Diaphragm pump

Abstract

The utility model discloses a diaphragm pump which comprises a first suction pipeline, a first pump chamber, a first discharge pipeline, a second suction pipeline, a second pump chamber, a second discharge pipeline and a driving source, the first suction pipeline, the first pump chamber and the first discharge pipeline are sequentially communicated in a one-way mode, and the second suction pipeline, the second pump chamber and the second discharge pipeline are sequentially communicated in a one-way mode. The driving source is in transmission connection with the first pump chamber and can drive the first pump chamber to suck fluid from the first suction pipeline or discharge the fluid to the first discharge pipeline, and the driving source is further in transmission connection with the second pump chamber and can drive the second pump chamber to suck fluid from the second suction pipeline or discharge the fluid to the second discharge pipeline. The driving source and the first pump chamber are sequentially arranged in the first direction, and the driving source and the second pump chamber are sequentially arranged in the first direction. The utility model is applied to the field of active fluid conveying equipment.

Description

Technical Field

[0001] This utility model relates to the field of active fluid transport equipment, and in particular to a diaphragm pump. Background Technology

[0002] Diaphragm pumps, also known as control pumps, are a major type of actuator. They receive control signals from a control unit and use power to change the flow rate of fluids. In the control process, diaphragm pumps receive control signals from regulators or computers, change the flow rate of the controlled medium, and maintain the controlled parameters within the required range, thereby achieving automation of the production process.

[0003] In related technologies, diaphragm pumps draw in and discharge fluids by changing the volume of the working chamber through the back-and-forth movement of the diaphragm. Generally, a diaphragm pump includes two pump chambers, with a cam or similar device installed between the two chambers. The rotation of the cam changes the volume of the pump chambers, thereby achieving the intake or discharge of fluids. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a diaphragm pump that can improve fluid transport efficiency and save on pipeline layout costs.

[0005] The diaphragm pump according to an embodiment of the present invention includes:

[0006] A first suction pipe, a first pump chamber, and a first discharge pipe are connected sequentially in one direction.

[0007] A second suction pipe, a second pump chamber, and a second discharge pipe are connected in one direction in sequence.

[0008] A drive source is driven to the first pump chamber and is capable of driving the first pump chamber to draw in fluid from the first suction pipe or to discharge fluid to the first discharge pipe. The drive source is also driven to the second pump chamber and is capable of driving the second pump chamber to draw in fluid from the second suction pipe or to discharge fluid to the second discharge pipe.

[0009] The drive source and the first pump chamber are arranged sequentially along the first direction, and the drive source and the second pump chamber are arranged sequentially along the first direction.

[0010] The diaphragm pump according to the present invention has at least the following beneficial effects: by placing the drive source on the same side of the first pump chamber and the second pump chamber, the first pump chamber and the second pump chamber do not need to be separated by the drive source, the distance between the first pump chamber and the second pump chamber is shorter, the path of the fluid transported by the first pump chamber and the second pump chamber is shorter, thereby improving the fluid transport efficiency. Furthermore, the shorter distance between the first pump chamber and the second pump chamber makes it easier to arrange the pipes connecting the first pump chamber and the second pump chamber, saving pipe layout costs.

[0011] According to some embodiments of the present invention, the driving source is a cam or eccentric wheel capable of rotating about a second direction, the second direction being perpendicular to the first direction.

[0012] According to some embodiments of the present invention, the diaphragm pump further includes: a transmission assembly that drives the drive source, the first pump chamber, and the second pump chamber. The transmission assembly includes a first transmission member and a second transmission member. The first transmission member has a first end and a second end arranged sequentially along the first direction. The second transmission member has a third end and a fourth end arranged sequentially along the first direction. The first end and the third end are both elastically abutted against the outer peripheral surface of the drive source. The second end is connected to the first pump chamber, and the fourth end is connected to the second pump chamber.

[0013] According to some embodiments of the present invention, the first pump chamber and the second pump chamber are arranged opposite to each other along the first direction, the second end is connected to the side of the first pump chamber away from the second pump chamber, and the fourth end is connected to the side of the second pump chamber away from the first pump chamber.

[0014] According to some embodiments of the present invention, the first transmission member further includes a first rotating member disposed at the first end, the first rotating member being capable of rotating about the second direction, and the outer peripheral surface of the driving source abutting against the outer peripheral surface of the first rotating member;

[0015] The second transmission component further includes a second rotating component disposed at the second end, the second rotating component being capable of rotating about the second direction, and the outer peripheral surface of the drive source abutting against the outer peripheral surface of the second rotating component.

[0016] According to some embodiments of the present invention, the first rotating component is a bearing, and / or the second rotating component is a bearing.

[0017] According to some embodiments of the present invention, the second transmission member includes a first rod portion disposed along the first direction, and the first transmission member is slidably connected to the first rod portion.

[0018] According to some embodiments of the present invention, the transmission assembly further includes a linkage member and an elastic member. The linkage member is disposed between the first transmission member and the first pump chamber along the first direction. The first transmission member passes through the linkage member along the first direction. The second transmission member further includes a second rod portion. The first rod portion, the linkage member, and the second rod portion are sequentially connected along the first direction. The elastic member is sleeved on the first rod portion and located between the first end and the linkage member.

[0019] According to some embodiments of the present invention, the diaphragm pump further includes:

[0020] The pump body has a first pump slot and a second pump slot respectively on opposite sides along the first direction. The pump body also includes a first suction pipe and a first discharge pipe connected to the first pump slot, and a second suction pipe and a second discharge pipe connected to the second pump slot.

[0021] A first diaphragm is sealed and covered in the first pump groove, forming the first pump chamber, and the first diaphragm is drive-connected to the drive source;

[0022] The second diaphragm is sealed and covered in the second pump groove, forming the second pump chamber, and the second diaphragm is drivenly connected to the drive source.

[0023] According to some embodiments of the present invention, the pump body further includes a main suction port and a main discharge port, the first suction pipe and the second suction pipe are both connected to the main suction port, and the first discharge pipe and the second discharge pipe are both connected to the main discharge port.

[0024] According to some embodiments of the present invention, a first check valve is provided between the first suction pipe and the first pump chamber, and a second check valve is provided between the first pump chamber and the first discharge pipe;

[0025] A third check valve is provided between the second suction pipe and the second pump chamber, and a fourth check valve is provided between the second pump chamber and the second discharge pipe.

[0026] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0027] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0028] Figure 1 This is a simplified structural diagram of a diaphragm pump according to an embodiment of the present invention;

[0029] Figure 2This is a schematic cross-sectional view of a diaphragm pump according to an embodiment of the present invention;

[0030] Figure 3 This is a cross-sectional structural schematic diagram of a diaphragm pump according to another embodiment of the present invention.

[0031] Icon labels:

[0032] First pump chamber 100; First suction pipe 110; First discharge pipe 120;

[0033] Second pump chamber 200; Second suction pipe 210; Second discharge pipe 220;

[0034] Drive source 300; drive motor 310;

[0035] 400 for the casing;

[0036] Transmission assembly 500;

[0037] First transmission component 510; first end 511; second end 512; first rotating component 513; first frame 514; first rotating shaft 515;

[0038] Second transmission component 520; third end 521; fourth end 522; second rotating component 523; second frame 524; second rotating shaft 525; first rod portion 526; second rod portion 527; linkage component 530; elastic component 540;

[0039] Pump body 600; first pump tank 610; second pump tank 620; total suction inlet 630; total discharge outlet 640; first check valve 650; second check valve 660; third check valve 670; fourth check valve 680;

[0040] First diaphragm 700;

[0041] Second diaphragm 800. Detailed Implementation

[0042] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0043] In the description of this utility model, it should be understood that the orientation descriptions, such as up, down, etc., are based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0044] In the description of this utility model, "several" refers to one or more, and "multiple" refers to two or more. The use of "first" and "second" is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, the number of indicated technical features, or the sequential relationship between indicated technical features.

[0045] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0046] Reference Figures 1 to 3 As shown in the figure, this utility model embodiment proposes a diaphragm pump, including: a first suction pipe 110, a first pump chamber 100 and a first discharge pipe 120 connected in one direction in sequence, a second suction pipe 210, a second pump chamber 200 and a second discharge pipe 220 connected in one direction in sequence, and a drive source 300.

[0047] In this embodiment, the diaphragm pump also includes a housing 400, within which the first pump chamber 100, the second pump chamber 200, and the drive source 300 are all housed. The specific shape of the housing 400 can be selected according to actual needs, such as a rectangular or cylindrical shape; this invention does not limit its specific shape.

[0048] The drive source 300 is driven to the first pump chamber 100 and can drive the first pump chamber 100 to draw in fluid from the first suction pipe 110 or discharge fluid to the first discharge pipe 120. The drive source 300 is also driven to the second pump chamber 200 and can drive the second pump chamber 200 to draw in fluid from the second suction pipe 210 or discharge fluid to the second discharge pipe 220. The drive source 300 and the first pump chamber 100 are arranged sequentially along the first direction, and the drive source 300 and the second pump chamber 200 are arranged sequentially along the first direction.

[0049] In general, when the diaphragm pump needs to continuously draw in and discharge fluid, the first pump chamber 100 is in the state of drawing in fluid while the second pump chamber 200 is in the state of discharging fluid; the first pump chamber 100 is in the state of discharging fluid while the second pump chamber 200 is in the state of drawing in fluid; the first pump chamber 100 and the second pump chamber 200 alternately draw in and discharge fluid to achieve continuous fluid drawing in and discharge.

[0050] It is worth understanding that by placing the drive source 300 on the same side of the first pump chamber 100 and the second pump chamber 200, the first pump chamber 100 and the second pump chamber 200 do not need to be separated by the drive source 300. The distance between the first pump chamber 100 and the second pump chamber 200 is shorter, and the path of the fluid transported by the first pump chamber 100 and the second pump chamber 200 is shorter, thereby improving the fluid transport efficiency. In addition, the shorter distance between the first pump chamber 100 and the second pump chamber 200 makes it easier to arrange the pipes connecting the first pump chamber 100 and the second pump chamber 200, saving pipe layout costs.

[0051] Reference Figure 1 As shown, in some specific embodiments of this utility model, the driving source 300 is a cam or eccentric wheel that can rotate around a second direction, the second direction being perpendicular to the first direction.

[0052] It should be noted that the radial dimension from the outer circumference of the cam or eccentric wheel to the axis of rotation is not a constant value; in other words, its radial dimension changes, and one rotation constitutes one cycle. Taking a cam as an example, a cam includes a base circle and a convex circle. The base circle is the part of the cam whose radial dimension is the smallest on its outer circumference, and the remaining part is the convex circle. The convex circle also contains the circle with the largest radial dimension on the outer circumference of the cam, defined as the maximum circle. When moving along the outer circumference of the base circle to the maximum circle, the corresponding dimension of the cam increases, generally referred to as the advance stroke; when moving along the outer circumference of the maximum circle to the base circle, the corresponding dimension of the cam decreases, generally referred to as the return stroke.

[0053] In this embodiment, when the first transmission member 510 contacts the outer peripheral surface of the base circle portion, the first transmission member 510 remains stationary, and the first pump chamber 100 maintains its original size; when the first transmission member 510 contacts the advancing stroke in the outer peripheral surface of the cam, the first transmission member 510 squeezes the first pump chamber 100, the volume of the first pump chamber 100 decreases, and fluid is discharged; when the first transmission member 510 contacts the pushing stroke in the outer peripheral surface of the cam, the first transmission member 510 pulls back the first pump chamber 100, the volume of the first pump chamber 100 increases, and fluid is drawn in. When the second transmission member 520 contacts the outer peripheral surface of the base circle portion, the second transmission member 520 remains stationary, and the second pump chamber 200 maintains its original size; when the second transmission member 520 contacts the advancing stroke in the outer peripheral surface of the cam, the second transmission member 520 squeezes the second pump chamber 200, the volume of the second pump chamber 200 decreases and fluid is discharged; when the second transmission member 520 contacts the pushing stroke in the outer peripheral surface of the cam, the second transmission member 520 pulls back the second pump chamber 200, the volume of the second pump chamber 200 increases and fluid is drawn in.

[0054] Specifically, the diaphragm pump also includes a drive motor 310, which has an output shaft in a second direction. The output shaft is driven to a drive source 300 to drive a cam or eccentric wheel to rotate in the second direction.

[0055] As another implementation, the drive source 300 can also be a telescopic rod or the like that that moves alternately.

[0056] Reference Figure 1 and Figure 2 As shown, in some specific embodiments of this utility model, the diaphragm pump further includes: a transmission assembly 500 that drives the drive source 300, the first pump chamber 100, and the second pump chamber 200. The transmission assembly 500 includes a first transmission member 510 and a second transmission member 520. The first transmission member 510 has a first end 511 and a second end 512 arranged sequentially along a first direction. The second transmission member 520 has a third end 521 and a fourth end 522 arranged sequentially along the first direction. The first end 511 and the third end 521 are both elastically abutted against the outer peripheral surface of the drive source 300. The second end 512 is connected to the first pump chamber 100, and the fourth end 522 is connected to the second pump chamber 200.

[0057] In this embodiment, the first end 511 is plate-shaped, and the third end 521 is also plate-shaped. The plate surfaces of the first end 511 and the third end 521 elastically abut against the outer peripheral surface of the drive source 300. The elastic abutment means that the first end 511 and the third end 521 abut against the outer peripheral surface of the drive source 300 under the action of external elastic force. When the first end 511 or the third end 521 abuts against the outer peripheral surface of the cam during the push stroke, the first end 511 and the third end 521 will continue to abut against the outer peripheral surface of the drive source 300 under the action of elastic force, so that the diaphragm pump can continuously suck in and discharge fluid.

[0058] Specifically, the first end 511 abuts against a separate elastic object, such as a spring, and the third end 521 also abuts against a separate elastic object, such as a spring. The diaphragm pump also includes a housing 400, with the first end 511 facing and spaced apart from one side of the housing 400, and a spring positioned between them. Alternatively, a separate abutment plate can be provided within the housing 400, connected to the housing 400 and facing and spaced apart from the first end plate, with a spring positioned between the abutment plate and the first end 511. The connection between the third end 521 and the spring can also be as described above, and will not be elaborated further here.

[0059] Reference Figure 1 and Figure 2 As shown, in order to enable the diaphragm pump to continuously draw in and discharge fluid, in some specific embodiments of this utility model, the first pump chamber 100 and the second pump chamber 200 are arranged opposite each other along the first direction, the second end 512 is connected to the side of the first pump chamber 100 away from the second pump chamber 200, and the fourth end 522 is connected to the side of the second pump chamber 200 away from the first pump chamber 100.

[0060] Specifically, when the first transmission member 510 is in the advancing stroke, the first pump chamber 100 is compressed by the first transmission member 510, its volume decreases, and fluid is discharged. Simultaneously, when the second transmission member 520 is in the retreating stroke, the second pump chamber 200 is pulled by the second transmission member 520, its volume increases, and fluid is drawn in. Conversely, when the first transmission member 510 is in the retreating stroke, the first pump chamber 100 is pulled by the first transmission member 510, its volume increases, and fluid is drawn in. Simultaneously, when the second transmission member 520 is in the advancing stroke, the second pump chamber 200 is compressed by the second transmission member 520, its volume decreases, and fluid is discharged.

[0061] Reference Figure 1 , Figure 2 and Figure 3As shown, in some specific embodiments of this utility model, the first transmission member 510 further includes a first rotating member 513 disposed at the first end 511. The first rotating member 513 is capable of rotating around the second direction, and the outer peripheral surface of the drive source 300 abuts against the outer peripheral surface of the first rotating member 513. The second transmission member 520 further includes a second rotating member 523 disposed at the second end 512. The second rotating member 523 is capable of rotating around the second direction, and the outer peripheral surface of the drive source 300 abuts against the outer peripheral surface of the second rotating member 523. Through the sliding contact of the drive source 300, the first rotating member 513, and the second transmission member 520, the wear on the outer peripheral surface of the drive source 300 is reduced, the rotation of the drive source 300 is smoother, the noise during use is lower, and the service life is longer.

[0062] Specifically, the first rotating member 513 and the second rotating member 523 are both bearings. In this embodiment, the first transmission member 510 further includes a first frame 514 and a first rotating shaft 515 connected to the first frame 514. The first rotating shaft 515 is arranged along a second direction, and the first rotating member 513 is rotatably connected to the first rotating shaft 515. The second transmission member 520 further includes a second frame 524 and a second rotating shaft 525 connected to the second frame 524. The second rotating shaft 525 is arranged along a second direction, and the second rotating member 523 is rotatably connected to the second rotating shaft 525.

[0063] Reference Figure 2 As shown, in some specific embodiments of this utility model, the second transmission member 520 includes a first rod portion 526 arranged along a first direction, and the first transmission member 510 is slidably connected to the first rod portion 526.

[0064] It is worth understanding that the first transmission member 510 is guided by the first rod portion 526 of the second transmission member 520, making the movement of the first transmission member 510 along the first direction more stable. Furthermore, the first rod portion 526 serves both to transmit power to the second transmission member 520 and to guide the first transmission member 510. The first rod portion 526 has multiple functions at the same time, eliminating the need for a separate guide for the first transmission member 510, thus saving equipment costs and size, and improving the market competitiveness of the diaphragm pump.

[0065] Reference Figure 2 As shown, in some specific embodiments of this utility model, the transmission assembly 500 further includes a linkage member 530 and an elastic member 540. The linkage member 530 is disposed between the first transmission member 510 and the first pump chamber 100 along the first direction. The first transmission member 510 passes through the linkage member 530 along the first direction. The second transmission member 520 further includes a second rod portion 527. The first rod portion 526, the linkage member 530 and the second rod portion 527 are connected sequentially along the first direction. The elastic member 540 is sleeved on the first rod portion 526 and is located between the first end 511 and the linkage member.

[0066] It is worth understanding that by linking the first transmission member 510 and the second transmission member 520 through the linkage member 530, the first transmission member 510 and the second transmission member 520 can share the same elastic member 540 to achieve elastic contact. Furthermore, the elastic member 540 can also buffer the movement of the first transmission member 510 and the second transmission member 520 to reduce rigid collisions and friction, reduce the operating noise of the diaphragm pump, and improve the service life of the diaphragm pump.

[0067] In this embodiment, when the first transmission member 510 moves along the first direction, i.e., when the first transmission member 510 is in the advancing stroke of the drive source 300, the first transmission member 510 will compress the elastic member 540 along the first direction; the linkage member 530 is subjected to the reaction force applied by the elastic member 540 along the first direction, thereby causing the second transmission member 520 to have a tendency to move along the first direction and abut against the outer peripheral surface of the drive source 300. When the first transmission member 510 is in the pushing stroke of the drive source 300, the pressure applied by the first transmission member 510 to the elastic member 540 is removed, the elastic member 540 releases its own elastic potential energy, causing the first transmission member 510 to move in the opposite direction of the first direction and abut against the outer peripheral surface of the drive source 300. At the same time, the second transmission member 520 is in the advancing stroke of the drive source 300, and the second transmission member 520 will move away from the drive source 300 in the opposite direction of the first direction, causing the linkage member 530 to move in the opposite direction of the first direction.

[0068] Reference Figure 1 , Figure 2 and Figure 3 As shown, in some specific embodiments of this utility model, the diaphragm pump further includes: a pump body 600, a first diaphragm 700, and a second diaphragm 800.

[0069] In this embodiment, the pump body 600 has a first pump groove 610 and a second pump groove 620 respectively on opposite surfaces along a first direction. The pump body 600 also includes a first suction pipe 110 and a first discharge pipe 120 connected to the first pump groove 610, and a second suction pipe 210 and a second discharge pipe 220 connected to the second pump groove 620. The pump body 600 can be made of SUS316 stainless steel or other materials. When the fluid being pumped is corrosive, the material of the pump body 600 needs to be corrosion-resistant. The pump body 600 includes a main body and a connecting part. The first pump groove 610, a portion of the first suction pipe 110, a portion of the first discharge pipe 120, the second pump groove 620, a portion of the second suction pipe 210, and a portion of the second discharge pipe 220 are integrally formed in the main body. The connecting part is formed with the remaining portions of the first suction pipe 110, the second suction pipe 210, and the first discharge pipe 120 and the second discharge pipe 220.

[0070] A first diaphragm 700 is sealed and disposed on the first pump groove 610, forming a first pump chamber 100. The first diaphragm 700 is drive-connected to the drive source 300. A second diaphragm 800 is sealed and disposed on the second pump groove 620, forming a second pump chamber 200. The second diaphragm 800 is also drive-connected to the drive source 300. Both the first diaphragm 700 and the second diaphragm 800 are made of Teflon (PTFE) and have a certain degree of elasticity, allowing them to change the volume of the first pump chamber 100 and the second pump chamber 200 under the drive of the drive source 300, thereby achieving fluid intake and exhaust.

[0071] Reference Figure 1 As shown, in some specific embodiments of this utility model, the pump body 600 further includes a total suction port 630 and a total discharge port 640. The first suction pipe 110 and the second suction pipe 210 are both connected to the total suction port 630, and the first discharge pipe 120 and the second discharge pipe 220 are both connected to the total discharge port 640. It is worth understanding that the pump body 600 draws in and discharges fluid through the same total suction port 630 and the same total discharge port 640 to achieve continuous suction and continuous discharge of the diaphragm pump. In this embodiment, the first suction pipe 110 and the second suction pipe 210 are connected to the total suction port 630 within a connecting portion, and the first discharge pipe 120 and the second discharge pipe 220 are connected to the total discharge port 640 within a connecting portion.

[0072] Reference Figure 1 As shown, in some specific embodiments of this utility model, a first one-way valve 650 is provided between the first suction pipe 110 and the first pump chamber 100, and a second one-way valve 660 is provided between the first pump chamber 100 and the first discharge pipe 120; a third one-way valve 670 is provided between the second suction pipe 210 and the second pump chamber 200, and a fourth one-way valve 680 is provided between the second pump chamber 200 and the second discharge pipe 220.

[0073] In this embodiment, the first check valve 650, the second check valve 660, the third check valve 670, and the fourth check valve 680 are all located within the connecting portion. The connecting portion has a connecting surface that connects to the main body, and the connecting surface has a placement groove that connects to the corresponding pipe. All check valves are respectively located within their corresponding placement grooves, and the connection positions are sealed, making the connection between the pipes more reliable and the installation of the check valves more convenient.

[0074] In addition, the connection part includes an intake part and an exhaust part. The intake part is provided with a first intake pipe 110, a second intake pipe 210, a first one-way valve 650 and a third one-way valve 670, and the exhaust part is provided with a first exhaust pipe 120, a second exhaust pipe 220, a second one-way valve 660 and a fourth one-way valve 680.

[0075] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A diaphragm pump, characterized in that, include: A first suction pipe, a first pump chamber, and a first discharge pipe are connected sequentially in one direction. A second suction pipe, a second pump chamber, and a second discharge pipe are connected in one direction in sequence. A drive source is driven to the first pump chamber and is capable of driving the first pump chamber to draw in fluid from the first suction pipe or to discharge fluid to the first discharge pipe. The drive source is also driven to the second pump chamber and is capable of driving the second pump chamber to draw in fluid from the second suction pipe or to discharge fluid to the second discharge pipe. The drive source and the first pump chamber are arranged sequentially along the first direction, and the drive source and the second pump chamber are arranged sequentially along the first direction.

2. The diaphragm pump according to claim 1, characterized in that: The drive source is a cam or eccentric wheel that can rotate about a second direction, which is perpendicular to the first direction.

3. The diaphragm pump according to claim 2, characterized in that, Also includes: A transmission assembly is provided between the drive source, the first pump chamber, and the second pump chamber. The transmission assembly includes a first transmission member and a second transmission member. The first transmission member has a first end and a second end arranged sequentially along the first direction. The second transmission member has a third end and a fourth end arranged sequentially along the first direction. The first end and the third end are elastically abutted against the outer peripheral surface of the drive source. The second end is connected to the first pump chamber, and the fourth end is connected to the second pump chamber.

4. The diaphragm pump according to claim 3, characterized in that: The first pump chamber and the second pump chamber are arranged opposite to each other along the first direction, the second end is connected to the side of the first pump chamber away from the second pump chamber, and the fourth end is connected to the side of the second pump chamber away from the first pump chamber.

5. The diaphragm pump according to claim 3, characterized in that: The first transmission member further includes a first rotating member disposed at the first end, the first rotating member being capable of rotating about the second direction, and the outer peripheral surface of the driving source abutting against the outer peripheral surface of the first rotating member; The second transmission component further includes a second rotating component disposed at the second end, the second rotating component being capable of rotating about the second direction, and the outer peripheral surface of the drive source abutting against the outer peripheral surface of the second rotating component.

6. The diaphragm pump according to claim 3, characterized in that: The second transmission member includes a first rod portion disposed along the first direction, and the first transmission member is slidably connected to the first rod portion.

7. The diaphragm pump according to claim 6, characterized in that: The transmission assembly further includes a linkage and an elastic element. The linkage is disposed between the first transmission element and the first pump chamber along the first direction. The first transmission element passes through the linkage along the first direction. The second transmission element further includes a second rod portion. The first rod portion, the linkage, and the second rod portion are connected sequentially along the first direction. The elastic element is sleeved on the first rod portion and located between the first end and the linkage.

8. The diaphragm pump according to claim 1, characterized in that, Also includes: The pump body has a first pump slot and a second pump slot respectively on opposite sides along the first direction. The pump body also includes a first suction pipe and a first discharge pipe connected to the first pump slot, and a second suction pipe and a second discharge pipe connected to the second pump slot. A first diaphragm is sealed and covered in the first pump groove, forming the first pump chamber, and the first diaphragm is drive-connected to the drive source; The second diaphragm is sealed and covered in the second pump groove, forming the second pump chamber, and the second diaphragm is drivenly connected to the drive source.

9. The diaphragm pump according to claim 8, characterized in that: The pump body also includes a main suction port and a main discharge port. The first suction pipe and the second suction pipe are both connected to the main suction port, and the first discharge pipe and the second discharge pipe are both connected to the main discharge port.

10. The diaphragm pump according to claim 1, characterized in that: A first check valve is provided between the first suction pipe and the first pump chamber, and a second check valve is provided between the first pump chamber and the first discharge pipe; A third check valve is provided between the second suction pipe and the second pump chamber, and a fourth check valve is provided between the second pump chamber and the second discharge pipe.

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