CN212689107U

CN212689107U - Automatic flushing device of closestool and closestool transformation system

Info

Publication number: CN212689107U
Application number: CN202021745638.5U
Authority: CN
Inventors: 陈华伟; 王雄; 李方旺; 张加武; 雷龙宝
Original assignee: Zhejiang Shangmo Industry And Trade Co ltd
Current assignee: Chen Xiaowu
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-03-12
Anticipated expiration: 2030-08-19

Abstract

The utility model belongs to the technical field of bathroom, in particular to a closestool automatic flushing device and a closestool transformation system, which comprises a base, a flushing button and a closestool seat, wherein the base is arranged beside the flushing button of the closestool; the pressing piece is arranged on the base in a lifting mode and comprises a pressing head used for pressing a flushing button and a connecting part connected with the base; the connecting part is provided with a first inclined plane; the driving cylinder is provided with a second inclined plane opposite to the first inclined plane; and the driving device is used for controlling the driving cylinder when the cover turning device closes or/and opens the toilet lid, so that the inclined plane II abuts against the inclined plane I, and the pressing piece moves downwards through continuous forward abutting of the driving cylinder, so that the pressing head presses the flushing button to flush. This patent makes whole pressing member go up and down the translation in the base through the form of inclined plane butt, presses the bath button, it is close manual more and presses to can not cause the phenomenon of scraping colored bath button.

Description

Automatic flushing device of closestool and closestool transformation system

Technical Field

The utility model belongs to the technical field of the bathroom, refer in particular to a closestool automatic flushing device.

Background

With the progress of times, various intelligent toilets in different shapes and colors appear on the market, have the functions of automatic flushing, automatic cover opening, cushion heating and the like, and are widely popular with consumers. However, in the present circumstances, the selling price of the intelligent closestool is still several times of that of the common water flushing closestool, and more than 80 percent of the intelligent closestool is also used in families, companies and public places.

China utility model 201520081442.3 discloses a robot closestool automatic flushing device the device be one with the supporting cartoon figurative robot of installing of closestool, including the bath robot, with the joint apart from the adjustable with latch device, infrared detector, control circuit, the automation of the supporting installation of closestool press down the automatic flushing transmission of the bath button of closestool, the automatic flushing transmission is installed on the flexible apart from adjustable manipulator of bath robot. The utility model discloses a robot closestool automatic flushing device can control the robot through having infrared detector safely and reliably and wash by water the action, and the bath is gone on through positive reverse motor and supporting drive worm and flexible worm, and simple structure, with low costs have and can be suitable for the various joint devices that the closestool installed, and the function is practical.

The above patent has the following defects that the automatic flushing mechanism in the utility model has a large overall volume, and is inconvenient for a user to disassemble and assemble; and the device punches the bath button of closestool through the manipulator, and the manipulator scrapes the surface of bath button easily to make the bath button become unsightly, influence the later stage and continue to use.

Disclosure of Invention

The utility model aims at providing a simple structure's closestool automatic flushing device and closestool transformation system.

The purpose of the utility model is realized like this:

an automatic flushing device for toilet bowl comprises

The base is arranged beside a flushing button of the closestool;

the pressing piece is arranged on the base in a lifting mode and comprises a pressing head used for pressing a flushing button and a connecting part connected with the base; the connecting part is provided with a first inclined plane;

the driving cylinder is provided with a second inclined plane opposite to the first inclined plane;

and the driving device is used for controlling the driving cylinder when the cover turning device closes or/and opens the toilet lid, so that the inclined plane II abuts against the inclined plane I, and the pressing piece moves downwards through continuous forward abutting of the driving cylinder, so that the pressing head presses the flushing button to flush.

Furthermore, the pressing surface of the pressing head for pressing the flushing button is a plane.

Furthermore, the base and the connecting part are respectively provided with at least one corresponding lifting groove and a limiting piece; when the lifting mechanism is lifted, the limiting part moves in the lifting groove and is used for limiting the lifting movement of the pressing part.

Furthermore, a butt joint groove is formed in the connecting portion, a spring part is arranged in the butt joint groove, and two ends of the spring part are respectively abutted to the connecting portion and the base and used for resetting the whole pressing piece after the driving cylinder retracts.

Further, the driving cylinder is an air cylinder, the driving device comprises an air pump, and the air pump is connected with the driving cylinder.

Furthermore, an adhesion layer is arranged at the bottom of the base, and the automatic flushing device of the closestool is fixed on the closestool through the adhesion layer.

A toilet reforming system comprises the toilet automatic flushing device;

the toilet bowl cover overturning device is used for opening the toilet bowl cover by driving the toilet bowl cover overturning device;

the control mechanism is used for driving the cover turning device to be opened or closed;

when the cover turning device is driven to close the toilet cover or/and open the toilet cover, the flushing mechanism works to flush the toilet.

Further, the flip cover device comprises

The bracket is used for being fixed on a closestool and is provided with a rotating groove;

the rotating shaft is arranged in the bracket and is connected with a power source for driving the rotating shaft to rotate;

the front end of the swing arm is used for connecting a toilet cover, and the rear end of the swing arm penetrates through the rotating groove and is connected with the rotating shaft; the swing arm is turned over by driving the rotating shaft to rotate, so that the toilet lid is driven to open or close by the swing arm.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

1. this patent makes whole pressing member go up and down the translation in the base through the form of inclined plane butt, presses the bath button, press head and bath button are the mutual butt between face and the face promptly, are close manual pressing more to can not cause the phenomenon of scraping colored bath button.

2. In this patent, the pressing head is provided as a flat or arc head, preferably a flat surface, which is beneficial for protecting the flush button from being scratched when it is in contact with the flush button.

Drawings

FIG. 1 is a schematic view of a patent flipper of the present invention;

FIG. 2 is a cross-sectional view at A-A;

fig. 3 is an exploded schematic view of a flip cover;

FIG. 4 is an internal schematic view of the support stand;

FIG. 5 is an enlarged view at A in FIG. 4;

FIG. 6 is a schematic view of a swing arm;

FIG. 7 is a schematic view at the swing arm connection;

FIG. 8 is a schematic view of the interior of the swing arm linkage;

FIG. 9 is a schematic view of a flush mechanism;

FIG. 10 is an internal schematic view of the flush mechanism;

FIG. 11 is a schematic illustration of ramp abutment in the drive cylinder;

FIG. 12 is a schematic view of a press;

the reference numerals in the figures denote the meanings:

1. a support; 2. a rotating groove; 3. a rotating shaft; 4. swinging arms; 5. rotating the sleeve; 6. a slot; 7. a support frame; 8. a connecting frame; 9. a boss portion; 10. a chute; 11. a motor assembly; 12. an opening part; 13. a limiting bulge; 14. an abutting portion; 15. a disconnection point; 16. connecting sleeves; 17. a steering member; 18. a contact switch; 19. a connecting member; 20. a through hole; 21. a limiting groove; 22. A roller; 23. a rolling groove; 24. an adhesion layer; 25. a base; 26. a pressing member; 27. a pressing head; 28. a connecting portion; 29. A first inclined plane; 30. a second inclined plane; 31. a lifting groove; 32. a limiting member; 33. a butt joint groove; 35. an electromagnetic valve; 36. a lithium battery; 37. a first accommodating groove; 38. a second accommodating groove; 39. a limiting frame; 40. angle iron; 41. mounting a plate; 42. a drive cylinder; 43. an air pump; 44. and (4) gear position.

Detailed Description

The invention will be further described with reference to specific embodiments below:

an automatic flushing device for toilet bowl comprises

A base 25 for positioning adjacent to a flush button of the toilet;

a pressing piece 26 which is arranged on the base 25 in a lifting way and comprises a pressing head 27 for pressing a flushing button and a connecting part 28 for connecting the base 25 in a lifting way; the connecting part 28 is provided with a first inclined plane 29;

the driving cylinder 42 is provided with a second inclined surface 30 opposite to the first inclined surface 29;

and the driving device is used for controlling the driving cylinder 42 when the cover turnover device closes the toilet lid or/and opens the toilet lid, so that the second inclined surface 30 abuts against the first inclined surface 29, and the pressing piece 26 moves downwards through continuous forward abutment of the driving cylinder 42, so that the pressing head 27 presses the flushing button to flush.

At present, most of common water flushing toilets have a flush button disposed above a tank of the toilet, and flush of the toilet is performed by pressing the flush button downward. As shown in fig. 9 and 10, the base 25 abuts against one side of the flush button, which is generally circular, and the side of the base 25 abutting against the flush button is in a matched arc shape; the pressing piece 26 is provided with a base 25 at one end close to the flushing button, a first accommodating groove 37 is arranged on the base 25 and used for accommodating the connecting part 28 and enabling the connecting part 28 to ascend and descend in the first accommodating groove 37, and the pressing head 27 extends from the upper end of the connecting part 28 to one end of the flushing button and bends downwards towards the flushing button; in a normal state, the pressing head 27 abuts against the flushing button due to gravity, but the gravity of the pressing head 27 is insufficient to drive the flushing button to work, so that the pressing head 27 stands on the flushing button, and the connecting part 28 is suspended on the accommodating groove 37.

As shown in fig. 10 and 11, the base 25 is further provided with a second receiving groove 38, and the second receiving groove 38 is connected with the first receiving groove 37 in a guiding manner; the second accommodating groove 38 is used for accommodating the driving cylinder 42, a second downward inclined surface 30 is arranged on the cylinder head of the driving cylinder 42, and a first upward inclined surface 29 is arranged on the connecting part 28 facing the second inclined surface 30; when the driving cylinder 42 works, the cylinder head of the driving cylinder continuously abuts against the first inclined surface 29 forwards; when the cylinder head is continuously abutted forwards, the connecting part 28 needs to give way to an area for placing the cylinder head, so that the connecting part 28 continuously moves downwards in the accommodating groove, the downward movement of the connecting part 28 drives the pressing head 27 to move downwards, and the flushing button is pressed to flush water.

Most of the existing flushing mechanisms are pressed in a mode that a motor operates a connecting rod to rotate, and in the driving mode, a sharp end of a connecting rod head is easy to abut against a flushing button, so that the flushing button is scratched, and the existing flushing mechanisms are quite unattractive; in the patent, the whole pressing piece 26 is lifted and translated in the base 25 through the inclined plane abutting mode to press the flushing button, namely the pressing head 27 and the flushing button are abutted with each other between surfaces and are closer to manual pressing, so that the phenomenon of scraping the flushing button is avoided. In this patent, the pressing head 27 is provided as a flat or arc head, preferably a flat surface, which is useful for protecting the flush button from scratches when it is in contact with the flush button.

It should be noted that, since the pressing head 27 extends from the connecting portion 28 and abuts against the flush button, the pressing head 27 itself has a limited volume and does not completely abut against the flush button; the arrangement can be used for manually pressing the flushing button to flush when the flushing mechanism is powered off, namely, the manual flushing is not limited by the flushing mechanism.

Further, the base 25 and the connecting portion 28 are respectively provided with at least one corresponding lifting slot 31 and a limiting member 32; when the pressing member 26 is lifted, the limiting member 32 moves in the lifting groove 31 to limit the lifting movement of the pressing member.

As shown in fig. 10, the limiting member 32 is a limiting rod vertically disposed in the first accommodating groove 37, the lifting groove 31 is a circular groove integrally formed on the connecting portion 28, and when in use, the circular groove is sleeved on the limiting rod and is limited by the limiting rod and the circular groove when the lifting groove is lifted; the limiting member 32 may also be the connecting portion 28 itself, and at this time, the lifting groove 31 is located at the first accommodating groove 37, which may also play a role in limiting and fixing.

Furthermore, a contact groove 33 is formed in the connecting portion 28, a spring member is disposed in the contact groove 33, and two ends of the spring member respectively contact the connecting portion 28 and the base 25 for resetting the entire pressing member 26 after the driving cylinder 42 is retracted.

As shown in fig. 12, the abutting groove 33 is disposed outside the lifting groove 31, and is an annular groove opened in the connecting portion 28, and the groove is oriented toward the base 25; the spring element is positioned in the annular groove and is respectively abutted against the connecting part 28 and the base 25; the spring member is adapted to return to an initial position after the driving cylinder 42 is released after the completion of the flush, the initial position being a state in which the pressing head 27 is located on the flush button and no force is applied to the flush button. In some embodiments, the spring member may be eliminated and the return of the pressing member 26 is actuated by the automatic return of the flush button after the drive cylinder 42 is retracted.

Further, the driving device comprises a solenoid valve 35, and the solenoid valve 35 is connected with a driving cylinder 42.

As shown in fig. 10, in this embodiment, the driving cylinder 42 is an air cylinder, an air pump 43 is connected to the air cylinder, and when the electromagnetic valve 35 is turned on, the air pump 43 performs an inflation or deflation operation, so as to control the air cylinder to extend or retract, thereby realizing automatic control of the entire flushing mechanism.

In fact, the flushing mechanism is further provided with a protective cover on the base 25 for protecting the components located in the base 25; the adhesive layer 24 is also provided on the base 25, and is fixed to the tank of the toilet bowl by the adhesive layer 24.

A toilet bowl remodeling system comprises

A lid-flipping unit for being mounted on a toilet, and opening a toilet lid by driving the lid-flipping unit;

the flushing mechanism;

As shown in fig. 1, the flip cover comprises

The support 1 is used for being fixed on a closestool, and a rotating groove 2 is formed in the support 1;

the rotating shaft 3 is arranged in the bracket 1 and is connected with a power source for driving the rotating shaft 3 to rotate;

the front end of the swing arm 4 is used for connecting a toilet cover, and the rear end of the swing arm 4 penetrates through the rotating groove 2 and is connected with the rotating shaft 3; the swing arm 4 is turned over by driving the rotating shaft 3 to rotate, so that the toilet lid is driven to open or close by the swing arm 4.

An existing general flush toilet generally includes a toilet seat and a tank of the toilet, and a portion of an installation space is left between the toilet seat and the tank for placing a hinge seat of a hinge toilet cover or for connecting the toilet seat and the tank; the support 1 of the cover turning device described in this patent is generally installed on the installation space, specifically, the bottom of the support 1 of the cover turning device is provided with the adhesion layer 24 for installation, which can be glass glue, and the user only needs to tear the sealing element on the adhesion layer 24 to expose the adhesion layer 24 for adhesion, the connection mode is simple and quick, and convenient for the user to install, and the general closestool is made of ceramic materials, if the connection mode such as screws and the like needing to be punched is adopted, the punching is difficult for the ceramic materials, the closestool is easy to be damaged when punched, and the punched closestool is not beautiful; the use of the adhesive layer 24 avoids the problem of damage to the toilet from being punched and the toilet is relatively more aesthetically pleasing because it avoids punching.

Further, the support 1 comprises support frames 7 at two sides and a connecting frame 8 arranged between the support frames 7; the supporting frame 7 is provided with a convex part 9 facing the connecting frame 8, a plurality of sliding grooves 10 communicated with the outside are formed in the connecting frame 8, and the sliding grooves 10 are matched with the convex part 9; the connecting frame 8 and the supporting frame 7 are connected by connecting the protruding part 9 into the sliding groove 10, and the length of the whole bracket 1 is adjusted by moving the protruding part 9 in the sliding groove 10.

As shown in fig. 3, an angle iron 40 for supporting on the edge of the toilet seat is arranged on the contact surface of the supporting frame 7 against the side wall of the toilet seat, so that the supporting frame 7 is fixed on the toilet seat; in some cases, the angle iron may be omitted, the adhesive layer 24 may be directly disposed on the contact surface for connection, or the adhesive layer 24 may be disposed on the angle iron, and the angle iron may be used to provide a more secure installation. The support frame 7 can be directly vertically arranged on the toilet seat except abutting against the side wall, and compared with the toilet seat, the abutting arrangement is firmer and more stable. The bottom of the connecting frame 8 is provided with a plurality of supporting parts so as to support the connecting frame 8 on the toilet seat for obtaining a proper installation height, and the bottom of the supporting parts can be provided with the adhesive layer 24 for reinforcement connection.

As shown in fig. 2 and 3, the connecting frame 8 is disposed to penetrate left and right, so that a sliding groove 10 is formed in the connecting frame 8, the protruding portion 9 of the connecting frame is connected to the sliding groove 10 from both ends, and a user can drive the supporting frame 7 to move the protruding portion 9 in the sliding groove 10; the specifications of the existing common flush toilet are different greatly and are used for adapting to different installation scenes and use scenes, and the specifications are embodied in the width of a toilet seat and the size of a water tank; the support 1 can be adapted to toilet seats with different widths through the form of the sliding groove 10, so that the cover turning device is more flexibly installed; meanwhile, due to the abutting of the support frame 7 and the fixation of the adhesion layer 24, the protruding part 9 and the sliding groove 10 can be directly connected for use without additionally arranging a fixing structure.

Further, the power source comprises a motor assembly 11 arranged in the support frame 7, as shown in fig. 4, a mounting plate is arranged in the support frame 7 on one side, the motor assembly 11 is fixed in the support frame 7 through the mounting plate, and a lithium battery 36 for supplying power to the motor assembly is arranged in the support frame 7 on the other side; at this time, the control mechanism for controlling and driving the flip cover to open or close is a remote controller for controlling the motor assembly 11 to rotate, and is specifically driven by a button on the remote controller. The rotating shaft 3 is arranged in the protruding part 9, and the motor component 11 is connected with and drives the rotating shaft 3 to rotate; the connecting frame 8 is provided with the rotating groove 2, the protruding part 9 is provided with an opening part 12, the rotating shaft 3 penetrates through the opening part 12 to be connected into the connecting frame 8, and the rotating groove 2 of the connecting frame 8 is connected with the swing arm 4; as shown in fig. 3, the rotating slot 2 is arranged at the middle end of the connecting frame 8, and is a square opening; in order to make the installation of the whole flip device more firm, the rotation in this patent is connected to the rotation groove 2 at the other end by the protruding part 9 at one end through the opening part 12 arranged on the protruding part 9, and the rotating shaft 3 plays a role of a connecting shaft at this time, thereby supporting the whole bracket 1.

Furthermore, a rotating sleeve 5 is fixed on the rotating shaft 3, a slot 6 is arranged on the rotating sleeve 5, and the rotating sleeve is connected with the swing arm 4 through the slot 6. As shown in fig. 3 and 4, the size of the rotating sleeve 5 is matched with the size of the rotating groove 2, so that the whole flip device is more compact; the inner hole of the rotating sleeve 5 is square, the section of the rotating shaft 3 connected with the rotating sleeve 5 is square, and the square is used for driving the rotating sleeve 5 to move when the rotating shaft 3 rotates; the slot 6 is arranged on one side of the rotating sleeve 5 and is flat, the swing arm 4 can be directly inserted into the slot 6 to be connected and fixed, and the installation is convenient and fast.

At this time, if the length of the bracket 1 needs to be adjusted for installation, the support frame 7 at one end is driven to move outwards at first, and the support frame 7 drives the boss 9 to move in the chute 10 and drives the rotating shaft 3 to move at the same time; because the cover is established to the rotating sleeve 5 the pivot 3 is gone up and is given spacing in link 8 by rotating groove 2, when pivot 3 removed, can make pivot 3 remove from rotating groove 2, but before when setting up, pivot 3 was equipped with the surplus in the bellying 9 of other one end, and the length of the surplus is reserved for pivot 3 to the maximum length of consequently support frame 7 outside motion.

The connecting mode of the rotating shaft 3 and the swing arm 4 is also provided, namely the rotating shaft 3 and the swing arm 4 are connected together in a welding or part consolidation mode; in the connection mode, the length of the bracket 1 can not be adjusted and the position of the swing arm 4 connected on the rotating shaft 3 can not be adjusted at the same time as the length of the rotating sleeve 5, so that the length of the bracket 1 can be adjusted only by driving the supporting frame 7 at the other end; compared with the prior art, the length of the bracket 1 can be adjusted by driving the supporting frames 7 at the two ends simultaneously through the rotating sleeve 5, and the adjusted bracket 1 looks more symmetrical, harmonious and attractive.

Furthermore, a steering member 17 is further fixed on the rotating shaft 3, and contact switches 18 are arranged on two sides of the steering member 17; when the rotating shaft 3 rotates to drive the toilet lid to be in an open state or a closed state, the rotating shaft 3 simultaneously drives the steering member 17 to abut against the contact switches 18 on the two sides respectively.

As shown in fig. 5, the steering member 17 is disposed on the mounting plate on which the motor assembly 11 is mounted, the steering member 17 is annular, a protrusion is disposed on the annular ring, and the contact switches 18 are respectively disposed on the left and right sides of the annular ring; when adopting remote controller driving motor subassembly 11 work, motor subassembly 11 rotates and drives to turn to 17 and rotate, drives this lug butt on the contact switch 18 of one end when turning to 17 pivoted, and pivot 3 just drives this moment swing arm 4 to toilet lid open mode or closed condition, and trigger switch action, stops motor subassembly 11 work, makes its automatic commutation through its inside control circuit to the motor rotates to other one end when starting motor subassembly 11 next time, and when the butt was gone up to the contact switch 18 of other one end, pivot 3 just drove swing arm 4 to toilet lid open mode or closed condition, and the driving of commuting is carried out to the same reason. The rotation distance of the motor assembly 11 is controlled through the mechanism, and the purpose of distance control can be achieved by adopting a common motor.

Furthermore, a plurality of limiting bulges 13 which are abutted against the rotating shaft 3 are further arranged in the protruding part 9, abutting parts 14 protruding from the rotating shaft 3 are arranged on the rotating shaft 3 at two ends of each limiting bulge 13, and the rotating shaft 3 is axially limited by the abutting parts 14 abutting against two ends of each limiting bulge 13.

As shown in fig. 2 and 4, the bottom of the protruding portion 9 is communicated with the outside, a limiting frame is placed into the protruding portion 9 from the bottom of the protruding portion 9, and connecting holes for fixing are formed in two sides of the limiting frame and fixed in the protruding portion 9 through the connecting holes; the top of the limiting frame is provided with the limiting bulge 13, the limiting bulge 13 is abutted to the rotating shaft 3, the abutting surface of the limiting bulge 13 is an arc-shaped concave surface, the rotating shaft 3 at the abutting part of the limiting bulge 13 is circular, the rotating shaft 3 can normally rotate, the diameters of the rotating shafts 3 at the two ends of the limiting bulge are far larger than the diameters of the rotating shafts 3 at the abutting part of the limiting bulge 13, and the rotating shafts 3 are firmly limited in the bulge parts 9 through the structure and are prevented from moving back and forth or moving up and down.

Furthermore, a disconnection point 15 is also arranged on the rotating shaft 3, and a connecting sleeve 16 for connecting the rotating shaft 3 at two ends of the disconnection point 15 is slidably sleeved on the disconnection point 15; the sections of the rotating shafts 3 at the two ends of the disconnecting point 15 are non-circular, and the shape of the connecting sleeve 16 is matched with that of the rotating shafts 3 at the two ends of the disconnecting point 15; the clutch of the driving motor for controlling the rotation of the swing arm 4 is controlled by driving whether the connecting sleeve 16 is connected with the rotating shaft 3 at the two ends of the disconnection point 15.

The purpose of designing the structure is that when the cover-turning device in this patent works, if the power is off, the motor assembly 11 cannot drive the toilet lid to open, but the rotating shaft 3 is still kept under the control of the motor, and the toilet lid cannot be manually opened under the condition, so a clutch device needs to be designed for opening the toilet lid when the power is off, specifically, as shown in fig. 4, the breaking point 15 is located on the longer section of the rotating shaft 3 between the two limiting protrusions 13, the rotating shaft 3 at the two ends of the breaking point 15 is square, the inner hole of the connecting sleeve 16 is also square, wherein the reason why the connecting sleeve cannot be set to be round is that the round cannot play a role of connecting the rotating shafts 3 before and after the breaking point 15; under normal conditions, the connecting sleeve 16 is positioned at the connecting point, the rotating shaft 3 is clamped with the connecting sleeve 16 in shape, the effect of connecting the front rotating shaft 3 and the rear rotating shaft 3 of the disconnecting point 15 is achieved, and the whole rotating shaft 3 can be driven to rotate through the motor component 11; after the power is off, the connecting sleeve 16 is shifted to one end, so that the connecting sleeve 16 is positioned on the disconnection point 15 and is not connected with the rotating shaft 3 in front of and behind the disconnection point 15, at the moment, the toilet lid is not limited by the rotating shaft 3 any more, a user can open the toilet lid by himself, and the rotating shaft 3 positioned behind the disconnection point 15 can rotate when the toilet lid is opened. Through the clutch structure, the cover turning device can also work normally when the power is off, and the use is flexible and convenient.

In this patent, bellying 9 and all be equipped with the opening on the link 8 be equipped with the drive groove on the adapter sleeve 16, still include a spanner spare, spanner spare warp in the opening links into this drive groove, comes to drive through this spanner spare adapter sleeve 16 removes and carries out clutch operation.

Furthermore, a connecting piece 19 for fixing the swing arm 4 on the toilet cover is arranged on the swing arm; the connecting piece 19 is provided with a through hole 20, the swing arm 4 is connected into the through hole 20, and the swing arm is used for adapting to the change of the distance between the toilet lid and the toilet lid turnover device when the toilet lid is opened or closed through the sliding of the swing arm 4 in the through hole 20 when the toilet lid is opened or closed.

As shown in fig. 6, the bottom of the connecting member 19 is provided with the adhesive layer 24 for fixing to the toilet lid via the adhesive layer 24. When needing to be explained, because the swing arm 4 is set on the bracket 1, and the bracket 1 is set on one side of the hinge point of the toilet lid rather than on the hinge point, when the toilet lid is changed from the closed state to the open state, the farthest distance that the swing arm 4 can reach the toilet lid will be changed inevitably, therefore if one end of the swing arm 4 is fixed on the toilet lid, the swing arm 4 will be damaged when the toilet lid is opened and closed, so the patent adopts the form of the sliding groove 10, changes the position of the swing arm 4 while the toilet lid is turned over, and avoids the swing arm 4 from being damaged due to rotation.

Furthermore, a limit groove 21 is further arranged in the connecting piece 19, a rolling groove 23 is formed in the swing arm 4 along the length direction, a roller 22 is abutted between the limit groove 21 and the rolling groove 23, and when the swing arm 4 slides, the roller 22 rolls on the rolling groove 23.

As shown in fig. 7 and 8, the limiting groove 21 is disposed inside the connecting member 19, the rolling groove 23 is disposed on the upper surface of the swing arm 4, and the front end and the rear end of the rolling groove 23 are closed to form a stop 44 for limiting the maximum rolling distance of the roller 22; most of the roller 22 is positioned in the limiting groove 21, and two side surfaces of the roller 22 are abutted with the groove wall of the limiting groove 21; in general, the roller 22 is abutted up and down in the limiting groove 21 and the rolling groove 23, and when the swing arm 4 rotates, the roller 22 rotates simultaneously, so that the movement of the toilet lid in the overturning process is smoother.

In some embodiments, an ultraviolet germicidal lamp may be further installed inside the toilet lid for sterilizing the interior of the toilet when the toilet lid is closed.

The above embodiments are only preferred embodiments of the present invention, and not intended to limit the scope of the present invention, therefore: all equivalent changes made according to the structure, shape and principle of the invention shall be covered by the protection scope of the invention.

Claims

1. The utility model provides a closestool automatic flushing device which characterized in that: comprises that

A base (25) for positioning adjacent to a flush button of a toilet;

the pressing piece (26) is arranged on the base (25) in a lifting mode and comprises a pressing head (27) used for pressing a flushing button and a connecting part (28) connected with the base (25); the connecting part (28) is provided with a first inclined plane (29);

the driving cylinder (42) is provided with a second inclined plane (30) opposite to the first inclined plane (29);

and the driving device is used for controlling the driving cylinder (42) when the cover turning device closes the toilet lid or/and opens the toilet lid, so that the second inclined surface (30) abuts against the first inclined surface (29), and the pressing piece (26) moves downwards through continuous forward abutting of the driving cylinder (42), so that the pressing head (27) presses the flushing button to flush.

2. The automatic toilet flushing device of claim 1, wherein: the pressing surface of the pressing head (27) for pressing the flushing button is a plane.

3. The automatic toilet flushing device of claim 1, wherein: the base (25) and the connecting part (28) are respectively provided with at least one corresponding lifting groove (31) and a limiting piece (32); when the lifting mechanism is lifted, the limiting piece (32) moves in the lifting groove (31) and is used for limiting the lifting movement of the pressing piece (26).

4. The automatic toilet flushing device of claim 1, wherein: the connecting portion (28) is provided with a butt groove (33) in which a spring piece is arranged, and two ends of the spring piece are respectively butted against the connecting portion (28) and the base (25) and used for resetting the whole pressing piece (26) after the driving cylinder (42) retracts.

5. The automatic toilet flushing device of claim 1, wherein: the driving cylinder (42) is an air cylinder, the driving device comprises an air pump (43), and the air pump (43) is connected with the driving cylinder (42).

6. The automatic toilet flushing device of claim 1, wherein: an adhesion layer (24) is arranged at the bottom of the base (25), and the automatic flushing device of the closestool is fixed on the closestool through the adhesion layer (24).

7. The utility model provides a closestool transformation system which characterized in that: comprising a toilet automatic flushing device as claimed in claims 1-6;

8. The toilet retrofit system of claim 7, wherein: the cover turning device comprises

The closestool comprises a bracket (1) and a water tank, wherein the bracket (1) is used for being fixed on a closestool and is provided with a rotating groove (2);

the rotating shaft (3) is arranged in the bracket (1) and is connected with a power source for driving the rotating shaft (3) to rotate;

the front end of the swing arm (4) is used for being connected with a toilet cover, and the rear end of the swing arm (4) penetrates through the rotating groove (2) and is connected with the rotating shaft (3); the swing arm (4) is turned over by driving the rotating shaft (3) to rotate, so that the toilet lid is driven to open or close by the swing arm (4).