CN212317081U - Water seal volume adjustable toilet without water tank - Google Patents

Abstract

The invention relates to a water seal amount adjustable toilet without a water tank, which comprises a toilet shell, an inner container and a water pipe flushing mechanism, wherein the inner container is arranged in the toilet shell, a sewage discharge mechanism is connected below a sewage discharge outlet of the inner container, the water pipe flushing mechanism comprises a flow valve, and a rotating shaft of the flow valve is connected with an adjusting mechanism for controlling the closing speed of the flow valve. The adjusting mechanism is arranged, the rotating disc is linked with the rotating shaft of the flow valve, and in the resetting process, the rotating disc is under the action of friction force, so that the resetting time of the flow valve is prolonged, and the water sealing amount is increased. The friction assembly can realize radial movement, and the friction force can be adjusted according to needs, so that the closing time of the flow valve is adjusted, and the water seal height is controlled according to needs. The outer diameter of the body at the joint of the rotating disc and the friction part is slightly larger, so that the effects of fast flushing and slow water stopping can be achieved, and the water seal height can be better controlled under the condition of reducing the resistance to the sewage discharge mechanism. Belongs to the technical field of toilet bowls.

Description

Water seal volume adjustable toilet without water tank

Technical Field

The utility model belongs to the technical field of the toilet bowl, especially, relate to a can set for water seal volume adjustable no water tank toilet bowl of toilet bowl water seal height as required.

Background

The water tank-free pedestal pan on the current market cancels the traditional pedestal pan water tank, adopts the natural water direct flushing mode to wash, and the pressure of the sprayed tap water is large, thereby having the advantages of good cleaning effect, less water consumption and the like. The flushing mode of the water tank of the toilet bowl determines that the height of the water seal of the toilet bowl is different after cleaning is finished, even the industrial requirement cannot be met, after the toilet bowl is cleaned, the height of the water seal of the toilet bowl is generally controlled to be 50-100mm, and the height of the water seal determines the deodorizing, insect-preventing and bacterium-preventing effects of the toilet bowl. At present, after a toilet without a water tank is closed to a discharge (sewage) valve, a flushed tap water flow valve (angle valve) is also closed immediately, and the fact that a sufficient water sealing amount exists after the toilet is flushed is difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the water seal amount adjustable toilet without the water tank is provided, and the closing speed of a flow valve of a water pipe is delayed to adjust the water seal amount of the toilet.

The utility model adopts the technical proposal that: the utility model provides a water seal volume adjustable no water tank toilet bowl, includes that toilet bowl casing, inner bag, water pipe wash the mechanism, and the inner bag is arranged in the toilet bowl casing, and inner bag drain below is connected with the drainage mechanism, and the water pipe washes the mechanism and includes the flow valve, and the pivot of flow valve is connected with the adjustment mechanism who is used for controlling the flow valve closing speed.

The adjusting mechanism comprises an installation ring and a rotating disk which is used for being linked with the rotating shaft of the flow valve, the rotating disk is rotatably arranged in the installation ring and is connected with a reset assembly which can drive the rotating disk to rotate and reset, and a friction assembly for adjusting the reset speed of the rotating disk is arranged between the installation ring and the rotating disk.

The friction assembly moves radially and is limited on the mounting ring circumferentially.

The inner ring of the mounting ring radially forms a limiting groove, and the friction assembly is assembled in the limiting groove.

The friction assembly comprises an adjusting bolt, a radial movement part and a friction part which are arranged from outside to inside, the adjusting bolt is in threaded connection outside the mounting ring, the inner end of the adjusting bolt radially penetrates through the mounting ring body and the limiting groove and then abuts against the radial movement part, and the friction part abuts against the rotating disk.

The contact surface of the friction part and the rotating disk is in a circular arc shape matched with the outer contour shape of the rotating disk.

The outer diameter of the body at the joint of the rotating disc and the friction part is larger than that of the body at other positions of the rotating disc.

The reset assembly is a clockwork spring.

The mounting ring and the rotating disk are further provided with an assembling ring, a counter bore is axially formed in the assembling ring, the rotating disk is arranged in the counter bore, a shaft hole convenient for the flow valve rotating shaft to penetrate is formed in the counter bore, and the assembling ring is radially provided with a notch groove for the friction assembly to radially penetrate.

The friction components are two groups and are symmetrically arranged on the mounting ring.

A pedal mechanism for controlling the opening and closing of a valve of the sewage draining mechanism is arranged in the toilet bowl shell, and a gear is arranged on a rotating shaft of the sewage draining mechanism; the pedal mechanism comprises a pedal, an extension rod, a pedal rod, a support and a rack, the pedal rod and the support are arranged in a base of the toilet shell, the support is fixed on the base of the toilet shell, the pedal rod is hinged on the support, a through groove is formed in the side wall of the base of the shell, the extension rod penetrates through the through groove, and the outer end of the extension rod extends out of the base of the shell and is connected with the pedal; the inner end of the extension rod is axially provided with a splicing hole, the extension rod is hollowed on one wall of the splicing hole to form a spring sheet, the outer end of the pedal rod is matched in the splicing hole, a groove is formed in the contact surface of the outer wall of the pedal rod and the spring sheet, and the free end of the spring sheet is abutted in the groove; the inner end of the pedal lever is hinged with the lower end of the rack, and the rack is meshed with the gear; the gear is connected with the rotating disk through a link mechanism, and the rotating disk is linked with the gear through the link mechanism.

The technical effects of the utility model are that: 1. the utility model discloses set up adjustment mechanism, through the pivot linkage of rotary disk and flow valve, the in-process that resets, the rotary disk receives the effect of frictional force, has prolonged the flow valve reset time, increases the water seal volume. 2. The friction assembly can realize radial movement, and the friction force can be adjusted according to needs, so that the closing time of the flow valve is adjusted, and the water seal height is controlled according to needs. 3. The outer diameter of the body at the joint of the rotating disc and the friction part is slightly larger, so that the effects of fast flushing and slow water stopping can be achieved, and the water seal height can be better controlled under the condition of reducing the resistance to the sewage discharge mechanism.

Preferably, the friction assembly moves radially and is limited on the mounting ring circumferentially. Radial extrusion friction sets up, and it is better to compare in axial extrusion friction setting friction effect, and the simultaneous processing assembly is all more simple and convenient.

Preferably, the inner ring of the mounting ring radially forms a limiting groove, and the friction assembly is assembled in the limiting groove, so that the processing is convenient.

Preferably, the friction assembly comprises an adjusting bolt, a radial movement part and a friction part which are arranged from outside to inside, the adjusting bolt is screwed outside the mounting ring, the inner end of the adjusting bolt radially penetrates through the mounting ring body and the limiting groove and then abuts against the radial movement part, and the friction part abuts against the rotating disk. The change of frictional force can be realized by the rotatory adjusting bolt in the outside, convenient operation, and when the wearing and tearing back of friction portion, also convenient change friction portion simultaneously.

Preferably, the contact surface of the friction part and the rotating disk is in a circular arc shape matched with the outer contour shape of the rotating disk. The contact surface is arc-shaped, the area of the friction surface is larger, and the rotating speed is more uniform in the resetting process of the rotating disk.

As an improvement, the outer diameter of the body at the joint of the rotating disc and the friction part is larger than the outer diameter of the body at other positions of the rotating disc. When the flow valve is opened, namely when the rotating disk or the rotating shaft of the flow valve is driven by external force, after the part with the larger outer diameter of the rotating disk is separated from the friction part, the friction force between the part with the smaller outer diameter of the rotating disk and the friction part is reduced, and the resistance generated by the rotating disk is reduced at the moment. When the external force is cancelled, the flow valve starts to be closed under the action of the return spring, and the speed is higher when the first half of the rotation of the rotating disc is subjected to small resistance of the friction part; in the second half of the rotation of the rotating disk, the part with the large outer diameter of the rotating disk plays a role, the resistance of the friction part is large, and the resetting speed of the rotating disk is slow.

Preferably, the reset assembly is a clockwork spring. The spring generates torsion on the plane of the spring, and the stability is better.

As an improvement, an assembly ring is further arranged between the mounting ring and the rotating disk, a counter bore is axially formed in the assembly ring, the rotating disk is arranged in the counter bore, a shaft hole through which a rotating shaft of the flow valve can conveniently penetrate is formed in the counter bore, and a notch groove through which the friction assembly can radially penetrate is radially formed in the assembly ring. The arrangement of the assembling ring facilitates the installation of the reset spring and the connection and installation between the rotating shaft of the flow valve and the rotating disk.

Preferably, the friction components are arranged on the mounting ring in two groups and symmetrically. The friction stress of the rotating disk is more balanced.

As an improvement, a driving rod which synchronously and circumferentially rotates with the rotating disc is connected outside the rotating disc. External force is conveniently applied to the rotating disc to control the opening of the flow valve.

As an improvement, a pedal mechanism for controlling the opening and closing of a valve of the sewage draining mechanism is arranged in the toilet bowl shell, and a gear is arranged on a rotating shaft of the sewage draining mechanism; the pedal mechanism comprises a pedal, an extension rod, a pedal rod, a support and a rack, the pedal rod and the support are arranged in a base of the toilet shell, the support is fixed on the base of the toilet shell, the pedal rod is hinged on the support, a through groove is formed in the side wall of the base of the shell, the extension rod penetrates through the through groove, and the outer end of the extension rod extends out of the base of the shell and is connected with the pedal; the inner end of the extension rod is axially provided with a splicing hole, the extension rod is hollowed on one wall of the splicing hole to form a spring sheet, the outer end of the pedal rod is matched in the splicing hole, a groove is formed in the contact surface of the outer wall of the pedal rod and the spring sheet, and the free end of the spring sheet is abutted in the groove; the inner end of the pedal lever is hinged with the lower end of the rack, and the rack is meshed with the gear; the gear is connected with the rotating disk through a link mechanism, and the rotating disk is linked with the gear through the link mechanism. Through pedal mechanism and link mechanism, realized that sewage discharging mechanism opens the water pipe mechanism of washing by water simultaneously, when sewage discharging mechanism closed, the water pipe mechanism of washing by water slowly closed to this reaches and improves the water seal height.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is an internal schematic view of the present invention.

Fig. 3 is an internal schematic view of the present invention.

Fig. 4 is a partially enlarged view of fig. 3.

Fig. 5 is a partial schematic view of the present invention.

Fig. 6 is a schematic perspective view of the adjusting mechanism of the present invention.

Fig. 7 is a front view of the adjusting mechanism of the present invention.

Fig. 8 is a rear view of the adjusting mechanism of the present invention.

Fig. 9 is a schematic diagram of the adjusting mechanism of the present invention in a partially exploded manner.

Fig. 10 is a schematic view of the adjusting mechanism mounting ring of the present invention.

FIG. 11 is a schematic view of a friction assembly.

Fig. 12 is an exploded view of the friction assembly of the adjustment mechanism of the present invention.

Fig. 13 is a schematic view of the reset assembly positioned on the rear side of the rotating disk.

Fig. 14 is a schematic view of the adjusting mechanism of the present invention in combination with a driving rod.

Fig. 15 is a schematic view of the adjusting mechanism of the present invention combining the rotating shaft and the driving rod.

FIG. 16 is a schematic view showing a state where the rotary plate is coupled to the rotary shaft.

FIG. 17 is a schematic view showing a state where the rotary plate is coupled to the rotary shaft.

FIG. 18 is a schematic view of the pedal mechanism.

FIG. 19 is a schematic view of the pedal mechanism.

FIG. 20 is a schematic view of the pedal mechanism.

Fig. 21 is an enlarged view at a in fig. 20.

FIG. 22 is a schematic view of the pedal mechanism.

FIG. 23 is a schematic view of the pedal mechanism.

FIG. 24 is a schematic view of the foot pedal mechanism rubber.

FIG. 25 is a schematic view of the pedal mechanism.

FIG. 26 is a schematic structural view of the footrest mechanism.

FIG. 27 is a schematic view of the pedal mechanism.

FIG. 28 is a schematic view of the foot bar.

In the figure, 1, a shell base, 1.1, a through groove, 1.2, a water collecting area, 1.3, a water outlet, 2, a pedal, 3, a pedal rod, 3.1, a groove, 3.2, a bolt, 3.3, a roller, 3.4, a parallel rod, 3.5, a cross rod, 4, a support, 5, an extension rod, 5.1, a plug hole, 5.2, an elastic sheet, 6 rubber pieces, 7, a flow valve, 8, a water pipe flushing mechanism, 9, an inner container, 10, a toilet shell, 11, a mounting ring, 11.1, a limiting groove, 12, a rotating disk, 13, a reset component, 14, a friction component, 14.1, an adjusting bolt, 14.2, a radial movement part, 14.3, a friction part, 15, an assembly ring, 15.1, a counter bore, 15.2, a rotating rod, 15.3, a notch groove, 16, a connecting rod mechanism, 16.1, a connecting rod, 16.2, a first rotating rod, 16.3, a second rotating rod, 16.4, a rotating shaft, 17.18, a rotating shaft, a gear, a rack mechanism, a drain.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-28: an embodiment, a water seal volume adjustable no water tank toilet bowl, includes toilet bowl casing 10, inner bag 9, water pipe flushing mechanism 8, and in toilet bowl casing 10 was arranged in to inner bag 9, 9 drain below on the inner bag was connected with sewage discharge mechanism 18, and water pipe flushing mechanism 8 includes flow valve 7, and what flow valve 7 adopted in this embodiment is the angle valve. The flow valve spindle 17 is connected to an adjusting mechanism for controlling the closing speed of the flow valve 7. The adjusting mechanism in the embodiment comprises a mounting ring 11 and a rotating disk 12 which is used for being linked with a rotating shaft 17 of the flow valve, wherein the rotating disk 12 is rotatably arranged in the mounting ring 11 and is connected with a resetting component 13 which can drive the rotating disk 12 to rotate and reset; the outer contour of the rotating disc 12 is circular, a mounting hole is formed in the mounting ring 11, and the rotating disc 12 is mounted in the mounting hole; and a friction assembly 14 for adjusting the reset speed of the rotating disc 12 is arranged between the mounting ring 11 and the rotating disc 12. In the embodiment, the friction assembly 14 moves radially and is circumferentially restrained on the mounting ring 11. It is meant that the friction pack 14 is radially movable, but circumferentially limited. Specifically, a limit groove 11.1 is formed in the radial direction of the inner ring of the mounting ring 11, and the friction component 14 is assembled in the limit groove 11.1. In this embodiment, the limiting groove 11.1 directly and axially penetrates through two end faces of the mounting ring 11, and may of course only penetrate through the end face of the mounting ring 11 body on the same side as the outer end face of the rotating disk 12. That is, as shown in fig. 10.

In this embodiment, as shown in fig. 11 and 12, the friction assembly 14 includes an adjusting bolt 14.1, a radial moving portion 14.2, and a friction portion 14.3, which are arranged from outside to inside, the adjusting bolt 14.1 is screwed outside the mounting ring 11, an inner end of the adjusting bolt 14.1 radially penetrates through the body of the mounting ring 11 and the limiting groove 11.1 and then abuts against the radial moving portion 14.2, and the radial moving portion 14.2 abuts against the adjusting bolt 14.1 and is provided with a concave pit; the friction portion 14.3 abuts against the rotary disk 12. In an embodiment, the radial moving part 14.2 and the friction part 14.3 are formed separately. Of course, the radial movement part 14.2 and the friction part 14.3 can also be formed in one piece. The purpose of the split molding in this embodiment is to facilitate replacement of the friction portion 14.3, and the friction portion 14.3 is made of rubber, silica gel or the like. In the present embodiment, the friction part 14.3 is made of silicone.

In this embodiment, in order to improve the returning stability of the rotary disk 12, the contact surface of the friction portion 14.3 and the rotary disk 12 is in the shape of an arc matching the outer contour of the rotary disk 12. Meanwhile, the friction assemblies 14 are arranged on the mounting ring 11 in two groups and symmetrically.

In this embodiment, the outer diameter of the body at the joint of the rotating disc 12 and the friction part 14.3 is larger than the outer diameter of the body at other positions of the rotating disc 12. When the flow valve is opened, that is, when the rotating disc 12 or the rotating shaft of the flow valve is driven by an external force, after the part with the larger outer diameter of the rotating disc 12 is separated from the friction part 14.3, the friction force between the part with the smaller outer diameter of the rotating disc 12 and the friction part 14.3 is reduced, and at this time, the resistance generated by the rotating disc 12 is reduced. When the external force is cancelled, the flow valve starts to reset and close under the action of the reset spring, and the first half of the rotation of the rotating disc 12 is subjected to the small resistance of the friction part 14.3 and the speed is high; in the second half of the rotation of the rotary disk 12, the part of the rotary disk 12 having a large outer diameter is acted, and the resistance of the friction portion 14.3 is large, so that the return speed of the rotary disk 12 is slow. After the utility model is applied to the toilet, the effects of fast flushing and slow water cut-off can be achieved.

In the embodiment, the reset component 13 is a clockwork spring, one end of the clockwork spring is connected with a rotating shaft (also a flow valve rotating shaft) of the rotating disk 12, the other end of the clockwork spring is connected with the inner wall of the assembling ring 15, and the rotating disk 12 is positioned outside the reset component 13; in another embodiment, it can be connected to the inner wall of the mounting ring 11. When the spring is attached to the inner wall of the fitting 15, the spring is located inside the fitting 15. The return assembly 13 may also be a torsion spring, or other spring capable of generating a return force.

In another embodiment, an assembly ring 15 is further arranged between the mounting ring 11 and the rotating disk 12, a counter bore 15.1 is axially formed in the assembly ring 15, the rotating disk 12 is placed in the counter bore 15.1, a shaft hole 15.2 through which a rotating shaft of the flow valve can pass is formed in the counter bore 15.1, and a notch groove 15.3 through which the friction assembly 14 can radially pass is radially formed in the assembly ring 15.

In another embodiment, a pedal mechanism for controlling the opening and closing of a valve of the sewage draining mechanism 18 is arranged in the toilet bowl shell 10, and a gear 18.1 is arranged on a rotating shaft of the sewage draining mechanism 18; the pedal mechanism comprises a pedal 2, a pedal rod 3, a support 4, an extension rod 5 and a rack 19, the pedal rod 3 and the support 4 are arranged in a shell base 1 of a toilet shell 10, the support 4 is fixed on the shell base 1, the pedal rod 3 is hinged on the support 4, a through groove 1.1 is formed in the side wall of the shell base 1, the extension rod 5 penetrates through the through groove 1.1, and the outer end of the extension rod 5 extends out of the shell base 1 and is connected with the pedal 2; an inserting hole 5.1 is axially formed at the inner end of the extension rod 5, an elastic sheet 5.2 is hollowed out on one wall of the extending rod 5 at the position of the inserting hole 5.1, the outer end of the pedal rod 3 is matched in the inserting hole 5.1, a groove 3.1 is formed at the contact surface of the outer wall of the pedal rod 3 and the elastic sheet 5.2, and the free end of the elastic sheet 5.2 is abutted in the groove 3.1; the inner end of the pedal rod 3 is hinged with the lower end of a rack 19, and the rack 19 is meshed with a gear 18.1; the gear 18.1 is connected with the rotating disc 12 through the link mechanism 16, and the rotating disc 12 is linked with the gear 18.1 through the link mechanism 16.

In another embodiment, the housing base 1 forms a water collecting area 1.2 around the inner side of the through groove 1.1, and the housing base 1 is provided with a water outlet 1.3 at the bottom of the water collecting area 1.2. The inner end of the pedal lever 3 is provided with a bolt 3.2, and the bolt 3.2 is sleeved with a roller 3.3. The inner end of the pedal lever 3 is generally connected with a control part of the drain valve, and the arrangement of the roller 3.3 reduces the abrasion between the inner end of the pedal lever 3 and the control part and also reduces the noise. As shown in fig. 28, the pedal lever 3 includes two parallel levers 3.4 and a cross lever 3.5 for connecting the two parallel levers 3.4, and both the two parallel levers 3.4 are matched with a support 4 and hinged with the support 4. The drain valve of general sanitary bath equipment is more back, adopts the mode of two parallel poles to realize the transmission power, can design into some by the front side of sanitary bath equipment with the footboard, and convenience of customers tramples. As shown in fig. 19, the control member (i.e., rack 19) of the drain valve is not coaxial with the extension rod 5, and the pedal rod 3 is designed to be the mechanism in order to allow the pedal 2 to be mounted on the extension rod 5 and then to be closer to the front side of the sanitary ware.

In another embodiment, the link mechanism 16 includes a connecting rod 16.1, a first rotating rod 16.2, and a second rotating rod 16.3, the first rotating rod 16.2 is linked with the rotating disk 12, the second rotating rod 16.3 is linked with the gear 18.1, one end of the connecting rod 16.1 is hinged with the free end of the second rotating rod 16.3, the other end of the connecting rod 16.1 is provided with a chute 16.4, the free end of the first rotating rod 16.2 is movably matched in the chute 16.4, and both realize one-way limiting, which means that when the flow valve 7 is opened, the connecting rod 16.1 can push the second rotating rod 16.2 to rotate; after the flushing is finished, the connecting rod 16.1 can not drive the second rotating rod 16.2 to rotate when the reset is carried out.

The working principle of the utility model is that the pedal 2 is treaded to drive the rack 19 to move upwards, the rack 19 drives the gear 18.1 to rotate, and the sewage draining mechanism is opened; the gear 18.1 rotates and simultaneously drives the rotating disc 12 to rotate through the connecting rod 16.1 on the connecting rod mechanism 16, the rotating disc 12 is connected with the rotating shaft 17 of the flow valve 7 to drive the rotating shaft 17 to rotate, the flow valve 7 is opened, and flushing is achieved. When the flushing is completed, the pedal 2 is released, the sewage draining mechanism is closed, the connecting rod 16.1 of the connecting rod mechanism 16 is reset, and the first rotating rod 16.2 connected with the rotating disc 12 is reset together with the connecting rod 16.1 and lags behind the resetting of the connecting rod 16.1. At the moment, the reset component 13 (a clockwork spring) resets to drive the rotating shaft 17 of the flow valve 7 to rotate, the rotating disk 12 rotates along with the rotating shaft, the closing time of the flow valve 7 is slowed down under the action of the friction component 14, the water pipe flushing mechanism 8 continues to discharge water, and the pollution discharge mechanism 18 is closed at the moment, so that the water sealing amount is increased. In addition, the friction force of the friction assembly 14 can be adjusted according to the requirement, the water yield can be adjusted, and the purpose of adjusting the height of the water seal is achieved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a water seal volume adjustable no water tank toilet bowl, includes toilet bowl casing (10), inner bag (9), water pipe flushing mechanism (8), and in toilet bowl casing (10) were arranged in inner bag (9), inner bag (9) drain below was connected with sewage discharging mechanism (18), and water pipe flushing mechanism (8) include flow valve (7), its characterized in that: the rotating shaft (17) of the flow valve is connected with an adjusting mechanism for controlling the closing speed of the flow valve (7).

2. The water seal amount adjustable water tank-free toilet bowl according to claim 1, wherein: the adjusting mechanism comprises an installation ring (11) and a rotating disk (12) which is used for being linked with a rotating shaft (17) of the flow valve, the rotating disk (12) is rotatably arranged in the installation ring (11) and is connected with a reset component (13) which can drive the rotating disk (12) to rotate and reset, and a friction component (14) for adjusting the reset speed of the rotating disk (12) is arranged between the installation ring (11) and the rotating disk (12).

3. The water seal amount adjustable water tank-free toilet bowl according to claim 2, wherein: the friction assembly (14) moves radially and is limited on the mounting ring (11) in the circumferential direction.

4. The water seal amount adjustable water tank-free toilet bowl according to claim 3, characterized in that: the inner ring of the mounting ring (11) radially forms a limiting groove (11.1), and the friction component (14) is assembled in the limiting groove (11.1).

5. The tankless toilet of any of claims 2-4, wherein the volume of water seal is adjustable by: the friction assembly (14) comprises an adjusting bolt (14.1), a radial movement part (14.2) and a friction part (14.3) which are arranged from outside to inside, the adjusting bolt (14.1) is screwed outside the mounting ring (11), the inner end of the adjusting bolt (14.1) radially penetrates through the body of the mounting ring (11) and the limiting groove (11.1) and then abuts against the radial movement part (14.2), and the friction part (14.3) abuts against the rotating disk (12).

6. The water seal amount adjustable water tank-free toilet bowl according to claim 5, wherein: the contact surface of the friction part (14.3) and the rotating disk (12) is in a circular arc shape matched with the outer contour shape of the rotating disk (12).

7. The water seal amount adjustable water tank-free toilet bowl according to claim 5, wherein: the outer diameter of the body at the joint of the rotating disk (12) and the friction part (14.3) is larger than the outer diameter of the body at other positions of the rotating disk (12).

8. The water seal amount adjustable water tank-free toilet bowl according to claim 2, wherein: the mounting ring (11) and the rotary disk (12) are provided with an assembling ring (15) therebetween, the assembling ring (15) is axially provided with a counter bore (15.1), the rotary disk (12) is arranged in the counter bore (15.1), the counter bore (15.1) is provided with a shaft hole (15.2) through which a rotating shaft of the flow valve can pass conveniently, and the assembling ring (15) is radially provided with a notch groove (15.3) through which the friction component (14) can radially pass.

9. The water seal amount adjustable water tank-free toilet bowl according to claim 2, wherein: a pedal mechanism for controlling the opening and closing of a valve of the sewage discharging mechanism (18) is arranged in the toilet bowl shell (10), and a gear (18.1) is arranged on a rotating shaft of the sewage discharging mechanism (18); the pedal mechanism comprises a pedal (2), a pedal rod (3), a support (4), an extension rod (5) and a rack (19), the pedal rod (3) and the support (4) are arranged in a shell base (1) of a toilet shell (10), the support (4) is fixed on the shell base (1), the pedal rod (3) is hinged on the support (4), a through groove (1.1) is formed in the side wall of the shell base (1), the extension rod (5) penetrates through the through groove (1.1), and the outer end of the extension rod (5) extends out of the shell base (1) and is connected with the pedal (2); an inserting hole (5.1) is axially formed at the inner end of the extension rod (5), an elastic sheet (5.2) is hollowed out on one wall of the extending rod (5) at the inserting hole (5.1), the outer end of the pedal rod (3) is matched in the inserting hole (5.1), a groove (3.1) is formed at the contact surface of the outer wall of the pedal rod (3) and the elastic sheet (5.2), and the free end of the elastic sheet (5.2) is abutted in the groove (3.1); the inner end of the pedal rod (3) is hinged with the lower end of the rack (19), and the rack (19) is meshed with the gear (18.1); the gear (18.1) is connected with the rotating disc (12) through a link mechanism (16), and the rotating disc (12) is linked with the gear (18.1) through the link mechanism (16).

10. The tankless toilet of claim 9, wherein the water seal volume is adjustable by: link mechanism (16) include connecting rod (16.1), first dwang (16.2), second dwang (16.3), first dwang (16.2) and rotary disk (12) linkage, second dwang (16.3) and gear (18.1) linkage, the one end and the second dwang (16.3) free end of connecting rod (16.1) are articulated, the other end of connecting rod (16.1) is equipped with spout (16.4), first dwang (16.2) free end clearance fit is in spout (16.4).

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