EP3097834A1

EP3097834A1 - Hinged flip cover mechanism of toilet seat cover

Info

Publication number: EP3097834A1
Application number: EP15740488.0A
Authority: EP
Inventors: Feiyu Li; Lianjin CHEN
Original assignee: Individual
Current assignee: Xiamen Axent Corp Ltd
Priority date: 2014-01-23
Filing date: 2015-01-22
Publication date: 2016-11-30
Also published as: CN104799753B; CN104799753A; US20170007083A1; EP3097834A4; WO2015110036A1

Abstract

A hinged flip cover mechanism of a toilet seat cover, comprising a seat, a toilet seat cover and hinge modules (3); the toilet seat cover is connected to the seat via the hinge modules (3); when the toilet seat cover is flipped open, a gap between the toilet seat cover and the seat is gradually increased with the flip angle, and when the toilet seat cover is closed, the gap between the toilet seat cover and the seat is gradually reduced with the closing angle; the hinge modules comprise a first hinge crank (32) and a second hinge crank (33); the first end of the first hinge crank (32) is slidably fit to the rear part of the toilet seat cover, and the second end of the first hinge cranks (32) is rotatably connected to the rear part of the toilet seat cover; and the middle part of the first hinge crank (32) is pivotally connected to the middle part of the second hinge crank (33). The device has a small overall height and supports small-gap flipping, and has a toilet seat cover with a neat overall appearance, has a small footprint, and is easy to clean.

Description

Filed of the invention

The present invention relates to a toilet, especially to a hinged flip cover mechanism of toilet seat cover.

Background of the invention

Existing toilet seat covers mostly apply with gear case to drive it to flip. One toilet seat cover is as figured in FIG.1, a toilet rear cover 2' is disposed at the rear side of the toilet upper cover 1', the gear case 3' is assembled to the rear cover 2', the output shaft is rotatably connected to the rear portion of the toilet upper cover 1'. However, this kind of toilet seat cover has high height and it occupies large gap. Another toilet seat cover is figured in FIG.2 and FIG.3, it differs from the toilet seat cover in FIG.1 in that: the gear case 3' is assembled at the outer side of the toilet rear cover 2', a rack 4' is disposed to couple to the gear case 3' to drive the toilet upper cover 1' to flip. This kind of toilet seat cover of FIG.2 although has low height, the gap A between the toilet upper cover 1' and the toilet rear cover 2' is large before the toilet upper cover 1' is flipped up, the gap A is used to prevent block between the toilet upper cover 1' and the toilet rear cover 2' during the lifting, the gap A not only influences the appearance of the toilet seat cover, but also goes against the simple appearance and the clean work of the toilet seat cover.

Summary of the invention

The present invention is provided to overcome the disadvantages of the existing known technology and to provide with a hinged flip cover mechanism of toilet seat cover, which has low height and small gap between the toilet seat cover and the main body before the toilet seat cover is flipped up.
The technical proposal of the present invention is that: A hinged flip cover mechanism of toilet seat cover, comprising a main body and a toilet seat cover, wherein further comprising a hinge module, the toilet seat cover is connected to the main body via the hinge module, when the toilet seat cover is flipped up, the gap between the seat cover and the main body is gradually increased during the lifting of the seat cover, when the seat cover is closed, the gap between the seat cover and the main body is gradually decreased during the closing of the seat cover.
In another preferred embodiment, the hinge module comprises a first hinge crank and a second hinge crank, the first hinge crank is disposed with a first end and a second end, the first end of the first hinge crank is slidably coupled to the rear portion of the toilet seat cover, the second end of the first hinge crank is rotatably connected to the main body; the second hinge crank is disposed with a first end and a second end, the first end of the second hinge crank is slidably coupled to the main body, the second end of the second hinge crank is rotatably connected to the rear portion of the toilet seat cover; the central portions of the first hinge crank and the second hinge crank are pivoted to each other.
In another preferred embodiment, the hinge module comprises a front support base, a rear support base, a first hinge crank and a second hinge crank, the front support base is assembled to the rear portion of the toilet seat cover, the rear support base is assembled to the main body, the first hinge crank is disposed with a first end and a second end, the first end of the first hinge crank is slidably coupled to the front support base, the second end of the first hinge crank is rotatably connected to the rear support base, the second hinge crank is disposed with a first end and a second end, the first end of the second hinge crank is slidably coupled to the rear support base, the second end of the second hinge crank is rotatably connected to the front support base, the central portions of the first hinge crank and the second hinge crank are pivoted to each other.
In another preferred embodiment, further comprising a driving mechanism, the driving mechanism is connected to the first hinge crank or the second hinge crank in driving way to drive the hinge module to flip up or close the toilet seat cover.
In another preferred embodiment, further comprising a driving mechanism, the driving mechanism is connected between the toilet seat cover and the main body in driving way to drive the hinge module to flip up or close the toilet seat cover.
In another preferred embodiment, the rear portion of the toilet seat cover is disposed with two axial sliding grooves in left-right position at the portion assembling the hinge module, the front portion of the main body is disposed with two axial sliding grooves in left-right position at the portion assembly the hinge module, the first end of the first hinge crank and the second hinge crank are respectively disposed with a sliding shaft, two ends of the slide shaft of the first hinge crank are respectively slidably disposed in the two axial sliding grooves of the toilet seat cover, two ends of the sliding shaft of the second hinge crank are respectively slidably disposed in the two axial sliding grooves of the main body.
In another preferred embodiment, the front support base and the rear support base are respectively disposed with a chamber in the axial direction, two opposite side walls of the chamber of the front support base are respectively disposed with an axial sliding groove, two opposite side walls of the chamber of the rear support base are respectively disposed with an axial sliding groove, the first end of the first hinge crank and the second hinge crank are respectively disposed with a sliding shaft, two ends of the sliding shaft of the first hinge crank are respectively slidably disposed in the two axial sliding grooves of the chamber of the front support base, so that the first hinge crank is able to insert to the chamber of the front support base and extend out of the chamber of the front support base, two ends of the sliding shaft of the second hinge crank are respectively slidably disposed in the two axial sliding grooves of the rear support base, so that the second hinge crank is able to insert to the chamber of the rear support base and extend out of the chamber of the rear support base.
In another preferred embodiment, the driving mechanism comprises a driving gear and a rack, the rear is slidably forward and backward assembled to the main body, the first end of the rack is rotatably connected to the first end of the second hinge crank, the driving gear is engaged to the rack.
In another preferred embodiment, the driving mechanism comprises a driving gear and a rack, the rear is slidably forward and backward assembled to the toilet seat cover, one end of the rack is rotatably connected to the first end of the first hinge crank; the driving gear is engaged to the rack.
In another preferred embodiment, the driving mechanism comprises a driving shaft, the driving shaft is linked to the second end of the first hinge rank coaxially; the hinge flip mechanism further comprises a gear case, the output shaft of the gear case is the driving shaft, or the output shaft of the gear case is fixedly connected to the driving shaft.
In another preferred embodiment, the driving mechanism comprises a driving shaft, the driving shaft is coaxially linked to the second end of the first hinge crank, the hinge flip mechanism further comprises a slow-down mechanism, the output shaft of the slow-down mechanism is the driving shaft, or the output shaft of the slow-down mechanism is fixedly connected to the driving shaft.
In another preferred embodiment, the driving mechanism comprises a driving shaft, the driving shaft is coaxially linked to the second end of the second hinge crank, the hinge flip mechanism further comprises a gear case, the output shaft of the gear case is the driving shaft, or the output shaft of the gear case is fixedly connected to the driving shaft.
In another preferred embodiment, the driving mechanism comprises a driving shaft, the driving shaft is coaxially linked to the second end of the second hinge crank, the hinge flip mechanism further comprises a slow-down mechanism, the output shaft of the slow-down mechanism is the driving shaft, or the output shaft of the slow-down mechanism is fixedly connected to the driving shaft.
In another preferred embodiment, further comprising a gear case or a slow-down mechanism, the driving gear is assembled to the output shaft of the gear case or the slow-down mechanism.
In another preferred embodiment, further comprising a gear case or a slow-down mechanism, the driving gear is assembled to the output shaft of the gear case or the slow-down mechanism.
In another preferred embodiment, the driving mechanism comprises a chain wheel and a chain, one end of the chain is connected to the rear portion of the toilet seat cover, the rest portion of the chain is movably forward and backward placed in the main body; the chain wheel is engaged to the chain.
In another preferred embodiment, further comprising a gear case or a slow-down mechanism, the chain wheel is assembled to the output shaft of the gear case or the slow-down mechanism.
In another preferred embodiment, the main body is a toilet rear cover, the toilet seat cover comprises a toilet upper cover and/or toilet seat.
Compared to the existing known technology, the present invention has advantages as follows:

1. With the hinge module to connect the toilet seat cover and the main body, when the toilet seat cover is flipped up, the gap between the toilet seat cover and the main body is gradually increased during the lifting, when closing the toilet seat cover, the gap between the toilet seat cover and the main body is gradually decreased during closing. So that small gap is formed between the toilet seat cover and the main body before the toilet seat cover is flipped up, therefore, the present invention has low height, it is flipped up in small gap and no block exists during the lifting, so that the toilet cover has simple appearance, occupies small gap and is easy to clean.
2. The hinge module is preferred disposed with a first hinge crank and a second hinge crank, the front support base is assembled to the rear portion of the toilet seat cover, the first end of the first hinge crank is slidably coupled to the front support base, the second end of the first hinge crank is rotatably connected to the rear support base, the first end of the second hinge crank is slidably coupled to the rear support base, the second end of the second hinge crank is rotatably connected to the front support base, the bending position of the first hinge crank and the second hinge crank are facing down and pivoted to each other, so that the present invention has advantages: the hinge module has compact structure, it rotates with stability, the hinge module is modularized that it is benefit for mass manufacturing.
3. The driving mechanism is coupled to a gear case or a slow-down mechanism for driving the toilet seat cover to flip, the present invention has electric-control function or slow-down function.

Brief description of the drawings

FIG.1 illustrates a sectional diagram of a toilet seat cover of the existing known technology.
FIG.2 illustrates a schematic diagram of a second toilet seat cover of the existing known technology.
FIG.3 illustrates a sectional diagram of the second toilet seat cover of the existing known technology.
FIG.4 illustrates an exploded diagram of a first embodiment of the present invention.
FIG.5 illustrates an exploded diagram of the hinge module of the first embodiment of the present invention.
FIG.6 illustrates a schematic diagram of the first embodiment of the present invention when the toilet seat cover is closed.
FIG.7 illustrates a schematic diagram of the first embodiment of the present invention when the toile seat cover is flipped up.
FIG.8 illustrates a schematic diagram of the motion of the hinge module of the first embodiment of the present invention when the toilet seat cover is closed.
FIG.9 illustrates a schematic diagram of the motion of the first embodiment of the present invention when the toilet seat cover is being flipped.
FIG.10 illustrates a schematic diagram of the motion of the first embodiment of the present invention when the toilet seat cover is flipped up to its plate.
FIG.11 illustrates a sectional diagram of a second embodiment of the present invention.
FIG.12 illustrates a sectional diagram of a third embodiment of the present invention.
FIG.13 illustrates a sectional diagram of a forth embodiment of the present invention.
FIG.14 illustrates a sectional diagram of a fifth embodiment of the present invention.
FIG.15 illustrates a schematic diagram of a sixth embodiment of the present invention.
FIG.16 illustrates a schematic diagram of a seventh embodiment of the present invention.

Detailed description of the embodiments

The first embodiment

Please referring to FIGs 4∼10, the hinged flip cover mechanism of toilet seat cover of the present invention comprises a main body and a toilet seat cover, it further comprises two hinge modules 3 (the number of the hinge module 3 is not limited, one or more than two are available). The main body is preferred the toilet rear cover 2 (it can be also the toilet seat), the toilet seat cover comprises a toilet upper cover 1 (the toietl seat cover can further comprise a toilet seat, or in other case, the toilet seat cover comprises the toilet upper cover and the toilet seat),the toilet upper cover 1 is connected to the toilet rear cover 2 by the two hinge modules 3, when the toilet upper cover is flipped up, the gap between the toilet upper cover 1 and the toilet rear cover 2 is gradually increased during the lifting of the seat cover. When closing the toilet seat cover, the gap between the toilet seat cover and the main body is gradually decreased during the closing of the toilet seat cover.
Preferred, each hinge module 3 comprises a front support base 31, a rear support base 34, a first hinge crank 32 and a second hinge crank 33. The front support bases 31 of the two hinge module 3 are respectively assembled to the rear portion of the toilet upper cover 1, in detailed, two front support bases 31 are respectively assembled to the left and right ends of the internal side of the rear portion of the toilet upper cover 1; two rear support bases 34 of the two hinge modules 3 are respectively assembled to the toilet rear cover 2 corresponding to the two front support bases 31. in each hinge module 3, the first hinge crank 32 is disposed with a first end and a second end, the first end of the first hinge crank 32 is slidably coupled to the front support base 31, the second end of the first hinge crank 32 is rotatably connected to the rear support base 34, the second hinge crank 33 is disposed with a first end and a second end, the first end of the second hinge crank 33 is slidably coupled to the rear support base 34, the second end of the second hinge crank 33 is rotatably connected to the front support base 31, the bending position (that is the central position) of the first hinge crank 32 and the second hinge crank 33 are facing upward and pivoted to each other.
In detailed, in each hinge module 3, the front support base and the rear support base 34 are respectively disposed with a chamber with two ends throughout along the axial direction, two opposite side walls of the chamber are respectively disposed with an axial sliding groove, in detailed, two axial sliding groove 35 of the chamber of the front support base 31 are respectively disposed with an open front end and a closing rear end, to prevent the sliding shaft 37 of the first hinge crank 32 from escaping from the rear end of the axial sliding groove 35; in the same way, two axial sliding grooves 36 of the chamber of the rear support base 34 are respectively disposed with an opening rear end and a closing front end to prevent the sliding shaft 38 of the second hinge crank 33 from escaping from the front end of the axial sliding groove 36. The first end of the first hinge crank 32 and the second hinge crank 33 are respectively disposed with a sliding shaft 37, 38, two ends of the sliding shaft 37 of the first hinge crnak 32 are respectively slidably coupled to the two axial sliding grooves 35 of the chamber of the front support base 31, so that the first hinge crank 32 can insert to the chamber of the front support base 31 or extend out of the chamber of the front support base 31; two ends of the second hinge crank 33 are respectively slidably coupled to the two axial sliding grooves 36 of the chamber of the rear support base 34, so that the second hinge crank 33 can insert to the chamber of the rear support base 34 or extend out of the chamber of the rear support base 34.
As a preferred embodiment, there are two parallel second hinge cranks 33, the first hinge crank 32 is disposed between the two second hinge cranks 33.
Preferred, the other end of the first hinge crank 32 and the second hinge crank 33 are respecitlvey disposed with a rotating shaft 39, 310 rotatably assembled to the opposite internal top portion of the front support base 31 and the rear support base 34, therein, the second end of the two second hinge cranks 33 share a same rotating shaft 310, the first end of the two second hinge cranks 33 share a same sliding shaft 38.
Preferred, the present invention further comprises a driving mechanism, which is connected to one of the second hinge cranks 33 in driving way. In detailed, the driving mechanism comprises a driving gear 41 and a rack 5, the rack is slidably forward and backward assembled to the toilet rear cover 2 (in detailed, a rack lower cover 7 is applied to assemble a rack support base 6 to the toilet rear cover 2, the internal portion of the rack support base 6 is disposed with a sliding rail, the rack 5 is slidably coupled to the sliding rail). The rack 5 is coupled to the rear portion of the second hinge rack 33, one end (the front end of the rack 5) is rotatably connected to the first end of the second hinge rack 33, the end of the rack 5 is disposed with a shaft sleeve, the shaft sleeve is movably sleeved on the sliding shaft 38 of the first end of the second hinge crank 33. the driving gear 41 is engaged to the rack 5.
Preferred, the present invention further comprises a gear case 4, which is assembled to the toilet rear cover 2, the driving gear 41 is assembled to the output shaft of the gear case 4. a motor is applied to drive the gear case 4, therefore the present invention has electronic-control flip function.
The hinged flip cover mechanism of toilet seat cover of the present invention is provided that, as figured in FIG.8, before the toilet upper cover 1 is flipped, the first hinge crank 32 is embedded to the front support base 31, the second hinge crank 33 is embedded to the rear support base 34, a small gap is disposed between the toilet upper cover 1 and the toilet rear cover 2. when driving the gear case 4, the driving gear 41 drives the rack 5 to move forward, the sliding shaft 38 of the first end of the second hinge crank 33 is pushed by the rack 5 to move forward along the two axial sliding grooves 36 of the chamber of the rear support base 34, so that the front support base 31 is pushed to move forward; during the front support base 31 moving forward, the first hinge crank 32 rotates, the sliding shaft 37 at the first end moves backward along the two axial sliding grooves 35 of the chamber of the front support base 31 to push the front support base 31 to flip up, as figured in FIG.9. As the front support base 31 is assembled to the toilet upper cover 1, the toilet upper cover 1 also moves forward and is flipped up. As figured in FIG.10, when the sliding shafts 37, 38 of the first end of the first hinge crank 32 and the second hinge crank 33 slide to their position, the first hinge crank 32 and the second hinge crank 33 respectively extend out of the front support base 31 and the rear support base 34, a bigger gap is formed between the front support base 31 and the rear support base 34, and the front support base 31 offsets upward to a preset angle (the preset angle is 90°or larger than 90°).
As the front support base 31 is assembled to the toilet upper cover 1, the toilet upper cover 1 is flipped up to the preset angle.
When rotating the gear case 4 reversely, the driving gear 41 drives the rack 5 to move backward, the sliding shaft 38 of the first end of the second hinge crank 33 is pulled by the rack 5 to move backward along the two axial sliding grooves 36 of the chamber of the rear support base 34 so as to drive the front support base 31 to move backward; during the front support base 31 moving backward, the first hinge crank 32 rotates reversely, the sliding shaft 37 of the first end moves forward along the two axial sliding grooves 35 of the chamber of the front support base, so that the front support base 31 gradually drops down. Finally, the first hinge crank 32 and the second hinge crank 33 are placed to the front support base 31 and the rear support base 34, the front support base 31 and the rear support base 34 have a small gap therebetween, as figured in FIG.8.

The second embodiment:

As figured in FIG.11, the hinged flip cover mechanism of toilet seat cover of this embodiment differs from the first embodiment in that: the driving mechanism comprises a driving shaft, the driving shaft is coaxially linked to the second end of the first hinge crank 32; it further comprises a gear case 8, which is assembled to the toilet rear cover 2, the output shaft of the gear case 8 forms the driving shaft. Or in other case, a slow-down mechanism replaces the gear case, the output shaft of the slow-down mechanism forms the driving shaft.
The hinged flip cover mechanism of toilet seat cover of this embodiment is provided that when the gear case 8 drives the second end of the first hinge crank 32 to rotate in the counter-clockwise direction, the first hinge crank 32 drives the front support base 31 to move forward and flip upward, at the same time, the second hinge crank 33 gradually extends out of the rear support base. When the gear case 4 drives the second end of the first hinge crank 32 to rotate in the clockwise direction, the first hinge crank 32 drives the front support base 31 to move backward and flip down, at the same time, the second hinge crank 33 is gradually placed to the rear support base 34, that is the flipping process of the toilet upper cover 1.

The third embodiment:

As figured in FIG.12, the hinged flip cover mechanism of toilet seat cover of this embodiment differs from the second embodiment in that: the driving shaft is coaxially linked to the second end of the second hinge crank 33. in the same way, the output put of the gear case 8 (or the slow-down mechanism) is the driving shaft, or the gear case 8 (or the slow-down mechanism) is fixedly connected to the driving shaft.
The hinged flip cover mechanism of toilet seat cover of this embodiment is provided that: when the gear case 8 drives the second end of the second hinge crank 33 to rotate in the counter-clockwise direction, the sliding shaft of the first end of the second hinge crank 33 moves forward along the two axial sliding grooves of the chamber of the rear support base 34 so as to push the front support base 31 to move forward; during the front support base 31 moving forward, the first hinge crank 32 rotates, the sliding shaft 37 at the first end moves backward along the two axial sliding grooves of the chamber of the front support base 31 to push the front support base 31 to flip up.
Conversely, when the gear case 8 drives the second end of the second hinge crank 33 to rotate in the clockwise direction, the sliding shaft of the first end of the second hinge crank 33 moves backward along the two axial sliding grooves of the chamber of the rear support base 34 so as to drive the front support base 31 to move backward; during the front support base 21 moving forward, the first hinge crank 32 rotates reversely, and the sliding shaft of the first end moves forward along the two axial sliding grooves of the chamber of the front support base 31, so that the front support base 31 gradually drops down, that is the flipping process of the toilet upper cover 1.

The fourth embodiment:

As figured in FIG.13, the hinged flip cover mechanism of toilet seat cover of this embodiment differs from the first embodiment in that: the rack 5 is slidably forward and backward assembled to the toilet upper cover 1, one end of the rack 5 is rotatably connected to the first end of the first hinge crank 32; the driving gear 41 is engaged to the rack 5. similar to the first embodiment, it can apply with the gear case (or the slow-down mechanism) to drive the driving gear 41 to rotate.
when driving the gear case (or the slow-down mechanism), the driving gear 41 drives the rack 5 to move toward the rear portion of the toilet upper cover 1, the sliding shaft of the first end of the first hinge crank 32 is pushed by the rack 5 to move backward along the two axial sliding grooves of the chamber of the front support base 31, at the same time, the second hinge crank 33 rotates, the sliding shaft at one end moves forward along the two axial sliding grooves of the chamber of the rear support base 34 to push the front support base 31 to move forward and flip up. When driving the gear case (or the slow-down mechanism) reversely, the driving gear 41 drives the rack 5 to move reversely, the sliding shaft of the first end of the first hinge crank 32 is pulled by the rack 5 to move forward along the two axial sliding grooves of the chamber of the front support base 31, at the same time, the sliding shaft of the first end of the second hinge crank 33 moves backward along the two axial sliding grooves of the chamber of the rear support base 34 so as to drive the front support base 31 to move backward and flip down, that is the flipping process of the toilet upper cover 1.

The fifth embodiment:

As figured in FIG.14, the hinged flip cover mechanism of toilet seat cover of the present invention differs from above mentioned embodiments in that: the driving mechanism comprises a chain wheel 9 and a chain 10, one end of the chain 10 is connected to the rear portion of the toilet upper cover 1, the rest part of the chain 10 is slidably forward and backward placed in the toilet rear cover 2 (in detailed, it is placed in the sliding rail of the toilet rear cover 2 disposing the chain 10); the chain wheel 9 is engaged to the chain 10.
Similar to above mentioned embodiments, it can also apply with the gear case (or the slow-down mechanism), the chain wheel 9 is assembled to the output shaft of the gear case (or the slow-down mechanism).
The hinged flip cover mechanism of toilet seat cover of this embodiment is provided that, when driving the gear case (or the slow-down mechanism), the chain wheel 9 drives the chain 10 to move toward the front portion of the toilet upper cover 1, the sliding shaft of the first end of the first hinge crank 32 moves backward along the two axial sliding grooves of the chamber of the front support base 31, the sliding shaft of one end of the second hinge crank 33 moves forward along the two axial sliding grooves of the chamber of the rear support base 34 so as to push the front support base 31 to move forward and flip up. When driving the gear case (or the slow-down mechanism) reversely, the chain wheel 9 drives the chain 10 to move reversely, the sliding shaft of the first end of the first hinge crank 32 moves forward along the two axial sliding grooves of the chamber of the front support base 31, the sliding shaft of the first end of the second hinge crank 33 moves backward along the two axial sliding grooves of the chamber of the rear support base 34 so as to drive the front support base 31 to move backward and flip down, that is the flipping process of the toilet upper cover 1.

The sixth embodiment:

As figured in FIG.15, the hinged flip cover mechanism of toilet seat cover of this embodiment differs from the first embodiment in that: the hinge module comprises a first hinge crank 32 and a second hinge crank 33, the first hinge crank 32 is disposed with a first end and a second end, the first end of the first hinge crank 32 is slidably coupled to the rear portion of the toilet upper cover, the second end of the first hinge crank 32 is rotatably connected to the toilet rear cover 2; the second hinge crank 33 is disposed with a first end and a second end, the first end of the second hinge crank 33 is slidably coupled to the toilet rear cover 1, the second end of the second hinge crank 33 is rotatably connected to the rear portion of the toilet upper cover 1; the central portion of the first hinge crank 32 and the second hinge crank 33 are pivoted to each other.
In detailed, the left and right side of the rear portion of the toilet upper cover 1 are respectively disposed with two left and right axial sliding grooves 11 with at least the rear end closed, the left and right side of the front portion of the toilet rear cover 2 are disposed with two left and right axial sliding grooves 21 with at least the front end closed, the first end of the first hinge crank 32 and the second hinge crank 33 are respectively disposed with a sliding shaft (not figured out in FIG.15), two ends of the sliding shaft of the first hinge crnak 32 of each hinge module are respectively slidably coupled to the two axial sliding grooves 11 at the same side of the toilet upper cover, two ends of the sliding shaft of the second hinge crank 33 of each hinge module are respectively slidably coupled to the two axial sliding grooves 21 at the same side of the toilet rear cover.
The flipping process of the toilet upper cover 1 of this embodiment is similar to the first embodiment that it would not be further described hereafter.

The seventh embodiment:

As figured in FIG.16, the hinged flip cover mechanism of toilet seat cover of this embodiment differs from the first embodiment in that: it comprises a slow-down mechanism 101 to replace the gear case 4 of the first embodiment, the driving gear 41 is assembled to the output shaft of the slow-down mechanism 101. With the slow-down mechanism, the toilet upper cover 1 of the present invention has slow-down function.
Although the present invention has been described with reference to the preferred embodiments thereof for carrying out the patent for invention, it is apparent to those skilled in the art that a variety of modifications and changes may be made without departing from the scope of the patent for invention which is intended to be defined by the appended claims.

Industrial applicability

The present invention is provided with a flip mechanism that a small gap is formed between the toilet seat cover and the main body before the toilet seat cover is flipped up, therefore, the present invention has low height, it is lifting in small gap and no block exists during the lifting, so that the toilet cover has simple appearance, occupies small gap and is easy to clean.

Claims

A hinged flip cover mechanism of toilet seat cover, comprising a main body and a toilet seat cover, wherein further comprising a hinge module, the toilet seat cover is connected to the main body via the hinge module, when the toilet seat cover is flipped up, the gap between the seat cover and the main body is gradually increased during the lifting of the seat cover, when the seat cover is closed, the gap between the seat cover and the main body is gradually decreased during the closing of the seat cover.
The hinged flip cover mechanism of toilet seat cover according to claim 1, wherein the hinge module comprises a first hinge crank and a second hinge crank, the first hinge crank is disposed with a first end and a second end, the first end of the first hinge crank is slidably coupled to the rear portion of the toilet seat cover, the second end of the first hinge crank is rotatably connected to the main body; the second hinge crank is disposed with a first end and a second end, the first end of the second hinge crank is slidably coupled to the main body, the second end of the second hinge crank is rotatably connected to the rear portion of the toilet seat cover; the central portions of the first hinge crank and the second hinge crank are pivoted to each other.
The hinged flip cover mechanism of toilet seat cover according to claim 1, wherein the hinge module comprises a front support base, a rear support base, a first hinge crank and a second hinge crank, the front support base is assembled to the rear portion of the toilet seat cover, the rear support base is assembled to the main body, the first hinge crank is disposed with a first end and a second end, the first end of the first hinge crank is slidably coupled to the front support base, the second end of the first hinge crank is rotatably connected to the rear support base, the second hinge crank is disposed with a first end and a second end, the first end of the second hinge crank is slidably coupled to the rear support base, the second end of the second hinge crank is rotatably connected to the front support base, the central portions of the first hinge crank and the second hinge crank are pivoted to each other.
The hinged flip cover mechanism of toilet seat cover according to claim 2 or claim 3, wherein further comprising a driving mechanism, the driving mechanism is connected to the first hinge crank or the second hinge crank in driving way to drive the hinge module to flip up or close the toilet seat cover.
The hinged flip cover mechanism of toilet seat cover according to claim 2 or claim 3, wherein further comprising a driving mechanism, the driving mechanism is connected between the toilet seat cover and the main body in driving way to drive the hinge module to flip up or close the toilet seat cover.
The hinged flip cover mechanism of toilet seat cover according to claim 2, wherein the rear portion of the toilet seat cover is disposed with two axial sliding grooves in left-right position at the portion assembling the hinge module, the front portion of the main body is disposed with two axial sliding grooves in left-right position at the portion assembly the hinge module, the first end of the first hinge crank and the second hinge crank are respectively disposed with a sliding shaft, two ends of the slide shaft of the first hinge crank are respectively slidably disposed in the two axial sliding grooves of the toilet seat cover, two ends of the sliding shaft of the second hinge crank are respectively slidably disposed in the two axial sliding grooves of the main body.
The hinged flip cover mechanism of toilet seat cover according to claim 3, wherein the front support base and the rear support base are respectively disposed with a chamber in the axial direction, two opposite side walls of the chamber of the front support base are respectively disposed with an axial sliding groove, two opposite side walls of the chamber of the rear support base are respectively disposed with an axial sliding groove, the first end of the first hinge crank and the second hinge crank are respectively disposed with a sliding shaft, two ends of the sliding shaft of the first hinge crank are respectively slidably disposed in the two axial sliding grooves of the chamber of the front support base, so that the first hinge crank is able to insert to the chamber of the front support base and extend out of the chamber of the front support base, two ends of the sliding shaft of the second hinge crank are respectively slidably disposed in the two axial sliding grooves of the rear support base, so that the second hinge crank is able to insert to the chamber of the rear support base and extend out of the chamber of the rear support base.
The hinged flip cover mechanism of toilet seat cover according to claim 4, wherein the driving mechanism comprises a driving gear and a rack, the rear is slidably forward and backward assembled to the main body, the first end of the rack is rotatably connected to the first end of the second hinge crank, the driving gear is engaged to the rack.
The hinged flip cover mechanism of toilet seat cover according to claim 4, wherein the driving mechanism comprises a driving gear and a rack, the rear is slidably forward and backward assembled to the toilet seat cover, one end of the rack is rotatably connected to the first end of the first hinge crank; the driving gear is engaged to the rack.
The hinged flip cover mechanism of toilet seat cover according to claim 4, wherein the driving mechanism comprises a driving shaft, the driving shaft is coaxially linked to the second end of the first hinge rank; the hinge flip mechanism further comprises a gear case, the output shaft of the gear case is the driving shaft, or the output shaft of the gear case is fixedly connected to the driving shaft.
The hinged flip cover mechanism of toilet seat cover according to claim 4, wherein the driving mechanism comprises a driving shaft, the driving shaft is coaxially linked to the second end of the first hinge crank, the hinge flip mechanism further comprises a slow-down mechanism, the output shaft of the slow-down mechanism is the driving shaft, or the output shaft of the slow-down mechanism is fixedly connected to the driving shaft.
The hinged flip cover mechanism of toilet seat cover according to claim 4, wherein the driving mechanism comprises a driving shaft, the driving shaft is coaxially linked to the second end of the second hinge crank, the hinge flip mechanism further comprises a gear case, the output shaft of the gear case is the driving shaft, or the output shaft of the gear case is fixedly connected to the driving shaft.
The hinged flip cover mechanism of toilet seat cover according to claim 4, wherein the driving mechanism comprises a driving shaft, the driving shaft is coaxially linked to the second end of the second hinge crank, the hinge flip mechanism further comprises a slow-down mechanism, the output shaft of the slow-down mechanism is the driving shaft, or the output shaft of the slow-down mechanism is fixedly connected to the driving shaft.
The hinged flip cover mechanism of toilet seat cover according to claim 8, wherein further comprising a gear case or a slow-down mechanism, the driving gear is assembled to the output shaft of the gear case or the slow-down mechanism.
The hinged flip cover mechanism of toilet seat cover according to claim 9, wherein further comprising a gear case or a slow-down mechanism, the driving gear is assembled to the output shaft of the gear case or the slow-down mechanism.
The hinged flip cover mechanism of toilet seat cover according to claim 5, wherein the driving mechanism comprises a chain wheel and a chain, one end of the chain is connected to the rear portion of the toilet seat cover, the rest portion of the chain is movably forward and backward placed in the main body; the chain wheel is engaged to the chain.
The hinged flip cover mechanism of toilet seat cover according to claim 16, wherein further comprising a gear case or a slow-down mechanism, the chain wheel is assembled to the output shaft of the gear case or the slow-down mechanism.
The hinged flip cover mechanism of toilet seat cover according to claim 1, wherein the main body is a toilet rear cover, the toilet seat cover comprises a toilet upper cover and/or toilet seat.