CN218186704U - Seal cover assembly, water tank and base station - Google Patents

Abstract

The utility model discloses a sealed lid subassembly, water tank and basic station, sealed lid subassembly be used for linking to each other with the casing of water tank and including sealed lid, first buckle and driving piece, first buckle links to each other with sealed lid is movably, at least part of first buckle can protrusion in the surface of sealed lid and with the casing joint, the driving piece links to each other with sealed lid is movably, driving piece and the cooperation of first buckle to be convenient for the surface of sealed lid is close to and/or keeps away from to the free end of at least part of first buckle. The utility model provides a gland bonnet subassembly has dismantlement and/or simple to operate's advantage.

Description

Seal cover assembly, water tank and base station

Technical Field

The utility model relates to a cleaning equipment technical field, concretely relates to sealed lid subassembly, water tank and basic station.

Background

The robot basic station of sweeping the floor among the correlation technique provides functions such as charging, washing and moisturizing for the robot of sweeping the floor, so the basic station generally has clear water tank and sewage case, and sealed lid generally realizes the sealed of clear water tank and sewage case through the mode that the screw was screwed, and sealed lid has the inconvenient defect of dismouting this moment.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent.

To this end, embodiments of the present invention provide a sealing cover assembly, which has the advantage of being easy to detach and/or install.

The embodiment of the utility model provides a water tank is still provided.

The embodiment of the utility model provides a basic station is proposed again.

The sealing cover assembly is used for being connected with a shell of a water tank and comprises a sealing cover, a first buckle and a driving piece, wherein the first buckle is movably connected with the sealing cover, and at least part of the first buckle can protrude out of the outer surface of the sealing cover and is clamped with the shell; the driving part is movably connected with the sealing cover, and the driving part is matched with the first buckle so that the free end of the part of the first buckle is close to and/or far away from the outer surface of the sealing cover.

According to the utility model discloses sealed lid subassembly through the sealed lid of driving piece relative removal, but at least part protrusion of first buckle in the surface of sealed lid and with the casing joint, realize the fixed of sealed lid subassembly on the casing from this. And/or, along with the driving piece moves in the opposite direction relative to the sealing cover, the part protruding out of the outer surface of the sealing cover can be hidden in the shell, so that the clamping connection between the first buckle and the shell is released, and the disassembly of the sealing cover assembly is realized. The sealing cover assembly is connected with the shell in a clamping mode, and the sealing cover assembly is convenient to detach and/or install.

In some embodiments, the inner peripheral surface of the housing is provided with a first locking hole, the outer peripheral surface of the sealing cover is provided with a first sliding hole, the first buckle includes a first sliding portion and a first clamping portion which are connected, the first sliding portion is slidably fitted in the first sliding hole, and the first clamping portion can protrude from the outer peripheral surface of the sealing cover and be fitted in the first locking hole.

In some embodiments, the upper surface of the sealing cover is provided with a second sliding hole, the second sliding hole is communicated with the first sliding hole, the driving member is slidably fitted in the second sliding hole, at least one of the driving member and the first sliding portion is provided with a first guide inclined surface, and the driving member and the first sliding portion are slidably connected through the first guide inclined surface.

In some embodiments, the sealing cover assembly further includes a first elastic member connecting the sealing cover and the first sliding portion, and the first elastic member often protrudes the first clamping portion from an outer circumferential surface of the sealing cover.

In some embodiments, the lower surface of the first clamping portion is provided with a second guiding inclined surface for sliding fit with the shell.

In some embodiments, the seal cap assembly further comprises a second resilient member connecting the seal cap and the driver, the second resilient member normally projecting at least part of the driver above an upper surface of the seal cap.

In some embodiments, the sealing cover assembly further comprises a buckle, the buckle comprises a buckle part, a pivoting part and a pressing part which are connected, the pivoting part is pivotally connected with the sealing cover, and the pressing part is abutted with the upper end face of the driving part.

In some embodiments, the upper surface of the sealing cover has a catch groove opposite the catch portion.

In some embodiments, the inner circumferential surface of the housing is provided with a second locking hole, the seal cover assembly further includes a second buckle, the second buckle includes a second sliding portion and a second locking portion connected to each other, the outer circumferential surface of the seal cover is provided with a third sliding hole, the second sliding portion is slidably fitted in the third sliding hole, and the second locking portion can protrude from the outer circumferential surface of the seal cover and be fitted in the second locking hole.

In some embodiments, the upper surface and the lower surface of the second clamping portion are respectively provided with a third guiding inclined surface and a fourth guiding inclined surface for sliding fit with the shell.

In some embodiments, the sealing cover assembly further includes a third elastic member, the third elastic member connects the sealing cover and the second sliding portion, and the third elastic member often protrudes the second fastening portion from the outer peripheral surface of the sealing cover.

In some embodiments, the sealing cover includes a cover body and a pressing plate, the pressing plate is connected to a lower end of the cover body, and the cover body and the pressing plate form the first sliding hole and the third sliding hole therebetween.

In some embodiments, the sealing cover comprises at least one blocking sleeve for matching with the opening on the shell, the outer peripheral surface of the blocking sleeve is provided with a first annular groove, the bottom surface of the first annular groove is provided with a limiting hole, the sealing cover assembly further comprises a sealing ring, the sealing ring comprises a body and a limiting part arranged on the inner peripheral surface of the body, the body is matched in the first annular groove, and the limiting part penetrates through the limiting hole and abuts against the inner peripheral surface of the blocking sleeve.

In some embodiments, the sealing ring further includes a deformation portion disposed on the outer peripheral surface of the body, the deformation portion surrounds the body, and a second annular groove with an upward opening is formed between the deformation portion and the body.

According to the utility model discloses water tank includes sealed lid subassembly as any one embodiment described above.

According to the utility model discloses the technical advantage of the water tank is the same with the technical advantage of the sealed lid subassembly of above-mentioned embodiment, and it is no longer repeated here.

According to the utility model discloses basic station includes the water tank as described above embodiment.

According to the utility model discloses the technical advantage of basic station is the same with the technical advantage of the water tank of above-mentioned embodiment, and it is no longer repeated here.

Drawings

Fig. 1 is a schematic view of a gland assembly and a housing according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of a seal cap assembly and a housing according to an embodiment of the present invention.

Fig. 3 is a schematic view of a seal cover assembly according to an embodiment of the present invention, wherein the cover is hidden.

Fig. 4 is another schematic view of a seal cap assembly according to an embodiment of the present invention, wherein the seal ring is hidden.

Fig. 5 is a schematic view of a seal ring in a seal cover assembly according to an embodiment of the present invention.

Reference numerals:

100. sealing the cap assembly; 200. a housing; 1. a sealing cover; 11. a cover body; 12. pressing a plate; 13. a handle buckling groove; 14. a first annular groove; 15. a limiting hole; 2. a first buckle; 21. a first sliding section; 211. a first guide slope; 22. a first clamping part; 221. a second guide slope; 3. a drive member; 4. a first elastic member; 5. a second elastic member; 6. a second buckle; 61. a second sliding section; 62. a second clamping part; 621. a third guide slope; 622. a fourth guide slope; 7. a third elastic member; 8. buckling a handle; 81. a handle part is buckled; 82. a pivot portion; 83. a pressing part; 9. a seal ring; 91. a body; 92. a limiting part; 93. a deformation section; 94. a second annular groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

A seal cap assembly 100 according to an embodiment of the present invention will be described with reference to fig. 1 to 5.

According to the utility model discloses sealed lid subassembly 100 is used for linking to each other with the casing 200 of water tank, and sealed lid subassembly 100 includes sealed lid 1, first buckle 2 and driving piece 3. The first buckle 2 is movably connected with the sealing cover 1, and at least part of the first buckle 2 can protrude out of the outer surface of the sealing cover 1 and is clamped with the shell 200. The driving member 3 is movably connected with the sealing cover 1, and the driving member 3 is matched with the first buckle 2 so that at least part of the free end of the first buckle 2 is close to and/or far away from the outer surface of the sealing cover 1. That is, the portion of the first latch 2 protruding from the outer surface of the sealing cover 1 may be hidden in the sealing cover 1.

According to the utility model discloses sealed lid subassembly 100, through the relative sealed lid 1 removal of driving piece 3, at least part of first buckle 2 can bulge in the surface of sealed lid 1 and with casing 200 joint, realize the fixed of sealed lid subassembly 100 on casing 200 from this. And/or, as the driving member 3 moves in the opposite direction relative to the sealing cover 1, the part protruding from the outer surface of the sealing cover 1 can be hidden in the housing 200, so that the first buckle 2 is released from being clamped with the housing 200, and the sealing cover assembly 100 is detached. That is, the sealing cap assembly 100 is connected to the housing 200 by means of a snap-fit connection, and the sealing cap assembly 100 is easily disassembled and/or assembled.

In some embodiments, as shown in fig. 2 and 3, the inner circumferential surface of the housing 200 is provided with a first locking hole, the outer circumferential surface of the sealing cover 1 is provided with a first sliding hole, the first buckle 2 includes a first sliding portion 21 and a first clamping portion 22 connected to each other, the first sliding portion 21 is slidably fitted in the first sliding hole, and the first clamping portion 22 can protrude from the outer circumferential surface of the sealing cover 1 and be fitted in the first locking hole. That is, the sliding direction of the first buckle 2 and the sliding direction of the sealing cover 1 relative to the housing 200 form an angle, and when the first clamping portion 22 of the first buckle 2 is matched in the first clamping hole, the relative fixation of the sealing cover 1 and the housing 200 can be realized.

Specifically, as shown in fig. 2 and 3, at least a portion of the sealing cover 1 is fitted into the upper end opening of the housing 200 from top to bottom, and the sliding direction of the first clip 2 is a horizontal direction, that is, the sliding direction of the first clip 2 is perpendicular to the sliding direction of the sealing cover 1 relative to the housing 200, so that after the first clip portion 22 is fitted into the first clip hole, the connection stability between the sealing cover assembly 100 and the housing 200 is higher.

In some embodiments, as shown in fig. 2, the upper surface of the sealing cover 1 is provided with a second sliding hole, the second sliding hole is communicated with the first sliding hole, the driving member 3 is slidably fitted in the second sliding hole, at least one of the driving member 3 and the first sliding portion 21 is provided with a first guide slope 211, and the driving member 3 and the first sliding portion 21 are slidably connected by the first guide slope 211. From this, under the direction of first direction inclined plane 211, the vertical slip of driving piece 3 can drive first buckle 2 and slide at the horizontal direction, and then realizes the joint of sealed lid subassembly 100 and casing 200, or removes the joint of sealed lid subassembly 100 and casing 200.

Specifically, as shown in fig. 3, the first sliding portion 21 has a prepared hole in which at least a part of the driving member 3 is fitted. The first sliding part 21 and the driving part 3 are both provided with a first guiding inclined surface 211, and the first guiding inclined surface 211 on the first sliding part 21 is coplanar with the first guiding inclined surface 211 on the driving part 3. When the driving member 3 slides downwards relative to the second sliding hole, the first sliding portion 21 can be driven to horizontally slide through the relative sliding of the two first guiding inclined planes 211, so that the first clamping portion 22 retracts into the first sliding hole, and the sealing cover assembly 100 is unlocked. Namely, the unlocking of the sealing cover assembly 100 is achieved by pressing the driving member 3 downward, and the unlocking of the sealing cover assembly 100 is facilitated.

In some embodiments, as shown in fig. 2 and 3, the sealing cap assembly 100 further includes a first elastic member 4, the first elastic member 4 connects the sealing cap 1 and the first sliding portion 21, and the first elastic member 4 always protrudes the first clamping portion 22 from the outer circumferential surface of the sealing cap 1.

From this, first elastic component 4 effectively avoids first joint portion 22 mistake to break away from first calorie of hole, effectively prevents that sealed lid subassembly 100 from receiving the water hammer effect of casing 200 interior pipeline and leading to first joint portion 22 pine to take off, has guaranteed the stability of being connected between sealed lid subassembly 100 and the casing 200.

Specifically, the first elastic member 4 is a spring, an axial direction of the spring is the same as an axial direction of the first slide hole, and the spring is located in the first slide hole and interposed between the first slide portion 21 and a bottom surface of the first slide hole.

In some embodiments, as shown in fig. 3, the lower surface of the first clamping portion 22 is provided with a second guiding inclined surface 221 for sliding fit with the housing 200.

When the sealing cover 1 moves downwards to be matched with the housing 200, the second guide inclined surface 221 is in sliding fit with the housing 200, so that the first sliding portion 21 slides towards the first sliding hole relative to the first sliding hole, and further the first clamping portion 22 retracts into the first sliding hole, and the first clamping portion 22 is prevented from influencing the matching of the sealing cover 1 in the housing 200. Moreover, when the sealing cover 1 is fitted in a set position in the housing 200, the first engaging portion 22 protrudes out of the outer peripheral surface of the sealing cover 1 under the action of the first elastic member 4 and is fitted in the first engaging hole, so that the sealing cover assembly 100 is engaged with the housing 200, and the sealing cover assembly 100 is convenient to install.

In some embodiments, as shown in fig. 2, the sealing cover assembly 100 further includes a second elastic member 5, the second elastic member 5 connects the sealing cover 1 and the driving member 3, and the second elastic member 5 usually protrudes at least a portion of the driving member 3 above the upper surface of the sealing cover 1.

Therefore, the driving part 3 is effectively prevented from interfering the sliding of the first sliding part 21 in the first sliding hole, and the first clamping part 22 is ensured to be smoothly separated from the first sliding hole and matched in the first clamping hole.

In some embodiments, as shown in fig. 1 and 2, the sealing cover assembly 100 further comprises a buckle 8, the buckle 8 comprises a buckle part 81, a pivot part 82 and a pressing part 83 which are connected, the pivot part 82 is pivotally connected with the sealing cover 1, and the pressing part 83 is abutted with the upper end face of the driving part 3. When the handle part 81 is pulled upwards, the pressing part 83 moves downwards to press the driving part 3 to slide downwards relative to the sealing cover 1, and then the first clamping part 22 is retracted into the first sliding hole, so that the sealing cover assembly 100 is unlocked, and the sealing cover assembly 100 is unlocked more conveniently.

Specifically, as shown in fig. 1 and 2, when the gripping portion 81 is not subjected to an external force, the upper surfaces of the gripping portion 81, the pivoting portion 82, and the pressing portion 83 are coplanar with the upper surface of the sealing cover 1, whereby the sealing cover assembly 100 is compact in structure and high in aesthetic appearance.

In some embodiments, as shown in fig. 1 and 2, the upper surface of the sealing cover 1 has a catching groove 13 opposite to the catching part 81. Thereby facilitating finger-lifting of the lower surface of the gripping portion 81 to effect pivoting of the gripping portion 8 relative to the sealing closure 1.

In some embodiments, the inner circumferential surface of the housing 200 is provided with a second fastening hole, the sealing cover assembly 100 further includes a second fastener 6, the second fastener 6 includes a second sliding portion 61 and a second fastening portion 62 which are connected, the outer circumferential surface of the sealing cover 1 is provided with a third sliding hole, the second sliding portion 61 is slidably fitted in the third sliding hole, and the second fastening portion 62 can protrude from the outer circumferential surface of the sealing cover 1 and be fitted in the second fastening hole.

While the first catching portion 22 is fitted in the first catching hole, the second catching portion 62 is also fitted in the second catching hole, whereby the coupling strength between the sealing cover assembly 100 and the housing 200 is higher.

Specifically, as shown in fig. 2, a first slide hole and a second slide hole are provided on opposite side surfaces of the seal cover 1.

In some embodiments, as shown in fig. 3, the upper surface and the lower surface of the second clamping portion 62 are respectively provided with a third guiding inclined surface 621 and a fourth guiding inclined surface 622 for sliding fit with the housing 200.

When the sealing cover 1 moves downward to fit in the housing 200, the fourth guiding inclined surface 622 and the housing 200 slide fit together, so that the second sliding portion 61 slides in the second sliding hole relative to the second sliding hole, and the second clamping portion 62 retracts into the second sliding hole, thereby preventing the second clamping portion 62 from affecting the fit of the sealing cover 1 in the housing 200. Moreover, when the sealing cover 1 is fitted in a set position in the housing 200, the second engaging portion 62 protrudes out of the outer peripheral surface of the sealing cover 1 under the action of the second elastic member 5 and is fitted in the second engaging hole, so that the sealing cover assembly 100 is engaged with the housing 200, and the sealing cover assembly 100 is convenient to install.

When the driving member 3 is pressed by the handle 81 to retract the first engaging portion 22 into the first sliding portion, the third guiding inclined surface 621 and the housing 200 slide relative to each other by the upward pulling force of the handle 81, so that the second engaging portion 62 retracts into the second sliding hole, thereby unlocking the sealing cover assembly 100.

In some embodiments, as shown in fig. 2 and 3, the seal cover assembly 100 further includes a third elastic member 7, the third elastic member 7 connects the seal cover 1 and the second sliding portion 61, and the third elastic member 7 always protrudes the second clamping portion 62 from the outer circumferential surface of the seal cover 1.

From this, third elastic component 7 effectively avoids second joint portion 62 mistake to break away from the second card hole, effectively prevents sealed lid subassembly 100 from receiving the water hammer effect of casing 200 interior pipeline and leading to the pine of second joint portion 62 to take off, has further guaranteed the stability of being connected between sealed lid subassembly 100 and the casing 200.

Specifically, the third elastic element 7 is a spring, an axial direction of the spring is the same as an axial direction of the second slide hole, and the spring is located in the second slide hole and is sandwiched between the second sliding portion 61 and the bottom surface of the second slide hole.

In some embodiments, as shown in fig. 2, the sealing cover 1 includes a cover 11 and a pressing plate 12, the pressing plate 12 is connected to a lower end of the cover 11, and a first sliding hole and a third sliding hole are formed between the cover 11 and the pressing plate 12.

Thus, the first latch 2, the driving member 3 and the second latch 6 are first installed in the cover body 11, and then the pressing plate 12 is coupled to the cover body 11, i.e., the assembly of the sealing cover assembly 100, which facilitates the assembly of the sealing cover assembly 100.

Specifically, the cover 11 and the pressing plate 12 are connected by bolts, and a second slide hole is formed in the cover 11.

In some embodiments, as shown in fig. 4, the sealing cover 1 includes at least one blocking sleeve for matching with an opening on the housing 200, an outer peripheral surface of the blocking sleeve is provided with a first annular groove 14, a bottom surface of the first annular groove 14 is provided with a limiting hole 15, the sealing cover assembly 100 further includes a sealing ring 9, the sealing ring 9 includes a body 91 and a limiting portion 92 disposed on an inner peripheral surface of the body 91, the body 91 is matched in the first annular groove 14, and the limiting portion 92 passes through the limiting hole 15 and abuts against the inner peripheral surface of the blocking sleeve.

Spacing portion 92 and spacing hole 15's cooperation realizes the fixed of sealing washer 9 on sealed lid 1 simultaneously, also prevents effectively that sealed lid 1 from being scraped in the assembling process, effectively guarantees the sealing performance of sealing washer 9 from this.

Specifically, as shown in fig. 4, each seal ring 9 has four position-limiting portions 92 arranged at equal intervals along the circumferential direction thereof, and the plugging sleeve is provided with four position-limiting holes 15, respectively. The water tank has clear water chamber and sewage chamber, forms two openings that communicate clear water chamber and sewage chamber respectively on the casing 200, and the shutoff cover has two and inserts respectively and establish in corresponding two openings. Therefore, after one sealing cover assembly 100 is clamped with the shell 200, all openings on the shell 200 are closed, and the installation strength of the sealing cover assembly 100 is effectively reduced.

In some embodiments, as shown in fig. 5, the sealing ring 9 further includes a deformation portion 93 disposed on the outer peripheral surface of the body 91, the deformation portion 93 surrounds the body 91, and a second annular groove 94 with an upward opening is formed between the deformation portion 93 and the body 91.

Therefore, when the plugging sleeve is fitted in the opening of the housing 200, the deformation portion 93 bends toward the body 91 under the extrusion of the housing 200, so that the pressing force between the deformation portion 93 and the inner circumferential surface of the housing 200 is increased, the connection sealing performance of the sealing cover assembly 100 and the housing 200 is ensured, and the sealing ring 9 is less prone to being flanged due to the pressure difference between the inside and the outside of the housing 200.

Specifically, the sealing effect of the sealing ring 9 of the present embodiment can support the pressure and suction force of 0.2Mpa, which is suitable for use in a water tank.

The water tank according to the embodiment of the present invention includes the sealing cover assembly 100 as described in any one of the above embodiments.

The technical advantages of the water tank according to the embodiment of the present invention are the same as those of the sealing cover assembly 100 of the above-mentioned embodiment, and are not described herein again.

According to the utility model discloses basic station includes the water tank as described above embodiment.

According to the utility model discloses the technical advantage of basic station is the same with the technical advantage of the water tank of above-mentioned embodiment, and it is no longer repeated here.

In particular, the base station may be, for example, a sweeping robot base station.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations to the above embodiments by those of ordinary skill in the art are intended to be within the scope of the present invention.

Claims (16)

1. A seal cap assembly for attachment to a housing of a water tank, comprising:

a sealing cover;

the first buckle is movably connected with the sealing cover, and at least part of the first buckle can protrude out of the outer surface of the sealing cover and is clamped with the shell; and

a drive member movably coupled to the seal cap, the drive member cooperating with the first snap to facilitate the at least partial free end of the first snap to approach and/or depart from an outer surface of the seal cap.

2. The seal cover assembly of claim 1, wherein the inner peripheral surface of the housing is provided with a first engaging hole, the outer peripheral surface of the seal cover is provided with a first sliding hole, and the first engaging member comprises a first sliding portion and a first engaging portion connected to each other, the first sliding portion being slidably engaged in the first sliding hole, and the first engaging portion being capable of protruding from the outer peripheral surface of the seal cover and being engaged in the first engaging hole.

3. The seal cover assembly of claim 2 wherein the upper surface of the seal cover defines a second slide aperture in communication with the first slide aperture, the drive member slidably fits within the second slide aperture, at least one of the drive member and the first slide defining a first guide ramp, the drive member and the first slide being slidably coupled by the first guide ramp.

4. The seal cover assembly of claim 2, further comprising a first resilient member connecting the seal cover and the first sliding portion, the first resilient member normally biasing the first snap portion out of the outer peripheral surface of the seal cover.

5. The seal cover assembly as claimed in claim 4, wherein a lower surface of the first catching portion is provided with a second guide slope for slidably fitting with the housing.

6. The seal cover assembly of claim 3, further comprising a second resilient member connecting the seal cover and the drive member, the second resilient member normally projecting at least a portion of the drive member above the upper surface of the seal cover.

7. The seal cover assembly of claim 6, further comprising a latch portion, a pivot portion and a pressing portion connected, the pivot portion being pivotably connected to the seal cover, the pressing portion abutting an upper end surface of the drive member.

8. The seal cover assembly as in claim 7, wherein the upper surface of the seal cover has a catch groove opposite the catch portion.

9. The seal cover assembly of claim 2, wherein the inner peripheral surface of the housing is provided with a second engaging hole, the seal cover assembly further comprises a second engaging member including a second sliding portion and a second engaging portion connected to each other, the outer peripheral surface of the seal cover is provided with a third sliding hole, the second sliding portion is slidably fitted in the third sliding hole, and the second engaging portion is capable of protruding from the outer peripheral surface of the seal cover and being fitted in the second engaging hole.

10. The seal cover assembly as in claim 9 wherein the upper and lower surfaces of the second snap-in portion are provided with third and fourth guide ramps, respectively, for sliding engagement with the housing.

11. The seal cover assembly of claim 9, further comprising a third resilient member connecting the seal cover and the second sliding portion, the third resilient member normally biasing the second snap portion out of the outer peripheral surface of the seal cover.

12. The seal cover assembly of claim 9, wherein said seal cover includes a cover body and a pressure plate, said pressure plate being connected to a lower end of said cover body, said cover body and said pressure plate defining said first and third slide apertures therebetween.

13. The seal cover assembly according to any one of claims 1 to 12, wherein the seal cover comprises at least one blocking sleeve for engaging with the opening of the housing, an outer peripheral surface of the blocking sleeve is provided with a first annular groove, a bottom surface of the first annular groove is provided with a stopper hole, the seal cover assembly further comprises a seal ring, the seal ring comprises a body and a stopper portion disposed on an inner peripheral surface of the body, the body is engaged in the first annular groove, and the stopper portion passes through the stopper hole and abuts against the inner peripheral surface of the blocking sleeve.

14. The seal cover assembly of claim 13, wherein the seal ring further comprises a deformation disposed on the outer peripheral surface of the body, the deformation surrounding the body, the deformation and the body defining a second annular groove therebetween that is upwardly open.

15. A cistern comprising a closure assembly as claimed in any one of claims 1 to 14.

16. A base station, characterized in that it comprises a water tank according to claim 15.

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