CN212838210U - Pump body and have its from mixing foaming device - Google Patents

Abstract

The application discloses pump body and have its from mixing foaming device, this pump body includes: a plunger pump portion including a plunger cavity and a plunger disposed within the plunger cavity; a diaphragm pump portion including a plurality of diaphragm chambers made of a flexible material; and a rotary disk provided under the diaphragm pump portion and the plunger pump portion for providing a power source for the plunger pump portion and the diaphragm pump portion in a rotary-rocking manner; the rotating disc can drive the plunger to reciprocate up and down so as to discharge liquid or suck liquid; the rotating disk can cause the diaphragm chambers to compress or bulge to expel or draw in water and gas. In this way, the pump body in this application can realize that water liquid is from mixing, can dispose the ordinary liquid soap that does not dispose in the market, has convenient to use, advantage that use cost is low.

Description

Pump body and have its from mixing foaming device

Technical Field

The application relates to the technical field of dust collectors, in particular to a fan cover and a fan with the fan cover.

Background

Hand washing is a living habit for keeping cleanness and sanitation in daily life of people, and not only demands household facilities, but also demands public facilities. Various water taps appear in the market today, and with the innovation of technology, the water taps are constantly being updated and perfected. Traditional hand washer is tap, during the hand washing, gets the liquid soap and will go to the wall and get to dry the hand in order to go to hand dryer department on next door, and it is more troublesome to move around, and simultaneously at the removal in-process of hand, the water that remains on hand can drip on the mesa and subaerial, causes mesa and ground moist untidy, skids easily, needs clean power frequency to clean frequently. Therefore, hand washing machines with full-automatic hand washing functions appear in the market, and compared with the traditional water faucet, the hand washing machine has the advantage of convenience in use. However, the hand sanitizer used in the hand washing machine in the existing market can only be prepared hand sanitizer specially used for the hand washing machine, and the common hand sanitizer directly purchased in the market cannot be suitable for the hand washing machine. Therefore, the defects of inconvenient use and high use cost are caused. Therefore, it is necessary to research a pump body and a self-mixing foaming device having the same.

Disclosure of Invention

To the weak point that exists in the above-mentioned technique, this application provides a pump body and have its from mixing foaming device, can realize water liquid from mixing, can dispose the ordinary liquid soap that does not dispose in the market, has convenient to use, advantage that use cost is low.

In order to solve the technical problem, the technical scheme adopted by the application is as follows:

a pump body, comprising: a plunger pump portion including a plunger cavity and a plunger disposed within the plunger cavity; a diaphragm pump portion including a plurality of diaphragm chambers made of a flexible material; and a rotary disk provided under the diaphragm pump portion and the plunger pump portion for providing a power source for the plunger pump portion and the diaphragm pump portion in a rotary-rocking manner; the rotating disc can drive the plunger to reciprocate up and down so as to discharge liquid or suck liquid; the rotating disk enables the diaphragm chambers to compress or bulge to expel or draw in water and gas.

In an embodiment of the application, a first connecting structure is arranged on the rotating disc, a second connecting structure is arranged on the plunger, and the rotating disc is connected with the plunger through the matching of the first connecting structure and the second connecting structure so as to enable the plunger to move up and down.

In an embodiment of the present application, the first connecting structure comprises an engaging rod disposed at a top of the rotating disk, and the second connecting structure comprises a plunger slot disposed at a bottom of the plunger; the connecting rod is provided with a convex part clamped in the plunger groove, and the top end surface of the convex part is an arc surface, so that the convex part can rotate and shake in the plunger groove.

In one embodiment of the present application, the axis of the diaphragm chamber is parallel to the axis of the plunger chamber, and the outer wall of the chamber bottom of the diaphragm chamber is provided with connecting rods distributed along the axial direction of the diaphragm chamber; the connecting rod is characterized in that a spherical bulge part is formed on the circumferential wall of the connecting rod, and the rotating disc is provided with a through hole matched with the bulge part, so that when the rotating disc rotates and swings, the diaphragm cavity can be driven to be compressed or fully expanded.

In an embodiment of the present application, further comprising a driving unit, the driving unit comprising: an eccentric cam connected with and located below the rotating disc; the motor is connected with the eccentric cam and drives the eccentric cam to horizontally rotate; the eccentric cam is connected with the rotating disc through a metal rod, the motor is provided with a rotating axis parallel to the axis of the plunger cavity, the metal rod is provided with a central axis, and an included angle is formed between the rotating axis of the motor and the central axis of the metal rod, so that the rotating disc rotates and swings up and down under the driving of the motor.

In an embodiment of the present application, the plunger pump portion and the diaphragm pump portion constitute a pump body, and the diaphragm chamber is divided into an air chamber and a water chamber.

In an embodiment of the present application, the pump body includes: the diaphragm pump base body is made of flexible materials and is formed with the air cavity and the water cavity; the pump cavity support is fixedly connected with the diaphragm pump base body and used for supporting the diaphragm pump base body, and the plunger cavity is formed in the pump cavity support; the partition plate is fixedly arranged at the top cavity openings of the air cavity, the water cavity and the plunger cavity; the one-way valve bracket is fixedly arranged at the top of the partition plate; the cover plate is fixedly arranged at the top of the one-way valve bracket, and a plurality of chambers are formed in the cover plate so as to form a plurality of mutually independent introduction areas and pre-discharge areas; the air cavity, the water cavity and the plunger cavity are respectively and correspondingly communicated with the introducing area and the pre-discharging area; the plurality of introducing regions are communicated with the air cavity, the water cavity and the plunger cavity through inlet channels; the plurality of pre-discharge areas are communicated with the air cavity, the water cavity and the plunger cavity through outlet channels; and the one-way valve bracket is provided with a one-way valve in the inlet channel and a one-way valve in the outlet channel.

In one embodiment of the present application, the plurality of introduction zones includes a gas introduction zone, a water introduction zone, and a liquid introduction zone; the top of the cover plate is provided with an air inlet communicated with the air introducing area, a water inlet pipe communicated with the water introducing area and a liquid inlet pipe communicated with the liquid introducing area.

In an embodiment of the present application, the plurality of pre-discharge areas include an air pre-discharge area, a water pre-discharge area, and a liquid pre-discharge area, wherein an air outlet pipe communicated with the air pre-discharge area, a water outlet pipe communicated with the water pre-discharge area, and a liquid outlet pipe communicated with the liquid pre-discharge area are disposed at the bottom of the cover plate; or the plurality of pre-exhaust areas comprise an air pre-exhaust area and a water liquid mixing pre-exhaust area, wherein the bottom of the cover plate is provided with an air outlet pipe communicated with the air pre-exhaust area and a water liquid mixing and discharging pipe communicated with the water liquid mixing pre-exhaust area.

In order to solve the above technical problem, another solution proposed by the present application is:

a self-mixing foaming device comprises a foaming unit and the pump body, wherein the pump body and the foaming unit are arranged in a split mode and are connected through a hose.

Compared with the prior art, the application has the beneficial effects that:

the application provides a pump body and have its from mixing foaming device, it has the function of plunger pump and diaphragm pump simultaneously, can configure into the liquid soap that is applicable to the hand washer with comparatively viscous ordinary liquid soap on the market, has simple structure, convenient to use's advantage. Furthermore, the motor drives the eccentric cam and the rotating disc to move ceaselessly, the foaming operation can be controlled steplessly, no stroke limitation exists, and the foaming device has the advantage of good foaming continuity.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:

fig. 1 is a schematic structural view of a self-mixing foaming device proposed in the present application;

FIG. 2 is an exploded view of the pump body of the present application;

FIG. 3 is a schematic view of the construction of the diaphragm pump base of the pump body proposed in the present application;

FIG. 4 is a schematic structural view of an upper cover plate of the pump body proposed by the present application;

FIG. 5 is a schematic view of a lower cover plate of the pump body as set forth herein, under one embodiment;

FIG. 6 is a schematic view of the structure of the one-way valve support of the pump body proposed in the present application;

FIG. 7 is a schematic cross-sectional view of the pump body according to the present application at the air cavity;

FIG. 8 is a schematic cross-sectional view of the pump body of the present application at the water cavity;

FIG. 9 is a schematic cross-sectional view of a pump body according to the present application at the plunger cavity;

FIG. 10 is a schematic cross-sectional view of a pump body according to the present application between a plunger and an adapter rod;

FIG. 11 is an exploded view of FIG. 10;

FIG. 12 is a cross-sectional view of the pump body shown in the present application between the center post and the metal bar;

FIG. 13 is a schematic view of a lower cover plate of the pump body as set forth in the present application, under another embodiment;

fig. 14 is a schematic view of the structure of the foaming unit in the present application.

100-diaphragm pump base; 110-air cavity; 111-an intake passage; 112-an air outlet channel; 113-gas introduction zone; 114-gas pre-exhaust area; 120-a water chamber; 121-a water inlet channel; 122-a water outlet channel; 123-a water introduction zone; 124-water pre-drainage area; 130-a connecting rod; 131-bulge part; 200-a pump chamber holder; 210-a plunger cavity; 211-a liquid inlet channel; 212-liquid outlet channel; 213-a liquid introduction zone; 214-liquid pre-drain zone; 220-a plunger; 221-plunger slot; 300-rotating the disc; 310-an engagement rod; 320-a through hole; 330-a central column; 400-a drive unit; 410-an eccentric cam; 411-inclined holes; 420-a metal rod; 500-a separator; 600-one-way valve support; 610-inlet one-way valve; 620-outlet one-way valve; 700-lower cover plate; 710-a liquid outlet pipe; 720-water outlet pipe; 730-an air outlet pipe; 740-water liquid mixing and discharging pipe; 800-upper cover plate; 810-a liquid inlet pipe; 820-a water inlet pipe; 830-an air intake; 900-a foaming unit; 910-a foaming frame; 911-water connecting pipe; 912-liquid connection pipe; 913-a gas connecting tube; 920-a nylon net mounting rack; 921-coarse nylon mesh; 922-fine nylon mesh.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "comprising" and "having," as well as any variations thereof, in this application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Fig. 1, fig. 2, and fig. 7 to fig. 9 are schematic structural diagrams of a self-mixing foaming device, fig. 2 is an exploded structural diagram of a pump body, fig. 7 is a schematic sectional structural diagram of an air cavity of the pump body, fig. 8 is a schematic sectional structural diagram of a water cavity of the pump body, and fig. 9 is a schematic sectional structural diagram of a plunger cavity of the pump body. In the present application, the pump body comprises: a plunger pump portion including a plunger cavity 210 and a plunger 220 disposed within the plunger cavity 210; a diaphragm pump portion including a plurality of diaphragm chambers made of a flexible material; and a rotary disk 300 provided under the diaphragm pump portion and the plunger pump portion for providing a power source for the plunger pump portion and the diaphragm pump portion in a rotary-shaking manner; wherein, the rotating disc 300 can drive the plunger 220 to reciprocate up and down to discharge liquid or suck liquid; the rotating disk 300 enables the diaphragm chambers to compress or bulge to expel or intake water and gas.

In this application, the plunger pump part and the diaphragm pump part constitute the pump body, and considering that the power of diaphragm pump is less than the power of plunger pump, the diaphragm chamber divide into the air chamber 110 that is used for the holding air and is used for the water chamber 120 of holding clear water, and the plunger pump is used for holding the relative air of viscidity and the big cleaning solution of clear water. In the application, the gas-liquid ratio between the gas discharged by the pump body in each working stroke and the water liquid, specifically clear water and cleaning liquid, satisfies 10: 1-12: 1, and herein, the number of the air cavities 110 is greater than the number of the water cavities 120 and the plunger cavities 210.

In this way, the pump body that this application provided has the function of plunger pump and diaphragm pump simultaneously, can configure into the liquid soap that is applicable to the hand washer with comparatively thick ordinary liquid soap on the market, has simple structure, convenient to use's advantage. Therefore, a user can directly purchase a common hand sanitizer on the market as a hand sanitizer of the hand washing machine, the use cost can be effectively reduced, and the hand washing machine has the advantages of simple structure and high cost performance.

Further, referring to fig. 10 to 12, fig. 10 is a schematic cross-sectional view illustrating a plunger and a connecting rod of a pump body according to the present disclosure, fig. 11 is a schematic exploded view illustrating the pump body according to the present disclosure, and fig. 12 is a schematic cross-sectional view illustrating a center post and a metal rod of the pump body according to the present disclosure. The rotary disc 300 is substantially disc-shaped, a first connecting structure is arranged on the rotary disc 300, a second connecting structure is arranged on the plunger 220, and the rotary disc 300 is connected with the plunger 220 through the matching of the first connecting structure and the second connecting structure so as to enable the plunger 220 to move up and down. Specifically, the first connection structure includes an engagement rod 310 disposed at the top of the rotating disk 300, and the second connection structure includes a plunger groove 221 disposed at the bottom of the plunger 220; the connecting rod 310 is provided with a convex portion 311 which is clamped in the plunger groove 221, and the top end surface of the convex portion 311 is an arc surface, so that the convex portion 311 can rotate and swing in the plunger groove 221. Therefore, the device has the advantages of stable and reliable connection and smooth movement.

In order to reduce vibration and friction between the joint rod 310 and the groove wall of the plunger groove 221, a soft filler (not shown) is filled in the plunger groove 221, whereby vibration and friction between the joint rod 310 and the groove wall of the plunger groove 221 can be effectively reduced.

Further, the pump body still includes drive unit, and drive unit includes: an eccentric cam 410 connected with the rotating disk 300 and located below the rotating disk 300; a motor (not shown) connected to the eccentric cam 410 to horizontally rotate the eccentric cam 410; the eccentric cam 410 is connected with the rotating disc 300 through a metal rod 420, the motor has a rotation axis parallel to the axis of the plunger chamber 210, the metal rod 420 has a central axis, and an included angle M is formed between the rotation axis of the motor and the central axis of the metal rod 420, so that the rotating disc 300 rotates and swings up and down under the driving of the motor. The stability and reliability of connection can be effectively improved by the connection of the metal rods 420.

Further, the rotating disc 300 is provided with a central column 330 distributed along an axial direction thereof, and the metal rod 420 is coaxially disposed with the central column 330. One end of the metal rod 420 is fixed in the central column 330, the other end is inserted into the eccentric cam 410, and the eccentric cam 410 is provided with an inclined hole 411 for inserting the metal rod 420. Therefore, the connecting device has the advantages of convenience in installation and reliability in connection.

Further, with continued reference to fig. 2 to 6, the pump body includes: a diaphragm pump base 100 made of a flexible material and formed with an air chamber 110 and a water chamber 120; a pump chamber bracket 200 fixedly connected to the diaphragm pump base body 100 for supporting the diaphragm pump base body 100, the pump chamber bracket 200 having a plunger chamber 210 formed thereon; the partition 500 is fixedly arranged at the top cavity openings of the air cavity 110, the water cavity 120 and the plunger cavity 210; a check valve supporter 600 fixedly installed at the top of the partition 500; and a cover plate fixedly disposed on the top of the check valve bracket 600 and having a plurality of chambers formed therein to form a plurality of independent introduction regions and pre-discharge regions. Wherein, the air cavity 110, the water cavity 120 and the plunger cavity 210 are respectively and correspondingly communicated with an introduction area and a pre-discharge area; the plurality of introduction areas are communicated with the air cavity 110, the water cavity 120 and the plunger cavity 210 through the inlet channels; the plurality of pre-discharge areas are communicated with the air cavity 110, the water cavity 120 and the plunger cavity 210 through outlet channels; the one-way valve bracket 600 is provided with an inlet one-way valve 610 positioned in the inlet channel and an outlet one-way valve 620 positioned in the outlet channel; the inlet passage and the outlet passage vertically penetrate the partition plate 500 and the check valve supporter 600.

Further, please refer to fig. 3, fig. 3 is a schematic structural diagram of a diaphragm pump base body of the pump body according to the present application, the diaphragm pump base body 100 is made of flexible materials such as rubber and silica gel, axes of the air cavity 110 and the water cavity 120 are respectively parallel to an axis of the plunger cavity 210, and the outer walls of the cavity bottoms of the air cavity 110 and the water cavity 120 are respectively provided with connecting rods 130 distributed along the axial direction thereof. Specifically, a spherical bulge 131 is formed on the circumferential wall of the connecting rod 130, and the rotating disc 300 is provided with a through hole 320 matched with the bulge 131, so that the air chamber 110 and the water chamber 120 can be driven to be compressed or fully inflated when the rotating disc 300 rotates and shakes.

Further, please refer to fig. 4 and 5, in which fig. 4 is a schematic structural diagram of an upper cover plate of the pump body according to the present application, and fig. 5 is a schematic structural diagram of a lower cover plate of the pump body according to an embodiment of the present application. The cover plate comprises an upper cover plate 800 and a lower cover plate 700 which are connected, the upper cover plate 800 and the lower cover plate 700 are both of shell structures, ribs are arranged on the bottom end face of the upper cover plate 800 and the top end face of the lower cover plate 700 to enclose a cavity which can be used as a lead-in area and a pre-discharge area.

Specifically, the plurality of introduction zones includes a gas introduction zone 113, a water introduction zone 123, and a liquid introduction zone 213. Wherein, the top of the upper cover plate 800 is provided with an air inlet hole 830 communicated with the air introduction region 113, a water inlet pipe 820 communicated with the water introduction region 123, and a liquid inlet pipe 810 communicated with the liquid introduction region 213.

In one embodiment, referring to fig. 5, the plurality of pre-discharge regions includes an air pre-discharge region 114, a water pre-discharge region 124, and a liquid pre-discharge region 214. Wherein, the bottom of the lower cover plate 700 is provided with an air outlet pipe 730 communicated with the air pre-discharging area 114, an water outlet pipe 720 communicated with the water pre-discharging area 124 and a liquid outlet pipe 710 communicated with the liquid pre-discharging area 214.

In another embodiment, please refer to fig. 13, fig. 13 is a schematic view of a lower cover plate of a pump body according to another embodiment of the present application. The plurality of pre-exhaust regions comprise an air pre-exhaust region 114 and a water mixing pre-exhaust region, wherein the bottom of the cover plate is provided with an air outlet pipe 730 communicated with the air pre-exhaust region 114 and a water mixing and discharging pipe 740 communicated with the water mixing pre-exhaust region. Thereby, a premixing of the fresh water and the cleaning liquid can be achieved.

Further, with continuing reference to fig. 7-9, the inlet channel includes an inlet channel 111, an inlet channel 121, and an inlet channel 211; specifically, the air inlet passage 111 communicates the air introduction region 113 and the air chamber 110, the water inlet passage 121 communicates the water introduction region 123 and the water chamber 120, and the liquid inlet passage 211 communicates the liquid introduction region 213 and the plunger chamber 210. Thereby, it is possible to achieve an intake of air, fresh water and cleaning liquid into the pump body.

Further, the outlet channel comprises an air outlet channel 112, a water outlet channel 122 and a liquid outlet channel 212; specifically, the air outlet channel 112 communicates with the air pre-discharge region 114 and the air chamber 110, the water outlet channel 122 communicates with the water pre-discharge region 124 and the water chamber 120, and the liquid outlet channel 212 communicates with the liquid pre-discharge region 214 and the plunger chamber 210. Hereby, it is achieved that air, clean water and cleaning liquid are dispensed out of the pump body.

Having described the pump body in full, those skilled in the art will understand the following operation: when the device works, the motor rotates to drive the eccentric cam 410 to drive the rotating disc 300 to rotate, and the rotating disc 300 swings up and down, so that the air cavity 110 and the water cavity 120 connected with the rotating disc have contraction and expansion motions, and air and clean water are sucked or discharged. The rotating disc 300 is provided with a connecting rod 310, the connecting rod 310 is flexibly connected with the plunger 220, and the plunger 220 moves up and down synchronously by the up-and-down shaking of the rotating disc 300 in the plunger cavity 210 to suck or discharge relatively viscous cleaning liquid, specifically hand sanitizer.

When the rotating disc 300 is swung to the lowest position, the air cavity 110, the water cavity 120 and the plunger cavity 210 have the largest volume and respectively contain air, clean water and cleaning liquid, and when the rotating disc 300 is swung upwards, the air, the clean water and the cleaning liquid in the air cavity 110, the water cavity 120 and the plunger cavity 210 are discharged; when the rotary disk 300 is shaken to the uppermost side, the volumes of the air chamber 110, the water chamber 120, and the plunger chamber 210 are minimized, and the discharging operation is completed. As the rotary plate 300 continues to rock downward, it enables the air chamber 110, the water chamber 120 and the plunger chamber 210 to re-suck air, clean water and cleaning liquid, which is one working cycle. In the application, the motor drives the eccentric cam 410 and the rotating disc 300 to move ceaselessly, so that the subsequent foaming operation can realize stepless control without stroke limitation.

It is understood that the pump body in the present application can be applied to different usage scenarios, which are exemplified below.

The pump body in this application can be applied to from mixing foaming device. The self-mixing foaming device comprises a foaming unit 900 and the pump body, wherein the pump body and the foaming unit 900 are arranged in a split mode and are connected through a hose. Therefore, the device has the advantages of small occupied space and convenience in installation.

Further, please refer to fig. 14, fig. 14 is a schematic structural diagram of a foaming unit in the present application, the foaming unit 900 includes a foaming frame 910 having a mixing chamber formed therein, one end of the foaming frame 910 is a foam outlet, a nylon net mounting frame 920 is disposed in the mixing chamber, a thick nylon net 921 and a thin nylon net 922 are disposed on the nylon net mounting frame 920 at intervals, the thick nylon net 921 is far away from the foam outlet, and the thin nylon net 922 is disposed at the foam outlet. Foaming frame 910 is last still to be provided with water connecting pipe 911, liquid connecting pipe 912 and the gas connecting pipe 913 that are linked together with mixing the storehouse, and outlet pipe 720 is connected to water connecting pipe 911, and drain pipe 710 is connected to liquid connecting pipe 912, and gas connecting pipe 913 connects outlet duct 730, from this, each motion stroke of the pump body under can be with the clear water, cleaning solution and the gas pump according to predetermineeing proportion ratio and go into mixing the storehouse and carry out the self-mixing, foam via thick nylon mesh 921 and thin nylon mesh 922 again.

The above description is only for the purpose of illustrating embodiments of the present invention and is not intended to limit the scope of the present invention, and all modifications, equivalents, and equivalent structures or equivalent processes that can be used directly or indirectly in other related fields of technology shall be encompassed by the present invention.

Claims (10)

1. A pump body, comprising:

a plunger pump portion comprising a plunger cavity (210) and a plunger (220) disposed within the plunger cavity (210);

a diaphragm pump portion including a plurality of diaphragm chambers made of a flexible material; and

a rotating plate (300) provided under the diaphragm pump portion and the plunger pump portion for providing a power source for the plunger pump portion and the diaphragm pump portion in a rotary-rocking manner;

the rotating disc (300) can drive the plunger (220) to reciprocate up and down so as to discharge liquid or suck liquid; the rotating disc (300) enables the diaphragm chambers to compress or swell to expel or draw in water and gas.

2. The pump body of claim 1,

the rotary disc (300) is provided with a first connecting structure, the plunger (220) is provided with a second connecting structure, and the rotary disc (300) is connected with the plunger (220) through the matching of the first connecting structure and the second connecting structure so as to enable the plunger (220) to move up and down.

3. The pump body of claim 2,

the first connecting structure includes an engaging rod (310) disposed at the top of the rotating disk (300), and the second connecting structure includes a plunger groove (221) disposed at the bottom of the plunger (220);

the connecting rod (310) is provided with a convex part (311) clamped in the plunger groove (221), and the top end surface of the convex part (311) is an arc-shaped surface, so that the convex part (311) can rotate and swing in the plunger groove (221).

4. The pump body of claim 1,

the axial line of the diaphragm cavity is parallel to the axial line of the plunger cavity (210), and the outer wall of the cavity bottom of the diaphragm cavity is provided with connecting rods (130) distributed along the axial direction of the diaphragm cavity;

the circumferential wall of the connecting rod (130) is provided with a spherical bulge part (131) in a molding way, and the rotating disc (300) is provided with a through hole (320) matched with the bulge part (131), so that when the rotating disc (300) rotates and swings, the diaphragm cavity can be driven to be compressed or fully inflated.

5. The pump body of claim 1, further comprising a drive unit, the drive unit comprising:

an eccentric cam (410) connected with the rotating disk (300) and located below the rotating disk (300);

a motor connected with the eccentric cam (410) to drive the eccentric cam (410) to rotate horizontally;

wherein, the eccentric cam (410) is connected with the rotating disc (300) through a metal rod (420), the motor is provided with a rotating axis parallel to the axis of the plunger cavity (210), the metal rod (420) is provided with a central axis, and an included angle is formed between the rotating axis of the motor and the central axis of the metal rod (420), so that the rotating disc (300) rotates and swings up and down under the driving of the motor.

6. The pump body according to claim 1,

the plunger pump portion and the diaphragm pump portion constitute a pump body, and the diaphragm chamber is divided into an air chamber (110) and a water chamber (120).

7. The pump body according to claim 6, characterized in that said pump body comprises:

the diaphragm pump comprises a diaphragm pump base body (100) which is made of flexible materials and is formed with an air cavity (110) and a water cavity (120);

the pump chamber support (200) is fixedly connected with the diaphragm pump base body (100) and used for supporting the diaphragm pump base body (100), and the plunger chamber (210) is formed on the pump chamber support (200);

the partition plate (500) is fixedly arranged at the top cavity openings of the air cavity (110), the water cavity (120) and the plunger cavity (210);

a one-way valve bracket (600) fixedly arranged at the top of the clapboard (500);

the cover plate is fixedly arranged at the top of the one-way valve bracket (600), and a plurality of chambers are formed in the cover plate so as to form a plurality of mutually independent introduction areas and pre-discharge areas;

wherein the air cavity (110), the water cavity (120) and the plunger cavity (210) are respectively and correspondingly communicated with the introducing area and the pre-discharging area; the plurality of the introducing areas are communicated with the air cavity (110), the water cavity (120) and the plunger cavity (210) through inlet passages; the plurality of pre-discharge areas are communicated with the air cavity (110), the water cavity (120) and the plunger cavity (210) through outlet channels; the one-way valve support (600) is provided with a one-way inlet valve (610) positioned in the inlet channel and a one-way outlet valve (620) positioned in the outlet channel.

8. The pump body of claim 7,

the plurality of introduction zones comprises a gas introduction zone (113), a water introduction zone (123), and a liquid introduction zone (213);

wherein, the top of the cover plate is provided with an air inlet hole (830) communicated with the air introducing area (113), an inlet pipe (820) communicated with the water introducing area (123) and an inlet pipe (810) communicated with the liquid introducing area (213).

9. The pump body of claim 7,

the plurality of pre-exhaust areas comprise an air pre-exhaust area (114), a water pre-exhaust area (124) and a liquid pre-exhaust area (214), wherein the bottom of the cover plate is provided with an air outlet pipe (730) communicated with the air pre-exhaust area (114), a water outlet pipe (720) communicated with the water pre-exhaust area (124) and a liquid outlet pipe (710) communicated with the liquid pre-exhaust area (214); or is

The plurality of pre-exhaust areas comprise an air pre-exhaust area (114) and a water liquid mixing pre-exhaust area, wherein the bottom of the cover plate is provided with an air outlet pipe (730) communicated with the air pre-exhaust area (114) and a water liquid mixing and discharging pipe communicated with the water liquid mixing pre-exhaust area.

10. Self-mixing foaming device, comprising a foaming unit (900) and a pump body according to any one of claims 1 to 9, wherein the pump body is separate from the foaming unit (900) and is connected thereto by means of a hose.

Images