Air pump assembly

Abstract

The utility model provides an air pump assembly, which belongs to the technical field of air pumps and comprises an air suction seat, an air inlet and an air outlet. The driving motor is connected with the air suction seat; the linkage assembly comprises a linkage wheel and two eccentric wheels, the linkage wheel is connected with the output end of the driving motor, and the two eccentric wheels are connected with the linkage wheel; the number of the piston assemblies is two, each piston assembly comprises a piston seat and a piston rod, the piston seats are connected with the air suction seat, the two ends of each piston rod are rotatably connected with the eccentric wheel and movably connected with the piston seats respectively, the piston seats are provided with exhaust ports, and the exhaust ports are communicated with the air suction port. The air pump assembly has the advantages that the driving motor can drive the two eccentric wheels to rotate at the same time through the linkage wheel so that the two piston rods can be driven to move relative to the piston base, air of the air suction port can be pumped into the two exhaust ports, and the efficiency of the air pump assembly is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of air pumps and relates to an air pump component. Background Art

[0002] An air pump is a device that removes or adds gas from a closed space. Air pumps are mainly divided into electric air pumps, manual air pumps and foot-operated air pumps. Among them, most air pumps are electric air pumps. Electric air pumps are air pumps that use electricity as a power source. They use electricity to continuously compress gas and generate air pressure.

[0003] In the prior art, electric air pumps generally use a motor to drive a piston rod to reciprocate relative to a piston seat through a transmission assembly to compress gas to generate air pressure. However, the problem is that the motor can only drive a single piston rod to reciprocate relative to a single piston seat, resulting in low efficiency and a large room for improvement. Summary of the invention

[0004] The utility model aims to solve the above problems in the prior art and proposes an air pump assembly.

[0005] The purpose of the utility model can be achieved through the following technical solutions: an air pump assembly, comprising:

[0006] An air suction seat, which is provided with an air suction port;

[0007] A driving motor connected to the suction seat;

[0008] A linkage assembly, comprising a linkage wheel and two eccentric wheels, wherein the linkage wheel is connected to the output end of the driving motor, and the two eccentric wheels are connected to the linkage wheel, and the rotation of the linkage wheel can simultaneously drive the two eccentric wheels to rotate;

[0009] The piston assembly is two in number, and the piston assembly includes a piston seat and a piston rod, wherein the piston seat is connected to the suction seat, one end of the piston rod is rotatably connected to the eccentric wheel, and the other end of the piston rod is movably connected to the piston seat, and the piston seat is provided with an exhaust port, and the exhaust port is communicated with the suction port;

[0010] The driving motor can drive the two eccentric wheels to rotate simultaneously through the linkage wheel, thereby respectively driving the two piston rods to move relative to the piston seat, thereby respectively pumping the gas from the air intake port into the two air exhaust ports.

[0011] In the above-mentioned air pump assembly, the linkage wheel is the first gear, the eccentric wheel is the second gear, and the two second gears are meshed with the first gear.

[0012] In the above-mentioned air pump assembly, an eccentric shaft is provided on the circumferential surface of the eccentric wheel, and the piston rod is rotatably connected to the eccentric wheel via the eccentric shaft.

[0013] In the above-mentioned air pump assembly, it also includes a shell, which covers the suction seat, the drive motor, the linkage assembly and the piston assembly.

[0014] In the above-mentioned air pump assembly, it also includes an air outlet seat, which is arranged in the shell, and the air outlet seat is provided with an air outlet and two connecting ports, both of the two connecting ports are connected to the air outlet, and the two connecting ports are respectively connected to the exhaust ports of the two piston assemblies, and the air outlet is penetrated by the shell.

[0015] In the above-mentioned air pump assembly, it also includes an air inlet seat, which is arranged in the shell and connected to the air outlet seat. The air inlet seat is provided with an air inlet and a transport port, and the transport port is connected to the air inlet. The air inlet passes through the shell, and the transport port is connected to the air outlet.

[0016] In the above-mentioned air pump assembly, it also includes an intake motor and an impeller, the intake motor and the impeller are both arranged in the shell, the intake motor is connected to the intake seat, the impeller is arranged in the intake seat, the impeller is connected to the output end of the intake motor, and the intake motor can drive the impeller to rotate to push the gas at the intake port into the transport port.

[0017] In the above-mentioned air pump assembly, it also includes a circuit board and a control button. The circuit board is arranged in the shell, the control button is connected to the shell, the circuit board is electrically connected to the drive motor, and the control button is electrically connected to the circuit board. The control button can control whether the drive motor works or not through the circuit board.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. The driving motor can drive the two eccentric wheels to rotate simultaneously through the linkage wheel, thereby driving the two piston rods to move relative to the piston seat, so as to pump the gas from the suction port into the two exhaust ports respectively, so that one driving element drives the two actuators to move, thereby greatly improving the efficiency of the air pump assembly.

[0020] 2. The linkage wheel is the first gear, the eccentric wheel is the second gear, and the two second gears are meshed with the first gear. Therefore, when the first gear rotates, the two second gears are driven to rotate at the same time, and the transmission efficiency is high.

[0021] 3. The two connecting ports are respectively connected to the exhaust ports of the two piston assemblies and both connecting ports are connected to the air outlet, so the gases of the two exhaust ports are collected and discharged together, which indirectly increases the power of the air pump assembly.

[0022] 4. The gas from the air inlet seat enters the air outlet seat through the transport port, and is mixed with the gas from the air intake port and the gas compressed by the piston assembly at the air outlet seat and discharged together through the air outlet.

[0023] 5. The air intake motor can drive the impeller to rotate, thereby pushing the gas at the air intake port into the transport port, accelerating the gas at the air intake seat to enter the air outlet seat through the transport port, thereby improving the efficiency of the air pump assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the utility model.

[0025] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0026] Figure 3 It is a structural schematic diagram of the air suction seat, drive motor, linkage assembly, piston assembly and air outlet seat of the utility model.

[0027] Figure 4 It is an exploded view of the air suction seat, drive motor, linkage assembly, piston assembly and air outlet seat of the utility model.

[0028] Figure 5 It is a structural schematic diagram of the air intake seat of the utility model.

[0029] Figure 6 It is an exploded view of the air intake seat of the utility model.

[0030] In the figure, 100, air intake seat; 110, air intake port; 200, driving motor; 300, linkage assembly; 310, linkage wheel; 320, eccentric wheel; 321, eccentric shaft; 400, piston assembly; 410, piston seat; 411, exhaust port; 420, piston rod; 500, shell; 600, air outlet seat; 610, air outlet; 620, connecting port; 700, air intake seat; 710, air intake port; 720, transport port; 810, air intake motor; 820, impeller; 910, circuit board; 920, control button. DETAILED DESCRIPTION

[0031] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0032] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0033] In addition, in the present invention, the descriptions of "first", "second", "one", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0034] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0036] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0037] like Figure 1-Figure 6 As shown, an air pump assembly includes: an air suction seat 100, a driving motor 200, a linkage assembly 300 and a piston assembly 400.

[0038] The suction seat 100 is provided with a suction port 110 .

[0039] The driving motor 200 is connected to the suction seat 100 .

[0040] Among them, the linkage assembly 300 includes a linkage wheel 310 and two eccentric wheels 320. The linkage wheel 310 is connected to the output end of the drive motor 200, and the two eccentric wheels 320 are connected to the linkage wheel 310. The rotation of the linkage wheel 310 can simultaneously drive the two eccentric wheels 320 to rotate.

[0041] Among them, the number of piston assemblies 400 is two, and the piston assembly 400 includes a piston seat 410 and a piston rod 420. The piston seat 410 is connected to the suction seat 100, one end of the piston rod 420 is rotatably connected to the eccentric wheel 320, and the other end of the piston rod 420 is movably connected to the piston seat 410. The piston seat 410 is provided with an exhaust port 411, and the exhaust port 411 is connected to the suction port 110.

[0042] The driving motor 200 can drive the two eccentric wheels 320 to rotate simultaneously through the linkage wheel 310, thereby respectively driving the two piston rods 420 to move relative to the piston seat 410, thereby pumping the gas from the air intake port 110 into the two air exhaust ports 411 respectively.

[0043] It is worth noting here that the connection between the two eccentric wheels 320 and the linkage wheel 310 is a linkage connection. The rotation of the linkage wheel 310 can drive the two eccentric wheels 320 to rotate at the same time. The specific transmission method is not specifically limited here. The transmission wheel can drive the two eccentric wheels 320 to rotate respectively through two transmission belts, or it can be a gear transmission.

[0044] In this embodiment, the driving motor 200 can drive the two eccentric wheels 320 to rotate simultaneously through the linkage wheel 310, thereby respectively driving the two piston rods 420 to move relative to the piston seat 410, thereby pumping the gas from the intake port 110 into the two exhaust ports 411 respectively, realizing that one driving element drives two actuators to move, thereby greatly improving the efficiency of the air pump assembly.

[0045] like Figure 1-Figure 6 As shown, on the basis of the above embodiment, the linkage wheel 310 is the first gear, the eccentric wheel 320 is the second gear, and the two second gears are meshed with the first gear.

[0046] In this embodiment, the linkage wheel 310 is the first gear, the eccentric wheel 320 is the second gear, and the two second gears are meshed with the first gear. Therefore, when the first gear rotates, the two second gears are driven to rotate simultaneously, and the transmission efficiency is high.

[0047] Specifically, an eccentric shaft 321 is disposed on the circumferential surface of the eccentric wheel 320 , and the piston rod 420 is rotatably connected to the eccentric wheel 320 via the eccentric shaft 321 .

[0048] like Figure 1-Figure 6 As shown, based on the above embodiment, it further includes a shell 500 , and the shell 500 covers the suction seat 100 , the drive motor 200 , the linkage assembly 300 and the piston assembly 400 .

[0049] In this embodiment, the housing 500 covers the suction seat 100 , the drive motor 200 , the linkage assembly 300 and the piston assembly 400 , and plays a role in fixing and protecting the suction seat 100 , the drive motor 200 , the linkage assembly 300 and the piston assembly 400 .

[0050] like Figure 1-Figure 6 As shown, on the basis of the above embodiment, it also includes an air outlet seat 600, and the air outlet seat 600 is arranged in the shell 500. The air outlet seat 600 is provided with an air outlet 610 and two connecting ports 620. The two connecting ports 620 are both connected to the air outlet 610, and the two connecting ports 620 are respectively connected to the exhaust ports 411 of the two piston assemblies 400, and the air outlet 610 is penetrated by the shell 500.

[0051] In this embodiment, the two connecting ports 620 are respectively connected to the exhaust ports 411 of the two piston assemblies 400 and the two connecting ports 620 are both connected to the air outlet 610, so the gases in the two exhaust ports 411 are collected and discharged together, indirectly increasing the power of the air pump assembly.

[0052] like Figure 1-Figure 6 As shown, on the basis of the above embodiment, it also includes an air inlet seat 700, which is arranged in the shell 500 and connected to the air outlet seat 600, and the air inlet seat 700 is provided with an air inlet 710 and a transport port 720, and the transport port 720 is connected to the air inlet 710, and the air inlet 710 is penetrated by the shell 500, and the transport port 720 is connected to the air outlet 610.

[0053] In this embodiment, the gas from the air inlet seat 700 enters the air outlet seat 600 through the transport port 720 , and is mixed with the gas from the air inlet 110 and compressed by the piston assembly 400 in the air outlet seat 600 , and is discharged together through the air outlet 610 .

[0054] like Figure 1-Figure 6As shown, on the basis of the above embodiment, it also includes an intake motor 810 and an impeller 820, the intake motor 810 and the impeller 820 are both arranged in the shell 500, the intake motor 810 is connected to the intake seat 700, the impeller 820 is arranged in the intake seat 700, the impeller 820 is connected to the output end of the intake motor 810, the intake motor 810 can drive the impeller 820 to rotate, thereby pushing the gas at the intake port 710 to enter the transport port 720.

[0055] In this embodiment, the air intake motor 810 can drive the impeller 820 to rotate, thereby pushing the gas in the air inlet 710 into the transport port 720, accelerating the gas in the air intake seat 700 to enter the air outlet seat 600 through the transport port 720, thereby improving the efficiency of the air pump assembly.

[0056] like Figure 1-Figure 6 As shown, on the basis of the above embodiment, it also includes a circuit board 910 and a control button 920, the circuit board 910 is arranged in the shell 500, the control button 920 is connected to the shell 500, the circuit board 910 is electrically connected to the drive motor 200, the control button 920 is electrically connected to the circuit board 910, and the control button 920 can control whether the drive motor 200 works or not through the circuit board 910.

[0057] In this embodiment, the control button 920 is electrically connected to the drive motor 200 through the circuit board 910. The control button 920 can control whether the drive motor 200 works through the circuit board 910, which is equivalent to controlling the movement of the two piston assemblies 400 at the same time through one control button 920.

Claims

1. An air pump assembly, characterized in that: include: An air suction seat, which is provided with an air suction port; A driving motor connected to the suction seat; A linkage assembly, comprising a linkage wheel and two eccentric wheels, wherein the linkage wheel is connected to the output end of the driving motor, and the two eccentric wheels are connected to the linkage wheel, and the rotation of the linkage wheel can simultaneously drive the two eccentric wheels to rotate; The piston assembly is two in number, and the piston assembly includes a piston seat and a piston rod, wherein the piston seat is connected to the suction seat, one end of the piston rod is rotatably connected to the eccentric wheel, and the other end of the piston rod is movably connected to the piston seat, and the piston seat is provided with an exhaust port, and the exhaust port is communicated with the suction port; The driving motor can drive the two eccentric wheels to rotate simultaneously through the linkage wheel, thereby respectively driving the two piston rods to move relative to the piston seat, thereby respectively pumping the gas from the air intake port into the two air exhaust ports.

2. An air pump assembly according to claim 1, characterized in that: The linkage wheel is a first gear, the eccentric wheel is a second gear, and both of the second gears are meshed with the first gear.

3. An air pump assembly as claimed in claim 2, characterized in that: An eccentric shaft is arranged on the circumferential surface of the eccentric wheel, and the piston rod is rotatably connected to the eccentric wheel via the eccentric shaft.

4. An air pump assembly as claimed in claim 1, characterized in that: It also includes a shell, which covers the suction seat, the drive motor, the linkage assembly and the piston assembly.

5. An air pump assembly as claimed in claim 4, characterized in that: It also includes an air outlet seat, which is arranged in the shell. The air outlet seat is provided with an air outlet and two connecting ports. The two connecting ports are both connected to the air outlet. The two connecting ports are respectively connected to the exhaust ports of the two piston assemblies. The air outlet is penetrated by the shell.

6. An air pump assembly as claimed in claim 5, characterized in that: It also includes an air inlet seat, which is arranged in the shell and connected to the air outlet seat, and the air inlet seat is provided with an air inlet and a transport port, the transport port is communicated with the air inlet, the air inlet is penetrated by the shell, and the transport port is communicated with the air outlet.

7. An air pump assembly as claimed in claim 6, characterized in that: It also includes an intake motor and an impeller, which are both arranged in the shell, the intake motor is connected to the intake seat, the impeller is arranged in the intake seat, and the impeller is connected to the output end of the intake motor. The intake motor can drive the impeller to rotate, thereby pushing the air from the intake port into the transport port.

8. An air pump assembly as claimed in claim 4, characterized in that: It also includes a circuit board and a control button, the circuit board is arranged in the shell, the control button is connected to the shell, the circuit board is electrically connected to the drive motor, the control button is electrically connected to the circuit board, and the control button can control whether the drive motor works or not through the circuit board.

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