CN214657521U

CN214657521U - Sealed toilet lid and toilet

Info

Publication number: CN214657521U
Application number: CN202023156035.4U
Authority: CN
Inventors: 刘小龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-11-09
Anticipated expiration: 2030-12-24

Abstract

The utility model belongs to the technical field of sanitary ware, in particular to a sealed toilet lid and a toilet; the toilet seat comprises a connecting base, a seat ring and a toilet lid, wherein the connecting base is arranged in the toilet lid, two groups of articulated arms are arranged on the connecting base, and each group of articulated arms comprises a lower main arm and a lower auxiliary arm; two groups of hinged arms are arranged on the inner wall of the toilet cover, each group of hinged arms comprises an upper main arm and an upper auxiliary arm, the waist parts of the upper main arm and the lower main arm are hinged, the upper auxiliary arm is hinged with the end part of the lower main arm, the lower auxiliary arm is hinged with the end part of the upper main arm, and the hinged points of the upper main arm and the lower main arm are positioned on the right side of the crossed point of the hinged point connecting lines of the two ends of the upper main arm and the lower main arm; the seat ring is hinged with the connecting base, can be scaled, is accommodated in the toilet lid, and is provided with a sealing ring at the edge; the toilet cover is provided with an air inlet, and a one-way air valve is arranged at the air inlet. Use the utility model discloses a water consumption when the reducible daily bath of closestool of toilet lid can improve the problem that the closestool blockked up simultaneously, responds present green's development theory.

Description

Sealed toilet lid and toilet

Technical Field

The utility model belongs to the technical field of bathroom cleaners and polishes, concretely relates to sealed toilet lid and closestool.

Background

The closestool is divided into a direct flushing type and a siphon type, and the principle is as follows: the direct flushing type utilizes the impact force of water flow to flush away dirt; the siphon type is to drain away the sewage by means of siphon effect by utilizing the water level difference formed after the water drain pipeline is filled with water.

The closestool can block up the phenomenon in the use inevitable, when the closestool is blocked up, can only clear up through the manual work, not only hard still the smell is bigger, influences sanitation. At the end, the common cause of toilet bowl blockage is insufficient flushing force, and according to the conventional design direction, the most effective way to improve the flushing force of the toilet bowl is to increase the capacity of the water tank and further improve the flushing water pressure. However, this approach increases the cost of use for the user and the cost of manufacturing the toilet, and the unregulated use of water resources is not consistent with a sustainable concept. Therefore, the development of the closestool is oriented to improve the pressure difference between the inner pressure of the closestool cavity and the atmospheric pressure to enhance the sewage discharge capability on the premise of saving water.

The patent number 201921687264.3 Chinese utility model discloses an "prevent stifled closestool", this closestool covers at the closestool and sets up the sealing washer, and then when the closestool lid lock, the closestool inner chamber forms airtight space, and the water tank internal water leaks into the improvement of closestool intracavity back pressure and then washes out the excrement totally. When the toilet lid is unreasonable in design, the sealing effect is poor, and the increase of the water pressure is not obvious.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem that using water wisely and closestool stopped up easily, provided a sealed toilet lid, it is airtight to utilize toilet lid to close the back closestool intracavity, washes by water and improves intracavity pressure and atmospheric pressure and form the purpose that pressure differential reaches water conservation and reinforcing blowdown ability.

The utility model provides a following technical scheme: a sealed toilet lid and a toilet; the toilet seat comprises a connecting base, a seat ring and a toilet lid, wherein the connecting base is arranged in the toilet lid, two groups of articulated arms are arranged on the connecting base, and each group of articulated arms comprises a lower main arm and a lower auxiliary arm; two groups of articulated arms are arranged on the inner wall of the toilet cover, each group of articulated arms comprises an upper main arm and an upper auxiliary arm, the upper main arm and a lower main arm are arranged in a crossed mode, the waist parts of the upper main arm and the lower main arm are hinged, the upper auxiliary arm is hinged with the end part of the lower main arm, the lower auxiliary arm is hinged with the end part of the upper main arm, the hinged points of the upper main arm and the lower main arm are positioned on the right side of the crossed point of the hinged point connecting lines of the two ends of the upper auxiliary arm and the lower main arm, one side, close to the upper main arm, of the upper auxiliary arm avoids bending of the upper main arm, and one side, close to the lower main arm, of the lower auxiliary arm avoids bending of the lower main arm; the seat ring is hinged with the connecting base, the seat ring is accommodated in the toilet lid, and the edge of the toilet lid is provided with a sealing ring; the toilet cover is provided with an air inlet, and a one-way air valve is arranged at the air inlet.

Further, the method comprises the following steps of; the seat ring comprises a left ring body and a right ring body, wherein the left ring body and the right ring body are hinged with the connecting base, a torsion pushing mechanism is arranged between the ring bodies and the connecting base, the torsion pushing mechanism is in shaft coupling with a hinged shaft of the lower main arm or the lower auxiliary arm on the connecting base, a compression resetting mechanism is connected between the left ring body and the right ring body, and the torsion pushing mechanism and the compression resetting mechanism feed along the axial direction of the hinged shaft.

Further, the method comprises the following steps of; twist reverse pushing mechanism and include rotating part and promotion portion, rotating part and promotion portion set up along the axial of circle body pivot, and the rotating part is with lower main arm or the articulated shaft coupling of assistant arm on connection base down, and promotion portion is connected with the circle body, and promotion portion is fixed for the circle body, and promotion portion is connected the cooperation with the rotating part and is formed the cam pair.

Further, the method comprises the following steps of; the torsion pushing mechanism further comprises an auxiliary pushing part, a lining sleeve and a transmission pipe, wherein the pushing part, the auxiliary pushing part, the transmission pipe, a rotating part and the lining sleeve are coaxially arranged, the auxiliary pushing part is axially and radially fixedly arranged, the rotating part is arranged between the pushing part and the auxiliary pushing part, and a connecting rod extends out of the rotating part; in the radial direction, the lining sleeve is arranged between the connecting rod and the auxiliary pushing part and is coupled with the rotating part through a shaft; the lining sleeve penetrates out of the auxiliary pushing part and is in shaft coupling with a hinged shaft of the lower main arm or the lower auxiliary arm; the inner wall of the transmission pipe is provided with linear grooves along the axial direction, the auxiliary pushing portion and the pushing portion are inserted from two ends of the transmission pipe respectively, the auxiliary pushing portion and the pushing portion are provided with raised lines matched with the linear grooves, the inner wall of the transmission pipe is also provided with arc-shaped grooves along the circumferential direction, the arc-shaped grooves are located between the auxiliary pushing portion and the pushing portion, the rotating portion is arranged in the transmission pipe, bosses matched with the arc-shaped grooves are arranged on the rotating portion, the rotating portion and the auxiliary pushing portion of the pushing portion are matched to form a front cam pair and a rear cam pair, and high points of the two cam pairs correspond to high points.

Further, the method comprises the following steps of; the left ring piece and the right ring piece are circumferentially and relatively fixed.

Further, the method comprises the following steps of; the compression reset mechanism comprises a spring, and two ends of the spring are respectively connected with the left ring body and the right ring body.

Further, the method comprises the following steps of; the seat ring protection sleeve is characterized by further comprising a seat ring protection sleeve, the left ring body and the right ring body are connected through the seat ring protection sleeve, a channel matched with the left ring body and the right ring body is formed in the seat ring protection sleeve, a notch for accommodating the left ring body and the right ring body and leaning against the left ring body and the right ring body is formed in the seat ring protection sleeve, and a notch for accommodating a bottom plate of the seat ring protection sleeve is formed in the bottom of the left ring body and the bottom plate of the right ring body.

Further, the method comprises the following steps of; the locking pin is arranged on the connecting base transversely and comprises a box body, a pressure spring and a ball head pin are arranged in the box body, the pressure spring is arranged between the ball head pin and the box body, the ball head of the ball head pin extends out of the box body, a locking disc is arranged on the lower main arm, and a circular groove matched with the ball head of the ball head pin is formed in the locking disc.

Further, the method comprises the following steps of; the connecting base is provided with a cylinder cavity, and the auxiliary pushing part, the lining sleeve, the transmission pipe, the rotating part and the pushing part are arranged in the cylinder cavity.

The utility model also provides a closestool, including foretell sealed toilet lid, sealed toilet lid passes through connection base and installs on the closestool.

Compared with the prior art, the utility model has the advantages that:

the closestool is divided into a direct flushing type and a siphon type, and the principle is as follows: the direct flushing type utilizes the impact force of water flow to flush away dirt; the siphon type is to drain away the sewage by means of siphon effect by utilizing the water level difference formed after the water drain pipeline is filled with water. The essential flushing principle of the water storage closestool with the water tank or the closestool without the water tank which is directly flushed by using the pressure of tap water is not changed. The utility model discloses a toilet lid can be applied to present most specifications closestool, improves the leakproofness between toilet lid and the closestool, and after toilet lid lock, the toilet intracavity forms confined space, and clean running water releases initially, and the pressure in the toilet intracavity risees gradually, begins blowdown work promptly, and when the toilet intracavity was touched sewage surface to quick release of clean running water, sewage had been partly discharged, and the pressure differential that pressure in the toilet intracavity and atmospheric pressure formed reaches the high point, and the blowdown ability reaches the extreme point, and remaining sewage is discharged by intracavity pressure and the clean running water of dashing out; meanwhile, the bacteria are completely prevented from turning upwards and flowing into the room when the closestool is flushed. The existing toilet bowl discharges the sewage only when tap water contacts the sewage liquid level, and the sewage flushing capacity completely depends on the water quantity and the water pressure of the toilet bowl. The closestool uses the utility model discloses a water consumption and the problem of improving the closestool jam when the toilet lid can effectively reducible closestool bath, the development theory of response present green, simultaneously, the leakproofness is good after the toilet lid is closed, completely isolated bacterium flows into indoor.

Drawings

Fig. 1 is a schematic opening and closing view of a toilet lid.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Fig. 3 is a schematic closing view of the toilet lid.

Fig. 4 is a schematic top view of a toilet.

Fig. 5 is a structural schematic diagram of the torsion pushing mechanism in a disassembled state.

Fig. 6 is a schematic structural view of the torsion pushing mechanism in an assembled state.

Fig. 7 is a perspective view of the components of the torsional driving mechanism in a disassembled state.

Fig. 8 is a schematic view of the structure of the transmission tube.

Fig. 9 is a schematic structural view of the connection base.

FIG. 10 is a schematic view of the engagement of the torsion urging mechanism, the retainer, and the spring.

FIG. 11 is a schematic view of the construction of the race boot.

Fig. 12 is a schematic structural view of the locking pin.

FIG. 13 is a schematic view of the latching pin engaging the locking plate.

In the figure: 1-a toilet seat; 2-toilet lid; 2.1-air intake; 2.2-one-way air valve; 3-seat ring; 3.1-circle body; 4-sealing ring; 5-a connection base; 5.1-cylindrical cavity; 5.2-lower auxiliary arm hinge hole; 6-an articulated arm; 6.1-lower main arm; 6.2-lower auxiliary arm; 6.3-upper main arm; 6.4-Upper sub arm; 7-a rotating part; 7.1-connecting rod; 7.2-boss; 8-lining the sleeve; 9-auxiliary pushing part; 10-a transmission pipe; 10.1-straight line groove; 10.2-arc slot; 11-a pushing part; 11.1-inserting rod; 12-a spring; 13-a seat ring sheath; 13.1-notch; 13.2-channel; 14-a locking pin; 14.1-cartridge; 14.2-compression spring; 14.3-ball stud; 15-locking disk.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 12. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

The utility model provides a technical scheme: a sealed toilet lid, as shown in fig. 1, 2, 3; the toilet seat comprises a connecting base 5, a seat ring 3 and a toilet cover 2, wherein the connecting base 5 is arranged in the toilet cover 2, two groups of articulated arms are arranged on the connecting base 5, and two groups are respectively arranged at two ends of the connecting base 5; each group of articulated arms comprises a lower main arm 6.1 and a lower auxiliary arm 6.2. Two groups of articulated arms are arranged on the inner wall of the toilet cover 2, the left side wall and the right side wall are respectively provided with one group, and each group of articulated arms comprises an upper main arm 6.3 and an upper auxiliary arm 6.4. The upper main arm 6.3 and the lower main arm 6.1 are arranged in a crossed mode, the waist portion of the upper main arm is hinged, the upper auxiliary arm 6.4 is hinged with the end portion of the lower main arm 6.1, the lower auxiliary arm 6.2 is hinged with the end portion of the upper main arm 6.3, the hinged point of the upper main arm 6.3 and the lower main arm 6.1 is located on the right side of the crossed point of the hinged point connecting lines of the two ends of the upper auxiliary arm and the lower main arm (compared with the angle shown in the attached drawing 2), one side, close to the upper main arm 6.3, of the upper auxiliary arm 6.4 is prevented from bending the upper main arm 6.3, one side, close to the lower main arm 6.3, of the lower auxiliary arm 6.2 is prevented from bending the lower main arm 6.1, one side, close to the lower main arm 6.1 is prevented from bending the lower main arm 6.1, the upper main arm 6.3, the lower main arm 6.1, the upper auxiliary arm 6.4 and the lower auxiliary arm 6.2 are matched with the toilet lid to lift, the toilet lid 2, the toilet lid has the motion trends of being arc-shaped and the motion track accompanied with overturning, so that the toilet lid is flush with the edge and the toilet seat edge when the toilet lid is closed, and can be opened normally. Seat circle 3 is articulated with connection base 5, and seat circle 3 can scale and contract, and seat circle 3 is accomodate in

toilet lid

2, and 2 borders of toilet lid are provided with sealing washer 4, increase the leakproofness when contacting with toilet seat.

As shown in fig. 4; the closestool cover 2 is provided with an air inlet 2.1, the air inlet 2.1 is provided with a one-way air valve 2.2, after the closestool is flushed, air enters the closestool cavity from the air inlet 2.1, the one-way air valve 2.2 is arranged, the air can only flow in one way, the pressure relief in the closestool cavity is prevented during flushing, and the air enters after flushing is finished.

As shown in fig. 10; the seat ring 3 comprises a left ring body and a right ring body, the left ring body and the right ring body are both hinged to the connecting base 5, a torsion pushing mechanism is arranged between the ring body 3.1 and the connecting base 5, and the torsion pushing mechanism is in shaft coupling with a hinged shaft of the lower main arm 6.1 or the lower auxiliary arm 6.2 on the connecting base 5, and the occupation of the front part of the closestool is reduced because the hinged shaft of the lower main arm 6.1 is arranged relatively backward and preferably in shaft coupling with the hinged shaft of the lower main arm 6.1. And a compression reset mechanism is connected between the left ring body and the right ring body, and the torsion pushing mechanism and the compression reset mechanism feed along the axial direction of the articulated shaft. When the toilet lid 2 is closed, the hinged shaft of the lower main arm 6.1 rotates, the torsion pushing mechanism pushes the left ring body and the right ring body to close, the compression resetting mechanism is compressed, and the left ring body and the right ring body are accommodated in the toilet lid 2, so that the purpose that the accommodating seat ring 3 does not interfere with the working of the sealing ring 4 is achieved; when the toilet cover 2 is opened, the hinged shaft of the lower main arm 6.1 rotates reversely, the torsion pushing mechanism does not apply force to the left ring body and the right ring body, the compression resetting mechanism is opened to push the left ring body and the right ring body away for resetting, and the left ring body and the right ring body completely cover the toilet seat ring, so that the purpose of not influencing the comfort of the toilet is achieved.

As shown in fig. 9; two ends of the connecting base 5 are provided with lower auxiliary arm hinge holes 5.2, and a transverse cylindrical cavity 5.1 is arranged in the connecting base 5.

As shown in fig. 5, 6, and 7, the torsion pushing mechanism includes a rotating part 7 and a pushing part 11, the rotating part 7 and the pushing part 11 are disposed along an axial direction of a rotating shaft of a ring body 3.1, the rotating part 7 and the pushing part 11 are disposed in a cylindrical cavity 5.1 of a connection base 5, the rotating part 7 is coupled to a hinge shaft of a lower main arm 6.1 on the connection base 5, the pushing part 11 is connected to the ring body 3.1, the pushing part 11 is fixed relative to the ring body 3.1, i.e., a square-cylinder-shaped insertion rod 11.1 extends from the pushing part 11, the insertion rod 11.1 is inserted into a square hole on the ring body 3.1, the insertion rod 11.1 penetrates out from the other end of the ring body 3.1, an end face of a cylindrical wall of the pushing part 11 is a curved surface which fluctuates along the axial direction, the rotating part 7 is connected to the end face in a matching manner, the pushing part 11 is connected to the rotating part 7 in a matching manner to form a cam pair, when the rotating part 7 rotates, the rotating part 7 slides on the end face of the pushing part 11, and then pushes the pushing part 11, The right ring body 3.1 is closed. When the rotating part 7 rotates reversely relatively, the compression reset mechanism pushes the left and right ring bodies 3.1 to deviate, and the pushing part 11 resets.

The compression reset mechanism comprises a spring 12, two ends of the spring 12 are respectively connected with the left ring body and the right ring body, and two ends of the spring 12 are respectively sleeved on the outer leakage ends of the inserted rods 11.1 on two sides. Twist reverse pushing mechanism and still include vice pushing part 9, inside lining sleeve 8, drive pipe 10, and vice pushing part 9, inside lining sleeve 8, drive pipe 10, the coaxial setting of rotating part 7, vice pushing part 9, inside lining sleeve 8, rotating part 7, drive pipe 10, pushing part 11 are put into in proper order in drum cavity 5.1. Namely, the auxiliary pushing part 9 is fixed axially and radially, the rotating part 7 is arranged between the pushing part 11 and the auxiliary pushing part 9, and the connecting rod 7.1 extends out of the rotating part 7. In the radial direction, the lining sleeve 8 is arranged between the connecting rod 7.1 and the auxiliary pushing part 9, namely the connecting rod 7.1 extends into the lining sleeve 8 in a sliding manner, and the lining sleeve 8 is in shaft coupling with the rotating part 7; the lining sleeve 8 penetrates out of the auxiliary pushing part 9 and is in shaft coupling with a hinged shaft of the lower main arm 6.1. That is, the articulated shaft of lower main arm 6.1 drives lining sleeve 8 and rotates, and lining sleeve 8 transmits torque to rotating part 7.

As shown in fig. 8; the inner wall of the transmission pipe 10 is provided with a linear groove 10.1 along the axial direction, the auxiliary pushing part 9 and the pushing part 11 are respectively inserted from two ends of the transmission pipe 10, and convex strips matched with the linear groove 10.1 are arranged on the auxiliary pushing part 9 and the pushing part 11. The auxiliary pushing part 9 and the pushing part 11 are coupled by a transmission pipe 10, and the auxiliary pushing part 9 and the pushing part 11 rotate synchronously. The inner wall of transmission pipe 10 still is provided with arc groove 10.2 along circumference, and arc groove 10.2 is located between vice promotion portion 9 and the promotion portion 11, and rotating part 7 sets up in transmission pipe 10, has on the rotating part 7 with arc groove 10.2 complex boss 7.2, so set up, avoid transmission pipe 10 in the irregular removal of axial, make it deviate from promotion portion 11 or vice promotion portion 9.

The section of thick bamboo wall terminal surface of vice promotion portion 9 is also along the curved surface of axial undulation, and the undulation of terminal surface corresponds with the terminal surface of rotating part 7, and rotating part 7 and promotion portion 11 and vice promotion portion 9 cooperation form preceding, two sets of cam pairs in back, when rotating part 7 rotates, preceding, two sets of cam pairs in back work simultaneously, promotion portion 11 reaches the twice stroke, so multiplicable left and right circle body's displacement, be convenient for accomodate in toilet lid 2, do not interfere sealing washer 4 work, when left and right circle body separates, circle body 3.1's center is on toilet seat, it is more stable when the user uses.

The working process of the torsion pushing mechanism is as follows: when the toilet lid 2 is closed, the articulated shaft of the lower main arm 6.1 rotates the lining sleeve 8 connected with the articulated shaft to transmit the torque to the rotating part 7, and the auxiliary pushing part 9 and the pushing part 11 are connected by the transmission pipe 10 and are not rotatable; when the rotating part 7 rotates, the rotating part 7 body moves and pushes the pushing part 11 due to the cam pair combined with the auxiliary pushing part 9, and the pushing part 11 also pushes relative to the rotating part 7 simultaneously because the rotating part 7 and the pushing part 11 also form the cam pair; during the movement of the rotary part 7, the torque continues during the movement because it is in sliding connection with the lining sleeve 8. Namely, when the toilet lid 2 is closed, the left ring body and the right ring body are pushed to close by the pushing part 11, and the left ring body and the right ring body are gathered and stored in the toilet lid 2 without interfering the work of the sealing ring 4, so that the integral sealing of the inner cavity of the toilet is ensured;

when the toilet cover 2 is opened, the rotating part 7, the auxiliary pushing part 9, the pushing part 11 and the lining sleeve 8 all move reversely, the compression reset mechanism pushes the left and right ring bodies away, and the left and right ring bodies reset.

The left ring piece and the right ring piece are circumferentially and relatively fixed, and when the seat ring 3 needs to be lifted, the force is applied to any one ring body 3.1, so that the seat ring 3 can be lifted integrally. As shown in fig. 10, 11; still include the seat circle sheath 13, left and right circle body passes through the seat circle sheath 13 and connects, has on the seat circle sheath 13 respectively with left and right circle body complex passageway 13.2, have on the seat circle sheath 13 and hold left and right circle body and lean on breach 13.1, the bottom of left and right circle body has the breach that holds seat circle sheath bottom plate.

When the seat ring 3 is lifted, the rotating part 7 is fixed, the pushing part 11 rotates along with the ring body 3.1, the auxiliary pushing part 9 synchronously pushes the pushing part 11 to rotate, the two ring bodies 3.1 are closed in the overturning process, and the seat ring 3 is accommodated in the toilet cover 2 after being lifted.

As shown in fig. 12, 13; the connecting base 5 is provided with a locking pin 14, the locking pin 14 is transversely arranged, the locking pin 14 comprises a box body 14.1, a pressure spring 14.2 and a ball pin 14.3 are arranged in the box body 14.1, the pressure spring 14.2 is arranged between the ball pin 14.3 and the box body 14.1, a ball head of the ball pin 14.3 extends out of the box body 14.1, a locking disc 15 is arranged on the lower main arm 6.1, the lower edge of the lower main arm 6.1 is expanded outwards to form the locking disc 15, and a circular groove matched with the ball head of the ball pin 14.3 is formed in the locking disc 15. After the toilet lid 2 is closed, the ball head of the ball head pin 14.3 is embedded into the circular groove of the locking disc 15, and the locking pin 14 prevents the toilet lid 2 from bouncing up in the flushing process; when the toilet lid is opened, the lower main arm 6.1 rotates, the ball head of the ball head pin 14.3 is separated from the circular groove, and the pressure spring 14.2 is compressed.

The utility model also provides a closestool, which comprises the sealed closestool cover, the sealed closestool cover is arranged on the closestool through the connecting base 5, after the closestool cover 2 is closed, the sealing ring 4 is attached to the closestool seat, a sealing space is formed in the closestool cavity, and when the closestool flushes water, the pressure difference formed by the pressure in the closestool cavity and the atmospheric pressure is increased, thereby achieving the purposes of saving water and improving the flushing capacity; the one-way air valve 2.2 is arranged at the air inlet 2 on the toilet cover 2, in the process of discharging excrement, indoor air flows into the toilet cavity through the one-way air valve 2.2 to gradually balance pressure difference, and the toilet cover 2 can be normally opened after the excrement is emptied. The one-way air valve 2.2 only allows indoor air to flow into the toilet cavity and does not allow air in the toilet cavity to flow out, so that the pressure in the toilet cavity is not released when the toilet is flushed, and bacteria cannot burst and flow into the room; when the closestool is empty, bacteria in the closestool cavity can not flow into the room.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A sealed toilet lid, includes connection base (5), seat circle (3), toilet lid (2), its characterized in that: the connecting base (5) is arranged in the toilet cover (2), two groups of articulated arms are arranged on the connecting base (5), and each group of articulated arms comprises a lower main arm (6.1) and a lower auxiliary arm (6.2); two groups of articulated arms are arranged on the inner wall of the toilet cover (2), each group of articulated arms comprises an upper main arm (6.3) and an upper auxiliary arm (6.4), the upper main arm (6.3) and a lower main arm (6.1) are arranged in a crossed mode, the waist parts of the upper main arm and the lower main arm are hinged, the upper auxiliary arm (6.4) is hinged with the end part of the lower main arm (6.1), the lower auxiliary arm (6.2) is hinged with the end part of the upper main arm (6.3), and the hinged points of the upper main arm (6.3) and the lower main arm (6.1) are positioned on the right side of the crossed point of the hinged point connecting lines at the two ends of each articulated arm; one side of the upper auxiliary arm (6.4) close to the upper main arm (6.3) avoids the bending of the upper main arm (6.3), and one side of the lower auxiliary arm (6.2) close to the lower main arm (6.1) avoids the bending of the lower main arm (6.1); the seat ring (3) is hinged with the connecting base (5), the seat ring (3) is accommodated in the toilet lid (2), and the edge of the toilet lid (2) is provided with a sealing ring (4); an air inlet (2.1) is arranged on the toilet lid (2), and a one-way air valve (2.2) is arranged at the air inlet (2.1).

2. A sealed toilet lid, according to claim 1, wherein: the seat ring (3) comprises a left ring body and a right ring body, the left ring body and the right ring body are hinged to the connecting base (5), a torsion pushing mechanism is arranged between the ring body (3.1) and the connecting base (5), the torsion pushing mechanism is in shaft coupling with a hinged shaft of the lower main arm (6.1) or the lower auxiliary arm (6.2) on the connecting base (5), a compression resetting mechanism is connected between the left ring body and the right ring body, and the torsion pushing mechanism and the compression resetting mechanism are axially fed along the hinged shaft.

3. A sealed toilet lid, according to claim 2, wherein: twist reverse pushing mechanism and include rotating part (7) and promotion portion (11), rotating part (7) and promotion portion (11) set up along the axial of circle body (3.1) pivot, rotating part (7) and lower main arm (6.1) or lower auxiliary arm (6.2) articulated shaft coupling on connection base (5), promotion portion (11) are connected with circle body (3.1), promotion portion (11) are fixed for circle body (3.1), promotion portion (11) are connected the cooperation with rotating part (7) and are formed the cam pair.

4. A sealed toilet lid, according to claim 3, wherein: the torsion pushing mechanism further comprises an auxiliary pushing part (9), a lining sleeve (8) and a transmission pipe (10), wherein the pushing part (11), the auxiliary pushing part (9), the transmission pipe (10), a rotating part (7) and the lining sleeve (8) are coaxially arranged, the auxiliary pushing part (9) is axially and radially fixedly arranged, the rotating part (7) is arranged between the pushing part (11) and the auxiliary pushing part (9), and a connecting rod (7.1) extends out of the rotating part (7); in the radial direction, the lining sleeve (8) is arranged between the connecting rod (7.1) and the auxiliary pushing part (9), and the lining sleeve (8) is coupled with the rotating part (7) through a shaft; the lining sleeve (8) penetrates out of the auxiliary pushing part (9) and is in shaft coupling with a hinged shaft of the lower main arm (6.1) or the lower auxiliary arm (6.2); the inner wall of the transmission pipe (10) is provided with linear grooves (10.1) along the axial direction, the auxiliary pushing portion (9) and the pushing portion (11) are inserted from the two ends of the transmission pipe (10) respectively, convex strips matched with the linear grooves (10.1) are arranged on the auxiliary pushing portion (9) and the pushing portion (11), arc-shaped grooves (10.2) are further formed in the inner wall of the transmission pipe (10) along the circumferential direction, the arc-shaped grooves (10.2) are located between the auxiliary pushing portion (9) and the pushing portion (11), the rotating portion (7) is arranged in the transmission pipe (10), bosses (7.2) matched with the arc-shaped grooves (10.2) are arranged on the rotating portion (7), the rotating portion (7) is matched with the auxiliary pushing portion (9) of the pushing portion (11) to form a front cam pair and a rear cam pair, and the high points of the two cam pairs correspond to each other.

5. A sealed toilet lid, according to claim 2, wherein: the left ring piece and the right ring piece are circumferentially and relatively fixed.

6. A sealed toilet lid, according to claim 5, wherein: the compression reset mechanism comprises a spring (12), and two ends of the spring (12) are respectively connected with the left ring body and the right ring body.

7. A sealed toilet lid, according to claim 6, wherein: still include seat circle sheath (13), left and right circle body passes through seat circle sheath (13) to be connected, has on seat circle sheath (13) respectively with left and right circle body complex passageway (13.2), has on seat circle sheath (13) and holds left and right circle body and lean on breach (13.1), the bottom of left and right circle body has the breach that holds seat circle sheath bottom plate.

8. A sealed toilet lid, according to claim 7, wherein: the locking device is characterized in that a locking pin (14) is arranged on the connecting base (5), the locking pin (14) is transversely arranged, the locking pin (14) comprises a box body (14.1), a pressure spring (14.2) and a ball pin (14.3) are arranged in the box body (14.1), the pressure spring (14.2) is arranged between the ball pin (14.3) and the box body (14.1), a ball head of the ball pin (14.3) extends out of the box body (14.1), a locking disc (15) is arranged on the lower main arm (6.1), and a circular groove matched with the ball head of the ball pin (14.3) is formed in the locking disc (15).

9. A sealed toilet lid, according to claim 4, wherein: the connecting base (5) is provided with a cylinder cavity (5.1), and the auxiliary pushing part (9), the lining sleeve (8), the transmission pipe (10), the rotating part (7) and the pushing part (11) are arranged in the cylinder cavity (5.1).

10. A toilet, characterized in that: comprising a sealed toilet lid according to any of claims 1-9, which is mounted on the toilet bowl by means of a connection base (5).