Example 2; Fig.10 A cross-sectional view of a suspended dual-chamber air pump device provided in Example 3; Fig.11 A cross-sectional view of a suspended dual-chamber air pump device provided in Example 4; Fig.12 A cross-sectional view of a suspended dual-chamber air pump device provided in Example 5; Fig.13 A cross-sectional view of another suspended dual-chamber air pump device provided in Example 5; Fig.14 A cross-sectional view of a suspended dual-chamber air pump device provided in Example 6; Fig.15 A cross-sectional view of a second suspended dual-chamber air pump device provided in Example 6; Fig.16 A cross-sectional view of a third suspended dual-chamber air pump device provided in Example 6; Fig.17 A schematic diagram of the structure of a suspended dual-chamber air pump device provided in Example 7; Fig.18 A cross-sectional view of a suspended dual-chamber air pump device provided in Example 7; Fig.19 Schematic diagram of air flow fluctuation when no overflow device is provided in Example 7; Fig. 20 This is a schematic diagram of air flow fluctuation when an overflow device is provided in Example 7; Fig.21 A schematic structural diagram of a suspended dual-chamber air pump device provided in Example 8; Fig. 22 This is a schematic structural diagram of the suspended dual-chamber air pump device provided in Example 9.

[0016] Figure numbers: 1, housing; 2, air outlet; 3, suspender; 4, soft sealing membrane; 5, first cavity; 6, second cavity; 7, driving mechanism; 8, actuator; 9, air distribution assembly; 10, actuator cavity; 11, air distribution cavity; 12, air inlet; 13, upper housing; 14, lower housing; 15, air distribution cushion; 16, air distribution top cover; 17, air distribution bottom cover; 18, first air guide; 19, second air guide; 20, third air guide; 21, first air inlet; 22, first air outlet; 23, second air inlet; 24, second outlet Air part; 25. Overflow device; 26. Air outlet nozzle; 27. Driving device; 28. Rotating part; 29. ​​Extrusion part; 30. Base; 31. Mounting seat; 32. Transmission shaft; 33. Swinging part; 34. Connecting part; 35. Connecting part; 36. First limiting part; 37. Partition wall; 38. Air guide cavity; 39. Mounting hole; 40. Air hole; 41. Air barrier; 42. Elastic air barrier; 43. Second limiting part; 44. Third limiting part; 45. Vibration-damping support; 46. Extension part; 47. Fourth limiting part; 48. Air pipe. DETAILED DESCRIPTION

[0017] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It is also necessary to explain that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.

[0018] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0019] Conventional air pumps are usually installed by installing the air pump body in a shell. Since the air pump body of this type of air pump contacts the inner wall of the shell at multiple points, the vibration generated by the air pump body when working is transmitted to the shell through the connection position with the shell, causing the shell to vibrate and produce noise, affecting the comfort of riding; and the installation method of conventional air pumps is relatively cumbersome, and it is not convenient to install the air pump body in the shell, and installation errors are prone to affect normal use. In view of the above problems, this application proposes a suspended dual-chamber air pump device.

[0020] Please refer to Figure 1-Figure 7 The present application provides a suspended dual-chamber air pump device, comprising: A housing 1, wherein the housing 1 has an installation space, an air outlet 2 connected to the installation space is provided on the housing 1, and the air pump assembly is suspended in the installation space through a hanger 3; A soft sealing membrane 4 is arranged in the installation space, one end of the soft sealing membrane 4 is connected to the housing 1, and the other end is connected to the air pump assembly, and is used to divide the installation space into a first cavity 5 and a second cavity 6; the air pump assembly includes an air inlet end and an air outlet end, and the air path from the air inlet end to the air outlet end is unidirectional, the air inlet end is located in the first cavity 5, the air outlet end is located in the second cavity 6, and the air outlet end is connected to the air outlet 2 through the second cavity 6; The air pump assembly further comprises a driving mechanism 7 and at least one actuating member 8, wherein the driving mechanism 7 and the actuating member 8 are used to pressurize the gas sucked from the air inlet end.

[0021] Specifically, the housing 1 is hollow inside to form an installation space, and an air outlet 2 is provided on the housing 1, the air outlet 2 communicates with the installation space and the outside of the housing 1, and the air outlet 2 may be connected to an air pipe 48, such as Figure 6 As shown, it is used to communicate with the air bag outside the shell 1 through the air pipe 48, and the air bag is regularly expanded and contracted by repeatedly inflating the air bag, thereby achieving a massage effect; in this embodiment, the air outlet 2 is an opening of the air outlet nozzle 26 arranged on the shell 1 away from the end of the shell 1. An air pump assembly is arranged in the installation space, and the air pump assembly is used to inflate the air bag outside the shell 1 through the air outlet 2. The air pump assembly is installed with the shell 1 through the hanger 3. The hanger 3 connects the top of the air pump assembly and the inner top wall of the shell 1 to suspend the air pump assembly in the installation space. The setting of the shell 1 is used to protect the air pump assembly on the one hand, and on the other hand, it is not easy to transmit the noise generated by the air pump assembly when it is working; the air pump assembly is not in direct contact with the shell 1, which reduces the number of contact positions between the air pump assembly and the shell 1, thereby reducing the path of vibration transmission between the air pump assembly and the shell 1 when it is working, so that the vibration will not be transmitted to the shell 1, so as to reduce the noise generated by the shell 1 due to vibration. In addition, the hanger 3 can be selected from elastic material, so as to reduce the stiffness of the contact position between the air pump assembly and the shell, so that the vibration transmitted to the shell 1 when the air pump assembly is working is further reduced; and because the outer wall of the air pump assembly is not tightly covered by the shell 1, it is conducive to heat dissipation of the air pump assembly when it is working; in addition, installing the air pump assembly through the hanger 3 reduces the difficulty of installation and reduces the error generated during installation.

[0022] like Figure 6 and Figure 7 As shown, a soft sealing membrane 4 is also provided in the installation space, and the soft sealing membrane 4 is provided between the side wall of the air pump assembly and the inner side wall of the housing 1. The soft sealing membrane 4 connects the air pump assembly and the housing 1, thereby dividing the installation space into a first cavity 5 and a second cavity 6, wherein the second cavity 6 is connected to the air outlet 2. An air inlet end and an air outlet end are provided on the air pump assembly, the air inlet end is connected to the first cavity 5, and the air outlet end is connected to the second cavity 6. When the air pump assembly is working, air is taken in from the first cavity 5 through the air inlet end, and air is discharged to the second cavity 6 through the air outlet end, thereby inflating the air bag through the air outlet 2.

[0023] Specifically, Figure 2 As shown, the air pump assembly also includes a driving mechanism 7 and at least one actuating member 8. The actuating member 8 is elastic. The driving mechanism 7 repeatedly squeezes the actuating member 8 so that the actuating member 8 can pressurize the gas entering the air pump assembly, thereby inflating the air bag. Optionally, the actuating member 8 is a leather cup. The air pump assembly is unidirectionally connected from the air inlet end to the air outlet end. Each time the driving mechanism 7 squeezes the actuating member 8, the gas in the air pump assembly is discharged through the air outlet end. When the driving mechanism 7 does not squeeze the actuating member 8, the actuating member 8 is driven by the driving mechanism 7 to reset, thereby allowing the gas to enter the air pump assembly from the air inlet end. In this embodiment, there are four actuating members 8, which are circumferentially distributed around the axis of the air pump assembly and installed through the mounting seat 31. When the driving mechanism 7 is working, the four actuating members 8 are repeatedly squeezed in sequence so that the four actuating members 8 pressurize the gas in sequence, thereby increasing the inflation frequency of the air bag and thereby increasing the massage frequency.

[0024] Furthermore, the driving mechanism 7 includes a driving device 27, a rotating member 28, and an extruding member 29. The rotating member 28 is rotatably arranged in the first cavity 5. The rotating member 28 is transmission-connected to the output shaft of the driving device 27. The driving device 27 can be optionally a motor. The driving device 27 is installed on the mounting seat 31 through the base 30; the extruding member 29 includes a transmission shaft 32 and a swinging member 33 connected to one end of the transmission shaft 32. The free end of the transmission shaft 32 is transmission-connected to the rotating member 28. A connecting portion 34 is provided on the peripheral side of the swinging member 33, and the connecting portion 34 is sleeved on the actuating member 8.

[0025] Specifically, Figure 2 As shown, the rotating member 28 is a torsion shaft, the swinging member 33 is a swing plate, the connecting portion 34 is arranged on the outer peripheral side of the swinging member 33, the connecting portion 34 is annular and sleeved on the position where the actuating member 8 extends, and is fixed to the actuating member 8; the rotating member 28 and the swinging member 33 are coaxially arranged with the driving device 27. The rotating member 28 is connected to the output shaft of the driving device 27 by transmission, and a hole is eccentrically arranged on the top surface of the rotating member 28, one end of the transmission shaft 32 extends into the hole and can rotate relative to the hole in the hole, and the rotation direction is around the axis of the transmission shaft 32 itself, the transmission shaft 32 is inclined toward the axis direction of the swinging member 33, and the other end is fixedly connected to the center of the swinging member 33.

[0026] When the driving device 27 rotates, the rotating member 28 is driven to rotate around the axis of the driving device 27. When the rotating member 28 rotates, the transmission shaft 32 is driven to make a circular motion around the axis of the driving device 27, thereby causing the swinging member 33 to rotate along with the transmission shaft 32. The connecting portion 34 located at the peripheral edge of the swinging member 33 is moved along the Figure 2 The vertical direction in the middle swings up and down, thereby repeatedly squeezing the actuating member 8 so that the actuating member 8 switches between the natural state and the compressed state.

[0027] Furthermore, the air pump assembly also includes an air distribution assembly 9, on which at least one air distribution passage is formed, the actuator 8 cooperates with the air distribution assembly 9 to form an actuating chamber 10, the volume of the actuating chamber 10 is variable, an air distribution passage connects an actuating chamber 10 with the second cavity 6, and the air distribution passage is unidirectionally conductive to the actuating chamber 10; the air distribution assembly 9 also forms at least one air distribution chamber 11, an air distribution chamber 11 connects an actuating chamber 10 with the first cavity 5, and the air distribution chamber 11 is unidirectionally conductive to the actuating chamber 10; the outer shell 1 is provided with an air inlet 12 connecting the first cavity 5 and the outside.

[0028] Specifically, the air pump assembly further includes an air distribution assembly 9, which is used to distribute air between the first cavity 5 and each actuating member 8, and also used to distribute air between each actuating member 8 and the second cavity 6. The actuating member 8 is disposed on a side of the air distribution assembly 9 away from the air outlet 2, and the driving mechanism 7 is disposed on a side of the actuating cavity 10 away from the air distribution assembly 9. The actuating member 8 is pressed and covered on the air distribution assembly 9 by the driving mechanism 7. The actuating member 8 is covered on the air distribution assembly 9 so as to cooperate with the air distribution assembly 9 to form an actuating cavity 10. The actuating cavities 10 are not connected to each other. When the driving mechanism 7 squeezes the actuating member 8, the actuating cavity 10 is compressed, and when the driving mechanism 7 does not squeeze the actuating member 8, the actuating cavity 10 expands. The gas distribution assembly 9 is formed with a gas distribution passage, which is arranged one-to-one with the actuating member 8. In addition, each gas distribution assembly 9 is also formed with a gas distribution cavity 11, which is arranged one-to-one with the gas distribution passage. Each gas distribution passage is responsible for connecting the first cavity 5 with a gas distribution cavity 11, and connecting each gas distribution cavity 11 with the corresponding actuating cavity 10. The gas distribution cavity 11 is unidirectionally connected to the actuating cavity 10, so as to limit the gas from being discharged from the gas inlet end when the actuating cavity 10 is compressed, and to prevent the gas from returning from the gas distribution cavity 11 to the first cavity 5, thereby affecting the inflation efficiency. In order to facilitate the intake of gas into the first cavity 5, an air inlet 12 is also provided on the housing 1, and the air inlet 12 connects the first cavity 5 with the outside of the housing 1. When the gas in the first cavity 5 is sucked into the air pump assembly, the gas outside the housing 1 is replenished into the first cavity 5 through the air inlet 12.

[0029] Furthermore, the housing 1 comprises an upper shell 13 and a lower shell 14 which are detachably connected, the air inlet 12 is opened on the lower shell 14 , and the air outlet 2 is opened on the upper shell 13 ; the soft sealing membrane 4 is sandwiched between the upper shell 13 and the lower shell 14 .

[0030] Specifically, Figure 6 and Figure 7As shown, the housing 1 is composed of an upper housing 13 and a lower housing 14. In this embodiment, the upper housing 13 and the lower housing 14 are detachably connected by a snap connection. In other embodiments, the upper housing 13 and the lower housing 14 can also be installed by screw connection, bonding, etc. After the upper housing 13 and the lower housing 14 are installed, a snap connection groove is formed between the upper housing 13 and the lower housing 14. A snap connection portion corresponding to the snap connection groove is provided on the outer side of the soft sealing membrane 4. The soft sealing membrane 4 is connected to the housing 1 by the snap connection portion and the snap connection groove. The shape of the soft sealing membrane 4 is adapted to that of the housing 1. The soft sealing membrane 4 is pressed against the inner wall of the housing 1 by gas extrusion, thereby dividing the installation space into two parts, the first cavity 5 and the second cavity 6, and the first cavity 5 and the second cavity 6 can be sealed. The first cavity 5 is formed on a side close to the lower shell 14 , the second cavity 6 is formed on a side close to the upper shell 13 , the air inlet 12 is opened on the lower shell 14 , and the air inlet 12 is opened on the upper shell 13 , so that it is convenient to take air into the first cavity 5 and to exhaust air from the second cavity 6 .

[0031] Further, the gas distribution assembly 9 includes: The air distribution cushion 15 is elastic and has at least one first air guide portion 18; The gas distribution cover 16 is arranged on one side of the gas distribution cushion 15 close to the gas outlet 2. The gas distribution cover 16 and the gas distribution cushion 15 are covered to form a gas distribution cavity 11. The gas distribution cover 16 is provided with at least one second gas guide portion 19, and the second gas guide portion 19 is not connected to the gas distribution cavity 11. The air distribution bottom cover 17 is arranged on the side of the air distribution cushion 15 away from the air outlet 2, and at least one third air guide portion 20 is opened on the air distribution bottom cover 17; the third air guide portion 20, the second air guide portion 19 and the first air guide portion 18 are interconnected and used to connect the actuating cavity 10 and the second cavity 6.

[0032] Specifically, Figure 3As shown, the air distribution assembly 9 consists of three parts: an air distribution cushion 15, an air distribution top cover 16 and an air distribution bottom cover 17. The air distribution cushion 15 is elastic, the air distribution top cover 16 is close to the side of the air distribution cushion 15 close to the air outlet 2, and the air distribution bottom cover 17 is close to the side of the air distribution cushion 15 away from the air outlet 2. The air distribution cushion 15, the air distribution top cover 16 and the air distribution bottom cover 17 are connected by a connecting piece 35. The connecting piece 35 is rod-shaped and passes through the air distribution top cover 16, the air distribution cushion 15 and the air distribution bottom cover 17 in sequence to realize the assembly of the air distribution assembly 9. In this embodiment, the air distribution assembly 9 is fixed by four connecting pieces 35. It should be noted that the through hole of the connecting piece 35 passing through the air distribution top cover 16 is not connected to the air distribution cavity 11. The front end of the connecting member 35 is also provided with a first limiting portion 36, and the connecting member 35 also tightens and fixes the driving mechanism 7 and the gas distribution bottom cover 17 through the first limiting portion 36, thereby making the actuator 8 close to the gas distribution bottom cover 17. A partition wall 37 is provided on the side of the gas distribution top cover 16 close to the gas distribution cushion 15. After the gas distribution top cover 16 and the gas distribution cushion 15 are covered, the partition wall 37 cooperates with the side wall of the gas distribution top cover 16 to separate at least two areas that are not connected to each other. At least two areas include at least one gas distribution cavity 11. The area outside the gas distribution cavity 11 forms an air guide cavity 38. A second air guide portion 19 is provided at a position corresponding to the air guide cavity 38 on the gas distribution top cover 16. The second air guide portion 19 is a through hole opened on the gas distribution top cover 16. The second air guide portion 19 connects the air guide cavity 38 and the second cavity The air distribution bottom cover 17 is provided with a third air guide portion 20, which is a through hole provided on the air distribution bottom cover 17. The third air guide portion 20 is connected to the actuating cavity 10 and the first air guide portion 18. The third air guide portion 20 serves as the air inlet end of the air pump assembly. By setting the first air guide portion 18 and the second air guide portion 19, each actuating cavity 10 is connected with the air guide cavity 38, and then by setting the second air guide portion 19, the air guide cavity 38 is connected with the second cavity 6, thereby realizing the connection between each actuating cavity 10 and the second cavity 6; when the actuating cavity 10 is compressed, the gas in the actuating cavity 10 passes through the third air guide portion 20, the first air guide portion 18, the air guide cavity 38 and the second air guide portion 19 in sequence to the second cavity 6.

[0033] Furthermore, the air distribution passage includes a first air inlet 21, a first air outlet 22, a second air inlet 23 and a second air outlet 24. The first air inlet 21 and the first air outlet 22 are arranged on the air distribution pad 15, and the second air inlet 23 and the second air outlet 24 are arranged on the air distribution bottom cover 17; the second air inlet 23 is connected with the first air inlet 21, and the air distribution cavity 11 is connected with the first cavity 5 through the second air inlet 23 and the first air inlet 21; the second air outlet 24 is connected with the first air outlet 22, and the air distribution cavity 11 is connected with the actuating cavity 10 through the second air outlet 24 and the first air outlet 22, and the second air outlet 24 is unidirectionally connected to the actuating cavity 10.

[0034] Specifically, the gas distribution passage is formed on the gas distribution component 9, and the gas distribution passage is composed of a first gas inlet portion 21, a first gas outlet portion 22, a second gas inlet portion 23 and a second gas outlet portion 24. Figure 3 As shown, the first air inlet 21 and the first air outlet 22 are through holes opened on the air distribution pad 15, the second air inlet 23 is a through hole opened on the air distribution bottom cover 17, and the second air outlet 24 is arranged on the air distribution bottom cover 17 and unidirectionally conducts to the actuating chamber 10, so as to realize unidirectional conduction from the air distribution chamber 11 to the actuating chamber 10; the first air inlet 21 and the second air inlet 23 are interconnected and used to connect the first cavity 5 and the air guide cavity 38, and the first air outlet 22 and the second air outlet 24 are interconnected and used to connect the air guide cavity 38 and the corresponding actuating chamber 10; when the actuating chamber 10 is compressed, the gas in the first cavity 5 passes through the second air inlet 23, the first air inlet 21, the air distribution chamber 11, the first air outlet 22 and the second air outlet 24 in sequence to the actuating chamber 10.

[0035] Furthermore, the second air outlet portion 24 includes a mounting hole 39 and a plurality of air holes 40 arranged around the mounting hole 39, an air barrier 41 is installed in the mounting hole 39, and the air barrier 41 is provided with an elastic air barrier 42 on the side of the air distribution bottom cover 17 away from the air distribution pad 15, and the elastic air barrier 42 abuts against the air distribution bottom plate; when air is guided from the air distribution cavity 11 to the actuating cavity 10, the elastic air barrier 42 opens the air hole 40, and when air is guided from the actuating cavity 10 to the air distribution cavity 11, the elastic air barrier 42 closes the air hole 40.

[0036] Specifically, in this embodiment, the implementation method of the unidirectional conduction of the second air outlet 24 is as follows: In the present embodiment, the second air outlet portion 24 is composed of a mounting hole 39 with a relatively large diameter and a plurality of air holes 40 with a relatively small diameter. Both the mounting hole 39 and the air holes 40 penetrate the air distribution bottom cover 17. The plurality of air holes 40 are circumferentially arranged on the outer peripheral side of the mounting hole 39. An air separator 41 is installed in the mounting hole 39. The air separator 41 is elastic. An elastic air separator 42 is arranged at one end of the air separator 41. When the air separator 41 is installed in the mounting hole 39, the mounting hole 39 is blocked. The elastic air separator 42 is arranged on a side of the air distribution bottom cover 17 away from the air distribution cushion 15. The radial size of the elastic air separator 42 is sufficient to cover all the air holes 40. The side of the elastic air separator 42 close to the air distribution bottom cover 17 forms an arc surface facing the air distribution bottom cover 17. The air separator 41 can be selected as follows: Figure 3 When the actuating chamber 10 expands, the air pressure in the actuating chamber 10 decreases, and the gas in the air distribution chamber 11 passes through the first air outlet 22 and squeezes the elastic air barrier 42 at the air hole 40. At this time, since the elastic air barrier 42 is not blocked, the elastic air barrier 42 opens the air hole 40, so that the gas can be replenished into the actuating chamber 10; when the actuating chamber 10 is compressed, the air pressure in the actuating chamber 10 increases, and the gas in the actuating chamber 10 is discharged to the second cavity 6. At the position of the elastic air barrier 42, the gas pressurized elastic air barrier 42 is close to the air distribution bottom cover 17 to close the air hole 40, so as to achieve unidirectional conduction of the gas.

[0037] Furthermore, the hanger 3 passes through the gas distribution top cover 16 and the upper cover body, and the hanger 3 includes a second limiting portion 43 and a third limiting portion 44 . The gas distribution top cover 16 is clamped on the second limiting portion 43 , and the upper cover body is clamped on the third limiting portion 44 .

[0038] Specifically, in the present embodiment, the hanger 3 can be selected as a solid rubber rivet, a through hole is provided at the center position of the gas distribution top cover 16 corresponding to the second limit portion 43 of the hanger 3, and a through hole is provided at the center position of the upper cover body corresponding to the third limit portion 44 of the hanger 3. The air pump assembly is suspended in the installation space by the hanger 3, thereby reducing the path of vibration transmission between the air pump assembly and the housing 1. Since the hanger 3 is made of elastic material, the vibration of the air pump assembly can be further absorbed, thereby achieving the purpose of reducing noise.

[0039] Furthermore, the soft sealing membrane 4 is disposed on the outer peripheral side of the air distribution cushion 15 , and is an integrated structure with the air distribution cushion 15 .

[0040] Specifically, in this embodiment, the soft sealing film 4 and the air distribution cushion 15 are an integrated structure, and the soft sealing film 4 is formed on the outer peripheral side of the air distribution cushion 15. In addition to sealing the first cavity 5 and the second cavity 6, the soft sealing film 4 also plays an auxiliary fixing role between the air pump assembly and the housing 1, thereby improving the stability of the air pump assembly in the installation space. Since the soft sealing film 4 is elastic, it can absorb the vibration generated by the air pump assembly when it is working, and prevent the vibration generated by the air pump assembly from being transmitted to the housing 1.

[0041] Example 2 Based on the above-mentioned embodiment 1, this embodiment provides another suspended dual-chamber air pump device. The same contents as the embodiment are not repeated here. The difference is that the air outlet nozzle 26 is arranged at the center of the upper shell 13, and the air pump assembly is connected to the shell 1 by at least two hangers 3, such as Figure 8 and Fig. 9 As shown, during installation, after the hanger 3 connects the air pump assembly to the housing 1, the portion of the hanger 3 extending out of the upper housing 13 is cut off.

[0042] Example 3 On the basis of the above-mentioned embodiment 1, this embodiment provides another suspended dual-chamber air pump device. The same contents as those of the embodiment are not repeated here. The difference is that the hanger 3 does not penetrate the upper shell 13 when connected to the upper shell 13. A mounting groove is provided on the top of the upper shell 13. The second limit portion 43 on the hanger 3 is an I-shaped structure, such as Fig.10 As shown, the connection between the hanger 3 and the upper shell 13 is achieved by snapping the second limiting portion 43 into the installation groove, without the need to open a through hole in the upper shell 13 .

[0043] Example 4 On the basis of the above-mentioned embodiment 1, this embodiment provides another suspended dual-chamber air pump device. The same contents as the embodiment 1 are not repeated here. The difference is that the hanger 3 is a hollow structure.

[0044] Specifically, in this embodiment, the interior of the hanger 3 is hollow, and the end connected to the air pump assembly is not connected. Fig.11 As shown, the hollow hanger 3 further improves the vibration reduction performance of the hanger 3 .

[0045] Example 5 Based on the above-mentioned embodiment 1, this embodiment provides another suspended dual-chamber air pump device. The same contents as those of embodiment 1 are not repeated here. The difference lies in that: One side of the soft sealing membrane 4 close to the top of the upper shell 13 also extends toward the upper shell 13 and is connected to the upper shell 13 .

[0046] Specifically, in this embodiment, the connection between the soft sealing membrane 4 and the housing 1 is not only sandwiched between the upper housing 13 and the lower housing 14, but the soft sealing membrane 4 is also connected to the upper housing 13. Fig.12 and Fig.13 As shown, the outer periphery of the top surface of the upper shell 13 is provided with a plurality of through holes, and the side of the soft sealing membrane 4 close to the upper shell 13 is provided with a plurality of extensions 46 extending toward the upper shell 13, and the extensions 46 pass through the through holes on the top surface of the upper shell 13, and one end of the extension 46 passing through the through holes on the top surface of the upper shell 13 is provided with a fourth limiting portion 47, and the fourth limiting portion 47 is engaged with the upper shell 13, and the extensions 46 and the fourth limiting portion 47 are an integral structure with the soft sealing membrane 4, and the extensions 46 and the fourth limiting portion 47 are elastic. By providing the extensions 46 and the fourth limiting portion 47, the air pump assembly can be further connected and fixed to the housing 1, thereby improving the stability of the air pump assembly.

[0047] Example 6 Based on the above-mentioned embodiment 1, this embodiment provides another suspended dual-chamber air pump device. The same contents as those of embodiment 1 are not repeated here. The difference lies in that the soft sealing membrane 4 is installed on the outer peripheral side of the driving mechanism 7.

[0048] Specifically, in this embodiment, the connection between the soft sealing membrane 4 and the housing 1 is still sandwiched between the upper housing 13 and the lower housing 14, but the connection with the air pump assembly is not integrally connected with the air cushion 15, but is as follows: Fig.14 As shown, the sleeve is arranged on the side wall of the mounting seat 31, or as shown Fig.15 As shown, it is sleeved between the mounting seat 31 and the driving device 27 and fixed by clamping, or as shown in Fig.16 As shown, it is sleeved between the base 30 and the mounting seat 31 and fixed by clamping.

[0049] Example 7 Based on the above-mentioned embodiment 1, this embodiment provides another suspended dual-chamber air pump device. The same contents as embodiment 1 are not repeated here. The difference lies in that an overflow device 25 is also provided on the upper shell 13, and the overflow device 25 connects the second cavity 6 with the outside of the outer shell 1.

[0050] Specifically, Fig.16 and Fig.17 As shown, the overflow device 25 is arranged at the edge of the outer side of the upper shell 13. Optionally, the overflow device 25 is an overflow valve. Fig.18 and Fig.19 In the figure, the horizontal axis T represents time, and the vertical axis A represents the air flow fluctuation amplitude. Fig.18 and Fig.19 It can be seen that the arrangement of the overflow device 25 effectively ensures the stability of the output airflow.

[0051] Example 8 Based on the above-mentioned embodiment 1, this embodiment provides another suspended dual-chamber air pump device. The same contents as embodiment 1 are not repeated here. The difference lies in that a shock-absorbing support 45 is also provided in the installation space. The shock-absorbing support 45 is elastic and is provided between the bottom of the air pump assembly and the outer shell 1.

[0052] Specifically, Fig.21 As shown, the vibration-damping support 45 is sleeved on the bottom end of the driving device 27, and the vibration-damping support 45 is fixedly installed on the inner bottom wall of the lower shell 14. The vibration-damping support 45 can cooperate with the tensioner 3 to improve the stability of the air pump assembly, and the vibration-damping support 45 also plays a role in reducing vibration of the air pump assembly.

[0053] Example 9 On the basis of the above-mentioned embodiment 1, this embodiment provides another suspended dual-chamber air pump device. The same contents as those of the embodiment 1 are not repeated here. The difference is that: the hanger 3 is set as a hollow structure, the two ends of the hanger 3 are connected, and the end of the hanger 3 close to the air pump assembly is connected to the air guide cavity 38. In this embodiment, no separate air outlet nozzle 26 is set on the upper shell 13, and the air outlet 2 is integrated in the hollow position of the hanger 3. Fig. 22 As shown, such a configuration makes the structure of the housing 1 simpler and easier to manufacture, and the air discharged from the air guide cavity 38 can be directly discharged to the air bag through the tightener 3. It should be noted that the second cavity 6 in this embodiment does not play a role in air flow transition.

[0054] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in the present application.

Claims

1. A suspended double-chamber air pump device, characterized in that: include: A housing (1), wherein the housing (1) has an installation space therein, an air outlet (2) connected to the installation space is provided on the housing (1), and an air pump assembly is suspended in the installation space via a hanger (3); a soft sealing membrane (4), the soft sealing membrane (4) being arranged in the installation space, one end of the soft sealing membrane (4) being connected to the housing (1), and the other end being connected to the air pump assembly, for dividing the installation space into a first cavity (5) and a second cavity (6); the air pump assembly comprising an air inlet end and an air outlet end, an air path from the air inlet end to the air outlet end being unidirectionally connected, the air inlet end being located in the first cavity (5), the air outlet end being located in the second cavity (6), and the air outlet end being connected to the air outlet (2) through the second cavity (6); The air pump assembly further comprises a driving mechanism (7) and at least one actuating member (8), wherein the driving mechanism (7) and the actuating member (8) are used to pressurize the gas sucked in from the air inlet end.

2. The suspended double-chamber air pump device according to claim 1, characterized in that: The air pump assembly further comprises an air distribution assembly (9), at least one air distribution passage is formed on the air distribution assembly (9), the actuating member (8) cooperates with the air distribution assembly (9) to form an actuating chamber (10), the volume of the actuating chamber (10) is variable, the air distribution passage connects the actuating chamber (10) and the second chamber (6), and the air distribution passage is unidirectionally connected to the actuating chamber (10); the air distribution assembly (9) further comprises at least one air distribution chamber (11), the air distribution chamber (11) connects the actuating chamber (10) and the first chamber (5), and the air distribution chamber (11) is unidirectionally connected to the actuating chamber (10); the housing (1) is provided with an air inlet (12) which connects the first chamber (5) and the outside.

3. The suspended double-chamber air pump device according to claim 2, characterized in that: The housing (1) comprises an upper shell (13) and a lower shell (14) which are detachably connected, the air inlet (12) is provided on the lower shell (14), and the air outlet (2) is provided on the upper shell (13); the soft closing membrane (4) is sandwiched between the upper shell (13) and the lower shell (14).

4. The suspended double-chamber air pump device according to claim 3, characterized in that: The gas distribution assembly (9) comprises: An air distribution cushion (15), the air distribution cushion (15) being elastic and having at least one first air guide portion (18) formed thereon; a gas distribution cover (16), the gas distribution cover (16) being arranged on a side of the gas distribution cushion (15) close to the gas outlet (2), the gas distribution cover (16) and the gas distribution cushion (15) being covered to form the gas distribution cavity (11), the gas distribution cover (16) being provided with at least one second gas guide portion (19), the second gas guide portion (19) being not in communication with the gas distribution cavity (11); A gas distribution bottom cover (17), the gas distribution bottom cover (17) being arranged on a side of the gas distribution cushion (15) away from the gas outlet (2), the gas distribution bottom cover (17) being provided with at least one third gas guide portion (20); the third gas guide portion (20), the second gas guide portion (19) and the first gas guide portion (18) being interconnected and used to connect the actuating chamber (10) and the second cavity (6).

5. The suspended double-chamber air pump device according to claim 4, characterized in that: The gas distribution passage comprises a first air inlet (21), a first air outlet (22), a second air inlet (23) and a second air outlet (24); the first air inlet (21) and the first air outlet (22) are arranged on the gas distribution pad (15), and the second air inlet (23) and the second air outlet (24) are arranged on the gas distribution bottom cover (17); the second air inlet (23) is in communication with the first air inlet (21); the gas distribution cavity (11) is in communication with the first cavity (5) via the second air inlet (23) and the first air inlet (21); the second air outlet (24) is in communication with the first air outlet (22); the gas distribution cavity (11) is in communication with the actuating cavity (10) via the second air outlet (24) and the first air outlet (22); the second air outlet (24) is in unidirectional communication with the actuating cavity (10).

6. The suspended dual-chamber air pump device according to claim 5, characterized in that: The soft sealing membrane (4) is arranged on the outer peripheral side of the air distribution cushion (15), and is an integrated structure with the air distribution cushion (15).

7. The suspended dual-chamber air pump device according to claim 5, characterized in that: The soft sealing membrane (4) is mounted on the outer peripheral side of the driving mechanism (7), and the soft sealing membrane (4) is sleeved or clamped with the driving mechanism (7).

8. The suspended double-chamber air pump device according to claim 6 or 7, characterized in that: A side of the soft closing membrane (4) close to the top of the upper shell (13) also extends towards the upper shell (13) and is connected to the upper shell (13).

9. The suspended dual-chamber air pump device according to claim 8, characterized in that: An overflow device (25) is also provided on the upper shell (13), and the overflow device (25) is connected between the second cavity (6) and the outside of the shell (1).

10. The suspended double-chamber air pump device according to claim 8, characterized in that: The hanger (3) is a hollow structure.

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