CN216652142U

CN216652142U - Toilet bowl adjusting structure and nursing chair using same

Info

Publication number: CN216652142U
Application number: CN202123430218.5U
Authority: CN
Inventors: 张汉新
Original assignee: Jiangsu Haobang Technology Co ltd
Current assignee: Jiangsu Haobang Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-03
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a toilet bowl adjusting structure and a nursing chair using the same, wherein the toilet bowl adjusting structure comprises a chair cushion and a toilet bowl mechanism arranged below a chair cushion body; the chair cushion comprises a cushion body, a hollow opening formed in the cushion body and a filling cushion which is arranged below the cushion body and is suitable for being filled into the hollow opening after being overturned; the filling pad is connected with an overturning driving component which is suitable for driving the filling pad to overturn; the toilet mechanism comprises a toilet bowl suitable for being embedded into the hollow opening, a supporting frame suitable for supporting the toilet bowl and a movable frame used for bearing the supporting frame; a lifting adjusting component is also arranged between the supporting frame and the moving frame; and the movable frame is connected with the cushion body through the translation driving component.

Description

Toilet bowl adjusting structure and nursing chair using same

Technical Field

The utility model relates to the technical field of intelligent seats, in particular to a toilet bowl adjusting structure and a nursing chair using the same.

Background

The population base of the elderly is increased, and the elderly with decreased self-care ability or disability caused by chronic diseases and degenerative diseases are more and more; the nursing seat is a special seat for better nursing the disabled or the person with reduced self-care ability, and the nursing seat can be used for nursing the body part of the patient and is convenient for the work of a nursing staff.

For people who have difficulty in moving, the seat needs to be transferred to the toilet bowl when the toilet needs to be cleared, the process is inconvenient for the people who have difficulty in moving back and forth, and for the family or the nurse in charge of nursing, the workload is large, and the people are very inconvenient.

Therefore, aiming at the situation, the design can be convenient for a person sitting on the nursing chair to directly go to the toilet on the chair, and the problem can be avoided. In this regard, there is a need for a toilet-enabling structure in a nursing chair to meet the above-mentioned needs.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sitting commode adjusting structure, which aims to solve the technical problem of conveniently realizing sitting commode on a seat.

The utility model provides a nursing chair, which aims to solve the technical problem of improving the use convenience of the nursing chair.

The toilet bowl adjusting structure of the utility model is realized as follows:

a toilet bowl adjusting structure comprises: a chair cushion and a toilet mechanism arranged below the chair cushion body; wherein

The chair cushion comprises a cushion body, a hollow opening formed in the cushion body and a filling cushion arranged below the cushion body and suitable for being turned over and then filled into the hollow opening; the filling pad is connected with an overturning driving assembly suitable for driving the filling pad to overturn;

the toilet mechanism comprises a toilet bowl suitable for being embedded into the hollow opening, a supporting frame suitable for supporting the toilet bowl and a movable frame used for bearing the supporting frame; a lifting adjusting component is also arranged between the supporting frame and the moving frame; and the movable frame is connected with the pad body through the translation driving assembly.

In an alternative embodiment of the utility model, the translational drive assembly comprises a screw and a sleeve which are in threaded fit, and a first power structure which is in threaded fit with the screw and is suitable for driving the screw to rotate;

when the first power structure drives the screw to rotate, the sleeve is suitable for making linear motion along the axial direction of the screw; and

the first power structure is fixedly assembled on the cushion body; and the sleeve is connected with the movable frame in a matching mode.

In an alternative embodiment of the present invention, the turnover driving unit includes a movable plate supporting the filling pad, and a pair of turnover performing structures having the same structure and connected to the movable plate.

In an optional embodiment of the present invention, the turnover executing structure includes a supporting plate fixedly connected to the pad body, a male connecting member fixedly connected to the supporting plate, a female connecting member rotatably coupled to the male connecting member, a pushing plate fixedly connected to the female connecting member, and a linkage plate movably coupled to one end of the pushing plate away from the female connecting member; wherein

One end of the linkage plate, which is far away from the female connecting piece, is hinged with a support rod fixed on the end face of the movable plate, which is far away from the filling pad.

In an optional embodiment of the utility model, the same second power structure is connected with the pair of overturning executing structures;

the second power structure comprises a connecting rod penetrating through the female connecting piece, the push plate and the male connecting piece of the pair of turnover executing structures, and a driving force structure connected with the connecting rod and used for driving the connecting rod to rotate; and

the driving force structure comprises a worm wheel and a worm speed reducer, wherein the worm wheel is matched with the connecting rod in a sleeved mode, and the worm speed reducer is connected with the worm wheel.

In an optional embodiment of the utility model, a plurality of convex teeth are uniformly distributed on the side wall of the connecting rod along the circumferential direction of the connecting rod, so that the radial section of the connecting rod is in a tooth shape; and

the connecting rod is in running fit with the supporting plate.

In an alternative embodiment of the utility model, the side edge of the support plate, which is away from the backrest cushion body, is an arc-shaped end surface; and

two limiting claws are arranged on the arc-shaped end surface at intervals;

a limit column vertically connected with the push plate is integrally arranged on the push plate; and

the limiting column is suitable for moving along the arc-shaped end face to realize abutting fit with the two limiting claws.

In an optional embodiment of the present invention, the lifting adjustment assembly includes a transition rod connected to a pair of connecting rods correspondingly connected to the turnover executing structures, a pair of V-shaped engaging frames rotatably coupled to both ends of the transition rod, respectively, and a pair of X-shaped telescopic frames connected to the pair of V-shaped engaging frames; wherein

The X-shaped telescopic frame comprises a pair of connecting plates which are hinged; two end parts of the pair of connecting plates facing the pad body are in sliding fit with the supporting frame, and two end parts of the pair of connecting plates departing from the pad body are in sliding fit with the moving frame; and

sliding grooves matched with the connecting plates in a sliding mode are formed in the supporting frame and the moving frame respectively;

the V-shaped connecting frame is rotatably connected with one end, far away from the filling pad, of the connecting plate matching and moving frame in the pair of connecting plates.

In an alternative embodiment of the utility model, the hinge shaft between the pair of connecting plates is also in sliding fit with a vertical plate fixed on the moving frame; and

a movable groove which is movably matched with the hinge shaft is arranged on the vertical plate; the length of the movable groove is larger than the outer diameter of the hinge shaft.

The nursing chair of the utility model is realized by the following steps:

a care chair comprising: the toilet bowl is provided with an adjusting structure.

By adopting the technical scheme, the utility model has the following beneficial effects: according to the toilet seat adjusting structure and the nursing chair using the same, the toilet seat mechanism arranged below the chair cushion body is matched with the hollow-out opening formed in the cushion body, so that a person who is seated on the nursing chair and cannot move conveniently can go to the toilet directly on the nursing chair, and the toilet bowl can be conveniently transferred to leave the nursing chair after the person goes to the toilet, and the use is convenient.

Drawings

FIG. 1 is a first perspective view of the toilet adjustment mechanism of the present invention;

FIG. 2 is a second perspective view of the toilet adjustment mechanism of the present invention;

FIG. 3 is a schematic view of a partial structure of the toilet adjustment structure of the present invention;

FIG. 4 is a schematic view of a partial structure of the toilet seat adjusting structure of the present invention

FIG. 5 is a schematic view of a third partial structure of the toilet adjustment structure of the present invention;

FIG. 6 is a fourth schematic view showing a partial structure of the toilet adjustment structure of the present invention;

FIG. 7 is a schematic view showing a partial structure of the toilet adjustment structure of the present invention.

In the figure: the toilet bowl cushion comprises a cushion body 1, a hollowed-out opening 2, a filling cushion 3, a toilet bowl 4, a moving frame 5, a supporting frame 6, a screw rod 7, a sleeve 8, a movable plate 10, a supporting plate 11, a male connecting piece 12, a female connecting piece 13, a push plate 14, a linkage plate 15, a supporting rod 16, a connecting rod 17, a limiting claw 21, a limiting column 22, a transition rod 23, a V-shaped linking frame 24, an L-shaped corner frame 25, a linkage plate 26, a sliding groove 27, a linking rod 28, a hollowed-out groove 29, a vertical plate 30, a movable groove 31, a hinge shaft 32, a supporting plate 33, a supporting base 34, a linking column 35 and a screw rod 36.

Detailed Description

In order that the present invention may be more readily and clearly understood, a more particular description of the utility model briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

Example 1:

referring to fig. 1 to 7, the present embodiment provides a toilet adjustment structure, which includes: a chair cushion and a toilet mechanism arranged below the chair cushion body 1; the chair cushion comprises a cushion body 1, a hollow-out opening 2 formed in the cushion body 1, and a filling cushion 3 arranged below the cushion body 1 and filled into the hollow-out opening 2 after being overturned; the pad 3 is connected to an inversion drive assembly adapted to drive the inversion thereof.

The toilet mechanism comprises a toilet bowl 4 which is suitable for being embedded into the hollow-out opening 2, a supporting frame 6 which is suitable for supporting the toilet bowl 4, and a moving frame 5 which is used for bearing the supporting frame 6; a lifting adjusting component is also arranged between the supporting frame 6 and the moving frame 5; and the movable frame 5 is connected with the pad body 1 through a translation driving assembly.

It should be noted that, for the hollowed-out opening 2 on the cushion body 1, when a person sitting on the seat cushion needs to go to the toilet, the toilet bowl 4 is embedded into the hollowed-out opening 2, and the filling cushion 3 is turned over at 90 degrees relative to the cushion body 1; when a person sitting on the chair cushion does not need to go to a toilet, the toilet bowl 4 leaves the hollow-out opening 2, and the filling cushion 3 is filled into the hollow-out opening 2, so that the bottom support of the human body can be realized by the filling cushion 3.

In detail, with reference to the drawings, the translation driving assembly comprises a screw 7 and a sleeve 8 which are in threaded fit, and a first power structure which is in fit connection with the screw 7 and is suitable for driving the screw 7 to rotate; the first power configuration here may be a worm gear and worm reduction configuration 9 used in cooperation. When the first power structure drives the screw 7 to rotate, the sleeve 8 is suitable for making a linear motion along the axial direction of the screw 7; the first power structure is fixedly assembled on the cushion body 1; and the sleeve 8 is connected with the movable frame 5 in a matching way. It should be noted that the translation driving assembly designed in this embodiment is used to realize the horizontal movement of the moving frame 5, so that the moving frame 5 can drive the toilet bowl 4 to move towards the hollow opening 2 and switch to move towards the direction away from the hollow opening 2.

The turnover driving assembly includes a movable plate 10 supporting the packing pad 3, and a pair of turnover performing structures having the same structure connected to the movable plate 10. Furthermore, the overturning executing structure comprises a supporting plate 11 fixedly connected with the cushion body 1, a male connecting piece 12 fixedly connected with the supporting plate 11, a female connecting piece 13 rotatably connected with the male connecting piece 12, a push plate 14 fixedly connected with the female connecting piece 13, and a connecting plate 26 movably connected with one end of the push plate 14 far away from the female connecting piece 13; wherein the end of the connecting plate 26 remote from the female connecting member 13 is hingedly connected to the supporting rod 16 fixed to the end face of the movable plate 10 remote from the padding 3. It should be noted that the principle of the rotational coupling between the male coupling member 12 and the female coupling member 13 of the present embodiment is equivalent to a bearing. The flip driving assembly designed in this embodiment is used to switch the states of the filling pad 3 filling the hollow-out opening 2 and leaving the hollow-out opening 2.

In consideration of the simplification of the structure, the pair of overturning executing structures is connected with the same second power structure; the second power structure comprises a connecting rod 17 penetrating through the female connecting piece 13, the push plate 14 and the male connecting piece 12 of the pair of turnover executing structures, and a driving force structure connected with the connecting rod 17 to drive the connecting rod 17 to rotate; and the driving force structure comprises a worm wheel in sleeve joint fit with the connecting rod 17 and a worm speed reducer 18 connected with the worm wheel. The worm reducer 18 can be fixed to the push plate 14 of one of the pair of the turnover actuating structures by fitting with a connecting column.

More specifically, the side wall of the connecting rod 17 is uniformly distributed with a plurality of convex teeth along the circumferential direction thereof so as to enable the radial section of the connecting rod 17 to be in a tooth shape; and the link 17 is rotatably engaged with the support plate 11. This construction avoids the need for mating gears on the generally smooth connecting rod 17, so that the connecting rod 17 of this embodiment already utilizes the convex teeth on its outer surface to directly mate the gears. In addition, because the male connecting member 12 is fixedly connected with the supporting plate 11, the connecting rod 17 and the male connecting frame are also in a rotating fit relationship, and the connecting rod 17, the female connecting member 13 and the push plate 14 are both in a fixedly connected relationship, in such a structure, that is, the worm speed reducer is used for realizing the rotation of the connecting rod 17, and simultaneously, the connecting rod 17 is used for driving the push plate 14 to synchronously rotate relative to the supporting plate 11, so that the push plate 14 can push the movable plate 10 to drive the filling pad 3, and the filling of the hollow opening 2 or the separation of the hollow opening 2 can be realized through the overturning of the filling pad 3.

In addition, the side edge of the support plate 11 departing from the backrest cushion body 1 is an arc-shaped end surface; two limiting claws 21 are arranged on the arc-shaped end surface at intervals; a limit column 22 vertically connected with the push plate 14 is integrally arranged on the push plate 14; and the limiting columns 22 are suitable for moving along the arc-shaped end surfaces to realize the abutting fit with the two limiting claws 21. That is to say, when the two states of the abutting and matching between the limiting column 22 and the two limiting claws 21 correspond to the two states of the filling pad 3 filling the hollow-out opening 2 and leaving the hollow-out opening 2 respectively.

Furthermore, the lifting adjusting assembly comprises a transition rod 23 connected with the connecting rods 17 correspondingly connected with the pair of turning executing structures, a pair of V-shaped connecting frames 24 respectively connected with the two ends of the transition rod 23 in a rotating and matching way, and a pair of X-shaped expansion frames connected with the pair of V-shaped connecting frames 24 one by one; wherein the transition bar 23 is connected to the connecting rod 17 in this embodiment by means of an L-shaped corner bracket 25.

The X-shaped telescopic frame comprises a pair of connecting plates 26 which are hinged; two ends of the pair of connecting plates 26 facing the pad body 1 are in sliding fit with the supporting frame 6, and two ends of the pair of connecting plates 26 departing from the pad body 1 are in sliding fit with the moving frame 5; sliding grooves 27 matched with the connecting plates 26 in a sliding mode are formed in the supporting frame 6 and the moving frame 5 respectively, and the end portions, matched with the supporting frame 6 and the moving frame 5, of the connecting plates 26 can reciprocate in the horizontal direction along the sliding grooves 27; the V-shaped engagement frame 24 is pivotally connected to one end of the pair of connection plates 26 remote from the connection plate 26 of the filling pad 3 to the movable frame 5. So to say to the lift adjustment assembly of this embodiment, need not set up other power and realize its operation, but the power when the fly leaf 10 that directly utilizes overturns, the upset execution structure that also is not only is used for realizing the upset of fly leaf 10, still is used for realizing the operation of above-mentioned lift adjustment assembly, and this kind of structure not only is favorable to simplifying the structure of holistic toilet seat adjustment structure, still is favorable to practicing thrift holistic manufacturing cost and maintenance cost.

Here, a joint rod 28 is disposed between the V-shaped joint frames 24 corresponding to the pair of turning executing structures, and only the joint rod 28 needs to be slidably engaged with the supporting frame 6, and the V-shaped joint frames 24 are hinged to the joint rod 28. The lift adjustment subassembly of this embodiment design is used in the lift of realizing placing chamber pot 4 on support frame 6 for chamber pot 4 cooperation can rise in order to imbed in fretwork mouth 2 when like the lavatory, and can realize descending after like the lavatory and be convenient for to do horizontal motion and leave fretwork mouth 2 along with removing frame 5 together, vacate the space for filling pad 3 fills fretwork mouth 2.

In addition to the above structure, it should be noted that, in the present embodiment, the bottom end structure of the movable frame 5 is coupled to the X-shaped telescopic frame, and the bottom end structure may be a structure of the movable frame 5 itself or a structure that is fixed in the movable frame 5, and this embodiment is not limited in any way. In consideration of the limitation of the horizontal movement track of the moving frame 5, the embodiment further provides strip-shaped hollow grooves 29 on two side end surfaces of the moving frame 5 along the horizontal movement direction thereof, and two ends of the connecting rod 28 penetrate through the hollow grooves 29, so that the connecting rod 28 can make reciprocating movement in the horizontal direction in the hollow grooves 29. Therefore, the connecting rod 28 is matched with the hollow-out groove 29 and then is matched with the translation driving component to realize the horizontal movement track of the movable frame 5 together, and the movable frame 5 which does not need to use the toilet 4 in the state of using the toilet is stably arranged below the pad body 1 together with the toilet 4, so that the supporting function of the movable frame 5 is realized.

In addition, in an optional implementation case, in consideration of limiting a deformation track when the pair of connection plates 26 is deformed, so that the deformation of the pair of connection plates 26 can only realize that the support frame 6 does a lifting motion relative to the moving frame 5, and does not generate a horizontal motion, the embodiment is further designed as follows: the hinge shaft 32 between the pair of connecting plates 26 is also matched and connected with a vertical plate 30 fixed on the moving frame 5 in a sliding way; and a movable groove 31 movably matched with the hinge shaft 32 is arranged on the vertical plate 30; the groove length of the movable groove 31 is greater than the outer diameter of the hinge shaft 32.

In summary, for the toilet adjustment structure of the present embodiment, there are two use states:

in the first state: not used as a toilet. In this state, the filling pad 3 is filled in the hollow opening 2; the toilet bowl 4 is arranged at the side position below the hollow opening 2.

In the first state: can be used in toilet. In this state, the filling pad 3 leaves the hollow-out opening 2, and the filling pad 3 is folded at 90 degrees relative to the pad body 1.

In the process of switching the first state to the second state, the filling pad 3 is turned over below the pad body 1 relative to the pad body 1 under the action of the movable plate 10, and in the process of turning over, the toilet bowl 4 is moved to the position below the hollow opening 2 under the action of the movable frame 5, and the toilet bowl 4 is lifted under the action of the X-shaped telescopic frame to enable the toilet bowl 4 to be embedded into the hollow opening 2; after the toilet is finished, the toilet bowl 4 descends under the action of the X-shaped telescopic frame again to enable the toilet bowl 4 to move to the lower part of the hollow opening 2, so that the toilet bowl 4 can conveniently leave the hollow opening 2 along with the support frame 6 under the action of the movable frame 5. And in the process that the toilet bowl 4 leaves the hollow-out opening 2, the filling pad 3 synchronously moves upwards towards the hollow-out opening 2 so as to gradually fill the hollow-out opening 2 and recover to the first state.

Example 2:

on the basis of the toilet seat adjusting structure of embodiment 1, the present embodiment provides a nursing chair, including: the toilet bowl adjusting structure of embodiment 1.

In addition, the nursing chair of the embodiment also comprises a supporting base 34 arranged below the toilet mechanism, and an X-shaped expansion plate arranged between the supporting base 34 and the cushion body 1; and the X-shaped telescopic plate comprises a pair of support plates 33 which are hinged; one end of one supporting plate 33 of the pair of supporting plates 33 is hinged with the pad body 1, and the other end is matched and connected with the supporting base 34 in a sliding way; and the other support plate 33 of the pair of support plates 33 is hingedly connected at one end to the support base 34 and slidably coupled at the other end to the mat body 1. Here, the support base 34 and the pad body are provided with a strip-shaped notch 40 that engages with the support plate 33.

That is to say, the lifting of the cushion body 1 relative to the supporting base 34 can be realized through the deformation of the pair of supporting plates 33, so that the supporting height of the nursing chair of the embodiment relative to the ground can be adjusted according to the height requirements of different users.

For the above-mentioned power for deforming the support plates 33, the present embodiment employs an engagement post 35 connected to one of the support plates 33, a screw 36 threadedly coupled to the engagement post 35, and, for example, a driving wheel adapted to drive the screw 36 to rotate, the driving wheel being connected to a worm reducer for rotating the driver. When the screw rod 36 rotates, the engaging column 35 can reciprocate along the axial direction of the screw rod 36 to realize the lifting movement of the pair of support plates 33. The worm gear is attached to one of the support plates 33, and the support plate 33 is not provided with the engagement post 35, i.e., the engagement post 35 and the worm gear 37 are each fixed to one of the support plates 33.

The above embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

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 according to specific situations by those of ordinary skill in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the products of the present invention usually put when in use, are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the mechanism or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present invention, unless otherwise expressly stated or limited, the first feature may be present on or under the second feature in direct contact with the first and second feature, or may be present in the first and second feature not in direct contact but in contact with another feature between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Claims

1. A toilet bowl adjusting structure is characterized by comprising: a chair cushion and a toilet mechanism arranged below the chair cushion body; wherein

2. The commode adjustment mechanism of claim 1 wherein the translation drive assembly includes a threaded screw and a sleeve threadedly coupled, and a first power structure coupled to the threaded screw adapted to drive the threaded screw to rotate;

3. The toilet adjustment structure of claim 2, wherein the tilting driving assembly comprises a movable plate supporting the pad, and a pair of structurally identical tilting performing structures connected to the movable plate.

4. The toilet bowl adjusting structure according to claim 3, wherein the overturning executing structure comprises a supporting plate fixedly connected with the cushion body, a male connecting piece fixedly connected with the supporting plate, a female connecting piece rotatably connected with the male connecting piece, a push plate fixedly connected with the female connecting piece, and a linkage plate movably connected with one end of the push plate far away from the female connecting piece; wherein

5. The toilet adjustment structure of claim 4, wherein the same second power structure is connected to a pair of said tilting actuation structures;

6. The toilet bowl adjusting structure according to claim 5, wherein the side wall of the connecting rod is evenly distributed with a plurality of convex teeth along the circumferential direction thereof so as to make the radial section of the connecting rod be tooth-shaped; and

the connecting rod is in running fit with the supporting plate.

7. The toilet bowl adjusting structure according to claim 5, wherein the side edge of the supporting plate facing away from the backrest cushion body is an arc-shaped end surface; and

two limiting claws are arranged on the arc-shaped end surface at intervals;

8. The commode adjustment structure according to claim 5, wherein the elevation adjustment assembly comprises a transition bar connected to a pair of linkage bars correspondingly connected to a pair of turning performing structures, a pair of V-shaped engagement frames rotatably coupled to both ends of the transition bar, respectively, and a pair of X-shaped expansion frames connected to the pair of V-shaped engagement frames; wherein

9. The toilet bowl adjusting structure according to claim 8, wherein the hinge shaft between the pair of connecting plates is further slidably coupled with a vertical plate fixed on the movable frame; and

10. A nursing chair, comprising: the toilet adjustment structure of any one of claims 1 to 9.