CN217744163U - Height adjusting structure of shower chair - Google Patents

Abstract

The utility model provides a height adjusting structure of a shower chair, which comprises a shower chair, a fixed frame, a sliding assembly and a positioning assembly, wherein the sliding assembly is connected with the shower chair and is arranged on the fixed frame in a vertical sliding manner, the fixed frame is provided with a plurality of positioning parts, the positioning assembly comprises a positioning part movably arranged on the sliding assembly and an elastic part arranged between the sliding assembly and the positioning part, the positioning part is provided with a first position in spacing fit with the positioning part and a second position out of spacing fit with the positioning part, the sliding assembly or the shower chair is provided with a spacing part for spacing the positioning part, and when the elastic part applies elastic force moving towards the direction of the first position to the positioning part, the spacing part is used for spacing the positioning part at the second position; when the elastic piece exerts the elastic force moving towards the direction of the second position on the positioning piece, the limiting part is used for limiting the positioning piece at the first position. The utility model discloses when height-adjusting, need not the drive that the people hand remained the setting element throughout, can improve the convenience of operation.

Description

Height adjusting structure of shower chair

Technical Field

The utility model relates to a bathroom field, in particular to height adjustment structure of shower chair.

Background

The shower chair is used for bathing in a bathroom and is suitable for the old, pregnant women, the disabled and other people with inconvenient actions. The user can take a bath safely by using the shower chair without being tight and worrying about whether the user falls down or not. Some of the existing shower chairs are fixed in different fixing holes through bolts to realize height adjustment, and some shower chairs realize height adjustment by positioning pieces on different teeth on tooth sockets, so that the latter is more convenient to adjust. However, in the adjusting structure of the latter, when the height is adjusted, the positioning piece needs to be kept pressed by hands, so that the positioning piece can be adjusted only by keeping the position of the tooth on the disengaging tooth socket, and the positioning piece cannot be loosened to adjust during adjustment, so that the adjustment structure is still inconvenient to use.

SUMMERY OF THE UTILITY MODEL

Need remain the drive setting element throughout when carrying out altitude mixture control to current shower chair, awkward problem, the utility model provides a height regulating structure of shower chair.

For realizing the purpose of the utility model, the utility model adopts the technical proposal that:

a height adjusting structure of a shower chair comprises a shower chair, a fixing frame, a sliding assembly and a positioning assembly, wherein the sliding assembly is fixedly connected with the shower chair, the sliding assembly is arranged on the fixing frame in a vertical sliding mode, a plurality of positioning parts arranged at intervals are arranged on the fixing frame along the sliding direction, the positioning assembly is movably arranged on the sliding assembly and comprises a positioning part movably arranged on the sliding assembly and an elastic part arranged between the sliding assembly and the positioning part and used for applying elastic force to the positioning part, the positioning part is provided with a first position in limit fit with the positioning part and a second position out of limit fit with the positioning part, a limiting part used for limiting the positioning part is arranged on the sliding assembly or the shower chair, and when the elastic part applies the elastic force moving towards the direction of the first position to the positioning part, the limiting part is used for limiting the positioning part at the second position; when the elastic member exerts the elastic force on the positioning member moving towards the direction of the second position, the limiting part is used for limiting the positioning member at the first position.

Preferably, the positioning device further comprises a driving element for overcoming the elastic force of the elastic element to drive the positioning element, the driving element is in spacing fit or separated fit with the spacing part, the spacing part realizes spacing of the positioning element through spacing of the driving element, the driving element moves to a position where the positioning element is kept at the first position or the second position when the driving element is in spacing fit with the spacing part, and the positioning element resets to the second position or the first position under the action of the elastic element when the spacing part is separated from the driving element in spacing fit.

Preferably, the sliding assembly comprises a sliding sleeve and a sliding block fixedly sleeved in the sliding sleeve, the sliding sleeve is fixedly connected with the shower chair and sleeved outside the fixed frame, the sliding block is in sliding fit with the fixed frame, and the positioning element and the elastic element are arranged on the sliding block.

Preferably, both ends opening about the sliding sleeve, the sliding sleeve includes the curb plate and locates the portion of bending on curb plate both sides, curb plate front side and above-mentioned shower chair fixed connection, bend the portion with form the U-shaped chamber of holding between the curb plate rear side, the slider be equipped with two and set up respectively in the U-shaped of sliding sleeve both sides holds in the chamber, the both sides of mount are located respectively in the U-shaped chamber of holding, form between the portion of bending of two and dodge the mouth in order to supply the mount to pass in the front and back direction the sliding sleeve.

Preferably, be equipped with the spout that the opening set up inwards in the slider, the mount includes the support body and locates the support body both sides and with spout matched with deflector, location portion locates the rear side of deflector, the deflector embedding behind the spout, the setting element is located the rear of deflector.

Preferably, at least one of the two sliding blocks is provided with the positioning component, and at least one of the two sides of the fixing frame is provided with a positioning part matched with the positioning component.

Preferably, the U-shaped hold on the chamber with the U-shaped hold the chamber the relative one side of opening be equipped with the screw hole, correspond, on the spout with the relative one side of opening of spout is equipped with the hole of stepping down, and a screw is worn to locate the screw hole with the hole of stepping down, the inner of screw with the side looks butt cooperation of mount.

Preferably, the locating element is a support pillar, the locating component further comprises a rotating shaft which is rotatably arranged on the sliding component, one end of the support pillar is fixedly connected with the rotating shaft, the other end of the support pillar is matched with the locating part, and one end of the elastic component is connected with the rotating shaft so as to apply elastic force to the locating element through the rotating shaft.

Preferably, the positioning part is a plurality of positioning round holes matched with the top column, and the positioning round holes are through holes of the fixing frame or slot holes which do not penetrate through the fixing frame.

Preferably, the elastic part forms the driving part, one end of the elastic part is connected with the sliding assembly, the other end of the elastic part is connected with the positioning assembly, and the elastic part is provided with a driving part for driving a human hand.

Preferably, the elastic component includes first elastic arm, linking arm and second elastic arm, first elastic arm one end is connected sliding assembly, the first elastic arm other end is connected linking arm one end, the linking arm other end is connected second elastic arm one end, the second elastic arm other end with locating component is connected, the linking arm conduct the drive division.

Preferably, the bottom of the sliding assembly is provided with an opening, the driving part is exposed from the opening at the bottom of the sliding assembly, the limiting part is a limiting step arranged in the opening at the bottom of the sliding assembly, and the driving part can be in limiting fit with the limiting step.

Preferably, the elastic element applies an elastic force to the positioning element, the elastic force moves towards the direction of the first position, the driving element drives the positioning element to move from the first position to the second position, and when the positioning element is located at the first position, the positioning element can be upwards matched with each positioning part in sequence through deformation of the elastic element in the process of upwards lifting the shower chair, so that the shower chair can move upwards in one direction relative to the fixing frame.

Preferably, the positioning piece is arranged on the sliding assembly in a rotating or sliding manner; the bottom of mount is equipped with the anticreep step, slip subassembly slide to the minimum with anticreep step looks butt is spacing in order to prevent that slip subassembly follows the bottom of mount is deviate from.

The beneficial effects of the utility model are as follows:

the utility model discloses a set up the spacing portion that is used for carrying on spacing to the setting element on the slip subassembly or shower chair, to one kind condition, when the elastic component is used for exerting the elastic force of the direction motion towards the first position to the setting element, spacing portion is used for spacing the setting element at the second position, like this, can keep the setting element at the second position through spacing portion when adjusting the height, thereby realize when adjusting the height, need not the people hand to keep exerting the effort to the setting element, improve the convenience of operation; for another situation, when the elastic element is used for applying elastic force to the positioning element, the elastic force moves towards the direction of the second position, the limiting part is used for limiting the positioning element at the first position, therefore, when the height is adjusted, as long as the limiting part and the positioning element are relieved from limiting, the positioning element can be kept at the second position under the action of the elastic element, and therefore when the height is adjusted, the action force is applied to the positioning element without hands, and the convenience in operation is improved.

Drawings

FIG. 1: the utility model has the overall structure schematic diagram;

FIG. 2: the utility model is a schematic diagram of an exploded structure;

FIG. 3: the utility model discloses an exploded structure schematic diagram of a sliding block;

FIG. 4: the utility model discloses a structural schematic diagram of the cooperation of a shower chair, a sliding block and a fixed frame;

FIG. 5 is a schematic view of: the utility model discloses a schematic diagram of the limit matching between the limit part and the driving piece;

FIG. 6: the utility model has the schematic diagram that the limit part is separated from the driving part for limiting;

FIG. 7: the utility model discloses a schematic diagram of the limit fit between the positioning piece and the positioning part (i.e. when the positioning piece is at the first position);

FIG. 8: the utility model discloses a schematic diagram of the separation limit of the positioning piece and the positioning part (namely when the positioning piece is positioned at the second position);

in the figure: 10. a shower chair; 11. a seat body; 12. a connecting frame; 20. a fixed mount; 21. a frame body; 22. a guide plate; 221. a positioning part; 30. a sliding assembly; 31. a sliding sleeve; 311. a side plate; 312. a bending part; 313. a U-shaped receiving cavity; 314. avoiding the mouth; 315. screw holes; 32. a slider; 321. a chute; 322. a hole of abdication; 323. connecting columns; 33. a screw; 40. a positioning assembly; 41. a positioning member; 42. an elastic member; 421. a first resilient arm; 422. a connecting arm; 423. a second elastic arm; 43. a rotating shaft; 431. inserting holes; 50. a limiting part; 60. the anticreep step.

Detailed Description

When the height of the existing shower chair is adjusted, the driving operation of the positioning piece is required to be kept all the time, and the problem of inconvenient operation exists. Therefore, the present invention provides a new solution, and for a clearer representation, the following detailed description of the present invention is made with reference to the accompanying drawings.

Referring to fig. 1 to 8, a height adjustment structure of a shower chair includes a shower chair 10, a fixing frame 20, a sliding assembly 30, and a positioning assembly 40. The shower chair 10 comprises a seat body 11 and a connecting frame 12, wherein the rear end of the seat body 11 is rotatably attached to the connecting frame 12 to enable the seat body 11 to be unfolded and folded, and the connecting frame 12 is fixedly connected with the sliding assembly 30. The sliding assembly 30 is slidably disposed on the fixing frame 20 up and down, a plurality of positioning portions 221 arranged at intervals are disposed on the fixing frame 20 along the sliding direction, and the positioning assembly 40 is movably disposed on the sliding assembly 30. The positioning assembly 40 includes a positioning member 41 movably disposed on the sliding assembly 30, and an elastic member 42 disposed between the sliding assembly 30 and the positioning member 41 and applying an elastic force to the positioning member 41. The positioning member 41 has a first position in limit engagement with the positioning portion 221 and a second position out of engagement with the positioning portion 221.

A limiting part 50 for limiting the positioning element 41 is arranged on the sliding assembly 30 or on the shower chair 10, and when the elastic element 42 is adopted to apply an elastic force to the positioning element 41 to move in the direction of the first position, the limiting part 50 is used for limiting the positioning element 41 at the second position, so that the positioning element 41 can be kept at the second position through the limiting part 50 when the height is adjusted, and thus, when the height is adjusted, the positioning element 41 does not need to be manually kept to apply an acting force to the positioning element 41, and the convenience of operation is improved; when the elastic member 42 applies the elastic force to the positioning member 41, which moves in the direction of the second position, the limiting portion 50 is used for limiting the positioning member 41 at the first position, so that when the height is adjusted, as long as the limiting portion 50 and the positioning member 41 are released from limiting, the positioning member 41 can be kept at the second position under the action of the elastic member 42, thereby realizing that the acting force is applied to the positioning member 41 without hands when the height is adjusted, and improving the convenience of operation.

Specifically, in the present embodiment, the limiting portion 50 is used for limiting the positioning element 41 at the second position, and the elastic element 42 applies an elastic force to the positioning element 41 to move toward the first position. The limiting part 50 is arranged on the sliding assembly 30 in the embodiment, but the limiting part 50 can be arranged on the shower chair 10 in other embodiments.

The height adjusting structure of this embodiment further includes a driving element for driving the positioning element 41 by overcoming the elastic force of the elastic element 42, the driving element is in limited fit or separated fit with the limiting portion 50, the limiting portion 50 limits the positioning element 41 by limiting the driving element, the driving element moves to the second position when in limited fit with the limiting portion 50, and the positioning element 41 is reset to the first position under the action of the elastic element 42 when the limiting portion 50 is separated from the driving element. It is understood that in other embodiments, when the limiting portion 50 is used to limit the positioning element 41 at the first position, the driving element moves to the limiting engagement with the limiting portion 50 to keep the positioning element 41 at the first position, and when the limiting portion 50 is disengaged from the driving element, the positioning element 41 is reset to the second position by the elastic element 42.

The sliding assembly 30 comprises a sliding sleeve 31 and a sliding block 32 fixedly sleeved in the sliding sleeve 31, the sliding sleeve 31 is fixedly connected with the shower chair 10 and sleeved outside the fixed frame 20, the sliding block 32 is in sliding fit with the fixed frame 20, and the positioning part 41 and the elastic part 42 are arranged on the sliding block 32. The sliding block assembly 30 is designed to comprise the sliding sleeve 31 and the sliding block 32 which are fixedly connected, and the positioning part 41 and the elastic part 42 of the positioning assembly 40 are arranged on the sliding block 32, so that the positioning assembly 40 and the sliding block assembly 30 are assembled into an integral structure, the structure is simple and compact, and the assembly is easy.

Further, the upper end and the lower end of the sliding sleeve 31 are open, the sliding sleeve 31 includes a side plate 311 and bent portions 312 disposed at two sides of the side plate 311, the front side of the side plate 311 is fixedly connected to the shower chair 10, and a U-shaped receiving cavity 313 is formed between the bent portion 312 and the rear side of the side plate 311. The two sliding blocks 32 are respectively arranged in the U-shaped receiving cavities 131 at the two sides of the sliding sleeve 31, and the two sides of the fixing frame 20 are respectively located in the U-shaped receiving cavities 313. An avoiding opening 314 is formed between the two bending portions 312 for the fixing frame 20 to pass through the sliding sleeve 31 in the front-back direction. The sliding sleeve 31 with the U-shaped accommodating cavity 313 can be obtained by bending and molding, the sliding sleeve 31 is easy to mold, and the molding cost is low. The sliding block 32 is arranged in the U-shaped receiving cavity 131 at the two sides of the sliding sleeve 31, correspondingly, the two sides of the fixing frame 20 are respectively positioned in the U-shaped receiving cavity 313, and the fixing frame 20 passes through the sliding sleeve 31 through the avoiding opening 314 in the front and back directions, so that the structural design is ingenious, simple and compact.

Be equipped with the opening spout 321 that sets up inwards in the slider 32, mount 20 includes support body 21 and locates support body 21 both sides and with spout 321 matched with deflector 22, location portion 221 is located the rear side of deflector 22, the deflector 22 embedding behind spout 321, setting element 41 is located the rear of deflector 22. The positioning part 221 is arranged at the rear side of the guide plate 22 and the positioning part 41 is arranged at the rear side of the guide plate 22, so that the positioning part 221 and the positioning part 41 can be better concealed, and the appearance of the whole device is more concise and beautiful.

At least one of the two sliding blocks 32 is provided with the positioning assembly 40, and at least one of the two sides of the fixing frame 20 is provided with a positioning part 221 matched with the positioning assembly 40. Specifically, referring to the orientation of fig. 1, in the present embodiment, only the right slider 32 in the figure is provided with the positioning assembly 40, and correspondingly, the right guide plate 22 on the fixing frame 20 is provided with the positioning portion 221.

The U-shaped holds on the chamber 313 with the relative one side of opening of U-shaped holding chamber 313 is equipped with screw hole 315, and is corresponding, on the spout 321 with the relative one side of opening of spout 321 is equipped with the hole of stepping down 322, and a screw 33 wears to locate screw hole 315 with the hole of stepping down 322, the inner of screw 33 with the side looks butt cooperation of mount 20. Here, by providing the screw 33, the outer end of the screw 33 is screwed to the screw hole 315 on the sliding sleeve 31, and the inner end of the screw 33 abuts against the side of the fixing frame 20 (specifically, the side of the guide plate 22), so that the fitting gap between the side of the fixing frame 20 and the inner wall of the sliding groove 321 can be eliminated, the problem of left-right shaking when a human body is seated on the shower chair 10 can be avoided, and the whole device is more stable. Of course, it is also possible to eliminate the fit clearance between the fixed frame and the slider 32 without providing the screw 33, and the fit clearance between the fixed frame and the slider is designed within a certain range, but the dimensional accuracy of the components is required to be high, and once the fit clearance between the side of the fixed frame 20 and the inner wall of the sliding groove 321 is large due to a large dimensional error, a human body may shake left and right when sitting on the shower chair 10, which may lead to an insecure feeling and poor use experience.

In this embodiment, the positioning element 41 is a top pillar, and the positioning assembly 40 further includes a rotating shaft 43 rotatably disposed on the sliding assembly 30. One end of the top pillar is fixedly connected to the rotating shaft 43 (that is, the positioning member 41 is rotatably disposed on the sliding assembly 30 through the rotating shaft 43), the other end of the top pillar is engaged with the positioning portion 221, and one end of the elastic member 42 is connected to the rotating shaft 43 to apply an elastic force to the positioning member 41 through the rotating shaft 43.

The positioning portion 221 is a plurality of positioning round holes matched with the top pillars, in this embodiment, the positioning round holes are through holes penetrating through the fixing frame 20, and the positioning round holes penetrating through the positioning portion 221 are designed to facilitate machining and forming, so that the machining cost is low. Of course, the positioning circular hole may be a slot hole that does not penetrate the fixing frame 20, but the slot hole is not easy to form.

In this embodiment, the elastic member 42 forms the driving member, one end of the elastic member 42 is connected to the sliding assembly 30, the other end is connected to the positioning assembly 40, and the elastic member 42 is provided with a driving portion for driving a human hand. Specifically, the elastic member 42 includes a first elastic arm 421, a connecting arm 422 and a second elastic arm 423, one end of the first elastic arm 421 is connected to the connecting post 323 arranged on the slider 32 of the sliding assembly 30, the other end of the first elastic arm 421 is connected to one end of the connecting arm 422, the other end of the connecting arm 422 is connected to one end of the second elastic arm 423, the other end of the second elastic arm 423 is connected to the rotating shaft 43 of the positioning assembly 40, an inserting hole 431 for inserting the other end of the second elastic arm 423 is arranged on the rotating shaft 43, and the other end of the second elastic arm 423 is connected to the rotating shaft 43 in an inserting manner. The connecting arm 422 serves as the driving portion.

The bottom of sliding component 30 is equipped with the opening, the drive division of driving piece is followed the opening of the bottom of sliding component 30 exposes, spacing portion 50 for set up in the spacing step in the bottom opening of sliding component 30, the driving piece can with spacing cooperation of spacing step.

In this embodiment, the elastic member 42 applies an elastic force to the positioning member 41, the positioning member 41 is driven by the driving member to move from the first position to the second position, and when the positioning member 41 is located at the first position, and in the process of lifting the shower chair 10 upward, the positioning member 41 can be sequentially matched with the positioning portions 221 upward through the deformation of the elastic member 42, so that the shower chair 10 can move upward in one direction relative to the fixing frame 20. That is, the shower chair 10 can also be moved upward relative to the stationary frame 20 to adjust the height when the drive member is not driven; however, the shower chair 10 cannot be moved downwardly relative to the mounting bracket 20 to adjust the height without actuating the drive member.

In order to improve the safety of the product, in this embodiment, the bottom end of the fixing frame 20 is provided with an anti-falling step 60, and the sliding assembly 30 abuts against the anti-falling step 60 when sliding to the lowest point to limit the sliding assembly 30 so as to prevent the sliding assembly 30 from falling off from the bottom end of the fixing frame 20, so that the use is safer, and the sliding assembly 30 and the shower chair 10 cannot fall off together to hit a human body.

The assembly process of this embodiment is roughly: firstly, the positioning piece 41, the elastic piece 42 and the rotating shaft 43 of the positioning assembly 40 are assembled on the sliding block 32 of the sliding assembly 30; then, fixedly connecting the sliding sleeve 31 with the connecting frame 12 of the shower chair 10; then, the two sliding blocks 32 are respectively arranged in the U-shaped accommodating cavities at the two sides of the sliding sleeve 31, and the sliding blocks 32 and the sliding sleeve 31 are fixedly connected through screws; then, the connecting arm 422 of the elastic element 42 (i.e. the driving part of the driving element) is driven, so that the connecting arm 422 is in limit fit with the limit part 50, the positioning element 41 is further kept at the second position by the limit part 50, the sliding assembly 30 and the shower chair 10 are lifted up to the upper part of the fixed frame 20 together, the sliding slot 321 of the sliding block 32 is aligned to the guide plates 22 at the two sides of the fixed frame 20, the sliding assembly 30 and the shower chair 10 are moved downwards, the guide plates 22 are inserted into the sliding slot 321, the shower chair 10 is adjusted to the proper position, then the connecting arm 422 is driven again, so that the connecting arm 422 is in separate fit with the limit part 50, and the positioning element 41 is reset to the first position under the action of the elastic element 42 and is in limit fit with the positioning part 221 on the fixed frame 20; finally, the screw 33 is inserted into the screw hole 315 of the sliding sleeve 31 and the receding hole 322 of the sliding block 32 until the inner end of the screw 33 abuts against the side of the fixed frame 20, so as to avoid the problem of left-right shaking after the human body sits on the shower chair 10. Thereby completing the assembly process.

When the height of the shower chair 10 only needs to be adjusted upwards, as long as the shower chair 10 is directly lifted, the positioning part 41 can be sequentially in limit fit with the positioning part 221 on the fixed frame 20 under the deformation action of the elastic part 42, so that the upward height adjustment is realized;

when the height of the shower chair 10 needs to be adjusted downwards or optionally adjusted upwards and downwards, a human hand is needed to drive the connecting arm 422 of the elastic piece 42 (namely, the driving part of the driving piece), so that the connecting arm 422 and the limiting part 50 are in limited fit, the positioning piece 41 is further kept at the second position through the limiting part 50, the height of the shower chair 10 can be adjusted downwards or optionally adjusted upwards and downwards, and therefore the effect of applying force to the positioning piece 41 by the human hand is not needed when the height is adjusted, and the convenience of operation is improved. When the height of the shower chair 10 is adjusted to the desired height, the connecting arm 422 is driven again, so that the connecting arm 422 is separated from the position-limiting part 50, the positioning member 41 is reset to the first position by the elastic member 42 and is in position-limiting engagement with the positioning part 221 of the fixing frame 20 again, and thus the height adjustment of the shower chair 10 is completed.

In other embodiments, the positioning element 41 may also be slidably disposed on the sliding assembly 30.

Although the above embodiments have been described in detail, it should be understood by those skilled in the art that various changes, modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be encompassed by the appended claims.

Claims (14)

1. A height adjusting structure of a shower chair comprises a shower chair, a fixing frame, a sliding assembly and a positioning assembly, wherein the sliding assembly is fixedly connected with the shower chair, the sliding assembly is arranged on the fixing frame in a vertical sliding manner, a plurality of positioning parts arranged at intervals are arranged on the fixing frame along the sliding direction, the positioning assembly is movably arranged on the sliding assembly and comprises a positioning part movably arranged on the sliding assembly and an elastic part arranged between the sliding assembly and the positioning part and used for applying elastic force to the positioning part, the positioning part is provided with a first position in spacing fit with the positioning part and a second position out of spacing fit with the positioning part, and the height adjusting structure is characterized in that a limiting part used for limiting the positioning part is arranged on the sliding assembly or the shower chair, and when the elastic part applies the elastic force moving towards the first position to the positioning part, the limiting part is used for limiting the positioning part at the second position; when the elastic member exerts the elastic force on the positioning member moving towards the direction of the second position, the limiting part is used for limiting the positioning member at the first position.

2. The height adjusting structure of a shower chair according to claim 1, further comprising a driving member for driving the positioning member against an elastic force of the elastic member, wherein the driving member is in spacing fit with or separated from the spacing portion, the spacing portion achieves spacing of the positioning member by spacing the driving member, the driving member moves to the spacing portion to maintain the positioning member at the first position or the second position when in spacing fit with the spacing portion, and the positioning member is reset to the second position or the first position by the elastic member when the spacing portion is separated from the spacing fit with the driving member.

3. The height adjusting structure of a shower chair according to claim 1, wherein the sliding assembly comprises a sliding sleeve and a sliding block fixedly sleeved in the sliding sleeve, the sliding sleeve is fixedly connected with the shower chair and sleeved outside the fixing frame, the sliding block is in sliding fit with the fixing frame, and the positioning element and the elastic element are arranged on the sliding block.

4. The height adjusting structure of a shower chair according to claim 3, wherein the sliding sleeve has openings at both ends, the sliding sleeve includes a side plate and bent portions disposed at both sides of the side plate, the front side of the side plate is fixedly connected to the shower chair, a U-shaped receiving cavity is formed between the bent portions and the rear side of the side plate, the two sliders are disposed in the U-shaped receiving cavities at both sides of the sliding sleeve, both sides of the fixing frame are disposed in the U-shaped receiving cavity, and a avoiding opening is formed between the two bent portions for the fixing frame to pass through the sliding sleeve in the front-back direction.

5. The height adjusting structure of a shower chair according to claim 4, wherein a slide groove with an inward opening is formed in the slide block, the fixing frame comprises a frame body and guide plates arranged on two sides of the frame body and matched with the slide groove, the positioning portion is arranged on the rear side of the guide plates, and after the guide plates are embedded into the slide groove, the positioning member is positioned behind the guide plates.

6. The height adjusting structure of a shower chair as claimed in claim 4, wherein at least one of the two sliders is provided with the positioning member, and at least one of both sides of the fixing frame is provided with a positioning portion engaged with the positioning member.

7. The height adjusting structure of a shower chair as claimed in claim 5, wherein a screw hole is provided on a side of the U-shaped receiving cavity opposite to the opening of the U-shaped receiving cavity, correspondingly, a relief hole is provided on a side of the sliding groove opposite to the opening of the sliding groove, a screw is inserted into the screw hole and the relief hole, and an inner end of the screw is in abutting fit with a side of the fixing frame.

8. The height adjusting structure of a shower chair as claimed in claim 1, wherein the positioning member is a top post, the positioning assembly further comprises a rotating shaft rotatably disposed on the sliding assembly, one end of the top post is fixedly connected to the rotating shaft, the other end of the top post is engaged with the positioning portion, and one end of the elastic member is connected to the rotating shaft to apply an elastic force to the positioning member through the rotating shaft.

9. The height adjusting structure of a shower chair as claimed in claim 8, wherein the positioning portion is a plurality of positioning round holes engaged with the top post, and the positioning round holes are through holes penetrating the fixing frame or slot holes not penetrating the fixing frame.

10. The height adjusting structure of a shower chair according to claim 2, wherein the elastic member forms the driving member, one end of the elastic member is connected to the sliding assembly, the other end of the elastic member is connected to the positioning assembly, and the elastic member is provided with a driving part for a human hand to drive.

11. The height adjusting structure of a shower chair according to claim 10, wherein the elastic member includes a first elastic arm, a connecting arm and a second elastic arm, the first elastic arm having one end connected to the sliding assembly, the first elastic arm having the other end connected to one end of the connecting arm, the connecting arm having the other end connected to one end of the second elastic arm, the second elastic arm having the other end connected to the positioning assembly, the connecting arm serving as the driving portion.

12. The height adjusting structure of a shower chair as claimed in claim 2, wherein the bottom of the sliding assembly is provided with an opening, the driving member is exposed from the opening of the bottom of the sliding assembly, the position limiting portion is a position limiting step provided in the opening of the bottom of the sliding assembly, and the driving member is in position limiting engagement with the position limiting step.

13. The height adjusting structure of a shower chair as claimed in claim 2, wherein the elastic member exerts an elastic force on the positioning member moving in the direction of the first position, the driving member drives the positioning member to move from the first position to the second position, and when the positioning member is located at the first position, the positioning member is able to sequentially cooperate with the positioning portions upward by the deformation of the elastic member during the process of lifting the shower chair upward, so that the shower chair is able to move upward in one direction relative to the fixing frame.

14. The height adjustment structure of a shower chair according to claim 1, wherein the positioning member is rotatably or slidably provided on the sliding assembly; the bottom of mount is equipped with the anticreep step, slip subassembly slide to the minimum with anticreep step looks butt is spacing in order to prevent that slip subassembly follows the bottom of mount is deviate from.

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