CN113287956B

CN113287956B - Quantitative liquid feeding device

Info

Publication number: CN113287956B
Application number: CN202010108685.7A
Authority: CN
Inventors: 张文腾
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-21
Filing date: 2020-02-21
Publication date: 2023-06-30
Anticipated expiration: 2040-02-21
Also published as: CN113287956A

Abstract

The invention provides a quantitative liquid feeding device, which comprises a traction part and a liquid outlet control part, wherein the traction part comprises an outer shell, a first accommodating space and an extrusion part, the traction part is provided with a first magnetic attraction part, the extrusion part is arranged in the first accommodating space, and the extrusion part consists of a second magnetic attraction part, a plug valve and a plug ring; particularly, when the traction part is attached to the outer shell, the first magnetic attraction part and the second magnetic attraction part are mutually pulled by the outer shell to drive the extrusion part to displace, and meanwhile, the plug valve is displaced from the first abutting part to the second abutting part.

Description

Quantitative liquid feeding device

Technical field:

the present invention relates to a quantitative liquid feeding device, and more particularly to a quantitative liquid feeding device which is capable of extruding liquid in a quantitative accommodating space by pulling an extrusion member through a pulling part with magnetic force and further has a magnetic valve and a magnetic energy lock assembly.

The background technology is as follows:

the development of industry makes people living environment suffer serious pollution slowly, because natural resources are excessively used to meet the industrial needs, forests, greenbelts and tropical rain forests are reduced in a large range, a few destroyed loess barren spots are left, a frontal surface is left to pass through, air pollution is caused immediately, moreover, industrial wastewater is discharged, the cultivated land is polluted by heavy metals, so that people eat toxic crops indirectly, various complications are caused, and people are infected and harmed by accidents, so that people have better consciousness and habit on the sanitary habit of personal life, and the most frequent contact with pathogens is hands, so that the hands are clean and sterilized, and the disinfection is a different law for guaranteeing the health of themselves and families.

As the sanitary habit is improved, no matter in department stores, school units, banks, post offices, restaurants and various places with large people flow, liquid cleaning solution is placed, a solution feeding device is also necessarily arranged at a toilet, no matter alcohol at a gate or a solution feeding device of disinfectant is arranged, even a soap feeder of the toilet liquid is very frequent equipment, when the device is used, the device is often used, the excessive cleaning solution is pressed without attention, so that waste or clean environment is damaged, the device can be used for fixing the amount of the discharged solution in a proper range when being pressed, and proper amount of discharged solution is discharged every time, so that the waste of resources is not caused, and excessive leakage of the liquid in the device can be prevented, and the mess of the environment is caused.

In addition to the above problems, the existing devices have a serious problem that, although the devices are increasingly manufactured well, the devices are often damaged by tens of thousands of pressing times per day, and the existing liquid outlet devices are mostly designed to operate the liquid feeding device by using the design of a spring structure, but the springs are fatigued, or the connection points of the connecting springs and the structure are easily damaged, so that the whole device cannot be used, or the devices are damaged due to high-frequency pressing; therefore, how to make the liquid feeding device capable of providing proper amount of liquid feeding and how to make the device capable of bearing high-frequency pressing is just the biggest problem of the current liquid feeding device.

The invention comprises the following steps:

in view of the above, the present invention provides a quantitative liquid feeding device, comprising a traction part, a first magnetic attraction part arranged on the traction part; the liquid outlet control part consists of an outer shell and a first accommodating space, an extrusion part is arranged in the first accommodating space, one end of the extrusion part is provided with a second magnetic part, the other end of the extrusion part is provided with a plug valve, a plug ring is sleeved on the plug valve, the plug ring is provided with a first abutting part, a second abutting part and a quantitative accommodating space, and the plug valve is arranged in the quantitative accommodating space; the traction part is attached to the outer shell, so that the first magnetic attraction part and the second magnetic attraction part are mutually pulled through the outer shell to drive the extrusion part to displace, and the plug valve is displaced from the first abutting part to the second abutting part.

The quantitative liquid feeding device is characterized in that the outer shell is further provided with a liquid inlet and a first liquid outlet, the plug ring is further provided with a first opening communicated with the liquid inlet and a second opening communicated with the first liquid outlet, accordingly, liquid flows through the first opening from the liquid inlet to enter the quantitative accommodating space, and when the plug valve moves from the first supporting part to the second supporting part, the liquid stored in the quantitative accommodating space flows to the first liquid outlet from the second opening.

The quantitative liquid feeding device is characterized in that one end of the traction part is further provided with a reset base, the reset base comprises a reset part and a shifting plate, the reset part is composed of a first shell and a second shell, a second accommodating space is defined, a limiting groove is further formed in the second accommodating space, a reset element is arranged in the limiting groove, the shifting plate is provided with a first end arranged in the limiting groove and connected with the reset element, and the shifting plate reciprocates in the limiting groove.

The quantitative liquid feeding device is characterized in that the first end is further provided with a joint hole, one end of the traction part penetrates through the second shell to be jointed with the joint hole, the second shell is provided with an opening, and the first liquid outlet is combined with the opening.

The quantitative liquid feeding device is characterized in that the shifting plate is provided with a second end, the second end is provided with a second liquid outlet, and when the shifting plate moves, the second liquid outlet is aligned with the opening.

The quantitative liquid feeding device is characterized in that a first magnetic positioning piece is arranged at the opening, a second magnetic positioning piece is arranged at the first end, and when the first end returns to be matched with the opening, the first magnetic positioning piece and the second magnetic positioning piece are mutually magnetically attracted and positioned.

The quantitative liquid feeding device is further provided with a liquid storage tank, wherein the liquid storage tank comprises a third liquid outlet, and the third liquid outlet is communicated with the liquid inlet.

The quantitative liquid feeding device is characterized in that the third liquid outlet is further provided with a magnetic valve, when the magnetic valve is matched with the magnetic element arranged at the liquid inlet, the magnetic valve and the magnetic element are mutually repulsed, so that the magnetic valve is opened, and if the magnetic valve is far away from the magnetic element, the magnetic valve is closed.

The quantitative liquid feeding device is characterized in that the liquid storage tank is provided with a liquid storage opening, the liquid storage opening is provided with a cover body connected with the liquid storage tank, and the cover body is further provided with a magnetic energy lock assembly.

The magnetic energy lock assembly is further provided with a first lock part, a second lock part and a magnetic energy key, the first lock part and the second lock part are respectively provided with a plurality of magnetic tracks which are communicated, each magnetic track at least comprises a magnetic attraction element, the magnetic attraction elements are arranged at the communication positions of the first lock part and the second lock part to enable the magnetic tracks to be locked mutually, the magnetic tracks at least comprise magnetic attraction elements with positive poles and negative poles, and when the magnetic energy key adsorbs the first lock part, the second lock part is separated from the first lock part according to the magnetic tracks.

Therefore, the quantitative liquid feeding device can obtain a proper amount of cleaning liquid when in use each time, the liquid outlet amount of the quantitative liquid feeding device can be adjusted to the most suitable use amount by changing a simple structure according to the requirement of a user, in addition, the quantitative liquid feeding device can widely reference the action of magnetic force in the quantitative liquid feeding device, reduce the use of an elastic structure, further enable the quantitative liquid feeding device to cope with high-frequency pressing and reduce the risk of faults, accordingly, the user can use the most right amount when using the quantitative liquid feeding device, and the problem of little friction or loss of the elastic structure due to the reference of the magnetic force is solved, so that the service life of the liquid feeding device is greatly prolonged.

Description of the drawings:

FIG. 1 is an exploded perspective view of a dosing device of the present invention.

FIG. 2 is an exploded view of the reset base of the present invention.

FIG. 3 is a schematic view of a dosing device according to the present invention.

Fig. 4A is a schematic diagram of a plug valve according to the present invention before displacement.

Fig. 4B is a schematic illustration of the displacement of a plug valve according to the present invention.

Fig. 4C is a schematic illustration of the displacement of the plug valve of the present invention.

FIG. 5 is a schematic view of a magnetic valve according to the present invention.

Fig. 6 is a schematic diagram of a magnetic energy lock assembly constructed in accordance with the present invention.

Reference numerals:

1. quantitative liquid feeding device

10. Traction part

11. First magnetic attraction part

12. Reset base

121. Reset part

1211. First shell body

1212. Second shell

1213. Second accommodation space

1214. Limiting groove

1215. Reset element

1216. An opening

1217. First magnetic positioning piece

122. Shifting plate

1221. First end

1222. Joint hole

1223. Second end

1224. A second liquid outlet

1225. Second magnetic positioning piece

20. Liquid outlet control part

21. Outer casing

211. First accommodation space

212. Liquid inlet

2121. Magnetic element

213. A first liquid outlet

22. Extrusion piece

221. Second magnetic attraction part

222. Plug valve

223. Plug ring

2231. A first supporting part

2232. A second supporting part

2233. Quantitative accommodating space

2234. A first opening

2235. A second opening

30. Magnetic valve

31. Magnetic energy lock assembly

311. First lock part

312. Second lock part

313. Magnetic energy key

314. Magnetic track

315. Magnetic attraction element

The specific embodiment is as follows:

the present invention discloses a quantitative liquid feeding device, wherein the connection, linkage relation and principle of each structure are obvious to the general knowledge, so the following Chinese description will not be fully described. Meanwhile, the drawings of the reference drawings below are structural illustrations related to the creation features, and are not necessarily drawn completely according to actual dimensions, and are stated in advance.

Referring to fig. 1, a structural perspective exploded view of the quantitative liquid feeding apparatus 1 is provided. The quantitative liquid feeding device 1 comprises a traction part 10, wherein one end of the traction part 10 is provided with a first magnetic part 11, and one or more first magnetic parts 11 can be arranged; a liquid outlet control part 20, which is composed of an outer shell 21 and a first accommodating space 211, wherein the first accommodating space 211 is positioned inside the outer shell 21, an extrusion part 22 is arranged in the first accommodating space 211 in the outer shell 21, the extrusion part 22 is used for extruding and discharging liquid in the first accommodating space 211 to achieve the liquid outlet function, one end of the extrusion part 22 is provided with a second magnetic attraction part 221, the other end is provided with a plug valve 222, the setting mode of the plug valve 222 is a configuration vertical to the extrusion part 22, a plug ring 223 is sleeved on the plug valve 222, the plug valve 222 is covered by the plug ring 223, the plug ring 223 is a hollow configuration, an opening is arranged at the side edge of the plug valve 222, the plug valve 222 is clamped into the plug ring 223 through the opening, the plug ring 223 is provided with a first propping part 2231, a second propping part 2 and a certain amount accommodating space 3, the plug valve 222 can be arranged in a large or small size of the plug valve 223 through the first propping part 223 and the second propping part 223 is slightly smaller than the first and the small size 2233 is arranged in the large or smaller than the first size 2233; the traction portion 10 is attached to the outer shell 21, so that the first magnetic attraction portion 11 at one end of the traction portion 10 and the second magnetic attraction portion 221 at one end of the extrusion 22 draw each other through the outer shell 21 to drive the extrusion 22 to displace, and the plug valve 222 is displaced from the first abutting portion 2231 to the second abutting portion 2232, wherein the magnetism of the first magnetic attraction portion 11 and the magnetism of the second magnetic attraction portion 221 may be different or repulsive, so long as linkage can be generated.

In particular, the extrusion 22 is specifically designed to be disposed in the first accommodating space 211 and is defined by the outer housing 21, so that the extrusion 22 can be prevented from being exposed to the outside during operation, the risk of damage by a user is reduced, the service life is prolonged, the extrusion 22 must be in direct contact with the liquid during operation, and the conventional liquid feeding device usually has the risk of liquid leakage during operation, and no matter the extrusion 22 is exposed to the outside and is polluted by the outside due to the pollution caused by human damage, the polluted extrusion 22 is contacted with the liquid during operation, so that the user cannot achieve the cleaning effect, but the cleaner is more dirty.

In this embodiment, other liquid discharging modes may be further provided, for example, the liquid discharging control portion 20 is embedded into a cabinet body or a wall surface, the traction portion 10 may be a metal sheet, the metal sheet is adsorbed on the liquid discharging control portion 20, when a user slides the metal sheet, the traction portion 10 drives the extrusion 22 in the liquid discharging control portion 20 to complete the liquid discharging operation, according to this, the design of the spring or the support structure operation is structurally reduced, and the abrasion speed of the device in use is reduced by using the magnetic force principle to draw the operation mode, accordingly, the abrasion among the components can be effectively reduced by using the magnetic force operation mode, and then the components are all in indirect traction linkage by using the magnetic force principle to effectively reduce the device replacement speed and prolong the service life of the device.

Referring to fig. 1 and 2, the top of the outer housing 21 further has a liquid inlet 212 and the bottom has a first liquid outlet 213, the positions of the liquid inlet 212 and the first liquid outlet 213 can be set at any position of the outer housing 21 according to different requirements of the embodiments, the liquid inlet 212 is in communication with the first liquid outlet 213, in this embodiment, when a liquid enters the first liquid outlet 213 from the liquid inlet 212, the first liquid outlet 213 is filled up, the first liquid outlet 213 is completely soaked in the liquid by the extrusion 22 set in the first liquid outlet 213, accordingly, the first opening 2234 is further provided on the piston ring 223 of the extrusion 22, the liquid flowing into the first liquid outlet 223 is introduced into the first liquid outlet 2233 through the first opening 2234, in this embodiment, when a liquid is sucked into the first liquid outlet 213 from the second liquid outlet 223 by the second piston ring 2, the second opening 2235 is further provided on the second piston ring 223, and the first liquid outlet 223 is pulled into the first liquid outlet 213 through the first opening 2232, and the second liquid outlet 223 is sucked into the first liquid outlet 223 through the first opening 2232, and the second liquid outlet 223 is pulled into the first liquid outlet 213 through the first opening 2232, and the second liquid outlet 223 is completely soaked into the first liquid outlet 213 through the first opening 2234, and the second liquid outlet 213 is pulled into the first liquid outlet 213 through the first opening 223, and the second piston 11 is pulled into the first liquid outlet 213.

The number of the first openings 2234 may be one or more, the number of the first openings 2234 may be increased or decreased according to the requirement, if the plug ring 223 is in a cake shape, the first openings 2234 may be disposed on a side wall surface of the plug ring 223, so that the liquid may enter the plug ring 223, and since the extrusion member 22 is disposed in the first accommodating space 211 and is immersed in the liquid, if the first openings 213 are not disposed, after the plug valve 222 of the extrusion member 22 completes the pushing operation, the plug valve 222 is difficult to be reset due to the pressure principle of the liquid and the quantitative accommodating space 2233 is also difficult to be filled with the liquid, if the design according to the embodiment is adopted, the liquid may be filled into the quantitative accommodating space 2233 from the first openings 213 quickly, and the quantitative accommodating space 2233 may be adjusted according to different requirements, so as to adapt to different requirements of the quantitative accommodating space 2233.

With reference to fig. 2, one end of the traction portion 10 further includes a reset base 12, including a reset portion 121 and a displacement plate 122, where the reset portion 121 is composed of a first housing 1211 and a second housing 1212, and a second accommodating space 1213 is defined by the first housing 1211 and the second housing 121 by means of clamping, fastening or bonding, a limiting slot 1214 is further provided in the second accommodating space 1213, the number of the limiting slots 1214 may be one or more, and may be changed according to the requirement of use, a reset element 1215 is provided in the limiting slot 1214, the reset element 1215 may be a spring, an elastic rope and a pair of magnets with the same magnetic property, the displacement plate 122 has a first end 1221, the first end 1221 is further designed with a protrusion extending downward, the protrusion may be provided in the limiting slot 1214 to make the displacement plate 122 displace on the first housing 1211, and the first end 1221 connects the reset element 1215 to the reset element 1215 and make the displacement plate 122 perform a reciprocating motion through the reset element 1215.

As mentioned above, the displacement plate 122 on the reset base 12 is a pressing portion for the user to press, the first end 1221 of the displacement plate 122 may be disposed in the reset base 12 by means of clamping, pressing limiting, fastening, etc., and the other end protrudes out of the reset base 12 and is used as a pressing portion for the user to use conveniently.

Referring to fig. 2, the first end 1221 of the displacement plate 122 is further provided with an engaging hole 1222, the number of the engaging holes 1222 can be increased or decreased according to the requirement of the user, so that one end of the pulling portion 10 passes through a hole on the second housing 1212 to be engaged with the engaging hole 1222, the hole can be a limiting portion besides the pulling portion 10, so as to prevent the pulling portion 10 from being carelessly operated to displace the device components when in use, so that the device cannot normally operate, the pulling portion 10 and the displacement plate 122 can be designed as an integrally formed component besides being combined in a joint manner, and the second housing 1212 has an opening 1216, the first liquid outlet 213 is combined with the opening 1216, and the liquid outlet control portion 20 is combined with the opening 1216 on the second housing 1212 of the reset base 12 through the first liquid outlet 213, so that the liquid outlet control portion 20 is only connected with the reset base 12, as shown in fig. 3.

Referring to fig. 2, the displacement plate 122 has a second end 1223, when the displacement plate 122 is placed in the reset portion 121, the second end 1223 protrudes out of the reset portion 121, and the second end 1223 has a second fluid outlet 1224, when the displacement plate 122 moves into the reset portion 121, such that the second fluid outlet 1224 is aligned with the opening 1216 of the second housing 1212, when the displacement plate 122 moves into the reset portion 121, wherein the second end 1223 of the displacement plate 122 is not aligned with the first fluid outlet 1224 when the displacement plate 121 is not actuated, and such that the first end 1221 is not designed to be a closed surface, and such that the first fluid outlet 1221 is not actuated by the displacement plate 122, such that the second fluid outlet 1224 is displaced into the reset portion 1212 by the displacement plate 122, when the displacement plate 122 moves into the reset portion 1212, such that the second fluid outlet 1223 is displaced out of the reset portion 1212 by the reset portion 1212, such that the second fluid outlet 1221 is displaced out of the reset portion 1215 is positioned in the reset portion 1215, such that the second fluid outlet 1221 is displaced out of the reset portion is not actuated by the reset portion 12112, such that the first end 1221 is not designed to be a closed surface.

In this embodiment, when the quantitative liquid feeding device 1 is operated, liquid is discharged through pushing the displacement plate 122 in a pressing manner, the quantitative liquid feeding device 1 can be embedded into a wall or a cabinet body, so that the whole device can be reversely installed in the arrangement process, the direction of the protrusion of the displacement plate 122 is inwards, and a pull ring is designed at the position of the second end 1223 of the displacement plate 122, accordingly, a user can easily touch the position of the liquid, which is not easy to leak, by extending the palm below the device and pulling the pull ring by fingers when the user uses the device, the position of the palm is just located under the second liquid outlet 1224, when the user uses the fingers to pull the pull ring to make the quantitative liquid feeding device 1 discharge, the liquid can just fall into the palm of the user, the design is particularly used in a place where the user is dark in light, when the user cannot clearly see the device body, the user cannot always find the position of the liquid outlet accurately, a part of the liquid cannot be used by the user in the first time in the operation process, the position of the user cannot leak out of the liquid when the user can not see the liquid, the position of the user can be easily leak the liquid through the touch barrier, and the position of the user can easily touch the liquid can not be easily leaked through the touch the position of the liquid feeding device when the user is easy to see the palm, and the user can see the position of the user can not touch the liquid can see the position of the device.

Please refer to fig. 4A, which is a schematic diagram of the quantitative liquid feeding device 1 when the liquid feeding operation is not performed yet, the plug valve 22 stays at the first supporting portion 2231 of the plug ring 223 when no displacement occurs, and at this time, a fixed amount of liquid is temporarily stored in the quantitative accommodating space 2233 of the plug ring 223 for use in the operation; referring to fig. 4B, which is a schematic diagram of the quantitative liquid feeding device 1 when the liquid feeding operation is being performed, the plug valve 22 is displaced from the first supporting portion 2231 to the second supporting portion 2232 through the quantitative accommodating space 2233, and pushes out the liquid temporarily stored in the quantitative accommodating space 2233 to the second opening 2235 of the second supporting portion 2232; referring to fig. 4C, the quantitative liquid feeding device 1 is shown when it is pushed to the bottom when performing the liquid discharging operation, at this time, the plug valve 222 is moved to the second supporting portion 2232, and all the liquid in the quantitative accommodating space 2233 flows out from the second opening 2235.

With continued reference to fig. 2, a first magnetic positioning member 1217 is disposed at the opening 1216 of the second housing 1212, a second magnetic positioning member 1225 is disposed at the first end 1221 of the displacement plate 122, and when the first end 1221 returns to be aligned with the opening 1216 for closing, the first magnetic positioning member 1217 and the second magnetic positioning member 1225 magnetically attract each other and complete positioning, and in the conventional liquid feeding device, although a reset structure is designed, a residual liquid scale which can block the closing of the liquid outlet is formed to block the displacement plate 122 from resetting or to make the displacement plate 122 incompletely close the liquid outlet, so that the liquid leakage is caused.

It should be noted that the quantitative liquid feeding device 1 further comprises a liquid storage tank, the liquid storage tank includes a third liquid outlet, the number of the third liquid outlets can be increased or decreased according to the requirement of the user, the third liquid outlet is in butt joint with the liquid inlet 212 on the top of the liquid outlet control portion 20, wherein the liquid storage tank can be a tank body for containing liquid, a liquid containing bag or a containing space which is arranged at other places and can store the liquid or the liquid containing bag, and the liquid storage tank is not required to be adjacent to the liquid inlet 212; the third liquid outlet can be a tubular structure or any form of flow guiding structure, and the third liquid outlet can be simultaneously connected with a plurality of quantitative liquid feeding devices 1, so that the design is used for reducing the operation procedure when replenishing liquid, a user does not need to change the quantitative liquid feeding devices one by one when replenishing the liquid, and the liquid replenishing of the quantitative liquid feeding devices 1 can be finished simultaneously only by replenishing a large-capacity liquid storage tank, so that manpower resources can be saved, the use amount of the liquid can be truly controlled, and the quantitative liquid feeding devices 1 cannot be arranged at a hidden position and forget to replenish the liquid because the quantitative liquid feeding devices are not easy to find, so that the device is forgotten.

In addition, in one embodiment of the present invention, the quantitative liquid feeding device 1 may be used in places where a large number of demands are required, such as department stores, schools, hospitals, jockey courses, banks or office buildings, in addition to small families or a small number of individual devices, because the third liquid outlet on the liquid storage tank of the quantitative liquid feeding device 1 is designed to be a tubular structure, the liquid storage tank and the quantitative liquid feeding device 1 can be linked through the tubular structure of the third liquid outlet when being arranged, and the range of use can be enlarged when the tubular structure of the third liquid outlet is used for connection, for example: in schools, a plurality of hand basins are arranged on different positions of each floor, such as a toilet, an outdoor hand basin or a tea water room hand basin, the arrangement position of the device is not necessarily provided with a space for placing the liquid storage basin, at the moment, the design of the device can be corresponding to the state, the quantitative liquid feeding device 1 can be arranged only by a small space, then the liquid storage basin is arranged at the containing space below a storage cabinet or a hand basin with larger surrounding space through the tubular design of the third liquid outlet, a plurality of adjacent quantitative liquid feeding devices 1 can be simultaneously connected on the same liquid storage basin, in combination with the other embodiment of the device, the device can be arranged in an embedded mode, the main device body and the liquid storage basin are hidden in the cabinet body or the wall, and the cleaning liquid can be obtained only by exposing a liquid outlet and a pressing part, unlike the prior device which is provided with the liquid storage basin and is exposed outside, so that students have the opportunity to damage the quantitative liquid feeding device 1, and if the quantitative liquid feeding device 1 is arranged in an open park or an outdoor wash platform, the quantitative liquid feeding device 1 must bear the damage of blowing, sun-drying and rain, so that the external structure of the quantitative liquid feeding device 1 causes wear or the risk of adding other liquid by artificial malicious.

Referring to fig. 5, the third liquid outlet further has a magnetic valve 30, the magnetic valve 30 has a valve seat and a valve plug, when the magnetic valve 30 is matched with the liquid inlet 212 by a magnetic element 2121, the valve plug on the magnetic valve 32 and the magnetic element 2121 on the liquid inlet 212 are magnetically repulsive to each other, so that the valve plug on the magnetic valve 30 is pushed upwards to open, if the magnetic element 2121 is disconnected from the magnetic valve 30, the valve plug of the magnetic valve 30 is closed downwards, so that the liquid can be prevented from leaking out of the liquid storage tank when the liquid is replaced, and as long as the third liquid outlet is separated from the liquid inlet 212, the magnetic valve 30 is closed in time, so that the liquid remaining in the liquid storage tank is prevented from flowing out, besides, the liquid can be prevented from being pulled to the tubular structure of the third liquid outlet when the liquid inlet 212 is installed, if the magnetic valve is forced too hard to open, the third liquid outlet and the liquid inlet 212 can be separated, and unnecessary liquid leakage from the liquid storage tank can be effectively prevented.

Referring to fig. 6, the liquid storage tank is further provided with a liquid storage opening, the liquid storage opening is provided with a cover body connected with the liquid storage tank, and a magnetic energy lock assembly 31 is further installed at the connection part of the cover body and the liquid storage tank, wherein the arrangement direction of the cover body is not limited to be vertical or horizontal, and the liquid storage tank can be designed with large capacity, so that the cost for one time is high, the liquid storage tank can be prevented from being stolen during storage, or the magnetic energy lock assembly 31 is specially designed for use as anti-theft.

With continued reference to fig. 6A, the magnetic energy lock assembly 31 further has a first lock portion 311 mounted on the liquid storage tank, a second lock portion 312 mounted on the cover body and a magnetic energy key 313, the first lock portion 311 and the second lock portion 312 have a plurality of magnetic tracks 314 respectively and are communicated, each of the plurality of magnetic tracks 314 includes at least one magnetic attraction element 315, and by disposing the plurality of magnetic attraction elements 315 on the first lock portion 311 and the second lock portion 312, the magnetic energy lock assembly is mutually locked, the magnetic attraction elements 315 at least include positive and negative poles in the equal magnetic track 314, as shown in fig. 6B, when the magnetic energy key 313 attracts the first lock portion 311, the magnetic attraction elements 315 in the magnetic track 314 are attracted by the magnetic energy key 313, and attracted to the magnetic track 314, and when the magnetic energy lock portion 311 is separated from the first lock portion 311, and when the magnetic energy lock portion 311 is attracted by the magnetic energy assembly 311, the magnetic energy lock portion 311 is not attracted by the magnetic energy lock portion 315, and when the magnetic energy lock portion 311 is attracted by the magnetic energy assembly 31, the magnetic attraction elements 315 can be closed by the magnetic energy lock portion 315 in the magnetic track 314, and when the magnetic energy lock portion 311 is not attracted by the magnetic energy assembly 311.

It should be further noted that the magnetic energy key 313 is provided with at least a plurality of different magnetic attraction elements 315 that are matched with the plurality of magnetic attraction elements 315 in the magnetic track 314, so that the magnetic energy lock assembly 31 does not find a magnet and an openable magnetic energy lock at will, and each group of the magnetic energy lock assembly 31 and the plurality of magnetic attraction elements 315 in the magnetic track 314 and the magnetic energy key 313 can be connected in an unlocking pairing manner unique to the user according to the user's requirement.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the claims of the present invention; while the foregoing description is directed to embodiments and methods of using the same, other and further embodiments and methods of using the same are shown and described herein, it is intended that the appended claims be construed as broadly as the same.

Claims

1. A dosing device, comprising:

the traction part is provided with a first magnetic part;

the liquid outlet control part consists of an outer shell and a first accommodating space, an extrusion part is arranged in the first accommodating space, one end of the extrusion part is provided with a second magnetic part, the other end of the extrusion part is provided with a plug valve, a plug ring is sleeved on the plug valve, the plug ring is provided with a first supporting part, a second supporting part and a certain amount of accommodating space, and the plug valve is arranged in the quantitative accommodating space; the traction part is attached to the outer shell, so that the first magnetic attraction part and the second magnetic attraction part are mutually pulled by the outer shell to drive the extrusion part to displace, and meanwhile, the plug valve is displaced from the first abutting part to the second abutting part;

the plug valve is characterized in that the outer shell is further provided with a liquid inlet and a first liquid outlet, the plug ring is further provided with a first opening communicated with the liquid inlet and arranged on the side wall surface of the plug ring, a second opening is further arranged on the second supporting part of the plug ring and communicated with the first liquid outlet on the outer shell, accordingly, liquid flows through the first opening from the liquid inlet to enter the quantitative accommodating space, and when the plug valve moves from the first supporting part to the second supporting part, the liquid stored in the quantitative extrusion accommodating space flows from the second opening to the first liquid outlet, and after the plug valve completes the pushing action, the liquid is filled into the quantitative accommodating space from the first opening rapidly.

2. The quantitative liquid feeding device according to claim 1, wherein one end of the traction part is further provided with a reset base, the reset base comprises a reset part and a shift plate, the reset part is composed of a first shell and a second shell, a second accommodating space is defined, a limiting groove is further formed in the second accommodating space, a reset element is arranged in the limiting groove, and the shift plate is provided with a first end arranged in the limiting groove and connected with the reset element, and makes the shift plate reciprocate in the limiting groove.

3. The dosing device according to claim 2, wherein the first end is further provided with an engagement hole, one end of the traction portion is inserted through the second housing to engage with the engagement hole, and the second housing has an opening, and the first liquid outlet is combined with the opening.

4. A dosing device according to claim 3, wherein the displacement plate has a second end and the second end has a second outlet, such that the second outlet is aligned with the opening when the displacement plate is moved.

5. A dosing device according to claim 3, wherein a first magnetic positioning member is provided at the opening, a second magnetic positioning member is provided at the first end, and the first magnetic positioning member and the second magnetic positioning member are magnetically positioned with respect to each other when the first end returns to match the opening.

6. The dosing device of claim 1, further comprising a reservoir, wherein the reservoir comprises a third outlet, and wherein the third outlet is in communication with the inlet.

7. The dosing device according to claim 6, wherein the third outlet further comprises a magnetic valve, and when the magnetic valve is matched with a magnetic element arranged at the liquid inlet, the magnetic valve and the magnetic element are mutually repulsed magnetically, so that the magnetic valve is opened, and if the magnetic valve is far away from the magnetic element, the magnetic valve is closed.

8. The dosing device of claim 6, wherein the reservoir has a reservoir opening and the reservoir opening has a cover associated with the reservoir, the cover further having a magnetic lock assembly mounted thereon.

9. The dosing device according to claim 8, wherein the magnetic energy lock assembly further comprises a first lock portion, a second lock portion and a magnetic energy key, the first lock portion and the second lock portion are respectively provided with a plurality of magnetic tracks and are communicated, each magnetic track at least comprises a magnetic attraction element, the magnetic attraction elements are arranged at the positions where the first lock portion and the second lock portion are communicated to enable the magnetic attraction elements to be locked with each other, the magnetic tracks at least comprise the magnetic attraction elements with positive poles and negative poles, and when the magnetic energy key adsorbs the first lock portion, the second lock portion and the first lock portion are separated according to the magnetic energy key.