CN216111154U - Micropump convenient to maintain and foaming machine thereof - Google Patents

Abstract

The utility model relates to the technical field of foaming, in particular to a micropump convenient to maintain and a foaming machine thereof. According to the utility model, the first chamber and the second chamber are respectively arranged at different positions, so that the maintenance and the adjustment are convenient.

Description

Micropump convenient to maintain and foaming machine thereof

Technical Field

The utility model relates to the technical field of foaming, in particular to a micro pump convenient to maintain and a foaming machine thereof.

Background

The foaming machine is a product which is more and more common in daily life, such as automatic foaming for hand sanitizer, liquid detergent, bath lotion, facial cleanser and the like, so that the life of people is more convenient. As shown in fig. 8, the micropump of the prior art, which is convenient for maintenance, places the air cavity and the liquid cavity together, and actually does not control the extraction of the air and liquid well, and when one of the structures goes wrong, it is not easy to distinguish whether the structure of the air cavity is a problem or the structure of the liquid cavity is a problem, so all the structures need to be disassembled, and the operation is troublesome.

Disclosure of Invention

The utility model provides a micropump convenient to maintain and a foaming machine thereof aiming at the problems in the prior art, wherein gas and liquid are divided into a first chamber and a second chamber which are arranged at different positions, so that the maintenance is convenient when the first chamber or the second chamber has problems.

In order to solve the technical problems, the utility model adopts the following technical scheme: a micropump convenient to maintain comprises a first cavity, a second cavity, a base, a motor arranged at one end of the base, an eccentric assembly in driving connection with the output end of the motor, a first pumping assembly, a second pumping assembly and a mixing cavity, wherein the first pumping assembly and the first cavity are arranged at the other end of the base; when the motor drives the eccentric assembly to rotate, the first pumping assembly is used for pumping gas or liquid in the first cavity into the mixing cavity, and the second pumping assembly is used for pumping gas or liquid in the second cavity into the mixing cavity.

Preferably, the eccentric assembly comprises an eccentric wheel in driving connection with an output end of the motor, and the first pumping assembly and the second pumping assembly are both connected with the eccentric wheel.

Preferably, the first pumping assembly comprises a swing frame, a sealing unit, a check valve, a fixed cylinder and an upper cover, the upper cover is installed on the fixed cylinder, the fixed cylinder is installed on the base, the swing frame is connected with the eccentric assembly, the sealing unit and the check valve are movably installed on the fixed cylinder, the fixed cylinder is provided with a plurality of first inlets and a plurality of first outlets, the first chamber is provided with a plurality of first chambers, one end of each first chamber is fixed on the swing frame, the other end of each first chamber is a cavity opening, the cavity opening of each first chamber is installed on the first chamber behind the fixed cylinder, the first inlet is communicated with the first outlet, the sealing unit is used for opening or closing the first inlet, and the check valve is used for opening or closing the first outlet.

Preferably, the eccentric assembly further comprises an eccentric shaft, the eccentric shaft is provided with a first connecting hole, the swing frame is provided with a second connecting hole, and two ends of the eccentric shaft are respectively assembled in the first connecting hole and the second connecting hole.

Preferably, the second pumping assembly comprises a first sealing element and a pump handle, one end of the pump handle is connected with the first sealing element, the other end of the pump handle is arranged on the eccentric assembly, and the first sealing element is arranged on the cavity opening of the second chamber in a sealing mode.

Preferably, the pump handle is provided with a through hole, and the eccentric wheel is assembled in the through hole.

Preferably, the mixing cavity comprises a mixing cavity, an air inlet nozzle, a liquid inlet nozzle, a nozzle and an ejection pipe, the outlet of the first cavity is communicated with the mixing cavity through the air inlet nozzle, the outlet of the second cavity is communicated with the mixing cavity through the liquid inlet nozzle, and the mixing cavity is communicated with the ejection pipe through the nozzle.

Preferably, a first filter is arranged between the nozzle and the ejection pipe, and the first filter is provided with a plurality of round holes arranged at equal intervals.

Preferably, a first filter is installed between the nozzle and the ejection pipe, and a second filter is installed between the first filter and the ejection pipe.

The utility model provides a foaming machine, includes shell and control switch, still includes the micropump of the maintenance of being convenient for, the micropump of the maintenance of being convenient for assemble in the shell, the foaming machine is through the control switch control that receives the micropump work of the maintenance of being convenient for bubbles.

The utility model has the beneficial effects that:

when the first cavity is an air cavity and the second cavity is a liquid cavity, the motor is started, the motor rotates through reciprocating forward and reverse rotation to drive the eccentric wheel to rotate forward and reverse, and the eccentric wheel further drives the first pumping assembly and the second pumping assembly to move, so that gas and liquid in the first cavity and the second cavity are pumped into the mixing cavity or are foamed and sprayed out. According to the utility model, the first chamber and the second chamber are respectively arranged at different positions, so that the maintenance and the adjustment are convenient.

Drawings

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a schematic diagram of the structure of the motor, eccentric assembly, first chamber, second chamber, first pump assembly and second pump assembly of the present invention;

FIG. 4 is an exploded view of FIG. 3;

FIG. 5 is a schematic structural view of the stationary cylinder of the present invention;

FIG. 6 is a cross-sectional view of a mixing chamber of the present invention;

FIG. 7 is a schematic structural view of another embodiment of an eccentric assembly of the present invention;

fig. 8 is a schematic structural diagram of the prior art.

The reference numerals in fig. 1 to 8 include:

1-a first chamber, 2-a second chamber, 3-a machine base, 4-a motor, 5-a mixing cavity, 6-an eccentric wheel, 7-an eccentric shaft, 8-a swing frame, 9-a sealing unit, 10-a check valve, 11-a fixed cylinder, 12-an upper cover, 13-a first inlet, 14-a first outlet, 15-a first connecting hole, 17-a first sealing element, 18-a pump handle, 19-a through hole, 20-a mixing cavity, 21-an air inlet nozzle, 22-an air inlet nozzle, 23-an ejection pipe, 24-a first filter, 25-a round hole, 26-a first filter screen, 27-a second filter screen, 28-a total air inlet, 29-a seal and 30-an eccentric roller.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention is described in detail below with reference to the attached drawings.

The micropump convenient to maintain provided by the embodiment includes, as shown in fig. 1 to 4, a first chamber 1, a second chamber 2, a base 3, a motor 4 installed at one end of the base 3, and an eccentric assembly drivingly connected to an output end of the motor 4, and further includes a first pumping assembly, a second pumping assembly, and a mixing cavity 5, where the first pumping assembly is installed at the other end of the base 3, the second pumping assembly is installed at a side of the base 3, a driving end of the first pumping assembly is connected to the eccentric assembly, and a driving end of the second pumping assembly is connected to the eccentric assembly; when the motor 4 drives the eccentric assembly to rotate, the first pumping assembly is used for pumping the gas or liquid in the first chamber 1 into the mixing cavity 5, and the second pumping assembly is used for pumping the gas or liquid in the second chamber 2 into the mixing cavity 5.

Specifically, the first chamber 1 is used as an air cavity and the second chamber 2 is used as a liquid cavity for description in the present embodiment, and actually, the first chamber 1 and the second chamber 2 may also be a liquid cavity and an air cavity, respectively. As shown in fig. 2 and 3, the first chamber 1 and the first pump module are installed at an end of the housing 3 opposite to the motor 4, and the second chamber 2 is installed at a side of the housing 3, thereby separating the first chamber 1 from the second chamber 2. After the motor 4 is started, the motor 4 drives the eccentric assembly to rotate, the eccentric assembly further drives the first pumping assembly and the second pumping assembly to move, so that the gas in the first chamber 1 is pumped out to the mixing cavity 5 by the first pumping assembly, the liquid in the second chamber 2 is pumped out to the mixing cavity 5 by the second pumping assembly, and the gas and the liquid are mixed in the mixing cavity 5 to form bubble spraying. In this embodiment, set up air cavity and sap cavity separately, help making the structure simplification of the micropump of the maintenance of being convenient for to be favorable to judging which goes wrong in air cavity and sap cavity, and then more pointed maintains.

In the micropump convenient to maintain provided in this embodiment, as shown in fig. 3 to 5, the first pumping assembly includes a swing frame 8, a sealing unit 9, a check valve 10, a fixed cylinder 11 and an upper cover 12, the upper cover 12 is installed on the fixed cylinder, the fixed cylinder 11 is installed on the base 3, the swing frame 8 is connected to the eccentric assembly, the sealing unit 9 and the check valve 10 are both movably installed on the fixed cylinder 11, the fixed cylinder 11 is provided with a plurality of first inlets 13 and a plurality of first outlets 14, the first chamber 1 is provided with a plurality of first chambers 1, one end of each of the plurality of first chambers 1 is fixed to the swing frame 8, the other end of each of the plurality of first chambers 1 is a cavity opening, after the cavity opening of the first chamber 1 is installed on the fixed cylinder 11, the first chamber 1 is communicated with one of the first inlets 13 and one of the first outlets 14, the sealing unit 9 is used for opening or closing the first inlets 13, the check valve 10 is used to open or close the first outlet 14. In addition, the second chamber 2 and the second pump assembly on the side of the base 3, the second pump assembly includes the first sealing member 17 and the pump handle 18, one end of the pump handle 18 is connected with the first sealing member 17, the other end of the pump handle 18 is installed on the eccentric assembly, the first sealing member 17 is installed on the cavity opening of the second chamber 2 in a sealing manner.

Specifically, an embodiment of the eccentric assembly of the present embodiment is shown in fig. 3 and 4, and includes an eccentric wheel 6, first, the eccentric wheel 6 is installed at an output end of a motor 4, the motor 4 drives the eccentric wheel 6 to rotate, and a swing frame 8 of the first pumping assembly is connected to the eccentric wheel 6 through a connecting shaft, as shown in fig. 4, the connecting shaft is in an inclined state, and the structure of the eccentric wheel 6 is matched, so that the swing frame 8 can pull the first chamber 1 to move in a reciprocating motion, and preferably, the structure of the first chamber 1 is made of a soft rubber material and has certain elasticity, so that air can be sucked into or pumped out of the first chamber 1 in a stretching or compressing manner, which is prior art and is not described in detail in the present embodiment; that is, the swing frame 8 movably pulls the first chamber 1 to move, so that during the forward and reverse rotation of the swing frame 8, external air can be sucked into the first chamber 1 and air in the first chamber 1 can be pumped out, when air is sucked in, the sealing unit 9 is also moved by the negative pressure due to the pulling of the first chamber 1 (in fig. 3 and 4, the sealing unit 9 moves downwards to open the first inlet 13), so that the first inlet 13 is communicated with the first chamber 1, the external air enters the first chamber 1, then the swing frame 8 is movably reset again, and is in a state of pressing the first chamber 1, so that the air in the first chamber 1 is squeezed out, the squeezed air resets the sealing unit 9 and closes the first inlet 13, and thus the squeezed air is jetted out from the first outlet 14 into the mixing cavity 5. The upper cover of this embodiment is provided with a main air inlet 28, which is communicated with all the first inlets 13, and a plurality of first outlets 14 are communicated with the mixing chamber 5 through an air outlet pipe.

The pump handle 18 of the second pumping assembly is provided with a through hole 19 and is sleeved on the eccentric wheel 6, so that the pump handle 18 can be driven to move in the rotating process of the eccentric wheel 6, the pump handle 18 drives the first sealing piece 17 to move, the first sealing piece 17 is also made of soft rubber materials and has elasticity, one end of the first sealing piece 17 is in sealing connection with the second chamber 2, the other end of the first sealing piece 17 is connected with the pump handle 18, the pump handle 18 can drive the first sealing piece 17 to stretch and retract, the pumping purpose of the second chamber 2 is achieved, and therefore external liquid can be pumped into the second chamber 2 in the moving process of the pump handle 18 and then is pumped into the mixing cavity 5 from the second chamber 2 to be mixed with gas. As shown in fig. 1, the liquid inlet and the liquid outlet of the second chamber 2 may be disposed on the base 3, or disposed on the second chamber 2, as long as the liquid can be introduced and discharged, which is not limited in this embodiment. As shown in fig. 3 and 4, the first sealing member 17 is provided with two seals 29, for example, when the eccentric wheel 6 rotates to pump the liquid into the second chamber 2, the seal 29 cooperating with the liquid inlet opens the liquid inlet, so that the external liquid is pumped into the second chamber 2, and the seal 29 cooperating with the liquid outlet seals the liquid outlet, so as to prevent the mixed liquid in the mixing cavity 5 from being sucked back into the second chamber 2; when the eccentric 6 is rotated again, the pump handle 18 presses against the first seal 17, at which point the seal 29 seals off the liquid inlet and the other seal 29 opens the liquid outlet, thereby pumping the liquid out into the mixing chamber 5.

As another embodiment of this embodiment, the eccentric assembly may be configured in other manners besides the eccentric wheel 6, for example, the eccentric roller 30 shown in fig. 7 is directly disposed, the eccentric roller 30 may also be disposed in an inclined manner, the eccentric roller 30 is directly inserted into a second connecting hole (not shown in the drawings) of the swing frame 8, and the through hole 19 of the pump handle 18 is disposed in the same inclined manner and sleeved on the eccentric roller, which is not limited in this embodiment.

In the micropump convenient to maintain in this embodiment, as shown in fig. 6, the mixing cavity 5 includes a mixing cavity 20, an air inlet nozzle 21, an air inlet nozzle 22, a nozzle (not shown in the drawings), and an ejection pipe 23, an outlet of the first chamber 1 (the first chamber 1 in this embodiment is an air cavity, so the outlet is also an air outlet) is communicated with the mixing cavity 20 through the air inlet nozzle 21, an outlet of the second chamber 2 (the second chamber 2 in this embodiment is a liquid cavity, so the outlet is also a liquid outlet) is communicated with the mixing cavity 20 through the air inlet nozzle 22, and the mixing cavity 20 is communicated with the ejection pipe 23 through the nozzle. Further, a first filter 24 is disposed between the nozzle and the discharge pipe 23, and a plurality of circular holes 25 are formed at equal intervals in the first filter 24. Further, a first filter 26 is provided between the nozzle and the discharge pipe 23, and a second filter 27 is provided between the first filter 26 and the discharge pipe 23.

Specifically, after being mixed in the mixing chamber 20, the gas and the liquid sequentially pass through the first filter 24, the first filter screen 26 and the second filter screen 27, so that the bubbles are gradually sprayed out, and the three layers of the first filter 24, the first filter screen 26 and the second filter screen 27 enable the sprayed foam to be finer and finer.

The utility model provides a pair of foaming machine, foaming machine include stock solution chamber, the micropump of being convenient for maintenance, shell, control switch and induction system, and stock solution chamber, shell, control switch and induction system are prior art, sense user's hand through induction system, like infrared ray induction, then the motor 4 of the micropump of being convenient for maintenance of control rotates and the foam after the blowout mixes. The foaming machine of the embodiment can be applied to various occasions, including liquid detergent, facial cleanser, hand sanitizer and the like.

Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (10)

1. The utility model provides a micropump convenient to maintenance, includes first cavity, second cavity, frame, installs in the motor of the one end of frame and the eccentric subassembly of being connected with the output drive of motor, its characterized in that: the device comprises a base, a first cavity, a second cavity, a first pumping component, a second pumping component and a mixing cavity, wherein the first pumping component and the first cavity are arranged at the other end of the base; when the motor drives the eccentric assembly to rotate, the first pumping assembly is used for pumping gas or liquid in the first cavity into the mixing cavity, and the second pumping assembly is used for pumping gas or liquid in the second cavity into the mixing cavity.

2. A service-friendly micropump as claimed in claim 1, wherein: the eccentric assembly comprises an eccentric wheel in driving connection with the output end of the motor, and the first pumping assembly and the second pumping assembly are both connected with the eccentric wheel.

3. A service-friendly micropump as claimed in claim 2, wherein: the first pumping assembly comprises a swing frame, a sealing unit, a check valve, a fixed cylinder and an upper cover, the upper cover is arranged on the fixed cylinder, the fixed cylinder is arranged on the base, the swing frame is connected with the eccentric assembly, the sealing unit and the check valve are movably arranged on the fixed cylinder, the fixed cylinder is provided with a plurality of first inlets and a plurality of first outlets, the first cavity is provided with a plurality of first cavities, one ends of the first cavities are fixed on the swing frame, the other ends of the first cavities are cavities, the cavities of the first cavities are arranged on the first cavities behind the fixed cylinder, the first inlets and the first outlets are communicated, the sealing unit is used for opening or closing the first inlets, and the check valve is used for opening or closing the first outlets.

4. A service-friendly micropump as claimed in claim 3, wherein: the eccentric assembly further comprises an eccentric shaft, the eccentric shaft is provided with a first connecting hole, the swing frame is provided with a second connecting hole, and two ends of the eccentric shaft are respectively assembled in the first connecting hole and the second connecting hole.

5. A service-friendly micropump as claimed in claim 2, wherein: the second pumping assembly comprises a first sealing element and a pump handle, one end of the pump handle is connected with the first sealing element, the other end of the pump handle is arranged on the eccentric assembly, and the first sealing element is arranged on a cavity opening of the second cavity in a sealing mode.

6. A service-friendly micropump as claimed in claim 5, wherein: the pump handle is provided with a through hole, and the eccentric wheel is assembled in the through hole.

7. A service-friendly micropump as claimed in claim 1, wherein: the mixing cavity comprises a mixing cavity, an air inlet nozzle, a liquid inlet nozzle, a nozzle and an ejection pipe, wherein an outlet of the first cavity is communicated with the mixing cavity through the air inlet nozzle, an outlet of the second cavity is communicated with the mixing cavity through the liquid inlet nozzle, and the mixing cavity is communicated with the ejection pipe through the nozzle.

8. A service-friendly micropump as claimed in claim 7, wherein: a first filter is arranged between the nozzle and the ejection pipe, and a plurality of round holes which are arranged at equal intervals are formed in the first filter.

9. A service-friendly micropump as claimed in claim 7, wherein: a first filter screen is arranged between the nozzle and the ejection pipe, and a second filter screen is arranged between the first filter screen and the ejection pipe.

10. The utility model provides a foaming machine, includes shell and control switch, its characterized in that: the maintenance-convenient micropump of any one of claims 1 to 9, wherein said maintenance-convenient micropump is assembled in said housing, and said bubbler controls the operation bubbling of said maintenance-convenient micropump through a controlled switch.

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