阅读说明：本技术 马桶节水装置 (Water-saving device for toilet ) 是由 于洋 于 2020-03-24 设计创作，主要内容包括：本发明属于节水技术领域,尤其涉及一种马桶节水装置。通常人们洗漱时,洗漱用水被直接排放掉,而马桶冲水也是对水进行一次性使用。虽然目前有一些洗漱水用来冲马桶的方案,但需要在另一位置架设洗漱废水水箱和水管连接,安装不便,甚至需要水泵配合工作而增加了用电设备。为了解决以上问题,本发明提供了不改变原马桶、利用马桶水箱上方空间的收集洗漱水用以冲马桶的一种马桶节水装置。根据本发明的实施例,所述一种马桶节水装置包括：蓄水箱体、下水开关、马桶水箱浮子控制器、洗手盆。所述蓄水箱体四周和底部封闭,上方开放,所述蓄水箱体上设置有溢水管、溢水孔,马桶水箱盖去掉后,所述蓄水箱体紧贴马桶水箱上方安装,不破坏原马桶水箱结构,安装方便,充分对洗漱水进行二次利用来冲洗马桶。(The invention belongs to the technical field of water saving, and particularly relates to a toilet water saving device. Generally, when people wash, washing water is directly discharged, and the water is used for one time when a closestool is flushed. Although some solutions for flushing the toilet with the washing water exist at present, a washing waste water tank and a water pipe are required to be erected at another position, so that the installation is inconvenient, and even a water pump is required to work in a matching manner, so that electric equipment is increased. In order to solve the problems, the invention provides a toilet water-saving device which does not change the original toilet and uses the space above a toilet water tank to collect the washing water for flushing the toilet. According to an embodiment of the present invention, the toilet bowl water saving device includes: a water storage tank body, a water drainage switch, a toilet water tank float controller and a hand basin. The toilet is characterized in that the periphery and the bottom of the water storage tank body are closed, the upper part of the water storage tank body is open, the water storage tank body is provided with an overflow pipe and an overflow hole, and after a toilet water tank cover is removed, the water storage tank body is tightly attached to the upper part of the toilet water tank, so that the original toilet water tank structure is not damaged, the toilet water tank is convenient to install, and the washing water is fully reused to flush the toilet.)

1. Toilet bowl water saving fixtures, its characterized in that includes:

water storage tank body: the periphery and the bottom of the water storage tank body are closed, the upper part of the water storage tank body is open, an overflow pipe and an overflow hole are arranged on the water storage tank body, and the water storage tank body is tightly attached to the upper part of the toilet water tank after the cover of the toilet water tank is removed;

a water drainage switch: the launching switch is arranged on the water storage tank body;

the toilet water tank float controller: the closestool water tank float controller is arranged on the water storage tank body and is connected with the closestool water tank float.

2. The toilet bowl water saving device according to claim 1, wherein:

a water drainage switch mounting hole is formed in the bottom of the water storage tank body;

the launch switch includes:

fitting on the lower water hole: the upper part of the upper fitting of the lower water hole is provided with a top cap, the outer surface of the lower part of the upper fitting of the lower water hole is provided with threads, and the upper part and the lower part of the upper fitting of the lower water hole are integrally provided with round holes penetrating through the upper part and the lower part;

lower water hole lower fittings: the lower part of the lower water hole fitting is provided with a bottom cap, the inner surface of the upper part of the lower water hole fitting is provided with threads, and the lower water hole fitting is integrally provided with a circular hole penetrating through the upper part and the lower part;

the upper fitting of the lower water hole and the lower fitting of the lower water hole are connected through threads, are respectively arranged above and below a mounting hole of a lower water switch of the water storage box body, are matched in pairs and clamped on the mounting hole of the lower water switch, are tightly attached to the surface of the bottom of the water storage box body to prevent water seepage, and are protruded inwards;

a lower water hole ejector rod: the upper part of the lower water hole ejector rod is provided with a water plugging soft tip with a tip part facing upwards, and an outward bulge is arranged below the water plugging soft tip;

a water drainage tank for draining water is arranged between the water drainage hole mandril and the water drainage hole lower fitting;

launching a floater: the launching floater is in a shape of a fastening bowl, the bowl bottom faces upwards and is provided with a launching hole mandril insertion hole, and the bowl opening is open;

the lower part of the lower water hole mandril is inserted into the lower water hole mandril insertion hole of the lower water floater.

3. The toilet bowl water saving device according to claim 2, wherein: the outer surface of the lower part of the lower water hole ejector rod is provided with threads, the inner surface of a lower water hole ejector rod inserting hole of the lower water float is provided with threads, and the two threads are tightly matched.

4. A toilet bowl water saving device according to claim 2 or 3, wherein: the surface of the bottom of the water storage box body facing the upper side is provided with an inclined plane inclined towards the direction of the lower water switch mounting hole, the lower water switch mounting hole is located at the lowest position of the bottom of the water storage box body, the surface of the bottom of the water storage box body facing the upper side is provided with a concave lower water switch mounting plane around the lower water switch mounting hole, and the concave depth is not less than the thickness of an accessory top cap on the lower water hole.

5. The toilet bowl water saving device according to claim 1, wherein: the toilet water tank floating controller installation structure is characterized in that a toilet water tank floating controller installation hole is formed in the bottom of the water storage tank body, and a toilet water tank floating controller installation plane is arranged around the toilet water tank floating controller installation hole and faces upward the bottom of the water storage tank body.

6. A toilet bowl water saving device according to claim 1 or 2 or 3 or 5, wherein:

the toilet tank float controller includes:

a wire pulling floater: the stay wire floater is of a closed structure;

and (3) wire pulling: the pull wire is connected with the pull wire floater and the closestool water tank floater, and the pull wire adopts one of three modes of a pull rope, a zipper and a pull rod;

water-proof soft film: the water-proof soft film is arranged in the mounting hole of the toilet water tank floating controller, the center of the water-proof soft film is tightly combined with the stay wire which penetrates through the mounting hole of the toilet water tank floating controller to prevent water from leaking through the mounting hole of the toilet water tank floating controller, and the surface of the water-proof soft film is loose and does not block the up-and-down movement of the stay wire.

7. The toilet bowl water saving device according to claim 6, wherein: the pull wire floater is provided with a buckle which can be conveniently detached and used for clamping the pull wire.

8. The toilet bowl water saving device according to claim 6, wherein: and a limiting device of the stay wire floater is arranged in the water storage tank body so as to limit the rising highest height of the stay wire floater and fix the horizontal position of the stay wire floater.

9. A toilet bowl water saving device according to claim 1 or 2 or 3 or 5, wherein: and an overflow hole penetrating through the water storage tank body is formed above the overflow pipe, the overflow hole is lower than the edge of the water storage tank body, and an opening below the overflow pipe is arranged to be communicated with the toilet tank.

10. A toilet bowl water saving device according to claim 1 or 2 or 3 or 5, wherein: a hand basin is arranged above the water storage tank body, and is provided with a faucet mounting hole, a hand basin water drainage hole and a hand basin water overflow hole; the water outlet of the hand basin and the water overflow hole of the hand basin are both provided with filter screens.

Technical Field

The invention belongs to the technical field of water saving, and particularly relates to a toilet water saving device.

Background

Water resources are precious, so that water is saved in daily life of people, and one saving method is waste water recycling. Generally, when people wash, washing water is directly discharged, and the water is used for one time when a closestool is flushed. Although some solutions for flushing the toilet by using wash water exist at present, a wash wastewater water tank needs to be erected at another position, and then the wash wastewater water tank is connected with the toilet water tank through a water pipe.

Therefore, there is a need for a toilet water saving device that can flush a toilet with wash water without the above problems.

The invention content is as follows:

in order to solve the problems, the invention provides a toilet water-saving device which does not change the original toilet and uses the space above a toilet water tank to collect the washing water for flushing the toilet.

According to an embodiment of the present invention, the toilet bowl water saving device includes: water storage tank, water discharge switch, closestool water tank float controller.

The periphery and the bottom of the water storage tank body are closed, the upper part of the water storage tank body is open, an overflow pipe and an overflow hole are arranged on the water storage tank body, and the water storage tank body is tightly attached to the upper part of the toilet water tank after the cover of the toilet water tank is removed;

the launching switch is arranged on the water storage tank body;

the closestool water tank float controller is arranged on the water storage tank body and is connected with the closestool water tank float.

Further, according to some embodiments of the present invention, a drain switch mounting hole is provided at the bottom of the water storage tank body;

the launch switch includes: the water outlet upper fitting, the water outlet lower fitting, the water outlet ejector rod and the water outlet floater.

The upper part of the upper fitting of the lower water hole is provided with a top cap, the outer surface of the lower part of the upper fitting of the lower water hole is provided with threads, and the upper part and the lower part of the upper fitting of the lower water hole are integrally provided with lower water holes which penetrate through the upper part and the lower part;

the lower part of the lower water hole fitting is provided with a bottom cap, the inner surface of the upper part of the lower water hole fitting is provided with threads, and the lower water hole penetrating through the upper part and the lower part is integrally arranged;

the upper fitting of the lower water hole and the lower fitting of the lower water hole are connected through threads, are respectively arranged above and below a mounting hole of a lower water switch of the water storage box body, are matched in pairs and clamped on the mounting hole of the lower water switch in a clamping manner, are tightly attached to the surface of the bottom of the water storage box body to prevent water seepage, and are protruded inwards;

the upper part of the lower water hole ejector rod is provided with a water plugging soft tip with a tip part facing upwards, and an outward bulge is arranged below the water plugging soft tip;

the launching floater is in a shape of a fastening bowl, the bowl bottom faces upwards and is provided with a launching hole mandril insertion hole, and the bowl opening is open;

the lower part of the lower water hole mandril is inserted into the lower water hole mandril insertion hole of the lower water floater.

When the water level of the toilet water tank is low, the outward bulge below the water plugging soft tip of the water outlet ejector rod blocks the inward bulge at the lower part of the lower water outlet lower fitting, so that the lower water float can not be separated from the lower water outlet lower fitting.

Further, according to some embodiments of the present invention, the lower water hole push rod is provided at a lower outer surface thereof with a screw thread, and the lower water hole push rod insertion hole of the lower float is provided at an inner surface thereof with a screw thread. The two threads are tightly engaged.

The lower part of the lower water hole mandril is inserted into the lower water hole mandril insertion hole of the lower water float, and the lower water hole mandril insertion hole is screwed in a tight spiral mode. So as to adjust the height of the water-blocking soft tip during insertion to adapt to the full water level height of the toilet water tank.

Further, according to some embodiments of the present invention, an upward surface of the bottom of the water storage tank body is provided with an inclined surface inclined toward the lower water switch mounting hole, the lower water switch mounting hole is located at the lowest position of the bottom of the water storage tank body, a downward lower water switch mounting plane is arranged on the upward surface of the bottom of the water storage tank body around the lower water switch mounting hole, and the downward depth is not less than the thickness of the top cap of the fitting on the lower water hole.

After the fittings on the lower water hole are installed, the fittings on the lower water hole are not higher than the bottom surface of the water storage tank body around the fittings.

Further, according to some embodiments of the present invention, the bottom of the water storage tank body is provided with a toilet tank float controller mounting hole, and the upward surface of the bottom of the water storage tank body is provided with a toilet tank float controller mounting plane around the toilet tank float controller mounting hole.

Preferably, according to some embodiments of the invention, the toilet tank float controller comprises: a stay wire floater, a stay wire and a water-proof soft film.

The stay wire floater is of a closed structure;

the pull wire is connected with the pull wire floater and the closestool water tank floater, and the pull wire adopts one of three modes of a pull rope, a zipper and a pull rod.

The installation hole of the toilet water tank floating controller is provided with a water-proof soft film, and the center of the water-proof soft film is tightly combined with the stay wire which penetrates through the center of the water-proof soft film so as to prevent water from leaking through the installation hole of the toilet water tank floating controller. The water-proof soft film is set to be loose in surface and does not block the up-and-down movement of the stay wire.

Further, according to some embodiments of the invention, the pull-cord float is provided with a snap for catching the pull-cord, which is easily detachable. So as to adjust the length of the pull wire to adapt to the height of the floater of the toilet water tank when the water filling hole of the toilet water tank is controlled to be closed.

Further, according to some embodiments of the present invention, a stopper of the float is provided in the reservoir tank to limit a maximum height of the float and fix a horizontal position thereof.

Further, according to some embodiments of the present invention, an overflow hole penetrating through the water storage tank is provided above the overflow pipe, the overflow hole being lower than an edge of the water storage tank, and a lower opening of the overflow pipe is provided to open to the toilet tank. So that water cannot overflow from the edge of the water storage tank body, and the water entering the overflow hole flows into the toilet tank through the overflow pipe.

Further, according to some embodiments of the present invention, a hand basin is installed above the water storage tank body, and the hand basin is provided with a faucet installation hole, a hand basin water drainage hole and a hand basin water overflow hole; the water outlet of the hand basin and the water overflow hole of the hand basin are both provided with filter screens so as to filter out larger impurities and prevent the impurities from flowing into the water storage tank body and further entering the water tank of the closestool and blocking the flushing hole of the closestool when the closestool is flushed.

Drawings

FIG. 1 is a schematic perspective view of a toilet water saving device according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a water storage tank according to an embodiment of the water saving device of the toilet of the present invention;

FIG. 3 is an exploded perspective view of a water outlet switch of an embodiment of the water saving device of a toilet of the present invention;

FIG. 4 is a longitudinal center cut-away view of a fitting on the lower water hole of the toilet water saving device according to an embodiment of the present invention;

FIG. 5 is a longitudinal center cut-away view of a lower fitting of a lower outlet of a toilet water saving device according to an embodiment of the present invention;

FIG. 6 is a schematic perspective view of a float controller of a toilet tank according to an embodiment of the water saving device of the present invention;

FIG. 7 is an exploded view of the float control of the toilet tank of an embodiment of the toilet water saving device of the present invention;

FIG. 8 is a schematic view of an embodiment of the water saving device of a toilet of the present invention with a flush button on the side of the toilet tank;

FIG. 9 is a schematic view of an embodiment of the water saving device of a toilet of the present invention with a flush button on the top of the toilet tank;

FIG. 10 is a cut-away view of the reservoir body of FIG. 9 in section AA';

reference numerals:

10. a water storage tank body; 101. a toilet water tank float controller mounting plane; 102. a lower water switch mounting plane;

20. a hand basin; 21. a faucet mounting hole; 22. a washbasin overflow hole; 23. a water outlet hole of the hand basin; 24. a filter screen of a water outlet of the hand basin;

11. an overflow pipe; 111. an overflow hole;

12. a launching switch mounting hole;

13. a toilet tank float controller mounting hole;

14. a water drainage switch;

141. a water outlet hole upper fitting; 1411. the upper part of the lower water hole is provided with a top cap; 1412. the lower water hole is arranged on the upper part of the accessory; 1413. the upper part of the lower water hole is externally threaded;

142. a lower water hole lower fitting; 1421. a bottom cap of the accessory below the water drainage hole; 1422. the lower part of the water outlet is internally threaded; 1423. the lower part of the drain hole is protruded inwards; 1424. a water outlet hole and a water outlet groove;

143. a launching float; 1431. a mandril of the lower water hole is inserted into the hole;

144. a lower water hole ejector rod; 1441. water plugging soft tip; 1442. the ejector rod protrudes outwards; 1443. the mandril is threaded;

15. a toilet tank float controller; 151. a pull-wire float; 152. a pull wire; 153. a water-blocking soft film; 154; a limiting device; 155. buckling;

30. a toilet tank; 31. a toilet tank float; 32. a toilet flush button.

The specific implementation mode is as follows:

in order to make the objects, technical solutions and advantages of the present invention more apparent or obvious, the present invention is described in further detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 10, a toilet water saving device according to an embodiment of the present invention includes: a water storage tank body 10, a water drainage switch 14 and a toilet water tank float controller 15;

specifically, as shown in fig. 2, the water storage tank 10 is a tank with an open upper part, a closed periphery and a closed bottom, and is provided with an overflow pipe 11, a sewer switch mounting hole 12 and a toilet tank float controller mounting hole 13, the overflow pipe 11 may be integrated with the water storage tank 10 or may be separately mounted,

referring to fig. 1, a lower water switch 14 is installed on a lower water switch installation hole 12 of a water storage tank body 10 to control water inside the water storage tank body 10 to flow out and stop;

the toilet tank float controller 15 is installed on the toilet tank float controller installation hole 13 of the water storage tank body 10.

Further, referring to fig. 3, 4 and 5, the lower water switch 14 of some embodiments of the present invention includes: a lower water hole upper fitting 141, a lower water hole lower fitting 142, a lower water float 143, a lower water hole push rod 144;

in some embodiments, referring to fig. 4, the upper part of the lower water hole upper fitting 141 is a lower water hole upper fitting top cap 1411, the lower outer surface is provided with a lower water hole upper fitting external thread 1413, and the whole is provided with a lower water hole upper fitting lower water hole 1412 penetrating through the upper and lower parts for running water. Referring to fig. 5, the lower part of the lower fitting 142 of the drain hole is a bottom cap 1421 of the lower fitting of the drain hole, the inner surface of the upper part is provided with an internal thread 1422 of the lower fitting of the drain hole, the whole is provided with a drain hole penetrating through the upper and lower parts for flowing water, the inner wall of the drain hole is provided with a drain groove 1424 of the lower fitting of the drain hole, and the lower part of the lower fitting 142 of the drain hole is provided with an inward protrusion 1423 of the lower fitting of the drain hole;

the middle parts of the lower water hole upper part 141 and the lower water hole lower part 142 are connected through a lower water hole upper part external thread 1413 and a lower water hole lower part internal thread 1422, and are respectively installed above and below a lower water switch installation hole 12 of the water storage tank body 10, and are clamped and installed on the lower water switch installation hole 12 through a lower water hole upper part top cap 1411 and a lower water hole lower part bottom cap 1421 in a paired matching manner, the lower water hole upper part top cap 1411 and the lower water hole lower part bottom cap 1421 are tightly attached to the bottom surface of the water storage tank body 10, and water seepage in gaps among the lower water hole upper part 141, the lower water hole lower part 142 and the water storage tank body 10 is prevented;

the upper part of the lower water hole ejector rod 144 is provided with a water plugging soft tip 1441 with the tip part facing upwards, an outward projection 1442 of the ejector rod is arranged below the water plugging soft tip 1441, and an ejector rod thread 1443 is arranged at the lower part;

in installation, the outward protrusion 1442 of the push rod is located between the upper fitting 141 and the lower fitting 142 of the lower water hole, and referring to fig. 8 and 9, when the toilet tank 30 is at full water level, the lower float 143 is lifted by the buoyancy of water, and the soft water blocking tip 1441 blocks the lower water hole 1412 of the upper fitting of the lower water hole, so that water in the water storage tank 10 cannot flow down. When the water level of the toilet tank 30 is lower than the full water level, the soft water blocking tip 1441 opens the lower water hole 1412 of the lower water hole upper fitting so that the water in the water storage tank 10 can flow down, and meanwhile, the outward protrusion 1442 of the upper support rod of the lower water hole support rod 144 clamps the inward protrusion 1423 of the lower water hole lower fitting so that the lower water hole support rod 144 cannot be separated from the lower water hole lower fitting 142.

To prevent the outward projection 1442 of the stem from blocking the descending water flow, the underdrain fitting is provided with a sink 1424 in some embodiments.

The launching floater 143 is in a shape of a snap bowl, the bottom of the bowl faces upwards and is provided with a launching hole mandril insertion hole 1431, and the bowl opening is open;

the lower portion of the lower water hole push rod 144 is inserted into the lower water hole push rod insertion hole 1431 of the lower water float 143.

Further, in some embodiments of the present invention, the lower outer surface of the lower water hole push rod 144 is provided with a push rod thread 1443, and the inner surface of the lower water hole push rod insertion hole 1431 of the lower water float 143 is provided with a thread, and the two threads are tightly engaged. When the lower water hole mandril 144 is rotatably inserted into the lower water hole mandril insertion hole 1431, the insertion depth is controlled by adjusting the rotation amount so as to adjust the height of the water plugging soft tip 1441 and adapt to the full water level height of the toilet water tank 30.

Further, referring to fig. 2, in some embodiments of the present invention, an upward surface of the bottom of the water storage tank 10 is provided with a slope inclined toward the lower water switch mounting hole 12, the lower water switch mounting hole 12 is located at the lowest position of the bottom of the water storage tank 10, and the upward surface of the bottom of the water storage tank 10 is provided with a lower water switch mounting plane 102 recessed around the lower water switch mounting hole 12, and the depth of the recess is not less than the thickness of the top cap 1411 of the upper fitting of the lower water hole, so that all water in the water storage tank 10 can flow into the toilet tank 30 through the lower water hole 1412 of the upper fitting of the lower water hole.

Further, in some embodiments of the present invention, a toilet tank float controller installation plane 101 is provided around the toilet tank float controller installation hole 13 on an upward facing surface of the bottom of the reservoir body 10. For convenient installation of the toilet tank float controller 15 and to ensure that the pull-cord float 151 is in a vertical up-and-down motion state when in operation.

Further, referring to fig. 6 and 7, in some embodiments of the present invention, the toilet tank float controller 15 includes: a stay wire floater 151, a stay wire 152 and a water-proof soft film 153;

more specifically, the float 151 is a closed structure, and during use, the float 151 may be submerged or partially or entirely exposed to the water.

The pull wire 152 connects the pull wire float 151 and the toilet tank float 31, and the pull wire 152 adopts one of three modes of a pull rope, a zipper and a pull rod.

The toilet tank float controller mounting hole 13 of the water storage tank body 10 is provided with a water-stop soft film 153, and the center of the water-stop soft film 153 is tightly combined with the pull line 152 which passes through, so as to prevent water leakage through the toilet tank float controller mounting hole 13. The water-blocking soft film 153 is provided with a loose surface so as not to hinder the up-and-down movement of the stay wire 152.

Further, in some embodiments of the invention, the pull-cord float 151 is provided with a snap 155 that is easily removable to retain the pull-cord 152.

The position of the adjusting buckle 155 on the pull wire 152 ensures that the toilet tank float 31 can be pulled to a position for closing the water filling outside the toilet tank 30 when a small amount of water is in the water tank 10 to lift the pull wire float 151.

Further, in some embodiments of the present invention, a stopper 154 of the pull-cord float 151 is provided in the reservoir body 10 to limit the maximum height of the pull-cord float 151 to rise and fix the horizontal position thereof.

The limiting device 154 limits the pull-cord float 151 to move vertically and slightly during operation, and when the water in the water storage tank 10 is much, the limiting device 154 limits the rising height of the pull-cord float 151, so that the toilet tank float 31 is prevented from being damaged due to overlarge pulling force on the toilet tank float 31.

Further, referring to fig. 2, in some embodiments of the present invention, an overflow hole 111 penetrating the wall of the reservoir 10 is provided above the overflow pipe 11, the overflow hole 111 being lower than the rim of the reservoir 10, and a lower opening of the overflow pipe 11 is provided to open to the toilet tank 30.

When excessive water is added to the reservoir body 10, the water higher than the overflow hole 111 flows into the overflow pipe 11 through the overflow hole 111 and further flows into the toilet tank 30.

Further, referring to fig. 1, in some embodiments of the present invention, a hand basin 20 is installed above the water storage tank 10, and the hand basin 20 is provided with a faucet installation hole 21, a hand basin overflow hole 22, and a hand basin drain hole 23; the overflow hole 22 of the hand basin is provided with a filter screen, and the drain hole 23 of the hand basin is provided with a drain hole filter screen 24 of the hand basin.

The two filter screens are used for filtering out larger sundries so as to prevent the sundries from flowing into the water storage tank body and further entering the toilet water tank and further blocking the toilet flushing hole when the toilet flushes water.

Referring to fig. 8, in some embodiments where the toilet flush button 32 is on the side, the toilet water saving device of the present invention is used to replace the original toilet tank cover, and the original toilet flush button 32 is still used.

Referring to fig. 9 and 10, in some embodiments where the toilet flush button 32 is located above the toilet tank 30, the toilet water saving device of the present invention is used to replace the original toilet tank cover, and the toilet flush button 32 is provided on the reservoir body 10.

It is to be understood that:

in the description of the present invention, the term "upper" is to be understood in a broad sense, not narrowly referring to orientation, and possibly to an installed relationship, where one fitting is installed in connection with another fitting.

When the invention is used, the installation direction needs to be noticed during installation, the opening of the water storage tank body is upward, and the bottom of the water storage tank body is downward. It is to be understood that the vertical orientation in the description of the various components of the invention and in the drawings is consistent with the vertical orientation in use, and the terms "upper", "lower", "above", "below" and "intermediate" are to be construed broadly, as an "upper" may be a position above a structure or a position above the entire component, a "lower" may be a position below the exterior of the component or below the structure being described, and an "intermediate" does not necessarily refer to the central position.

In the present invention, unless otherwise specifically stated and defined, the term "tight" is to be understood in a broad sense, e.g. as being seamless, clamped, or impermeable to water and gas; the term "connected" is to be understood broadly, for example, as being fixedly connected, detachably connected, or integrated; the term "insert" is to be understood in a broad sense, and does not mean to insert vertically, for example, it may be screwed, stuck, or snapped in.

The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it is to be understood that the embodiments described above are merely preferred embodiments of the present invention, and are not intended to limit the present invention, nor is it limited to the applications listed in the specification and the embodiments, which are fully applicable to various fields suitable for the present invention, and that various other modifications may be easily made by those skilled in the art, and therefore, any modifications, equivalents and improvements made within the spirit and principle of the present invention, variations in functional arrangements and combinations, etc., should be included within the scope of the present invention.