Inflator pump

Abstract

The utility model relates to the technical field of pump body structures, and provides an inflator pump which comprises a shell, a driving part, a transmission assembly, a first air valve part, a piston ring and a first abutting part. A mounting cavity is formed in the shell, and an air inlet and an air outlet which are communicated with the mounting cavity are formed in the shell; the driving piece is mounted on the shell and located in the mounting cavity; the transmission assembly is connected with the driving end of the driving piece; the first abutting piece is connected with the end, away from the driving piece, of the transmission assembly and located at the air outlet. The piston ring is installed on the outer wall of the first abutting piece. The first air valve piece is connected with the first abutting piece in a sliding mode; the first abutting piece is provided with a plurality of first air outlet holes. The air inflation device has the effects of reducing air leakage and improving the air inflation efficiency.

Description

Technical Field

[0001] This application relates to the field of pump body structure technology, and in particular to an air pump. Background Technology

[0002] Air pumps, as common gas compression and transmission devices, are widely used in applications such as air inflation, sewage treatment, electroplating gasification, biogas digester aeration, and tunnel ventilation. However, existing air pumps often suffer from air leakage during intake. This is mainly due to air escaping from the outlet when the motor drives the fan blades to rotate at high speed. This leakage not only reduces the overall inflation efficiency of the air pump but also increases energy consumption and equipment maintenance costs.

[0003] Although traditional air pumps employ certain sealing measures, such as installing sealing plates, this affects inflation efficiency and fails to completely solve the air leakage problem. Summary of the Invention

[0004] To address the aforementioned problems, this application provides an air pump.

[0005] The air pump provided in this application adopts the following technical solution:

[0006] An air pump includes a housing, a drive component, a transmission assembly, a first valve component, a piston ring, and a first abutment component. The housing has a mounting cavity with an air inlet and an air outlet communicating with it. The drive component is mounted on the housing and located within the mounting cavity. The transmission assembly is connected to the drive end of the drive component. The first abutment component is connected to the end of the transmission assembly away from the drive component and is located at the air outlet. The piston ring is mounted on the outer wall of the first abutment component. The first valve component is slidably connected to the first abutment component. The first abutment component has several first air outlet holes. When the drive component drives the first abutment component and the piston ring to move away from the air outlet through the transmission assembly, a negative pressure is formed in the mounting cavity, and the first valve component closes the first air outlet holes.

[0007] By adopting the above technical solution, when the driving component drives the first abutment and piston ring to move away from the air outlet through the transmission assembly, the piston ring cooperates with the inner wall of the mounting cavity to compress the air in the mounting cavity, and the air inlet exhausts, creating a negative pressure in the mounting cavity. The first valve component is affected by the negative pressure and sticks tightly to the first abutment, thereby covering all the first air outlets to prevent air leakage. Subsequently, when inflation is required, a positive pressure is formed in the mounting cavity, causing the first valve component to be opened by the air pressure. The first air outlet is no longer covered by the first valve component, so it can be discharged from the air outlet for inflation. This solves the problem of some gas leaking out from the air outlet during intake, thus affecting the inflation efficiency and improving the efficiency of the air pump.

[0008] Optionally, the housing is further provided with a second abutment; the second abutment is installed at the air outlet and is spaced at a preset distance from the first abutment; a second valve is slidably connected to the second abutment; the second abutment has a plurality of second air outlet holes; when a negative pressure is formed in the mounting cavity, the second valve closes the second air outlet holes.

[0009] By adopting the above technical solution, the function of setting the second abutment and the second valve is to further improve the airtightness of the mounting cavity. When a negative pressure is formed in the mounting cavity, the first valve closes several first air outlets and the second valve closes several second air outlets, forming a double-layer closure effect, which further reduces the leakage phenomenon.

[0010] Optionally, the second abutment is provided with a sliding part, and the second valve is slidably connected to the sliding part; a limiting part is provided at the end of the sliding part away from the second abutment.

[0011] By adopting the above technical solution, the second valve can slide along the sliding part, and at the same time, the limiting function of the limiting part can prevent the second valve from disengaging from the sliding part during inflation.

[0012] Optionally, the sliding portion extends through the second abutment and toward the first abutment.

[0013] By adopting the above technical solution, when the first valve is inflated, the first valve moves toward the second abutment and is blocked by the sliding part, so that the first valve and the second abutment cannot fit together and the first valve cannot cover several second air outlets, thus ensuring normal airflow and normal inflation.

[0014] Optionally, the second abutment has an embedding groove on the side away from the first abutment. The embedding groove fits into the second valve component, so that when a negative pressure is formed in the mounting cavity, the second valve component is embedded in the embedding groove and blocks the second air outlet.

[0015] By adopting the above technical solution, when a negative pressure is formed in the mounting cavity, the second valve component moves along the sliding part and is embedded in the embedding groove, thereby covering all the second air outlets. The embedding groove enables the second valve component to close all the second air outlets more closely, further reducing the leakage of the second air outlets.

[0016] Optionally, both the first valve component and the second valve component are made of elastic material.

[0017] By adopting the above technical solution, the elastic material can better adapt to the minute gap changes between the first valve component and the first abutment component or between the second valve component and the second abutment component, thereby improving the sealing performance, ensuring that the gas will not leak, and guaranteeing the inflation efficiency.

[0018] Optionally, at least one air inlet is provided.

[0019] By adopting the above technical solution, setting one air inlet can ensure sufficient air intake for inflation, and setting multiple air inlets can prevent any air inlet from being blocked, while other air inlets can also be used for inflation, ensuring sufficient air intake during inflation.

[0020] Optionally, the housing is further provided with an abutment ring; the abutment ring is located on the side of the first abutment member away from the second abutment member, and when the first abutment member moves toward the abutment ring, the piston ring abuts against the abutment ring.

[0021] By adopting the above technical solution, the piston ring and the abutment ring abut against each other. The abutment ring can limit the movement distance of the first abutment member. At the same time, when the piston ring and the abutment ring are in contact, they simultaneously close the air outlet path. Together with the first valve and the second valve, they further provide air leakage prevention. When the first abutment member moves away from the abutment ring, it opens the air outlet path to facilitate inflation.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. When the driving component drives the first abutment and piston ring to move away from the air outlet through the transmission assembly, the piston ring cooperates with the inner wall of the mounting cavity to compress the air in the mounting cavity, and the air inlet exhausts, so that a negative pressure is formed in the mounting cavity. The first valve component is affected by the negative pressure and sticks tightly to the first abutment, thereby covering all the first air outlets to prevent air leakage. Subsequently, when inflation is required, a positive pressure is formed in the mounting cavity, so that the first valve component is pushed open by the air pressure, and the first air outlet is no longer covered by the first valve component, so that it can be discharged from the air outlet for inflation. This solves the problem that some gas leaks out from the air outlet during the intake, thus affecting the inflation efficiency and improving the efficiency of the air pump.

[0024] 2. The purpose of setting the second abutment and the second valve is to further improve the airtightness of the mounting cavity. When a negative pressure is formed in the mounting cavity, the first valve closes several first air outlets and the second valve closes several second air outlets, forming a double-layer closure effect, which further reduces the leakage.

[0025] 3. The second valve can slide along the sliding part, and at the same time, the limiting part of the valve can prevent the second valve from disengaging from the sliding part during inflation.

[0026] 4. When the first valve is inflated, it moves toward the second abutment and is blocked by the sliding part, so that the first valve and the second abutment cannot fit together. The first valve cannot cover some of the second air outlets, thus ensuring normal airflow and normal inflation. Attached Figure Description

[0027] Figure 1 This is a three-dimensional structural schematic diagram of an air pump according to an embodiment of this application;

[0028] Figure 2 This is a schematic cross-sectional view of the first part of some air pumps in some embodiments of this application;

[0029] Figure 3 This is a three-dimensional structural schematic diagram of the housing of some hidden parts of the air pump in some embodiments of this application;

[0030] Figure 4 This is a three-dimensional structural diagram of some of the first abutment parts in some embodiments of this application;

[0031] Figure 5 This is a three-dimensional structural schematic diagram of some first abutment parts from another perspective in some embodiments of this application;

[0032] Figure 6 This is a schematic cross-sectional view of the second part of the air pump in some embodiments of this application;

[0033] Figure 7 This is a cross-sectional structural schematic diagram of the air pump in another embodiment of this application;

[0034] The labels in the attached drawings are as follows: 1. Housing, 11. Mounting cavity, 12. Air inlet, 2. Transmission assembly, 3. First valve component, 4. Piston ring, 5. First abutment component, 51. First air outlet, 6. Second abutment component, 61. Second air outlet, 62. Sliding part, 63. Limiting part, 64. Embedded groove, 7. Driving component, 8. Second valve component, 9. Abutment ring. Detailed Implementation

[0035] The following specific examples illustrate the implementation methods of this application. Those skilled in the art can easily understand other advantages and effects of this application from the information disclosed herein. This application can also be implemented or applied through other different specific embodiments, and various details in this application can be modified or changed according to different viewpoints and application systems without departing from the spirit of this application. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other.

[0036] The embodiments of this application will now be described in detail with reference to the accompanying drawings, so that those skilled in the art can easily implement the application. This application may be embodied in many different forms and is not limited to the embodiments described herein.

[0037] In this application, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics represented in connection with that embodiment or example, which are included in at least one embodiment or example of this application. Furthermore, the specific features, structures, materials, or characteristics represented may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate different embodiments or examples represented in this application, as well as features of different embodiments or examples.

[0038] Furthermore, the terms "first" and "second" are used only to indicate an objective and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the representation of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0039] Throughout this specification, when it is said that a device is "connected" to another device, this includes not only "direct connection" but also "indirect connection" by placing other components in between. Furthermore, when it is said that a device "comprises" a certain constituent element, unless otherwise stated otherwise, this does not exclude other constituent elements, but rather implies that other constituent elements may be included.

[0040] The following is in conjunction with the appendix Figure 1 - Appendix Figure 7 This application will be described in further detail below.

[0041] This application discloses an air pump.

[0042] An air pump, reference Figure 1 and Figure 2 As shown, it includes a housing 1, a drive component 7, a transmission assembly 2, a first valve component 3, a second valve component 8, a piston ring 4, a first abutment component 5, and a second abutment component 6; the housing 1 has an installation cavity 11 inside, and has an air inlet 12 and an air outlet communicating with the installation cavity 11. The housing 1 has an L-shaped structure, and the internal installation cavity 11 is divided into several cavity structures, which are interconnected.

[0043] The drive unit 7 is installed in the housing 1 and located in the mounting cavity 11. The drive unit 7 can be a drive motor, which provides the switching of air intake and air exhaust for the air pump, and can also be connected to a fan blade to provide air inflation.

[0044] refer to Figure 3 As shown, the transmission assembly 2 is connected to the drive end of the drive component 7. The transmission assembly 2 may include a first rotating shaft, a driving wheel, a driven wheel, a second rotating shaft, an eccentric wheel, a third rotating shaft, and a transmission rod. The first rotating shaft is connected to the drive motor, the driving wheel is connected to the first rotating shaft, and the driving wheel is connected to the driven wheel. The driven wheel is mounted on the second rotating shaft, so that the second rotating shaft is driven to rotate by the driven wheel. The eccentric wheel is connected to the second rotating shaft, and the third rotating shaft is connected to the eccentric wheel. When the eccentric wheel is driven by the rotation of the second rotating shaft, it drives the third rotating shaft to swing. The third rotating shaft is movably connected to the transmission rod, so that the transmission rod is provided with a transmission effect by the swinging action of the third rotating shaft.

[0045] The first abutting member 5 is connected to the end of the transmission assembly 2 away from the driving member 7 and is located at the air outlet. The first abutting member 5 can be a first abutting plate. At the same time, the first abutting member 5 is connected to the transmission rod in the transmission assembly 2. When the transmission rod moves, it drives the first abutting member 5 to move.

[0046] The piston ring 4 is installed on the outer wall of the first abutment 5. The piston ring 4 can move synchronously with the first abutment 5. When it moves, it contacts the inner wall of the mounting cavity 11, thereby compressing the air in the mounting cavity 11 and creating a negative pressure in the mounting cavity 11.

[0047] The first valve component 3 is slidably connected to the first abutting member 5. A sliding groove can be formed on the surface of the first abutting member 5, and the first valve component 3 can slide along the sliding groove. The first valve component 3 can be a first valve plate.

[0048] The first abutting member 5 has a plurality of first air outlets 51. The first air outlets 51 are located within the first valve member 3, that is, the first valve member 3 can cover all the first air outlets 51, so that the first air outlets 51 are blocked and air leakage is prevented.

[0049] Specifically, when the drive component 7 drives the first abutment 5 and the piston ring 4 to move away from the air outlet through the transmission assembly 2, the piston ring 4 cooperates with the inner wall of the mounting cavity 11 to compress the air in the mounting cavity 11, and the air inlet 12 exhausts, so that a negative pressure is formed in the mounting cavity 11. The first valve component 3 is affected by the negative pressure and sticks tightly to the first abutment 5, thereby covering all the first air outlets 51 to prevent the first air outlets 51 from leaking air. Subsequently, when inflation is required, a positive pressure is formed in the mounting cavity 11, so that the first valve component 3 is pushed open by the air pressure, and the first air outlets 51 are no longer covered by the first valve component 3, so that they can be discharged from the air outlet for inflation.

[0050] In some embodiments, reference Figure 4and Figure 5 As shown, the housing 1 is also provided with a second abutment 6. The second abutment 6 is installed at the air outlet and is spaced at a preset distance from the first abutment 5. The second abutment 6 can be a second abutment plate. The second abutment 6 is fixedly connected to the air outlet of the housing 1, so it will not move due to the transmission action of the transmission component 2.

[0051] A second valve component 8 is slidably connected to the second abutment 6. The second valve component 8 can be a second valve plate. The second abutment 6 has several second air outlets 61. When a negative pressure is formed in the mounting cavity 11, the second valve component 8 moves along the second abutment 6 and covers the second air outlets 61. The function of setting the second abutment 6 and the second valve component 8 is to further improve the airtightness in the mounting cavity 11. When a negative pressure is formed in the mounting cavity 11, the first valve component 3 closes several first air outlets 51, and the second valve component 8 closes several second air outlets 61, forming a double-layer closure effect, which further reduces the leakage phenomenon.

[0052] Furthermore, the second abutment 6 is provided with a sliding part 62, and the second valve member 8 is slidably connected to the sliding part 62. The sliding part 62 can be a slide rod. The end of the sliding part 62 away from the second abutment 6 is provided with a limiting part 63. The surface of the second valve member 8 can be provided with a through hole. The second valve member 8 can slide along the sliding part 62 through the through hole. At the same time, the limiting part 63 provided at the end of the sliding part 62 away from the second abutment 6 can be a limiting plate, and the limiting plate is provided with several diffusers. The limiting part 63 is used to prevent the second valve member 8 from being pushed out and detached from the sliding part 62 when it is being inflated, so as to restrict the second valve member 8 and provide the function of dispersing the airflow.

[0053] Furthermore, the sliding part 62 extends through the second abutment 6 towards the first abutment 5. When the sliding part 62 extends along the second abutment 6 towards the first abutment 5, it enables the first valve member 3 to move towards the second abutment 6 when it is being inflated. At the same time, it is blocked by the sliding part 62, so that the first valve member 3 and the second abutment 6 cannot fit together. The first valve member 3 cannot cover several second air outlets 61, ensuring normal airflow and normal inflation.

[0054] In some embodiments, reference Figure 5 As shown, the second abutment 6 has an embedding groove 64 on the side away from the first abutment 5. The embedding groove 64 fits into the second valve member 8, and all the second air outlets 61 are located within the embedding groove 64. When a negative pressure is formed in the mounting cavity 11, the second valve member 8 moves along the sliding part 62 and embeds into the embedding groove 64, thereby covering all the second air outlets. The embedding groove 64 enables the second valve member 8 to close all the second air outlets more closely, further reducing the leakage of the second air outlets.

[0055] In some embodiments, the first valve member 3 and the second valve member 8 are both made of elastic material. The elastic material can be any material such as rubber, plastic, etc. The elastic material can better adapt to the small gap changes between the first valve member 3 and the first abutment member 5 or between the second valve member 8 and the second abutment member 6, thereby improving the sealing performance, ensuring that the gas will not leak, and ensuring the inflation efficiency.

[0056] In some embodiments, at least one air inlet 12 is provided, which is located at the drive member 7. Multiple air inlets 12 may also be provided. Other air inlets 12 may be located at the housing 1 of the transmission component 2. Providing multiple air inlets 12 can ensure the air intake volume and ensure sufficient air intake.

[0057] Specifically, setting one air inlet 12 is sufficient to ensure adequate air intake during inflation. Setting multiple air inlets 12 can prevent any air inlet 12 from being blocked, while other air inlets 12 can also be used for inflation, ensuring sufficient air intake during inflation.

[0058] In some embodiments, reference Figure 6 As shown, a retaining ring 9 is also provided inside the housing 1. The retaining ring 9 is located on the side of the first retaining member 5 away from the second retaining member 6. When the first retaining member 5 moves toward the retaining ring 9, the piston ring 4 abuts against the retaining ring 9. The retaining ring 9 can limit the movement distance of the first retaining member 5. At the same time, when the piston ring 4 and the retaining ring 9 are in contact, they simultaneously close the air outlet path. Together with the first valve member 3 and the second valve member 8, they further provide air leakage prevention. When the first retaining member 5 moves away from the retaining ring 9, the air outlet path is opened to facilitate inflation.

[0059] Even if the first abutting member 5 is not separated from the abutting ring 9, the first valve member 3 and the second valve member 8 can be opened by the air pressure during inflation, which can also provide the air release effect. The sealing effect of the abutting ring 9 is optimal when the mounting cavity 11 is under negative pressure and when the air pressure is insufficient to open the first valve member 3 and the second valve member 8.

[0060] The abutment ring 9 can be made of rubber or plastic.

[0061] On the other hand, the piston ring 4 can adopt a frustum-shaped structure. The inner wall of the mounting cavity 11 at the piston ring 4 fits the structure of the piston ring 4, and the inner wall can also adopt a frustum-shaped structure. Therefore, when the piston ring 4 is moved by the first abutting member 5, the outer wall of the piston ring 4 gradually abuts against the inner wall of the frustum-shaped mounting cavity 11, which can achieve the same effect as when the abutting ring 9 is set. Therefore, both setting the abutting ring 9 and setting the inner wall of the frustum-shaped mounting cavity 11 can achieve the same sealing effect.

[0062] In another embodiment, reference Figure 7As shown, the first air outlet 51 of the first abutment 5 is opened along the inner side of the piston ring 4. The transmission assembly 2 is provided with an eccentric wheel, so that when the first abutment 5 is driven, it swings in a wave-shaped curve along the rotation direction of the eccentric wheel, so that the piston ring 4 opens the gap with the inner wall of the housing 1, allowing airflow to pass through. Then, when the piston ring 4 closes, the airflow bypasses the piston ring 4 and is discharged from the first air outlet 51 between the first abutment 5 and the piston ring 4 to the second abutment 6. Through this wave-shaped oscillation inflation method, the wear of the first abutment 5 and the piston ring 4 can be reduced, and jamming can be avoided, ensuring inflation efficiency.

[0063] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims

1. An air pump, characterized in that, The system includes a housing (1), a drive unit (7), a transmission assembly (2), a first valve component (3), a piston ring (4), and a first abutment component (5). The housing (1) contains a mounting cavity (11) and has an air inlet (12) and an air outlet communicating with the mounting cavity (11). The drive unit (7) is mounted on the housing (1) and located within the mounting cavity (11). The transmission assembly (2) is connected to the drive end of the drive unit (7). The first abutment component (5) is located away from the drive unit (7) from the transmission assembly (2). The first valve (3) is connected to the first abutment (5) and located at the air outlet. The piston ring (4) is installed on the outer wall of the first abutment (5). The first valve (3) is slidably connected to the first abutment (5). The first abutment (5) has a plurality of first air outlet holes (51). When the driving member (7) drives the first abutment (5) and the piston ring (4) to move away from the air outlet through the transmission assembly (2), a negative pressure is formed in the mounting cavity (11), and the first valve (3) closes the first air outlet hole (51).

2. An air pump according to claim 1, characterized in that, The housing (1) is also provided with a second abutment (6); the second abutment (6) is installed at the air outlet and is spaced at a preset distance from the first abutment (5); a second valve (8) is slidably connected to the second abutment (6); the second abutment (6) is provided with a plurality of second air outlets (61); when a negative pressure is formed in the mounting cavity (11), the second valve (8) closes the second air outlets (61).

3. An air pump according to claim 2, characterized in that, The second abutment (6) is provided with a sliding part (62), and the second valve part (8) is slidably connected to the sliding part (62); a limiting part (63) is provided at the end of the sliding part (62) away from the second abutment (6).

4. An air pump according to claim 3, characterized in that, The sliding part (62) extends through the second abutment (6) toward the first abutment (5).

5. An air pump according to claim 2, characterized in that, The second abutment (6) has an embedding groove (64) on the side away from the first abutment (5). The embedding groove (64) fits against the second valve (8). When a negative pressure is formed in the mounting cavity (11), the second valve (8) is embedded in the embedding groove (64) and covers the second air outlet (61).

6. An air pump according to claim 2, characterized in that, Both the first valve component (3) and the second valve component (8) are made of elastic material.

7. An air pump according to claim 1, characterized in that, At least one air inlet (12) shall be provided.

8. An air pump according to claim 2, characterized in that, The housing (1) is also provided with an abutment ring (9); the abutment ring (9) is located on the side of the first abutment member (5) away from the second abutment member (6), and when the first abutment member (5) moves toward the abutment ring (9), the piston ring (4) abuts against the abutment ring (9).

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