CN212186305U

CN212186305U - Quantitative liquid feeding device

Info

Publication number: CN212186305U
Application number: CN202020193789.8U
Authority: CN
Inventors: 张文腾
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-21
Filing date: 2020-02-21
Publication date: 2020-12-22
Anticipated expiration: 2030-02-21

Abstract

The utility model provides a quantitative liquid feeding device, which comprises a traction part and a liquid outlet control part, wherein the traction part comprises a shell body, a first accommodating space and an extrusion piece, the traction part is provided with a first magnetic absorption part, the extrusion piece is arranged in the first accommodating space, and the extrusion piece consists of a second magnetic absorption part, a plug valve and a plug ring; in particular, when the traction portion is attached to the outer casing, the first magnetic attraction portion and the second magnetic attraction portion are mutually dragged across the outer casing to drive the extrusion member to move, and the plug valve moves from the first abutting portion to the second abutting portion.

Description

Quantitative liquid feeding device

The technical field is as follows:

the present invention relates to a quantitative liquid feeder, and more particularly to a quantitative liquid feeder which draws an extrusion member by a magnetic drawing part to extrude liquid in a quantitative receiving space and further has a magnetic valve and a magnetic lock assembly.

Background art:

the industrial development makes people's living environment slowly suffer from serious pollution, because of overuse of natural resources due to industrial needs, forest, greenery and tropical rain forest are greatly reduced, loess barren fields which are devastated are left, a front cross is formed, air pollution is caused immediately, furthermore, the discharge of industrial waste water causes the cultivated land to be polluted by heavy metal, human beings indirectly eat toxic crops, various complications are caused, and all human beings are harmed through infection.

Due to the promotion of the hygienic habit, no matter in department stores, school units, banks, post offices, restaurants and various places with large flow of people, liquid cleaning liquid is placed in the places, a liquid feeding device is also arranged at a toilet, and the liquid feeding device is not only a liquid feeding device for alcohol or disinfectant at the door or even a soap feeding device for the hand sanitizer of the toilet, but also a device with frequent use is adopted.

In addition to the above problems, the existing devices have a serious problem, although the devices are increasingly fine in manufacturing, the pressing devices are often damaged by tens of thousands of pressing times every day, and the liquid outlet devices designed at present mostly use the design of spring structures to operate the liquid supply devices, but the springs are fatigue, or the connection points connecting the springs and the structures 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 give proper liquid feeding and how to make the device bear high-frequency pressing is just the biggest problem of the liquid feeding device at present.

The utility model has the following contents:

in view of the above, the present invention provides a quantitative liquid feeding device, which comprises a drawing part, a first magnetic part and a second magnetic part, wherein the drawing part is provided with the first magnetic part; the liquid outlet control part consists of an outer shell and a first accommodating space, wherein an extrusion piece is arranged in the first accommodating space, one end of the extrusion piece is provided with a second magnetic suction part, the other end of the extrusion piece is provided with a plug valve, a plug ring is sleeved on the plug valve and 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 suction part and the second magnetic suction part are mutually dragged across the outer shell to drive the extrusion part to move, and meanwhile, the plug valve moves from the first abutting part to the second abutting part.

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 abutting portion to the second abutting portion, 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 which comprises a reset part and a shifting plate, the reset part is composed of a first shell and a second shell and defines a second accommodating space, the second accommodating space is further provided with a limiting groove, a reset original is arranged in the limiting groove, and the shifting plate is provided with a first end which is arranged in the limiting groove and connected with a reset element and enables the shifting plate to reciprocate 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 is restored to be matched with the opening, the first magnetic positioning piece and the second magnetic positioning piece are mutually magnetically attracted for positioning. The quantitative liquid feeding device is further provided with a liquid storage tank, the liquid storage tank comprises a third liquid outlet, and the third liquid outlet is communicated with the liquid inlet.

The third liquid outlet is further provided with a magnetic valve, when the magnetic valve is matched with the liquid inlet by arranging a magnetic element, the magnetic valve and the magnetic element are mutually magnetically repelled, 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 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 quantitative liquid feeding device is characterized in that the magnetic lock assembly is further provided with a first lock part, a second lock part and a magnetic key, the first lock part and the second lock part are respectively provided with a plurality of magnetic tracks and communicated, each magnetic track at least comprises a magnetic element, the magnetic elements are arranged at the communicated part of the first lock part and the second lock part and are locked with each other, the magnetic tracks at least comprise magnetic elements with positive and negative poles, and when the magnetic key adsorbs the first lock part, the second lock part is separated from the first lock part.

Therefore, the quantitative liquid feeding device can obtain a proper amount of cleaning liquid when being used every time, the amount of liquid discharged every time can be adjusted to the most suitable amount by changing a simple structure according to the requirements of a user, in addition, the magnetic force is widely used for actuation in the scheme, the use of an elastic structure is reduced, the device can cope with high-frequency pressing, the risk of faults is reduced, accordingly, the most accurate amount can be used when the user uses the device, and the problems of little friction or elastic structure loss are solved due to the magnetic force, and the service life of the liquid feeding device is greatly prolonged.

Description of the drawings:

fig. 1 is an exploded perspective view of a quantitative liquid feeder according to the present invention.

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

Fig. 3 is a schematic view of the quantitative liquid feeding device of the present invention.

Fig. 4A is a schematic diagram before the plug valve of the present invention is displaced.

Fig. 4B is a schematic diagram in the displacement of the plug valve of the present invention.

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

Fig. 5 is a schematic view of the magnetic valve of the present invention.

Fig. 6 is a schematic view of a magnetic energy lock assembly of the present invention.

Reference numerals:

1 quantitative liquid feeding device

10 traction part

11 first magnetic part

12 reset base

121 reset part

1211 first shell

1212 second casing

1213 second accommodating space

1214 limiting groove

1215 reset element

1216 opening

1217 first magnetic positioning element

122 shifting plate

1221 first end

1222 joint hole

1223 second end

1224 second liquid outlet

1225 second magnetic positioning element

20 liquid outlet control part

21 outer casing

211 first accommodation space

212 liquid inlet

2121 magnetic element

213 first liquid outlet

22 extrusion

221 second magnetic attraction part

222 plug valve

223 plug ring

2231 first abutting part

2232 second abutting part

2233 quantitative accommodating space

2234 first opening

2235 second opening

30 magnetic valve

31 magnetic energy lock assembly

311 first lock part

312 second lock part

313 magnetic energy key

314 track

315 magnetic attraction element

The specific implementation mode is as follows:

since the present inventor discloses a quantitative liquid-feeding device, the connection, linkage relationship and principle of the used structures are known to those skilled in the art, the following description of Chinese language is not fully described. Meanwhile, the drawings of the drawings referred to below express structural schematic related to the present creation features, and are not necessarily drawn completely according to actual dimensions, and are stated in advance.

Referring to fig. 1, a structure of the liquid dosing apparatus 1 is shown in an exploded view. The quantitative liquid feeding device 1 provided by the creation 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 casing 21 and a first accommodating space 211, wherein the first accommodating space 211 is located inside the outer casing 21, an extrusion part 22 is placed in the first accommodating space 211 inside the outer casing 21, the extrusion part 22 is used for extruding and discharging the liquid in the first accommodating space 211 to achieve the function of liquid outlet, one end of the extrusion part 22 is provided with a second magnetic part 221, the other end is a plug valve 222, the plug valve 222 is arranged in a manner of being perpendicular to the extrusion part 22, the plug valve 222 is sleeved with a plug ring 223, the plug valve 222 is covered by the plug ring 223, the plug ring 223 is in a basket-empty configuration, an opening can be arranged at the side edge in a manner of being sleeved with 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 abutting part 2231, A second abutting portion 2232 and a certain amount of accommodating space 2233, the size of the certain amount of accommodating space 2233 is defined by the range of the frame formed by the first abutting portion 2231 and the second abutting portion 2232, the plug valve 222 is disposed in the certain amount of accommodating space 2233, and the size of the plug valve 222 is only slightly smaller than the plug ring 223, and cannot be different from each other and too large; the traction portion 10 is attached to the outer housing 21, so that one end of the traction portion 10, the first magnetic attraction portion 11 and one end of the extrusion member 22, the second magnetic attraction portion 221 are separated from the outer housing 21 to mutually pull and drive the extrusion member 22 to move, and meanwhile, the plug valve 222 is moved from the first abutting portion 2231 to the second abutting portion 2232, wherein the magnetism of the first magnetic attraction portion 11 and the second magnetic attraction portion 221 may be different or different, as long as the linkage is generated.

In particular, the extrusion member 22 of the present invention is particularly designed to be disposed in the first accommodation space 211 defined by the outer housing 21, so that the extrusion member 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, furthermore, the extrusion member 22 is inevitably in direct contact with liquid during operation, the conventional liquid supply device is often in a liquid leakage risk during operation, no matter the liquid is polluted due to artificial damage or the extrusion member 22 is exposed to the outside and is polluted, when the device is operated, the polluted extrusion member 22 is in contact with the liquid, and thus the user cannot achieve a cleaning effect, but is more dirty when the device is washed.

In this embodiment, other liquid discharging manners may be adopted, such as embedding the liquid discharging control part 20 in a cabinet or a wall, the traction part 10 can be a metal sheet, the metal sheet is absorbed on the liquid outlet control part 20, when the user slides the metal sheet, the traction part 10 drives the extrusion part 22 in the liquid outlet control part 20 to complete the liquid outlet operation, therefore, the design of the structure reduces the spring or bracket structure operation, the abrasion speed of the device in use is reduced by utilizing the magnetic principle to draw and move, so that the abrasion among all the components can be effectively reduced by utilizing the magnetic action mode, the components are indirectly drawn and linked by utilizing the magnetic action mode, and the components are not in direct contact in action, thereby effectively reducing the replacement speed of the device and prolonging the service life of the device.

Referring to fig. 1 and 2, the outer casing 21 further has a liquid inlet 212 at the top and a first liquid outlet 213 at the bottom, the positions of the liquid inlet 212 and the first liquid outlet 213 can be set at any position of the outer casing 21 according to different implementation requirements, and the liquid inlet 212 is communicated with the first accommodating space 213, in this embodiment, when a liquid enters the first accommodating space 213 from the liquid inlet 212, the first accommodating space 213 is filled up, and the pressing member 22 disposed in the first accommodating space 213 is completely immersed in the liquid, so that the stopper ring 223 of the pressing member 22 further has a first opening 2234, the liquid flowing into the first accommodating space 213 is guided into the quantitative accommodating space 2233 in the stopper ring 223 through the first opening 2234, and the second abutting portion 2232 of the stopper ring 223 further has a second opening 2235 and the first liquid outlet 2233 of the outer casing 21 The liquid ports 213 are communicated with each other, so that the liquid flows into the first accommodating space 213 through the liquid inlet 211, and then enters the quantitative accommodating space 2233 through the first opening 2234 of the plug ring 223 for temporary storage, when the quantitative liquid feeding device 1 starts to operate, the traction portion 10 pulls the second magnetic attraction portion 221 of the extrusion member 22 through the first magnetic attraction portion 11, and the plug valve 222 at the other end of the extrusion member 22 moves from the direction of the first abutting portion 2231 of the plug ring 223 to the direction of the second abutting portion 2232, so that the liquid temporarily stored in the quantitative accommodating space 2233 is pushed by the plug valve 222, and flows to the first liquid outlet 213 through the second opening 2235, and completes the operation of quantitative liquid feeding.

Wherein, the number of the first openings 2234 may be one or more, and the number may be increased or decreased according to the requirement, if the plug ring 223 is of a round cake shape, the first openings 2234 are disposed on the side wall surface of the plug ring 223, and the first openings 2234 are configured to allow liquid to enter the plug ring 223, and since the extrusion member 22 is disposed in the first accommodating space 211 and soaked in the liquid, if the first openings 213 are not disposed, after the plug valve 222 of the extrusion member 22 completes the pushing action, the plug valve 222 is difficult to reset and the quantitative accommodating space 2233 is difficult to be filled with the liquid due to the pressure principle of the liquid when resetting, if the design according to this embodiment is adopted, the liquid can be quickly filled into the quantitative accommodating space 2233 from the first openings 213, and the quantitative accommodating space 2233 can adjust the size of the quantitative accommodating space 2233 according to different requirements, so as to measure the liquid discharge amount according to different requirements.

Referring to fig. 2, one end of the traction portion 10 is further provided with a reset base 12, which includes a reset portion 121 and a displacement plate 122, 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 in a clamping, clamping or bonding manner, the second accommodating space 1213 is further provided with a limiting groove 1214, the number of the limiting grooves 1214 can be one or more, and can be changed according to the use requirement, a reset element 1215 is disposed in the limiting groove 1214, the reset element 1215 can be a spring, an elastic cord, and a pair of magnets with the same magnetism, the displacement plate 122 has a first end 1221, the first end 1221 is further provided with a protrusion extending downward, and the protrusion can be disposed in the limiting groove 1214, so that the displacement plate 122 can be stably displaced on the first housing 1211, the protrusion on the first end 1221 is connected to the reset element 1215, so that the displacement plate 122 reciprocates in the limiting groove 1214 when the reset portion 121 and the displacement plate 122 are actuated by the linkage of the reset element 1215.

As mentioned above, the displacement plate 122 on the reset base 12 is a pressing portion that is mainly pressed by a user, the first end 1221 of the displacement plate 122 can be disposed in the reset base 12 by using a snap-fit, press-fit, and snap-fit, and the other end protrudes out of the reset base 12 and serves as a pressing portion to be conveniently used by the user.

Referring to fig. 2, the first end 1221 of the displacement plate 122 is further provided with an engagement hole 1222, the number of the engagement holes 1222 may be increased or decreased according to the user's requirement, so that one end of the traction portion 10 is inserted into a through hole on the second housing 1212 to engage with the engagement hole 1222, the through hole may be used for the traction portion 10 to pass through, and may also be a limiting portion to prevent the device components from being displaced due to careless operation of the traction portion 10 when in use, so that the device cannot operate normally, the traction portion 10 and the displacement plate 122 may be designed as an integrally formed member besides being combined in an engagement manner, the second housing 1212 is provided with 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, this is the only connection point between the liquid outlet control part 20 and the reset base 12, and the composition is as shown in fig. 3.

Referring to fig. 2, the shifting plate 122 has a second end 1223, when the shifting plate 122 is placed in the reset portion 121, the second end 1223 protrudes from the reset portion 121, and the second end 1223 has a second liquid outlet 1224, when the shifting plate 122 moves towards the reset portion 121, the second liquid outlet 1224 is aligned with the opening 1216 of the second housing 1212, wherein the first end 1221 of the shifting plate 122 is aligned with the first liquid outlet 1224 when the reset base 121 is not actuated, and the first end 1221 of the shifting plate 122 is a closed surface because the first end 1221 is not designed to be an opening, and when the liquid dosing device 1 is not actuated, the shifting plate 122 serves as a member for sealing the first liquid outlet 213, when the shifting plate 122 is actuated, the shifting plate 122 shifts into the reset base 12, so that the second liquid outlet 1224 of the second end 1223 is aligned with the opening 1216 connected to the second housing 1212, and at this time, the liquid flows out from the second liquid outlet 1224, completing the liquid outlet operation, and the displacement plate 122 is displaced outward of the reset portion 121 by the operation of the reset element 1215 disposed in the limiting groove 1214 of the first housing 1211 in the reset base 12, so as to displace the second liquid outlet 1224 of the displacement plate from the opening 1216 of the second housing 1212, and close the opening 1216, and the device is returned to the state before the operation is stopped.

In this embodiment, when the liquid dispensing device 1 is operated, the liquid can be dispensed by pushing the displacement plate 122 in a pressing manner, and since the liquid dispensing device 1 can be embedded in a wall or a cabinet, the whole device can be installed in a reversed manner when installed, the displacement plate 122 protrudes inward, and a pull ring is designed at the second end 1223 of the displacement plate 122, so that when a user uses the device, the palm of the user needs to extend to the lower side of the device, and then pulls the pull ring with fingers, the palm of the user is located just under the second liquid outlet 1224, and when the user pulls the pull ring with fingers to dispense liquid from the liquid dispensing device 1, the liquid will just fall into the palm of the user, which is particularly suitable for a user in a dark place where the light is not clearly visible, the user often can't find the position of liquid outlet accurately, causes to have partly when the operation liquid can't be caught and leak to the outside by user's palm the very first time, the leakage liquid causes the pollution of environment easily, moreover, more enables the easy use of looking barrier person, looks barrier person can't see the position of liquid outlet when using general liquid feeding device, and because the sense of touch of looking barrier person is relatively sensitive, when using this creation liquid feeding device 1 is given to the ration, can pass through the touching of fingertip the position of pull ring to when operating shifting plate 122 the pull ring liquid just can accurately fall into the palm, through this operation, the use that makes barrier person light give liquid device 1 to the ration.

It should be further noted that, referring to fig. 4A, it is a schematic diagram of the quantitative liquid feeding device 1 when the liquid discharging operation is not performed yet, when the plug valve 22 is not displaced, the plug valve stays at the first abutting portion 2231 of the plug ring 223, and at this time, a quantitative liquid is temporarily stored in the quantitative accommodating space 2233 in the plug ring 223 for use during the operation; referring to fig. 4B, which is a schematic view of the quantitative liquid feeding device 1 when liquid discharging is being performed, the plug valve 22 is displaced from the first abutting portion 2231 toward the second abutting portion 2232 through the quantitative accommodating space 2233, and pushes out the liquid temporarily stored in the quantitative accommodating space 2233 toward the second opening 2235 of the second abutting portion 2232; fig. 4C is a schematic view of the quantitative liquid feeding device 1 being pressed to the bottom when performing a liquid discharging operation, at which time the plug valve 222 has been displaced to the second abutting portion 2232, and all the liquid in the quantitative accommodating space 2233 has flowed out of the second opening 2235.

Referring to fig. 2, a first magnetic positioning element 1217 is disposed at the opening 1216 of the second housing 1212, a second magnetic positioning element 1225 is disposed at the first end 1221 of the shifting plate 122, when the first end 1221 is returned to be aligned with and sealed with the opening 1216, the first magnetic positioning element 1217 and the second magnetic positioning element 1225 are magnetically attracted to each other to complete positioning, because a conventional liquid feeding device has a reset structure, but a content of cleaning liquid is often adhered around a liquid outlet, so that residual liquid scale that may obstruct the liquid outlet from being closed is formed to block the shifting plate 122 from being reset or the shifting plate 122 is not completely closed, so that the liquid outlet cannot be completely closed, thereby causing liquid leakage, and therefore the first magnetic positioning element 1217 is disposed at the upper portion of the opening 1216 of the second housing 1212 and the second magnetic positioning element 1225 is disposed at the bottom of the first end 21221 of the shifting plate 122, aligned with each other, in this embodiment, the corresponding positioning members must have different magnetism, since the positioning members can effectively close the second liquid outlet 1224 after the liquid dosing apparatus 1 is used.

It should be further noted that the quantitative liquid feeding device 1 further includes 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 connected to the liquid inlet 212 at the top of the liquid outlet control part 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 another place and can store the liquid or the liquid containing bag, and the liquid storage tank does not need to be adjacent to the liquid inlet 212; the third liquid outlet can be a tubular structure or a diversion structure in any form, and the third liquid outlet can be simultaneously connected with a plurality of quantitative liquid feeding devices 1, the design is to reduce the operation procedures when supplementing liquid, a user does not need to change one liquid storage tank individually when supplementing operation, the liquid storage tank with large capacity is only needed to supplement liquid of a plurality of quantitative liquid feeding devices 1, not only can manpower resources be saved, but also the using amount of the liquid can be controlled and managed really, and the situation that the device is forgotten to supplement the liquid because the quantitative liquid feeding devices 1 are arranged at a hidden position and the liquid is forgotten to be supplemented because the liquid feeding devices are not easy to find is avoided.

Besides, in one embodiment of the present invention, the present invention can be used in a small household or a small number of individual devices, and the present invention can also be used in a place where a large amount of liquid needs to be disposed in public places, such as department stores, schools, hospitals, pool courts, banks or office buildings, because the third liquid outlet on the liquid storage tank of the present invention is designed to be a tubular structure, thereby the liquid storage tank and the liquid dosing device 1 can be linked through the tubular structure of the third liquid outlet when the liquid dosing device is disposed through the tubular third liquid outlet, and the range of use can be expanded when the tubular structure of the third liquid outlet is used for connection, for example, in a school, a plurality of hand washing tanks are disposed at different positions on each floor, such as in a toilet, The device of the outdoor hand washing tank or the tea room hand washing tank is not necessarily provided with a space for placing the liquid storage tank, at the moment, the design of the scheme can be used for installing the quantitative liquid feeding device 1 only with a small space according to the state, then the liquid storage tank is placed in the accommodating space below a storage cabinet or a hand washing platform with larger surrounding space through the tubular design of the third liquid outlet, and a plurality of adjacent quantitative liquid feeding devices 1 can be simultaneously connected to the same liquid storage tank, in another embodiment of the invention, the device can be arranged in a embedding mode, a main device body and the liquid storage tank are both hidden in a cabinet body or a wall, only one liquid outlet and a pressing part are exposed, and the device is different from the prior art that the liquid storage tank is arranged on the device and is exposed outside so that students have a chance to damage the quantitative liquid feeding device 1, if the quantitative liquid feeding device 1 is arranged in an open park or an outdoor wash basin, the device is bound to bear the damage of wind, sunshine and rain, so that the external structure of the quantitative liquid feeding device 1 is worn or the risk of adding other liquid by man maliciously is caused.

Referring to fig. 5, the third outlet further includes a magnetic valve 30, the magnetic valve 30 has a valve seat and a valve plug, when a magnetic element 2121 is disposed at the liquid inlet 212 of the magnetic valve 30 and the liquid inlet 212, the valve plug on the magnetic valve 32 magnetically repels the magnetic element 2121 at the liquid inlet 212, so that the valve plug on the magnetic valve 30 is pushed upward to open, and if the magnetic element 2121 is disconnected from the magnetic valve 30, the valve plug on the magnetic valve 30 is closed downward, so that the refill liquid can be prevented from leaking out of the reservoir when the refill liquid is replaced, because the magnetic valve 30 is closed in time as soon as the third outlet leaves the liquid inlet 212, the liquid remaining in the reservoir is prevented from flowing out, and besides, a tubular structure of the third outlet can be prevented from being pulled during installation, if the force is too strong, the third liquid outlet and the liquid inlet 212 may be separated, and at this time, the magnetic valve 30 may also effectively prevent the liquid in the liquid storage tank from leaking out, so as to avoid unnecessary waste.

Referring to fig. 6, the liquid storage tank is further provided with a liquid storage opening having a cover body connected with the liquid storage tank, and a magnetic lock assembly 31 is further installed at a connection position of the cover body and the liquid storage tank, wherein the cover body is not limited to be vertically or horizontally arranged, and the liquid storage tank may be designed with a large capacity, so that the cost for one time is high, the liquid storage tank is further prevented from being stolen during storage, or the liquid storage tank falls out because the liquid storage tank is not stored, and therefore, the magnetic lock assembly 31 is specially designed for the purpose of theft prevention.

With reference to fig. 6(a), the magnetic lock assembly 31 further includes a first lock portion 311 installed on the liquid storage tank, a second lock portion 312 installed on the cover and a magnetic key 313, the first lock portion 311 and the second lock portion 312 respectively have a plurality of magnetic tracks 314 and are communicated with each other, each of the plurality of magnetic tracks 314 at least includes a magnetic attraction element 315, and the magnetic attraction elements 315 are disposed at a communication position between the first lock portion 311 and the second lock portion 312 to be locked with each other, the magnetic tracks 314 at least include magnetic attraction elements 315 with positive and negative poles, as shown in fig. 6(B), when the magnetic key 313 adsorbs the first lock portion 311, the magnetic attraction elements 315 in the magnetic tracks 314 of the first lock portion 312 are adsorbed by the magnetic key 313 and are adsorbed in the magnetic tracks 314 of the first lock portion 312, so that the second lock portion 312 is separated from the first lock portion 311, as shown in fig. 6(C), when the magnetic lock assembly 31 needs to be closed, the magnetic attraction elements 315 in the first lock portion 311 and the second lock portion 312 stay on the magnetic track 314 adjacent to the first lock portion 311 and the second lock portion 312, so that the magnetic lock assembly 31 is locked by the magnetic attraction elements 315 and cannot be unlocked, and when the magnetic key 313 is attracted to the first lock portion 311, the magnetic attraction elements 315 are attracted to the magnetic track 314 of the first lock portion 311, so that no obstacle exists adjacent to the first lock portion 311 and the second lock portion 312, and at this time, the magnetic lock assembly 31 can be unlocked.

It should be noted that the magnetic energy key 313 is at least provided with a plurality of magnetic attraction elements 315 that are different from each other and 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 have to find a magnet and an openable magnetic energy lock, and the plurality of magnetic attraction elements 315 in the magnetic track 314 and the magnetic energy key 313 in each magnetic energy lock assembly 31 can be connected to each other to design a unique unlocking and matching manner according to user requirements.

The above description is only a preferred embodiment of the present disclosure, and is not intended to limit the claimed embodiments of the present disclosure; while the foregoing description will be apparent to those skilled in the art from this disclosure, it is intended that the appended claims cover all such modifications and changes as fall within the true spirit of the disclosure.

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 piece is arranged in the first accommodating space, one end of the extrusion piece is provided with a second magnetic suction part, the other end of the extrusion piece is provided with a plug valve, a plug ring is sleeved on the plug valve and is provided with a first abutting part, a second abutting part and a certain amount of accommodating space, and the plug valve is arranged in the certain amount of accommodating space; the traction part is attached to the outer shell, so that the first magnetic suction part and the second magnetic suction part are separated from the outer shell to be mutually dragged to drive the extrusion part to move, and meanwhile, the plug valve moves from the first abutting part to the second abutting part.

2. The device of claim 1, wherein the outer housing further has a liquid inlet and a first liquid outlet, and the stopper ring further has a first opening communicating with the liquid inlet and a second opening communicating with the first liquid outlet, such that a liquid flows from the liquid inlet through the first opening into the quantitative receiving space, and when the stopper valve moves from the first abutting portion to the second abutting portion, the liquid stored in the quantitative receiving space flows from the second opening to the first liquid outlet.

3. The device of claim 2, wherein the pulling portion further comprises a reset base disposed at one end thereof, the reset base comprising a reset portion and a displacement plate, the reset portion comprising a first housing and a second housing and defining a second receiving space, the second receiving space further comprising a limiting groove, a reset element disposed in the limiting groove, and the displacement plate having a first end disposed in the limiting groove and connected to the reset element for reciprocating the displacement plate in the limiting groove.

4. The device of claim 3, wherein the first end further has an engagement hole, such that an end of the pulling portion penetrates the second housing to engage with the engagement hole, and the second housing has an opening, and the first liquid outlet is coupled to the opening.

5. The metered dose device of claim 4, wherein said displacement plate has a second end and said second end has a second outlet, said displacement plate moving to align said second outlet with said opening.

6. A dosing device as claimed in claim 4, wherein a first magnetic location element is provided at the opening, and a second magnetic location element is provided at the first end, the first and second magnetic location elements being magnetically attracted to each other for location when the first end is returned to its mating position with the opening.

7. A dosing device as claimed in claim 2, further comprising a reservoir, said reservoir including a third outlet, said third outlet being in communication with said inlet.

8. The metered dose dispensing apparatus of claim 7, wherein said third dispensing port further comprises a magnetic valve, said magnetic valve and said magnetic element magnetically repel each other when a magnetic element is disposed at said inlet port and said magnetic valve is mated therewith, thereby opening said magnetic valve, and closing said magnetic valve if said magnetic valve is spaced apart from said magnetic element.

9. A dosing device as claimed in claim 7, wherein said reservoir has a reservoir opening and said reservoir opening has a cover associated with said reservoir, said cover further having a magnetic lock assembly mounted thereon.

10. The quantitative liquid feeding device according to claim 9, wherein the magnetic lock assembly further comprises a first lock portion, a second lock portion and a magnetic key, the first lock portion and the second lock portion are respectively provided with a plurality of magnetic tracks and communicated with each other, each of the plurality of magnetic tracks at least comprises a magnetic attraction element, the magnetic attraction elements are arranged at the communication position of the first lock portion and the second lock portion to be locked with each other, the magnetic tracks at least comprise the magnetic attraction elements with positive and negative poles, and when the magnetic key attracts the first lock portion, the second lock portion is separated from the first lock portion.