Liquid distributor

Abstract

The utility model discloses a liquid distributor which comprises a shell assembly, a liquid distributor body and a liquid distributor body. The liquid outlet nozzle has a bubble cutting function; the peristaltic pump is arranged in the mounting cavity, the output end of the peristaltic pump communicates with the liquid outlet nozzle, and the input end of the peristaltic pump communicates with the liquid storage cavity; the air pump is arranged in the mounting cavity, and the air outlet end of the air pump communicates with the liquid outlet nozzle; the liquid outlet nozzle is detachably connected to the shell assembly. The peristaltic pump and the air pump are adopted for conveying liquid and air respectively, the output pipeline can be prevented from being blocked, the liquid outlet nozzle is detachably connected to the shell assembly, the liquid outlet nozzle can be detached for cleaning when necessary, and the problem that the output pipeline is blocked is further solved.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid distribution devices, in particular to a liquid distributor. Background Art

[0002] Liquid dispensers are household products that automatically and quantitatively dispense liquids such as hand soap, shower gel, and shampoo. They are widely used in hotels, restaurants, research institutes, hospitals, public entertainment venues, and even in household bathrooms. Existing liquid dispensers typically use diaphragm pumps to control liquid output, but these pumps have relatively thin tubes, which can easily cause blockages. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a liquid distributor to solve the technical problem that the existing distributor uses a diaphragm pump which causes the pipeline to be easily blocked.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] An embodiment of the present invention provides a liquid dispenser, comprising:

[0006] A housing assembly, wherein a mounting cavity and a liquid storage cavity are provided in the housing assembly;

[0007] A liquid outlet nozzle, the liquid outlet nozzle having a bubble cutting function;

[0008] a peristaltic pump, the peristaltic pump being disposed in the mounting cavity, the output end of the peristaltic pump being connected to the liquid outlet nozzle, and the input end of the peristaltic pump being connected to the liquid storage cavity; and

[0009] An air pump, the air pump is arranged in the installation cavity, and the air outlet end of the air pump is connected to the liquid outlet nozzle;

[0010] Wherein, the liquid outlet nozzle is detachably connected to the shell assembly.

[0011] Wherein, a foam filter element is provided in the liquid outlet nozzle, and the foam filter element is used to cut larger bubbles into smaller bubbles.

[0012] Wherein, a fixing cavity is detachable or integrally formed on the shell assembly, and the fixing cavity is used to install and accommodate the liquid outlet nozzle.

[0013] The inner wall of the fixed cavity has an internal thread, the outer wall of the liquid outlet nozzle has an external thread, and the liquid outlet nozzle is screwed into the fixed cavity.

[0014] Wherein, the inner wall of the fixed cavity has a first clamping portion, the outer wall of the liquid outlet nozzle has a second clamping portion, and the first clamping portion and the second clamping portion are rotatably clamped.

[0015] The liquid discharged by the peristaltic pump and the gas discharged by the air pump are mixed in the housing assembly to form a gas-liquid mixture, which is then delivered from the liquid outlet.

[0016] The liquid outlet of the peristaltic pump is connected to a first hose, the air outlet of the air pump is connected to a second hose, and a three-way assembly is also provided in the shell assembly. The other ends of the first hose and the second hose are respectively connected to the two connection ports of the three-way assembly, and the third connection port of the three-way assembly is connected to the liquid outlet nozzle.

[0017] Wherein, the shell assembly is further provided with an air hole, and the air inlet of the air pump is connected to the air hole through a third hose.

[0018] A battery compartment is formed on the shell assembly, and the battery compartment is recessed into the shell assembly. The central axes of the battery compartment, the peristaltic pump, and the air pump are connected to roughly form an equilateral triangle.

[0019] A battery compartment is formed on the shell assembly, and the battery compartment protrudes to the outside of the shell assembly. The vertical projection of the peristaltic pump partially overlaps with the battery compartment, and the air pump is located between the liquid outlet and the peristaltic pump.

[0020] The liquid dispenser of the present invention adopts a peristaltic pump and an air pump to transport liquid and gas respectively, which can prevent the output pipeline from being blocked. The liquid outlet nozzle is detachably connected to the shell assembly. When necessary, the liquid outlet nozzle can be removed for cleaning, further avoiding the problem of output pipeline blockage.

[0021] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In addition, in order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the following preferred embodiments are specifically cited and described in detail as follows. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figures 1 to 3 Schematic diagram of the overall structure of the liquid dispenser of the first embodiment of the utility model from different perspectives.

[0023] Figure 4 This is a longitudinal cross-sectional view of the liquid dispenser according to the first embodiment of the present invention.

[0024] Figure 5 This is a schematic diagram of the assembly structure of the base of the liquid dispenser and other connected components according to the first embodiment of the present utility model.

[0025] Figure 6 This is an exploded view of the liquid dispenser according to the first embodiment of the present invention.

[0026] Figure 7 for Figure 5 Part of the structural diagram from another perspective.

[0027] Figure 8 for Figure 7 Exploded view of the portion shown.

[0028] Figure 9 This is a schematic structural diagram of the base portion of the first embodiment of the present utility model.

[0029] Figure 10 This is a structural schematic diagram of the base portion from another perspective of the first embodiment of the present utility model.

[0030] Figure 11 This is a partial structural diagram of the liquid outlet component of the first embodiment of the present utility model.

[0031] Figure 12 and Figure 13 Schematic diagram of the overall structure of the liquid dispenser of the second embodiment of the utility model from different perspectives.

[0032] Figure 14 This is an exploded view of a liquid dispenser according to the second embodiment of the present invention.

[0033] Figure 15 This is a schematic diagram of the assembly structure of the dispenser housing portion and its matching components of the liquid dispenser according to the second embodiment of the present utility model.

[0034] Figure 16 for Figure 15 Exploded view of the portion shown.

[0035] Figure 17 This is a schematic diagram of the assembly of the dispenser housing and its internal mechanism of the liquid dispenser according to the second embodiment of the present utility model.

[0036] Figure 18 This is a partial structural diagram of the liquid outlet component of the second embodiment of the present utility model.

[0037] Description of reference numerals:

[0038] Liquid dispenser 100, shell assembly 11, rotating opening and closing cover assembly 12, mounting plate assembly 13, base 14, liquid dispensing mechanism 15, battery assembly 16, visual window 110, liquid storage chamber 101, mounting chamber 102, outer shell 111, inner shell 112, fixed cover 121, rotating cover 122, lock 123, plug-in plate 131, matching plate 132, vent 140, base body 141, mounting groove 142, internal thread 143, insertion port 144, battery compartment 145, peristaltic pump 151, air pump 152, liquid outlet assembly 153, battery 161, lock 162, air inlet end 1521, air outlet end 1522, foam filter element 1532, liquid outlet nozzle 1531, first hose 171, second hose 172, three-way assembly 173, third hose 174.

[0039] Liquid dispenser 200, container shell assembly 21, dispenser shell 22, top cover 23, peristaltic pump 24, air pump 25, liquid outlet assembly 26, control circuit board 27, sensor 28, charging interface 221, installation cavity 220, battery compartment 223, inner shell 211, base 212, pointed mouth 222, fixed cavity 261, liquid outlet nozzle 262, foam filter element 263. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0042] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships described in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0043] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0044] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can mean connected, detachably connected, or integrated; they can mean mechanically connected or electrically connected; they can mean directly connected or indirectly connected through an intermediate medium; they can mean internal communication between two components or an interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0045] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0046] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. Throughout this specification, the schematic representations of these terms should not be construed as necessarily referring to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0047] Liquid dispensers are household items that automatically and quantitatively dispense hand soap, shower gel, and shampoo. They are widely used in hotels, restaurants, research institutions, hospitals, public entertainment venues, and even in household bathrooms. Existing liquid dispensers typically deliver liquid or foam to the user through an outlet. However, liquid can remain at the outlet, which can cause contamination over time. Existing dispenser designs prevent quick cleaning. Therefore, to address these needs, this embodiment provides a liquid dispenser.

[0048] Example 1:

[0049] See also Figures 1 to 11 , this embodiment provides a liquid dispenser 100, which includes:

[0050] A housing assembly 11, wherein a mounting cavity 102 and a liquid storage cavity 101 are provided in the housing assembly 11;

[0051] A liquid outlet nozzle 1531, wherein the liquid outlet nozzle 1531 has a bubble cutting function;

[0052] A peristaltic pump 151 is disposed in the installation cavity 102 , wherein the output end of the peristaltic pump 151 is connected to the liquid outlet nozzle 1531 , and the input end of the peristaltic pump 151 is connected to the liquid storage cavity 101 ;

[0053] An air pump 152 is disposed in the installation cavity 102 , and an air outlet of the air pump 152 is connected to the liquid outlet nozzle 1531 ;

[0054] The liquid outlet nozzle 1531 is detachably connected to the housing assembly 11 .

[0055] The peristaltic pump 151 , the air pump 152 and the liquid outlet assembly 153 together constitute a liquid distribution mechanism 15 , which simultaneously delivers liquid such as cleaning liquid / disinfectant and gas to the liquid outlet nozzle 1531 , and outputs the mixed liquid to the user.

[0056] In this embodiment, a peristaltic pump 151 and an air pump 152 are used to transport gas and liquid, respectively. The liquid and gas are mixed at least before entering the liquid outlet nozzle 1531 or in the pipeline before the liquid outlet nozzle 1531, and finally output to the user from the liquid outlet nozzle 1531. Compared with the existing pneumatic diaphragm pump control liquid output method, it can provide output power for liquid and gas, prevent liquid from remaining in the output channel, and avoid contamination caused by residue. At the same time, because pneumatic diaphragm pumps are generally only suitable for output channels with smaller diameters, the corresponding liquid is more likely to cause blockage. However, the combination of the peristaltic pump 151 and the air pump 152 of this embodiment is not limited by the diameter of the output pipeline, thereby avoiding blockage of the output pipeline caused by a smaller diameter.

[0057] Among them, a fixed cavity is integrally formed on the shell component 11, and the fixed cavity is used to install and accommodate the liquid outlet nozzle 1531. The inner wall of the fixed cavity is provided with an internal thread 143, and the liquid outlet nozzle 1531 is screwed to the internal thread 143. In other embodiments, the detachable connection between the liquid outlet nozzle 1531 and the shell component 11 can also be matched in other ways such as snap connection, screw connection, etc. If the two are connected by snap connection, the inner wall of the fixed cavity is provided with a first snap connection part, and the outer wall of the liquid outlet nozzle 1531 is provided with a second snap connection part, and the first snap connection part and the second snap connection part are rotatably snapped. The first snap connection part and the second snap connection part can be a plug-in and rotational matching structure of a clamping protrusion and a clamping groove. In this embodiment, the fixed cavity is integrally formed on the base 14.

[0058] Please refer again Figure 4 and Figure 6 The housing assembly 11 includes an outer housing 111 and an inner housing 112 disposed within the outer housing 111. The inner housing 112 is provided with the liquid storage chamber 101 and the mounting chamber 102, with the mounting chamber 102 being located below the liquid storage chamber 101. The outer housing 111 is a decorative housing that is mounted on the outside of the inner housing 112.

[0059] In this embodiment, the outer shell 111 and the inner shell 112 are both barrel-shaped structures, wherein the inner shell 112 is a barrel made of transparent material, and a visual window 110 is provided on the side wall of the outer shell 111, through which the remaining amount of liquid in the inner shell 112 can be directly observed.

[0060] like Figure 2 、 Figure 9 and Figure 10 As shown, the housing assembly 11 further includes a base 14, which is connected to the bottom of the inner housing 112. The base 14 includes a base body 141, and the base body 141 is provided with a mounting groove 142. The peristaltic pump 151, the air pump 152, and the liquid outlet assembly 153 are all fixedly connected to the mounting groove 142, and the liquid outlet nozzle 1531 is screwed to the bottom wall of the base 14. A control button is also provided at the bottom of the base 14, and the control button is connected to the control circuit board.

[0061] It is understandable that, in other embodiments, the liquid outlet 1531 can also be detachably connected to other positions of the inner shell 112, such as the side wall, as needed.

[0062] The bottom of the peristaltic pump 151 is provided with a mounting plate 154, which is connected to the bottom wall of the mounting groove 142 of the base 14. A control circuit board 155 is provided between the mounting plate 154 and the bottom wall of the mounting groove 142. The control circuit board 155 is provided with a control button, which protrudes from the base 14.

[0063] The base 14 is connected to the lower opening of the inner shell 112 by snapping or screwing.

[0064] Furthermore, a battery compartment 145 is formed on the shell assembly 11, and the battery compartment 145 is recessed into the interior of the shell assembly 11. The central axes of the battery compartment 145, the peristaltic pump 151, and the air pump 152 are connected to roughly form an equilateral triangle or a triangle. Specifically, the base 14 is also provided with a raised battery compartment 145, and a battery 161 is installed in the battery compartment 145. The battery 161 supplies power to the peristaltic pump 151 and the air pump 152. The bottom of the base body 141 is also provided with an insertion port 144 connected to the battery compartment 145, and a card slot is also provided on the hole wall of the insertion port 144. The bottom of the battery 161 is also provided with a locking member 162, and the locking member 162 is provided with a card protrusion corresponding to the card slot. The locking member 162 is snap-connected to the insertion port 144, thereby realizing the rapid removal and assembly of the battery 161. The battery 161 and the locking member 162 form a battery assembly 16. In this embodiment, a quick-install connection battery assembly 16 is used, which can easily remove the battery 161 for charging or replacement. In this embodiment, the battery 161 can also be replaced with a dry cell 1601.

[0065] Please refer again Figure 6 and Figure 11 The liquid outlet component 153 further includes a foam filter element 1532 , and the foam filter element 1532 is installed in the liquid inlet end opening cavity of the liquid outlet nozzle 1531 .

[0066] Please refer again Figure 3 In order to facilitate the replenishment of liquid into the inner shell 112, a rotating opening and closing cover assembly 12 is also provided on the top of the shell assembly 11. The rotating opening and closing cover assembly 12 includes: a fixed cover 121, a rotating cover 122 hinged to the fixed cover 121, and a lock 123 that can lock the rotating cover 122 on the fixed cover 121; the fixed cover 121 is connected to the top opening edge of the inner shell 112.

[0067] The rear sidewall of the inner housing 112 is also equipped with a mounting plate assembly 13, which is used to quickly mount the liquid dispenser 100 on a wall or other mounting surface. Specifically, the mounting plate assembly 13 comprises a plug-in plate 131 fixedly connected to the sidewall of the outer housing 111, and a mating plate 132 that slidably engages with the plug-in plate 131. The mating plate 132 can be attached to the wall or other surface using adhesive or screws. To mount the dispenser, the plug-in plate 131 is slid downward into the insertion slot of the mating plate 132.

[0068] In other embodiments, the peristaltic pump 151 and the air pump 152 may also be electrically driven liquid or gas delivery devices with other structures.

[0069] Please refer again Figure 5 、 Figure 7 and Figure 8 The air pump's air inlet 1521 is connected to the vent 140 of the housing assembly 11 via a third hose 174. In this embodiment, the vent 140 is located on the base 14. Compared to prior art designs where the air pump's air inlet is directly exposed within the housing assembly and air is drawn in through gaps in the housing assembly, the use of the third hose 174 prevents moist air from entering through gaps in the housing assembly 11 and potentially damaging the pump's stability, ensuring that the interior of the housing assembly 11 remains dry.

[0070] The liquid outlet of the peristaltic pump 151 is connected to a first hose 171, and the air outlet of the air pump 152 is connected to a second hose 172. The shell assembly 11 also includes a three-way assembly 173. The other ends of the first hose 171 and the second hose 172 are connected to two connecting ports of the three-way assembly 173, and the third connecting port of the three-way assembly 173 is connected to the liquid outlet nozzle 1533.

[0071] During assembly, first connect the peristaltic pump 151 and the air pump 152 to the liquid outlet assembly 153 through pipes, then fix the peristaltic pump 151 and the air pump 152 in the mounting groove 142 of the base 14, and then assemble the base 14 to the bottom of the inner shell 112.

[0072] It should be noted that the liquid dispenser 100 of this embodiment also includes a sensor electrically connected to a control circuit board 155. The control circuit board 155 is used to control the battery 161 to power the peristaltic pump 151 and the air pump 152, and can also automatically control the output of foam based on the sensor's detection signal. The sensor is used to detect the presence of a human hand and transmit the detection signal to the control circuit board.

[0073] Example 2

[0074] See also Figures 12 to 18 In this second embodiment, the working principle of the liquid dispenser is the same as that of the first embodiment. The liquid dispenser 200 includes: a container housing assembly 21, a dispenser housing 22 connected to the top of the container housing assembly 21, and a dispenser assembly disposed within the dispenser housing 22. The container housing assembly 21 is provided with a liquid storage cavity, the dispenser housing 22 is provided with a mounting cavity 220, and the dispenser assembly is disposed within the mounting cavity 220.

[0075] The container shell assembly 21 includes a base 212 and an inner shell 211 disposed above the base 212 , and the liquid storage chamber is disposed in the inner shell 211 .

[0076] The dispenser housing 22 has an opening at the top, with a top cover 23 located at the opening. Together, the top cover 23 and the dispenser housing 22 enclose the mounting cavity 220. The top cover 23 also includes a control button electrically connected to a control circuit board 27. The dispenser housing 22 includes a battery compartment 223 protruding from the container housing assembly 21. The peristaltic pump 24 partially overlaps with the battery compartment 223 in its vertical projection, and the air pump 25 is located between the liquid outlet nozzle 262 and the peristaltic pump 24.

[0077] The dispenser assembly includes a peristaltic pump 24, an air pump 25, and a liquid outlet assembly 26. The peristaltic pump 24, the air pump 25, and the liquid outlet assembly 26 are sequentially distributed and fixed in the installation cavity 220 from left to right.

[0078] Among them, the liquid inlet end of the peristaltic pump 24 is connected to the liquid storage cavity located in the container shell assembly 21, and the liquid outlet end is connected to the liquid outlet assembly 26. The air inlet end of the air pump 25 extends to the installation cavity or extends to the distributor shell 22, and the air outlet end is connected to the liquid outlet assembly 26. The liquid delivered by the peristaltic pump 24 and the gas output by the air pump 25 are collected at the liquid outlet assembly 26 or in the previous pipeline, and after mixing, they are output to the user from the outlet of the liquid outlet assembly 26.

[0079] In the second embodiment, the dispenser housing 22 is provided with a pointed mouth portion 222 that protrudes and extends toward one side of the container housing assembly 21, and the liquid outlet of the liquid outlet assembly 26 is disposed at the bottom of the pointed mouth portion 222. Since the dispenser housing 22 is disposed on top of the container housing assembly 21, that is, the container housing assembly 21 for storing liquid is located below the dispenser housing 22 and the dispenser assembly, the liquid outlet of the liquid outlet assembly 26 extends to the pointed mouth portion 222 to direct the liquid to the side of the container housing assembly 21, thereby making it easier for the user to remove the liquid.

[0080] A control circuit board 27 is further provided in the installation cavity 220 . The control circuit board 27 is electrically connected to the power components of the peristaltic pump 24 and the air pump 25 for controlling their starting actions.

[0081] A sensor 28 is also provided within the mounting cavity 220. The signal output terminal of the sensor 28 is located at the bottom of the pointed mouth portion 222, close to the liquid outlet of the liquid outlet assembly 26. When a user extends their hand below the pointed mouth portion 222, the sensor 28 detects the user's hand extension signal and quickly controls the dispenser assembly to open and deliver liquid. The sensor 28 can be an infrared sensor, for example.

[0082] A charging interface 221 is further provided on one side of the dispenser housing 22 , and a battery is further provided in the mounting cavity 220 , and the battery is electrically connected to the charging interface 221 .

[0083] Please refer again Figure 18 The liquid outlet assembly 26 includes a liquid outlet nozzle 262, the outer wall of which is provided with a thread, and the corresponding pointed mouth portion 221 is provided with a detachably connected fixed cavity 261, the inner wall of which is provided with an internal thread, and the liquid outlet nozzle 262 is screwed to the fixed cavity 261, thereby achieving a detachable connection. In other embodiments, the liquid outlet nozzle 262 can also be connected to the pointed mouth portion 221 by a snap-on or screw connection. At this time, the liquid and gas respectively delivered by the peristaltic pump 24 and the air pump 25 are mixed at the liquid outlet nozzle 262 and then output to the user.

[0084] Furthermore, a foam filter element 263 is provided inside the inlet end of the liquid outlet nozzle 262 , and the liquid and gas delivered separately are mixed and foamed at the foam filter element 263 to form foam, and finally output from the liquid outlet nozzle 262 .

[0085] In the second embodiment, the liquid dispenser 200 is designed to be placed on a platform, and the corresponding container shell assembly 21 has a substantially conical shape to improve its placement stability.

[0086] The liquid dispenser 100 (200) of this embodiment uses a combination of an air pump and a peristaltic pump to deliver liquid and gas, respectively, replacing the diaphragm pump in the prior art, thereby avoiding the problem of clogging caused by the small diameter of the diaphragm pump's pipeline. At the same time, the liquid outlet nozzle and the housing assembly are detachably connected, making it easy to remove the liquid outlet nozzle for cleaning, further avoiding the defect of easy clogging of the dispenser's pipeline.

[0087] The above examples are merely used to further illustrate the technical content of the present invention for easier understanding by the reader. However, they do not limit the implementation of the present invention to these examples. Any technical extension or reinvention based on the present invention is protected by the present invention. The scope of protection of the present invention shall be determined by the claims.

Claims

1. A liquid dispenser, characterized in that: include: A housing assembly, wherein a mounting cavity and a liquid storage cavity are provided in the housing assembly; A liquid outlet nozzle, the liquid outlet nozzle having a bubble cutting function; a peristaltic pump, the peristaltic pump being disposed in the mounting cavity, the output end of the peristaltic pump being connected to the liquid outlet nozzle, and the input end of the peristaltic pump being connected to the liquid storage cavity; as well as An air pump, the air pump is arranged in the installation cavity, and the air outlet end of the air pump is connected to the liquid outlet nozzle; Wherein, the liquid outlet nozzle is detachably connected to the shell assembly.

2. The liquid dispenser according to claim 1, characterized in that A foam filter element is provided in the liquid outlet nozzle, and the foam filter element is used for cutting larger bubbles into smaller bubbles.

3. The liquid dispenser according to claim 2, characterized in that The housing assembly is detachably or integrally formed with a fixing cavity, which is used to install and accommodate the liquid outlet nozzle.

4. The liquid dispenser according to claim 3, characterized in that The inner wall of the fixed cavity has an internal thread, the outer wall of the liquid outlet nozzle has an external thread, and the liquid outlet nozzle is screwed into the fixed cavity.

5. The liquid dispenser according to claim 3, characterized in that The inner wall of the fixed cavity has a first clamping portion, the outer wall of the liquid outlet nozzle has a second clamping portion, and the first clamping portion and the second clamping portion are rotatably clamped.

6. The liquid dispenser according to claim 1, characterized in that The liquid discharged by the peristaltic pump and the gas discharged by the air pump are mixed in the housing assembly to form a gas-liquid mixture, which is then delivered from the liquid outlet.

7. The liquid dispenser according to claim 6, characterized in that The liquid outlet of the peristaltic pump is connected to a first hose, the air outlet of the air pump is connected to a second hose, and a three-way assembly is also provided in the shell assembly. The other ends of the first hose and the second hose are respectively connected to the two connecting ports of the three-way assembly, and the third connecting port of the three-way assembly is connected to the liquid outlet nozzle.

8. The liquid dispenser according to claim 6, characterized in that The shell assembly is also provided with an air hole, and the air inlet of the air pump is connected to the air hole through a third hose.

9. The liquid dispenser according to claim 1, characterized in that A battery compartment is formed on the shell assembly, and the battery compartment is recessed into the shell assembly. The central axes of the battery compartment, the peristaltic pump, and the air pump are connected to roughly form an equilateral triangle.

10. The liquid dispenser according to claim 1, wherein A battery compartment is formed on the shell assembly, and the battery compartment protrudes to the outside of the shell assembly. The peristaltic pump is vertically projected and partially overlaps with the battery compartment, and the air pump is located between the liquid outlet and the peristaltic pump.

Images