Noise reduction device for air pump and air pump device thereof

Abstract

The present application discloses a noise reduction device for an air pump and an air pump device thereof, wherein the noise reduction device includes a mounting sleeve for covering the air pump, the mounting sleeve having an inner cavity with openings at both ends, the openings being used for the output shaft of the air pump to extend or establish a connection with the outside, the inner surface of the mounting sleeve being densely arranged with a plurality of conical thorns, the conical thorns being deformable; when the mounting sleeve is mounted on the air pump, at least a number of the conical thorns are in contact with the surface of the air pump. The mounting sleeve is provided for being mounted on the outside of the air pump, and the conical thorns are densely distributed on the inner surface of the mounting sleeve, the vibration of the air pump is buffered by the conical thorns, and the conical thorns are fully utilized to greatly increase the surface area of ​​sound absorption, thereby greatly reducing the transmission of noise generated by the air pump, and the application of the mounting sleeve in a micro air pump is also very convenient, so it is of great significance to be applied in the field of household appliances.

Description

Technical Field

[0001] The present application generally relates to the technical field of air pumps, and in particular, to a noise reduction device for an air pump and an air pump device thereof. Background Art

[0002] In many areas of modern industry and daily life, air pumps are an important power component, widely used in manufacturing equipment, household appliances, etc. However, the noise problem generated by air pumps during operation is still a technical difficulty to overcome, especially in household appliances, the operating noise of air pumps will seriously reduce the consumer experience.

[0003] Current noise reduction methods have limitations. Passive noise reduction mostly uses traditional sound-absorbing materials to wrap the air pump, which is expensive and has poor high-frequency noise reduction effect; although structural optimization can reduce vibration noise, the R&D and manufacturing costs increase dramatically. Summary of the invention

[0004] A main purpose of the present application is to provide an air pump noise reduction device and an air pump device thereof, by providing a mounting sleeve to cover the air pump, and by densely distributing conical thorns on the inner surface of the mounting sleeve, the densely distributed conical thorns are used to buffer the vibration of the air pump, and at the same time the surface of the conical thorns absorbs the noise generated during operation, thereby at least to a certain extent overcoming one or more problems caused by the limitations and defects of the relevant technology.

[0005] In order to achieve the above application purpose, this application adopts the following technical solutions: According to one aspect of the present application, a noise reduction device for an air pump is provided, comprising a mounting sleeve for covering the air pump, the mounting sleeve having an inner cavity with openings at both ends, the openings being used for the output shaft of the air pump to extend out or to establish a connection with the outside world, the inner surface of the mounting sleeve being densely arranged with a plurality of conical thorns, and the conical thorns are deformable; when the mounting sleeve is mounted on the air pump, at least some of the conical thorns are in contact with the surface of the air pump.

[0006] According to one embodiment of the present application, the tip of the conical thorn points radially to the center, and the conical thorn is a cone or a polygonal pyramid.

[0007] According to one embodiment of the present application, the conical thorn includes a first conical thorn and a second conical thorn, the first conical thorn and the second conical thorn have different heights, and the first conical thorn and the second conical thorn are arranged alternately.

[0008] According to one embodiment of the present application, the first cone thorns and the second cone thorns are respectively arranged in rows along the axial direction on the inner surface of the mounting sleeve, and the rows of the first cone thorns and the rows of the second cone thorns are alternately arranged in sequence along the circumferential direction.

[0009] According to one embodiment of the present application, the first cone thorns and the second cone thorns are respectively arranged in a circumferential direction on the inner surface of the mounting sleeve, and the rows of the first cone thorns and the rows of the second cone thorns are alternately arranged in sequence along the axial direction.

[0010] According to one embodiment of the present application, the installation sleeve includes a first sleeve portion and a second sleeve portion that are assembled and fixedly connected to each other, and the inner cavity is formed after the two are assembled.

[0011] According to an embodiment of the present application, the first sleeve portion and the second sleeve portion are respectively provided with connecting portions on both sides thereof, and the connecting portions are used for assembling the fixing parts and fixing the first sleeve portion and the second sleeve portion together.

[0012] According to one embodiment of the present application, the noise reduction device further includes elastic members, and the elastic members are respectively arranged on the fixing members.

[0013] According to one embodiment of the present application, the inner cavity of the mounting sleeve includes a first cavity and a second cavity that are interconnected to respectively accommodate different parts of the air pump.

[0014] According to another aspect of the present application, an air pump device is provided, comprising the above-mentioned air pump noise reduction device and an air pump, wherein the air pump is installed in the inner cavity, and the output shaft of the air pump extends from one of the two end openings.

[0015] In the present application, a mounting sleeve is provided for being mounted on the outside of an air pump, and the inner surface of the mounting sleeve is densely covered with conical thorns. The vibration of the air pump is buffered by the conical thorns, and the conical thorns are fully utilized to greatly increase the surface area for sound absorption, thereby greatly reducing the transmission of noise generated by the air pump. The application of the mounting sleeve in a micro air pump is also very convenient, and therefore, it is of great significance to use it in the field of household appliances.

[0016] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and other features and advantages of the present application will become more apparent by describing in detail example embodiments thereof with reference to the attached drawings.

[0018] Figure 1 is a schematic structural diagram of an air pump device according to an exemplary embodiment; Figure 2 is a schematic structural diagram of a mounting sleeve according to an exemplary embodiment; Figure 3 is a schematic structural diagram of a mounting sleeve from another perspective according to an exemplary embodiment; Figure 4is a schematic diagram of a combined inflatable module according to an exemplary embodiment; Figure 5 is a schematic diagram of another combined inflatable module according to an exemplary embodiment.

[0019] Among them, the figure numbers are explained as follows: 100, noise reduction device; 200, air pump; 10, mounting sleeve; 20, fixing member; 30, elastic member; 11, first sleeve portion; 12, second sleeve portion; 13, connecting portion; 14, conical thorn; 15, inner cavity; 141, first cone; 142, second cone; 151, first cavity; 152, second cavity; 16, opening; 1, air pump device; 2, air valve assembly; 3, pressure relief valve; 4, control system; 5, second connector; 51, second male end; 52, second female end; 6, first connector; 61, first male end; 62, first female end; 7, airbag. DETAILED DESCRIPTION

[0020] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this application will be comprehensive and complete and fully convey the concepts of the example embodiments to those skilled in the art. The same reference numerals in the figures represent the same or similar structures, and thus their detailed description will be omitted.

[0021] See also Figure 1 In one embodiment, the noise reduction device 100 includes a mounting sleeve 10 for covering the air pump 200 and other shock-absorbing and noise-reducing structures that can be used in conjunction. Among them, the mounting sleeve 10 has an inner cavity 15 with openings 16 at both ends, and the inner cavity 15 is used to install the air pump 200. The output shaft or electrical connection of the air pump 200 can pass through the openings 16 at both ends. The size of the opening 16 can meet the requirements of the output shaft extension and electrical connection, and the size of the opening 16 can be appropriately reduced to improve the noise reduction effect. The inner surface of the mounting sleeve 10 is densely arranged with a plurality of conical thorns 14; when the mounting sleeve 10 is mounted on the air pump 200, at least a number of conical thorns 14 are in contact with the surface of the air pump 200, and the vibration of the air pump 200 is buffered by the conical thorns 14, and the conical thorns 14 are fully utilized to greatly increase the surface area of ​​sound absorption, greatly reducing the transmission of the noise generated by the air pump 200, and the application of the micro air pump 200 is also very convenient, so it has great significance in the field of home appliances.

[0022] In one embodiment, the mounting sleeve 10 is made of a flexible material, and the conical thorn 14 is formed together with the main body of the mounting sleeve 10. Preferably, the mounting sleeve 10 is made of silicone. At least one of the openings 16 at both ends is provided on the axial end surface, so that the air pump 200 can extend the shaft from the opening 16. The other opening 16 is used for the air pump 200 to form an electrical connection with the outside world, and can be provided corresponding to the electrical connection structure of the air pump 200.

[0023] See also Figure 2 and Figure 3 , the tip of the conical thorn 14 points radially to the center, that is, the tip of the conical thorn 14 faces the air pump 200 when in use. The shape of the conical thorn 14 can be a cone or a polygonal pyramid. In a specific embodiment, the conical thorn 14 includes a first cone 141 thorn and a second cone 142 thorn. The heights of the first cone 141 thorn and the second cone 142 thorn are different, and the first cone 141 thorn and the second cone 142 thorn are arranged at intervals. Of course, it can be understood that more different types of conical thorns 14 can also be used, and different conical thorns 14 can also use conical thorns 14 of different shapes. Preferably, the first cone 141 and the second cone 142 are both regular tetrahedrons. The use of regular tetrahedrons takes into account both buffering capacity and strength, and has a good sound-absorbing effect.

[0024] In a specific embodiment, there may be multiple arrangements between the first cone 141 and the second cone 142, and the first cone 141 and the second cone 142 are arranged one by one, and the first cone 141 and the second cone 142 are arranged alternately. A preferred method is: on the inner surface of the mounting sleeve 10, the first cone 141 thorns and the second cone 142 thorns are respectively formed in a queue along the axial direction, and the queue of the first cone 141 thorns and the queue of the second cone 142 thorns are arranged alternately and spaced in sequence along the circumferential direction. Among them, the axial direction can be parallel to or coincide with the central axis of the inner cavity 15, or refer to the central axis direction of the output shaft after the air pump 200 is installed, and the corresponding circumferential direction is a circumferential direction perpendicular to the axial direction. Another preferred method is: on the inner surface of the mounting sleeve 10, the first cone 141 thorns and the second cone 142 thorns are respectively formed in a queue along the circumferential direction, and the queue of the first cone 141 thorns and the queue of the second cone 142 thorns are arranged alternately and spaced in sequence along the axial direction.

[0025] See also Figure 1 and Figure 2In one embodiment, the installation sleeve 10 includes a first sleeve portion 11 and a second sleeve portion 12 that are assembled and fixedly connected to each other, and the two are assembled to form an inner cavity 15. The first sleeve portion 11 and the second sleeve portion 12 are respectively provided with connecting portions 13 on both sides, and the connecting portions 13 are provided for the fixing member 20 to assemble and fix the first sleeve portion 11 and the second sleeve portion 12 together. Among them, the fixing member 20 can be a screw, a screw, or other forms of fixing members 20. The fixing member 20 is mainly used to install the installation sleeve 10 equipped with the air pump 200 into the equipment, and connect the first sleeve portion 11 and the second sleeve portion 12 together. The first sleeve portion 11 and the second sleeve portion 12 can be an upper and lower structure, and the fixed connection between the two is more stable, and it is more convenient to set them on the equipment. Of course, it can be understood that in addition to using the fixing member 20 for fixed connection, other methods can also be used in combination, such as ultrasonic welding or glue bonding.

[0026] See also Figure 1 The noise reduction device 100 further includes an elastic member 30, which is respectively arranged on the fixing member 20. Preferably, the elastic member 30 can be a coil spring, which is sleeved on the fixing member 20. The number of the fixing members 20 can include at least 4, which are respectively arranged at both ends and both sides, and more or less fixing members 20 can be adapted according to the size of the installation sleeve 10 and the air pump 200.

[0027] See also Figure 2 and Figure 3 The inner cavity 15 of the mounting sleeve 10 includes a first cavity 151 and a second cavity 152 which are interconnected to accommodate different parts of the air pump 200. Different parts of the inner cavity 15 can be adapted to the outer contour of the air pump 200, so that the conical thorn 14 can support and cushion different parts of the air pump 200 to a certain extent, which is conducive to reducing vibration and noise.

[0028] See also Figure 1 In one embodiment, the air pump device 1 includes the above-mentioned noise reduction device 100 of the air pump 200 and the air pump 200. The air pump 200 is installed in the inner cavity 15, and the output shaft of the air pump 200 extends from one of the openings 16 at both ends.

[0029] The air pump device 1 can be used to combine the inflatable module: See also Figure 4 and Figure 5In one embodiment, the combined inflatable module includes an air pump device 1, an air valve assembly 2, a first connector 6 and a second connector 5. The air pump device 1 is connected to the air valve assembly 2, and the air pump device 1 can use a micro air pump device 1 to provide the power required for the inflation. The air valve assembly 2 is connected to the first connector 6 and the second connector 5 respectively, and the first connector 6 can be used to connect with multiple air bags 7, and the second connector 5 can be used to connect with at least one air bag 7. By connecting the first connector 6 and the second connector 5 in parallel to the air valve assembly 2, it can be suitable for connecting different massage equipment, reducing the number of inflatable modules that need to be equipped, and bringing convenience to consumers. The combined inflatable module also includes a control system 4, which can be connected to the air pump device 1, the air valve assembly 2, the first connector 6 and the second connector 5 respectively. Terminal identification sensors can be set on the first connector 6 and the second connector 5, and the control system 4 can control the operation of the connected equipment.

[0030] In one embodiment, the air valve assembly 2 adopts a five-way air valve, each of which can independently control the inflation and deflation of air; the first connector 6 is connected to multiple air valves, and the second connector 5 is connected to at least one air valve. The first connector 6 and the second connector 5 can be connected to different numbers of air valves to meet the needs of different massage equipment. Preferably, the first connector 6 is connected to four air valves, and the first connector 6 is used to connect a massage mattress or a massage leg bag; the second connector 5 is connected to one air valve, and the second connector 5 is used to connect a massage pillow. Among them, the first connector 6 includes a first male end 61 and a first female end 62, and the second connector 5 includes a second male end 51 and a second female end 52, by adopting a connection method of male and female terminals.

[0031] In one embodiment, the air valve assembly 2 is connected to the first connector 6 through a first pipeline, and the air valve assembly 2 is connected to the second connector 5 through a second pipeline, and the second pipeline is connected to the pressure relief valve 3, and the output end of the pressure relief valve 3 is connected to the first pipeline, or the output end of the pressure relief valve 3 is connected to the atmosphere. Therefore, when the air pressure of the pillow airbag is relatively high, the gas can be released into the atmosphere or inflated to other equipment through the pressure relief valve 3. Preferably, the pressure relief valve 3 can be a one-way pressure relief safety valve. See Figure 5 , the output end of the pressure relief valve 3 can be connected to a muffler.

[0032] In another embodiment, a massage device includes the above-mentioned combined inflatable module, a massage pillow, a massage mattress and / or a massage leg bag, the first joint 6 is connected to the massage mattress or the massage leg bag, and the second joint 5 is connected to the massage pillow.

[0033] In the application examples, the terms "matching", "connection" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the application examples can be understood according to specific circumstances.

[0034] In the description of this specification, the description of the terms "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the application embodiment. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The above are only preferred embodiments of the application embodiments and are not intended to limit the application embodiments. For those skilled in the art, the application embodiments may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the application embodiments shall be included in the protection scope of the application embodiments.

Claims

1. A noise reduction device for an air pump, characterized in that: It includes a mounting sleeve for covering the air pump, the mounting sleeve has an inner cavity with openings at both ends, the openings are used for the output shaft of the air pump to extend or establish a connection with the outside world, and the inner surface of the mounting sleeve is densely arranged with a plurality of conical thorns, and the conical thorns are deformable; When the installation sleeve is arranged on the air pump, at least some of the conical thorns are in contact with the surface of the air pump.

2. The noise reduction device for an air pump according to claim 1, characterized in that: The tip of the conical thorn points radially to the center, and the conical thorn is selected to be a cone or a polygonal pyramid.

3. The noise reduction device for an air pump according to claim 1, characterized in that: The conical thorns include a first conical thorn and a second conical thorn. The first conical thorn and the second conical thorn have different heights, and the first conical thorn and the second conical thorn are arranged alternately.

4. The noise reduction device for an air pump according to claim 3, characterized in that: The first cone thorns and the second cone thorns are arranged in rows along the axial direction on the inner surface of the mounting sleeve, and the rows of the first cone thorns and the rows of the second cone thorns are alternately arranged in sequence along the circumferential direction.

5. The noise reduction device for an air pump according to claim 3, characterized in that: The first cone thorns and the second cone thorns are arranged in a circumferential direction on the inner surface of the mounting sleeve, and the first cone thorns and the second cone thorns are arranged alternately in sequence along the axial direction.

6. The noise reduction device for an air pump according to claim 1, characterized in that: The installation sleeve comprises a first sleeve portion and a second sleeve portion which are assembled and fixedly connected to each other, and the inner cavity is formed after the two are assembled.

7. The noise reduction device for an air pump according to claim 6, characterized in that: The first sleeve part and the second sleeve part are respectively provided with connecting parts on both sides thereof, and the connecting parts are used for assembling the fixing parts and fixing the first sleeve part and the second sleeve part together.

8. The noise reduction device for an air pump according to claim 7, characterized in that: The noise reduction device also includes an elastic member, and the elastic member is sleeved on the fixing member.

9. The noise reduction device for an air pump according to claim 1, characterized in that: The inner cavity of the mounting sleeve comprises a first cavity and a second cavity which are interconnected and are used to respectively accommodate different parts of the air pump.

10. An air pump device, characterized in that: The noise reduction device of the air pump comprises the air pump as described in any one of claims 1 to 9, wherein the air pump is installed in the inner cavity, and the output shaft of the air pump extends out from one of the openings at both ends.

Images