CN218304773U - Device for adding liquid and floor washing machine - Google Patents

Abstract

The utility model discloses a liquid adds device for floor cleaning machine, liquid add the device and include that inside is hollow structure's liquid and add the device main part, liquid adds the device main part and can install on floor cleaning machine, liquid adds and is equipped with liquid pouring opening, liquid delivery outlet and control mechanism in the device main part, control mechanism's one end exposes in the liquid and adds the device main part outside, control mechanism's the other end supports with the liquid delivery outlet and holds the connection, control mechanism under external effort, to liquid delivery outlet direction extrusion, so that the liquid delivery outlet with control mechanism support and hold junction alternate segregation. Through adding the volume that is equipped with control mechanism in the device main part through liquid, control mechanism control liquid flows into the water tank, and remaining liquid storage is convenient next time in liquid adds the device main part and is used, and liquid inflow is intake the case and can be reached the disinfection purpose like this to reach the production that restraines the peculiar smell, the production of no peculiar smell has improved user's experience and has felt.

Description

Device for adding liquid and floor washing machine

Technical Field

The utility model relates to an add device and floor cleaning machine of liquid is applied to the electrical apparatus field.

Background

At present, the floor washing machine is widely applied, and brings convenience to people in cleaning whether in commercial use or in household use. The floor washing machine can spray clear water to wash the ground, can also recycle sewage to suck the ground, integrates multiple functions, only needs one person to operate during working, greatly saves manpower and material resources, and also improves the cleaning quality of the environment. However, most floor washers can emit a bad smell after being used for a period of time, that is, the bad smell is emitted because the sewage of the floor washer is not treated completely or the water in the water tank is not used up, and the storage time is too long, most household floor washers are basically not equipped with the functions of self-cleaning and sterilization, or the floor washers equipped with the functions of self-cleaning and sterilization are very expensive. Most families still select a common floor washing machine, so peculiar smell is generated, the floor washing machine has to be cleaned and disinfected once manually, the workload of a user is increased, the user experience is poor, and the floor washing machine which is low in cost and can inhibit the peculiar smell of the floor washing machine is lacked at present.

Disclosure of Invention

To the domestic floor cleaning machine of part among the above-mentioned prior art do not have self-cleaning function and disinfect the disinfection function and use can send the peculiar smell after a period, lead to user experience to feel the variation, the utility model provides a simple structure, it is with low costs, convenient to use just can restrain the liquid interpolation device that the peculiar smell produced.

The utility model provides a technical scheme that its technical problem adopted is a device of interpolation liquid, and the device of interpolation liquid includes that liquid adds the device main part, liquid adds and is equipped with in the device main part and holds the chamber, be equipped with in the liquid interpolation device main part and be used for controlling the control mechanism that liquid got into the water tank.

Further, the control mechanism comprises a pressing mechanism, the pressing mechanism is arranged on the liquid adding device body in a penetrating mode, a liquid outlet mechanism and a reset mechanism are arranged on the pressing mechanism, the liquid outlet mechanism is located at one end of the pressing mechanism and is generally located at the bottom of the liquid adding device body, and the reset mechanism is used for resetting the pressing mechanism under external acting force;

further, the liquid adding device main body is provided with a mounting hole and a liquid output port, the pressing mechanism is mounted in the liquid adding device main body through the mounting hole and the liquid output port, the liquid outlet mechanism is arranged at the liquid output port, the reset mechanism is abutted against the liquid adding device main body, the pressing mechanism is pressed, the liquid outlet mechanism is separated from the liquid output port, the pressing mechanism is released, and the reset mechanism resets the pressing mechanism;

further, a groove is formed in the bottom of the liquid adding device main body, the liquid outlet is located in the bottom of the groove, an opening of the groove and the liquid outlet are in a horn-mouth shape, the liquid outlet is formed towards the outer side of the adding device main body, the opening is formed towards the inner side of the adding device main body, a sealing element close to the opening of the groove is arranged on the sliding rod, when the sliding rod is pressed, the liquid outlet is opened by the liquid outlet mechanism, liquid in the groove flows into the water tank, and the sealing element seals the opening of the groove;

the liquid adding device further comprises a connecting piece, the connecting piece and the water tank are integrally formed, a mounting groove is formed in the connecting piece, and the liquid adding device main body is mounted in the mounting groove;

furthermore, a partition board is arranged in the liquid adding device main body, the partition board is transversely arranged to divide the liquid adding device main body into two containing cavities, each containing cavity comprises a first containing cavity and a second containing cavity, a through hole penetrating through the first containing cavity and the second containing cavity is formed in the partition board, a mounting hole corresponding to the through hole is formed in the first containing cavity, the control mechanism is mounted in the first containing cavity, the pressing end of the control mechanism extends out of the mounting hole, the sealing end of the control mechanism is placed in the second containing cavity through the through hole, the liquid outlet is formed in the bottom of the second containing cavity, when the pressing end of the control mechanism is pressed, the sealing end of the control mechanism is separated from the liquid outlet, and liquid flows into the second containing cavity from the through hole and flows into the water tank from the liquid outlet;

furthermore, the pressing mechanism comprises a sliding rod, the sliding rod penetrates through the mounting hole and the liquid outlet, a gasket close to the mounting hole is arranged at the upper end of the sliding rod, the gasket is located in the liquid adding device main body, a reset mechanism is arranged below the gasket, the reset mechanism is sleeved on the sliding rod, one end of the reset mechanism is abutted to the gasket, the other end of the reset mechanism is abutted to the inner wall of the bottom of the liquid adding device main body, a liquid outlet mechanism is arranged at the lower end of the sliding rod, and the liquid outlet mechanism seals the liquid outlet;

furthermore, a shaft cylinder communicated with the mounting hole is arranged in the liquid adding device main body, the outer wall of the shaft cylinder is fixedly connected with the inner wall of the liquid adding device main body, the sliding rod penetrates through the shaft cylinder, the gasket is positioned below the shaft cylinder, a sealing ring is arranged on the sliding rod corresponding to the shaft cylinder, and the sealing ring can slide up and down in the shaft cylinder;

furthermore, a groove is formed in the bottom of the liquid adding device main body, the liquid output port is located at the bottom of the groove, the groove is in a horn-mouth shape relative to an opening in the other side of the liquid output port, and the opening faces the inner side of the liquid adding device main body;

further, the floor washing machine comprises the device for adding liquid as described in any one of the above.

The utility model has the advantages that: the utility model provides a device and floor cleaning machine of interpolation liquid, add the device main part through liquid and can pour into the antiseptic solution or have the liquid of other disinfection effects into the water tank in, when liquid adds and is equipped with control mechanism in the device main part, how much of the volume of the steerable liquid inflow water tank of control mechanism, and remaining liquid also can be stored and add the device main part in order to make things convenient for next time disinfection to use in liquid, liquid flows into the case of intaking like this and can reach the disinfection purpose, thereby reach the production that restraines the peculiar smell, the production of no peculiar smell, user's experience sense has been improved.

Drawings

Fig. 1 is a perspective view 1 of a first embodiment of a liquid adding device of a floor washing machine provided by the present invention;

FIG. 2 is an exploded view of a second embodiment of the fluid adding apparatus of the floor washing machine provided by the present invention;

FIG. 3 is an exploded view of the control mechanism of the liquid addition device of the floor washing machine provided by the present invention;

FIG. 4 is a cross-sectional view of a control mechanism of the fluid addition device of the floor washing machine provided by the present invention;

fig. 5 is a perspective view 2 of a first embodiment of a liquid adding device of a floor washing machine provided by the present invention;

FIG. 6 is an exploded view of a third embodiment of a fluid adding assembly of a floor washing machine provided by the present invention;

fig. 7 is a perspective view of a third embodiment of the liquid adding device of the floor washing machine provided by the present invention;

fig. 8 is a perspective view of a second embodiment of the liquid adding device of the floor washing machine according to the present invention.

1-liquid addition device body; 11-liquid pouring port; 111-a cover; 12-a liquid outlet; 121-spring snap-fit; 13-a control mechanism; 131-a sliding rod; 132-a gasket; 133-a reset mechanism; 134-a liquid outlet mechanism; 135-a seal; 136-a sealing ring; 137-pressing the cap; 138-pressing cap receiving cavity; 14-mounting holes; 15-a first containing cavity; 16-a second containing cavity; 17-shaft cylinder; 18-a carrying handle; 19-a separator; 191-a through hole; 20-grooves; 2-a connector; 21-mounting grooves; and 3, a water tank.

Detailed Description

In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Please refer to fig. 1-8, the utility model provides a device for adding liquid, the device for adding liquid includes that liquid adds device main part 1, be equipped with in the liquid adds device main part 1 and hold the chamber, liquid adds device main part 1, liquid adds and is equipped with control mechanism 13 in the device main part 1, control mechanism 13 mainly can control how much of the volume that liquid got into the water tank, liquid adds device main part 1 and can be the same container of water-jug, can be the same container of drinking the cup, also can be a siphunculus, the bottom all can be equipped with a mouth that link up with the water tank, just can flow into the water tank from the outside liquid of pouring into in the liquid adds device main part 1 like this. The control mechanism may be a plug or a ball or a switch mechanism or the like which controls the amount of liquid flowing from the liquid adding apparatus main body 1 into the water tank.

In this embodiment, the control mechanism 13 includes a pressing mechanism, the pressing mechanism may be a sliding rod 131, a button, or a pressing component, and is mainly a component for pressing, the pressing mechanism is disposed on the liquid adding apparatus main body 1 in a penetrating manner, the pressing mechanism is provided with a liquid outlet mechanism 134 and a reset mechanism 133, the liquid outlet mechanism 134 is disposed at one end and is substantially disposed at the bottom of the liquid adding apparatus main body 1, the liquid outlet mechanism mainly determines whether liquid is in or out, for example, a sealing ring, the sealing ring blocks the liquid, when the pressing mechanism is pressed, the sealing ring is opened, the liquid can flow out, the reset mechanism 133 is mainly used for resetting the pressing mechanism under an external acting force, and the reset mechanism 133 may be a spring, a spring sheet, a sponge, or another elastic component capable of resetting the pressing device.

In this embodiment, a liquid pouring port 11, a liquid output port 12, and a control mechanism 13 need to be provided on the liquid adding device main body 1, the liquid pouring port 11 may be provided at the upper end of the liquid adding device main body 1 or on any side of the liquid adding device main body 1, it should be noted that when being provided on any side of the liquid adding device main body 1, it is not particularly convenient to install other devices on the liquid pouring port 11 to facilitate pouring of liquid, the liquid output port 12 is provided at the bottom of the liquid adding device main body 1, the liquid output port 12 is communicated with the water tank 3 provided on the floor washing machine, so that liquid can flow into the water tank 3 through the liquid output port 12, the control mechanism is squeezed toward the liquid output port under external force, so that the abutting joint between the output port and the control mechanism is separated from each other, the control mechanism 13 can control how much of the liquid in the liquid adding device main body 1 flows into the water tank 3 of the floor washing machine or how much of the liquid flows into other accommodating cavities, because the accommodating cavity of the liquid adding device main body 1 is large, after the liquid is poured into the cavity, the liquid cannot be controlled how much of the liquid flows into the water tank 3, sometimes, and once the liquid adding device main body 1 does not want to control how much of the liquid adding device, and how much of the liquid adding device can control mechanism 13 can control the liquid adding device can be stored in the liquid adding device main body 1, and how much of the liquid adding device.

In this embodiment, the liquid added to the liquid adding apparatus main body 1 may be a sterilizing liquid having a sterilizing effect or other liquid.

In this embodiment, be equipped with mounting hole 14 on the liquid adds device main part 1, mounting hole 14 corresponds the setting on liquid adds device main part 1 with liquid delivery outlet 12, make things convenient for control mechanism's installation like this, control mechanism passes through liquid delivery outlet 12 and mounting hole 14 setting in liquid adds device main part 1, that one end that control mechanism is in the mounting hole is for pressing the end, that one end that control mechanism is in liquid delivery outlet 1 is sealed end, press the end, open sealed end, liquid just can flow from the liquid delivery outlet, mounting hole 14 sets up the same one end at liquid adds device main part 1 with liquid pouring inlet 11, it pours into and presses control mechanism to set up the liquid of being convenient for like this.

In this embodiment, recess 20 opening and liquid delivery outlet 12 all are the horn mouth shape, be equipped with on the slide bar 131 and be close to recess 20 open-ended second sealing member 135, first sealing member 134 is located liquid delivery outlet 12 department, when liquid pours into the liquid and adds the device main part into from the liquid pouring-in mouth in, some liquid stores in the recess, when pressing slide bar 131, first sealing member and liquid delivery outlet separation, the recess opening is lived in the second sealing member seal, only the liquid in the recess flows into in the case 3 of intaking, so liquid ration is exported in the case 3, the recess can be according to how much of the volume of wanting the ration transport liquid sets up the depth and the size of recess. If a larger amount of liquid is to be metered, the grooves are arranged larger, and if a smaller amount is to be metered, the grooves are arranged smaller.

In this embodiment, liquid adds the device main part and still includes connecting piece 2, connecting piece 2 and water tank 3 are integrated into one piece, and the liquid of being convenient for adds the device main part and installs on the scrubber and be connected with water tank 3, 2 are equipped with mounting groove 21 on the connecting piece, and liquid adds device main part 1 and installs in mounting groove 21, and liquid delivery outlet 12 link up with water tank 3, just so conveniently gets to take solitary liquid to add the device main part, and integrated into one piece makes things convenient for firm assembly line preparation.

In the embodiment, a partition plate 19 is arranged in a liquid adding device main body 1, the partition plate 19 is transversely arranged in the liquid adding device main body 1, a cavity of the liquid adding device main body 1 is divided into two containing cavities, the containing cavities comprise a first containing cavity 15 and a second containing cavity 16, a through hole 191 penetrating through the first containing cavity 15 and the second containing cavity 16 is arranged on the partition plate 19, the through hole is mainly used for liquid to flow into the second containing cavity 16 from the first containing cavity 15, a mounting hole 14 corresponding to the through hole 191 is arranged on the first containing cavity 15, a control mechanism 13 is arranged in the first containing cavity 15, a pressing end of the control mechanism 13 extends out of the mounting hole 14, a sealing end of the control mechanism 13 is arranged in the second containing cavity 16 through the through hole 191, and a liquid pouring port 11 and the mounting hole 14 are arranged at the same end of the first containing cavity 15, liquid delivery outlet 12 sets up the bottom that holds chamber 16 at the second, when liquid pours into from the first liquid pouring inlet 11 that holds chamber 15, store in the first chamber 15 that holds, press control mechanism 13 when pressing the end, control mechanism 13 seals the end and opens, liquid flows into the second from the through-hole and holds in the chamber 16, liquid rethread second holds in the liquid delivery outlet 12 inflow water tank 3 of chamber 16, two hold at first more convenient being connected and the dismantlement with water tank 3 in the chamber, one is because control mechanism is a complicated structure, if press the control mechanism of structure, then control mechanism has one end to set up in water tank 3, inconvenient control mechanism takes the dismantlement like this, but if the second holds the chamber and be clear glass's material, also more can audio-visually observe how much liquid has flowed into.

In this embodiment, the pressing mechanism includes a sliding rod 131, the sliding rod 131 is used as an important connecting component of the control mechanism 13, the sliding rod 131 passes through the mounting hole 14 and the liquid outlet 12 and is installed in the liquid adding device main body 1, a gasket 132 close to the mounting hole 14 is arranged at the upper end of the sliding rod 131, the gasket 132 is located in the liquid adding device main body 1, a spring 133 is arranged below the gasket 132, the spring 133 is sleeved on the sliding rod 131, the upper end of the spring 133 is abutted to the gasket, the lower end of the spring is abutted to the inner wall of the bottom of the liquid adding device main body 1, a first sealing element 134 is arranged at the lower end of the sliding rod 131, and the first sealing element 134 seals the liquid outlet 12.

In this embodiment, a shaft tube 17 penetrating through the mounting hole 14 is disposed in the liquid adding device main body 1, an outer wall of the shaft tube 17 is fixedly connected with an inner wall of the liquid adding device main body 1, the sliding rod 131 penetrates through the shaft tube 17, the gasket 132 is located below the shaft tube 17, a sealing ring 136 is disposed on the sliding rod 131 corresponding to the shaft tube 17, the sealing ring 136 can slide up and down in the shaft tube 17, the shaft tube 17 and the sealing ring mainly prevent the liquid from overflowing outwards too much, and also prevent the overflow of the liquid after the liquid adding device main body 1 is detached, and the sealing performance of the liquid adding device main body 1 is also ensured, so that the liquid is stored in the liquid adding device main body 1 and cannot volatilize or deteriorate.

In this embodiment, liquid adds 1 bottom of device main part and is equipped with recess 20, and liquid delivery outlet 12 is located recess 20 bottoms, and the horn mouth shape can be established to recess 20 opening, and in the horn mouth shape is convenient for liquid to enter into the recess, the setting up of recess more made things convenient for the liquid gathering in the recess, opens liquid delivery outlet back, and liquid is more fast to flow out.

In this embodiment, a handle 18 is provided outside the liquid adding device main body 1, and the handle is convenient for taking the liquid adding device main body.

In this embodiment, the liquid outlet 12 is provided with a spring fastener 121 for limiting the spring 133, the spring 133 is sleeved on the spring fastener 121, and the spring is limited so that the spring does not swing left and right and is smoother when the pressure control mechanism is used.

In this embodiment, the end of pressing of slide bar 131 is equipped with presses down cap 137, press down the cap and make things convenient for pressing down of hand more, directly press down slide bar 131 with the hand, the hand can be more painful, unsuitable human body design, design one more be fit for people's action habit according to the cap, but need notice, because when pressing down, press down the cap and probably will enter into liquid and add the device main part cavity, need be equipped with between shaft barrel and the mounting hole and press down cap and hold chamber 138, when slide bar 131, make and press down cap extendible mounting hole and enter into and hold the intracavity according to the cap.

In this embodiment, a sealing cover is disposed on the corresponding liquid pouring port 11, and the sealing cover is used for sealing the liquid pouring port 11 to prevent the liquid from overflowing, and also for a better sealing control mechanism.

In this embodiment, the liquid adding apparatus main body 1 of the first embodiment is a hollow container, the control mechanism 13 is disposed in the liquid adding apparatus main body 1, the liquid adding apparatus main body 1 is provided with the mounting hole 14 and the liquid outlet 12, and the liquid pouring port 11 is further provided, the control mechanism 13 is disposed in the liquid adding apparatus main body 1 and passes through the mounting hole 14 and the liquid outlet 12, the liquid pouring port 11 penetrates through the water tank, one end of the control mechanism 13 is disposed in the water tank, when the control mechanism is pressed, the sealing end is separated from the liquid outlet, and the liquid flows into the water tank.

In this embodiment, the second partition board of the embodiment divides the liquid adding device main body 1 into two cavities, the mounting hole is arranged on the first cavity, the liquid outlet is arranged in the second cavity, the through hole is arranged on the partition board, the control mechanism is arranged on the first cavity and passes through the mounting hole and the through hole, one end of the control mechanism extends out of the mounting hole, one end of the control mechanism extends into the second cavity through the through hole, the control mechanism is pressed, the sealing end is separated from the through hole, the liquid flows into the second cavity, and then flows into the water tank through the liquid outlet.

In the third embodiment, the liquid adding apparatus main body 1 can be mounted on a floor washing machine, and any one of the above structures of the liquid adding apparatus main body 1 can be used for the floor washing machine.

In this embodiment, the control mechanism can be installed according to actual conditions, and the above-mentioned structure of the control mechanism is commonly used in the liquid adding device.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (10)

1. The device for adding the liquid is characterized by comprising a liquid adding device main body (1), wherein a containing cavity is arranged in the liquid adding device main body (1), and a control mechanism (13) used for controlling the liquid to enter a water tank is arranged on the liquid adding device main body (1).

2. The device for adding liquid according to claim 1, wherein the control mechanism (13) comprises a pressing mechanism, the pressing mechanism is penetratingly disposed on the liquid adding device body (1), the pressing mechanism is provided with a liquid outlet mechanism (134) and a reset mechanism (133), the liquid outlet mechanism (134) is disposed at one end of the pressing mechanism and substantially at the bottom of the liquid adding device body (1), and the reset mechanism (133) is used for resetting the pressing mechanism under an external acting force.

3. The device for adding liquid according to claim 2, wherein a mounting hole (14) and a liquid outlet (12) are provided on the liquid adding device body (1), the pressing mechanism is mounted in the liquid adding device body (1) through the mounting hole (14) and the liquid outlet (12), the liquid outlet mechanism (134) is provided at the liquid outlet (12), the reset mechanism (133) abuts against the liquid adding device body (1) and presses the pressing mechanism, the liquid outlet mechanism (134) is separated from the liquid outlet (12), the pressing mechanism is released, and the reset mechanism (133) resets the pressing mechanism.

4. The device for adding liquid according to claim 3, wherein the pressing mechanism includes a sliding rod (131), the sliding rod (131) passes through the installation hole (14) and the liquid outlet (12), a gasket (132) near the installation hole (14) is arranged at the upper end of the sliding rod (131), the gasket (132) is located in the liquid adding device main body (1), a reset mechanism (133) is arranged below the gasket (132), the reset mechanism (133) is sleeved on the sliding rod (131), one end of the reset mechanism (133) abuts against the gasket (132), the other end of the reset mechanism (133) abuts against the inner wall of the bottom of the liquid adding device main body (1), a liquid outlet mechanism (134) is arranged at the lower end of the sliding rod (131), and the liquid outlet mechanism (134) seals the liquid outlet (12).

5. The device for adding liquid according to claim 4, wherein a groove (20) is formed in the bottom of the liquid adding device body (1), the liquid outlet (12) is located at the bottom of the groove (20), the opening of the groove (20) and the liquid outlet (12) are both in a bell mouth shape, the liquid outlet (12) is opened towards the outside of the liquid adding device body (1), the opening is opened towards the inside of the liquid adding device body (1), a sealing element (135) close to the opening of the groove (20) is arranged on the sliding rod (131), when the sliding rod (131) is pressed, the liquid outlet (12) is opened by the liquid outlet mechanism (134), the liquid in the groove (20) flows into the water tank (3), and the sealing element (135) seals the opening of the groove (20).

6. The device for adding liquid according to any one of claims 1 to 3, further comprising a connecting member (2), wherein the connecting member (2) is integrally formed with the water tank (3), a mounting groove (21) is formed on the connecting member (2), and the liquid adding device main body (1) is mounted in the mounting groove (21).

7. The device for adding liquid according to claim 3, wherein a partition plate (19) is arranged in the liquid adding device body (1), the partition plate (19) is transversely arranged to divide the liquid adding device body (1) into two accommodating cavities, each accommodating cavity comprises a first accommodating cavity (15) and a second accommodating cavity (16), a through hole (191) penetrating through the first accommodating cavity (15) and the second accommodating cavity (16) is formed in the partition plate (19), a mounting hole (14) corresponding to the through hole (191) is formed in the first accommodating cavity (15), the control mechanism (13) is mounted in the first accommodating cavity (15), the pressing end of the control mechanism (13) extends out of the mounting hole (14), the sealing end of the control mechanism (13) is placed in the second accommodating cavity (16) through the through hole (191), the liquid outlet (12) is arranged at the bottom of the second accommodating cavity (16), and when the pressing end of the control mechanism (13) is pressed, the sealing end of the control mechanism (13) is separated from the liquid outlet (12), and the liquid outlet flows into the second accommodating cavity (16) from the water tank (3).

8. The device for adding liquid according to claim 4, wherein a shaft cylinder (17) penetrating through the mounting hole (14) is arranged in the liquid adding device main body (1), the outer wall of the shaft cylinder (17) is fixedly connected with the inner wall of the liquid adding device main body (1), the sliding rod (131) penetrates through the shaft cylinder (17), the gasket (132) is located below the shaft cylinder (17), a sealing ring (136) is arranged on the sliding rod (131) corresponding to the shaft cylinder (17), and the sealing ring (136) can slide up and down in the shaft cylinder (17).

9. The device for adding liquid according to claim 5, wherein the bottom of the liquid adding device body (1) is provided with a groove (20), the liquid outlet (12) is positioned at the bottom of the groove (20), and the groove (20) is in a bell mouth shape relative to the opening at the other side of the liquid outlet (12), and the opening faces to the inner side of the liquid adding device body (1).

10. A floor washing machine, characterized in that it comprises a device for adding liquid according to any of claims 7-9.

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