CN215687385U

CN215687385U - Locking assembly and closestool

Info

Publication number: CN215687385U
Application number: CN202120399646.7U
Authority: CN
Inventors: 任世松; 蔡两泉; 吕永隆
Original assignee: Xiamen Beewill Sanitary Co Ltd
Current assignee: Xiamen Beewill Sanitary Co Ltd
Priority date: 2020-12-08
Filing date: 2021-02-23
Publication date: 2022-02-01
Anticipated expiration: 2031-02-23
Also published as: CN113143088A

Abstract

The utility model discloses a locking assembly, which comprises a flexible connecting piece and a fixing piece, wherein the flexible connecting piece is connected with the fixing piece; one end of the flexible connecting piece is connected with the fixing piece, the flexible connecting piece is linked with the fixing piece, and the flexible connecting piece is provided with a limiting structure for preventing the fixing piece from moving. The utility model also discloses a closestool which comprises the locking assembly and can quickly fix the fixing piece so as to be convenient for installing the support and realize quick disassembly and replacement of the cover plate. Through application of force in flexible connection spare, can order about the stationary blade and remove to make the stationary blade support by on bearing the piece, if support by closestool body one side, simultaneously, limit structure prevents that the stationary blade from removing, so it can be fixed the stationary blade fast, so that the installation.

Description

Locking assembly and closestool

Technical Field

The utility model relates to the technical field of fixing devices, in particular to a locking assembly and a closestool.

Background

When the apron of installation closestool, need attach the subassembly with the help of the lock and install the apron on the closestool main part, current lock attaches the combination that the subassembly is mostly expansion bolts and screw rod. When the cover plate is installed, firstly, expansion bolts made of plastics or rubber materials are installed in the preformed holes of the toilet main body, then, the screw penetrates through the installation support and is connected with the expansion bolts to fix the installation support of the cover plate, and finally, the rotating shaft of the cover plate is connected with the installation support to complete rotatable installation of the cover plate. Wherein, expansion bolts is mostly working of plastics or rubber spare, and long-time use can produce the creep, becomes not hard up, fragile when moreover roughly installing.

In order to solve the problems, the existing locking assembly has a part which is a metal locking assembly, however, the metal locking assembly does not have the function of quick installation or quick disassembly, and is easy to damage due to improper installation, and meanwhile, the metal locking assembly is difficult to disassemble without violence, and is easy to damage due to disassembly.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above. To this end, it is an object of the present invention to provide a locking assembly that can quickly secure a fastening sheet for ease of installation.

The second purpose of the utility model is to provide a toilet bowl, which comprises a locking assembly, wherein the locking assembly can quickly fix a fixing sheet so as to facilitate the installation of a support and realize the quick disassembly and replacement of a cover plate.

In order to achieve the above object, an embodiment of a first aspect of the present invention provides a locking assembly, including a flexible connecting member and a fixing sheet;

one end of the flexible connecting piece is connected with the fixing piece, the flexible connecting piece is linked with the fixing piece, and the flexible connecting piece is provided with a limiting structure for preventing the fixing piece from moving.

According to the locking assembly provided by the embodiment of the utility model, the fixing sheet can be driven to move by applying force on the flexible connecting piece, so that the fixing sheet is abutted against the bearing piece, such as one side of the closestool body, and meanwhile, the limiting structure prevents the fixing sheet from moving, so that the fixing sheet can be quickly fixed for convenient installation.

Further, the device also comprises a hole plug; the other end of the flexible connecting piece penetrates through the hole plug and can drive the fixing piece to be close to the hole plug, and a limiting structure for preventing the fixing piece from being far away from the hole plug is arranged on the hole plug or the flexible connecting piece and the hole plug.

Furthermore, a limiting strip is arranged on the hole plug, one end of the limiting strip is elastically connected with the side wall of the hole plug, and a limiting channel for inserting the flexible connecting piece is formed between the limiting strip and the side wall of the hole plug; the limiting strip is provided with a plurality of first unidirectional teeth, and each first unidirectional tooth comprises a first sliding surface and a first abutting surface; the flexible connecting piece is provided with a plurality of second unidirectional teeth, each second unidirectional tooth comprises a second sliding surface and a second abutting surface, the second sliding surfaces can slide along the first sliding surfaces, and the second sliding surfaces slide to the end parts of the first sliding surfaces along the first sliding surfaces to generate sudden jump so that the second abutting surfaces abut against the first abutting surfaces; the limiting structure is the matching of the first one-way tooth and the second one-way tooth.

Furthermore, the other end of the limiting strip protrudes out of the hole plug to form a pressing part, and the pressing part is pressed to change the width of the limiting channel.

Furthermore, the fixing sheet is provided with a through hole; one end of the flexible connecting piece is provided with a limiting block, and the other end of the flexible connecting piece penetrates through the through hole in the fixing piece, so that the limiting block is abutted against the fixing piece.

Further, the flexible connecting pieces are arranged in two or more than two.

Furthermore, the limiting structure is a limiting ball which is arranged at one end of the flexible connecting piece far away from the fixing piece; or the limiting structure is a flexible connecting piece made of foldable metal materials.

Furthermore, limit structure is the flexure strip, flexure strip one end and stopple lateral wall elastic connection, and the flexure strip other end forms the male socket of confession flexonics spare with stopple lateral wall, and the width of socket is less than flexonics spare's width.

Further, the fixing piece is connected with the fixing piece through the hole plug.

In order to achieve the above object, a toilet according to a second aspect of the present invention is provided, which includes the above locking assembly, and further includes: the support is arranged on the closestool main body by virtue of the locking assembly; the cover plate is arranged on the support.

According to the toilet disclosed by the embodiment of the utility model, the support is arranged on the toilet main body through the locking assembly, and the cover plate is arranged on the support. Wherein, through application of force in flexible connectors, can order about the stationary blade and be close to the stopple to make the stationary blade support and lean on in closestool body one side, simultaneously, limit structure prevents that the stationary blade from keeping away from the stopple, and consequently it can be fixed the stationary blade fast, so that the installation.

Drawings

FIG. 1 is a schematic structural diagram of a locking assembly according to a first embodiment;

FIG. 2 is a schematic structural diagram of a locking assembly according to a second embodiment;

FIG. 3 is an exploded view of the locking assembly of the third embodiment;

fig. 4 is a schematic structural diagram of a limiting structure according to a third embodiment;

FIG. 5 is a schematic view showing the connection between the flexible connecting member and the fixing sheet according to the third embodiment;

FIG. 6 is another schematic view of the flexible connecting member and the fixing sheet according to the third embodiment;

FIG. 7 is a schematic structural view of a locking assembly according to a fourth embodiment;

FIG. 8 is a schematic structural view of a fifth embodiment of a locking assembly;

FIG. 9 is a schematic structural view of a toilet bowl according to a seventh embodiment;

FIG. 10 is a schematic view showing the fastening sheet of the seventh embodiment passing through the fastening hole;

FIG. 11 is a schematic view showing a structure in which a hole plug of the seventh embodiment is provided at a side portion of a toilet bowl;

FIG. 12 is a schematic structural view of a fixing mount according to the seventh embodiment;

FIG. 13 is a schematic structural view showing a locked state of the stand according to the seventh embodiment;

fig. 14 is a schematic structural view of a reset takeout state of the locking assembly of the seventh embodiment.

Description of the reference symbols

Flexible connecting piece 1 of locking assembly 10

Stopper 11 fixing piece 2

Through hole 21 and threaded hole 22

Limiting structure 3 limiting strip 31

First one-way tooth 311 first sliding surface 3111

First abutting surface 3112 pressing part 312

Limiting channel 32 and second one-way teeth 33

Second sliding surface 331 hole plug 4

Fastener 5 toilet body 20

Mounting hole 201 support 30

A cover plate 40.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

Example one

As shown in fig. 1, a locking assembly 10 according to an embodiment of the present invention includes a flexible connecting member 1 and a fixing plate 2; one end of the flexible connecting piece 1 is connected with the fixing piece 2, the flexible connecting piece 1 is linked with the fixing piece 2, and the flexible connecting piece 1 is provided with a limiting structure 3 for preventing the fixing piece 2 from moving. Through application of force in flexonics spare 1, can order about stationary blade 2 and remove to make stationary blade 2 support and lean on bearing the piece, if support and lean on in closestool body 20 one side, simultaneously, limit structure 3 prevents that stationary blade 2 from removing, so it can be fast with stationary blade 2 fixed, so that the installation.

It should be noted that the carrier is not limited to the toilet body 20, and may be other members, such as a mounting plate on a table, and the toilet body 20 is taken as an example in the following embodiments.

In this example, limit structure 3 is spacing ball, spacing ball sets up the one end of keeping away from stationary blade 2 at flexonics spare 1, wherein, it can be provided with spacing hole if on closestool body 20 to hold carrier, when stationary blade 2 is fixed in closestool body 20 one side, the mounting hole 201 of closestool body 20 is passed in the slope of stationary blade 2, then just, because flexonics spare 1 one end is connected with stationary blade 2, flexonics spare 1 links with stationary blade 2, flexonics spare 1 keeps away from the one end of stationary blade 2 and sets up spacing ball, spacing ball card on the flexonics spare 1 is gone into spacing downthehole, in order to prevent that stationary blade 2 from removing, realize spacing stationary blade 2.

Example two

As shown in fig. 2, a locking assembly 10 according to a second embodiment of the present invention includes a flexible connecting member 1 and a fixing plate 2; one end of the flexible connecting piece 1 is connected with the fixing piece 2, the flexible connecting piece 1 is linked with the fixing piece 2, and the flexible connecting piece 1 is provided with a limiting structure 3 for preventing the fixing piece 2 from moving. Through application of force in flexonics spare 1, can order about stationary blade 2 and remove to make stationary blade 2 support and lean on bearing the piece, if support and lean on in closestool body 20 one side, simultaneously, limit structure 3 prevents that stationary blade 2 from removing, so it can be fast with stationary blade 2 fixed, so that the installation.

In this example, limit structure 3 is flexible connecting piece 1 of collapsible metal material, when the stationary blade 2 is fixed in closestool body 20 one side, the mounting hole 201 of closestool body 20 is passed in the slope of stationary blade 2, then just, just back, folding flexible connecting piece, if bend 90 degrees, can make flexible connecting piece 1 of folding back tip support and lean on closestool body 20, in order to prevent that stationary blade 2 from removing, realize spacing stationary blade 2, wherein, closestool body 20 can be provided with the spacing groove, flexible connecting piece 1 of folding back tip is arranged in the spacing groove, prevent to rock, improve stability.

The flexible connecting piece 1 made of the foldable metal material is preferably made of aluminum or tinplate, the flexible connecting piece 1 made of the aluminum or tinplate has certain hardness, and can be bent under the action of external force to realize limiting.

EXAMPLE III

As shown in fig. 3 to 6, a locking assembly 10 according to a third embodiment of the present invention includes a flexible connecting member 1, a fixing plate 2 and a hole plug 4; the 1 one end of flexonics spare is connected with stationary blade 2, and the hole stopper 4 is passed to the 1 other end of flexonics spare, and flexonics spare 1 links with stationary blade 2 to can order about stationary blade 2 and be close to hole stopper 4, be equipped with on hole stopper 4 or flexonics spare 1 and the hole stopper 4 and prevent that stationary blade 2 from keeping away from hole stopper 4 limit structure 3. Through application of force in flexible connection piece 1, can order about stationary blade 2 and be close to hole stopper 4 to make stationary blade 2 support and lean on bearing the piece, if support and lean on in closestool body 20 one side, simultaneously, limit structure 3 prevents that stationary blade 2 from keeping away from hole stopper 4, and consequently it can be fast fixed stationary blade 2, so that the installation.

When being fixed in closestool body 20 one side with stationary blade 2, stationary blade 2 passes closestool body 20 back, pulling flexonics spare 1 to make flexonics spare 1 drive the motion of stationary blade 2, and make stationary blade 2 be close to hole stopper 4, and when being located closestool body 20 one side, then, limit structure 3 prevents that stationary blade 2 from keeping away from hole stopper 4, consequently can be fast fixed stationary blade 2, so that erection support 30.

In this example, the hole plug 4 is provided with a limiting strip 31, one end of the limiting strip 31 is elastically connected with the side wall of the hole plug 4, and the limiting strip 31 and the side wall of the hole plug 4 form a limiting channel 32 for the flexible connecting piece 1 to be inserted; a plurality of first unidirectional teeth 311 are arranged on the limiting strip 31, and each first unidirectional tooth 311 comprises a first sliding surface 3111 and a first abutting surface 3112; the flexible connecting member 1 is provided with a plurality of second unidirectional teeth 33, each second unidirectional tooth 33 includes a second sliding surface 331 and a second abutting surface, the second sliding surface 331 can slide along the first sliding surface 3111, and the second sliding surface 331 slides along the first sliding surface 3111 to the end of the first sliding surface 3111 to generate a jump so that the second abutting surface abuts against the first abutting surface 3112.

That is, the limiting structure 3 is that the plurality of first unidirectional teeth 311 are disposed on the limiting strip 31 and the plurality of second unidirectional teeth 33 are disposed on the flexible connecting member 1, and when the flexible connecting member 1 is pulled, the second sliding surface 331 of the second unidirectional teeth 33 of the flexible connecting member 1 is driven to slide along the first sliding surface 3111 of the first unidirectional teeth 311, and the second sliding surface 331 slides along the first sliding surface 3111 to the end of the first sliding surface 3111 to generate a sudden jump, and then the flexible connecting member 1 can be pulled continuously, so that the second sliding surface 331 of the next second unidirectional tooth 33 slides along the first sliding surface 3111 of the next first unidirectional tooth 311, and the fixing member 2 is moved to one side of the toilet body 20 and tightly abuts against one side of the toilet body 20, so as to facilitate the installation of the support 30.

In order to facilitate the manufacture of the flexible connecting member 1 and the hole plug 3 and reduce the production cost, the first abutting surface 3112 and the second abutting surface are preferably horizontal surfaces, and may be inclined surfaces capable of achieving the same effect, which is not limited herein.

In this example, in order to achieve disassembly, the other end of the limiting strip 31 protrudes out of the hole plug 4 to form a pressing portion 312, and the pressing portion 312 is pressed to change the width of the limiting channel 32, that is, after the pressing portion 312 is pressed, the width of the limiting channel 32 can be driven to be increased, so that the second abutting surface is separated from the first abutting surface 3112, that is, disassembly is completed.

In addition, in this example, the flexible connecting pieces 1 are arranged in two or more numbers, and the arrangement is such that one of the flexible connecting pieces 1 is separated from one of the limiting channels 32, so that the fixing piece 2 can be in an inclined state, and then the fixing piece 2 can be taken out by pulling the other flexible connecting piece 1, so as to realize repeated use and reduce cost.

In this example, the fixing plate 2 can be connected to the flexible connecting member 1 in many ways, and as shown in fig. 3, the fixing plate 2 can be provided with a through hole 21; one end of the flexible connecting piece 1 can be provided with a limiting block 11, and the other end of the flexible connecting piece 1 penetrates through a through hole 21 on the fixing piece 2, so that the limiting block 11 is abutted against the fixing piece 2. That is, the fixing piece 2 is separated from the flexible connection member 1 so as to be separately manufactured, and then detachably connected using the stopper 11. In addition, as shown in fig. 5, one end of the flexible connecting member 1 may be provided with a hinge rod, a hinge hole may be provided at a side portion of the fixing plate 2, and the hinge rod is disposed in the hinge hole so that the flexible connecting member 1 is connected with the fixing plate 2.

Of course, the fixing plate 2 and the flexible connecting member 1 in this example may be integrally connected, and as shown in fig. 6, the flexible connecting member 1 and the bottom plate of the fixing plate 2 are integrally formed, so that the fixing plate can be manufactured by only one mold.

Example four

As shown in fig. 7, a fourth embodiment of the present invention discloses a locking assembly 10, which is different from the third embodiment in that: spacing structure 3 is spacing ball, spacing ball sets up the one end of keeping away from stationary blade 2 at flexonics spare 1, wherein, can be provided with spacing hole on the stopple 4, when stationary blade 2 is fixed in closestool body 20 one side, the mounting hole 201 of closestool body 20 is passed in the slope of stationary blade 2, then go back just, because flexonics spare 1 one end is connected with stationary blade 2, flexonics spare 1 links with stationary blade 2, the one end that flexonics spare 2 was kept away from to flexonics spare 1 sets up spacing ball, spacing ball card on the flexonics spare 1 is gone into spacing downthehole on the stopple 4, in order to prevent that stationary blade 2 from removing, realize spacing stationary blade 2.

EXAMPLE five

As shown in fig. 8, a fifth embodiment of the present invention discloses a locking assembly 10, which is different from the third embodiment in that: limiting structure 3 is flexible connection spare 1 of collapsible metal material, 1 one end of flexible connection spare is connected with stationary blade 2, the hole stopper 4 is passed to the 1 other end of flexible connection spare, when the stationary blade 2 is fixed in closestool body 20 one side, the mounting hole 201 of closestool body 20 is passed in the slope of stationary blade 2, then just, just back, folding flexible connection spare, if bend 90 degrees, can make the flexible connection spare 1 of folding back tip support and lean on closestool body 20, in order to prevent that stationary blade 2 from removing, realize spacing stationary blade 2, wherein, hole stopper 4 can be provided with the spacing groove, the spacing inslot of hole stopper 4 is arranged in to the flexible connection spare 1 of folding back tip, prevent to rock, and stability is improved.

EXAMPLE six

In the locking assembly 10 disclosed in the sixth embodiment of the present invention, the limiting structure 3 may be an elastic piece, one end of the elastic piece is elastically connected to the sidewall of the hole plug 4, the other end of the elastic piece and the sidewall of the hole plug 4 form a socket into which the flexible connecting member 1 is inserted, and the width of the socket is smaller than the width of the flexible connecting member 1. That is, by providing a socket having a width smaller than the width of the flexible connector 1, after the flexible connector 1 is inserted into the socket, the elastic piece provides an elastic force to urge the flexible connector 1 against the sidewall of the plug 4.

It should be noted that, in this example, when the flexible connecting member 1 moves to be inserted into the socket, one end of the elastic piece is elastically connected to the sidewall of the hole plug 4 to drive the socket to become larger, so as to be inserted into the socket, and then, when the flexible connecting member 1 stops moving, the elastic piece provides elastic force to drive the flexible connecting member 1 to abut against the sidewall of the hole plug 4 to realize the limiting function.

In some examples, the locking assembly 10 may further include a fastener 5, the fastener 5 may pass through the hole plug 4 to be connected with the fixing plate 2, and the fastener 5 may pass through the support 30 to facilitate fixing the support 30. The fastening element 5 is preferably a fastening screw, and correspondingly, a threaded hole 22 may be provided on the fixing plate 2, and the fastening screw is in threaded connection with the threaded hole 22.

EXAMPLE seven

Referring to fig. 9 to 14, a toilet according to a seventh embodiment of the present invention comprises a toilet body 20, the locking assembly 10, a support 30 and a cover 40; the toilet body 20 is provided with a mounting hole 201; the fixing sheet 2 obliquely penetrates through the mounting hole 201, the hole plug 4 is arranged on the mounting hole 201, the flexible connecting piece 1 is linked with the fixing sheet 2 and drives the fixing sheet 2 to be close to the hole plug 4, so that the fixing sheet 2 abuts against one side of the closestool body 20, and the limiting structure 3 prevents the fixing sheet 2 from being separated from the closestool body 20; the fastener 5 sequentially penetrates through the support 30 and the hole plug 4 and then is connected with the fixing sheet 2, and the support 30 is fixed on the other side of the closestool body 20; the cover plate 40 is coupled to the support 30.

The support 30 is mounted on the toilet body by means of the locking assembly 10, and the cover 40 is mounted on the support 30. Wherein, through application of force in flexonics spare 1, can order about stationary blade 2 and be close to hole stopper 4 to make stationary blade 2 support and lean on in closestool body 20 one side, simultaneously, limit structure 3 prevents that stationary blade 2 from keeping away from hole stopper 4, and it can be fixed stationary blade 2 fast, so that the installation.

The operation steps of the locking assembly 10 of the present invention for fixing the support 30 are as follows:

firstly, one end of the flexible connecting piece 1 penetrates through the fixing piece 2 and the hole plug 4, and the fixing piece 2 is abutted against the limiting block 11 of the flexible connecting piece 1. Secondly, as shown in fig. 10, the fixing piece 2 is obliquely inserted through the mounting hole 201 of the toilet body 20. Thirdly, as shown in fig. 11, the hole plug 4 is placed on the installation hole 201 of the toilet body 20, and the flexible connecting piece 1 is pulled to drive the fixing piece 2 to tightly abut against the toilet body 20, so that the flexible connecting piece 1 protruding out of the toilet body 20 can be removed. Fourthly, as shown in fig. 12 and 13, the holder 30 is placed on the toilet body 20 and fastened by fastening screws. Thereby achieving the rapid fixing of the holder 30 to the toilet body 20, and then, as shown in fig. 9, the cover 40 is mounted to the toilet body 20 through the holder 30.

It should be noted that the flexible connecting member 1 is a flexible object, that is, can be bent so as to make the fixing piece 2 in an inclined state and pass through the mounting hole 201 of the toilet body 20, and after passing through, the fixing piece 2 can be in a horizontal state so as to make two end portions of the fixing piece 2 abut against the toilet body 20. And the limiting structure 3 can keep the flexible connecting piece 1 in a tight state and can not slide downwards.

As shown in fig. 14, when the support 30 needs to be detached, one of the pressing portions 312 is pressed to drive the width of one of the limiting channels 32 to be increased, so that one of the flexible connectors 1 is separated from one of the limiting channels 32, so that the fixing sheet 2 can be in an inclined state, and then the fixing sheet 2 can be taken out by pulling the other flexible connector 1, so as to realize reuse and reduce cost.

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

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

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

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

Claims

1. A locking subassembly which is characterized in that: comprises a flexible connecting piece and a fixing piece;

2. The locking assembly of claim 1, wherein: the device also comprises a hole plug; the other end of the flexible connecting piece penetrates through the hole plug and can drive the fixing piece to be close to the hole plug, and a limiting structure for preventing the fixing piece from being far away from the hole plug is arranged on the hole plug or the flexible connecting piece and the hole plug.

3. The locking assembly of claim 2, wherein: a limiting strip is arranged on the hole plug, one end of the limiting strip is elastically connected with the side wall of the hole plug, and a limiting channel for inserting the flexible connecting piece is formed by the limiting strip and the side wall of the hole plug; the limiting strip is provided with a plurality of first unidirectional teeth, and each first unidirectional tooth comprises a first sliding surface and a first abutting surface; the flexible connecting piece is provided with a plurality of second unidirectional teeth, each second unidirectional tooth comprises a second sliding surface and a second abutting surface, the second sliding surfaces can slide along the first sliding surfaces, and the second sliding surfaces slide to the end parts of the first sliding surfaces along the first sliding surfaces to generate sudden jump so that the second abutting surfaces abut against the first abutting surfaces; the limiting structure is the matching of the first one-way tooth and the second one-way tooth.

4. The locking assembly of claim 3, wherein: the other end of the limiting strip protrudes out of the hole plug to form a pressing part, and the pressing part is pressed to change the width of the limiting channel.

5. The locking assembly of claim 4, wherein: the fixing sheet is provided with a through hole; one end of the flexible connecting piece is provided with a limiting block, and the other end of the flexible connecting piece penetrates through the through hole in the fixing piece, so that the limiting block is abutted against the fixing piece.

6. The locking assembly of claim 5, wherein: the flexible connecting pieces are arranged in two or more than two.

7. The locking assembly of claim 1, wherein: the limiting structure is a limiting ball which is arranged at one end of the flexible connecting piece far away from the fixing piece; or the limiting structure is a flexible connecting piece made of foldable metal materials.

8. The locking assembly of claim 2, wherein: the limit structure is an elastic sheet, one end of the elastic sheet is elastically connected with the side wall of the hole plug, the other end of the elastic sheet and the side wall of the hole plug form a socket for inserting the flexible connecting piece, and the width of the socket is smaller than that of the flexible connecting piece.

9. The locking assembly of any one of claims 1-8, wherein: the fixing piece is connected with the fixing piece through the hole plug.

10. A toilet bowl comprising the locking assembly of any one of claims 1 to 9, further comprising: the support is arranged on the closestool main body by virtue of the locking assembly; the cover plate is arranged on the support.